ref: use vector initializer macros

Keep it opt-in through a flag at pool alloc time.
Opt-in console related allocations, they are usually small enough strings.

.gitignore

@@ -361,3 +361,16 @@ cmake-build-*
 3rdparty/SDL
 3rdparty/hlsdk-portable
 !scripts/build-ninja.py
+
+# slop
+CLAUDE.md
+AGENTS.md
+GEMINI.md
+.claude/
+.gemini/
+.cursor*
+.windsurf*
+.aider*
+.continue/
+.codeium/
+.github/copilot-instructions.md

Documentation/extensions/native-object.md

@@ -16,6 +16,7 @@ Only these objects are guaranteed to be available on all targets.
 |-------------|-----------|
 | `VFileSystem009` | Provides C++ interface to filesystem, binary-compatible with Valve's VFileSystem009. |
 | `XashFileSystemXXX` | Provides C interface to filesystem. This interface is unstable and not recommended for generic use, outside of engine internals. For more info about current version look into `filesystem.h`. |
+| `MenuFactory` | Returns a `CreateInterface` function pointer (`pfnCreateInterface_t`) for the currently loaded menu library. |
 
 #### Android-specific objects
 

android/.gitignore

@@ -11,4 +11,5 @@ local.properties
 release/
 *.hprof
 .vscode/
-*.bak
+*.bak
+.kotlin/

android/app/build.gradle.kts

@@ -20,6 +20,8 @@ extensions.configure<ApplicationExtension> {
 		minSdk = 21
 		targetSdk = 35
 
+		buildConfigField("String", "GIT_HASH", "\"${getGitHash()}\"")
+
 		externalNativeBuild {
 			val engineRoot = projectDir.parentFile.parent
 
@@ -58,6 +60,15 @@ extensions.configure<ApplicationExtension> {
 		buildConfig = true
 	}
 
+	signingConfigs {
+		create("androidDebugKey") {
+			storeFile = File(projectDir.parentFile, "debug.keystore")
+			storePassword = "android"
+			keyAlias = "androiddebugkey"
+			keyPassword = "android"
+		}
+	}
+
 	lint {
 		abortOnError = false
 	}
@@ -91,6 +102,7 @@ extensions.configure<ApplicationExtension> {
 			proguardFiles(
 				getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro"
 			)
+			buildConfigField("boolean", "ENABLE_AUTO_UPDATE", "false")
 		}
 
 		release {
@@ -99,6 +111,7 @@ extensions.configure<ApplicationExtension> {
 			proguardFiles(
 				getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro"
 			)
+			buildConfigField("boolean", "ENABLE_AUTO_UPDATE", "false")
 		}
 
 		register("asan") {
@@ -108,6 +121,8 @@ extensions.configure<ApplicationExtension> {
 		register("continuous") {
 			initWith(getByName("release"))
 			applicationIdSuffix = ".test"
+			buildConfigField("boolean", "ENABLE_AUTO_UPDATE", "true")
+			signingConfig = signingConfigs.getByName("androidDebugKey")
 		}
 	}
 }

android/app/src/debug/res/values/strings.xml

@@ -1,4 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
 	<string name="app_name" translatable="false">Xash3D FWGS (Test)</string>
+	<string name="authority" translatable="false">su.xash.engine.test.documents</string>
 </resources>

android/app/src/main/AndroidManifest.xml

@@ -48,6 +48,8 @@
 	<uses-permission android:name="android.permission.INTERNET" />
 	<!-- Dedicated server -->
 	<uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
+	<!-- Self-update: install downloaded APK -->
+	<uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />
 
 	<application
 		android:name=".MainApplication"
@@ -76,8 +78,16 @@
 			android:grantUriPermissions="true">
 			<meta-data
 				android:name="android.support.FILE_PROVIDER_PATHS"
-				android:resource="@xml/provider_paths" />
+				android:resource="@xml/paths" />
 		</provider>
+		<receiver
+			android:name=".model.InstallStatusReceiver"
+			android:exported="false">
+			<intent-filter>
+				<action android:name="su.xash.engine.INSTALL_RESULT" />
+			</intent-filter>
+		</receiver>
+
 		<activity
 			android:name=".XashActivity"
 			android:alwaysRetainTaskState="true"
@@ -95,5 +105,9 @@
 		<intent>
 			<action android:name="su.xash.engine.MOD" />
 		</intent>
+		<intent>
+			<action android:name="android.intent.action.SENDTO" />
+			<data android:scheme="mailto" />
+		</intent>
 	</queries>
 </manifest>

android/app/src/main/java/su/xash/engine/MainActivity.kt

@@ -1,15 +1,26 @@
 package su.xash.engine
 
+import android.content.ActivityNotFoundException
+import android.content.Context
+import android.content.Intent
 import android.os.Bundle
+import android.provider.Settings
 import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.app.AppCompatActivity
+import androidx.core.net.toUri
+import androidx.lifecycle.lifecycleScope
 import androidx.navigation.NavController
 import androidx.navigation.fragment.NavHostFragment
 import androidx.navigation.ui.AppBarConfiguration
 import androidx.navigation.ui.navigateUp
 import androidx.navigation.ui.setupActionBarWithNavController
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import kotlinx.coroutines.launch
 import su.xash.engine.databinding.ActivityMainBinding
+import su.xash.engine.model.AppUpdater
 import su.xash.engine.util.CrashReports
+import su.xash.engine.util.monospaceTextView
+import su.xash.engine.util.showDownloadProgressDialog
 import java.io.File
 import java.text.SimpleDateFormat
 import java.util.Date
@@ -36,6 +47,94 @@ class MainActivity : AppCompatActivity() {
 
 		CrashReports.prune(this)
 		showPendingCrashReport()
+
+		checkForEngineUpdate()
+	}
+
+	private fun checkForEngineUpdate() {
+		val prefs = getSharedPreferences(UPDATE_PREFS, Context.MODE_PRIVATE)
+		val now = System.currentTimeMillis()
+		if (now - prefs.getLong(KEY_LAST_CHECK, 0L) < CHECK_INTERVAL_MS)
+			return
+
+		val updater = AppUpdater(this)
+		lifecycleScope.launch {
+			val info = updater.checkForUpdate()
+			prefs.edit().putLong(KEY_LAST_CHECK, now).apply()
+			if (info == null)
+				return@launch
+			if (prefs.getInt(KEY_DISMISSED_BUILDNUM, -1) >= info.buildNum)
+				return@launch
+			val changelog = updater.fetchChangelog(BuildConfig.GIT_HASH, info.tagName)
+			showEngineUpdateDialog(updater, info.buildNum, changelog, prefs)
+		}
+	}
+
+	private fun showEngineUpdateDialog(
+		updater: AppUpdater,
+		remoteBuildNum: Int,
+		changelog: List<AppUpdater.CommitInfo>?,
+		prefs: android.content.SharedPreferences,
+	) {
+		val builder = MaterialAlertDialogBuilder(this)
+			.setTitle(R.string.engine_update_available)
+			.setMessage(getString(R.string.engine_update_message, remoteBuildNum))
+			.setPositiveButton(R.string.engine_update_download) { _, _ ->
+				showEngineDownloadDialog(updater)
+			}
+			.setNegativeButton(R.string.engine_update_later) { _, _ ->
+				prefs.edit().putInt(KEY_DISMISSED_BUILDNUM, remoteBuildNum).apply()
+			}
+
+		if (!changelog.isNullOrEmpty()) {
+			val text = buildString {
+				append(getString(R.string.engine_update_changelog_header))
+				val shown = changelog.take(CHANGELOG_MAX_LINES)
+				for (c in shown)
+					append("\n• ").append(c.subject)
+				val extra = changelog.size - shown.size
+				if (extra > 0)
+					append("\n").append(getString(R.string.engine_update_changelog_more, extra))
+			}
+			builder.setView(monospaceTextView(this, text))
+		}
+
+		builder.show()
+	}
+
+	private fun showEngineDownloadDialog(updater: AppUpdater) {
+		if (!updater.canInstall()) {
+			promptForInstallPermission()
+			return
+		}
+		showDownloadProgressDialog(
+			ctx = this,
+			titleRes = R.string.engine_update_downloading,
+			cancelable = true,
+			scope = lifecycleScope,
+			download = { onProgress -> updater.downloadAndInstall(onProgress) },
+		)
+	}
+
+	private fun promptForInstallPermission() {
+		MaterialAlertDialogBuilder(this)
+			.setTitle(R.string.engine_update_permission_needed)
+			.setMessage(R.string.engine_update_permission_message)
+			.setPositiveButton(R.string.engine_update_open_settings) { _, _ ->
+				val packageIntent = Intent(Settings.ACTION_MANAGE_UNKNOWN_APP_SOURCES,
+					"package:$packageName".toUri())
+				try {
+					startActivity(packageIntent)
+				} catch (_: ActivityNotFoundException) {
+					try {
+						startActivity(Intent(Settings.ACTION_MANAGE_UNKNOWN_APP_SOURCES))
+					} catch (_: ActivityNotFoundException) {
+						// no settings screen — nothing more we can do
+					}
+				}
+			}
+			.setNegativeButton(android.R.string.cancel, null)
+			.show()
 	}
 
 	override fun onSupportNavigateUp(): Boolean {
@@ -43,26 +142,44 @@ class MainActivity : AppCompatActivity() {
 	}
 
 	private fun showPendingCrashReport() {
-		val pending = CrashReports.pendingFile(this)
+		val pending = CrashReports.pendingStacktrace(this)
 		if (!pending.exists() || pending.length() == 0L)
 			return
 
 		val historyDir = CrashReports.historyDir(this).apply { mkdirs() }
 		val ts = SimpleDateFormat("yyyyMMdd-HHmmss", Locale.US).format(Date())
-		val archived = File(historyDir, "crash-$ts.log")
-		if (!pending.renameTo(archived)) {
-			// fall back to in-place read if move failed; still consume the file
-			archived.writeText(pending.readText())
-			pending.delete()
-		}
+		val entryDir = File(historyDir, "crash-$ts").apply { mkdirs() }
 
-		val content = archived.readText()
+		moveOrCopy(pending, File(entryDir, CrashReports.STACKTRACE_NAME))
+		moveOrCopy(CrashReports.pendingSysinfo(this), File(entryDir, CrashReports.SYSINFO_NAME))
+		moveOrCopy(CrashReports.pendingIntent(this), File(entryDir, CrashReports.INTENT_NAME))
+
+		val entry = CrashReports.Entry(entryDir)
 		AlertDialog.Builder(this)
 			.setTitle(R.string.crash_dialog_title)
-			.setView(CrashReports.buildContentView(this, content))
-			.setPositiveButton(R.string.crash_send_to_developers) { _, _ -> CrashReports.sendByEmail(this, content) }
-			.setNeutralButton(R.string.crash_share) { _, _ -> CrashReports.share(this, archived) }
+			.setView(monospaceTextView(this, entry.summary()))
+			.setPositiveButton(R.string.crash_send_to_developers) { _, _ -> CrashReports.sendByEmail(this, entry) }
+			.setNeutralButton(R.string.crash_share) { _, _ -> CrashReports.share(this, entry) }
 			.setNegativeButton(R.string.crash_dismiss, null)
 			.show()
 	}
+
+	private fun moveOrCopy(src: File, dst: File) {
+		if (!src.exists())
+			return
+
+		if (src.renameTo(dst))
+			return
+
+		dst.writeText(src.readText())
+		src.delete()
+	}
+
+	companion object {
+		private const val CHANGELOG_MAX_LINES = 15
+		private const val UPDATE_PREFS = "app_updater"
+		private const val KEY_LAST_CHECK = "last_check_ms"
+		private const val KEY_DISMISSED_BUILDNUM = "dismissed_buildnum"
+		private const val CHECK_INTERVAL_MS = 24 * 60 * 60 * 1000L
+	}
 }

android/app/src/main/java/su/xash/engine/XashActivity.java

@@ -1,6 +1,7 @@
 package su.xash.engine;
 
 import android.annotation.SuppressLint;
+import android.content.Intent;
 import android.content.pm.ActivityInfo;
 import android.content.res.AssetManager;
 import android.os.Build;
@@ -14,6 +15,7 @@ import android.view.WindowManager;
 import org.libsdl.app.SDLActivity;
 
 import su.xash.engine.util.AndroidBug5497Workaround;
+import su.xash.engine.util.CrashReports;
 
 import java.io.File;
 import java.util.Arrays;
@@ -121,6 +123,45 @@ public class XashActivity extends SDLActivity {
 		return getWindow().superDispatchKeyEvent(event);
 	}
 
+	private static void appendStringExtra(StringBuilder sb, Intent intent, String key) {
+		String value = intent.getStringExtra(key);
+		if (value != null)
+			sb.append("  ").append(key).append(" = ").append(value).append('\n');
+	}
+
+	// record intent info, so that it could be consumed later for crash reporting
+	private void recordLaunchInfo() {
+		// do not overwrite current launch info with pending crash log, shouldn't happen but might
+		File pendingCrash = new File(getFilesDir(), "crashes/" + CrashReports.STACKTRACE_NAME);
+		if (pendingCrash.exists() && pendingCrash.length() > 0)
+			return;
+
+		// write Android version, fingerprint, supported abis, etc
+		CrashReports.writeSystemInfo(this);
+
+		// now create intent info and pass it to crash reporting
+		Intent intent = getIntent();
+		if (intent == null)
+			return;
+		StringBuilder sb = new StringBuilder();
+		sb.append("Action: ").append(intent.getAction()).append('\n');
+		sb.append("Data: ").append(intent.getDataString()).append('\n');
+		sb.append("Calling package: ").append(getCallingPackage()).append('\n');
+		sb.append("Extras:\n");
+		// only write intent extras that we care about
+		appendStringExtra(sb, intent, "gamedir");
+		appendStringExtra(sb, intent, "gamelibdir");
+		appendStringExtra(sb, intent, "pakfile");
+		appendStringExtra(sb, intent, "basedir");
+		appendStringExtra(sb, intent, "package");
+		appendStringExtra(sb, intent, "argv");
+		sb.append("  usevolume = ").append(intent.getBooleanExtra("usevolume", false)).append('\n');
+		String[] env = intent.getStringArrayExtra("env");
+		if (env != null)
+			sb.append("  env = ").append(Arrays.toString(env)).append('\n');
+		CrashReports.writeIntentInfo(this, sb.toString());
+	}
+
 	// TODO: REMOVE LATER, temporary launchers support?
 	@Override
 	protected String[] getArguments() {
@@ -128,6 +169,8 @@ public class XashActivity extends SDLActivity {
 		crashDir.mkdirs();
 		nativeSetenv("XASH3D_CRASH_DIR", crashDir.getAbsolutePath());
 
+		recordLaunchInfo();
+
 		String gamedir = getIntent().getStringExtra("gamedir");
 		if (gamedir == null) gamedir = "valve";
 		nativeSetenv("XASH3D_GAME", gamedir);

android/app/src/main/java/su/xash/engine/model/AppUpdater.kt

@@ -0,0 +1,205 @@
+package su.xash.engine.model
+
+import android.app.PendingIntent
+import android.content.Context
+import android.content.Intent
+import android.content.pm.PackageInstaller
+import android.os.Build
+import android.util.Log
+import kotlinx.coroutines.CancellationException
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.ensureActive
+import kotlinx.coroutines.withContext
+import org.json.JSONException
+import org.json.JSONObject
+import su.xash.engine.BuildConfig
+import java.io.File
+import java.io.FileOutputStream
+import java.io.IOException
+import java.net.HttpURLConnection
+import java.net.URL
+import kotlin.coroutines.coroutineContext
+
+class AppUpdater(private val context: Context) {
+
+	data class UpdateInfo(val buildNum: Int, val tagName: String)
+	data class CommitInfo(val sha: String, val subject: String)
+
+	fun canInstall(): Boolean =
+		Build.VERSION.SDK_INT < Build.VERSION_CODES.O ||
+			context.packageManager.canRequestPackageInstalls()
+
+	suspend fun checkForUpdate(): UpdateInfo? {
+		if (!BuildConfig.ENABLE_AUTO_UPDATE) return null
+		return withContext(Dispatchers.IO) {
+			var connection: HttpURLConnection? = null
+			try {
+				connection = URL(RELEASE_API_URL).openConnection() as HttpURLConnection
+				connection.connectTimeout = 5000
+				connection.readTimeout = 5000
+				connection.setRequestProperty("Accept", "application/vnd.github+json")
+				connection.connect()
+
+				if (connection.responseCode != HttpURLConnection.HTTP_OK) {
+					Log.w(TAG, "Release API check failed: HTTP ${connection.responseCode}")
+					return@withContext null
+				}
+
+				val release = JSONObject(connection.inputStream.bufferedReader().readText())
+				val body = release.optString("body", "")
+				val tagName = release.optString("tag_name").ifEmpty { TAG_CONTINUOUS }
+
+				// buildnum is days-since-2015-04-01, same metric as VERSION_CODE / 10000
+				val remote = BUILDNUM_REGEX.find(body)?.groupValues?.get(1)?.toIntOrNull()
+				val localDays = BuildConfig.VERSION_CODE / 10000
+				Log.i(TAG, "Remote buildnum: $remote (tag=$tagName), local: $localDays")
+
+				if (remote != null && remote - localDays >= STALENESS_DAYS)
+					UpdateInfo(remote, tagName)
+				else
+					null
+			} catch (e: CancellationException) {
+				throw e
+			} catch (e: IOException) {
+				Log.w(TAG, "Update check failed: ${e.message}")
+				null
+			} catch (e: JSONException) {
+				Log.w(TAG, "Update check parse failed: ${e.message}")
+				null
+			} finally {
+				connection?.disconnect()
+			}
+		}
+	}
+
+	suspend fun fetchChangelog(fromRef: String, toRef: String): List<CommitInfo>? {
+		if (fromRef.isEmpty() || toRef.isEmpty())
+			return null
+		return withContext(Dispatchers.IO) {
+			var connection: HttpURLConnection? = null
+			try {
+				connection = URL("$COMPARE_API_BASE/$fromRef...$toRef").openConnection() as HttpURLConnection
+				connection.connectTimeout = 5000
+				connection.readTimeout = 5000
+				connection.setRequestProperty("Accept", "application/vnd.github+json")
+				connection.connect()
+
+				if (connection.responseCode != HttpURLConnection.HTTP_OK) {
+					Log.w(TAG, "Compare API failed: HTTP ${connection.responseCode}")
+					return@withContext null
+				}
+
+				val json = JSONObject(connection.inputStream.bufferedReader().readText())
+				val commits = json.optJSONArray("commits") ?: return@withContext null
+				val result = ArrayList<CommitInfo>(commits.length())
+				for (i in 0 until commits.length()) {
+					val c = commits.getJSONObject(i)
+					val sha = c.optString("sha").ifEmpty { continue }
+					val msg = c.optJSONObject("commit")?.optString("message") ?: continue
+					val subject = msg.substringBefore('\n').trim()
+					if (subject.isNotEmpty())
+						result.add(CommitInfo(sha, subject))
+				}
+				// GitHub returns oldest first
+				result.reverse()
+				result
+			} catch (e: CancellationException) {
+				throw e
+			} catch (e: IOException) {
+				Log.w(TAG, "Changelog fetch failed: ${e.message}")
+				null
+			} catch (e: JSONException) {
+				Log.w(TAG, "Changelog parse failed: ${e.message}")
+				null
+			} finally {
+				connection?.disconnect()
+			}
+		}
+	}
+
+	suspend fun downloadAndInstall(onProgress: (Long, Long) -> Unit): Result<Unit> {
+		return withContext(Dispatchers.IO) {
+			val tempFile = File(context.cacheDir, "xash3d-fwgs-update.apk")
+			var connection: HttpURLConnection? = null
+			try {
+				connection = URL(APK_URL).openConnection() as HttpURLConnection
+				connection.connectTimeout = 10000
+				connection.readTimeout = 30000
+				connection.instanceFollowRedirects = true
+				connection.connect()
+
+				if (connection.responseCode != HttpURLConnection.HTTP_OK)
+					return@withContext Result.failure(IOException("HTTP ${connection.responseCode}"))
+
+				val total = connection.contentLengthLong
+				var downloaded = 0L
+				var lastEmit = 0L
+
+				connection.inputStream.use { input ->
+					FileOutputStream(tempFile).use { output ->
+						val buffer = ByteArray(65536)
+						while (true) {
+							coroutineContext.ensureActive()
+							val read = input.read(buffer)
+							if (read < 0)
+								break
+							output.write(buffer, 0, read)
+							downloaded += read
+							val now = System.currentTimeMillis()
+							if (now - lastEmit >= PROGRESS_INTERVAL_MS) {
+								lastEmit = now
+								withContext(Dispatchers.Main) { onProgress(downloaded, total) }
+							}
+						}
+					}
+				}
+				withContext(Dispatchers.Main) { onProgress(downloaded, total) }
+
+				Log.i(TAG, "Downloaded APK: ${tempFile.length()} bytes -> ${tempFile.absolutePath}")
+
+				triggerInstall(tempFile)
+				Result.success(Unit)
+			} catch (e: CancellationException) {
+				tempFile.delete()
+				throw e
+			} catch (e: IOException) {
+				tempFile.delete()
+				Result.failure(e)
+			} finally {
+				connection?.disconnect()
+			}
+		}
+	}
+
+	private fun triggerInstall(apk: File) {
+		val installer = context.packageManager.packageInstaller
+		val params = PackageInstaller.SessionParams(PackageInstaller.SessionParams.MODE_FULL_INSTALL)
+		val sessionId = installer.createSession(params)
+		installer.openSession(sessionId).use { session ->
+			session.openWrite("base.apk", 0, apk.length()).use { out ->
+				apk.inputStream().use { it.copyTo(out) }
+				session.fsync(out)
+			}
+			val statusIntent = Intent(INSTALL_ACTION).setPackage(context.packageName)
+			val piFlags = PendingIntent.FLAG_UPDATE_CURRENT or
+				if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) PendingIntent.FLAG_MUTABLE else 0
+			val pi = PendingIntent.getBroadcast(context, sessionId, statusIntent, piFlags)
+			session.commit(pi.intentSender)
+		}
+	}
+
+	companion object {
+		private const val TAG = "AppUpdater"
+		private const val STALENESS_DAYS = 3
+		private const val PROGRESS_INTERVAL_MS = 100L
+		private const val TAG_CONTINUOUS = "continuous"
+		private const val INSTALL_ACTION = "su.xash.engine.INSTALL_RESULT"
+		private const val APK_URL =
+			"https://github.com/FWGS/xash3d-fwgs/releases/download/continuous/xash3d-fwgs-android.apk"
+		private const val RELEASE_API_URL =
+			"https://api.github.com/repos/FWGS/xash3d-fwgs/releases/tags/continuous"
+		private const val COMPARE_API_BASE =
+			"https://api.github.com/repos/FWGS/xash3d-fwgs/compare"
+		private val BUILDNUM_REGEX = Regex("""buildnum\s+(\d+)""")
+	}
+}

android/app/src/main/java/su/xash/engine/model/Game.kt

@@ -6,17 +6,15 @@ import android.content.pm.PackageInfo
 import android.content.pm.PackageManager
 import android.graphics.Bitmap
 import android.graphics.BitmapFactory
-import android.view.LayoutInflater
-import android.widget.TextView
 import androidx.core.net.toUri
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
-import com.google.android.material.progressindicator.LinearProgressIndicator
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.SupervisorJob
 import kotlinx.coroutines.launch
 import su.xash.engine.R
 import su.xash.engine.XashActivity
+import su.xash.engine.util.showDownloadProgressDialog
 import java.io.File
 import java.io.FileInputStream
 
@@ -139,44 +137,14 @@ class Game(val ctx: Context, val basedir: File, val gameInfoFile: File) {
 	}
 
 	private fun showDownloadDialog(ctx: Context, downloader: GameLibDownloader, commandLineArgs: String) {
-		val view = LayoutInflater.from(ctx).inflate(R.layout.dialog_download_progress, null)
-		val progressBar = view.findViewById<LinearProgressIndicator>(R.id.downloadProgress)
-		val statusText = view.findViewById<TextView>(R.id.downloadStatus)
-
-		val dialog = MaterialAlertDialogBuilder(ctx)
-			.setTitle(R.string.downloading_game_libs)
-			.setView(view)
-			.setCancelable(true)
-			.setNegativeButton(android.R.string.cancel) { d, _ -> d.dismiss() }
-			.create()
-
-		dialog.show()
-
-		val scope = CoroutineScope(Dispatchers.Main + SupervisorJob())
-		val job = scope.launch {
-			val result = downloader.download(basedir.name) { progress ->
-				progressBar.isIndeterminate = false
-				progressBar.progress = (progress * 100).toInt()
-				statusText.text = ctx.getString(R.string.download_progress, (progress * 100).toInt())
-			}
-
-			if (!dialog.isShowing) return@launch
-
-			dialog.dismiss()
-
-			if (result.isSuccess) {
-				launchEngine(ctx, commandLineArgs)
-			} else {
-				MaterialAlertDialogBuilder(ctx)
-					.setTitle(R.string.download_failed)
-					.setMessage(result.exceptionOrNull()?.message
-						?: ctx.getString(R.string.download_error))
-					.setPositiveButton(android.R.string.ok, null)
-					.show()
-			}
-		}
-
-		dialog.setOnDismissListener { job.cancel() }
+		showDownloadProgressDialog(
+			ctx = ctx,
+			titleRes = R.string.downloading_game_libs,
+			cancelable = true,
+			scope = CoroutineScope(Dispatchers.Main + SupervisorJob()),
+			download = { onProgress -> downloader.download(basedir.name, onProgress) },
+			onSuccess = { launchEngine(ctx, commandLineArgs) },
+		)
 	}
 
 	private fun showManifestErrorDialog(ctx: Context, commandLineArgs: String, cause: Throwable) {

android/app/src/main/java/su/xash/engine/model/GameLibDownloader.kt

@@ -199,7 +199,7 @@ class GameLibDownloader(private val context: Context) {
 	private suspend fun tryDownload(
 		url: String,
 		dest: File,
-		onProgress: (Float) -> Unit
+		onProgress: (Long, Long) -> Unit
 	): Exception? {
 		var connection: HttpURLConnection? = null
 		try {
@@ -215,6 +215,7 @@ class GameLibDownloader(private val context: Context) {
 
 			val total = connection.contentLengthLong
 			var downloaded = 0L
+			var lastEmit = 0L
 
 			connection.inputStream.use { input ->
 				FileOutputStream(dest).use { output ->
@@ -226,13 +227,15 @@ class GameLibDownloader(private val context: Context) {
 							break
 						output.write(buffer, 0, read)
 						downloaded += read
-						if (total > 0) {
-							val progress = downloaded.toFloat() / total
-							withContext(Dispatchers.Main) { onProgress(progress) }
+						val now = System.currentTimeMillis()
+						if (now - lastEmit >= PROGRESS_INTERVAL_MS) {
+							lastEmit = now
+							withContext(Dispatchers.Main) { onProgress(downloaded, total) }
 						}
 					}
 				}
 			}
+			withContext(Dispatchers.Main) { onProgress(downloaded, total) }
 
 			return null
 		} catch (e: Exception) {
@@ -242,7 +245,7 @@ class GameLibDownloader(private val context: Context) {
 		}
 	}
 
-	suspend fun download(gamedir: String, onProgress: (Float) -> Unit): Result<Unit> {
+	suspend fun download(gamedir: String, onProgress: (Long, Long) -> Unit): Result<Unit> {
 		return withContext(Dispatchers.IO) {
 			val manifest = fetchManifest()
 				?: return@withContext Result.failure(IOException("Failed to fetch manifest"))
@@ -364,6 +367,7 @@ class GameLibDownloader(private val context: Context) {
 
 	companion object {
 		private const val TAG = "GameLibDownloader"
+		private const val PROGRESS_INTERVAL_MS = 100L
 		private const val RELEASE_BASE_URL =
 			"https://github.com/FWGS/hlsdk-mega-build/releases/download/continuous"
 		private const val MANIFEST_URL =

android/app/src/main/java/su/xash/engine/model/InstallStatusReceiver.kt

@@ -0,0 +1,42 @@
+package su.xash.engine.model
+
+import android.content.BroadcastReceiver
+import android.content.Context
+import android.content.Intent
+import android.content.pm.PackageInstaller
+import android.os.Build
+import android.util.Log
+import android.widget.Toast
+import su.xash.engine.R
+
+class InstallStatusReceiver : BroadcastReceiver() {
+	override fun onReceive(context: Context, intent: Intent) {
+		val status = intent.getIntExtra(PackageInstaller.EXTRA_STATUS, -1)
+		when (status) {
+			PackageInstaller.STATUS_PENDING_USER_ACTION -> {
+				val confirm: Intent? = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+					intent.getParcelableExtra(Intent.EXTRA_INTENT, Intent::class.java)
+				} else {
+					@Suppress("DEPRECATION")
+					intent.getParcelableExtra(Intent.EXTRA_INTENT)
+				}
+				confirm?.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
+				confirm?.let { context.startActivity(it) }
+			}
+			PackageInstaller.STATUS_SUCCESS -> Log.i(TAG, "Install succeeded")
+			else -> {
+				val msg = intent.getStringExtra(PackageInstaller.EXTRA_STATUS_MESSAGE).orEmpty()
+				Log.w(TAG, "Install status $status: $msg")
+				Toast.makeText(
+					context,
+					context.getString(R.string.engine_install_failed, msg),
+					Toast.LENGTH_LONG,
+				).show()
+			}
+		}
+	}
+
+	companion object {
+		private const val TAG = "InstallStatus"
+	}
+}

android/app/src/main/java/su/xash/engine/ui/settings/CrashLogsFragment.kt

@@ -6,7 +6,7 @@ import androidx.preference.Preference
 import androidx.preference.PreferenceFragmentCompat
 import su.xash.engine.R
 import su.xash.engine.util.CrashReports
-import java.io.File
+import su.xash.engine.util.monospaceTextView
 import java.text.SimpleDateFormat
 import java.util.Date
 import java.util.Locale
@@ -26,9 +26,12 @@ class CrashLogsFragment : PreferenceFragmentCompat() {
 		val ctx = requireContext()
 		preferenceScreen.removeAll()
 
-		val files = CrashReports.historyDir(ctx).listFiles()?.sortedByDescending { it.lastModified() } ?: emptyList()
+		val dirs = CrashReports.historyDir(ctx).listFiles()
+			?.filter { it.isDirectory }
+			?.sortedByDescending { it.lastModified() }
+			?: emptyList()
 
-		if (files.isEmpty()) {
+		if (dirs.isEmpty()) {
 			preferenceScreen.addPreference(Preference(ctx).apply {
 				setTitle(R.string.crash_logs_empty)
 				isSelectable = false
@@ -37,28 +40,27 @@ class CrashLogsFragment : PreferenceFragmentCompat() {
 		}
 
 		val fmt = SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.US)
-		files.forEach { file ->
+		dirs.forEach { dir ->
 			preferenceScreen.addPreference(Preference(ctx).apply {
-				title = fmt.format(Date(file.lastModified()))
-				summary = file.name
+				title = fmt.format(Date(dir.lastModified()))
+				summary = dir.name
 				setOnPreferenceClickListener {
-					showCrashLog(file)
+					showCrashLog(CrashReports.Entry(dir))
 					true
 				}
 			})
 		}
 	}
 
-	private fun showCrashLog(file: File) {
+	private fun showCrashLog(entry: CrashReports.Entry) {
 		val ctx = requireContext()
-		val content = file.readText()
 		AlertDialog.Builder(ctx)
-			.setTitle(file.name)
-			.setView(CrashReports.buildContentView(ctx, content))
-			.setPositiveButton(R.string.crash_send_to_developers) { _, _ -> CrashReports.sendByEmail(ctx, content) }
-			.setNeutralButton(R.string.crash_share) { _, _ -> CrashReports.share(ctx, file) }
+			.setTitle(entry.name)
+			.setView(monospaceTextView(ctx, entry.summary()))
+			.setPositiveButton(R.string.crash_send_to_developers) { _, _ -> CrashReports.sendByEmail(ctx, entry) }
+			.setNeutralButton(R.string.crash_share) { _, _ -> CrashReports.share(ctx, entry) }
 			.setNegativeButton(R.string.crash_log_delete) { _, _ ->
-				file.delete()
+				entry.dir.deleteRecursively()
 				populate()
 			}
 			.show()

android/app/src/main/java/su/xash/engine/util/CrashReports.kt

@@ -2,16 +2,17 @@ package su.xash.engine.util
 
 import android.content.Context
 import android.content.Intent
-import android.graphics.Typeface
 import android.net.Uri
-import android.util.TypedValue
-import android.view.View
-import android.widget.ScrollView
-import android.widget.TextView
+import android.os.Build
+import androidx.appcompat.app.AlertDialog
 import androidx.core.content.FileProvider
 import su.xash.engine.BuildConfig
 import su.xash.engine.R
+import java.io.BufferedOutputStream
 import java.io.File
+import java.io.FileOutputStream
+import java.util.zip.ZipEntry
+import java.util.zip.ZipOutputStream
 
 object CrashReports {
 	private const val PREFS = "crash_reports"
@@ -20,7 +21,37 @@ object CrashReports {
 
 	private const val D = "9c8d9e8c97bf9988988cd1989e86"
 
-	fun pendingFile(ctx: Context): File = File(ctx.filesDir, "crashes/crash.log")
+	const val STACKTRACE_NAME = "crash.log"
+	const val SYSINFO_NAME = "sysinfo.txt"
+	const val INTENT_NAME = "intent.txt"
+
+	class Entry(val dir: File) {
+		val name: String get() = dir.name
+		val timestamp: Long get() = dir.lastModified()
+		val stacktrace: File get() = File(dir, STACKTRACE_NAME)
+		val sysinfo: File get() = File(dir, SYSINFO_NAME)
+		val intent: File get() = File(dir, INTENT_NAME)
+
+		fun attachments(): List<File> = listOf(stacktrace, sysinfo, intent).filter { it.exists() && it.length() > 0 }
+
+		fun summary(): String = buildString {
+			if (stacktrace.exists())
+				append(stacktrace.readText())
+
+			if (sysinfo.exists()) {
+				append("\n--- System info ---\n").append(sysinfo.readText())
+			}
+
+			if (intent.exists()) {
+				append("\n--- XashActivity intent ---\n").append(intent.readText())
+			}
+		}
+	}
+
+	fun pendingDir(ctx: Context): File = File(ctx.filesDir, "crashes")
+	fun pendingStacktrace(ctx: Context): File = File(pendingDir(ctx), STACKTRACE_NAME)
+	fun pendingSysinfo(ctx: Context): File = File(pendingDir(ctx), SYSINFO_NAME)
+	fun pendingIntent(ctx: Context): File = File(pendingDir(ctx), INTENT_NAME)
 	fun historyDir(ctx: Context): File = File(ctx.filesDir, "crashes/history")
 
 	// wipe everything on app update; otherwise drop logs older than 30 days
@@ -30,47 +61,108 @@ object CrashReports {
 		val currentVersion = BuildConfig.VERSION_CODE
 
 		if (lastVersion != currentVersion) {
-			historyDir(ctx).listFiles()?.forEach { it.delete() }
-			pendingFile(ctx).delete()
+			historyDir(ctx).deleteRecursively()
+			pendingStacktrace(ctx).delete()
+			pendingSysinfo(ctx).delete()
+			pendingIntent(ctx).delete()
 			prefs.edit().putInt(KEY_LAST_VERSION, currentVersion).apply()
 			return
 		}
 
 		val cutoff = System.currentTimeMillis() - MAX_AGE_MS
-		historyDir(ctx).listFiles()?.forEach { f ->
-			if (f.lastModified() < cutoff) f.delete()
+		historyDir(ctx).listFiles()?.forEach { entry ->
+			if (entry.lastModified() < cutoff)
+				entry.deleteRecursively()
 		}
 	}
 
-	fun sendByEmail(ctx: Context, content: String) {
-		val addr = D.chunked(2) { (it.toString().toInt(16) xor 0xFF).toChar() }.joinToString("")
-		val intent = Intent(Intent.ACTION_SENDTO).apply {
-			data = Uri.fromParts("mailto", addr, null)
-			putExtra(Intent.EXTRA_SUBJECT, ctx.getString(R.string.crash_email_subject))
-			putExtra(Intent.EXTRA_TEXT, content)
+	@JvmStatic
+	fun writeSystemInfo(ctx: Context) {
+		val text = buildString {
+			append("App version: ").append(BuildConfig.VERSION_NAME).append(" (code ").append(BuildConfig.VERSION_CODE).append(")\n")
+			append("Application ID: ").append(BuildConfig.APPLICATION_ID).append('\n')
+			append("Android: ").append(Build.VERSION.RELEASE).append(" (SDK ").append(Build.VERSION.SDK_INT).append(")\n")
+			append("Manufacturer: ").append(Build.MANUFACTURER).append('\n')
+			append("Brand: ").append(Build.BRAND).append('\n')
+			append("Model: ").append(Build.MODEL).append('\n')
+			append("Device: ").append(Build.DEVICE).append('\n')
+			append("Product: ").append(Build.PRODUCT).append('\n')
+			append("Hardware: ").append(Build.HARDWARE).append('\n')
+			append("Fingerprint: ").append(Build.FINGERPRINT).append('\n')
+			append("Supported ABIs: ").append(Build.SUPPORTED_ABIS.joinToString(", ")).append('\n')
 		}
-		if (intent.resolveActivity(ctx.packageManager) != null) {
-			ctx.startActivity(intent)
+
+		runCatching {
+			pendingDir(ctx).mkdirs()
+			pendingSysinfo(ctx).writeText(text)
 		}
 	}
 
-	fun buildContentView(ctx: Context, content: String): View {
-		val pad = (16 * ctx.resources.displayMetrics.density).toInt()
-		val text = TextView(ctx).apply {
-			text = content
-			typeface = Typeface.MONOSPACE
-			setTextIsSelectable(true)
-			setTextSize(TypedValue.COMPLEX_UNIT_SP, 12f)
-			setPadding(pad, pad, pad, pad)
+	@JvmStatic
+	fun writeIntentInfo(ctx: Context, text: String) {
+		runCatching {
+			pendingDir(ctx).mkdirs()
+			pendingIntent(ctx).writeText(text)
 		}
-		return ScrollView(ctx).apply { addView(text) }
 	}
 
-	fun share(ctx: Context, file: File) {
+	private fun zipUri(ctx: Context, entry: Entry): Uri {
+		val zipDir = File(ctx.cacheDir, "crashes").apply { mkdirs() }
+		val zip = File(zipDir, "${entry.name}.zip")
+		ZipOutputStream(BufferedOutputStream(FileOutputStream(zip))).use { zos ->
+			entry.attachments().forEach { f ->
+				zos.putNextEntry(ZipEntry(f.name))
+				f.inputStream().use { it.copyTo(zos) }
+				zos.closeEntry()
+			}
+		}
 		val authority = "${BuildConfig.APPLICATION_ID}.fileprovider"
-		val uri = FileProvider.getUriForFile(ctx, authority, file)
+		return FileProvider.getUriForFile(ctx, authority, zip)
+	}
+
+	fun sendByEmail(ctx: Context, entry: Entry) {
+		val addr = D.chunked(2) { (it.toString().toInt(16) xor 0xFF).toChar() }.joinToString("")
+
+		val mailtoProbe = Intent(Intent.ACTION_SENDTO, Uri.fromParts("mailto", addr, null))
+		val mailApps = ctx.packageManager.queryIntentActivities(mailtoProbe, 0)
+		if (mailApps.isEmpty()) {
+			AlertDialog.Builder(ctx)
+				.setTitle(R.string.crash_no_mail_app_title)
+				.setMessage(R.string.crash_no_mail_app_message)
+				.setPositiveButton(android.R.string.ok, null)
+				.show()
+			return
+		}
+
+		val uri = zipUri(ctx, entry)
+		val baseSend = Intent(Intent.ACTION_SEND).apply {
+			type = "application/zip"
+			putExtra(Intent.EXTRA_EMAIL, arrayOf(addr))
+			putExtra(Intent.EXTRA_SUBJECT, ctx.getString(R.string.crash_email_subject))
+			putExtra(Intent.EXTRA_TEXT, ctx.getString(R.string.crash_email_body))
+			putExtra(Intent.EXTRA_STREAM, uri)
+			addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
+		}
+
+		val targeted = mailApps.map { ri ->
+			Intent(baseSend).apply { setPackage(ri.activityInfo.packageName) }
+		}
+
+		if (targeted.size == 1) {
+			ctx.startActivity(targeted[0])
+			return
+		}
+
+		// Multiple mail apps — show a chooser limited to them, no other share targets
+		val chooser = Intent.createChooser(targeted[0], ctx.getString(R.string.crash_send_to_developers))
+		chooser.putExtra(Intent.EXTRA_INITIAL_INTENTS, targeted.drop(1).toTypedArray())
+		ctx.startActivity(chooser)
+	}
+
+	fun share(ctx: Context, entry: Entry) {
+		val uri = zipUri(ctx, entry)
 		val intent = Intent(Intent.ACTION_SEND).apply {
-			type = "text/plain"
+			type = "application/zip"
 			putExtra(Intent.EXTRA_SUBJECT, ctx.getString(R.string.crash_email_subject))
 			putExtra(Intent.EXTRA_STREAM, uri)
 			addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)

android/app/src/main/java/su/xash/engine/util/DownloadProgress.kt

@@ -0,0 +1,69 @@
+package su.xash.engine.util
+
+import android.content.Context
+import android.text.format.Formatter
+import android.view.LayoutInflater
+import android.widget.TextView
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import com.google.android.material.progressindicator.LinearProgressIndicator
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.launch
+import su.xash.engine.R
+
+fun showDownloadProgressDialog(
+	ctx: Context,
+	titleRes: Int,
+	cancelable: Boolean,
+	scope: CoroutineScope,
+	download: suspend ((Long, Long) -> Unit) -> Result<Unit>,
+	onSuccess: (() -> Unit)? = null,
+) {
+	val view = LayoutInflater.from(ctx).inflate(R.layout.dialog_download_progress, null)
+	val progressBar = view.findViewById<LinearProgressIndicator>(R.id.downloadProgress)
+	val statusText = view.findViewById<TextView>(R.id.downloadStatus)
+
+	val dialog = MaterialAlertDialogBuilder(ctx)
+		.setTitle(titleRes)
+		.setView(view)
+		.setCancelable(cancelable)
+		.apply {
+			if (cancelable)
+				setNegativeButton(android.R.string.cancel) { d, _ -> d.dismiss() }
+		}
+		.create()
+
+	dialog.show()
+
+	val job = scope.launch {
+		val result = download { downloaded, total ->
+			val downloadedStr = Formatter.formatShortFileSize(ctx, downloaded)
+			if (total > 0) {
+				progressBar.isIndeterminate = false
+				progressBar.progress = (downloaded * 100 / total).toInt()
+				val totalStr = Formatter.formatShortFileSize(ctx, total)
+				statusText.text = ctx.getString(R.string.download_progress, downloadedStr, totalStr)
+			} else {
+				statusText.text = ctx.getString(R.string.download_progress_unknown, downloadedStr)
+			}
+		}
+
+		if (!dialog.isShowing)
+			return@launch
+
+		dialog.dismiss()
+
+		if (result.isSuccess) {
+			onSuccess?.invoke()
+		} else {
+			MaterialAlertDialogBuilder(ctx)
+				.setTitle(R.string.download_failed)
+				.setMessage(result.exceptionOrNull()?.message
+					?: ctx.getString(R.string.download_error))
+				.setPositiveButton(android.R.string.ok, null)
+				.show()
+		}
+	}
+
+	if (cancelable)
+		dialog.setOnDismissListener { job.cancel() }
+}

android/app/src/main/java/su/xash/engine/util/MonospaceText.kt

@@ -0,0 +1,19 @@
+package su.xash.engine.util
+
+import android.content.Context
+import android.graphics.Typeface
+import android.util.TypedValue
+import android.view.View
+import android.widget.ScrollView
+import android.widget.TextView
+
+fun monospaceTextView(ctx: Context, content: String): View {
+	val pad = (16 * ctx.resources.displayMetrics.density).toInt()
+	val text = TextView(ctx).apply {
+		text = content
+		typeface = Typeface.MONOSPACE
+		setTextSize(TypedValue.COMPLEX_UNIT_SP, 12f)
+		setPadding(pad, pad, pad, pad)
+	}
+	return ScrollView(ctx).apply { addView(text) }
+}

android/app/src/main/res/values-ru/strings.xml

@@ -30,9 +30,13 @@
 	<string name="crash_logs">Журналы сбоев</string>
 	<string name="crash_logs_empty">Нет сохранённых журналов сбоев</string>
 	<string name="crash_log_delete">Удалить</string>
+	<string name="crash_email_body">К письму прикреплены подробности сбоя. Опишите, пожалуйста, как можно подробнее, что вы делали, когда игра вылетела — любая мелочь поможет нам исправить ошибку!</string>
+	<string name="crash_no_mail_app_title">Почтовое приложение не найдено</string>
+	<string name="crash_no_mail_app_message">На этом устройстве нет почтового клиента. Установите его (или воспользуйтесь кнопкой «Поделиться», чтобы отправить отчёт другим способом) и попробуйте снова.</string>
 	<string name="downloading_game_libs">Загрузка игровых библиотек</string>
 	<string name="downloading">Загрузка…</string>
-	<string name="download_progress">Загрузка… %1$d%%</string>
+	<string name="download_progress">Загрузка… %1$s / %2$s</string>
+	<string name="download_progress_unknown">Загрузка… %1$s</string>
 	<string name="download_failed">Ошибка загрузки</string>
 	<string name="download_error">Произошла ошибка при загрузке игровых библиотек.</string>
 	<string name="update_available">Доступно обновление</string>
@@ -46,4 +50,15 @@
 	<string name="source_branch">Ветка</string>
 	<string name="source_commit">Коммит</string>
 	<string name="downloaded_at">Загружено</string>
+	<string name="engine_update_available">Доступно обновление движка</string>
+	<string name="engine_update_message">Доступна сборка %1$d. Обновить?</string>
+	<string name="engine_update_changelog_header">Изменения с вашей сборки:</string>
+	<string name="engine_update_changelog_more">+ ещё %1$d коммитов</string>
+	<string name="engine_update_download">Обновить</string>
+	<string name="engine_update_later">Позже</string>
+	<string name="engine_update_downloading">Загрузка обновления</string>
+	<string name="engine_update_permission_needed">Нужно разрешение</string>
+	<string name="engine_update_permission_message">Чтобы установить обновление, разрешите Xash3D FWGS устанавливать неизвестные приложения в настройках системы.</string>
+	<string name="engine_update_open_settings">Открыть настройки</string>
+	<string name="engine_install_failed">Не удалось установить обновление: %1$s</string>
 </resources>

android/app/src/main/res/values/strings.xml

@@ -32,9 +32,13 @@
 	<string name="crash_logs_empty">No crash logs recorded</string>
 	<string name="crash_log_delete">Delete</string>
 	<string name="crash_email_subject" translatable="false">Xash3D FWGS crash report</string>
+	<string name="crash_email_body">Crash details are attached. Please describe in as much detail as possible what you were doing when the game crashed — every little thing helps us fix it!</string>
+	<string name="crash_no_mail_app_title">No mail app found</string>
+	<string name="crash_no_mail_app_message">No email client is installed on this device. Install one (or use Share to send the report another way) and try again.</string>
 	<string name="downloading_game_libs">Downloading Game Libraries</string>
 	<string name="downloading">Downloading…</string>
-	<string name="download_progress">Downloading… %1$d%%</string>
+	<string name="download_progress">Downloading… %1$s / %2$s</string>
+	<string name="download_progress_unknown">Downloading… %1$s</string>
 	<string name="download_failed">Download Failed</string>
 	<string name="download_error">An error occurred while downloading game libraries.</string>
 	<string name="update_available">Update Available</string>
@@ -48,4 +52,15 @@
 	<string name="source_branch">Branch</string>
 	<string name="source_commit">Commit</string>
 	<string name="downloaded_at">Downloaded</string>
+	<string name="engine_update_available">Engine Update Available</string>
+	<string name="engine_update_message">Build %1$d is available. Update now?</string>
+	<string name="engine_update_changelog_header">Changes since your build:</string>
+	<string name="engine_update_changelog_more">+ %1$d more commits</string>
+	<string name="engine_update_download">Update</string>
+	<string name="engine_update_later">Later</string>
+	<string name="engine_update_downloading">Downloading Update</string>
+	<string name="engine_update_permission_needed">Permission Required</string>
+	<string name="engine_update_permission_message">To install the update, allow Xash3D FWGS to install unknown apps in system settings.</string>
+	<string name="engine_update_open_settings">Open settings</string>
+	<string name="engine_install_failed">Update install failed: %1$s</string>
 </resources>

android/app/src/main/res/xml/paths.xml

@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <paths>
-	<files-path name="crashes" path="crashes/" />
+	<cache-path name="crash_zips" path="crashes/" />
 </paths>

common/xash3d_types.h

@@ -114,6 +114,7 @@ typedef int qboolean;
 	#define FORMAT_CHECK( x )  __attribute__(( format( printf, x, x + 1 )))
 	#define ALLOC_CHECK( x )   __attribute__(( alloc_size( x )))
 	#define WARN_UNUSED_RESULT __attribute__(( warn_unused_result ))
+	#define MAYBE_UNUSED       __attribute__(( unused ))
 	#define RENAME_SYMBOL( x ) asm( x )
 	#if !defined( offsetof )
 		#define offsetof( s, m )   __builtin_offsetof( s, m )
@@ -198,6 +199,10 @@ typedef int qboolean;
 	#define WARN_UNUSED_RESULT
 #endif // !defined( WARN_UNUSED_RESULT )
 
+#if !defined( MAYBE_UNUSED )
+	#define MAYBE_UNUSED
+#endif // !defined( MAYBE_UNUSED )
+
 #if !defined( RENAME_SYMBOL )
 	#define RENAME_SYMBOL( x )
 #endif // !defined( RENAME_SYMBOL )

engine/client/avi/avi_ffmpeg.c

@@ -195,7 +195,6 @@ static int AVI_OpenCodecContext( AVCodecContext **dst_dec_ctx, AVFormatContext *
 		AVI_SpewError( quiet, S_ERROR "Failed to allocate %s codec context", dec->name );
 		return AVERROR( ENOMEM );
 	}
-
 	if(( ret = pavcodec_parameters_to_context( dec_ctx, st->codecpar )) < 0 )
 	{
 		AVI_SpewAvError( quiet, "avcodec_parameters_to_context", ret );
@@ -251,8 +250,7 @@ byte *AVI_GetVideoFrame( movie_state_t *Avi, int target )
 
 static void AVI_StreamAudio( movie_state_t *Avi )
 {
-	int buffer_samples, file_samples, file_bytes;
-	rawchan_t *ch = NULL;
+	rawchan_t *ch;
 
 	// keep the same semantics, when S_RAW_SOUND_SOUNDTRACK doesn't play if S_StartStreaming wasn't enabled
 	qboolean disable_stream = Avi->entnum == S_RAW_SOUND_SOUNDTRACK ? !snd.streaming : false;
@@ -273,11 +271,11 @@ static void AVI_StreamAudio( movie_state_t *Avi )
 
 	while( ch->s_rawend < snd.soundtime + ch->max_samples )
 	{
+		int buffer_samples = ch->max_samples - (ch->s_rawend - snd.soundtime);
+		int file_samples = buffer_samples * ((float)Avi->rate / SOUND_DMA_SPEED);
+		int file_bytes;
 		size_t copy;
 
-		buffer_samples = ch->max_samples - (ch->s_rawend - snd.soundtime);
-
-		file_samples = buffer_samples * ((float)Avi->rate / SOUND_DMA_SPEED);
 		if( file_samples <= 1 ) return; // no more samples need
 
 		file_bytes = file_samples * pav_get_bytes_per_sample( Avi->s_fmt ) * Avi->channels;
@@ -308,8 +306,6 @@ static void AVI_HandleAudio( movie_state_t *Avi, const AVFrame *frame )
 {
 	int samples = frame->nb_samples;
 	size_t len = samples * pav_get_bytes_per_sample( Avi->s_fmt ) * Avi->channels;
-	int outsamples;
-	uint8_t *ptr;
 
 	// allocate data
 	if( !Avi->cached_audio )
@@ -337,8 +333,8 @@ static void AVI_HandleAudio( movie_state_t *Avi, const AVFrame *frame )
 		}
 	}
 
-	ptr = Avi->cached_audio + Avi->cached_audio_len;
-	outsamples = pswr_convert( Avi->swr_ctx, &ptr, samples, (void *)frame->data, samples );
+	uint8_t *ptr = Avi->cached_audio + Avi->cached_audio_len;
+	int outsamples = pswr_convert( Avi->swr_ctx, &ptr, samples, (void *)frame->data, samples );
 	Avi->cached_audio_len += outsamples * pav_get_bytes_per_sample( Avi->s_fmt ) * Avi->channels;
 
 	// Con_Printf( "%s: got audio chunk of size %d samples\n", __func__, outsamples );
@@ -463,8 +459,6 @@ qboolean AVI_Think( movie_state_t *Avi )
 
 void AVI_OpenVideo( movie_state_t *Avi, const char *filename, qboolean load_audio, int quiet )
 {
-	byte *dst[4];
-	int dst_linesize[4];
 	int ret;
 
 	if( Avi->active )
@@ -529,6 +523,8 @@ void AVI_OpenVideo( movie_state_t *Avi, const char *filename, qboolean load_audi
 		return;
 	}
 
+	byte *dst[4];
+	int dst_linesize[4];
 	if(( ret = pav_image_alloc( dst, dst_linesize, Avi->xres, Avi->yres, AV_PIX_FMT_BGR0, 1 )) < 0 )
 	{
 		AVI_SpewAvError( quiet, "av_image_alloc", ret );

engine/client/cl_cmds.c

@@ -61,16 +61,14 @@ Emulate audio-cd system
 */
 void CL_PlayCDTrack_f( void )
 {
-	const char	*command;
-	const char	*pszTrack;
 	static int	track = 0;
 	static qboolean	paused = false;
 	static qboolean	looped = false;
 	static qboolean	enabled = true;
 
 	if( Cmd_Argc() < 2 ) return;
-	command = Cmd_Argv( 1 );
-	pszTrack = Cmd_Argv( 2 );
+	const char	*command = Cmd_Argv( 1 );
+	const char	*pszTrack = Cmd_Argv( 2 );
 
 	if( !enabled && Q_stricmp( command, "on" ))
 		return; // CD-player is disabled
@@ -238,9 +236,7 @@ static scrshot_t CL_GetScreenshotTypeFromString( const char *string )
 void CL_GenericShot_f( void )
 {
 	const char *argv0 = Cmd_Argv( 0 );
-	scrshot_t type;
-
-	type = CL_GetScreenshotTypeFromString( argv0 );
+	scrshot_t type = CL_GetScreenshotTypeFromString( argv0 );
 
 	if( type == scrshot_normal || type == scrshot_snapshot )
 	{
@@ -272,7 +268,6 @@ void CL_GenericShot_f( void )
 	case scrshot_snapshot:
 	{
 		string checkname;
-		int i;
 
 		// allow overriding screenshot by users request
 		if( Cmd_Argc() > 1 )
@@ -284,7 +279,7 @@ void CL_GenericShot_f( void )
 		if( type == scrshot_snapshot )
 			FS_AllowDirectPaths( true );
 
-		for( i = 0; i < 9999; i++ )
+		for( int i = 0; i < 9999; i++ )
 		{
 			int ret;
 
@@ -383,17 +378,14 @@ CL_WavePlayLen_f
 */
 void CL_WavePlayLen_f( void )
 {
-	const char *name;
-	uint msecs;
-
 	if( Cmd_Argc() != 2 )
 	{
 		Con_Printf( "waveplaylen <wave file name>: returns approximate number of milliseconds a wave file will take to play.\n" );
 		return;
 	}
 
-	name = Cmd_Argv( 1 );
-	msecs = Sound_GetApproxWavePlayLen( name );
+	const char *name = Cmd_Argv( 1 );
+	uint msecs = Sound_GetApproxWavePlayLen( name );
 
 	if( msecs == 0 )
 	{

engine/client/cl_custom.c

@@ -130,9 +130,7 @@ void CL_MoveToOnHandList( resource_t *pResource )
 
 static void CL_ClearResourceList( resource_t *pList )
 {
-	resource_t	*p, *n;
-
-	for( p = pList->pNext; p != pList && p; p = n )
+	for( resource_t *p = pList->pNext, *n; p != pList && p; p = n )
 	{
 		n = p->pNext;
 

engine/client/cl_debug.c

@@ -71,9 +71,7 @@ const char *CL_MsgInfo( int cmd )
 	}
 	else if( cmd > svc_lastmsg && cmd <= ( svc_lastmsg + MAX_USER_MESSAGES ))
 	{
-		int	i;
-
-		for( i = 0; i < MAX_USER_MESSAGES; i++ )
+		for( int i = 0; i < MAX_USER_MESSAGES; i++ )
 		{
 			if( clgame.msg[i].number == cmd )
 			{
@@ -106,11 +104,9 @@ record new message params into debug buffer
 */
 void CL_Parse_RecordCommand( int cmd, int startoffset )
 {
-	int	slot;
-
 	if( cmd == svc_nop ) return;
 
-	slot = ( cls_message_debug.currentcmd++ & MSG_MASK );
+	int	slot = ( cls_message_debug.currentcmd++ & MSG_MASK );
 	cls_message_debug.oldcmd[slot].command = cmd;
 	cls_message_debug.oldcmd[slot].starting_offset = startoffset;
 	cls_message_debug.oldcmd[slot].frame_number = host.framecount;
@@ -141,9 +137,7 @@ write net_message into buffer.dat for debugging
 static void CL_WriteErrorMessage( int current_count, sizebuf_t *msg )
 {
 	const char	*buffer_file = "buffer.dat";
-	file_t		*fp;
-
-	fp = FS_Open( buffer_file, "wb", false );
+	file_t		*fp = FS_Open( buffer_file, "wb", false );
 	if( !fp )
 	{
 		Con_Printf( S_ERROR "%s: can't open %s for write\n", __func__, buffer_file );
@@ -170,7 +164,7 @@ void CL_WriteMessageHistory( void )
 {
 	oldcmd_t	*old;
 	sizebuf_t	*msg = &net_message;
-	int	i, thecmd;
+	int	thecmd;
 
 	if( !cls.initialized || cls.state == ca_disconnected )
 		return;
@@ -184,7 +178,7 @@ void CL_WriteMessageHistory( void )
 	thecmd = cls_message_debug.currentcmd - 1;
 	thecmd -= ( MSG_COUNT - 1 );	// back up to here
 
-	for( i = 0; i < MSG_COUNT - 1; i++ )
+	for( int i = 0; i < MSG_COUNT - 1; i++ )
 	{
 		thecmd &= MSG_MASK;
 		old = &cls_message_debug.oldcmd[thecmd];

engine/client/cl_demo.c

@@ -245,8 +245,6 @@ Writes the demo command header and time-delta
 */
 static void CL_WriteDemoCmdHeader( byte cmd, file_t *file )
 {
-	float	dt;
-
 	Assert( cmd >= 1 && cmd <= dem_lastcmd );
 	if( !file ) return;
 
@@ -254,7 +252,7 @@ static void CL_WriteDemoCmdHeader( byte cmd, file_t *file )
 	FS_Write( file, &cmd, sizeof( byte ));
 
 	// time offset
-	dt = (float)(CL_GetDemoRecordClock() - demo.starttime);
+	float dt = (float)(CL_GetDemoRecordClock() - demo.starttime);
 	FS_Write( file, &dt, sizeof( float ));
 }
 
@@ -395,11 +393,6 @@ Write demo header
 */
 static void CL_WriteDemoHeader( const char *name )
 {
-	double maxfps;
-	int copysize;
-	int savepos;
-	int curpos;
-
 	Con_Printf( "recording to %s.\n", name );
 	cls.demofile = FS_Open( name, "wb", false );
 	cls.demotime = 0.0;
@@ -413,7 +406,7 @@ static void CL_WriteDemoHeader( const char *name )
 	cls.demorecording = true;
 	cls.demowaiting = true;	// don't start saving messages until a non-delta compressed message is received
 
-	maxfps = fps_override.value ? MAX_FPS_HARD : MAX_FPS_SOFT;
+	double maxfps = fps_override.value ? MAX_FPS_HARD : MAX_FPS_SOFT;
 
 	memset( &demo.header, 0, sizeof( demo.header ));
 
@@ -442,6 +435,7 @@ static void CL_WriteDemoHeader( const char *name )
 	FS_Flush( cls.demoheader );
 
 	// now copy the stuff we cached from the server.
+	int copysize, savepos;
 	copysize = savepos = FS_Tell( cls.demoheader );
 
 	FS_Seek( cls.demoheader, 0, SEEK_SET );
@@ -458,7 +452,7 @@ static void CL_WriteDemoHeader( const char *name )
 	cls.td_lastframe = -1;			// get a new message this frame
 
 	// now move on to entry # 1, the first data chunk.
-	curpos = FS_Tell( cls.demofile );
+	int curpos = FS_Tell( cls.demofile );
 	demo.entry->length = curpos - demo.entry->offset;
 
 	// now we are writing the first real lump.
@@ -487,19 +481,15 @@ finish recording demo
 */
 static void CL_StopRecord( void )
 {
-	int	i, curpos;
-	float	stoptime;
-	int	frames;
-
 	if( !cls.demorecording ) return;
 
 	// demo playback should read this as an incoming message.
 	CL_WriteDemoCmdHeader( dem_stop, cls.demofile );
 
-	stoptime = CL_GetDemoRecordClock();
+	float stoptime = CL_GetDemoRecordClock();
 	if( clgame.hInstance ) clgame.dllFuncs.pfnReset();
 
-	curpos = FS_Tell( cls.demofile );
+	int curpos = FS_Tell( cls.demofile );
 	demo.entry->length = curpos - demo.entry->offset;
 	demo.entry->playback_time = stoptime - demo.realstarttime;
 	demo.entry->playback_frames = demo.framecount;
@@ -507,7 +497,7 @@ static void CL_StopRecord( void )
 	//  Now write out the directory and free it and touch up the demo header.
 	FS_Write( cls.demofile, &demo.directory.numentries, sizeof( int ));
 
-	for( i = 0; i < demo.directory.numentries; i++ )
+	for( int i = 0; i < demo.directory.numentries; i++ )
 		FS_Write( cls.demofile, &demo.directory.entries[i], sizeof( demoentry_t ));
 
 	Mem_Free( demo.directory.entries );
@@ -525,7 +515,7 @@ static void CL_StopRecord( void )
 	gameui.globals->demoname[0] = '\0';
 	demo.header.host_fps = 0.0;
 
-	frames = cls.td_lastframe - cls.td_startframe;
+	int frames = cls.td_lastframe - cls.td_startframe;
 	Con_Printf( "Completed demo\nRecording time: %02d:%02d, frames %i\n", (int)(cls.demotime / 60.0f), (int)fmod(cls.demotime, 60.0f), frames );
 	cls.demotime = 0.0;
 }
@@ -539,13 +529,12 @@ void CL_DrawDemoRecording( void )
 {
 	char	string[64];
 	rgba_t	color = { 255, 255, 255, 255 };
-	int	pos;
 	int	len;
 
 	if(!( host_developer.value && cls.demorecording ))
 		return;
 
-	pos = FS_Tell( cls.demofile );
+	int pos = FS_Tell( cls.demofile );
 	Q_snprintf( string, sizeof( string ), "^1RECORDING:^7 %s: %s time: %02d:%02d", cls.demoname,
 		Q_memprint( pos ), (int)(cls.demotime / 60.0f ), (int)fmod( cls.demotime, 60.0f ));
 
@@ -847,7 +836,6 @@ static qboolean CL_DemoReadMessageQuake( byte *buffer, size_t *length )
 {
 	vec3_t		viewangles;
 	int		msglen = 0;
-	demoangle_t	*a;
 
 	*length = 0; // assume we fail
 
@@ -888,7 +876,7 @@ static qboolean CL_DemoReadMessageQuake( byte *buffer, size_t *length )
 	{
 		// select entry into circular buffer
 		demo.angle_position = (demo.angle_position + 1) & ANGLE_MASK;
-		a = &demo.cmds[demo.angle_position];
+		demoangle_t *a = &demo.cmds[demo.angle_position];
 
 		// record update
 		a->starttime = demo.timestamp;
@@ -1060,8 +1048,7 @@ qboolean CL_DemoReadMessage( byte *buffer, size_t *length )
 
 static void CL_DemoFindInterpolatedViewAngles( float t, float *frac, demoangle_t **prev, demoangle_t **next )
 {
-	int	i, i0, i1, imod;
-	float	at;
+	int	i0, i1, imod;
 
 	if( cls.timedemo ) return;
 
@@ -1071,9 +1058,9 @@ static void CL_DemoFindInterpolatedViewAngles( float t, float *frac, demoangle_t
 
 	if( demo.cmds[i0].starttime >= t )
 	{
-		for( i = 0; i < ANGLE_BACKUP - 2; i++ )
+		for( int i = 0; i < ANGLE_BACKUP - 2; i++ )
 		{
-			at = demo.cmds[imod & ANGLE_MASK].starttime;
+			float at = demo.cmds[imod & ANGLE_MASK].starttime;
 			if( at == 0.0f ) break;
 
 			if( at < t )
@@ -1114,7 +1101,6 @@ void CL_DemoInterpolateAngles( void )
 {
 	demoangle_t	*prev = NULL, *next = NULL;
 	float		frac = 0.0f;
-	float		curtime;
 
 	if( cls.demoplayback == DEMO_QUAKE1 )
 	{
@@ -1126,7 +1112,7 @@ void CL_DemoInterpolateAngles( void )
 	}
 	else
 	{
-		curtime = (CL_GetDemoPlaybackClock() - demo.starttime) - host.frametime;
+		float curtime = (CL_GetDemoPlaybackClock() - demo.starttime) - host.frametime;
 		if( curtime > demo.timestamp )
 			curtime = demo.timestamp; // don't run too far
 
@@ -1239,7 +1225,6 @@ int GAME_EXPORT CL_GetDemoComment( const char *demoname, char *comment )
 	demodirectory_t	directory;
 	demoentry_t	entry;
 	float		playtime = 0.0f;
-	int		i;
 
 	if( !comment ) return false;
 
@@ -1279,7 +1264,7 @@ int GAME_EXPORT CL_GetDemoComment( const char *demoname, char *comment )
 		return false;
 	}
 
-	for( i = 0; i < directory.numentries; i++ )
+	for( int i = 0; i < directory.numentries; i++ )
 	{
 		FS_Read( demfile, &entry, sizeof( demoentry_t ));
 		playtime += entry.playback_time;
@@ -1388,7 +1373,6 @@ void CL_Record_f( void )
 {
 	string		demoname, demopath;
 	const char	*name;
-	int		n;
 
 	if( Cmd_Argc() == 1 )
 	{
@@ -1425,6 +1409,7 @@ void CL_Record_f( void )
 	if( !Q_stricmp( name, "new" ))
 	{
 		// scan for a free filename
+		int n;
 		for( n = 0; n < 10000; n++ )
 		{
 			CL_DemoGetName( n, demoname, sizeof( demoname ));
@@ -1511,7 +1496,7 @@ void CL_PlayDemo_f( void )
 {
 	char	filename[MAX_QPATH];
 	char	demoname[MAX_QPATH];
-	int	i, ident;
+	int	ident;
 
 	if( Cmd_Argc() < 2 )
 	{
@@ -1584,7 +1569,7 @@ void CL_PlayDemo_f( void )
 	// allocate demo entries
 	demo.directory.entries = Mem_Malloc( cls.mempool, sizeof( *demo.directory.entries ) * demo.directory.numentries );
 
-	for( i = 0; i < demo.directory.numentries; i++ )
+	for( int i = 0; i < demo.directory.numentries; i++ )
 	{
 		demoentry_t *entry = &demo.directory.entries[i];
 
@@ -1640,15 +1625,13 @@ CL_StartDemos_f
 */
 void CL_StartDemos_f( void )
 {
-	int	i, c;
-
 	if( cls.key_dest != key_menu )
 	{
 		Con_Printf( "'startdemos' is not valid from the console\n" );
 		return;
 	}
 
-	c = Cmd_Argc() - 1;
+	int c = Cmd_Argc() - 1;
 	if( c > MAX_DEMOS )
 	{
 		Con_DPrintf( S_WARN "%s: max %i demos in demoloop\n", __func__, MAX_DEMOS );
@@ -1657,7 +1640,7 @@ void CL_StartDemos_f( void )
 
 	Con_Printf( "%i demo%s in loop\n", c, (c > 1) ? "s" : "" );
 
-	for( i = 1; i < c + 1; i++ )
+	for( int i = 1; i < c + 1; i++ )
 		Q_strncpy( cls.demos[i-1], Cmd_Argv( i ), sizeof( cls.demos[0] ));
 	cls.demos_pending = true;
 }
@@ -1717,7 +1700,6 @@ void CL_ListDemo_f( void )
 	file_t *f;
 	char filename[MAX_QPATH];
 	char demoname[MAX_QPATH];
-	int i;
 
 	if( Cmd_Argc() < 2 )
 	{
@@ -1751,7 +1733,7 @@ void CL_ListDemo_f( void )
 		filename, hdr.net_protocol, hdr.dem_protocol, hdr.host_fps, hdr.mapname,
 		hdr.comment, hdr.gamedir );
 
-	for( i = 0; i < num_entries; i++ )
+	for( int i = 0; i < num_entries; i++ )
 	{
 		demoentry_t entry;
 

engine/client/cl_efrag.c

@@ -39,7 +39,6 @@ static efrag_t *cl_efrags;
 
 static efrag_t *CL_AllocEfrags( int num )
 {
-	int i;
 	efrag_t *efrags;
 
 	if( !cl.worldmodel )
@@ -55,7 +54,7 @@ static efrag_t *CL_AllocEfrags( int num )
 	efrags = Mem_Calloc( cl.worldmodel->mempool, sizeof( *efrags ) * num );
 
 	// initialize linked list
-	for( i = 0; i < num - 1; i++ )
+	for( int i = 0; i < num - 1; i++ )
 		efrags[i].entnext = &efrags[i + 1];
 
 	cl_efrags_num += num;
@@ -81,8 +80,6 @@ R_SplitEntityOnNode
 */
 static void R_SplitEntityOnNode( mnode_t *node )
 {
-	efrag_t	*ef;
-	mleaf_t	*leaf;
 	int	sides;
 
 	if( node->contents == CONTENTS_SOLID )
@@ -91,6 +88,9 @@ static void R_SplitEntityOnNode( mnode_t *node )
 	// add an efrag if the node is a leaf
 	if( node->contents < 0 )
 	{
+		efrag_t	*ef;
+		mleaf_t	*leaf;
+
 		if( !r_pefragtopnode )
 			r_pefragtopnode = node;
 
@@ -142,7 +142,6 @@ void R_AddEfrags( cl_entity_t *ent )
 {
 	matrix3x4	transform;
 	vec3_t	outmins, outmaxs;
-	int	i;
 
 	if( !ent->model )
 		return;
@@ -155,7 +154,7 @@ void R_AddEfrags( cl_entity_t *ent )
 	Matrix3x4_CreateFromEntity( transform, ent->angles, vec3_origin, 1.0f );
 	Matrix3x4_TransformAABB( transform, ent->model->mins, ent->model->maxs, outmins, outmaxs );
 
-	for( i = 0; i < 3; i++ )
+	for( int i = 0; i < 3; i++ )
 	{
 		r_emins[i] = ent->origin[i] + outmins[i];
 		r_emaxs[i] = ent->origin[i] + outmaxs[i];
@@ -174,13 +173,11 @@ R_StoreEfrags
 void R_StoreEfrags( efrag_t **ppefrag, int framecount )
 {
 	efrag_t *pefrag;
-	cl_entity_t *pent;
-	model_t *clmodel;
 
 	while(( pefrag = *ppefrag ) != NULL )
 	{
-		pent = pefrag->entity;
-		clmodel = pent->model;
+		cl_entity_t *pent = pefrag->entity;
+		model_t *clmodel = pent->model;
 
 		// how this could happen?
 		if( unlikely( clmodel->type < mod_brush || clmodel->type > mod_studio ))

engine/client/cl_efx.c

@@ -44,21 +44,17 @@ find nearest color in particle palette
 */
 short GAME_EXPORT R_LookupColor( byte r, byte g, byte b )
 {
-	int	i, best;
-	float	diff, bestdiff;
-	float	rf, gf, bf;
+	float	bestdiff = 999999;
+	int	best = -1;
 
-	bestdiff = 999999;
-	best = -1;
-
-	for( i = 0; i < 256; i++ )
+	for( int i = 0; i < 256; i++ )
 	{
-		rf = r - clgame.palette[i].r;
-		gf = g - clgame.palette[i].g;
-		bf = b - clgame.palette[i].b;
+		float rf = r - clgame.palette[i].r;
+		float gf = g - clgame.palette[i].g;
+		float bf = b - clgame.palette[i].b;
 
 		// convert color to monochrome
-		diff = rf * (rf * 0.2f) + gf * (gf * 0.5f) + bf * (bf * 0.3f);
+		float diff = rf * (rf * 0.2f) + gf * (gf * 0.5f) + bf * (bf * 0.3f);
 
 		if ( diff < bestdiff )
 		{
@@ -90,13 +86,11 @@ CL_InitParticles
 */
 void CL_InitParticles( void )
 {
-	int	i;
-
 	cl_particles = Mem_Calloc( cls.mempool, sizeof( particle_t ) * GI->max_particles );
 	CL_ClearParticles ();
 
 	// this is used for EF_BRIGHTFIELD
-	for( i = 0; i < NUMVERTEXNORMALS; i++ )
+	for( int i = 0; i < NUMVERTEXNORMALS; i++ )
 	{
 		cl_avelocities[i][0] = COM_RandomFloat( 0.0f, 2.55f );
 		cl_avelocities[i][1] = COM_RandomFloat( 0.0f, 2.55f );
@@ -116,15 +110,13 @@ CL_ClearParticles
 */
 void CL_ClearParticles( void )
 {
-	int	i;
-
 	if( !cl_particles ) return;
 
 	cl_free_particles = cl_particles;
 	cl_active_particles = NULL;
 	cl_active_tracers = NULL;
 
-	for( i = 0; i < GI->max_particles - 1; i++ )
+	for( int i = 0; i < GI->max_particles - 1; i++ )
 		cl_particles[i].next = &cl_particles[i+1];
 
 	cl_particles[GI->max_particles-1].next = NULL;
@@ -357,15 +349,13 @@ CL_ClearViewBeams
 */
 void CL_ClearViewBeams( void )
 {
-	int	i;
-
 	if( !cl_viewbeams ) return;
 
 	// clear beams
 	cl_free_beams = cl_viewbeams;
 	cl_active_beams = NULL;
 
-	for( i = 0; i < GI->max_beams - 1; i++ )
+	for( int i = 0; i < GI->max_beams - 1; i++ )
 		cl_viewbeams[i].next = &cl_viewbeams[i+1];
 	cl_viewbeams[GI->max_beams - 1].next = NULL;
 }
@@ -416,7 +406,6 @@ void CL_KillDeadBeams( cl_entity_t *pDeadEntity )
 
 	while( pbeam )
 	{
-		cl_entity_t *beament;
 		pnext = pbeam->next;
 
 		// link into new list.
@@ -471,16 +460,13 @@ Optimized version of pointfile - use beams instead of particles
 */
 void CL_ReadLineFile_f( void )
 {
-	byte *afile;
-	char *pfile;
 	vec3_t		p1, p2;
-	int		count, modelIndex;
+	int		modelIndex;
 	char		filename[MAX_QPATH];
-	model_t		*model;
 	string		token;
 
 	Q_snprintf( filename, sizeof( filename ), "maps/%s.lin", clgame.mapname );
-	afile = FS_LoadFile( filename, NULL, false );
+	byte *afile = FS_LoadFile( filename, NULL, false );
 
 	if( !afile )
 	{
@@ -490,9 +476,9 @@ void CL_ReadLineFile_f( void )
 
 	Con_Printf( "Reading %s...\n", filename );
 
-	count = 0;
-	pfile = (char *)afile;
-	model = CL_LoadModel( DEFAULT_LASERBEAM_PATH, &modelIndex );
+	int count = 0;
+	char *pfile = (char *)afile;
+	model_t *model = CL_LoadModel( DEFAULT_LASERBEAM_PATH, &modelIndex );
 
 	while( 1 )
 	{
@@ -1064,25 +1050,20 @@ set EF_BRIGHTFIELD effect
 */
 void GAME_EXPORT R_EntityParticles( cl_entity_t *ent )
 {
-	float		angle;
-	float		sr, sp, sy, cr, cp, cy;
-	vec3_t		forward;
-	particle_t	*p;
-	int		i;
-
-	for( i = 0; i < NUMVERTEXNORMALS; i++ )
+	for( int i = 0; i < NUMVERTEXNORMALS; i++ )
 	{
-		p = R_AllocParticle( NULL );
+		particle_t *p = R_AllocParticle( NULL );
 		if( !p ) return;
 
-		angle = cl.time * cl_avelocities[i][0];
+		float sr, sp, sy, cr, cp, cy;
+		float angle = cl.time * cl_avelocities[i][0];
 		SinCos( angle, &sy, &cy );
 		angle = cl.time * cl_avelocities[i][1];
 		SinCos( angle, &sp, &cp );
 		angle = cl.time * cl_avelocities[i][2];
 		SinCos( angle, &sr, &cr );
 
-		VectorSet( forward, cp * cy, cp * sy, -sp );
+		vec3_t forward = { cp * cy, cp * sy, -sp };
 
 		p->die = cl.time + 0.001f;
 		p->color = 111; // yellow
@@ -1099,19 +1080,16 @@ R_ParticleExplosion
 */
 void GAME_EXPORT R_ParticleExplosion( const vec3_t org )
 {
-	particle_t	*p;
-	int		i, j;
-
-	for( i = 0; i < 1024; i++ )
+	for( int i = 0; i < 1024; i++ )
 	{
-		p = R_AllocParticle( NULL );
+		particle_t *p = R_AllocParticle( NULL );
 		if( !p ) return;
 
 		p->die = cl.time + 5.0f;
 		p->ramp = COM_RandomLong( 0, 3 );
 		p->color = ramp1[0];
 
-		for( j = 0; j < 3; j++ )
+		for( int j = 0; j < 3; j++ )
 		{
 			p->org[j] = org[j] + COM_RandomFloat( -16.0f, 16.0f );
 			p->vel[j] = COM_RandomFloat( -256.0f, 256.0f );
@@ -1130,15 +1108,12 @@ R_ParticleExplosion2
 */
 void GAME_EXPORT R_ParticleExplosion2( const vec3_t org, int colorStart, int colorLength )
 {
-	int		i, j;
-	int		colorMod = 0, packedColor;
-	particle_t	*p;
+	int colorMod = 0;
+	int packedColor = Host_IsQuakeCompatible( ) ? 255 : 0; // use old code for blob particles
 
-	packedColor = Host_IsQuakeCompatible( ) ? 255 : 0; // use old code for blob particles
-
-	for( i = 0; i < 512; i++ )
+	for( int i = 0; i < 512; i++ )
 	{
-		p = R_AllocParticle( NULL );
+		particle_t *p = R_AllocParticle( NULL );
 		if( !p ) return;
 
 		p->die = cl.time + 0.3f;
@@ -1148,7 +1123,7 @@ void GAME_EXPORT R_ParticleExplosion2( const vec3_t org, int colorStart, int col
 
 		p->type = pt_blob;
 
-		for( j = 0; j < 3; j++ )
+		for( int j = 0; j < 3; j++ )
 		{
 			p->org[j] = org[j] + COM_RandomFloat( -16.0f, 16.0f );
 			p->vel[j] = COM_RandomFloat( -256.0f, 256.0f );
@@ -1164,14 +1139,11 @@ R_BlobExplosion
 */
 void GAME_EXPORT R_BlobExplosion( const vec3_t org )
 {
-	particle_t	*p;
-	int		i, j, packedColor;
+	int packedColor = Host_IsQuakeCompatible( ) ? 255 : 0; // use old code for blob particles
 
-	packedColor = Host_IsQuakeCompatible( ) ? 255 : 0; // use old code for blob particles
-
-	for( i = 0; i < 1024; i++ )
+	for( int i = 0; i < 1024; i++ )
 	{
-		p = R_AllocParticle( NULL );
+		particle_t *p = R_AllocParticle( NULL );
 		if( !p ) return;
 
 		p->die = cl.time + COM_RandomFloat( 1.0f, 1.4f );
@@ -1188,7 +1160,7 @@ void GAME_EXPORT R_BlobExplosion( const vec3_t org )
 			p->color = COM_RandomLong( 150, 155 );
 		}
 
-		for( j = 0; j < 3; j++ )
+		for( int j = 0; j < 3; j++ )
 		{
 			p->org[j] = org[j] + COM_RandomFloat( -16.0f, 16.0f );
 			p->vel[j] = COM_RandomFloat( -256.0f, 256.0f );
@@ -1205,9 +1177,6 @@ PARTICLE_EFFECT on server
 */
 void GAME_EXPORT R_RunParticleEffect( const vec3_t org, const vec3_t dir, int color, int count )
 {
-	particle_t	*p;
-	int		i;
-
 	if( count == 1024 )
 	{
 		// rocket explosion
@@ -1215,9 +1184,9 @@ void GAME_EXPORT R_RunParticleEffect( const vec3_t org, const vec3_t dir, int co
 		return;
 	}
 
-	for( i = 0; i < count; i++ )
+	for( int i = 0; i < count; i++ )
 	{
-		p = R_AllocParticle( NULL );
+		particle_t *p = R_AllocParticle( NULL );
 		if( !p ) return;
 
 		p->color = (color & ~7) + COM_RandomLong( 0, 7 );
@@ -1239,20 +1208,18 @@ particle spray
 void GAME_EXPORT R_Blood( const vec3_t org, const vec3_t ndir, int pcolor, int speed )
 {
 	vec3_t		pos, dir, vec;
-	int		i, j;
 	int		pspeed = speed * 3;
-	particle_t	*p;
 
 	VectorNormalize2( ndir, dir );
 
-	for( i = 0; i < (speed / 2); i++ )
+	for( int i = 0; i < (speed / 2); i++ )
 	{
 		VectorAddScalar( org, COM_RandomFloat( -3.0f, 3.0f ), pos );
 		VectorAddScalar( dir, COM_RandomFloat( -0.06f, 0.06f ), vec );
 
-		for( j = 0; j < 8; j++ )
+		for( int j = 0; j < 8; j++ )
 		{
-			p = R_AllocParticle( NULL );
+			particle_t *p = R_AllocParticle( NULL );
 			if( !p ) return;
 
 			p->die = cl.time + 1.5f;
@@ -1276,17 +1243,15 @@ particle spray 2
 */
 void GAME_EXPORT R_BloodStream( const vec3_t org, const vec3_t ndir, int pcolor, int speed )
 {
-	particle_t	*p;
-	int		i, j;
-	float		arc;
 	int		accel = speed; // must be integer due to bug in GoldSrc
 	vec3_t dir;
 
 	VectorNormalize2( ndir, dir );
 
-	for( arc = 0.05f, i = 0; i < 100; i++ )
+	float arc = 0.05f;
+	for( int i = 0; i < 100; i++ )
 	{
-		p = R_AllocParticle( NULL );
+		particle_t *p = R_AllocParticle( NULL );
 		if( !p ) return;
 
 		p->die = cl.time + 2.0f;
@@ -1302,11 +1267,10 @@ void GAME_EXPORT R_BloodStream( const vec3_t org, const vec3_t ndir, int pcolor,
 		accel -= 0.00001f; // so last few will drip
 	}
 
-	for( arc = 0.075f, i = 0; i < ( speed / 5 ); i++ )
+	arc = 0.075f;
+	for( int i = 0; i < ( speed / 5 ); i++ )
 	{
-		float	num;
-
-		p = R_AllocParticle( NULL );
+		particle_t *p = R_AllocParticle( NULL );
 		if( !p ) return;
 
 		p->die = cl.time + 3.0f;
@@ -1319,14 +1283,14 @@ void GAME_EXPORT R_BloodStream( const vec3_t org, const vec3_t ndir, int pcolor,
 		p->vel[2] -= arc;
 		arc -= 0.005f;
 
-		num = COM_RandomFloat( 0.0f, 1.0f );
+		float num = COM_RandomFloat( 0.0f, 1.0f );
 		accel = speed * num;
 		num *= 1.7f;
 
 		VectorScale( p->vel, num, p->vel );
 		VectorScale( p->vel, accel, p->vel );
 
-		for( j = 0; j < 2; j++ )
+		for( int j = 0; j < 2; j++ )
 		{
 			p = R_AllocParticle( NULL );
 			if( !p ) return;
@@ -1353,18 +1317,15 @@ R_LavaSplash
 */
 void GAME_EXPORT R_LavaSplash( const vec3_t org )
 {
-	particle_t	*p;
-	float		vel;
 	vec3_t		dir;
-	int		i, j, k;
 
-	for( i = -16; i < 16; i++ )
+	for( int i = -16; i < 16; i++ )
 	{
-		for( j = -16; j <16; j++ )
+		for( int j = -16; j <16; j++ )
 		{
-			for( k = 0; k < 1; k++ )
+			for( int k = 0; k < 1; k++ )
 			{
-				p = R_AllocParticle( NULL );
+				particle_t *p = R_AllocParticle( NULL );
 				if( !p ) return;
 
 				p->die = cl.time + COM_RandomFloat( 2.0f, 2.62f );
@@ -1380,7 +1341,7 @@ void GAME_EXPORT R_LavaSplash( const vec3_t org )
 				p->org[2] = org[2] + COM_RandomFloat( 0.0f, 63.0f );
 
 				VectorNormalize( dir );
-				vel = COM_RandomFloat( 50.0f, 113.0f );
+				float vel = COM_RandomFloat( 50.0f, 113.0f );
 				VectorScale( dir, vel, p->vel );
 			}
 		}
@@ -1395,16 +1356,13 @@ R_ParticleBurst
 */
 void GAME_EXPORT R_ParticleBurst( const vec3_t org, int size, int color, float life )
 {
-	particle_t	*p;
 	vec3_t		dir, dest;
-	int		i, j;
-	float		dist;
 
-	for( i = 0; i < 32; i++ )
+	for( int i = 0; i < 32; i++ )
 	{
-		for( j = 0; j < 32; j++ )
+		for( int j = 0; j < 32; j++ )
 		{
-			p = R_AllocParticle( NULL );
+			particle_t *p = R_AllocParticle( NULL );
 			if( !p ) return;
 
 			p->die = cl.time + life + COM_RandomFloat( -0.5f, 0.5f );
@@ -1414,7 +1372,7 @@ void GAME_EXPORT R_ParticleBurst( const vec3_t org, int size, int color, float l
 			VectorCopy( org, p->org );
 			VectorAddScalar( org, COM_RandomFloat( -size, size ), dest );
 			VectorSubtract( dest, p->org, dir );
-			dist = VectorNormalizeLength( dir );
+			float dist = VectorNormalizeLength( dir );
 			VectorScale( dir, ( dist / life ), p->vel );
 		}
 	}
@@ -1428,16 +1386,13 @@ R_LargeFunnel
 */
 void GAME_EXPORT R_LargeFunnel( const vec3_t org, int reverse )
 {
-	particle_t	*p;
-	float		vel, dist;
 	vec3_t		dir, dest;
-	int		i, j;
 
-	for( i = -8; i < 8; i++ )
+	for( int i = -8; i < 8; i++ )
 	{
-		for( j = -8; j < 8; j++ )
+		for( int j = -8; j < 8; j++ )
 		{
-			p = R_AllocParticle( NULL );
+			particle_t *p = R_AllocParticle( NULL );
 			if( !p ) return;
 
 			dest[0] = (i * 32.0f) + org[0];
@@ -1455,10 +1410,10 @@ void GAME_EXPORT R_LargeFunnel( const vec3_t org, int reverse )
 				VectorSubtract( org, p->org, dir );
 			}
 
-			vel = dest[2] / 8.0f;
+			float vel = dest[2] / 8.0f;
 			if( vel < 64.0f ) vel = 64.0f;
 
-			dist = VectorNormalizeLength( dir );
+			float dist = VectorNormalizeLength( dir );
 			vel += COM_RandomFloat( 64.0f, 128.0f );
 			VectorScale( dir, vel, p->vel );
 			p->die = cl.time + (dist / vel );
@@ -1475,18 +1430,15 @@ R_TeleportSplash
 */
 void GAME_EXPORT R_TeleportSplash( const vec3_t org )
 {
-	particle_t	*p;
 	vec3_t		dir;
-	float		vel;
-	int		i, j, k;
 
-	for( i = -16; i < 16; i += 4 )
+	for( int i = -16; i < 16; i += 4 )
 	{
-		for( j = -16; j < 16; j += 4 )
+		for( int j = -16; j < 16; j += 4 )
 		{
-			for( k = -24; k < 32; k += 4 )
+			for( int k = -24; k < 32; k += 4 )
 			{
-				p = R_AllocParticle( NULL );
+				particle_t *p = R_AllocParticle( NULL );
 				if( !p ) return;
 
 				p->die = cl.time + COM_RandomFloat( 0.2f, 0.34f );
@@ -1502,7 +1454,7 @@ void GAME_EXPORT R_TeleportSplash( const vec3_t org )
 				p->org[2] = org[2] + k + COM_RandomFloat( 0.0f, 3.0f );
 
 				VectorNormalize( dir );
-				vel = COM_RandomFloat( 50.0f, 113.0f );
+				float vel = COM_RandomFloat( 50.0f, 113.0f );
 				VectorScale( dir, vel, p->vel );
 			}
 		}
@@ -1639,13 +1591,12 @@ draw line from particles
 */
 static void PM_ParticleLine( const vec3_t start, const vec3_t end, int pcolor, float life, float zvel )
 {
-	float	len, curdist;
 	vec3_t	diff, pos;
 
 	// determine distance
 	VectorSubtract( end, start, diff );
-	len = VectorNormalizeLength( diff );
-	curdist = 0;
+	float len = VectorNormalizeLength( diff );
+	float curdist = 0;
 
 	while( curdist <= len )
 	{
@@ -1679,9 +1630,8 @@ static void PM_DrawBBox( const vec3_t mins, const vec3_t maxs, const vec3_t orig
 {
 	vec3_t	p[8], tmp;
 	float	gap = BOX_GAP;
-	int	i;
 
-	for( i = 0; i < 8; i++ )
+	for( int i = 0; i < 8; i++ )
 	{
 		tmp[0] = (i & 1) ? mins[0] - gap : maxs[0] + gap;
 		tmp[1] = (i & 2) ? mins[1] - gap : maxs[1] + gap ;
@@ -1691,7 +1641,7 @@ static void PM_DrawBBox( const vec3_t mins, const vec3_t maxs, const vec3_t orig
 		VectorCopy( tmp, p[i] );
 	}
 
-	for( i = 0; i < 6; i++ )
+	for( int i = 0; i < 6; i++ )
 	{
 		PM_DrawRectangle( p[boxpnt[i][1]], p[boxpnt[i][0]], p[boxpnt[i][2]], p[boxpnt[i][3]], pcolor, life );
 	}
@@ -1705,9 +1655,7 @@ R_ParticleLine
 */
 void GAME_EXPORT R_ParticleLine( const vec3_t start, const vec3_t end, byte r, byte g, byte b, float life )
 {
-	int	pcolor;
-
-	pcolor = R_LookupColor( r, g, b );
+	int pcolor = R_LookupColor( r, g, b );
 	PM_ParticleLine( start, end, pcolor, life, 0 );
 }
 
@@ -1721,9 +1669,8 @@ void GAME_EXPORT R_ParticleBox( const vec3_t absmin, const vec3_t absmax, byte r
 {
 	vec3_t	mins, maxs;
 	vec3_t	origin;
-	int	pcolor;
 
-	pcolor = R_LookupColor( r, g, b );
+	int pcolor = R_LookupColor( r, g, b );
 
 	VectorAverage( absmax, absmin, origin );
 	VectorSubtract( absmax, origin, maxs );
@@ -1740,20 +1687,18 @@ R_ShowLine
 */
 void GAME_EXPORT R_ShowLine( const vec3_t start, const vec3_t end )
 {
-	vec3_t		dir, org;
-	float		len;
-	particle_t	*p;
+	vec3_t		dir;
 
 	VectorSubtract( end, start, dir );
-	len = VectorNormalizeLength( dir );
+	float len = VectorNormalizeLength( dir );
 	VectorScale( dir, 5.0f, dir );
-	VectorCopy( start, org );
+	vec3_t org = Vec3( start );
 
 	while( len > 0 )
 	{
 		len -= 5.0f;
 
-		p = R_AllocParticle( NULL );
+		particle_t *p = R_AllocParticle( NULL );
 		if( !p ) return;
 
 		p->die = cl.time + 30;
@@ -1772,25 +1717,21 @@ R_BulletImpactParticles
 */
 void GAME_EXPORT R_BulletImpactParticles( const vec3_t pos )
 {
-	int		i, quantity;
-	int		color;
-	float		dist;
 	vec3_t		dir;
-	particle_t	*p;
 
 	VectorSubtract( pos, refState.vieworg, dir );
-	dist = VectorLength( dir );
+	float dist = VectorLength( dir );
 	if( dist > 1000.0f ) dist = 1000.0f;
 
-	quantity = (1000.0f - dist) / 100.0f;
+	int quantity = (1000.0f - dist) / 100.0f;
 	if( quantity == 0 ) quantity = 1;
 
-	color = 3 - ((30 * quantity) / 100 );
+	int color = 3 - ((30 * quantity) / 100 );
 	R_SparkStreaks( pos, 2, -200, 200 );
 
-	for( i = 0; i < quantity * 4; i++ )
+	for( int i = 0; i < quantity * 4; i++ )
 	{
-		p = R_AllocParticle( NULL );
+		particle_t *p = R_AllocParticle( NULL );
 		if( !p ) return;
 
 		VectorCopy( pos, p->org);
@@ -1814,12 +1755,9 @@ R_FlickerParticles
 */
 void GAME_EXPORT R_FlickerParticles( const vec3_t org )
 {
-	particle_t	*p;
-	int		i;
-
-	for( i = 0; i < 15; i++ )
+	for( int i = 0; i < 15; i++ )
 	{
-		p = R_AllocParticle( NULL );
+		particle_t *p = R_AllocParticle( NULL );
 		if( !p ) return;
 
 		VectorCopy( org, p->org );
@@ -1843,15 +1781,13 @@ create a splash of streaks
 void GAME_EXPORT R_StreakSplash( const vec3_t pos, const vec3_t dir, int color, int count, float speed, int velocityMin, int velocityMax )
 {
 	vec3_t		vel, vel2;
-	particle_t	*p;
-	int		i;
 
 	VectorScale( dir, speed, vel );
 
-	for( i = 0; i < count; i++ )
+	for( int i = 0; i < count; i++ )
 	{
 		VectorAddScalar( vel, COM_RandomFloat( velocityMin, velocityMax ), vel2 );
-		p = R_AllocTracer( pos, vel2, COM_RandomFloat( 0.1f, 0.5f ));
+		particle_t *p = R_AllocTracer( pos, vel2, COM_RandomFloat( 0.1f, 0.5f ));
 		if( !p ) return;
 
 		p->type = pt_grav;
@@ -1869,9 +1805,7 @@ pmove debugging particle
 */
 void CL_Particle( const vec3_t org, int color, float life, int zpos, int zvel )
 {
-	particle_t	*p;
-
-	p = R_AllocParticle( NULL );
+	particle_t *p = R_AllocParticle( NULL );
 	if( !p ) return;
 
 	if( org ) VectorCopy( org, p->org );
@@ -1889,17 +1823,15 @@ R_TracerEffect
 void GAME_EXPORT R_TracerEffect( const vec3_t start, const vec3_t end )
 {
 	vec3_t	pos, vel, dir;
-	float	len, speed;
-	float	offset;
 
-	speed = Q_max( tracerspeed.value, 3.0f );
+	float speed = Q_max( tracerspeed.value, 3.0f );
 
 	VectorSubtract( end, start, dir );
-	len = VectorLength( dir );
+	float len = VectorLength( dir );
 	if( len == 0.0f ) return;
 
 	VectorScale( dir, 1.0f / len, dir ); // normalize
-	offset = COM_RandomFloat( -10.0f, 9.0f ) + traceroffset.value;
+	float offset = COM_RandomFloat( -10.0f, 9.0f ) + traceroffset.value;
 	VectorScale( dir, offset, vel );
 	VectorAdd( start, vel, pos );
 	VectorScale( dir, speed, vel );
@@ -1950,17 +1882,15 @@ create a streak tracers
 */
 void GAME_EXPORT R_SparkStreaks( const vec3_t pos, int count, int velocityMin, int velocityMax )
 {
-	particle_t	*p;
 	vec3_t		vel;
-	int		i;
 
-	for( i = 0; i<count; i++ )
+	for( int i = 0; i<count; i++ )
 	{
 		vel[0] = COM_RandomFloat( velocityMin, velocityMax );
 		vel[1] = COM_RandomFloat( velocityMin, velocityMax );
 		vel[2] = COM_RandomFloat( velocityMin, velocityMax );
 
-		p = R_AllocTracer( pos, vel, COM_RandomFloat( 0.1f, 0.5f ));
+		particle_t *p = R_AllocTracer( pos, vel, COM_RandomFloat( 0.1f, 0.5f ));
 		if( !p ) return;
 
 		p->color = 5;
@@ -1980,14 +1910,11 @@ void GAME_EXPORT R_Implosion( const vec3_t end, float radius, int count, float l
 {
 	float		dist = ( radius / 100.0f );
 	vec3_t		start, temp, vel;
-	float		factor;
-	particle_t	*p;
-	int		i;
 
 	if( life <= 0.0f ) life = 0.1f; // to avoid divide by zero
-	factor = -1.0 / life;
+	float factor = -1.0 / life;
 
-	for ( i = 0; i < count; i++ )
+	for( int i = 0; i < count; i++ )
 	{
 		temp[0] = dist * COM_RandomFloat( -100.0f, 100.0f );
 		temp[1] = dist * COM_RandomFloat( -100.0f, 100.0f );
@@ -1995,7 +1922,8 @@ void GAME_EXPORT R_Implosion( const vec3_t end, float radius, int count, float l
 		VectorScale( temp, factor, vel );
 		VectorAdd( temp, end, start );
 
-		if(( p = R_AllocTracer( start, vel, life )) == NULL )
+		particle_t *p = R_AllocTracer( start, vel, life );
+		if( p == NULL )
 			return;
 
 		p->type = pt_explode;
@@ -2060,16 +1988,12 @@ CL_ReadPointFile_f
 */
 void CL_ReadPointFile_f( void )
 {
-	byte *afile;
-	char *pfile;
 	vec3_t		org;
-	int		count;
-	particle_t	*p;
 	char		filename[64];
 	string		token;
 
 	Q_snprintf( filename, sizeof( filename ), "maps/%s.pts", clgame.mapname );
-	afile = FS_LoadFile( filename, NULL, false );
+	byte *afile = FS_LoadFile( filename, NULL, false );
 
 	if( !afile )
 	{
@@ -2079,8 +2003,8 @@ void CL_ReadPointFile_f( void )
 
 	Con_Printf( "Reading %s...\n", filename );
 
-	count = 0;
-	pfile = (char *)afile;
+	int count = 0;
+	char *pfile = (char *)afile;
 
 	while( 1 )
 	{
@@ -2106,7 +2030,7 @@ void CL_ReadPointFile_f( void )
 
 		// NOTE: can't use R_AllocParticle because this command
 		// may be executed from the console, while frametime is 0
-		p = cl_free_particles;
+		particle_t *p = cl_free_particles;
 		cl_free_particles = p->next;
 		p->next = cl_active_particles;
 		cl_active_particles = p;

engine/client/cl_events.c

@@ -42,10 +42,6 @@ compute velocity for a given client
 */
 static void CL_CalcPlayerVelocity( int idx, vec3_t velocity )
 {
-	clientdata_t	*pcd;
-	vec3_t		delta;
-	double		dt;
-
 	VectorClear( velocity );
 
 	if( idx <= 0 || idx > cl.maxclients )
@@ -53,15 +49,16 @@ static void CL_CalcPlayerVelocity( int idx, vec3_t velocity )
 
 	if( idx == cl.playernum + 1 )
 	{
-		pcd = &cl.frames[cl.parsecountmod].clientdata;
+		clientdata_t *pcd = &cl.frames[cl.parsecountmod].clientdata;
 		VectorCopy( pcd->velocity, velocity );
 	}
 	else
 	{
-		dt = clgame.entities[idx].curstate.animtime - clgame.entities[idx].prevstate.animtime;
+		double dt = clgame.entities[idx].curstate.animtime - clgame.entities[idx].prevstate.animtime;
 
 		if( dt != 0.0 )
 		{
+			vec3_t delta;
 			VectorSubtract( clgame.entities[idx].curstate.velocity, clgame.entities[idx].prevstate.velocity, delta );
 			VectorScale( delta, 1.0f / dt, velocity );
 		}
@@ -130,16 +127,13 @@ CL_SetEventIndex
 */
 void CL_SetEventIndex( const char *szEvName, int ev_index )
 {
-	cl_user_event_t	*ev;
-	int		i;
-
 	if( !szEvName || !*szEvName )
 		return; // ignore blank names
 
 	// search event by name to link with
-	for( i = 0; i < MAX_EVENTS; i++ )
+	for( int i = 0; i < MAX_EVENTS; i++ )
 	{
-		ev = clgame.events[i];
+		cl_user_event_t *ev = clgame.events[i];
 		if( !ev ) break;
 
 		if( !Q_stricmp( ev->name, szEvName ))
@@ -158,12 +152,10 @@ CL_EventIndex
 */
 word CL_EventIndex( const char *name )
 {
-	word	i;
-
 	if( COM_StringEmptyOrNULL( name ))
 		return 0;
 
-	for( i = 1; i < MAX_EVENTS && cl.event_precache[i][0]; i++ )
+	for( word i = 1; i < MAX_EVENTS && cl.event_precache[i][0]; i++ )
 	{
 		if( !Q_stricmp( cl.event_precache[i], name ))
 			return i;
@@ -204,28 +196,24 @@ CL_FireEvent
 */
 static qboolean CL_FireEvent( event_info_t *ei, int slot )
 {
-	cl_user_event_t	*ev;
-	const char	*name;
-	int		i, idx;
-
 	if( !ei || !ei->index )
 		return false;
 
 	// get the func pointer
-	for( i = 0; i < MAX_EVENTS; i++ )
+	for( int i = 0; i < MAX_EVENTS; i++ )
 	{
-		ev = clgame.events[i];
+		cl_user_event_t *ev = clgame.events[i];
 
 		if( !ev )
 		{
-			idx = bound( 1, ei->index, ( MAX_EVENTS - 1 ));
+			int idx = bound( 1, ei->index, ( MAX_EVENTS - 1 ));
 			Con_Reportf( S_ERROR "%s: %s not precached\n", __func__, cl.event_precache[idx] );
 			break;
 		}
 
 		if( ev->index == ei->index )
 		{
-			name = cl.event_precache[ei->index];
+			const char *name = cl.event_precache[ei->index];
 
 			if( cl_trace_events.value )
 			{
@@ -261,15 +249,11 @@ called right before draw frame
 */
 void CL_FireEvents( void )
 {
-	event_state_t	*es;
-	event_info_t	*ei;
-	int		i;
+	event_state_t *es = &cl.events;
 
-	es = &cl.events;
-
-	for( i = 0; i < MAX_EVENT_QUEUE; i++ )
+	for( int i = 0; i < MAX_EVENT_QUEUE; i++ )
 	{
-		ei = &es->ei[i];
+		event_info_t *ei = &es->ei[i];
 
 		if( ei->index == 0 )
 			continue;
@@ -294,16 +278,12 @@ find first empty event
 */
 static event_info_t *CL_FindEmptyEvent( void )
 {
-	int		i;
-	event_state_t	*es;
-	event_info_t	*ei;
-
-	es = &cl.events;
+	event_state_t *es = &cl.events;
 
 	// look for first slot where index is != 0
-	for( i = 0; i < MAX_EVENT_QUEUE; i++ )
+	for( int i = 0; i < MAX_EVENT_QUEUE; i++ )
 	{
-		ei = &es->ei[i];
+		event_info_t *ei = &es->ei[i];
 		if( ei->index != 0 )
 			continue;
 		return ei;
@@ -322,15 +302,11 @@ replace only unreliable events
 */
 static event_info_t *CL_FindUnreliableEvent( void )
 {
-	event_state_t	*es;
-	event_info_t	*ei;
-	int		i;
+	event_state_t *es = &cl.events;
 
-	es = &cl.events;
-
-	for ( i = 0; i < MAX_EVENT_QUEUE; i++ )
+	for ( int i = 0; i < MAX_EVENT_QUEUE; i++ )
 	{
-		ei = &es->ei[i];
+		event_info_t *ei = &es->ei[i];
 		if( ei->index != 0 )
 		{
 			// it's reliable, so skip it
@@ -423,16 +399,10 @@ CL_ParseEvent
 */
 void CL_ParseEvent( sizebuf_t *msg, connprotocol_t proto )
 {
-	int		event_index;
-	int		i, num_events;
-	int		packet_index;
 	const event_args_t nullargs = { 0 };
 	event_args_t args = { 0 };
-	entity_state_t	*state;
-	float		delay;
 	int		entity_bits;
-
-	num_events = MSG_ReadUBitLong( msg, 5 );
+	int		num_events = MSG_ReadUBitLong( msg, 5 );
 
 	if( proto == PROTO_GOLDSRC )
 		entity_bits = MAX_GOLDSRC_ENTITY_BITS;
@@ -440,9 +410,11 @@ void CL_ParseEvent( sizebuf_t *msg, connprotocol_t proto )
 		entity_bits = MAX_ENTITY_BITS;
 
 	// parse events queue
-	for( i = 0 ; i < num_events; i++ )
+	for( int i = 0 ; i < num_events; i++ )
 	{
-		event_index = MSG_ReadUBitLong( msg, MAX_EVENT_BITS );
+		int packet_index;
+		float delay;
+		int event_index = MSG_ReadUBitLong( msg, MAX_EVENT_BITS );
 
 		if( MSG_ReadOneBit( msg ))
 		{
@@ -467,7 +439,7 @@ void CL_ParseEvent( sizebuf_t *msg, connprotocol_t proto )
 
 			if( packet_index < frame->num_entities )
 			{
-				state = &cls.packet_entities[(frame->first_entity+packet_index)%cls.num_client_entities];
+				entity_state_t *state = &cls.packet_entities[(frame->first_entity+packet_index)%cls.num_client_entities];
 				args.entindex = state->number;
 
 				if( VectorIsNull( args.origin ))
@@ -515,8 +487,6 @@ CL_PlaybackEvent
 void GAME_EXPORT CL_PlaybackEvent( int flags, const edict_t *pInvoker, word eventindex, float delay, float *origin,
 	float *angles, float fparam1, float fparam2, int iparam1, int iparam2, int bparam1, int bparam2 )
 {
-	event_args_t	args;
-
 	if( FBitSet( flags, FEV_SERVER ))
 		return;
 
@@ -538,20 +508,20 @@ void GAME_EXPORT CL_PlaybackEvent( int flags, const edict_t *pInvoker, word even
 	ClearBits( flags, FEV_NOTHOST|FEV_HOSTONLY|FEV_GLOBAL );
 	if( delay < 0.0f ) delay = 0.0f; // fixup negative delays
 
-	memset( &args, 0, sizeof( args ));
-
-	VectorCopy( origin, args.origin );
-	VectorCopy( angles, args.angles );
-	VectorCopy( cl.simvel, args.velocity );
-	args.entindex = cl.playernum + 1;
-	args.ducking = ( cl.local.usehull == 1 );
-
-	args.fparam1 = fparam1;
-	args.fparam2 = fparam2;
-	args.iparam1 = iparam1;
-	args.iparam2 = iparam2;
-	args.bparam1 = bparam1;
-	args.bparam2 = bparam2;
+	event_args_t	args =
+	{
+		.origin = Vec3( origin ),
+		.angles = Vec3( angles ),
+		.velocity = Vec3( cl.simvel ),
+		.entindex = cl.playernum + 1,
+		.ducking = ( cl.local.usehull == 1 ),
+		.fparam1 = fparam1,
+		.fparam2 = fparam2,
+		.iparam1 = iparam1,
+		.iparam2 = iparam2,
+		.bparam1 = bparam1,
+		.bparam2 = bparam2,
+	};
 
 	CL_QueueEvent( flags, eventindex, delay, &args );
 }

engine/client/cl_font.c

@@ -39,17 +39,14 @@ qboolean CL_FixedFont( cl_font_t *font )
 
 static int CL_LoadFontTexture( const char *fontname, uint texFlags, int *width )
 {
-	int font_width;
-	int tex;
-
 	if( !g_fsapi.FileExists( fontname, false ))
 		return 0;
 
-	tex = ref.dllFuncs.GL_LoadTexture( fontname, NULL, 0, texFlags );
+	int tex = ref.dllFuncs.GL_LoadTexture( fontname, NULL, 0, texFlags );
 	if( !tex )
 		return 0;
 
-	font_width = REF_GET_PARM( PARM_TEX_WIDTH, tex );
+	int font_width = REF_GET_PARM( PARM_TEX_WIDTH, tex );
 	if( !font_width )
 	{
 		ref.dllFuncs.GL_FreeTexture( tex );
@@ -89,7 +86,7 @@ void CL_SetFontColor( cl_font_t *font, const rgba_t color )
 
 qboolean Con_LoadFixedWidthFont( const char *fontname, cl_font_t *font, float scale, convar_t *rendermode, uint texFlags )
 {
-	int font_width, i;
+	int font_width;
 
 	if( !rendermode )
 		return false;
@@ -107,7 +104,7 @@ qboolean Con_LoadFixedWidthFont( const char *fontname, cl_font_t *font, float sc
 	font->rendermode = rendermode;
 	font->charHeight = Q_rint( font_width / 16 * scale );
 
-	for( i = 0; i < ARRAYSIZE( font->fontRc ); i++ )
+	for( int i = 0; i < ARRAYSIZE( font->fontRc ); i++ )
 	{
 		font->fontRc[i].left   = ( i * font_width / 16 ) % font_width;
 		font->fontRc[i].right  = font->fontRc[i].left + font_width / 16;
@@ -124,8 +121,7 @@ qboolean Con_LoadVariableWidthFont( const char *fontname, cl_font_t *font, float
 {
 	fs_offset_t length;
 	qfont_t src;
-	byte *pfile;
-	int font_width, i;
+	int font_width;
 
 	if( !rendermode )
 		return false;
@@ -133,7 +129,7 @@ qboolean Con_LoadVariableWidthFont( const char *fontname, cl_font_t *font, float
 	if( font->valid )
 		return true;
 
-	pfile = g_fsapi.LoadFile( fontname, &length, false );
+	byte *pfile = g_fsapi.LoadFile( fontname, &length, false );
 	if( !pfile )
 		return false;
 
@@ -157,7 +153,7 @@ qboolean Con_LoadVariableWidthFont( const char *fontname, cl_font_t *font, float
 	font->rendermode = rendermode;
 	font->charHeight = Q_rint( src.rowheight * scale );
 
-	for( i = 0; i < ARRAYSIZE( font->fontRc ); i++ )
+	for( int i = 0; i < ARRAYSIZE( font->fontRc ); i++ )
 	{
 		const charinfo *ci = &src.fontinfo[i];
 
@@ -195,11 +191,6 @@ static int CL_CalcTabStop( const cl_font_t *font, int x )
 
 int CL_DrawCharacter( float x, float y, int number, const rgba_t color, cl_font_t *font, int flags )
 {
-	wrect_t *rc;
-	float w, h;
-	float s1, t1, s2, t2, half = 0.5f;
-	int texw, texh;
-
 	if( !font || !font->valid || y < -font->charHeight )
 		return 0;
 
@@ -220,21 +211,23 @@ int CL_DrawCharacter( float x, float y, int number, const rgba_t color, cl_font_
 	if( !number || !font->charWidths[number])
 		return 0;
 
+	int texw, texh;
 	R_GetTextureParms( &texw, &texh, font->hFontTexture );
 	if( !texw || !texh )
 		return font->charWidths[number];
 
-	rc = &font->fontRc[number];
+	wrect_t *rc = &font->fontRc[number];
+	float half = 0.5f;
 
 	if( font->scale <= 1.f || !REF_GET_PARM( PARM_TEX_FILTERING, font->hFontTexture ))
 		half = 0;
 
-	s1 = ((float)rc->left + half ) / texw;
-	t1 = ((float)rc->top + half ) / texh;
-	s2 = ((float)rc->right - half ) / texw;
-	t2 = ((float)rc->bottom - half ) / texh;
-	w = ( rc->right - rc->left ) * font->scale;
-	h = ( rc->bottom - rc->top ) * font->scale;
+	float s1 = ((float)rc->left + half ) / texw;
+	float t1 = ((float)rc->top + half ) / texh;
+	float s2 = ((float)rc->right - half ) / texw;
+	float t2 = ((float)rc->bottom - half ) / texh;
+	float w = ( rc->right - rc->left ) * font->scale;
+	float h = ( rc->bottom - rc->top ) * font->scale;
 
 	if( FBitSet( flags, FONT_DRAW_HUD ))
 		SPR_AdjustSize( &x, &y, &w, &h );

engine/client/cl_frame.c

@@ -41,12 +41,10 @@ Store another position into interpolation circular buffer
 */
 static void CL_UpdatePositions( cl_entity_t *ent )
 {
-	position_history_t	*ph, *prev;
-
-	prev = &ent->ph[ent->current_position];
+	position_history_t *prev = &ent->ph[ent->current_position & HISTORY_MASK];
 
 	ent->current_position = (ent->current_position + 1) & HISTORY_MASK;
-	ph = &ent->ph[ent->current_position];
+	position_history_t *ph = &ent->ph[ent->current_position];
 	VectorCopy( ent->curstate.origin, ph->origin );
 	VectorCopy( ent->curstate.angles, ph->angles );
 
@@ -74,11 +72,10 @@ Interpolation init or reset after teleporting
 */
 static void CL_ResetPositions( cl_entity_t *ent )
 {
-	position_history_t	store;
+	if( !ent )
+		return;
 
-	if( !ent ) return;
-
-	store = ent->ph[ent->current_position];
+	position_history_t store = ent->ph[ent->current_position & HISTORY_MASK];
 	ent->current_position = 1;
 
 	memset( ent->ph, 0, sizeof( position_history_t ) * HISTORY_MAX );
@@ -95,14 +92,13 @@ we don't want interpolate this
 */
 static qboolean CL_EntityTeleported( cl_entity_t *ent )
 {
-	float	len, maxlen;
 	vec3_t	delta;
 
 	VectorSubtract( ent->curstate.origin, ent->prevstate.origin, delta );
 
 	// compute potential max movement in units per frame and compare with entity movement
-	maxlen = ( clgame.movevars.maxvelocity * ( 1.0f / GAME_FPS ));
-	len = VectorLength( delta );
+	float maxlen = ( clgame.movevars.maxvelocity * ( 1.0f / GAME_FPS ));
+	float len = VectorLength( delta );
 
 	return (len > maxlen);
 }
@@ -170,22 +166,23 @@ check for parametrical moved entities
 */
 static qboolean CL_ParametricMove( cl_entity_t *ent )
 {
-	float	frac, dt, t;
 	vec3_t	delta;
 
 	if( ent->curstate.starttime == 0.0f || ent->curstate.impacttime == 0.0f )
 		return false;
 
 	VectorSubtract( ent->curstate.endpos, ent->curstate.startpos, delta );
-	dt = ent->curstate.impacttime - ent->curstate.starttime;
+	float dt = ent->curstate.impacttime - ent->curstate.starttime;
 
 	if( dt != 0.0f )
 	{
+		float t;
+
 		if( ent->lastmove > cl.time )
 			t = ent->lastmove;
 		else t = cl.time;
 
-		frac = ( t - ent->curstate.starttime ) / dt;
+		float frac = ( t - ent->curstate.starttime ) / dt;
 		frac = bound( 0.0f, frac, 1.0f );
 		VectorMA( ent->curstate.startpos, frac, delta, ent->curstate.origin );
 
@@ -240,18 +237,14 @@ CL_GetStudioEstimatedFrame
 */
 static float CL_GetStudioEstimatedFrame( cl_entity_t *ent )
 {
-	studiohdr_t	*pstudiohdr;
-	mstudioseqdesc_t	*pseqdesc;
-	int		sequence;
-
 	if( ent->model != NULL && ent->model->type == mod_studio )
 	{
-		pstudiohdr = (studiohdr_t *)Mod_StudioExtradata( ent->model );
+		studiohdr_t *pstudiohdr = (studiohdr_t *)Mod_StudioExtradata( ent->model );
 
 		if( pstudiohdr && pstudiohdr->numseq > 0 )
 		{
-			sequence = bound( 0, ent->curstate.sequence, pstudiohdr->numseq - 1 );
-			pseqdesc = (mstudioseqdesc_t *)((byte *)pstudiohdr + pstudiohdr->seqindex) + sequence;
+			int sequence = bound( 0, ent->curstate.sequence, pstudiohdr->numseq - 1 );
+			mstudioseqdesc_t *pseqdesc = (mstudioseqdesc_t *)((byte *)pstudiohdr + pstudiohdr->seqindex) + sequence;
 			return ref.dllFuncs.R_StudioEstimateFrame( ent, pseqdesc, cl.time );
 		}
 	}
@@ -302,8 +295,6 @@ apply changes since new frame received
 */
 static void CL_ProcessEntityUpdate( cl_entity_t *ent )
 {
-	qboolean	parametric;
-
 	ent->model = CL_ModelHandle( ent->curstate.modelindex );
 	ent->index = ent->curstate.number;
 
@@ -325,7 +316,7 @@ static void CL_ProcessEntityUpdate( cl_entity_t *ent )
 			VectorCopy( aiment->origin, ent->curstate.origin );
 	}
 
-	parametric = ent->curstate.starttime != 0.0f && ent->curstate.impacttime != 0.0f;
+	qboolean parametric = ent->curstate.starttime != 0.0f && ent->curstate.impacttime != 0.0f;
 
 	// allow interpolation on bmodels too
 	if( ent->model && ent->model->type == mod_brush )
@@ -364,13 +355,11 @@ find two timestamps
 static qboolean CL_FindInterpolationUpdates( cl_entity_t *ent, double targettime, position_history_t **ph0, position_history_t **ph1 )
 {
 	qboolean	extrapolate = true;
-	uint		i, i0, i1, imod;
+	uint		imod = ent->current_position;
+	uint		i0 = (imod - 0) & HISTORY_MASK;	// curpos (lerp end)
+	uint		i1 = (imod - 1) & HISTORY_MASK;	// oldpos (lerp start)
 
-	imod = ent->current_position;
-	i0 = (imod - 0) & HISTORY_MASK;	// curpos (lerp end)
-	i1 = (imod - 1) & HISTORY_MASK;	// oldpos (lerp start)
-
-	for( i = 1; i < HISTORY_MAX - 1; i++ )
+	for( uint i = 1; i < HISTORY_MAX - 1; i++ )
 	{
 		double at = ent->ph[( imod - i ) & HISTORY_MASK].animtime;
 
@@ -402,19 +391,19 @@ non-local players interpolation
 */
 static void CL_PureOrigin( cl_entity_t *ent, double t, vec3_t outorigin, vec3_t outangles )
 {
-	double		t1, t0, frac;
 	position_history_t	*ph0, *ph1;
-	vec3_t		delta;
 
 	// NOTE: ph0 is next, ph1 is a prev
 	CL_FindInterpolationUpdates( ent, t, &ph0, &ph1 );
 
-	t0 = ph0->animtime;
-	t1 = ph1->animtime;
+	double t0 = ph0->animtime;
+	double t1 = ph1->animtime;
 
 	if( t0 != 0.0 )
 	{
 		vec4_t	q, q1, q2;
+		vec3_t	delta;
+		double	frac;
 
 		VectorSubtract( ph0->origin, ph1->origin, delta );
 
@@ -450,7 +439,6 @@ static int CL_InterpolateModel( cl_entity_t *e )
 {
 	position_history_t  *ph0 = NULL, *ph1 = NULL;
 	vec3_t		origin, angles, delta;
-	double		t, t1, t2, frac;
 	vec4_t		q, q1, q2;
 
 	VectorCopy( e->curstate.origin, e->origin );
@@ -479,11 +467,11 @@ static int CL_InterpolateModel( cl_entity_t *e )
 	if( cl.local.moving && cl.local.onground == e->index )
 		return 1;
 
-	t = cl.time - cl_interp.value;
+	double t = cl.time - cl_interp.value;
 	CL_FindInterpolationUpdates( e, t, &ph0, &ph1 );
 
-	t1 = ph1->animtime;
-	t2 = ph0->animtime;
+	double t1 = ph1->animtime;
+	double t2 = ph0->animtime;
 
 	if( t - t1 < 0.0f )
 		return 0;
@@ -503,7 +491,7 @@ static int CL_InterpolateModel( cl_entity_t *e )
 	}
 
 	VectorSubtract( ph0->origin, ph1->origin, delta );
-	frac = (t - t1) / (t2 - t1);
+	double frac = (t - t1) / (t2 - t1);
 
 	if( frac < 0.0f )
 		return 0;
@@ -533,8 +521,6 @@ interpolate non-local clients
 */
 void CL_ComputePlayerOrigin( cl_entity_t *ent )
 {
-	double	targettime;
-	vec4_t	q, q1, q2;
 	vec3_t	origin;
 	vec3_t	angles;
 
@@ -550,6 +536,8 @@ void CL_ComputePlayerOrigin( cl_entity_t *ent )
 
 	if( cls.demoplayback == DEMO_QUAKE1 )
 	{
+		vec4_t	q, q1, q2;
+
 		// quake lerping is easy
 		VectorLerp( ent->prevstate.origin, cl.lerpFrac, ent->curstate.origin, ent->origin );
 		AngleQuaternion( ent->prevstate.angles, q1, false );
@@ -559,7 +547,7 @@ void CL_ComputePlayerOrigin( cl_entity_t *ent )
 		return;
 	}
 
-	targettime = cl.time - cl_interp.value;
+	double targettime = cl.time - cl_interp.value;
 	CL_PureOrigin( ent, targettime, origin, angles );
 
 	VectorCopy( angles, ent->angles );
@@ -575,9 +563,7 @@ process player states after the new packet has received
 */
 static void CL_ProcessPlayerState( int playerindex, entity_state_t *state )
 {
-	entity_state_t	*ps;
-
-	ps = &cl.frames[cl.parsecountmod].playerstate[playerindex];
+	entity_state_t *ps = &cl.frames[cl.parsecountmod].playerstate[playerindex];
 	ps->number = state->number;
 	ps->messagenum = cl.parsecount;
 	ps->msg_time = cl.mtime[0];
@@ -618,19 +604,15 @@ process player states after the new packet has received
 */
 void CL_ProcessPacket( frame_t *frame )
 {
-	entity_state_t	*state;
-	cl_entity_t	*ent;
-	int		pnum;
-
-	for( pnum = 0; pnum < frame->num_entities; pnum++ )
+	for( int pnum = 0; pnum < frame->num_entities; pnum++ )
 	{
 		// request the entity state from circular buffer
-		state = &cls.packet_entities[(frame->first_entity+pnum) % cls.num_client_entities];
+		entity_state_t *state = &cls.packet_entities[(frame->first_entity+pnum) % cls.num_client_entities];
 		state->messagenum = cl.parsecount;
 		state->msg_time = cl.mtime[0];
 
 		// mark all the players
-		ent = &clgame.entities[state->number];
+		cl_entity_t *ent = &clgame.entities[state->number];
 		ent->player = CL_IsPlayerIndex( state->number );
 
 		if( state->number == ( cl.playernum + 1 ))
@@ -676,7 +658,6 @@ Read and ignore whole entity packet.
 */
 static void CL_FlushEntityPacket( sizebuf_t *msg, connprotocol_t proto )
 {
-	int		newnum;
 	entity_state_t	from, to;
 
 	memset( &from, 0, sizeof( from ));
@@ -687,6 +668,8 @@ static void CL_FlushEntityPacket( sizebuf_t *msg, connprotocol_t proto )
 	// read it all, but ignore it
 	while( 1 )
 	{
+		int newnum;
+
 		if( !CL_ParseEntityNumFromPacket( msg, &newnum, proto ))
 			break; // done
 
@@ -816,22 +799,19 @@ rest of the data stream.
 */
 int CL_ParsePacketEntities( sizebuf_t *msg, qboolean delta, connprotocol_t proto )
 {
-	frame_t		*newframe, *oldframe;
+	frame_t		*oldframe;
 	int		oldindex, newnum, oldnum;
 	int		playerbytes = 0;
-	int		bufStart;
 	entity_state_t	*oldent;
-	qboolean		player;
-	int		count;
 
 	// save first uncompressed packet as timestamp
 	if( cls.changelevel && !delta && cls.demorecording )
 		CL_WriteDemoJumpTime();
 
 	// sentinel count. save it for debug checking
-	count = MSG_ReadUBitLong( msg, MAX_VISIBLE_PACKET_BITS ) + 1;
+	int count = MSG_ReadUBitLong( msg, MAX_VISIBLE_PACKET_BITS ) + 1;
 
-	newframe = &cl.frames[cl.parsecountmod];
+	frame_t *newframe = &cl.frames[cl.parsecountmod];
 
 	// allocate parse entities
 	memset( newframe->flags, 0, sizeof( newframe->flags ));
@@ -872,7 +852,7 @@ int CL_ParsePacketEntities( sizebuf_t *msg, qboolean delta, connprotocol_t proto
 		if( MSG_CheckOverflow( msg ))
 			Host_Error( "%s: overflow\n", __func__ );
 
-		player = CL_IsPlayerIndex( newnum );
+		qboolean player = CL_IsPlayerIndex( newnum );
 
 		while( oldnum < newnum )
 		{
@@ -884,7 +864,7 @@ int CL_ParsePacketEntities( sizebuf_t *msg, qboolean delta, connprotocol_t proto
 		if( oldnum == newnum )
 		{
 			// delta from previous state
-			bufStart = MSG_GetNumBytesRead( msg );
+			int bufStart = MSG_GetNumBytesRead( msg );
 			CL_DeltaEntity( msg, newframe, newnum, oldent, true );
 			if( player ) playerbytes += MSG_GetNumBytesRead( msg ) - bufStart;
 			oldnum = CL_UpdateOldEntNum( ++oldindex, oldframe, &oldent );
@@ -894,7 +874,7 @@ int CL_ParsePacketEntities( sizebuf_t *msg, qboolean delta, connprotocol_t proto
 		if( oldnum > newnum )
 		{
 			// delta from baseline ?
-			bufStart = MSG_GetNumBytesRead( msg );
+			int bufStart = MSG_GetNumBytesRead( msg );
 			CL_DeltaEntity( msg, newframe, newnum, NULL, true );
 			if( player ) playerbytes += MSG_GetNumBytesRead( msg ) - bufStart;
 			continue;
@@ -1030,12 +1010,10 @@ for all current players
 */
 static void CL_LinkPlayers( frame_t *frame )
 {
+	cl_entity_t	*ent = CL_GetLocalPlayer();
 	entity_state_t	*state;
-	cl_entity_t	*ent;
 	int		i;
 
-	ent = CL_GetLocalPlayer();
-
 	// apply muzzleflash to weaponmodel
 	if( ent && FBitSet( ent->curstate.effects, EF_MUZZLEFLASH ))
 		SetBits( clgame.viewent.curstate.effects, EF_MUZZLEFLASH );
@@ -1113,15 +1091,9 @@ CL_LinkPacketEntities
 */
 static void CL_LinkPacketEntities( frame_t *frame )
 {
-	cl_entity_t	*ent;
-	entity_state_t	*state;
-	qboolean		parametric;
-	qboolean		interpolate;
-	int		i;
-
-	for( i = 0; i < frame->num_entities; i++ )
+	for( int i = 0; i < frame->num_entities; i++ )
 	{
-		state = &cls.packet_entities[(frame->first_entity + i) % cls.num_client_entities];
+		entity_state_t *state = &cls.packet_entities[(frame->first_entity + i) % cls.num_client_entities];
 
 		// clients are should be done in CL_LinkPlayers
 		if( state->number >= 1 && state->number <= cl.maxclients )
@@ -1131,7 +1103,7 @@ static void CL_LinkPacketEntities( frame_t *frame )
 		if( !state->modelindex || FBitSet( state->effects, EF_NODRAW ))
 			continue;
 
-		ent = CL_GetEntityByIndex( state->number );
+		cl_entity_t *ent = CL_GetEntityByIndex( state->number );
 
 		if( !ent )
 		{
@@ -1142,7 +1114,7 @@ static void CL_LinkPacketEntities( frame_t *frame )
 		// animtime must keep an actual
 		ent->curstate.animtime = state->animtime;
 		ent->curstate.frame = state->frame;
-		interpolate = false;
+		qboolean interpolate = false;
 
 		if( !ent->model ) continue;
 
@@ -1156,7 +1128,7 @@ static void CL_LinkPacketEntities( frame_t *frame )
 			}
 		}
 
-		parametric = ( ent->curstate.impacttime != 0.0f && ent->curstate.starttime != 0.0f );
+		qboolean parametric = ( ent->curstate.impacttime != 0.0f && ent->curstate.starttime != 0.0f );
 
 		if( !parametric && ent->curstate.movetype != MOVETYPE_COMPOUND )
 		{
@@ -1369,9 +1341,6 @@ SOUND ENGINE IMPLEMENTATION
 */
 qboolean CL_GetEntitySpatialization( channel_t *ch )
 {
-	cl_entity_t	*ent;
-	qboolean		valid_origin;
-
 	if( ch->entnum == 0 )
 	{
 		SetBits( ch->flags, FL_CHAN_STATIC_SOUND );
@@ -1384,8 +1353,8 @@ qboolean CL_GetEntitySpatialization( channel_t *ch )
 		return true;
 	}
 
-	valid_origin = VectorIsNull( ch->origin ) ? false : true;
-	ent = CL_GetEntityByIndex( ch->entnum );
+	qboolean valid_origin = VectorIsNull( ch->origin ) ? false : true;
+	cl_entity_t *ent = CL_GetEntityByIndex( ch->entnum );
 
 	// entity is not present on the client but has valid origin
 	if( !ent || !ent->model || ent->curstate.messagenum != cl.parsecount )

engine/client/cl_main.c

@@ -36,7 +36,7 @@ CVAR_DEFINE( cl_allow_download, "cl_allowdownload", "1", FCVAR_ARCHIVE, "allow t
 static CVAR_DEFINE( cl_allow_upload, "cl_allowupload", "1", FCVAR_ARCHIVE, "allow to uploading resources to the server" );
 CVAR_DEFINE_AUTO( cl_download_ingame, "1", FCVAR_ARCHIVE, "allow to downloading resources while client is active" );
 static CVAR_DEFINE_AUTO( cl_logofile, "lambda", FCVAR_ARCHIVE, "player logo name" );
-static CVAR_DEFINE_AUTO( cl_logocolor, "orange", FCVAR_ARCHIVE, "player logo color" );
+static CVAR_DEFINE_AUTO( cl_logocolor, "255 120 24", FCVAR_ARCHIVE, "player logo color" );
 static CVAR_DEFINE_AUTO( cl_logoext, "bmp", FCVAR_ARCHIVE, "temporary cvar to tell engine which logo must be packed" );
 CVAR_DEFINE_AUTO( cl_logomaxdim, "96", FCVAR_ARCHIVE, "maximum decal dimension" );
 static CVAR_DEFINE_AUTO( cl_test_bandwidth, "1", FCVAR_ARCHIVE, "test network bandwith before connection" );
@@ -315,7 +315,6 @@ should be put at.
 static float CL_LerpPoint( void )
 {
 	double f = cl_serverframetime();
-	double frac;
 
 	if( f == 0.0 || cls.timedemo )
 	{
@@ -332,7 +331,7 @@ static float CL_LerpPoint( void )
 	if( cl_interp.value <= 0.001 )
 		return 1.0f;
 
-	frac = ( cl.time - cl.mtime[0] ) / cl_interp.value;
+	double frac = ( cl.time - cl.mtime[0] ) / cl_interp.value;
 
 	return frac;
 }
@@ -346,20 +345,17 @@ Drift interpolation value (this is used for server unlag system)
 */
 static int CL_DriftInterpolationAmount( int goal )
 {
-	float	fgoal, maxmove, diff;
-	int	msec;
-
-	fgoal = (float)goal / 1000.0f;
+	float	fgoal = (float)goal / 1000.0f;
 
 	if( fgoal != cl.local.interp_amount )
 	{
-		maxmove = host.frametime * 0.05;
-		diff = fgoal - cl.local.interp_amount;
+		float	maxmove = host.frametime * 0.05;
+		float	diff = fgoal - cl.local.interp_amount;
 		diff = bound( -maxmove, diff, maxmove );
 		cl.local.interp_amount += diff;
 	}
 
-	msec = cl.local.interp_amount * 1000.0f;
+	int	msec = cl.local.interp_amount * 1000.0f;
 	msec = bound( 0, msec, 100 );
 
 	return msec;
@@ -420,14 +416,14 @@ CL_ComputePacketLoss
 */
 static void CL_ComputePacketLoss( void )
 {
-	int i, lost = 0;
+	int lost = 0;
 
 	if( host.realtime < cls.packet_loss_recalc_time )
 		return;
 
 	cls.packet_loss_recalc_time = host.realtime + 1.0;
 
-	for( i = cls.netchan.incoming_sequence - CL_UPDATE_BACKUP + 1; i <= cls.netchan.incoming_sequence; i++ )
+	for( int i = cls.netchan.incoming_sequence - CL_UPDATE_BACKUP + 1; i <= cls.netchan.incoming_sequence; i++ )
 	{
 		if( cl.frames[i & CL_UPDATE_MASK].receivedtime == -1.0 )
 			lost++;
@@ -455,18 +451,15 @@ void CL_UpdateFrameLerp( void )
 
 static void CL_FindInterpolatedAddAngle( float t, float *frac, pred_viewangle_t **prev, pred_viewangle_t **next )
 {
-	int	i, i0, i1, imod;
-	float	at;
-
-	imod = cl.angle_position - 1;
-	i0 = (imod + 1) & ANGLE_MASK;
-	i1 = (imod + 0) & ANGLE_MASK;
+	int	imod = cl.angle_position - 1;
+	int	i0 = (imod + 1) & ANGLE_MASK;
+	int	i1 = (imod + 0) & ANGLE_MASK;
 
 	if( cl.predicted_angle[i0].starttime >= t )
 	{
-		for( i = 0; i < ANGLE_BACKUP - 2; i++ )
+		for( int i = 0; i < ANGLE_BACKUP - 2; i++ )
 		{
-			at = cl.predicted_angle[imod & ANGLE_MASK].starttime;
+			float	at = cl.predicted_angle[imod & ANGLE_MASK].starttime;
 			if( at == 0.0f ) break;
 
 			if( at < t )
@@ -534,14 +527,12 @@ navigate around texture atlas
 static qboolean CL_ProcessShowTexturesCmds( usercmd_t *cmd )
 {
 	static int	oldbuttons;
-	int		changed;
-	int		released;
 
 	if( !r_showtextures.value || CL_IsDevOverviewMode( ))
 		return false;
 
-	changed = (oldbuttons ^ cmd->buttons);
-	released = changed & (~cmd->buttons);
+	int		changed = (oldbuttons ^ cmd->buttons);
+	int		released = changed & (~cmd->buttons);
 
 	if( released & ( IN_RIGHT|IN_MOVERIGHT ))
 		Cvar_SetValue( "r_showtextures", r_showtextures.value + 1 );
@@ -613,17 +604,16 @@ tell the client.dll about player origin, angles, fov, etc
 */
 static void CL_UpdateClientData( void )
 {
-	client_data_t	cdat;
-
 	if( cls.state != ca_active )
 		return;
 
-	memset( &cdat, 0, sizeof( cdat ) );
-
-	VectorCopy( cl.viewangles, cdat.viewangles );
-	VectorCopy( clgame.entities[cl.viewentity].origin, cdat.origin );
-	cdat.iWeaponBits = cl.local.weapons;
-	cdat.fov = cl.local.scr_fov;
+	client_data_t	cdat =
+	{
+		.viewangles = Vec3( cl.viewangles ),
+		.origin = Vec3( clgame.entities[cl.viewentity].origin ),
+		.iWeaponBits = cl.local.weapons,
+		.fov = cl.local.scr_fov,
+	};
 
 	if( clgame.dllFuncs.pfnUpdateClientData( &cdat, cl.time ))
 	{
@@ -642,21 +632,18 @@ static void CL_CreateCmd( void )
 {
 	usercmd_t nullcmd = { 0 }, *cmd;
 	runcmd_t  *pcmd;
-	qboolean  active;
-	double    accurate_ms;
-	vec3_t    angles;
 	int       input_override;
-	int       i, ms;
+	int       ms;
 
 	if( cls.state <= ca_connected || cls.state == ca_cinematic )
 		return;
 
 	// store viewangles in case it's will be freeze
-	VectorCopy( cl.viewangles, angles );
+	vec3_t angles = Vec3( cl.viewangles );
 	input_override = 0;
 
 	// fix rounding error and framerate depending player move
-	accurate_ms = host.frametime * 1000;
+	double    accurate_ms = host.frametime * 1000;
 	ms = (int)accurate_ms;
 	cl.frametime_remainder += accurate_ms - ms; // accumulate rounding error each frame
 
@@ -677,7 +664,7 @@ static void CL_CreateCmd( void )
 	CL_SetSolidPlayers( cl.playernum );
 
 	// message we are constructing.
-	i = cls.netchan.outgoing_sequence & CL_UPDATE_MASK;
+	int       i = cls.netchan.outgoing_sequence & CL_UPDATE_MASK;
 	pcmd = &cl.commands[i];
 
 	if( !cls.demoplayback )
@@ -695,7 +682,7 @@ static void CL_CreateCmd( void )
 		cmd = &nullcmd;
 	}
 
-	active = (( cls.signon == SIGNONS ) && !cl.paused && !cls.demoplayback );
+	qboolean  active = (( cls.signon == SIGNONS ) && !cl.paused && !cls.demoplayback );
 	Platform_PreCreateMove();
 	clgame.dllFuncs.CL_CreateMove( host.frametime, cmd, active );
 	IN_EngineAppendMove( host.frametime, cmd, active );
@@ -946,13 +933,12 @@ CL_BeginUpload_f
 */
 static void CL_BeginUpload_f( void )
 {
-	const char		*name;
 	resource_t	custResource;
 	byte		*buf = NULL;
 	int		size = 0;
 	byte		md5[16];
 
-	name = Cmd_Argv( 1 );
+	const char		*name = Cmd_Argv( 1 );
 
 	if( COM_StringEmptyOrNULL( name ))
 		return;
@@ -1038,9 +1024,8 @@ static void CL_GetCDKey( char *protinfo, size_t protinfosize )
 	byte hash[16] = { 0 };
 	MD5Context_t ctx = { 0 };
 	char key[64];
-	int keylength;
 
-	keylength = Q_snprintf( key, sizeof( key ), "%u", COM_RandomLong( 0, 0x7ffffffe ));
+	int keylength = Q_snprintf( key, sizeof( key ), "%u", COM_RandomLong( 0, 0x7ffffffe ));
 
 	MD5Init( &ctx );
 	MD5Update( &ctx, key, keylength );
@@ -1079,7 +1064,6 @@ static void CL_WriteSteamTicket( sizebuf_t *send )
 
 void CL_SendGoldSrcConnectPacket( netadr_t adr, int challenge, const void *ticket, size_t ticketlen )
 {
-	const char *name;
 	sizebuf_t send;
 	byte send_buf[2048];
 	char protinfo[MAX_INFO_STRING];
@@ -1090,7 +1074,7 @@ void CL_SendGoldSrcConnectPacket( netadr_t adr, int challenge, const void *ticke
 	Info_SetValueForKeyf( protinfo, "unique", sizeof( protinfo ), "%i", 0xffffffff );
 	Info_SetValueForKey( protinfo, "raw", "steam", sizeof( protinfo ));
 	CL_GetCDKey( protinfo, sizeof( protinfo ));
-	name = Info_ValueForKey( cls.userinfo, "name" );
+	const char *name = Info_ValueForKey( cls.userinfo, "name" );
 	if( cl_advertise_engine_in_name.value && Q_strnicmp( name, "[Xash3D]", 8 ))
 		Info_SetValueForKeyf( cls.userinfo, "name", sizeof( cls.userinfo ), "[Xash3D]%s", name );
 
@@ -1123,8 +1107,6 @@ static void CL_SendConnectPacket( connprotocol_t proto, int challenge )
 {
 	char protinfo[MAX_INFO_STRING];
 	netadr_t adr = { 0 };
-	int input_devices;
-	netadrtype_t adrtype;
 
 	protinfo[0] = 0;
 
@@ -1135,11 +1117,11 @@ static void CL_SendConnectPacket( connprotocol_t proto, int challenge )
 		return;
 	}
 
-	adrtype = NET_NetadrType( &adr );
+	netadrtype_t adrtype = NET_NetadrType( &adr );
 
 	if( adr.port == 0 ) adr.port = MSG_BigShort( PORT_SERVER );
 
-	input_devices = IN_CollectInputDevices();
+	int input_devices = IN_CollectInputDevices();
 	IN_LockInputDevices( adrtype != NA_LOOPBACK ? true : false );
 
 	// GoldSrc doesn't need useragent string
@@ -1252,8 +1234,6 @@ Resend a connect message if the last one has timed out
 static void CL_CheckForResend( void )
 {
 	netadr_t adr;
-	net_gai_state_t res;
-	float resend_time;
 
 	if( cls.internetservers_wait )
 	{
@@ -1287,6 +1267,7 @@ static void CL_CheckForResend( void )
 	else if( cl_resend.value > CL_MAX_RESEND_TIME )
 		Cvar_DirectSetValue( &cl_resend, CL_MAX_RESEND_TIME );
 
+	float resend_time;
 	if( cls.bandwidth_test.started && !cls.bandwidth_test.passed && !cls.bandwidth_test.failed )
 		resend_time = 2.0f;
 	else
@@ -1295,7 +1276,7 @@ static void CL_CheckForResend( void )
 	if(( host.realtime - cls.connect_time ) < resend_time )
 		return;
 
-	res = NET_StringToAdrNB( cls.servername, &adr, false );
+	net_gai_state_t res = NET_StringToAdrNB( cls.servername, &adr, false );
 
 	if( res == NET_EAI_NONAME )
 	{
@@ -1377,9 +1358,6 @@ static void CL_CreateResourceList( void )
 {
 	char szFileName[MAX_OSPATH];
 	byte rgucMD5_hash[16] = { 0 };
-	resource_t	*pNewResource;
-	int		nSize;
-	file_t		*fp;
 
 	HPAK_FlushHostQueue();
 	cl.num_resources = 0;
@@ -1399,16 +1377,16 @@ static void CL_CreateResourceList( void )
 		CL_ConvertImageToWAD3( szFileName );
 		Q_strncpy( szFileName, "tempdecal.wad", sizeof( szFileName ));
 	}
-	fp = FS_Open( szFileName, "rb", true );
+	file_t		*fp = FS_Open( szFileName, "rb", true );
 
 	if( !fp )
 		return;
 
-	nSize = FS_FileLength( fp );
+	int		nSize = FS_FileLength( fp );
 
 	if( nSize != 0 )
 	{
-		pNewResource = CL_AddResource( t_decal, szFileName, nSize, false, 0 );
+		resource_t	*pNewResource = CL_AddResource( t_decal, szFileName, nSize, false, 0 );
 
 		if( pNewResource )
 		{
@@ -1430,9 +1408,6 @@ CL_CheckLogoChanged
 */
 static void CL_CheckLogoChanged( void )
 {
-	player_info_t	*player;
-	int		i;
-
 	if( cls.state != ca_active )
 		return;
 
@@ -1444,10 +1419,10 @@ static void CL_CheckLogoChanged( void )
 	if( cl.num_resources == 0 )
 		return;
 
-	player = &cl.players[cl.playernum];
+	player_info_t	*player = &cl.players[cl.playernum];
 	COM_ClearCustomizationList( &player->customdata, true );
 
-	for( i = 0; i < cl.num_resources; i++ )
+	for( int i = 0; i < cl.num_resources; i++ )
 	{
 		resource_t *pResource = &cl.resourcelist[i];
 
@@ -1533,7 +1508,6 @@ static void CL_Rcon_f( void )
 	char message[1024];
 	sizebuf_t msg;
 	netadr_t to;
-	int	i;
 
 	if( COM_StringEmptyOrNULL( rcon_password.string ))
 	{
@@ -1565,7 +1539,7 @@ static void CL_Rcon_f( void )
 	MSG_WriteStringf( &msg, C2S_RCON" %s ", rcon_password.string );
 	MSG_SeekToBit( &msg, -8, SEEK_CUR );
 
-	for( i = 1; i < Cmd_Argc(); i++ )
+	for( int i = 1; i < Cmd_Argc(); i++ )
 	{
 		string command;
 
@@ -1588,11 +1562,9 @@ CL_ClearState
 */
 void CL_ClearState( void )
 {
-	int	i;
-
 	CL_ClearResourceLists();
 
-	for( i = 0; i < MAX_CLIENTS; i++ )
+	for( int i = 0; i < MAX_CLIENTS; i++ )
 		COM_ClearCustomizationList( &cl.players[i].customdata, false );
 
 	S_StopAllSounds ( true );
@@ -1657,9 +1629,9 @@ static void CL_SendDisconnectMessage( connprotocol_t proto )
 	Netchan_TransmitBits( &cls.netchan, MSG_GetNumBitsWritten( &buf ), MSG_GetData( &buf ));
 }
 
-int CL_GetSplitSize( void )
+size_t CL_GetSplitSize( void )
 {
-	int splitsize = (int)cl_dlmax.value;
+	size_t splitsize = (int)cl_dlmax.value;
 
 	if( !FBitSet( cls.extensions, NET_EXT_SPLITSIZE ))
 		return 1400;
@@ -1670,7 +1642,7 @@ int CL_GetSplitSize( void )
 		return FRAGMENT_DEFAULT_SIZE;
 	}
 
-	return (int)cl_dlmax.value;
+	return splitsize;
 }
 
 void CL_SetupNetchanForProtocol( connprotocol_t proto )
@@ -1986,8 +1958,6 @@ all the keys and values must be ends with ^7
 */
 static void CL_FixupColorStringsForInfoString( const char *in, char *out, size_t len )
 {
-	qboolean	hasPrefix = false;
-	qboolean	endOfKeyVal = false;
 	int	color = 7;
 	int	count = 0;
 
@@ -2163,7 +2133,6 @@ static void CL_ParseNETInfoMessage( netadr_t from, const char *s )
 	int		i, context, type;
 	int		errorBits = 0;
 	const char		*val;
-	size_t slen;
 
 	context = Q_atoi( Cmd_Argv( 1 ));
 	type = Q_atoi( Cmd_Argv( 2 ));
@@ -3552,11 +3521,11 @@ static void CL_InitLocal( void )
 	Cmd_AddCommand ("levelshot", CL_LevelShot_f, "same as \"screenshot\", used for create plaque images" );
 	Cmd_AddCommand ("saveshot", CL_GenericShot_f, "used for create save previews with LoadGame menu" );
 
-	Cmd_AddCommand ("connect", CL_Connect_f, "connect to a server by hostname" );
+	Cmd_AddRestrictedCommand ("connect", CL_Connect_f, "connect to a server by hostname" );
 	Cmd_AddCommand ("reconnect", CL_Reconnect_f, "reconnect to current level" );
 	Cmd_AddCommand ("retry", CL_Retry_f, "retry connection to last server" );
 
-	Cmd_AddCommand ("rcon", CL_Rcon_f, "sends a command to the server console (rcon_password and rcon_address required)" );
+	Cmd_AddRestrictedCommand ("rcon", CL_Rcon_f, "sends a command to the server console (rcon_password and rcon_address required)" );
 
 	Cmd_AddCommand( "richpresence_gamemode", Cmd_Null_f, "compatibility command, does nothing" );
 	Cmd_AddCommand( "richpresence_update", Cmd_Null_f, "compatibility command, does nothing" );

engine/client/cl_netgraph.c

@@ -118,8 +118,7 @@ static void NetGraph_InitColors( void )
 	byte	mincolor[2][3];
 	byte	maxcolor[2][3];
 	float	dc[2][3];
-	int	i, hfrac;
-	float	f;
+	int	hfrac;
 
 	mincolor[0][0] = 63;
 	mincolor[0][1] = 0;
@@ -137,7 +136,7 @@ static void NetGraph_InitColors( void )
 	maxcolor[1][1] = 0;
 	maxcolor[1][2] = 0;
 
-	for( i = 0; i < 3; i++ )
+	for( int i = 0; i < 3; i++ )
 	{
 		dc[0][i] = (float)(maxcolor[0][i] - mincolor[0][i]);
 		dc[1][i] = (float)(maxcolor[1][i] - mincolor[1][i]);
@@ -145,8 +144,10 @@ static void NetGraph_InitColors( void )
 
 	hfrac = NETGRAPH_LERP_HEIGHT / 3;
 
-	for( i = 0; i < NETGRAPH_LERP_HEIGHT; i++ )
+	for( int i = 0; i < NETGRAPH_LERP_HEIGHT; i++ )
 	{
+		float f;
+
 		if( i < hfrac )
 		{
 			f = (float)i / (float)hfrac;
@@ -170,10 +171,9 @@ get frame data info, like chokes, packet losses, also update graph, packet and c
 */
 static void NetGraph_GetFrameData( float *latency, int *latency_count )
 {
-	int		i, choke_count = 0, loss_count = 0;
+	int		choke_count = 0, loss_count = 0;
 	double		newtime = Platform_DoubleTime();
 	static double	nexttime = 0;
-	float		loss, choke;
 
 	*latency_count = 0;
 	*latency = 0.0f;
@@ -185,7 +185,7 @@ static void NetGraph_GetFrameData( float *latency, int *latency_count )
 		nexttime = newtime + 0.05;
 	}
 
-	for( i = cls.netchan.incoming_sequence - CL_UPDATE_BACKUP + 1; i <= cls.netchan.incoming_sequence; i++ )
+	for( int i = cls.netchan.incoming_sequence - CL_UPDATE_BACKUP + 1; i <= cls.netchan.incoming_sequence; i++ )
 	{
 		frame_t *f = cl.frames + ( i & CL_UPDATE_MASK );
 		struct packet_latency_t *p = netstat_packet_latency + ( i & NET_TIMINGS_MASK );
@@ -228,7 +228,7 @@ static void NetGraph_GetFrameData( float *latency, int *latency_count )
 	if( maxmsgbytes > 1000 )
 		maxmsgbytes = 1000;
 
-	for( i = cls.netchan.outgoing_sequence - CL_UPDATE_BACKUP + 1; i <= cls.netchan.outgoing_sequence; i++ )
+	for( int i = cls.netchan.outgoing_sequence - CL_UPDATE_BACKUP + 1; i <= cls.netchan.outgoing_sequence; i++ )
 	{
 		netstat_cmdinfo[i & NET_TIMINGS_MASK].cmd_lerp = cl.commands[i & CL_UPDATE_MASK].frame_lerp;
 		netstat_cmdinfo[i & NET_TIMINGS_MASK].sent = cl.commands[i & CL_UPDATE_MASK].heldback ? false : true;
@@ -236,11 +236,11 @@ static void NetGraph_GetFrameData( float *latency, int *latency_count )
 	}
 
 	// packet loss
-	loss = 100.0f * (float)loss_count / CL_UPDATE_BACKUP;
+	float loss = 100.0f * (float)loss_count / CL_UPDATE_BACKUP;
 	packet_loss = PACKETLOSS_AVG_FRAC * packet_loss + ( 1.0f - PACKETLOSS_AVG_FRAC ) * loss;
 
 	// packet choke
-	choke = 100.0f * (float)choke_count / CL_UPDATE_BACKUP;
+	float choke = 100.0f * (float)choke_count / CL_UPDATE_BACKUP;
 	packet_choke = PACKETCHOKE_AVG_FRAC * packet_choke + ( 1.0f - PACKETCHOKE_AVG_FRAC ) * choke;
 }
 
@@ -252,14 +252,13 @@ NetGraph_DrawTimes
 */
 static void NetGraph_DrawTimes( wrect_t rect, int x, int w )
 {
-	int	i, j, extrap_point = NETGRAPH_LERP_HEIGHT / 3, a, h;
-	rgba_t	colors = { 0.9 * 255, 0.9 * 255, 0.7 * 255, 255 };
+	int	extrap_point = NETGRAPH_LERP_HEIGHT / 3;
 	wrect_t	fill;
 
-	for( a = 0; a < w; a++ )
+	for( int a = 0; a < w; a++ )
 	{
-		i = ( cls.netchan.outgoing_sequence - a ) & NET_TIMINGS_MASK;
-		h = Q_min(( netstat_cmdinfo[i].cmd_lerp / 3.0f ) * NETGRAPH_LERP_HEIGHT, net_graphheight.value * 0.7f);
+		int i = ( cls.netchan.outgoing_sequence - a ) & NET_TIMINGS_MASK;
+		int h = Q_min(( netstat_cmdinfo[i].cmd_lerp / 3.0f ) * NETGRAPH_LERP_HEIGHT, net_graphheight.value * 0.7f);
 
 		fill.left = x + w - a - 1;
 		fill.right = fill.bottom = 1;
@@ -278,7 +277,7 @@ static void NetGraph_DrawTimes( wrect_t rect, int x, int w )
 				start = (h - 1);
 			}
 
-			for( j = start; j < h; j++ )
+			for( int j = start; j < h; j++ )
 			{
 				int color = NETGRAPH_NET_COLORS + j + extrap_point;
 				color = Q_min( color, ARRAYSIZE( netcolors ) - 1 );
@@ -297,7 +296,7 @@ static void NetGraph_DrawTimes( wrect_t rect, int x, int w )
 			if( !net_graphsolid.value )
 				h = 1;
 
-			for( j = 0; j < h; j++ )
+			for( int j = 0; j < h; j++ )
 			{
 				int color = NETGRAPH_NET_COLORS + j + oldh;
 				color = Q_min( color, ARRAYSIZE( netcolors ) - 1 );
@@ -496,15 +495,16 @@ NetGraph_DrawDataUsage
 */
 static void NetGraph_DrawDataUsage( int x, int y, int w, int graphtype )
 {
-	int	a, i, h, lastvalidh = 0, ping;
+	int	lastvalidh = 0;
 	int	pingheight = net_graphheight.value - NETGRAPH_LERP_HEIGHT - 2;
 	wrect_t	fill = { 0 };
 	byte	color[4];
 
-	for( a = 0; a < w; a++ )
+	for( int a = 0; a < w; a++ )
 	{
-		i = (cls.netchan.incoming_sequence - a) & NET_TIMINGS_MASK;
-		h = netstat_packet_latency[i].latency;
+		int ping;
+		int i = (cls.netchan.incoming_sequence - a) & NET_TIMINGS_MASK;
+		int h = netstat_packet_latency[i].latency;
 
 		NetGraph_ColorForHeight( &netstat_packet_latency[i], color, &ping );
 

engine/client/cl_remap.c

@@ -43,7 +43,6 @@ return true if equal
 */
 static qboolean CL_CmpStudioTextures( int numtexs, mstudiotexture_t *p1, remap_info_t *remap )
 {
-	int	i;
 	mstudiotexture_t *p2;
 
 	if( !p1 ) // no textures
@@ -60,7 +59,7 @@ static qboolean CL_CmpStudioTextures( int numtexs, mstudiotexture_t *p1, remap_i
 
 	p2 = remap->ptexture;
 
-	for( i = 0; i < numtexs; i++, p1++, p2++ )
+	for( int i = 0; i < numtexs; i++, p1++, p2++ )
 	{
 		if( p1->flags & STUDIO_NF_COLORMAP )
 			continue;	// colormaps always has different indexes
@@ -116,18 +115,17 @@ static void CL_DuplicateTexture( cl_entity_t *entity, model_t *model, mstudiotex
 	const char *name;
 	texture_t		*tx = NULL;
 	char		texname[128];
-	int		i, index;
 	size_t size;
 	byte		paletteBackup[768];
 	byte		*raw, *pal;
+	int		index = ptexture->index;
 
 	// save off the real texture index
-	index = ptexture->index;
 	name = ref.dllFuncs.GL_TextureName( index );
 	Q_snprintf( texname, sizeof( texname ), "#%i_%s", entity->curstate.number, name + 1 );
 
 	// search for pixels
-	for( i = 0; i < model->numtextures; i++ )
+	for( int i = 0; i < model->numtextures; i++ )
 	{
 		tx = model->textures[i];
 		if( tx->gl_texturenum == index )
@@ -161,7 +159,7 @@ static void CL_UpdateStudioTexture( cl_entity_t *entity, mstudiotexture_t *ptext
 	texture_t		*tx = NULL;
 	char		texname[128], name[128], mdlname[128];
 	const char	*origtexname;
-	int		i, index;
+	int		index;
 	size_t size;
 	byte		paletteBackup[768];
 	byte		*raw, *pal;
@@ -180,7 +178,7 @@ static void CL_UpdateStudioTexture( cl_entity_t *entity, mstudiotexture_t *ptext
 		return; // couldn't find texture
 
 	// search for pixels
-	for( i = 0; i < entity->model->numtextures; i++ )
+	for( int i = 0; i < entity->model->numtextures; i++ )
 	{
 		tx = entity->model->textures[i];
 		if( tx->gl_texturenum == index )
@@ -259,12 +257,10 @@ Release remap info per entity
 */
 static void CL_FreeRemapInfo( remap_info_t *info )
 {
-	int	i;
-
 	Assert( info != NULL );
 
 	// release all colormap texture copies
-	for( i = 0; i < info->numtextures; i++ )
+	for( int i = 0; i < info->numtextures; i++ )
 	{
 		if( info->ptexture != NULL )
 		{
@@ -438,11 +434,9 @@ Release all remap infos
 */
 void CL_ClearAllRemaps( void )
 {
-	int	i;
-
 	if( clgame.remap_info )
 	{
-		for( i = 0; i < clgame.maxRemapInfos; i++ )
+		for( int i = 0; i < clgame.maxRemapInfos; i++ )
 		{
 			if( clgame.remap_info[i] )
 				CL_FreeRemapInfo( clgame.remap_info[i] );

engine/client/cl_scrn.c

@@ -50,9 +50,7 @@ SCR_DrawFPS
 */
 void SCR_DrawFPS( int height )
 {
-	float		calc;
 	rgba_t		color;
-	double		newtime;
 	static double	nexttime = 0, lasttime = 0;
 	static double	framerate = 0;
 	static int	framecount = 0;
@@ -73,7 +71,7 @@ void SCR_DrawFPS( int height )
 	default: return;
 	}
 
-	newtime = Platform_DoubleTime();
+	double newtime = Platform_DoubleTime();
 	if( newtime >= nexttime )
 	{
 		framerate = framecount / (newtime - lasttime);
@@ -82,7 +80,7 @@ void SCR_DrawFPS( int height )
 		framecount = 0;
 	}
 
-	calc = framerate;
+	float calc = framerate;
 	framecount++;
 
 	if( calc < 1.0f )
@@ -120,15 +118,13 @@ Draw local player position, angles and velocity
 void SCR_DrawPos( void )
 {
 	static char     msg[MAX_SYSPATH];
-	float speed;
-	cl_entity_t *ent;
 	rgba_t color;
 
 	if( cls.state != ca_active || !cl_showpos.value || cl.background )
 		return;
 
-	ent = CL_GetLocalPlayer();
-	speed = VectorLength( cl.simvel );
+	cl_entity_t *ent = CL_GetLocalPlayer();
+	float speed = VectorLength( cl.simvel );
 
 	Q_snprintf( msg, MAX_SYSPATH,
 		"pos: %.2f %.2f %.2f\n"
@@ -153,23 +149,22 @@ SCR_DrawEnts
 void SCR_DrawEnts( void )
 {
 	rgba_t color = { 255, 255, 255, 255 };
-	int i;
 
 	if( cls.state != ca_active || !cl_showents.value || ( cl.maxclients > 1 && !cls.demoplayback ))
 		return;
 
 	// this probably better hook CL_AddVisibleEntities
 	// as entities might get added by client.dll
-	for( i = 0; i < clgame.maxEntities; i++ )
+	for( int i = 0; i < clgame.maxEntities; i++ )
 	{
 		const cl_entity_t *ent = &clgame.entities[i];
 		string msg;
-		vec3_t screen, pos;
+		vec3_t screen;
 
 		if( ent->curstate.messagenum != cl.parsecount )
 			continue;
 
-		VectorCopy( ent->origin, pos );
+		vec3_t pos = Vec3( ent->origin );
 
 		if( ent->model != NULL )
 		{
@@ -241,12 +236,12 @@ void SCR_DrawUserCmd( void )
 	};
 	cl_font_t *font = Con_GetCurFont();
 	string msg;
-	int i, ypos = 100;
+	int ypos = 100;
 
 	if( cls.state != ca_active || !cl_showcmd.value )
 		return;
 
-	for( i = 0; i < ARRAYSIZE( buttons ); i++ )
+	for( int i = 0; i < ARRAYSIZE( buttons ); i++ )
 	{
 		rgba_t rgba;
 
@@ -280,7 +275,6 @@ same as r_speeds but for network channel
 void SCR_NetSpeeds( void )
 {
 	static char	msg[MAX_SYSPATH];
-	int		x, y;
 	float		time = cl.mtime[0];
 	static int	min_svfps = 100;
 	static int	max_svfps = 0;
@@ -326,8 +320,8 @@ void SCR_NetSpeeds( void )
 		Q_memprint( cls.netchan.total_sended )
 	);
 
-	x = refState.width - 320 * font->scale;
-	y = 384;
+	int x = refState.width - 320 * font->scale;
+	int y = 384;
 
 	MakeRGBA( color, 255, 255, 255, 255 );
 	CL_DrawString( x, y, msg, color, font, FONT_DRAW_RESETCOLORONLF );
@@ -347,12 +341,11 @@ void SCR_RSpeeds( void )
 
 	if( ref.dllFuncs.R_SpeedsMessage( msg, sizeof( msg )))
 	{
-		int	x, y;
 		rgba_t	color;
 		cl_font_t *font = Con_GetCurFont();
 
-		x = refState.width - 340 * font->scale;
-		y = 64;
+		int x = refState.width - 340 * font->scale;
+		int y = 64;
 
 		MakeRGBA( color, 255, 255, 255, 255 );
 		CL_DrawString( x, y, msg, color, font, FONT_DRAW_RESETCOLORONLF );
@@ -386,11 +379,10 @@ static void VID_WriteOverviewScript( void )
 {
 	ref_overview_t	*ov = &clgame.overView;
 	string		filename;
-	file_t		*f;
 
 	Q_snprintf( filename, sizeof( filename ), "overviews/%s.txt", clgame.mapname );
 
-	f = FS_Open( filename, "w", false );
+	file_t		*f = FS_Open( filename, "w", false );
 	if( !f )
 	{
 		Con_Printf( S_ERROR "%s: can't open %s for write\n", __func__, filename );
@@ -586,7 +578,6 @@ void SCR_TileClear( void )
 {
 	int	i, top, bottom, left, right, texnum;
 	dirty_t	clear;
-	float tw, th;
 
 	if( likely( scr_viewsize.value >= 120 ))
 		return; // full screen rendering
@@ -634,8 +625,8 @@ void SCR_TileClear( void )
 	left = clgame.viewport[0];
 	right = left + clgame.viewport[2] - 1;
 
-	tw = REF_GET_PARM( PARM_TEX_SRC_WIDTH, texnum );
-	th = REF_GET_PARM( PARM_TEX_SRC_HEIGHT, texnum );
+	float tw = REF_GET_PARM( PARM_TEX_SRC_WIDTH, texnum );
+	float th = REF_GET_PARM( PARM_TEX_SRC_HEIGHT, texnum );
 
 	if( clear.y1 < top )
 	{
@@ -749,11 +740,9 @@ void SCR_LoadCreditsFont( void )
 	// copy font size for client.dll
 	if( success )
 	{
-		int i;
-
 		clgame.scrInfo.iCharHeight = cls.creditsFont.charHeight;
 
-		for( i = 0; i < ARRAYSIZE( cls.creditsFont.charWidths ); i++ )
+		for( int i = 0; i < ARRAYSIZE( cls.creditsFont.charWidths ); i++ )
 			clgame.scrInfo.charWidths[i] = cls.creditsFont.charWidths[i];
 	}
 	else Con_DPrintf( S_ERROR "failed to load HUD font\n" );

engine/client/cl_spray.c

@@ -27,10 +27,10 @@ GNU General Public License for more details.
 static void CL_AdjustSprayDimensions( int *width, int *height )
 {
 	float aspect = (float)( *width ) / (float)( *height );
-	int   h, w;
-	for( h = (( *height ) / 16 ) * 16; h >= 16; h -= 16 )
+
+	for( int h = (( *height ) / 16 ) * 16; h >= 16; h -= 16 )
 	{
-		w = ((int)( h * aspect ) / 16 ) * 16;
+		int w = ((int)( h * aspect ) / 16 ) * 16;
 		if( w < 16 || w > *width )
 			continue;
 
@@ -107,7 +107,6 @@ qboolean CL_ConvertImageToWAD3( const char *filename )
 {
 	qboolean	is_indexed_img;
 	int			width = 0, height = 0;
-	int			i;
 	byte		palette[SPRAY_PALETTE_BYTES];
 	byte		*indexed = NULL;
 	rgbdata_t	*image = NULL;
@@ -122,7 +121,7 @@ qboolean CL_ConvertImageToWAD3( const char *filename )
 	if( is_indexed_img )
 	{
 		// copy bmp palette from rgba to rgb
-		for( i = 0; i < 256; ++i )
+		for( int i = 0; i < 256; ++i )
 		{
 			palette[i * 3 + 0] = image->palette[i * 4 + 0]; // R
 			palette[i * 3 + 1] = image->palette[i * 4 + 1]; // G
@@ -141,7 +140,7 @@ qboolean CL_ConvertImageToWAD3( const char *filename )
 		// set index 255 for transparent pixels in rgba images
 		if( image->type == PF_RGBA_32 )
 		{
-			for( i = 0; i < width * height; ++i )
+			for( int i = 0; i < width * height; ++i )
 			{
 				if( image->buffer[i * 4 + 3] <= SPRAY_ALPHA_THRESHOLD )
 					quant->buffer[i] = 255;

engine/client/cl_sprite.c

@@ -33,11 +33,7 @@ assume pModel is valid
 mspriteframe_t *R_GetSpriteFrame( const model_t *pModel, int frame, float yaw )
 {
 	msprite_t      *psprite;
-	mspritegroup_t *pspritegroup;
 	mspriteframe_t *pspriteframe = NULL;
-	float          *pintervals, fullinterval;
-	int             i, numframes;
-	float           targettime;
 
 	if( !pModel )
 		return NULL;
@@ -61,14 +57,15 @@ mspriteframe_t *R_GetSpriteFrame( const model_t *pModel, int frame, float yaw )
 	}
 	else if( psprite->frames[frame].type == SPR_GROUP )
 	{
-		pspritegroup = (mspritegroup_t *)psprite->frames[frame].frameptr;
-		pintervals = pspritegroup->intervals;
-		numframes = pspritegroup->numframes;
-		fullinterval = pintervals[numframes - 1];
+		mspritegroup_t *pspritegroup = (mspritegroup_t *)psprite->frames[frame].frameptr;
+		float          *pintervals = pspritegroup->intervals;
+		int             numframes = pspritegroup->numframes;
+		float           fullinterval = pintervals[numframes - 1];
 
 		// when loading in Mod_LoadSpriteGroup, we guaranteed all interval values
 		// are positive, so we don't have to worry about division by zero
-		targettime = cl.time - ((int)( cl.time / fullinterval )) * fullinterval;
+		float targettime = cl.time - ((int)( cl.time / fullinterval )) * fullinterval;
+		int i;
 
 		for( i = 0; i < ( numframes - 1 ); i++ )
 		{
@@ -82,7 +79,7 @@ mspriteframe_t *R_GetSpriteFrame( const model_t *pModel, int frame, float yaw )
 		int angleframe = (int)( Q_rint(( refState.viewangles[1] - yaw + 45.0f ) / 360 * 8 ) - 4 ) & 7;
 
 		// e.g. doom-style sprite monsters
-		pspritegroup = (mspritegroup_t *)psprite->frames[frame].frameptr;
+		mspritegroup_t *pspritegroup = (mspritegroup_t *)psprite->frames[frame].frameptr;
 		pspriteframe = pspritegroup->frames[angleframe];
 	}
 
@@ -203,16 +200,13 @@ static const byte *Mod_SpriteLoadFrame( model_t *mod, const void *pin, mspritefr
 
 static const byte *Mod_SpriteLoadGroup( model_t *mod, const void *pin, mspriteframe_t **ppframe, int framenum )
 {
-	const dspritegroup_t    *pingroup;
+	const dspritegroup_t    *pingroup = (const dspritegroup_t *)pin;
 	mspritegroup_t          *pspritegroup;
 	const dspriteinterval_t *pin_intervals;
 	float      *poutintervals;
-	int         i, groupsize, numframes;
+	int         groupsize, numframes = pingroup->numframes;
 	const void *ptemp;
 
-	pingroup = (const dspritegroup_t *)pin;
-	numframes = pingroup->numframes;
-
 	groupsize = sizeof( mspritegroup_t ) + ( numframes - 1 ) * sizeof( pspritegroup->frames[0] );
 	pspritegroup = Mem_Calloc( mod->mempool, groupsize );
 	pspritegroup->numframes = numframes;
@@ -222,7 +216,7 @@ static const byte *Mod_SpriteLoadGroup( model_t *mod, const void *pin, mspritefr
 	poutintervals = Mem_Calloc( mod->mempool, numframes * sizeof( float ));
 	pspritegroup->intervals = poutintervals;
 
-	for( i = 0; i < numframes; i++ )
+	for( int i = 0; i < numframes; i++ )
 	{
 		*poutintervals = pin_intervals->interval;
 		if( *poutintervals <= 0.0f )
@@ -232,7 +226,7 @@ static const byte *Mod_SpriteLoadGroup( model_t *mod, const void *pin, mspritefr
 	}
 
 	ptemp = (const void *)pin_intervals;
-	for( i = 0; i < numframes; i++ )
+	for( int i = 0; i < numframes; i++ )
 	{
 		ptemp = Mod_SpriteLoadFrame( mod, ptemp, &pspritegroup->frames[i], framenum * 10 + i );
 	}
@@ -330,13 +324,12 @@ void Mod_SpriteLoadTextures( model_t *mod, const void *buffer )
 void Mod_SpriteUnloadTextures( void *data )
 {
 	msprite_t *psprite = data;
-	int i;
 
 	if( !data )
 		return;
 
 	// release all textures
-	for( i = 0; i < psprite->numframes; i++ )
+	for( int i = 0; i < psprite->numframes; i++ )
 	{
 		if( !psprite->frames[i].frameptr )
 			continue;
@@ -348,9 +341,8 @@ void Mod_SpriteUnloadTextures( void *data )
 		else
 		{
 			mspritegroup_t *pspritegroup = (mspritegroup_t *)psprite->frames[i].frameptr;
-			int j;
 
-			for( j = 0; j < pspritegroup->numframes; j++ )
+			for( int j = 0; j < pspritegroup->numframes; j++ )
 			{
 				if( pspritegroup->frames[j] )
 					ref.dllFuncs.GL_FreeTexture( pspritegroup->frames[j]->gl_texturenum );

engine/client/cl_steam.c

@@ -355,7 +355,7 @@ static void SteamBroker_UpdateIdle( void )
 	}
 }
 
-void SteamBroker_AnnounceGameStart( const char *gamedir )
+static void SteamBroker_AnnounceGameStart( const char *gamedir )
 {
 	if( Q_stricmp( cl_ticket_generator.string, "steam" ) != 0 )
 		return;
@@ -371,7 +371,7 @@ void SteamBroker_AnnounceGameStart( const char *gamedir )
 		SteamBroker_SendFrame( buf, len );
 }
 
-void SteamBroker_AnnounceGameShutdown( void )
+static void SteamBroker_AnnounceGameShutdown( void )
 {
 	if( Q_stricmp( cl_ticket_generator.string, "steam" ) != 0 )
 		return;
@@ -395,9 +395,7 @@ static void SteamBroker_UpdateConnecting( void )
 	FD_ZERO( &writefds );
 	FD_SET( broker.socket, &writefds );
 
-	struct timeval tv;
-	tv.tv_sec = 0;
-	tv.tv_usec = 0;
+	struct timeval tv = { 0 };
 
 #if XASH_WIN32
 	int select_result = select( 0, NULL, &writefds, NULL, &tv );

engine/client/cl_tent.c

@@ -120,21 +120,20 @@ void CL_AddClientResources( void )
 {
 	const char *snd;
 	char	filepath[MAX_QPATH];
-	int	i;
 
 	// don't request resources from localhost or in quake-compatibility mode
 	if( cl.maxclients <= 1 || Host_IsQuakeCompatible( ))
 		return;
 
 	// check sprites first
-	for( i = 0; i < ARRAYSIZE( cl_default_sprites ); i++ )
+	for( int i = 0; i < ARRAYSIZE( cl_default_sprites ); i++ )
 	{
 		if( !FS_FileExists( cl_default_sprites[i], false ))
 			CL_AddClientResource( cl_default_sprites[i], t_model );
 	}
 
 	// then check sounds
-	for( i = 0; ( snd = SoundList_Get( BouncePlayerShell, i )); i++ )
+	for( int i = 0; ( snd = SoundList_Get( BouncePlayerShell, i )); i++ )
 	{
 		Q_snprintf( filepath, sizeof( filepath ), DEFAULT_SOUNDPATH "%s", snd );
 
@@ -142,7 +141,7 @@ void CL_AddClientResources( void )
 			CL_AddClientResource( snd, t_sound );
 	}
 
-	for( i = 0; ( snd = SoundList_Get( BounceWeaponShell, i )); i++ )
+	for( int i = 0; ( snd = SoundList_Get( BounceWeaponShell, i )); i++ )
 	{
 		Q_snprintf( filepath, sizeof( filepath ), DEFAULT_SOUNDPATH "%s", snd );
 
@@ -150,7 +149,7 @@ void CL_AddClientResources( void )
 			CL_AddClientResource( snd, t_sound );
 	}
 
-	for( i = 0; ( snd = SoundList_Get( Explode, i )); i++ )
+	for( int i = 0; ( snd = SoundList_Get( Explode, i )); i++ )
 	{
 		Q_snprintf( filepath, sizeof( filepath ), DEFAULT_SOUNDPATH "%s", snd );
 
@@ -159,7 +158,7 @@ void CL_AddClientResources( void )
 	}
 
 #if 0	// ric sounds was precached by server-side
-	for( i = 0; ( snd = SoundList_Get( Ricochet, i )); i++ )
+	for( int i = 0; ( snd = SoundList_Get( Ricochet, i )); i++ )
 	{
 		Q_snprintf( filepath, sizeof( filepath ), DEFAULT_SOUNDPATH "%s", snd );
 
@@ -177,11 +176,9 @@ CL_ClearTempEnts
 */
 static void CL_ClearTempEnts( void )
 {
-	int	i;
-
 	if( !cl_tempents ) return;
 
-	for( i = 0; i < GI->max_tents - 1; i++ )
+	for( int i = 0; i < GI->max_tents - 1; i++ )
 	{
 		cl_tempents[i].next = &cl_tempents[i+1];
 		cl_tempents[i].entity.trivial_accept = INVALID_HANDLE;
@@ -270,14 +267,12 @@ play collide sound
 */
 static void CL_TempEntPlaySound( TEMPENTITY *pTemp, float damp )
 {
-	float	fvol;
 	const char	*soundname = NULL;
 	qboolean	isshellcasing = false;
-	int	zvel;
 
 	Assert( pTemp != NULL );
 
-	fvol = 0.8f;
+	float fvol = 0.8f;
 
 	switch( pTemp->hitSound )
 	{
@@ -315,7 +310,7 @@ static void CL_TempEntPlaySound( TEMPENTITY *pTemp, float damp )
 	if( !soundname )
 		return;
 
-	zvel = abs( pTemp->entity.baseline.origin[2] );
+	int zvel = abs( pTemp->entity.baseline.origin[2] );
 
 	// only play one out of every n
 	if( isshellcasing )
@@ -333,7 +328,6 @@ static void CL_TempEntPlaySound( TEMPENTITY *pTemp, float damp )
 	if( damp > 0.0f )
 	{
 		int	pitch;
-		sound_t	handle;
 
 		if( isshellcasing )
 			fvol *= Q_min( 1.0f, ((float)zvel) / 350.0f );
@@ -343,7 +337,7 @@ static void CL_TempEntPlaySound( TEMPENTITY *pTemp, float damp )
 			pitch = COM_RandomLong( 95, 105 );
 		else pitch = PITCH_NORM;
 
-		handle = S_RegisterSound( soundname );
+		sound_t handle = S_RegisterSound( soundname );
 		S_StartSound( pTemp->entity.origin, -(pTemp - cl_tempents), CHAN_BODY, handle, fvol, ATTN_NORM, pitch, SND_STOP_LOOPING );
 	}
 }
@@ -571,15 +565,14 @@ void GAME_EXPORT R_FizzEffect( cl_entity_t *ent, int modelIndex, int density )
 {
 	const float base_time = cl.time - 0.1f;
 	model_t	*mod = CL_ModelHandle( modelIndex );
-	vec3_t  volume, mins, maxs;
+	vec3_t  volume;
 	vec2_t  speed;
-	int     i;
 
 	if( !ent || !ent->model || !modelIndex || !mod )
 		return;
 
-	VectorCopy( ent->model->mins, mins );
-	VectorCopy( ent->model->maxs, maxs );
+	vec3_t mins = Vec3( ent->model->mins );
+	vec3_t maxs = Vec3( ent->model->maxs );
 
 	if( ent->angles[1] != 0.0f )
 	{
@@ -592,12 +585,11 @@ void GAME_EXPORT R_FizzEffect( cl_entity_t *ent, int modelIndex, int density )
 
 	VectorSubtract( maxs, mins, volume );
 
-	for( i = 0; i <= density; i++ )
+	for( int i = 0; i <= density; i++ )
 	{
 		TEMPENTITY *tent;
-		vec3_t origin;
+		vec3_t origin = Vec3( mins );
 
-		VectorCopy( mins, origin );
 		origin[0] += COM_RandomLong( 0, (int)volume[0] - 1 );
 		origin[1] += COM_RandomLong( 0, (int)volume[1] - 1 );
 
@@ -628,16 +620,13 @@ Create bubbles
 void GAME_EXPORT R_Bubbles( const vec3_t mins, const vec3_t maxs, float height, int modelIndex, int count, float speed )
 {
 	TEMPENTITY	*pTemp;
-	float		sine, cosine;
-	float		angle, zspeed;
 	vec3_t		origin;
 	model_t		*mod;
-	int		i;
 
 	if(( mod = CL_ModelHandle( modelIndex )) == NULL )
 		return;
 
-	for ( i = 0; i < count; i++ )
+	for( int i = 0; i < count; i++ )
 	{
 		origin[0] = COM_RandomLong( mins[0], maxs[0] );
 		origin[1] = COM_RandomLong( mins[1], maxs[1] );
@@ -649,10 +638,11 @@ void GAME_EXPORT R_Bubbles( const vec3_t mins, const vec3_t maxs, float height,
 
 		pTemp->x = origin[0];
 		pTemp->y = origin[1];
-		angle = COM_RandomFloat( -M_PI, M_PI );
+		float sine, cosine;
+		float angle = COM_RandomFloat( -M_PI, M_PI );
 		SinCos( angle, &sine, &cosine );
 
-		zspeed = COM_RandomLong( 80, 140 );
+		float zspeed = COM_RandomLong( 80, 140 );
 		VectorSet( pTemp->entity.baseline.origin, speed * cosine, speed * sine, zspeed );
 		pTemp->die = cl.time + ((height - (origin[2] - mins[2])) / zspeed) - 0.1f;
 		pTemp->entity.curstate.frame = COM_RandomLong( 0, pTemp->frameMax );
@@ -674,18 +664,15 @@ Create bubble trail
 void GAME_EXPORT R_BubbleTrail( const vec3_t start, const vec3_t end, float height, int modelIndex, int count, float speed )
 {
 	TEMPENTITY	*pTemp;
-	float		sine, cosine, zspeed;
-	float		dist, angle;
 	vec3_t		origin;
 	model_t		*mod;
-	int		i;
 
 	if(( mod = CL_ModelHandle( modelIndex )) == NULL )
 		return;
 
-	for( i = 0; i < count; i++ )
+	for( int i = 0; i < count; i++ )
 	{
-		dist = COM_RandomFloat( 0, 1.0 );
+		float dist = COM_RandomFloat( 0, 1.0 );
 		VectorLerp( start, dist, end, origin );
 		pTemp = CL_TempEntAlloc( origin, mod );
 		if( !pTemp ) return;
@@ -694,10 +681,11 @@ void GAME_EXPORT R_BubbleTrail( const vec3_t start, const vec3_t end, float heig
 
 		pTemp->x = origin[0];
 		pTemp->y = origin[1];
-		angle = COM_RandomFloat( -M_PI, M_PI );
+		float sine, cosine;
+		float angle = COM_RandomFloat( -M_PI, M_PI );
 		SinCos( angle, &sine, &cosine );
 
-		zspeed = COM_RandomLong( 80, 140 );
+		float zspeed = COM_RandomLong( 80, 140 );
 		VectorSet( pTemp->entity.baseline.origin, speed * cosine, speed * sine, zspeed );
 		pTemp->die = cl.time + ((height - (origin[2] - start[2])) / zspeed) - 0.1f;
 		pTemp->entity.curstate.frame = COM_RandomLong( 0, pTemp->frameMax );
@@ -719,7 +707,6 @@ Attaches entity to player
 void GAME_EXPORT R_AttachTentToPlayer( int client, int modelIndex, float zoffset, float life )
 {
 	TEMPENTITY	*pTemp;
-	vec3_t		position;
 	cl_entity_t	*pClient;
 	model_t		*pModel;
 
@@ -734,7 +721,7 @@ void GAME_EXPORT R_AttachTentToPlayer( int client, int modelIndex, float zoffset
 	if(( pModel = CL_ModelHandle( modelIndex )) == NULL )
 		return;
 
-	VectorCopy( pClient->origin, position );
+	vec3_t position = Vec3( pClient->origin );
 	position[2] += zoffset;
 
 	pTemp = CL_TempEntAllocHigh( position, pModel );
@@ -848,11 +835,9 @@ Do muzzleflash
 void GAME_EXPORT R_MuzzleFlash( const vec3_t pos, int type )
 {
 	TEMPENTITY	*pTemp;
-	int		index;
-	float		scale;
 
-	index = ( type % 10 ) % MAX_MUZZLEFLASH;
-	scale = ( type / 10 ) * 0.1f;
+	int index = ( type % 10 ) % MAX_MUZZLEFLASH;
+	float scale = ( type / 10 ) * 0.1f;
 	if( scale == 0.0f ) scale = 0.5f;
 
 	if( !cl_sprite_muzzleflash[index] )
@@ -887,20 +872,16 @@ and some blood drops. This is high-priority tent
 void GAME_EXPORT R_BloodSprite( const vec3_t org, int colorIndex, int modelIndex, int modelIndex2, float size )
 {
 	model_t		*pModel, *pModel2;
-	int		impactindex;
-	int		spatterindex;
-	int		i, splatter;
 	TEMPENTITY	*pTemp;
-	vec3_t		pos;
 
 	colorIndex += COM_RandomLong( 1, 3 );
-	impactindex = colorIndex;
-	spatterindex = colorIndex - 1;
+	int impactindex = colorIndex;
+	int spatterindex = colorIndex - 1;
 
 	// validate the model first
 	if(( pModel = CL_ModelHandle( modelIndex )) != NULL )
 	{
-		VectorCopy( org, pos );
+		vec3_t pos = Vec3( org );
 		pos[2] += COM_RandomFloat( 2.0f, 4.0f ); // make offset from ground (snarks issues)
 
 		// large, single blood sprite is a high-priority tent
@@ -926,9 +907,9 @@ void GAME_EXPORT R_BloodSprite( const vec3_t org, int colorIndex, int modelIndex
 	// validate the model first
 	if(( pModel2 = CL_ModelHandle( modelIndex2 )) != NULL )
 	{
-		splatter = size + ( COM_RandomLong( 1, 8 ) + COM_RandomLong( 1, 8 ));
+		int splatter = size + ( COM_RandomLong( 1, 8 ) + COM_RandomLong( 1, 8 ));
 
-		for( i = 0; i < splatter; i++ )
+		for( int i = 0; i < splatter; i++ )
 		{
 			// create blood drips
 			if(( pTemp = CL_TempEntAlloc( org, pModel2 )) != NULL )
@@ -973,13 +954,11 @@ void GAME_EXPORT R_BreakModel( const vec3_t pos, const vec3_t size, const vec3_t
 {
 	TEMPENTITY	*pTemp;
 	model_t		*pmodel;
-	char		type;
-	int		i, j;
 
 	if(( pmodel = CL_ModelHandle( modelIndex )) == NULL )
 		return;
 
-	type = flags & BREAK_TYPEMASK;
+	char type = flags & BREAK_TYPEMASK;
 
 	if( count == 0 )
 	{
@@ -990,9 +969,10 @@ void GAME_EXPORT R_BreakModel( const vec3_t pos, const vec3_t size, const vec3_t
 	// limit to 100 pieces
 	if( count > 100 ) count = 100;
 
-	for( i = 0; i < count; i++ )
+	for( int i = 0; i < count; i++ )
 	{
 		vec3_t	vecSpot;
+		int j;
 
 		for( j = 0; j < 32; j++ )
 		{
@@ -1209,14 +1189,12 @@ apply params for exploding sprite
 */
 void GAME_EXPORT R_Sprite_Explode( TEMPENTITY *pTemp, float scale, int flags )
 {
-	qboolean noadditive, drawalpha, rotate;
-
 	if( !pTemp )
 		return;
 
-	noadditive = FBitSet( flags, TE_EXPLFLAG_NOADDITIVE );
-	drawalpha  = FBitSet( flags, TE_EXPLFLAG_DRAWALPHA );
-	rotate     = FBitSet( flags, TE_EXPLFLAG_ROTATE );
+	qboolean noadditive = FBitSet( flags, TE_EXPLFLAG_NOADDITIVE );
+	qboolean drawalpha  = FBitSet( flags, TE_EXPLFLAG_DRAWALPHA );
+	qboolean rotate     = FBitSet( flags, TE_EXPLFLAG_ROTATE );
 
 	pTemp->entity.curstate.scale = scale;
 	pTemp->entity.baseline.origin[2] = 8.0f;
@@ -1242,11 +1220,9 @@ apply params for smoke sprite
 */
 void GAME_EXPORT R_Sprite_Smoke( TEMPENTITY *pTemp, float scale )
 {
-	int	iColor;
-
 	if( !pTemp ) return;
 
-	iColor = COM_RandomLong( 20, 35 );
+	int iColor = COM_RandomLong( 20, 35 );
 	pTemp->entity.curstate.rendermode = kRenderTransAlpha;
 	pTemp->entity.curstate.renderfx = kRenderFxNone;
 	pTemp->entity.baseline.origin[2] = 30;
@@ -1262,7 +1238,6 @@ static void R_Spray_Generic( const char *func, const vec3_t pos, const vec3_t di
 	model_t *mod = CL_ModelHandle( modelIndex );
 	float noise = spread / 100.0f;
 	float znoise = noise * 1.5f;
-	int i;
 
 	znoise = Q_min( 1.0f, znoise );
 
@@ -1272,10 +1247,9 @@ static void R_Spray_Generic( const char *func, const vec3_t pos, const vec3_t di
 		return;
 	}
 
-	for( i = 0; i < count; i++ )
+	for( int i = 0; i < count; i++ )
 	{
 		TEMPENTITY *tent = CL_TempEntAlloc( pos, mod );
-		float rand_speed;
 		vec3_t noise_vec, vout;
 
 		if( !tent )
@@ -1290,7 +1264,7 @@ static void R_Spray_Generic( const char *func, const vec3_t pos, const vec3_t di
 		noise_vec[0] = COM_RandomFloat( -noise, noise );
 		noise_vec[1] = COM_RandomFloat( -noise, noise );
 		noise_vec[2] = COM_RandomFloat( 0.0f, znoise );
-		rand_speed = COM_RandomFloat( speed * 0.8f, speed * 1.2f );
+		float rand_speed = COM_RandomFloat( speed * 0.8f, speed * 1.2f );
 
 		VectorAdd( dir, noise_vec, vout );
 		VectorScale( vout, rand_speed, tent->entity.baseline.origin );
@@ -1361,7 +1335,6 @@ void GAME_EXPORT R_Sprite_Trail( int type, vec3_t start, vec3_t end, int modelIn
 	TEMPENTITY	*pTemp;
 	vec3_t		delta, dir;
 	model_t		*pmodel;
-	int		i;
 
 	if(( pmodel = CL_ModelHandle( modelIndex )) == NULL )
 		return;
@@ -1371,7 +1344,7 @@ void GAME_EXPORT R_Sprite_Trail( int type, vec3_t start, vec3_t end, int modelIn
 
 	amp /= 256.0f;
 
-	for( i = 0; i < count; i++ )
+	for( int i = 0; i < count; i++ )
 	{
 		vec3_t	pos, vel;
 
@@ -1412,9 +1385,7 @@ void GAME_EXPORT R_FunnelSprite( const vec3_t org, int modelIndex, int reverse )
 {
 	TEMPENTITY	*pTemp;
 	vec3_t		dir, dest;
-	float		dist, vel;
 	model_t		*pmodel;
-	int		i, j;
 
 	if(( pmodel = CL_ModelHandle( modelIndex )) == NULL )
 	{
@@ -1422,9 +1393,9 @@ void GAME_EXPORT R_FunnelSprite( const vec3_t org, int modelIndex, int reverse )
 		return;
 	}
 
-	for( i = -8; i < 8; i++ )
+	for( int i = -8; i < 8; i++ )
 	{
-		for( j = -8; j < 8; j++ )
+		for( int j = -8; j < 8; j++ )
 		{
 			pTemp = CL_TempEntAlloc( org, pmodel );
 			if( !pTemp ) return;
@@ -1451,9 +1422,9 @@ void GAME_EXPORT R_FunnelSprite( const vec3_t org, int modelIndex, int reverse )
 			pTemp->entity.curstate.framerate = COM_RandomFloat( 0.1f, 0.4f );
 			pTemp->flags = FTENT_ROTATE|FTENT_FADEOUT;
 
-			vel = dest[2] / 8.0f;
+			float vel = dest[2] / 8.0f;
 			if( vel < 64.0f ) vel = 64.0f;
-			dist = VectorNormalizeLength( dir );
+			float dist = VectorNormalizeLength( dir );
 			vel += COM_RandomFloat( 64.0f, 128.0f );
 			VectorScale( dir, vel, pTemp->entity.baseline.origin );
 			pTemp->die = cl.time + (dist / vel) - 0.5f;
@@ -1484,8 +1455,7 @@ Make a random ricochet sound
 */
 static void R_RicochetSoundByName( const vec3_t pos, const char *name )
 {
-	sound_t handle;
-	handle = S_RegisterSound( name );
+	sound_t handle = S_RegisterSound( name );
 	S_StartSound( pos, 0, CHAN_AUTO, handle, VOL_NORM, 1.0, 100, 0 );
 }
 
@@ -1562,10 +1532,9 @@ Spherical shower of models, picks from set
 void GAME_EXPORT R_TempSphereModel( const vec3_t pos, float speed, float life, int count, int modelIndex )
 {
 	TEMPENTITY	*pTemp;
-	int		i;
 
 	// create temp models
-	for( i = 0; i < count; i++ )
+	for( int i = 0; i < count; i++ )
 	{
 		pTemp = CL_TempEntAlloc( pos, CL_ModelHandle( modelIndex ));
 		if( !pTemp ) return;
@@ -1609,8 +1578,6 @@ Create an explosion (scale is magnitude)
 */
 void GAME_EXPORT R_Explosion( vec3_t pos, int model, float scale, float framerate, int flags )
 {
-	sound_t	hSound;
-
 	if( scale != 0.0f )
 	{
 		// create explosion sprite
@@ -1621,10 +1588,8 @@ void GAME_EXPORT R_Explosion( vec3_t pos, int model, float scale, float framerat
 
 		if( !FBitSet( flags, TE_EXPLFLAG_NODLIGHTS ))
 		{
-			dlight_t	*dl;
-
 			// big flash
-			dl = CL_AllocDlight( 0 );
+			dlight_t *dl = CL_AllocDlight( 0 );
 			VectorCopy( pos, dl->origin );
 			dl->radius = 200;
 			dl->color.r = 250;
@@ -1650,7 +1615,7 @@ void GAME_EXPORT R_Explosion( vec3_t pos, int model, float scale, float framerat
 		const char *name = SoundList_GetRandom( Explode );
 		if( name )
 		{
-			hSound = S_RegisterSound( name );
+			sound_t hSound = S_RegisterSound( name );
 			S_StartSound( pos, 0, CHAN_STATIC, hSound, VOL_NORM, 0.3f, PITCH_NORM, 0 );
 		}
 	}
@@ -1667,21 +1632,16 @@ void GAME_EXPORT R_PlayerSprites( int client, int modelIndex, int count, int siz
 {
 	TEMPENTITY	*pTemp;
 	cl_entity_t	*pEnt;
-	vec3_t		position;
 	vec3_t		dir;
-	float		vel;
-	int		i;
 
 	pEnt = CL_GetEntityByIndex( client );
 
 	if( !pEnt || !pEnt->player )
 		return;
 
-	vel = 128;
-
-	for( i = 0; i < count; i++ )
+	for( int i = 0; i < count; i++ )
 	{
-		VectorCopy( pEnt->origin, position );
+		vec3_t position = Vec3( pEnt->origin );
 		position[0] += COM_RandomFloat( -10.0f, 10.0f );
 		position[1] += COM_RandomFloat( -10.0f, 10.0f );
 		position[2] += COM_RandomFloat( -20.0f, 36.0f );
@@ -1732,16 +1692,13 @@ void GAME_EXPORT R_FireField( float *org, int radius, int modelIndex, int count,
 {
 	TEMPENTITY	*pTemp;
 	model_t		*pmodel;
-	float		time;
-	vec3_t		pos;
-	int		i;
 
 	if(( pmodel = CL_ModelHandle( modelIndex )) == NULL )
 		return;
 
-	for( i = 0; i < count; i++ )
+	for( int i = 0; i < count; i++ )
 	{
-		VectorCopy( org, pos );
+		vec3_t pos = Vec3( org );
 		pos[0] += COM_RandomFloat( -radius, radius );
 		pos[1] += COM_RandomFloat( -radius, radius );
 
@@ -1770,7 +1727,7 @@ void GAME_EXPORT R_FireField( float *org, int radius, int modelIndex, int count,
 		}
 
 		pTemp->entity.curstate.framerate = COM_RandomFloat( 0.75f, 1.25f );
-		time = life + COM_RandomFloat( -0.25f, 0.5f );
+		float time = life + COM_RandomFloat( -0.25f, 0.5f );
 		pTemp->die = cl.time + time;
 
 		if( pTemp->frameMax > 1 )
@@ -1807,13 +1764,12 @@ void GAME_EXPORT R_MultiGunshot( const vec3_t org, const vec3_t dir, const vec3_
 {
 	pmtrace_t	trace;
 	vec3_t	right, up;
-	vec3_t	vecSrc, vecDir, vecEnd;
-	int	i, j, decalIndex;
+	vec3_t	vecDir, vecEnd;
 
 	VectorVectors( dir, right, up );
-	VectorCopy( org, vecSrc );
+	vec3_t vecSrc = Vec3( org );
 
-	for( i = 0; i < count; i++ )
+	for( int i = 0; i < count; i++ )
 	{
 		// get circular gaussian spread
 		float x, y, z;
@@ -1823,7 +1779,7 @@ void GAME_EXPORT R_MultiGunshot( const vec3_t org, const vec3_t dir, const vec3_
 			z = x * x + y * y;
 		} while( z > 1.0f );
 
-		for( j = 0; j < 3; j++ )
+		for( int j = 0; j < 3; j++ )
 		{
 			vecDir[j] = dir[j] + x * noise[0] * right[j] + y * noise[1] * up[j];
 			vecEnd[j] = vecSrc[j] + 4096.0f * vecDir[j];
@@ -1845,7 +1801,7 @@ void GAME_EXPORT R_MultiGunshot( const vec3_t org, const vec3_t dir, const vec3_
 			if( pe && ( pe->solid == SOLID_BSP || pe->movetype == MOVETYPE_PUSHSTEP ))
 			{
 				cl_entity_t *e = CL_GetEntityByIndex( pe->info );
-				decalIndex = CL_DecalIndex( decalIndices[COM_RandomLong( 0, decalCount-1 )] );
+				int decalIndex = CL_DecalIndex( decalIndices[COM_RandomLong( 0, decalCount-1 )] );
 				CL_DecalShoot( decalIndex, e->index, 0, trace.endpos, 0 );
 			}
 		}
@@ -1884,7 +1840,6 @@ void CL_ParseTempEntity( sizebuf_t *msg, connprotocol_t proto )
 {
 	sizebuf_t		buf, *pbuf;
 	byte		msg_data[2048];
-	int		iSize;
 	int		type, color, count, flags;
 	int		decalIndex = 0, modelIndex = 0, entityIndex = 0;
 	float		scale, life, frameRate, vel, random;
@@ -1899,11 +1854,15 @@ void CL_ParseTempEntity( sizebuf_t *msg, connprotocol_t proto )
 
 	if( proto != PROTO_GOLDSRC )
 	{
-		iSize = MSG_ReadWord( msg );
+		int iSize = MSG_ReadWord( msg );
 
 		// this will probably be fatal anyway
 		if( iSize > sizeof( msg_data ))
+		{
 			Con_Printf( S_ERROR "%s: Temp buffer overflow!\n", __func__ );
+			MSG_SeekToBit( msg, iSize << 3, SEEK_CUR );
+			return;
+		}
 
 		// parse user message into buffer
 		MSG_ReadBytes( msg, msg_data, iSize );
@@ -2429,28 +2388,25 @@ static void CL_ClearLightStyles( void )
 
 void CL_SetLightstyle( int style, const char *s, float f )
 {
-	int i;
-	lightstyle_t *ls;
-
 	if( unlikely( style < 0 || style >= MAX_LIGHTSTYLES ))
 	{
 		Con_Printf( S_WARN "%s: ignored invalid lightstyle id %d\n", __func__, style );
 		return;
 	}
 
-	ls = &cl.lightstyles[style];
+	lightstyle_t *ls = &cl.lightstyles[style];
 
 	ls->length = Q_strncpy( ls->pattern, s, sizeof( ls->pattern ));
 	ls->time = f; // set local time
 
-	for( i = 0; i < ls->length; i++ )
+	for( int i = 0; i < ls->length; i++ )
 		ls->map[i] = (float)(s[i] - 'a');
 
 	ls->interp = (ls->length <= 1) ? false : true;
 
 	// check for allow interpolate
 	// NOTE: fast flickering styles looks ugly when interpolation is running
-	for( i = 0; i < ( ls->length - 1 ); i++ )
+	for( int i = 0; i < ( ls->length - 1 ); i++ )
 	{
 		float val1 = ls->map[( i + 0 ) % ls->length];
 		float val2 = ls->map[( i + 1 ) % ls->length];
@@ -2587,9 +2543,8 @@ void CL_DecayLights( void )
 {
 	const float time = cl.time;
 	const float dt = cl.time - cl.oldtime;
-	int	i;
 
-	for( i = 0; i < MAX_DLIGHTS; i++ )
+	for( int i = 0; i < MAX_DLIGHTS; i++ )
 	{
 		dlight_t *dl = &cl_dlights[i];
 
@@ -2607,7 +2562,7 @@ void CL_DecayLights( void )
 			memset( dl, 0, sizeof( *dl ));
 	}
 
-	for( i = 0; i < MAX_ELIGHTS; i++ )
+	for( int i = 0; i < MAX_ELIGHTS; i++ )
 	{
 		dlight_t *dl = &cl_elights[i];
 
@@ -2649,7 +2604,6 @@ static void CL_UpdateFlashlight( cl_entity_t *ent )
 {
 	vec3_t		forward, view_ofs;
 	vec3_t		vecSrc, vecEnd;
-	float		falloff;
 	pmtrace_t		trace;
 	cl_entity_t	*hit;
 	dlight_t		*dl;
@@ -2694,7 +2648,7 @@ static void CL_UpdateFlashlight( cl_entity_t *ent )
 	VectorCopy( trace->endpos, dl->origin );
 #endif
 	// compute falloff
-	falloff = trace.fraction * FLASHLIGHT_DISTANCE;
+	float falloff = trace.fraction * FLASHLIGHT_DISTANCE;
 	if( falloff < 500.0f ) falloff = 1.0f;
 	else falloff = 500.0f / falloff;
 	falloff *= falloff;
@@ -2878,25 +2832,22 @@ if cl_testlights is set, create 32 lights models
 */
 void CL_TestLights( void )
 {
-	int	i, j, numLights;
 	vec3_t	forward, right;
-	float	f, r;
-	dlight_t	*dl;
 
 	if( !cl_testlights.value )
 		return;
 
-	numLights = bound( 1, cl_testlights.value, MAX_DLIGHTS );
+	int numLights = bound( 1, cl_testlights.value, MAX_DLIGHTS );
 	AngleVectors( cl.viewangles, forward, right, NULL );
 
-	for( i = 0; i < numLights; i++ )
+	for( int i = 0; i < numLights; i++ )
 	{
-		dl = &cl_dlights[i];
+		dlight_t *dl = &cl_dlights[i];
 
-		r = 64 * ((i % 4) - 1.5f );
-		f = 64 * ( i / 4) + 128;
+		float r = 64 * ((i % 4) - 1.5f );
+		float f = 64 * ( i / 4) + 128;
 
-		for( j = 0; j < 3; j++ )
+		for( int j = 0; j < 3; j++ )
 			dl->origin[j] = cl.simorg[j] + forward[j] * f + right[j] * r;
 
 		dl->color.r = ((((i % 6) + 1) & 1)>>0) * 255;
@@ -2996,13 +2947,11 @@ get decal global index from decalname
 */
 int GAME_EXPORT CL_DecalIndexFromName( const char *name )
 {
-	int	i;
-
 	if( COM_StringEmptyOrNULL( name ))
 		return 0;
 
 	// look through the loaded sprite name list for SpriteName
-	for( i = 1; i < MAX_DECALS && host.draw_decals[i][0]; i++ )
+	for( int i = 1; i < MAX_DECALS && host.draw_decals[i][0]; i++ )
 	{
 		if( !Q_stricmp( name, host.draw_decals[i] ))
 			return i;
@@ -3099,13 +3048,11 @@ e.g. by demo request
 */
 void CL_ClearStaticEntities( void )
 {
-	int	i;
-
 	if( host.type == HOST_DEDICATED )
 		return;
 
 	// clear out efrags in case the level hasn't been reloaded
-	for( i = 0; i < cl.worldmodel->numleafs; i++ )
+	for( int i = 0; i < cl.worldmodel->numleafs; i++ )
 		cl.worldmodel->leafs[i+1].efrags = NULL;
 
 	clgame.numStatics = 0;

engine/client/cl_video.c

@@ -192,11 +192,9 @@ SCR_PlayCinematic
 qboolean SCR_PlayCinematic( const char *arg )
 {
 	int x, y, w, h;
-	const char	*fullpath;
+	const char	*fullpath = FS_GetDiskPath( arg, false );
 	double video_ratio, screen_ratio, scale;
 
-	fullpath = FS_GetDiskPath( arg, false );
-
 	if( FS_FileExists( arg, false ) && !fullpath )
 	{
 		Con_Printf( S_ERROR "Couldn't load %s from packfile. Please extract it\n", arg );

engine/client/cl_view.c

@@ -187,18 +187,15 @@ merge refdef with overview settings
 static void V_RefApplyOverview( ref_viewpass_t *rvp )
 {
 	ref_overview_t	*ov = &clgame.overView;
-	float		aspect;
-	float		size_x, size_y;
-	vec2_t		mins, maxs;
 
 	if( !CL_IsDevOverviewMode( ))
 		return;
 
 	// NOTE: Xash3D may use 16:9 or 16:10 aspects
-	aspect = (float)refState.width / (float)refState.height;
+	float aspect = (float)refState.width / (float)refState.height;
 
-	size_x = fabs( 8192.0f / ov->flZoom );
-	size_y = fabs( 8192.0f / (ov->flZoom * aspect ));
+	float size_x = fabs( 8192.0f / ov->flZoom );
+	float size_y = fabs( 8192.0f / (ov->flZoom * aspect ));
 
 	// compute rectangle
 	ov->xLeft = -(size_x / 2);
@@ -214,8 +211,8 @@ static void V_RefApplyOverview( ref_viewpass_t *rvp )
 
 	VectorCopy( ov->origin, rvp->vieworigin );
 	rvp->vieworigin[2] = ov->zFar + ov->zNear;
-	Vector2Copy( rvp->vieworigin, mins );
-	Vector2Copy( rvp->vieworigin, maxs );
+	vec2_t mins = Vec2( rvp->vieworigin );
+	vec2_t maxs = Vec2( rvp->vieworigin );
 
 	mins[!ov->rotated] += ov->xLeft;
 	maxs[!ov->rotated] += ov->xRight;
@@ -238,13 +235,11 @@ V_CalcFov
 */
 static float V_CalcFov( float *fov_x, float width, float height )
 {
-	float	x, half_fov_y;
-
 	if( *fov_x < 1.0f || *fov_x > 179.0f )
 		*fov_x = 90.0f; // default value
 
-	x = width / tan( DEG2RAD( *fov_x ) * 0.5f );
-	half_fov_y = atan( height / x );
+	float x = width / tan( DEG2RAD( *fov_x ) * 0.5f );
+	float half_fov_y = atan( height / x );
 
 	return RAD2DEG( half_fov_y ) * 2;
 }
@@ -500,13 +495,12 @@ static void R_ShowTree( void )
 {
 	float	x = (float)((refState.width - (int)POINT_SIZE) >> 1);
 	float	y = NODE_INTERVAL_Y(1.0f);
-	mleaf_t *viewleaf;
 
 	if( !cl.worldmodel || !r_showtree.value )
 		return;
 
 	world.recursion_level = 0;
-	viewleaf = Mod_PointInLeaf( refState.vieworg, cl.worldmodel->nodes, cl.worldmodel );
+	mleaf_t *viewleaf = Mod_PointInLeaf( refState.vieworg, cl.worldmodel->nodes, cl.worldmodel );
 
 	ref.dllFuncs.TriRenderMode( kRenderTransTexture );
 

engine/client/console.c

@@ -159,7 +159,7 @@ static void Con_SaveHistory( con_history_t *self );
 Con_BackgroundMapActive
 ================
 */
-qboolean Con_BackgroundMapActive( void )
+static qboolean Con_BackgroundMapActive( void )
 {
 	return sv_background.value != 0.0f || cl.background;
 }
@@ -182,13 +182,11 @@ Con_SetColor
 */
 static void Con_SetColor( void )
 {
-	int r, g, b;
-	int num;
-
 	if( !FBitSet( con_color.flags, FCVAR_CHANGED ))
 		return;
 
-	num = sscanf( con_color.string, "%i %i %i", &r, &g, &b );
+	int r, g, b;
+	int num = sscanf( con_color.string, "%i %i %i", &r, &g, &b );
 
 	switch( num )
 	{
@@ -213,9 +211,7 @@ Con_ClearNotify
 */
 void Con_ClearNotify( void )
 {
-	int	i;
-
-	for( i = 0; i < CON_LINES_COUNT; i++ )
+	for( int i = 0; i < CON_LINES_COUNT; i++ )
 		CON_LINES( i ).addtime = 0.0;
 }
 
@@ -310,15 +306,13 @@ Con_SetTimes_f
 */
 static void Con_SetTimes_f( void )
 {
-	int	newtimes;
-
 	if( Cmd_Argc() != 2 )
 	{
 		Con_Printf( S_USAGE "contimes <n lines>\n" );
 		return;
 	}
 
-	newtimes = Q_atoi( Cmd_Argv( 1 ) );
+	int newtimes = Q_atoi( Cmd_Argv( 1 ) );
 	con.num_times = bound( CON_TIMES, newtimes, CON_MAX_TIMES );
 }
 
@@ -333,15 +327,12 @@ went backwards)
 */
 static void Con_FixTimes( void )
 {
-	double	diff;
-	int	i;
-
 	if( con.lines_count <= 0 ) return;
 
-	diff = cl.time - CON_LINES_LAST().addtime;
+	double diff = cl.time - CON_LINES_LAST().addtime;
 	if( diff >= 0.0 ) return; // nothing to fix
 
-	for( i = 0; i < con.lines_count; i++ )
+	for( int i = 0; i < con.lines_count; i++ )
 		CON_LINES( i ).addtime += diff;
 }
 
@@ -428,8 +419,7 @@ Appends a given string as a new line to the console.
 */
 static void Con_AddLine( const char *line, int length, qboolean newline )
 {
-	char		*putpos;
-	con_lineinfo_t	*p;
+	char *putpos;
 
 	if( !con.initialized || !con.buffer )
 		return;
@@ -442,6 +432,7 @@ static void Con_AddLine( const char *line, int length, qboolean newline )
 	while( !( putpos = Con_BytesLeft( length )) || con.lines_count >= con.maxlines )
 		Con_DeleteLine();
 
+	con_lineinfo_t *p;
 	if( newline )
 	{
 		memcpy( putpos, line, length );
@@ -475,12 +466,11 @@ If the line width has changed, reformat the buffer.
 static void Con_CheckResize( void )
 {
 	int	charWidth = 8;
-	int	i, width;
 
 	if( con.curFont && con.curFont->hFontTexture )
 		charWidth = con.curFont->charWidths['O'] - 1;
 
-	width = ( refState.width / charWidth ) - 2;
+	int width = ( refState.width / charWidth ) - 2;
 	if( !ref.initialized ) width = (640 / 5);
 
 	if( width == con.linewidth )
@@ -611,13 +601,12 @@ Con_LoadConchars
 */
 static void Con_LoadConchars( void )
 {
-	int	i, fontSize;
-
 	// load all the console fonts
-	for( i = 0; i < CON_NUMFONTS; i++ )
+	for( int i = 0; i < CON_NUMFONTS; i++ )
 		Con_LoadConsoleFont( i, con.chars + i );
 
 	// select properly fontsize
+	int fontSize;
 	if( con_fontnum.value >= 0 && con_fontnum.value <= CON_NUMFONTS - 1 )
 		fontSize = con_fontnum.value;
 	else if( refState.width <= 640 )
@@ -675,7 +664,6 @@ int Con_UtfMoveLeft( char *str, int pos )
 {
 	utfstate_t state = { 0 };
 	int k = 0;
-	int i;
 
 	if( !cls.accept_utf8 ) // incoming character is not a UTF-8 sequence
 		return pos - 1;
@@ -683,7 +671,7 @@ int Con_UtfMoveLeft( char *str, int pos )
 	if( pos == 1 )
 		return 0;
 
-	for( i = 0; i < pos - 1; i++ )
+	for( int i = 0; i < pos - 1; i++ )
 	{
 		if( Q_DecodeUTF8( &state, (byte)str[i] ))
 			k = i + 1;
@@ -702,12 +690,11 @@ get next of previous printful char
 int Con_UtfMoveRight( char *str, int pos, int length )
 {
 	utfstate_t state = { 0 };
-	int i;
 
 	if( !cls.accept_utf8 ) // incoming character is not a UTF-8 sequence
 		return pos + 1;
 
-	for( i = pos; i <= length; i++ )
+	for( int i = pos; i <= length; i++ )
 	{
 		if( Q_DecodeUTF8( &state, (byte)str[i] ))
 			return i + 1;
@@ -718,20 +705,15 @@ int Con_UtfMoveRight( char *str, int pos, int length )
 
 static void Con_DrawCharToConback( int num, const byte *conchars, byte *dest )
 {
-	int	row, col;
-	const byte	*source;
-	int	drawline;
-	int	x;
+	int row = num >> 4;
+	int col = num & 15;
+	const byte *source = conchars + (row << 10) + (col << 3);
 
-	row = num >> 4;
-	col = num & 15;
-	source = conchars + (row << 10) + (col << 3);
-
-	drawline = 8;
+	int drawline = 8;
 
 	while( drawline-- )
 	{
-		for( x = 0; x < 8; x++ )
+		for( int x = 0; x < 8; x++ )
 			if( source[x] != 255 )
 				dest[x] = 0x60 + source[x];
 		source += 128;
@@ -1105,7 +1087,7 @@ static void Con_ClearField( field_t *edit )
 Field_Set
 ================
 */
-static void Field_Set( field_t *f, const char *string )
+MAYBE_UNUSED static void Field_Set( field_t *f, const char *string )
 {
 	f->scroll = 0;
 	f->cursor = Q_strncpy( f->buffer, string, sizeof( f->buffer ));
@@ -1118,15 +1100,12 @@ Field_Paste
 */
 static void Field_Paste( field_t *edit )
 {
-	char	*cbd;
-	int	i, pasteLen;
-
-	cbd = Sys_GetClipboardData();
+	char *cbd = Sys_GetClipboardData();
 	if( !cbd ) return;
 
 	// send as if typed, so insert / overstrike works properly
-	pasteLen = Q_strlen( cbd );
-	for( i = 0; i < pasteLen; i++ )
+	int pasteLen = Q_strlen( cbd );
+	for( int i = 0; i < pasteLen; i++ )
 		Field_CharEvent( edit, cbd[i] );
 }
 
@@ -1154,8 +1133,6 @@ Key events are used for non-printable characters, others are gotten from char ev
 */
 static void Field_KeyDownEvent( field_t *edit, int key )
 {
-	int	len;
-
 	// shift-insert is paste
 	if((( key == K_INS ) || ( key == K_KP_INS )) && Key_IsDown( K_SHIFT ))
 	{
@@ -1163,7 +1140,7 @@ static void Field_KeyDownEvent( field_t *edit, int key )
 		return;
 	}
 
-	len = Q_strlen( edit->buffer );
+	int len = Q_strlen( edit->buffer );
 
 	if( key == K_DEL )
 	{
@@ -1225,8 +1202,6 @@ Field_CharEvent
 */
 static void Field_CharEvent( field_t *edit, int ch )
 {
-	int	len;
-
 	if( ch == 'v' - 'a' + 1 )
 	{
 		// ctrl-v is paste
@@ -1241,7 +1216,7 @@ static void Field_CharEvent( field_t *edit, int ch )
 		return;
 	}
 
-	len = Q_strlen( edit->buffer );
+	int len = Q_strlen( edit->buffer );
 
 	if( ch == 'a' - 'a' + 1 )
 	{
@@ -1286,7 +1261,6 @@ Field_DrawInputLine
 */
 static int Field_DrawInputLine( int x, int y, const field_t *edit, byte alpha, qboolean cursor )
 {
-	int curPos;
 	char str[MAX_SYSPATH];
 	rgba_t colorDefault;
 	const int prestep = bound( 0, edit->scroll, sizeof( edit->buffer ) - 1 );
@@ -1303,6 +1277,7 @@ static int Field_DrawInputLine( int x, int y, const field_t *edit, byte alpha, q
 
 	// calc cursor position
 	str[cursorCharPos] = 0;
+	int curPos;
 	CL_DrawStringLen( con.curFont, str, &curPos, NULL, FONT_DRAW_UTF8 );
 
 	// draw the cursor
@@ -1415,10 +1390,7 @@ static void Con_HistoryAppend( con_history_t *self, const field_t *from )
 
 static void Con_LoadHistory( con_history_t *self )
 {
-	file_t *fd;
-	int i;
-
-	fd = FS_Open( "console_history.txt", "rb", true );
+	file_t *fd = FS_Open( "console_history.txt", "rb", true );
 
 	if( !fd )
 		return;
@@ -1448,7 +1420,7 @@ static void Con_LoadHistory( con_history_t *self )
 
 	FS_Close( fd );
 
-	for( i = self->next; i < CON_HISTORY; i++ )
+	for( int i = self->next; i < CON_HISTORY; i++ )
 	{
 		history_line_t *f = &self->lines[i];
 
@@ -1460,17 +1432,15 @@ static void Con_LoadHistory( con_history_t *self )
 
 static void Con_SaveHistory( con_history_t *self )
 {
-	int historyStart = self->next - CON_HISTORY, i;
-	file_t *f;
-
 	// do not save history if nothing was executed
 	if( self->next == 0 )
 		return;
 
+	int historyStart = self->next - CON_HISTORY;
 	if( historyStart < 0 )
 		historyStart = 0;
 
-	f = FS_Open( "console_history.txt", "wb", true );
+	file_t *f = FS_Open( "console_history.txt", "wb", true );
 
 	if( !f )
 	{
@@ -1478,7 +1448,7 @@ static void Con_SaveHistory( con_history_t *self )
 		return;
 	}
 
-	for( i = historyStart; i < self->next; i++ )
+	for( int i = historyStart; i < self->next; i++ )
 	{
 		const char *s = self->lines[i % CON_HISTORY].buffer;
 
@@ -1704,15 +1674,13 @@ The input line scrolls horizontally if typing goes beyond the right edge
 */
 static void Con_DrawInput( int lines )
 {
-	int x, y;
-
 	// don't draw anything (always draw if not active)
 	if( cls.key_dest != key_console || !con.curFont )
 		return;
 
-	y = lines - ( con.curFont->charHeight * 2 );
+	int y = lines - ( con.curFont->charHeight * 2 );
 	CL_DrawCharacter( con.curFont->charWidths[' '], y, ']', g_color_table[7], con.curFont, 0 );
-	x = Field_DrawInputLine( con.curFont->charWidths[' ']*2, y, &con.input, 255, true );
+	int x = Field_DrawInputLine( con.curFont->charWidths[' ']*2, y, &con.input, 255, true );
 
 	// HACKHACK: avoid rendering issues when scroll != 0
 	if( con_showcompletion.value && con.input.scroll == 0 )
@@ -1744,18 +1712,16 @@ Custom debug messages
 static int Con_DrawDebugLines( void )
 {
 	notify_t *notify = con.notify;
-	int	i, count = 0;
-	int	defaultX;
+	int	count = 0;
 	int	y = 20;
-	int	fontTall;
 
 	if( !con.curFont || !con.curFont->valid )
 		return 0;
 
-	defaultX = refState.width / 4;
-	fontTall = con.curFont->charHeight + 1;
+	int defaultX = refState.width / 4;
+	int fontTall = con.curFont->charHeight + 1;
 
-	for( i = 0; i < ARRAYSIZE( con.notify ); i++, notify++ )
+	for( int i = 0; i < ARRAYSIZE( con.notify ); i++, notify++ )
 	{
 		int x, len;
 
@@ -1789,19 +1755,18 @@ Draws the debug messages (not passed to console history)
 void Con_DrawDebug( void )
 {
 	static double	timeStart;
-	string		dlstring;
-	int		x, y;
 
 	if( scr_download.value != -1.0f )
 	{
+		string dlstring;
 		int length;
 		Q_snprintf( dlstring, sizeof( dlstring ), "Downloading [%d remaining]: ^2%s^7 %5.1f%% time %.f secs",
 			host.downloadcount, host.downloadfile, scr_download.value, Platform_DoubleTime() - timeStart );
 
 		Con_DrawStringLen( dlstring, &length, NULL );
 		length = Q_max( length, 300 );
-		x = refState.width - length * 1.05f;
-		y = con.curFont->charHeight * 1.05f;
+		int x = refState.width - length * 1.05f;
+		int y = con.curFont->charHeight * 1.05f;
 		Con_DrawString( x, y, dlstring, g_color_table[7] );
 	}
 	else
@@ -1829,15 +1794,15 @@ Draws the last few lines of output transparently over the game top
 static void Con_DrawNotify( void )
 {
 	double	time = cl.time;
-	int	i, x, y = 0;
+	int	y = 0;
 
 	if( !con.curFont ) return;
 
-	x = con.curFont->charWidths[' ']; // offset one space at left screen side
+	int x = con.curFont->charWidths[' ']; // offset one space at left screen side
 
 	if( host.allow_console && !Con_BackgroundMapActive( ))
 	{
-		for( i = Q_max( 0, CON_LINES_COUNT - con.num_times ); i < CON_LINES_COUNT; i++ )
+		for( int i = Q_max( 0, CON_LINES_COUNT - con.num_times ); i < CON_LINES_COUNT; i++ )
 		{
 			con_lineinfo_t	*l = &CON_LINES( i );
 
@@ -1905,13 +1870,13 @@ of it based on con.backscroll.
 */
 static void Con_LastVisibleLine( int *lastline )
 {
-	int	i, lines_seen = 0;
+	int lines_seen = 0;
 
 	con.backscroll = Q_max( 0, con.backscroll );
 	*lastline = 0;
 
 	// now count until we saw con_backscroll actual lines
-	for( i = CON_LINES_COUNT - 1; i >= 0; i-- )
+	for( int i = CON_LINES_COUNT - 1; i >= 0; i-- )
 	{
 		// line is the last visible line?
 		*lastline = i;
@@ -1935,10 +1900,10 @@ Draws the console with the solid background
 */
 static void Con_DrawSolidConsole( int lines )
 {
-	int	i, x, y;
+	int	x, y;
 	float	fraction;
 	int	start;
-	int	stringLen, width = 0, charH;
+	int	stringLen, charH;
 	string	curbuild;
 	byte	color[4];
 
@@ -2086,8 +2051,6 @@ void Con_DrawVersion( void )
 {
 	// draws the current build
 	byte	*color = g_color_table[7];
-	int	stringLen, charH = 0;
-	int	start, height = refState.height;
 	string	curbuild;
 
 	if( !scr_drawversion.value )
@@ -2116,9 +2079,10 @@ void Con_DrawVersion( void )
 			XASH_ENGINE_NAME " v%i/" XASH_VERSION " (%s-%s build %i)", PROTOCOL_VERSION, Q_buildos(), Q_buildarch(), Q_buildnum( ));
 	}
 
+	int stringLen, charH = 0;
 	Con_DrawStringLen( curbuild, &stringLen, &charH );
-	start = refState.width - stringLen * 1.05f;
-	height -= charH * 1.05f;
+	int start = refState.width - stringLen * 1.05f;
+	int height = refState.height - charH * 1.05f;
 
 	Con_DrawString( start, height, curbuild, color );
 }
@@ -2132,8 +2096,6 @@ Scroll it up or down
 */
 void Con_RunConsole( void )
 {
-	float	lines_per_frame;
-
 	Con_SetColor( );
 
 	// decide on the destination height of the console
@@ -2149,7 +2111,7 @@ void Con_RunConsole( void )
 	}
 	else con.showlines = 0; // none visible
 
-	lines_per_frame = fabs( scr_conspeed.value ) * host.realframetime;
+	float lines_per_frame = fabs( scr_conspeed.value ) * host.realframetime;
 
 	if( con.showlines < con.vislines )
 	{
@@ -2224,9 +2186,7 @@ void Con_CharEvent( int key )
 
 static int Con_LoadSimpleConback( const char *name, int flags )
 {
-	int i;
-
-	for( i = 0; i < 5; i++ )
+	for( int i = 0; i < 5; i++ )
 	{
 		string path;
 
@@ -2311,15 +2271,13 @@ void Con_VidInit( void )
 		{
 			lmp_t	*cb = (lmp_t *)FS_LoadFile( "gfx/conback.lmp", &length, false );
 			char	ver[64];
-			byte	*dest;
-			int	x, y, len;
 
 			if( cb && cb->width == 320 && cb->height == 200 )
 			{
-				len = Q_snprintf( ver, 64, "%i", Q_buildnum( )); // can store only buildnum
-				dest = (byte *)(cb + 1) + 320 * 186 + 320 - 11 - 8 * len;
-				y = len;
-				for( x = 0; x < y; x++ )
+				int len = Q_snprintf( ver, 64, "%i", Q_buildnum( )); // can store only buildnum
+				byte *dest = (byte *)(cb + 1) + 320 * 186 + 320 - 11 - 8 * len;
+				int y = len;
+				for( int x = 0; x < y; x++ )
 					Con_DrawCharToConback( ver[x], buf, dest + (x << 3));
 				con.background = ref.dllFuncs.GL_LoadTexture( "#gfx/conback.lmp", (byte *)cb, length, TF_IMAGE );
 			}
@@ -2344,8 +2302,7 @@ Con_InvalidateFonts
 */
 void Con_InvalidateFonts( void )
 {
-	int i;
-	for( i = 0; i < ARRAYSIZE( con.chars ); i++ )
+	for( int i = 0; i < ARRAYSIZE( con.chars ); i++ )
 		CL_FreeFont( &con.chars[i] );
 	con.curFont = NULL;
 }
@@ -2399,9 +2356,8 @@ static void Test_RunConHistory( void )
 	const char *strs1[] = { "map t0a0", "quit", "wtf", "wtf", "", "nyan" };
 	const char *strs2[] = { "nyan", "wtf", "quit", "map t0a0" };
 	const char *testbackup = "unfinished_edit";
-	int i;
 
-	for( i = 0; i < ARRAYSIZE( strs1 ); i++ )
+	for( int i = 0; i < ARRAYSIZE( strs1 ); i++ )
 	{
 		Field_Set( &input, strs1[i] );
 		Con_HistoryAppend( &hist, &input );
@@ -2409,7 +2365,7 @@ static void Test_RunConHistory( void )
 
 	Field_Set( &input, testbackup );
 
-	for( i = 0; i < ARRAYSIZE( strs2 ); i++ )
+	for( int i = 0; i < ARRAYSIZE( strs2 ); i++ )
 	{
 		Con_HistoryUp( &hist, &input );
 		TASSERT_STR( input.buffer, strs2[i] );
@@ -2418,7 +2374,7 @@ static void Test_RunConHistory( void )
 	// check for overrun
 	Con_HistoryUp( &hist, &input );
 
-	for( i = ARRAYSIZE( strs2 ) - 1; i >= 0; i-- )
+	for( int i = ARRAYSIZE( strs2 ) - 1; i >= 0; i-- )
 	{
 		TASSERT_STR( input.buffer, strs2[i] );
 		Con_HistoryDown( &hist, &input );

engine/client/dll_int/cl_game.c

@@ -172,8 +172,6 @@ Initialize CD playlist
 */
 static void CL_InitCDAudio( const char *filename )
 {
-	byte *afile;
-	char *pfile;
 	string	token;
 	int	c = 0;
 
@@ -183,10 +181,10 @@ static void CL_InitCDAudio( const char *filename )
 		CL_CreatePlaylist( filename );
 	}
 
-	afile = FS_LoadFile( filename, NULL, false );
+	byte *afile = FS_LoadFile( filename, NULL, false );
 	if( !afile ) return;
 
-	pfile = (char *)afile;
+	char *pfile = (char *)afile;
 
 	// format: trackname\n [num]
 	while(( pfile = COM_ParseFile( pfile, token, sizeof( token ))) != NULL )
@@ -318,14 +316,12 @@ draw hudsprite routine
 */
 void SPR_AdjustSize( float *x, float *y, float *w, float *h )
 {
-	float	xscale, yscale;
-
 	if( refState.width == clgame.scrInfo.iWidth && refState.height == clgame.scrInfo.iHeight )
 		return;
 
 	// scale for screen sizes
-	xscale = refState.width / (float)clgame.scrInfo.iWidth;
-	yscale = refState.height / (float)clgame.scrInfo.iHeight;
+	float xscale = refState.width / (float)clgame.scrInfo.iWidth;
+	float yscale = refState.height / (float)clgame.scrInfo.iHeight;
 
 	*x *= xscale;
 	*y *= yscale;
@@ -369,7 +365,6 @@ draw hudsprite routine
 static void SPR_DrawGeneric( int frame, float x, float y, float width, float height, const wrect_t *prc )
 {
 	float	s1, s2, t1, t2;
-	int	texnum;
 
 	if( width == -1 && height == -1 )
 	{
@@ -382,7 +377,7 @@ static void SPR_DrawGeneric( int frame, float x, float y, float width, float hei
 		height = h;
 	}
 
-	texnum = R_GetSpriteTexture( clgame.ds.pSprite, frame );
+	int texnum = R_GetSpriteTexture( clgame.ds.pSprite, frame );
 
 	if( prc )
 	{
@@ -430,11 +425,8 @@ called each frame
 void CL_DrawCenterPrint( void )
 {
 	cl_font_t *font = Con_GetCurFont();
-	char	*pText;
-	int	i, j, x, y;
-	int	width, lineLength;
-	byte	*colorDefault, line[MAX_LINELENGTH];
-	int	charWidth, charHeight;
+	byte	line[MAX_LINELENGTH];
+	int	charHeight;
 
 	if( !clgame.centerPrint.time )
 		return;
@@ -446,17 +438,17 @@ void CL_DrawCenterPrint( void )
 		return;
 	}
 
-	y = clgame.centerPrint.y; // start y
-	colorDefault = g_color_table[7];
-	pText = clgame.centerPrint.message;
+	int y = clgame.centerPrint.y; // start y
+	byte *colorDefault = g_color_table[7];
+	char *pText = clgame.centerPrint.message;
 
 	CL_DrawCharacterLen( font, 0, NULL, &charHeight );
 	CL_SetFontRendermode( font );
 	CL_SetFontColor( font, colorDefault );
-	for( i = 0; i < clgame.centerPrint.lines; i++ )
+	for( int i = 0; i < clgame.centerPrint.lines; i++ )
 	{
-		lineLength = 0;
-		width = 0;
+		int lineLength = 0;
+		int width = 0;
 
 		while( *pText && *pText != '\n' && lineLength < MAX_LINELENGTH )
 		{
@@ -466,6 +458,7 @@ void CL_DrawCenterPrint( void )
 				continue;
 
 			line[lineLength] = number;
+			int charWidth;
 			CL_DrawCharacterLen( font, number, &charWidth, NULL );
 			width += charWidth;
 			lineLength++;
@@ -477,9 +470,9 @@ void CL_DrawCenterPrint( void )
 		pText++; // Skip LineFeed
 		line[lineLength] = 0;
 
-		x = CL_AdjustXPos( -1, width, clgame.centerPrint.totalWidth );
+		int x = CL_AdjustXPos( -1, width, clgame.centerPrint.totalWidth );
 
-		for( j = 0; j < lineLength; j++ )
+		for( int j = 0; j < lineLength; j++ )
 		{
 			if( x >= 0 && y >= 0 && x <= refState.width )
 				x += CL_DrawCharacter( x, y, line[j], NULL, font, FONT_DRAW_HUD | FONT_DRAW_NORENDERMODE | FONT_DRAW_NOCOLOR );
@@ -534,9 +527,7 @@ can be modulated
 static void CL_DrawScreenFade( void )
 {
 	screenfade_t	*sf = &clgame.fade;
-	int		alpha;
-
-	alpha = V_FadeAlpha( sf );
+	int alpha = V_FadeAlpha( sf );
 
 	if( !alpha )
 		return;
@@ -619,11 +610,9 @@ Parse TE_TEXTMESSAGE
 void CL_ParseTextMessage( sizebuf_t *msg )
 {
 	static int		msgindex = 0;
-	client_textmessage_t	*text;
-	int			channel;
 
 	// read channel ( 0 - auto)
-	channel = MSG_ReadByte( msg );
+	int channel = MSG_ReadByte( msg );
 
 	if( channel <= 0 || channel > ( MAX_TEXTCHANNELS - 1 ))
 	{
@@ -632,7 +621,7 @@ void CL_ParseTextMessage( sizebuf_t *msg )
 	}
 
 	// grab message channel
-	text = &cl_textmessage[channel];
+	client_textmessage_t *text = &cl_textmessage[channel];
 
 	text->x = (float)(MSG_ReadShort( msg ) / 8192.0f);
 	text->y = (float)(MSG_ReadShort( msg ) / 8192.0f);
@@ -680,12 +669,9 @@ return soundname from index
 */
 static const char *CL_SoundFromIndex( int index )
 {
-	sfx_t	*sfx = NULL;
-	int	hSound;
-
 	// make sure what we in-bounds
 	index = bound( 0, index, MAX_SOUNDS );
-	hSound = cl.sound_index[index];
+	int hSound = cl.sound_index[index];
 
 	if( !hSound )
 	{
@@ -693,7 +679,7 @@ static const char *CL_SoundFromIndex( int index )
 		return NULL;
 	}
 
-	sfx = S_GetSfxByHandle( hSound );
+	sfx_t *sfx = S_GetSfxByHandle( hSound );
 	if( !sfx )
 	{
 		Con_DPrintf( S_ERROR "%s: bad sfx for index %i\n", __func__, index );
@@ -740,8 +726,6 @@ perform common scissor test
 */
 qboolean CL_Scissor( const scissor_state_t *scissor, float *x, float *y, float *width, float *height, float *u0, float *v0, float *u1, float *v1 )
 {
-	float dudx, dvdy;
-
 	if( !scissor->test )
 		return true;
 
@@ -758,8 +742,8 @@ qboolean CL_Scissor( const scissor_state_t *scissor, float *x, float *y, float *
 	if( *y >= scissor->y + scissor->height )
 		return false;
 
-	dudx = (*u1 - *u0) / *width;
-	dvdy = (*v1 - *v0) / *height;
+	float dudx = (*u1 - *u0) / *width;
+	float dvdy = (*v1 - *v0) / *height;
 
 	if( *x < scissor->x )
 	{
@@ -946,9 +930,7 @@ void CL_DrawHUD( int state )
 
 static void CL_ClearUserMessage( char *pszName, int svc_num )
 {
-	int i;
-
-	for( i = 0; i < MAX_USER_MESSAGES && clgame.msg[i].name[0]; i++ )
+	for( int i = 0; i < MAX_USER_MESSAGES && clgame.msg[i].name[0]; i++ )
 		if( ( clgame.msg[i].number == svc_num ) && Q_stricmp( clgame.msg[i].name, pszName ) )
 			clgame.msg[i].number = 0;
 }
@@ -1072,9 +1054,7 @@ free studio cache on change level
 */
 void CL_ClearSpriteTextures( void )
 {
-	int	i;
-
-	for( i = 1; i < MAX_CLIENT_SPRITES; i++ )
+	for( int i = 1; i < MAX_CLIENT_SPRITES; i++ )
 	{
 		if( clgame.sprites[i].needload == NL_UNREFERENCED )
 			continue;
@@ -1212,8 +1192,6 @@ upload sprite frames
 */
 static qboolean CL_LoadHudSprite( const char *szSpriteName, model_t *m_pSprite, uint type, uint texFlags )
 {
-	byte	*buf;
-	fs_offset_t	size;
 	qboolean	loaded;
 
 	Assert( m_pSprite != NULL );
@@ -1243,7 +1221,8 @@ static qboolean CL_LoadHudSprite( const char *szSpriteName, model_t *m_pSprite,
 		}
 	}
 
-	buf = FS_LoadFile( szSpriteName, &size, false );
+	fs_offset_t size;
+	byte *buf = FS_LoadFile( szSpriteName, &size, false );
 	if( buf == NULL )
 		return false;
 
@@ -1280,7 +1259,7 @@ static model_t *CL_LoadSpriteModel( const char *filename, uint type, uint texFla
 {
 	char	name[MAX_QPATH];
 	model_t	*mod;
-	int	i, start;
+	int	i;
 
 	if( COM_StringEmptyOrNULL( filename ))
 	{
@@ -1310,7 +1289,7 @@ static model_t *CL_LoadSpriteModel( const char *filename, uint type, uint texFla
 	// find a free model slot spot
 	// use low indices only for HUD sprites
 	// for GoldSrc bug compatibility
-	start = type == SPR_HUDSPRITE ? 0 : MAX_CLIENT_SPRITES / 2;
+	int start = type == SPR_HUDSPRITE ? 0 : MAX_CLIENT_SPRITES / 2;
 
 	for( i = 0, mod = &clgame.sprites[start]; i < MAX_CLIENT_SPRITES / 2; i++, mod++ )
 	{
@@ -1356,9 +1335,9 @@ pfnSPR_LoadExt
 */
 HSPRITE pfnSPR_LoadExt( const char *szPicName, uint texFlags )
 {
-	model_t	*spr;
+	model_t *spr = CL_LoadSpriteModel( szPicName, SPR_CLIENT, texFlags );
 
-	if(( spr = CL_LoadSpriteModel( szPicName, SPR_CLIENT, texFlags )) == NULL )
+	if( spr == NULL )
 		return 0;
 
 	return (spr - clgame.sprites) + 1; // return index
@@ -1374,9 +1353,9 @@ function exported for support GoldSrc Monitor utility
 HSPRITE EXPORT pfnSPR_Load( const char *szPicName );
 HSPRITE EXPORT pfnSPR_Load( const char *szPicName )
 {
-	model_t	*spr;
+	model_t *spr = CL_LoadSpriteModel( szPicName, SPR_HUDSPRITE, 0 );
 
-	if(( spr = CL_LoadSpriteModel( szPicName, SPR_HUDSPRITE, 0 )) == NULL )
+	if( spr == NULL )
 		return 0;
 
 	return (spr - clgame.sprites) + 1; // return index
@@ -1390,16 +1369,16 @@ CL_GetSpritePointer
 */
 static const model_t *CL_GetSpritePointer( HSPRITE hSprite )
 {
-	model_t	*mod;
 	int index = hSprite - 1;
 
 	if( index < 0 || index >= MAX_CLIENT_SPRITES )
 		return NULL; // bad image
-	mod = &clgame.sprites[index];
+
+	model_t *mod = &clgame.sprites[index];
 
 	if( mod->needload == NL_NEEDS_LOADED )
 	{
-		int	type = FBitSet( mod->flags, MODEL_CLIENT ) ? SPR_HUDSPRITE : SPR_MAPSPRITE;
+		int type = FBitSet( mod->flags, MODEL_CLIENT ) ? SPR_HUDSPRITE : SPR_MAPSPRITE;
 
 		if( CL_LoadHudSprite( mod->name, mod, type, mod->numtexinfo ))
 			return mod;
@@ -1868,8 +1847,6 @@ pfnGetPlayerInfo
 */
 static void GAME_EXPORT pfnGetPlayerInfo( int ent_num, hud_player_info_t *pinfo )
 {
-	player_info_t	*player;
-
 	ent_num -= 1; // player list if offset by 1 from ents
 
 	if( ent_num >= cl.maxclients || ent_num < 0 || !cl.players[ent_num].name[0] )
@@ -1879,7 +1856,7 @@ static void GAME_EXPORT pfnGetPlayerInfo( int ent_num, hud_player_info_t *pinfo
 		return;
 	}
 
-	player = &cl.players[ent_num];
+	player_info_t *player = &cl.players[ent_num];
 	pinfo->thisplayer = ( ent_num == cl.playernum ) ? true : false;
 	pinfo->name = player->name;
 	pinfo->model = player->model;
@@ -1910,11 +1887,9 @@ pfnPlaySoundByIndex
 */
 static void GAME_EXPORT pfnPlaySoundByIndex( int iSound, float volume )
 {
-	int hSound;
-
 	// make sure what we in-bounds
 	iSound = bound( 0, iSound, MAX_SOUNDS );
-	hSound = cl.sound_index[iSound];
+	int hSound = cl.sound_index[iSound];
 	if( !hSound ) return;
 
 	S_StartSound( NULL, cl.viewentity, CHAN_ITEM, hSound, volume, ATTN_NORM, PITCH_NORM, SND_STOP_LOOPING );
@@ -2200,8 +2175,6 @@ pfnCalcShake
 static void GAME_EXPORT pfnCalcShake( void )
 {
 	screen_shake_t *const shake = &clgame.shake;
-	float frametime, fraction, freq;
-	int i;
 
 	if( cl.time > shake->time || shake->amplitude <= 0 || shake->frequency <= 0 || shake->duration <= 0 )
 	{
@@ -2216,7 +2189,7 @@ static void GAME_EXPORT pfnCalcShake( void )
 		return;
 	}
 
-	frametime = cl_clientframetime();
+	float frametime = cl_clientframetime();
 
 	if( cl.time > shake->next_shake )
 	{
@@ -2224,20 +2197,20 @@ static void GAME_EXPORT pfnCalcShake( void )
 		shake->next_shake = (float)cl.time + shake->frequency / shake->duration;
 
 		// randomize each shake
-		for( i = 0; i < 3; i++ )
+		for( int i = 0; i < 3; i++ )
 			shake->offset[i] = COM_RandomFloat( -shake->amplitude, shake->amplitude );
 		shake->angle = COM_RandomFloat( -shake->amplitude * 0.25f, shake->amplitude * 0.25f );
 	}
 
 	// get initial fraction and frequency values over the duration
-	fraction = ((float)cl.time - shake->time ) / shake->duration;
-	freq = fraction != 0.0f ? ( shake->frequency / fraction ) * shake->frequency : 0.0f;
+	float fraction = ((float)cl.time - shake->time ) / shake->duration;
+	float freq = fraction != 0.0f ? ( shake->frequency / fraction ) * shake->frequency : 0.0f;
 
 	// quickly approach zero but apply time over sine wave
 	fraction *= fraction * sin( cl.time * freq );
 
 	// apply shake offset
-	for( i = 0; i < 3; i++ )
+	for( int i = 0; i < 3; i++ )
 		shake->applied_offset[i] = shake->offset[i] * fraction;
 
 	// apply roll angle
@@ -2349,10 +2322,7 @@ pfnKillEvent
 */
 static void GAME_EXPORT pfnKillEvents( int entnum, const char *eventname )
 {
-	int		i;
-	event_state_t	*es;
-	event_info_t	*ei;
-	word		eventIndex = CL_EventIndex( eventname );
+	word eventIndex = CL_EventIndex( eventname );
 
 	if( eventIndex >= MAX_EVENTS )
 		return;
@@ -2360,12 +2330,12 @@ static void GAME_EXPORT pfnKillEvents( int entnum, const char *eventname )
 	if( entnum < 0 || entnum >= clgame.maxEntities )
 		return;
 
-	es = &cl.events;
+	event_state_t *es = &cl.events;
 
 	// find all events with specified index and kill it
-	for( i = 0; i < MAX_EVENT_QUEUE; i++ )
+	for( int i = 0; i < MAX_EVENT_QUEUE; i++ )
 	{
-		ei = &es->ei[i];
+		event_info_t *ei = &es->ei[i];
 
 		if( ei->index == eventIndex && ei->entity_index == entnum )
 		{
@@ -2395,7 +2365,6 @@ CL_FindModelIndex
 static int GAME_EXPORT CL_FindModelIndex( const char *m )
 {
 	char filepath[MAX_QPATH];
-	int  i;
 
 	if( COM_StringEmptyOrNULL( m ))
 		return 0;
@@ -2403,7 +2372,7 @@ static int GAME_EXPORT CL_FindModelIndex( const char *m )
 	Q_strncpy( filepath, m, sizeof( filepath ));
 	COM_FixSlashes( filepath );
 
-	for( i = 0; i < cl.nummodels; i++ )
+	for( int i = 0; i < cl.nummodels; i++ )
 	{
 		if( !cl.models[i+1] )
 			continue;
@@ -2735,9 +2704,7 @@ pfnLoadMapSprite
 */
 static model_t *pfnLoadMapSprite( const char *filename )
 {
-	model_t *mod;
-
-	mod = Mod_FindName( filename, false );
+	model_t *mod = Mod_FindName( filename, false );
 
 	if( CL_LoadHudSprite( filename, mod, SPR_MAPSPRITE, 0 ))
 		return mod;
@@ -2813,12 +2780,10 @@ PlayerInfo_SetValueForKey
 */
 static void GAME_EXPORT PlayerInfo_SetValueForKey( const char *key, const char *value )
 {
-	convar_t	*var;
-
 	if( !Q_strcmp( Info_ValueForKey( cls.userinfo, key ), value ))
 		return; // no changes ?
 
-	var = Cvar_FindVar( key );
+	convar_t *var = Cvar_FindVar( key );
 
 	if( var && FBitSet( var->flags, FCVAR_USERINFO ))
 	{
@@ -2899,11 +2864,10 @@ pfnGetMousePos
 */
 static void GAME_EXPORT pfnGetMousePos( struct tagPOINT *ppt )
 {
-	int x, y;
-
 	if( !ppt )
 		return;
 
+	int x, y;
 	Platform_GetMousePos( &x, &y );
 
 	ppt->x = x;
@@ -3052,11 +3016,11 @@ static int GAME_EXPORT pfnDrawStringReverse( int x, int y, const char *str, int
 {
 	rgba_t color = { r, g, b, 255 };
 	int flags = FONT_DRAW_HUD | FONT_DRAW_NOLF;
-	int width;
 
 	if( hud_utf8.value )
 		SetBits( flags, FONT_DRAW_UTF8 );
 
+	int width;
 	CL_DrawStringLen( &cls.creditsFont, str, &width, NULL, flags );
 
 	x -= width;
@@ -3236,11 +3200,9 @@ TriBrightness
 */
 void TriBrightness( float brightness )
 {
-	float	r, g, b;
-
-	r = clgame.ds.triRGBA[0] * clgame.ds.triRGBA[3] * brightness;
-	g = clgame.ds.triRGBA[1] * clgame.ds.triRGBA[3] * brightness;
-	b = clgame.ds.triRGBA[2] * clgame.ds.triRGBA[3] * brightness;
+	float r = clgame.ds.triRGBA[0] * clgame.ds.triRGBA[3] * brightness;
+	float g = clgame.ds.triRGBA[1] * clgame.ds.triRGBA[3] * brightness;
+	float b = clgame.ds.triRGBA[2] * clgame.ds.triRGBA[3] * brightness;
 
 	ref.dllFuncs.Color4f( r, g, b, 1.0f );
 }
@@ -3287,11 +3249,9 @@ NOTE: dlights are ignored
 */
 void TriLightAtPoint( float *pos, float *value )
 {
-	colorVec	vLightColor;
-
 	if( !pos || !value ) return;
 
-	vLightColor = ref.dllFuncs.R_LightPoint( pos );
+	colorVec vLightColor = ref.dllFuncs.R_LightPoint( pos );
 
 	value[0] = vLightColor.r;
 	value[1] = vLightColor.g;
@@ -3324,9 +3284,9 @@ bind current texture
 */
 int TriSpriteTexture( model_t *pSpriteModel, int frame )
 {
-	int	gl_texturenum;
+	int gl_texturenum = R_GetSpriteTexture( pSpriteModel, frame );
 
-	if(( gl_texturenum = R_GetSpriteTexture( pSpriteModel, frame )) <= 0 )
+	if( gl_texturenum <= 0 )
 		return 0;
 
 	ref.dllFuncs.GL_Bind( XASH_TEXTURE0, gl_texturenum );
@@ -3467,13 +3427,10 @@ NetAPI_CancelRequest
 */
 static void GAME_EXPORT NetAPI_CancelRequest( int context )
 {
-	net_request_t	*nr;
-	int		i;
-;
 	// find a specified request
-	for( i = 0; i < MAX_REQUESTS; i++ )
+	for( int i = 0; i < MAX_REQUESTS; i++ )
 	{
-		nr = &clgame.net_requests[i];
+		net_request_t *nr = &clgame.net_requests[i];
 
 		if( clgame.net_requests[i].resp.context == context )
 		{
@@ -3498,13 +3455,10 @@ NetAPI_CancelAllRequests
 */
 void GAME_EXPORT NetAPI_CancelAllRequests( void )
 {
-	net_request_t	*nr;
-	int		i;
-
 	// tell the user about cancel
-	for( i = 0; i < MAX_REQUESTS; i++ )
+	for( int i = 0; i < MAX_REQUESTS; i++ )
 	{
-		nr = &clgame.net_requests[i];
+		net_request_t *nr = &clgame.net_requests[i];
 		if( !nr->pfnFunc ) continue;	// not used
 		SetBits( nr->resp.error, NET_ERROR_TIMEOUT );
 		nr->resp.ping = host.realtime - nr->timesend;
@@ -3981,12 +3935,11 @@ static engine_studio_api_t gStudioAPI =
 static void CL_InitStudioAPI( void )
 {
 	static r_studio_interface_t gDefaultStudioDraw;
-	r_studio_interface_t *pStudioDraw;
 
 	if( !ref.dllFuncs.R_StudioFillAPI( &gStudioAPI, &gDefaultStudioDraw ))
 		return;
 
-	pStudioDraw = &gDefaultStudioDraw;
+	r_studio_interface_t *pStudioDraw = &gDefaultStudioDraw;
 
 	if( clgame.dllFuncs.pfnGetStudioModelInterface )
 		clgame.dllFuncs.pfnGetStudioModelInterface( STUDIO_INTERFACE_VERSION, &pStudioDraw, &gStudioAPI );
@@ -4001,7 +3954,6 @@ qboolean CL_LoadProgs( const char *name )
 	qboolean valid_single_export = false;
 	qboolean missed_exports = false;
 	qboolean try_internal_vgui_support = GI->internal_vgui_support;
-	int i;
 
 	if( clgame.hInstance ) CL_UnloadProgs();
 
@@ -4057,7 +4009,7 @@ qboolean CL_LoadProgs( const char *name )
 	if( GetClientAPI != NULL ) // check critical functions again
 		valid_single_export = ValidateExports( cdll_exports, ARRAYSIZE( cdll_exports ));
 
-	for( i = 0; i < ARRAYSIZE( cdll_exports ); i++ )
+	for( int i = 0; i < ARRAYSIZE( cdll_exports ); i++ )
 	{
 		if( *(cdll_exports[i].func) != NULL )
 			continue; // already got through 'F' or 'GetClientAPI'
@@ -4088,7 +4040,7 @@ qboolean CL_LoadProgs( const char *name )
 	if( !valid_single_export )
 		ClearExports( cdll_new_exports, ARRAYSIZE( cdll_new_exports ));
 
-	for( i = 0; i < ARRAYSIZE( cdll_new_exports ); i++ )
+	for( int i = 0; i < ARRAYSIZE( cdll_new_exports ); i++ )
 	{
 		if( *(cdll_new_exports[i].func) != NULL )
 			continue; // already gott through 'F' or 'GetClientAPI'

engine/client/dll_int/cl_gameui.c

@@ -78,8 +78,6 @@ void UI_MouseMove( int x, int y )
 
 void UI_SetActiveMenu( qboolean fActive )
 {
-	movie_state_t	*cin_state;
-
 	if( !gameui.hInstance )
 	{
 		if( !fActive )
@@ -93,7 +91,7 @@ void UI_SetActiveMenu( qboolean fActive )
 	if( !fActive )
 	{
 		// close logo when menu is shutdown
-		cin_state = AVI_GetState( CIN_LOGO );
+		movie_state_t *cin_state = AVI_GetState( CIN_LOGO );
 		AVI_CloseVideo( cin_state );
 	}
 }
@@ -356,12 +354,10 @@ static float GAME_EXPORT UI_GetLogoLength( void )
 
 static void UI_UpdateUserinfo( void )
 {
-	player_info_t	*player;
-
 	if( !host.userinfo_changed )
 		return;
 
-	player = &gameui.playerinfo;
+	player_info_t *player = &gameui.playerinfo;
 
 	Q_strncpy( player->userinfo, cls.userinfo, sizeof( player->userinfo ));
 	Q_strncpy( player->name, Info_ValueForKey( player->userinfo, "name" ), sizeof( player->name ));
@@ -427,10 +423,8 @@ static void UI_ToOldGameInfo( GAMEINFO *out, const gameinfo2_t *in )
 
 static void UI_GetModsInfo( void )
 {
-	int i;
-
 	gameui.modsInfo = Mem_Calloc( gameui.mempool, sizeof( *gameui.modsInfo ) * FI->numgames );
-	for( i = 0; i < FI->numgames; i++ )
+	for( int i = 0; i < FI->numgames; i++ )
 		UI_ConvertGameInfo( &gameui.modsInfo[i], FI->games[i] );
 }
 
@@ -755,10 +749,9 @@ drawing string like a console string
 */
 static int GAME_EXPORT UI_DrawConsoleString( int x, int y, const char *string )
 {
-	int	drawLen;
-
 	if( !string || !*string ) return 0; // silent ignore
-	drawLen = Con_DrawString( x, y, string, gameui.ds.textColor );
+
+	int drawLen = Con_DrawString( x, y, string, gameui.ds.textColor );
 	MakeRGBA( gameui.ds.textColor, 255, 255, 255, 255 );
 
 	return (x + drawLen); // exclude color prexfixes
@@ -958,14 +951,12 @@ static GAMEINFO ** GAME_EXPORT pfnGetGamesList( int *numGames )
 
 	if( !gameui.oldModsInfo )
 	{
-		int i;
-
 		if( !gameui.modsInfo )
 			UI_GetModsInfo();
 
 		// first allocate array of pointers
 		gameui.oldModsInfo = Mem_Calloc( gameui.mempool, sizeof( *gameui.oldModsInfo ) * FI->numgames );
-		for( i = 0; i < FI->numgames; i++ )
+		for( int i = 0; i < FI->numgames; i++ )
 		{
 			gameui.oldModsInfo[i] = Mem_Calloc( gameui.mempool, sizeof( *gameui.oldModsInfo[i] ));
 			UI_ToOldGameInfo( gameui.oldModsInfo[i], &gameui.modsInfo[i] );
@@ -1135,12 +1126,10 @@ static void GAME_EXPORT pfnCon_DefaultColor( int r, int g, int b )
 
 static void GAME_EXPORT pfnSetCursor( void *hCursor )
 {
-	uintptr_t cursor;
-
 	if( !gameui.use_extended_api )
 		return; // ignore original Xash menus
 
-	cursor = (uintptr_t)hCursor;
+	uintptr_t cursor = (uintptr_t)hCursor;
 	if( cursor < dc_user || cursor > dc_last )
 		return;
 
@@ -1335,6 +1324,14 @@ void UI_UnloadProgs( void )
 	memset( &gameui, 0, sizeof( gameui ));
 }
 
+void *UI_GetMenuFactory( void )
+{
+	if( !gameui.hInstance )
+		return NULL;
+
+	return COM_GetProcAddress( gameui.hInstance, "CreateInterface" );
+}
+
 qboolean UI_LoadProgs( void )
 {
 	static ui_enginefuncs_t	gpEngfuncs;

engine/client/dll_int/cl_mobile.c

@@ -63,12 +63,10 @@ static int pfnDrawScaledCharacter( int x, int y, int number, int r, int g, int b
 	if( fabs( g_font_scale - scale ) > 0.1f ||
 		g_scaled_font.hFontTexture != cls.creditsFont.hFontTexture )
 	{
-		int i;
-
 		g_scaled_font = cls.creditsFont;
 		g_scaled_font.scale *= scale;
 		g_scaled_font.charHeight *= scale;
-		for( i = 0; i < ARRAYSIZE( g_scaled_font.charWidths ); i++ )
+		for( int i = 0; i < ARRAYSIZE( g_scaled_font.charWidths ); i++ )
 			g_scaled_font.charWidths[i] *= scale;
 
 		g_font_scale = scale;

engine/client/dll_int/cl_pmove.c

@@ -101,10 +101,9 @@ CL_SetIdealPitch
 void CL_SetIdealPitch( void )
 {
 	float	angleval, sinval, cosval;
-	int	i, j, step, dir, steps;
+	int	i, dir, steps;
 	float	z[MAX_FORWARD];
 	vec3_t	top, bottom;
-	pmtrace_t	tr;
 
 	if( cl.local.onground == -1 )
 		return;
@@ -116,6 +115,8 @@ void CL_SetIdealPitch( void )
 	// 160 or so units to see what's below
 	for( i = 0; i < MAX_FORWARD; i++ )
 	{
+		pmtrace_t	tr;
+
 		top[0] = cl.simorg[0] + cosval * (i + 3.0f) * 12.0f;
 		top[1] = cl.simorg[1] + sinval * (i + 3.0f) * 12.0f;
 		top[2] = cl.simorg[2] + cl.viewheight[2];
@@ -137,9 +138,10 @@ void CL_SetIdealPitch( void )
 	dir = 0;
 	steps = 0;
 
-	for( j = 1; j < i; j++ )
+	for( int j = 1; j < i; j++ )
 	{
-		step = z[j] - z[j-1];
+		int step = z[j] - z[j-1];
+
 		if( step > -ON_EPSILON && step < ON_EPSILON )
 			continue;
 
@@ -244,15 +246,10 @@ This sets up the first phase.
 */
 void GAME_EXPORT CL_SetUpPlayerPrediction( int dopred, int bIncludeLocalClient )
 {
-	entity_state_t	*state;
-	predicted_player_t	*player;
-	cl_entity_t	*ent;
-	int		i;
-
-	for( i = 0; i < MAX_CLIENTS; i++ )
+	for( int i = 0; i < MAX_CLIENTS; i++ )
 	{
-		state = &cl.frames[cl.parsecountmod].playerstate[i];
-		player = &cls.predicted_players[i];
+		entity_state_t *state = &cl.frames[cl.parsecountmod].playerstate[i];
+		predicted_player_t *player = &cls.predicted_players[i];
 
 		player->active = false;
 
@@ -279,7 +276,7 @@ void GAME_EXPORT CL_SetUpPlayerPrediction( int dopred, int bIncludeLocalClient )
 		}
 		else
 		{
-			ent = CL_GetEntityByIndex( i + 1 );
+			cl_entity_t *ent = CL_GetEntityByIndex( i + 1 );
 
 			CL_ComputePlayerOrigin( ent );
 
@@ -397,16 +394,13 @@ collect solid entities
 */
 static void CL_AddLinksToPmove( frame_t *frame )
 {
-	entity_state_t	*state;
-	model_t		*model;
-	physent_t		*pe;
-	int		i;
-
 	if( !frame->valid ) return;
 
-	for( i = 0; i < frame->num_entities; i++ )
+	for( int i = 0; i < frame->num_entities; i++ )
 	{
-		state = &cls.packet_entities[(frame->first_entity + i) % cls.num_client_entities];
+		entity_state_t *state = &cls.packet_entities[(frame->first_entity + i) % cls.num_client_entities];
+		model_t *model;
+		physent_t *pe;
 
 		if( state->number >= 1 && state->number <= cl.maxclients )
 			continue;
@@ -506,18 +500,14 @@ pmove must be setup with world and solid entity hulls before calling
 */
 void GAME_EXPORT CL_SetSolidPlayers( int playernum )
 {
-	entity_state_t	*state;
-	predicted_player_t	*player;
-	physent_t		*pe;
-	int		i;
-
 	if( !cl_solid_players.value )
 		return;
 
-	for( i = 0; i < MAX_CLIENTS; i++ )
+	for( int i = 0; i < MAX_CLIENTS; i++ )
 	{
-		state = &cl.frames[cl.parsecountmod].playerstate[i];
-		player = &cls.predicted_players[i];
+		entity_state_t *state = &cl.frames[cl.parsecountmod].playerstate[i];
+		predicted_player_t *player = &cls.predicted_players[i];
+		physent_t *pe;
 
 		if( playernum == -1 )
 		{
@@ -562,18 +552,17 @@ CL_WaterEntity
 */
 int GAME_EXPORT CL_WaterEntity( const float *rgflPos )
 {
-	physent_t		*pe;
-	hull_t		*hull;
-	vec3_t		test, offset;
-	int		i, oldhull;
+	int oldhull;
 
 	if( !rgflPos ) return -1;
 
 	oldhull = clgame.pmove->usehull;
 
-	for( i = 0; i < clgame.pmove->numphysent; i++ )
+	for( int i = 0; i < clgame.pmove->numphysent; i++ )
 	{
-		pe = &clgame.pmove->physents[i];
+		physent_t *pe = &clgame.pmove->physents[i];
+		hull_t *hull;
+		vec3_t test, offset;
 
 		if( pe->solid != SOLID_NOT ) // disabled ?
 			continue;
@@ -657,9 +646,8 @@ returns water brush where inside pos
 */
 cl_entity_t *CL_GetWaterEntity( const float *rgflPos )
 {
-	int	entnum;
+	int entnum = CL_WaterEntity( rgflPos );
 
-	entnum = CL_WaterEntity( rgflPos );
 	if( entnum <= 0 ) return NULL; // world or not water
 
 	return CL_GetEntityByIndex( entnum );
@@ -732,8 +720,6 @@ CL_InitClientMove
 */
 void CL_InitClientMove( void )
 {
-	int	i;
-
 	Pmove_Init ();
 
 	clgame.pmove->server = false;	// running at client
@@ -741,7 +727,7 @@ void CL_InitClientMove( void )
 	clgame.pmove->runfuncs = false;
 
 	// enumerate client hulls
-	for( i = 0; i < MAX_MAP_HULLS; i++ )
+	for( int i = 0; i < MAX_MAP_HULLS; i++ )
 	{
 		if( clgame.dllFuncs.pfnGetHullBounds( i, host.player_mins[i], host.player_maxs[i] ))
 			Con_Reportf( "CL: hull%i, player_mins: %g %g %g, player_maxs: %g %g %g\n", i,

engine/client/dll_int/ref_common.c

@@ -72,18 +72,15 @@ static qboolean CheckSkybox( const char *name, char out[SKYBOX_MAX_SIDES][MAX_ST
 {
 	static const char *skybox_ext[3] = { "dds", "tga", "bmp" };
 	static const char *skybox_delim[2] = { "", "_" }; // no space for HL style, underscore for Q1 style
-	int	i;
 
 	// search for skybox images
-	for( i = 0; i <	ARRAYSIZE( skybox_ext ); i++ )
+	for( int i = 0; i <	ARRAYSIZE( skybox_ext ); i++ )
 	{
-		int j;
-
-		for( j = 0; j < ARRAYSIZE( skybox_delim ); j++ )
+		for( int j = 0; j < ARRAYSIZE( skybox_delim ); j++ )
 		{
-			int k, num_checked_sides = 0;
+			int num_checked_sides = 0;
 
-			for( k = 0; k < SKYBOX_MAX_SIDES; k++ )
+			for( int k = 0; k < SKYBOX_MAX_SIDES; k++ )
 			{
 				char sidename[MAX_VA_STRING];
 
@@ -109,7 +106,6 @@ void R_SetupSky( const char *name )
 	char sidenames[SKYBOX_MAX_SIDES][MAX_STRING];
 	int skyboxTextures[SKYBOX_MAX_SIDES] = { 0 };
 	int i, len;
-	qboolean result;
 
 	if( COM_StringEmptyOrNULL( name ))
 	{
@@ -125,10 +121,9 @@ void R_SetupSky( const char *name )
 
 	if( loadname[len - 1] == '_' )
 		loadname[len - 1] = '\0';
-	result = CheckSkybox( loadname, sidenames );
 
 	// to prevent infinite recursion if default skybox was missed
-	if( !result && Q_stricmp( name, DEFAULT_SKYBOX_NAME ))
+	if( !CheckSkybox( loadname, sidenames ) && Q_stricmp( name, DEFAULT_SKYBOX_NAME ))
 	{
 		Con_Reportf( S_WARN "missed or incomplete skybox '%s'\n", name );
 		R_SetupSky( DEFAULT_SKYBOX_NAME ); // force to default

engine/client/gamma.c

@@ -35,7 +35,6 @@ static CVAR_DEFINE( v_gamma, "gamma", "2.5", FCVAR_ARCHIVE, "gamma amount" );
 static void BuildGammaTable( const float gamma, const float brightness, const float texgamma, const float lightgamma )
 {
 	float g1, g2, g3;
-	int i;
 
 	if( gamma != 0.0 )
 		g1 = 1.0 / gamma;
@@ -50,7 +49,7 @@ static void BuildGammaTable( const float gamma, const float brightness, const fl
 	else
 		g3 = 0.05;
 
-	for( i = 0; i < 256; i++ )
+	for( int i = 0; i < 256; i++ )
 	{
 		// keep it float or texgamma test will fail with -ffast-math
 		float d = pow( i / 255.0, (double)g2 );
@@ -58,11 +57,9 @@ static void BuildGammaTable( const float gamma, const float brightness, const fl
 		texgammatable[i] = bound( 0, inf, 255 );
 	}
 
-	for( i = 0; i < 1024; i++ )
+	for( int i = 0; i < 1024; i++ )
 	{
-		double d;
 		float f = pow( i / 1023.0, (double)lightgamma );
-		int inf;
 
 		if( brightness > 1.0 )
 			f *= brightness;
@@ -72,8 +69,8 @@ static void BuildGammaTable( const float gamma, const float brightness, const fl
 		else
 			f = (( f - g3 ) / ( 1.0 - g3 )) * 0.875 + 0.125;
 
-		d = pow( (double)f, (double)g1 ); // do not remove the cast, or tests fail
-		inf = d * 1023.0;
+		double d = pow( (double)f, (double)g1 ); // do not remove the cast, or tests fail
+		int inf = d * 1023.0;
 		lightgammatable[i] = bound( 0, inf, 1023 );
 
 		// do these calculations in the same loop...
@@ -255,11 +252,9 @@ static void Test_PrecomputedGammaTables( void )
 
 	while(( data = Test_GetGammaTables( i )))
 	{
-		int j;
-
 		BuildGammaTable( data->gamma, data->brightness, data->texgamma, data->lightgamma );
 
-		for( j = 0; j < 1024; j++ )
+		for( int j = 0; j < 1024; j++ )
 		{
 			if( j < 256 )
 			{

engine/client/identification.c

@@ -80,7 +80,7 @@ static uint BloomFilter_Weight( bloomfilter_t value )
 	return weight;
 }
 
-static qboolean BloomFilter_ContainsString( bloomfilter_t filter, const char *str )
+MAYBE_UNUSED static qboolean BloomFilter_ContainsString( bloomfilter_t filter, const char *str )
 {
 	bloomfilter_t value = BloomFilter_ProcessStr( str );
 
@@ -102,9 +102,8 @@ static qboolean ID_ProcessFile( bloomfilter_t *value, const char *path );
 static void ID_BloomFilter_f( void )
 {
 	bloomfilter_t value = 0;
-	int i;
 
-	for( i = 1; i < Cmd_Argc(); i++ )
+	for( int i = 1; i < Cmd_Argc(); i++ )
 		value |= BloomFilter_ProcessStr( Cmd_Argv( i ) );
 
 	Msg( "%d %016"PRIX64"\n", BloomFilter_Weight( value ), value );
@@ -119,7 +118,6 @@ static qboolean ID_VerifyHEX( const char *hex )
 	uint chars = 0;
 	char prev = 0;
 	qboolean monotonic = true; // detect 11:22...
-	int weight = 0;
 
 	while( *hex++ )
 	{
@@ -142,6 +140,7 @@ static qboolean ID_VerifyHEX( const char *hex )
 	if( monotonic )
 		return false;
 
+	int weight = 0;
 	while( chars )
 	{
 		if( chars & 1 )
@@ -170,7 +169,7 @@ static void ID_VerifyHEX_f( void )
 static qboolean ID_ProcessCPUInfo( bloomfilter_t *value )
 {
 	int cpuinfofd = open( "/proc/cpuinfo", O_RDONLY );
-	char buffer[1024], *pbuf, *pbuf2;
+	char buffer[1024];
 	int ret;
 
 	if( cpuinfofd < 0 )
@@ -189,12 +188,12 @@ static qboolean ID_ProcessCPUInfo( bloomfilter_t *value )
 	if( !ret )
 		return false;
 
-	pbuf = Q_stristr( buffer, "Serial" );
+	char *pbuf = Q_stristr( buffer, "Serial" );
 	if( !pbuf )
 		return false;
 	pbuf += 6;
 
-	pbuf2 = Q_strchrnul( pbuf, '\n' );
+	char *pbuf2 = Q_strchrnul( pbuf, '\n' );
 	*pbuf2 = 0;
 
 	if( !ID_VerifyHEX( pbuf ) )
@@ -207,20 +206,18 @@ static qboolean ID_ProcessCPUInfo( bloomfilter_t *value )
 static qboolean ID_ValidateNetDevice( const char *dev )
 {
 	const char *prefix = "/sys/class/net";
-	byte *pfile;
-	int assignType;
 
 	// These devices are fake, their mac address is generated each boot, while assign_type is 0
 	if( !Q_strnicmp( dev, "ccmni", sizeof( "ccmni" ) ) ||
 		!Q_strnicmp( dev, "ifb", sizeof( "ifb" ) ) )
 		return false;
 
-	pfile = FS_LoadDirectFile( va( "%s/%s/addr_assign_type", prefix, dev ), NULL );
+	byte *pfile = FS_LoadDirectFile( va( "%s/%s/addr_assign_type", prefix, dev ), NULL );
 
 	// if NULL, it may be old kernel
 	if( pfile )
 	{
-		assignType = Q_atoi( (char*)pfile );
+		int assignType = Q_atoi( (char*)pfile );
 
 		Mem_Free( pfile );
 
@@ -500,12 +497,10 @@ static int ID_CheckWMIC( bloomfilter_t value, const wchar_t *cmdline )
 	pbuf = COM_ParseFile( buffer, token, sizeof( token )); // Header
 	while(( pbuf = COM_ParseFile( pbuf, token, sizeof( token ))))
 	{
-		bloomfilter_t filter;
-
 		if( !ID_VerifyHEX( token ))
 			continue;
 
-		filter = BloomFilter_ProcessStr( token );
+		bloomfilter_t filter = BloomFilter_ProcessStr( token );
 		count += ( filter & value ) == filter;
 	}
 

engine/client/input/in_gyro.c

@@ -88,13 +88,12 @@ Apply gyro movement to view angles
 */
 void IN_GyroFinalizeMove( float *fw, float *side, float *dpitch, float *dyaw )
 {
-	platform_orientation_t orient;
 	float orient_scale = 1.0f;
 
 	if( !gyro_enable.value || !gyro_available.value )
 		return;
 
-	orient = Platform_GetDisplayOrientation();
+	platform_orientation_t orient = Platform_GetDisplayOrientation();
 	if( orient == ORIENTATION_LANDSCAPE_FLIPPED )
 		orient_scale = -1.0f;
 

engine/client/input/in_joy.c

@@ -129,9 +129,8 @@ static void Joy_HatMotionEvent( int value )
 		{ JOY_HAT_LEFT, K_LEFTARROW },
 		{ JOY_HAT_RIGHT, K_RIGHTARROW },
 	};
-	int i;
 
-	for( i = 0; i < ARRAYSIZE( keys ); i++ )
+	for( int i = 0; i < ARRAYSIZE( keys ); i++ )
 	{
 		if( value & keys[i].mask )
 		{
@@ -317,9 +316,8 @@ void Joy_FinalizeMove( float *fw, float *side, float *dpitch, float *dyaw )
 	if( FBitSet( joy_axis_binding.flags, FCVAR_CHANGED ) )
 	{
 		const char *bind = joy_axis_binding.string;
-		size_t i;
 
-		for( i = 0; bind[i] && i < MAX_AXES; i++ )
+		for( size_t i = 0; bind[i] && i < MAX_AXES; i++ )
 		{
 			switch( bind[i] )
 			{
@@ -535,8 +533,6 @@ void Joy_DrawDebug( void )
 		}
 
 		qboolean pressed = Key_IsDown( buttons[i] );
-		int btn_w = 0;
-		rgba_t color;
 		string name;
 
 		Q_strncpy( name, Key_KeynumToString( buttons[i] ), sizeof( name ));
@@ -545,8 +541,11 @@ void Joy_DrawDebug( void )
 		if( p )
 			*p = 0;
 
+		rgba_t color;
 		MakeRGBA( color, pressed ? 0 : 255, pressed ? 255 : 0, 0, 255 );
 		CL_DrawString( x, y, name, color, font, 0 );
+
+		int btn_w = 0;
 		CL_DrawStringLen( font, name, &btn_w, NULL, 0 );
 		x += btn_w + 6;
 	}

engine/client/input/in_keys.c

@@ -187,8 +187,6 @@ to be configured even if they don't have defined names.
 */
 static int Key_StringToKeynum( const char *str )
 {
-	int i;
-
 	if( !str || !str[0] )
 		return -1;
 
@@ -207,7 +205,7 @@ static int Key_StringToKeynum( const char *str )
 	}
 
 	// scan for a text match
-	for( i = 0; i < ARRAYSIZE( keynames ); i++ )
+	for( int i = 0; i < ARRAYSIZE( keynames ); i++ )
 	{
 		if( !Q_stricmp( str, keynames[i].name ))
 			return keynames[i].keynum;
@@ -293,19 +291,16 @@ Key_GetKey
 */
 static int Key_GetKey( const char *pBinding )
 {
-	int		 i, len;
-	const char	*p;
-
 	if( !pBinding ) return -1;
 
-	len = Q_strlen( pBinding );
+	int len = Q_strlen( pBinding );
 
-	for( i = 0; i < ARRAYSIZE( keys ); i++ )
+	for( int i = 0; i < ARRAYSIZE( keys ); i++ )
 	{
 		if( !keys[i].binding )
 			continue;
 
-		p = keys[i].binding;
+		const char *p = keys[i].binding;
 
 		if( *p == '+' )
 			p++;
@@ -340,15 +335,13 @@ Key_Unbind_f
 */
 static void Key_Unbind_f( void )
 {
-	int	b;
-
 	if( Cmd_Argc() != 2 )
 	{
 		Con_Printf( S_USAGE "unbind <key> : remove commands from a key\n" );
 		return;
 	}
 
-	b = Key_StringToKeynum( Cmd_Argv( 1 ));
+	int b = Key_StringToKeynum( Cmd_Argv( 1 ));
 
 	if( b == -1 )
 	{
@@ -372,9 +365,7 @@ Key_Unbindall_f
 */
 static void Key_Unbindall_f( void )
 {
-	int	i;
-
-	for( i = 0; i < ARRAYSIZE( keys ); i++ )
+	for( int i = 0; i < ARRAYSIZE( keys ); i++ )
 	{
 		if( keys[i].binding )
 			Key_SetBinding( i, "" );
@@ -392,17 +383,15 @@ Key_Reset_f
 */
 static void Key_Reset_f( void )
 {
-	int	i;
-
 	// clear all keys first
-	for( i = 0; i < ARRAYSIZE( keys ); i++ )
+	for( int i = 0; i < ARRAYSIZE( keys ); i++ )
 	{
 		if( keys[i].binding )
 			Key_SetBinding( i, "" );
 	}
 
 	// apply default values
-	for( i = 0; i < ARRAYSIZE( keynames ); i++ )
+	for( int i = 0; i < ARRAYSIZE( keynames ); i++ )
 		Key_SetBinding( keynames[i].keynum, keynames[i].binding );
 }
 
@@ -413,10 +402,7 @@ Key_Bind_f
 */
 static void Key_Bind_f( void )
 {
-	char	cmd[1024];
-	int	i, c, b;
-
-	c = Cmd_Argc();
+	int c = Cmd_Argc();
 
 	if( c < 2 )
 	{
@@ -424,7 +410,7 @@ static void Key_Bind_f( void )
 		return;
 	}
 
-	b = Key_StringToKeynum( Cmd_Argv( 1 ));
+	int b = Key_StringToKeynum( Cmd_Argv( 1 ));
 
 	if( b == -1 )
 	{
@@ -441,9 +427,10 @@ static void Key_Bind_f( void )
 	}
 
 	// copy the rest of the command line
+	char cmd[1024];
 	cmd[0] = 0; // start out with a null string
 
-	for( i = 2; i < c; i++ )
+	for( int i = 2; i < c; i++ )
 	{
 		Q_strncat( cmd, Cmd_Argv( i ), sizeof( cmd ));
 		if( i != ( c - 1 )) Q_strncat( cmd, " ", sizeof( cmd ));
@@ -461,18 +448,16 @@ Writes lines containing "bind key value"
 */
 void Key_WriteBindings( file_t *f )
 {
-	int	i;
-	string newCommand;
-
 	if( !f ) return;
 
 	FS_Printf( f, "unbindall\n" );
 
-	for( i = 0; i < ARRAYSIZE( keys ); i++ )
+	for( int i = 0; i < ARRAYSIZE( keys ); i++ )
 	{
 		if( COM_StringEmptyOrNULL( keys[i].binding ))
 			continue;
 
+		string newCommand;
 		Cmd_Escape( newCommand, keys[i].binding, sizeof( newCommand ));
 
 		// NOTE: as TheKingFireS figured out, some particular mods (like CoF) do not
@@ -491,9 +476,7 @@ Key_Bindlist_f
 */
 static void Key_Bindlist_f( void )
 {
-	int	i;
-
-	for( i = 0; i < ARRAYSIZE( keys ); i++ )
+	for( int i = 0; i < ARRAYSIZE( keys ); i++ )
 	{
 		if( COM_StringEmptyOrNULL( keys[i].binding ))
 			continue;
@@ -514,10 +497,9 @@ qboolean Cmd_GetKeysList( const char *s, char *completedname, int length, qboole
 	size_t i, numkeys;
 	string keys_strings[ARRAYSIZE( keys )];
 	string matchbuf;
-	int len;
 
 	// compare keys list with current keyword
-	len = Q_strlen( s );
+	int len = Q_strlen( s );
 
 	for( i = 0, numkeys = 0; i < ARRAYSIZE( keys ); i++ )
 	{
@@ -569,8 +551,6 @@ Key_Init
 */
 void Key_Init( void )
 {
-	int i;
-
 	// register our functions
 	Cmd_AddRestrictedCommand( "bind", Key_Bind_f, "binds a command to the specified key in bindmap" );
 	Cmd_AddRestrictedCommand( "unbind", Key_Unbind_f, "removes a command on the specified key in bindmap" );
@@ -580,7 +560,7 @@ void Key_Init( void )
 	Cmd_AddCommand( "makehelp", Key_EnumCmds_f, "write help.txt that contains all console cvars and cmds" );
 
 	// setup default binding. "unbindall" from config.cfg will be reset it
-	for( i = 0; i < ARRAYSIZE( keynames ); i++ )
+	for( int i = 0; i < ARRAYSIZE( keynames ); i++ )
 		Key_SetBinding( keynames[i].keynum, keynames[i].binding );
 
 	Cvar_RegisterVariable( &key_rotate );
@@ -594,21 +574,20 @@ Key_AddKeyCommands
 */
 static void Key_AddKeyCommands( int key, const char *kb, qboolean down )
 {
-	char	button[1024];
-	char	*buttonPtr;
-	char	cmd[1024];
-	int	i;
-
 	if( !kb ) return;
-	buttonPtr = button;
 
-	for( i = 0; ; i++ )
+	char button[1024];
+	char *buttonPtr = button;
+
+	for( int i = 0; ; i++ )
 	{
 		if( kb[i] == ';' || !kb[i] )
 		{
 			*buttonPtr = '\0';
 			if( button[0] == '+' )
 			{
+				char cmd[1024];
+
 				// button commands add keynum as a parm
 				if( down ) Q_snprintf( cmd, sizeof( cmd ), "%s %i\n", button, key );
 				else Q_snprintf( cmd, sizeof( cmd ), "-%s %i\n", button + 1, key );
@@ -708,8 +687,6 @@ Called by the system for both key up and key down events
 */
 void GAME_EXPORT Key_Event( int key, int down )
 {
-	const char	*kb;
-
 	key = Key_Rotate( key );
 
 	if( OSK_KeyEvent( key, down ) )
@@ -719,7 +696,7 @@ void GAME_EXPORT Key_Event( int key, int down )
 	if( !keys[key].down && !down )
 		return;
 
-	kb = keys[key].binding;
+	const char *kb = keys[key].binding;
 	keys[key].down = down ? true : false;
 
 #ifdef HACKS_RELATED_HLMODS
@@ -917,13 +894,11 @@ Key_ClearStates
 */
 void GAME_EXPORT Key_ClearStates( void )
 {
-	int	i;
-
 	// don't clear keys during changelevel
 	if( cls.changelevel )
 		return;
 
-	for( i = 0; i < ARRAYSIZE( keys ); i++ )
+	for( int i = 0; i < ARRAYSIZE( keys ); i++ )
 	{
 		if( i >= K_MOUSE1 && i <= K_MOUSE5 )
 			IN_MouseEvent( i - K_MOUSE1, false );

engine/client/input/in_osk.c

@@ -144,8 +144,6 @@ qboolean OSK_KeyEvent( int key, int down )
 			break;
 		default:
 		{
-			int ch;
-
 			if( !down )
 			{
 				if( osk.shift && osk.curlayout & 1 )
@@ -156,7 +154,7 @@ qboolean OSK_KeyEvent( int key, int down )
 				break;
 			}
 
-			ch = (byte)osk.curbutton.val;
+			int ch = (byte)osk.curbutton.val;
 
 			// do not pass UTF-8 sequence into the engine, convert it here
 			if( !cls.accept_utf8 )

engine/client/input/in_touch.c

@@ -249,10 +249,7 @@ Dump config to file
 */
 static qboolean Touch_DumpConfig( const char *name, const char *profilename )
 {
-	file_t *f;
-	const touch_button_t *button;
-
-	f = FS_Open( name, "w", true );
+	file_t *f = FS_Open( name, "w", true );
 
 	if( !f )
 	{
@@ -299,7 +296,7 @@ static qboolean Touch_DumpConfig( const char *name, const char *profilename )
 	FS_Printf( f, "touch_removeall\n" );
 	FS_Printf( f, "touch_aspectratio %g\n", Touch_AspectRatio());
 
-	for( button = touch.list_user.first; button; button = button->next )
+	for( const touch_button_t *button = touch.list_user.first; button; button = button->next )
 		Touch_ExportButtonToConfig( f, button, false );
 
 	FS_Close( f );
@@ -347,9 +344,6 @@ export current touch configuration into profile
 */
 static void Touch_ExportConfig_f( void )
 {
-	const char *name;
-	string profilename;
-
 	if( Cmd_Argc() != 2 )
 	{
 		Con_Printf( S_USAGE "touch_exportconfig <name>\n" );
@@ -362,7 +356,8 @@ static void Touch_ExportConfig_f( void )
 		return;
 	}
 
-	name = Cmd_Argv( 1 );
+	const char *name = Cmd_Argv( 1 );
+	string profilename;
 
 	if( Q_strstr( name, "touch_presets/" ))
 	{
@@ -386,7 +381,6 @@ export current touch configuration into C code
 */
 static void Touch_GenerateCode_f( void )
 {
-	const touch_button_t *button;
 	rgba_t c = { 0 };
 
 	if( !touch.list_user.first )
@@ -395,11 +389,9 @@ static void Touch_GenerateCode_f( void )
 		return;
 	}
 
-	for( button = touch.list_user.first; button; button = button->next )
+	for( const touch_button_t *button = touch.list_user.first; button; button = button->next )
 	{
-		float aspect;
 		int flags = button->flags;
-		int round;
 
 		if( FBitSet( flags, TOUCH_FL_CLIENT ))
 			continue; // skip temporary buttons
@@ -410,7 +402,7 @@ static void Touch_GenerateCode_f( void )
 		if( FBitSet( flags, TOUCH_FL_DEF_HIDE ))
 			SetBits( flags, TOUCH_FL_HIDE );
 
-		aspect = ( button->y2 - button->y1 ) / (( button->x2 - button->x1 ) / Touch_AspectRatio( ));
+		float aspect = ( button->y2 - button->y1 ) / (( button->x2 - button->x1 ) / Touch_AspectRatio( ));
 
 		if( memcmp( c, button->color, sizeof( c )))
 		{
@@ -419,6 +411,7 @@ static void Touch_GenerateCode_f( void )
 			memcpy( c, button->color, sizeof( c ));
 		}
 
+		int round;
 		if( button->type == touch_command )
 		{
 			if( fabs( aspect - 1.0f ) < 0.001 )
@@ -438,22 +431,18 @@ static void Touch_GenerateCode_f( void )
 
 static void Touch_RoundAll_f( void )
 {
-	touch_button_t *button;
-
 	if( !touch_grid_enable.value )
 		return;
 
-	for( button = touch.list_user.first; button; button = button->next )
+	for( touch_button_t *button = touch.list_user.first; button; button = button->next )
 		IN_TouchCheckCoords( &button->x1, &button->y1, &button->x2, &button->y2 );
 }
 
 static void Touch_ListButtons_f( void )
 {
-	touch_button_t *button;
-
 	Touch_InitConfig();
 
-	for( button = touch.list_user.first; button; button = button->next )
+	for( touch_button_t *button = touch.list_user.first; button; button = button->next )
 	{
 		Con_Printf( "%s %s %s %g %g %g %g %d %d %d %d %d\n",
 			button->name, button->texture, button->command,
@@ -483,9 +472,7 @@ static void Touch_Stroke_f( void )
 
 static touch_button_t *Touch_FindNextNoPattern( touch_button_t *buttons, const char *name, qboolean privileged )
 {
-	touch_button_t *b;
-
-	for( b = buttons; b; b = b->next )
+	for( touch_button_t *b = buttons; b; b = b->next )
 	{
 		if( !privileged && !FBitSet( b->flags, TOUCH_FL_UNPRIVILEGED ))
 			continue;
@@ -504,13 +491,12 @@ static touch_button_t *Touch_FindButtonNoPattern( touchbuttonlist_t *list, const
 
 static touch_button_t *Touch_FindNext( touch_button_t *buttons, const char *name, qboolean privileged )
 {
-	touch_button_t *b;
 	qboolean has_pattern = Q_strchr( name, '*' ) != NULL;
 
 	if( !has_pattern )
 		return Touch_FindNextNoPattern( buttons, name, privileged );
 
-	for( b = buttons; b; b = b->next )
+	for( touch_button_t *b = buttons; b; b = b->next )
 	{
 		if( !privileged && !FBitSet( b->flags, TOUCH_FL_UNPRIVILEGED ))
 			continue;
@@ -584,10 +570,9 @@ static void Touch_SetClientOnly_f( void )
 
 static void Touch_RemoveButtonFromList( touchbuttonlist_t *list, const char *name, qboolean privileged )
 {
-	touch_button_t *button;
-
 	IN_TouchEditClear();
 
+	touch_button_t *button;
 	while(( button = Touch_FindFirst( list, name, privileged )))
 	{
 		if( button->prev )
@@ -640,9 +625,7 @@ static void Touch_RemoveAll_f( void )
 
 static void Touch_SetColor( touchbuttonlist_t *list, const char *name, byte *color, qboolean privileged )
 {
-	touch_button_t *b;
-
-	for( b = Touch_FindFirst( list, name, privileged ); b != NULL; b = Touch_FindNext( b->next, name, privileged ))
+	for( touch_button_t *b = Touch_FindFirst( list, name, privileged ); b != NULL; b = Touch_FindNext( b->next, name, privileged ))
 		Vector4Copy( color, b->color );
 }
 
@@ -677,9 +660,7 @@ static void Touch_SetCommand( touch_button_t *button, const char *command )
 
 void Touch_HideButtons( const char *name, byte hide, qboolean privileged )
 {
-	touch_button_t *b;
-
-	for( b = Touch_FindFirst( &touch.list_user, name, privileged ); b != NULL; b = Touch_FindNext( b->next, name, privileged ))
+	for( touch_button_t *b = Touch_FindFirst( &touch.list_user, name, privileged ); b != NULL; b = Touch_FindNext( b->next, name, privileged ))
 	{
 		if( hide )
 			SetBits( b->flags, TOUCH_FL_HIDE );
@@ -718,9 +699,7 @@ static void Touch_Show_f( void )
 
 static void Touch_FadeButtons( touchbuttonlist_t *list, const char *name, float speed, float end, float start, qboolean privileged )
 {
-	touch_button_t *b;
-
-	for( b = Touch_FindFirst( list, name, privileged ); b != NULL; b = Touch_FindNext( b->next, name, privileged ))
+	for( touch_button_t *b = Touch_FindFirst( list, name, privileged ); b != NULL; b = Touch_FindNext( b->next, name, privileged ))
 	{
 		if( start >= 0 )
 			b->fade = start;
@@ -855,8 +834,6 @@ static touch_button_t *Touch_AddButton( touchbuttonlist_t *list, const char *nam
 
 void Touch_AddClientButton( const char *name, const char *texture, const char *command, float x1, float y1, float x2, float y2, byte *color, int round, float aspect, int flags )
 {
-	touch_button_t *button;
-
 	if( !touch.initialized )
 		return;
 
@@ -865,15 +842,14 @@ void Touch_AddClientButton( const char *name, const char *texture, const char *c
 	if( round == round_aspect )
 		y2 = y1 + ( x2 - x1 ) / (Touch_AspectRatio()) * aspect;
 
-	button = Touch_AddButton( &touch.list_user, name, texture, command, x1, y1, x2, y2, color, true );
+	touch_button_t *button = Touch_AddButton( &touch.list_user, name, texture, command, x1, y1, x2, y2, color, true );
 	SetBits( button->flags, TOUCH_FL_CLIENT | TOUCH_FL_NOEDIT );
 	button->aspect = aspect;
 }
 
 static void Touch_LoadDefaults_f( void )
 {
-	int i;
-	for( i = 0; i < g_DefaultButtonsLength; i++ )
+	for( int i = 0; i < g_DefaultButtonsLength; i++ )
 	{
 		touch_button_t *button;
 		float x1 = g_DefaultButtons[i].x1,
@@ -903,11 +879,9 @@ static void Touch_LoadDefaults_f( void )
 // Add default button from client
 void Touch_AddDefaultButton( const char *name, const char *texture, const char *command, float x1, float y1, float x2, float y2, byte *color, int round, float aspect, int flags )
 {
-	touchdefaultbutton_t *b;
-
 	g_DefaultButtons = Mem_Realloc( touch.mempool, g_DefaultButtons, sizeof( *g_DefaultButtons ) * ( g_DefaultButtonsLength + 1 ));
 
-	b = &g_DefaultButtons[g_DefaultButtonsLength];
+	touchdefaultbutton_t *b = &g_DefaultButtons[g_DefaultButtonsLength];
 
 	Q_strncpy( b->name, name, sizeof( b->name ));
 	Q_strncpy( b->texture, texture, sizeof( b->texture ));
@@ -938,22 +912,18 @@ void Touch_ResetDefaultButtons( void )
 
 static void Touch_AddButton_f( void )
 {
-	rgba_t color = { 255, 255, 255, 255 };
-	touch_button_t *button = NULL;
-	const char *name, *command;
-	float x1 = 0.4f, y1 = 0.4f, x2 = 0.6f, y2 = 0.6f;
-	qboolean privileged = Cmd_CurrentCommandIsPrivileged();
-	string texture;
-
 	if( Cmd_Argc( ) < 4 )
 	{
 		Con_Printf( S_USAGE "touch_addbutton <name> <texture> <command> [<x1> <y1> <x2> <y2> [ r g b a ] ]\n" );
 		return;
 	}
 
-	name = Cmd_Argv( 1 );
+	const char *name = Cmd_Argv( 1 );
+	string texture;
 	Q_strncpy( texture, Cmd_Argv( 2 ), sizeof( texture ));
-	command = Cmd_Argv( 3 );
+	const char *command = Cmd_Argv( 3 );
+	float x1 = 0.4f, y1 = 0.4f, x2 = 0.6f, y2 = 0.6f;
+	rgba_t color = { 255, 255, 255, 255 };
 
 	// HACKHACK: old engine specifically used .tga for touch buttons
 	// and because new engine extras.pk3 don't have .tga textures
@@ -980,7 +950,8 @@ static void Touch_AddButton_f( void )
 		color[3] = Q_atoi( Cmd_Argv( 11 ));
 	}
 
-	button = Touch_AddButton( &touch.list_user, name, texture, command, x1, y1, x2, y2, color, privileged );
+	qboolean privileged = Cmd_CurrentCommandIsPrivileged();
+	touch_button_t *button = Touch_AddButton( &touch.list_user, name, texture, command, x1, y1, x2, y2, color, privileged );
 
 	if( Cmd_Argc( ) >= 13 )
 		SetBits( button->flags, Q_atoi( Cmd_Argv( 12 )));
@@ -1023,9 +994,7 @@ static void Touch_EnableEdit_f( void )
 	// convert coordinates to actual aspect ratio after it was updated
 	if( touch.config_aspect_ratio != touch.actual_aspect_ratio )
 	{
-		touch_button_t *button;
-
-		for( button = touch.list_user.first; button; button = button->next )
+		for( touch_button_t *button = touch.list_user.first; button; button = button->next )
 		{
 			button->y1 /= touch.actual_aspect_ratio / touch.config_aspect_ratio;
 			button->y2 /= touch.actual_aspect_ratio / touch.config_aspect_ratio;
@@ -1315,10 +1284,6 @@ static void IN_TouchCheckCoords( float *x1, float *y1, float *x2, float *y2  )
 
 static float Touch_DrawCharacter( float x, float y, int number, float size )
 {
-	float s1, s2, t1, t2, width, height;
-	int w, h;
-	wrect_t *prc;
-
 	if( !cls.creditsFont.valid )
 		return 0;
 
@@ -1328,16 +1293,17 @@ static float Touch_DrawCharacter( float x, float y, int number, float size )
 	if( !number )
 		return 0;
 
+	int w, h;
 	R_GetTextureParms( &w, &h, cls.creditsFont.hFontTexture );
-	prc = &cls.creditsFont.fontRc[number];
+	wrect_t *prc = &cls.creditsFont.fontRc[number];
 
-	s1 = prc->left / (float)w;
-	t1 = prc->top / (float)h;
-	s2 = prc->right / (float)w;
-	t2 = prc->bottom / (float)h;
+	float s1 = prc->left / (float)w;
+	float t1 = prc->top / (float)h;
+	float s2 = prc->right / (float)w;
+	float t2 = prc->bottom / (float)h;
 
-	width = ( prc->right - prc->left ) / 1024.0f * size;
-	height = ( prc->bottom - prc->top ) / 1024.0f * size;
+	float width = ( prc->right - prc->left ) / 1024.0f * size;
+	float height = ( prc->bottom - prc->top ) / 1024.0f * size;
 
 	ref.dllFuncs.R_DrawStretchPic( TO_SCRN_X( x ), TO_SCRN_Y( y ), TO_SCRN_X( width ), TO_SCRN_X( height ),
 		s1, t1, s2, t2, cls.creditsFont.hFontTexture );
@@ -1384,9 +1350,7 @@ static float Touch_DrawText( float x1, float y1, float x2, float y2, const char
 
 static void Touch_DrawButtons( touchbuttonlist_t *list )
 {
-	touch_button_t *b;
-
-	for( b = list->first; b; b = b->next )
+	for( touch_button_t *b = list->first; b; b = b->next )
 	{
 		if( Touch_IsVisible( b ))
 		{
@@ -1506,17 +1470,15 @@ void Touch_Draw( void )
 
 	if( touch.state >= state_edit && touch_grid_enable.value )
 	{
-		float x;
-
 		if( touch_in_menu.value )
 			ref.dllFuncs.FillRGBA( kRenderTransTexture, 0, 0, 1, 1, 32, 32, 32, 255 );
 		else
 			ref.dllFuncs.FillRGBA( kRenderTransTexture, 0, 0, 1, 1, 0, 0, 0, 112 );
 
-		for( x = 0.0f; x < 1.0f; x += GRID_X )
+		for( float x = 0.0f; x < 1.0f; x += GRID_X )
 			ref.dllFuncs.FillRGBA( kRenderTransTexture, TO_SCRN_X( x ), 0, 1, TO_SCRN_Y( 1 ), 0, 224, 224, 112 );
 
-		for( x = 0.0f; x < 1.0f; x += GRID_Y )
+		for( float x = 0.0f; x < 1.0f; x += GRID_Y )
 			ref.dllFuncs.FillRGBA( kRenderTransTexture, 0, TO_SCRN_Y( x ), TO_SCRN_X( 1 ), 1, 0, 224, 224, 112 );
 	}
 
@@ -1738,16 +1700,14 @@ static void Touch_Motion( int fingerID, float x, float y, float dx, float dy )
 
 		if( touch_nonlinear_look.value )
 		{
-			float dabs, dcos, dsin;
-
 			// save angle, modify only velocity
-			dabs = sqrt( dx * dx + dy * dy );
+			float dabs = sqrt( dx * dx + dy * dy );
 
 			if( dabs < 0.000001f )
 				return; // no motion, avoid division by zero
 
-			dcos = dx / dabs;
-			dsin = dy / dabs;
+			float dcos = dx / dabs;
+			float dsin = dy / dabs;
 
 			if( touch_exp_mult.value > 1 )
 				dabs = ( exp( dabs * touch_exp_mult.value ) - 1 ) / touch_exp_mult.value;
@@ -1771,14 +1731,13 @@ static void Touch_Motion( int fingerID, float x, float y, float dx, float dy )
 
 static qboolean Touch_ButtonPress( touchbuttonlist_t *list, touchEventType type, int fingerID, float x, float y )
 {
-	touch_button_t *button;
 	qboolean result = false;
 
 	if( type != event_down && type != event_up )
 		return false;
 
 	// run from end(front) to start(back)
-	for( button = list->last; button; button = button->prev )
+	for( touch_button_t *button = list->last; button; button = button->prev )
 	{
 		// skip invisible buttons
 		if( !Touch_IsVisible( button ))
@@ -1850,14 +1809,12 @@ static qboolean Touch_ButtonPress( touchbuttonlist_t *list, touchEventType type,
 
 				if( touch.look_finger == fingerID )
 				{
-					touch_button_t *newbutton;
-
 					// this is an error, try recover
 					touch.move_finger = touch.look_finger = -1;
 
 					// player touched touch_move with enabled look mode
 					// and same finger id. release all move triggers
-					for( newbutton = list->first; newbutton; newbutton = newbutton->next )
+					for( touch_button_t *newbutton = list->first; newbutton; newbutton = newbutton->next )
 					{
 						if( newbutton->type == touch_move || newbutton->type == touch_look )
 							newbutton->finger = -1;
@@ -1910,14 +1867,12 @@ static qboolean Touch_ButtonPress( touchbuttonlist_t *list, touchEventType type,
 
 				if( touch.move_finger == fingerID )
 				{
-					touch_button_t *newbutton;
-
 					// this is an error, try recover
 					touch.move_finger = touch.look_finger = -1;
 
 					// player touched touch_move with enabled look mode
 					// and same finger id. release all move triggers
-					for( newbutton = list->first; newbutton; newbutton = newbutton->next )
+					for( touch_button_t *newbutton = list->first; newbutton; newbutton = newbutton->next )
 					{
 						if( newbutton->type == touch_move || newbutton->type == touch_look )
 							newbutton->finger = -1;
@@ -1994,8 +1949,6 @@ static qboolean Touch_ButtonPress( touchbuttonlist_t *list, touchEventType type,
 
 static qboolean Touch_ButtonEdit( touchEventType type, int fingerID, float x, float y )
 {
-	touch_button_t *button;
-
 	// edit buttons are on y1
 	if( type == event_down )
 	{
@@ -2010,7 +1963,7 @@ static qboolean Touch_ButtonEdit( touchEventType type, int fingerID, float x, fl
 	}
 
 	// run from end(front) to start(back)
-	for( button = touch.list_user.last; button; button = button->prev )
+	for( touch_button_t *button = touch.list_user.last; button; button = button->prev )
 	{
 		if( type == event_down )
 		{

engine/client/input/input.c

@@ -28,7 +28,6 @@ GNU General Public License for more details.
 
 static qboolean	in_mouseactive;				// false when not focus app
 static qboolean	in_mouseinitialized;
-static qboolean	in_mouse_suspended;
 static struct
 {
 	int x, y;
@@ -338,8 +337,6 @@ IN_MouseMove
 */
 static void IN_MouseMove( void )
 {
-	int x, y;
-
 	if( !in_mouseinitialized )
 		return;
 
@@ -351,6 +348,7 @@ static void IN_MouseMove( void )
 	}
 
 	// find mouse movement
+	int x, y;
 	Platform_GetMousePos( &x, &y );
 
 	VGui_MouseMove( x, y );
@@ -587,18 +585,15 @@ Called from cl_main.c after generating command in client
 */
 void IN_EngineAppendMove( float frametime, usercmd_t *cmd, qboolean active )
 {
-	float forward, side, pitch, yaw;
-
 	if( clgame.dllFuncs.pfnLookEvent )
 		return;
 
 	if( cls.key_dest != key_game || cl.paused || cl.intermission )
 		return;
 
-	forward = side = pitch = yaw = 0;
-
 	if( active )
 	{
+		float forward = 0, side = 0, pitch = 0, yaw = 0;
 		float sensitivity = 1;//( (float)cl.local.scr_fov / (float)90.0f );
 
 		IN_CollectInput( &forward, &side, &pitch, &yaw, false );

engine/client/mod_dbghulls.c

@@ -67,18 +67,13 @@ static winding_t * winding_alloc( uint numpoints )
 
 static void free_winding( winding_t *w )
 {
-	// simple sentinel by Carmack
-	if( *(unsigned *)w == 0xDEADC0DE )
-		Host_Error( "%s: freed a freed winding\n", __func__ );
 	*(unsigned *)w = 0xDEADC0DE;
 	free( w );
 }
 
 static winding_t *winding_copy( winding_t *w )
 {
-	winding_t	*neww;
-
-	neww = winding_alloc( w->numpoints );
+	winding_t	*neww = winding_alloc( w->numpoints );
 	memcpy( neww, w, offsetof( winding_t, p[w->numpoints] ) );
 
 	return neww;
@@ -86,12 +81,9 @@ static winding_t *winding_copy( winding_t *w )
 
 static void winding_reverse( winding_t *w )
 {
-	vec3_t	point;
-	int	i;
-
-	for( i = 0; i < w->numpoints / 2; i++ )
+	for( int i = 0; i < w->numpoints / 2; i++ )
 	{
-		VectorCopy( w->p[i], point );
+		vec3_t point = Vec3( w->p[i] );
 		VectorCopy( w->p[w->numpoints - i - 1], w->p[i] );
 		VectorCopy( point, w->p[w->numpoints - i - 1] );
 	}
@@ -120,15 +112,13 @@ winding_for_plane
 static winding_t *winding_for_plane( const mplane_t *p )
 {
 	vec3_t	org, vright, vup;
-	int	i, axis;
-	vec_t	max, v;
-	winding_t	*w;
+	vec_t	v;
 
 	// find the major axis
-	max = -BOGUS_RANGE;
-	axis = -1;
+	vec_t max = -BOGUS_RANGE;
+	int axis = -1;
 
-	for( i = 0; i < 3; i++ )
+	for( int i = 0; i < 3; i++ )
 	{
 		v = fabs( p->normal[i] );
 		if( v > max )
@@ -162,7 +152,7 @@ static winding_t *winding_for_plane( const mplane_t *p )
 	VectorScale( vright, BOGUS_RANGE, vright );
 
 	// project a really big axis aligned box onto the plane
-	w = winding_alloc( 4 );
+	winding_t *w = winding_alloc( 4 );
 	memset( w->p, 0, sizeof( vec3_t ) * 4 );
 	w->numpoints = 4;
 	w->plane = p;
@@ -251,46 +241,42 @@ If keepon is true, an exactly on-plane winding will be saved, otherwise
 */
 static winding_t *winding_clip( winding_t *in, const mplane_t *split, qboolean keepon, int side, vec_t epsilon )
 {
-	vec_t	*dists;
-	int	*sides;
 	int	counts[3];
-	vec_t	dot;
-	int	i, j;
-	winding_t *neww;
-	vec_t	*p1, *p2, *mid;
-	int	maxpts;
 
-	dists = (vec_t *)malloc(( in->numpoints + 1 ) * sizeof( vec_t ));
-	sides = (int *)malloc(( in->numpoints + 1 ) * sizeof( int ));
+	vec_t *dists = (vec_t *)malloc(( in->numpoints + 1 ) * sizeof( vec_t ));
+	int *sides = (int *)malloc(( in->numpoints + 1 ) * sizeof( int ));
 	CalcSides( in, split, sides, dists, counts, epsilon );
 
 	if( keepon && !counts[SIDE_FRONT] && !counts[SIDE_BACK] )
 	{
-		neww = in;
-		goto out_free;
+		free( dists );
+		free( sides );
+		return in;
 	}
 
 	if( !counts[side] )
 	{
 		free_winding( in );
-		neww = NULL;
-		goto out_free;
+		free( dists );
+		free( sides );
+		return NULL;
 	}
 
 	if( !counts[side ^ 1] )
 	{
-		neww = in;
-		goto out_free;
+		free( dists );
+		free( sides );
+		return in;
 	}
 
-	maxpts = in->numpoints + 4;
-	neww = winding_alloc( maxpts );
+	int maxpts = in->numpoints + 4;
+	winding_t *neww = winding_alloc( maxpts );
 	neww->numpoints = 0;
 	neww->plane = in->plane;
 
-	for( i = 0; i < in->numpoints; i++ )
+	for( int i = 0; i < in->numpoints; i++ )
 	{
-		p1 = in->p[i];
+		vec_t *p1 = in->p[i];
 
 		if( sides[i] == SIDE_ON )
 		{
@@ -309,11 +295,11 @@ static winding_t *winding_clip( winding_t *in, const mplane_t *split, qboolean k
 			continue;
 
 		// generate a split point
-		p2 = in->p[(i + 1) % in->numpoints];
-		mid = neww->p[neww->numpoints++];
+		vec_t *p2 = in->p[(i + 1) % in->numpoints];
+		vec_t *mid = neww->p[neww->numpoints++];
 
-		dot = dists[i] / (dists[i] - dists[i + 1]);
-		for( j = 0; j < 3; j++ )
+		vec_t dot = dists[i] / (dists[i] - dists[i + 1]);
+		for( int j = 0; j < 3; j++ )
 		{
 			// avoid round off error when possible
 			if( in->plane->normal[j] == 1.0f )
@@ -336,7 +322,6 @@ static winding_t *winding_clip( winding_t *in, const mplane_t *split, qboolean k
 
 	// Shrink the winding back to just what it needs...
 	neww = winding_shrink(neww);
-out_free:
 	free( dists );
 	free( sides );
 
@@ -355,17 +340,10 @@ new windings will be created.
 */
 static void winding_split( winding_t *in, const mplane_t *split, winding_t **pfront, winding_t **pback )
 {
-	vec_t	*dists;
-	int	*sides;
 	int	counts[3];
-	vec_t	dot;
-	int	i, j;
-	winding_t	*front, *back;
-	vec_t	*p1, *p2, *mid;
-	int	maxpts;
 
-	dists = (vec_t *)malloc(( in->numpoints + 1 ) * sizeof( vec_t ));
-	sides = (int *)malloc(( in->numpoints + 1 ) * sizeof( int ));
+	vec_t *dists = (vec_t *)malloc(( in->numpoints + 1 ) * sizeof( vec_t ));
+	int *sides = (int *)malloc(( in->numpoints + 1 ) * sizeof( int ));
 	CalcSides(in, split, sides, dists, counts, 0.04f );
 
 	if( !counts[0] && !counts[1] )
@@ -373,34 +351,40 @@ static void winding_split( winding_t *in, const mplane_t *split, winding_t **pfr
 		// winding on the split plane - return copies on both sides
 		*pfront = winding_copy( in );
 		*pback = winding_copy( in );
-		goto out_free;
+		free( dists );
+		free( sides );
+		return;
 	}
 
 	if( !counts[0] )
 	{
 		*pfront = NULL;
 		*pback = in;
-		goto out_free;
+		free( dists );
+		free( sides );
+		return;
 	}
 
 	if( !counts[1] )
 	{
 		*pfront = in;
 		*pback = NULL;
-		goto out_free;
+		free( dists );
+		free( sides );
+		return;
 	}
 
-	maxpts = in->numpoints + 4;
-	front = winding_alloc( maxpts );
+	int maxpts = in->numpoints + 4;
+	winding_t *front = winding_alloc( maxpts );
 	front->numpoints = 0;
 	front->plane = in->plane;
-	back = winding_alloc( maxpts );
+	winding_t *back = winding_alloc( maxpts );
 	back->numpoints = 0;
 	back->plane = in->plane;
 
-	for( i = 0; i < in->numpoints; i++ )
+	for( int i = 0; i < in->numpoints; i++ )
 	{
-		p1 = in->p[i];
+		vec_t *p1 = in->p[i];
 
 		if( sides[i] == SIDE_ON )
 		{
@@ -426,11 +410,11 @@ static void winding_split( winding_t *in, const mplane_t *split, winding_t **pfr
 			continue;
 
 		// generate a split point
-		p2 = in->p[(i + 1) % in->numpoints];
-		mid = front->p[front->numpoints++];
+		vec_t *p2 = in->p[(i + 1) % in->numpoints];
+		vec_t *mid = front->p[front->numpoints++];
 
-		dot = dists[i] / (dists[i] - dists[i + 1]);
-		for( j = 0; j < 3; j++ )
+		vec_t dot = dists[i] / (dists[i] - dists[i + 1]);
+		for( int j = 0; j < 3; j++ )
 		{
 			// avoid round off error when possible
 			if( in->plane->normal[j] == 1.0f )
@@ -452,7 +436,6 @@ static void winding_split( winding_t *in, const mplane_t *split, winding_t **pfr
 
 	*pfront = winding_shrink( front );
 	*pback = winding_shrink( back );
-out_free:
 	free( dists );
 	free( sides );
 }
@@ -725,7 +708,7 @@ static void R_DrawHull( hull_model_t *hull )
 	{
 		int i;
 
-		srand((unsigned int)poly );
+		srand((unsigned int)(uintptr_t)poly );
 		ref.dllFuncs.Color4ub( rand() & 255, rand() & 255, rand() & 255, 255 );
 
 		ref.dllFuncs.Begin( TRI_POLYGON );

engine/client/parse/cl_parse.c

@@ -60,33 +60,34 @@ CL_ParseSoundPacket
 */
 static void CL_ParseSoundPacket( sizebuf_t *msg, qboolean restore )
 {
-	vec3_t	pos;
-	int 	chan, sound;
-	float 	volume, attn;
-	int	flags, pitch, entnum, wordIndex = 0;
+	int wordIndex = 0;
 	sound_t	handle = 0;
 	double samplePos = 0, forcedEnd = 0;
 
-	flags = MSG_ReadUBitLong( msg, MAX_SND_FLAGS_BITS );
-	sound = MSG_ReadUBitLong( msg, MAX_SOUND_BITS );
-	chan = MSG_ReadUBitLong( msg, MAX_SND_CHAN_BITS );
+	int flags = MSG_ReadUBitLong( msg, MAX_SND_FLAGS_BITS );
+	int sound = MSG_ReadUBitLong( msg, MAX_SOUND_BITS );
+	int chan = MSG_ReadUBitLong( msg, MAX_SND_CHAN_BITS );
 
+	float volume;
 	if( FBitSet( flags, SND_VOLUME ))
 		volume = (float)MSG_ReadByte( msg ) / 255.0f;
 	else volume = VOL_NORM;
 
+	float attn;
 	if( FBitSet( flags, SND_ATTENUATION ))
 		attn = (float)MSG_ReadByte( msg ) / 64.0f;
 	else attn = ATTN_NONE;
 
+	int pitch;
 	if( FBitSet( flags, SND_PITCH ))
 		pitch = MSG_ReadByte( msg );
 	else pitch = PITCH_NORM;
 
 	// entity reletive
-	entnum = MSG_ReadUBitLong( msg, MAX_ENTITY_BITS );
+	int entnum = MSG_ReadUBitLong( msg, MAX_ENTITY_BITS );
 
 	// positioned in space
+	vec3_t pos;
 	MSG_ReadVec3Coord( msg, pos );
 
 	if( FBitSet( flags, SND_SENTENCE ))
@@ -129,8 +130,6 @@ CL_ParseServerTime
 */
 void CL_ParseServerTime( sizebuf_t *msg, connprotocol_t proto )
 {
-	double	dt;
-
 	cl.mtime[1] = cl.mtime[0];
 	cl.mtime[0] = MSG_ReadFloat( msg );
 
@@ -140,7 +139,7 @@ void CL_ParseServerTime( sizebuf_t *msg, connprotocol_t proto )
 	if( cl.maxclients == 1 )
 		cl.time = cl.mtime[0];
 
-	dt = cl.time - cl.mtime[0];
+	double dt = cl.time - cl.mtime[0];
 
 	if( fabs( dt ) > cl_clockreset.value )	// 0.1 by default
 	{
@@ -212,29 +211,26 @@ CL_ParseParticles
 */
 static void CL_ParseParticles( sizebuf_t *msg, connprotocol_t proto )
 {
-	vec3_t		org, dir;
-	int		i, count, color;
-	float		life;
+	vec3_t org, dir;
 
 	MSG_ReadVec3Coord( msg, org );
 
-	for( i = 0; i < 3; i++ )
+	for( int i = 0; i < 3; i++ )
 		dir[i] = MSG_ReadChar( msg ) * 0.0625f;
 
-	count = MSG_ReadByte( msg );
-	color = MSG_ReadByte( msg );
+	int count = MSG_ReadByte( msg );
+	int color = MSG_ReadByte( msg );
 	if( count == 255 )
 		count = 1024;
 
+	float life;
 	if( proto == PROTO_GOLDSRC )
 		life = 0.0f;
 	else life = MSG_ReadByte( msg ) * 0.125f;
 
 	if( life != 0.0f && count == 1 )
 	{
-		particle_t	*p;
-
-		p = R_AllocParticle( NULL );
+		particle_t *p = R_AllocParticle( NULL );
 		if( !p ) return;
 
 		p->die += life;
@@ -256,25 +252,23 @@ static client entity
 */
 static void CL_ParseStaticEntity( sizebuf_t *msg )
 {
-	int		i, newnum;
 	const entity_state_t from = { 0 };
 	entity_state_t to;
-	cl_entity_t	*ent;
 
 	if( !clgame.static_entities )
 		clgame.static_entities = Mem_Calloc( clgame.mempool, sizeof( cl_entity_t ) * MAX_STATIC_ENTITIES );
 
-	newnum = MSG_ReadUBitLong( msg, MAX_ENTITY_BITS );
+	MSG_ReadUBitLong( msg, MAX_ENTITY_BITS );
 	MSG_ReadDeltaEntity( msg, &from, &to, 0, DELTA_STATIC, cl.mtime[0] );
 
-	i = clgame.numStatics;
+	int i = clgame.numStatics;
 	if( i >= MAX_STATIC_ENTITIES )
 	{
 		Con_Printf( S_ERROR "MAX_STATIC_ENTITIES limit exceeded!\n" );
 		return;
 	}
 
-	ent = &clgame.static_entities[i];
+	cl_entity_t *ent = &clgame.static_entities[i];
 	clgame.numStatics++;
 
 	// all states are same
@@ -315,7 +309,7 @@ Set new weapon animation
 */
 void GAME_EXPORT CL_WeaponAnim( int iAnim, int body )
 {
-	cl_entity_t	*view = &clgame.viewent;
+	cl_entity_t *view = &clgame.viewent;
 
 	cl.local.weaponstarttime = 0.0f;
 	cl.local.weaponsequence = iAnim;
@@ -339,20 +333,18 @@ CL_ParseStaticDecal
 */
 void CL_ParseStaticDecal( sizebuf_t *msg )
 {
-	vec3_t		origin;
-	int		decalIndex, entityIndex, modelIndex;
-	float		scale;
-	int		flags;
+	vec3_t origin;
 
 	MSG_ReadVec3Coord( msg, origin );
-	decalIndex = MSG_ReadWord( msg );
-	entityIndex = MSG_ReadShort( msg );
+	int decalIndex = MSG_ReadWord( msg );
+	int entityIndex = MSG_ReadShort( msg );
 
+	int modelIndex;
 	if( entityIndex > 0 )
 		modelIndex = MSG_ReadWord( msg );
 	else modelIndex = 0;
-	flags = MSG_ReadByte( msg );
-	scale = (float)MSG_ReadWord( msg ) / 4096.0f;
+	int flags = MSG_ReadByte( msg );
+	float scale = (float)MSG_ReadWord( msg ) / 4096.0f;
 
 	CL_FireCustomDecal( CL_DecalIndex( decalIndex ), entityIndex, modelIndex, origin, flags, scale );
 }
@@ -381,11 +373,9 @@ CL_RequestMissingResources
 */
 qboolean CL_RequestMissingResources( void )
 {
-	resource_t	*p;
-
 	if( !cls.dl.doneregistering && ( cls.dl.custom || cls.state == ca_validate ))
 	{
-		p = cl.resourcesneeded.pNext;
+		resource_t *p = cl.resourcesneeded.pNext;
 
 		if( p == &cl.resourcesneeded )
 		{
@@ -404,17 +394,16 @@ qboolean CL_RequestMissingResources( void )
 
 void CL_BatchResourceRequest( qboolean initialize )
 {
-	byte		data[MAX_INIT_MSG];
-	resource_t	*p, *n;
-	sizebuf_t		msg;
-	qboolean		done_downloading = true;
+	byte data[MAX_INIT_MSG];
+	sizebuf_t msg;
+	qboolean done_downloading = true;
 
 	MSG_Init( &msg, "Resource Batch", data, sizeof( data ));
 
 	// client resources is not precached by server
 	if( initialize ) CL_AddClientResources();
 
-	for( p = cl.resourcesneeded.pNext; p && p != &cl.resourcesneeded; p = n )
+	for( resource_t *p = cl.resourcesneeded.pNext, *n; p && p != &cl.resourcesneeded; p = n )
 	{
 		n = p->pNext;
 
@@ -491,10 +480,9 @@ void CL_BatchResourceRequest( qboolean initialize )
 
 int CL_EstimateNeededResources( void )
 {
-	resource_t	*p;
-	int		nTotalSize = 0;
+	int nTotalSize = 0;
 
-	for( p = cl.resourcesneeded.pNext; p != &cl.resourcesneeded; p = p->pNext )
+	for( resource_t *p = cl.resourcesneeded.pNext; p != &cl.resourcesneeded; p = p->pNext )
 	{
 		switch( p->type )
 		{
@@ -570,9 +558,7 @@ static void CL_StartResourceDownloading( const char *pszMessage, qboolean bCusto
 
 static customization_t *CL_PlayerHasCustomization( int nPlayerNum, resourcetype_t type )
 {
-	customization_t	*pList;
-
-	for( pList = cl.players[nPlayerNum].customdata.pNext; pList; pList = pList->pNext )
+	for( customization_t *pList = cl.players[nPlayerNum].customdata.pNext; pList; pList = pList->pNext )
 	{
 		if( pList->resource.type == type )
 			return pList;
@@ -582,10 +568,8 @@ static customization_t *CL_PlayerHasCustomization( int nPlayerNum, resourcetype_
 
 static void CL_RemoveCustomization( int nPlayerNum, customization_t *pRemove )
 {
-	customization_t	*pList;
-	customization_t	*pNext;
-
-	for( pList = cl.players[nPlayerNum].customdata.pNext; pList; pList = pNext )
+	customization_t *pNext;
+	for( customization_t *pList = cl.players[nPlayerNum].customdata.pNext; pList; pList = pNext )
 	{
 		pNext = pList->pNext;
 
@@ -619,17 +603,11 @@ CL_ParseCustomization
 */
 static void CL_ParseCustomization( sizebuf_t *msg )
 {
-	customization_t	*pExistingCustomization;
-	customization_t	*pList;
-	qboolean		bFound;
-	resource_t	*pRes;
-	int		i;
-
-	i = MSG_ReadByte( msg );
+	int i = MSG_ReadByte( msg );
 	if( i >= MAX_CLIENTS )
 		Host_Error( "Bogus player index during customization parsing.\n" );
 
-	pRes = Mem_Calloc( cls.mempool, sizeof( resource_t ));
+	resource_t *pRes = Mem_Calloc( cls.mempool, sizeof( resource_t ));
 	pRes->type = MSG_ReadByte( msg );
 
 	Q_strncpy( pRes->szFileName, MSG_ReadString( msg ), sizeof( pRes->szFileName ));
@@ -656,13 +634,13 @@ static void CL_ParseCustomization( sizebuf_t *msg )
 		return;
 	}
 
-	pExistingCustomization = CL_PlayerHasCustomization( i, pRes->type );
+	customization_t *pExistingCustomization = CL_PlayerHasCustomization( i, pRes->type );
 
 	if( pExistingCustomization )
 		CL_RemoveCustomization( i, pExistingCustomization );
-	bFound = false;
 
-	for( pList = cl.players[pRes->playernum].customdata.pNext; pList; pList = pList->pNext )
+	qboolean bFound = false;
+	for( customization_t *pList = cl.players[pRes->playernum].customdata.pNext; pList; pList = pList->pNext )
 	{
 		if( !memcmp( pList->resource.rgucMD5_hash, pRes->rgucMD5_hash, 16 ))
 		{
@@ -673,11 +651,11 @@ static void CL_ParseCustomization( sizebuf_t *msg )
 
 	if( HPAK_GetDataPointer( hpk_custom_file.string, pRes, NULL, NULL ))
 	{
-		qboolean	bError = false;
+		qboolean bError = false;
 
 		if( !bFound )
 		{
-			pList = &cl.players[pRes->playernum].customdata;
+			customization_t *pList = &cl.players[pRes->playernum].customdata;
 
 			if( !COM_CreateCustomization( pList, pRes, pRes->playernum, FCUST_FROMHPAK, NULL, NULL ))
 				bError = true;
@@ -707,15 +685,14 @@ CL_ParseResourceRequest
 */
 void CL_SendResourceList( const resource_t *list, int count )
 {
-	byte	buffer[MAX_INIT_MSG];
-	sizebuf_t	sbuf;
-	int	i;
+	byte buffer[MAX_INIT_MSG];
+	sizebuf_t sbuf;
 
 	MSG_Init( &sbuf, "ResourceBlock", buffer, sizeof( buffer ));
 	MSG_BeginClientCmd( &sbuf, clc_resourcelist );
 	MSG_WriteShort( &sbuf, count );
 
-	for( i = 0; i < count; i++ )
+	for( int i = 0; i < count; i++ )
 	{
 		MSG_WriteString( &sbuf, list[i].szFileName );
 		MSG_WriteByte( &sbuf, list[i].type );
@@ -733,10 +710,8 @@ void CL_SendResourceList( const resource_t *list, int count )
 
 static void CL_ParseResourceRequest( sizebuf_t *msg )
 {
-	int	arg, nStartIndex;
-
-	arg = MSG_ReadLong( msg );
-	nStartIndex = MSG_ReadLong( msg );
+	int arg = MSG_ReadLong( msg );
+	int nStartIndex = MSG_ReadLong( msg );
 
 	if( cl.servercount != arg )
 		return;
@@ -756,16 +731,12 @@ loading custom decal for self
 */
 static void CL_CreateCustomizationList( void )
 {
-	resource_t	*pResource;
-	player_info_t	*pPlayer;
-	int		i;
-
-	pPlayer = &cl.players[cl.playernum];
+	player_info_t *pPlayer = &cl.players[cl.playernum];
 	pPlayer->customdata.pNext = NULL;
 
-	for( i = 0; i < cl.num_resources; i++ )
+	for( int i = 0; i < cl.num_resources; i++ )
 	{
-		pResource = &cl.resourcelist[i];
+		resource_t *pResource = &cl.resourcelist[i];
 
 		if( !COM_CreateCustomization( &pPlayer->customdata, pResource, cl.playernum, 0, NULL, NULL ))
 			Con_Printf( "problem with client customization %s, ignoring...", pResource->szFileName );
@@ -891,6 +862,15 @@ static void CL_ParseServerData( sizebuf_t *msg, connprotocol_t proto )
 		}
 	}
 
+	if( cl.playernum < 0 || cl.playernum >= MAX_CLIENTS || cl.maxclients <= 0 || cl.maxclients > MAX_CLIENTS )
+	{
+		Con_Printf( S_ERROR "%s: invalid playernum or maxclients (%d and %d must be less than %d)\n", __func__,
+			cl.playernum, cl.maxclients, MAX_CLIENTS );
+		CL_Disconnect_f();
+		Host_AbortCurrentFrame();
+		return;
+	}
+
 	Q_snprintf( mapfile, sizeof( mapfile ), "maps/%s.bsp", clgame.mapname );
 	if( CRC32_MapFile( &cl.worldmapCRC, mapfile, cl.maxclients > 1 ))
 	{
@@ -1238,12 +1218,10 @@ CL_ParseLightStyle
 */
 static void CL_ParseLightStyle( sizebuf_t *msg, connprotocol_t proto )
 {
-	int		style;
-	const char	*s;
-	float		f = cl.mtime[0];
+	float f = cl.mtime[0];
 
-	style = MSG_ReadByte( msg );
-	s = MSG_ReadString( msg );
+	int style = MSG_ReadByte( msg );
+	const char *s = MSG_ReadString( msg );
 	if( proto != PROTO_GOLDSRC && proto != PROTO_QUAKE )
 		f = MSG_ReadFloat( msg );
 
@@ -1271,10 +1249,7 @@ add the view angle yaw
 */
 static void CL_ParseAddAngle( sizebuf_t *msg )
 {
-	pred_viewangle_t	*a;
-	float		delta_yaw;
-
-	delta_yaw = MSG_ReadBitAngle( msg, 16 );
+	float delta_yaw = MSG_ReadBitAngle( msg, 16 );
 #if 0
 	cl.viewangles[YAW] += delta_yaw;
 	return;
@@ -1284,7 +1259,7 @@ static void CL_ParseAddAngle( sizebuf_t *msg )
 
 	// select entry into circular buffer
 	cl.angle_position = (cl.angle_position + 1) & ANGLE_MASK;
-	a = &cl.predicted_angle[cl.angle_position];
+	pred_viewangle_t *a = &cl.predicted_angle[cl.angle_position];
 
 	// record update
 	a->starttime = cl.mtime[0];
@@ -1314,20 +1289,18 @@ reading decals, etc.
 */
 static void CL_ParseRestore( sizebuf_t *msg )
 {
-	string		filename;
-	int		i, mapCount;
-	char		*pMapName;
+	string filename;
 
 	// mapname.HL2
 	Q_strncpy( filename, MSG_ReadString( msg ), sizeof( filename ));
-	mapCount = MSG_ReadByte( msg );
+	int mapCount = MSG_ReadByte( msg );
 
 	// g-cont. acutally in Xash3D this does nothing.
 	// decals already restored on a server, and correctly transferred through levels
 	// but i'm leave this message for backward compatibility
-	for( i = 0; i < mapCount; i++ )
+	for( int i = 0; i < mapCount; i++ )
 	{
-		pMapName = MSG_ReadString( msg );
+		char *pMapName = MSG_ReadString( msg );
 		Con_Printf( "Loading decals from %s\n", pMapName );
 	}
 }
@@ -1341,10 +1314,9 @@ register new user message or update existing
 */
 static void CL_RegisterUserMessage( sizebuf_t *msg, connprotocol_t proto )
 {
-	char *pszName;
 	char szName[17];
-	int size;
 	int svc_num = MSG_ReadByte( msg );
+	int size;
 
 	if( proto == PROTO_GOLDSRC )
 	{
@@ -1359,6 +1331,7 @@ static void CL_RegisterUserMessage( sizebuf_t *msg, connprotocol_t proto )
 			size = -1;
 	}
 
+	char *pszName;
 	if( proto == PROTO_GOLDSRC )
 	{
 		MSG_ReadBytes( msg, szName, sizeof( szName ) - 1 );
@@ -1379,9 +1352,8 @@ collect userinfo from all players
 */
 static void CL_UpdateUserinfo( sizebuf_t *msg, connprotocol_t proto )
 {
-	int		slot, id;
-	qboolean		active;
-	player_info_t	*player;
+	int slot, id;
+	qboolean active;
 
 	if( proto == PROTO_GOLDSRC )
 	{
@@ -1399,7 +1371,7 @@ static void CL_UpdateUserinfo( sizebuf_t *msg, connprotocol_t proto )
 	if( slot >= MAX_CLIENTS )
 		Host_Error( "%s: svc_updateuserinfo >= MAX_CLIENTS\n", __func__ );
 
-	player = &cl.players[slot];
+	player_info_t *player = &cl.players[slot];
 
 	if( active )
 	{
@@ -1440,9 +1412,7 @@ downloading and precache resource in-game
 */
 void CL_ParseResource( sizebuf_t *msg )
 {
-	resource_t	*pResource;
-
-	pResource = Mem_Calloc( cls.mempool, sizeof( resource_t ));
+	resource_t *pResource = Mem_Calloc( cls.mempool, sizeof( resource_t ));
 	pResource->type = MSG_ReadUBitLong( msg, 4 );
 
 	Q_strncpy( pResource->szFileName, MSG_ReadString( msg ), sizeof( pResource->szFileName ));
@@ -1456,31 +1426,31 @@ void CL_ParseResource( sizebuf_t *msg )
 	if( MSG_ReadOneBit( msg ))
 		MSG_ReadBytes( msg, pResource->rguc_reserved, sizeof( pResource->rguc_reserved ));
 
-	if( pResource->type == t_sound && pResource->nIndex > MAX_SOUNDS )
+	if( pResource->type == t_sound && pResource->nIndex >= MAX_SOUNDS )
 	{
 		Mem_Free( pResource );
 		Host_Error( "bad sound index\n" );
 	}
 
-	if( pResource->type == t_model && pResource->nIndex > MAX_MODELS )
+	if( pResource->type == t_model && pResource->nIndex >= MAX_MODELS )
 	{
 		Mem_Free( pResource );
 		Host_Error( "bad model index\n" );
 	}
 
-	if( pResource->type == t_eventscript && pResource->nIndex > MAX_EVENTS )
+	if( pResource->type == t_eventscript && pResource->nIndex >= MAX_EVENTS )
 	{
 		Mem_Free( pResource );
 		Host_Error( "bad event index\n" );
 	}
 
-	if( pResource->type == t_generic && pResource->nIndex > MAX_CUSTOM )
+	if( pResource->type == t_generic && pResource->nIndex >= MAX_CUSTOM )
 	{
 		Mem_Free( pResource );
 		Host_Error( "bad file index\n" );
 	}
 
-	if( pResource->type == t_decal && pResource->nIndex > MAX_DECALS )
+	if( pResource->type == t_decal && pResource->nIndex >= MAX_DECALS )
 	{
 		Mem_Free( pResource );
 		Host_Error( "bad decal index\n" );
@@ -1502,13 +1472,10 @@ void CL_UpdateUserPings( sizebuf_t *msg )
 	// because pings message always ends by null bit
 	while( 1 )
 	{
-		int slot;
-		player_info_t *player;
-
 		if( !MSG_ReadOneBit( msg ))
 			break; // end of message
 
-		slot = MSG_ReadUBitLong( msg, MAX_CLIENT_BITS );
+		int slot = MSG_ReadUBitLong( msg, MAX_CLIENT_BITS );
 
 		if( unlikely( slot >= MAX_CLIENTS ))
 		{
@@ -1516,7 +1483,7 @@ void CL_UpdateUserPings( sizebuf_t *msg )
 			return;
 		}
 
-		player = &cl.players[slot];
+		player_info_t *player = &cl.players[slot];
 		player->ping = MSG_ReadUBitLong( msg, 12 );
 		player->packet_loss = MSG_ReadUBitLong( msg, 7 );
 	}
@@ -1541,18 +1508,14 @@ static const char *CL_CheckTypeToString( int check_type )
 
 static void CL_SendConsistencyInfo( sizebuf_t *msg, connprotocol_t proto )
 {
-	qboolean user_changed_diskfile;
-	vec3_t   mins, maxs;
-	string   filename;
-	byte     md5[16] = { 0 };
-	int      pos;
+	byte md5[16] = { 0 };
 
 	if( !cl.need_force_consistency_response )
 		return;
 	cl.need_force_consistency_response = false;
 
 	MSG_BeginClientCmd( msg, clc_fileconsistency );
-	pos = MSG_GetNumBytesWritten( msg );
+	int pos = MSG_GetNumBytesWritten( msg );
 	if( proto == PROTO_GOLDSRC )
 	{
 		MSG_WriteShort( msg, 0 );
@@ -1564,9 +1527,11 @@ static void CL_SendConsistencyInfo( sizebuf_t *msg, connprotocol_t proto )
 	for( int i = 0; i < cl.num_consistency; i++ )
 	{
 		qboolean have_file = true;
+		qboolean user_changed_diskfile = false;
+		vec3_t mins, maxs;
+		string filename;
 		consistency_t *pc = &cl.consistency_list[i];
 
-		user_changed_diskfile = false;
 		MSG_WriteOneBit( msg, 1 );
 		MSG_WriteUBitLong( msg, pc->orig_index, MAX_MODEL_BITS );
 
@@ -1645,10 +1610,9 @@ static void CL_SendConsistencyInfo( sizebuf_t *msg, connprotocol_t proto )
 
 	if( proto == PROTO_GOLDSRC )
 	{
-		int len;
 		MSG_EndBitWriting( msg );
 
-		len = MSG_GetNumBytesWritten( msg ) - pos - 2;
+		int len = MSG_GetNumBytesWritten( msg ) - pos - 2;
 		*(short *)&msg->pData[pos] = len;
 
 		COM_Munge( &msg->pData[pos + 2], len, cl.servercount );
@@ -1664,11 +1628,10 @@ static void CL_StartDark( void )
 {
 	if( v_dark.value )
 	{
-		screenfade_t		*sf = &clgame.fade;
-		float			fadetime = 5.0f;
-		client_textmessage_t	*title;
+		screenfade_t *sf = &clgame.fade;
+		float fadetime = 5.0f;
 
-		title = CL_TextMessageGet( "GAMETITLE" );
+		client_textmessage_t *title = CL_TextMessageGet( "GAMETITLE" );
 		if( Host_IsQuakeCompatible( ))
 			fadetime = 1.0f;
 
@@ -1780,20 +1743,12 @@ void CL_RegisterResources( sizebuf_t *msg, connprotocol_t proto )
 
 static void CL_ParseConsistencyInfo( sizebuf_t *msg, connprotocol_t proto )
 {
-	int		lastcheck;
-	int		delta;
-	int		i;
-	int		isdelta;
-	resource_t	*pResource;
-	resource_t	*skip_crc_change;
-	int		skip;
-	consistency_t	*pc;
-	byte		nullbuffer[32];
+	byte nullbuffer[32];
 
 	memset( nullbuffer, 0, 32 );
 
 	cl.need_force_consistency_response = MSG_ReadOneBit( msg );
-	pResource = cl.resourcesneeded.pNext;
+	resource_t *pResource = cl.resourcesneeded.pNext;
 
 	if( !cl.need_force_consistency_response )
 		return;
@@ -1807,19 +1762,20 @@ static void CL_ParseConsistencyInfo( sizebuf_t *msg, connprotocol_t proto )
 	if( cl_trace_consistency.value )
 		Con_Printf( "Server wants consistency of the following resources:\n" );
 
-	skip_crc_change = NULL;
-	lastcheck = 0;
+	resource_t *skip_crc_change = NULL;
+	int lastcheck = 0;
 
 	while( MSG_ReadOneBit( msg ))
 	{
-		isdelta = MSG_ReadOneBit( msg );
+		int isdelta = MSG_ReadOneBit( msg );
+		int delta;
 
 		if( isdelta ) delta = MSG_ReadUBitLong( msg, 5 ) + lastcheck;
 		else delta = MSG_ReadUBitLong( msg, proto == PROTO_GOLDSRC ? MAX_GOLDSRC_MODEL_BITS : MAX_MODEL_BITS );
 
-		skip = delta - lastcheck;
+		int skip = delta - lastcheck;
 
-		for( i = 0; i < skip; i++ )
+		for( int i = 0; i < skip; i++ )
 		{
 			if( pResource != skip_crc_change && Q_strstr( pResource->szFileName, "models/" ))
 				Mod_NeedCRC( pResource->szFileName, false );
@@ -1835,7 +1791,7 @@ static void CL_ParseConsistencyInfo( sizebuf_t *msg, connprotocol_t proto )
 		if( cl.num_consistency >= MAX_MODELS )
 			Host_Error( "%s: MAX_MODELS limit exceeded (%d)\n", __func__, MAX_MODELS );
 
-		pc = &cl.consistency_list[cl.num_consistency];
+		consistency_t *pc = &cl.consistency_list[cl.num_consistency];
 		cl.num_consistency++;
 
 		memset( pc, 0, sizeof( *pc ));
@@ -1867,14 +1823,11 @@ CL_ParseResourceList
 */
 void CL_ParseResourceList( sizebuf_t *msg, connprotocol_t proto )
 {
-	resource_t	*pResource;
-	int		i, total;
+	int total = MSG_ReadUBitLong( msg, proto == PROTO_GOLDSRC ? MAX_GOLDSRC_RESOURCE_BITS : MAX_RESOURCE_BITS );
 
-	total = MSG_ReadUBitLong( msg, proto == PROTO_GOLDSRC ? MAX_GOLDSRC_RESOURCE_BITS : MAX_RESOURCE_BITS );
-
-	for( i = 0; i < total; i++ )
+	for( int i = 0; i < total; i++ )
 	{
-		pResource = Mem_Calloc( cls.mempool, sizeof( resource_t ));
+		resource_t *pResource = Mem_Calloc( cls.mempool, sizeof( resource_t ));
 		pResource->type = MSG_ReadUBitLong( msg, 4 );
 
 		Q_strncpy( pResource->szFileName, MSG_ReadString( msg ), sizeof( pResource->szFileName ));
@@ -2071,14 +2024,12 @@ Set screen fade
 */
 static void CL_ParseScreenFade( sizebuf_t *msg )
 {
-	float		duration, holdTime;
-	screenfade_t	*sf = &clgame.fade;
-	float		flScale;
+	screenfade_t *sf = &clgame.fade;
 
-	duration = (float)MSG_ReadWord( msg );
-	holdTime = (float)MSG_ReadWord( msg );
+	float duration = (float)MSG_ReadWord( msg );
+	float holdTime = (float)MSG_ReadWord( msg );
 	sf->fadeFlags = MSG_ReadShort( msg );
-	flScale = FBitSet( sf->fadeFlags, FFADE_LONGFADE ) ? (1.0f / 256.0f) : (1.0f / 4096.0f);
+	float flScale = FBitSet( sf->fadeFlags, FFADE_LONGFADE ) ? (1.0f / 256.0f) : (1.0f / 4096.0f);
 
 	sf->fader = MSG_ReadByte( msg );
 	sf->fadeg = MSG_ReadByte( msg );
@@ -2187,9 +2138,6 @@ Exec map/class specific configs
 */
 static void CL_ParseExec( sizebuf_t *msg )
 {
-	qboolean is_class;
-	int class_idx;
-	string mapname;
 	const char *class_cfgs[] = {
 		"",
 		"exec scout.cfg\n",
@@ -2205,17 +2153,18 @@ static void CL_ParseExec( sizebuf_t *msg )
 		"exec civilian.cfg\n"
 	};
 
-	is_class = MSG_ReadByte( msg );
+	qboolean is_class = MSG_ReadByte( msg );
 
 	if( is_class )
 	{
-		class_idx = MSG_ReadByte( msg );
+		int class_idx = MSG_ReadByte( msg );
 
 		if( class_idx >= 0 && class_idx <= 11 && !Q_stricmp( GI->gamefolder, "tfc" ) )
 			Cbuf_AddText( class_cfgs[class_idx] );
 	}
 	else if( !Q_stricmp( GI->gamefolder, "tfc" ) )
 	{
+		string mapname;
 		Cbuf_AddText( "exec mapdefault.cfg\n" );
 
 		COM_FileBase( clgame.mapname, mapname, sizeof( mapname ));
@@ -2369,17 +2318,15 @@ show display finale or cutscene message
 */
 static void CL_ParseFinaleCutscene( sizebuf_t *msg, int level )
 {
-	static int		msgindex = 0;
-	client_textmessage_t	*text;
-	int			channel;
+	static int msgindex = 0;
 
 	cl.intermission = level;
 
-	channel = msgindex;
+	int channel = msgindex;
 	msgindex = (msgindex + 1) & (MAX_TEXTCHANNELS - 1);
 
 	// grab message channel
-	text = &cl_textmessage[channel];
+	client_textmessage_t *text = &cl_textmessage[channel];
 
 	// NOTE: svc_finale and svc_cutscene has a
 	// predefined settings like Quake-style
@@ -2591,9 +2538,9 @@ dispatch messages
 */
 void CL_ParseServerMessage( sizebuf_t *msg )
 {
-	size_t		bufStart, playerbytes;
-	int		cmd;
-	int		old_background;
+	size_t bufStart, playerbytes;
+	int cmd;
+	int old_background;
 
 	// parse the message
 	while( 1 )

engine/client/parse/cl_parse_gs.c

@@ -285,19 +285,17 @@ static void CL_CopyPacketEntity( frame_t *frame, int num, const entity_state_t *
 
 static int CL_ParsePacketEntitiesGS( sizebuf_t *msg, qboolean delta )
 {
-	frame_t *frame, *oldframe;
-	int oldindex, oldnum, numbase = 0;
-	entity_state_t *oldent;
-	int count;
+	frame_t *oldframe;
+	int numbase = 0;
 	int playerbytes = 0;
 
 	// save first uncompressed packet as timestamp
 	if( cls.changelevel && !delta && cls.demorecording )
 		CL_WriteDemoJumpTime();
 
-	count = MSG_ReadWord( msg );
+	int count = MSG_ReadWord( msg );
 
-	frame = &cl.frames[cl.parsecountmod];
+	frame_t *frame = &cl.frames[cl.parsecountmod];
 	memset( frame->flags, 0, sizeof( frame->flags ));
 	frame->first_entity = cls.next_client_entities;
 	frame->num_entities = 0;
@@ -326,9 +324,9 @@ static int CL_ParsePacketEntitiesGS( sizebuf_t *msg, qboolean delta )
 
 	MSG_StartBitWriting( msg );
 
-	oldent = NULL;
-	oldindex = 0;
-	oldnum = CL_UpdateOldEntNum( oldindex, oldframe, &oldent );
+	entity_state_t *oldent = NULL;
+	int oldindex = 0;
+	int oldnum = CL_UpdateOldEntNum( oldindex, oldframe, &oldent );
 
 	// read it all but ignore it
 	while( 1 )
@@ -415,10 +413,9 @@ static int CL_ParsePacketEntitiesGS( sizebuf_t *msg, qboolean delta )
 static float MSG_ReadGSBitCoord( sizebuf_t *sb )
 {
 	float value = 0;
-	int ival, fval;
 
-	ival = MSG_ReadOneBit( sb );
-	fval = MSG_ReadOneBit( sb );
+	int ival = MSG_ReadOneBit( sb );
+	int fval = MSG_ReadOneBit( sb );
 
 	if( ival || fval )
 	{
@@ -439,13 +436,11 @@ static float MSG_ReadGSBitCoord( sizebuf_t *sb )
 
 static void MSG_ReadGSBitVec3Coord( sizebuf_t *sb, vec3_t fa )
 {
-	qboolean x, y, z;
-
 	VectorClear( fa );
 
-	x = MSG_ReadOneBit( sb );
-	y = MSG_ReadOneBit( sb );
-	z = MSG_ReadOneBit( sb );
+	qboolean x = MSG_ReadOneBit( sb );
+	qboolean y = MSG_ReadOneBit( sb );
+	qboolean z = MSG_ReadOneBit( sb );
 	if( x )
 		fa[0] = MSG_ReadGSBitCoord( sb );
 	if( y )
@@ -456,31 +451,32 @@ static void MSG_ReadGSBitVec3Coord( sizebuf_t *sb, vec3_t fa )
 
 static void CL_ParseSoundPacketGS( sizebuf_t *msg )
 {
-	vec3_t	pos;
-	int 	chan, sound;
-	float 	volume, attn;
-	int	flags, pitch, entnum;
 	sound_t	handle = 0;
 
 	MSG_StartBitWriting( msg );
 
-	flags = MSG_ReadUBitLong( msg, 9 );
+	int flags = MSG_ReadUBitLong( msg, 9 );
 
+	float volume;
 	if( FBitSet( flags, SND_VOLUME ))
 		volume = (float)MSG_ReadByte( msg ) / 255.0f;
 	else volume = VOL_NORM;
 
+	float attn;
 	if( FBitSet( flags, SND_ATTENUATION ))
 		attn = (float)MSG_ReadByte( msg ) / 64.0f;
 	else attn = ATTN_NONE;
 
-	chan = MSG_ReadUBitLong( msg, 3 );
-	entnum = MSG_ReadUBitLong( msg, MAX_GOLDSRC_ENTITY_BITS );
+	int chan = MSG_ReadUBitLong( msg, 3 );
+	int entnum = MSG_ReadUBitLong( msg, MAX_GOLDSRC_ENTITY_BITS );
+	int sound;
 	if( FBitSet( flags, SND_GOLDSRC_LARGE_INDEX ))
 		sound = MSG_ReadWord( msg );
 	else sound = MSG_ReadByte( msg );
+	vec3_t pos;
 	MSG_ReadGSBitVec3Coord( msg, pos );
 
+	int pitch;
 	if( FBitSet( flags, SND_PITCH ))
 		pitch = MSG_ReadByte( msg );
 	else pitch = PITCH_NORM;
@@ -514,17 +510,15 @@ static void CL_ParseSoundPacketGS( sizebuf_t *msg )
 static void CL_ParseSpawnStaticSound( sizebuf_t *msg )
 {
 	vec3_t pos;
-	int sound, entnum, pitch, flags;
-	float volume, attn;
 	sound_t handle = 0;
 
 	MSG_ReadVec3Coord( msg, pos );
-	sound  = MSG_ReadShort( msg );
-	volume = MSG_ReadByte( msg ) * ( 1.0f / 255.0f );
-	attn   = MSG_ReadByte( msg ) * ( 1.0f / 64.0f );
-	entnum = MSG_ReadShort( msg );
-	pitch  = MSG_ReadByte( msg );
-	flags  = MSG_ReadByte( msg );
+	int sound    = MSG_ReadShort( msg );
+	float volume = MSG_ReadByte( msg ) * ( 1.0f / 255.0f );
+	float attn   = MSG_ReadByte( msg ) * ( 1.0f / 64.0f );
+	int entnum   = MSG_ReadShort( msg );
+	int pitch    = MSG_ReadByte( msg );
+	int flags    = MSG_ReadByte( msg );
 
 	if( FBitSet( flags, SND_SENTENCE ))
 	{

engine/client/parse/cl_qparse.c

@@ -80,14 +80,13 @@ we don't want interpolate this
 */
 static qboolean CL_QuakeEntityTeleported( cl_entity_t *ent, entity_state_t *newstate )
 {
-	float	len, maxlen;
-	vec3_t	delta;
+	vec3_t delta;
 
 	VectorSubtract( newstate->origin, ent->prevstate.origin, delta );
 
 	// compute potential max movement in units per frame and compare with entity movement
-	maxlen = ( clgame.movevars.maxvelocity * ( 1.0f / GAME_FPS ));
-	len = VectorLength( delta );
+	float maxlen = ( clgame.movevars.maxvelocity * ( 1.0f / GAME_FPS ));
+	float len = VectorLength( delta );
 
 	return (len > maxlen);
 }
@@ -139,33 +138,30 @@ CL_ParseQuakeSound
 */
 static void CL_ParseQuakeSound( sizebuf_t *msg )
 {
-	int 	channel, sound;
-	int	flags, entnum;
-	float 	volume, attn;
-	sound_t	handle;
-	vec3_t	pos;
-
-	flags = MSG_ReadByte( msg );
+	int flags = MSG_ReadByte( msg );
 
+	float volume;
 	if( FBitSet( flags, SND_VOLUME ))
 		volume = (float)MSG_ReadByte( msg ) / 255.0f;
 	else volume = VOL_NORM;
 
+	float attn;
 	if( FBitSet( flags, SND_ATTENUATION ))
 		attn = (float)MSG_ReadByte( msg ) / 64.0f;
 	else attn = ATTN_NONE;
 
-	channel = MSG_ReadWord( msg );
-	sound = MSG_ReadByte( msg );	// Quake1 have max 255 precached sounds. erm
+	int channel = MSG_ReadWord( msg );
+	int sound = MSG_ReadByte( msg );	// Quake1 have max 255 precached sounds. erm
 
 	// positioned in space
+	vec3_t pos;
 	MSG_ReadVec3Coord( msg, pos );
 
-	entnum = channel >> 3;	// entity reletive
+	int entnum = channel >> 3;	// entity reletive
 	channel &= 7;
 
 	// see precached sound
-	handle = cl.sound_index[sound];
+	sound_t handle = cl.sound_index[sound];
 
 	if( !cl.audio_prepped )
 		return; // too early
@@ -181,11 +177,6 @@ CL_ParseQuakeServerInfo
 */
 static void CL_ParseQuakeServerInfo( sizebuf_t *msg )
 {
-	resource_t	*pResource;
-	const char	*pResName;
-	int		gametype;
-	int		i;
-
 	Con_Reportf( "Serverdata packet received.\n" );
 	cls.timestart = Platform_DoubleTime();
 
@@ -198,7 +189,7 @@ static void CL_ParseQuakeServerInfo( sizebuf_t *msg )
 	cls.state = ca_connected;
 
 	// parse protocol version number
-	i = MSG_ReadLong( msg );
+	int i = MSG_ReadLong( msg );
 
 	if( i != PROTOCOL_VERSION_QUAKE )
 	{
@@ -208,7 +199,7 @@ static void CL_ParseQuakeServerInfo( sizebuf_t *msg )
 	}
 
 	cl.maxclients = MSG_ReadByte( msg );
-	gametype = MSG_ReadByte( msg );
+	int gametype = MSG_ReadByte( msg );
 	clgame.maxEntities = GI->max_edicts;
 	clgame.maxEntities = bound( 600, clgame.maxEntities, MAX_EDICTS );
 	clgame.maxModels = MAX_MODELS;
@@ -264,12 +255,12 @@ static void CL_ParseQuakeServerInfo( sizebuf_t *msg )
 	// Quake just have a large packet of initialization data
 	for( i = 1; i < MAX_MODELS; i++ )
 	{
-		pResName = MSG_ReadString( msg );
+		const char *pResName = MSG_ReadString( msg );
 
 		if( COM_StringEmptyOrNULL( pResName ))
 			break; // end of list
 
-		pResource = Mem_Calloc( cls.mempool, sizeof( resource_t ));
+		resource_t *pResource = Mem_Calloc( cls.mempool, sizeof( resource_t ));
 		pResource->type = t_model;
 
 		Q_strncpy( pResource->szFileName, pResName, sizeof( pResource->szFileName ));
@@ -282,12 +273,12 @@ static void CL_ParseQuakeServerInfo( sizebuf_t *msg )
 
 	for( i = 1; i < MAX_SOUNDS; i++ )
 	{
-		pResName = MSG_ReadString( msg );
+		const char *pResName = MSG_ReadString( msg );
 
 		if( COM_StringEmptyOrNULL( pResName ))
 			break; // end of list
 
-		pResource = Mem_Calloc( cls.mempool, sizeof( resource_t ));
+		resource_t *pResource = Mem_Calloc( cls.mempool, sizeof( resource_t ));
 		pResource->type = t_sound;
 
 		Q_strncpy( pResource->szFileName, pResName, sizeof( pResource->szFileName ));
@@ -340,15 +331,12 @@ CL_ParseQuakeClientData
 */
 static void CL_ParseQuakeClientData( sizebuf_t *msg )
 {
-	int	i, bits = MSG_ReadWord( msg );
-	frame_t	*frame;
+	int bits = MSG_ReadWord( msg );
 
 	// this is the frame update that this message corresponds to
-	i = cls.netchan.incoming_sequence;
-
-	cl.parsecount = i;					// ack'd incoming messages.
+	cl.parsecount = cls.netchan.incoming_sequence;		// ack'd incoming messages.
 	cl.parsecountmod = cl.parsecount & CL_UPDATE_MASK;	// index into window.
-	frame = &cl.frames[cl.parsecountmod];			// frame at index.
+	frame_t *frame = &cl.frames[cl.parsecountmod];		// frame at index.
 	frame->time = cl.mtime[0];				// mark network received time
 	frame->receivedtime = host.realtime;			// time now that we are parsing.
 	memset( &frame->graphdata, 0, sizeof( netbandwidthgraph_t ));
@@ -365,7 +353,7 @@ static void CL_ParseQuakeClientData( sizebuf_t *msg )
 		cl.local.idealpitch = MSG_ReadChar( msg );
 	else cl.local.idealpitch = 0;
 
-	for( i = 0; i < 3; i++ )
+	for( int i = 0; i < 3; i++ )
 	{
 		if( FBitSet( bits, SU_PUNCH1 << i ))
 			frame->clientdata.punchangle[i] = (float)MSG_ReadChar( msg );
@@ -568,15 +556,14 @@ CL_ParseQuakeParticles
 */
 static void CL_ParseQuakeParticle( sizebuf_t *msg )
 {
-	int	count, color;
-	vec3_t	org, dir;
+	vec3_t org, dir;
 
 	MSG_ReadVec3Coord( msg, org );
 	dir[0] = MSG_ReadChar( msg ) * 0.0625f;
 	dir[1] = MSG_ReadChar( msg ) * 0.0625f;
 	dir[2] = MSG_ReadChar( msg ) * 0.0625f;
-	count = MSG_ReadByte( msg );
-	color = MSG_ReadByte( msg );
+	int count = MSG_ReadByte( msg );
+	int color = MSG_ReadByte( msg );
 	if( count == 255 ) count = 1024;
 
 	R_RunParticleEffect( org, dir, color, count );
@@ -590,14 +577,12 @@ CL_ParseQuakeStaticSound
 */
 static void CL_ParseQuakeStaticSound( sizebuf_t *msg )
 {
-	int	sound_num;
-	float 	vol, attn;
-	vec3_t	org;
+	vec3_t org;
 
 	MSG_ReadVec3Coord( msg, org );
-	sound_num = MSG_ReadByte( msg );
-	vol = (float)MSG_ReadByte( msg ) / 255.0f;
-	attn = (float)MSG_ReadByte( msg ) / 64.0f;
+	int sound_num = MSG_ReadByte( msg );
+	float vol = (float)MSG_ReadByte( msg ) / 255.0f;
+	float attn = (float)MSG_ReadByte( msg ) / 64.0f;
 
 	S_StartSound( org, 0, CHAN_STATIC, cl.sound_index[sound_num], vol, attn, PITCH_NORM, 0 );
 }
@@ -628,8 +613,6 @@ CL_ParseStaticEntity
 static void CL_ParseQuakeStaticEntity( sizebuf_t *msg )
 {
 	entity_state_t state = { 0 };
-	cl_entity_t	*ent;
-	int		i;
 
 	if( !clgame.static_entities )
 		clgame.static_entities = Mem_Calloc( clgame.mempool, sizeof( cl_entity_t ) * MAX_STATIC_ENTITIES );
@@ -645,14 +628,14 @@ static void CL_ParseQuakeStaticEntity( sizebuf_t *msg )
 	state.origin[2] = MSG_ReadCoord( msg );
 	state.angles[2] = MSG_ReadAngle( msg );
 
-	i = clgame.numStatics;
+	int i = clgame.numStatics;
 	if( i >= MAX_STATIC_ENTITIES )
 	{
 		Con_Printf( S_ERROR "%s: static entities limit exceeded!\n", __func__ );
 		return;
 	}
 
-	ent = &clgame.static_entities[i];
+	cl_entity_t *ent = &clgame.static_entities[i];
 	clgame.numStatics++;
 
 	ent->index = 0; // ???
@@ -692,16 +675,13 @@ CL_ParseQuakeBaseline
 */
 static void CL_ParseQuakeBaseline( sizebuf_t *msg )
 {
-	entity_state_t	state;
-	cl_entity_t	*ent;
-	int		newnum;
-
-	newnum = MSG_ReadWord( msg ); // entnum
+	int newnum = MSG_ReadWord( msg ); // entnum
 
 	if( newnum >= clgame.maxEntities )
 		Host_Error( "%s: no free edicts\n", __func__ );
 
 	// parse baseline
+	entity_state_t state;
 	memset( &state, 0, sizeof( state ));
 	state.modelindex = MSG_ReadByte( msg );
 	state.frame = MSG_ReadByte( msg );
@@ -714,7 +694,7 @@ static void CL_ParseQuakeBaseline( sizebuf_t *msg )
 	state.origin[2] = MSG_ReadCoord( msg );
 	state.angles[2] = MSG_ReadAngle( msg );
 
-	ent = CL_EDICT_NUM( newnum );
+	cl_entity_t *ent = CL_EDICT_NUM( newnum );
 	ent->index = newnum;
 	ent->player = CL_IsPlayerIndex( newnum );
 	ent->prevstate = ent->baseline = state;
@@ -973,12 +953,21 @@ void CL_ParseQuakeMessage( sizebuf_t *msg )
 			break;
 		case svc_updatename:
 			param1 = MSG_ReadByte( msg );
+			if( param1 >= ARRAYSIZE( cl.players ))
+			{
+				MSG_ReadString( msg );
+				break;
+			}
+
 			Q_strncpy( cl.players[param1].name, MSG_ReadString( msg ), sizeof( cl.players[0].name ));
 			Q_strncpy( cl.players[param1].model, "player", sizeof( cl.players[0].name ));
 			break;
 		case svc_updatefrags:
 			param1 = MSG_ReadByte( msg );
 			param2 = MSG_ReadShort( msg );
+			if( param1 >= ARRAYSIZE( cl.players ))
+				break;
+
 			// HACKHACK: store frags into spectator
 			cl.players[param1].spectator = param2;
 			break;
@@ -994,6 +983,9 @@ void CL_ParseQuakeMessage( sizebuf_t *msg )
 		case svc_updatecolors:
 			param1 = MSG_ReadByte( msg );
 			param2 = MSG_ReadByte( msg );
+			if( param1 >= ARRAYSIZE( cl.players ) || param2 >= ARRAYSIZE( cl.players ))
+				break;
+
 			cl.players[param1].topcolor = param2 & 0xF;
 			cl.players[param1].bottomcolor = (param2 & 0xF0) >> 4;
 			break;

engine/client/sound/s_dsp.c

@@ -386,13 +386,14 @@ Do stereo processing
 static void DLY_DoStereoDelay( portable_samplepair_t *paint, int count )
 {
 	dly_t *dly = &stereodly;
-	int delay, samplexf;
 
 	if( !dly->lpdelayline )
 		return; // inactive
 
 	for( ; count; count--, paint++ )
 	{
+		int delay;
+
 		if( dly->mod && --dly->modcur < 0 )
 			dly->modcur = dly->mod;
 
@@ -414,7 +415,7 @@ static void DLY_DoStereoDelay( portable_samplepair_t *paint, int count )
 			// modify delay, if crossfading
 			if( dly->xfade )
 			{
-				samplexf = dly->lpdelayline[dly->idelayoutputxf] * (128 - dly->xfade) >> 7;
+				int samplexf = dly->lpdelayline[dly->idelayoutputxf] * (128 - dly->xfade) >> 7;
 				delay = samplexf + ((delay * dly->xfade) >> 7);
 
 				if( ++dly->idelayoutputxf >= dly->cdelaysamplesmax )
@@ -496,14 +497,13 @@ Do delay processing
 static void DLY_DoDelay( portable_samplepair_t *paint, int count )
 {
 	dly_t *dly = &monodly;
-	int delay;
 
 	if( !dly->lpdelayline || !count )
 		return; // inactive
 
 	for( ; count; count--, paint++ )
 	{
-		delay = dly->lpdelayline[dly->idelayoutput];
+		int delay = dly->lpdelayline[dly->idelayoutput];
 
 		// don't process if delay line and left/right samples are zero
 		if( delay || paint->left || paint->right )
@@ -613,8 +613,6 @@ Do reverberation for one dly
 static int RVB_DoReverbForOneDly( dly_t *dly, const int vlr, const portable_samplepair_t *samplepair )
 {
 	int	delay;
-	int	samplexf;
-	int	val, valt;
 	int	voutm = 0;
 
 	if( --dly->modcur < 0 )
@@ -624,6 +622,8 @@ static int RVB_DoReverbForOneDly( dly_t *dly, const int vlr, const portable_samp
 
 	if( dly->xfade || delay || samplepair->left || samplepair->right )
 	{
+		int	val, valt;
+
 		// modulate delay rate
 		if( !dly->mod )
 		{
@@ -636,7 +636,7 @@ static int RVB_DoReverbForOneDly( dly_t *dly, const int vlr, const portable_samp
 
 		if( dly->xfade )
 		{
-			samplexf = (dly->lpdelayline[dly->idelayoutputxf] * (REVERB_XFADE - dly->xfade)) / REVERB_XFADE;
+			int samplexf = (dly->lpdelayline[dly->idelayoutputxf] * (REVERB_XFADE - dly->xfade)) / REVERB_XFADE;
 			delay = ((delay * dly->xfade) / REVERB_XFADE) + samplexf;
 
 			if( ++dly->idelayoutputxf >= dly->cdelaysamplesmax )
@@ -688,14 +688,14 @@ static void RVB_DoReverb( portable_samplepair_t *paint, int count )
 {
 	dly_t *dly1 = &reverbdly[0];
 	dly_t *dly2 = &reverbdly[1];
-	int vlr, voutm;
 
 	if( !dly1->lpdelayline )
 		return;
 
 	for( ; count; count--, paint++ )
 	{
-		vlr = ( paint->left + paint->right ) >> 1;
+		int vlr = ( paint->left + paint->right ) >> 1;
+		int voutm;
 
 		voutm = RVB_DoReverbForOneDly( dly1, vlr, paint );
 		voutm += RVB_DoReverbForOneDly( dly2, vlr, paint );
@@ -881,9 +881,8 @@ static void SX_Profiling_f( void )
 	portable_samplepair_t	testbuffer[512];
 	float			oldroom = room_type.value;
 	double			start, end;
-	int			i, calls;
 
-	for( i = 0; i < ARRAYSIZE( testbuffer ); i++ )
+	for( int i = 0; i < ARRAYSIZE( testbuffer ); i++ )
 	{
 		testbuffer[i].left = COM_RandomLong( 0, 3000 );
 		testbuffer[i].right = COM_RandomLong( 0, 3000 );
@@ -899,7 +898,7 @@ static void SX_Profiling_f( void )
 	Con_Printf( "Profiling 10000 calls to DSP. Sample count is 512, room_type is %i\n", idsp_room );
 
 	start = Platform_DoubleTime();
-	for( calls = 10000; calls; calls-- )
+	for( int calls = 10000; calls; calls-- )
 	{
 		SX_RoomFX( testbuffer, 512 );
 	}

engine/client/sound/s_load.c

@@ -39,17 +39,16 @@ S_SoundList_f
 */
 void S_SoundList_f( void )
 {
-	sfx_t		*sfx;
-	wavdata_t		*sc;
-	int		i, totalSfx = 0;
-	int		totalSize = 0;
+	sfx_t	*sfx;
+	int	i, totalSfx = 0;
+	int	totalSize = 0;
 
 	for( i = 0, sfx = s_knownSfx; i < s_numSfx; i++, sfx++ )
 	{
 		if( !sfx->name[0] )
 			continue;
 
-		sc = sfx->cache;
+		wavdata_t *sc = sfx->cache;
 		if( sc )
 		{
 			totalSize += sc->size;
@@ -149,7 +148,7 @@ S_FindName
 sfx_t *S_FindName( const char *pname, qboolean *pfInCache )
 {
 	sfx_t	*sfx;
-	uint	i, hash;
+	uint	i;
 	string	name;
 
 	if( COM_StringEmptyOrNULL( pname ) || !snd.initialized )
@@ -162,7 +161,7 @@ sfx_t *S_FindName( const char *pname, qboolean *pfInCache )
 	COM_FixSlashes( name );
 
 	// see if already loaded
-	hash = COM_HashKey( name, MAX_SFX_HASH );
+	uint hash = COM_HashKey( name, MAX_SFX_HASH );
 	for( sfx = s_sfxHashList[hash]; sfx; sfx = sfx->hashNext )
 	{
 		if( !Q_strcmp( sfx->name, name ))
@@ -210,17 +209,14 @@ S_FreeSound
 */
 void S_FreeSound( sfx_t *sfx )
 {
-	sfx_t	*hashSfx;
-	sfx_t	**prev;
-
 	if( !sfx || !sfx->name[0] )
 		return;
 
 	// de-link it from the hash tree
-	prev = &s_sfxHashList[sfx->hashValue];
+	sfx_t **prev = &s_sfxHashList[sfx->hashValue];
 	while( 1 )
 	{
-		hashSfx = *prev;
+		sfx_t *hashSfx = *prev;
 		if( !hashSfx )
 			break;
 
@@ -251,12 +247,10 @@ S_BeginRegistration
 */
 void S_BeginRegistration( void )
 {
-	int	i;
-
 	snd.have_ambient_sfx = false;
 
 	// check for automatic ambient sounds
-	for( i = 0; i < NUM_AMBIENTS; i++ )
+	for( int i = 0; i < NUM_AMBIENTS; i++ )
 	{
 		if( !GI->ambientsound[i][0] )
 			continue;	// empty slot
@@ -386,6 +380,7 @@ void S_FreeSounds( void )
 	for( i = 0, sfx = s_knownSfx; i < s_numSfx; i++, sfx++ )
 		S_FreeSound( sfx );
 
+
 	memset( s_knownSfx, 0, sizeof( s_knownSfx ));
 	memset( s_sfxHashList, 0, sizeof( s_sfxHashList ));
 

engine/client/sound/s_main.c

@@ -290,8 +290,6 @@ static int SND_GetChannelTimeLeft( const channel_t *ch )
 
 	if( ch->words ) // sentences are special, count all remaining words
 	{
-		int i;
-
 		if( FBitSet( ch->flags, FL_CHAN_SENTENCE_FINISHED ) )
 			return 0;
 
@@ -300,7 +298,7 @@ static int SND_GetChannelTimeLeft( const channel_t *ch )
 
 		// here we count all remaining words, stopping if no sfx or sound file is available
 		// see VOX_LoadWord
-		for( i = ch->word_index + 1; i < CVOXWORDMAX; i++ )
+		for( int i = ch->word_index + 1; i < CVOXWORDMAX; i++ )
 		{
 			wavdata_t *sc;
 			int end;
@@ -341,14 +339,9 @@ exceptions).
 */
 channel_t *SND_PickDynamicChannel( int entnum, int channel, sfx_t *sfx, qboolean *ignore )
 {
-	int	ch_idx;
-	int	first_to_die;
-	int	life_left;
-	int	timeleft;
+	int	first_to_die = -1;
+	int	life_left = 0x7fffffff;
 
-	// check for replacement sound, or find the best one to replace
-	first_to_die = -1;
-	life_left = 0x7fffffff;
 	if( ignore ) *ignore = false;
 
 	if( channel == CHAN_STREAM && SND_FStreamIsPlaying( sfx ))
@@ -358,9 +351,10 @@ channel_t *SND_PickDynamicChannel( int entnum, int channel, sfx_t *sfx, qboolean
 		return NULL;
 	}
 
-	for( ch_idx = NUM_AMBIENTS; ch_idx < MAX_DYNAMIC_CHANNELS; ch_idx++ )
+	for( int ch_idx = NUM_AMBIENTS; ch_idx < MAX_DYNAMIC_CHANNELS; ch_idx++ )
 	{
 		channel_t	*ch = &snd.channels[ch_idx];
+		int	timeleft;
 
 		// Never override a streaming sound that is currently playing or
 		// voice over IP data that is playing or any sound on CHAN_VOICE( acting )
@@ -627,8 +621,8 @@ void S_StartSound( const vec3_t pos, int ent, int chan, sound_t handle, float fv
 {
 	wavdata_t	*pSource;
 	sfx_t	*sfx = NULL;
-	channel_t	*target_chan, *check;
-	int	vol, ch_idx;
+	channel_t	*target_chan;
+	int	vol;
 	qboolean	bIgnore = false;
 
 	if( !snd.initialized ) return;
@@ -874,7 +868,7 @@ void S_AmbientSound( const vec3_t pos, int ent, sound_t handle, float fvol, floa
 	channel_t	*ch;
 	wavdata_t	*pSource = NULL;
 	sfx_t	*sfx = NULL;
-	int	vol, fvox = 0;
+	int	vol;
 
 	if( !snd.initialized ) return;
 	sfx = S_GetSfxByHandle( handle );
@@ -911,7 +905,6 @@ void S_AmbientSound( const vec3_t pos, int ent, sound_t handle, float fvol, floa
 		Q_strncpy( ch->name, sfx->name, sizeof( ch->name ));
 		sfx = ch->sfx;
 		if( sfx ) pSource = sfx->cache;
-		fvox = 1;
 	}
 	else
 	{
@@ -1020,14 +1013,14 @@ grab all static sounds playing at current channel
 int S_GetCurrentDynamicSounds( soundlist_t *pout, int size )
 {
 	int	sounds_left = size;
-	int	i, looped;
 
 	if( !snd.initialized )
 		return 0;
 
-	for( i = 0; i < snd.max_channels && sounds_left; i++ )
+	for( int i = 0; i < snd.max_channels && sounds_left; i++ )
 	{
 		const channel_t *ch = &snd.channels[i];
+		int looped;
 
 		if( !ch->sfx || !ch->sfx->name[0] || !Q_stricmp( ch->sfx->name, "*default" ))
 			continue;	// don't serialize default sounds
@@ -1085,8 +1078,6 @@ S_UpdateAmbientSounds
 */
 static void S_UpdateAmbientSounds( void )
 {
-	int ambient_channel;
-
 	if( !snd.have_ambient_sfx )
 		return;
 
@@ -1117,7 +1108,7 @@ static void S_UpdateAmbientSounds( void )
 			continue;
 		}
 
-		float vol = s_ambient_level.value * leaf->ambient_sound_level[ambient_channel];
+		float vol = s_ambient_level.value * leaf->ambient_sound_level[i];
 		if( vol < 0.0f )
 			vol = 0.0f;
 
@@ -1223,14 +1214,13 @@ S_RawSamplesStereo
 */
 uint S_RawSamplesStereo( portable_samplepair_t *rawsamples, uint rawend, uint max_samples, uint samples, uint rate, word width, word channels, const byte *data )
 {
-	uint	fracstep, samplefrac;
-	uint	src, dst;
+	uint	src;
 
 	if( rawend < snd.paintedtime )
 		rawend = snd.paintedtime;
 
-	fracstep = ((double) rate / (double)SOUND_DMA_SPEED) * (double)(1 << S_RAW_SAMPLES_PRECISION_BITS);
-	samplefrac = 0;
+	uint fracstep = ((double) rate / (double)SOUND_DMA_SPEED) * (double)(1 << S_RAW_SAMPLES_PRECISION_BITS);
+	uint samplefrac = 0;
 
 	if( width == 2 )
 	{
@@ -1240,7 +1230,7 @@ uint S_RawSamplesStereo( portable_samplepair_t *rawsamples, uint rawend, uint ma
 		{
 			for( src = 0; src < samples; samplefrac += fracstep, src = ( samplefrac >> S_RAW_SAMPLES_PRECISION_BITS ))
 			{
-				dst = rawend++ & ( max_samples - 1 );
+				uint dst = rawend++ & ( max_samples - 1 );
 				rawsamples[dst].left = in[src*2+0];
 				rawsamples[dst].right = in[src*2+1];
 			}
@@ -1249,7 +1239,7 @@ uint S_RawSamplesStereo( portable_samplepair_t *rawsamples, uint rawend, uint ma
 		{
 			for( src = 0; src < samples; samplefrac += fracstep, src = ( samplefrac >> S_RAW_SAMPLES_PRECISION_BITS ))
 			{
-				dst = rawend++ & ( max_samples - 1 );
+				uint dst = rawend++ & ( max_samples - 1 );
 				rawsamples[dst].left = in[src];
 				rawsamples[dst].right = in[src];
 			}
@@ -1263,7 +1253,7 @@ uint S_RawSamplesStereo( portable_samplepair_t *rawsamples, uint rawend, uint ma
 
 			for( src = 0; src < samples; samplefrac += fracstep, src = ( samplefrac >> S_RAW_SAMPLES_PRECISION_BITS ))
 			{
-				dst = rawend++ & ( max_samples - 1 );
+				uint dst = rawend++ & ( max_samples - 1 );
 				rawsamples[dst].left = in[src*2+0] << 8;
 				rawsamples[dst].right = in[src*2+1] << 8;
 			}
@@ -1272,7 +1262,7 @@ uint S_RawSamplesStereo( portable_samplepair_t *rawsamples, uint rawend, uint ma
 		{
 			for( src = 0; src < samples; samplefrac += fracstep, src = ( samplefrac >> S_RAW_SAMPLES_PRECISION_BITS ))
 			{
-				dst = rawend++ & ( max_samples - 1 );
+				uint dst = rawend++ & ( max_samples - 1 );
 				rawsamples[dst].left = ( data[src] - 128 ) << 8;
 				rawsamples[dst].right = ( data[src] - 128 ) << 8;
 			}
@@ -1312,9 +1302,7 @@ Free raw channel that have been idling for too long.
 */
 static void S_FreeIdleRawChannels( void )
 {
-	int	i;
-
-	for( i = 0; i < snd.max_raw_channels; i++ )
+	for( int i = 0; i < snd.max_raw_channels; i++ )
 	{
 		rawchan_t *ch = snd.raw_channels[i];
 
@@ -1347,9 +1335,7 @@ S_ClearRawChannels
 */
 static void S_ClearRawChannels( void )
 {
-	int	i;
-
-	for( i = 0; i < snd.max_raw_channels; i++ )
+	for( int i = 0; i < snd.max_raw_channels; i++ )
 	{
 		rawchan_t *ch = snd.raw_channels[i];
 
@@ -1467,12 +1453,10 @@ S_StopAllSounds
 */
 void S_StopAllSounds( qboolean ambient )
 {
-	int	i;
-
 	if( !snd.initialized ) return;
 	snd.total_channels = MAX_DYNAMIC_CHANNELS;	// no statics
 
-	for( i = 0; i < snd.max_channels; i++ )
+	for( int i = 0; i < snd.max_channels; i++ )
 	{
 		if( !snd.channels[i].sfx )
 			continue;
@@ -1506,14 +1490,13 @@ update global soundtime
 static int S_GetSoundtime( void )
 {
 	static int buffers, oldsamplepos;
-	int samplepos, fullsamples;
 
-	fullsamples = snd.samples / 2;
+	int fullsamples = snd.samples / 2;
 
 	// it is possible to miscount buffers
 	// if it has wrapped twice between
 	// calls to S_Update.  Oh well.
-	samplepos = snd.samplepos;
+	int samplepos = snd.samplepos;
 
 	if( samplepos < oldsamplepos )
 	{
@@ -1779,13 +1762,12 @@ static void S_Music_f( void )
 	{
 		string	intro, main, track;
 		const char	*ext[] = { "mp3", "wav" };
-		int	i;
 
 		Q_strncpy( track, Cmd_Argv( 1 ), sizeof( track ));
 		Q_snprintf( intro, sizeof( intro ), "%s_intro", Cmd_Argv( 1 ));
 		Q_snprintf( main, sizeof( main ), "%s_main", Cmd_Argv( 1 ));
 
-		for( i = 0; i < 2; i++ )
+		for( int i = 0; i < 2; i++ )
 		{
 			char intro_path[MAX_VA_STRING];
 			char main_path[MAX_VA_STRING];
@@ -1863,8 +1845,8 @@ static void S_SoundFade_f( void )
 	int c = Cmd_Argc();
 	int fade_percent;
 	int hold_time;
-	int fade_out_seconds;
-	int fade_in_seconds;
+	int fade_out_seconds = 0;
+	int fade_in_seconds = 0;
 
 	if( c != 3 && c != 5 )
 	{

engine/client/sound/s_mix.c

@@ -71,6 +71,39 @@ static portable_samplepair_t roombuffer[(PAINTBUFFER_SIZE+1)], paintbuffer[(PAIN
 		} \
 	} \
 
+#define S_MakeMixMonoLerp( x ) \
+	static void S_MixMonoLerp ## x( portable_samplepair_t *pbuf, const int *volume, const void *buf, double offset_frac, double rate_scale, int num_samples ) \
+	{ \
+		const int##x##_t *data = buf; \
+		uint sample_idx = 0; \
+		for( int i = 0; i < num_samples; i++ ) \
+		{ \
+			int s = (int)( data[sample_idx] * ( 1.0 - offset_frac ) + data[sample_idx + 1] * offset_frac ); \
+			pbuf[i].left  += ( s * volume[0] ) >> ( x - 8 ); \
+			pbuf[i].right += ( s * volume[1] ) >> ( x - 8 ); \
+			offset_frac += rate_scale; \
+			sample_idx += (uint)offset_frac; \
+			offset_frac -= (uint)offset_frac; \
+		} \
+	} \
+
+#define S_MakeMixStereoLerp( x ) \
+	static void S_MixStereoLerp ## x( portable_samplepair_t *pbuf, const int *volume, const void *buf, double offset_frac, double rate_scale, int num_samples ) \
+	{ \
+		const int##x##_t *data = buf; \
+		uint sample_idx = 0; \
+		for( int i = 0; i < num_samples; i++ ) \
+		{ \
+			int sl = (int)( data[sample_idx + 0] * ( 1.0 - offset_frac ) + data[sample_idx + 2] * offset_frac ); \
+			int sr = (int)( data[sample_idx + 1] * ( 1.0 - offset_frac ) + data[sample_idx + 3] * offset_frac ); \
+			pbuf[i].left  += ( sl * volume[0] ) >> ( x - 8 ); \
+			pbuf[i].right += ( sr * volume[1] ) >> ( x - 8 ); \
+			offset_frac += rate_scale; \
+			sample_idx += (uint)offset_frac << 1; \
+			offset_frac -= (uint)offset_frac; \
+		} \
+	} \
+
 S_MakeMixMono( 8 )
 S_MakeMixMono( 16 )
 S_MakeMixStereo( 8 )
@@ -79,10 +112,14 @@ S_MakeMixMonoPitch( 8 )
 S_MakeMixMonoPitch( 16 )
 S_MakeMixStereoPitch( 8 )
 S_MakeMixStereoPitch( 16 )
+S_MakeMixMonoLerp( 8 )
+S_MakeMixMonoLerp( 16 )
+S_MakeMixStereoLerp( 8 )
+S_MakeMixStereoLerp( 16 )
 
-static void S_MixAudio( portable_samplepair_t *pbuf, const int *pvol, const void *buf, int channels, int width, double offset_frac, double rate_scale, int num_samples )
+static void S_MixAudio( portable_samplepair_t *pbuf, const int *pvol, const void *buf, int channels, int width, double offset_frac, double rate_scale, int num_samples, qboolean lerp )
 {
-	if( Q_equal( rate_scale, 1.0 ))
+	if( Q_equal( rate_scale, 1.0 ) && Q_equal( offset_frac, 0.0 ))
 	{
 		if( channels == 1 )
 		{
@@ -99,6 +136,23 @@ static void S_MixAudio( portable_samplepair_t *pbuf, const int *pvol, const void
 				S_MixStereo16( pbuf, pvol, buf, num_samples );
 		}
 	}
+	else if( lerp )
+	{
+		if( channels == 1 )
+		{
+			if( width == 1 )
+				S_MixMonoLerp8( pbuf, pvol, buf, offset_frac, rate_scale, num_samples );
+			else
+				S_MixMonoLerp16( pbuf, pvol, buf, offset_frac, rate_scale, num_samples );
+		}
+		else
+		{
+			if( width == 1 )
+				S_MixStereoLerp8( pbuf, pvol, buf, offset_frac, rate_scale, num_samples );
+			else
+				S_MixStereoLerp16( pbuf, pvol, buf, offset_frac, rate_scale, num_samples );
+		}
+	}
 	else
 	{
 		if( channels == 1 )
@@ -163,13 +217,16 @@ static int S_MixChannelToBuffer( portable_samplepair_t *pbuf, channel_t *chan, i
 	if( num_samples == 0 )
 		return 0;
 
+	// linear interpolation needs one sample of lookahead beyond the last read position
+	const int lookahead = s_lerping.value ? 1 : 0;
+
 	while( num_samples > 0 )
 	{
 		// calculate the last sample position
 		double end_sample = chan->sample + rate * num_samples * timecompress_rate;
 
-		// and get total amount of samples we want
-		int	request_num_samples = (int)(ceil( end_sample ) - floor( chan->sample ));
+		// and get total amount of samples we want, including lookahead for interpolation
+		int request_num_samples = (int)(ceil( end_sample ) - floor( chan->sample )) + lookahead;
 
 		// get sample pointer and also amount of samples available
 		const void *audio = NULL;
@@ -181,13 +238,30 @@ static int S_MixChannelToBuffer( portable_samplepair_t *pbuf, channel_t *chan, i
 
 		double sample_frac = chan->sample - floor( chan->sample );
 
+		// can interpolate only when at least two source samples are available
+		qboolean lerp = lookahead && available >= 2;
+
 		// this is how much data we output
 		int out_count = num_samples;
-		if( request_num_samples > available ) // but we can't write more than we have
-			out_count = (int)ceil(( available - sample_frac ) / ( rate ));
+		if( request_num_samples > available )
+		{
+			// lerp needs sample_idx + 1 to stay within available, so cap by available - 1
+			if( lerp )
+				out_count = (int)floor(( available - 1 - sample_frac ) / rate );
+			else
+				out_count = (int)ceil(( available - sample_frac ) / rate );
+		}
+
+		// near a buffer boundary (e.g. just before a loop wrap) lerp may yield zero;
+		// fall back to nearest for one sample to keep chan->sample advancing
+		if( out_count <= 0 )
+		{
+			lerp = false;
+			out_count = 1;
+		}
 
 		const wavdata_t *wav = chan->sfx->cache;
-		S_MixAudio( pbuf + offset, pvol, audio, wav->channels, wav->width, sample_frac, rate, out_count );
+		S_MixAudio( pbuf + offset, pvol, audio, wav->channels, wav->width, sample_frac, rate, out_count, lerp );
 
 		chan->sample += out_count * rate * timecompress_rate;
 		offset += out_count;
@@ -231,11 +305,12 @@ static int VOX_MixChannelToBuffer( portable_samplepair_t *pbuf, channel_t *chan,
 	return offset;
 }
 
-static int S_MixNormalChannels( portable_samplepair_t *dst, int end, int rate )
+static int S_MixNormalChannelsToRoombuffer( portable_samplepair_t *dst, int end )
 {
 	const qboolean sp = Host_IsSinglePlayerGame();
 	const qboolean ingame = CL_IsInGame();
-	const int num_samples = ( end - snd.paintedtime ) / ( SOUND_DMA_SPEED / rate );
+	const int out_rate = snd.format.speed;
+	const int num_samples = end - snd.paintedtime;
 
 	// FWGS feature: make everybody sound like chipmunks when we're going fast
 	const float pitch_mult = ( sys_timescale.value + 1 ) / 2;
@@ -284,7 +359,7 @@ static int S_MixNormalChannels( portable_samplepair_t *dst, int end, int rate )
 		// if the sound is unaudible, skip it
 		// if it's also not looping, free it
 		if( ch->leftvol < 8 && ch->rightvol < 8 )
-		{	
+		{
 			if( !FBitSet( sc->flags, SOUND_LOOPED ) || !FBitSet( ch->flags, FL_CHAN_USE_LOOP ))
 			{
 				if( ch->inauduble_free_time == 0.0f )
@@ -298,19 +373,18 @@ static int S_MixNormalChannels( portable_samplepair_t *dst, int end, int rate )
 
 		ch->inauduble_free_time = 0.0f;
 
-		if( rate != sc->rate )
-			continue;
-
 		if( ch->entchannel == CHAN_VOICE || ch->entchannel == CHAN_STREAM )
 		{
 			cl_entity_t *ent = CL_GetEntityByIndex( ch->entnum );
 
 			if( ent != NULL )
 			{
+				int mouth_count = (int)( num_samples * (double)sc->rate / out_rate );
+
 				if( sc->width == 1 )
-					SND_MoveMouth8( &ent->mouth, ch->sample, sc, num_samples, FBitSet( ch->flags, FL_CHAN_USE_LOOP ));
+					SND_MoveMouth8( &ent->mouth, ch->sample, sc, mouth_count, FBitSet( ch->flags, FL_CHAN_USE_LOOP ));
 				else
-					SND_MoveMouth16( &ent->mouth, ch->sample, sc, num_samples, FBitSet( ch->flags, FL_CHAN_USE_LOOP ));
+					SND_MoveMouth16( &ent->mouth, ch->sample, sc, mouth_count, FBitSet( ch->flags, FL_CHAN_USE_LOOP ));
 			}
 		}
 
@@ -320,14 +394,14 @@ static int S_MixNormalChannels( portable_samplepair_t *dst, int end, int rate )
 
 		if( ch->words )
 		{
-			VOX_MixChannelToBuffer( dst, ch, num_samples, rate, pitch );
+			VOX_MixChannelToBuffer( dst, ch, num_samples, out_rate, pitch );
 
 			if( FBitSet( ch->flags, FL_CHAN_SENTENCE_FINISHED ))
 				S_FreeChannel( ch );
 		}
 		else
 		{
-			S_MixChannelToBuffer( dst, ch, num_samples, rate, pitch, 0, 0 );
+			S_MixChannelToBuffer( dst, ch, num_samples, out_rate, pitch, 0, 0 );
 
 			if( FBitSet( ch->flags, FL_CHAN_FINISHED ))
 				S_FreeChannel( ch );
@@ -337,63 +411,6 @@ static int S_MixNormalChannels( portable_samplepair_t *dst, int end, int rate )
 	return num_mixed_channels;
 }
 
-static int S_AverageSample( int a, int b )
-{
-	return ( a >> 1 ) + ( b >> 1 ) + ((( a & 1 ) + ( b & 1 )) >> 1 );
-}
-
-static void S_UpsampleBuffer( portable_samplepair_t *dst, size_t num_samples )
-{
-	if( s_lerping.value )
-	{
-		// copy even positions and average odd
-		for( size_t i = num_samples - 1; i > 0; i-- )
-		{
-			dst[i * 2] = dst[i];
-
-			dst[i * 2 + 1].left = S_AverageSample( dst[i].left, dst[i - 1].left );
-			dst[i * 2 + 1].right = S_AverageSample( dst[i].right, dst[i - 1].right );
-		}
-	}
-	else
-	{
-		// copy into even and odd positions
-		for( size_t i = num_samples - 1; i > 0; i-- )
-		{
-			dst[i * 2] = dst[i];
-			dst[i * 2 + 1] = dst[i];
-		}
-	}
-
-	dst[1] = dst[0];
-}
-
-static int S_MixNormalChannelsToRoombuffer( int end, int count )
-{
-	// for room buffer we only support CD rates like 11k, 22k, and 44k
-	// TODO: 48k output would require support from platform-specific backends first
-	// until there is no real usecase, let's keep it simple
-	int num_mixed_channels = S_MixNormalChannels( roombuffer, end, SOUND_11k );
-
-	if( snd.format.speed >= SOUND_22k )
-	{
-		if( num_mixed_channels > 0 )
-			S_UpsampleBuffer( roombuffer, count / ( SOUND_22k / SOUND_11k ));
-
-		num_mixed_channels += S_MixNormalChannels( roombuffer, end, SOUND_22k );
-	}
-
-	if( snd.format.speed >= SOUND_44k )
-	{
-		if( num_mixed_channels > 0 )
-			S_UpsampleBuffer( roombuffer, count / ( SOUND_44k / SOUND_22k ));
-
-		num_mixed_channels += S_MixNormalChannels( roombuffer, end, SOUND_44k );
-	}
-
-	return num_mixed_channels;
-}
-
 static int S_MixRawChannels( int end )
 {
 	int num_room_channels = 0;
@@ -537,7 +554,7 @@ void S_PaintChannels( int endtime )
 
 		S_ClearBuffers( num_samples );
 
-		int room_channels = S_MixNormalChannelsToRoombuffer( end, num_samples );
+		int room_channels = S_MixNormalChannelsToRoombuffer( roombuffer, end );
 
 		room_channels += S_MixRawChannels( end );
 

engine/client/sound/s_mouth.c

@@ -36,20 +36,17 @@ static void SND_CommitMouthValue( mouth_t *mouth, int savg, int scount )
 void SND_MoveMouth8( mouth_t *mouth, int pos, const wavdata_t *sc, int count, qboolean use_loop )
 {
 	const int8_t *pdata = NULL;
-	int		scount;
-	int		savg, data;
-	uint 		i;
 
 	count = S_RetrieveAudioSamples( sc, (const void **)&pdata, pos, count, use_loop );
 	if( pdata == NULL ) return;
 
-	i = 0;
-	scount = mouth->sndcount;
-	savg = 0;
+	uint i = 0;
+	int scount = mouth->sndcount;
+	int savg = 0;
 
 	while( i < count && scount < CAVGSAMPLES )
 	{
-		data = pdata[i];
+		int data = pdata[i];
 		savg += abs( data );
 
 		i += 80 + ((byte)data & 0x1F);
@@ -62,20 +59,17 @@ void SND_MoveMouth8( mouth_t *mouth, int pos, const wavdata_t *sc, int count, qb
 void SND_MoveMouth16( mouth_t *mouth, int pos, const wavdata_t *sc, int count, qboolean use_loop )
 {
 	const int16_t *pdata = NULL;
-	int		savg, data;
-	int		scount;
-	uint 		i;
 
 	count = S_RetrieveAudioSamples( sc, (const void **)&pdata, pos, count, use_loop );
 	if( pdata == NULL ) return;
 
-	i = 0;
-	scount = mouth->sndcount;
-	savg = 0;
+	uint i = 0;
+	int scount = mouth->sndcount;
+	int savg = 0;
 
 	while( i < count && scount < CAVGSAMPLES )
 	{
-		data = pdata[i];
+		int data = pdata[i];
 		data = (bound( -32767, data, 0x7ffe ) >> 8);
 		savg += abs( data );
 
@@ -88,9 +82,7 @@ void SND_MoveMouth16( mouth_t *mouth, int pos, const wavdata_t *sc, int count, q
 
 void SND_ForceInitMouth( int entnum )
 {
-	cl_entity_t *clientEntity;
-
-	clientEntity = CL_GetEntityByIndex( entnum );
+	cl_entity_t *clientEntity = CL_GetEntityByIndex( entnum );
 
 	if( clientEntity )
 	{
@@ -102,9 +94,7 @@ void SND_ForceInitMouth( int entnum )
 
 void SND_ForceCloseMouth( int entnum )
 {
-	cl_entity_t *clientEntity;
-
-	clientEntity = CL_GetEntityByIndex( entnum );
+	cl_entity_t *clientEntity = CL_GetEntityByIndex( entnum );
 
 	if( clientEntity )
 		clientEntity->mouth.mouthopen = 0;
@@ -112,17 +102,13 @@ void SND_ForceCloseMouth( int entnum )
 
 void SND_MoveMouthRaw( mouth_t *mouth, const portable_samplepair_t *buf, int count )
 {
-	int		savg, data;
-	int		scount = 0;
-	uint 		i;
-
-	i = 0;
-	scount = mouth->sndcount;
-	savg = 0;
+	uint i = 0;
+	int scount = mouth->sndcount;
+	int savg = 0;
 
 	while ( i < count && scount < CAVGSAMPLES )
 	{
-		data = buf[i].left; // mono sound anyway
+		int data = buf[i].left; // mono sound anyway
 		data = ( bound( -32767, data, 0x7ffe ) >> 8 );
 		savg += abs( data );
 

engine/client/sound/s_stream.c

@@ -66,14 +66,14 @@ S_GetMusicVolume
 */
 float S_GetMusicVolume( void )
 {
-	float	scale = 1.0f;
-
 	if( host.status == HOST_NOFOCUS && snd_mute_losefocus.value != 0.0f )
 	{
 		// we return zero volume to keep sounds running
 		return 0.0f;
 	}
 
+	float scale = 1.0f;
+
 	if( cls.key_dest != key_menu && musicfade.percent != 0 )
 	{
 		scale = bound( 0.0f, musicfade.percent / 100.0f, 1.0f );
@@ -191,11 +191,7 @@ S_StreamBackgroundTrack
 */
 void S_StreamBackgroundTrack( void )
 {
-	int	bufferSamples;
-	int	fileSamples;
 	byte	raw[MAX_RAW_SAMPLES];
-	int	r, fileBytes;
-	rawchan_t	*ch = NULL;
 
 	if( !snd.initialized || !s_bgTrack.stream || snd.streaming )
 		return;
@@ -213,7 +209,7 @@ void S_StreamBackgroundTrack( void )
 	else if( cls.key_dest == key_console )
 		return;
 
-	ch = S_FindRawChannel( S_RAW_SOUND_BACKGROUNDTRACK, true );
+	rawchan_t *ch = S_FindRawChannel( S_RAW_SOUND_BACKGROUNDTRACK, true );
 
 	Assert( ch != NULL );
 
@@ -225,14 +221,14 @@ void S_StreamBackgroundTrack( void )
 	{
 		const stream_t *info = s_bgTrack.stream;
 
-		bufferSamples = ch->max_samples - (ch->s_rawend - snd.soundtime);
+		int bufferSamples = ch->max_samples - (ch->s_rawend - snd.soundtime);
 
 		// decide how much data needs to be read from the file
-		fileSamples = bufferSamples * ((float)info->rate / SOUND_DMA_SPEED );
+		int fileSamples = bufferSamples * ((float)info->rate / SOUND_DMA_SPEED );
 		if( fileSamples <= 1 ) return; // no more samples need
 
 		// our max buffer size
-		fileBytes = fileSamples * ( info->width * info->channels );
+		int fileBytes = fileSamples * ( info->width * info->channels );
 
 		if( fileBytes > sizeof( raw ))
 		{
@@ -241,7 +237,7 @@ void S_StreamBackgroundTrack( void )
 		}
 
 		// read
-		r = FS_ReadStream( s_bgTrack.stream, fileBytes, raw );
+		int r = FS_ReadStream( s_bgTrack.stream, fileBytes, raw );
 
 		if( r < fileBytes )
 		{

engine/client/sound/s_vox.c

@@ -52,7 +52,7 @@ static qboolean S_ShouldTrimSample16( const int16_t *buf, int channels )
 
 static int S_TrimStart( const wavdata_t *wav, int start )
 {
-	size_t channels = wav->channels, width = wav->width, i;
+	size_t channels = wav->channels, width = wav->width;
 
 	if( wav->type != WF_PCMDATA )
 		return start;
@@ -61,7 +61,7 @@ static int S_TrimStart( const wavdata_t *wav, int start )
 	{
 		const int8_t *data = (const int8_t *)&wav->buffer[channels * width * start];
 
-		for( i = 0; i < TRIM_SCAN_MAX && start < wav->samples; i++ )
+		for( size_t i = 0; i < TRIM_SCAN_MAX && start < wav->samples; i++ )
 		{
 			if( !S_ShouldTrimSample8( data, wav->channels ))
 				break;
@@ -74,7 +74,7 @@ static int S_TrimStart( const wavdata_t *wav, int start )
 	{
 		const int16_t *data = (const int16_t *)&wav->buffer[channels * width * start];
 
-		for( i = 0; i < TRIM_SCAN_MAX && start < wav->samples; i++ )
+		for( size_t i = 0; i < TRIM_SCAN_MAX && start < wav->samples; i++ )
 		{
 			if( !S_ShouldTrimSample16( data, wav->channels ))
 				break;
@@ -89,7 +89,7 @@ static int S_TrimStart( const wavdata_t *wav, int start )
 
 static int S_TrimEnd( const wavdata_t *wav, int end )
 {
-	size_t channels = wav->channels, width = wav->width, i;
+	size_t channels = wav->channels, width = wav->width;
 
 	if( wav->type != WF_PCMDATA )
 		return end;
@@ -98,7 +98,7 @@ static int S_TrimEnd( const wavdata_t *wav, int end )
 	{
 		const int8_t *data = (const int8_t *)&wav->buffer[channels * width * ( end - 1 )];
 
-		for( i = 0; i < TRIM_SCAN_MAX && end > 0; i++ )
+		for( size_t i = 0; i < TRIM_SCAN_MAX && end > 0; i++ )
 		{
 			if( !S_ShouldTrimSample8( data, wav->channels ))
 				break;
@@ -111,7 +111,7 @@ static int S_TrimEnd( const wavdata_t *wav, int end )
 	{
 		const int16_t *data = (const int16_t *)&wav->buffer[channels * width * ( end - 1 )];
 
-		for( i = 0; i < TRIM_SCAN_MAX && end > 0; i++ )
+		for( size_t i = 0; i < TRIM_SCAN_MAX && end > 0; i++ )
 		{
 			if( !S_ShouldTrimSample16( data, wav->channels ))
 				break;
@@ -222,9 +222,6 @@ float VOX_ModifyPitch( channel_t *ch, float pitch )
 
 static const char *VOX_GetDirectory( char *szpath, const char *psz, int nsize )
 {
-	const char *p;
-	int len;
-
 	// HACKHACK: some modders send strings like "/fvox/_period four"
 	// which should get parsed as "_period four" said by fvox
 	// it might be incorrect but ignore first slash here for now
@@ -232,7 +229,7 @@ static const char *VOX_GetDirectory( char *szpath, const char *psz, int nsize )
 		psz++;
 
 	// search / backwards
-	p = Q_strrchr( psz, '/' );
+	const char *p = Q_strrchr( psz, '/' );
 
 	if( !p )
 	{
@@ -240,7 +237,7 @@ static const char *VOX_GetDirectory( char *szpath, const char *psz, int nsize )
 		return psz;
 	}
 
-	len = p - psz + 1;
+	int len = p - psz + 1;
 
 	if( len > nsize )
 	{
@@ -256,8 +253,7 @@ static const char *VOX_GetDirectory( char *szpath, const char *psz, int nsize )
 
 static const char *VOX_LookupString( const char *pszin )
 {
-	int i = -1, len;
-	const char *c;
+	int i = -1;
 
 	// check if we are an immediate sentence
 	if( *pszin == '#' )
@@ -289,9 +285,9 @@ static const char *VOX_LookupString( const char *pszin )
 	if( i == cszrawsentences )
 		return NULL;
 
-	len = Q_strlen( rgpszrawsentence[i] );
+	int len = Q_strlen( rgpszrawsentence[i] );
 
-	c = &rgpszrawsentence[i][len + 1];
+	const char *c = &rgpszrawsentence[i][len + 1];
 	for( ; *c == ' ' || *c == '\t'; c++ );
 
 	return c;
@@ -362,12 +358,11 @@ static void VOX_MakeDefaultWordParams( voxword_t *voxword )
 
 static qboolean VOX_ParseWordParams( char *psz, voxword_t *pvoxword, voxword_t *default_voxword )
 {
-	int len, i;
 	char sznum[8], *pszsave = psz;
 
 	*pvoxword = *default_voxword;
 
-	len = Q_strlen( psz );
+	int len = Q_strlen( psz );
 
 	if( len == 0 )
 		return false;
@@ -388,6 +383,7 @@ static qboolean VOX_ParseWordParams( char *psz, voxword_t *pvoxword, voxword_t *
 	for( ;; )
 	{
 		char command;
+		int i;
 
 		// find command
 		for( ; *psz &&
@@ -446,7 +442,7 @@ void VOX_LoadSound( channel_t *ch, const char *pszin )
 	char buffer[512] = { 0 }, szpath[32] = { 0 };
 	char *rgpparseword[CVOXWORDMAX] = { 0 };
 	const char *psz;
-	int i, j;
+	int j;
 	int num_words;
 	voxword_t default_voxword;
 	voxword_t words_buf[CVOXWORDMAX + 1]; // local scratch: parsed words + null terminator
@@ -490,7 +486,8 @@ void VOX_LoadSound( channel_t *ch, const char *pszin )
 	VOX_MakeDefaultWordParams( &default_voxword );
 	memset( words_buf, 0, sizeof( words_buf ));
 
-	for( i = 0, j = 0; i < num_words; i++ )
+	j = 0;
+	for( int i = 0; i < num_words; i++ )
 	{
 		char pathbuffer[MAX_SYSPATH];
 
@@ -589,9 +586,7 @@ void VOX_Init( void )
 
 void VOX_Shutdown( void )
 {
-	int i;
-
-	for( i = 0; i < cszrawsentences; i++ )
+	for( int i = 0; i < cszrawsentences; i++ )
 		Mem_Free( rgpszrawsentence[i] );
 
 	cszrawsentences = 0;
@@ -609,9 +604,8 @@ static void Test_VOX_GetDirectory( void )
 		"barney/meow", "meow", "barney/",
 		"/fvox/_period", "_period", "fvox/",
 	};
-	int i;
 
-	for( i = 0; i < sizeof( data ) / sizeof( data[0] ); i += 3 )
+	for( int i = 0; i < sizeof( data ) / sizeof( data[0] ); i += 3 )
 	{
 		string szpath;
 		const char *p = VOX_GetDirectory( szpath, data[i+0], sizeof( szpath ));
@@ -623,7 +617,6 @@ static void Test_VOX_GetDirectory( void )
 
 static void Test_VOX_LookupString( void )
 {
-	int i;
 	const char *p, *data[] =
 	{
 		"0", "123",
@@ -645,7 +638,7 @@ static void Test_VOX_LookupString( void )
 	rgpszrawsentence[cszrawsentences++] = (char*)"SentenceWithSpaces\0  SPAAACE";
 	rgpszrawsentence[cszrawsentences++] = (char*)"SentenceWithTabsAndSpaces\0\t \t\t MEOW";
 
-	for( i = 0; i < sizeof( data ) / sizeof( data[0] ); i += 2 )
+	for( int i = 0; i < sizeof( data ) / sizeof( data[0] ); i += 2 )
 	{
 		p = VOX_LookupString( data[i] );
 

engine/client/sound/voice.c

@@ -381,18 +381,17 @@ Apply automatic gain control to voice samples
 */
 static void Voice_ApplyGainAdjust( int16_t *samples, int count, float scale )
 {
-	float gain, modifiedMax;
-	int   average, blockOffset = 0;
+	int   blockOffset = 0;
 
 	for( ;; )
 	{
-		int i, localMax = 0, localSum = 0;
+		int localMax = 0, localSum = 0;
 		int blockSize = Q_min( count - blockOffset, voice.autogain.block_size );
 
 		if( blockSize < 1 )
 			break;
 
-		for( i = 0; i < blockSize; ++i )
+		for( int i = 0; i < blockSize; ++i )
 		{
 			int sample = samples[blockOffset + i];
 			int absSample = abs( sample );
@@ -401,14 +400,14 @@ static void Voice_ApplyGainAdjust( int16_t *samples, int count, float scale )
 				localMax = absSample;
 
 			localSum += absSample;
-			gain = voice.autogain.current_gain + i * voice.autogain.gain_multiplier;
+			float gain = voice.autogain.current_gain + i * voice.autogain.gain_multiplier;
 			samples[blockOffset + i] = bound( SHRT_MIN, (int)( sample * gain ), SHRT_MAX );
 		}
 
 		if( blockOffset % voice.autogain.block_size == 0 )
 		{
-			average = localSum / blockSize;
-			modifiedMax = average + ( localMax - average ) * voice_avggain.value;
+			int average = localSum / blockSize;
+			float modifiedMax = average + ( localMax - average ) * voice_avggain.value;
 
 			voice.autogain.current_gain = voice.autogain.next_gain * scale;
 			voice.autogain.next_gain = Q_min((float)SHRT_MAX / ( modifiedMax > 1 ? modifiedMax : 1 ), voice_maxgain.value ) * scale;
@@ -435,13 +434,11 @@ static uint Voice_GetOpusCompressedData( byte *out, uint maxsize, uint *frames )
 
 	if( voice.input_file )
 	{
-		uint   numbytes;
-		double updateInterval, curtime = Platform_DoubleTime();
-
-		updateInterval = curtime - voice.start_time;
+		double curtime = Platform_DoubleTime();
+		double updateInterval = curtime - voice.start_time;
 		voice.start_time = curtime;
 
-		numbytes = updateInterval * voice.samplerate * voice.width * VOICE_PCM_CHANNELS;
+		uint numbytes = updateInterval * voice.samplerate * voice.width * VOICE_PCM_CHANNELS;
 		numbytes = Q_min( numbytes, voice.input_file->size - voice.input_file_pos );
 		numbytes = Q_min( numbytes, sizeof( voice.input_buffer ) - voice.input_buffer_pos );
 
@@ -510,13 +507,11 @@ static uint Voice_GetGSCompressedData( byte *out, uint maxsize, uint *frames )
 
 	if( voice.input_file )
 	{
-		uint   numbytes;
-		double updateInterval, curtime = Platform_DoubleTime();
-
-		updateInterval = curtime - voice.start_time;
+		double curtime = Platform_DoubleTime();
+		double updateInterval = curtime - voice.start_time;
 		voice.start_time = curtime;
 
-		numbytes = updateInterval * voice.samplerate * voice.width * VOICE_PCM_CHANNELS;
+		uint numbytes = updateInterval * voice.samplerate * voice.width * VOICE_PCM_CHANNELS;
 		numbytes = Q_min( numbytes, voice.input_file->size - voice.input_file_pos );
 		numbytes = Q_min( numbytes, sizeof( voice.input_buffer ) - voice.input_buffer_pos );
 
@@ -597,24 +592,15 @@ Process GoldSrc voice data and return number of samples
 */
 static int Voice_ProcessGSData( int ent, const uint8_t *data, uint32_t size )
 {
-	uint32_t    crc_in_packet;
-	uint32_t    crc;
-	size_t      offset;
 	size_t      samples;
-	uint16_t    sample_rate;
 	uint8_t     vpc_type;
 	uint16_t    data_len;
-	OpusDecoder *decoder;
-	size_t      opus_offset;
-	int decoded;
-	size_t      silence_samples;
-	uint16_t    frame_size;
 
 	if( !data || ent <= 0 || ent > cl.maxclients )
 		return 0;
 
-	crc_in_packet = LittleLong( *(uint32_t *)( data + size - sizeof( uint32_t )));
-	crc = CRC32_INIT_VALUE;
+	uint32_t crc_in_packet = LittleLong( *(uint32_t *)( data + size - sizeof( uint32_t )));
+	uint32_t crc = CRC32_INIT_VALUE;
 	CRC32_ProcessBuffer( &crc, data, size - sizeof( uint32_t ));
 	crc = CRC32_Final( crc );
 
@@ -624,7 +610,7 @@ static int Voice_ProcessGSData( int ent, const uint8_t *data, uint32_t size )
 		return 0;
 	}
 
-	offset = sizeof( uint64_t );
+	size_t offset = sizeof( uint64_t );
 	samples = 0;
 
 	if( offset >= size - sizeof( uint32_t ) || data[offset] != GS_VPC_SETSAMPLERATE )
@@ -637,7 +623,6 @@ static int Voice_ProcessGSData( int ent, const uint8_t *data, uint32_t size )
 	if( offset + sizeof( uint32_t ) > size - sizeof( uint32_t ))
 		return 0;
 
-	sample_rate = LittleShort( *(uint16_t *)( data + offset ));
 	offset += sizeof( uint16_t );
 
 	vpc_type = data[offset++];
@@ -646,7 +631,9 @@ static int Voice_ProcessGSData( int ent, const uint8_t *data, uint32_t size )
 
 	if( vpc_type == GS_VPC_VDATA_OPUS_PLC )
 	{
-		decoder = voice.gs_decoders[ent - 1];
+		OpusDecoder *decoder = voice.gs_decoders[ent - 1];
+		size_t opus_offset;
+
 		if( !decoder )
 		{
 			Con_Printf( S_WARN "No decoder available for entity %d\n", ent );
@@ -655,7 +642,7 @@ static int Voice_ProcessGSData( int ent, const uint8_t *data, uint32_t size )
 		opus_offset = 0;
 		while( opus_offset + sizeof( uint32_t ) <= data_len )
 		{
-			frame_size = LittleShort( *(uint16_t *)( data + offset + opus_offset ));
+			uint16_t frame_size = LittleShort( *(uint16_t *)( data + offset + opus_offset ));
 			opus_offset += sizeof( uint32_t );
 			// if frame size is 0, it means silence
 			if( frame_size == 0 )
@@ -679,7 +666,7 @@ static int Voice_ProcessGSData( int ent, const uint8_t *data, uint32_t size )
 				Con_Printf( S_WARN "Opus frame size exceeds data length\n" );
 				return 0;
 			}
-			decoded = opus_decode( decoder, data + offset + opus_offset, frame_size,
+			int decoded = opus_decode( decoder, data + offset + opus_offset, frame_size,
 					       ( (int16_t *)voice.decompress_buffer ) + samples, voice.frame_size, 0 );
 			if( decoded < 0 )
 			{
@@ -692,7 +679,7 @@ static int Voice_ProcessGSData( int ent, const uint8_t *data, uint32_t size )
 	}
 	else if( vpc_type == GS_VPC_VDATA_SILENCE )
 	{
-		silence_samples = data_len / 2;
+		size_t silence_samples = data_len / 2;
 		if( silence_samples > GS_MAX_DECOMPRESSED_SAMPLES )
 		{
 			Con_Printf( S_WARN "Silence data too large\n" );
@@ -908,8 +895,6 @@ stop recording and notify user dlls
 */
 void Voice_Disconnect( void )
 {
-	int i;
-
 	Voice_RecordStop();
 
 	if( voice.local.talking_ack )
@@ -918,7 +903,7 @@ void Voice_Disconnect( void )
 		voice.local.talking_ack = false;
 	}
 
-	for( i = 1; i <= MAX_CLIENTS; i++ )
+	for( int i = 1; i <= MAX_CLIENTS; i++ )
 		Voice_Status( i, false );
 
 	VoiceCapture_Shutdown();
@@ -987,7 +972,6 @@ void Voice_AddIncomingData( int ent, const byte *data, uint size, uint frames )
 	const int playernum = ent - 1;
 	int samples = 0;
 	int ofs = 0;
-	voice_status_t *status = NULL;
 
 	if( !voice.initialized || !voice_enable.value )
 		return;
@@ -1041,7 +1025,7 @@ Encode our voice data and send it to server
 void CL_AddVoiceToDatagram( void )
 {
 	byte buffer[VOICE_MAX_DATA_SIZE];
-	uint size, frames;
+	uint size, frames = 0;
 
 	if( cls.state != ca_active || !voice.device_opened || !Voice_IsRecording())
 		return;
@@ -1131,8 +1115,6 @@ Run timeout for clients
 */
 void Voice_Idle( double frametime )
 {
-	int i;
-
 	if( FBitSet( voice_enable.flags, FCVAR_CHANGED ))
 	{
 		ClearBits( voice_enable.flags, FCVAR_CHANGED );
@@ -1203,10 +1185,12 @@ qboolean Voice_Init( const char *pszCodecName, int quality, qboolean preinit )
 
 voice_audio_info_t Voice_GetAudioInfo( void )
 {
-	voice_audio_info_t info;
+	voice_audio_info_t info =
+	{
+		.width = voice.width,
+		.samplerate = voice.samplerate,
+		.frame_size = voice.frame_size,
+	};
 
-	info.width = voice.width;
-	info.samplerate = voice.samplerate;
-	info.frame_size = voice.frame_size;
 	return info;
 }

engine/client/soundlib/snd_main.c

@@ -59,7 +59,6 @@ wavdata_t *FS_LoadSound( const char *filename, const byte *buffer, size_t size )
 	const char *ext = COM_FileExtension( filename );
 	string loadname;
 	qboolean anyformat = true;
-	const loadwavfmt_t *format;
 
 	Sound_Reset(); // clear old sounddata
 	Q_strncpy( loadname, filename, sizeof( loadname ));
@@ -68,7 +67,7 @@ wavdata_t *FS_LoadSound( const char *filename, const byte *buffer, size_t size )
 	{
 		// we needs to compare file extension with list of supported formats
 		// and be sure what is real extension, not a filename with dot
-		for( format = sound.loadformats; format && format->ext; format++ )
+		for( const loadwavfmt_t *format = sound.loadformats; format && format->ext; format++ )
 		{
 			if( !Q_stricmp( format->ext, ext ))
 			{
@@ -84,18 +83,17 @@ wavdata_t *FS_LoadSound( const char *filename, const byte *buffer, size_t size )
 		goto load_internal;
 
 	// now try all the formats in the selected list
-	for( format = sound.loadformats; format && format->ext; format++)
+	for( const loadwavfmt_t *format = sound.loadformats; format && format->ext; format++)
 	{
 		if( anyformat || !Q_stricmp( ext, format->ext ))
 		{
 			qboolean success = false;
 			fs_offset_t filesize = 0;
-			byte *f;
 			string path;
 
 			Q_snprintf( path, sizeof( path ), DEFAULT_SOUNDPATH "%s.%s", loadname, format->ext );
 
-			f = FS_LoadFile( path, &filesize, false );
+			byte *f = FS_LoadFile( path, &filesize, false );
 			if( f && filesize > 0 )
 			{
 				success = format->loadfunc( path, f, filesize );
@@ -119,7 +117,7 @@ wavdata_t *FS_LoadSound( const char *filename, const byte *buffer, size_t size )
 	}
 
 load_internal:
-	for( format = sound.loadformats; format && format->ext; format++ )
+	for( const loadwavfmt_t *format = sound.loadformats; format && format->ext; format++ )
 	{
 		if( anyformat || !Q_stricmp( ext, format->ext ))
 		{
@@ -162,7 +160,6 @@ stream_t *FS_OpenStream( const char *filename )
 	const char	*ext = COM_FileExtension( filename );
 	string		loadname;
 	qboolean		anyformat = true;
-	const streamfmt_t	*format;
 	stream_t		*stream = NULL;
 
 	Sound_Reset(); // clear old streaminfo
@@ -172,7 +169,7 @@ stream_t *FS_OpenStream( const char *filename )
 	{
 		// we needs to compare file extension with list of supported formats
 		// and be sure what is real extension, not a filename with dot
-		for( format = sound.streamformat; format && format->ext; format++ )
+		for( const streamfmt_t *format = sound.streamformat; format && format->ext; format++ )
 		{
 			if( !Q_stricmp( format->ext, ext ))
 			{
@@ -184,7 +181,7 @@ stream_t *FS_OpenStream( const char *filename )
 	}
 
 	// now try all the formats in the selected list
-	for( format = sound.streamformat; format && format->ext; format++)
+	for( const streamfmt_t *format = sound.streamformat; format && format->ext; format++)
 	{
 		if( anyformat || !Q_stricmp( ext, format->ext ))
 		{

engine/client/soundlib/snd_mp3.c

@@ -362,9 +362,7 @@ int Stream_ReadMPG( stream_t *stream, int needBytes, void *buffer )
 {
 	// buffer handling
 	int	bytesWritten = 0;
-	void	*mpg;
-
-	mpg = stream->ptr;
+	void	*mpg = stream->ptr;
 
 	while( 1 )
 	{

engine/client/soundlib/snd_ogg_opus.c

@@ -258,13 +258,12 @@ int Stream_ReadOggOpus( stream_t *stream, int needBytes, void *buffer )
 
 	while( 1 )
 	{
-		int  ret;
 		byte *data;
 		int  outsize;
 
 		if( !stream->buffsize )
 		{
-			ret = op_read( ctx->of, (opus_int16 *)stream->temp, OUTBUF_SIZE / stream->width, NULL );
+			int ret = op_read( ctx->of, (opus_int16 *)stream->temp, OUTBUF_SIZE / stream->width, NULL );
 			if( ret == 0 )
 				break; // end of file
 			else if( ret < 0 )
@@ -298,9 +297,9 @@ int Stream_ReadOggOpus( stream_t *stream, int needBytes, void *buffer )
 
 int Stream_SetPosOggOpus( stream_t *stream, int newpos )
 {
-	int ret;
 	opus_streaming_ctx_t *ctx = (opus_streaming_ctx_t *)stream->ptr;
-	if(( ret = op_raw_seek( ctx->of, newpos )) == 0 )
+	int ret = op_raw_seek( ctx->of, newpos );
+	if( ret == 0 )
 	{
 		stream->buffsize = 0; // flush any previous data
 		return true;

engine/client/soundlib/snd_ogg_vorbis.c

@@ -268,9 +268,9 @@ int Stream_ReadOggVorbis( stream_t *stream, int needBytes, void *buffer )
 
 int Stream_SetPosOggVorbis( stream_t *stream, int newpos )
 {
-	int ret;
 	vorbis_streaming_ctx_t *ctx = (vorbis_streaming_ctx_t *)stream->ptr;
-	if(( ret = ov_raw_seek_lap( &ctx->vf, newpos )) == 0 )
+	int ret = ov_raw_seek_lap( &ctx->vf, newpos );
+	if( ret == 0 )
 	{
 		stream->buffsize = 0; // flush any previous data
 		return true;

engine/client/soundlib/snd_wav.c

@@ -176,7 +176,6 @@ Sound_LoadWAV
 */
 qboolean Sound_LoadWAV( const char *name, const byte *buffer, fs_offset_t filesize )
 {
-	int	samples, fmt;
 	qboolean	mpeg_stream = false;
 
 	if( !buffer || filesize <= 0 )
@@ -205,7 +204,7 @@ qboolean Sound_LoadWAV( const char *name, const byte *buffer, fs_offset_t filesi
 	}
 
 	iff_dataPtr += 8;
-	fmt = GetLittleShort();
+	int fmt = GetLittleShort();
 
 	if( fmt != 1 )
 	{
@@ -276,7 +275,7 @@ qboolean Sound_LoadWAV( const char *name, const byte *buffer, fs_offset_t filesi
 	}
 
 	iff_dataPtr += 4;
-	samples = GetLittleLong() / sound.width;
+	int samples = GetLittleLong() / sound.width;
 
 	if( sound.samples )
 	{
@@ -331,12 +330,11 @@ qboolean Sound_LoadWAV( const char *name, const byte *buffer, fs_offset_t filesi
 	// now convert 8-bit sounds to signed
 	if( sound.width == 1 )
 	{
-		int	i, j;
 		signed char	*pData = (signed char *)sound.wav;
 
-		for( i = 0; i < sound.samples; i++ )
+		for( int i = 0; i < sound.samples; i++ )
 		{
-			for( j = 0; j < sound.channels; j++ )
+			for( int j = 0; j < sound.channels; j++ )
 			{
 				*pData = (byte)((int)((byte)*pData) - 128 );
 				pData++;
@@ -344,6 +342,31 @@ qboolean Sound_LoadWAV( const char *name, const byte *buffer, fs_offset_t filesi
 		}
 	}
 
+	// silence known-broken WAVs that contain stray non-zero samples masquerading as silence
+	if( Q_stristr( name, "null.wav" ) || Q_stristr( name, "_period.wav" ) || Q_stristr( name, "_comma.wav" ))
+	{
+		static const uint32_t broken_crcs[] =
+		{
+			0x14a36f29, // common/null.wav (HL1/Q1)
+			0x005a43ab, // vox/_period.wav (HL1)
+			0x7749ed15, // vox/_comma.wav (HL1)
+		};
+		uint32_t crc;
+
+		CRC32_Init( &crc );
+		CRC32_ProcessBuffer( &crc, buffer, filesize );
+		crc = CRC32_Final( crc );
+
+		for( size_t i = 0; i < ARRAYSIZE( broken_crcs ); i++ )
+		{
+			if( crc == broken_crcs[i] )
+			{
+				memset( sound.wav, 0, sound.size );
+				break;
+			}
+		}
+	}
+
 	return true;
 }
 
@@ -357,7 +380,6 @@ stream_t *Stream_OpenWAV( const char *filename )
 	stream_t	*stream;
 	int 	last_chunk = 0;
 	char	chunkName[4];
-	int	iff_data;
 	file_t	*file;
 	short	t;
 
@@ -393,7 +415,7 @@ stream_t *Stream_OpenWAV( const char *filename )
 	}
 
 	// get "fmt " chunk
-	iff_data = FS_Tell( file );
+	int iff_data = FS_Tell( file );
 	last_chunk = iff_data;
 	if( !StreamFindNextChunk( file, "fmt ", &last_chunk ))
 	{
@@ -460,11 +482,9 @@ assume stream is valid
 */
 int Stream_ReadWAV( stream_t *stream, int bytes, void *buffer )
 {
-	int	remaining;
-
 	if( !stream->file ) return 0;	// invalid file
 
-	remaining = stream->size - stream->pos;
+	int remaining = stream->size - stream->pos;
 	if( remaining <= 0 ) return 0;
 	if( bytes > remaining ) bytes = remaining;
 

engine/client/titles.c

@@ -219,8 +219,6 @@ client_textmessage_t *CL_TextMessageParse( poolhandle_t mempool, char *pfile, in
 void Test_RunTitles( void )
 {
 	poolhandle_t mempool = Mem_AllocPool( __func__ );
-	client_textmessage_t *tmessages;
-	client_textmessage_t *null;
 	int num_titles = 0, num_null_titles = 0;
 	char titles[] =
 	"// this is a comment\n"
@@ -258,7 +256,7 @@ void Test_RunTitles( void )
 	char broken_titles[] = "}\n";
 	char broken_titles2[] = "{\n{\n";
 
-	null = CL_TextMessageParse( mempool, broken_titles, Q_strlen( broken_titles ), &num_null_titles );
+	client_textmessage_t *null = CL_TextMessageParse( mempool, broken_titles, Q_strlen( broken_titles ), &num_null_titles );
 	TASSERT_EQi( num_null_titles, 0 );
 	TASSERT_EQp( null, NULL );
 
@@ -266,7 +264,7 @@ void Test_RunTitles( void )
 	TASSERT_EQi( num_null_titles, 0 );
 	TASSERT_EQp( null, NULL );
 
-	tmessages = CL_TextMessageParse( mempool, titles, Q_strlen( titles ), &num_titles );
+	client_textmessage_t *tmessages = CL_TextMessageParse( mempool, titles, Q_strlen( titles ), &num_titles );
 	TASSERT_EQi( num_titles, 4 );
 	TASSERT_NEQp( tmessages, NULL );
 

engine/client/vgui/vgui_draw.c

@@ -73,9 +73,7 @@ static void GAME_EXPORT VGUI_DrawInit( void )
 
 static void GAME_EXPORT VGUI_DrawShutdown( void )
 {
-	int i;
-
-	for( i = 1; i < vgui.texture_id; i++ )
+	for( int i = 1; i < vgui.texture_id; i++ )
 		ref.dllFuncs.GL_FreeTexture( vgui.textures[i].gl_texturenum );
 
 	Mem_FreePool( &vgui.mempool );
@@ -136,9 +134,7 @@ static void GAME_EXPORT VGUI_UploadTexture( int id, const char *buffer, int widt
 	// it's a new texture, try to find a copy
 	if( vgui.textures[id].gl_texturenum == 0 )
 	{
-		int i;
-
-		for( i = 1; i < vgui.texture_id; i++ )
+		for( int i = 1; i < vgui.texture_id; i++ )
 		{
 			if( vgui.textures[i].gl_texturenum != 0 && !memcmp( vgui.textures[i].hash, hash, sizeof( hash )))
 			{
@@ -210,26 +206,22 @@ static void GAME_EXPORT VGUI_SetupDrawingText( int *pColor )
 
 static void GAME_EXPORT VGUI_DrawQuad( const vpoint_t *ul, const vpoint_t *lr )
 {
-	float x, y, w, h;
-
 	if( !ul || !lr )
 		return;
 
-	x = ul->point[0];
-	y = ul->point[1];
-	w = lr->point[0] - x;
-	h = lr->point[1] - y;
+	float x = ul->point[0];
+	float y = ul->point[1];
+	float w = lr->point[0] - x;
+	float h = lr->point[1] - y;
 
 	SPR_AdjustSize( &x, &y, &w, &h );
 
 	if( vgui.enable_texture )
 	{
-		float s1, s2, t1, t2;
-
-		s1 = ul->coord[0];
-		t1 = ul->coord[1];
-		s2 = lr->coord[0];
-		t2 = lr->coord[1];
+		float s1 = ul->coord[0];
+		float t1 = ul->coord[1];
+		float s2 = lr->coord[0];
+		float t2 = lr->coord[1];
 
 		ref.dllFuncs.Color4ub( vgui.color[0], vgui.color[1], vgui.color[2], vgui.color[3] );
 		ref.dllFuncs.R_DrawStretchPic( x, y, w, h, s1, t1, s2, t2, vgui.textures[vgui.bound_texture].gl_texturenum );

engine/client/vid_common.c

@@ -91,11 +91,11 @@ VID_GetModeString
 */
 const char *VID_GetModeString( int vid_mode )
 {
-	vidmode_t *vidmode;
 	if( vid_mode < 0 || vid_mode >= R_MaxVideoModes() )
 		return NULL;
 
-	if( !( vidmode = R_GetVideoMode( vid_mode ) ) )
+	vidmode_t *vidmode = R_GetVideoMode( vid_mode );
+	if( !vidmode )
 		return NULL;
 
 	return vidmode->desc;
@@ -176,9 +176,7 @@ static void VID_Mode_f( void )
 	{
 	case 2:
 	{
-		vidmode_t *vidmode;
-
-		vidmode = R_GetVideoMode( Q_atoi( Cmd_Argv( 1 )) );
+		vidmode_t *vidmode = R_GetVideoMode( Q_atoi( Cmd_Argv( 1 )) );
 		if( !vidmode )
 		{
 			Con_Printf( S_ERROR "unable to set mode, backend returned null\n" );

engine/common/base_cmd.c

@@ -43,16 +43,12 @@ Find base command in bucket
 */
 static base_command_hashmap_t *BaseCmd_FindInBucket( base_command_hashmap_t *bucket, base_command_type_e type, const char *name )
 {
-	base_command_hashmap_t *i;
-
-	for( i = bucket; i != NULL; i = i->next )
+	for( base_command_hashmap_t *i = bucket; i != NULL; i = i->next )
 	{
-		int cmp;
-
 		if( i->type != type )
 			continue;
 
-		cmp = Q_stricmp( i->name, name );
+		int cmp = Q_stricmp( i->name, name );
 
 		if( cmp < 0 )
 			continue;
@@ -147,16 +143,16 @@ Add new typed base command to hashmap
 */
 void BaseCmd_Insert( base_command_type_e type, base_command_t *basecmd, const char *name )
 {
-	base_command_hashmap_t *elem, *cur, *find;
 	uint hash = BaseCmd_HashKey( name );
 	size_t len = Q_strlen( name );
+	base_command_hashmap_t *elem = Mem_Malloc( basecmd_pool, sizeof( base_command_hashmap_t ) + len + 1 );
 
-	elem = Mem_Malloc( basecmd_pool, sizeof( base_command_hashmap_t ) + len + 1 );
 	elem->basecmd = basecmd;
 	elem->type = type;
 	Q_strncpy( elem->name, name, len + 1 );
 
 	// link the variable in alphanumerical order
+	base_command_hashmap_t *cur, *find;
 	for( cur = NULL, find = hashed_cmds[hash];
 		  find && Q_stricmp( find->name, elem->name ) < 0;
 		  cur = find, find = find->next );
@@ -181,12 +177,10 @@ void BaseCmd_Remove( base_command_type_e type, const char *name )
 
 	for( prev = NULL, i = hashed_cmds[hash]; i != NULL; prev = i, i = i->next )
 	{
-		int cmp;
-
 		if( i->type != type )
 			continue;
 
-		cmp = Q_stricmp( i->name, name );
+		int cmp = Q_stricmp( i->name, name );
 
 		if( cmp < 0 )
 			continue;
@@ -220,7 +214,7 @@ initialize base command hashmap system
 */
 void BaseCmd_Init( void )
 {
-	basecmd_pool = Mem_AllocPool( "BaseCmd" );
+	basecmd_pool = Mem_AllocPoolExt( "BaseCmd", MEM_SMALL_ALLOC_OPT );
 	memset( hashed_cmds, 0, sizeof( hashed_cmds ) );
 }
 
@@ -241,11 +235,10 @@ void BaseCmd_Stats_f( void )
 
 	for( int i = 0; i < HASH_SIZE; i++ )
 	{
-		base_command_hashmap_t *hm;
 		int len = 0;
 
 		// count bucket length
-		for( hm = hashed_cmds[i]; hm; hm = hm->next, len++ );
+		for( base_command_hashmap_t *hm = hashed_cmds[i]; hm; hm = hm->next, len++ );
 
 		if( len == 0 )
 		{
@@ -300,11 +293,8 @@ void BaseCmd_Test_f( void )
 
 	for( int i = 0; i < 1000; i++ )
 	{
-		cmdalias_t *a;
-		void *cmd;
-
 		// Cmd_LookupCmds don't allows to check alias, so just iterate
-		for( a = Cmd_AliasGetList(); a; a = a->next, stats.lookups++ )
+		for( cmdalias_t *a = Cmd_AliasGetList(); a; a = a->next, stats.lookups++ )
 		{
 			if( !BaseCmd_Find( HM_CMDALIAS, a->name ))
 			{
@@ -313,7 +303,7 @@ void BaseCmd_Test_f( void )
 			}
 		}
 
-		for( cmd = Cmd_GetFirstFunctionHandle(); cmd;
+		for( void *cmd = Cmd_GetFirstFunctionHandle(); cmd;
 			 cmd = Cmd_GetNextFunctionHandle( cmd ), stats.lookups++ )
 		{
 			if( !BaseCmd_Find( HM_CMD, Cmd_GetName( cmd )))

engine/common/cfgscript.c

@@ -77,9 +77,7 @@ Determine script variable type
 */
 static cvartype_t CSCR_ParseType( parserstate_t *ps )
 {
-	int	i;
-
-	for( i = 1; i < T_COUNT; i++ )
+	for( int i = 1; i < T_COUNT; i++ )
 	{
 		if( CSCR_ExpectString( ps, cvartypes[i], false, false ))
 			return i;
@@ -213,11 +211,11 @@ will callback on each scrvardef_t
 static int CSCR_ParseFile( const char *scriptfilename,
 	void (*callback)( scrvardef_t *var, void * ), void *userdata )
 {
-	parserstate_t	state = { 0 };
-	qboolean		success = false;
-	int		count = 0;
-	fs_offset_t		length = 0;
-	char		*start;
+	parserstate_t state = { 0 };
+	qboolean success = false;
+	int count = 0;
+	fs_offset_t length = 0;
+	char *start;
 
 	state.filename = scriptfilename;
 	state.buf = start = (char *)FS_LoadFile( scriptfilename, &length, true );

engine/common/cmd.c

@@ -66,15 +66,13 @@ Cbuf_GetSpace
 */
 static void *Cbuf_GetSpace( cmdbuf_t *buf, int length )
 {
-	void *data;
-
 	if(( buf->cursize + length ) >= sizeof( buf->data ))
 	{
 		buf->cursize = 0;
 		Host_Error( "%s: overflow\n", __func__ );
 	}
 
-	data = buf->data + buf->cursize;
+	void *data = buf->data + buf->cursize;
 	buf->cursize += length;
 
 	return data;
@@ -168,10 +166,8 @@ Cbuf_Execute
 */
 static void Cbuf_ExecuteCommandsFromBuffer( cmdbuf_t *buf, qboolean isPrivileged, int cmdsToExecute )
 {
-	char	*text;
 	char	line[MAX_CMD_LINE];
-	int	i, quotes;
-	char	*comment;
+	int	i;
 
 	while( buf->cursize )
 	{
@@ -189,10 +185,10 @@ static void Cbuf_ExecuteCommandsFromBuffer( cmdbuf_t *buf, qboolean isPrivileged
 		}
 
 		// find a \n or ; line break
-		text = (char *)buf->data;
+		char *text = (char *)buf->data;
 
-		quotes = false;
-		comment = NULL;
+		int quotes = false;
+		char *comment = NULL;
 
 		for( i = 0; i < buf->cursize; i++ )
 		{
@@ -384,9 +380,7 @@ Just prints the rest of the line to the console
 */
 static void Cmd_Echo_f( void )
 {
-	int	i;
-
-	for( i = 1; i < Cmd_Argc(); i++ )
+	for( int i = 1; i < Cmd_Argc(); i++ )
 		Con_Printf( "%s ", Cmd_Argv( i ));
 	Con_Printf( "\n" );
 }
@@ -402,8 +396,6 @@ static void Cmd_Alias_f( void )
 {
 	cmdalias_t	*a;
 	char		cmd[MAX_CMD_LINE];
-	int		i, c;
-	const char		*s;
 
 	if( Cmd_Argc() == 1 )
 	{
@@ -413,7 +405,7 @@ static void Cmd_Alias_f( void )
 		return;
 	}
 
-	s = Cmd_Argv( 1 );
+	const char *s = Cmd_Argv( 1 );
 
 	if( Q_strlen( s ) >= MAX_ALIAS_NAME )
 	{
@@ -452,9 +444,9 @@ static void Cmd_Alias_f( void )
 	// copy the rest of the command line
 	cmd[0] = 0; // start out with a null string
 
-	c = Cmd_Argc();
+	int c = Cmd_Argc();
 
-	for( i = 2; i < c; i++ )
+	for( int i = 2; i < c; i++ )
 	{
 		if( i != 2 ) Q_strncat( cmd, " ", sizeof( cmd ));
 		Q_strncat( cmd, Cmd_Argv( i ), sizeof( cmd ));
@@ -473,20 +465,16 @@ Remove existing aliases.
 */
 static void Cmd_UnAlias_f ( void )
 {
-	cmdalias_t	*a, *p;
-	const char	*s;
-	int		i;
-
 	if( Cmd_Argc() == 1 )
 	{
 		Con_Printf( S_USAGE "unalias alias1 [alias2 ...]\n" );
 		return;
 	}
 
-	for( i = 1; i < Cmd_Argc(); i++ )
+	for( int i = 1; i < Cmd_Argc(); i++ )
 	{
-		s = Cmd_Argv( i );
-		p = NULL;
+		const char *s = Cmd_Argv( i );
+		cmdalias_t *a, *p = NULL;
 
 		for( a = cmd_alias; a; p = a, a = a->next )
 		{
@@ -586,10 +574,9 @@ will point into this temporary buffer.
 void Cmd_TokenizeString( const char *text )
 {
 	char	cmd_token[MAX_CMD_BUFFER];
-	int	i;
 
 	// clear the args from the last string
-	for( i = 0; i < cmd_argc; i++ )
+	for( int i = 0; i < cmd_argc; i++ )
 		Mem_Free( cmd_argv[i] );
 
 	cmd_argc = 0; // clear previous args
@@ -709,15 +696,13 @@ Cmd_RemoveCommand
 */
 void GAME_EXPORT Cmd_RemoveCommand( const char *cmd_name )
 {
-	cmd_t	*cmd, **back;
-
 	if( !cmd_name || !*cmd_name )
 		return;
 
-	back = &cmd_functions;
+	cmd_t **back = &cmd_functions;
 	while( 1 )
 	{
-		cmd = *back;
+		cmd_t *cmd = *back;
 		if( !cmd ) return;
 
 		if( !Q_strcmp( cmd_name, cmd->name ))
@@ -743,20 +728,17 @@ Cmd_LookupCmds
 */
 void Cmd_LookupCmds( void *buffer, void *ptr, setpair_t callback )
 {
-	cmd_t	*cmd;
-	cmdalias_t	*alias;
-
 	// nothing to process ?
 	if( !callback ) return;
 
-	for( cmd = cmd_functions; cmd; cmd = cmd->next )
+	for( cmd_t *cmd = cmd_functions; cmd; cmd = cmd->next )
 	{
 		if( !buffer ) callback( cmd->name, (char *)cmd->function, cmd->desc, ptr );
 		else callback( cmd->name, (char *)cmd->function, buffer, ptr );
 	}
 
 	// lookup an aliases too
-	for( alias = cmd_alias; alias; alias = alias->next )
+	for( cmdalias_t *alias = cmd_alias; alias; alias = alias->next )
 		callback( alias->name, alias->value, buffer, ptr );
 }
 
@@ -846,7 +828,6 @@ static void Cmd_Else_f( void )
 static qboolean Cmd_ShouldAllowCommand( cmd_t *cmd, qboolean isPrivileged )
 {
 	const char *prefixes[] = { "cl_", "gl_", "r_", "m_", "hud_", "joy_", "con_", "scr_" };
-	int i;
 
 	// always allow local commands
 	if( isPrivileged )
@@ -863,7 +844,7 @@ static qboolean Cmd_ShouldAllowCommand( cmd_t *cmd, qboolean isPrivileged )
 	if( FBitSet( cmd->flags, CMD_FILTERABLE ))
 		return false;
 
-	for( i = 0; i < ARRAYSIZE( prefixes ); i++ )
+	for( int i = 0; i < ARRAYSIZE( prefixes ); i++ )
 	{
 		if( !Q_strnicmp( cmd->name, prefixes[i], Q_strlen( prefixes[i] )))
 			return false;
@@ -1038,7 +1019,6 @@ Cmd_List_f
 */
 static void Cmd_List_f( void )
 {
-	cmd_t	*cmd;
 	int	i = 0;
 	size_t	matchlen = 0;
 	const char *match = NULL;
@@ -1049,7 +1029,7 @@ static void Cmd_List_f( void )
 		matchlen = Q_strlen( match );
 	}
 
-	for( cmd = cmd_functions; cmd; cmd = cmd->next )
+	for( cmd_t *cmd = cmd_functions; cmd; cmd = cmd->next )
 	{
 		if( cmd->name[0] == '@' )
 			continue;	// never show system cmds
@@ -1073,8 +1053,6 @@ unlink all commands with specified flag
 */
 void Cmd_Unlink( int group )
 {
-	cmd_t	*cmd;
-	cmd_t	**prev;
 	int	count = 0;
 
 	if( FBitSet( group, CMD_SERVERDLL ) && Cvar_VariableInteger( "host_gameloaded" ))
@@ -1086,11 +1064,11 @@ void Cmd_Unlink( int group )
 	if( FBitSet( group, CMD_GAMEUIDLL ) && Cvar_VariableInteger( "host_gameuiloaded" ))
 		return;
 
-	prev = &cmd_functions;
+	cmd_t **prev = &cmd_functions;
 
 	while( 1 )
 	{
-		cmd = *prev;
+		cmd_t *cmd = *prev;
 		if( !cmd ) break;
 
 		// do filter by specified group
@@ -1115,10 +1093,6 @@ void Cmd_Unlink( int group )
 
 static void Cmd_Apropos_f( void )
 {
-	cmd_t *cmd;
-	convar_t *var;
-	cmdalias_t *alias;
-	const char *partial;
 	int count = 0;
 	char buf[MAX_VA_STRING];
 
@@ -1128,7 +1102,7 @@ static void Cmd_Apropos_f( void )
 		return;
 	}
 
-	partial = Cmd_Args();
+	const char *partial = Cmd_Args();
 
 	if( !Q_strpbrk( partial, "*?" ))
 	{
@@ -1136,7 +1110,7 @@ static void Cmd_Apropos_f( void )
 		partial = buf;
 	}
 
-	for( var = (convar_t*)Cvar_GetList(); var; var = var->next )
+	for( convar_t *var = (convar_t*)Cvar_GetList(); var; var = var->next )
 	{
 		if( !matchpattern_with_separator( var->name, partial, true, "", false ) )
 		{
@@ -1162,7 +1136,7 @@ static void Cmd_Apropos_f( void )
 		count++;
 	}
 
-	for( cmd = Cmd_GetFirstFunctionHandle(); cmd; cmd = Cmd_GetNextFunctionHandle( cmd ) )
+	for( cmd_t *cmd = Cmd_GetFirstFunctionHandle(); cmd; cmd = Cmd_GetNextFunctionHandle( cmd ) )
 	{
 		if( cmd->name[0] == '@' )
 			continue;	// never show system cmds
@@ -1175,7 +1149,7 @@ static void Cmd_Apropos_f( void )
 		count++;
 	}
 
-	for( alias = Cmd_AliasGetList(); alias; alias = alias->next )
+	for( cmdalias_t *alias = Cmd_AliasGetList(); alias; alias = alias->next )
 	{
 		// proceed a bit differently here as an alias value always got a final \n
 		if( !matchpattern_with_separator( alias->name, partial, true, "", false ) &&
@@ -1247,10 +1221,9 @@ Cmd_ExecScript
 */
 static void Cmd_ExecScript( const char *filename )
 {
-	byte *f;
 	fs_offset_t len;
+	byte *f = FS_LoadFile( filename, &len, false );
 
-	f = FS_LoadFile( filename, &len, false );
 	if( !f )
 	{
 		Con_Reportf( "couldn't exec %s\n", filename );
@@ -1304,7 +1277,6 @@ static void Cmd_UnprivilegedExec_f( void )
 			"scout.cfg", "sniper.cfg", "soldier.cfg", "spy.cfg",
 		};
 		char mapcfg[MAX_VA_STRING];
-		qboolean allow = false;
 
 		Q_snprintf( mapcfg, sizeof( mapcfg ), "%s.cfg", clgame.mapname );
 
@@ -1454,7 +1426,7 @@ Cmd_Init
 */
 void Cmd_Init( void )
 {
-	cmd_pool = Mem_AllocPool( "Console Commands" );
+	cmd_pool = Mem_AllocPoolExt( "Console Commands", MEM_SMALL_ALLOC_OPT );
 	cmd_functions = NULL;
 	cmd_condition = 0;
 	cmd_wait = 0;

engine/common/common.c

@@ -31,6 +31,8 @@ static const char *const file_exts[] =
 	// ban Windows code
 	"exe", "vbs", "com", "bat",
 	"dll", "sys", "ps1",
+	"lnk", "scr", "cpl", "msi",
+	"url", "jar",
 
 	// ban common unix code
 	// NOTE: in unix anything can be executed as long it has access flag
@@ -66,19 +68,17 @@ static int idum = 0;
 
 static int lran1( void )
 {
-	static int	iy = 0;
-	static int	iv[NTAB];
-	int		j;
-	int		k;
+	static int iy = 0;
+	static int iv[NTAB];
 
 	if( idum <= 0 || !iy )
 	{
 		if( -(idum) < 1 ) idum = 1;
 		else idum = -(idum);
 
-		for( j = NTAB + 7; j >= 0; j-- )
+		for( int j = NTAB + 7; j >= 0; j-- )
 		{
-			k = (idum) / IQ;
+			int k = (idum) / IQ;
 			idum = IA * (idum - k * IQ) - IR * k;
 			if( idum < 0 ) idum += IM;
 			if( j < NTAB ) iv[j] = idum;
@@ -87,10 +87,10 @@ static int lran1( void )
 		iy = iv[0];
 	}
 
-	k = (idum) / IQ;
+	int k = (idum) / IQ;
 	idum = IA * (idum - k * IQ) - IR * k;
 	if( idum < 0 ) idum += IM;
-	j = iy / NDIV;
+	int j = iy / NDIV;
 	iy = iv[j];
 	iv[j] = idum;
 
@@ -119,18 +119,15 @@ void GAME_EXPORT COM_SetRandomSeed( int lSeed )
 
 float GAME_EXPORT COM_RandomFloat( float flLow, float flHigh )
 {
-	float	fl;
-
 	if( idum == 0 ) COM_SetRandomSeed( 0 );
 
-	fl = fran1(); // float in [0,1]
+	float fl = fran1(); // float in [0,1]
 	return (fl * (flHigh - flLow)) + flLow; // float in [low, high)
 }
 
 int GAME_EXPORT COM_RandomLong( int lLow, int lHigh )
 {
-	dword	maxAcceptable;
-	dword	n, x = lHigh - lLow + 1;
+	dword x = lHigh - lLow + 1;
 
 	if( idum == 0 ) COM_SetRandomSeed( 0 );
 
@@ -144,7 +141,8 @@ int GAME_EXPORT COM_RandomLong( int lLow, int lHigh )
 	// the average number of times through the loop is 2. For cases where x is
 	// much smaller than MAX_RANDOM_RANGE, the average number of times through the
 	// loop is very close to 1.
-	maxAcceptable = MAX_RANDOM_RANGE - ((MAX_RANDOM_RANGE + 1) % x );
+	dword maxAcceptable = MAX_RANDOM_RANGE - ((MAX_RANDOM_RANGE + 1) % x );
+	dword n;
 	do
 	{
 		n = lran1();
@@ -164,12 +162,13 @@ of all text functions.
 */
 char *va( const char *format, ... )
 {
-	va_list		argptr;
-	static char	string[16][MAX_VA_STRING], *s;
-	static int	stringindex = 0;
+	static char string[16][MAX_VA_STRING], *s;
+	static int stringindex = 0;
 
 	s = string[stringindex];
 	stringindex = (stringindex + 1) & 15;
+
+	va_list argptr;
 	va_start( argptr, format );
 	Q_vsnprintf( s, sizeof( string[0] ), format, argptr );
 	va_end( argptr );
@@ -220,12 +219,10 @@ typedef struct
 
 qboolean LZSS_IsCompressed( const byte *source, size_t input_len )
 {
-	const lzss_header_t *phdr;
-
 	if( input_len <= sizeof( lzss_header_t ))
 		return 0;
 
-	phdr = (const lzss_header_t *)source;
+	const lzss_header_t *phdr = (const lzss_header_t *)source;
 
 	if( phdr && phdr->id == LittleLong( LZSS_ID ))
 		return true;
@@ -234,12 +231,10 @@ qboolean LZSS_IsCompressed( const byte *source, size_t input_len )
 
 uint LZSS_GetActualSize( const byte *source, size_t input_len )
 {
-	const lzss_header_t *phdr;
-
 	if( input_len <= sizeof( lzss_header_t ))
 		return 0;
 
-	phdr = (const lzss_header_t *)source;
+	const lzss_header_t *phdr = (const lzss_header_t *)source;
 
 	if( phdr && phdr->id == LittleLong( LZSS_ID ))
 		return LittleLong( phdr->size );
@@ -249,15 +244,12 @@ uint LZSS_GetActualSize( const byte *source, size_t input_len )
 
 static void LZSS_BuildHash( lzss_state_t *state, const byte *source )
 {
-	lzss_list_t	*list;
-	lzss_node_t	*node;
-	unsigned int	targetindex = (uintptr_t)source & ( state->window_size - 1 );
-
-	node = &state->hash_node[targetindex];
+	unsigned int targetindex = (uintptr_t)source & ( state->window_size - 1 );
+	lzss_node_t *node = &state->hash_node[targetindex];
 
 	if( node->data )
 	{
-		list = &state->hash_table[*node->data];
+		lzss_list_t *list = &state->hash_table[*node->data];
 		if( node->prev )
 		{
 			list->end = node->prev;
@@ -270,7 +262,7 @@ static void LZSS_BuildHash( lzss_state_t *state, const byte *source )
 		}
 	}
 
-	list = &state->hash_table[*source];
+	lzss_list_t *list = &state->hash_table[*source];
 	node->data = source;
 	node->prev = NULL;
 	node->next = list->start;
@@ -282,19 +274,19 @@ static void LZSS_BuildHash( lzss_state_t *state, const byte *source )
 
 static byte *LZSS_CompressNoAlloc( lzss_state_t *state, byte *pInput, int input_length, byte *pOutputBuf, uint *pOutputSize )
 {
-	byte		*pStart = pOutputBuf; // allocate the output buffer, compressed buffer is expected to be less, caller will free
-	byte		*pEnd = pStart + input_length - sizeof( lzss_header_t ) - 8; // prevent compression failure
-	lzss_header_t	*header = (lzss_header_t *)pStart;
-	byte		*pOutput = pStart + sizeof( lzss_header_t );
-	const byte	*pEncodedPosition = NULL;
-	byte		*pLookAhead = pInput;
-	byte		*pWindow = pInput;
-	int		i, putCmdByte = 0;
-	byte		*pCmdByte = NULL;
-
 	if( input_length <= sizeof( lzss_header_t ) + 8 )
 		return NULL;
 
+	byte *pStart = pOutputBuf; // allocate the output buffer, compressed buffer is expected to be less, caller will free
+	byte *pEnd = pStart + input_length - sizeof( lzss_header_t ) - 8; // prevent compression failure
+	lzss_header_t *header = (lzss_header_t *)pStart;
+	byte *pOutput = pStart + sizeof( lzss_header_t );
+	const byte *pEncodedPosition = NULL;
+	byte *pLookAhead = pInput;
+	byte *pWindow = pInput;
+	int putCmdByte = 0;
+	byte *pCmdByte = NULL;
+
 	// set LZSS header
 	header->id = LittleLong( LZSS_ID );
 	header->size = LittleLong( input_length );
@@ -357,7 +349,7 @@ static byte *LZSS_CompressNoAlloc( lzss_state_t *state, byte *pInput, int input_
 			encoded_length = 1;
 		}
 
-		for( i = 0; i < encoded_length; i++ )
+		for( int i = 0; i < encoded_length; i++ )
 		{
 			LZSS_BuildHash( state, pLookAhead++ );
 		}
@@ -405,13 +397,12 @@ static byte *LZSS_CompressNoAlloc( lzss_state_t *state, byte *pInput, int input_
 byte *LZSS_Compress( byte *pInput, int inputLength, uint *pOutputSize )
 {
 	byte *pStart = (byte *)malloc( inputLength );
-	byte *pFinal = NULL;
-	lzss_state_t state = { .window_size = LZSS_WINDOW_SIZE };
 
 	if( !pStart )
 		return NULL;
 
-	pFinal = LZSS_CompressNoAlloc( &state, pInput, inputLength, pStart, pOutputSize );
+	lzss_state_t state = { .window_size = LZSS_WINDOW_SIZE };
+	byte *pFinal = LZSS_CompressNoAlloc( &state, pInput, inputLength, pStart, pOutputSize );
 
 	if( !pFinal )
 	{
@@ -424,21 +415,20 @@ byte *LZSS_Compress( byte *pInput, int inputLength, uint *pOutputSize )
 
 uint LZSS_Decompress( const byte *pInput, byte *pOutput, size_t input_len, size_t output_len )
 {
-	uint	totalBytes = 0;
-	int	getCmdByte = 0;
-	int	cmdByte = 0;
-	uint	actualSize;
-	const byte *pInputEnd = pInput + input_len - 1; // thanks to nillerusr for the fix!
-	byte *pOrigOutput = pOutput;
-
 	if( input_len <= sizeof( lzss_header_t ))
 		return 0;
 
-	actualSize = LZSS_GetActualSize( pInput, input_len );
+	uint actualSize = LZSS_GetActualSize( pInput, input_len );
 
 	if( !actualSize || actualSize > output_len )
 		return 0;
 
+	uint totalBytes = 0;
+	int getCmdByte = 0;
+	int cmdByte = 0;
+	const byte *pInputEnd = pInput + input_len - 1; // thanks to nillerusr for the fix!
+	byte *pOrigOutput = pOutput;
+
 	pInput += sizeof( lzss_header_t );
 
 	while( 1 )
@@ -454,26 +444,22 @@ uint LZSS_Decompress( const byte *pInput, byte *pOutput, size_t input_len, size_
 
 		if( cmdByte & 0x01 )
 		{
-			int	position;
-			int	i, count;
-			byte	*pSource;
-
 			if( pInput > pInputEnd )
 				return 0;
 
-			position = *pInput++ << LZSS_LOOKSHIFT;
+			int position = *pInput++ << LZSS_LOOKSHIFT;
 			position |= ( *pInput >> LZSS_LOOKSHIFT );
-			count = ( *pInput++ & 0x0F ) + 1;
+			int count = ( *pInput++ & 0x0F ) + 1;
 
 			if( count == 1 )
 				break;
 
-			pSource = pOutput - position - 1;
+			byte *pSource = pOutput - position - 1;
 
 			if( totalBytes + count > output_len || pSource < pOrigOutput )
 				return 0;
 
-			for( i = 0; i < count; i++ )
+			for( int i = 0; i < count; i++ )
 				*pOutput++ = *pSource++;
 			totalBytes += count;
 		}
@@ -504,16 +490,12 @@ COM_ParseVector
 */
 qboolean COM_ParseVector( char **pfile, float *v, size_t size )
 {
-	string	token;
-	qboolean	bracket = false;
-	char	*saved;
-	uint	i;
-
 	if( v == NULL || size == 0 )
 		return false;
 
 	memset( v, 0, sizeof( *v ) * size );
 
+	string token;
 	if( size == 1 )
 	{
 		*pfile = COM_ParseFile( *pfile, token, sizeof( token ));
@@ -521,16 +503,17 @@ qboolean COM_ParseVector( char **pfile, float *v, size_t size )
 		return true;
 	}
 
-	saved = *pfile;
+	char *saved = *pfile;
 
 	if(( *pfile = COM_ParseFile( *pfile, token, sizeof( token ))) == NULL )
 		return false;
 
+	qboolean bracket = false;
 	if( token[0] == '(' )
 		bracket = true;
 	else *pfile = saved; // restore token to right get it again
 
-	for( i = 0; i < size; i++ )
+	for( uint i = 0; i < size; i++ )
 	{
 		*pfile = COM_ParseFile( *pfile, token, sizeof( token ));
 		v[i] = Q_atof( token );
@@ -593,13 +576,11 @@ Converts pszInput Hex string to nInputLength/2 binary
 */
 void COM_HexConvert( const char *pszInput, int nInputLength, byte *pOutput )
 {
-	const char	*pIn;
-	byte		*p = pOutput;
-	int		i;
+	byte *p = pOutput;
 
-	for( i = 0; i < nInputLength; i += 2 )
+	for( int i = 0; i < nInputLength; i += 2 )
 	{
-		pIn = &pszInput[i];
+		const char *pIn = &pszInput[i];
 		*p = COM_Nibble( pIn[0] ) << 4 | COM_Nibble( pIn[1] );
 		p++;
 	}
@@ -613,10 +594,6 @@ COM_LoadFileForMe
 */
 byte *GAME_EXPORT COM_LoadFileForMe( const char *filename, int *pLength )
 {
-	string	name;
-	byte	*pfile;
-	fs_offset_t	iLength;
-
 	if( COM_StringEmptyOrNULL( filename ))
 	{
 		if( pLength )
@@ -624,10 +601,12 @@ byte *GAME_EXPORT COM_LoadFileForMe( const char *filename, int *pLength )
 		return NULL;
 	}
 
+	string name;
 	Q_strncpy( name, filename, sizeof( name ));
 	COM_FixSlashes( name );
 
-	pfile = g_fsapi.LoadFileMalloc( name, &iLength, false );
+	fs_offset_t iLength;
+	byte *pfile = g_fsapi.LoadFileMalloc( name, &iLength, false );
 	if( pLength ) *pLength = (int)iLength;
 
 	return pfile;
@@ -726,16 +705,17 @@ pfnCompareFileTime
 */
 int GAME_EXPORT pfnCompareFileTime( const char *path1, const char *path2, int *retval )
 {
-	int t1, t2;
 	*retval = 0;
 
 	if( !path1 || !path2 )
 		return 0;
 
-	if(( t1 = g_fsapi.FileTime( path1, false )) == -1 )
+	int t1 = g_fsapi.FileTime( path1, false );
+	if( t1 == -1 )
 		return 0;
 
-	if(( t2 = g_fsapi.FileTime( path2, false )) == -1 )
+	int t2 = g_fsapi.FileTime( path2, false );
+	if( t2 == -1 )
 		return 0;
 
 	if( t1 < t2 )
@@ -768,17 +748,11 @@ int GAME_EXPORT COM_CheckParm( char *parm, char **ppnext )
 
 qboolean COM_IsSafeFileToDownload( const char *filename )
 {
-	char		lwrfilename[4096];
-	const char	*last;
-	const char	*ext;
-	size_t	len;
-	int		i;
-
 	if( COM_StringEmptyOrNULL( filename ))
 		return false;
 
-	ext = COM_FileExtension( filename );
-	len = Q_strlen( filename );
+	const char *ext = COM_FileExtension( filename );
+	size_t len = Q_strlen( filename );
 
 	// only allow extensionless files that start with !MD5
 	if( !Q_strncmp( filename, "!MD5", 4 ))
@@ -791,7 +765,7 @@ qboolean COM_IsSafeFileToDownload( const char *filename )
 		if( len != 36 )
 			return false;
 
-		for( i = 4; i < len; i++ )
+		for( int i = 4; i < len; i++ )
 		{
 			if(( filename[i] >= '0' && filename[i] <= '9' ) ||
 				( filename[i] >= 'A' && filename[i] <= 'F' ))
@@ -803,12 +777,13 @@ qboolean COM_IsSafeFileToDownload( const char *filename )
 		return true;
 	}
 
-	for( i = 0; i < len; i++ )
+	for( int i = 0; i < len; i++ )
 	{
 		if( !isprint( filename[i] ))
 			return false;
 	}
 
+	char lwrfilename[4096];
 	Q_strnlwr( filename, lwrfilename, sizeof( lwrfilename ));
 	ext = COM_FileExtension( lwrfilename );
 
@@ -818,7 +793,7 @@ qboolean COM_IsSafeFileToDownload( const char *filename )
 	if( lwrfilename[0] == '/' )
 		return false;
 
-	last = Q_strrchr( lwrfilename, '.' );
+	const char *last = Q_strrchr( lwrfilename, '.' );
 
 	if( last == NULL )
 		return false;
@@ -826,7 +801,7 @@ qboolean COM_IsSafeFileToDownload( const char *filename )
 	if( Q_strlen( last ) != 4 )
 		return false;
 
-	for( i = 0; i < ARRAYSIZE( file_exts ); i++ )
+	for( int i = 0; i < ARRAYSIZE( file_exts ); i++ )
 	{
 		if( !Q_stricmp( ext, file_exts[i] ))
 			return false;
@@ -837,14 +812,11 @@ qboolean COM_IsSafeFileToDownload( const char *filename )
 
 char *_copystring( poolhandle_t mempool, const char *s, const char *filename, int fileline )
 {
-	size_t	size;
-	char	*b;
-
 	if( !s ) return NULL;
 	if( !mempool ) mempool = host.mempool;
 
-	size = Q_strlen( s ) + 1;
-	b = _Mem_Alloc( mempool, size, false, filename, fileline );
+	size_t size = Q_strlen( s ) + 1;
+	char *b = _Mem_Alloc( mempool, size, false, filename, fileline );
 	Q_strncpy( b, s, size );
 
 	return b;
@@ -943,11 +915,11 @@ void GAME_EXPORT pfnResetTutorMessageDecayData( void )
 
 static void Test_LZSS( void )
 {
-	char poison1[8192];
+	char poison1[8192] MAYBE_UNUSED;
 	byte in[256];
-	char poison2[8192];
+	char poison2[8192] MAYBE_UNUSED;
 	byte out[256];
-	char poison3[8192];
+	char poison3[8192] MAYBE_UNUSED;
 
 	lzss_header_t *hdr = (lzss_header_t *)in;
 	uint result;

engine/common/common.h

@@ -368,8 +368,12 @@ void *_Mem_Realloc( poolhandle_t poolptr, void *memptr, size_t size, qboolean cl
 	ALLOC_CHECK( 3 ) WARN_UNUSED_RESULT;
 void *_Mem_Alloc( poolhandle_t poolptr, size_t size, qboolean clear, const char *filename, int fileline )
 	ALLOC_CHECK( 2 ) MALLOC_LIKE( _Mem_Free, 1 ) WARN_UNUSED_RESULT;
-poolhandle_t _Mem_AllocPool( const char *name, const char *filename, int fileline )
+poolhandle_t _Mem_AllocPool( const char *name, unsigned int flags, const char *filename, int fileline )
 	WARN_UNUSED_RESULT;
+
+// pool flags
+#define MEM_SMALL_ALLOC_OPT (1U<<0) // use compact header for allocations <= 255 bytes (drops filename/fileline tracking)
+
 void _Mem_FreePool( poolhandle_t *poolptr, const char *filename, int fileline );
 void _Mem_EmptyPool( poolhandle_t poolptr, const char *filename, int fileline );
 void _Mem_Check( const char *filename, int fileline );
@@ -385,7 +389,8 @@ void Mem_Stats_f( void );
 	_Mem_Free( *ptr, __FILE__, __LINE__ ); \
 	*ptr = NULL; }
 
-#define Mem_AllocPool( name ) _Mem_AllocPool( name, __FILE__, __LINE__ )
+#define Mem_AllocPool( name ) _Mem_AllocPool( name, 0, __FILE__, __LINE__ )
+#define Mem_AllocPoolExt( name, flags ) _Mem_AllocPool( name, flags, __FILE__, __LINE__ )
 #define Mem_FreePool( pool ) _Mem_FreePool( pool, __FILE__, __LINE__ )
 #define Mem_EmptyPool( pool ) _Mem_EmptyPool( pool, __FILE__, __LINE__ )
 #define Mem_IsAllocated( mem ) Mem_IsAllocatedExt( NULL, mem )
@@ -740,6 +745,7 @@ qboolean CL_DisableVisibility( void );
 qboolean CL_IsRecordDemo( void );
 qboolean CL_IsPlaybackDemo( void );
 qboolean UI_CreditsActive( void );
+void *UI_GetMenuFactory( void );
 int CL_GetMaxClients( void );
 #else
 static inline qboolean CL_Initialized( void ) { return false; }
@@ -750,6 +756,7 @@ static inline qboolean CL_DisableVisibility( void ) { return false; }
 static inline qboolean CL_IsRecordDemo( void ) { return false; }
 static inline qboolean CL_IsPlaybackDemo( void ) { return false; }
 static inline qboolean UI_CreditsActive( void ) { return false; }
+static inline void *UI_GetMenuFactory( void ) { return NULL; }
 static inline int CL_GetMaxClients( void ) { return SV_GetMaxClients(); }
 #endif
 

engine/common/con_utils.c

@@ -54,11 +54,10 @@ Cmd_ListMaps
 */
 int Cmd_ListMaps( search_t *t, char *lastmapname, size_t len, qboolean silent )
 {
-	file_t *f;
-	int i, nummaps;
+	int nummaps = 0;
 	string mapname, message, compiler, generator;
 
-	for( i = 0, nummaps = 0; i < t->numfilenames; i++ )
+	for( int i = 0; i < t->numfilenames; i++ )
 	{
 		char		entfilename[MAX_QPATH];
 		const char	*ext = COM_FileExtension( t->filenames[i] );
@@ -72,17 +71,14 @@ int Cmd_ListMaps( search_t *t, char *lastmapname, size_t len, qboolean silent )
 		compiler[0] = '\0';
 		generator[0] = '\0';
 
-		f = FS_Open( t->filenames[i], "rb", con_gamemaps.value );
+		file_t *f = FS_Open( t->filenames[i], "rb", con_gamemaps.value );
 
 		if( f )
 		{
-			dheader_t   *header;
-			dextrahdr_t *hdrext;
 			dlump_t     entities;
-			fs_offset_t filelen;
 			byte        buf[MAX_SYSPATH] = { 0 }; // 1 kb
 
-			filelen = FS_Read( f, buf, sizeof( buf ));
+			fs_offset_t filelen = FS_Read( f, buf, sizeof( buf ));
 
 			// check all the lumps and some other errors
 			if( !Mod_TestBmodelLumps( f, t->filenames[i], buf, filelen, silent, &entities ))
@@ -94,8 +90,8 @@ int Cmd_ListMaps( search_t *t, char *lastmapname, size_t len, qboolean silent )
 			lumpofs = entities.fileofs;
 			lumplen = entities.filelen;
 
-			header = (dheader_t *)buf;
-			hdrext = (dextrahdr_t *)((byte *)buf + sizeof( dheader_t ));
+			dheader_t *header = (dheader_t *)buf;
+			dextrahdr_t *hdrext = (dextrahdr_t *)((byte *)buf + sizeof( dheader_t ));
 
 			ver = header->version;
 			if( hdrext->id == IDEXTRAHEADER ) version = hdrext->version;
@@ -187,11 +183,9 @@ Prints or complete map filename
 */
 static qboolean Cmd_GetMapList( const char *s, char *completedname, int length, qboolean print_suggestions )
 {
-	search_t *t;
-	string   matchbuf;
-	int	 i, nummaps;
+	string matchbuf;
 
-	t = FS_Search( va( "maps/%s*.bsp", s ), true, con_gamemaps.value );
+	search_t *t = FS_Search( va( "maps/%s*.bsp", s ), true, con_gamemaps.value );
 	if( !t ) return false;
 
 	COM_FileBase( t->filenames[0], matchbuf, sizeof( matchbuf ));
@@ -199,7 +193,7 @@ static qboolean Cmd_GetMapList( const char *s, char *completedname, int length,
 		Q_strncpy( completedname, matchbuf, length );
 	if( t->numfilenames == 1 ) return true;
 
-	nummaps = Cmd_ListMaps( t, matchbuf, sizeof( matchbuf ), !print_suggestions );
+	int nummaps = Cmd_ListMaps( t, matchbuf, sizeof( matchbuf ), !print_suggestions );
 
 	if( print_suggestions )
 		Con_Printf( "\n^3 %d maps found.\n", nummaps );
@@ -207,7 +201,7 @@ static qboolean Cmd_GetMapList( const char *s, char *completedname, int length,
 	Mem_Free( t );
 
 	// cut shortestMatch to the amount common with s
-	for( i = 0; matchbuf[i]; i++ )
+	for( int i = 0; matchbuf[i]; i++ )
 	{
 		if( Q_tolower( completedname[i] ) != Q_tolower( matchbuf[i] ))
 			completedname[i] = 0;
@@ -224,12 +218,10 @@ Prints or complete demo filename
 */
 static qboolean Cmd_GetDemoList( const char *s, char *completedname, int length, qboolean print_suggestions )
 {
-	search_t		*t;
-	string		matchbuf;
-	int		i, numdems;
+	string matchbuf;
 
 	// lookup only in gamedir
-	t = FS_Search( va( "%s*.dem", s ), true, true );
+	search_t *t = FS_Search( va( "%s*.dem", s ), true, true );
 	if( !t ) return false;
 
 	COM_FileBase( t->filenames[0], matchbuf, sizeof( matchbuf ));
@@ -237,7 +229,8 @@ static qboolean Cmd_GetDemoList( const char *s, char *completedname, int length,
 		Q_strncpy( completedname, matchbuf, length );
 	if( t->numfilenames == 1 ) return true;
 
-	for( i = 0, numdems = 0; i < t->numfilenames; i++ )
+	int numdems = 0;
+	for( int i = 0; i < t->numfilenames; i++ )
 	{
 		if( Q_stricmp( COM_FileExtension( t->filenames[i] ), "dem" ))
 			continue;
@@ -256,7 +249,7 @@ static qboolean Cmd_GetDemoList( const char *s, char *completedname, int length,
 	// cut shortestMatch to the amount common with s
 	if( completedname && length )
 	{
-		for( i = 0; matchbuf[i]; i++ )
+		for( int i = 0; matchbuf[i]; i++ )
 		{
 			if( Q_tolower( completedname[i] ) != Q_tolower( matchbuf[i] ))
 				completedname[i] = 0;
@@ -274,11 +267,9 @@ Prints or complete movie filename
 */
 static qboolean Cmd_GetMovieList( const char *s, char *completedname, int length, qboolean print_suggestions )
 {
-	search_t		*t;
-	string		matchbuf;
-	int		i, nummovies;
+	string matchbuf;
 
-	t = FS_Search( va( "media/%s*.avi", s ), true, false );
+	search_t *t = FS_Search( va( "media/%s*.avi", s ), true, false );
 	if( !t ) return false;
 
 	COM_FileBase( t->filenames[0], matchbuf, sizeof( matchbuf ));
@@ -286,7 +277,8 @@ static qboolean Cmd_GetMovieList( const char *s, char *completedname, int length
 		Q_strncpy( completedname, matchbuf, length );
 	if( t->numfilenames == 1 ) return true;
 
-	for(i = 0, nummovies = 0; i < t->numfilenames; i++)
+	int nummovies = 0;
+	for( int i = 0; i < t->numfilenames; i++ )
 	{
 		if( Q_stricmp( COM_FileExtension( t->filenames[i] ), "avi" ))
 			continue;
@@ -304,7 +296,7 @@ static qboolean Cmd_GetMovieList( const char *s, char *completedname, int length
 	// cut shortestMatch to the amount common with s
 	if( completedname && length )
 	{
-		for( i = 0; matchbuf[i]; i++ )
+		for( int i = 0; matchbuf[i]; i++ )
 		{
 			if( Q_tolower( completedname[i] ) != Q_tolower( matchbuf[i] ))
 				completedname[i] = 0;
@@ -323,11 +315,9 @@ Prints or complete background track filename
 */
 static qboolean Cmd_GetMusicList( const char *s, char *completedname, int length, qboolean print_suggestions )
 {
-	search_t		*t;
-	string		matchbuf;
-	int		i, numtracks;
+	string matchbuf;
 
-	t = FS_Search( va( "media/%s*.*", s ), true, false );
+	search_t *t = FS_Search( va( "media/%s*.*", s ), true, false );
 	if( !t ) return false;
 
 	COM_FileBase( t->filenames[0], matchbuf, sizeof( matchbuf ));
@@ -335,7 +325,8 @@ static qboolean Cmd_GetMusicList( const char *s, char *completedname, int length
 		Q_strncpy( completedname, matchbuf, length );
 	if( t->numfilenames == 1 ) return true;
 
-	for(i = 0, numtracks = 0; i < t->numfilenames; i++)
+	int numtracks = 0;
+	for( int i = 0; i < t->numfilenames; i++ )
 	{
 		const char *ext = COM_FileExtension( t->filenames[i] );
 
@@ -355,7 +346,7 @@ static qboolean Cmd_GetMusicList( const char *s, char *completedname, int length
 	// cut shortestMatch to the amount common with s
 	if( completedname && length )
 	{
-		for( i = 0; matchbuf[i]; i++ )
+		for( int i = 0; matchbuf[i]; i++ )
 		{
 			if( Q_tolower( completedname[i] ) != Q_tolower( matchbuf[i] ))
 				completedname[i] = 0;
@@ -373,11 +364,9 @@ Prints or complete savegame filename
 */
 static qboolean Cmd_GetSavesList( const char *s, char *completedname, int length, qboolean print_suggestions )
 {
-	search_t		*t;
-	string		matchbuf;
-	int		i, numsaves;
+	string matchbuf;
 
-	t = FS_Search( va( DEFAULT_SAVE_DIRECTORY "%s*.sav", s ), true, true );	// lookup only in gamedir
+	search_t *t = FS_Search( va( DEFAULT_SAVE_DIRECTORY "%s*.sav", s ), true, true );	// lookup only in gamedir
 	if( !t ) return false;
 
 	COM_FileBase( t->filenames[0], matchbuf, sizeof( matchbuf ));
@@ -385,7 +374,8 @@ static qboolean Cmd_GetSavesList( const char *s, char *completedname, int length
 		Q_strncpy( completedname, matchbuf, length );
 	if( t->numfilenames == 1 ) return true;
 
-	for( i = 0, numsaves = 0; i < t->numfilenames; i++ )
+	int numsaves = 0;
+	for( int i = 0; i < t->numfilenames; i++ )
 	{
 		if( Q_stricmp( COM_FileExtension( t->filenames[i] ), "sav" ))
 			continue;
@@ -403,7 +393,7 @@ static qboolean Cmd_GetSavesList( const char *s, char *completedname, int length
 	// cut shortestMatch to the amount common with s
 	if( completedname && length )
 	{
-		for( i = 0; matchbuf[i]; i++ )
+		for( int i = 0; matchbuf[i]; i++ )
 		{
 			if( Q_tolower( completedname[i] ) != Q_tolower( matchbuf[i] ))
 				completedname[i] = 0;
@@ -422,11 +412,9 @@ Prints or complete .cfg filename
 */
 static qboolean Cmd_GetConfigList( const char *s, char *completedname, int length, qboolean print_suggestions )
 {
-	search_t		*t;
-	string		matchbuf;
-	int		i, numconfigs;
+	string matchbuf;
 
-	t = FS_Search( va( "%s*.cfg", s ), true, false );
+	search_t *t = FS_Search( va( "%s*.cfg", s ), true, false );
 	if( !t ) return false;
 
 	COM_FileBase( t->filenames[0], matchbuf, sizeof( matchbuf ));
@@ -434,7 +422,8 @@ static qboolean Cmd_GetConfigList( const char *s, char *completedname, int lengt
 		Q_strncpy( completedname, matchbuf, length );
 	if( t->numfilenames == 1 ) return true;
 
-	for( i = 0, numconfigs = 0; i < t->numfilenames; i++ )
+	int numconfigs = 0;
+	for( int i = 0; i < t->numfilenames; i++ )
 	{
 		if( Q_stricmp( COM_FileExtension( t->filenames[i] ), "cfg" ))
 			continue;
@@ -452,7 +441,7 @@ static qboolean Cmd_GetConfigList( const char *s, char *completedname, int lengt
 	// cut shortestMatch to the amount common with s
 	if( completedname && length )
 	{
-		for( i = 0; matchbuf[i]; i++ )
+		for( int i = 0; matchbuf[i]; i++ )
 		{
 			if( Q_tolower( completedname[i] ) != Q_tolower( matchbuf[i] ))
 				completedname[i] = 0;
@@ -471,11 +460,9 @@ Prints or complete sound filename
 */
 static qboolean Cmd_GetSoundList( const char *s, char *completedname, int length, qboolean print_suggestions )
 {
-	search_t		*t;
-	string		matchbuf;
-	int		i, numsounds;
+	string matchbuf;
 
-	t = FS_Search( va( "%s%s*.*", DEFAULT_SOUNDPATH, s ), true, false );
+	search_t *t = FS_Search( va( "%s%s*.*", DEFAULT_SOUNDPATH, s ), true, false );
 	if( !t ) return false;
 
 	Q_strncpy( matchbuf, t->filenames[0] + sizeof( DEFAULT_SOUNDPATH ) - 1, sizeof( matchbuf ));
@@ -484,7 +471,8 @@ static qboolean Cmd_GetSoundList( const char *s, char *completedname, int length
 		Q_strncpy( completedname, matchbuf, length );
 	if( t->numfilenames == 1 ) return true;
 
-	for(i = 0, numsounds = 0; i < t->numfilenames; i++)
+	int numsounds = 0;
+	for( int i = 0; i < t->numfilenames; i++ )
 	{
 		const char *ext = COM_FileExtension( t->filenames[i] );
 
@@ -505,7 +493,7 @@ static qboolean Cmd_GetSoundList( const char *s, char *completedname, int length
 	// cut shortestMatch to the amount common with s
 	if( completedname && length )
 	{
-		for( i = 0; matchbuf[i]; i++ )
+		for( int i = 0; matchbuf[i]; i++ )
 		{
 			if( Q_tolower( completedname[i] ) != Q_tolower( matchbuf[i] ))
 				completedname[i] = 0;
@@ -525,12 +513,10 @@ Prints or complete item classname (weapons only)
 static qboolean Cmd_GetItemsList( const char *s, char *completedname, int length, qboolean print_suggestions )
 {
 #if !XASH_DEDICATED
-	search_t		*t;
-	string		matchbuf;
-	int		i, numitems;
+	string matchbuf;
 
 	if( !clgame.itemspath[0] ) return false; // not in game yet
-	t = FS_Search( va( "%s/%s*.txt", clgame.itemspath, s ), true, false );
+	search_t *t = FS_Search( va( "%s/%s*.txt", clgame.itemspath, s ), true, false );
 	if( !t ) return false;
 
 	COM_FileBase( t->filenames[0], matchbuf, sizeof( matchbuf ));
@@ -538,7 +524,8 @@ static qboolean Cmd_GetItemsList( const char *s, char *completedname, int length
 		Q_strncpy( completedname, matchbuf, length );
 	if( t->numfilenames == 1 ) return true;
 
-	for( i = 0, numitems = 0; i < t->numfilenames; i++ )
+	int numitems = 0;
+	for( int i = 0; i < t->numfilenames; i++ )
 	{
 		if( Q_stricmp( COM_FileExtension( t->filenames[i] ), "txt" ))
 			continue;
@@ -556,7 +543,7 @@ static qboolean Cmd_GetItemsList( const char *s, char *completedname, int length
 	// cut shortestMatch to the amount common with s
 	if( completedname && length )
 	{
-		for( i = 0; matchbuf[i]; i++ )
+		for( int i = 0; matchbuf[i]; i++ )
 		{
 			if( Q_tolower( completedname[i] ) != Q_tolower( matchbuf[i] ))
 				completedname[i] = 0;
@@ -612,7 +599,6 @@ Autocomplete for bind command
 */
 static qboolean Cmd_GetCommandsAndCvarsList( const char *s, char *completedname, int length, qboolean cmds, qboolean cvars, qboolean toggle, qboolean print_suggestions )
 {
-	size_t i;
 	string matchbuf;
 	con_autocomplete_t list = { 0 }; // local autocomplete list
 
@@ -645,7 +631,7 @@ static qboolean Cmd_GetCommandsAndCvarsList( const char *s, char *completedname,
 
 	qsort( list.cmds, list.matchCount, sizeof( char* ), Con_SortCmds );
 
-	for( i = 0; i < list.matchCount; i++ )
+	for( size_t i = 0; i < list.matchCount; i++ )
 	{
 		Q_strncpy( matchbuf, list.cmds[i], sizeof( matchbuf ));
 		if( print_suggestions )
@@ -657,14 +643,14 @@ static qboolean Cmd_GetCommandsAndCvarsList( const char *s, char *completedname,
 
 	if( completedname && length )
 	{
-		for( i = 0; matchbuf[i]; i++ )
+		for( size_t i = 0; matchbuf[i]; i++ )
 		{
 			if( Q_tolower( completedname[i] ) != Q_tolower( matchbuf[i] ))
 				completedname[i] = 0;
 		}
 	}
 
-	for( i = 0; i < list.matchCount; i++ )
+	for( size_t i = 0; i < list.matchCount; i++ )
 	{
 		if( list.cmds[i] != NULL )
 		{
@@ -709,11 +695,9 @@ Prints or complete .HPK filenames
 */
 static qboolean Cmd_GetCustomList( const char *s, char *completedname, int length, qboolean print_suggestions )
 {
-	search_t		*t;
-	string		matchbuf;
-	int		i, numitems;
+	string matchbuf;
 
-	t = FS_Search( va( "%s*.hpk", s ), true, false );
+	search_t *t = FS_Search( va( "%s*.hpk", s ), true, false );
 	if( !t ) return false;
 
 	COM_FileBase( t->filenames[0], matchbuf, sizeof( matchbuf ));
@@ -721,7 +705,8 @@ static qboolean Cmd_GetCustomList( const char *s, char *completedname, int lengt
 		Q_strncpy( completedname, matchbuf, length );
 	if( t->numfilenames == 1 ) return true;
 
-	for(i = 0, numitems = 0; i < t->numfilenames; i++)
+	int numitems = 0;
+	for( int i = 0; i < t->numfilenames; i++ )
 	{
 		if( Q_stricmp( COM_FileExtension( t->filenames[i] ), "hpk" ))
 			continue;
@@ -739,7 +724,7 @@ static qboolean Cmd_GetCustomList( const char *s, char *completedname, int lengt
 	// cut shortestMatch to the amount common with s
 	if( completedname && length )
 	{
-		for( i = 0; matchbuf[i]; i++ )
+		for( int i = 0; matchbuf[i]; i++ )
 		{
 			if( Q_tolower( completedname[i] ) != Q_tolower( matchbuf[i] ))
 				completedname[i] = 0;
@@ -757,15 +742,14 @@ Prints or complete gamedir name
 */
 static qboolean Cmd_GetGamesList( const char *s, char *completedname, int length, qboolean print_suggestions )
 {
-	int	i, numgamedirs;
-	string	gamedirs[MAX_MODS];
-	string	matchbuf;
-	int	len;
+	string gamedirs[MAX_MODS];
+	string matchbuf;
 
 	// compare gamelist with current keyword
-	len = Q_strlen( s );
+	int len = Q_strlen( s );
 
-	for( i = 0, numgamedirs = 0; i < FI->numgames; i++ )
+	int numgamedirs = 0;
+	for( int i = 0; i < FI->numgames; i++ )
 	{
 		if(( *s == '*' ) || !Q_strnicmp( FI->games[i]->gamefolder, s, len))
 			Q_strncpy( gamedirs[numgamedirs++], FI->games[i]->gamefolder, sizeof( gamedirs[0] ));
@@ -777,7 +761,7 @@ static qboolean Cmd_GetGamesList( const char *s, char *completedname, int length
 		Q_strncpy( completedname, matchbuf, length );
 	if( numgamedirs == 1 ) return true;
 
-	for( i = 0; i < numgamedirs; i++ )
+	for( int i = 0; i < numgamedirs; i++ )
 	{
 		Q_strncpy( matchbuf, gamedirs[i], sizeof( matchbuf ));
 		if( print_suggestions )
@@ -790,7 +774,7 @@ static qboolean Cmd_GetGamesList( const char *s, char *completedname, int length
 	// cut shortestMatch to the amount common with s
 	if( completedname && length )
 	{
-		for( i = 0; matchbuf[i]; i++ )
+		for( int i = 0; matchbuf[i]; i++ )
 		{
 			if( Q_tolower( completedname[i] ) != Q_tolower( matchbuf[i] ))
 				completedname[i] = 0;
@@ -808,10 +792,8 @@ Prints or complete CD command name
 */
 static qboolean Cmd_GetCDList( const char *s, char *completedname, int length, qboolean print_suggestions )
 {
-	int i, numcdcommands;
-	string	cdcommands[8];
-	string	matchbuf;
-	int	len;
+	string cdcommands[8];
+	string matchbuf;
 
 	const char *cd_command[] =
 	{
@@ -826,9 +808,10 @@ static qboolean Cmd_GetCDList( const char *s, char *completedname, int length, q
 	};
 
 	// compare CD command list with current keyword
-	len = Q_strlen( s );
+	int len = Q_strlen( s );
 
-	for( i = 0, numcdcommands = 0; i < 8; i++ )
+	int numcdcommands = 0;
+	for( int i = 0; i < 8; i++ )
 	{
 		if(( *s == '*' ) || !Q_strnicmp( cd_command[i], s, len))
 			Q_strncpy( cdcommands[numcdcommands++], cd_command[i], sizeof( cdcommands[0] ));
@@ -840,7 +823,7 @@ static qboolean Cmd_GetCDList( const char *s, char *completedname, int length, q
 		Q_strncpy( completedname, matchbuf, length );
 	if( numcdcommands == 1 ) return true;
 
-	for( i = 0; i < numcdcommands; i++ )
+	for( int i = 0; i < numcdcommands; i++ )
 	{
 		Q_strncpy( matchbuf, cdcommands[i], sizeof( matchbuf ));
 		if( print_suggestions )
@@ -853,7 +836,7 @@ static qboolean Cmd_GetCDList( const char *s, char *completedname, int length, q
 	// cut shortestMatch to the amount common with s
 	if( completedname && length )
 	{
-		for( i = 0; matchbuf[i]; i++ )
+		for( int i = 0; matchbuf[i]; i++ )
 		{
 			if( Q_tolower( completedname[i] ) != Q_tolower( matchbuf[i] ))
 				completedname[i] = 0;
@@ -864,21 +847,15 @@ static qboolean Cmd_GetCDList( const char *s, char *completedname, int length, q
 
 static qboolean Cmd_CheckMapsList_R( qboolean fRefresh, qboolean onlyingamedir )
 {
-	qboolean	use_filter = false;
-	string	mpfilter;
-	char	*buffer;
-	size_t	buffersize;
-	string	result;
-	int	i, size;
-	search_t	*t;
-	file_t	*f;
+	string mpfilter;
+	string result;
 
 	if( FS_FileSize( "maps.lst", onlyingamedir ) > 0 && !fRefresh )
 		return true; // exist
 
 	// setup mpfilter
 	Q_snprintf( mpfilter, sizeof( mpfilter ), "maps/%s", GI->mp_filter );
-	t = FS_Search( "maps/*.bsp", false, onlyingamedir );
+	search_t *t = FS_Search( "maps/*.bsp", false, onlyingamedir );
 
 	if( !t )
 	{
@@ -890,11 +867,11 @@ static qboolean Cmd_CheckMapsList_R( qboolean fRefresh, qboolean onlyingamedir )
 		return false;
 	}
 
-	buffersize = t->numfilenames * 2 * sizeof( result );
-	buffer = Mem_Calloc( host.mempool, buffersize );
-	use_filter = !COM_StringEmpty( GI->mp_filter );
+	size_t buffersize = t->numfilenames * 2 * sizeof( result );
+	char *buffer = Mem_Calloc( host.mempool, buffersize );
+	qboolean use_filter = !COM_StringEmpty( GI->mp_filter );
 
-	for( i = 0; i < t->numfilenames; i++ )
+	for( int i = 0; i < t->numfilenames; i++ )
 	{
 		char		*ents = NULL, *pfile;
 		int		lumpofs = 0, lumplen = 0;
@@ -906,17 +883,16 @@ static qboolean Cmd_CheckMapsList_R( qboolean fRefresh, qboolean onlyingamedir )
 		if( use_filter && Q_stristr( t->filenames[i], mpfilter ))
 			continue;
 
-		f = FS_Open( t->filenames[i], "rb", onlyingamedir );
+		file_t *f = FS_Open( t->filenames[i], "rb", onlyingamedir );
 		COM_FileBase( t->filenames[i], mapname, sizeof( mapname ));
 
 		if( f )
 		{
 			qboolean    have_spawnpoints = false;
 			dlump_t     entities;
-			fs_offset_t filelen;
 			byte        buf[MAX_SYSPATH] = { 0 };
 
-			filelen = FS_Read( f, buf, MAX_SYSPATH );
+			fs_offset_t filelen = FS_Read( f, buf, MAX_SYSPATH );
 
 			// check all the lumps and some other errors
 			if( !Mod_TestBmodelLumps( f, t->filenames[i], buf, filelen, true, &entities ))
@@ -999,7 +975,7 @@ static qboolean Cmd_CheckMapsList_R( qboolean fRefresh, qboolean onlyingamedir )
 	}
 
 	if( t ) Mem_Free( t ); // free search result
-	size = Q_strlen( buffer );
+	int size = Q_strlen( buffer );
 
 	if( !size )
 	{
@@ -1102,9 +1078,7 @@ for various cmds
 */
 static qboolean Cmd_AutocompleteName( const char *source, int arg, char *buffer, size_t bufsize, qboolean print_suggestions )
 {
-	int i;
-
-	for( i = 0; i < ARRAYSIZE( cmd_list ); i++  )
+	for( int i = 0; i < ARRAYSIZE( cmd_list ); i++  )
 	{
 		if( cmd_list[i].arg == arg && Cmd_CheckName( cmd_list[i].name ))
 			return cmd_list[i].func( source, buffer, bufsize, print_suggestions );
@@ -1150,14 +1124,11 @@ Con_ConcatRemaining
 */
 static void Con_ConcatRemaining( const char *src, const char *start )
 {
-	const char	*arg;
-	int	i;
-
-	arg = Q_strstr( src, start );
+	const char *arg = Q_strstr( src, start );
 
 	if( !arg )
 	{
-		for( i = 1; i < Cmd_Argc(); i++ )
+		for( int i = 1; i < Cmd_Argc(); i++ )
 		{
 			Q_strncat( con.completionField->buffer, " ", sizeof( con.completionField->buffer ) );
 			arg = Cmd_Argv( i );
@@ -1190,11 +1161,7 @@ perform Tab expansion
 */
 void Con_CompleteCommand( field_t *field, qboolean print_suggestions )
 {
-	field_t	temp;
-	string	filename;
 	qboolean toggle = false;
-	qboolean	nextcmd;
-	int	i;
 
 	// setup the completion field
 	con.completionField = field;
@@ -1205,7 +1172,7 @@ void Con_CompleteCommand( field_t *field, qboolean print_suggestions )
 	// only look at the first token for completion purposes
 	Cmd_TokenizeString( con.completionField->buffer );
 
-	nextcmd = (con.completionField->buffer[Q_strlen( con.completionField->buffer ) - 1] == ' ') ? true : false;
+	qboolean nextcmd = (con.completionField->buffer[Q_strlen( con.completionField->buffer ) - 1] == ' ') ? true : false;
 
 	con.completionString = Cmd_Argv( 0 );
 
@@ -1217,7 +1184,7 @@ void Con_CompleteCommand( field_t *field, qboolean print_suggestions )
 		return;
 
 	// free the old autocomplete list
-	for( i = 0; i < con.matchCount; i++ )
+	for( int i = 0; i < con.matchCount; i++ )
 	{
 		if( con.cmds[i] != NULL )
 		{
@@ -1235,7 +1202,7 @@ void Con_CompleteCommand( field_t *field, qboolean print_suggestions )
 
 	if( !con.matchCount ) return; // no matches
 
-	temp = *con.completionField;
+	field_t temp = *con.completionField;
 
 	// autocomplete second arg
 	if(( Cmd_Argc() >= 2 ) || ( Cmd_Argc() == 1 && nextcmd ))
@@ -1249,11 +1216,12 @@ void Con_CompleteCommand( field_t *field, qboolean print_suggestions )
 		if( COM_StringEmpty( con.completionBuffer ) )
 			return;
 
+		string filename;
 		if( Cmd_AutocompleteName( con.completionBuffer, Cmd_Argc() - 1, filename, sizeof( filename ), print_suggestions ))
 		{
 			con.completionField->buffer[0] = 0;
 
-			for( i = 0; i < Cmd_Argc() - 1; i++ )
+			for( int i = 0; i < Cmd_Argc() - 1; i++ )
 			{
 				Q_strncat( con.completionField->buffer, Cmd_Argv( i ), sizeof( con.completionField->buffer ));
 				Q_strncat( con.completionField->buffer, " ", sizeof( con.completionField->buffer ));
@@ -1320,12 +1288,11 @@ NOTE: input string must be equal or longer than MAX_STRING
 */
 void Cmd_AutoComplete( char *complete_string )
 {
-	field_t	input;
-
 	if( !complete_string || !*complete_string )
 		return;
 
 	// setup input
+	field_t input;
 	Q_strncpy( input.buffer, complete_string, sizeof( input.buffer ) );
 	input.cursor = input.scroll = 0;
 
@@ -1345,10 +1312,8 @@ Cmd_AutoCompleteClear
 */
 void Cmd_AutoCompleteClear( void )
 {
-	int i;
-
 	// free the old autocomplete list
-	for( i = 0; i < con.matchCount; i++ )
+	for( int i = 0; i < con.matchCount; i++ )
 	{
 		if( con.cmds[i] != NULL )
 		{
@@ -1377,15 +1342,13 @@ static void Cmd_WriteOpenGLCvar( const char *name, const char *string, const cha
 
 static void Cmd_WriteHelp(const char *name, const char *unused, const char *desc, void *f )
 {
-	int	length;
-
 	if( COM_StringEmptyOrNULL( desc ))
 		return; // ignore fantom cmds
 
 	if( name[0] == '+' || name[0] == '-' )
 		return; // key bindings
 
-	length = 3 - (Q_strlen( name ) / 10); // Asm_Ed default tab stop is 10
+	int length = 3 - (Q_strlen( name ) / 10); // Asm_Ed default tab stop is 10
 
 	if( length == 3 ) FS_Printf( f, "%s\t\t\t\"%s\"\n", name, desc );
 	if( length == 2 ) FS_Printf( f, "%s\t\t\"%s\"\n", name, desc );
@@ -1431,14 +1394,13 @@ Writes key bindings and archived cvars to config.cfg
 */
 void Host_WriteConfig( void )
 {
-	kbutton_t	*mlook = NULL;
-	kbutton_t	*jlook = NULL;
-	file_t	*f;
+	kbutton_t *mlook = NULL;
+	kbutton_t *jlook = NULL;
 
 	if( !clgame.hInstance || Sys_CheckParm( "-nowriteconfig" ) ) return;
 
 
-	f = FS_Open( "config.cfg.new", "w", false );
+	file_t *f = FS_Open( "config.cfg.new", "w", false );
 	if( f )
 	{
 		Con_Reportf( "%s()\n", __func__ );
@@ -1479,11 +1441,11 @@ save serverinfo variables into server.cfg (using for dedicated server too)
 */
 void GAME_EXPORT Host_WriteServerConfig( const char *name )
 {
-	file_t	*f;
 	string newconfigfile;
 
 	Q_snprintf( newconfigfile, MAX_STRING, "%s.new", name );
 
+	file_t *f;
 	if(( f = FS_Open( newconfigfile, "w", false )) != NULL )
 	{
 		Host_InitializeConfig( f, "game.cfg", "multiplayer server temporary config" );
@@ -1504,21 +1466,18 @@ save opengl variables into opengl.cfg
 */
 void Host_WriteOpenGLConfig( void )
 {
-	const char *config_name;
-	string name;
-	file_t	*f;
-
 	if( Sys_CheckParm( "-nowriteconfig" ) || !ref.dllFuncs.R_GetConfigName )
 		return;
 
-	config_name = ref.dllFuncs.R_GetConfigName();
+	const char *config_name = ref.dllFuncs.R_GetConfigName();
 
 	if( !config_name )
 		return;
 
+	string name;
 	Q_snprintf( name, sizeof( name ), "%s.cfg", config_name );
 
-	f = FS_Open( va( "%s.new", name ), "w", false );
+	file_t *f = FS_Open( va( "%s.new", name ), "w", false );
 	if( f )
 	{
 		Con_Reportf( "%s()\n", __func__ );
@@ -1539,12 +1498,10 @@ save render variables into video.cfg
 */
 void Host_WriteVideoConfig( void )
 {
-	file_t	*f;
-
 	if( Sys_CheckParm( "-nowriteconfig" ) )
 		return;
 
-	f = FS_Open( "video.cfg.new", "w", false );
+	file_t *f = FS_Open( "video.cfg.new", "w", false );
 	if( f )
 	{
 		Con_Reportf( "%s()\n", __func__ );
@@ -1558,8 +1515,6 @@ void Host_WriteVideoConfig( void )
 
 void Key_EnumCmds_f( void )
 {
-	file_t	*f;
-
 	FS_AllowDirectPaths( true );
 	if( FS_FileExists( "../help.txt", false ))
 	{
@@ -1568,7 +1523,7 @@ void Key_EnumCmds_f( void )
 		return;
 	}
 
-	f = FS_Open( "../help.txt", "w", false );
+	file_t *f = FS_Open( "../help.txt", "w", false );
 	if( f )
 	{
 		Host_InitializeConfig( f, "help.txt", "xash commands and console variables" );

engine/common/custom.c

@@ -51,10 +51,9 @@ static qboolean CustomDecal_Validate( const char *path, void *raw, int nFileSize
 
 void COM_ClearCustomizationList( customization_t *pHead, qboolean bCleanDecals )
 {
-	customization_t	*pCurrent;
 	customization_t	*pNext;
 
-	for( pCurrent = pHead->pNext; pCurrent != NULL; pCurrent = pNext )
+	for( customization_t *pCurrent = pHead->pNext; pCurrent != NULL; pCurrent = pNext )
 	{
 		pNext = pCurrent->pNext;
 
@@ -82,12 +81,10 @@ void COM_ClearCustomizationList( customization_t *pHead, qboolean bCleanDecals )
 qboolean COM_CreateCustomization( customization_t *pListHead, resource_t *pResource, int playernumber, int flags, customization_t **pOut, int *nLumps )
 {
 	qboolean		bError = false;
-	fs_offset_t		checksize = 0;
-	customization_t	*pCust;
 
 	if( pOut ) *pOut = NULL;
 
-	pCust = Z_Calloc( sizeof( customization_t ));
+	customization_t	*pCust = Z_Calloc( sizeof( customization_t ));
 	pCust->resource = *pResource;
 
 	if( pResource->nDownloadSize <= 0 )
@@ -102,7 +99,7 @@ qboolean COM_CreateCustomization( customization_t *pListHead, resource_t *pResou
 	}
 	else
 	{
-
+		fs_offset_t		checksize = 0;
 		pCust->pBuffer = FS_LoadFile( pResource->szFileName, &checksize, true );
 		if( (int)checksize != pCust->resource.nDownloadSize )
 			bError = true;
@@ -158,11 +155,10 @@ CustomizationError:
 int COM_SizeofResourceList( resource_t *pList, resourceinfo_t *ri )
 {
 	int		nSize = 0;
-	resource_t	*p;
 
 	memset( ri, 0, sizeof( *ri ));
 
-	for( p = pList->pNext; p != pList; p = p->pNext )
+	for( resource_t *p = pList->pNext; p != pList; p = p->pNext )
 	{
 		nSize += p->nDownloadSize;
 

engine/common/cvar.c

@@ -70,12 +70,10 @@ find the specified variable by name
 */
 convar_t *Cvar_FindVar( const char *var_name )
 {
-	convar_t *var;
-
 	if( !var_name )
 		return NULL;
 
-	var = BaseCmd_Find( HM_CVAR, var_name );
+	convar_t *var = BaseCmd_Find( HM_CVAR, var_name );
 
 	// HACKHACK: HL25 compatibility
 	if( !var && !Q_stricmp( var_name, "gl_widescreen_yfov" ))
@@ -190,10 +188,9 @@ deal with userinfo etc
 */
 static const char *Cvar_ValidateString( convar_t *var, const char *value )
 {
-	const char	*pszValue;
 	static char	szNew[MAX_STRING];
+	const char	*pszValue = value;
 
-	pszValue = value;
 	szNew[0] = 0;
 
 	// this cvar's string must only contain printable characters.
@@ -283,14 +280,11 @@ unlink the variable
 static int Cvar_UnlinkVar( const char *var_name, uint32_t group )
 {
 	int	count = 0;
-	convar_t	**prev;
-	convar_t	*var;
-
-	prev = &cvar_vars;
+	convar_t	**prev = &cvar_vars;
 
 	while( 1 )
 	{
-		var = *prev;
+		convar_t *var = *prev;
 		if( !var ) break;
 
 		// do filter by name
@@ -358,13 +352,11 @@ Cvar_LookupVars
 */
 void Cvar_LookupVars( int checkbit, void *buffer, void *ptr, setpair_t callback )
 {
-	convar_t	*var;
-
 	// nothing to process ?
 	if( !callback ) return;
 
 	// force checkbit to 0 for lookup all cvars
-	for( var = cvar_vars; var; var = var->next )
+	for( convar_t *var = cvar_vars; var; var = var->next )
 	{
 		if( checkbit && !FBitSet( var->flags, checkbit ))
 			continue;
@@ -627,8 +619,6 @@ Cvar_Set2
 */
 static convar_t *Cvar_Set2( const char *var_name, const char *value )
 {
-	convar_t	*var;
-	qboolean	dll_variable = false;
 	qboolean	force = false;
 
 	if( !Cvar_ValidateVarName( var_name, false ))
@@ -637,7 +627,7 @@ static convar_t *Cvar_Set2( const char *var_name, const char *value )
 		return NULL;
 	}
 
-	var = Cvar_FindVar( var_name );
+	convar_t *var = Cvar_FindVar( var_name );
 	if( !var )
 	{
 		// if cvar not found, create it
@@ -663,7 +653,7 @@ static convar_t *Cvar_Set2( const char *var_name, const char *value )
 
 	// use this check to prevent acessing for unexisting fields
 	// for cvar_t: latched_string, description, etc
-	dll_variable = FBitSet( var->flags, FCVAR_EXTDLL );
+	qboolean dll_variable = FBitSet( var->flags, FCVAR_EXTDLL );
 
 	// check value
 	if( !value )
@@ -782,8 +772,6 @@ Cvar_Set
 */
 void GAME_EXPORT Cvar_Set( const char *var_name, const char *value )
 {
-	convar_t	*var;
-
 	if( !var_name )
 	{
 		// there is an error in C code if this happens
@@ -791,7 +779,7 @@ void GAME_EXPORT Cvar_Set( const char *var_name, const char *value )
 		return;
 	}
 
-	var = Cvar_FindVar( var_name );
+	convar_t *var = Cvar_FindVar( var_name );
 
 	if( !var )
 	{
@@ -836,8 +824,6 @@ Cvar_VariableValue
 */
 float GAME_EXPORT Cvar_VariableValue( const char *var_name )
 {
-	convar_t	*var;
-
 	if( !var_name )
 	{
 		// there is an error in C code if this happens
@@ -845,7 +831,7 @@ float GAME_EXPORT Cvar_VariableValue( const char *var_name )
 		return 0.0f;
 	}
 
-	var = Cvar_FindVar( var_name );
+	convar_t *var = Cvar_FindVar( var_name );
 	if( !var ) return 0.0f;
 
 	return Q_atof( var->string );
@@ -858,9 +844,7 @@ Cvar_VariableInteger
 */
 int Cvar_VariableInteger( const char *var_name )
 {
-	convar_t	*var;
-
-	var = Cvar_FindVar( var_name );
+	convar_t *var = Cvar_FindVar( var_name );
 	if( !var ) return 0;
 
 	return Q_atoi( var->string );
@@ -873,8 +857,6 @@ Cvar_VariableString
 */
 const char *Cvar_VariableString( const char *var_name )
 {
-	convar_t	*var;
-
 	if( !var_name )
 	{
 		// there is an error in C code if this happens
@@ -882,7 +864,7 @@ const char *Cvar_VariableString( const char *var_name )
 		return "";
 	}
 
-	var = Cvar_FindVar( var_name );
+	convar_t *var = Cvar_FindVar( var_name );
 	if( !var ) return "";
 
 	return var->string;
@@ -909,10 +891,8 @@ Any testing variables will be reset to the safe values
 */
 void Cvar_SetCheatState( void )
 {
-	convar_t	*var;
-
 	// set all default vars to the safe value
-	for( var = cvar_vars; var; var = var->next )
+	for( convar_t *var = cvar_vars; var; var = var->next )
 	{
 		// can't process dll cvars - missed def_string
 		if( !FBitSet( var->flags, FCVAR_ALLOCATED|FCVAR_EXTENDED ))
@@ -959,7 +939,6 @@ static int ShouldSetCvar_splitstr_handler( char *prev, char *next, void *userdat
 static qboolean Cvar_ShouldSetCvar( convar_t *v, qboolean isPrivileged )
 {
 	const char *prefixes[] = { "cl_", "gl_", "m_", "r_", "hud_", "joy_", "con_", "scr_" };
-	int i;
 
 	if( isPrivileged )
 		return true;
@@ -981,7 +960,7 @@ static qboolean Cvar_ShouldSetCvar( convar_t *v, qboolean isPrivileged )
 	if( FBitSet( v->flags, FCVAR_FILTERABLE ))
 		return false;
 
-	for( i = 0; i < ARRAYSIZE( prefixes ); i++ )
+	for( int i = 0; i < ARRAYSIZE( prefixes ); i++ )
 	{
 		if( !Q_strnicmp( v->name, prefixes[i], Q_strlen( prefixes[i] )))
 			return false;
@@ -1046,9 +1025,7 @@ with the specified flag set to true.
 */
 void Cvar_WriteVariables( file_t *f, int group )
 {
-	convar_t	*var;
-
-	for( var = cvar_vars; var; var = var->next )
+	for( convar_t *var = cvar_vars; var; var = var->next )
 	{
 		if( FBitSet( var->flags, group ))
 			FS_Printf( f, "%s \"%s\"\n", var->name, var->string );
@@ -1064,15 +1041,13 @@ Toggles a cvar for easy single key binding
 */
 static void Cvar_Toggle_f( void )
 {
-	int	v;
-
 	if( Cmd_Argc() != 2 )
 	{
 		Con_Printf( S_USAGE "toggle <variable>\n" );
 		return;
 	}
 
-	v = !Cvar_VariableInteger( Cmd_Argv( 1 ));
+	int v = !Cvar_VariableInteger( Cmd_Argv( 1 ));
 
 	Cvar_Set( Cmd_Argv( 1 ), v ? "1" : "0" );
 }
@@ -1087,10 +1062,10 @@ weren't declared in C code.
 */
 static void Cvar_Set_f( void )
 {
-	int	i, c, l = 0, len;
 	char	combined[MAX_CMD_TOKENS];
+	int	l = 0;
 
-	c = Cmd_Argc();
+	int c = Cmd_Argc();
 	if( c < 3 )
 	{
 		Msg( S_USAGE "set <variable> <value>\n" );
@@ -1098,9 +1073,9 @@ static void Cvar_Set_f( void )
 	}
 	combined[0] = 0;
 
-	for( i = 2; i < c; i++ )
+	for( int i = 2; i < c; i++ )
 	{
-		len = Q_strlen( Cmd_Argv(i) + 1 );
+		int len = Q_strlen( Cmd_Argv(i) + 1 );
 		if( l + len >= MAX_CMD_TOKENS - 2 )
 			break;
 		Q_strncat( combined, Cmd_Argv( i ), sizeof( combined ));
@@ -1134,7 +1109,6 @@ Cvar_List_f
 */
 static void Cvar_List_f( void )
 {
-	convar_t	*var;
 	const char	*match = NULL;
 	int	count = 0;
 	size_t	matchlen = 0;
@@ -1145,10 +1119,9 @@ static void Cvar_List_f( void )
 		matchlen = Q_strlen( match );
 	}
 
-	for( var = cvar_vars; var; var = var->next )
+	for( convar_t *var = cvar_vars; var; var = var->next )
 	{
 		char value[MAX_VA_STRING];
-		char *p;
 
 		if( var->name[0] == '@' )
 			continue;	// never shows system cvars
@@ -1156,7 +1129,7 @@ static void Cvar_List_f( void )
 		if( match && !Q_strnicmpext( match, var->name, matchlen ))
 			continue;
 
-		p = Q_strchr( var->string, '^' );
+		char *p = Q_strchr( var->string, '^' );
 
 		if( IsColorString( p ))
 			Q_snprintf( value, sizeof( value ), "\"%s\"", var->string );
@@ -1195,12 +1168,10 @@ unlink all cvars with specified flag
 */
 void Cvar_Unlink( uint32_t group )
 {
-	int	count;
-
 	if( !Cvar_ValidateUnlinkGroup( group ))
 		return;
 
-	count = Cvar_UnlinkVar( NULL, group );
+	int count = Cvar_UnlinkVar( NULL, group );
 	Con_Reportf( "unlink %i cvars\n", count );
 }
 
@@ -1208,18 +1179,14 @@ pending_cvar_t *Cvar_PrepareToUnlink( uint32_t group )
 {
 	pending_cvar_t *list = NULL;
 	pending_cvar_t *tail = NULL;
-	convar_t *cv;
 
-	for( cv = cvar_vars; cv != NULL; cv = cv->next )
+	for( convar_t *cv = cvar_vars; cv != NULL; cv = cv->next )
 	{
-		size_t namelen;
-		pending_cvar_t *p;
-
 		if( !FBitSet( cv->flags, group ))
 			continue;
 
-		namelen = Q_strlen( cv->name ) + 1;
-		p = Mem_Malloc( cvar_pool, sizeof( *list ) + namelen );
+		size_t namelen = Q_strlen( cv->name ) + 1;
+		pending_cvar_t *p = Mem_Malloc( cvar_pool, sizeof( *list ) + namelen );
 		p->next = NULL;
 		p->cv_cur = cv;
 		p->cv_next = cv->next;
@@ -1295,7 +1262,7 @@ Reads in all archived cvars
 */
 void Cvar_Init( void )
 {
-	cvar_pool = Mem_AllocPool( "Console Variables" );
+	cvar_pool = Mem_AllocPoolExt( "Console Variables", MEM_SMALL_ALLOC_OPT );
 	cvar_vars = NULL;
 	cvar_active_filter_quirks = NULL;
 	Cvar_RegisterVariable( &cmd_scripting );
@@ -1320,9 +1287,7 @@ Cvar_PostFSInit
 */
 void Cvar_PostFSInit( void )
 {
-	int i;
-
-	for( i = 0; i < ARRAYSIZE( cvar_filter_quirks ); i++ )
+	for( int i = 0; i < ARRAYSIZE( cvar_filter_quirks ); i++ )
 	{
 		if( !Q_stricmp( cvar_filter_quirks[i].gamedir, GI->gamefolder ))
 		{

engine/common/dedicated.c

@@ -35,9 +35,7 @@ const char *CL_MsgInfo( int cmd )
 	}
 	else if( cmd > svc_lastmsg && cmd <= ( svc_lastmsg + MAX_USER_MESSAGES ))
 	{
-		int	i;
-
-		for( i = 0; i < MAX_USER_MESSAGES; i++ )
+		for( int i = 0; i < MAX_USER_MESSAGES; i++ )
 		{
 			if( svgame.msg[i].number == cmd )
 			{

engine/common/filesystem_engine.c

@@ -70,9 +70,7 @@ byte *FS_LoadDirectFile( const char *path, fs_offset_t *filesizeptr )
 
 static void COM_StripDirectorySlash( char *pname )
 {
-	size_t len;
-
-	len = Q_strlen( pname );
+	size_t len = Q_strlen( pname );
 	if( len > 0 && pname[len - 1] == '/' )
 		pname[len - 1] = 0;
 }
@@ -128,7 +126,6 @@ static void FS_LoadVFSConfig( const char *gamedir )
 
 void FS_SaveVFSConfig( void )
 {
-	file_t *f;
 	const qboolean force_save = !FS_FileExists( "vfs.cfg", true );
 
 	if( !force_save && !FBitSet( fs_mount_hd.flags|fs_mount_lv.flags|fs_mount_l10n.flags|fs_mount_addon.flags|ui_language.flags, FCVAR_CHANGED ))
@@ -139,7 +136,7 @@ void FS_SaveVFSConfig( void )
 
 	Con_Printf( "%s()\n", __func__ );
 
-	f = FS_Open( "vfs.cfg.new", "w", true );
+	file_t *f = FS_Open( "vfs.cfg.new", "w", true );
 	if( !f )
 	{
 		Con_Printf( S_ERROR "%s: can't open %s for write\n", __func__, "vfs.cfg.new" );
@@ -219,7 +216,6 @@ static void FS_UnloadProgs( void )
 static qboolean FS_LoadProgs( void )
 {
 	const char *name = FILESYSTEM_STDIO_DLL;
-	FSAPI GetFSAPI;
 
 	fs_hInstance = COM_LoadLibrary( name, false, true );
 
@@ -229,6 +225,7 @@ static qboolean FS_LoadProgs( void )
 		return false;
 	}
 
+	FSAPI GetFSAPI;
 	if( !( GetFSAPI = (FSAPI)COM_GetProcAddress( fs_hInstance, GET_FS_API )))
 	{
 		FS_UnloadProgs();

engine/common/host.c

@@ -121,7 +121,6 @@ static void Host_MakeVersionString( char *out, size_t len )
 static void Host_PrintUsage( const char *exename )
 {
 	string version_str;
-	const char *usage_str;
 
 	Host_MakeVersionString( version_str, sizeof( version_str ));
 
@@ -136,7 +135,7 @@ static void Host_PrintUsage( const char *exename )
 #endif
 #define O( x, y ) "  "x"  "y"\n"
 
-	usage_str = S_USAGE XASH_EXE " [options] [+command] [+command2 arg] ...\n"
+	const char *usage_str = S_USAGE XASH_EXE " [options] [+command] [+command2 arg] ...\n"
 
 "\nCommon options:\n"
 	O("-dev [level]       ", "set log verbosity 0-2")
@@ -235,12 +234,11 @@ static void Host_PrintBugcompUsage( const char *exename )
 	string version_str;
 	char usage_str[4096];
 	char *p = usage_str;
-	int i;
 
 	Host_MakeVersionString( version_str, sizeof( version_str ));
 
 	p += Q_snprintf( p, sizeof( usage_str ) - ( usage_str - p ), "Known bugcomp flags are:\n" );
-	for( i = 0; i < ARRAYSIZE( bugcomp_features ); i++ )
+	for( int i = 0; i < ARRAYSIZE( bugcomp_features ); i++ )
 		p += Q_snprintf( p, sizeof( usage_str ) - ( usage_str - p ), "   %s: %s\n", bugcomp_features[i].arg, bugcomp_features[i].msg );
 	p += Q_snprintf( p, sizeof( usage_str ) - ( usage_str - p ), "\nIt is possible to combine multiple flags with '+' characters.\nExample: -bugcomp flag1+flag2+flag3...\n" );
 
@@ -262,9 +260,7 @@ Host_PrintEngineFeatures
 */
 static void Host_PrintFeatures( uint32_t flags, const char *s, const feature_message_t *features, size_t size )
 {
-	size_t i;
-
-	for( i = 0; i < size; i++ )
+	for( size_t i = 0; i < size; i++ )
 	{
 		if( FBitSet( flags, features[i].mask ))
 			Con_Printf( "^3%s:^7 %s is enabled\n", s, features[i].msg );
@@ -340,7 +336,6 @@ static int Host_CalcSleep( void )
 		if( sv_hibernate_when_empty.value )
 		{
 			int players, bots;
-
 			SV_GetPlayerCount( &players, &bots );
 
 			if( sv_hibernate_when_empty_include_bots.value )
@@ -423,14 +418,13 @@ Host_RegisterDecal
 */
 static qboolean Host_RegisterDecal( const char *name, int *count )
 {
-	char	shortname[MAX_QPATH];
-	int	i;
-
 	if( COM_StringEmptyOrNULL( name ))
 		return 0;
 
+	char shortname[MAX_QPATH];
 	COM_FileBase( name, shortname, sizeof( shortname ));
 
+	int i;
 	for( i = 1; i < MAX_DECALS && host.draw_decals[i][0]; i++ )
 	{
 		if( !Q_stricmp( host.draw_decals[i], shortname ))
@@ -457,15 +451,14 @@ Host_InitDecals
 */
 static void Host_InitDecals( void )
 {
-	int	i, num_decals = 0;
-	search_t	*t;
+	int num_decals = 0;
 
 	memset( host.draw_decals, 0, sizeof( host.draw_decals ));
 
 	// lookup all the decals in decals.wad (basedir, gamedir, falldir)
-	t = FS_Search( "decals.wad/*.*", true, false );
+	search_t *t = FS_Search( "decals.wad/*.*", true, false );
 
-	for( i = 0; t && i < t->numfilenames; i++ )
+	for( int i = 0; t && i < t->numfilenames; i++ )
 	{
 		if( !Host_RegisterDecal( t->filenames[i], &num_decals ))
 			break;
@@ -484,8 +477,7 @@ Add them exactly as if they had been typed at the console
 */
 static void Host_GetCommands( void )
 {
-	char	*cmd;
-
+	char *cmd;
 	while( ( cmd = Platform_Input() ) )
 	{
 		Cbuf_AddText( cmd );
@@ -541,7 +533,6 @@ static double Host_CalcFPS( void )
 static qboolean Host_Autosleep( double dt, double scale )
 {
 	double targetframetime;
-	int sleep;
 	double fps = Host_CalcFPS();
 
 	if( fps <= 0 )
@@ -555,7 +546,7 @@ static qboolean Host_Autosleep( double dt, double scale )
 	else
 		targetframetime = ( 1.0 / fps );
 
-	sleep = Host_CalcSleep();
+	int sleep = Host_CalcSleep();
 	if( sleep <= 0 ) // no sleeps between frames, much simpler code
 	{
 		if( dt < targetframetime * scale )
@@ -627,11 +618,10 @@ Returns false if the time is too short to run a frame
 static qboolean Host_FilterTime( double time )
 {
 	static double	oldtime;
-	double dt;
 	double scale = sys_timescale.value;
 
 	host.realtime += time * scale;
-	dt = host.realtime - oldtime;
+	double dt = host.realtime - oldtime;
 
 	// clamp the fps in multiplayer games
 	if( !Host_Autosleep( dt, scale ))
@@ -657,13 +647,11 @@ Host_Frame
 */
 void Host_Frame( double time )
 {
-	double t1;
-
 	// decide the simulation time
 	if( !Host_FilterTime( time ))
 		return;
 
-	t1 = Platform_DoubleTime();
+	double t1 = Platform_DoubleTime();
 
 	if( host.framecount == 0 )
 		Con_DPrintf( "Time to first frame: %.3f seconds\n", t1 - host.starttime );
@@ -700,29 +688,32 @@ void GAME_EXPORT Host_Error( const char *error, ... )
 	if( host.framecount < 3 )
 	{
 		Sys_Error( "%sInit: %s", __func__, hosterror1 );
-	}
-	else if( host.framecount == host.errorframe )
-	{
-		Sys_Error( "%sMulti: %s", __func__, hosterror2 );
-	}
-	else
-	{
-		Con_Printf( S_RED "%s" S_DEFAULT ": %s", __func__, hosterror1 );
-		if( host_developer.value )
-		{
-			UI_SetActiveMenu( false );
-			Key_SetKeyDest( key_console );
-		}
-		else Platform_MessageBox( "Host Error", hosterror1, true );
+		return;
 	}
 
+	if( host.framecount == host.errorframe )
+	{
+		Sys_Error( "%sMulti: %s", __func__, hosterror2 );
+		return;
+	}
+
+	Con_Printf( S_RED "%s" S_DEFAULT ": %s", __func__, hosterror1 );
+	if( host_developer.value )
+	{
+		UI_SetActiveMenu( false );
+		Key_SetKeyDest( key_console );
+	}
+	else Platform_MessageBox( "Host Error", hosterror1, true );
+
 	// host is shutting down. don't invoke infinite loop
-	if( host.status == HOST_SHUTDOWN ) return;
+	if( host.status == HOST_SHUTDOWN || host.status == HOST_ERR_FATAL )
+		return;
 
 	if( recursive )
 	{
 		Con_Printf( S_RED "%sRecursive" S_DEFAULT ": %s", __func__, hosterror2 );
 		Sys_Error( "%s", hosterror1 );
+		return;
 	}
 
 	recursive = true;
@@ -987,7 +978,7 @@ Host_InitCommon
 static void Host_InitCommon( int argc, char **argv, const char *progname, qboolean bChangeGame, char *exename, size_t exename_size )
 {
 	const char *basedir = progname[0] == '#' ? progname + 1 : progname;
-	int ticrate, developer = DEFAULT_DEV;
+	int developer = DEFAULT_DEV;
 
 	// some commands may turn engine into infinite loop,
 	// e.g. xash.exe +game xash -game xash
@@ -1066,6 +1057,7 @@ static void Host_InitCommon( int argc, char **argv, const char *progname, qboole
 	Cvar_DirectSetValue( &host_developer, developer );
 	Cvar_RegisterVariable( &sys_ticrate );
 
+	int ticrate;
 	if( Sys_GetIntFromCmdLine( "-sys_ticrate", &ticrate ))
 		Cvar_DirectSetValue( &sys_ticrate, bound( MIN_FPS, ticrate, MAX_FPS_HARD ));
 
@@ -1089,10 +1081,8 @@ static void Host_InitCommon( int argc, char **argv, const char *progname, qboole
 	// print current developer level to simplify processing users feedback
 	if( developer > 0 )
 	{
-		int i;
-
 		Con_Printf( "Program args: " S_YELLOW );
-		for( i = 0; i < host.argc; i++ )
+		for( int i = 0; i < host.argc; i++ )
 			Con_Printf( "%s ", host.argv[i] );
 		Con_Printf( S_DEFAULT "\n" );
 
@@ -1155,7 +1145,7 @@ Host_Main
 int EXPORT Host_Main( int argc, char **argv, const char *progname, int bChangeGame, pfnChangeGame pChangeGame )
 {
 	static double oldtime;
-	string demoname, exename;
+	string exename;
 
 	if( setjmp( return_from_main_buf ))
 		return error_on_exit;
@@ -1284,6 +1274,7 @@ int EXPORT Host_Main( int argc, char **argv, const char *progname, int bChangeGa
 	IN_GyroCheckAvailability();
 #endif
 
+	string demoname;
 	if( Sys_GetParmFromCmdLine( "-timedemo", demoname ))
 		Cbuf_AddTextf( "timedemo %s\n", demoname );
 

engine/common/host_state.c

@@ -193,14 +193,13 @@ void Host_AbortCurrentFrame( void )
 
 void COM_Frame( double time )
 {
-	int	loopCount = 0;
-
 	if( setjmp( g_abortframe ))
 		return;
 
+	int loopCount = 0;
 	while( 1 )
 	{
-		int	oldState = GameState->curstate;
+		int oldState = GameState->curstate;
 
 		// execute the current state (and transition to the next state if not in STATE_RUNFRAME)
 		switch( GameState->curstate )

engine/common/hpak.c

@@ -67,9 +67,8 @@ static inline void HPAK_ResourceFromCompat( resource_t *dest, dresource_t *src )
 
 static void HPAK_AddToQueue( const char *name, resource_t *pResource, void *data, file_t *f )
 {
-	hash_pack_queue_t	*p;
+	hash_pack_queue_t	*p = Z_Malloc( sizeof( hash_pack_queue_t ));
 
-	p = Z_Malloc( sizeof( hash_pack_queue_t ));
 	p->name = copystring( name );
 	p->resource = *pResource;
 	p->size = pResource->nDownloadSize;
@@ -85,9 +84,7 @@ static void HPAK_AddToQueue( const char *name, resource_t *pResource, void *data
 
 void HPAK_FlushHostQueue( void )
 {
-	hash_pack_queue_t	*p;
-
-	for( p = gp_hpak_queue; p != NULL; p = gp_hpak_queue )
+	for( hash_pack_queue_t *p = gp_hpak_queue; p != NULL; p = gp_hpak_queue )
 	{
 		gp_hpak_queue = p->next;
 		HPAK_AddLump( false, p->name, &p->resource, p->data, NULL );
@@ -100,10 +97,8 @@ void HPAK_FlushHostQueue( void )
 
 static void HPAK_CreatePak( const char *filename, resource_t *pResource, byte *pData, file_t *fin )
 {
-	int		filelocation;
 	string		pakname;
 	byte		md5[16];
-	file_t		*fout;
 	MD5Context_t	ctx = { 0 };
 
 	if( COM_StringEmptyOrNULL( filename ))
@@ -117,7 +112,7 @@ static void HPAK_CreatePak( const char *filename, resource_t *pResource, byte *p
 
 	Con_Printf( "creating HPAK %s.\n", pakname );
 
-	fout = FS_Open( pakname, "wb", true );
+	file_t *fout = FS_Open( pakname, "wb", true );
 	if( !fout )
 	{
 		Con_DPrintf( S_ERROR "%s: can't write %s.\n", __func__, pakname );
@@ -129,11 +124,9 @@ static void HPAK_CreatePak( const char *filename, resource_t *pResource, byte *p
 
 	if( pData == NULL )
 	{
-		byte *temp;
+		int filelocation = FS_Tell( fin );
+		byte *temp = Z_Malloc( pResource->nDownloadSize );
 
-		// there are better ways
-		filelocation = FS_Tell( fin );
-		temp = Z_Malloc( pResource->nDownloadSize );
 		FS_Read( fin, temp, pResource->nDownloadSize );
 		FS_Seek( fin, filelocation, SEEK_SET );
 		MD5Update( &ctx, temp, pResource->nDownloadSize );
@@ -173,7 +166,7 @@ static void HPAK_CreatePak( const char *filename, resource_t *pResource, byte *p
 		FS_Write( fout, pData, hash_pack_info.entries[0].disksize );
 	}
 
-	filelocation = FS_Tell( fout );
+	int filelocation = FS_Tell( fout );
 	FS_Write( fout, &hash_pack_info.count, sizeof( hash_pack_info.count ));
 	FS_Write( fout, &hash_pack_info.entries[0], sizeof( hpak_lump_t ));
 
@@ -189,9 +182,7 @@ static void HPAK_CreatePak( const char *filename, resource_t *pResource, byte *p
 
 static qboolean HPAK_FindResource( hpak_info_t *hpk, byte *hash, resource_t *pResource )
 {
-	int	i;
-
-	for( i = 0; i < hpk->count; i++ )
+	for( int i = 0; i < hpk->count; i++ )
 	{
 		if( !memcmp( hpk->entries[i].resource.rgucMD5_hash, hash, 16 ))
 		{
@@ -206,12 +197,9 @@ static qboolean HPAK_FindResource( hpak_info_t *hpk, byte *hash, resource_t *pRe
 
 void HPAK_AddLump( qboolean bUseQueue, const char *name, resource_t *pResource, byte *pData, file_t *pFile )
 {
-	int		i, j, position, length;
 	hpak_lump_t	*pCurrentEntry = NULL;
 	string		srcname, dstname;
 	hpak_info_t	srcpak, dstpak;
-	file_t		*file_src;
-	file_t		*file_dst;
 	byte		md5[16];
 	MD5Context_t	ctx = { 0 };
 
@@ -229,11 +217,9 @@ void HPAK_AddLump( qboolean bUseQueue, const char *name, resource_t *pResource,
 
 	if( !pData )
 	{
-		byte		*temp;
+		int position = FS_Tell( pFile );
+		byte *temp = Z_Malloc( pResource->nDownloadSize );
 
-		// there are better ways
-		position = FS_Tell( pFile );
-		temp = Z_Malloc( pResource->nDownloadSize );
 		FS_Read( pFile, temp, pResource->nDownloadSize );
 		FS_Seek( pFile, position, SEEK_SET );
 		MD5Update( &ctx, temp, pResource->nDownloadSize );
@@ -261,7 +247,7 @@ void HPAK_AddLump( qboolean bUseQueue, const char *name, resource_t *pResource,
 	Q_strncpy( srcname, name, sizeof( srcname ));
 	COM_ReplaceExtension( srcname, ".hpk", sizeof( srcname ));
 
-	file_src = FS_Open( srcname, "rb", true );
+	file_t *file_src = FS_Open( srcname, "rb", true );
 
 	if( !file_src )
 	{
@@ -273,7 +259,7 @@ void HPAK_AddLump( qboolean bUseQueue, const char *name, resource_t *pResource,
 	Q_strncpy( dstname, srcname, sizeof( dstname ));
 	COM_ReplaceExtension( dstname, ".hp2", sizeof( dstname ));
 
-	file_dst = FS_Open( dstname, "wb", true );
+	file_t *file_dst = FS_Open( dstname, "wb", true );
 
 	if( !file_dst )
 	{
@@ -294,7 +280,7 @@ void HPAK_AddLump( qboolean bUseQueue, const char *name, resource_t *pResource,
 		return;
 	}
 
-	length = FS_FileLength( file_src );
+	int length = FS_FileLength( file_src );
 	FS_Seek( file_src, 0, SEEK_SET ); // rewind to start of file
 	FS_FileCopy( file_dst, file_src, length );
 
@@ -329,13 +315,13 @@ void HPAK_AddLump( qboolean bUseQueue, const char *name, resource_t *pResource,
 	memcpy( dstpak.entries, srcpak.entries, sizeof( hpak_lump_t ) * srcpak.count );
 
 	// check is there are entry with same hash
-	for( i = 0; i < srcpak.count; i++ )
+	for( int i = 0; i < srcpak.count; i++ )
 	{
 		if( memcmp( md5, srcpak.entries[i].resource.rgucMD5_hash, 16 ) == 0 )
 		{
 			pCurrentEntry = &dstpak.entries[i];
 
-			for( j = i; j < srcpak.count; j++ )
+			for( int j = i; j < srcpak.count; j++ )
 				dstpak.entries[j + 1] = srcpak.entries[j];
 		}
 	}
@@ -357,7 +343,7 @@ void HPAK_AddLump( qboolean bUseQueue, const char *name, resource_t *pResource,
 	hash_pack_header.infotableofs = FS_Tell( file_dst );
 	FS_Write( file_dst, &dstpak.count, sizeof( dstpak.count ));
 
-	for( i = 0; i < dstpak.count; i++ )
+	for( int i = 0; i < dstpak.count; i++ )
 	{
 		FS_Write( file_dst, &dstpak.entries[i], sizeof( hpak_lump_t ));
 	}
@@ -380,14 +366,9 @@ void HPAK_AddLump( qboolean bUseQueue, const char *name, resource_t *pResource,
 
 static qboolean HPAK_Validate( const char *filename, qboolean quiet, qboolean delete )
 {
-	file_t		*f;
-	hpak_lump_t	*dataDir;
 	hpak_header_t	hdr;
-	byte		*dataPak;
-	int		i, num_lumps;
 	MD5Context_t	MD5_Hash;
 	string		pakname;
-	dresource_t	*pRes;
 	byte		md5[16];
 
 	if( quiet ) HPAK_FlushHostQueue();
@@ -399,7 +380,7 @@ static qboolean HPAK_Validate( const char *filename, qboolean quiet, qboolean de
 	Q_strncpy( pakname, filename, sizeof( pakname ));
 	COM_ReplaceExtension( pakname, ".hpk", sizeof( pakname ));
 
-	f = FS_Open( pakname, "rb", true );
+	file_t *f = FS_Open( pakname, "rb", true );
 	if( !f )
 	{
 		if( !quiet )
@@ -419,6 +400,8 @@ static qboolean HPAK_Validate( const char *filename, qboolean quiet, qboolean de
 	}
 
 	FS_Seek( f, hdr.infotableofs, SEEK_SET );
+
+	int num_lumps;
 	FS_Read( f, &num_lumps, sizeof( num_lumps ));
 
 	if( num_lumps < 1 || num_lumps > HPAK_MAX_ENTRIES )
@@ -431,12 +414,12 @@ static qboolean HPAK_Validate( const char *filename, qboolean quiet, qboolean de
 
 	if( !quiet ) Con_Printf( "# of Entries:  %i\n", num_lumps );
 
-	dataDir = Z_Malloc( sizeof( hpak_lump_t ) * num_lumps );
+	hpak_lump_t *dataDir = Z_Malloc( sizeof( hpak_lump_t ) * num_lumps );
 	FS_Read( f, dataDir, sizeof( hpak_lump_t ) * num_lumps );
 
 	if( !quiet ) Con_Printf( "# Type Size FileName : MD5 Hash\n" );
 
-	for( i = 0; i < num_lumps; i++ )
+	for( int i = 0; i < num_lumps; i++ )
 	{
 		if( dataDir[i].disksize < HPAK_ENTRY_MIN_SIZE || dataDir[i].disksize > HPAK_ENTRY_MAX_SIZE )
 		{
@@ -448,7 +431,7 @@ static qboolean HPAK_Validate( const char *filename, qboolean quiet, qboolean de
 			return false;
 		}
 
-		dataPak = Z_Malloc( dataDir[i].disksize );
+		byte *dataPak = Z_Malloc( dataDir[i].disksize );
 		FS_Seek( f, dataDir[i].filepos, SEEK_SET );
 		FS_Read( f, dataPak, dataDir[i].disksize );
 
@@ -457,7 +440,7 @@ static qboolean HPAK_Validate( const char *filename, qboolean quiet, qboolean de
 		MD5Update( &MD5_Hash, dataPak, dataDir[i].disksize );
 		MD5Final( md5, &MD5_Hash );
 
-		pRes = &dataDir[i].resource;
+		dresource_t *pRes = &dataDir[i].resource;
 
 		if( !quiet )
 		{
@@ -508,9 +491,8 @@ void HPAK_CheckIntegrity( const char *filename )
 void HPAK_CheckSize( const char *filename )
 {
 	string	pakname;
-	int	maxsize;
+	int	maxsize = hpk_maxsize.value;
 
-	maxsize = hpk_maxsize.value;
 	if( maxsize <= 0 ) return;
 
 	if( COM_StringEmptyOrNULL( filename ) )
@@ -532,14 +514,11 @@ qboolean HPAK_ResourceForHash( const char *filename, byte *hash, resource_t *pRe
 	hpak_info_t	directory;
 	hpak_header_t	header;
 	string		pakname;
-	qboolean		bFound;
-	file_t		*f;
-	hash_pack_queue_t	*p;
 
 	if( COM_StringEmptyOrNULL( filename ))
 		return false;
 
-	for( p = gp_hpak_queue; p != NULL; p = p->next )
+	for( hash_pack_queue_t *p = gp_hpak_queue; p != NULL; p = p->next )
 	{
 		if( !Q_stricmp( p->name, filename ) && !memcmp( p->resource.rgucMD5_hash, hash, 16 ))
 		{
@@ -552,7 +531,7 @@ qboolean HPAK_ResourceForHash( const char *filename, byte *hash, resource_t *pRe
 	Q_strncpy( pakname, filename, sizeof( pakname ));
 	COM_ReplaceExtension( pakname, ".hpk", sizeof( pakname ));
 
-	f = FS_Open( pakname, "rb", true );
+	file_t *f = FS_Open( pakname, "rb", true );
 	if( !f ) return false;
 
 	FS_Read( f, &header, sizeof( header ));
@@ -580,7 +559,7 @@ qboolean HPAK_ResourceForHash( const char *filename, byte *hash, resource_t *pRe
 
 	directory.entries = Z_Malloc( sizeof( hpak_lump_t ) * directory.count );
 	FS_Read( f, directory.entries, sizeof( hpak_lump_t ) * directory.count );
-	bFound = HPAK_FindResource( &directory, hash, pResource );
+	qboolean bFound = HPAK_FindResource( &directory, hash, pResource );
 	Mem_Free( directory.entries );
 	FS_Close( f );
 
@@ -592,7 +571,6 @@ static qboolean HPAK_ResourceForIndex( const char *filename, int index, resource
 	hpak_header_t	header;
 	hpak_info_t	directory;
 	string		pakname;
-	file_t		*f;
 
 	if( COM_StringEmptyOrNULL( filename ) )
 		return false;
@@ -600,7 +578,7 @@ static qboolean HPAK_ResourceForIndex( const char *filename, int index, resource
 	Q_strncpy( pakname, filename, sizeof( pakname ));
 	COM_ReplaceExtension( pakname, ".hpk", sizeof( pakname ));
 
-	f = FS_Open( pakname, "rb", true );
+	file_t *f = FS_Open( pakname, "rb", true );
 	if( !f )
 	{
 		Con_DPrintf( S_ERROR "couldn't open %s.\n", pakname );
@@ -650,14 +628,9 @@ static qboolean HPAK_ResourceForIndex( const char *filename, int index, resource
 
 qboolean HPAK_GetDataPointer( const char *filename, resource_t *pResource, byte **buffer, int *bufsize )
 {
-	byte		*tmpbuf;
 	string		pakname;
 	hpak_header_t	header;
 	hpak_info_t	directory;
-	hpak_lump_t	*entry;
-	hash_pack_queue_t	*p;
-	file_t		*f;
-	int		i;
 
 	if( COM_StringEmptyOrNULL( filename ))
 		return false;
@@ -665,13 +638,13 @@ qboolean HPAK_GetDataPointer( const char *filename, resource_t *pResource, byte
 	if( buffer ) *buffer = NULL;
 	if( bufsize ) *bufsize = 0;
 
-	for( p = gp_hpak_queue; p != NULL; p = p->next )
+	for( hash_pack_queue_t *p = gp_hpak_queue; p != NULL; p = p->next )
 	{
 		if( !Q_stricmp( p->name, filename ) && !memcmp( p->resource.rgucMD5_hash, pResource->rgucMD5_hash, 16 ))
 		{
 			if( buffer )
 			{
-				tmpbuf = Z_Malloc( p->size );
+				byte *tmpbuf = Z_Malloc( p->size );
 				memcpy( tmpbuf, p->data, p->size );
 				*buffer = tmpbuf;
 			}
@@ -686,7 +659,7 @@ qboolean HPAK_GetDataPointer( const char *filename, resource_t *pResource, byte
 	Q_strncpy( pakname, filename, sizeof( pakname ));
 	COM_ReplaceExtension( pakname, ".hpk", sizeof( pakname ));
 
-	f = FS_Open( pakname, "rb", true );
+	file_t *f = FS_Open( pakname, "rb", true );
 	if( !f ) return false;
 
 	FS_Read( f, &header, sizeof( header ));
@@ -718,9 +691,9 @@ qboolean HPAK_GetDataPointer( const char *filename, resource_t *pResource, byte
 	directory.entries = Z_Malloc( sizeof( hpak_lump_t ) * directory.count );
 	FS_Read( f, directory.entries, sizeof( hpak_lump_t ) * directory.count );
 
-	for( i = 0; i < directory.count; i++ )
+	for( int i = 0; i < directory.count; i++ )
 	{
-		entry = &directory.entries[i];
+		hpak_lump_t *entry = &directory.entries[i];
 
 		if( entry->filepos > 0 &&
 			entry->disksize > 0 &&
@@ -730,7 +703,7 @@ qboolean HPAK_GetDataPointer( const char *filename, resource_t *pResource, byte
 
 			if( buffer )
 			{
-				tmpbuf = Z_Malloc( entry->disksize );
+				byte *tmpbuf = Z_Malloc( entry->disksize );
 				FS_Read( f, tmpbuf, entry->disksize );
 				*buffer = tmpbuf;
 			}
@@ -755,11 +728,8 @@ void HPAK_RemoveLump( const char *name, resource_t *pResource )
 {
 	string		read_path;
 	string		save_path;
-	file_t		*file_src;
-	file_t		*file_dst;
 	hpak_info_t	hpak_read;
 	hpak_info_t	hpak_save;
-	int		i, j;
 
 	if( COM_StringEmptyOrNULL( name ) || !pResource )
 		return;
@@ -769,7 +739,7 @@ void HPAK_RemoveLump( const char *name, resource_t *pResource )
 	Q_strncpy( read_path, name, sizeof( read_path ));
 	COM_ReplaceExtension( read_path, ".hpk", sizeof( read_path ));
 
-	file_src = FS_Open( read_path, "rb", true );
+	file_t *file_src = FS_Open( read_path, "rb", true );
 	if( !file_src )
 	{
 		Con_DPrintf( S_ERROR "%s couldn't open.\n", read_path );
@@ -778,7 +748,7 @@ void HPAK_RemoveLump( const char *name, resource_t *pResource )
 
 	Q_strncpy( save_path, read_path, sizeof( save_path ));
 	COM_ReplaceExtension( save_path, ".hp2", sizeof( save_path ));
-	file_dst = FS_Open( save_path, "wb", true );
+	file_t *file_dst = FS_Open( save_path, "wb", true );
 
 	if( !file_dst )
 	{
@@ -845,7 +815,7 @@ void HPAK_RemoveLump( const char *name, resource_t *pResource )
 	Con_Printf( "Removing %s from HPAK %s.\n", pResource->szFileName, read_path );
 
 	// If there's a collision, we've just corrupted this hpak.
-	for( i = 0, j = 0; i < hpak_read.count; i++ )
+	for( int i = 0, j = 0; i < hpak_read.count; i++ )
 	{
 		if( !memcmp( hpak_read.entries[i].resource.rgucMD5_hash, pResource->rgucMD5_hash, 16 ))
 			continue;
@@ -860,7 +830,7 @@ void HPAK_RemoveLump( const char *name, resource_t *pResource )
 	hash_pack_header.infotableofs = FS_Tell( file_dst );
 	FS_Write( file_dst, &hpak_save.count, sizeof( hpak_save.count ));
 
-	for( i = 0; i < hpak_save.count; i++ )
+	for( int i = 0; i < hpak_save.count; i++ )
 		FS_Write( file_dst, &hpak_save.entries[i], sizeof( hpak_lump_t ));
 
 	FS_Seek( file_dst, 0, SEEK_SET );
@@ -877,15 +847,10 @@ void HPAK_RemoveLump( const char *name, resource_t *pResource )
 
 static void HPAK_List_f( void )
 {
-	int		nCurrent;
 	hpak_header_t	header;
 	hpak_info_t	directory;
-	hpak_lump_t	*entry;
 	string		lumpname;
 	string		pakname;
-	const char	*type;
-	const char	*size;
-	file_t		*f;
 
 	if( Cmd_Argc() != 2 )
 	{
@@ -899,7 +864,7 @@ static void HPAK_List_f( void )
 	COM_ReplaceExtension( pakname, ".hpk", sizeof( pakname ));
 	Con_Printf( "Contents for %s.\n", pakname );
 
-	f = FS_Open( pakname, "rb", true );
+	file_t *f = FS_Open( pakname, "rb", true );
 	if( !f )
 	{
 		Con_DPrintf( S_ERROR "couldn't open %s.\n", pakname );
@@ -938,12 +903,13 @@ static void HPAK_List_f( void )
 	directory.entries = Z_Malloc( directory.count * sizeof( hpak_lump_t ));
 	FS_Read( f, directory.entries, directory.count * sizeof( hpak_lump_t ));
 
-	for( nCurrent = 0; nCurrent < directory.count; nCurrent++ )
+	for( int nCurrent = 0; nCurrent < directory.count; nCurrent++ )
 	{
-		entry = &directory.entries[nCurrent];
+		hpak_lump_t *entry = &directory.entries[nCurrent];
+		const char *type = COM_ResourceTypeFromIndex( entry->resource.type );
+		const char *size = Q_memprint( entry->resource.nDownloadSize );
+
 		COM_FileBase( entry->resource.szFileName, lumpname, sizeof( lumpname ));
-		type = COM_ResourceTypeFromIndex( entry->resource.type );
-		size = Q_memprint( entry->resource.nDownloadSize );
 
 		Con_Printf( "%i: %10s %s %s\n  :  %s\n", nCurrent + 1, type, size, lumpname, MD5_Print( entry->resource.rgucMD5_hash ));
 	}
@@ -955,19 +921,12 @@ static void HPAK_List_f( void )
 
 static void HPAK_Extract_f( void )
 {
-	int		nCurrent;
 	hpak_header_t	header;
 	hpak_info_t	directory;
-	hpak_lump_t	*entry;
 	string		lumpname;
 	string		pakname;
 	string		szFileOut;
 	int		nIndex;
-	byte		*pData;
-	int		nDataSize;
-	const char	*type;
-	const char	*size;
-	file_t		*f;
 
 	if( Cmd_Argc() != 3 )
 	{
@@ -990,7 +949,7 @@ static void HPAK_Extract_f( void )
 	COM_ReplaceExtension( pakname, ".hpk", sizeof( pakname ));
 	Con_Printf( "Contents for %s.\n", pakname );
 
-	f = FS_Open( pakname, "rb", true );
+	file_t *f = FS_Open( pakname, "rb", true );
 	if( !f )
 	{
 		Con_DPrintf( S_ERROR "couldn't open %s.\n", pakname );
@@ -1029,16 +988,17 @@ static void HPAK_Extract_f( void )
 	directory.entries = Z_Malloc( directory.count * sizeof( hpak_lump_t ));
 	FS_Read( f, directory.entries, directory.count * sizeof( hpak_lump_t ));
 
-	for( nCurrent = 0; nCurrent < directory.count; nCurrent++ )
+	for( int nCurrent = 0; nCurrent < directory.count; nCurrent++ )
 	{
-		entry = &directory.entries[nCurrent];
+		hpak_lump_t *entry = &directory.entries[nCurrent];
 
 		if( nIndex != -1 && nIndex != nCurrent )
 			continue;
 
+		const char *type = COM_ResourceTypeFromIndex( entry->resource.type );
+		const char *size = Q_memprint( entry->resource.nDownloadSize );
+
 		COM_FileBase( entry->resource.szFileName, lumpname, sizeof( lumpname ) );
-		type = COM_ResourceTypeFromIndex( entry->resource.type );
-		size = Q_memprint( entry->resource.nDownloadSize );
 
 		Con_Printf( "Extracting %i: %10s %s %s\n", nCurrent + 1, type, size, lumpname );
 
@@ -1048,8 +1008,9 @@ static void HPAK_Extract_f( void )
 			continue;
 		}
 
-		nDataSize = entry->disksize;
-		pData = Z_Malloc( nDataSize + 1 );
+		int nDataSize = entry->disksize;
+		byte *pData = Z_Malloc( nDataSize + 1 );
+
 		FS_Seek( f, entry->filepos, SEEK_SET );
 		FS_Read( f, pData, nDataSize );
 

engine/common/http/net_http_xash.c

@@ -18,7 +18,6 @@ GNU General Public License for more details.
 #include "client.h" // ConnectionProgress
 #include "netchan.h"
 #include "xash3d_mathlib.h"
-#include "ipv6text.h"
 #include "net_ws_private.h"
 #include "miniz.h"
 
@@ -31,6 +30,7 @@ HTTP downloader
 */
 
 #define MAX_HTTP_BUFFER_SIZE (BIT( 16 ))
+#define MAX_HTTP_DECOMPRESSED_SIZE ( 64 * 1024 * 1024 )
 
 typedef struct httpserver_s
 {
@@ -228,14 +228,12 @@ static int HTTP_FileQueue( httpfile_t *file )
 
 static int HTTP_FileResolveNS( httpfile_t *file )
 {
-	net_gai_state_t res;
-
 	if( http.resolving )
 		return 0;
 
 	memset( &file->addr, 0, sizeof( file->addr ));
 
-	res = NET_StringToSockaddr( file->server->host, &file->addr, true, AF_UNSPEC );
+	net_gai_state_t res = NET_StringToSockaddr( file->server->host, &file->addr, true, AF_UNSPEC );
 
 	switch( file->addr.ss_family )
 	{
@@ -343,9 +341,7 @@ static int HTTP_FileConnect( httpfile_t *file )
 
 static int HTTP_FileSendRequest( httpfile_t *file )
 {
-	int res = -1;
-
-	res = send( file->socket, file->buf + file->bytes_sent, file->query_length - file->bytes_sent, 0 );
+	int res = send( file->socket, file->buf + file->bytes_sent, file->query_length - file->bytes_sent, 0 );
 
 	if( res >= 0 )
 	{
@@ -382,7 +378,6 @@ static int HTTP_FileSendRequest( httpfile_t *file )
 
 static int HTTP_FileDecompress( httpfile_t *file )
 {
-	fs_offset_t len;
 #pragma pack( push, 1 )
 	struct
 	{
@@ -404,15 +399,10 @@ static int HTTP_FileDecompress( httpfile_t *file )
 		GZFLG_FCOMMENT = BIT( 4 )
 	};
 
-	z_stream decompress_stream;
 	char name[MAX_SYSPATH];
-	fs_offset_t deflate_pos;
-	size_t compressed_len, decompressed_len;
-	byte *data_in, *data_out;
-	int zlib_result;
 
 	g_fsapi.Seek( file->file, 0, SEEK_END );
-	len = g_fsapi.Tell( file->file );
+	fs_offset_t len = g_fsapi.Tell( file->file );
 
 	g_fsapi.Seek( file->file, 0, SEEK_SET );
 	if( g_fsapi.Read( file->file, &hdr, sizeof( hdr )) != sizeof( hdr ))
@@ -430,10 +420,9 @@ static int HTTP_FileDecompress( httpfile_t *file )
 	if( FBitSet( hdr.flags, GZFLG_FEXTRA ))
 	{
 		byte res[2];
-		uint16_t xlen;
 
 		g_fsapi.Read( file->file, res, sizeof( res ));
-		xlen = res[0] | res[1] << 16;
+		uint16_t xlen = res[0] | res[1] << 16;
 		g_fsapi.Seek( file->file, xlen, SEEK_CUR );
 	}
 
@@ -458,8 +447,9 @@ static int HTTP_FileDecompress( httpfile_t *file )
 	if( FBitSet( hdr.flags, GZFLG_FHCRC ))
 		g_fsapi.Seek( file->file, 2, SEEK_CUR );
 
-	deflate_pos = g_fsapi.Tell( file->file );
-	compressed_len = len - deflate_pos;
+	fs_offset_t deflate_pos = g_fsapi.Tell( file->file );
+	size_t compressed_len = len - deflate_pos;
+	size_t decompressed_len;
 
 	{
 		byte data[4];
@@ -472,16 +462,27 @@ static int HTTP_FileDecompress( httpfile_t *file )
 		decompressed_len = data[0] | data[1] << 8 | data[2] << 16 | data[3] << 24;
 	}
 
-	data_in = Mem_Malloc( host.mempool, compressed_len + 1 );
-	data_out = Mem_Malloc( host.mempool, decompressed_len + 1 );
+	if( decompressed_len == 0 || decompressed_len > MAX_HTTP_DECOMPRESSED_SIZE )
+	{
+		Con_Printf( S_ERROR "%s: refusing to decompress %s, claimed size out of range (%zu)\n", __func__, file->path, decompressed_len );
+		HTTP_FreeFile( file, true );
+		return 0;
+	}
+
+	byte *data_in = Mem_Malloc( host.mempool, compressed_len + 1 );
+	byte *data_out = Mem_Malloc( host.mempool, decompressed_len + 1 );
 
 	HTTP_DownloadPath( name, sizeof( name ), file->path, false );
 
-	memset( &decompress_stream, 0, sizeof( decompress_stream ));
-	decompress_stream.total_in = decompress_stream.avail_in = compressed_len;
-	decompress_stream.next_in = data_in;
-	decompress_stream.total_out = decompress_stream.avail_out = decompressed_len;
-	decompress_stream.next_out = data_out;
+	z_stream decompress_stream =
+	{
+		.total_in = compressed_len,
+		.avail_in = compressed_len,
+		.next_in = data_in,
+		.total_out = decompressed_len,
+		.avail_out = decompressed_len,
+		.next_out = data_out,
+	};
 
 	g_fsapi.Seek( file->file, deflate_pos, SEEK_SET );
 	g_fsapi.Read( file->file, data_in, compressed_len );
@@ -495,13 +496,13 @@ static int HTTP_FileDecompress( httpfile_t *file )
 		return 0;
 	}
 
-	zlib_result = inflate( &decompress_stream, Z_NO_FLUSH );
+	int zlib_result = inflate( &decompress_stream, Z_NO_FLUSH );
 	inflateEnd( &decompress_stream );
 
 	if( zlib_result == Z_OK || zlib_result == Z_STREAM_END )
 	{
 		FS_AllowDirectPaths( true );
-		g_fsapi.WriteFile( name, data_out, decompressed_len );
+		g_fsapi.WriteFile( name, data_out, decompress_stream.total_out );
 		FS_AllowDirectPaths( false );
 		HTTP_FreeFile( file, false );
 	}
@@ -543,7 +544,7 @@ remove files with HTTP_FREE state from list
 static void HTTP_AutoClean( void )
 {
 	char buf[1024];
-	httpfile_t *cur, **prev = &http.first_file;
+	httpfile_t **prev = &http.first_file;
 	sizebuf_t msg;
 
 	MSG_Init( &msg, "DlFile", buf, sizeof( buf ));
@@ -551,7 +552,7 @@ static void HTTP_AutoClean( void )
 	// clean all files marked to free
 	while( 1 )
 	{
-		cur = *prev;
+		httpfile_t *cur = *prev;
 
 		if( !cur )
 			break;
@@ -598,7 +599,6 @@ static int HTTP_FileSaveReceivedData( httpfile_t *file, int pos, int length )
 	while( length > 0 )
 	{
 		int oldpos = pos;
-		int ret;
 		int len_to_write;
 
 		if( file->chunked && file->chunksize <= 0 )
@@ -663,7 +663,7 @@ static int HTTP_FileSaveReceivedData( httpfile_t *file, int pos, int length )
 			len_to_write = Q_min( length, file->chunksize );
 		else len_to_write = length;
 
-		ret = FS_Write( file->file, &file->buf[pos], len_to_write );
+		int ret = FS_Write( file->file, &file->buf[pos], len_to_write );
 		if( ret != len_to_write )
 		{
 			// close it and go to next
@@ -717,18 +717,15 @@ static int HTTP_FileProcessStream( httpfile_t *curfile )
 			if( begin ) // Got full header
 			{
 				char *content_length;
-				char *content_encoding;
 				char *transfer_encoding;
 
 				*begin = 0; // cut string to print out response
 
 				if( !Q_strstr( curfile->buf, "200 OK" ))
 				{
-					char *p;
-
 					int num = -1;
 
-					p = Q_strchr( curfile->buf, '\r' );
+					char *p = Q_strchr( curfile->buf, '\r' );
 					if( !p ) p = Q_strchr( curfile->buf, '\n' );
 					if( p ) *p = 0;
 
@@ -759,7 +756,7 @@ static int HTTP_FileProcessStream( httpfile_t *curfile )
 					return 0;
 				}
 
-				content_encoding = Q_stristr( curfile->buf, "Content-Encoding" );
+				char *content_encoding = Q_stristr( curfile->buf, "Content-Encoding" );
 				if( content_encoding ) // fetch compressed status
 				{
 					content_encoding += sizeof( "Content-Encoding: " ) - 1;
@@ -785,10 +782,8 @@ static int HTTP_FileProcessStream( httpfile_t *curfile )
 				}
 				else if(( content_length = Q_stristr( curfile->buf, "Content-Length: " ) ))
 				{
-					int size;
-
 					content_length += sizeof( "Content-Length: " ) - 1;
-					size = Q_atoi( content_length );
+					int size = Q_atoi( content_length );
 
 					Con_Reportf( "HTTP: Got 200 OK! File size is %d%s\n", curfile->size, curfile->compressed ? ", compressed" : "" );
 
@@ -905,13 +900,11 @@ Call every frame
 */
 void HTTP_Run( void )
 {
-	httpfile_t *curfile;
-
 	http.resolving = false;
 	http.progress_count = 0;
 	http.progress = 0;
 
-	for( curfile = http.first_file; curfile; curfile = curfile->next )
+	for( httpfile_t *curfile = http.first_file; curfile; curfile = curfile->next )
 	{
 		int move_next = 1;
 
@@ -941,7 +934,11 @@ Add new download to end of queue
 */
 void HTTP_AddDownload( const char *path, int size, qboolean process, resource_t *res )
 {
-	httpfile_t *httpfile;
+	if( COM_CheckNastyPath( path ))
+	{
+		Con_Printf( S_ERROR "%s: refused to download %s, nasty path\n", __func__, path );
+		return;
+	}
 
 	if( !http.first_server )
 	{
@@ -949,7 +946,7 @@ void HTTP_AddDownload( const char *path, int size, qboolean process, resource_t
 		return;
 	}
 
-	httpfile = Z_Calloc( sizeof( *httpfile ));
+	httpfile_t *httpfile = Z_Calloc( sizeof( *httpfile ));
 
 	Con_Reportf( "File %s queued to download\n", path );
 
@@ -992,11 +989,7 @@ HTTP_ParseURL
 */
 static httpserver_t *HTTP_ParseURL( const char *url_ )
 {
-	httpserver_t *server;
-	int i;
-	const char *url = NULL;
-
-	url = Q_strstr( url_, "http://" );
+	const char *url = Q_strstr( url_, "http://" );
 
 	if( url )
 		url += 7;
@@ -1010,8 +1003,8 @@ static httpserver_t *HTTP_ParseURL( const char *url_ )
 	if( !url )
 		return NULL;
 
-	server = Z_Calloc( sizeof( httpserver_t ));
-	i = 0;
+	httpserver_t *server = Z_Calloc( sizeof( httpserver_t ));
+	int i = 0;
 
 	while( *url && ( *url != ':' ) && ( *url != '/' ) && ( *url != '\r' ) && ( *url != '\n' ))
 	{
@@ -1151,19 +1144,17 @@ Print all pending downloads to console
 static void HTTP_List_f( void )
 {
 	int i = 0;
-	httpfile_t *file;
 
 	if( !http.first_file )
 		Con_Printf( "no downloads queued\n" );
 
-	for( file = http.first_file; file; file = file->next )
+	for( httpfile_t *file = http.first_file; file; file = file->next )
 	{
 		Con_Printf( "%d. %s (%d of %d)\n", i++, file->path, file->downloaded, file->size );
 
 		if( file->server )
 		{
-			httpserver_t *server;
-			for( server = file->server; server; server = server->next )
+			for( httpserver_t *server = file->server; server; server = server->next )
 			{
 				Con_Printf( "\thttp://%s:%d/%s%s\n", file->server->host, file->server->port,
 					file->server->path, file->path );
@@ -1181,9 +1172,7 @@ When connected to new server, all old files should not increase counter
 */
 void HTTP_ResetProcessState( void )
 {
-	httpfile_t *file;
-
-	for( file = http.first_file; file; file = file->next )
+	for( httpfile_t *file = http.first_file; file; file = file->next )
 		file->process = false;
 }
 

engine/common/imagelib/img_bmp.c

@@ -42,14 +42,13 @@ Image_LoadBMP
 */
 qboolean Image_LoadBMP( const char *name, const byte *buffer, fs_offset_t filesize )
 {
-	byte	*buf_p, *pixbuf;
+	byte	*pixbuf;
 	rgba_t	palette[256] = { 0 };
-	int	i, columns, column, rows, row, bpp = 1;
-	int	cbPalBytes = 0, padSize = 0, bps = 0;
+	int	columns, column, rows, row, bpp = 1;
+	int	cbPalBytes = 0, padSize = 0;
 	uint	reflectivity[3] = { 0, 0, 0 };
 	qboolean	load_qfont = false;
 	bmp_t	bhdr;
-	fs_offset_t estimatedSize;
 
 	if( filesize < sizeof( bhdr ))
 	{
@@ -57,7 +56,7 @@ qboolean Image_LoadBMP( const char *name, const byte *buffer, fs_offset_t filesi
 		return false;
 	}
 
-	buf_p = (byte *)buffer;
+	byte *buf_p = (byte *)buffer;
 	memcpy( &bhdr, buf_p, sizeof( bmp_t ));
 	le_struct_swap( bmp_swap, &bhdr );
 	buf_p += BI_FILE_HEADER_SIZE + bhdr.bitmapHeaderSize;
@@ -132,7 +131,7 @@ qboolean Image_LoadBMP( const char *name, const byte *buffer, fs_offset_t filesi
 		}
 	}
 
-	estimatedSize = ( buf_p - buffer ) + cbPalBytes;
+	fs_offset_t estimatedSize = ( buf_p - buffer ) + cbPalBytes;
 	if( filesize < estimatedSize )
 	{
 		Con_Reportf( S_ERROR "%s: %s have incorrect file size %li should be greater than %li (palette)\n", __func__, name, (long)filesize, (long)estimatedSize );
@@ -144,7 +143,7 @@ qboolean Image_LoadBMP( const char *name, const byte *buffer, fs_offset_t filesi
 	// setup gradient alpha for player decal
 	if( !Q_strncmp( name, "#logo", 5 ))
 	{
-		for( i = 0; i < bhdr.colors; i++ )
+		for( int i = 0; i < bhdr.colors; i++ )
 			palette[i][3] = i;
 		image.flags |= IMAGE_HAS_ALPHA;
 	}
@@ -152,7 +151,7 @@ qboolean Image_LoadBMP( const char *name, const byte *buffer, fs_offset_t filesi
 	if( Image_CheckFlag( IL_OVERVIEW ) && bhdr.bitsPerPixel == 8 )
 	{
 		// convert green background into alpha-layer, make opacity for all other entries
-		for( i = 0; i < bhdr.colors; i++ )
+		for( int i = 0; i < bhdr.colors; i++ )
 		{
 			if( palette[i][0] == 0 && palette[i][1] == 255 && palette[i][2] == 0 )
 			{
@@ -168,7 +167,7 @@ qboolean Image_LoadBMP( const char *name, const byte *buffer, fs_offset_t filesi
 		pixbuf = image.palette = Mem_Malloc( host.imagepool, 1024 );
 
 		// bmp have a reversed palette colors
-		for( i = 0; i < bhdr.colors; i++ )
+		for( int i = 0; i < bhdr.colors; i++ )
 		{
 			*pixbuf++ = palette[i][2];
 			*pixbuf++ = palette[i][1];
@@ -185,7 +184,7 @@ qboolean Image_LoadBMP( const char *name, const byte *buffer, fs_offset_t filesi
 	}
 
 	buf_p += cbPalBytes;
-	bps = image.width * (bhdr.bitsPerPixel >> 3);
+	int bps = image.width * (bhdr.bitsPerPixel >> 3);
 
 	switch( bhdr.bitsPerPixel )
 	{
@@ -353,15 +352,9 @@ qboolean Image_LoadBMP( const char *name, const byte *buffer, fs_offset_t filesi
 
 qboolean Image_SaveBMP( const char *name, rgbdata_t *pix )
 {
-	file_t		*pfile = NULL;
 	rgba_t		rgrgbPalette[256];
-	dword		cbBmpBits;
-	byte		*pb, *pbBmpBits;
-	dword		cbPalBytes;
-	dword		biTrueWidth;
+	byte		*pb;
 	int		pixel_size;
-	int		i, x, y;
-	bmp_t	hdr;
 
 	if( FS_FileExists( name, false ) && !Image_CheckFlag( IL_ALLOW_OVERWRITE ) )
 		return false; // already existed
@@ -389,45 +382,44 @@ qboolean Image_SaveBMP( const char *name, rgbdata_t *pix )
 		return false;
 	}
 
-	pfile = FS_Open( name, "wb", false );
-	if( !pfile ) return false;
+	file_t *pfile = FS_Open( name, "wb", false );
+	if( !pfile )
+		return false;
 
 	// NOTE: align transparency column will sucessfully removed
 	// after create sprite or lump image, it's just standard requiriments
-	biTrueWidth = ((pix->width + 3) & ~3);
-	cbBmpBits = biTrueWidth * pix->height * pixel_size;
-	cbPalBytes = ( pixel_size == 1 ) ? 256 * sizeof( rgba_t ) : 0;
+	dword biTrueWidth = ((pix->width + 3) & ~3);
+	dword cbBmpBits = biTrueWidth * pix->height * pixel_size;
+	dword cbPalBytes = ( pixel_size == 1 ) ? 256 * sizeof( rgba_t ) : 0;
 
 	// Bogus file header check
-	hdr.id[0] = 'B';
-	hdr.id[1] = 'M';
-	hdr.fileSize =  sizeof( hdr ) + cbBmpBits + cbPalBytes;
-	hdr.reserved0 = 0;
-	hdr.bitmapDataOffset = sizeof( hdr ) + cbPalBytes;
-	hdr.bitmapHeaderSize = BI_SIZE;
-	hdr.width = biTrueWidth;
-	hdr.height = pix->height;
-	hdr.planes = 1;
-	hdr.bitsPerPixel = pixel_size * 8;
-	hdr.compression = BI_RGB;
-	hdr.bitmapDataSize = cbBmpBits;
-	hdr.hRes = 0;
-	hdr.vRes = 0;
-	hdr.colors = ( pixel_size == 1 ) ? 256 : 0;
-	hdr.importantColors = 0;
+	bmp_t hdr =
+	{
+		.id = { 'B', 'M' },
+		.fileSize = sizeof( hdr ) + cbBmpBits + cbPalBytes,
+		.bitmapDataOffset = sizeof( hdr ) + cbPalBytes,
+		.bitmapHeaderSize = BI_SIZE,
+		.width = biTrueWidth,
+		.height = pix->height,
+		.planes = 1,
+		.bitsPerPixel = pixel_size * 8,
+		.compression = BI_RGB,
+		.bitmapDataSize = cbBmpBits,
+		.colors = ( pixel_size == 1 ) ? 256 : 0,
+	};
 
 	le_struct_swap( bmp_swap, &hdr );
 	FS_Write( pfile, &hdr, sizeof( bmp_t ));
 	le_struct_swap( bmp_swap, &hdr );
 
-	pbBmpBits = Mem_Malloc( host.imagepool, cbBmpBits );
+	byte *pbBmpBits = Mem_Malloc( host.imagepool, cbBmpBits );
 
 	if( pixel_size == 1 )
 	{
 		pb = pix->palette;
 
 		// copy over used entries
-		for( i = 0; i < (int)hdr.colors; i++ )
+		for( int i = 0; i < (int)hdr.colors; i++ )
 		{
 			rgrgbPalette[i][2] = *pb++;
 			rgrgbPalette[i][1] = *pb++;
@@ -447,9 +439,9 @@ qboolean Image_SaveBMP( const char *name, rgbdata_t *pix )
 
 	pb = pix->buffer;
 
-	for( y = 0; y < hdr.height; y++ )
+	for( int y = 0; y < hdr.height; y++ )
 	{
-		i = (hdr.height - 1 - y ) * (hdr.width);
+		int i = (hdr.height - 1 - y ) * (hdr.width);
 
 		if( pixel_size == 1 )
 		{
@@ -457,7 +449,7 @@ qboolean Image_SaveBMP( const char *name, rgbdata_t *pix )
 		}
 		else
 		{
-			for( x = 0; x < pix->width; x++ )
+			for( int x = 0; x < pix->width; x++ )
 			{
 				// 24 bit
 				qboolean be = ImageBigEndian( pix->type );

engine/common/imagelib/img_dds.c

@@ -62,22 +62,18 @@ le_struct_end();
 
 static qboolean Image_CheckDXT3Alpha( dds_t *hdr, byte *fin )
 {
-	word	sAlpha;
-	byte	*alpha;
-	int	x, y, i, j;
-
-	for( y = 0; y < hdr->dwHeight; y += 4 )
+	for( int y = 0; y < hdr->dwHeight; y += 4 )
 	{
-		for( x = 0; x < hdr->dwWidth; x += 4 )
+		for( int x = 0; x < hdr->dwWidth; x += 4 )
 		{
-			alpha = fin + 8;
+			byte *alpha = fin + 8;
 			fin += 16;
 
-			for( j = 0; j < 4; j++ )
+			for( int j = 0; j < 4; j++ )
 			{
-				sAlpha = alpha[2*j] + 256 * alpha[2*j+1];
+				word sAlpha = alpha[2*j] + 256 * alpha[2*j+1];
 
-				for( i = 0; i < 4; i++ )
+				for( int i = 0; i < 4; i++ )
 				{
 					if((( x + i ) < hdr->dwWidth ) && (( y + j ) < hdr->dwHeight ))
 					{
@@ -95,29 +91,23 @@ static qboolean Image_CheckDXT3Alpha( dds_t *hdr, byte *fin )
 
 static qboolean Image_CheckDXT5Alpha( dds_t *hdr, byte *fin )
 {
-	uint	bits, bitmask;
-	byte	*alphamask;
-	int	x, y, i, j;
-
-	for( y = 0; y < hdr->dwHeight; y += 4 )
+	for( int y = 0; y < hdr->dwHeight; y += 4 )
 	{
-		for( x = 0; x < hdr->dwWidth; x += 4 )
+		for( int x = 0; x < hdr->dwWidth; x += 4 )
 		{
 			if( y >= hdr->dwHeight || x >= hdr->dwWidth )
 				break;
 
-			alphamask = fin + 2;
+			byte *alphamask = fin + 2;
 			fin += 8;
-
-			bitmask = ((uint *)fin)[1];
 			fin += 8;
 
 			// last three bytes
-			bits = (alphamask[3]) | (alphamask[4] << 8) | (alphamask[5] << 16);
+			uint bits = (alphamask[3]) | (alphamask[4] << 8) | (alphamask[5] << 16);
 
-			for( j = 2; j < 4; j++ )
+			for( int j = 2; j < 4; j++ )
 			{
-				for( i = 0; i < 4; i++ )
+				for( int i = 0; i < 4; i++ )
 				{
 					// only put pixels out < width or height
 					if((( x + i ) < hdr->dwWidth ) && (( y + j ) < hdr->dwHeight ))
@@ -261,14 +251,13 @@ static void Image_DXTGetPixelFormat( dds_t *hdr, dds_header_dxt10_t *headerExt )
 static size_t Image_DXTCalcMipmapSize( dds_t *hdr )
 {
 	size_t	buffsize = 0;
-	int	i, width, height, depth;
 
 	// now correct buffer size
-	for( i = 0; i < Q_max( 1, ( hdr->dwMipMapCount )); i++ )
+	for( int i = 0; i < Q_max( 1, ( hdr->dwMipMapCount )); i++ )
 	{
-		width = Q_max( 1, ( hdr->dwWidth >> i ));
-		height = Q_max( 1, ( hdr->dwHeight >> i ));
-		depth = Q_max( 1, ( image.depth >> i ));
+		int width = Q_max( 1, ( hdr->dwWidth >> i ));
+		int height = Q_max( 1, ( hdr->dwHeight >> i ));
+		int depth = Q_max( 1, ( image.depth >> i ));
 		buffsize += Image_ComputeSize( image.type, width, height, depth );
 	}
 
@@ -278,9 +267,6 @@ static size_t Image_DXTCalcMipmapSize( dds_t *hdr )
 static uint Image_DXTCalcSize( const char *name, dds_t *hdr, size_t filesize )
 {
 	size_t buffsize = 0;
-	int w = image.width;
-	int h = image.height;
-	int d = image.depth;
 
 	if( hdr->dsCaps.dwCaps2 & DDS_CUBEMAP )
 	{
@@ -330,8 +316,6 @@ Image_LoadDDS
 qboolean Image_LoadDDS( const char *name, const byte *buffer, fs_offset_t filesize )
 {
 	dds_t	header;
-	byte	*fin;
-	int		headersOffset;
 	dds_header_dxt10_t header2;
 
 	if( filesize < sizeof( header ))
@@ -355,7 +339,7 @@ qboolean Image_LoadDDS( const char *name, const byte *buffer, fs_offset_t filesi
 		return false;
 	}
 
-	headersOffset = sizeof( header );
+	int headersOffset = sizeof( header );
 	if( header.dsPixelFormat.dwFourCC == TYPE_DX10 )
 	{
 		memcpy( &header2, buffer + sizeof( header ), sizeof( header2 ));
@@ -386,7 +370,7 @@ qboolean Image_LoadDDS( const char *name, const byte *buffer, fs_offset_t filesi
 
 	image.size = Image_DXTCalcSize( name, &header, filesize - headersOffset );
 	if( image.size == 0 ) return false; // just in case
-	fin = (byte *)( buffer + headersOffset );
+	byte *fin = (byte *)( buffer + headersOffset );
 
 	// copy an encode method
 	image.encode = (word)header.dwReserved1[0];

engine/common/imagelib/img_ktx2.c

@@ -98,7 +98,6 @@ static qboolean Image_KTX2Parse( const ktx2_header_t *header, const byte *buffer
 	ktx2_index_t index;
 	size_t total_size = 0;
 	size_t max_offset = 0;
-	int mip, cursor;
 	const byte *const levels_begin = buffer + KTX2_LEVELS_OFFSET;
 
 	// Sets image.type and image.flags
@@ -155,7 +154,7 @@ static qboolean Image_KTX2Parse( const ktx2_header_t *header, const byte *buffer
 	memcpy( &index, buffer + KTX2_IDENTIFIER_SIZE + sizeof( ktx2_header_t ), sizeof( index ));
 	le_struct_swap( ktx2_index_swap, &index );
 
-	for( mip = 0; mip < header->levelCount; ++mip )
+	for( int mip = 0; mip < header->levelCount; ++mip )
 	{
 		const uint32_t width = Q_max( 1, ( header->pixelWidth >> mip ));
 		const uint32_t height = Q_max( 1, ( header->pixelHeight >> mip ));
@@ -185,7 +184,7 @@ static qboolean Image_KTX2Parse( const ktx2_header_t *header, const byte *buffer
 	image.rgba = Mem_Malloc( host.imagepool, image.size );
 	memcpy( image.rgba, buffer, image.size );
 
-	for( mip = 0, cursor = 0; mip < header->levelCount; ++mip )
+	for( int mip = 0, cursor = 0; mip < header->levelCount; ++mip )
 	{
 		ktx2_level_t level;
 		memcpy( &level, levels_begin + mip * sizeof( level ), sizeof( level ));

engine/common/imagelib/img_main.c

@@ -169,8 +169,6 @@ void Image_Reset( void )
 
 static MALLOC_LIKE( FS_FreeImage, 1 ) rgbdata_t *ImagePack( const char *name )
 {
-	rgbdata_t	*pack;
-
 	Image_ReportLookupsCount( name );
 
 	if( Image_CheckFlag( IL_LOAD_PLAYER_DECAL ))
@@ -185,7 +183,7 @@ static MALLOC_LIKE( FS_FreeImage, 1 ) rgbdata_t *ImagePack( const char *name )
 		return NULL;
 	}
 
-	pack = Mem_Calloc( host.imagepool, sizeof( *pack ));
+	rgbdata_t *pack = Mem_Calloc( host.imagepool, sizeof( *pack ));
 
 	if( image.cubemap )
 	{
@@ -228,7 +226,6 @@ FS_AddSideToPack
 */
 static qboolean FS_AddSideToPack( int adjust_flags )
 {
-	byte	*out, *flipped;
 	qboolean	resampled = false;
 
 	// first side set average size for all cubemap sides!
@@ -247,12 +244,12 @@ static qboolean FS_AddSideToPack( int adjust_flags )
 		return false;
 
 	// flip image if needed
-	flipped = Image_FlipInternal( image.rgba, &image.width, &image.height, image.source_type, adjust_flags );
+	byte *flipped = Image_FlipInternal( image.rgba, &image.width, &image.height, image.source_type, adjust_flags );
 	if( !flipped ) return false; // try to reasmple dxt?
 	if( flipped != image.rgba ) image.rgba = Image_Copy( image.size );
 
 	// resampling image if needed
-	out = Image_ResampleInternal((uint *)image.rgba, image.width, image.height, image.source_width, image.source_height, image.source_type, &resampled );
+	byte *out = Image_ResampleInternal((uint *)image.rgba, image.width, image.height, image.source_width, image.source_height, image.source_type, &resampled );
 	if( !out ) return false; // try to reasmple dxt?
 	if( resampled ) image.rgba = Image_Copy( image.size );
 
@@ -268,12 +265,10 @@ static qboolean FS_AddSideToPack( int adjust_flags )
 
 static const loadpixformat_t *Image_GetLoadFormatForExtension( const char *ext )
 {
-	const loadpixformat_t *format;
-
 	if( COM_StringEmpty( ext ))
 		return NULL;
 
-	for( format = image.loadformats; format->ext; format++ )
+	for( const loadpixformat_t *format = image.loadformats; format->ext; format++ )
 	{
 		if( !Q_stricmp( ext, format->ext ))
 			return format;
@@ -316,10 +311,9 @@ static qboolean Image_ProbeLoad_( const loadpixformat_t *fmt, const char *name,
 	qboolean success = false;
 	fs_offset_t filesize;
 	string path;
-	byte *f;
 
 	Q_snprintf( path, sizeof( path ), "%s%s.%s", name, suffix, fmt->ext );
-	f = FS_LoadFile( path, &filesize, false );
+	byte *f = FS_LoadFile( path, &filesize, false );
 
 	Image_IncrementLookupTime();
 
@@ -335,24 +329,21 @@ static qboolean Image_ProbeLoad_( const loadpixformat_t *fmt, const char *name,
 
 static qboolean Image_ProbeLoad2( const char *name, const char *suffix, int override_hint )
 {
-	const loadpixformat_t *fmt;
-	search_t *t;
 	string pattern;
-	int i;
 
 	Q_snprintf( pattern, sizeof( pattern ), "%s%s.*", name, suffix );
 
-	t = FS_Search( pattern, true, false );
+	search_t *t = FS_Search( pattern, true, false );
 
 	if( !t )
 		return false;
 
 	// we now have to check every extension
 	// to keep the loading order
-	for( fmt = image.loadformats; fmt->ext; fmt++ )
+	for( const loadpixformat_t *fmt = image.loadformats; fmt->ext; fmt++ )
 	{
 		fs_offset_t filesize;
-		byte *data;
+		int i;
 
 		for( i = 0; i < t->numfilenames; i++ )
 		{
@@ -366,7 +357,7 @@ static qboolean Image_ProbeLoad2( const char *name, const char *suffix, int over
 		if( i == t->numfilenames )
 			continue;
 
-		data = FS_LoadFile( t->filenames[i], &filesize, false );
+		byte *data = FS_LoadFile( t->filenames[i], &filesize, false );
 		Image_IncrementLookupTime();
 
 		// can't load file, ignore
@@ -417,14 +408,13 @@ rgbdata_t *FS_LoadImage( const char *filename, const byte *buffer, size_t size )
 {
 	const char	*ext = COM_FileExtension( filename );
 	string		loadname;
-	int		i, j;
-	const loadpixformat_t *extfmt;
 
 	Q_strncpy( loadname, filename, sizeof( loadname ));
 
 	// we needs to compare file extension with list of supported formats
 	// and be sure what is real extension, not a filename with dot
-	if(( extfmt = Image_GetLoadFormatForExtension( ext )))
+	const loadpixformat_t *extfmt = Image_GetLoadFormatForExtension( ext );
+	if( extfmt )
 		COM_StripExtension( loadname );
 
 	Image_Reset(); // clear old image
@@ -437,11 +427,11 @@ rgbdata_t *FS_LoadImage( const char *filename, const byte *buffer, size_t size )
 		return ImagePack( filename );
 
 	// check all cubemap sides with package suffix
-	for( j = 0; j < ARRAYSIZE( load_cubemap ); j++ )
+	for( int j = 0; j < ARRAYSIZE( load_cubemap ); j++ )
 	{
 		const cubepack_t	*cmap = &load_cubemap[j];
 
-		for( i = 0; i < 6; i++ )
+		for( int i = 0; i < 6; i++ )
 		{
 			if( Image_ProbeLoad( extfmt, loadname, cmap->type[i].suf, cmap->type[i].hint ))
 			{
@@ -507,7 +497,6 @@ qboolean FS_SaveImage( const char *filename, rgbdata_t *pix )
 	const char	*ext = COM_FileExtension( filename );
 	qboolean		anyformat = COM_StringEmpty( ext );
 	string		path, savename;
-	const savepixformat_t *format;
 
 	if( !pix || !pix->buffer || anyformat )
 	{
@@ -522,7 +511,6 @@ qboolean FS_SaveImage( const char *filename, rgbdata_t *pix )
 	if( pix->flags & (IMAGE_CUBEMAP|IMAGE_SKYBOX))
 	{
 		size_t		realSize = pix->size; // keep real pic size
-		byte		*picBuffer; // to avoid corrupt memory on free data
 		const suffix_t	*box;
 		int		i;
 
@@ -538,10 +526,10 @@ qboolean FS_SaveImage( const char *filename, rgbdata_t *pix )
 		}
 
 		pix->size /= 6; // now set as side size
-		picBuffer = pix->buffer;
+		byte *picBuffer = pix->buffer;
 
 		// save all sides seperately
-		for( format = image.saveformats; format && format->ext; format++ )
+		for( const savepixformat_t *format = image.saveformats; format && format->ext; format++ )
 		{
 			if( !Q_stricmp( ext, format->ext ))
 			{
@@ -565,7 +553,7 @@ qboolean FS_SaveImage( const char *filename, rgbdata_t *pix )
 	}
 	else
 	{
-		for( format = image.saveformats; format && format->ext; format++ )
+		for( const savepixformat_t *format = image.saveformats; format && format->ext; format++ )
 		{
 			if( !Q_stricmp( ext, format->ext ))
 			{
@@ -610,13 +598,12 @@ make an image copy
 */
 rgbdata_t *FS_CopyImage( const rgbdata_t *in )
 {
-	rgbdata_t	*out;
 	int	palSize = 0;
 
 	if( !in )
 		return NULL;
 
-	out = Mem_Malloc( host.imagepool, sizeof( *out ));
+	rgbdata_t *out = Mem_Malloc( host.imagepool, sizeof( *out ));
 	*out = *in;
 
 	switch( in->type )
@@ -660,10 +647,8 @@ static void GeneratePixel( byte *pix, uint i, uint j, uint w, uint h, qboolean g
 
 static void Test_CheckImage( const char *name, rgbdata_t *rgb )
 {
-	rgbdata_t *load;
-
 	// test reading
-	load = FS_LoadImage( name, NULL, 0 );
+	rgbdata_t *load = FS_LoadImage( name, NULL, 0 );
 	TASSERT( load->width == rgb->width )
 	TASSERT( load->height == rgb->height )
 	TASSERT( load->type == rgb->type )
@@ -677,9 +662,7 @@ static void Test_CheckImage( const char *name, rgbdata_t *rgb )
 void Test_RunImagelib( void )
 {
 	rgbdata_t rgb = { 0 };
-	byte *buf;
 	const char *extensions[] = { "tga", "png", "bmp" };
-	uint i, j;
 
 	Image_Setup();
 
@@ -689,26 +672,25 @@ void Test_RunImagelib( void )
 	rgb.type = PF_RGBA_32;
 	rgb.flags = IMAGE_HAS_ALPHA;
 	rgb.size = rgb.width * rgb.height * 4;
-	buf = rgb.buffer = Z_Malloc( rgb.size );
+	byte *buf = rgb.buffer = Z_Malloc( rgb.size );
 
-	for( i = 0; i < rgb.height; i++ )
+	for( uint i = 0; i < rgb.height; i++ )
 	{
-		for( j = 0; j < rgb.width; j++ )
+		for( uint j = 0; j < rgb.width; j++ )
 		{
 			GeneratePixel( buf, i, j, rgb.width, rgb.height, true );
 			buf += 4;
 		}
 	}
 
-	for( i = 0; i < sizeof(extensions) / sizeof(extensions[0]); i++ )
+	for( uint i = 0; i < sizeof(extensions) / sizeof(extensions[0]); i++ )
 	{
-		qboolean ret;
 		char name[MAX_VA_STRING];
 
 		Q_snprintf( name, sizeof( name ), "test_gen.%s", extensions[i] );
 
 		// test saving
-		ret = FS_SaveImage( name, &rgb );
+		qboolean ret = FS_SaveImage( name, &rgb );
 		Con_Printf( "Checking if we can save images in '%s' format...\n", extensions[i] );
 		ASSERT(ret == true);
 

engine/common/imagelib/img_png.c

@@ -33,12 +33,11 @@ Image_LoadPNG
 */
 qboolean Image_LoadPNG( const char *name, const byte *buffer, fs_offset_t filesize )
 {
-	int		ret;
 	short		p, a, b, c, pa, pb, pc;
-	byte		*buf_p, *pixbuf, *raw, *prior, *idat_buf = NULL, *uncompressed_buffer = NULL;
+	byte		*pixbuf, *raw, *prior, *idat_buf = NULL, *uncompressed_buffer = NULL;
 	byte		*pallete = NULL, *trns = NULL;
-	uint	 	chunk_len, trns_len = 0, plte_len = 0, crc32, crc32_check, oldsize = 0, newsize = 0, rowsize;
-	uint		uncompressed_size, pixel_size, pixel_count, i, y, filter_type, chunk_sign, r_alpha, g_alpha, b_alpha;
+	uint	 	chunk_len, trns_len = 0, plte_len = 0, crc32, crc32_check, oldsize = 0, newsize = 0;
+	uint		pixel_size, i, y, filter_type, chunk_sign, r_alpha, g_alpha, b_alpha;
 	qboolean 	has_iend_chunk = false;
 	z_stream 	stream = {0};
 	png_t		png_hdr;
@@ -46,7 +45,7 @@ qboolean Image_LoadPNG( const char *name, const byte *buffer, fs_offset_t filesi
 	if( filesize < sizeof( png_hdr ))
 		return false;
 
-	buf_p = (byte *)buffer;
+	byte *buf_p = (byte *)buffer;
 
 	// get png header
 	memcpy( &png_hdr, buffer, sizeof( png_t ));
@@ -265,7 +264,7 @@ qboolean Image_LoadPNG( const char *name, const byte *buffer, fs_offset_t filesi
 	}
 
 	image.type = PF_RGBA_32; // always exctracted to 32-bit buffer
-	pixel_count = image.height * image.width;
+	uint pixel_count = image.height * image.width;
 	image.size = pixel_count * 4;
 
 	if( png_hdr.ihdr_chunk.colortype & PNG_CT_RGB )
@@ -276,9 +275,9 @@ qboolean Image_LoadPNG( const char *name, const byte *buffer, fs_offset_t filesi
 
 	image.depth = 1;
 
-	rowsize = pixel_size * image.width;
+	uint rowsize = pixel_size * image.width;
 
-	uncompressed_size = image.height * ( rowsize + 1 ); // +1 for filter
+	uint uncompressed_size = image.height * ( rowsize + 1 ); // +1 for filter
 	uncompressed_buffer = Mem_Malloc( host.imagepool, uncompressed_size );
 
 	stream.next_in = idat_buf;
@@ -295,7 +294,7 @@ qboolean Image_LoadPNG( const char *name, const byte *buffer, fs_offset_t filesi
 		return false;
 	}
 
-	ret = inflate( &stream, Z_NO_FLUSH );
+	int ret = inflate( &stream, Z_NO_FLUSH );
 	inflateEnd( &stream );
 
 	Mem_Free( idat_buf );
@@ -506,10 +505,9 @@ Image_SavePNG
 */
 qboolean Image_SavePNG( const char *name, rgbdata_t *pix )
 {
-	int		 ret;
-	uint		 y, outsize, pixel_size, filtered_size, idat_len;
-	uint		 ihdr_len, crc32, rowsize, big_idat_len;
-	byte		*in, *buffer, *out, *filtered_buffer, *rowend;
+	uint		pixel_size;
+	uint		crc32;
+	byte		*out;
 	z_stream 	 stream = {0};
 	png_t		 png_hdr;
 	png_footer_t	 png_ftr;
@@ -537,19 +535,20 @@ qboolean Image_SavePNG( const char *name, rgbdata_t *pix )
 		return false;
 	}
 
-	rowsize = pix->width * pixel_size;
+	uint rowsize = pix->width * pixel_size;
 
 	// get filtered image size
-	filtered_size = ( rowsize + 1 ) * pix->height;
+	uint filtered_size = ( rowsize + 1 ) * pix->height;
 
+	byte *filtered_buffer;
 	out = filtered_buffer = Mem_Malloc( host.imagepool, filtered_size );
 
 	// apply adaptive filter to image
-	for( y = 0; y < pix->height; y++ )
+	for( uint y = 0; y < pix->height; y++ )
 	{
-		in = pix->buffer + y * pix->width * pixel_size;
+		byte *in = pix->buffer + y * pix->width * pixel_size;
 		*out++ = PNG_F_NONE;
-		rowend = in + rowsize;
+		byte *rowend = in + rowsize;
 		for( ; in < rowend; in += pixel_size )
 		{
 			*out++ = be ? in[2] : in[0];
@@ -562,13 +561,13 @@ qboolean Image_SavePNG( const char *name, rgbdata_t *pix )
 	}
 
 	// get IHDR chunk length
-	ihdr_len = sizeof( png_ihdr_t );
+	uint ihdr_len = sizeof( png_ihdr_t );
 
 	// predict IDAT chunk length
-	idat_len = deflateBound( NULL, filtered_size );
+	uint idat_len = deflateBound( NULL, filtered_size );
 
 	// calculate PNG filesize
-	outsize = sizeof( png_t );
+	uint outsize = sizeof( png_t );
 	outsize += sizeof( idat_len );
 	outsize += sizeof( idat_sign );
 	outsize += idat_len;
@@ -612,6 +611,7 @@ qboolean Image_SavePNG( const char *name, rgbdata_t *pix )
 	// write IHDR chunk CRC
 	png_hdr.ihdr_crc32 = BigLong( crc32 );
 
+	byte *buffer;
 	out = buffer = (byte *)Mem_Malloc( host.imagepool, outsize );
 
 	stream.next_in = filtered_buffer;
@@ -628,7 +628,7 @@ qboolean Image_SavePNG( const char *name, rgbdata_t *pix )
 		return false;
 	}
 
-	ret = deflate( &stream, Z_FINISH );
+	int ret = deflate( &stream, Z_FINISH );
 	deflateEnd( &stream );
 
 	Mem_Free( filtered_buffer );
@@ -650,7 +650,7 @@ qboolean Image_SavePNG( const char *name, rgbdata_t *pix )
 	out += sizeof( png_t );
 
 	// convert IDAT chunk length to big endian
-	big_idat_len = BigLong( idat_len );
+	uint big_idat_len = BigLong( idat_len );
 
 	// write IDAT chunk length
 	memcpy( out, &big_idat_len, sizeof( idat_len ));

engine/common/imagelib/img_quant.c

@@ -68,15 +68,13 @@ static int		radpower[initrad];		// radpower for precomputation
 
 static void initnet( byte *thepic, int len, int sample )
 {
-	register int	i, *p;
-
 	thepicture = thepic;
 	lengthcount = len;
 	samplefac = sample;
 
-	for( i = 0; i < netsize; i++ )
+	for( register int i = 0; i < netsize; i++ )
 	{
-		p = network[i];
+		register int *p = network[i];
 		p[0] = p[1] = p[2] = (i << (netbiasshift + 8)) / netsize;
 		freq[i] = intbias / netsize;	// 1 / netsize
 		bias[i] = 0;
@@ -86,15 +84,13 @@ static void initnet( byte *thepic, int len, int sample )
 // Unbias network to give byte values 0..255 and record position i to prepare for sort
 static void unbiasnet( void )
 {
-	int	i, j, temp;
-
-	for( i = 0; i < netsize; i++ )
+	for( int i = 0; i < netsize; i++ )
 	{
-		for( j = 0; j < 3; j++ )
+		for( int j = 0; j < 3; j++ )
 		{
 			// OLD CODE: network[i][j] >>= netbiasshift;
 			// Fix based on bug report by Juergen Weigert jw@suse.de
-			temp = (network[i][j] + (1 << (netbiasshift - 1))) >> netbiasshift;
+			int temp = (network[i][j] + (1 << (netbiasshift - 1))) >> netbiasshift;
 			if( temp > 255 ) temp = 255;
 			network[i][j] = temp;
 		}
@@ -106,21 +102,18 @@ static void unbiasnet( void )
 // Insertion sort of network and building of netindex[0..255] (to do after unbias)
 static void inxbuild( void )
 {
-	register int	*p, *q;
-	register int	i, j, smallpos, smallval;
-	int		previouscol, startpos;
+	int		previouscol = 0;
+	int		startpos = 0;
 
-	previouscol = 0;
-	startpos = 0;
-
-	for( i = 0; i < netsize; i++ )
+	for( register int i = 0; i < netsize; i++ )
 	{
-		p = network[i];
-		smallpos = i;
-		smallval = p[1];			// index on g
+		register int *p = network[i];
+		register int smallpos = i;
+		register int smallval = p[1];			// index on g
 
 		// find smallest in i..netsize-1
-		for( j = i + 1; j < netsize; j++ )
+		register int *q;
+		for( register int j = i + 1; j < netsize; j++ )
 		{
 			q = network[j];
 			if( q[1] < smallval )
@@ -136,6 +129,7 @@ static void inxbuild( void )
 		// swap p (i) and q (smallpos) entries
 		if( i != smallpos )
 		{
+			register int j;
 			j = q[0];   q[0] = p[0];   p[0] = j;
 			j = q[1];   q[1] = p[1];   p[1] = j;
 			j = q[2];   q[2] = p[2];   p[2] = j;
@@ -147,7 +141,7 @@ static void inxbuild( void )
 		{
 			netindex[previouscol] = (startpos+i) >> 1;
 
-			for( j = previouscol + 1; j < smallval; j++ )
+			for( register int j = previouscol + 1; j < smallval; j++ )
 				netindex[j] = i;
 
 			previouscol = smallval;
@@ -157,7 +151,7 @@ static void inxbuild( void )
 
 	netindex[previouscol] = (startpos + maxnetpos)>>1;
 
-	for( j = previouscol + 1; j < 256; j++ )
+	for( int j = previouscol + 1; j < 256; j++ )
 		netindex[j] = maxnetpos; // really 256
 }
 
@@ -165,14 +159,13 @@ static void inxbuild( void )
 // Search for BGR values 0..255 (after net is unbiased) and return colour index
 static int inxsearch( int r, int g, int b )
 {
-	register int	i, j, dist, a, bestd;
+	register int	dist, a;
 	register int	*p;
-	int		best;
 
-	bestd = 1000;	// biggest possible dist is 256 * 3
-	best = -1;
-	i = netindex[g];	// index on g
-	j = i - 1;	// start at netindex[g] and work outwards
+	register int bestd = 1000;	// biggest possible dist is 256 * 3
+	int best = -1;
+	register int i = netindex[g];	// index on g
+	register int j = i - 1;	// start at netindex[g] and work outwards
 
 	while(( i < netsize ) || ( j >= 0 ))
 	{
@@ -246,25 +239,22 @@ static int inxsearch( int r, int g, int b )
 // Search for biased BGR values
 static int contest( int r, int g, int b )
 {
-	register int	*p, *f, *n;
-	register int	i, dist, a, biasdist, betafreq;
-	int		bestpos, bestbiaspos, bestd, bestbiasd;
-
 	// finds closest neuron (min dist) and updates freq
 	// finds best neuron (min dist-bias) and returns position
 	// for frequently chosen neurons, freq[i] is high and bias[i] is negative
 	// bias[i] = gamma * ((1 / netsize) - freq[i])
-	bestd = INT_MAX;
-	bestbiasd = bestd;
-	bestpos = -1;
-	bestbiaspos = bestpos;
-	p = bias;
-	f = freq;
+	int bestd = INT_MAX;
+	int bestbiasd = bestd;
+	int bestpos = -1;
+	int bestbiaspos = bestpos;
+	register int *p = bias;
+	register int *f = freq;
 
-	for( i = 0; i < netsize; i++ )
+	for( register int i = 0; i < netsize; i++ )
 	{
-		n = network[i];
-		dist = n[2] - b;
+		register int *n = network[i];
+		register int dist = n[2] - b;
+		register int a;
 		if( dist < 0 ) dist = -dist;
 		a = n[1] - g;
 		if( a < 0 ) a = -a;
@@ -279,7 +269,7 @@ static int contest( int r, int g, int b )
 			bestpos = i;
 		}
 
-		biasdist = dist - ((*p) >> (intbiasshift - netbiasshift));
+		register int biasdist = dist - ((*p) >> (intbiasshift - netbiasshift));
 
 		if( biasdist < bestbiasd )
 		{
@@ -287,7 +277,7 @@ static int contest( int r, int g, int b )
 			bestbiaspos = i;
 		}
 
-		betafreq = (*f >> betashift);
+		register int betafreq = (*f >> betashift);
 		*f++ -= betafreq;
 		*p++ += (betafreq << gammashift);
 	}
@@ -301,9 +291,7 @@ static int contest( int r, int g, int b )
 // Move neuron i towards biased (b,g,r) by factor alpha
 static void altersingle( int alpha, int i, int r, int g, int b )
 {
-	register int	*n;
-
-	n = network[i];	// alter hit neuron
+	register int *n = network[i];	// alter hit neuron
 	*n -= (alpha * (*n - r)) / initalpha;
 	n++;
 	*n -= (alpha * (*n - g)) / initalpha;
@@ -314,21 +302,19 @@ static void altersingle( int alpha, int i, int r, int g, int b )
 // Move adjacent neurons by precomputed alpha*(1-((i-j)^2/[r]^2)) in radpower[|i-j|]
 static void alterneigh( int rad, int i, int r, int g, int b )
 {
-	register int	j, k, lo, hi, a;
-	register int	*p, *q;
-
-	lo = i - rad;
+	register int lo = i - rad;
 	if( lo < -1 ) lo = -1;
-	hi = i + rad;
+	register int hi = i + rad;
 	if( hi > netsize ) hi = netsize;
 
-	j = i + 1;
-	k = i - 1;
-	q = radpower;
+	register int j = i + 1;
+	register int k = i - 1;
+	register int *q = radpower;
 
 	while(( j < hi ) || ( k > lo ))
 	{
-		a = (*(++q));
+		register int a = (*(++q));
+		register int *p;
 
 		if( j < hi )
 		{
@@ -357,24 +343,20 @@ static void alterneigh( int rad, int i, int r, int g, int b )
 // Main Learning Loop
 static void learn( void )
 {
-	register byte	*p;
-	register int	i, j, r, g, b;
-	int		radius, rad, alpha, step;
-	int		delta, samplepixels;
-	byte		*lim;
+	int step;
 
 	alphadec = 30 + ((samplefac - 1) / 3);
-	p = thepicture;
-	lim = thepicture + lengthcount;
-	samplepixels = lengthcount / (image.bpp * samplefac);
-	delta = samplepixels / ncycles;
-	alpha = initalpha;
-	radius = initradius;
+	register byte *p = thepicture;
+	byte *lim = thepicture + lengthcount;
+	int samplepixels = lengthcount / (image.bpp * samplefac);
+	int delta = samplepixels / ncycles;
+	int alpha = initalpha;
+	int radius = initradius;
 
-	rad = radius >> radiusbiasshift;
+	int rad = radius >> radiusbiasshift;
 	if( rad <= 1 ) rad = 0;
 
-	for( i = 0; i < rad; i++ )
+	for( int i = 0; i < rad; i++ )
 		radpower[i] = alpha * ((( rad * rad - i * i ) * radbias ) / ( rad * rad ));
 
 	if( delta <= 0 ) return;
@@ -396,14 +378,14 @@ static void learn( void )
 		step = prime4 * image.bpp;
 	}
 
-	i = 0;
+	register int i = 0;
 
 	while( i < samplepixels )
 	{
-		r = p[0] << netbiasshift;
-		g = p[1] << netbiasshift;
-		b = p[2] << netbiasshift;
-		j = contest( r, g, b );
+		register int r = p[0] << netbiasshift;
+		register int g = p[1] << netbiasshift;
+		register int b = p[2] << netbiasshift;
+		register int j = contest( r, g, b );
 
 		altersingle( alpha, j, r, g, b );
 		if( rad ) alterneigh( rad, j, r, g, b );   // alter neighbours
@@ -420,7 +402,7 @@ static void learn( void )
 			rad = radius >> radiusbiasshift;
 			if( rad <= 1 ) rad = 0;
 
-			for( j = 0; j < rad; j++ )
+			for( int j = 0; j < rad; j++ )
 				radpower[j] = alpha * ((( rad * rad - j * j ) * radbias ) / ( rad * rad ));
 		}
 	}

engine/common/imagelib/img_tga.c

@@ -34,19 +34,17 @@ Image_LoadTGA
 */
 qboolean Image_LoadTGA( const char *name, const byte *buffer, fs_offset_t filesize )
 {
-	int	i, columns, rows, row_inc, row, col;
-	byte	*buf_p, *pixbuf, *targa_rgba;
+	int	columns, rows, row_inc, row, col;
+	byte	*pixbuf;
 	rgba_t	palette[256];
 	byte	red = 0, green = 0, blue = 0, alpha = 0;
-	int	readpixelcount, pixelcount;
 	uint	reflectivity[3] = { 0, 0, 0 };
-	qboolean	compressed;
 	tga_t	targa_header;
 
 	if( filesize < sizeof( tga_t ))
 		return false;
 
-	buf_p = (byte *)buffer;
+	byte *buf_p = (byte *)buffer;
 	targa_header.id_length = *buf_p++;
 	targa_header.colormap_type = *buf_p++;
 	targa_header.image_type = *buf_p++;
@@ -87,7 +85,7 @@ qboolean Image_LoadTGA( const char *name, const byte *buffer, fs_offset_t filesi
 		}
 		if( targa_header.colormap_size == 24 )
 		{
-			for( i = 0; i < targa_header.colormap_length; i++ )
+			for( int i = 0; i < targa_header.colormap_length; i++ )
 			{
 				palette[i][2] = *buf_p++;
 				palette[i][1] = *buf_p++;
@@ -97,7 +95,7 @@ qboolean Image_LoadTGA( const char *name, const byte *buffer, fs_offset_t filesi
 		}
 		else if( targa_header.colormap_size == 32 )
 		{
-			for( i = 0; i < targa_header.colormap_length; i++ )
+			for( int i = 0; i < targa_header.colormap_length; i++ )
 			{
 				palette[i][2] = *buf_p++;
 				palette[i][1] = *buf_p++;
@@ -134,7 +132,7 @@ qboolean Image_LoadTGA( const char *name, const byte *buffer, fs_offset_t filesi
 	rows = targa_header.height;
 
 	image.size = image.width * image.height * 4;
-	targa_rgba = image.rgba = Mem_Malloc( host.imagepool, image.size );
+	byte *targa_rgba = image.rgba = Mem_Malloc( host.imagepool, image.size );
 
 	// if bit 5 of attributes isn't set, the image has been stored from bottom to top
 	if( !Image_CheckFlag( IL_DONTFLIP_TGA ) && targa_header.attributes & 0x20 )
@@ -148,11 +146,11 @@ qboolean Image_LoadTGA( const char *name, const byte *buffer, fs_offset_t filesi
 		row_inc = -columns * 4 * 2;
 	}
 
-	compressed = ( targa_header.image_type == 9 || targa_header.image_type == 10 || targa_header.image_type == 11 );
+	qboolean compressed = ( targa_header.image_type == 9 || targa_header.image_type == 10 || targa_header.image_type == 11 );
 	for( row = col = 0; row < rows; )
 	{
-		pixelcount = 0x10000;
-		readpixelcount = 0x10000;
+		int pixelcount = 0x10000;
+		int readpixelcount = 0x10000;
 
 		if( compressed )
 		{
@@ -245,9 +243,7 @@ Image_SaveTGA
 */
 qboolean Image_SaveTGA( const char *name, rgbdata_t *pix )
 {
-	int		y, outsize, pixel_size;
-	const uint8_t	*bufend, *in;
-	uint8_t		*buffer, *out;
+	int		pixel_size;
 	tga_t		targa_header = {0};
 	const char	comment[] = "Generated by Xash ImageLib";
 
@@ -269,11 +265,11 @@ qboolean Image_SaveTGA( const char *name, rgbdata_t *pix )
 		return false;
 	}
 
-	outsize = pix->width * pix->height * pixel_size;
+	int outsize = pix->width * pix->height * pixel_size;
 	outsize += sizeof( tga_t );
 	outsize += sizeof( comment ) - 1;
 
-	buffer = (uint8_t *)Mem_Malloc( host.imagepool, outsize );
+	uint8_t *buffer = (uint8_t *)Mem_Malloc( host.imagepool, outsize );
 
 	// prepare header
 	targa_header.id_length = sizeof( comment ) - 1; // tga comment length
@@ -292,7 +288,7 @@ qboolean Image_SaveTGA( const char *name, rgbdata_t *pix )
 		targa_header.attributes = 0;
 	}
 
-	out = buffer;
+	uint8_t *out = buffer;
 
 	le_struct_swap( tga_swap, &targa_header );
 	memcpy( out, &targa_header, sizeof( tga_t ) );
@@ -306,10 +302,10 @@ qboolean Image_SaveTGA( const char *name, rgbdata_t *pix )
 	case PF_RGB_24:
 	case PF_RGBA_32:
 		// swap rgba to bgra and flip upside down
-		for( y = pix->height - 1; y >= 0; y-- )
+		for( int y = pix->height - 1; y >= 0; y-- )
 		{
-			in = pix->buffer + y * pix->width * pixel_size;
-			bufend = in + pix->width * pixel_size;
+			const uint8_t *in = pix->buffer + y * pix->width * pixel_size;
+			const uint8_t *bufend = in + pix->width * pixel_size;
 			for( ; in < bufend; in += pixel_size )
 			{
 				*out++ = in[2];
@@ -323,10 +319,10 @@ qboolean Image_SaveTGA( const char *name, rgbdata_t *pix )
 	case PF_BGR_24:
 	case PF_BGRA_32:
 		// flip upside down
-		for( y = pix->height - 1; y >= 0; y-- )
+		for( int y = pix->height - 1; y >= 0; y-- )
 		{
-			in = pix->buffer + y * pix->width * pixel_size;
-			bufend = in + pix->width * pixel_size;
+			const uint8_t *in = pix->buffer + y * pix->width * pixel_size;
+			const uint8_t *bufend = in + pix->width * pixel_size;
 			for( ; in < bufend; in += pixel_size )
 			{
 				*out++ = in[0];