engine: client: support GoldSrc signon and refactor parsing delta entities for current and legacy protocols

Fixes Natural Selection 3.3 beta 9.

.gitmodules

@@ -19,3 +19,6 @@
 [submodule "3rdparty/xash-extras"]
 	path = 3rdparty/extras/xash-extras
 	url = https://github.com/FWGS/xash-extras
+[submodule "3rdparty/bzip2/bzip2"]
+	path = 3rdparty/bzip2/bzip2
+	url = https://gitlab.com/bzip2/bzip2

3rdparty/bzip2/wscript

@@ -0,0 +1,35 @@
+#! /usr/bin/env python
+# encoding: utf-8
+
+BZIP_CHECK='''#include <bzlib.h>
+int main(void) { return BZ2_bzlibVersion() != NULL; }
+'''
+
+def options(opt):
+	pass
+
+def configure(conf):
+	conf.define('_GNU_SOURCE', 1)
+
+	if conf.env.DEST_OS == 'win32':
+		conf.define('BZ_LCCWIN32', 1)
+	else:
+		conf.define('BZ_UNIX', 1)
+
+def build(bld):
+	bld(
+		features = 'subst',
+		source = 'bzip2/bz_version.h.in',
+		target = 'bz_version.h',
+		BZ_VERSION='1.1.0-fwgs'
+	)
+
+	bld.stlib(
+		source = bld.path.ant_glob(['bzip2/*.c']),
+		target = 'bzip2',
+		use = 'bz_version.h',
+		features = 'c',
+		includes = ['bzip2/', '.'],
+		subsystem = bld.env.MSVC_SUBSYSTEM,
+		export_includes = ['bzip2/']
+	)

Documentation/bug-compatibility.md

@@ -14,3 +14,4 @@ When `-bugcomp` is specified with argument, it interpreted as flags separated wi
 | ------- | ----------- | ---------------------------- |
 | `peoei` | Reverts `pfnPEntityOfEntIndex` behavior to GoldSrc, where it returns NULL for last player due to incorrect player index comparison | * Counter-Strike: Condition Zero - Deleted Scenes |
 | `gsmrf` | Rewrites message at the moment when Game DLL attempts to write an internal engine message, usually specific to GoldSrc protocol. Right now only supports `svc_spawnstaticsound`, more messages added by request. | * MetaMod/AMXModX based mods |
+| `sp_attn_none` | Makes sounds with attenuation zero spatialized, i.e. have a stereo effect. | Possibly, every game that was made for GoldSrc. |

README.md

@@ -67,9 +67,9 @@ This repository contains our fork of HLSDK and restored source code for Half-Lif
 `$ sudo dpkg --add-architecture i386`
 * Install development tools
   * For 32-bit engine on amd64: \
-    `$ sudo apt install build-essential gcc-multilib g++-multilib python libsdl2-dev:i386 libfontconfig-dev:i386 libfreetype6-dev:i386`
+    `$ sudo apt install build-essential gcc-multilib g++-multilib python libsdl2-dev:i386 libfontconfig-dev:i386 libfreetype6-dev:i386 libopus-dev:i386 libbz2-dev:i386`
   * For everything else: \
-    `$ sudo apt install build-essential python libsdl2-dev libfontconfig-dev libfreetype6-dev`
+    `$ sudo apt install build-essential python libsdl2-dev libfontconfig-dev libfreetype6-dev libopus-dev libbz2-dev`
 * Clone this repostory:
 `$ git clone --recursive https://github.com/FWGS/xash3d-fwgs`
 

common/const.h

@@ -14,9 +14,6 @@
 ****/
 #ifndef CONST_H
 #define CONST_H
-
-#include <stddef.h> // ptrdiff_t
-
 //
 // Constants shared by the engine and dlls
 // This header file included by engine files and DLL files.
@@ -724,7 +721,7 @@ enum
 };
 
 typedef int		func_t;
-typedef ptrdiff_t	string_t;
+typedef int		string_t;
 
 typedef unsigned short	word;
 

common/xash3d_types.h

@@ -79,11 +79,22 @@ typedef uint64_t longtime_t;
 		#define GAME_EXPORT
 	#endif
 
+	#define MALLOC __attribute__(( malloc ))
+
+	// added in GCC 11
+	#if __GNUC__ >= 11
+		// might want to set noclone due to https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116893
+		// but it's easier to not force mismatched-dealloc to error yet
+		#define MALLOC_LIKE( x, y ) __attribute__(( malloc( x, y )))
+	#else
+		#define MALLOC_LIKE( x, y ) MALLOC
+	#endif
 	#define NORETURN           __attribute__(( noreturn ))
 	#define NONNULL            __attribute__(( nonnull ))
 	#define _format( x )       __attribute__(( format( printf, x, x + 1 )))
 	#define ALLOC_CHECK( x )   __attribute__(( alloc_size( x )))
 	#define NO_ASAN            __attribute__(( no_sanitize( "address" )))
+	#define WARN_UNUSED_RESULT __attribute__(( warn_unused_result ))
 	#define RENAME_SYMBOL( x ) asm( x )
 #else
 	#if defined( _MSC_VER )
@@ -99,6 +110,9 @@ typedef uint64_t longtime_t;
 	#define _format( x )
 	#define ALLOC_CHECK( x )
 	#define RENAME_SYMBOL( x )
+	#define MALLOC
+	#define MALLOC_LIKE( x, y )
+	#define WARN_UNUSED_RESULT
 #endif
 
 #if __GNUC__ >= 3

engine/client/cl_cmds.c

@@ -274,6 +274,13 @@ void CL_GenericShot_f( void )
 		string checkname;
 		int i;
 
+		// allow overriding screenshot by users request
+		if( Cmd_Argc() > 1 )
+		{
+			Q_strncpy( cls.shotname, Cmd_Argv( 1 ), sizeof( cls.shotname ));
+			break;
+		}
+
 		if( type == scrshot_snapshot )
 		{
 			fmt = "../%s_%04d.png";

engine/client/cl_demo.c

@@ -40,6 +40,8 @@ GNU General Public License for more details.
 #define IDEMOHEADER		(('M'<<24)+('E'<<16)+('D'<<8)+'I') // little-endian "IDEM"
 #define DEMO_PROTOCOL	3
 
+#define PROTOCOL_GOLDSRC_VERSION_DEMO (PROTOCOL_GOLDSRC_VERSION | (BIT( 7 ))) // should be 48, only to differentiate it from PROTOCOL_LEGACY_VERSION
+
 const char *demo_cmd[dem_lastcmd+1] =
 {
 	"dem_unknown",
@@ -120,7 +122,7 @@ static int CL_GetDemoNetProtocol( connprotocol_t proto )
 	case PROTO_QUAKE:
 		return PROTOCOL_VERSION_QUAKE;
 	case PROTO_GOLDSRC:
-		return PROTOCOL_GOLDSRC_VERSION;
+		return PROTOCOL_GOLDSRC_VERSION_DEMO;
 	}
 
 	return PROTOCOL_VERSION;
@@ -136,7 +138,7 @@ static connprotocol_t CL_GetProtocolFromDemo( int net_protocol )
 		return PROTO_LEGACY;
 	case PROTOCOL_VERSION_QUAKE:
 		return PROTO_QUAKE;
-	case PROTOCOL_GOLDSRC_VERSION:
+	case PROTOCOL_GOLDSRC_VERSION_DEMO:
 		return PROTO_GOLDSRC;
 	}
 
@@ -706,7 +708,7 @@ static void CL_DemoStartPlayback( int mode )
 
 	demo.starttime = CL_GetDemoPlaybackClock(); // for determining whether to read another message
 
-	Netchan_Setup( NS_CLIENT, &cls.netchan, net_from, Cvar_VariableInteger( "net_qport" ), NULL, CL_GetFragmentSize );
+	Netchan_Setup( NS_CLIENT, &cls.netchan, net_from, Cvar_VariableInteger( "net_qport" ), NULL, CL_GetFragmentSize, 0 );
 
 	memset( demo.cmds, 0, sizeof( demo.cmds ));
 	demo.angle_position = 1;

engine/client/cl_events.c

@@ -380,7 +380,7 @@ CL_ParseReliableEvent
 
 =============
 */
-void CL_ParseReliableEvent( sizebuf_t *msg )
+void CL_ParseReliableEvent( sizebuf_t *msg, connprotocol_t proto )
 {
 	int		event_index;
 	event_args_t	nullargs, args;
@@ -390,11 +390,19 @@ void CL_ParseReliableEvent( sizebuf_t *msg )
 
 	event_index = MSG_ReadUBitLong( msg, MAX_EVENT_BITS );
 
-	if( MSG_ReadOneBit( msg ))
-		delay = (float)MSG_ReadWord( msg ) * (1.0f / 100.0f);
-
 	// reliable events not use delta-compression just null-compression
-	MSG_ReadDeltaEvent( msg, &nullargs, &args );
+	if( proto == PROTO_GOLDSRC )
+	{
+		Delta_ReadGSFields( msg, DT_EVENT_T, &nullargs, &args, 0.0f );
+		if( MSG_ReadOneBit( msg ))
+			delay = (float)MSG_ReadWord( msg ) * (1.0f / 100.0f);
+	}
+	else
+	{
+		if( MSG_ReadOneBit( msg ))
+			delay = (float)MSG_ReadWord( msg ) * (1.0f / 100.0f);
+		MSG_ReadDeltaEvent( msg, &nullargs, &args );
+	}
 
 	if( args.entindex > 0 && args.entindex <= cl.maxclients )
 		args.angles[PITCH] *= -3.0f;
@@ -409,7 +417,7 @@ CL_ParseEvent
 
 =============
 */
-void CL_ParseEvent( sizebuf_t *msg )
+void CL_ParseEvent( sizebuf_t *msg, connprotocol_t proto )
 {
 	int		event_index;
 	int		i, num_events;
@@ -417,24 +425,33 @@ void CL_ParseEvent( sizebuf_t *msg )
 	event_args_t	nullargs, args;
 	entity_state_t	*state;
 	float		delay;
+	int		entity_bits;
 
 	memset( &nullargs, 0, sizeof( nullargs ));
 	memset( &args, 0, sizeof( args ));
 
 	num_events = MSG_ReadUBitLong( msg, 5 );
 
+	if( proto == PROTO_GOLDSRC )
+		entity_bits = MAX_GOLDSRC_ENTITY_BITS;
+	else if( proto == PROTO_LEGACY )
+		entity_bits = MAX_LEGACY_ENTITY_BITS;
+	else entity_bits = MAX_ENTITY_BITS;
+
 	// parse events queue
 	for( i = 0 ; i < num_events; i++ )
 	{
 		event_index = MSG_ReadUBitLong( msg, MAX_EVENT_BITS );
 
 		if( MSG_ReadOneBit( msg ))
-			packet_index = MSG_ReadUBitLong( msg, cls.legacymode ? MAX_LEGACY_ENTITY_BITS : MAX_ENTITY_BITS );
+			packet_index = MSG_ReadUBitLong( msg, entity_bits );
 		else packet_index = -1;
 
 		if( MSG_ReadOneBit( msg ))
 		{
-			MSG_ReadDeltaEvent( msg, &nullargs, &args );
+			if( proto == PROTO_GOLDSRC )
+				Delta_ReadGSFields( msg, DT_EVENT_T, &nullargs, &args, 0.0f );
+			else MSG_ReadDeltaEvent( msg, &nullargs, &args );
 		}
 
 		if( MSG_ReadOneBit( msg ))

engine/client/cl_frame.c

@@ -669,9 +669,9 @@ FRAME PARSING
 
 =========================================================================
 */
-static qboolean CL_ParseEntityNumFromPacket( sizebuf_t *msg, int *newnum )
+static qboolean CL_ParseEntityNumFromPacket( sizebuf_t *msg, int *newnum, connprotocol_t proto )
 {
-	if( cls.legacymode )
+	if( proto == PROTO_LEGACY )
 	{
 		*newnum = MSG_ReadWord( msg );
 		if( *newnum == 0 )
@@ -694,7 +694,7 @@ CL_FlushEntityPacket
 Read and ignore whole entity packet.
 =================
 */
-static void CL_FlushEntityPacket( sizebuf_t *msg )
+static void CL_FlushEntityPacket( sizebuf_t *msg, connprotocol_t proto )
 {
 	int		newnum;
 	entity_state_t	from, to;
@@ -707,7 +707,7 @@ static void CL_FlushEntityPacket( sizebuf_t *msg )
 	// read it all, but ignore it
 	while( 1 )
 	{
-		if( !CL_ParseEntityNumFromPacket( msg, &newnum ))
+		if( !CL_ParseEntityNumFromPacket( msg, &newnum, proto ))
 			break; // done
 
 		if( MSG_CheckOverflow( msg ))
@@ -717,6 +717,47 @@ static void CL_FlushEntityPacket( sizebuf_t *msg )
 	}
 }
 
+qboolean CL_ValidateDeltaPacket( uint oldpacket, frame_t *oldframe )
+{
+	int subtracted = ( cls.netchan.incoming_sequence - oldpacket ) & 0xFF;
+
+	if( subtracted == 0 )
+	{
+		Con_NPrintf( 2, "^3Warning:^1 update too old\n^7\n" );
+		return false;
+	}
+
+	if( subtracted >= CL_UPDATE_MASK )
+	{
+		// we can't use this, it is too old
+		Con_NPrintf( 2, "^3Warning:^1 delta frame is too old^7\n" );
+		return false;
+	}
+
+	if(( cls.next_client_entities - oldframe->first_entity ) > ( cls.num_client_entities - NUM_PACKET_ENTITIES ))
+	{
+		Con_NPrintf( 2, "^3Warning:^1 delta frame is too old^7\n" );
+		return false;
+	}
+
+	return true;
+}
+
+int CL_UpdateOldEntNum( int oldindex, frame_t *oldframe, entity_state_t **oldent )
+{
+	if( !oldframe )
+	{
+		*oldent = NULL;
+		return MAX_ENTNUMBER;
+	}
+
+	if( oldindex >= oldframe->num_entities )
+		return MAX_ENTNUMBER;
+
+	*oldent = &cls.packet_entities[(oldframe->first_entity + oldindex) % cls.num_client_entities];
+	return (*oldent)->number;
+}
+
 /*
 =================
 CL_DeltaEntity
@@ -787,7 +828,7 @@ An svc_packetentities has just been parsed, deal with the
 rest of the data stream.
 ==================
 */
-int CL_ParsePacketEntities( sizebuf_t *msg, qboolean delta )
+int CL_ParsePacketEntities( sizebuf_t *msg, qboolean delta, connprotocol_t proto )
 {
 	frame_t		*newframe, *oldframe;
 	int		oldindex, newnum, oldnum;
@@ -803,7 +844,7 @@ int CL_ParsePacketEntities( sizebuf_t *msg, qboolean delta )
 		CL_WriteDemoJumpTime();
 
 	// sentinel count. save it for debug checking
-	if( cls.legacymode )
+	if( proto == PROTO_LEGACY )
 		count = MSG_ReadWord( msg );
 	else count = MSG_ReadUBitLong( msg, MAX_VISIBLE_PACKET_BITS ) + 1;
 
@@ -817,32 +858,12 @@ int CL_ParsePacketEntities( sizebuf_t *msg, qboolean delta )
 
 	if( delta )
 	{
-		int	subtracted;
-
-		oldpacket = MSG_ReadByte( msg );
-		subtracted = ( cls.netchan.incoming_sequence - oldpacket ) & 0xFF;
-
-		if( subtracted == 0 )
-		{
-			Con_NPrintf( 2, "^3Warning:^1 update too old\n^7\n" );
-			CL_FlushEntityPacket( msg );
-			return playerbytes;
-		}
-
-		if( subtracted >= CL_UPDATE_MASK )
-		{
-			// we can't use this, it is too old
-			Con_NPrintf( 2, "^3Warning:^1 delta frame is too old^7\n" );
-			CL_FlushEntityPacket( msg );
-			return playerbytes;
-		}
-
+		uint oldpacket = MSG_ReadByte( msg );
 		oldframe = &cl.frames[oldpacket & CL_UPDATE_MASK];
 
-		if(( cls.next_client_entities - oldframe->first_entity ) > ( cls.num_client_entities - NUM_PACKET_ENTITIES ))
+		if( !CL_ValidateDeltaPacket( oldpacket, oldframe ))
 		{
-			Con_NPrintf( 2, "^3Warning:^1 delta frame is too old^7\n" );
-			CL_FlushEntityPacket( msg );
+			CL_FlushEntityPacket( msg, proto );
 			return playerbytes;
 		}
 	}
@@ -860,27 +881,11 @@ int CL_ParsePacketEntities( sizebuf_t *msg, qboolean delta )
 
 	oldent = NULL;
 	oldindex = 0;
-
-	if( !oldframe )
-	{
-		oldnum = MAX_ENTNUMBER;
-	}
-	else
-	{
-		if( oldindex >= oldframe->num_entities )
-		{
-			oldnum = MAX_ENTNUMBER;
-		}
-		else
-		{
-			oldent = &cls.packet_entities[(oldframe->first_entity+oldindex) % cls.num_client_entities];
-			oldnum = oldent->number;
-		}
-	}
+	oldnum = CL_UpdateOldEntNum( oldindex, oldframe, &oldent );
 
 	while( 1 )
 	{
-		if( !CL_ParseEntityNumFromPacket( msg, &newnum ))
+		if( !CL_ParseEntityNumFromPacket( msg, &newnum, proto ))
 			break; // done
 
 		if( MSG_CheckOverflow( msg ))
@@ -892,17 +897,7 @@ int CL_ParsePacketEntities( sizebuf_t *msg, qboolean delta )
 		{
 			// one or more entities from the old packet are unchanged
 			CL_DeltaEntity( msg, newframe, oldnum, oldent, false );
-			oldindex++;
-
-			if( oldindex >= oldframe->num_entities )
-			{
-				oldnum = MAX_ENTNUMBER;
-			}
-			else
-			{
-				oldent = &cls.packet_entities[(oldframe->first_entity+oldindex) % cls.num_client_entities];
-				oldnum = oldent->number;
-			}
+			oldnum = CL_UpdateOldEntNum( ++oldindex, oldframe, &oldent );
 		}
 
 		if( oldnum == newnum )
@@ -911,17 +906,7 @@ int CL_ParsePacketEntities( sizebuf_t *msg, qboolean delta )
 			bufStart = MSG_GetNumBytesRead( msg );
 			CL_DeltaEntity( msg, newframe, newnum, oldent, true );
 			if( player ) playerbytes += MSG_GetNumBytesRead( msg ) - bufStart;
-			oldindex++;
-
-			if( oldindex >= oldframe->num_entities )
-			{
-				oldnum = MAX_ENTNUMBER;
-			}
-			else
-			{
-				oldent = &cls.packet_entities[(oldframe->first_entity+oldindex) % cls.num_client_entities];
-				oldnum = oldent->number;
-			}
+			oldnum = CL_UpdateOldEntNum( ++oldindex, oldframe, &oldent );
 			continue;
 		}
 
@@ -940,17 +925,7 @@ int CL_ParsePacketEntities( sizebuf_t *msg, qboolean delta )
 	{
 		// one or more entities from the old packet are unchanged
 		CL_DeltaEntity( msg, newframe, oldnum, oldent, false );
-		oldindex++;
-
-		if( oldindex >= oldframe->num_entities )
-		{
-			oldnum = MAX_ENTNUMBER;
-		}
-		else
-		{
-			oldent = &cls.packet_entities[(oldframe->first_entity+oldindex) % cls.num_client_entities];
-			oldnum = oldent->number;
-		}
+		oldnum = CL_UpdateOldEntNum( ++oldindex, oldframe, &oldent );
 	}
 
 	if( newframe->num_entities != count && newframe->num_entities != 0 )
@@ -972,7 +947,7 @@ int CL_ParsePacketEntities( sizebuf_t *msg, qboolean delta )
 		cls.signon = SIGNONS;
 
 		// Clear loading plaque.
-		CL_SignonReply ();
+		CL_SignonReply( proto );
 	}
 
 	return playerbytes;

engine/client/cl_game.c

@@ -252,18 +252,18 @@ static int CL_AdjustXPos( float x, int width, int totalWidth )
 
 	if( x == -1 )
 	{
-		xPos = ( refState.width - width ) * 0.5f;
+		xPos = ( clgame.scrInfo.iWidth - width ) * 0.5f;
 	}
 	else
 	{
 		if ( x < 0 )
-			xPos = (1.0f + x) * refState.width - totalWidth;	// Alight right
+			xPos = (1.0f + x) * clgame.scrInfo.iWidth - totalWidth;	// Alight right
 		else // align left
-			xPos = x * refState.width;
+			xPos = x * clgame.scrInfo.iWidth;
 	}
 
-	if( xPos + width > refState.width )
-		xPos = refState.width - width;
+	if( xPos + width > clgame.scrInfo.iWidth )
+		xPos = clgame.scrInfo.iWidth - width;
 	else if( xPos < 0 )
 		xPos = 0;
 
@@ -283,19 +283,19 @@ static int CL_AdjustYPos( float y, int height )
 
 	if( y == -1 ) // centered?
 	{
-		yPos = ( refState.height - height ) * 0.5f;
+		yPos = ( clgame.scrInfo.iHeight - height ) * 0.5f;
 	}
 	else
 	{
 		// Alight bottom?
 		if( y < 0 )
-			yPos = (1.0f + y) * refState.height - height; // Alight bottom
+			yPos = (1.0f + y) * clgame.scrInfo.iHeight - height; // Alight bottom
 		else // align top
-			yPos = y * refState.height;
+			yPos = y * clgame.scrInfo.iHeight;
 	}
 
-	if( yPos + height > refState.height )
-		yPos = refState.height - height;
+	if( yPos + height > clgame.scrInfo.iHeight )
+		yPos = clgame.scrInfo.iHeight - height;
 	else if( yPos < 0 )
 		yPos = 0;
 

engine/client/cl_main.c

@@ -170,6 +170,11 @@ int CL_IsDevOverviewMode( void )
 	return 0;
 }
 
+connprotocol_t CL_Protocol( void )
+{
+	return cls.legacymode;
+}
+
 /*
 ===============
 CL_CheckClientState
@@ -217,7 +222,7 @@ CL_SignonReply
 An svc_signonnum has been received, perform a client side setup
 =====================
 */
-void CL_SignonReply( void )
+void CL_SignonReply( connprotocol_t proto )
 {
 	// g-cont. my favorite message :-)
 	Con_Reportf( "%s: %i\n", __func__, cls.signon );
@@ -225,7 +230,7 @@ void CL_SignonReply( void )
 	switch( cls.signon )
 	{
 	case 1:
-		CL_ServerCommand( true, "begin" );
+		CL_ServerCommand( true, proto == PROTO_GOLDSRC ? "sendents" : "begin" );
 		if( host_developer.value >= DEV_EXTENDED )
 			Mem_PrintStats();
 		break;
@@ -693,7 +698,13 @@ void CL_WriteUsercmd( sizebuf_t *msg, int from, int to )
 	t = &cl.commands[to].cmd;
 
 	// write it into the buffer
-	MSG_WriteDeltaUsercmd( msg, f, t );
+	if( cls.legacymode == PROTO_GOLDSRC )
+	{
+		MSG_StartBitWriting( msg );
+		Delta_WriteGSFields( msg, DT_USERCMD_T, f, t, 0.0f );
+		MSG_EndBitWriting( msg );
+	}
+	else MSG_WriteDeltaUsercmd( msg, f, t );
 }
 
 /*
@@ -792,6 +803,9 @@ static void CL_WritePacket( void )
 		// begin a client move command
 		MSG_BeginClientCmd( &buf, clc_move );
 
+		if( cls.legacymode == PROTO_GOLDSRC )
+			MSG_WriteByte( &buf, 0 );
+
 		// save the position for a checksum byte
 		key = MSG_GetRealBytesWritten( &buf );
 		MSG_WriteByte( &buf, 0 );
@@ -829,8 +843,16 @@ static void CL_WritePacket( void )
 
 		// calculate a checksum over the move commands
 		size = MSG_GetRealBytesWritten( &buf ) - key - 1;
+		if( cls.legacymode == PROTO_GOLDSRC )
+		{
+			size = Q_min( size, 255 );
+			buf.pData[key - 1] = size;
+		}
 		buf.pData[key] = CRC32_BlockSequence( buf.pData + key + 1, size, cls.netchan.outgoing_sequence );
 
+		if( cls.legacymode == PROTO_GOLDSRC )
+			COM_Munge( buf.pData + key + 1, size, cls.netchan.outgoing_sequence );
+
 		// message we are constructing.
 		i = cls.netchan.outgoing_sequence & CL_UPDATE_MASK;
 
@@ -1048,7 +1070,31 @@ static void CL_SendConnectPacket( void )
 		Info_SetValueForKey( protinfo, "a", Q_buildarch(), sizeof( protinfo ) );
 	}
 
-	if( cls.legacymode )
+	if( cls.legacymode == PROTO_GOLDSRC )
+	{
+		byte send_buf[MAX_PRINT_MSG];
+		byte steam_cert[512];
+		sizebuf_t send;
+
+		protinfo[0] = 0;
+
+		memset( steam_cert, 0, sizeof( steam_cert ));
+
+		Info_SetValueForKey( protinfo, "prot", "3", sizeof( protinfo )); // steam auth type
+		Info_SetValueForKey( protinfo, "raw", "steam", sizeof( protinfo ));
+		Info_SetValueForKey( protinfo, "cdkey", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", sizeof( protinfo ));
+
+		Info_SetValueForStarKey( cls.userinfo, "*hltv", "0", sizeof( cls.userinfo ));
+
+		MSG_Init( &send, "GoldSrcConnect", send_buf, sizeof( send_buf ));
+		MSG_WriteLong( &send, NET_HEADER_OUTOFBANDPACKET );
+		MSG_WriteStringf( &send, "connect %i %i \"%s\" \"%s\"\n",
+			PROTOCOL_GOLDSRC_VERSION, cls.challenge, protinfo, cls.userinfo );
+		MSG_WriteBytes( &send, steam_cert, sizeof( steam_cert ));
+
+		NET_SendPacket( NS_CLIENT, MSG_GetNumBytesWritten( &send ), MSG_GetData( &send ), adr );
+	}
+	else if( cls.legacymode == PROTO_LEGACY )
 	{
 		// set related userinfo keys
 		if( cl_dlmax.value >= 40000 || cl_dlmax.value < 100 )
@@ -1147,7 +1193,7 @@ static void CL_CheckForResend( void )
 	if(( host.realtime - cls.connect_time ) < resendTime )
 		return;
 
-	res = NET_StringToAdrNB( cls.servername, &adr );
+	res = NET_StringToAdrNB( cls.servername, &adr, false );
 
 	if( res == NET_EAI_NONAME )
 	{
@@ -1278,11 +1324,12 @@ static void CL_Connect_f( void )
 			proto = PROTO_CURRENT;
 		else if( !Q_strcmp( s, "legacy" ) || !Q_strcmp( s, "48" ))
 			proto = PROTO_LEGACY;
+		else if( !Q_strcmp( s, "goldsrc" ))
+			proto = PROTO_GOLDSRC;
 		else
 		{
 			// quake protocol only used for demos
-			// goldsrc protocol is not supported yet
-			Con_Printf( "Unknown protocol. Supported are: current, legacy\n" );
+			Con_Printf( "Unknown protocol. Supported are: current, legacy, goldsrc\n" );
 			return;
 		}
 	}
@@ -1477,16 +1524,19 @@ static void CL_Reconnect( qboolean setup_netchan )
 {
 	if( setup_netchan )
 	{
-		Netchan_Setup( NS_CLIENT, &cls.netchan, net_from, Cvar_VariableInteger( "net_qport" ), NULL, CL_GetFragmentSize );
+		uint flags = 0;
 
-		if( cls.legacymode )
+		if( cls.legacymode == PROTO_GOLDSRC )
+		{
+			SetBits( flags, NETCHAN_USE_MUNGE | NETCHAN_USE_BZIP2 | NETCHAN_GOLDSRC );
+		}
+		else if( cls.legacymode == PROTO_LEGACY )
 		{
 			unsigned int extensions = Q_atoi( Cmd_Argv( 1 ) );
 
-			if( extensions & NET_LEGACY_EXT_SPLIT )
+			if( FBitSet( extensions, NET_LEGACY_EXT_SPLIT ))
 			{
-				// only enable incoming split for legacy mode
-				cls.netchan.split = true;
+				SetBits( flags, NETCHAN_USE_LEGACY_SPLIT );
 				Con_Reportf( "^2NET_EXT_SPLIT enabled^7 (packet sizes is %d/%d)\n", (int)cl_dlmax.value, 65536 );
 			}
 		}
@@ -1494,12 +1544,11 @@ static void CL_Reconnect( qboolean setup_netchan )
 		{
 			cls.extensions = Q_atoi( Info_ValueForKey( Cmd_Argv( 1 ), "ext" ));
 
-			if( cls.extensions & NET_EXT_SPLITSIZE )
-			{
+			if( FBitSet( cls.extensions, NET_EXT_SPLITSIZE ))
 				Con_Reportf( "^2NET_EXT_SPLITSIZE enabled^7 (packet size is %d)\n", (int)cl_dlmax.value );
-			}
 		}
 
+		Netchan_Setup( NS_CLIENT, &cls.netchan, net_from, Cvar_VariableInteger( "net_qport" ), NULL, CL_GetFragmentSize, flags );
 	}
 	else
 	{
@@ -2047,7 +2096,7 @@ static void CL_ConnectionlessPacket( netadr_t from, sizebuf_t *msg )
 	Con_Reportf( "%s: %s : %s\n", __func__, NET_AdrToString( from ), c );
 
 	// server connection
-	if( !Q_strcmp( c, "client_connect" ))
+	if( !Q_strcmp( c, "client_connect" ) || !Q_strcmp( c, S2C_CONNECTION ))
 	{
 		if( !CL_IsFromConnectingServer( from ))
 			return;
@@ -2169,7 +2218,7 @@ static void CL_ConnectionlessPacket( netadr_t from, sizebuf_t *msg )
 		// ping from somewhere
 		Netchan_OutOfBandPrint( NS_CLIENT, from, "ack" );
 	}
-	else if( !Q_strcmp( c, "challenge" ))
+	else if( !Q_strcmp( c, "challenge" ) || !Q_strcmp( c, S2C_CHALLENGE ))
 	{
 		// this message only used during connection
 		// it doesn't make sense after client_connect
@@ -2206,7 +2255,7 @@ static void CL_ConnectionlessPacket( netadr_t from, sizebuf_t *msg )
 		// dropped the connection but it is still getting packets from us
 		CL_Disconnect_f();
 	}
-	else if( !Q_strcmp( c, "errormsg" ))
+	else if( !Q_strcmp( c, "errormsg" ) || c[0] == S2C_REJECT || c[0] == S2C_REJECT_BADPASSWORD )
 	{
 		char formatted_msg[MAX_VA_STRING];
 
@@ -2214,6 +2263,8 @@ static void CL_ConnectionlessPacket( netadr_t from, sizebuf_t *msg )
 			return;
 
 		args = MSG_ReadString( msg );
+		if( c[0] == S2C_REJECT || c[0] == S2C_REJECT_BADPASSWORD )
+			args++; // skip one byte
 
 		Q_snprintf( formatted_msg, sizeof( formatted_msg ), "^3Server message^7\n%s", args );
 
@@ -2378,6 +2429,8 @@ static void CL_ReadNetMessage( void )
 		parsefn = CL_ParseQuakeMessage;
 		break;
 	case PROTO_GOLDSRC:
+		parsefn = CL_ParseGoldSrcServerMessage;
+		break;
 	default:
 		ASSERT( 0 );
 		return;
@@ -2697,7 +2750,7 @@ void CL_ProcessFile( qboolean successfully_received, const char *filename )
 			MSG_Init( &msg, "Resource Registration", msg_buf, sizeof( msg_buf ));
 
 			if( CL_PrecacheResources( ))
-				CL_RegisterResources( &msg );
+				CL_RegisterResources( &msg, cls.legacymode );
 
 			if( MSG_GetNumBytesWritten( &msg ) > 0 )
 			{

engine/client/cl_parse.c

@@ -216,7 +216,7 @@ CL_ParseSignon
 
 ==================
 */
-void CL_ParseSignon( sizebuf_t *msg )
+void CL_ParseSignon( sizebuf_t *msg, connprotocol_t proto )
 {
 	int	i = MSG_ReadByte( msg );
 
@@ -228,7 +228,7 @@ void CL_ParseSignon( sizebuf_t *msg )
 	}
 
 	cls.signon = i;
-	CL_SignonReply();
+	CL_SignonReply( proto );
 }
 
 /*
@@ -304,7 +304,7 @@ CL_ParseStaticEntity
 static client entity
 ==================
 */
-static void CL_ParseStaticEntity( sizebuf_t *msg )
+void CL_ParseStaticEntity( sizebuf_t *msg )
 {
 	int		i, newnum;
 	entity_state_t	from, to;
@@ -388,7 +388,6 @@ void CL_ParseStaticDecal( sizebuf_t *msg )
 {
 	vec3_t		origin;
 	int		decalIndex, entityIndex, modelIndex;
-	cl_entity_t	*ent = NULL;
 	float		scale;
 	int		flags;
 
@@ -532,7 +531,7 @@ void CL_BatchResourceRequest( qboolean initialize )
 	{
 		if( done_downloading && CL_PrecacheResources( ))
 		{
-			CL_RegisterResources( &msg );
+			CL_RegisterResources( &msg, cls.legacymode );
 		}
 
 		Netchan_CreateFragments( &cls.netchan, &msg );
@@ -846,7 +845,7 @@ void CL_ParseFileTransferFailed( sizebuf_t *msg )
 CL_ParseServerData
 ==================
 */
-void CL_ParseServerData( sizebuf_t *msg, qboolean legacy )
+void CL_ParseServerData( sizebuf_t *msg, connprotocol_t proto )
 {
 	char	gamefolder[MAX_QPATH];
 	string	mapfile;
@@ -856,7 +855,18 @@ void CL_ParseServerData( sizebuf_t *msg, qboolean legacy )
 
 	HPAK_CheckSize( hpk_custom_file.string );
 
-	Con_Reportf( "%s packet received.\n", legacy ? "Legacy serverdata" : "Serverdata" );
+	switch( proto )
+	{
+	case PROTO_LEGACY:
+		Con_Reportf( "Legacy serverdata packet received.\n" );
+		break;
+	case PROTO_GOLDSRC:
+		Con_Reportf( "GoldSrc serverdata packet received.\n" );
+		break;
+	default:
+		Con_Reportf( "Serverdata packet received.\n" );
+		break;
+	}
 
 	cls.timestart = Sys_DoubleTime();
 	cls.demowaiting = false;	// server is changed
@@ -873,7 +883,7 @@ void CL_ParseServerData( sizebuf_t *msg, qboolean legacy )
 	// parse protocol version number
 	i = MSG_ReadLong( msg );
 
-	if( legacy )
+	if( proto == PROTO_LEGACY || proto == PROTO_GOLDSRC ) // GoldSrc protocol version is 48, same as Xash3D 48
 	{
 		if( i != PROTOCOL_LEGACY_VERSION )
 			Host_Error( "Server use invalid protocol (%i should be %i)\n", i, PROTOCOL_LEGACY_VERSION );
@@ -886,40 +896,64 @@ void CL_ParseServerData( sizebuf_t *msg, qboolean legacy )
 
 	cl.servercount = MSG_ReadLong( msg );
 	cl.checksum = MSG_ReadLong( msg );
-	cl.playernum = MSG_ReadByte( msg );
-	cl.maxclients = MSG_ReadByte( msg );
-	clgame.maxEntities = MSG_ReadWord( msg );
-	if( legacy )
+	if( proto == PROTO_GOLDSRC )
 	{
-		clgame.maxEntities = bound( MIN_LEGACY_EDICTS, clgame.maxEntities, MAX_LEGACY_EDICTS );
+		byte clientdllmd5[16];
+		byte unused;
+
+		MSG_ReadBytes( msg, clientdllmd5, sizeof( clientdllmd5 ));
+		cl.maxclients = MSG_ReadByte( msg );
+		cl.playernum = MSG_ReadByte( msg );
+		unused = MSG_ReadByte( msg ); // coop flag
+		Q_strncpy( gamefolder, MSG_ReadString( msg ), sizeof( gamefolder ));
+		MSG_ReadString( msg ); // hostname
+		Q_strncpy( clgame.mapname, MSG_ReadString( msg ), sizeof( clgame.mapname ));
+		MSG_ReadString( msg ); // mapcycle?????
+		unused = MSG_ReadByte( msg ); // vac secure
+
+		background = false;
+		clgame.maxEntities = GI->max_edicts + (( cl.maxclients - 1 ) * 15 );
+		clgame.maxEntities = bound( MIN_LEGACY_EDICTS, clgame.maxEntities, MAX_GOLDSRC_EDICTS );
 		clgame.maxModels = 512; // ???
+		Q_strncpy( clgame.maptitle, clgame.mapname, sizeof( clgame.maptitle ));
 	}
 	else
 	{
-		clgame.maxEntities = bound( MIN_EDICTS, clgame.maxEntities, MAX_EDICTS );
-		clgame.maxModels = MSG_ReadWord( msg );
-	}
-	Q_strncpy( clgame.mapname, MSG_ReadString( msg ), sizeof( clgame.mapname ));
-	Q_strncpy( clgame.maptitle, MSG_ReadString( msg ), sizeof( clgame.maptitle ));
-	background = MSG_ReadOneBit( msg );
-	Q_strncpy( gamefolder, MSG_ReadString( msg ), sizeof( gamefolder ));
-	Host_ValidateEngineFeatures( MSG_ReadDword( msg ));
-
-	if( !legacy )
-	{
-		// receive the player hulls
-		for( i = 0; i < MAX_MAP_HULLS * 3; i++ )
+		cl.playernum = MSG_ReadByte( msg );
+		cl.maxclients = MSG_ReadByte( msg );
+		clgame.maxEntities = MSG_ReadWord( msg );
+		if( proto == PROTO_LEGACY )
 		{
-			host.player_mins[i/3][i%3] = MSG_ReadChar( msg );
-			host.player_maxs[i/3][i%3] = MSG_ReadChar( msg );
+			clgame.maxEntities = bound( MIN_LEGACY_EDICTS, clgame.maxEntities, MAX_LEGACY_EDICTS );
+			clgame.maxModels = 512; // ???
+		}
+		else
+		{
+			clgame.maxEntities = bound( MIN_EDICTS, clgame.maxEntities, MAX_EDICTS );
+			clgame.maxModels = MSG_ReadWord( msg );
+		}
+		Q_strncpy( clgame.mapname, MSG_ReadString( msg ), sizeof( clgame.mapname ));
+		Q_strncpy( clgame.maptitle, MSG_ReadString( msg ), sizeof( clgame.maptitle ));
+		background = MSG_ReadOneBit( msg );
+		Q_strncpy( gamefolder, MSG_ReadString( msg ), sizeof( gamefolder ));
+		Host_ValidateEngineFeatures( MSG_ReadDword( msg ));
+
+		if( proto == PROTO_LEGACY )
+		{
+			// receive the player hulls
+			for( i = 0; i < MAX_MAP_HULLS * 3; i++ )
+			{
+				host.player_mins[i/3][i%3] = MSG_ReadChar( msg );
+				host.player_maxs[i/3][i%3] = MSG_ReadChar( msg );
+			}
 		}
 	}
 
 	Q_snprintf( mapfile, sizeof( mapfile ), "maps/%s.bsp", clgame.mapname );
-	if( CRC32_MapFile( &mapCRC, mapfile, cl.maxclients > 1 ))
+	if( CRC32_MapFile( &cl.worldmapCRC, mapfile, cl.maxclients > 1 ))
 	{
 		// validate map checksum
-		if( mapCRC != cl.checksum )
+		if( cl.worldmapCRC != cl.checksum )
 		{
 			Con_Printf( S_ERROR "Your map [%s] differs from the server's.\n", clgame.mapname );
 			CL_Disconnect_f(); // for local game, call EndGame
@@ -1000,7 +1034,7 @@ void CL_ParseServerData( sizebuf_t *msg, qboolean legacy )
 		COM_ClearCustomizationList( &cl.players[i].customdata, true );
 	CL_CreateCustomizationList();
 
-	if( !legacy )
+	if( proto != PROTO_LEGACY )
 	{
 		// request resources from server
 		CL_ServerCommand( true, "sendres %i\n", cl.servercount );
@@ -1018,7 +1052,7 @@ void CL_ParseServerData( sizebuf_t *msg, qboolean legacy )
 CL_ParseClientData
 ===================
 */
-void CL_ParseClientData( sizebuf_t *msg )
+void CL_ParseClientData( sizebuf_t *msg, connprotocol_t proto )
 {
 	float		parsecounttime;
 	int		i, j, command_ack;
@@ -1152,7 +1186,9 @@ void CL_ParseClientData( sizebuf_t *msg )
 		from_wd = nullwd;
 	}
 
-	MSG_ReadClientData( msg, from_cd, to_cd, cl.mtime[0] );
+	if( proto == PROTO_GOLDSRC )
+		Delta_ReadGSFields( msg, DT_CLIENTDATA_T, from_cd, to_cd, cl.mtime[0] );
+	else MSG_ReadClientData( msg, from_cd, to_cd, cl.mtime[0] );
 
 	for( i = 0; i < 64; i++ )
 	{
@@ -1160,9 +1196,11 @@ void CL_ParseClientData( sizebuf_t *msg )
 		if( !MSG_ReadOneBit( msg )) break;
 
 		// read the weapon idx
-		idx = MSG_ReadUBitLong( msg, cls.legacymode ? MAX_LEGACY_WEAPON_BITS : MAX_WEAPON_BITS );
+		idx = MSG_ReadUBitLong( msg, proto == PROTO_LEGACY ? MAX_LEGACY_WEAPON_BITS : MAX_WEAPON_BITS );
 
-		MSG_ReadWeaponData( msg, &from_wd[idx], &to_wd[idx], cl.mtime[0] );
+		if( proto == PROTO_GOLDSRC )
+			Delta_ReadGSFields( msg, DT_WEAPONDATA_T, &from_wd[idx], &to_wd[idx], cl.mtime[0] );
+		else MSG_ReadWeaponData( msg, &from_wd[idx], &to_wd[idx], cl.mtime[0] );
 	}
 
 	// make a local copy of physinfo
@@ -1179,55 +1217,87 @@ void CL_ParseClientData( sizebuf_t *msg )
 CL_ParseBaseline
 ==================
 */
-void CL_ParseBaseline( sizebuf_t *msg, qboolean legacy )
+void CL_ParseBaseline( sizebuf_t *msg, connprotocol_t proto )
 {
-	int		i, newnum;
-	entity_state_t	nullstate;
-	qboolean		player;
-	cl_entity_t	*ent;
+	const entity_state_t nullstate = { 0 };
 
 	Delta_InitClient ();	// finalize client delta's
 
-	memset( &nullstate, 0, sizeof( nullstate ));
+	if( proto == PROTO_GOLDSRC )
+		MSG_StartBitWriting( msg );
 
 	while( 1 )
 	{
-		if( legacy )
+		cl_entity_t *ent;
+		qboolean player;
+		int newnum;
+
+		if( proto == PROTO_LEGACY )
 		{
 			newnum = MSG_ReadWord( msg );
 		}
+		else if( proto == PROTO_GOLDSRC )
+		{
+			uint value = MSG_ReadWord( msg );
+
+			if( value == 0xffff ) break; // end of baselines
+
+			MSG_SeekToBit( msg, -16, SEEK_CUR );
+			newnum = MSG_ReadUBitLong( msg, MAX_GOLDSRC_ENTITY_BITS );
+		}
 		else
 		{
 			newnum = MSG_ReadUBitLong( msg, MAX_ENTITY_BITS );
 			if( newnum == LAST_EDICT ) break; // end of baselines
 		}
+
 		player = CL_IsPlayerIndex( newnum );
 
 		if( newnum >= clgame.maxEntities )
 			Host_Error( "%s: no free edicts\n", __func__ );
 
 		ent = CL_EDICT_NUM( newnum );
-		memset( &ent->prevstate, 0, sizeof( ent->prevstate ));
+		ent->prevstate = nullstate;
 		ent->index = newnum;
 
-		MSG_ReadDeltaEntity( msg, &ent->prevstate, &ent->baseline, newnum, player, 1.0f );
-
-		if( legacy )
+		if( proto == PROTO_GOLDSRC )
 		{
-			break; // only one baseline allowed in legacy protocol
+			int type = MSG_ReadUBitLong( msg, 2 );
+			int bits = MSG_GetNumBitsWritten( msg );
+			int delta_type;
+
+			if( player ) delta_type = DT_ENTITY_STATE_PLAYER_T;
+			else if( type != ENTITY_NORMAL ) delta_type = DT_CUSTOM_ENTITY_STATE_T;
+			else delta_type = DT_ENTITY_STATE_T;
+
+			Delta_ReadGSFields( msg, delta_type, &ent->prevstate, &ent->baseline, 1.0f );
 		}
+		else MSG_ReadDeltaEntity( msg, &nullstate, &ent->baseline, newnum, player, 1.0f );
+
+		if( proto == PROTO_LEGACY )
+			break; // only one baseline allowed in legacy protocol
 	}
 
-	if( !legacy )
+	if( proto != PROTO_LEGACY )
 	{
+		int i;
+
 		cl.instanced_baseline_count = MSG_ReadUBitLong( msg, 6 );
 
 		for( i = 0; i < cl.instanced_baseline_count; i++ )
 		{
-			newnum = MSG_ReadUBitLong( msg, MAX_ENTITY_BITS );
-			MSG_ReadDeltaEntity( msg, &nullstate, &cl.instanced_baseline[i], newnum, false, 1.0f );
+			if( proto == PROTO_GOLDSRC )
+				Delta_ReadGSFields( msg, DT_ENTITY_STATE_T, &nullstate, &cl.instanced_baseline[i], 1.0f );
+			else
+			{
+				int newnum = MSG_ReadUBitLong( msg, MAX_ENTITY_BITS );
+				MSG_ReadDeltaEntity( msg, &nullstate, &cl.instanced_baseline[i], newnum, false, 1.0f );
+			}
 		}
 	}
+
+	if( proto == PROTO_GOLDSRC )
+		MSG_EndBitWriting( msg );
 }
 
 /*
@@ -1235,15 +1305,16 @@ void CL_ParseBaseline( sizebuf_t *msg, qboolean legacy )
 CL_ParseLightStyle
 ================
 */
-void CL_ParseLightStyle( sizebuf_t *msg )
+void CL_ParseLightStyle( sizebuf_t *msg, connprotocol_t proto )
 {
 	int		style;
 	const char	*s;
-	float		f;
+	float		f = 0.0f;
 
 	style = MSG_ReadByte( msg );
 	s = MSG_ReadString( msg );
-	f = MSG_ReadFloat( msg );
+	if( proto != PROTO_GOLDSRC )
+		f = MSG_ReadFloat( msg );
 
 	CL_SetLightstyle( style, s, f );
 }
@@ -1372,26 +1443,36 @@ CL_UpdateUserinfo
 collect userinfo from all players
 ================
 */
-void CL_UpdateUserinfo( sizebuf_t *msg, qboolean legacy )
+void CL_UpdateUserinfo( sizebuf_t *msg, connprotocol_t proto )
 {
 	int		slot, id;
 	qboolean		active;
 	player_info_t	*player;
 
-	slot = MSG_ReadUBitLong( msg, MAX_CLIENT_BITS );
+	if( proto == PROTO_GOLDSRC )
+	{
+		slot = MSG_ReadByte( msg );
+		id = MSG_ReadLong( msg );
+		active = true;
+	}
+	else if( proto == PROTO_LEGACY )
+	{
+		slot = MSG_ReadUBitLong( msg, MAX_CLIENT_BITS );
+		id = 0; // bogus
+		active = MSG_ReadOneBit( msg ) ? true : false;
+	}
+	else
+	{
+		slot = MSG_ReadUBitLong( msg, MAX_CLIENT_BITS );
+		id = MSG_ReadLong( msg );	// unique user ID
+		active = MSG_ReadOneBit( msg ) ? true : false;
+	}
 
 	if( slot >= MAX_CLIENTS )
 		Host_Error( "%s: svc_updateuserinfo >= MAX_CLIENTS\n", __func__ );
 
 	player = &cl.players[slot];
 
-	if( !legacy )
-		id = MSG_ReadLong( msg );	// unique user ID
-	else
-		id = 0; // bogus
-
-	active = MSG_ReadOneBit( msg ) ? true : false;
-
 	if( active )
 	{
 		Q_strncpy( player->userinfo, MSG_ReadString( msg ), sizeof( player->userinfo ));
@@ -1400,7 +1481,7 @@ void CL_UpdateUserinfo( sizebuf_t *msg, qboolean legacy )
 		player->topcolor = Q_atoi( Info_ValueForKey( player->userinfo, "topcolor" ));
 		player->bottomcolor = Q_atoi( Info_ValueForKey( player->userinfo, "bottomcolor" ));
 		player->spectator = Q_atoi( Info_ValueForKey( player->userinfo, "*hltv" ));
-		if( !legacy )
+		if( proto != PROTO_LEGACY )
 			MSG_ReadBytes( msg, player->hashedcdkey, sizeof( player->hashedcdkey ));
 
 		if( slot == cl.playernum ) gameui.playerinfo = *player;
@@ -1610,7 +1691,7 @@ CL_RegisterResources
 Clean up and move to next part of sequence.
 ==================
 */
-void CL_RegisterResources( sizebuf_t *msg )
+void CL_RegisterResources( sizebuf_t *msg, connprotocol_t proto )
 {
 	model_t	*mod;
 	int	i;
@@ -1672,7 +1753,13 @@ void CL_RegisterResources( sizebuf_t *msg )
 			// done with all resources, issue prespawn command.
 			// Include server count in case server disconnects and changes level during d/l
 			MSG_BeginClientCmd( msg, clc_stringcmd );
-			MSG_WriteStringf( msg, "spawn %i", cl.servercount );
+			if( proto == PROTO_GOLDSRC )
+			{
+				int32_t crc = cl.worldmapCRC;
+				COM_Munge2((byte*)&crc, sizeof( crc ), ( 0xff - cl.servercount ) & 0xff );
+				MSG_WriteStringf( msg, "spawn %i %i", cl.servercount, crc );
+			}
+			else MSG_WriteStringf( msg, "spawn %i", cl.servercount );
 		}
 	}
 	else
@@ -1682,7 +1769,7 @@ void CL_RegisterResources( sizebuf_t *msg )
 	}
 }
 
-static void CL_ParseConsistencyInfo( sizebuf_t *msg )
+static void CL_ParseConsistencyInfo( sizebuf_t *msg, connprotocol_t proto )
 {
 	int		lastcheck;
 	int		delta;
@@ -1710,7 +1797,7 @@ static void CL_ParseConsistencyInfo( sizebuf_t *msg )
 		isdelta = MSG_ReadOneBit( msg );
 
 		if( isdelta ) delta = MSG_ReadUBitLong( msg, 5 ) + lastcheck;
-		else delta = MSG_ReadUBitLong( msg, MAX_MODEL_BITS );
+		else delta = MSG_ReadUBitLong( msg, proto == PROTO_GOLDSRC ? MAX_GOLDSRC_MODEL_BITS : MAX_MODEL_BITS );
 
 		skip = delta - lastcheck;
 
@@ -1747,12 +1834,12 @@ CL_ParseResourceList
 
 ==============
 */
-static void CL_ParseResourceList( sizebuf_t *msg )
+void CL_ParseResourceList( sizebuf_t *msg, connprotocol_t proto )
 {
 	resource_t	*pResource;
 	int		i, total;
 
-	total = MSG_ReadUBitLong( msg, MAX_RESOURCE_BITS );
+	total = MSG_ReadUBitLong( msg, proto == PROTO_GOLDSRC ? MAX_GOLDSRC_RESOURCE_BITS : MAX_RESOURCE_BITS );
 
 	for( i = 0; i < total; i++ )
 	{
@@ -1761,7 +1848,7 @@ static void CL_ParseResourceList( sizebuf_t *msg )
 
 		Q_strncpy( pResource->szFileName, MSG_ReadString( msg ), sizeof( pResource->szFileName ));
 		pResource->nIndex = MSG_ReadUBitLong( msg, MAX_MODEL_BITS );
-		pResource->nDownloadSize = MSG_ReadSBitLong( msg, 24 );
+		pResource->nDownloadSize = MSG_ReadBitLong( msg, 24, proto != PROTO_GOLDSRC );
 		pResource->ucFlags = MSG_ReadUBitLong( msg, 3 ) & ~RES_WASMISSING;
 
 		if( FBitSet( pResource->ucFlags, RES_CUSTOM ))
@@ -1773,7 +1860,7 @@ static void CL_ParseResourceList( sizebuf_t *msg )
 		CL_AddToResourceList( pResource, &cl.resourcesneeded );
 	}
 
-	CL_ParseConsistencyInfo( msg );
+	CL_ParseConsistencyInfo( msg, proto );
 
 	CL_StartResourceDownloading( "Verifying and downloading resources...\n", false );
 }
@@ -1784,7 +1871,7 @@ CL_ParseVoiceInit
 
 ==================
 */
-static void CL_ParseVoiceInit( sizebuf_t *msg )
+void CL_ParseVoiceInit( sizebuf_t *msg )
 {
 	char *pszCodec = MSG_ReadString( msg );
 	int quality = MSG_ReadByte( msg );
@@ -1798,7 +1885,7 @@ CL_ParseVoiceData
 
 ==================
 */
-static void CL_ParseVoiceData( sizebuf_t *msg )
+void CL_ParseVoiceData( sizebuf_t *msg )
 {
 	int size, idx, frames;
 	byte received[8192];
@@ -2045,7 +2132,7 @@ CL_ParseExec
 Exec map/class specific configs
 ==============
 */
-static void CL_ParseExec( sizebuf_t *msg )
+void CL_ParseExec( sizebuf_t *msg )
 {
 	qboolean is_class;
 	int class_idx;
@@ -2268,7 +2355,7 @@ void CL_ParseServerMessage( sizebuf_t *msg )
 			Host_AbortCurrentFrame ();
 			break;
 		case svc_event:
-			CL_ParseEvent( msg );
+			CL_ParseEvent( msg, PROTO_CURRENT );
 			cl.frames[cl.parsecountmod].graphdata.event += MSG_GetNumBytesRead( msg ) - bufStart;
 			break;
 		case svc_changing:
@@ -2343,19 +2430,19 @@ void CL_ParseServerMessage( sizebuf_t *msg )
 			break;
 		case svc_serverdata:
 			Cbuf_Execute(); // make sure any stuffed commands are done
-			CL_ParseServerData( msg, false );
+			CL_ParseServerData( msg, PROTO_CURRENT );
 			break;
 		case svc_lightstyle:
-			CL_ParseLightStyle( msg );
+			CL_ParseLightStyle( msg, PROTO_CURRENT );
 			break;
 		case svc_updateuserinfo:
-			CL_UpdateUserinfo( msg, false );
+			CL_UpdateUserinfo( msg, PROTO_CURRENT );
 			break;
 		case svc_deltatable:
 			Delta_ParseTableField( msg );
 			break;
 		case svc_clientdata:
-			CL_ParseClientData( msg );
+			CL_ParseClientData( msg, PROTO_CURRENT );
 			cl.frames[cl.parsecountmod].graphdata.client += MSG_GetNumBytesRead( msg ) - bufStart;
 			break;
 		case svc_resource:
@@ -2375,21 +2462,21 @@ void CL_ParseServerMessage( sizebuf_t *msg )
 			CL_ParseStaticEntity( msg );
 			break;
 		case svc_event_reliable:
-			CL_ParseReliableEvent( msg );
+			CL_ParseReliableEvent( msg, PROTO_CURRENT );
 			cl.frames[cl.parsecountmod].graphdata.event += MSG_GetNumBytesRead( msg ) - bufStart;
 			break;
 		case svc_spawnbaseline:
-			CL_ParseBaseline( msg, false );
+			CL_ParseBaseline( msg, PROTO_CURRENT );
 			break;
 		case svc_temp_entity:
-			CL_ParseTempEntity( msg );
+			CL_ParseTempEntity( msg, PROTO_CURRENT );
 			cl.frames[cl.parsecountmod].graphdata.tentities += MSG_GetNumBytesRead( msg ) - bufStart;
 			break;
 		case svc_setpause:
 			cl.paused = ( MSG_ReadOneBit( msg ) != 0 );
 			break;
 		case svc_signonnum:
-			CL_ParseSignon( msg );
+			CL_ParseSignon( msg, PROTO_CURRENT );
 			break;
 		case svc_centerprint:
 			CL_CenterPrint( MSG_ReadString( msg ), 0.25f );
@@ -2432,12 +2519,12 @@ void CL_ParseServerMessage( sizebuf_t *msg )
 			CL_RegisterUserMessage( msg );
 			break;
 		case svc_packetentities:
-			playerbytes = CL_ParsePacketEntities( msg, false );
+			playerbytes = CL_ParsePacketEntities( msg, false, PROTO_CURRENT );
 			cl.frames[cl.parsecountmod].graphdata.players += playerbytes;
 			cl.frames[cl.parsecountmod].graphdata.entities += MSG_GetNumBytesRead( msg ) - bufStart - playerbytes;
 			break;
 		case svc_deltapacketentities:
-			playerbytes = CL_ParsePacketEntities( msg, true );
+			playerbytes = CL_ParsePacketEntities( msg, true, PROTO_CURRENT );
 			cl.frames[cl.parsecountmod].graphdata.players += playerbytes;
 			cl.frames[cl.parsecountmod].graphdata.entities += MSG_GetNumBytesRead( msg ) - bufStart - playerbytes;
 			break;
@@ -2446,7 +2533,7 @@ void CL_ParseServerMessage( sizebuf_t *msg )
 			cl.frames[cls.netchan.incoming_sequence & CL_UPDATE_MASK].receivedtime = -2.0;
 			break;
 		case svc_resourcelist:
-			CL_ParseResourceList( msg );
+			CL_ParseResourceList( msg, PROTO_CURRENT );
 			break;
 		case svc_deltamovevars:
 			CL_ParseMovevars( msg );

engine/client/cl_parse_48.c

@@ -359,7 +359,7 @@ void CL_ParseLegacyServerMessage( sizebuf_t *msg )
 			Host_AbortCurrentFrame ();
 			break;
 		case svc_legacy_event:
-			CL_ParseEvent( msg );
+			CL_ParseEvent( msg, PROTO_LEGACY );
 			cl.frames[cl.parsecountmod].graphdata.event += MSG_GetNumBytesRead( msg ) - bufStart;
 			break;
 		case svc_legacy_changing:
@@ -446,19 +446,19 @@ void CL_ParseLegacyServerMessage( sizebuf_t *msg )
 			break;
 		case svc_serverdata:
 			Cbuf_Execute(); // make sure any stuffed commands are done
-			CL_ParseServerData( msg, true );
+			CL_ParseServerData( msg, PROTO_LEGACY );
 			break;
 		case svc_lightstyle:
-			CL_ParseLightStyle( msg );
+			CL_ParseLightStyle( msg, PROTO_LEGACY );
 			break;
 		case svc_updateuserinfo:
-			CL_UpdateUserinfo( msg, true );
+			CL_UpdateUserinfo( msg, PROTO_LEGACY );
 			break;
 		case svc_deltatable:
 			Delta_ParseTableField( msg );
 			break;
 		case svc_clientdata:
-			CL_ParseClientData( msg );
+			CL_ParseClientData( msg, PROTO_LEGACY );
 			cl.frames[cl.parsecountmod].graphdata.client += MSG_GetNumBytesRead( msg ) - bufStart;
 			break;
 		case svc_resource:
@@ -478,21 +478,21 @@ void CL_ParseLegacyServerMessage( sizebuf_t *msg )
 			CL_LegacyParseStaticEntity( msg );
 			break;
 		case svc_event_reliable:
-			CL_ParseReliableEvent( msg );
+			CL_ParseReliableEvent( msg, PROTO_LEGACY );
 			cl.frames[cl.parsecountmod].graphdata.event += MSG_GetNumBytesRead( msg ) - bufStart;
 			break;
 		case svc_spawnbaseline:
-			CL_ParseBaseline( msg, true );
+			CL_ParseBaseline( msg, PROTO_LEGACY );
 			break;
 		case svc_temp_entity:
-			CL_ParseTempEntity( msg );
+			CL_ParseTempEntity( msg, PROTO_LEGACY );
 			cl.frames[cl.parsecountmod].graphdata.tentities += MSG_GetNumBytesRead( msg ) - bufStart;
 			break;
 		case svc_setpause:
 			cl.paused = ( MSG_ReadOneBit( msg ) != 0 );
 			break;
 		case svc_signonnum:
-			CL_ParseSignon( msg );
+			CL_ParseSignon( msg, PROTO_LEGACY );
 			break;
 		case svc_centerprint:
 			CL_CenterPrint( MSG_ReadString( msg ), 0.25f );
@@ -538,12 +538,12 @@ void CL_ParseLegacyServerMessage( sizebuf_t *msg )
 			CL_RegisterUserMessage( msg );
 			break;
 		case svc_packetentities:
-			playerbytes = CL_ParsePacketEntities( msg, false );
+			playerbytes = CL_ParsePacketEntities( msg, false, PROTO_LEGACY );
 			cl.frames[cl.parsecountmod].graphdata.players += playerbytes;
 			cl.frames[cl.parsecountmod].graphdata.entities += MSG_GetNumBytesRead( msg ) - bufStart - playerbytes;
 			break;
 		case svc_deltapacketentities:
-			playerbytes = CL_ParsePacketEntities( msg, true );
+			playerbytes = CL_ParsePacketEntities( msg, true, PROTO_LEGACY );
 			cl.frames[cl.parsecountmod].graphdata.players += playerbytes;
 			cl.frames[cl.parsecountmod].graphdata.entities += MSG_GetNumBytesRead( msg ) - bufStart - playerbytes;
 			break;
@@ -658,8 +658,3 @@ void CL_LegacyPrecache_f( void )
 	MSG_WriteStringf( &cls.netchan.message, "begin %i", spawncount );
 	cls.signon = SIGNONS - 1;
 }
-
-qboolean CL_LegacyMode( void )
-{
-	return cls.legacymode == PROTO_LEGACY;
-}

engine/client/cl_parse_gs.c

@@ -0,0 +1,761 @@
+/*
+cl_parse.c - parse a message received from the server (GoldSrc 48 protocol)
+Copyright (C) 2008 Uncle Mike
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+*/
+
+#include "common.h"
+#include "client.h"
+#include "net_encode.h"
+#include "particledef.h"
+#include "cl_tent.h"
+#include "shake.h"
+#include "hltv.h"
+#include "input.h"
+#include "server.h"
+
+static void CL_ParseExtraInfo( sizebuf_t *msg )
+{
+	string clientfallback;
+
+	Q_strncpy( clientfallback, MSG_ReadString( msg ), sizeof( clientfallback ));
+	Cvar_FullSet( "sv_cheats", MSG_ReadByte( msg ) ? "1" : "0", FCVAR_READ_ONLY | FCVAR_SERVER );
+}
+
+static void CL_ParseNewMovevars( sizebuf_t *msg )
+{
+	Delta_InitClient(); // finalize client delta's
+
+	clgame.movevars.gravity           = MSG_ReadFloat( msg );
+	clgame.movevars.stopspeed         = MSG_ReadFloat( msg );
+	clgame.movevars.maxspeed          = MSG_ReadFloat( msg );
+	clgame.movevars.spectatormaxspeed = MSG_ReadFloat( msg );
+	clgame.movevars.accelerate        = MSG_ReadFloat( msg );
+	clgame.movevars.airaccelerate     = MSG_ReadFloat( msg );
+	clgame.movevars.wateraccelerate   = MSG_ReadFloat( msg );
+	clgame.movevars.friction          = MSG_ReadFloat( msg );
+	clgame.movevars.edgefriction      = MSG_ReadFloat( msg );
+	clgame.movevars.waterfriction     = MSG_ReadFloat( msg );
+	clgame.movevars.entgravity        = MSG_ReadFloat( msg );
+	clgame.movevars.bounce            = MSG_ReadFloat( msg );
+	clgame.movevars.stepsize          = MSG_ReadFloat( msg );
+	clgame.movevars.maxvelocity       = MSG_ReadFloat( msg );
+	clgame.movevars.zmax              = MSG_ReadFloat( msg );
+	clgame.movevars.waveHeight        = MSG_ReadFloat( msg );
+	clgame.movevars.footsteps         = MSG_ReadByte( msg );
+	clgame.movevars.rollangle         = MSG_ReadFloat( msg );
+	clgame.movevars.rollspeed         = MSG_ReadFloat( msg );
+	clgame.movevars.skycolor_r        = MSG_ReadFloat( msg );
+	clgame.movevars.skycolor_g        = MSG_ReadFloat( msg );
+	clgame.movevars.skycolor_b        = MSG_ReadFloat( msg );
+	clgame.movevars.skyvec_x          = MSG_ReadFloat( msg );
+	clgame.movevars.skyvec_y          = MSG_ReadFloat( msg );
+	clgame.movevars.skyvec_z          = MSG_ReadFloat( msg );
+
+	Q_strncpy( clgame.movevars.skyName, MSG_ReadString( msg ), sizeof( clgame.movevars.skyName ));
+
+	// water alpha is not allowed
+	if( !FBitSet( world.flags, FWORLD_WATERALPHA ))
+		clgame.movevars.wateralpha = 1.0f;
+
+	// update sky if changed
+	if( Q_strcmp( clgame.oldmovevars.skyName, clgame.movevars.skyName ) && cl.video_prepped )
+		R_SetupSky( clgame.movevars.skyName );
+
+	memcpy( &clgame.oldmovevars, &clgame.movevars, sizeof( movevars_t ));
+	clgame.entities->curstate.scale = clgame.movevars.waveHeight;
+
+	// keep features an actual!
+	clgame.oldmovevars.features = clgame.movevars.features = host.features;
+}
+
+static void CL_ParseNewUserMsg( sizebuf_t *msg )
+{
+	int svc_num, size;
+	char s[16];
+
+	svc_num = MSG_ReadByte( msg );
+	size = MSG_ReadByte( msg );
+	MSG_ReadBytes( msg, s, sizeof( s ));
+
+	s[15] = 0;
+	if( size == 255 )
+		size = -1;
+
+	CL_LinkUserMessage( s, svc_num, size );
+}
+
+typedef struct delta_header_t
+{
+	qboolean remove : 1;
+	qboolean custom : 1;
+	qboolean instanced : 1;
+	uint instanced_baseline_index : 6;
+	uint offset : 6;
+} delta_header_t;
+
+static int CL_ParseDeltaHeader( sizebuf_t *msg, qboolean delta, int oldnum, struct delta_header_t *hdr )
+{
+	int entnum;
+
+	hdr->remove = hdr->custom = hdr->instanced = false;
+	hdr->instanced_baseline_index = hdr->offset = 0;
+	entnum = oldnum;
+
+	if( !delta )
+	{
+		// if we have one bit set, then it's a next entity in line
+		// if we have next bit NON set, then it's a one of next 64 entities
+		// if not, it's a new entity
+		if( MSG_ReadOneBit( msg ))
+			entnum++;
+		else if( MSG_ReadOneBit( msg ) == 0 )
+			entnum += MSG_ReadUBitLong( msg, 6 );
+		else
+			entnum += MSG_ReadUBitLong( msg, MAX_GOLDSRC_ENTITY_BITS );
+	}
+	else
+	{
+		// does this packet encode entity deletion?
+		hdr->remove = MSG_ReadOneBit( msg );
+
+		// same logic as above
+		if( MSG_ReadOneBit( msg ) == 0 )
+			entnum += MSG_ReadUBitLong( msg, 6 );
+		else entnum = MSG_ReadUBitLong( msg, MAX_GOLDSRC_ENTITY_BITS );
+	}
+
+	// if we are not removing this entity
+	if( !hdr->remove )
+	{
+		hdr->custom = MSG_ReadOneBit( msg );
+
+		hdr->instanced = false;
+		hdr->instanced_baseline_index = 0;
+
+		// do we got instanced baselines in svc_spawnbaselines?
+		if( cl.instanced_baseline_count )
+		{
+			hdr->instanced = MSG_ReadOneBit( msg );
+			if( hdr->instanced )
+				hdr->instanced_baseline_index = MSG_ReadUBitLong( msg, 6 );
+		}
+
+		hdr->offset = 0;
+		if( !delta && !hdr->instanced )
+		{
+			if( MSG_ReadOneBit( msg ))
+				hdr->offset = MSG_ReadUBitLong( msg, 6 );
+		}
+	}
+
+	return entnum;
+}
+
+static int CL_GetEntityDelta( const struct delta_header_t *hdr, int entnum )
+{
+	if( hdr->custom )
+		return DT_CUSTOM_ENTITY_STATE_T;
+
+	if( CL_IsPlayerIndex( entnum ))
+		return DT_ENTITY_STATE_PLAYER_T;
+
+	return DT_ENTITY_STATE_T;
+}
+
+static void CL_FlushEntityPacketGS( frame_t *frame, sizebuf_t *msg )
+{
+	frame->valid = false;
+	cl.validsequence = 0; // can't render a frame
+
+	// read it all but ignore it
+	while( 1 )
+	{
+		int num = 0;
+		entity_state_t from = { 0 }, to;
+		delta_header_t hdr;
+
+		if( MSG_ReadWord( msg ) != 0 )
+		{
+			MSG_SeekToBit( msg, -16, SEEK_CUR );
+
+			num = CL_ParseDeltaHeader( msg, false, num, &hdr );
+		}
+		else break;
+
+		if( MSG_CheckOverflow( msg ))
+			Host_Error( "%s: overflow\n", __func__ );
+
+		if( hdr.remove )
+			continue;
+
+		Delta_ReadGSFields( msg, CL_GetEntityDelta( &hdr, num ), &from, &to, cl.mtime[0] );
+	}
+
+	MSG_EndBitWriting( msg );
+}
+
+static void CL_DeltaEntityGS( const delta_header_t *hdr, sizebuf_t *msg, frame_t *frame, int newnum, entity_state_t *from, qboolean has_update )
+{
+	cl_entity_t	*ent;
+	entity_state_t	*to;
+	qboolean newent = from == NULL;
+	int pack = frame->num_entities;
+
+	// alloc next slot to store update
+	to = &cls.packet_entities[cls.next_client_entities % cls.num_client_entities];
+
+	if(( newnum < 0 ) || ( newnum >= clgame.maxEntities ))
+	{
+		Con_DPrintf( S_ERROR "CL_DeltaEntity: invalid newnum: %d\n", newnum );
+		Host_Error( "%s: bad delta entity number: %i", __func__, newnum );
+		return;
+	}
+
+	ent = CL_EDICT_NUM( newnum );
+	if( hdr->remove )
+	{
+		if( !newent )
+			CL_KillDeadBeams( ent );
+		return;
+	}
+
+	ent->index = newnum; // enumerate entity index
+	if( newent )
+	{
+		if( hdr->instanced )
+			from = &cl.instanced_baseline[hdr->instanced_baseline_index];
+		else if( hdr->offset != 0 )
+			from = &cls.packet_entities[(cls.next_client_entities - hdr->offset) % cls.num_client_entities];
+		else
+			from = &ent->baseline;
+	}
+
+	if( has_update )
+		Delta_ReadGSFields( msg, CL_GetEntityDelta( hdr, newnum ), from, to, cl.mtime[0] );
+	else memcpy( to, from, sizeof( entity_state_t ));
+
+	to->entityType = hdr->custom ? ENTITY_BEAM : ENTITY_NORMAL;
+	to->number = newnum;
+
+	if( newent )
+	{
+		// interpolation must be reset
+		SETVISBIT( frame->flags, pack );
+
+		// release beams from previous entity
+		CL_KillDeadBeams( ent );
+	}
+
+	// add entity to packet
+	cls.next_client_entities++;
+	frame->num_entities++;
+}
+
+static void CL_CopyPacketEntity( frame_t *frame, int num, entity_state_t *from )
+{
+	delta_header_t fakehdr =
+	{
+		.custom = FBitSet( from->entityType, ENTITY_BEAM ) == ENTITY_BEAM,
+	};
+	CL_DeltaEntityGS( &fakehdr, NULL, frame, num, from, false );
+}
+
+static int CL_ParsePacketEntitiesGS( sizebuf_t *msg, qboolean delta )
+{
+	frame_t *frame, *oldframe;
+	int oldindex, newnum, oldnum, numbase = 0;
+	entity_state_t *oldent;
+	int count;
+	int playerbytes = 0;
+
+	// save first uncompressed packet as timestamp
+	if( cls.changelevel && !delta && cls.demorecording )
+		CL_WriteDemoJumpTime();
+
+	count = MSG_ReadWord( msg );
+
+	frame = &cl.frames[cl.parsecountmod];
+	memset( frame->flags, 0, sizeof( frame->flags ));
+	frame->first_entity = cls.next_client_entities;
+	frame->num_entities = 0;
+	frame->valid = true;
+
+	MSG_StartBitWriting( msg );
+
+	if( delta )
+	{
+		uint oldpacket = MSG_ReadByte( msg );
+		oldframe = &cl.frames[oldpacket & CL_UPDATE_MASK];
+
+		if( !CL_ValidateDeltaPacket( oldpacket, oldframe ))
+		{
+			CL_FlushEntityPacketGS( frame, msg );
+			return playerbytes;
+		}
+	}
+	else
+	{
+		oldframe = NULL;
+		cl.send_reply = true;
+		cls.demowaiting = false;
+	}
+
+	cl.validsequence = cls.netchan.incoming_sequence;
+
+	oldent = NULL;
+	oldindex = 0;
+	oldnum = CL_UpdateOldEntNum( oldindex, oldframe, &oldent );
+
+	// read it all but ignore it
+	while( 1 )
+	{
+		int bufstart;
+		qboolean player;
+		delta_header_t hdr;
+		int val = MSG_ReadWord( msg );
+
+		if( val )
+		{
+			MSG_SeekToBit( msg, -16, SEEK_CUR );
+			numbase = newnum = CL_ParseDeltaHeader( msg, delta, numbase, &hdr );
+		}
+		else break;
+
+		if( MSG_CheckOverflow( msg ))
+			Host_Error( "%s: overflow\n", __func__ );
+
+		player = CL_IsPlayerIndex( newnum );
+
+		while( oldnum < newnum )
+		{
+			// one or more entities from the old packet are unchanged
+			CL_CopyPacketEntity( frame, oldnum, oldent );
+			oldnum = CL_UpdateOldEntNum( ++oldindex, oldframe, &oldent );
+		}
+
+		bufstart = MSG_GetNumBytesRead( msg );
+
+		if( oldnum == newnum )
+		{
+			// from delta
+			CL_DeltaEntityGS( &hdr, msg, frame, newnum, oldent, true );
+			oldnum = CL_UpdateOldEntNum( ++oldindex, oldframe, &oldent );
+		}
+		else if( oldnum > newnum )
+		{
+			// from baseline
+			CL_DeltaEntityGS( &hdr, msg, frame, newnum, NULL, true );
+		}
+
+		if( player ) playerbytes += MSG_GetNumBytesRead( msg ) - bufstart;
+	}
+
+	if( MSG_CheckOverflow( msg ))
+		Host_Error( "%s: overflow\n", __func__ );
+
+	// any remaining entities in the old frame are copied over
+	while( oldnum != MAX_ENTNUMBER )
+	{
+		// one or more entities from the old packet are unchanged
+		CL_CopyPacketEntity( frame, oldnum, oldent );
+		oldnum = CL_UpdateOldEntNum( ++oldindex, oldframe, &oldent );
+	}
+
+	MSG_EndBitWriting( msg );
+
+	if( frame->num_entities != count )
+		Con_Reportf( S_WARN "CL_Parse%sPacketEntitiesGS: (%i should be %i)\n", delta ? "Delta" : "", frame->num_entities, count );
+
+	if( !frame->valid )
+		return playerbytes;
+
+	CL_ProcessPacket( frame );
+	CL_SetSolidEntities();
+
+	// first update is the final signon stage where we actually receive an entity (i.e., the world at least)
+	if( cls.signon == ( SIGNONS - 1 ))
+	{
+		// we are done with signon sequence.
+		cls.signon = SIGNONS;
+
+		// Clear loading plaque.
+		CL_SignonReply( PROTO_GOLDSRC );
+	}
+
+	return playerbytes;
+}
+
+static float MSG_ReadGSBitCoord( sizebuf_t *sb )
+{
+	float value = 0;
+	int ival, fval;
+
+	ival = MSG_ReadOneBit( sb );
+	fval = MSG_ReadOneBit( sb );
+
+	if( ival || fval )
+	{
+		int sign = MSG_ReadOneBit( sb );
+
+		if( ival )
+			ival = MSG_ReadUBitLong( sb, 12 );
+		if( fval )
+			fval = MSG_ReadUBitLong( sb, 3 );
+
+		value = (float)( fval / 8.0 + ival );
+		if( sign )
+			value = -value;
+	}
+
+	return value;
+}
+
+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 );
+	if( x )
+		fa[0] = MSG_ReadGSBitCoord( sb );
+	if( y )
+		fa[1] = MSG_ReadGSBitCoord( sb );
+	if( z )
+		fa[2] = MSG_ReadGSBitCoord( sb );
+}
+
+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 );
+
+	if( FBitSet( flags, SND_VOLUME ))
+		volume = (float)MSG_ReadByte( msg ) / 255.0f;
+	else volume = VOL_NORM;
+
+	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 );
+	sound = MSG_ReadUBitLong( msg, FBitSet( flags, SND_SEQUENCE ) ? 16 : 8 );
+	MSG_ReadGSBitVec3Coord( msg, pos );
+
+	if( FBitSet( flags, SND_PITCH ))
+		pitch = MSG_ReadByte( msg );
+	else pitch = PITCH_NORM;
+
+	MSG_EndBitWriting( msg );
+
+	if( FBitSet( flags, SND_SENTENCE ))
+	{
+		char	sentenceName[32];
+
+		if( FBitSet( flags, SND_SEQUENCE ))
+			Q_snprintf( sentenceName, sizeof( sentenceName ), "!#%i", sound + MAX_SOUNDS_NONSENTENCE );
+		else Q_snprintf( sentenceName, sizeof( sentenceName ), "!%i", sound );
+
+		handle = S_RegisterSound( sentenceName );
+	}
+	else handle = cl.sound_index[sound];	// see precached sound
+
+	if( !cl.audio_prepped )
+		return; // too early
+
+	// g-cont. sound and ambient sound have only difference with channel
+	if( chan == CHAN_STATIC )
+	{
+		S_AmbientSound( pos, entnum, handle, volume, attn, pitch, flags );
+	}
+	else
+	{
+		S_StartSound( pos, entnum, chan, handle, volume, attn, pitch, flags );
+	}
+}
+
+static void CL_ParseSpawnStaticSound( sizebuf_t *msg )
+{
+	vec3_t pos;
+	int handle, entnum, pitch, flags;
+	float volume, attn;
+
+	MSG_ReadVec3Coord( msg, pos );
+	handle = 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 );
+
+	S_AmbientSound( pos, entnum, handle, volume, attn, pitch, flags );
+}
+
+/*
+=====================================================================
+
+ACTION MESSAGES
+
+=====================================================================
+*/
+/*
+=====================
+CL_ParseGoldSrcServerMessage
+
+dispatch messages
+=====================
+*/
+void CL_ParseGoldSrcServerMessage( sizebuf_t *msg )
+{
+	size_t		bufStart, playerbytes;
+	int		cmd, param1, param2;
+	int		old_background;
+	const char	*s;
+
+	// parse the message
+	while( 1 )
+	{
+		if( MSG_CheckOverflow( msg ))
+		{
+			Host_Error( "CL_ParseServerMessage: overflow!\n" );
+			return;
+		}
+
+		// mark start position
+		bufStart = MSG_GetNumBytesRead( msg );
+
+		// end of message (align bits)
+		if( MSG_GetNumBitsLeft( msg ) < 8 )
+			break;
+
+		cmd = MSG_ReadServerCmd( msg );
+
+		// record command for debugging spew on parse problem
+		CL_Parse_RecordCommand( cmd, bufStart );
+
+		// other commands
+		switch( cmd )
+		{
+		case svc_bad:
+			Host_Error( "svc_bad\n" );
+			break;
+		case svc_nop:
+			// this does nothing
+			break;
+		case svc_disconnect:
+			CL_Drop ();
+			Host_AbortCurrentFrame ();
+			break;
+		case svc_event:
+			MSG_StartBitWriting( msg );
+			CL_ParseEvent( msg, PROTO_GOLDSRC );
+			MSG_EndBitWriting( msg );
+			cl.frames[cl.parsecountmod].graphdata.event += MSG_GetNumBytesRead( msg ) - bufStart;
+			break;
+		case svc_setview:
+			CL_ParseViewEntity( msg );
+			break;
+		case svc_sound:
+			CL_ParseSoundPacketGS( msg );
+			cl.frames[cl.parsecountmod].graphdata.sound += MSG_GetNumBytesRead( msg ) - bufStart;
+			break;
+		case svc_time:
+			CL_ParseServerTime( msg );
+			break;
+		case svc_print:
+			Con_Printf( "%s", MSG_ReadString( msg ));
+			break;
+		case svc_stufftext:
+			s = MSG_ReadString( msg );
+#ifdef HACKS_RELATED_HLMODS
+			// disable Cry Of Fear antisave protection
+			if( !Q_strnicmp( s, "disconnect", 10 ) && cls.signon != SIGNONS )
+				break; // too early
+#endif
+			Cbuf_AddFilteredText( s );
+			break;
+		case svc_setangle:
+			CL_ParseSetAngle( msg );
+			break;
+		case svc_goldsrc_serverinfo:
+			Cbuf_Execute(); // make sure any stuffed commands are done
+			CL_ParseServerData( msg, PROTO_GOLDSRC );
+			Delta_InitMeta();
+			break;
+		case svc_lightstyle:
+			CL_ParseLightStyle( msg, PROTO_GOLDSRC );
+			break;
+		case svc_updateuserinfo:
+			CL_UpdateUserinfo( msg, PROTO_GOLDSRC );
+			break;
+		case svc_goldsrc_deltadescription:
+			Delta_ParseTableField_GS( msg );
+			break;
+		case svc_clientdata:
+			MSG_StartBitWriting( msg );
+			CL_ParseClientData( msg, PROTO_GOLDSRC );
+			MSG_EndBitWriting( msg );
+			cl.frames[cl.parsecountmod].graphdata.client += MSG_GetNumBytesRead( msg ) - bufStart;
+			break;
+		case svc_pings:
+			MSG_StartBitWriting( msg );
+			CL_UpdateUserPings( msg );
+			MSG_EndBitWriting( msg );
+			break;
+		case svc_particle:
+			CL_ParseParticles( msg );
+			break;
+		case svc_spawnstatic:
+			CL_ParseStaticEntity( msg );
+			break;
+		case svc_event_reliable:
+			MSG_StartBitWriting( msg );
+			CL_ParseReliableEvent( msg, PROTO_GOLDSRC );
+			MSG_EndBitWriting( msg );
+			cl.frames[cl.parsecountmod].graphdata.event += MSG_GetNumBytesRead( msg ) - bufStart;
+			break;
+		case svc_spawnbaseline:
+			CL_ParseBaseline( msg, PROTO_GOLDSRC );
+			break;
+		case svc_temp_entity:
+			CL_ParseTempEntity( msg, PROTO_GOLDSRC );
+			cl.frames[cl.parsecountmod].graphdata.tentities += MSG_GetNumBytesRead( msg ) - bufStart;
+			break;
+		case svc_setpause:
+			cl.paused = ( MSG_ReadOneBit( msg ) != 0 );
+			break;
+		case svc_signonnum:
+			CL_ParseSignon( msg, PROTO_GOLDSRC );
+			break;
+		case svc_centerprint:
+			CL_CenterPrint( MSG_ReadString( msg ), 0.25f );
+			break;
+		case svc_goldsrc_spawnstaticsound:
+			CL_ParseSpawnStaticSound( msg );
+			break;
+		case svc_intermission:
+			cl.intermission = 1;
+			break;
+		case svc_finale:
+			CL_ParseFinaleCutscene( msg, 2 );
+			break;
+		case svc_cdtrack:
+			param1 = MSG_ReadByte( msg );
+			param1 = bound( 1, param1, MAX_CDTRACKS ); // tracknum
+			param2 = MSG_ReadByte( msg );
+			param2 = bound( 1, param2, MAX_CDTRACKS ); // loopnum
+			S_StartBackgroundTrack( clgame.cdtracks[param1-1], clgame.cdtracks[param2-1], 0, false );
+			break;
+		case svc_restore:
+			CL_ParseRestore( msg );
+			break;
+		case svc_cutscene:
+			CL_ParseFinaleCutscene( msg, 3 );
+			break;
+		case svc_weaponanim:
+			param1 = MSG_ReadByte( msg );	// iAnim
+			param2 = MSG_ReadByte( msg );	// body
+			CL_WeaponAnim( param1, param2 );
+			break;
+		case svc_roomtype:
+			param1 = MSG_ReadShort( msg );
+			Cvar_SetValue( "room_type", param1 );
+			break;
+		case svc_addangle:
+			CL_ParseAddAngle( msg );
+			break;
+		case svc_goldsrc_newusermsg:
+			CL_ParseNewUserMsg( msg );
+			break;
+		case svc_packetentities:
+			playerbytes = CL_ParsePacketEntitiesGS( msg, false );
+			cl.frames[cl.parsecountmod].graphdata.players += playerbytes;
+			cl.frames[cl.parsecountmod].graphdata.entities += MSG_GetNumBytesRead( msg ) - bufStart - playerbytes;
+			break;
+		case svc_deltapacketentities:
+			playerbytes = CL_ParsePacketEntitiesGS( msg, true );
+			cl.frames[cl.parsecountmod].graphdata.players += playerbytes;
+			cl.frames[cl.parsecountmod].graphdata.entities += MSG_GetNumBytesRead( msg ) - bufStart - playerbytes;
+			break;
+		case svc_choke:
+			cl.frames[cls.netchan.incoming_sequence & CL_UPDATE_MASK].choked = true;
+			cl.frames[cls.netchan.incoming_sequence & CL_UPDATE_MASK].receivedtime = -2.0;
+			break;
+		case svc_resourcelist:
+			MSG_StartBitWriting( msg );
+			CL_ParseResourceList( msg, PROTO_GOLDSRC );
+			MSG_EndBitWriting( msg );
+			break;
+		case svc_goldsrc_newmovevars:
+			CL_ParseNewMovevars( msg );
+			break;
+		case svc_resourcerequest:
+			CL_ParseResourceRequest( msg );
+			break;
+		case svc_customization:
+			CL_ParseCustomization( msg );
+			break;
+		case svc_crosshairangle:
+			CL_ParseCrosshairAngle( msg );
+			break;
+		case svc_soundfade:
+			CL_ParseSoundFade( msg );
+			break;
+		case svc_filetxferfailed:
+			CL_ParseFileTransferFailed( msg );
+			break;
+		case svc_hltv:
+			CL_ParseHLTV( msg );
+			break;
+		case svc_director:
+			CL_ParseDirector( msg );
+			break;
+		case svc_voiceinit:
+			CL_ParseVoiceInit( msg );
+			break;
+		case svc_voicedata:
+			CL_ParseVoiceData( msg );
+			cl.frames[cl.parsecountmod].graphdata.voicebytes += MSG_GetNumBytesRead( msg ) - bufStart;
+			break;
+		case svc_resourcelocation:
+			CL_ParseResLocation( msg );
+			break;
+		case svc_goldsrc_sendextrainfo:
+			CL_ParseExtraInfo( msg );
+			break;
+		case svc_querycvarvalue:
+			CL_ParseCvarValue( msg, false, PROTO_GOLDSRC );
+			break;
+		case svc_querycvarvalue2:
+			CL_ParseCvarValue( msg, true, PROTO_GOLDSRC );
+			break;
+		case svc_exec:
+			CL_ParseExec( msg );
+			break;
+		default:
+			CL_ParseUserMessage( msg, cmd );
+			cl.frames[cl.parsecountmod].graphdata.usr += MSG_GetNumBytesRead( msg ) - bufStart;
+			break;
+		}
+	}
+}

engine/client/cl_qparse.c

@@ -431,7 +431,7 @@ static void CL_ParseQuakeEntityData( sizebuf_t *msg, int bits )
 		cls.signon = SIGNONS;
 
 		// Clear loading plaque.
-		CL_SignonReply ();
+		CL_SignonReply( PROTO_QUAKE );
 	}
 
 	// alloc next slot to store update
@@ -626,7 +626,7 @@ CL_ParseStaticEntity
 
 ===================
 */
-static void CL_ParseStaticEntity( sizebuf_t *msg )
+static void CL_ParseQuakeStaticEntity( sizebuf_t *msg )
 {
 	entity_state_t	state;
 	cl_entity_t	*ent;
@@ -1006,7 +1006,7 @@ void CL_ParseQuakeMessage( sizebuf_t *msg )
 			CL_ParseQuakeDamage( msg );
 			break;
 		case svc_spawnstatic:
-			CL_ParseStaticEntity( msg );
+			CL_ParseQuakeStaticEntity( msg );
 			break;
 		case svc_spawnbinary:
 			// never used in Quake

engine/client/cl_tent.c

@@ -1269,6 +1269,73 @@ void GAME_EXPORT R_Sprite_Smoke( TEMPENTITY *pTemp, float scale )
 	pTemp->entity.curstate.scale = scale;
 }
 
+static void R_Spray_Generic( const char *func, const vec3_t pos, const vec3_t dir, int modelIndex, int count, int speed, int spread, int rendermode, qboolean sprite_spray )
+{
+	model_t *mod = CL_ModelHandle( modelIndex );
+	float noise = spread / 100.0f;
+	float znoise = noise * 1.5f;
+	int i;
+
+	znoise = Q_min( 1.0f, znoise );
+
+	if( !mod )
+	{
+		Con_Reportf( "%s: No model %d!\n", func, modelIndex );
+		return;
+	}
+
+	for( i = 0; i < count; i++ )
+	{
+		TEMPENTITY *tent = CL_TempEntAlloc( pos, mod );
+		float rand_speed;
+		vec3_t noise_vec, vout;
+
+		if( !tent )
+			break;
+
+		tent->flags |= FTENT_SLOWGRAVITY;
+		tent->entity.curstate.rendermode = rendermode;
+		tent->entity.curstate.renderamt = 255;
+		tent->entity.baseline.renderamt = 255;
+		tent->entity.curstate.renderfx = kRenderFxNoDissipation;
+
+		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 );
+
+		VectorAdd( dir, noise_vec, vout );
+		VectorScale( vout, rand_speed, tent->entity.baseline.origin );
+
+		if( sprite_spray ) // if TE_SPRITE_SPRAY
+		{
+			tent->flags |= FTENT_FADEOUT;
+			tent->fadeSpeed = 2.0f;
+
+			tent->entity.curstate.framerate = 0.5f;
+			tent->die = cl.time + 0.35;
+			tent->entity.curstate.frame = COM_RandomLong( 0, tent->frameMax ); // frameMax inclusive
+		}
+		else
+		{
+			tent->flags |= FTENT_COLLIDEWORLD;
+
+			if( tent->frameMax > 1 )
+			{
+				tent->flags |= FTENT_SPRANIMATE;
+				tent->entity.curstate.framerate = 10.0f;
+				tent->die = cl.time + tent->frameMax * 0.1;
+			}
+			else
+			{
+				tent->entity.curstate.framerate = 1.0f;
+				tent->die = cl.time + 0.35;
+			}
+			tent->entity.curstate.frame = 0.0f;
+		}
+	}
+}
+
 /*
 ===============
 R_Spray
@@ -1278,61 +1345,7 @@ Throws a shower of sprites or models
 */
 void GAME_EXPORT R_Spray( const vec3_t pos, const vec3_t dir, int modelIndex, int count, int speed, int spread, int rendermode )
 {
-	TEMPENTITY	*pTemp;
-	float		noise;
-	float		znoise;
-	model_t		*pmodel;
-	int		i;
-
-	if(( pmodel = CL_ModelHandle( modelIndex )) == NULL )
-	{
-		Con_Reportf( "No model %d!\n", modelIndex );
-		return;
-	}
-
-	noise = (float)spread / 100.0f;
-
-	// more vertical displacement
-	znoise = Q_min( 1.0f, noise * 1.5f );
-
-	for( i = 0; i < count; i++ )
-	{
-		pTemp = CL_TempEntAlloc( pos, pmodel );
-		if( !pTemp ) return;
-
-		pTemp->entity.curstate.rendermode = rendermode;
-		pTemp->entity.baseline.renderamt = pTemp->entity.curstate.renderamt = 255;
-		pTemp->entity.curstate.renderfx = kRenderFxNoDissipation;
-
-		if( rendermode != kRenderGlow )
-		{
-			// spray
-			pTemp->flags |= FTENT_COLLIDEWORLD | FTENT_SLOWGRAVITY;
-
-			if( pTemp->frameMax > 1 )
-			{
-				pTemp->flags |= FTENT_COLLIDEWORLD | FTENT_SLOWGRAVITY | FTENT_SPRANIMATE;
-				pTemp->die = cl.time + (pTemp->frameMax * 0.1f);
-				pTemp->entity.curstate.framerate = 10;
-			}
-			else pTemp->die = cl.time + 0.35f;
-		}
-		else
-		{
-			// sprite spray
-			pTemp->entity.curstate.frame = COM_RandomLong( 0, pTemp->frameMax );
-			pTemp->flags |= FTENT_FADEOUT | FTENT_SLOWGRAVITY;
-			pTemp->entity.curstate.framerate = 0.5;
-			pTemp->die = cl.time + 0.35f;
-			pTemp->fadeSpeed = 2.0;
-		}
-
-		// make the spittle fly the direction indicated, but mix in some noise.
-		pTemp->entity.baseline.origin[0] = dir[0] + COM_RandomFloat( -noise, noise );
-		pTemp->entity.baseline.origin[1] = dir[1] + COM_RandomFloat( -noise, noise );
-		pTemp->entity.baseline.origin[2] = dir[2] + COM_RandomFloat( 0, znoise );
-		VectorScale( pTemp->entity.baseline.origin, COM_RandomFloat(( speed * 0.8f ), ( speed * 1.2f )), pTemp->entity.baseline.origin );
-	}
+	R_Spray_Generic( __func__, pos, dir, modelIndex, count, speed, spread, rendermode, false );
 }
 
 /*
@@ -1344,7 +1357,7 @@ Spray of alpha sprites
 */
 void GAME_EXPORT R_Sprite_Spray( const vec3_t pos, const vec3_t dir, int modelIndex, int count, int speed, int spread )
 {
-	R_Spray( pos, dir, modelIndex, count, speed, spread, kRenderGlow );
+	R_Spray_Generic( __func__, pos, dir, modelIndex, count, speed, spread, kRenderTransAlpha, true );
 }
 
 /*
@@ -1879,13 +1892,13 @@ CL_ParseTempEntity
 handle temp-entity messages
 ==============
 */
-void CL_ParseTempEntity( sizebuf_t *msg )
+void CL_ParseTempEntity( sizebuf_t *msg, connprotocol_t proto )
 {
-	sizebuf_t		buf;
-	byte		pbuf[2048];
+	sizebuf_t		buf, *pbuf;
+	byte		msg_data[2048];
 	int		iSize;
 	int		type, color, count, flags;
-	int		decalIndex, modelIndex, entityIndex;
+	int		decalIndex = 0, modelIndex = 0, entityIndex = 0;
 	float		scale, life, frameRate, vel, random;
 	float		brightness, r, g, b;
 	vec3_t		pos, pos2, ang;
@@ -1896,23 +1909,30 @@ void CL_ParseTempEntity( sizebuf_t *msg )
 	sound_t	hSound;
 	const char *name;
 
-	if( cls.legacymode )
-		iSize = MSG_ReadByte( msg );
-	else iSize = MSG_ReadWord( msg );
+	if( proto != PROTO_GOLDSRC )
+	{
+		if( proto == PROTO_LEGACY )
+			iSize = MSG_ReadByte( msg );
+		else iSize = MSG_ReadWord( msg );
 
-	decalIndex = modelIndex = entityIndex = 0;
+		// this will probably be fatal anyway
+		if( iSize > sizeof( pbuf ))
+			Con_Printf( S_ERROR "%s: Temp buffer overflow!\n", __func__ );
 
-	// this will probably be fatal anyway
-	if( iSize > sizeof( pbuf ))
-		Con_Printf( S_ERROR "%s: Temp buffer overflow!\n", __func__ );
+		// parse user message into buffer
+		MSG_ReadBytes( msg, pbuf, iSize );
 
-	// parse user message into buffer
-	MSG_ReadBytes( msg, pbuf, iSize );
+		// init a safe tempbuffer
+		MSG_Init( pbuf, "TempEntity", pbuf, iSize );
 
-	// init a safe tempbuffer
-	MSG_Init( &buf, "TempEntity", pbuf, iSize );
+		pbuf = pbuf;
+	}
+	else
+	{
+		pbuf = msg;
+	}
 
-	type = MSG_ReadByte( &buf );
+	type = MSG_ReadByte( pbuf );
 
 	switch( type )
 	{
@@ -1929,29 +1949,29 @@ void CL_ParseTempEntity( sizebuf_t *msg )
 	case TE_BEAMRING:
 	case TE_BEAMHOSE:
 	case TE_KILLBEAM:
-		CL_ParseViewBeam( &buf, type );
+		CL_ParseViewBeam( pbuf, type );
 		break;
 	case TE_GUNSHOT:
-		pos[0] = MSG_ReadCoord( &buf );
-		pos[1] = MSG_ReadCoord( &buf );
-		pos[2] = MSG_ReadCoord( &buf );
+		pos[0] = MSG_ReadCoord( pbuf );
+		pos[1] = MSG_ReadCoord( pbuf );
+		pos[2] = MSG_ReadCoord( pbuf );
 		R_RicochetSound( pos );
 		R_RunParticleEffect( pos, vec3_origin, 0, 20 );
 		break;
 	case TE_EXPLOSION:
-		pos[0] = MSG_ReadCoord( &buf );
-		pos[1] = MSG_ReadCoord( &buf );
-		pos[2] = MSG_ReadCoord( &buf );
-		modelIndex = MSG_ReadShort( &buf );
-		scale = (float)(MSG_ReadByte( &buf ) * 0.1f);
-		frameRate = MSG_ReadByte( &buf );
-		flags = MSG_ReadByte( &buf );
+		pos[0] = MSG_ReadCoord( pbuf );
+		pos[1] = MSG_ReadCoord( pbuf );
+		pos[2] = MSG_ReadCoord( pbuf );
+		modelIndex = MSG_ReadShort( pbuf );
+		scale = (float)(MSG_ReadByte( pbuf ) * 0.1f);
+		frameRate = MSG_ReadByte( pbuf );
+		flags = MSG_ReadByte( pbuf );
 		R_Explosion( pos, modelIndex, scale, frameRate, flags );
 		break;
 	case TE_TAREXPLOSION:
-		pos[0] = MSG_ReadCoord( &buf );
-		pos[1] = MSG_ReadCoord( &buf );
-		pos[2] = MSG_ReadCoord( &buf );
+		pos[0] = MSG_ReadCoord( pbuf );
+		pos[1] = MSG_ReadCoord( pbuf );
+		pos[2] = MSG_ReadCoord( pbuf );
 		R_BlobExplosion( pos );
 
 		if(( name = SoundList_Get( Explode, 0 )))
@@ -1961,48 +1981,48 @@ void CL_ParseTempEntity( sizebuf_t *msg )
 		}
 		break;
 	case TE_SMOKE:
-		pos[0] = MSG_ReadCoord( &buf );
-		pos[1] = MSG_ReadCoord( &buf );
-		pos[2] = MSG_ReadCoord( &buf );
-		modelIndex = MSG_ReadShort( &buf );
-		scale = (float)(MSG_ReadByte( &buf ) * 0.1f);
-		frameRate = MSG_ReadByte( &buf );
+		pos[0] = MSG_ReadCoord( pbuf );
+		pos[1] = MSG_ReadCoord( pbuf );
+		pos[2] = MSG_ReadCoord( pbuf );
+		modelIndex = MSG_ReadShort( pbuf );
+		scale = (float)(MSG_ReadByte( pbuf ) * 0.1f);
+		frameRate = MSG_ReadByte( pbuf );
 		pTemp = R_DefaultSprite( pos, modelIndex, frameRate );
 		R_Sprite_Smoke( pTemp, scale );
 		break;
 	case TE_TRACER:
-		pos[0] = MSG_ReadCoord( &buf );
-		pos[1] = MSG_ReadCoord( &buf );
-		pos[2] = MSG_ReadCoord( &buf );
-		pos2[0] = MSG_ReadCoord( &buf );
-		pos2[1] = MSG_ReadCoord( &buf );
-		pos2[2] = MSG_ReadCoord( &buf );
+		pos[0] = MSG_ReadCoord( pbuf );
+		pos[1] = MSG_ReadCoord( pbuf );
+		pos[2] = MSG_ReadCoord( pbuf );
+		pos2[0] = MSG_ReadCoord( pbuf );
+		pos2[1] = MSG_ReadCoord( pbuf );
+		pos2[2] = MSG_ReadCoord( pbuf );
 		R_TracerEffect( pos, pos2 );
 		break;
 	case TE_SPARKS:
-		pos[0] = MSG_ReadCoord( &buf );
-		pos[1] = MSG_ReadCoord( &buf );
-		pos[2] = MSG_ReadCoord( &buf );
+		pos[0] = MSG_ReadCoord( pbuf );
+		pos[1] = MSG_ReadCoord( pbuf );
+		pos[2] = MSG_ReadCoord( pbuf );
 		R_SparkShower( pos );
 		break;
 	case TE_LAVASPLASH:
-		pos[0] = MSG_ReadCoord( &buf );
-		pos[1] = MSG_ReadCoord( &buf );
-		pos[2] = MSG_ReadCoord( &buf );
+		pos[0] = MSG_ReadCoord( pbuf );
+		pos[1] = MSG_ReadCoord( pbuf );
+		pos[2] = MSG_ReadCoord( pbuf );
 		R_LavaSplash( pos );
 		break;
 	case TE_TELEPORT:
-		pos[0] = MSG_ReadCoord( &buf );
-		pos[1] = MSG_ReadCoord( &buf );
-		pos[2] = MSG_ReadCoord( &buf );
+		pos[0] = MSG_ReadCoord( pbuf );
+		pos[1] = MSG_ReadCoord( pbuf );
+		pos[2] = MSG_ReadCoord( pbuf );
 		R_TeleportSplash( pos );
 		break;
 	case TE_EXPLOSION2:
-		pos[0] = MSG_ReadCoord( &buf );
-		pos[1] = MSG_ReadCoord( &buf );
-		pos[2] = MSG_ReadCoord( &buf );
-		color = MSG_ReadByte( &buf );
-		count = MSG_ReadByte( &buf );
+		pos[0] = MSG_ReadCoord( pbuf );
+		pos[1] = MSG_ReadCoord( pbuf );
+		pos[2] = MSG_ReadCoord( pbuf );
+		color = MSG_ReadByte( pbuf );
+		count = MSG_ReadByte( pbuf );
 		R_ParticleExplosion2( pos, color, count );
 
 		dl = CL_AllocDlight( 0 );
@@ -2022,25 +2042,25 @@ void CL_ParseTempEntity( sizebuf_t *msg )
 	case TE_WORLDDECAL:
 	case TE_WORLDDECALHIGH:
 	case TE_DECALHIGH:
-		pos[0] = MSG_ReadCoord( &buf );
-		pos[1] = MSG_ReadCoord( &buf );
-		pos[2] = MSG_ReadCoord( &buf );
+		pos[0] = MSG_ReadCoord( pbuf );
+		pos[1] = MSG_ReadCoord( pbuf );
+		pos[2] = MSG_ReadCoord( pbuf );
 		if( type == TE_BSPDECAL )
 		{
-			decalIndex = MSG_ReadShort( &buf );
-			entityIndex = MSG_ReadShort( &buf );
+			decalIndex = MSG_ReadShort( pbuf );
+			entityIndex = MSG_ReadShort( pbuf );
 			if( entityIndex )
-				modelIndex = MSG_ReadShort( &buf );
+				modelIndex = MSG_ReadShort( pbuf );
 			else modelIndex = 0;
 		}
 		else
 		{
-			decalIndex = MSG_ReadByte( &buf );
+			decalIndex = MSG_ReadByte( pbuf );
 			if( type == TE_DECALHIGH || type == TE_WORLDDECALHIGH )
 				decalIndex += 256;
 
 			if( type == TE_DECALHIGH || type == TE_DECAL )
-				entityIndex = MSG_ReadShort( &buf );
+				entityIndex = MSG_ReadShort( pbuf );
 			else entityIndex = 0;
 
 			pEnt = CL_GetEntityByIndex( entityIndex );
@@ -2049,197 +2069,197 @@ void CL_ParseTempEntity( sizebuf_t *msg )
 		CL_DecalShoot( CL_DecalIndex( decalIndex ), entityIndex, modelIndex, pos, type == TE_BSPDECAL ? FDECAL_PERMANENT : 0 );
 		break;
 	case TE_IMPLOSION:
-		pos[0] = MSG_ReadCoord( &buf );
-		pos[1] = MSG_ReadCoord( &buf );
-		pos[2] = MSG_ReadCoord( &buf );
-		scale = MSG_ReadByte( &buf );
-		count = MSG_ReadByte( &buf );
-		life = (float)(MSG_ReadByte( &buf ) * 0.1f);
+		pos[0] = MSG_ReadCoord( pbuf );
+		pos[1] = MSG_ReadCoord( pbuf );
+		pos[2] = MSG_ReadCoord( pbuf );
+		scale = MSG_ReadByte( pbuf );
+		count = MSG_ReadByte( pbuf );
+		life = (float)(MSG_ReadByte( pbuf ) * 0.1f);
 		R_Implosion( pos, scale, count, life );
 		break;
 	case TE_SPRITETRAIL:
-		pos[0] = MSG_ReadCoord( &buf );
-		pos[1] = MSG_ReadCoord( &buf );
-		pos[2] = MSG_ReadCoord( &buf );
-		pos2[0] = MSG_ReadCoord( &buf );
-		pos2[1] = MSG_ReadCoord( &buf );
-		pos2[2] = MSG_ReadCoord( &buf );
-		modelIndex = MSG_ReadShort( &buf );
-		count = MSG_ReadByte( &buf );
-		life = (float)MSG_ReadByte( &buf ) * 0.1f;
-		scale = (float)MSG_ReadByte( &buf );
+		pos[0] = MSG_ReadCoord( pbuf );
+		pos[1] = MSG_ReadCoord( pbuf );
+		pos[2] = MSG_ReadCoord( pbuf );
+		pos2[0] = MSG_ReadCoord( pbuf );
+		pos2[1] = MSG_ReadCoord( pbuf );
+		pos2[2] = MSG_ReadCoord( pbuf );
+		modelIndex = MSG_ReadShort( pbuf );
+		count = MSG_ReadByte( pbuf );
+		life = (float)MSG_ReadByte( pbuf ) * 0.1f;
+		scale = (float)MSG_ReadByte( pbuf );
 		if( !scale ) scale = 1.0f;
 		else scale *= 0.1f;
-		vel = (float)MSG_ReadByte( &buf ) * 10;
-		random = (float)MSG_ReadByte( &buf ) * 10;
+		vel = (float)MSG_ReadByte( pbuf ) * 10;
+		random = (float)MSG_ReadByte( pbuf ) * 10;
 		R_Sprite_Trail( type, pos, pos2, modelIndex, count, life, scale, random, 255, vel );
 		break;
 	case TE_SPRITE:
-		pos[0] = MSG_ReadCoord( &buf );
-		pos[1] = MSG_ReadCoord( &buf );
-		pos[2] = MSG_ReadCoord( &buf );
-		modelIndex = MSG_ReadShort( &buf );
-		scale = (float)MSG_ReadByte( &buf ) * 0.1f;
-		brightness = (float)MSG_ReadByte( &buf ) / 255.0f;
+		pos[0] = MSG_ReadCoord( pbuf );
+		pos[1] = MSG_ReadCoord( pbuf );
+		pos[2] = MSG_ReadCoord( pbuf );
+		modelIndex = MSG_ReadShort( pbuf );
+		scale = (float)MSG_ReadByte( pbuf ) * 0.1f;
+		brightness = (float)MSG_ReadByte( pbuf ) / 255.0f;
 
 		R_TempSprite( pos, vec3_origin, scale, modelIndex,
 			kRenderTransAdd, kRenderFxNone, brightness, 0.0, FTENT_SPRANIMATE );
 		break;
 	case TE_GLOWSPRITE:
-		pos[0] = MSG_ReadCoord( &buf );
-		pos[1] = MSG_ReadCoord( &buf );
-		pos[2] = MSG_ReadCoord( &buf );
-		modelIndex = MSG_ReadShort( &buf );
-		life = (float)MSG_ReadByte( &buf ) * 0.1f;
-		scale = (float)MSG_ReadByte( &buf ) * 0.1f;
-		brightness = (float)MSG_ReadByte( &buf ) / 255.0f;
+		pos[0] = MSG_ReadCoord( pbuf );
+		pos[1] = MSG_ReadCoord( pbuf );
+		pos[2] = MSG_ReadCoord( pbuf );
+		modelIndex = MSG_ReadShort( pbuf );
+		life = (float)MSG_ReadByte( pbuf ) * 0.1f;
+		scale = (float)MSG_ReadByte( pbuf ) * 0.1f;
+		brightness = (float)MSG_ReadByte( pbuf ) / 255.0f;
 
 		R_TempSprite( pos, vec3_origin, scale, modelIndex,
 			kRenderGlow, kRenderFxNoDissipation, brightness, life, FTENT_FADEOUT );
 		break;
 	case TE_STREAK_SPLASH:
-		pos[0] = MSG_ReadCoord( &buf );
-		pos[1] = MSG_ReadCoord( &buf );
-		pos[2] = MSG_ReadCoord( &buf );
-		pos2[0] = MSG_ReadCoord( &buf );
-		pos2[1] = MSG_ReadCoord( &buf );
-		pos2[2] = MSG_ReadCoord( &buf );
-		color = MSG_ReadByte( &buf );
-		count = MSG_ReadShort( &buf );
-		vel = (float)MSG_ReadShort( &buf );
-		random = (float)MSG_ReadShort( &buf );
+		pos[0] = MSG_ReadCoord( pbuf );
+		pos[1] = MSG_ReadCoord( pbuf );
+		pos[2] = MSG_ReadCoord( pbuf );
+		pos2[0] = MSG_ReadCoord( pbuf );
+		pos2[1] = MSG_ReadCoord( pbuf );
+		pos2[2] = MSG_ReadCoord( pbuf );
+		color = MSG_ReadByte( pbuf );
+		count = MSG_ReadShort( pbuf );
+		vel = (float)MSG_ReadShort( pbuf );
+		random = (float)MSG_ReadShort( pbuf );
 		R_StreakSplash( pos, pos2, color, count, vel, -random, random );
 		break;
 	case TE_DLIGHT:
 		dl = CL_AllocDlight( 0 );
-		dl->origin[0] = MSG_ReadCoord( &buf );
-		dl->origin[1] = MSG_ReadCoord( &buf );
-		dl->origin[2] = MSG_ReadCoord( &buf );
-		dl->radius = (float)(MSG_ReadByte( &buf ) * 10.0f);
-		dl->color.r = MSG_ReadByte( &buf );
-		dl->color.g = MSG_ReadByte( &buf );
-		dl->color.b = MSG_ReadByte( &buf );
-		dl->die = cl.time + (float)(MSG_ReadByte( &buf ) * 0.1f);
-		dl->decay = (float)(MSG_ReadByte( &buf ) * 10.0f);
+		dl->origin[0] = MSG_ReadCoord( pbuf );
+		dl->origin[1] = MSG_ReadCoord( pbuf );
+		dl->origin[2] = MSG_ReadCoord( pbuf );
+		dl->radius = (float)(MSG_ReadByte( pbuf ) * 10.0f);
+		dl->color.r = MSG_ReadByte( pbuf );
+		dl->color.g = MSG_ReadByte( pbuf );
+		dl->color.b = MSG_ReadByte( pbuf );
+		dl->die = cl.time + (float)(MSG_ReadByte( pbuf ) * 0.1f);
+		dl->decay = (float)(MSG_ReadByte( pbuf ) * 10.0f);
 		break;
 	case TE_ELIGHT:
-		dl = CL_AllocElight( MSG_ReadShort( &buf ));
-		dl->origin[0] = MSG_ReadCoord( &buf );
-		dl->origin[1] = MSG_ReadCoord( &buf );
-		dl->origin[2] = MSG_ReadCoord( &buf );
-		dl->radius = MSG_ReadCoord( &buf );
-		dl->color.r = MSG_ReadByte( &buf );
-		dl->color.g = MSG_ReadByte( &buf );
-		dl->color.b = MSG_ReadByte( &buf );
-		life = (float)MSG_ReadByte( &buf ) * 0.1f;
+		dl = CL_AllocElight( MSG_ReadShort( pbuf ));
+		dl->origin[0] = MSG_ReadCoord( pbuf );
+		dl->origin[1] = MSG_ReadCoord( pbuf );
+		dl->origin[2] = MSG_ReadCoord( pbuf );
+		dl->radius = MSG_ReadCoord( pbuf );
+		dl->color.r = MSG_ReadByte( pbuf );
+		dl->color.g = MSG_ReadByte( pbuf );
+		dl->color.b = MSG_ReadByte( pbuf );
+		life = (float)MSG_ReadByte( pbuf ) * 0.1f;
 		dl->die = cl.time + life;
-		dl->decay = MSG_ReadCoord( &buf );
+		dl->decay = MSG_ReadCoord( pbuf );
 		if( life != 0 ) dl->decay /= life;
 		break;
 	case TE_TEXTMESSAGE:
-		CL_ParseTextMessage( &buf );
+		CL_ParseTextMessage( pbuf );
 		break;
 	case TE_LINE:
 	case TE_BOX:
-		pos[0] = MSG_ReadCoord( &buf );
-		pos[1] = MSG_ReadCoord( &buf );
-		pos[2] = MSG_ReadCoord( &buf );
-		pos2[0] = MSG_ReadCoord( &buf );
-		pos2[1] = MSG_ReadCoord( &buf );
-		pos2[2] = MSG_ReadCoord( &buf );
-		life = (float)(MSG_ReadShort( &buf ) * 0.1f);
-		r = MSG_ReadByte( &buf );
-		g = MSG_ReadByte( &buf );
-		b = MSG_ReadByte( &buf );
+		pos[0] = MSG_ReadCoord( pbuf );
+		pos[1] = MSG_ReadCoord( pbuf );
+		pos[2] = MSG_ReadCoord( pbuf );
+		pos2[0] = MSG_ReadCoord( pbuf );
+		pos2[1] = MSG_ReadCoord( pbuf );
+		pos2[2] = MSG_ReadCoord( pbuf );
+		life = (float)(MSG_ReadShort( pbuf ) * 0.1f);
+		r = MSG_ReadByte( pbuf );
+		g = MSG_ReadByte( pbuf );
+		b = MSG_ReadByte( pbuf );
 		if( type == TE_LINE ) R_ParticleLine( pos, pos2, r, g, b, life );
 		else R_ParticleBox( pos, pos2, r, g, b, life );
 		break;
 	case TE_LARGEFUNNEL:
-		pos[0] = MSG_ReadCoord( &buf );
-		pos[1] = MSG_ReadCoord( &buf );
-		pos[2] = MSG_ReadCoord( &buf );
-		modelIndex = MSG_ReadShort( &buf );
-		flags = MSG_ReadShort( &buf );
+		pos[0] = MSG_ReadCoord( pbuf );
+		pos[1] = MSG_ReadCoord( pbuf );
+		pos[2] = MSG_ReadCoord( pbuf );
+		modelIndex = MSG_ReadShort( pbuf );
+		flags = MSG_ReadShort( pbuf );
 		R_LargeFunnel( pos, flags );
 		R_FunnelSprite( pos, modelIndex, flags );
 		break;
 	case TE_BLOODSTREAM:
 	case TE_BLOOD:
-		pos[0] = MSG_ReadCoord( &buf );
-		pos[1] = MSG_ReadCoord( &buf );
-		pos[2] = MSG_ReadCoord( &buf );
-		pos2[0] = MSG_ReadCoord( &buf );
-		pos2[1] = MSG_ReadCoord( &buf );
-		pos2[2] = MSG_ReadCoord( &buf );
-		color = MSG_ReadByte( &buf );
-		count = MSG_ReadByte( &buf );
+		pos[0] = MSG_ReadCoord( pbuf );
+		pos[1] = MSG_ReadCoord( pbuf );
+		pos[2] = MSG_ReadCoord( pbuf );
+		pos2[0] = MSG_ReadCoord( pbuf );
+		pos2[1] = MSG_ReadCoord( pbuf );
+		pos2[2] = MSG_ReadCoord( pbuf );
+		color = MSG_ReadByte( pbuf );
+		count = MSG_ReadByte( pbuf );
 		if( type == TE_BLOOD ) R_Blood( pos, pos2, color, count );
 		else R_BloodStream( pos, pos2, color, count );
 		break;
 	case TE_SHOWLINE:
-		pos[0] = MSG_ReadCoord( &buf );
-		pos[1] = MSG_ReadCoord( &buf );
-		pos[2] = MSG_ReadCoord( &buf );
-		pos2[0] = MSG_ReadCoord( &buf );
-		pos2[1] = MSG_ReadCoord( &buf );
-		pos2[2] = MSG_ReadCoord( &buf );
+		pos[0] = MSG_ReadCoord( pbuf );
+		pos[1] = MSG_ReadCoord( pbuf );
+		pos[2] = MSG_ReadCoord( pbuf );
+		pos2[0] = MSG_ReadCoord( pbuf );
+		pos2[1] = MSG_ReadCoord( pbuf );
+		pos2[2] = MSG_ReadCoord( pbuf );
 		R_ShowLine( pos, pos2 );
 		break;
 	case TE_FIZZ:
-		entityIndex = MSG_ReadShort( &buf );
-		modelIndex = MSG_ReadShort( &buf );
-		scale = MSG_ReadByte( &buf );	// same as density
+		entityIndex = MSG_ReadShort( pbuf );
+		modelIndex = MSG_ReadShort( pbuf );
+		scale = MSG_ReadByte( pbuf );	// same as density
 		pEnt = CL_GetEntityByIndex( entityIndex );
 		R_FizzEffect( pEnt, modelIndex, scale );
 		break;
 	case TE_MODEL:
-		pos[0] = MSG_ReadCoord( &buf );
-		pos[1] = MSG_ReadCoord( &buf );
-		pos[2] = MSG_ReadCoord( &buf );
-		pos2[0] = MSG_ReadCoord( &buf );
-		pos2[1] = MSG_ReadCoord( &buf );
-		pos2[2] = MSG_ReadCoord( &buf );
+		pos[0] = MSG_ReadCoord( pbuf );
+		pos[1] = MSG_ReadCoord( pbuf );
+		pos[2] = MSG_ReadCoord( pbuf );
+		pos2[0] = MSG_ReadCoord( pbuf );
+		pos2[1] = MSG_ReadCoord( pbuf );
+		pos2[2] = MSG_ReadCoord( pbuf );
 		ang[0] = 0.0f;
-		ang[1] = MSG_ReadAngle( &buf ); // yaw angle
+		ang[1] = MSG_ReadAngle( pbuf ); // yaw angle
 		ang[2] = 0.0f;
-		modelIndex = MSG_ReadShort( &buf );
-		flags = MSG_ReadByte( &buf );	// sound flags
-		life = (float)(MSG_ReadByte( &buf ) * 0.1f);
+		modelIndex = MSG_ReadShort( pbuf );
+		flags = MSG_ReadByte( pbuf );	// sound flags
+		life = (float)(MSG_ReadByte( pbuf ) * 0.1f);
 		R_TempModel( pos, pos2, ang, life, modelIndex, flags );
 		break;
 	case TE_EXPLODEMODEL:
-		pos[0] = MSG_ReadCoord( &buf );
-		pos[1] = MSG_ReadCoord( &buf );
-		pos[2] = MSG_ReadCoord( &buf );
-		vel = MSG_ReadCoord( &buf );
-		modelIndex = MSG_ReadShort( &buf );
-		count = MSG_ReadShort( &buf );
-		life = (float)(MSG_ReadByte( &buf ) * 0.1f);
+		pos[0] = MSG_ReadCoord( pbuf );
+		pos[1] = MSG_ReadCoord( pbuf );
+		pos[2] = MSG_ReadCoord( pbuf );
+		vel = MSG_ReadCoord( pbuf );
+		modelIndex = MSG_ReadShort( pbuf );
+		count = MSG_ReadShort( pbuf );
+		life = (float)(MSG_ReadByte( pbuf ) * 0.1f);
 		R_TempSphereModel( pos, vel, life, count, modelIndex );
 		break;
 	case TE_BREAKMODEL:
-		pos[0] = MSG_ReadCoord( &buf );
-		pos[1] = MSG_ReadCoord( &buf );
-		pos[2] = MSG_ReadCoord( &buf );
-		pos2[0] = MSG_ReadCoord( &buf );
-		pos2[1] = MSG_ReadCoord( &buf );
-		pos2[2] = MSG_ReadCoord( &buf );
-		ang[0] = MSG_ReadCoord( &buf );
-		ang[1] = MSG_ReadCoord( &buf );
-		ang[2] = MSG_ReadCoord( &buf );
-		random = (float)MSG_ReadByte( &buf ) * 10.0f;
-		modelIndex = MSG_ReadShort( &buf );
-		count = MSG_ReadByte( &buf );
-		life = (float)(MSG_ReadByte( &buf ) * 0.1f);
-		flags = MSG_ReadByte( &buf );
+		pos[0] = MSG_ReadCoord( pbuf );
+		pos[1] = MSG_ReadCoord( pbuf );
+		pos[2] = MSG_ReadCoord( pbuf );
+		pos2[0] = MSG_ReadCoord( pbuf );
+		pos2[1] = MSG_ReadCoord( pbuf );
+		pos2[2] = MSG_ReadCoord( pbuf );
+		ang[0] = MSG_ReadCoord( pbuf );
+		ang[1] = MSG_ReadCoord( pbuf );
+		ang[2] = MSG_ReadCoord( pbuf );
+		random = (float)MSG_ReadByte( pbuf ) * 10.0f;
+		modelIndex = MSG_ReadShort( pbuf );
+		count = MSG_ReadByte( pbuf );
+		life = (float)(MSG_ReadByte( pbuf ) * 0.1f);
+		flags = MSG_ReadByte( pbuf );
 		R_BreakModel( pos, pos2, ang, random, life, count, modelIndex, (char)flags );
 		break;
 	case TE_GUNSHOTDECAL:
-		pos[0] = MSG_ReadCoord( &buf );
-		pos[1] = MSG_ReadCoord( &buf );
-		pos[2] = MSG_ReadCoord( &buf );
-		entityIndex = MSG_ReadShort( &buf );
-		decalIndex = MSG_ReadByte( &buf );
+		pos[0] = MSG_ReadCoord( pbuf );
+		pos[1] = MSG_ReadCoord( pbuf );
+		pos[2] = MSG_ReadCoord( pbuf );
+		entityIndex = MSG_ReadShort( pbuf );
+		decalIndex = MSG_ReadByte( pbuf );
 		CL_DecalShoot( CL_DecalIndex( decalIndex ), entityIndex, 0, pos, 0 );
 		R_BulletImpactParticles( pos );
 		flags = COM_RandomLong( 0, 0x7fff );
@@ -2248,139 +2268,139 @@ void CL_ParseTempEntity( sizebuf_t *msg )
 		break;
 	case TE_SPRAY:
 	case TE_SPRITE_SPRAY:
-		pos[0] = MSG_ReadCoord( &buf );
-		pos[1] = MSG_ReadCoord( &buf );
-		pos[2] = MSG_ReadCoord( &buf );
-		pos2[0] = MSG_ReadCoord( &buf );
-		pos2[1] = MSG_ReadCoord( &buf );
-		pos2[2] = MSG_ReadCoord( &buf );
-		modelIndex = MSG_ReadShort( &buf );
-		count = MSG_ReadByte( &buf );
-		vel = (float)MSG_ReadByte( &buf );
-		random = (float)MSG_ReadByte( &buf );
+		pos[0] = MSG_ReadCoord( pbuf );
+		pos[1] = MSG_ReadCoord( pbuf );
+		pos[2] = MSG_ReadCoord( pbuf );
+		pos2[0] = MSG_ReadCoord( pbuf );
+		pos2[1] = MSG_ReadCoord( pbuf );
+		pos2[2] = MSG_ReadCoord( pbuf );
+		modelIndex = MSG_ReadShort( pbuf );
+		count = MSG_ReadByte( pbuf );
+		vel = (float)MSG_ReadByte( pbuf );
+		random = (float)MSG_ReadByte( pbuf );
 		if( type == TE_SPRAY )
 		{
-			flags = MSG_ReadByte( &buf );	// rendermode
+			flags = MSG_ReadByte( pbuf );	// rendermode
 			R_Spray( pos, pos2, modelIndex, count, vel, random, flags );
 		}
 		else R_Sprite_Spray( pos, pos2, modelIndex, count, vel * 2.0f, random );
 		break;
 	case TE_ARMOR_RICOCHET:
-		pos[0] = MSG_ReadCoord( &buf );
-		pos[1] = MSG_ReadCoord( &buf );
-		pos[2] = MSG_ReadCoord( &buf );
-		scale = (float)(MSG_ReadByte( &buf ) * 0.1f);
+		pos[0] = MSG_ReadCoord( pbuf );
+		pos[1] = MSG_ReadCoord( pbuf );
+		pos[2] = MSG_ReadCoord( pbuf );
+		scale = (float)(MSG_ReadByte( pbuf ) * 0.1f);
 		R_RicochetSprite( pos, cl_sprite_ricochet, 0.1f, scale );
 		R_RicochetSound( pos );
 		break;
 	case TE_PLAYERDECAL:
-		color = MSG_ReadByte( &buf ) - 1; // playernum
-		pos[0] = MSG_ReadCoord( &buf );
-		pos[1] = MSG_ReadCoord( &buf );
-		pos[2] = MSG_ReadCoord( &buf );
-		entityIndex = MSG_ReadShort( &buf );
-		decalIndex = MSG_ReadByte( &buf );
+		color = MSG_ReadByte( pbuf ) - 1; // playernum
+		pos[0] = MSG_ReadCoord( pbuf );
+		pos[1] = MSG_ReadCoord( pbuf );
+		pos[2] = MSG_ReadCoord( pbuf );
+		entityIndex = MSG_ReadShort( pbuf );
+		decalIndex = MSG_ReadByte( pbuf );
 		CL_PlayerDecal( color, decalIndex, entityIndex, pos );
 		break;
 	case TE_BUBBLES:
 	case TE_BUBBLETRAIL:
-		pos[0] = MSG_ReadCoord( &buf );
-		pos[1] = MSG_ReadCoord( &buf );
-		pos[2] = MSG_ReadCoord( &buf );
-		pos2[0] = MSG_ReadCoord( &buf );
-		pos2[1] = MSG_ReadCoord( &buf );
-		pos2[2] = MSG_ReadCoord( &buf );
-		scale = MSG_ReadCoord( &buf );	// water height
-		modelIndex = MSG_ReadShort( &buf );
-		count = MSG_ReadByte( &buf );
-		vel = MSG_ReadCoord( &buf );
+		pos[0] = MSG_ReadCoord( pbuf );
+		pos[1] = MSG_ReadCoord( pbuf );
+		pos[2] = MSG_ReadCoord( pbuf );
+		pos2[0] = MSG_ReadCoord( pbuf );
+		pos2[1] = MSG_ReadCoord( pbuf );
+		pos2[2] = MSG_ReadCoord( pbuf );
+		scale = MSG_ReadCoord( pbuf );	// water height
+		modelIndex = MSG_ReadShort( pbuf );
+		count = MSG_ReadByte( pbuf );
+		vel = MSG_ReadCoord( pbuf );
 		if( type == TE_BUBBLES ) R_Bubbles( pos, pos2, scale, modelIndex, count, vel );
 		else R_BubbleTrail( pos, pos2, scale, modelIndex, count, vel );
 		break;
 	case TE_BLOODSPRITE:
-		pos[0] = MSG_ReadCoord( &buf );
-		pos[1] = MSG_ReadCoord( &buf );
-		pos[2] = MSG_ReadCoord( &buf );
-		modelIndex = MSG_ReadShort( &buf );	// sprite #1
-		decalIndex = MSG_ReadShort( &buf );	// sprite #2
-		color = MSG_ReadByte( &buf );
-		scale = (float)MSG_ReadByte( &buf );
+		pos[0] = MSG_ReadCoord( pbuf );
+		pos[1] = MSG_ReadCoord( pbuf );
+		pos[2] = MSG_ReadCoord( pbuf );
+		modelIndex = MSG_ReadShort( pbuf );	// sprite #1
+		decalIndex = MSG_ReadShort( pbuf );	// sprite #2
+		color = MSG_ReadByte( pbuf );
+		scale = (float)MSG_ReadByte( pbuf );
 		R_BloodSprite( pos, color, modelIndex, decalIndex, scale );
 		break;
 	case TE_PROJECTILE:
-		pos[0] = MSG_ReadCoord( &buf );
-		pos[1] = MSG_ReadCoord( &buf );
-		pos[2] = MSG_ReadCoord( &buf );
-		pos2[0] = MSG_ReadCoord( &buf );
-		pos2[1] = MSG_ReadCoord( &buf );
-		pos2[2] = MSG_ReadCoord( &buf );
-		modelIndex = MSG_ReadShort( &buf );
-		life = MSG_ReadByte( &buf );
-		color = MSG_ReadByte( &buf );	// playernum
+		pos[0] = MSG_ReadCoord( pbuf );
+		pos[1] = MSG_ReadCoord( pbuf );
+		pos[2] = MSG_ReadCoord( pbuf );
+		pos2[0] = MSG_ReadCoord( pbuf );
+		pos2[1] = MSG_ReadCoord( pbuf );
+		pos2[2] = MSG_ReadCoord( pbuf );
+		modelIndex = MSG_ReadShort( pbuf );
+		life = MSG_ReadByte( pbuf );
+		color = MSG_ReadByte( pbuf );	// playernum
 		R_Projectile( pos, pos2, modelIndex, life, color, NULL );
 		break;
 	case TE_PLAYERSPRITES:
-		color = MSG_ReadShort( &buf );	// entitynum
-		modelIndex = MSG_ReadShort( &buf );
-		count = MSG_ReadByte( &buf );
-		random = (float)MSG_ReadByte( &buf );
+		color = MSG_ReadShort( pbuf );	// entitynum
+		modelIndex = MSG_ReadShort( pbuf );
+		count = MSG_ReadByte( pbuf );
+		random = (float)MSG_ReadByte( pbuf );
 		R_PlayerSprites( color, modelIndex, count, random );
 		break;
 	case TE_PARTICLEBURST:
-		pos[0] = MSG_ReadCoord( &buf );
-		pos[1] = MSG_ReadCoord( &buf );
-		pos[2] = MSG_ReadCoord( &buf );
-		scale = (float)MSG_ReadShort( &buf );
-		color = MSG_ReadByte( &buf );
-		life = (float)(MSG_ReadByte( &buf ) * 0.1f);
+		pos[0] = MSG_ReadCoord( pbuf );
+		pos[1] = MSG_ReadCoord( pbuf );
+		pos[2] = MSG_ReadCoord( pbuf );
+		scale = (float)MSG_ReadShort( pbuf );
+		color = MSG_ReadByte( pbuf );
+		life = (float)(MSG_ReadByte( pbuf ) * 0.1f);
 		R_ParticleBurst( pos, scale, color, life );
 		break;
 	case TE_FIREFIELD:
-		pos[0] = MSG_ReadCoord( &buf );
-		pos[1] = MSG_ReadCoord( &buf );
-		pos[2] = MSG_ReadCoord( &buf );
-		scale = (float)MSG_ReadShort( &buf );
-		modelIndex = MSG_ReadShort( &buf );
-		count = MSG_ReadByte( &buf );
-		flags = MSG_ReadByte( &buf );
-		life = (float)(MSG_ReadByte( &buf ) * 0.1f);
+		pos[0] = MSG_ReadCoord( pbuf );
+		pos[1] = MSG_ReadCoord( pbuf );
+		pos[2] = MSG_ReadCoord( pbuf );
+		scale = (float)MSG_ReadShort( pbuf );
+		modelIndex = MSG_ReadShort( pbuf );
+		count = MSG_ReadByte( pbuf );
+		flags = MSG_ReadByte( pbuf );
+		life = (float)(MSG_ReadByte( pbuf ) * 0.1f);
 		R_FireField( pos, scale, modelIndex, count, flags, life );
 		break;
 	case TE_PLAYERATTACHMENT:
-		color = MSG_ReadByte( &buf );	// playernum
-		scale = MSG_ReadCoord( &buf );	// height
-		modelIndex = MSG_ReadShort( &buf );
-		life = (float)(MSG_ReadShort( &buf ) * 0.1f);
+		color = MSG_ReadByte( pbuf );	// playernum
+		scale = MSG_ReadCoord( pbuf );	// height
+		modelIndex = MSG_ReadShort( pbuf );
+		life = (float)(MSG_ReadShort( pbuf ) * 0.1f);
 		R_AttachTentToPlayer( color, modelIndex, scale, life );
 		break;
 	case TE_KILLPLAYERATTACHMENTS:
-		color = MSG_ReadByte( &buf );	// playernum
+		color = MSG_ReadByte( pbuf );	// playernum
 		R_KillAttachedTents( color );
 		break;
 	case TE_MULTIGUNSHOT:
-		pos[0] = MSG_ReadCoord( &buf );
-		pos[1] = MSG_ReadCoord( &buf );
-		pos[2] = MSG_ReadCoord( &buf );
-		pos2[0] = MSG_ReadCoord( &buf ) * 0.1f;
-		pos2[1] = MSG_ReadCoord( &buf ) * 0.1f;
-		pos2[2] = MSG_ReadCoord( &buf ) * 0.1f;
-		ang[0] = MSG_ReadCoord( &buf ) * 0.01f;
-		ang[1] = MSG_ReadCoord( &buf ) * 0.01f;
+		pos[0] = MSG_ReadCoord( pbuf );
+		pos[1] = MSG_ReadCoord( pbuf );
+		pos[2] = MSG_ReadCoord( pbuf );
+		pos2[0] = MSG_ReadCoord( pbuf ) * 0.1f;
+		pos2[1] = MSG_ReadCoord( pbuf ) * 0.1f;
+		pos2[2] = MSG_ReadCoord( pbuf ) * 0.1f;
+		ang[0] = MSG_ReadCoord( pbuf ) * 0.01f;
+		ang[1] = MSG_ReadCoord( pbuf ) * 0.01f;
 		ang[2] = 0.0f;
-		count = MSG_ReadByte( &buf );
-		decalIndices[0] = MSG_ReadByte( &buf );
+		count = MSG_ReadByte( pbuf );
+		decalIndices[0] = MSG_ReadByte( pbuf );
 		R_MultiGunshot( pos, pos2, ang, count, 1, decalIndices );
 		break;
 	case TE_USERTRACER:
-		pos[0] = MSG_ReadCoord( &buf );
-		pos[1] = MSG_ReadCoord( &buf );
-		pos[2] = MSG_ReadCoord( &buf );
-		pos2[0] = MSG_ReadCoord( &buf );
-		pos2[1] = MSG_ReadCoord( &buf );
-		pos2[2] = MSG_ReadCoord( &buf );
-		life = (float)(MSG_ReadByte( &buf ) * 0.1f);
-		color = MSG_ReadByte( &buf );
-		scale = (float)(MSG_ReadByte( &buf ) * 0.1f);
+		pos[0] = MSG_ReadCoord( pbuf );
+		pos[1] = MSG_ReadCoord( pbuf );
+		pos[2] = MSG_ReadCoord( pbuf );
+		pos2[0] = MSG_ReadCoord( pbuf );
+		pos2[1] = MSG_ReadCoord( pbuf );
+		pos2[2] = MSG_ReadCoord( pbuf );
+		life = (float)(MSG_ReadByte( pbuf ) * 0.1f);
+		color = MSG_ReadByte( pbuf );
+		scale = (float)(MSG_ReadByte( pbuf ) * 0.1f);
 		R_UserTracerParticle( pos, pos2, life, color, scale, 0, NULL );
 		break;
 	default:
@@ -2389,7 +2409,7 @@ void CL_ParseTempEntity( sizebuf_t *msg )
 	}
 
 	// throw warning
-	if( MSG_CheckOverflow( &buf ))
+	if( MSG_CheckOverflow( pbuf ))
 		Con_DPrintf( S_WARN "%s: overflow TE message %i\n", __func__, type );
 }
 
@@ -3113,4 +3133,3 @@ void CL_ClearEffects( void )
 	CL_ClearParticles ();
 	CL_ClearLightStyles ();
 }
-

engine/client/client.h

@@ -278,6 +278,8 @@ typedef struct
 	int lostpackets;					// count lost packets and show dialog in menu
 
 	double frametime_remainder;
+
+	uint worldmapCRC;
 } client_t;
 
 /*
@@ -309,14 +311,6 @@ typedef enum
 	CL_CHANGELEVEL,	// draw 'loading' during changelevel
 } scrstate_t;
 
-typedef enum
-{
-	PROTO_CURRENT = 0, // Xash3D 49
-	PROTO_LEGACY  = 1, // Xash3D 48
-	PROTO_QUAKE   = 2, // Quake 15
-	PROTO_GOLDSRC = 3, // GoldSrc 48
-} connprotocol_t;
-
 typedef struct
 {
 	char		name[32];
@@ -760,7 +754,7 @@ qboolean CL_PrecacheResources( void );
 void CL_SetupOverviewParams( void );
 void CL_UpdateFrameLerp( void );
 int CL_IsDevOverviewMode( void );
-void CL_SignonReply( void );
+void CL_SignonReply( connprotocol_t proto );
 void CL_ClearState( void );
 
 //
@@ -790,8 +784,8 @@ int CL_GetDemoComment( const char *demoname, char *comment );
 //
 // cl_events.c
 //
-void CL_ParseEvent( sizebuf_t *msg );
-void CL_ParseReliableEvent( sizebuf_t *msg );
+void CL_ParseEvent( sizebuf_t *msg, connprotocol_t proto );
+void CL_ParseReliableEvent( sizebuf_t *msg, connprotocol_t proto );
 void CL_SetEventIndex( const char *szEvName, int ev_index );
 void 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 );
@@ -868,20 +862,22 @@ _inline cl_entity_t *CL_EDICT_NUM( int n )
 // cl_parse.c
 //
 void CL_ParseSetAngle( sizebuf_t *msg );
-void CL_ParseServerData( sizebuf_t *msg, qboolean legacy );
-void CL_ParseLightStyle( sizebuf_t *msg );
-void CL_UpdateUserinfo( sizebuf_t *msg, qboolean legacy );
+void CL_ParseServerData( sizebuf_t *msg, connprotocol_t proto );
+void CL_ParseLightStyle( sizebuf_t *msg, connprotocol_t proto );
+void CL_UpdateUserinfo( sizebuf_t *msg, connprotocol_t proto );
 void CL_ParseResource( sizebuf_t *msg );
-void CL_ParseClientData( sizebuf_t *msg );
+void CL_ParseClientData( sizebuf_t *msg, connprotocol_t proto );
 void CL_UpdateUserPings( sizebuf_t *msg );
 void CL_ParseParticles( sizebuf_t *msg );
 void CL_ParseRestoreSoundPacket( sizebuf_t *msg );
-void CL_ParseBaseline( sizebuf_t *msg, qboolean legacy );
-void CL_ParseSignon( sizebuf_t *msg );
+void CL_ParseBaseline( sizebuf_t *msg, connprotocol_t proto );
+void CL_ParseSignon( sizebuf_t *msg, connprotocol_t proto );
 void CL_ParseRestore( sizebuf_t *msg );
+void CL_ParseStaticEntity( sizebuf_t *msg );
 void CL_ParseStaticDecal( sizebuf_t *msg );
 void CL_ParseAddAngle( sizebuf_t *msg );
 void CL_RegisterUserMessage( sizebuf_t *msg );
+void CL_ParseResourceList( sizebuf_t *msg, connprotocol_t proto );
 void CL_ParseMovevars( sizebuf_t *msg );
 void CL_ParseResourceRequest( sizebuf_t *msg );
 void CL_ParseCustomization( sizebuf_t *msg );
@@ -890,18 +886,21 @@ void CL_ParseSoundFade( sizebuf_t *msg );
 void CL_ParseFileTransferFailed( sizebuf_t *msg );
 void CL_ParseHLTV( sizebuf_t *msg );
 void CL_ParseDirector( sizebuf_t *msg );
+void CL_ParseVoiceInit( sizebuf_t *msg );
+void CL_ParseVoiceData( sizebuf_t *msg );
 void CL_ParseResLocation( sizebuf_t *msg );
 void CL_ParseCvarValue( sizebuf_t *msg, const qboolean ext, const connprotocol_t proto );
 void CL_ParseServerMessage( sizebuf_t *msg );
-void CL_ParseTempEntity( sizebuf_t *msg );
+void CL_ParseTempEntity( sizebuf_t *msg, connprotocol_t proto );
 qboolean CL_DispatchUserMessage( const char *pszName, int iSize, void *pbuf );
 qboolean CL_RequestMissingResources( void );
-void CL_RegisterResources ( sizebuf_t *msg );
+void CL_RegisterResources( sizebuf_t *msg, connprotocol_t proto );
 void CL_ParseViewEntity( sizebuf_t *msg );
 void CL_ParseServerTime( sizebuf_t *msg );
 void CL_ParseUserMessage( sizebuf_t *msg, int svc_num );
 void CL_ParseFinaleCutscene( sizebuf_t *msg, int level );
 void CL_ParseTextMessage( sizebuf_t *msg );
+void CL_ParseExec( sizebuf_t *msg );
 void CL_BatchResourceRequest( qboolean initialize );
 int CL_EstimateNeededResources( void );
 
@@ -911,6 +910,11 @@ int CL_EstimateNeededResources( void );
 void CL_ParseLegacyServerMessage( sizebuf_t *msg );
 void CL_LegacyPrecache_f( void );
 
+//
+// cl_parse_gs.c
+//
+void CL_ParseGoldSrcServerMessage( sizebuf_t *msg );
+
 //
 // cl_scrn.c
 //
@@ -975,7 +979,9 @@ void CL_ParseQuakeMessage( sizebuf_t *msg );
 //
 struct channel_s;
 struct rawchan_s;
-int CL_ParsePacketEntities( sizebuf_t *msg, qboolean delta );
+qboolean CL_ValidateDeltaPacket( uint oldpacket, frame_t *oldframe );
+int CL_UpdateOldEntNum( int oldindex, frame_t *oldframe, entity_state_t **oldent );
+int CL_ParsePacketEntities( sizebuf_t *msg, qboolean delta, connprotocol_t proto );
 qboolean CL_AddVisibleEntity( cl_entity_t *ent, int entityType );
 void CL_ResetLatchedVars( cl_entity_t *ent, qboolean full_reset );
 qboolean CL_GetEntitySpatialization( struct channel_s *ch );

engine/client/s_main.c

@@ -524,6 +524,12 @@ static void SND_Spatialize( channel_t *ch )
 	dist = VectorNormalizeLength( source_vec );
 	dot = DotProduct( s_listener.right, source_vec );
 
+	if( !FBitSet( host.bugcomp, BUGCOMP_SPATIALIZE_SOUND_WITH_ATTN_NONE ))
+	{
+		// don't pan sounds with no attenuation
+		if( ch->dist_mult <= 0.0f ) dot = 0.0f;
+	}
+
 	// fill out channel volumes for single location
 	S_SpatializeChannel( &ch->leftvol, &ch->rightvol, ch->master_vol, gain, dot, dist * ch->dist_mult );
 

engine/common/common.h

@@ -112,6 +112,9 @@ typedef enum
 #include "con_nprint.h"
 #include "crclib.h"
 #include "ref_api.h"
+#define FSCALLBACK_OVERRIDE_OPEN
+#define FSCALLBACK_OVERRIDE_LOADFILE
+#define FSCALLBACK_OVERRIDE_MALLOC_LIKE
 #include "fscallback.h"
 
 // PERFORMANCE INFO
@@ -273,6 +276,9 @@ typedef enum bugcomp_e
 	// rewrites mod's attempts to write GoldSrc-specific messages into Xash protocol
 	// (new wrappers are added by request)
 	BUGCOMP_MESSAGE_REWRITE_FACILITY_FLAG = BIT( 1 ),
+
+	// makes sound with no attenuation spatialized, like in GoldSrc
+	BUGCOMP_SPATIALIZE_SOUND_WITH_ATTN_NONE = BIT( 2 ),
 } bugcomp_t;
 
 typedef struct host_parm_s
@@ -359,12 +365,49 @@ extern host_parm_t	host;
 
 typedef void (*xcommand_t)( void );
 
+//
+// zone.c
+//
+void Memory_Init( void );
+void _Mem_Free( void *data, const char *filename, int fileline );
+void *_Mem_Realloc( poolhandle_t poolptr, void *memptr, size_t size, qboolean clear, const char *filename, int fileline )
+	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 )
+	WARN_UNUSED_RESULT;
+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 );
+qboolean Mem_IsAllocatedExt( poolhandle_t poolptr, void *data );
+void Mem_PrintList( size_t minallocationsize );
+void Mem_PrintStats( void );
+
+#define Mem_Malloc( pool, size ) _Mem_Alloc( pool, size, false, __FILE__, __LINE__ )
+#define Mem_Calloc( pool, size ) _Mem_Alloc( pool, size, true, __FILE__, __LINE__ )
+#define Mem_Realloc( pool, ptr, size ) _Mem_Realloc( pool, ptr, size, true, __FILE__, __LINE__ )
+#define Mem_Free( mem ) _Mem_Free( mem, __FILE__, __LINE__ )
+#define Mem_AllocPool( name ) _Mem_AllocPool( name, __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 )
+#define Mem_Check() _Mem_Check( __FILE__, __LINE__ )
+
 //
 // filesystem_engine.c
 //
 void FS_Init( const char *basedir );
 void FS_Shutdown( void );
 void *FS_GetNativeObject( const char *obj );
+int FS_Close( file_t *file );
+search_t *FS_Search( const char *pattern, int caseinsensitive, int gamedironly )
+	MALLOC_LIKE( _Mem_Free, 1 ) WARN_UNUSED_RESULT;
+file_t *FS_Open( const char *filepath, const char *mode, qboolean gamedironly )
+	MALLOC_LIKE( FS_Close, 1 ) WARN_UNUSED_RESULT;
+byte *FS_LoadFile( const char *path, fs_offset_t *filesizeptr, qboolean gamedironly )
+	MALLOC_LIKE( _Mem_Free, 1 ) WARN_UNUSED_RESULT;
+byte *FS_LoadDirectFile( const char *path, fs_offset_t *filesizeptr )
+	MALLOC_LIKE( _Mem_Free, 1 ) WARN_UNUSED_RESULT;
 
 //
 // cmd.c
@@ -397,30 +440,6 @@ void Cmd_ExecuteString( const char *text );
 void Cmd_ForwardToServer( void );
 void Cmd_Escape( char *newCommand, const char *oldCommand, int len );
 
-//
-// zone.c
-//
-void Memory_Init( void );
-void *_Mem_Realloc( poolhandle_t poolptr, void *memptr, size_t size, qboolean clear, const char *filename, int fileline ) ALLOC_CHECK( 3 );
-void *_Mem_Alloc( poolhandle_t poolptr, size_t size, qboolean clear, const char *filename, int fileline ) ALLOC_CHECK( 2 );
-poolhandle_t _Mem_AllocPool( const char *name, const char *filename, int fileline );
-void _Mem_FreePool( poolhandle_t *poolptr, const char *filename, int fileline );
-void _Mem_EmptyPool( poolhandle_t poolptr, const char *filename, int fileline );
-void _Mem_Free( void *data, const char *filename, int fileline );
-void _Mem_Check( const char *filename, int fileline );
-qboolean Mem_IsAllocatedExt( poolhandle_t poolptr, void *data );
-void Mem_PrintList( size_t minallocationsize );
-void Mem_PrintStats( void );
-
-#define Mem_Malloc( pool, size ) _Mem_Alloc( pool, size, false, __FILE__, __LINE__ )
-#define Mem_Calloc( pool, size ) _Mem_Alloc( pool, size, true, __FILE__, __LINE__ )
-#define Mem_Realloc( pool, ptr, size ) _Mem_Realloc( pool, ptr, size, true, __FILE__, __LINE__ )
-#define Mem_Free( mem ) _Mem_Free( mem, __FILE__, __LINE__ )
-#define Mem_AllocPool( name ) _Mem_AllocPool( name, __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 )
-#define Mem_Check() _Mem_Check( __FILE__, __LINE__ )
 
 //
 // imagelib
@@ -431,10 +450,10 @@ void Image_Setup( void );
 void Image_Init( void );
 void Image_Shutdown( void );
 void Image_AddCmdFlags( uint flags );
-rgbdata_t *FS_LoadImage( const char *filename, const byte *buffer, size_t size );
-qboolean FS_SaveImage( const char *filename, rgbdata_t *pix );
-rgbdata_t *FS_CopyImage( rgbdata_t *in );
 void FS_FreeImage( rgbdata_t *pack );
+rgbdata_t *FS_LoadImage( const char *filename, const byte *buffer, size_t size ) MALLOC_LIKE( FS_FreeImage, 1 ) WARN_UNUSED_RESULT;
+qboolean FS_SaveImage( const char *filename, rgbdata_t *pix );
+rgbdata_t *FS_CopyImage( rgbdata_t *in ) MALLOC_LIKE( FS_FreeImage, 1 ) WARN_UNUSED_RESULT;
 extern const bpc_desc_t PFDesc[];	// image get pixelformat
 qboolean Image_Process( rgbdata_t **pix, int width, int height, uint flags, float reserved );
 void Image_PaletteHueReplace( byte *palSrc, int newHue, int start, int end, int pal_size );
@@ -489,14 +508,14 @@ typedef struct
 //
 void Sound_Init( void );
 void Sound_Shutdown( void );
-wavdata_t *FS_LoadSound( const char *filename, const byte *buffer, size_t size );
 void FS_FreeSound( wavdata_t *pack );
-stream_t *FS_OpenStream( const char *filename );
+void FS_FreeStream( stream_t *stream );
+wavdata_t *FS_LoadSound( const char *filename, const byte *buffer, size_t size ) MALLOC_LIKE( FS_FreeSound, 1 ) WARN_UNUSED_RESULT;
+stream_t *FS_OpenStream( const char *filename ) MALLOC_LIKE( FS_FreeStream, 1 ) WARN_UNUSED_RESULT;
 wavdata_t *FS_StreamInfo( stream_t *stream );
 int FS_ReadStream( stream_t *stream, int bytes, void *buffer );
 int FS_SetStreamPos( stream_t *stream, int newpos );
 int FS_GetStreamPos( stream_t *stream );
-void FS_FreeStream( stream_t *stream );
 qboolean Sound_Process( wavdata_t **wav, int rate, int width, int channels, uint flags );
 uint Sound_GetApproxWavePlayLen( const char *filepath );
 qboolean Sound_SupportedFileFormat( const char *fileext );
@@ -561,7 +580,7 @@ qboolean SV_Active( void );
 char *COM_MemFgets( byte *pMemFile, int fileSize, int *filePos, char *pBuffer, int bufferSize );
 void COM_HexConvert( const char *pszInput, int nInputLength, byte *pOutput );
 int COM_SaveFile( const char *filename, const void *data, int len );
-byte* COM_LoadFileForMe( const char *filename, int *pLength );
+byte *COM_LoadFileForMe( const char *filename, int *pLength ) MALLOC_LIKE( free, 1 );
 qboolean COM_IsSafeFileToDownload( const char *filename );
 cvar_t *pfnCVarGetPointer( const char *szVarName );
 int pfnDrawConsoleString( int x, int y, char *string );
@@ -651,6 +670,15 @@ void HPAK_FlushHostQueue( void );
 #define INPUT_DEVICE_JOYSTICK (1<<2)
 #define INPUT_DEVICE_VR (1<<3)
 
+
+typedef enum connprotocol_e
+{
+	PROTO_CURRENT = 0, // Xash3D 49
+	PROTO_LEGACY, // Xash3D 48
+	PROTO_QUAKE, // Quake 15
+	PROTO_GOLDSRC, // GoldSrc 48
+} connprotocol_t;
+
 // shared calls
 struct physent_s;
 struct sv_client_s;
@@ -661,10 +689,9 @@ qboolean CL_IsThirdPerson( void );
 qboolean CL_IsIntermission( void );
 qboolean CL_Initialized( void );
 char *CL_Userinfo( void );
-void CL_LegacyUpdateInfo( void );
 void CL_CharEvent( int key );
 qboolean CL_DisableVisibility( void );
-byte *COM_LoadFile( const char *filename, int usehunk, int *pLength );
+byte *COM_LoadFile( const char *filename, int usehunk, int *pLength ) MALLOC_LIKE( free, 1 );
 struct cmd_s *Cmd_GetFirstFunctionHandle( void );
 struct cmd_s *Cmd_GetNextFunctionHandle( struct cmd_s *cmd );
 struct cmdalias_s *Cmd_AliasGetList( void );
@@ -749,6 +776,15 @@ int COM_CompareFileTime( const char *filename1, const char *filename2, int *iCom
 char *va( const char *format, ... ) _format( 1 );
 qboolean CRC32_MapFile( dword *crcvalue, const char *filename, qboolean multiplayer );
 
+#if !XASH_DEDICATED
+connprotocol_t CL_Protocol( void );
+#else
+static inline connprotocol_t CL_Protocol( void )
+{
+	return PROTO_CURRENT;
+}
+#endif
+
 static inline qboolean Host_IsLocalGame( void )
 {
 	if( SV_Active( ))
@@ -798,6 +834,16 @@ void NET_MasterClear( void );
 void NET_MasterShutdown( void );
 qboolean NET_GetMaster( netadr_t from, uint *challenge, double *last_heartbeat );
 
+//
+// munge.c
+//
+void COM_Munge( byte *data, size_t len, int seq );
+void COM_UnMunge( byte *data, size_t len, int seq );
+void COM_Munge2( byte *data, size_t len, int seq );
+void COM_UnMunge2( byte *data, size_t len, int seq );
+void COM_Munge3( byte *data, size_t len, int seq );
+void COM_UnMunge3( byte *data, size_t len, int seq );
+
 //
 // sounds.c
 //

engine/common/cvar.c

@@ -70,15 +70,14 @@ find the specified variable by name
 */
 convar_t *Cvar_FindVarExt( const char *var_name, int ignore_group )
 {
-	// TODO: ignore group for cvar
-#if defined(XASH_HASHED_VARS)
-	return (convar_t *)BaseCmd_Find( HM_CVAR, var_name );
-#else
-	convar_t	*var;
+	convar_t *var;
 
 	if( !var_name )
 		return NULL;
 
+#if defined(XASH_HASHED_VARS) // TODO: ignore_group
+	var = BaseCmd_Find( HM_CVAR, var_name );
+#else
 	for( var = cvar_vars; var; var = var->next )
 	{
 		if( ignore_group && FBitSet( ignore_group, var->flags ))
@@ -87,9 +86,13 @@ convar_t *Cvar_FindVarExt( const char *var_name, int ignore_group )
 		if( !Q_stricmp( var_name, var->name ))
 			return var;
 	}
-
-	return NULL;
 #endif
+
+	// HACKHACK: HL25 compatibility
+	if( !var && !Q_stricmp( var_name, "gl_widescreen_yfov" ))
+		var = Cvar_FindVarExt( "r_adjust_fov", ignore_group );
+
+	return var;
 }
 
 /*
@@ -272,6 +275,15 @@ static qboolean Cvar_ValidateVarName( const char *s, qboolean isvalue )
 	return true;
 }
 
+static void Cvar_Free( convar_t *var )
+{
+	freestring( var->name );
+	freestring( var->string );
+	freestring( var->def_string );
+	freestring( var->desc );
+	Mem_Free( var );
+}
+
 /*
 ============
 Cvar_UnlinkVar
@@ -311,17 +323,13 @@ static int Cvar_UnlinkVar( const char *var_name, int group )
 #endif
 
 		// unlink variable from list
-		freestring( var->string );
 		*prev = var->next;
 
 		// only allocated cvars can throw these fields
 		if( FBitSet( var->flags, FCVAR_ALLOCATED ))
-		{
-			freestring( var->name );
-			freestring( var->def_string );
-			freestring( var->desc );
-			Mem_Free( var );
-		}
+			Cvar_Free( var );
+		else
+			freestring( var->string );
 		count++;
 	}
 
@@ -1217,6 +1225,20 @@ static void Cvar_List_f( void )
 	Con_Printf( "\n%i cvars\n", count );
 }
 
+static qboolean Cvar_ValidateUnlinkGroup( int group )
+{
+	if( FBitSet( group, FCVAR_EXTDLL ) && !Cvar_VariableInteger( "host_gameloaded" ))
+		return false;
+
+	if( FBitSet( group, FCVAR_CLIENTDLL ) && !Cvar_VariableInteger( "host_clientloaded" ))
+		return false;
+
+	if( FBitSet( group, FCVAR_GAMEUIDLL ) && !Cvar_VariableInteger( "host_gameuiloaded" ))
+		return false;
+
+	return true;
+}
+
 /*
 ============
 Cvar_Unlink
@@ -1228,19 +1250,95 @@ void Cvar_Unlink( int group )
 {
 	int	count;
 
-	if( Cvar_VariableInteger( "host_gameloaded" ) && FBitSet( group, FCVAR_EXTDLL ))
-		return;
-
-	if( Cvar_VariableInteger( "host_clientloaded" ) && FBitSet( group, FCVAR_CLIENTDLL ))
-		return;
-
-	if( Cvar_VariableInteger( "host_gameuiloaded" ) && FBitSet( group, FCVAR_GAMEUIDLL ))
+	if( !Cvar_ValidateUnlinkGroup( group ))
 		return;
 
 	count = Cvar_UnlinkVar( NULL, group );
 	Con_Reportf( "unlink %i cvars\n", count );
 }
 
+pending_cvar_t *Cvar_PrepareToUnlink( int group )
+{
+	pending_cvar_t *list = NULL;
+	pending_cvar_t *tail = NULL;
+	convar_t *cv;
+
+	for( 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( host.mempool, sizeof( *list ) + namelen );
+		p->next = NULL;
+		p->cv_cur = cv;
+		p->cv_next = cv->next;
+		p->cv_allocated = FBitSet( cv->flags, FCVAR_ALLOCATED ) ? true : false;
+		Q_strncpy( p->cv_name, cv->name, namelen );
+
+		if( list == NULL )
+			list = p;
+		else
+			tail->next = p;
+
+		tail = p;
+	}
+
+	return list;
+}
+
+void Cvar_UnlinkPendingCvars( pending_cvar_t *list )
+{
+	int count = 0;
+
+	while( list != NULL )
+	{
+		pending_cvar_t *next = list->next;
+		convar_t *cv_prev, *cv;
+
+		for( cv_prev = NULL, cv = cvar_vars; cv != NULL; cv_prev = cv, cv = cv->next )
+		{
+			if( cv == list->cv_cur )
+				break;
+		}
+
+		if( cv == NULL )
+		{
+			Con_Reportf( "%s: can't find %s in variable list\n", __func__, list->cv_name );
+			Mem_Free( list );
+			list = next;
+			continue;
+		}
+
+		// unlink cvar from list
+		BaseCmd_Remove( HM_CVAR, list->cv_name );
+		if( cv_prev != NULL )
+			cv_prev->next = list->cv_next;
+		else cvar_vars = list->cv_next;
+
+		if( list->cv_allocated )
+			Cvar_Free( list->cv_cur );
+		else
+		{
+			// TODO: can't free cvar string here because
+			// it's not safe to access cv_cur and
+			// can't save string pointer because it could've been changed
+			// and pointer to it is already lost
+			// freestring( list->cv_string );
+		}
+
+		// now free pending cvar
+		Mem_Free( list );
+		list = next;
+		count++;
+	}
+
+	Con_Reportf( "unlink %i cvars\n", count );
+}
+
 /*
 ============
 Cvar_Init

engine/common/cvar.h

@@ -18,6 +18,18 @@ GNU General Public License for more details.
 
 #include "cvardef.h"
 
+// As some mods dynamically allocate cvars and free them without notifying the engine
+// let's construct a list of cvars that must be removed
+typedef struct pending_cvar_s
+{
+	struct pending_cvar_s *next;
+
+	convar_t *cv_cur; // preserve the data that might get freed
+	convar_t *cv_next;
+	qboolean  cv_allocated; // if it's allocated by us, it's safe to access cv_cur
+	char      cv_name[];
+} pending_cvar_t;
+
 cvar_t *Cvar_GetList( void );
 #define Cvar_FindVar( name )	Cvar_FindVarExt( name, 0 )
 convar_t *Cvar_FindVarExt( const char *var_name, int ignore_group );
@@ -43,4 +55,7 @@ void Cvar_Init( void );
 void Cvar_PostFSInit( void );
 void Cvar_Unlink( int group );
 
+pending_cvar_t *Cvar_PrepareToUnlink( int group );
+void Cvar_UnlinkPendingCvars( pending_cvar_t *pending_cvars );
+
 #endif//CVAR_H

engine/common/dedicated.c

@@ -134,11 +134,6 @@ void GAME_EXPORT S_StopSound(int entnum, int channel, const char *soundname)
 
 }
 
-int S_GetCurrentStaticSounds( soundlist_t *pout, int size )
-{
-	return 0;
-}
-
 int GAME_EXPORT CL_GetMaxClients( void )
 {
 	return 0;

engine/common/filesystem_engine.c

@@ -27,6 +27,31 @@ fs_globals_t *FI;
 static pfnCreateInterface_t fs_pfnCreateInterface;
 static HINSTANCE fs_hInstance;
 
+search_t *FS_Search( const char *pattern, int caseinsensitive, int gamedironly )
+{
+	return g_fsapi.Search( pattern, caseinsensitive, gamedironly );
+}
+
+int FS_Close( file_t *file )
+{
+	return g_fsapi.Close( file );
+}
+
+file_t *FS_Open( const char *filepath, const char *mode, qboolean gamedironly )
+{
+	return g_fsapi.Open( filepath, mode, gamedironly );
+}
+
+byte *FS_LoadFile( const char *path, fs_offset_t *filesizeptr, qboolean gamedironly )
+{
+	return g_fsapi.LoadFile( path, filesizeptr, gamedironly );
+}
+
+byte *FS_LoadDirectFile( const char *path, fs_offset_t *filesizeptr )
+{
+	return g_fsapi.LoadDirectFile( path, filesizeptr );
+}
+
 static void COM_StripDirectorySlash( char *pname )
 {
 	size_t len;

engine/common/host.c

@@ -73,6 +73,7 @@ static feature_message_t bugcomp_features[] =
 {
 { BUGCOMP_PENTITYOFENTINDEX_FLAG, "pfnPEntityOfEntIndex bugfix revert", "peoei" },
 { BUGCOMP_MESSAGE_REWRITE_FACILITY_FLAG, "GoldSrc Message Rewrite Facility", "gsmrf" },
+{ BUGCOMP_SPATIALIZE_SOUND_WITH_ATTN_NONE, "spatialize sounds with zero attenuation", "sp_attn_none" },
 };
 
 static feature_message_t engine_features[] =

engine/common/imagelib/img_main.c

@@ -110,7 +110,7 @@ void Image_Reset( void )
 	image.size = 0;
 }
 
-static rgbdata_t *ImagePack( void )
+static MALLOC_LIKE( FS_FreeImage, 1 ) rgbdata_t *ImagePack( void )
 {
 	rgbdata_t	*pack;
 
@@ -547,7 +547,7 @@ static void Test_CheckImage( const char *name, rgbdata_t *rgb )
 	TASSERT( load->size == rgb->size )
 	TASSERT( memcmp(load->buffer, rgb->buffer, rgb->size ) == 0 )
 
-	Mem_Free( load );
+	FS_FreeImage( load );
 }
 
 void Test_RunImagelib( void )

engine/common/lib_common.c

@@ -126,20 +126,14 @@ dll_user_t *FS_FindLibrary( const char *dllname, qboolean directpath )
 =============================================================================
 */
 
-static void COM_GenerateCommonLibraryName( const char *name, const char *ext, const char *suffix, char *out, size_t size )
+static void COM_GenerateCommonLibraryName( const char *name, const char *ext, char *out, size_t size )
 {
 #if ( XASH_WIN32 || XASH_LINUX || XASH_APPLE ) && XASH_X86
-	if( suffix )
-		Q_snprintf( out, size, "%s_%s.%s", name, suffix, ext );
-	else Q_snprintf( out, size, "%s.%s", name, ext );
+	Q_snprintf( out, size, "%s.%s", name, ext );
 #elif ( XASH_WIN32 || XASH_LINUX || XASH_APPLE )
-	if( suffix )
-		Q_snprintf( out, size, "%s_%s_%s.%s", name, Q_buildarch(), suffix, ext );
-	else Q_snprintf( out, size, "%s_%s.%s", name, Q_buildarch(), ext );
+	Q_snprintf( out, size, "%s_%s.%s", name, Q_buildarch(), ext );
 #else
-	if( suffix )
-		Q_snprintf( out, size, "%s_%s_%s_%s.%s", name, Q_buildos(), Q_buildarch(), suffix, ext );
-	else Q_snprintf( out, size, "%s_%s_%s.%s", name, Q_buildos(), Q_buildarch(), ext );
+	Q_snprintf( out, size, "%s_%s_%s.%s", name, Q_buildos(), Q_buildarch(), ext );
 #endif
 }
 
@@ -160,7 +154,7 @@ static void COM_GenerateClientLibraryPath( const char *name, char *out, size_t s
 	// we don't have any library prefixes, so we can safely append dll_path here
 	Q_snprintf( dllpath, sizeof( dllpath ), "%s/%s", GI->dll_path, name );
 
-	COM_GenerateCommonLibraryName( dllpath, OS_LIB_EXT, NULL, out, size );
+	COM_GenerateCommonLibraryName( dllpath, OS_LIB_EXT, out, size );
 #endif
 }
 
@@ -217,13 +211,7 @@ static void COM_GenerateServerLibraryPath( char *out, size_t size )
 	COM_StripExtension( dllpath );
 	COM_StripIntelSuffix( dllpath );
 
-#if XASH_ARCH_USES_ONLY_ABI2
-	COM_GenerateCommonLibraryName( dllpath, ext, NULL, out, size );
-#elif XASH_64BIT
-	COM_GenerateCommonLibraryName( dllpath, ext, "st64", out, size );
-#else
-	COM_GenerateCommonLibraryName( dllpath, ext, NULL, out, size );
-#endif
+	COM_GenerateCommonLibraryName( dllpath, ext, out, size );
 #endif
 }
 

engine/common/masterlist.c

@@ -21,6 +21,7 @@ typedef struct master_s
 	struct master_s *next;
 	qboolean sent; // TODO: get rid of this internal state
 	qboolean save;
+	qboolean v6only;
 	string address;
 	netadr_t adr; // temporary, rewritten after each send
 
@@ -45,7 +46,7 @@ NET_GetMasterHostByName
 */
 static net_gai_state_t NET_GetMasterHostByName( master_t *m )
 {
-	net_gai_state_t res = NET_StringToAdrNB( m->address, &m->adr );
+	net_gai_state_t res = NET_StringToAdrNB( m->address, &m->adr, m->v6only );
 
 	if( res == NET_EAI_OK )
 		return res;
@@ -251,7 +252,7 @@ NET_AddMaster
 Add master to the list
 ========================
 */
-static void NET_AddMaster( const char *addr, qboolean save )
+static void NET_AddMaster( const char *addr, qboolean save, qboolean v6only )
 {
 	master_t *master, *last;
 
@@ -261,10 +262,11 @@ static void NET_AddMaster( const char *addr, qboolean save )
 			return;
 	}
 
-	master = Mem_Malloc( host.mempool, sizeof( master_t ) );
+	master = Mem_Malloc( host.mempool, sizeof( *master ) );
 	Q_strncpy( master->address, addr, sizeof( master->address ));
 	master->sent = false;
 	master->save = save;
+	master->v6only = v6only;
 	master->next = NULL;
 	master->adr.type = 0;
 
@@ -283,7 +285,7 @@ static void NET_AddMaster_f( void )
 		return;
 	}
 
-	NET_AddMaster( Cmd_Argv( 1 ), true ); // save them into config
+	NET_AddMaster( Cmd_Argv( 1 ), true, false ); // save them into config
 	ml.modified = true; // save config
 }
 
@@ -316,15 +318,14 @@ static void NET_ListMasters_f( void )
 	master_t *list;
 	int i;
 
-	Msg( "Master servers\n=============\n" );
-
+	Con_Printf( "Master servers:\n" );
 
 	for( i = 1, list = ml.list; list; i++, list = list->next )
 	{
-		Msg( "%d\t%s", i, list->address );
+		Con_Printf( "%d\t%s", i, list->address );
 		if( list->adr.type != 0 )
-			Msg( "\t%s\n", NET_AdrToString( list->adr ));
-		else Msg( "\n" );
+			Con_Printf( "\t%s\n", NET_AdrToString( list->adr ));
+		else Con_Printf( "\n" );
 	}
 }
 
@@ -354,11 +355,15 @@ static void NET_LoadMasters( void )
 	// format: master <addr>\n
 	while( ( pfile = COM_ParseFile( pfile, token, sizeof( token ) ) ) )
 	{
-		if( !Q_strcmp( token, "master" ) ) // load addr
+		if( !Q_strcmp( token, "master" )) // load addr
 		{
 			pfile = COM_ParseFile( pfile, token, sizeof( token ) );
-
-			NET_AddMaster( token, true );
+			NET_AddMaster( token, true, false );
+		}
+		else if( !Q_strcmp( token, "master6" ))
+		{
+			pfile = COM_ParseFile( pfile, token, sizeof( token ) );
+			NET_AddMaster( token, true, true );
 		}
 	}
 
@@ -396,7 +401,7 @@ void NET_SaveMasters( void )
 	for( m = ml.list; m; m = m->next )
 	{
 		if( m->save )
-			FS_Printf( f, "master %s\n", m->address );
+			FS_Printf( f, "%s %s\n", m->v6only ? "master6" : "master", m->address );
 	}
 
 	FS_Close( f );
@@ -418,10 +423,10 @@ void NET_InitMasters( void )
 	Cvar_RegisterVariable( &sv_verbose_heartbeats );
 
 	// keep main master always there
-	NET_AddMaster( MASTERSERVER_ADR, false );
-	NET_AddMaster( "aaaa.mentality.rip:27010", false ); // IPv6-only
-	NET_AddMaster( "mentality.rip:27011", false ); // testing server, might be offline
-	NET_AddMaster( "aaaa.mentality.rip:27011", false ); // IPv6-only, testing server, might be offline
+	NET_AddMaster( MASTERSERVER_ADR, false, false );
+	NET_AddMaster( "aaaa.mentality.rip:27010", false, true ); // IPv6-only
+	NET_AddMaster( "mentality.rip:27011", false, false ); // testing server, might be offline
+	NET_AddMaster( "aaaa.mentality.rip:27011", false, true ); // IPv6-only, testing server, might be offline
 
 	NET_LoadMasters( );
 }

engine/common/mod_bmodel.c

@@ -30,13 +30,6 @@ GNU General Public License for more details.
 
 #define MIPTEX_CUSTOM_PALETTE_SIZE_BYTES ( sizeof( int16_t ) + 768 )
 
-typedef struct wadlist_s
-{
-	char			wadnames[MAX_MAP_WADS][32];
-	int			wadusage[MAX_MAP_WADS];
-	int			count;
-} wadlist_t;
-
 typedef struct leaflist_s
 {
 	int			count;
@@ -136,7 +129,6 @@ typedef struct
 	dclipnode32_t		*clipnodes_out;	// temporary 32-bit array to hold clipnodes
 
 	// misc stuff
-	wadlist_t			wadlist;
 	int			lightmap_samples;	// samples per lightmap (1 or 3)
 	int			version;		// model version
 	qboolean			isworld;
@@ -1835,7 +1827,7 @@ static void Mod_LoadEntities( model_t *mod, dbspmodel_t *bmod )
 	world.generator[0] = '\0';
 	world.compiler[0] = '\0';
 	world.message[0] = '\0';
-	bmod->wadlist.count = 0;
+	world.wadlist.count = 0;
 
 	// parse all the wads for loading textures in right ordering
 	while(( pfile = COM_ParseFile( pfile, token, sizeof( token ))) != NULL )
@@ -1878,12 +1870,12 @@ static void Mod_LoadEntities( model_t *mod, dbspmodel_t *bmod )
 					// make sure that wad is really exist
 					if( FS_FileExists( va( "%s.wad", token ), false ))
 					{
-						int num = bmod->wadlist.count++;
-						Q_strncpy( bmod->wadlist.wadnames[num], token, sizeof( bmod->wadlist.wadnames[0] ));
-						bmod->wadlist.wadusage[num] = 0;
+						int num = world.wadlist.count++;
+						Q_strncpy( world.wadlist.wadnames[num], token, sizeof( world.wadlist.wadnames[0] ));
+						world.wadlist.wadusage[num] = 0;
 					}
 
-					if( bmod->wadlist.count >= MAX_MAP_WADS )
+					if( world.wadlist.count >= MAX_MAP_WADS )
 						break; // too many wads...
 				}
 			}
@@ -2030,24 +2022,35 @@ static void Mod_LoadMarkSurfaces( model_t *mod, dbspmodel_t *bmod )
 
 	if( bmod->version == QBSP2_VERSION )
 	{
-		dmarkface32_t	*in = bmod->markfaces32;
+		const dmarkface32_t *in = bmod->markfaces32;
 
-		for( i = 0; i < bmod->nummarkfaces; i++, in++ )
+		for( i = 0; i < bmod->nummarkfaces; i++ )
 		{
-			if( *in < 0 || *in >= mod->numsurfaces )
-				Host_Error( "%s: bad surface number in '%s'\n", __func__, mod->name );
-			out[i] = mod->surfaces + *in;
+			if( in[i] < 0 || in[i] >= mod->numsurfaces )
+				Host_Error( "%s: bad surface number %i at %i (max %i) in '%s'\n", __func__, in[i], i, mod->numsurfaces, mod->name );
+			out[i] = mod->surfaces + in[i];
 		}
 	}
 	else
 	{
-		dmarkface_t	*in = bmod->markfaces;
+		const dmarkface_t *in = bmod->markfaces;
 
-		for( i = 0; i < bmod->nummarkfaces; i++, in++ )
+		for( i = 0; i < bmod->nummarkfaces; i++ )
 		{
-			if( *in < 0 || *in >= mod->numsurfaces )
-				Host_Error( "%s: bad surface number in '%s'\n", __func__, mod->name );
-			out[i] = mod->surfaces + *in;
+			// NOTE: some of the buggy compilers have written a broken BSP file
+			// with marksurface pointing at negative surface, for example darkf6.bsp
+			// and darkf26.bsp in darkfuture mod. GoldSrc straight up writes
+			// invalid pointer to a surface. Try to fix up these cases...
+			if( mod->numsurfaces <= INT16_MAX && (int16_t)in[i] < 0 )
+			{
+				Con_Printf( S_WARN "%s: fixing up bad surface number %i at %i (max %i) in '%s'\n", __func__, in[i], i, mod->numsurfaces, mod->name );
+				out[i] = mod->surfaces;
+				continue;
+			}
+
+			if( in[i] < 0 || in[i] >= mod->numsurfaces )
+				Host_Error( "%s: bad surface number %i at %i (max %i) in '%s'\n", __func__, in[i], i, mod->numsurfaces, mod->name );
+			out[i] = mod->surfaces + in[i];
 		}
 	}
 }
@@ -2309,9 +2312,9 @@ static void Mod_LoadTextureData( model_t *mod, dbspmodel_t *bmod, int textureInd
 	}
 
 	// Try WAD texture (force while r_wadtextures is 1)
-	if( !texture->gl_texturenum && (( r_wadtextures.value && bmod->wadlist.count > 0 ) || mipTex->offsets[0] <= 0 ))
+	if( !texture->gl_texturenum && (( r_wadtextures.value && world.wadlist.count > 0 ) || mipTex->offsets[0] <= 0 ))
 	{
-		int wadIndex = Mod_FindTextureInWadList( &bmod->wadlist, mipTex->name, texpath, sizeof( texpath ));
+		int wadIndex = Mod_FindTextureInWadList( &world.wadlist, mipTex->name, texpath, sizeof( texpath ));
 
 		if( wadIndex >= 0 )
 		{
@@ -2319,7 +2322,7 @@ static void Mod_LoadTextureData( model_t *mod, dbspmodel_t *bmod, int textureInd
 			if( !Host_IsDedicated( ))
 				texture->gl_texturenum = ref.dllFuncs.GL_LoadTexture( texpath, NULL, 0, txFlags );
 #endif // !XASH_DEDICATED
-			bmod->wadlist.wadusage[wadIndex]++;
+			world.wadlist.wadusage[wadIndex]++;
 		}
 	}
 
@@ -2377,12 +2380,12 @@ static void Mod_LoadTextureData( model_t *mod, dbspmodel_t *bmod, int textureInd
 			// doesn't exist there. The original texture is already loaded, but cannot be modified.
 			// Instead, load the original texture again and convert it to luma.
 
-			wadIndex = Mod_FindTextureInWadList( &bmod->wadlist, texture->name, texpath, sizeof( texpath ));
+			wadIndex = Mod_FindTextureInWadList( &world.wadlist, texture->name, texpath, sizeof( texpath ));
 
 			if( wadIndex >= 0 )
 			{
 				src = FS_LoadFile( texpath, &srcSize, false );
-				bmod->wadlist.wadusage[wadIndex]++;
+				world.wadlist.wadusage[wadIndex]++;
 			}
 
 			// OK, loading it from wad or hi-res version
@@ -3415,18 +3418,14 @@ static qboolean Mod_LoadBmodelLumps( model_t *mod, const byte *mod_base, qboolea
 			Mod_CalcPHS( mod );
 	}
 
-	for( i = 0; i < bmod->wadlist.count; i++ )
+	for( i = 0; i < world.wadlist.count; i++ )
 	{
 		string wadname;
 
-		if( !bmod->wadlist.wadusage[i] )
+		if( !world.wadlist.wadusage[i] )
 			continue;
 
-		Q_snprintf( wadname, sizeof( wadname ), "%s.wad", bmod->wadlist.wadnames[i] );
-
-		// a1ba: automatically precache used wad files so client will download it
-		if( SV_Active( ))
-			SV_GenericIndex( wadname );
+		Q_snprintf( wadname, sizeof( wadname ), "%s.wad", world.wadlist.wadnames[i] );
 
 		if( !wadlist_warn )
 		{

engine/common/mod_local.h

@@ -83,6 +83,12 @@ typedef struct
 	uint		num_polys;
 } hull_model_t;
 
+typedef struct wadlist_s
+{
+	char			wadnames[MAX_MAP_WADS][32];
+	int			wadusage[MAX_MAP_WADS];
+	int			count;
+} wadlist_t;
 
 typedef struct world_static_s
 {
@@ -119,6 +125,8 @@ typedef struct world_static_s
 	// Potentially Hearable Set
 	byte   *compressed_phs;
 	size_t *phsofs;
+
+	wadlist_t wadlist;
 } world_static_t;
 
 #ifndef REF_DLL

engine/common/munge.c

@@ -0,0 +1,161 @@
+/*
+munge.c - protocol mangling for GoldSrc
+Copyright (C) ReHLDS developers
+Copyright (C) 2023 Alibek Omarov
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+*/
+#include "common.h"
+
+static const byte mungify_table[] =
+{
+	0x7A, 0x64, 0x05, 0xF1, 0x1B, 0x9B, 0xA0, 0xB5,
+	0xCA, 0xED, 0x61, 0x0D, 0x4A, 0xDF, 0x8E, 0xC7,
+};
+
+static const byte mungify_table2[] =
+{
+	0x05, 0x61, 0x7A, 0xED,	0x1B, 0xCA, 0x0D, 0x9B,
+	0x4A, 0xF1, 0x64, 0xC7,	0xB5, 0x8E, 0xDF, 0xA0,
+};
+
+static const byte mungify_table3[] =
+{
+	0x20, 0x07, 0x13, 0x61,	0x03, 0x45, 0x17, 0x72,
+	0x0A, 0x2D, 0x48, 0x0C,	0x4A, 0x12, 0xA9, 0xB5,
+};
+
+static int COM_SwapLong( int c )
+{
+	return ((( c >> 0  ) & 0xFF) << 24 ) +
+		   ((( c >> 8  ) & 0xFF) << 16 ) +
+		   ((( c >> 16 ) & 0xFF) << 8  ) +
+		   ((( c >> 24 ) & 0xFF) << 0  );
+}
+
+static void COM_GenericMunge( byte *data, const size_t len, const int seq, const byte *table, const qboolean reverse )
+{
+	const size_t mungelen = len / 4;
+	int i;
+
+	for( i = 0; i < mungelen; i++ )
+	{
+		uint *pc, c;
+		byte *p;
+		int j;
+
+		pc = (uint *)&data[i * 4];
+		c = *pc;
+		c ^= seq;
+		if( !reverse )
+			c = COM_SwapLong( c );
+
+		p = (byte *)&c;
+		for( j = 0; j < 4; j++ )
+			*p++ ^= (0xa5 | (j << j) | j | table[(i + j) & 0x0f]);
+
+		if( reverse )
+			c = COM_SwapLong( c );
+		c ^= ~seq;
+		*pc = c;
+	}
+}
+
+// Anti-proxy/aimbot obfuscation code
+// COM_UnMunge should reversably fixup the data
+void COM_Munge( byte *data, size_t len, int seq )
+{
+	COM_GenericMunge( data, len, seq, mungify_table, false );
+}
+
+void COM_UnMunge( byte *data, size_t len, int seq )
+{
+	COM_GenericMunge( data, len, seq, mungify_table, true );
+}
+
+void COM_Munge2( byte *data, size_t len, int seq )
+{
+	COM_GenericMunge( data, len, seq, mungify_table2, false );
+}
+
+void COM_UnMunge2( byte *data, size_t len, int seq )
+{
+	COM_GenericMunge( data, len, seq, mungify_table2, true );
+}
+
+void COM_Munge3( byte *data, size_t len, int seq )
+{
+	COM_GenericMunge( data, len, seq, mungify_table3, false );
+}
+
+void COM_UnMunge3( byte *data, size_t len, int seq )
+{
+	COM_GenericMunge( data, len, seq, mungify_table3, true );
+}
+
+#if XASH_ENGINE_TESTS
+#include "tests.h"
+
+void Test_RunMunge( void )
+{
+	const char *msg = "0123456789qwertyuiopasdfghjklzxcvbnmaa";
+	const char *expected[][3] =
+	{
+	{
+		"\x33\x2a\x61\x30\x2d\x6e\x35\x74\x2d\x79\x79\x78\x73\x34\x32\x25\x30\x2f\x39\x35\x26\x3c\x33\x61\x31\x22\x78\x67\x29\x68\x6a\x6c\x7d\x7e\x72\x36\x61\x61",
+		"\x69\x2a\x31\x30\x2d\x36\x25\x74\x77\x61\x79\x38\x6b\x34\x62\x25\x30\x7f\x39\x35\x76\x34\x33\x61\x39\x2a\x78\x67\x23\x68\x7a\x6c\x7d\x66\x72\x76\x61\x61",
+		"\x69\x6a\x71\x30\x6f\x7e\x25\x74\x3f\x69\x69\x38\x63\x2c\x62\x25\x28\x77\x29\x75\x7c\x2c\x73\x21\x23\x62\x38\x27\x6b\x28\x2a\x6c\x3d\x3e\x72\x36\x61\x61",
+	}, {
+		"\x32\x2a\x61\x31\x2c\x6e\x35\x75\x2c\x79\x79\x79\x72\x34\x32\x24\x31\x2f\x39\x34\x27\x3c\x33\x60\x30\x22\x78\x66\x28\x68\x6a\x6d\x7c\x7e\x72\x37\x61\x61",
+		"\x68\x2a\x31\x31\x2c\x36\x25\x75\x76\x61\x79\x39\x6a\x34\x62\x24\x31\x7f\x39\x34\x77\x34\x33\x60\x38\x2a\x78\x66\x22\x68\x7a\x6d\x7c\x66\x72\x77\x61\x61",
+		"\x68\x6a\x71\x31\x6e\x7e\x25\x75\x3e\x69\x69\x39\x62\x2c\x62\x24\x29\x77\x29\x74\x7d\x2c\x73\x20\x22\x62\x38\x26\x6a\x28\x2a\x6d\x3c\x3e\x72\x37\x61\x61",
+	}
+	};
+	string buf;
+	size_t msglen = Q_strlen( msg ) + 1;
+	int i;
+
+	Q_strncpy( buf, msg, msglen );
+
+	for( i = 0; i < 0xFF; i++ )
+	{
+		COM_Munge( buf, msglen, i );
+		if( i < sizeof( expected ) / sizeof( expected[0] ))
+		{
+			//for( int j = 0; j < msglen; j++ )
+			//	printf( "\\x%02x", buf[j] );
+			//printf( "\n" );
+			TASSERT( !memcmp( buf, expected[i][0], msglen ));
+		}
+		COM_UnMunge( buf, msglen, i );
+
+		TASSERT( !Q_strcmp( buf, msg ));
+
+		COM_Munge2( buf, msglen, i );
+		if( i < sizeof( expected ) / sizeof( expected[0] ))
+		{
+			TASSERT( !memcmp( buf, expected[i][1], msglen ));
+		}
+		COM_UnMunge2( buf, msglen, i );
+
+		TASSERT( !Q_strcmp( buf, msg ));
+
+		COM_Munge3( buf, msglen, i );
+		if( i < sizeof( expected ) / sizeof( expected[0] ))
+		{
+			TASSERT( !memcmp( buf, expected[i][2], msglen ));
+		}
+		COM_UnMunge3( buf, msglen, i );
+
+		TASSERT( !Q_strcmp( buf, msg ));
+	}
+}
+#endif

engine/common/net_buffer.c

@@ -81,7 +81,7 @@ const char *svc_strings[svc_lastmsg+1] =
 	"svc_director",
 	"svc_voiceinit",
 	"svc_voicedata",
-	"svc_deltapacketbones",
+	"svc_unused54",
 	"svc_unused55",
 	"svc_resourcelocation",
 	"svc_querycvarvalue",
@@ -213,17 +213,25 @@ void MSG_WriteSBitLong( sizebuf_t *sb, int data, int numbits )
 	// do we have a valid # of bits to encode with?
 	Assert( numbits >= 1 && numbits <= 32 );
 
-	// NOTE: it does this wierdness here so it's bit-compatible with regular integer data in the buffer.
-	// (Some old code writes direct integers right into the buffer).
 	if( data < 0 )
 	{
+		if( sb->iAlternateSign )
+			MSG_WriteOneBit( sb, 1 );
+
 		MSG_WriteUBitLong( sb, (uint)( 0x80000000 + data ), numbits - 1 );
-		MSG_WriteOneBit( sb, 1 );
+
+		if( !sb->iAlternateSign )
+			MSG_WriteOneBit( sb, 1 );
 	}
 	else
 	{
+		if( sb->iAlternateSign )
+			MSG_WriteOneBit( sb, 0 );
+
 		MSG_WriteUBitLong( sb, (uint)data, numbits - 1 );
-		MSG_WriteOneBit( sb, 0 );
+
+		if( !sb->iAlternateSign )
+			MSG_WriteOneBit( sb, 0 );
 	}
 }
 
@@ -533,12 +541,22 @@ int MSG_ReadSBitLong( sizebuf_t *sb, int numbits )
 {
 	int	r, sign;
 
-	r = MSG_ReadUBitLong( sb, numbits - 1 );
+	if( sb->iAlternateSign )
+	{
+		sign = MSG_ReadOneBit( sb );
+		r = MSG_ReadUBitLong( sb, numbits - 1 );
 
-	// NOTE: it does this wierdness here so it's bit-compatible with regular integer data in the buffer.
-	// (Some old code writes direct integers right into the buffer).
-	sign = MSG_ReadOneBit( sb );
-	if( sign ) r = -( BIT( numbits - 1 ) - r );
+		if( sign )
+			r = -r;
+	}
+	else
+	{
+		r = MSG_ReadUBitLong( sb, numbits - 1 );
+		sign = MSG_ReadOneBit( sb );
+
+		if( sign )
+			r = -( BIT( numbits - 1 ) - r );
+	}
 
 	return r;
 }
@@ -569,7 +587,13 @@ int MSG_ReadCmd( sizebuf_t *sb, netsrc_t type )
 
 int MSG_ReadChar( sizebuf_t *sb )
 {
-	return MSG_ReadSBitLong( sb, sizeof( int8_t ) << 3 );
+	int alt = sb->iAlternateSign, ret;
+
+	sb->iAlternateSign = 0;
+	ret = MSG_ReadSBitLong( sb, sizeof( int8_t ) << 3 );
+	sb->iAlternateSign = alt;
+
+	return ret;
 }
 
 int MSG_ReadByte( sizebuf_t *sb )
@@ -579,7 +603,13 @@ int MSG_ReadByte( sizebuf_t *sb )
 
 int MSG_ReadShort( sizebuf_t *sb )
 {
-	return MSG_ReadSBitLong( sb, sizeof( int16_t ) << 3 );
+	int alt = sb->iAlternateSign, ret;
+
+	sb->iAlternateSign = 0;
+	ret = MSG_ReadSBitLong( sb, sizeof( int16_t ) << 3 );
+	sb->iAlternateSign = alt;
+
+	return ret;
 }
 
 int MSG_ReadWord( sizebuf_t *sb )
@@ -611,7 +641,13 @@ void MSG_ReadVec3Angles( sizebuf_t *sb, vec3_t fa )
 
 int MSG_ReadLong( sizebuf_t *sb )
 {
-	return MSG_ReadSBitLong( sb, sizeof( int32_t ) << 3 );
+	int alt = sb->iAlternateSign, ret;
+
+	sb->iAlternateSign = 0;
+	ret = MSG_ReadSBitLong( sb, sizeof( int32_t ) << 3 );
+	sb->iAlternateSign = alt;
+
+	return ret;
 }
 
 uint MSG_ReadDword( sizebuf_t *sb )

engine/common/net_buffer.h

@@ -42,6 +42,9 @@ struct sizebuf_s
 	int         iCurBit;
 	int         nDataBits;
 	const char	*pDebugName; // buffer name (pointer to const name)
+
+	// to support GoldSrc broken signed integers
+	int iAlternateSign;
 };
 
 #define MSG_StartReading     MSG_StartWriting
@@ -71,6 +74,7 @@ static inline void MSG_InitExt( sizebuf_t *sb, const char *pDebugName, void *pDa
 		sb->nDataBits = nBits;
 
 	sb->pDebugName = pDebugName;
+	sb->iAlternateSign = 0;
 }
 
 static inline void MSG_StartWriting( sizebuf_t *sb, void *pData, int nBytes, int iStartBit, int nBits )
@@ -169,6 +173,25 @@ static inline qboolean MSG_Overflow( sizebuf_t *sb, int nBits )
 	return sb->bOverflow;
 }
 
+static inline void MSG_EndBitWriting( sizebuf_t *sb )
+{
+	sb->iAlternateSign--;
+
+	if( sb->iAlternateSign < 0 )
+	{
+		Con_Printf( "%s: non-even MSG_Start/EndBitWriting\n", __func__ );
+		sb->iAlternateSign = 0;
+	}
+
+	// we have native bit ops here, just pad to closest byte
+	MSG_SeekToBit( sb, MSG_GetNumBytesWritten( sb ) << 3, SEEK_SET );
+}
+
+static inline void MSG_StartBitWriting( sizebuf_t *sb )
+{
+	sb->iAlternateSign++;
+}
+
 void MSG_InitMasks( void );	// called once at startup engine
 void MSG_ExciseBits( sizebuf_t *sb, int startbit, int bitstoremove );
 

engine/common/net_chan.c

@@ -18,6 +18,9 @@ GNU General Public License for more details.
 #include "xash3d_mathlib.h"
 #include "net_encode.h"
 #include "protocol.h"
+#if !XASH_DEDICATED
+#include <bzlib.h>
+#endif // !XASH_DEDICATED
 
 #define MAKE_FRAGID( id, count )	((( id & 0xffff ) << 16 ) | ( count & 0xffff ))
 #define FRAG_GETID( fragid )		(( fragid >> 16 ) & 0xffff )
@@ -265,7 +268,7 @@ Netchan_Setup
 called to open a channel to a remote system
 ==============
 */
-void Netchan_Setup( netsrc_t sock, netchan_t *chan, netadr_t adr, int qport, void *client, int (*pfnBlockSize)(void *, fragsize_t mode ))
+void Netchan_Setup( netsrc_t sock, netchan_t *chan, netadr_t adr, int qport, void *client, int (*pfnBlockSize)(void *, fragsize_t mode ), uint flags )
 {
 	Netchan_Clear( chan );
 
@@ -281,6 +284,10 @@ void Netchan_Setup( netsrc_t sock, netchan_t *chan, netadr_t adr, int qport, voi
 	chan->qport = qport;
 	chan->client = client;
 	chan->pfnBlockSize = pfnBlockSize;
+	chan->split = FBitSet( flags, NETCHAN_USE_LEGACY_SPLIT ) ? true : false;
+	chan->use_munge = FBitSet( flags, NETCHAN_USE_MUNGE ) ? true : false;
+	chan->use_bz2 = FBitSet( flags, NETCHAN_USE_BZIP2 ) ? true : false;
+	chan->gs_netchan = FBitSet( flags, NETCHAN_GOLDSRC ) ? true : false;
 
 	MSG_Init( &chan->message, "NetData", chan->message_buf, sizeof( chan->message_buf ));
 }
@@ -687,7 +694,19 @@ static void Netchan_CreateFragments_( netchan_t *chan, sizebuf_t *msg )
 
 	wait = (fragbufwaiting_t *)Mem_Calloc( net_mempool, sizeof( fragbufwaiting_t ));
 
-	if( !LZSS_IsCompressed( MSG_GetData( msg )))
+	if( chan->use_bz2 && memcmp( MSG_GetData( msg ), "BZ2", 4 ))
+	{
+		byte pbOut[0x10000];
+		uint uCompressedSize = MSG_GetNumBytesWritten( msg ) - 4;
+		if( !BZ2_bzBuffToBuffCompress( pbOut, &uCompressedSize, MSG_GetData( msg ), MSG_GetNumBytesWritten( msg ), 9, 0, 30 ))
+		{
+			Con_Reportf( "Compressing split packet with BZip2 (%d -> %d bytes)\n", MSG_GetNumBytesWritten( msg ), uCompressedSize );
+			memcpy( msg->pData, "BZ2", 4 );
+			memcpy( msg->pData + 4, pbOut, uCompressedSize );
+			MSG_SeekToBit( msg, uCompressedSize << 3, SEEK_SET );
+		}
+	}
+	else if( !chan->use_bz2 && !LZSS_IsCompressed( MSG_GetData( msg )))
 	{
 		uint	uCompressedSize = 0;
 		uint	uSourceSize = MSG_GetNumBytesWritten( msg );
@@ -695,7 +714,7 @@ static void Netchan_CreateFragments_( netchan_t *chan, sizebuf_t *msg )
 
 		if( pbOut && uCompressedSize > 0 && uCompressedSize < uSourceSize )
 		{
-			Con_Reportf( "Compressing split packet (%d -> %d bytes)\n", uSourceSize, uCompressedSize );
+			Con_Reportf( "Compressing split packet with LZSS (%d -> %d bytes)\n", uSourceSize, uCompressedSize );
 			memcpy( msg->pData, pbOut, uCompressedSize );
 			MSG_SeekToBit( msg, uCompressedSize << 3, SEEK_SET );
 		}
@@ -1098,7 +1117,16 @@ qboolean Netchan_CopyNormalFragments( netchan_t *chan, sizebuf_t *msg, size_t *l
 		p = n;
 	}
 
-	if( LZSS_IsCompressed( MSG_GetData( msg )))
+	if( chan->use_bz2 && !memcmp( MSG_GetData( msg ), "BZ2", 4 ) )
+	{
+		byte buf[0x10000];
+		uint uDecompressedLen = sizeof( buf );
+
+		BZ2_bzBuffToBuffDecompress( buf, &uDecompressedLen, MSG_GetData( msg ) + 4, MSG_GetNumBytesWritten( msg ) - 4, 1, 0 );
+		memcpy( msg->pData, buf, uDecompressedLen );
+		size = uDecompressedLen;
+	}
+	else if( !chan->use_bz2 && LZSS_IsCompressed( MSG_GetData( msg )))
 	{
 		uint	uDecompressedLen = LZSS_GetActualSize( MSG_GetData( msg ));
 		byte	buf[NET_MAX_MESSAGE];
@@ -1135,7 +1163,8 @@ Netchan_CopyFileFragments
 */
 qboolean Netchan_CopyFileFragments( netchan_t *chan, sizebuf_t *msg )
 {
-	char	filename[MAX_OSPATH];
+	char	filename[MAX_OSPATH], compressor[32];
+	uint	uncompressedSize;
 	int	nsize, pos;
 	byte	*buffer;
 	fragbuf_t	*p, *n;
@@ -1158,6 +1187,12 @@ qboolean Netchan_CopyFileFragments( netchan_t *chan, sizebuf_t *msg )
 	MSG_Clear( msg );
 
 	Q_strncpy( filename, MSG_ReadString( msg ), sizeof( filename ));
+	compressor[0] = 0;
+	if( chan->gs_netchan )
+	{
+		Q_strncpy( compressor, MSG_ReadString( msg ), sizeof( compressor ));
+		uncompressedSize = MSG_ReadLong( msg );
+	}
 
 	if( !COM_CheckString( filename ))
 	{
@@ -1228,10 +1263,25 @@ qboolean Netchan_CopyFileFragments( netchan_t *chan, sizebuf_t *msg )
 		p = n;
 	}
 
-	if( LZSS_IsCompressed( buffer ))
+	if( chan->gs_netchan && chan->use_bz2 )
 	{
-		uint	uncompressedSize = LZSS_GetActualSize( buffer ) + 1;
-		byte	*uncompressedBuffer = Mem_Calloc( net_mempool, uncompressedSize );
+		if( !Q_stricmp( compressor, "bz2" ))
+		{
+			byte *uncompressedBuffer = Mem_Calloc( net_mempool, uncompressedSize );
+
+			Con_DPrintf( "Decompressing file %s (%d -> %d bytes)\n", filename, nsize, uncompressedSize );
+			BZ2_bzBuffToBuffDecompress( uncompressedBuffer, &uncompressedSize, buffer, nsize, 1, 0 );
+			Mem_Free( buffer );
+			nsize = uncompressedSize;
+			buffer = uncompressedBuffer;
+		}
+	}
+	else if( LZSS_IsCompressed( buffer ))
+	{
+		byte	*uncompressedBuffer;
+
+		uncompressedSize = LZSS_GetActualSize( buffer ) + 1;
+		uncompressedBuffer = Mem_Calloc( net_mempool, uncompressedSize );
 
 		nsize = LZSS_Decompress( buffer, uncompressedBuffer );
 		Mem_Free( buffer );
@@ -1593,7 +1643,7 @@ void Netchan_TransmitBits( netchan_t *chan, int length, byte *data )
 	MSG_WriteLong( &send, w2 );
 
 	// send the qport if we are a client
-	if( chan->sock == NS_CLIENT )
+	if( chan->sock == NS_CLIENT && !chan->gs_netchan )
 	{
 		MSG_WriteWord( &send, (int)net_qport.value );
 	}
@@ -1606,8 +1656,16 @@ void Netchan_TransmitBits( netchan_t *chan, int length, byte *data )
 			{
 				MSG_WriteByte( &send, 1 );
 				MSG_WriteLong( &send, chan->reliable_fragid[i] );
-				MSG_WriteLong( &send, chan->frag_startpos[i] );
-				MSG_WriteLong( &send, chan->frag_length[i] );
+				if( chan->gs_netchan )
+				{
+					MSG_WriteShort( &send, chan->frag_startpos[i] >> 3 );
+					MSG_WriteShort( &send, chan->frag_length[i] >> 3 );
+				}
+				else
+				{
+					MSG_WriteLong( &send, chan->frag_startpos[i] );
+					MSG_WriteLong( &send, chan->frag_length[i] );
+				}
 			}
 			else
 			{
@@ -1664,6 +1722,10 @@ void Netchan_TransmitBits( netchan_t *chan, int length, byte *data )
 		int splitsize = 0;
 		if( chan->pfnBlockSize )
 			splitsize = chan->pfnBlockSize( chan->client, FRAGSIZE_SPLIT );
+
+		if( chan->use_munge )
+			COM_Munge2( send.pData + 8, MSG_GetNumBytesWritten( &send ) - 8, (byte)( chan->outgoing_sequence - 1 ));
+
 		NET_SendPacketEx( chan->sock, MSG_GetNumBytesWritten( &send ), MSG_GetData( &send ), chan->remote_address, splitsize );
 	}
 
@@ -1712,6 +1774,9 @@ qboolean Netchan_Process( netchan_t *chan, sizebuf_t *msg )
 	sequence = MSG_ReadLong( msg );
 	sequence_ack = MSG_ReadLong( msg );
 
+	if( chan->use_munge )
+		COM_UnMunge2( msg->pData + 8, ( msg->nDataBits >> 3 ) - 8, sequence & 0xFF );
+
 	// read the qport if we are a server
 	if( chan->sock == NS_SERVER )
 		qport = MSG_ReadShort( msg );
@@ -1729,8 +1794,16 @@ qboolean Netchan_Process( netchan_t *chan, sizebuf_t *msg )
 			{
 				frag_message[i] = true;
 				fragid[i] = MSG_ReadLong( msg );
-				frag_offset[i] = MSG_ReadLong( msg );
-				frag_length[i] = MSG_ReadLong( msg );
+				if( chan->gs_netchan )
+				{
+					frag_offset[i] = MSG_ReadShort( msg ) << 3;
+					frag_length[i] = MSG_ReadShort( msg ) << 3;
+				}
+				else
+				{
+					frag_offset[i] = MSG_ReadLong( msg );
+					frag_length[i] = MSG_ReadLong( msg );
+				}
 			}
 		}
 

engine/common/net_encode.c

@@ -37,6 +37,7 @@ GNU General Public License for more details.
 #define DT_TIMEWINDOW_BIG	BIT( 6 )	// and re-encoded on the client relative to the client's clock
 #define DT_STRING		BIT( 7 )	// A null terminated string, sent as 8 byte chars
 #define DT_SIGNED		BIT( 8 )	// sign modificator
+#define DT_SIGNED_GS	BIT( 31 ) // GoldSrc-specific sign modificator
 
 #define NUM_FIELDS( x )	((sizeof( x ) / sizeof( x[0] )) - 1)
 
@@ -47,6 +48,7 @@ GNU General Public License for more details.
 #define PHYS_DEF( x )	#x, offsetof( movevars_t, x ), sizeof( ((movevars_t *)0)->x )
 #define CLDT_DEF( x )	#x, offsetof( clientdata_t, x ), sizeof( ((clientdata_t *)0)->x )
 #define WPDT_DEF( x )	#x, offsetof( weapon_data_t, x ), sizeof( ((weapon_data_t *)0)->x )
+#define DESC_DEF( x )	#x, offsetof( goldsrc_delta_t, x ), sizeof( ((goldsrc_delta_t *)0)->x )
 
 static qboolean		delta_init = false;
 
@@ -315,6 +317,18 @@ static const delta_field_t ent_fields[] =
 { NULL },
 };
 
+static const delta_field_t meta_fields[] =
+{
+{ DESC_DEF( fieldType ), },
+{ DESC_DEF( fieldName ), },
+{ DESC_DEF( fieldOffset ), },
+{ DESC_DEF( fieldSize ), },
+{ DESC_DEF( significant_bits ), },
+{ DESC_DEF( premultiply ), },
+{ DESC_DEF( postmultiply ), },
+{ NULL },
+};
+
 #if XASH_ENGINE_TESTS
 typedef struct delta_test_struct_t
 {
@@ -352,22 +366,6 @@ static const delta_field_t test_fields[] =
 };
 #endif
 
-enum
-{
-	DT_EVENT_T = 0,
-	DT_MOVEVARS_T,
-	DT_USERCMD_T,
-	DT_CLIENTDATA_T,
-	DT_WEAPONDATA_T,
-	DT_ENTITY_STATE_T,
-	DT_ENTITY_STATE_PLAYER_T,
-	DT_CUSTOM_ENTITY_STATE_T,
-#if XASH_ENGINE_TESTS
-	DT_DELTA_TEST_STRUCT_T,
-#endif
-	DT_STRUCT_COUNT
-};
-
 static delta_info_t dt_info[] =
 {
 [DT_EVENT_T]               = { "event_t", ev_fields, NUM_FIELDS( ev_fields ) },
@@ -375,9 +373,10 @@ static delta_info_t dt_info[] =
 [DT_USERCMD_T]             = { "usercmd_t", cmd_fields, NUM_FIELDS( cmd_fields ) },
 [DT_CLIENTDATA_T]          = { "clientdata_t", cd_fields, NUM_FIELDS( cd_fields ) },
 [DT_WEAPONDATA_T]          = { "weapon_data_t", wd_fields, NUM_FIELDS( wd_fields ) },
-[DT_ENTITY_STATE_T]	       = { "entity_state_t", ent_fields, NUM_FIELDS( ent_fields ) },
+[DT_ENTITY_STATE_T]        = { "entity_state_t", ent_fields, NUM_FIELDS( ent_fields ) },
 [DT_ENTITY_STATE_PLAYER_T] = { "entity_state_player_t", ent_fields, NUM_FIELDS( ent_fields ) },
 [DT_CUSTOM_ENTITY_STATE_T] = { "custom_entity_state_t", ent_fields, NUM_FIELDS( ent_fields ) },
+[DT_GOLDSRC_DELTA_T]       = { "goldsrc_delta_t", meta_fields, NUM_FIELDS( meta_fields ) },
 #if XASH_ENGINE_TESTS
 [DT_DELTA_TEST_STRUCT_T]   = { "delta_test_struct_t", test_fields, NUM_FIELDS( test_fields ) },
 #endif
@@ -493,7 +492,7 @@ static qboolean Delta_AddField( delta_info_t *dt, const char *pName, int flags,
 	int		i;
 
 	// check for coexisting field
-	for( i = 0, pField = dt->pFields; i < dt->numFields; i++, pField++ )
+	for( i = 0, pField = dt->pFields; i < dt->numFields && pField; i++, pField++ )
 	{
 		if( !Q_strcmp( pField->name, pName ))
 		{
@@ -621,6 +620,64 @@ void Delta_ParseTableField( sizebuf_t *msg )
 	Delta_AddField( dt, pName, flags, bits, mul, post_mul );
 }
 
+void Delta_InitMeta( void )
+{
+	delta_info_t *dt = Delta_FindStructByIndex( DT_GOLDSRC_DELTA_T );
+
+	if( dt->bInitialized )
+		return;
+
+	Delta_AddField( dt, "fieldType",        DT_INTEGER, 32, 1.0f, 1.0f );
+	Delta_AddField( dt, "fieldName",        DT_STRING,   1, 1.0f, 1.0f );
+	Delta_AddField( dt, "fieldOffset",      DT_INTEGER, 16, 1.0f, 1.0f );
+	Delta_AddField( dt, "fieldSize",        DT_INTEGER,  8, 1.0f, 1.0f );
+	Delta_AddField( dt, "significant_bits", DT_INTEGER,  8, 1.0f, 1.0f );
+	Delta_AddField( dt, "premultiply",      DT_FLOAT,   32, 4000.0f, 1.0f );
+	Delta_AddField( dt, "postmultiply",     DT_FLOAT,   32, 4000.0f, 1.0f );
+	dt->numFields = dt->maxFields;
+	dt->bInitialized = true;
+}
+
+void Delta_ParseTableField_GS( sizebuf_t *msg )
+{
+	const char *s = MSG_ReadString( msg );
+	delta_info_t *dt = Delta_FindStruct( s );
+	goldsrc_delta_t null = { 0 };
+	int i, num_fields;
+
+
+	// delta encoders it's already initialized on this machine (local game)
+	if( delta_init )
+	{
+		Delta_Shutdown();
+		Delta_InitMeta();
+	}
+
+	if( !dt )
+		Host_Error( "%s: not initialized", __func__ );
+
+	num_fields = MSG_ReadShort( msg );
+	if( num_fields > dt->maxFields )
+		Host_Error( "%s: numFields > maxFields", __func__ );
+
+	MSG_StartBitWriting( msg );
+
+	for( i = 0; i < num_fields; i++ )
+	{
+		goldsrc_delta_t to;
+
+		Delta_ReadGSFields( msg, DT_GOLDSRC_DELTA_T, &null, &to, 0.0f );
+
+		// patch our DT_SIGNED flag
+		if( FBitSet( to.fieldType, DT_SIGNED_GS ))
+			SetBits( to.fieldType, DT_SIGNED );
+
+		Delta_AddField( dt, to.fieldName, to.fieldType, to.significant_bits, to.premultiply, to.postmultiply );
+	}
+
+	MSG_EndBitWriting( msg );
+}
+
 static qboolean Delta_ParseField( char **delta_script, const delta_field_t *pInfo, delta_t *pField, qboolean bPost )
 {
 	string		token;
@@ -988,7 +1045,7 @@ compare fields by offsets
 assume from and to is valid
 =====================
 */
-static qboolean Delta_CompareField( delta_t *pField, void *from, void *to, double timebase )
+static qboolean Delta_CompareField( delta_t *pField, const void *from, const void *to )
 {
 	int		signbit = ( pField->flags & DT_SIGNED ) ? 1 : 0;
 	float	val_a, val_b;
@@ -1109,7 +1166,7 @@ Delta_TestBaseline
 compare baselines to find optimal
 =====================
 */
-int Delta_TestBaseline( entity_state_t *from, entity_state_t *to, qboolean player, double timebase )
+int Delta_TestBaseline( const entity_state_t *from, const entity_state_t *to, qboolean player, double timebase )
 {
 	delta_info_t	*dt = NULL;
 	delta_t		*pField;
@@ -1145,7 +1202,7 @@ int Delta_TestBaseline( entity_state_t *from, entity_state_t *to, qboolean playe
 		// flag about field change (sets always)
 		countBits++;
 
-		if( !Delta_CompareField( pField, from, to, timebase ))
+		if( !Delta_CompareField( pField, from, to ))
 		{
 			// strings are handled differently
 			if( FBitSet( pField->flags, DT_STRING ))
@@ -1166,7 +1223,7 @@ write fields by offsets
 assume from and to is valid
 =====================
 */
-static qboolean Delta_WriteField( sizebuf_t *msg, delta_t *pField, void *from, void *to, double timebase )
+static void Delta_WriteField_( sizebuf_t *msg, delta_t *pField, const void *from, const void *to, double timebase )
 {
 	int		signbit = FBitSet( pField->flags, DT_SIGNED ) ? 1 : 0;
 	float		flValue, flAngle;
@@ -1174,14 +1231,6 @@ static qboolean Delta_WriteField( sizebuf_t *msg, delta_t *pField, void *from, v
 	int dt;
 	const char	*pStr;
 
-	if( Delta_CompareField( pField, from, to, timebase ))
-	{
-		MSG_WriteOneBit( msg, 0 );	// unchanged
-		return false;
-	}
-
-	MSG_WriteOneBit( msg, 1 );	// changed
-
 	if( pField->flags & DT_BYTE )
 	{
 		if( signbit )
@@ -1255,6 +1304,21 @@ static qboolean Delta_WriteField( sizebuf_t *msg, delta_t *pField, void *from, v
 		pStr = (char *)((byte *)to + pField->offset );
 		MSG_WriteString( msg, pStr );
 	}
+}
+
+static qboolean Delta_WriteField( sizebuf_t *msg, delta_t *pField, const void *from, const void *to, double timebase )
+{
+	if( Delta_CompareField( pField, from, to ))
+	{
+		MSG_WriteOneBit( msg, 0 );	// unchanged
+		return false;
+	}
+
+	MSG_WriteOneBit( msg, 1 );	// changed
+
+	Delta_WriteField_( msg, pField, from, to, timebase );
+
+	return true;
 	return true;
 }
 
@@ -1264,7 +1328,7 @@ Delta_CopyField
 
 ====================
 */
-static void Delta_CopyField( delta_t *pField, void *from, void *to, double timebase )
+static void Delta_CopyField( delta_t *pField, const void *from, void *to, double timebase )
 {
 	qboolean bSigned = FBitSet( pField->flags, DT_SIGNED );
 	uint8_t *to_field = (uint8_t *)to + pField->offset;
@@ -1313,7 +1377,7 @@ read fields by offsets
 assume 'from' and 'to' is valid
 =====================
 */
-static qboolean Delta_ReadField( sizebuf_t *msg, delta_t *pField, void *from, void *to, double timebase )
+static void Delta_ReadField_( sizebuf_t *msg, delta_t *pField, void *to, double timebase )
 {
 	qboolean		bSigned = ( pField->flags & DT_SIGNED ) ? true : false;
 	float		flValue, flAngle, flTime;
@@ -1321,12 +1385,6 @@ static qboolean Delta_ReadField( sizebuf_t *msg, delta_t *pField, void *from, vo
 	const char	*pStr;
 	char		*pOut;
 
-	if( !MSG_ReadOneBit( msg ) )
-	{
-		Delta_CopyField( pField, from, to, timebase );
-		return false;
-	}
-
 	Assert( pField->multiplier != 0.0f );
 
 	if( pField->flags & DT_BYTE )
@@ -1410,9 +1468,80 @@ static qboolean Delta_ReadField( sizebuf_t *msg, delta_t *pField, void *from, vo
 		pOut = (char *)((byte *)to + pField->offset );
 		Q_strncpy( pOut, pStr, pField->size );
 	}
+}
+
+static qboolean Delta_ReadField( sizebuf_t *msg, delta_t *pField, const void *from, void *to, double timebase )
+{
+	if( !MSG_ReadOneBit( msg ))
+	{
+		Delta_CopyField( pField, from, to, timebase );
+		return false;
+	}
+
+	Delta_ReadField_( msg, pField, to, timebase );
 	return true;
 }
 
+void Delta_ReadGSFields( sizebuf_t *msg, int index, void *from, void *to, double timebase )
+{
+	delta_info_t *dt = Delta_FindStructByIndex( index );
+	uint8_t bits[8] = { 0 };
+	delta_t *pField;
+	byte c;
+	int i;
+
+	c = MSG_ReadUBitLong( msg, 3 );
+
+	for( i = 0; i < c; i++ )
+		bits[i] = MSG_ReadByte( msg );
+
+	for( i = 0, pField = dt->pFields; i < dt->numFields; i++, pField++ )
+	{
+		int b = i >> 3;
+		int n = 1 << ( i & 7 );
+
+		if( FBitSet( bits[b], n ))
+			Delta_ReadField_( msg, pField, to, timebase );
+		else Delta_CopyField( pField, from, to, timebase );
+	}
+}
+
+void Delta_WriteGSFields( sizebuf_t *msg, int index, void *from, void *to, double timebase )
+{
+	delta_info_t *dt = Delta_FindStructByIndex( index );
+	delta_t *pField;
+	uint8_t bits[8] = { 0 };
+	uint c = 0;
+	int i;
+
+	Delta_CustomEncode( dt, from, to );
+
+	for( i = 0, pField = dt->pFields; i < dt->numFields; i++, pField++ )
+	{
+		if( !Delta_CompareField( pField, from, to ))
+		{
+			int b = i >> 3;
+			int n = 1 << ( i & 7 );
+
+			SetBits( bits[b], n );
+			c = b + 1;
+		}
+	}
+
+	MSG_WriteUBitLong( msg, c, 3 );
+	for( i = 0; i < c; i++ )
+		MSG_WriteByte( msg, bits[i] );
+
+	for( i = 0, pField = dt->pFields; i < dt->numFields; i++, pField++ )
+	{
+		int b = i >> 3;
+		int n = 1 << ( i & 7 );
+
+		if( FBitSet( bits[b], n ))
+			Delta_WriteField_( msg, pField, from, to, timebase );
+	}
+}
+
 /*
 =============================================================================
 
@@ -1425,7 +1554,7 @@ usercmd_t communication
 MSG_WriteDeltaUsercmd
 =====================
 */
-void MSG_WriteDeltaUsercmd( sizebuf_t *msg, usercmd_t *from, usercmd_t *to )
+void MSG_WriteDeltaUsercmd( sizebuf_t *msg, const usercmd_t *from, const usercmd_t *to )
 {
 	delta_t		*pField;
 	delta_info_t	*dt;
@@ -1452,7 +1581,7 @@ void MSG_WriteDeltaUsercmd( sizebuf_t *msg, usercmd_t *from, usercmd_t *to )
 MSG_ReadDeltaUsercmd
 =====================
 */
-void MSG_ReadDeltaUsercmd( sizebuf_t *msg, usercmd_t *from, usercmd_t *to )
+void MSG_ReadDeltaUsercmd( sizebuf_t *msg, const usercmd_t *from, usercmd_t *to )
 {
 	delta_t		*pField;
 	delta_info_t	*dt;
@@ -1487,7 +1616,7 @@ event_args_t communication
 MSG_WriteDeltaEvent
 =====================
 */
-void MSG_WriteDeltaEvent( sizebuf_t *msg, event_args_t *from, event_args_t *to )
+void MSG_WriteDeltaEvent( sizebuf_t *msg, const event_args_t *from, const event_args_t *to )
 {
 	delta_t		*pField;
 	delta_info_t	*dt;
@@ -1514,7 +1643,7 @@ void MSG_WriteDeltaEvent( sizebuf_t *msg, event_args_t *from, event_args_t *to )
 MSG_ReadDeltaEvent
 =====================
 */
-void MSG_ReadDeltaEvent( sizebuf_t *msg, event_args_t *from, event_args_t *to )
+void MSG_ReadDeltaEvent( sizebuf_t *msg, const event_args_t *from, event_args_t *to )
 {
 	delta_t		*pField;
 	delta_info_t	*dt;
@@ -1542,7 +1671,7 @@ movevars_t communication
 
 =============================================================================
 */
-qboolean MSG_WriteDeltaMovevars( sizebuf_t *msg, movevars_t *from, movevars_t *to )
+qboolean MSG_WriteDeltaMovevars( sizebuf_t *msg, const movevars_t *from, const movevars_t *to )
 {
 	delta_t		*pField;
 	delta_info_t	*dt;
@@ -1578,7 +1707,7 @@ qboolean MSG_WriteDeltaMovevars( sizebuf_t *msg, movevars_t *from, movevars_t *t
 	return true;
 }
 
-void MSG_ReadDeltaMovevars( sizebuf_t *msg, movevars_t *from, movevars_t *to )
+void MSG_ReadDeltaMovevars( sizebuf_t *msg, const movevars_t *from, movevars_t *to )
 {
 	delta_t		*pField;
 	delta_info_t	*dt;
@@ -1614,7 +1743,7 @@ Writes current client data only for local client
 Other clients can grab the client state from entity_state_t
 ==================
 */
-void MSG_WriteClientData( sizebuf_t *msg, clientdata_t *from, clientdata_t *to, double timebase )
+void MSG_WriteClientData( sizebuf_t *msg, const clientdata_t *from, const clientdata_t *to, double timebase )
 {
 	delta_t		*pField;
 	delta_info_t	*dt;
@@ -1654,7 +1783,7 @@ MSG_ReadClientData
 Read the clientdata
 ==================
 */
-void MSG_ReadClientData( sizebuf_t *msg, clientdata_t *from, clientdata_t *to, double timebase )
+void MSG_ReadClientData( sizebuf_t *msg, const clientdata_t *from, clientdata_t *to, double timebase )
 {
 #if !XASH_DEDICATED
 	delta_t		*pField;
@@ -1695,7 +1824,7 @@ Writes current client data only for local client
 Other clients can grab the client state from entity_state_t
 ==================
 */
-void MSG_WriteWeaponData( sizebuf_t *msg, weapon_data_t *from, weapon_data_t *to, double timebase, int index )
+void MSG_WriteWeaponData( sizebuf_t *msg, const weapon_data_t *from, const weapon_data_t *to, double timebase, int index )
 {
 	delta_t		*pField;
 	delta_info_t	*dt;
@@ -1734,7 +1863,7 @@ MSG_ReadWeaponData
 Read the clientdata
 ==================
 */
-void MSG_ReadWeaponData( sizebuf_t *msg, weapon_data_t *from, weapon_data_t *to, double timebase )
+void MSG_ReadWeaponData( sizebuf_t *msg, const weapon_data_t *from, weapon_data_t *to, double timebase )
 {
 	delta_t		*pField;
 	delta_info_t	*dt;
@@ -1771,7 +1900,7 @@ If force is not set, then nothing at all will be generated if the entity is
 identical, under the assumption that the in-order delta code will catch it.
 ==================
 */
-void MSG_WriteDeltaEntity( entity_state_t *from, entity_state_t *to, sizebuf_t *msg, qboolean force, int delta_type, double timebase, int baseline )
+void MSG_WriteDeltaEntity( const entity_state_t *from, const entity_state_t *to, sizebuf_t *msg, qboolean force, int delta_type, double timebase, int baseline )
 {
 	delta_info_t	*dt = NULL;
 	delta_t		*pField;
@@ -1873,7 +2002,7 @@ If the delta removes the entity, entity_state_t->number will be set to MAX_EDICT
 Can go from either a baseline or a previous packet_entity
 ==================
 */
-qboolean MSG_ReadDeltaEntity( sizebuf_t *msg, entity_state_t *from, entity_state_t *to, int number, int delta_type, double timebase )
+qboolean MSG_ReadDeltaEntity( sizebuf_t *msg, const entity_state_t *from, entity_state_t *to, int number, int delta_type, double timebase )
 {
 #if !XASH_DEDICATED
 	delta_info_t	*dt = NULL;
@@ -1882,7 +2011,10 @@ qboolean MSG_ReadDeltaEntity( sizebuf_t *msg, entity_state_t *from, entity_state
 	int		baseline_offset = 0;
 
 	if( number < 0 || number >= clgame.maxEntities )
-		Host_Error( "%s: bad delta entity number: %i\n", __func__, number );
+	{
+		Con_Printf( S_ERROR "%s: bad delta entity number: %i\n", __func__, number );
+		return false;
+	}
 
 	fRemoveType = MSG_ReadUBitLong( msg, 2 );
 
@@ -1904,7 +2036,8 @@ qboolean MSG_ReadDeltaEntity( sizebuf_t *msg, entity_state_t *from, entity_state
 			return false;
 		}
 
-		Host_Error( "%s: unknown update type %i\n", __func__, fRemoveType );
+		Con_Printf( S_ERROR "%s: unknown update type %i\n", __func__, fRemoveType );
+		return false;
 	}
 
 	if( !cls.legacymode )
@@ -1952,7 +2085,11 @@ qboolean MSG_ReadDeltaEntity( sizebuf_t *msg, entity_state_t *from, entity_state
 		dt = Delta_FindStructByIndex( DT_ENTITY_STATE_T );
 	}
 
-	Assert( dt && dt->bInitialized );
+	if( !dt || !dt->bInitialized )
+	{
+		Con_Printf( S_ERROR "%s: broken delta\n", __func__ );
+		return true;
+	}
 
 	pField = dt->pFields;
 	Assert( pField != NULL );

engine/common/net_encode.h

@@ -33,6 +33,23 @@ enum
 	DELTA_STATIC,
 };
 
+enum
+{
+	DT_EVENT_T = 0,
+	DT_MOVEVARS_T,
+	DT_USERCMD_T,
+	DT_CLIENTDATA_T,
+	DT_WEAPONDATA_T,
+	DT_ENTITY_STATE_T,
+	DT_ENTITY_STATE_PLAYER_T,
+	DT_CUSTOM_ENTITY_STATE_T,
+	DT_GOLDSRC_DELTA_T,
+#if XASH_ENGINE_TESTS
+	DT_DELTA_TEST_STRUCT_T,
+#endif
+	DT_STRUCT_COUNT
+};
+
 // struct info (filled by engine)
 typedef struct
 {
@@ -54,6 +71,17 @@ struct delta_s
 	qboolean		bInactive;	// unsetted by user request
 };
 
+typedef struct goldsrc_delta_s
+{
+	int   fieldType;
+	char  fieldName[32];
+	int   fieldOffset;
+	short fieldSize;
+	int   significant_bits;
+	float premultiply;
+	float postmultiply;
+} goldsrc_delta_t;
+
 typedef void (*pfnDeltaEncode)( struct delta_s *pFields, const byte *from, const byte *to );
 
 typedef struct
@@ -76,6 +104,7 @@ typedef struct
 //
 void Delta_Init( void );
 void Delta_InitClient( void );
+void Delta_InitMeta( void );
 void Delta_Shutdown( void );
 void Delta_AddEncoder( char *name, pfnDeltaEncode encodeFunc );
 int Delta_FindField( delta_t *pFields, const char *fieldname );
@@ -87,6 +116,7 @@ void Delta_UnsetFieldByIndex( delta_t *pFields, int fieldNumber );
 // send table over network
 void Delta_WriteDescriptionToClient( sizebuf_t *msg );
 void Delta_ParseTableField( sizebuf_t *msg );
+void Delta_ParseTableField_GS( sizebuf_t *msg );
 
 
 // encode routines
@@ -96,18 +126,20 @@ struct event_args_s;
 struct movevars_s;
 struct clientdata_s;
 struct weapon_data_s;
-void MSG_WriteDeltaUsercmd( sizebuf_t *msg, struct usercmd_s *from, struct usercmd_s *to );
-void MSG_ReadDeltaUsercmd( sizebuf_t *msg, struct usercmd_s *from, struct usercmd_s *to );
-void MSG_WriteDeltaEvent( sizebuf_t *msg, struct event_args_s *from, struct event_args_s *to );
-void MSG_ReadDeltaEvent( sizebuf_t *msg, struct event_args_s *from, struct event_args_s *to );
-qboolean MSG_WriteDeltaMovevars( sizebuf_t *msg, struct movevars_s *from, struct movevars_s *to );
-void MSG_ReadDeltaMovevars( sizebuf_t *msg, struct movevars_s *from, struct movevars_s *to );
-void MSG_WriteClientData( sizebuf_t *msg, struct clientdata_s *from, struct clientdata_s *to, double timebase );
-void MSG_ReadClientData( sizebuf_t *msg, struct clientdata_s *from, struct clientdata_s *to, double timebase );
-void MSG_WriteWeaponData( sizebuf_t *msg, struct weapon_data_s *from, struct weapon_data_s *to, double timebase, int index );
-void MSG_ReadWeaponData( sizebuf_t *msg, struct weapon_data_s *from, struct weapon_data_s *to, double timebase );
-void MSG_WriteDeltaEntity( struct entity_state_s *from, struct entity_state_s *to, sizebuf_t *msg, qboolean force, int type, double timebase, int ofs );
-qboolean MSG_ReadDeltaEntity( sizebuf_t *msg, struct entity_state_s *from, struct entity_state_s *to, int num, int type, double timebase );
-int Delta_TestBaseline( struct entity_state_s *from, struct entity_state_s *to, qboolean player, double timebase );
+void MSG_WriteDeltaUsercmd( sizebuf_t *msg, const struct usercmd_s *from, const struct usercmd_s *to );
+void MSG_ReadDeltaUsercmd( sizebuf_t *msg, const struct usercmd_s *from, struct usercmd_s *to );
+void MSG_WriteDeltaEvent( sizebuf_t *msg, const struct event_args_s *from, const struct event_args_s *to );
+void MSG_ReadDeltaEvent( sizebuf_t *msg, const struct event_args_s *from, struct event_args_s *to );
+qboolean MSG_WriteDeltaMovevars( sizebuf_t *msg, const struct movevars_s *from, const struct movevars_s *to );
+void MSG_ReadDeltaMovevars( sizebuf_t *msg, const struct movevars_s *from, struct movevars_s *to );
+void MSG_WriteClientData( sizebuf_t *msg, const struct clientdata_s *from, const struct clientdata_s *to, double timebase );
+void MSG_ReadClientData( sizebuf_t *msg, const struct clientdata_s *from, struct clientdata_s *to, double timebase );
+void MSG_WriteWeaponData( sizebuf_t *msg, const struct weapon_data_s *from, const struct weapon_data_s *to, double timebase, int index );
+void MSG_ReadWeaponData( sizebuf_t *msg, const struct weapon_data_s *from, struct weapon_data_s *to, double timebase );
+void MSG_WriteDeltaEntity( const struct entity_state_s *from, const struct entity_state_s *to, sizebuf_t *msg, qboolean force, int type, double timebase, int ofs );
+qboolean MSG_ReadDeltaEntity( sizebuf_t *msg, const struct entity_state_s *from, struct entity_state_s *to, int num, int type, double timebase );
+int Delta_TestBaseline( const struct entity_state_s *from, const struct entity_state_s *to, qboolean player, double timebase );
+void Delta_ReadGSFields( sizebuf_t *msg, int index, void *from, void *to, double timebase );
+void Delta_WriteGSFields( sizebuf_t *msg, int index, void *from, void *to, double timebase );
 
 #endif//NET_ENCODE_H

engine/common/net_ws.c

@@ -18,16 +18,20 @@ GNU General Public License for more details.
 #include "netchan.h"
 #include "xash3d_mathlib.h"
 #include "ipv6text.h"
-#if XASH_WIN32
-#include "platform/win32/net.h"
-#elif defined XASH_NO_NETWORK
+
+#if XASH_NO_NETWORK
 #include "platform/stub/net_stub.h"
+#elif XASH_WIN32
+#include "platform/win32/net.h"
+#elif XASH_PSVITA
+#include "platform/psvita/net_psvita.h"
+static const struct in6_addr in6addr_any;
 #else
 #include "platform/posix/net.h"
 #endif
-#if XASH_PSVITA
-#include "platform/psvita/net_psvita.h"
-static const struct in6_addr in6addr_any;
+
+#if XASH_SDL == 2
+#include <SDL_thread.h>
 #endif
 
 #define NET_USE_FRAGMENTS
@@ -83,6 +87,13 @@ typedef struct
 	int		sequence_number;
 	short		packet_id;
 } SPLITPACKET;
+
+typedef struct
+{
+	int		net_id;
+	int		sequence_number;
+	unsigned char	packet_id;
+} SPLITPACKETGS;
 #pragma pack(pop)
 
 typedef struct
@@ -115,6 +126,7 @@ static CVAR_DEFINE( net_ipclientport, "ip_clientport", "0", FCVAR_READ_ONLY, "ne
 static CVAR_DEFINE( net_clientport, "clientport", "0", FCVAR_READ_ONLY, "network default client port" );
 static CVAR_DEFINE( net_fakelag, "fakelag", "0", FCVAR_PRIVILEGED, "lag all incoming network data (including loopback) by xxx ms." );
 static CVAR_DEFINE( net_fakeloss, "fakeloss", "0", FCVAR_PRIVILEGED, "act like we dropped the packet this % of the time." );
+static CVAR_DEFINE_AUTO( net_resolve_debug, "0", FCVAR_PRIVILEGED, "print resolve thread debug messages" );
 CVAR_DEFINE( net_clockwindow, "clockwindow", "0.5", FCVAR_PRIVILEGED, "timewindow to execute client moves" );
 
 netadr_t			net_local;
@@ -126,6 +138,8 @@ static CVAR_DEFINE( net_ip6hostport, "ip6_hostport", "0", FCVAR_READ_ONLY, "netw
 static CVAR_DEFINE( net_ip6clientport, "ip6_clientport", "0", FCVAR_READ_ONLY, "network ip6 client port" );
 static CVAR_DEFINE_AUTO( net6_address, "0", FCVAR_PRIVILEGED|FCVAR_READ_ONLY, "contain local IPv6 address of current client" );
 
+static void NET_ClearLagData( qboolean bClient, qboolean bServer );
+
 /*
 ====================
 NET_ErrorString
@@ -192,7 +206,7 @@ static char *NET_ErrorString( void )
 #endif
 }
 
-_inline socklen_t NET_SockAddrLen( const struct sockaddr_storage *addr )
+static inline socklen_t NET_SockAddrLen( const struct sockaddr_storage *addr )
 {
 	switch ( addr->ss_family )
 	{
@@ -205,7 +219,7 @@ _inline socklen_t NET_SockAddrLen( const struct sockaddr_storage *addr )
 	}
 }
 
-_inline qboolean NET_IsSocketError( int retval )
+static inline qboolean NET_IsSocketError( int retval )
 {
 #if XASH_WIN32 || XASH_DOS4GW
 	return retval == SOCKET_ERROR ? true : false;
@@ -214,7 +228,7 @@ _inline qboolean NET_IsSocketError( int retval )
 #endif
 }
 
-_inline qboolean NET_IsSocketValid( int socket )
+static inline qboolean NET_IsSocketValid( int socket )
 {
 #if XASH_WIN32 || XASH_DOS4GW
 	return socket != INVALID_SOCKET;
@@ -249,40 +263,27 @@ static void NET_NetadrToSockadr( netadr_t *a, struct sockaddr_storage *s )
 
 	if( a->type == NA_BROADCAST )
 	{
-		((struct sockaddr_in *)s)->sin_family = AF_INET;
+		s->ss_family = AF_INET;
 		((struct sockaddr_in *)s)->sin_port = a->port;
 		((struct sockaddr_in *)s)->sin_addr.s_addr = INADDR_BROADCAST;
 	}
 	else if( a->type == NA_IP )
 	{
-		((struct sockaddr_in *)s)->sin_family = AF_INET;
+		s->ss_family = AF_INET;
 		((struct sockaddr_in *)s)->sin_port = a->port;
 		((struct sockaddr_in *)s)->sin_addr.s_addr = a->ip4;
 	}
 	else if( a->type6 == NA_IP6 )
 	{
-		struct in6_addr ip6;
-
-		NET_NetadrToIP6Bytes( ip6.s6_addr, a );
-
-		if( IN6_IS_ADDR_V4MAPPED( &ip6 ))
-		{
-			((struct sockaddr_in *)s)->sin_family = AF_INET;
-			((struct sockaddr_in *)s)->sin_addr.s_addr = *(uint32_t *)(ip6.s6_addr + 12);
-			((struct sockaddr_in *)s)->sin_port = a->port;
-		}
-		else
-		{
-			((struct sockaddr_in6 *)s)->sin6_family = AF_INET6;
-			memcpy( &((struct sockaddr_in6 *)s)->sin6_addr, &ip6, sizeof( struct in6_addr ));
-			((struct sockaddr_in6 *)s)->sin6_port = a->port;
-		}
+		s->ss_family = AF_INET6;
+		((struct sockaddr_in6 *)s)->sin6_port = a->port;
+		NET_NetadrToIP6Bytes(((struct sockaddr_in6 *)s)->sin6_addr.s6_addr, a );
 	}
 	else if( a->type6 == NA_MULTICAST_IP6 )
 	{
-		((struct sockaddr_in6 *)s)->sin6_family = AF_INET6;
-		memcpy(((struct sockaddr_in6 *)s)->sin6_addr.s6_addr, k_ipv6Bytes_LinkLocalAllNodes, sizeof( struct in6_addr ));
+		s->ss_family = AF_INET6;
 		((struct sockaddr_in6 *)s)->sin6_port = a->port;
+		memcpy(((struct sockaddr_in6 *)s)->sin6_addr.s6_addr, k_ipv6Bytes_LinkLocalAllNodes, sizeof( struct in6_addr ));
 	}
 }
 
@@ -301,13 +302,8 @@ static void NET_SockadrToNetadr( const struct sockaddr_storage *s, netadr_t *a )
 	}
 	else if( s->ss_family == AF_INET6 )
 	{
+		a->type6 = NA_IP6;
 		NET_IP6BytesToNetadr( a, ((struct sockaddr_in6 *)s)->sin6_addr.s6_addr );
-
-		if( IN6_IS_ADDR_V4MAPPED( &((struct sockaddr_in6 *)s)->sin6_addr ))
-			a->type = NA_IP;
-		else
-			a->type6 = NA_IP6;
-
 		a->port = ((struct sockaddr_in6 *)s)->sin6_port;
 	}
 }
@@ -324,6 +320,11 @@ static qboolean NET_GetHostByName( const char *hostname, int family, struct sock
 	struct addrinfo hints;
 	qboolean ret = false;
 
+#if XASH_NO_IPV6_RESOLVE
+	if( family == AF_INET6 )
+		return false;
+#endif
+
 	memset( &hints, 0, sizeof( hints ));
 	hints.ai_family = family;
 
@@ -346,6 +347,12 @@ static qboolean NET_GetHostByName( const char *hostname, int family, struct sock
 	return ret;
 #else
 	struct hostent *h;
+
+#if XASH_NO_IPV6_RESOLVE
+	if( family == AF_INET6 )
+		return false;
+#endif
+
 	if(!( h = gethostbyname( hostname )))
 		return false;
 
@@ -363,27 +370,44 @@ static qboolean NET_GetHostByName( const char *hostname, int family, struct sock
 #ifdef CAN_ASYNC_NS_RESOLVE
 static void NET_ResolveThread( void );
 
-#if !XASH_WIN32
+#if XASH_SDL == 2
+#define mutex_create( x )    (( x ) = SDL_CreateMutex() )
+#define mutex_destroy( x )   SDL_DestroyMutex(( x ))
+#define mutex_lock( x )      SDL_LockMutex(( x ))
+#define mutex_unlock( x )    SDL_UnlockMutex(( x ))
+#define create_thread( thread, pfn ) (( thread ) = SDL_CreateThread(( pfn ), "DNS resolver thread", NULL ))
+#define detach_thread( x )   SDL_DetachThread(( x ))
+typedef SDL_mutex *mutex_t;
+typedef SDL_Thread *thread_t;
+static int NET_ThreadStart( void *ununsed )
+{
+	NET_ResolveThread();
+	return 0;
+}
+#elif !XASH_WIN32
 #include <pthread.h>
-#define mutex_lock pthread_mutex_lock
-#define mutex_unlock pthread_mutex_unlock
-#define exit_thread( x ) pthread_exit(x)
-#define create_thread( pfn ) !pthread_create( &nsthread.thread, NULL, (pfn), NULL )
-#define detach_thread( x ) pthread_detach(x)
-#define mutex_t  pthread_mutex_t
-#define thread_t pthread_t
+#define mutex_create( x )     pthread_mutex_init( &( x ), NULL )
+#define mutex_destroy( x )    pthread_mutex_destroy( &( x ))
+#define mutex_lock( x )       pthread_mutex_lock( &( x ))
+#define mutex_unlock( x )     pthread_mutex_unlock( &( x ))
+#define create_thread( thread, pfn ) !pthread_create( &( thread ), NULL, ( pfn ), NULL )
+#define detach_thread( x )    pthread_detach( x )
+typedef pthread_mutex_t mutex_t;
+typedef pthread_t thread_t;
 static void *NET_ThreadStart( void *unused )
 {
 	NET_ResolveThread();
 	return NULL;
 }
 #else // WIN32
-#define mutex_lock EnterCriticalSection
-#define mutex_unlock LeaveCriticalSection
-#define detach_thread( x ) CloseHandle(x)
-#define create_thread( pfn ) ( nsthread.thread = CreateThread( NULL, 0, pfn, NULL, 0, NULL ))
-#define mutex_t  CRITICAL_SECTION
-#define thread_t HANDLE
+#define mutex_create( x )   InitializeCriticalSection( &( x ))
+#define mutex_destroy( x )  DeleteCriticalSection( &( x ))
+#define mutex_lock( x )     EnterCriticalSection( &( x ))
+#define mutex_unlock( x )   LeaveCriticalSection( &( x ))
+#define create_thread( thread, pfn ) (( thread ) = CreateThread( NULL, 0, ( pfn ), NULL, 0, NULL ))
+#define detach_thread( x )   CloseHandle(( x ))
+typedef CRITICAL_SECTION mutex_t;
+typedef HANDLE thread_t;
 DWORD WINAPI NET_ThreadStart( LPVOID unused )
 {
 	NET_ResolveThread();
@@ -392,38 +416,42 @@ DWORD WINAPI NET_ThreadStart( LPVOID unused )
 }
 #endif // !_WIN32
 
-#ifdef DEBUG_RESOLVE
-#define RESOLVE_DBG(x) Sys_PrintLog(x)
-#else
-#define RESOLVE_DBG(x)
-#endif //  DEBUG_RESOLVE
+#define RESOLVE_DBG( x ) do { if( net_resolve_debug.value ) Sys_PrintLog(( x )); } while( 0 )
 
 static struct nsthread_s
 {
-	mutex_t mutexns;
-	mutex_t mutexres;
+	mutex_t  mutexns;
+	mutex_t  mutexres;
 	thread_t thread;
-	int     result;
-	string  hostname;
-	int     family;
+	int      result;
+	string   hostname;
+	int      family;
 	struct sockaddr_storage addr;
 	qboolean busy;
-} nsthread
-#if !XASH_WIN32
-= { PTHREAD_MUTEX_INITIALIZER, PTHREAD_MUTEX_INITIALIZER }
-#endif
-;
+} nsthread;
 
 static void NET_InitializeCriticalSections( void )
 {
 	net.threads_initialized = true;
-#if XASH_WIN32
-	InitializeCriticalSection( &nsthread.mutexns );
-	InitializeCriticalSection( &nsthread.mutexres );
-#endif
+
+	mutex_create( nsthread.mutexns );
+	mutex_create( nsthread.mutexres );
 }
 
-void NET_ResolveThread( void )
+static void NET_DeleteCriticalSections( void )
+{
+	if( net.threads_initialized )
+	{
+		mutex_destroy( nsthread.mutexns );
+		mutex_destroy( nsthread.mutexres );
+
+		net.threads_initialized = false;
+	}
+
+	memset( &nsthread, 0, sizeof( nsthread ));
+}
+
+static void NET_ResolveThread( void )
 {
 	struct sockaddr_storage addr;
 	qboolean res;
@@ -440,12 +468,12 @@ void NET_ResolveThread( void )
 		RESOLVE_DBG( "[resolve thread] success\n" );
 	else
 		RESOLVE_DBG( "[resolve thread] failed\n" );
-	mutex_lock( &nsthread.mutexres );
+	mutex_lock( nsthread.mutexres );
 	nsthread.addr = addr;
 	nsthread.busy = false;
 	nsthread.result = res ? NET_EAI_OK : NET_EAI_NONAME;
 	RESOLVE_DBG( "[resolve thread] returning result\n" );
-	mutex_unlock( &nsthread.mutexres );
+	mutex_unlock( nsthread.mutexres );
 	RESOLVE_DBG( "[resolve thread] exiting thread\n" );
 }
 #endif // CAN_ASYNC_NS_RESOLVE
@@ -510,11 +538,11 @@ static net_gai_state_t NET_StringToSockaddr( const char *s, struct sockaddr_stor
 #ifdef CAN_ASYNC_NS_RESOLVE
 		if( net.threads_initialized && nonblocking )
 		{
-			mutex_lock( &nsthread.mutexres );
+			mutex_lock( nsthread.mutexres );
 
 			if( nsthread.busy )
 			{
-				mutex_unlock( &nsthread.mutexres );
+				mutex_unlock( nsthread.mutexres );
 				return NET_EAI_AGAIN;
 			}
 
@@ -535,28 +563,24 @@ static net_gai_state_t NET_StringToSockaddr( const char *s, struct sockaddr_stor
 				Q_strncpy( nsthread.hostname, copy, sizeof( nsthread.hostname ));
 				nsthread.family = family;
 				nsthread.busy = true;
-				mutex_unlock( &nsthread.mutexres );
+				mutex_unlock( nsthread.mutexres );
 
-				if( create_thread( NET_ThreadStart ))
+				if( create_thread( nsthread.thread, NET_ThreadStart ))
 				{
 					asyncfailed = false;
 					return NET_EAI_AGAIN;
 				}
-				else // failed to create thread
-				{
-					Con_Reportf( S_ERROR "%s: failed to create thread!\n", __func__ );
-					nsthread.busy = false;
-				}
+
+				Con_Reportf( S_ERROR "%s: failed to create thread!\n", __func__ );
+				nsthread.busy = false;
 			}
 
-			mutex_unlock( &nsthread.mutexres );
+			mutex_unlock( nsthread.mutexres );
 		}
 #endif // CAN_ASYNC_NS_RESOLVE
 
 		if( asyncfailed )
-		{
 			ret = NET_GetHostByName( copy, family, &temp );
-		}
 
 		if( !ret )
 		{
@@ -570,16 +594,9 @@ static net_gai_state_t NET_StringToSockaddr( const char *s, struct sockaddr_stor
 		sadr->ss_family = temp.ss_family;
 
 		if( temp.ss_family == AF_INET )
-		{
-			((struct sockaddr_in *)sadr)->sin_addr =
-				((struct sockaddr_in*)&temp)->sin_addr;
-		}
+			((struct sockaddr_in *)sadr)->sin_addr = ((struct sockaddr_in*)&temp)->sin_addr;
 		else if( temp.ss_family == AF_INET6 )
-		{
-			memcpy(&((struct sockaddr_in6 *)sadr)->sin6_addr,
-				&((struct sockaddr_in6*)&temp)->sin6_addr,
-				sizeof( struct in6_addr ));
-		}
+			((struct sockaddr_in6 *)sadr)->sin6_addr = ((struct sockaddr_in6*)&temp)->sin6_addr;
 	}
 
 	return NET_EAI_OK;
@@ -1042,19 +1059,20 @@ qboolean NET_StringToAdr( const char *string, netadr_t *adr )
 	return NET_StringToAdrEx( string, adr, AF_UNSPEC );
 }
 
-net_gai_state_t NET_StringToAdrNB( const char *string, netadr_t *adr )
+net_gai_state_t NET_StringToAdrNB( const char *string, netadr_t *adr, qboolean v6only )
 {
 	struct sockaddr_storage s;
 	net_gai_state_t res;
 
 	memset( adr, 0, sizeof( netadr_t ));
+
 	if( !Q_stricmp( string, "localhost" ) || !Q_stricmp( string, "loopback" ))
 	{
 		adr->type = NA_LOOPBACK;
 		return NET_EAI_OK;
 	}
 
-	res = NET_StringToSockaddr( string, &s, true, AF_UNSPEC );
+	res = NET_StringToSockaddr( string, &s, true, v6only ? AF_INET6 : AF_UNSPEC );
 
 	if( res == NET_EAI_OK )
 		NET_SockadrToNetadr( &s, adr );
@@ -1339,28 +1357,42 @@ NET_GetLong
 receive long packet from network
 ==================
 */
-static qboolean NET_GetLong( byte *pData, int size, size_t *outSize, int splitsize )
+static qboolean NET_GetLong( byte *pData, int size, size_t *outSize, int splitsize, connprotocol_t proto )
 {
 	int		i, sequence_number, offset;
-	SPLITPACKET	*pHeader = (SPLITPACKET *)pData;
 	int		packet_number;
 	int		packet_count;
 	short		packet_id;
-	int body_size = splitsize - sizeof( SPLITPACKET );
+	size_t header_size = proto == PROTO_GOLDSRC ? sizeof( SPLITPACKETGS ) : sizeof( SPLITPACKET );
+	int body_size = splitsize - header_size;
 
 	if( body_size < 0 )
 		return false;
 
-	if( size < sizeof( SPLITPACKET ))
+	if( size < header_size )
 	{
 		Con_Printf( S_ERROR "invalid split packet length %i\n", size );
 		return false;
 	}
 
-	sequence_number = pHeader->sequence_number;
-	packet_id = pHeader->packet_id;
-	packet_count = ( packet_id & 0xFF );
-	packet_number = ( packet_id >> 8 );
+	if( proto == PROTO_GOLDSRC )
+	{
+		SPLITPACKETGS *pHeader = (SPLITPACKETGS *)pData;
+
+		sequence_number = pHeader->sequence_number;
+		packet_id = pHeader->packet_id;
+		packet_count = ( packet_id & 0xF );
+		packet_number = ( packet_id >> 4 );
+	}
+	else
+	{
+		SPLITPACKET *pHeader = (SPLITPACKET *)pData;
+
+		sequence_number = pHeader->sequence_number;
+		packet_id = pHeader->packet_id;
+		packet_count = ( packet_id & 0xFF );
+		packet_number = ( packet_id >> 8 );
+	}
 
 	if( packet_number >= NET_MAX_FRAGMENTS || packet_count > NET_MAX_FRAGMENTS )
 	{
@@ -1382,7 +1414,7 @@ static qboolean NET_GetLong( byte *pData, int size, size_t *outSize, int splitsi
 			Con_Printf( "<-- Split packet restart %i count %i seq\n", net.split.split_count, sequence_number );
 	}
 
-	size -= sizeof( SPLITPACKET );
+	size -= header_size;
 
 	if( net.split_flags[packet_number] != sequence_number )
 	{
@@ -1401,7 +1433,7 @@ static qboolean NET_GetLong( byte *pData, int size, size_t *outSize, int splitsi
 	}
 
 	offset = (packet_number * body_size);
-	memcpy( net.split.buffer + offset, pData + sizeof( SPLITPACKET ), size );
+	memcpy( net.split.buffer + offset, pData + header_size, size );
 
 	// have we received all of the pieces to the packet?
 	if( net.split.split_count <= 0 )
@@ -1464,13 +1496,15 @@ static qboolean NET_QueuePacket( netsrc_t sock, netadr_t *from, byte *data, size
 				memcpy( data, buf, ret );
 				*length = ret;
 #if !XASH_DEDICATED
-				if( CL_LegacyMode( ))
-					return NET_LagPacket( true, sock, from, length, data );
-
-				// check for split message
-				if( sock == NS_CLIENT && *(int *)data == NET_HEADER_SPLITPACKET )
 				{
-					return NET_GetLong( data, ret, length, CL_GetSplitSize( ));
+					connprotocol_t proto = CL_Protocol();
+
+					if( proto == PROTO_LEGACY )
+						return NET_LagPacket( true, sock, from, length, data );
+
+					// check for split message
+					if( sock == NS_CLIENT && *(int *)data == NET_HEADER_SPLITPACKET )
+						return NET_GetLong( data, ret, length, CL_GetSplitSize( ), proto );
 				}
 #endif
 				// lag the packet, if needed
@@ -1735,7 +1769,7 @@ static int NET_IPSocket( const char *net_iface, int port, int family )
 
 		if( COM_CheckStringEmpty( net_iface ) && Q_stricmp( net_iface, "localhost" ))
 			NET_StringToSockaddr( net_iface, &addr, false, AF_INET6 );
-		else memcpy(((struct sockaddr_in6 *)&addr)->sin6_addr.s6_addr, &in6addr_any, sizeof( struct in6_addr ));
+		else ((struct sockaddr_in6 *)&addr)->sin6_addr = in6addr_any;
 
 		if( port == PORT_ANY ) ((struct sockaddr_in6 *)&addr)->sin6_port = 0;
 		else ((struct sockaddr_in6 *)&addr)->sin6_port = htons((short)port);
@@ -2068,7 +2102,7 @@ NET_ClearLagData
 clear fakelag list
 ====================
 */
-void NET_ClearLagData( qboolean bClient, qboolean bServer )
+static void NET_ClearLagData( qboolean bClient, qboolean bServer )
 {
 	if( bClient ) NET_ClearLaggedList( &net.lagdata[NS_CLIENT] );
 	if( bServer ) NET_ClearLaggedList( &net.lagdata[NS_SERVER] );
@@ -2094,6 +2128,7 @@ void NET_Init( void )
 	Cvar_RegisterVariable( &net_clientport );
 	Cvar_RegisterVariable( &net_fakelag );
 	Cvar_RegisterVariable( &net_fakeloss );
+	Cvar_RegisterVariable( &net_resolve_debug );
 
 	Q_snprintf( cmd, sizeof( cmd ), "%i", PORT_SERVER );
 	Cvar_FullSet( "hostport", cmd, FCVAR_READ_ONLY );
@@ -2167,6 +2202,11 @@ void NET_Shutdown( void )
 	NET_ClearLagData( true, true );
 
 	NET_Config( false, false );
+
+#ifdef CAN_ASYNC_NS_RESOLVE
+	NET_DeleteCriticalSections();
+#endif
+
 #if XASH_WIN32
 	WSACleanup();
 #endif

engine/common/net_ws.h

@@ -66,7 +66,7 @@ qboolean NET_IsReservedAdr( netadr_t a );
 qboolean NET_CompareClassBAdr( const netadr_t a, const netadr_t b );
 qboolean NET_StringToAdr( const char *string, netadr_t *adr );
 qboolean NET_StringToFilterAdr( const char *s, netadr_t *adr, uint *prefixlen );
-net_gai_state_t NET_StringToAdrNB( const char *string, netadr_t *adr );
+net_gai_state_t NET_StringToAdrNB( const char *string, netadr_t *adr, qboolean v6only );
 int NET_CompareAdrSort( const void *_a, const void *_b );
 qboolean NET_CompareAdr( const netadr_t a, const netadr_t b );
 qboolean NET_CompareBaseAdr( const netadr_t a, const netadr_t b );
@@ -74,12 +74,10 @@ qboolean NET_CompareAdrByMask( const netadr_t a, const netadr_t b, uint prefixle
 qboolean NET_GetPacket( netsrc_t sock, netadr_t *from, byte *data, size_t *length );
 void NET_SendPacket( netsrc_t sock, size_t length, const void *data, netadr_t to );
 void NET_SendPacketEx( netsrc_t sock, size_t length, const void *data, netadr_t to, size_t splitsize );
-void NET_ClearLagData( qboolean bClient, qboolean bServer );
 void NET_IP6BytesToNetadr( netadr_t *adr, const uint8_t *ip6 );
 void NET_NetadrToIP6Bytes( uint8_t *ip6, const netadr_t *adr );
 
 #if !XASH_DEDICATED
-qboolean CL_LegacyMode( void );
 int CL_GetSplitSize( void );
 #endif
 

engine/common/netchan.h

@@ -208,6 +208,14 @@ typedef enum fragsize_e
 	FRAGSIZE_UNRELIABLE
 } fragsize_t;
 
+typedef enum netchan_flags_e
+{
+	NETCHAN_USE_LEGACY_SPLIT = BIT( 0 ),
+	NETCHAN_USE_MUNGE = BIT( 1 ),
+	NETCHAN_USE_BZIP2 = BIT( 2 ),
+	NETCHAN_GOLDSRC = BIT( 3 ),
+} netchan_flags_t;
+
 // Network Connection Channel
 typedef struct netchan_s
 {
@@ -270,10 +278,14 @@ typedef struct netchan_s
 	// added for net_speeds
 	size_t		total_sended;
 	size_t		total_received;
-	qboolean	split;
 	unsigned int	maxpacket;
 	unsigned int	splitid;
-	netsplit_t netsplit;
+	netsplit_t	netsplit;
+
+	qboolean	split;
+	qboolean	use_munge;
+	qboolean	use_bz2;
+	qboolean	gs_netchan;
 } netchan_t;
 
 extern netadr_t		net_from;
@@ -287,7 +299,7 @@ extern int		net_drop;
 
 void Netchan_Init( void );
 void Netchan_Shutdown( void );
-void Netchan_Setup( netsrc_t sock, netchan_t *chan, netadr_t adr, int qport, void *client, int (*pfnBlockSize)(void *, fragsize_t mode ) );
+void Netchan_Setup( netsrc_t sock, netchan_t *chan, netadr_t adr, int qport, void *client, int (*pfnBlockSize)(void *, fragsize_t mode ), uint flags );
 void Netchan_CreateFileFragmentsFromBuffer( netchan_t *chan, const char *filename, byte *pbuf, int size );
 qboolean Netchan_CopyNormalFragments( netchan_t *chan, sizebuf_t *msg, size_t *length );
 qboolean Netchan_CopyFileFragments( netchan_t *chan, sizebuf_t *msg );

engine/common/protocol.h

@@ -73,7 +73,7 @@ GNU General Public License for more details.
 #define svc_director		51	// <variable sized>
 #define svc_voiceinit		52	// <see code>
 #define svc_voicedata		53	// [byte][short][...]
-#define svc_deltapacketbones		54	// [short][byte][...]
+// reserved
 // reserved
 #define svc_resourcelocation		56	// [string]
 #define svc_querycvarvalue		57	// [string]
@@ -320,8 +320,7 @@ extern const char	*clc_strings[clc_lastmsg+1];
 #define MS_SCAN_REQUEST "1\xFF" "0.0.0.0:0\0" // TODO: implement IP filter
 
 // GoldSrc protocol definitions
-#define PROTOCOL_GOLDSRC_VERSION_REAL 48
-#define PROTOCOL_GOLDSRC_VERSION (PROTOCOL_GOLDSRC_VERSION_REAL | (BIT( 7 ))) // should be 48, only to differentiate it from PROTOCOL_LEGACY_VERSION
+#define PROTOCOL_GOLDSRC_VERSION 48
 
 #define svc_goldsrc_version           svc_changing
 #define svc_goldsrc_serverinfo        svc_serverdata
@@ -349,6 +348,7 @@ extern const char	*clc_strings[clc_lastmsg+1];
 #define S2C_CHALLENGE          "A00000000"
 #define S2C_CONNECTION         "B"
 
+#define MAX_GOLDSRC_MODEL_BITS    10
 #define MAX_GOLDSRC_RESOURCE_BITS 12
 #define MAX_GOLDSRC_ENTITY_BITS   11
 // #define MAX_GOLDSRC_EDICTS        BIT( MAX_ENTITY_BITS )

engine/common/soundlib/snd_main.c

@@ -30,7 +30,7 @@ static void Sound_Reset( void )
 	sound.size = 0;
 }
 
-static wavdata_t *SoundPack( void )
+static MALLOC_LIKE( FS_FreeSound, 1 ) wavdata_t *SoundPack( void )
 {
 	wavdata_t	*pack = Mem_Calloc( host.soundpool, sizeof( wavdata_t ));
 

engine/common/sys_con.c

@@ -230,13 +230,20 @@ static void Sys_PrintLogfile( const int fd, const char *logtime, const char *msg
 
 		if( p == NULL )
 		{
-			write( fd, msg, Q_strlen( msg ));
+			if( write( fd, msg, Q_strlen( msg )) < 0 )
+			{
+				// don't call engine Msg, might cause recursion
+				fprintf( stderr, "%s: write failed: %s\n", __func__, strerror( errno ));
+			}
 			break;
 		}
 		else if( IsColorString( p ))
 		{
 			if( p != msg )
-				write( fd, msg, p - msg );
+			{
+				if( write( fd, msg, p - msg ) < 0 )
+					fprintf( stderr, "%s: write failed: %s\n", __func__, strerror( errno ));
+			}
 			msg = p + 2;
 
 			if( colorize )
@@ -244,7 +251,8 @@ static void Sys_PrintLogfile( const int fd, const char *logtime, const char *msg
 		}
 		else
 		{
-			write( fd, msg, p - msg + 1 );
+			if( write( fd, msg, p - msg + 1 ) < 0 )
+				fprintf( stderr, "%s: write failed: %s\n", __func__, strerror( errno ));
 			msg = p + 1;
 		}
 	}

engine/common/tests.h

@@ -49,7 +49,8 @@ void Test_RunBuffer( void );
 	Test_RunCvar(); \
 	Test_RunIPFilter(); \
 	Test_RunBuffer(); \
-	Test_RunDelta();
+	Test_RunDelta(); \
+	Test_RunMunge();
 
 #define TEST_LIST_0_CLIENT \
 	Test_RunCon(); \

engine/eiface.h

@@ -125,7 +125,7 @@ typedef struct enginefuncs_s
 	void	(*pfnAngleVectors)( const float *rgflVector, float *forward, float *right, float *up );
 	edict_t*	(*pfnCreateEntity)( void );
 	void	(*pfnRemoveEntity)( edict_t* e );
-	edict_t*	(*pfnCreateNamedEntity)( string_t className );
+	edict_t*	(*pfnCreateNamedEntity)( int className );
 	void	(*pfnMakeStatic)( edict_t *ent );
 	int	(*pfnEntIsOnFloor)( edict_t *e );
 	int	(*pfnDropToFloor)( edict_t* e );
@@ -168,8 +168,8 @@ typedef struct enginefuncs_s
 	void*	(*pfnPvAllocEntPrivateData)( edict_t *pEdict, long cb );
 	void*	(*pfnPvEntPrivateData)( edict_t *pEdict );
 	void	(*pfnFreeEntPrivateData)( edict_t *pEdict );
-	const char *(*pfnSzFromIndex)( string_t iString );
-	string_t	(*pfnAllocString)( const char *szValue );
+	const char *(*pfnSzFromIndex)( int iString );
+	int	(*pfnAllocString)( const char *szValue );
 	struct entvars_s *(*pfnGetVarsOfEnt)( edict_t *pEdict );
 	edict_t*	(*pfnPEntityOfEntOffset)( int iEntOffset );
 	int	(*pfnEntOffsetOfPEntity)( const edict_t *pEdict );

engine/platform/psvita/net_psvita.h

@@ -18,8 +18,10 @@ GNU General Public License for more details.
 #define NET_PSVITA_H
 
 #include <vitasdk.h>
+#include "platform/posix/net.h"
 
 /* we're missing IPv6 support; define some trash */
+#define XASH_NO_IPV6_RESOLVE 1
 
 #ifndef IN6_IS_ADDR_V4MAPPED
 #define IN6_IS_ADDR_V4MAPPED( p ) ( 0 )

engine/progdefs.h

@@ -85,8 +85,8 @@ typedef struct entvars_s
 	int		modelindex;
 
 	string_t		model;
-	string_t		viewmodel;	// player's viewmodel
-	string_t		weaponmodel;	// what other players see
+	int		viewmodel;	// player's viewmodel
+	int		weaponmodel;	// what other players see
 
 	vec3_t		absmin;		// BB max translated to world coord
 	vec3_t		absmax;		// BB max translated to world coord
@@ -144,7 +144,7 @@ typedef struct entvars_s
 	int		flags;
 
 	int		colormap;		// lowbyte topcolor, highbyte bottomcolor
-	string_t		team;
+	int		team;
 
 	float		max_health;
 	float		teleport_time;

engine/ref_api.h

@@ -389,10 +389,13 @@ typedef struct ref_api_s
 	int	(*pfnGetStudioModelInterface)( int version, struct r_studio_interface_s **ppinterface, struct engine_studio_api_s *pstudio );
 
 	// memory
-	poolhandle_t (*_Mem_AllocPool)( const char *name, const char *filename, int fileline );
+	poolhandle_t (*_Mem_AllocPool)( const char *name, const char *filename, int fileline )
+		WARN_UNUSED_RESULT;
 	void  (*_Mem_FreePool)( poolhandle_t *poolptr, const char *filename, int fileline );
-	void *(*_Mem_Alloc)( poolhandle_t poolptr, size_t size, qboolean clear, const char *filename, int fileline ) ALLOC_CHECK( 2 );
-	void *(*_Mem_Realloc)( poolhandle_t poolptr, void *memptr, size_t size, qboolean clear, const char *filename, int fileline ) ALLOC_CHECK( 3 );
+	void *(*_Mem_Alloc)( poolhandle_t poolptr, size_t size, qboolean clear, const char *filename, int fileline )
+		ALLOC_CHECK( 2 ) WARN_UNUSED_RESULT;
+	void *(*_Mem_Realloc)( poolhandle_t poolptr, void *memptr, size_t size, qboolean clear, const char *filename, int fileline )
+		ALLOC_CHECK( 3 ) WARN_UNUSED_RESULT;
 	void  (*_Mem_Free)( void *data, const char *filename, int fileline );
 
 	// library management

engine/server/sv_client.c

@@ -444,7 +444,7 @@ static void SV_ConnectClient( netadr_t from )
 	newcl->listeners = -1;
 
 	// initailize netchan
-	Netchan_Setup( NS_SERVER, &newcl->netchan, from, qport, newcl, SV_GetFragmentSize );
+	Netchan_Setup( NS_SERVER, &newcl->netchan, from, qport, newcl, SV_GetFragmentSize, 0 );
 	MSG_Init( &newcl->datagram, "Datagram", newcl->datagram_buf, sizeof( newcl->datagram_buf )); // datagram buf
 
 	Q_strncpy( newcl->hashedcdkey, Info_ValueForKey( protinfo, "uuid" ), 32 );

engine/server/sv_game.c

@@ -643,12 +643,16 @@ Write ambient sounds into demo
 */
 void SV_RestartAmbientSounds( void )
 {
+	// TODO: we don't know sounds state on remote server
+	// as it's used only for demos, maybe this could be implemented on client side?
+#if !XASH_DEDICATED
 	soundlist_t	soundInfo[256];
 	string		curtrack, looptrack;
 	int		i, nSounds;
 	int		position;
 
-	if( !SV_Active( )) return;
+	if( !SV_Active( ) || Host_IsDedicated( ))
+		return;
 
 	nSounds = S_GetCurrentStaticSounds( soundInfo, 256 );
 
@@ -663,13 +667,12 @@ void SV_RestartAmbientSounds( void )
 		SV_StartSound( SV_PEntityOfEntIndex( si->entnum, true ), CHAN_STATIC, si->name, si->volume, si->attenuation, 0, si->pitch );
 	}
 
-#if !XASH_DEDICATED // TODO: ???
 	// restart soundtrack
 	if( S_StreamGetCurrentState( curtrack, sizeof( curtrack ), looptrack, sizeof( looptrack ), &position ))
 	{
 		SV_StartMusic( curtrack, looptrack, position );
 	}
-#endif
+#endif // !XASH_DEDICATED
 }
 
 /*
@@ -681,31 +684,25 @@ Write all the decals into demo
 */
 void SV_RestartDecals( void )
 {
+	// TODO: similar to SV_RestartAmbientSounds, this is only used for demo recording
+	// and better be reimplemented on client side
+#if !XASH_DEDICATED
 	decallist_t	*list;
 	int		decalIndex;
 	int		modelIndex;
 	sizebuf_t		*msg;
 	int		i, numdecals;
 
-	if( !SV_Active( )) return;
+	if( !SV_Active( ) || Host_IsDedicated( ))
+		return;
 
 	// g-cont. add space for studiodecals if present
 	list = (decallist_t *)Z_Calloc( sizeof( decallist_t ) * MAX_RENDER_DECALS * 2 );
 
-#if !XASH_DEDICATED
-	if( !Host_IsDedicated() )
-	{
-		numdecals = ref.dllFuncs.R_CreateDecalList( list );
+	numdecals = ref.dllFuncs.R_CreateDecalList( list );
 
-		// remove decals from map
-		ref.dllFuncs.R_ClearAllDecals();
-	}
-	else
-#endif // XASH_DEDICATED
-	{
-		// we probably running a dedicated server
-		numdecals = 0;
-	}
+	// remove decals from map
+	ref.dllFuncs.R_ClearAllDecals();
 
 	// write decals into reliable datagram
 	msg = SV_GetReliableDatagram();
@@ -728,6 +725,7 @@ void SV_RestartDecals( void )
 	}
 
 	Z_Free( list );
+#endif // !XASH_DEDICATED
 }
 
 /*
@@ -3000,6 +2998,25 @@ static void *GAME_EXPORT pfnPvEntPrivateData( edict_t *pEdict )
 }
 
 
+#ifdef XASH_64BIT
+static struct str64_s
+{
+	size_t maxstringarray;
+	qboolean allowdup;
+	char *staticstringarray;
+	char *pstringarray;
+	char *pstringarraystatic;
+	char *pstringbase;
+	char *poldstringbase;
+	char *plast;
+	qboolean dynamic;
+	size_t maxalloc;
+	size_t numdups;
+	size_t numoverflows;
+	size_t totalalloc;
+} str64;
+#endif
+
 /*
 ==================
 SV_EmptyStringPool
@@ -3009,7 +3026,17 @@ Free strings on server stop. Reset string pointer on 64 bits
 */
 void SV_EmptyStringPool( void )
 {
+#ifdef XASH_64BIT
+	if( str64.dynamic ) // switch only after array fill (more space for multiplayer games)
+		str64.pstringbase = str64.pstringarray;
+	else
+	{
+		str64.pstringbase = str64.poldstringbase = str64.pstringarraystatic;
+		str64.plast = str64.pstringbase + 1;
+	}
+#else
 	Mem_EmptyPool( svgame.stringspool );
+#endif
 }
 
 /*
@@ -3023,8 +3050,23 @@ this helps not to lose strings that belongs to static game part
 */
 void SV_SetStringArrayMode( qboolean dynamic )
 {
+#ifdef XASH_64BIT
+	Con_Reportf( "%s(%d) %d\n", __func__, dynamic, str64.dynamic );
+
+	if( dynamic == str64.dynamic )
+		return;
+
+	str64.dynamic = dynamic;
+
+	SV_EmptyStringPool();
+#endif
 }
 
+#if XASH_AMD64 && XASH_LINUX && !XASH_ANDROID
+#define USE_MMAP
+#include <sys/mman.h>
+#endif
+
 /*
 ==================
 SV_AllocStringPool
@@ -3037,13 +3079,104 @@ this case need patched game dll with MAKE_STRING checking ptrdiff size
 */
 static void SV_AllocStringPool( void )
 {
+#ifdef XASH_64BIT
+	void *ptr = NULL;
+	string lenstr;
+
+	Con_Reportf( "%s()\n", __func__ );
+	if( Sys_GetParmFromCmdLine( "-str64alloc", lenstr ) )
+	{
+		str64.maxstringarray = Q_atoi( lenstr );
+		if( str64.maxstringarray < 1024 || str64.maxstringarray >= INT_MAX )
+			str64.maxstringarray = 65536;
+	}
+	else str64.maxstringarray = 65536;
+	if( Sys_CheckParm( "-str64dup" ) )
+		str64.allowdup = true;
+
+#ifdef USE_MMAP
+	{
+		uint flags;
+		size_t pagesize = sysconf( _SC_PAGESIZE );
+		int arrlen = (str64.maxstringarray * 2) & ~(pagesize - 1);
+		void *base = svgame.dllFuncs.pfnGameInit;
+		void *start = svgame.hInstance - arrlen;
+
+#if defined(MAP_ANON)
+		flags = MAP_ANON | MAP_PRIVATE;
+#elif defined(MAP_ANONYMOUS)
+		flags = MAP_ANONYMOUS | MAP_PRIVATE;
+#endif
+
+		while( start - base > INT_MIN )
+		{
+			void *mapptr = mmap((void*)((unsigned long)start & ~(pagesize - 1)), arrlen, PROT_READ | PROT_WRITE, flags, 0, 0 );
+			if( mapptr && mapptr != (void*)-1 && mapptr - base > INT_MIN && mapptr - base < INT_MAX )
+			{
+				ptr = mapptr;
+				break;
+			}
+			if( mapptr ) munmap( mapptr, arrlen );
+			start -= arrlen;
+		}
+
+		if( !ptr )
+		{
+			start = base;
+			while( start - base < INT_MAX )
+			{
+				void *mapptr = mmap((void*)((unsigned long)start & ~(pagesize - 1)), arrlen, PROT_READ | PROT_WRITE, flags, 0, 0 );
+				if( mapptr && mapptr != (void*)-1  && mapptr - base > INT_MIN && mapptr - base < INT_MAX )
+				{
+					ptr = mapptr;
+					break;
+				}
+				if( mapptr ) munmap( mapptr, arrlen );
+				start += arrlen;
+			}
+		}
+
+
+		if( ptr )
+		{
+			Con_Reportf( "%s: Allocated string array near the server library: %p %p\n", __func__, base, ptr );
+
+		}
+		else
+		{
+			Con_Reportf( "%s: Failed to allocate string array near the server library!\n", __func__ );
+			ptr = str64.staticstringarray = Mem_Calloc( host.mempool, str64.maxstringarray * 2 );
+		}
+	}
+#else
+	ptr = str64.staticstringarray = Mem_Calloc( host.mempool, str64.maxstringarray * 2 );
+#endif
+
+	str64.pstringarray = ptr;
+	str64.pstringarraystatic = (byte*)ptr + str64.maxstringarray;
+	str64.pstringbase = str64.poldstringbase = ptr;
+	str64.plast = (byte*)ptr + 1;
+	svgame.globals->pStringBase = ptr;
+#else
 	svgame.stringspool = Mem_AllocPool( "Server Strings" );
 	svgame.globals->pStringBase = "";
+#endif
 }
 
 static void SV_FreeStringPool( void )
 {
+#ifdef XASH_64BIT
+	Con_Reportf( "%s()\n", __func__ );
+
+#ifdef USE_MMAP
+	if( str64.pstringarray != str64.staticstringarray )
+		munmap( str64.pstringarray, (str64.maxstringarray * 2) & ~(sysconf( _SC_PAGESIZE ) - 1) );
+	else
+#endif
+		Mem_Free( str64.staticstringarray );
+#else
 	Mem_FreePool( &svgame.stringspool );
+#endif
 }
 
 /*
@@ -3114,6 +3247,9 @@ string_t GAME_EXPORT SV_AllocString( const char *szValue )
 {
 	char *newString = NULL;
 	uint len;
+#ifdef XASH_64BIT
+	int cmp;
+#endif
 
 	if( svgame.physFuncs.pfnAllocString != NULL )
 	{
@@ -3129,16 +3265,67 @@ string_t GAME_EXPORT SV_AllocString( const char *szValue )
 		return i;
 	}
 
+#ifdef XASH_64BIT
+	cmp = 1;
+
+	if( !str64.allowdup )
+	{
+		for( newString = str64.poldstringbase + 1;
+			newString < str64.plast && ( cmp = Q_strcmp( newString, szValue ) );
+			newString += Q_strlen( newString ) + 1 );
+	}
+
+	if( cmp )
+	{
+		uint len = SV_ProcessString( NULL, szValue );
+
+		if( str64.plast - str64.poldstringbase + len + 1 > str64.maxstringarray )
+		{
+			str64.plast = str64.pstringbase + 1;
+			str64.poldstringbase = str64.pstringbase;
+			str64.numoverflows++;
+		}
+
+		//MsgDev( D_NOTE, "SV_AllocString: %ld %s\n", str64.plast - svgame.globals->pStringBase, szValue );
+		SV_ProcessString( str64.plast, szValue );
+		str64.totalalloc += len;
+
+		newString = str64.plast;
+		str64.plast += len;
+	}
+	else
+	{
+		str64.numdups++;
+		//MsgDev( D_NOTE, "SV_AllocString: dup %ld %s\n", newString - svgame.globals->pStringBase, szValue );
+	}
+
+	if( newString - str64.pstringarray > str64.maxalloc )
+		str64.maxalloc = newString - str64.pstringarray;
+
+	return newString - svgame.globals->pStringBase;
+#else
 	len = SV_ProcessString( NULL, szValue );
 	newString = Mem_Malloc( svgame.stringspool, len );
 	SV_ProcessString( newString, szValue );
 
 	return newString - svgame.globals->pStringBase;
+#endif
 }
 
 void SV_PrintStr64Stats_f( void )
 {
+#ifdef XASH_64BIT
+	Con_Printf( "====================\n" );
+	Con_Printf( "64 bit string pool statistics\n" );
+	Con_Printf( "====================\n" );
+	Con_Printf( "string array size: %lu\n", str64.maxstringarray );
+	Con_Printf( "total alloc %lu\n", str64.totalalloc );
+	Con_Printf( "maximum array usage: %lu\n", str64.maxalloc );
+	Con_Printf( "overflow counter: %lu\n", str64.numoverflows );
+	Con_Printf( "dup string counter: %lu\n", str64.numdups );
+#else
 	Con_Printf( "Not implemented\n" );
+#endif
 }
 
 /*
@@ -3152,8 +3339,17 @@ string_t SV_MakeString( const char *szValue )
 {
 	if( svgame.physFuncs.pfnMakeString != NULL )
 		return svgame.physFuncs.pfnMakeString( szValue );
-
+#ifdef XASH_64BIT
+	{
+		long long ptrdiff = szValue - svgame.globals->pStringBase;
+		if( ptrdiff > INT_MAX || ptrdiff < INT_MIN )
+			return SV_AllocString(szValue);
+		else
+			return (int)ptrdiff;
+	}
+#else
 	return szValue - svgame.globals->pStringBase;
+#endif
 }
 
 /*
@@ -4917,6 +5113,8 @@ void SV_SpawnEntities( const char *mapname )
 
 void SV_UnloadProgs( void )
 {
+	pending_cvar_t *pending_cvars_list;
+
 	if( !svgame.hInstance )
 		return;
 
@@ -4926,6 +5124,8 @@ void SV_UnloadProgs( void )
 	/// SV_UnloadProgs will be disabled
 	//Mod_ClearUserData ();
 
+	pending_cvars_list = Cvar_PrepareToUnlink( FCVAR_EXTDLL );
+
 	if( svgame.dllFuncs2.pfnGameShutdown != NULL )
 		svgame.dllFuncs2.pfnGameShutdown ();
 
@@ -4943,7 +5143,7 @@ void SV_UnloadProgs( void )
 
 	// must unlink all game cvars,
 	// before pointers on them will be lost...
-	Cvar_Unlink( FCVAR_EXTDLL );
+	Cvar_UnlinkPendingCvars( pending_cvars_list );
 	Cmd_Unlink( CMD_SERVERDLL );
 
 	SV_FreeStringPool();

engine/server/sv_init.c

@@ -363,6 +363,7 @@ loads external resource list
 static void SV_CreateGenericResources( void )
 {
 	string	filename;
+	int i;
 
 	Q_strncpy( filename, sv.model_precache[1], sizeof( filename ));
 	COM_ReplaceExtension( filename, ".res", sizeof( filename ));
@@ -370,6 +371,16 @@ static void SV_CreateGenericResources( void )
 
 	SV_ReadResourceList( filename );
 	SV_ReadResourceList( "reslist.txt" );
+
+	for( i = 0; i < world.wadlist.count; i++ )
+	{
+		if( world.wadlist.wadusage[i] > 0 )
+		{
+			string wadname;
+			Q_snprintf( wadname, sizeof( wadname ), "%s.wad", world.wadlist.wadnames[i] );
+			SV_GenericIndex( wadname );
+		}
+	}
 }
 
 /*

engine/server/sv_main.c

@@ -92,9 +92,9 @@ static CVAR_DEFINE_AUTO( sv_waterfriction, "1", FCVAR_SERVER|FCVAR_MOVEVARS, "ho
 static CVAR_DEFINE_AUTO( sv_bounce, "1", FCVAR_SERVER|FCVAR_MOVEVARS, "bounce factor for entities with MOVETYPE_BOUNCE" );
 static CVAR_DEFINE_AUTO( sv_stepsize, "18", FCVAR_SERVER|FCVAR_MOVEVARS, "how high you and NPS's can step up" );
 CVAR_DEFINE_AUTO( sv_maxvelocity, "2000", FCVAR_MOVEVARS|FCVAR_UNLOGGED, "max velocity for all things in the world" );
-static CVAR_DEFINE_AUTO( sv_zmax, "4096", FCVAR_SERVER|FCVAR_MOVEVARS|FCVAR_SPONLY, "maximum viewable distance" );
+static CVAR_DEFINE_AUTO( sv_zmax, "4096", FCVAR_MOVEVARS|FCVAR_SPONLY, "maximum viewable distance" );
 CVAR_DEFINE_AUTO( sv_wateramp, "0", FCVAR_MOVEVARS|FCVAR_UNLOGGED, "world waveheight factor" );
-static CVAR_DEFINE( sv_footsteps, "mp_footsteps", "1", FCVAR_SERVER|FCVAR_MOVEVARS, "world gravity value" );
+static CVAR_DEFINE( sv_footsteps, "mp_footsteps", "1", FCVAR_SERVER|FCVAR_MOVEVARS, "play foot steps for players" );
 CVAR_DEFINE_AUTO( sv_skyname, "desert", FCVAR_MOVEVARS|FCVAR_UNLOGGED, "skybox name (can be dynamically changed in-game)" );
 static CVAR_DEFINE_AUTO( sv_rollangle, "0", FCVAR_MOVEVARS|FCVAR_UNLOGGED|FCVAR_ARCHIVE, "how much to tilt the view when strafing" );
 static CVAR_DEFINE_AUTO( sv_rollspeed, "200", FCVAR_MOVEVARS|FCVAR_UNLOGGED, "how much strafing is necessary to tilt the view" );
@@ -189,6 +189,9 @@ void SV_UpdateMovevars( qboolean initialize )
 	if( !initialize && !host.movevars_changed )
 		return;
 
+	// NOTE: this breaks Natural Selection mod on ns_machina map that uses model as sky
+	// it sets the value to 4000000 that even exceeds the coord limit
+#if 0
 	// check range
 	if( sv_zmax.value < 256.0f ) Cvar_SetValue( "sv_zmax", 256.0f );
 
@@ -203,6 +206,7 @@ void SV_UpdateMovevars( qboolean initialize )
 		if( sv_zmax.value > 32767.0f )
 			Cvar_SetValue( "sv_zmax", 32767.0f );
 	}
+#endif
 
 	svgame.movevars.gravity = sv_gravity.value;
 	svgame.movevars.stopspeed = sv_stopspeed.value;

engine/server/sv_save.c

@@ -1170,41 +1170,36 @@ static void SaveClientState( SAVERESTOREDATA *pSaveData, const char *level, int
 	char		name[MAX_QPATH];
 	int		i, id, version;
 	char		*pTokenData;
-	decallist_t	*decalList;
-	SAVE_CLIENT	header;
+	decallist_t	*decalList = NULL;
+	SAVE_CLIENT	header = { 0 };
 	file_t		*pFile;
 
 	// clearing the saving buffer to reuse
 	SaveClear( pSaveData );
 
-	memset( &header, 0, sizeof( header ));
-
-	// g-cont. add space for studiodecals if present
-	decalList = (decallist_t *)Z_Calloc( sizeof( decallist_t ) * MAX_RENDER_DECALS * 2 );
+	header.entityCount = sv.num_static_entities;
 
 	// initialize client header
 #if !XASH_DEDICATED
-	if( !Host_IsDedicated() )
+	if( !Host_IsDedicated( ))
 	{
-		header.decalCount = ref.dllFuncs.R_CreateDecalList( decalList );
-	}
-	else
-#endif // XASH_DEDICATED
-	{
-		// we probably running a dedicated server
-		header.decalCount = 0;
-	}
-	header.entityCount = sv.num_static_entities;
+		// g-cont. add space for studiodecals if present
+		decalList = (decallist_t *)Mem_Calloc( host.mempool, sizeof( decallist_t ) * MAX_RENDER_DECALS * 2 );
 
-	if( !changelevel )
-	{
-	 	// sounds won't going across transition
-		header.soundCount = S_GetCurrentDynamicSounds( soundInfo, MAX_CHANNELS );
-#if !XASH_DEDICATED
-		// music not reqiured to save position: it's just continue playing on a next level
-		S_StreamGetCurrentState( header.introTrack, sizeof( header.introTrack ), header.mainTrack, sizeof( header.mainTrack ), &header.trackPosition );
-#endif
+		header.decalCount = ref.dllFuncs.R_CreateDecalList( decalList );
+
+		if( !changelevel ) // sounds won't going across transition
+		{
+			header.soundCount = S_GetCurrentDynamicSounds( soundInfo, MAX_CHANNELS );
+
+			// music not reqiured to save position: it's just continue playing on a next level
+			S_StreamGetCurrentState(
+				header.introTrack, sizeof( header.introTrack ),
+				header.mainTrack, sizeof( header.mainTrack ),
+				&header.trackPosition );
+		}
 	}
+#endif // XASH_DEDICATED
 
 	// save viewentity to allow camera works after save\restore
 	if( SV_IsValidEdict( cl->pViewEntity ) && cl->pViewEntity != cl->edict )
@@ -1217,7 +1212,7 @@ static void SaveClientState( SAVERESTOREDATA *pSaveData, const char *level, int
 	svgame.dllFuncs.pfnSaveWriteFields( pSaveData, "ClientHeader", &header, gSaveClient, ARRAYSIZE( gSaveClient ));
 
 	// store decals
-	for( i = 0; i < header.decalCount; i++ )
+	for( i = 0; decalList != NULL && i < header.decalCount; i++ )
 	{
 		// NOTE: apply landmark offset only for brush entities without origin brushes
 		if( pSaveData->fUseLandmark && FBitSet( decalList[i].flags, FDECAL_USE_LANDMARK ))
@@ -1225,7 +1220,9 @@ static void SaveClientState( SAVERESTOREDATA *pSaveData, const char *level, int
 
 		svgame.dllFuncs.pfnSaveWriteFields( pSaveData, "DECALLIST", &decalList[i], gDecalEntry, ARRAYSIZE( gDecalEntry ));
 	}
-	Z_Free( decalList );
+
+	if( decalList )
+		Mem_Free( decalList );
 
 	// write client entities
 	for( i = 0; i < header.entityCount; i++ )

engine/wscript

@@ -222,7 +222,7 @@ def build(bld):
 			'client/*.c',
 			'client/vgui/*.c',
 			'client/avi/*.c'])
-		libs += ['opus']
+		libs += ['opus', 'bzip2']
 
 	includes = ['server', 'client', 'client/vgui' ]
 

filesystem/filesystem.c

@@ -125,6 +125,16 @@ static void FS_BackupFileName( file_t *file, const char *path, uint options ) {}
 static void FS_InitMemory( void );
 static void FS_Purge( file_t* file );
 
+void _Mem_Free( void *data, const char *filename, int fileline )
+{
+	g_engfuncs._Mem_Free( data, filename, fileline );
+}
+
+void *_Mem_Alloc( poolhandle_t poolptr, size_t size, qboolean clear, const char *filename, int fileline )
+{
+	return g_engfuncs._Mem_Alloc( poolptr, size, clear, filename, fileline );
+}
+
 /*
 =============================================================================
 
@@ -1412,34 +1422,34 @@ static qboolean FS_FindLibrary( const char *dllname, qboolean directpath, fs_dll
 	return true;
 }
 
-static poolhandle_t _Mem_AllocPool( const char *name, const char *filename, int fileline )
+static poolhandle_t Mem_AllocPoolStub( const char *name, const char *filename, int fileline )
 {
 	return (poolhandle_t)0xDEADC0DE;
 }
 
-static void _Mem_FreePool( poolhandle_t *poolptr, const char *filename, int fileline )
+static void Mem_FreePoolStub( poolhandle_t *poolptr, const char *filename, int fileline )
 {
 	// stub
 }
 
-static void *_Mem_Alloc( poolhandle_t poolptr, size_t size, qboolean clear, const char *filename, int fileline )
+static void *Mem_AllocStub( poolhandle_t poolptr, size_t size, qboolean clear, const char *filename, int fileline )
 {
 	void *ptr = malloc( size );
 	if( clear ) memset( ptr, 0, size );
 	return ptr;
 }
 
-static void *_Mem_Realloc( poolhandle_t poolptr, void *memptr, size_t size, qboolean clear, const char *filename, int fileline )
+static void *Mem_ReallocStub( poolhandle_t poolptr, void *memptr, size_t size, qboolean clear, const char *filename, int fileline )
 {
 	return realloc( memptr, size );
 }
 
-static void _Mem_Free( void *data, const char *filename, int fileline )
+static void Mem_FreeStub( void *data, const char *filename, int fileline )
 {
 	free( data );
 }
 
-static void _Con_Printf( const char *fmt, ... )
+static void Con_PrintfStub( const char *fmt, ... )
 {
 	va_list ap;
 
@@ -1448,7 +1458,7 @@ static void _Con_Printf( const char *fmt, ... )
 	va_end( ap );
 }
 
-static void _Sys_Error( const char *fmt, ... )
+static void Sys_ErrorStub( const char *fmt, ... )
 {
 	va_list ap;
 
@@ -1459,7 +1469,7 @@ static void _Sys_Error( const char *fmt, ... )
 	exit( 1 );
 }
 
-static void *Sys_GetNativeObject_stub( const char *object )
+static void *Sys_GetNativeObjectStub( const char *object )
 {
 	return NULL;
 }
@@ -2524,7 +2534,7 @@ byte *FS_LoadFileMalloc( const char *path, fs_offset_t *filesizeptr, qboolean ga
 
 byte *FS_LoadFile( const char *path, fs_offset_t *filesizeptr, qboolean gamedironly )
 {
-	return FS_LoadFile_( path, filesizeptr, gamedironly, g_engfuncs._Mem_Alloc != _Mem_Alloc );
+	return FS_LoadFile_( path, filesizeptr, gamedironly, true );
 }
 
 qboolean CRC32_File( dword *crcvalue, const char *filename )
@@ -2936,14 +2946,6 @@ search_t *FS_Search( const char *pattern, int caseinsensitive, int gamedironly )
 	return search;
 }
 
-static const char *FS_ArchivePath( file_t *f )
-{
-	if( f->searchpath )
-		return f->searchpath->filename;
-
-	return "plain";
-}
-
 static qboolean FS_IsArchiveExtensionSupported( const char *ext, uint flags )
 {
 	int i;
@@ -2971,16 +2973,16 @@ void FS_InitMemory( void )
 
 fs_interface_t g_engfuncs =
 {
-	_Con_Printf,
-	_Con_Printf,
-	_Con_Printf,
-	_Sys_Error,
-	_Mem_AllocPool,
-	_Mem_FreePool,
-	_Mem_Alloc,
-	_Mem_Realloc,
-	_Mem_Free,
-	Sys_GetNativeObject_stub
+	Con_PrintfStub,
+	Con_PrintfStub,
+	Con_PrintfStub,
+	Sys_ErrorStub,
+	Mem_AllocPoolStub,
+	Mem_FreePoolStub,
+	Mem_AllocStub,
+	Mem_ReallocStub,
+	Mem_FreeStub,
+	Sys_GetNativeObjectStub,
 };
 
 static qboolean FS_InitInterface( int version, const fs_interface_t *engfuncs )

filesystem/filesystem.h

@@ -217,8 +217,10 @@ typedef struct fs_interface_t
 	// memory
 	poolhandle_t (*_Mem_AllocPool)( const char *name, const char *filename, int fileline );
 	void  (*_Mem_FreePool)( poolhandle_t *poolptr, const char *filename, int fileline );
-	void *(*_Mem_Alloc)( poolhandle_t poolptr, size_t size, qboolean clear, const char *filename, int fileline ) ALLOC_CHECK( 2 );
-	void *(*_Mem_Realloc)( poolhandle_t poolptr, void *memptr, size_t size, qboolean clear, const char *filename, int fileline ) ALLOC_CHECK( 3 );
+	void *(*_Mem_Alloc)( poolhandle_t poolptr, size_t size, qboolean clear, const char *filename, int fileline )
+		ALLOC_CHECK( 2 ) WARN_UNUSED_RESULT;
+	void *(*_Mem_Realloc)( poolhandle_t poolptr, void *memptr, size_t size, qboolean clear, const char *filename, int fileline )
+		ALLOC_CHECK( 3 ) WARN_UNUSED_RESULT;
 	void  (*_Mem_Free)( void *data, const char *filename, int fileline );
 
 	// platform

filesystem/filesystem_internal.h

@@ -19,6 +19,7 @@ GNU General Public License for more details.
 #ifndef FILESYSTEM_INTERNAL_H
 #define FILESYSTEM_INTERNAL_H
 
+#include <stdlib.h>
 #include "xash3d_types.h"
 #include "filesystem.h"
 
@@ -129,10 +130,10 @@ extern const fs_archive_t g_archives[];
 
 #define GI FI.GameInfo
 
-#define Mem_Malloc( pool, size ) g_engfuncs._Mem_Alloc( pool, size, false, __FILE__, __LINE__ )
-#define Mem_Calloc( pool, size ) g_engfuncs._Mem_Alloc( pool, size, true, __FILE__, __LINE__ )
+#define Mem_Malloc( pool, size ) _Mem_Alloc( pool, size, false, __FILE__, __LINE__ )
+#define Mem_Calloc( pool, size ) _Mem_Alloc( pool, size, true, __FILE__, __LINE__ )
 #define Mem_Realloc( pool, ptr, size ) g_engfuncs._Mem_Realloc( pool, ptr, size, true, __FILE__, __LINE__ )
-#define Mem_Free( mem ) g_engfuncs._Mem_Free( mem, __FILE__, __LINE__ )
+#define Mem_Free( mem ) _Mem_Free( mem, __FILE__, __LINE__ )
 #define Mem_AllocPool( name ) g_engfuncs._Mem_AllocPool( name, __FILE__, __LINE__ )
 #define Mem_FreePool( pool ) g_engfuncs._Mem_FreePool( pool, __FILE__, __LINE__ )
 
@@ -148,6 +149,9 @@ extern const fs_archive_t g_archives[];
 qboolean FS_InitStdio( qboolean caseinsensitive, const char *rootdir, const char *basedir, const char *gamedir, const char *rodir );
 void FS_ShutdownStdio( void );
 searchpath_t *FS_AddArchive_Fullpath( const fs_archive_t *archive, const char *file, int flags );
+void _Mem_Free( void *data, const char *filename, int fileline );
+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;
 
 // search path utils
 void FS_Rescan( void );
@@ -155,7 +159,8 @@ void FS_ClearSearchPath( void );
 void FS_AllowDirectPaths( qboolean enable );
 void FS_AddGameDirectory( const char *dir, uint flags );
 void FS_AddGameHierarchy( const char *dir, uint flags );
-search_t *FS_Search( const char *pattern, int caseinsensitive, int gamedironly );
+search_t *FS_Search( const char *pattern, int caseinsensitive, int gamedironly )
+	MALLOC_LIKE( _Mem_Free, 1 ) WARN_UNUSED_RESULT;
 int FS_SetCurrentDirectory( const char *path );
 void FS_Path_f( void );
 
@@ -163,14 +168,15 @@ void FS_Path_f( void );
 void FS_LoadGameInfo( const char *rootfolder );
 
 // file ops
-file_t *FS_Open( const char *filepath, const char *mode, qboolean gamedironly );
+int FS_Close( file_t *file );
+file_t *FS_Open( const char *filepath, const char *mode, qboolean gamedironly )
+	MALLOC_LIKE( FS_Close, 1 ) WARN_UNUSED_RESULT;
 fs_offset_t FS_Write( file_t *file, const void *data, size_t datasize );
 fs_offset_t FS_Read( file_t *file, void *buffer, size_t buffersize );
 int FS_Seek( file_t *file, fs_offset_t offset, int whence );
 fs_offset_t FS_Tell( file_t *file );
 qboolean FS_Eof( file_t *file );
 int FS_Flush( file_t *file );
-int FS_Close( file_t *file );
 int FS_Gets( file_t *file, char *string, size_t bufsize );
 int FS_UnGetc( file_t *file, char c );
 int FS_Getc( file_t *file );
@@ -181,9 +187,12 @@ fs_offset_t FS_FileLength( file_t *f );
 qboolean FS_FileCopy( file_t *pOutput, file_t *pInput, int fileSize );
 
 // file buffer ops
-byte *FS_LoadFile( const char *path, fs_offset_t *filesizeptr, qboolean gamedironly );
-byte *FS_LoadFileMalloc( const char *path, fs_offset_t *filesizeptr, qboolean gamedironly );
-byte *FS_LoadDirectFile( const char *path, fs_offset_t *filesizeptr );
+byte *FS_LoadFile( const char *path, fs_offset_t *filesizeptr, qboolean gamedironly )
+	MALLOC_LIKE( _Mem_Free, 1 ) WARN_UNUSED_RESULT;
+byte *FS_LoadFileMalloc( const char *path, fs_offset_t *filesizeptr, qboolean gamedironly )
+	MALLOC_LIKE( free, 1 ) WARN_UNUSED_RESULT;
+byte *FS_LoadDirectFile( const char *path, fs_offset_t *filesizeptr )
+	MALLOC_LIKE( _Mem_Free, 1 ) WARN_UNUSED_RESULT;
 qboolean FS_WriteFile( const char *filename, const void *data, fs_offset_t len );
 
 // file hashing

filesystem/fscallback.h

@@ -36,7 +36,9 @@ extern fs_globals_t *FI;
 #define FS_AllowDirectPaths (*g_fsapi.AllowDirectPaths)
 #define FS_AddGameDirectory (*g_fsapi.AddGameDirectory)
 #define FS_AddGameHierarchy (*g_fsapi.AddGameHierarchy)
+#ifndef FSCALLBACK_OVERRIDE_MALLOC_LIKE
 #define FS_Search (*g_fsapi.Search)
+#endif
 #define FS_SetCurrentDirectory (*g_fsapi.SetCurrentDirectory)
 #define FS_Path_f (*g_fsapi.Path_f)
 
@@ -44,14 +46,16 @@ extern fs_globals_t *FI;
 #define FS_LoadGameInfo (*g_fsapi.LoadGameInfo)
 
 // file ops
+#ifndef FSCALLBACK_OVERRIDE_MALLOC_LIKE
 #define FS_Open (*g_fsapi.Open)
+#define FS_Close (*g_fsapi.Close)
+#endif
 #define FS_Write (*g_fsapi.Write)
 #define FS_Read (*g_fsapi.Read)
 #define FS_Seek (*g_fsapi.Seek)
 #define FS_Tell (*g_fsapi.Tell)
 #define FS_Eof (*g_fsapi.Eof)
 #define FS_Flush (*g_fsapi.Flush)
-#define FS_Close (*g_fsapi.Close)
 #define FS_Gets (*g_fsapi.Gets)
 #define FS_UnGetc (*g_fsapi.UnGetc)
 #define FS_Getc (*g_fsapi.Getc)
@@ -62,8 +66,10 @@ extern fs_globals_t *FI;
 #define FS_FileCopy (*g_fsapi.FileCopy)
 
 // file buffer ops
+#ifndef FSCALLBACK_OVERRIDE_MALLOC_LIKE
 #define FS_LoadFile (*g_fsapi.LoadFile)
 #define FS_LoadDirectFile (*g_fsapi.LoadDirectFile)
+#endif
 #define FS_WriteFile (*g_fsapi.WriteFile)
 
 // file hashing

filesystem/zip.c

@@ -299,7 +299,6 @@ static zip_t *FS_LoadZip( const char *zipfile, int *error )
 			if( error )
 				*error = ZIP_LOAD_BAD_HEADER;
 
-			Mem_Free( info );
 			FS_CloseZIP( zip );
 			return NULL;
 		}
@@ -316,7 +315,6 @@ static zip_t *FS_LoadZip( const char *zipfile, int *error )
 				if( error )
 					*error = ZIP_LOAD_CORRUPTED;
 
-				Mem_Free( info );
 				FS_CloseZIP( zip );
 				return NULL;
 			}
@@ -364,7 +362,6 @@ static zip_t *FS_LoadZip( const char *zipfile, int *error )
 			if( error )
 				*error = ZIP_LOAD_CORRUPTED;
 
-			Mem_Free( info );
 			FS_CloseZIP( zip );
 			return NULL;
 		}

public/crtlib.c

@@ -288,7 +288,6 @@ const char* Q_timestamp( int format )
 	static string	timestamp;
 	time_t		crt_time;
 	const struct tm	*crt_tm;
-	string		timestring;
 
 	time( &crt_time );
 	crt_tm = localtime( &crt_time );
@@ -297,33 +296,31 @@ const char* Q_timestamp( int format )
 	{
 	case TIME_FULL:
 		// Build the full timestamp (ex: "Apr03 2007 [23:31.55]");
-		strftime( timestring, sizeof( timestring ), "%b%d %Y [%H:%M.%S]", crt_tm );
+		strftime( timestamp, sizeof( timestamp ), "%b%d %Y [%H:%M.%S]", crt_tm );
 		break;
 	case TIME_DATE_ONLY:
 		// Build the date stamp only (ex: "Apr03 2007");
-		strftime( timestring, sizeof( timestring ), "%b%d %Y", crt_tm );
+		strftime( timestamp, sizeof( timestamp ), "%b%d %Y", crt_tm );
 		break;
 	case TIME_TIME_ONLY:
 		// Build the time stamp only (ex: "23:31.55");
-		strftime( timestring, sizeof( timestring ), "%H:%M.%S", crt_tm );
+		strftime( timestamp, sizeof( timestamp ), "%H:%M.%S", crt_tm );
 		break;
 	case TIME_NO_SECONDS:
 		// Build the time stamp exclude seconds (ex: "13:46");
-		strftime( timestring, sizeof( timestring ), "%H:%M", crt_tm );
+		strftime( timestamp, sizeof( timestamp ), "%H:%M", crt_tm );
 		break;
 	case TIME_YEAR_ONLY:
 		// Build the date stamp year only (ex: "2006");
-		strftime( timestring, sizeof( timestring ), "%Y", crt_tm );
+		strftime( timestamp, sizeof( timestamp ), "%Y", crt_tm );
 		break;
 	case TIME_FILENAME:
 		// Build a timestamp that can use for filename (ex: "Nov2006-26 (19.14.28)");
-		strftime( timestring, sizeof( timestring ), "%b%Y-%d_%H.%M.%S", crt_tm );
+		strftime( timestamp, sizeof( timestamp ), "%b%Y-%d_%H.%M.%S", crt_tm );
 		break;
 	default: return NULL;
 	}
 
-	Q_strncpy( timestamp, timestring, sizeof( timestamp ));
-
 	return timestamp;
 }
 

public/matrixlib.c

@@ -19,13 +19,6 @@ GNU General Public License for more details.
 #include "com_model.h"
 #include "xash3d_mathlib.h"
 
-const matrix3x4 m_matrix3x4_identity =
-{
-{ 1, 0, 0, 0 },	// PITCH	[forward], org[0]
-{ 0, 1, 0, 0 },	// YAW	[right]  , org[1]
-{ 0, 0, 1, 0 },	// ROLL	[up]     , org[2]
-};
-
 /*
 ========================================================================
 
@@ -225,14 +218,6 @@ void Matrix3x4_TransformAABB( const matrix3x4 world, const vec3_t mins, const ve
 	VectorAdd( worldCenter, worldExtents, absmax );
 }
 
-const matrix4x4 m_matrix4x4_identity =
-{
-{ 1, 0, 0, 0 },	// PITCH
-{ 0, 1, 0, 0 },	// YAW
-{ 0, 0, 1, 0 },	// ROLL
-{ 0, 0, 0, 1 },	// ORIGIN
-};
-
 /*
 ========================================================================
 

public/tests/test_efp.c

@@ -2,7 +2,7 @@
 #include "crtlib.h"
 #include <stdio.h>
 
-int Test_ExtractFilePath( void )
+static int Test_ExtractFilePath( void )
 {
 	char dst[64];
 	const char *strings[] =

public/xash3d_mathlib.c

@@ -18,15 +18,14 @@ GNU General Public License for more details.
 #include "com_model.h"
 #include "xash3d_mathlib.h"
 #include "eiface.h"
+#include "studio.h"
 
 #define NUM_HULL_ROUNDS	ARRAYSIZE( hull_table )
 #define HULL_PRECISION	4
 
-vec3_t vec3_origin = { 0, 0, 0 };
+static const word hull_table[] = { 2, 4, 6, 8, 12, 16, 18, 24, 28, 32, 36, 40, 48, 54, 56, 60, 64, 72, 80, 112, 120, 128, 140, 176 };
 
-static word hull_table[] = { 2, 4, 6, 8, 12, 16, 18, 24, 28, 32, 36, 40, 48, 54, 56, 60, 64, 72, 80, 112, 120, 128, 140, 176 };
-
-int boxpnt[6][4] =
+const int boxpnt[6][4] =
 {
 { 0, 4, 6, 2 }, // +X
 { 0, 1, 5, 4 }, // +Y
@@ -42,18 +41,7 @@ const float m_bytenormals[NUMVERTEXNORMALS][3] =
 #include "anorms.h"
 };
 
-/*
-=================
-anglemod
-=================
-*/
-float anglemod( float a )
-{
-	a = (360.0f / 65536) * ((int)(a*(65536/360.0f)) & 65535);
-	return a;
-}
-
-word FloatToHalf( float v )
+uint16_t FloatToHalf( float v )
 {
 	unsigned int	i = FloatAsUint( v );
 	unsigned int	e = (i >> 23) & 0x00ff;
@@ -69,7 +57,7 @@ word FloatToHalf( float v )
 	return h;
 }
 
-float HalfToFloat( word h )
+float HalfToFloat( uint16_t h )
 {
 	unsigned int	f = (h << 16) & 0x80000000;
 	unsigned int	em = h & 0x7fff;
@@ -151,57 +139,6 @@ void RoundUpHullSize( vec3_t size )
 	}
 }
 
-/*
-=================
-SignbitsForPlane
-
-fast box on planeside test
-=================
-*/
-int SignbitsForPlane( const vec3_t normal )
-{
-	int	bits, i;
-
-	for( bits = i = 0; i < 3; i++ )
-		if( normal[i] < 0.0f ) bits |= 1<<i;
-	return bits;
-}
-
-/*
-=================
-PlaneTypeForNormal
-=================
-*/
-int PlaneTypeForNormal( const vec3_t normal )
-{
-	if( normal[0] == 1.0f )
-		return PLANE_X;
-	if( normal[1] == 1.0f )
-		return PLANE_Y;
-	if( normal[2] == 1.0f )
-		return PLANE_Z;
-	return PLANE_NONAXIAL;
-}
-
-/*
-=================
-NearestPOW
-=================
-*/
-int NearestPOW( int value, qboolean roundDown )
-{
-	int	n = 1;
-
-	if( value <= 0 ) return 1;
-	while( n < value ) n <<= 1;
-
-	if( roundDown )
-	{
-		if( n > value ) n >>= 1;
-	}
-	return n;
-}
-
 /*
 =================
 rsqrt
@@ -224,43 +161,6 @@ float rsqrt( float number )
 	return y;
 }
 
-/*
-==============
-VectorCompareEpsilon
-
-==============
-*/
-qboolean VectorCompareEpsilon( const vec3_t vec1, const vec3_t vec2, vec_t epsilon )
-{
-	vec_t	ax, ay, az;
-
-	ax = fabs( vec1[0] - vec2[0] );
-	ay = fabs( vec1[1] - vec2[1] );
-	az = fabs( vec1[2] - vec2[2] );
-
-	if(( ax <= epsilon ) && ( ay <= epsilon ) && ( az <= epsilon ))
-		return true;
-	return false;
-}
-
-float VectorNormalizeLength2( const vec3_t v, vec3_t out )
-{
-	float	length, ilength;
-
-	length = v[0] * v[0] + v[1] * v[1] + v[2] * v[2];
-	length = sqrt( length );
-
-	if( length )
-	{
-		ilength = 1.0f / length;
-		out[0] = v[0] * ilength;
-		out[1] = v[1] * ilength;
-		out[2] = v[2] * ilength;
-	}
-
-	return length;
-}
-
 void VectorVectors( const vec3_t forward, vec3_t right, vec3_t up )
 {
 	float	d;
@@ -276,42 +176,6 @@ void VectorVectors( const vec3_t forward, vec3_t right, vec3_t up )
 	VectorNormalize( up );
 }
 
-/*
-=================
-AngleVectors
-
-=================
-*/
-void GAME_EXPORT AngleVectors( const vec3_t angles, vec3_t forward, vec3_t right, vec3_t up )
-{
-	float	sr, sp, sy, cr, cp, cy;
-
-	SinCos( DEG2RAD( angles[YAW] ), &sy, &cy );
-	SinCos( DEG2RAD( angles[PITCH] ), &sp, &cp );
-	SinCos( DEG2RAD( angles[ROLL] ), &sr, &cr );
-
-	if( forward )
-	{
-		forward[0] = cp * cy;
-		forward[1] = cp * sy;
-		forward[2] = -sp;
-	}
-
-	if( right )
-	{
-		right[0] = (-1.0f * sr * sp * cy + -1.0f * cr * -sy );
-		right[1] = (-1.0f * sr * sp * sy + -1.0f * cr * cy );
-		right[2] = (-1.0f * sr * cp);
-	}
-
-	if( up )
-	{
-		up[0] = (cr * sp * cy + -sr * -sy );
-		up[1] = (cr * sp * sy + -sr * cy );
-		up[2] = (cr * cp);
-	}
-}
-
 /*
 =================
 VectorAngles
@@ -384,39 +248,6 @@ void VectorsAngles( const vec3_t forward, const vec3_t right, const vec3_t up, v
 //
 // bounds operations
 //
-/*
-=================
-AddPointToBounds
-=================
-*/
-void AddPointToBounds( const vec3_t v, vec3_t mins, vec3_t maxs )
-{
-	float	val;
-	int	i;
-
-	for( i = 0; i < 3; i++ )
-	{
-		val = v[i];
-		if( val < mins[i] ) mins[i] = val;
-		if( val > maxs[i] ) maxs[i] = val;
-	}
-}
-
-/*
-=================
-ExpandBounds (not used anywhere?)
-=================
-*/
-void ExpandBounds( vec3_t mins, vec3_t maxs, float offset )
-{
-	mins[0] -= offset;
-	mins[1] -= offset;
-	mins[2] -= offset;
-	maxs[0] += offset;
-	maxs[1] += offset;
-	maxs[2] += offset;
-}
-
 /*
 =================
 SphereIntersect
@@ -457,67 +288,9 @@ void PlaneIntersect( const mplane_t *plane, const vec3_t p0, const vec3_t p1, ve
 	VectorMA( p0, sect, p1, out );
 }
 
-/*
-=================
-RadiusFromBounds
-=================
-*/
-float RadiusFromBounds( const vec3_t mins, const vec3_t maxs )
-{
-	vec3_t	corner;
-	int	i;
-
-	for( i = 0; i < 3; i++ )
-	{
-		corner[i] = fabs( mins[i] ) > fabs( maxs[i] ) ? fabs( mins[i] ) : fabs( maxs[i] );
-	}
-	return VectorLength( corner );
-}
-
 //
 // studio utils
 //
-/*
-====================
-AngleQuaternion
-
-====================
-*/
-void AngleQuaternion( const vec3_t angles, vec4_t q, qboolean studio )
-{
-	float	sr, sp, sy, cr, cp, cy;
-
-	if( studio )
-	{
-		SinCos( angles[ROLL] * 0.5f, &sy, &cy );
-		SinCos( angles[YAW] * 0.5f, &sp, &cp );
-		SinCos( angles[PITCH] * 0.5f, &sr, &cr );
-	}
-	else
-	{
-		SinCos( DEG2RAD( angles[YAW] ) * 0.5f, &sy, &cy );
-		SinCos( DEG2RAD( angles[PITCH] ) * 0.5f, &sp, &cp );
-		SinCos( DEG2RAD( angles[ROLL] ) * 0.5f, &sr, &cr );
-	}
-
-	q[0] = sr * cp * cy - cr * sp * sy; // X
-	q[1] = cr * sp * cy + sr * cp * sy; // Y
-	q[2] = cr * cp * sy - sr * sp * cy; // Z
-	q[3] = cr * cp * cy + sr * sp * sy; // W
-}
-
-/*
-====================
-QuaternionAngle
-
-====================
-*/
-void QuaternionAngle( const vec4_t q, vec3_t angles )
-{
-	matrix3x4	mat;
-	Matrix3x4_FromOriginQuat( mat, q, vec3_origin );
-	Matrix3x4_AnglesFromMatrix( mat, angles );
-}
 
 /*
 ====================
@@ -680,25 +453,6 @@ int BoxOnPlaneSide( const vec3_t emins, const vec3_t emaxs, const mplane_t *p )
 	return sides;
 }
 
-/*
-====================
-StudioSlerpBones
-
-====================
-*/
-void R_StudioSlerpBones( int numbones, vec4_t q1[], float pos1[][3], const vec4_t q2[], const float pos2[][3], float s )
-{
-	int	i;
-
-	s = bound( 0.0f, s, 1.0f );
-
-	for( i = 0; i < numbones; i++ )
-	{
-		QuaternionSlerp( q1[i], q2[i], s, q1[i] );
-		VectorLerp( pos1[i], s, pos2[i], pos1[i] );
-	}
-}
-
 /*
 ====================
 StudioCalcBoneQuaternion

public/xash3d_mathlib.h

@@ -23,74 +23,65 @@ GNU General Public License for more details.
 
 #include "build.h"
 #include "xash3d_types.h"
-#include "const.h"
-#include "com_model.h"
-#include "studio.h"
+
+/*
+===========================
+
+CONSTANTS AND HELPER MACROS
+
+===========================
+*/
 
 // euler angle order
-#define PITCH		0
-#define YAW		1
-#define ROLL		2
+#define PITCH 0
+#define YAW   1
+#define ROLL  2
 
 #ifndef M_PI
-#define M_PI		(double)3.14159265358979323846
+#define M_PI    (double)3.14159265358979323846
 #endif
 
-#ifndef M_PI2
-#define M_PI2		((double)(M_PI * 2))
-#endif
+#define M_PI2   ((double)(M_PI * 2))
+#define M_PI_F  ((float)(M_PI))
+#define M_PI2_F ((float)(M_PI2))
 
-#define M_PI_F		((float)(M_PI))
-#define M_PI2_F		((float)(M_PI2))
+#define RAD2DEG( x ) ((double)(x) * (double)(180.0 / M_PI))
+#define DEG2RAD( x ) ((double)(x) * (double)(M_PI / 180.0))
 
-#define RAD2DEG( x )	((double)(x) * (double)(180.0 / M_PI))
-#define DEG2RAD( x )	((double)(x) * (double)(M_PI / 180.0))
+#define NUMVERTEXNORMALS 162
 
-#define NUMVERTEXNORMALS	162
+#define BOGUS_RANGE ((vec_t)114032.64)	// world.size * 1.74
 
-#define BOGUS_RANGE		((vec_t)114032.64)	// world.size * 1.74
+#define SIDE_FRONT 0
+#define SIDE_BACK  1
+#define SIDE_ON    2
+#define SIDE_CROSS -2
 
-#define SIDE_FRONT		0
-#define SIDE_BACK		1
-#define SIDE_ON		2
-#define SIDE_CROSS		-2
+#define PLANE_X        0 // 0 - 2 are axial planes
+#define PLANE_Y        1 // 3 needs alternate calc
+#define PLANE_Z        2
+#define PLANE_NONAXIAL 3
 
-#define PLANE_X		0	// 0 - 2 are axial planes
-#define PLANE_Y		1	// 3 needs alternate calc
-#define PLANE_Z		2
-#define PLANE_NONAXIAL	3
+#define EQUAL_EPSILON 0.001f
+#define STOP_EPSILON  0.1f
+#define ON_EPSILON    0.1f
 
-#define EQUAL_EPSILON	0.001f
-#define STOP_EPSILON	0.1f
-#define ON_EPSILON		0.1f
+#define RAD_TO_STUDIO (32768.0 / M_PI)
+#define STUDIO_TO_RAD (M_PI / 32768.0)
 
-#define RAD_TO_STUDIO	(32768.0 / M_PI)
-#define STUDIO_TO_RAD	(M_PI / 32768.0)
+#define INV127F          ( 1.0f / 127.0f )
+#define INV255F          ( 1.0f / 255.0f )
+#define MAKE_SIGNED( x ) ((( x ) * INV127F ) - 1.0f )
 
-#define INV127F		( 1.0f / 127.0f )
-#define INV255F		( 1.0f / 255.0f )
-#define MAKE_SIGNED( x )	((( x ) * INV127F ) - 1.0f )
-
-#define Q_min( a, b )	(((a) < (b)) ? (a) : (b))
-#define Q_max( a, b )	(((a) > (b)) ? (a) : (b))
+#define Q_min( a, b ) (((a) < (b)) ? (a) : (b))
+#define Q_max( a, b ) (((a) > (b)) ? (a) : (b))
 #define Q_equal_e( a, b, e ) (((a) >= ((b) - (e))) && ((a) <= ((b) + (e))))
 #define Q_equal( a, b ) Q_equal_e( a, b, EQUAL_EPSILON )
-#define Q_recip( a )	((float)(1.0f / (float)(a)))
-#define Q_floor( a )	((float)(int)(a))
-#define Q_ceil( a )		((float)(int)((a) + 1))
-#define Q_round( x, y )	(floor( x / y + 0.5f ) * y )
-#define Q_rint(x)		((x) < 0.0f ? ((int)((x)-0.5f)) : ((int)((x)+0.5f)))
-
-#ifdef XASH_IRIX
-#undef isnan
-#endif
-#ifdef isnan // check for C99 isnan
-#define IS_NAN isnan
-#else
-#define IS_NAN(x)		(((*(int *)&x) & (255<<23)) == (255<<23))
-#endif
-
-#define ALIGN( x, a )	((( x ) + (( size_t )( a ) - 1 )) & ~(( size_t )( a ) - 1 ))
+#define Q_floor( a )    ((float)(int)(a))
+#define Q_ceil( a )     ((float)(int)((a) + 1))
+#define Q_round( x, y ) (floor( x / y + 0.5f ) * y )
+#define Q_rint(x)       ((x) < 0.0f ? ((int)((x)-0.5f)) : ((int)((x)+0.5f)))
+#define ALIGN( x, a )   ((( x ) + (( size_t )( a ) - 1 )) & ~(( size_t )( a ) - 1 ))
 
 #define VectorIsNAN(v) (IS_NAN(v[0]) || IS_NAN(v[1]) || IS_NAN(v[2]))
 #define DotProduct(x,y) ((x)[0]*(y)[0]+(x)[1]*(y)[1]+(x)[2]*(y)[2])
@@ -118,8 +109,11 @@ GNU General Public License for more details.
 #define Vector2Average(a,b,o)	((o)[0]=((a)[0]+(b)[0])*0.5f,(o)[1]=((a)[1]+(b)[1])*0.5f)
 #define VectorAverage(a,b,o)	((o)[0]=((a)[0]+(b)[0])*0.5f,(o)[1]=((a)[1]+(b)[1])*0.5f,(o)[2]=((a)[2]+(b)[2])*0.5f)
 #define Vector2Set(v, x, y) ((v)[0]=(x),(v)[1]=(y))
+#define Vector2Unpack(v, x, y) ((x)=(v)[0],(y)=(v)[1])
 #define VectorSet(v, x, y, z) ((v)[0]=(x),(v)[1]=(y),(v)[2]=(z))
-#define Vector4Set(v, a, b, c, d) ((v)[0]=(a),(v)[1]=(b),(v)[2]=(c),(v)[3] = (d))
+#define VectorUnpack(v, x, y, z) ((x)=(v)[0],(y)=(v)[1],(z)=(v)[2])
+#define Vector4Set(v, a, b, c, d) ((v)[0]=(a),(v)[1]=(b),(v)[2]=(c),(v)[3]=(d))
+#define Vector4Unpack(v, a, b, c, d) ((a)=(v)[0],(b)=(v)[1],(c)=(v)[2],(d)=(v)[3])
 #define VectorClear(x) ((x)[0]=(x)[1]=(x)[2]=0)
 #define Vector2Lerp( v1, lerp, v2, c ) ((c)[0] = (v1)[0] + (lerp) * ((v2)[0] - (v1)[0]), (c)[1] = (v1)[1] + (lerp) * ((v2)[1] - (v1)[1]))
 #define VectorLerp( v1, lerp, v2, c ) ((c)[0] = (v1)[0] + (lerp) * ((v2)[0] - (v1)[0]), (c)[1] = (v1)[1] + (lerp) * ((v2)[1] - (v1)[1]), (c)[2] = (v1)[2] + (lerp) * ((v2)[2] - (v1)[2]))
@@ -138,9 +132,95 @@ GNU General Public License for more details.
 #define PlaneDiff(point,plane) (((plane)->type < 3 ? (point)[(plane)->type] : DotProduct((point), (plane)->normal)) - (plane)->dist)
 #define bound( min, num, max ) ((num) >= (min) ? ((num) < (max) ? (num) : (max)) : (min))
 
+/*
+===========================
+
+CONSTANTS GLOBALS
+
+===========================
+*/
+// a1ba: we never return pointers to these globals
+// so help compiler optimize constants away
+#define vec3_origin ((vec3_t){ 0.0f, 0.0f, 0.0f })
+#define m_matrix3x4_identity ((matrix3x4) { \
+	{ 1.0f, 0.0f, 0.0f, 0.0f }, \
+	{ 0.0f, 1.0f, 0.0f, 0.0f }, \
+	{ 0.0f, 0.0f, 1.0f, 0.0f }} )
+#define m_matrix4x4_identity ((matrix4x4) { \
+	{ 1.0f, 0.0f, 0.0f, 0.0f }, \
+	{ 0.0f, 1.0f, 0.0f, 0.0f }, \
+	{ 0.0f, 0.0f, 1.0f, 0.0f }, \
+	{ 0.0f, 0.0f, 0.0f, 1.0f }} )
+
+extern const int       boxpnt[6][4];
+extern const float     m_bytenormals[NUMVERTEXNORMALS][3];
+
+
+/*
+===========================
+
+MATH FUNCTIONS
+
+===========================
+*/
+typedef struct mplane_s mplane_t;
+typedef struct mstudiobone_s mstudiobone_t;
+typedef struct mstudioanim_s mstudioanim_t;
+
+float rsqrt( float number );
+uint16_t FloatToHalf( float v );
+float HalfToFloat( uint16_t h );
+void RoundUpHullSize( vec3_t size );
+void VectorVectors( const vec3_t forward, vec3_t right, vec3_t up );
+void VectorAngles( const float *forward, float *angles );
+void VectorsAngles( const vec3_t forward, const vec3_t right, const vec3_t up, vec3_t angles );
+void PlaneIntersect( const mplane_t *plane, const vec3_t p0, const vec3_t p1, vec3_t out );
+qboolean SphereIntersect( const vec3_t vSphereCenter, float fSphereRadiusSquared, const vec3_t vLinePt, const vec3_t vLineDir );
+void QuaternionSlerp( const vec4_t p, const vec4_t q, float t, vec4_t qt );
+void R_StudioCalcBoneQuaternion( int frame, float s, const mstudiobone_t *pbone, const mstudioanim_t *panim, const float *adj, vec4_t q );
+void R_StudioCalcBonePosition( int frame, float s, const mstudiobone_t *pbone, const mstudioanim_t *panim, const vec3_t adj, vec3_t pos );
+int BoxOnPlaneSide( const vec3_t emins, const vec3_t emaxs, const mplane_t *p );
+#define BOX_ON_PLANE_SIDE( emins, emaxs, p )           \
+	((( p )->type < 3 ) ?                              \
+	(                                                  \
+		((p)->dist <= (emins)[(p)->type]) ? 1 :        \
+		(                                              \
+			((p)->dist >= (emaxs)[(p)->type] ) ? 2 : 3 \
+		)                                              \
+	) : BoxOnPlaneSide(( emins ), ( emaxs ), ( p )))
+
+//
+// matrixlib.c
+//
+#define Matrix3x4_LoadIdentity( mat )		Matrix3x4_Copy( mat, m_matrix3x4_identity )
+#define Matrix3x4_Copy( out, in )		memcpy( out, in, sizeof( matrix3x4 ))
+void Matrix3x4_VectorTransform( const matrix3x4 in, const float v[3], float out[3] );
+void Matrix3x4_VectorITransform( const matrix3x4 in, const float v[3], float out[3] );
+void Matrix3x4_VectorRotate( const matrix3x4 in, const float v[3], float out[3] );
+void Matrix3x4_VectorIRotate( const matrix3x4 in, const float v[3], float out[3] );
+void Matrix3x4_ConcatTransforms( matrix3x4 out, const matrix3x4 in1, const matrix3x4 in2 );
+void Matrix3x4_FromOriginQuat( matrix3x4 out, const vec4_t quaternion, const vec3_t origin );
+void Matrix3x4_CreateFromEntity( matrix3x4 out, const vec3_t angles, const vec3_t origin, float scale );
+void Matrix3x4_TransformAABB( const matrix3x4 world, const vec3_t mins, const vec3_t maxs, vec3_t absmin, vec3_t absmax );
+void Matrix3x4_AnglesFromMatrix( const matrix3x4 in, vec3_t out );
+
+#define Matrix4x4_LoadIdentity( mat )	Matrix4x4_Copy( mat, m_matrix4x4_identity )
+#define Matrix4x4_Copy( out, in )	memcpy( out, in, sizeof( matrix4x4 ))
+void Matrix4x4_VectorTransform( const matrix4x4 in, const float v[3], float out[3] );
+void Matrix4x4_VectorITransform( const matrix4x4 in, const float v[3], float out[3] );
+void Matrix4x4_VectorRotate( const matrix4x4 in, const float v[3], float out[3] );
+void Matrix4x4_VectorIRotate( const matrix4x4 in, const float v[3], float out[3] );
+void Matrix4x4_ConcatTransforms( matrix4x4 out, const matrix4x4 in1, const matrix4x4 in2 );
+void Matrix4x4_CreateFromEntity( matrix4x4 out, const vec3_t angles, const vec3_t origin, float scale );
+void Matrix4x4_TransformPositivePlane( const matrix4x4 in, const vec3_t normal, float d, vec3_t out, float *dist );
+void Matrix4x4_ConvertToEntity( const matrix4x4 in, vec3_t angles, vec3_t origin );
+void Matrix4x4_Invert_Simple( matrix4x4 out, const matrix4x4 in1 );
+qboolean Matrix4x4_Invert_Full( matrix4x4 out, const matrix4x4 in1 );
+
 // horrible cast but helps not breaking strict aliasing in mathlib
 // as union type punning should be fine in C but not in C++
 // so don't carry over this to C++ code
+#ifndef __cplusplus
 typedef union
 {
 	float fl;
@@ -173,28 +253,98 @@ static inline float UintAsFloat( uint32_t u )
 	bits.u = u;
 	return bits.fl;
 }
+#endif // __cplusplus
+
+// isnan implementation is broken on IRIX as reported in https://github.com/FWGS/xash3d-fwgs/pull/1211
+#if defined( XASH_IRIX ) || !defined( isnan )
+static inline int IS_NAN( float x )
+{
+	int32_t i = FloatAsInt( x ); // only C
+	return i & ( 255 << 23 ) == ( 255 << 23 );
+}
+#else
+#define IS_NAN isnan
+#endif
+
+static inline float anglemod( float a )
+{
+	a = (360.0f / 65536) * ((int)(a*(65536/360.0f)) & 65535);
+	return a;
+}
 
 static inline void SinCos( float radians, float *sine, float *cosine )
 {
-	*sine = sin(radians);
-	*cosine = cos(radians);
+	*sine = sin( radians );
+	*cosine = cos( radians );
 }
 
-float rsqrt( float number );
-float anglemod( float a );
-word FloatToHalf( float v );
-float HalfToFloat( word h );
-void RoundUpHullSize( vec3_t size );
-int SignbitsForPlane( const vec3_t normal );
-int PlaneTypeForNormal( const vec3_t normal );
-int NearestPOW( int value, qboolean roundDown );
-float VectorNormalizeLength2( const vec3_t v, vec3_t out );
-qboolean VectorCompareEpsilon( const vec3_t vec1, const vec3_t vec2, vec_t epsilon );
-void VectorVectors( const vec3_t forward, vec3_t right, vec3_t up );
-void VectorAngles( const float *forward, float *angles );
-void AngleVectors( const vec3_t angles, vec3_t forward, vec3_t right, vec3_t up );
-void VectorsAngles( const vec3_t forward, const vec3_t right, const vec3_t up, vec3_t angles );
-void PlaneIntersect( const struct mplane_s *plane, const vec3_t p0, const vec3_t p1, vec3_t out );
+static inline int NearestPOW( int value, qboolean roundDown )
+{
+	int	n = 1;
+
+	if( value <= 0 ) return 1;
+	while( n < value ) n <<= 1;
+
+	if( roundDown )
+	{
+		if( n > value ) n >>= 1;
+	}
+	return n;
+}
+
+static inline qboolean VectorCompareEpsilon( const vec3_t vec1, const vec3_t vec2, vec_t epsilon )
+{
+	vec_t ax = fabs( vec1[0] - vec2[0] );
+	vec_t ay = fabs( vec1[1] - vec2[1] );
+	vec_t az = fabs( vec1[2] - vec2[2] );
+
+	return ( ax <= epsilon ) && ( ay <= epsilon ) && ( az <= epsilon ) ? true : false;
+}
+
+static inline float VectorNormalizeLength2( const vec3_t v, vec3_t out )
+{
+	float length = VectorLength( v );
+
+	if( length )
+	{
+		float ilength = 1.0f / length;
+		out[0] = v[0] * ilength;
+		out[1] = v[1] * ilength;
+		out[2] = v[2] * ilength;
+	}
+
+	return length;
+}
+
+static inline void GAME_EXPORT AngleVectors( const vec3_t angles, vec3_t forward, vec3_t right, vec3_t up )
+{
+	float	sr, sp, sy, cr, cp, cy;
+
+	SinCos( DEG2RAD( angles[YAW] ), &sy, &cy );
+	SinCos( DEG2RAD( angles[PITCH] ), &sp, &cp );
+	SinCos( DEG2RAD( angles[ROLL] ), &sr, &cr );
+
+	if( forward )
+	{
+		forward[0] = cp * cy;
+		forward[1] = cp * sy;
+		forward[2] = -sp;
+	}
+
+	if( right )
+	{
+		right[0] = (-1.0f * sr * sp * cy + -1.0f * cr * -sy );
+		right[1] = (-1.0f * sr * sp * sy + -1.0f * cr * cy );
+		right[2] = (-1.0f * sr * cp);
+	}
+
+	if( up )
+	{
+		up[0] = (cr * sp * cy + -sr * -sy );
+		up[1] = (cr * sp * sy + -sr * cy );
+		up[2] = (cr * cp);
+	}
+}
 
 static inline void ClearBounds( vec3_t mins, vec3_t maxs )
 {
@@ -221,20 +371,85 @@ static inline qboolean BoundsAndSphereIntersect( const vec3_t mins, const vec3_t
 	return true;
 }
 
-void AddPointToBounds( const vec3_t v, vec3_t mins, vec3_t maxs );
-qboolean SphereIntersect( const vec3_t vSphereCenter, float fSphereRadiusSquared, const vec3_t vLinePt, const vec3_t vLineDir );
-float RadiusFromBounds( const vec3_t mins, const vec3_t maxs );
-void ExpandBounds( vec3_t mins, vec3_t maxs, float offset );
+static inline float RadiusFromBounds( const vec3_t mins, const vec3_t maxs )
+{
+	vec3_t corner;
+	int i;
 
-void AngleQuaternion( const vec3_t angles, vec4_t q, qboolean studio );
-void QuaternionAngle( const vec4_t q, vec3_t angles );
-void QuaternionSlerp( const vec4_t p, const vec4_t q, float t, vec4_t qt );
+	for( i = 0; i < 3; i++ )
+	{
+		float a = fabs( mins[i] );
+		float b = fabs( maxs[i] );
+		corner[i] = Q_max( a, b );
+	}
 
-//
-// matrixlib.c
-//
-#define Matrix3x4_LoadIdentity( mat )		Matrix3x4_Copy( mat, m_matrix3x4_identity )
-#define Matrix3x4_Copy( out, in )		memcpy( out, in, sizeof( matrix3x4 ))
+	return VectorLength( corner );
+}
+
+static inline void AddPointToBounds( const vec3_t v, vec3_t mins, vec3_t maxs )
+{
+	int i;
+
+	for( i = 0; i < 3; i++ )
+	{
+		float val = v[i];
+		if( val < mins[i] ) mins[i] = val;
+		if( val > maxs[i] ) maxs[i] = val;
+	}
+}
+
+static inline void ExpandBounds( vec3_t mins, vec3_t maxs, float offset )
+{
+	mins[0] -= offset;
+	mins[1] -= offset;
+	mins[2] -= offset;
+	maxs[0] += offset;
+	maxs[1] += offset;
+	maxs[2] += offset;
+}
+
+static inline int SignbitsForPlane( const vec3_t normal )
+{
+	int	bits, i;
+
+	for( bits = i = 0; i < 3; i++ )
+		if( normal[i] < 0.0f ) bits |= 1<<i;
+	return bits;
+}
+
+static inline int PlaneTypeForNormal( const vec3_t normal )
+{
+	if( normal[0] == 1.0f )
+		return PLANE_X;
+	if( normal[1] == 1.0f )
+		return PLANE_Y;
+	if( normal[2] == 1.0f )
+		return PLANE_Z;
+	return PLANE_NONAXIAL;
+}
+
+static inline void AngleQuaternion( const vec3_t angles, vec4_t q, qboolean studio )
+{
+	float	sr, sp, sy, cr, cp, cy;
+
+	if( studio )
+	{
+		SinCos( angles[ROLL] * 0.5f, &sy, &cy );
+		SinCos( angles[YAW] * 0.5f, &sp, &cp );
+		SinCos( angles[PITCH] * 0.5f, &sr, &cr );
+	}
+	else
+	{
+		SinCos( DEG2RAD( angles[YAW] ) * 0.5f, &sy, &cy );
+		SinCos( DEG2RAD( angles[PITCH] ) * 0.5f, &sp, &cp );
+		SinCos( DEG2RAD( angles[ROLL] ) * 0.5f, &sr, &cr );
+	}
+
+	q[0] = sr * cp * cy - cr * sp * sy; // X
+	q[1] = cr * sp * cy + sr * cp * sy; // Y
+	q[2] = cr * cp * sy - sr * sp * cy; // Z
+	q[3] = cr * cp * cy + sr * sp * sy; // W
+}
 
 static inline void Matrix3x4_SetOrigin( matrix3x4 out, float x, float y, float z )
 {
@@ -250,56 +465,23 @@ static inline void Matrix3x4_OriginFromMatrix( const matrix3x4 in, float *out )
 	out[2] = in[2][3];
 }
 
-void Matrix3x4_VectorTransform( const matrix3x4 in, const float v[3], float out[3] );
-void Matrix3x4_VectorITransform( const matrix3x4 in, const float v[3], float out[3] );
-void Matrix3x4_VectorRotate( const matrix3x4 in, const float v[3], float out[3] );
-void Matrix3x4_VectorIRotate( const matrix3x4 in, const float v[3], float out[3] );
-void Matrix3x4_ConcatTransforms( matrix3x4 out, const matrix3x4 in1, const matrix3x4 in2 );
-void Matrix3x4_FromOriginQuat( matrix3x4 out, const vec4_t quaternion, const vec3_t origin );
-void Matrix3x4_CreateFromEntity( matrix3x4 out, const vec3_t angles, const vec3_t origin, float scale );
-void Matrix3x4_TransformAABB( const matrix3x4 world, const vec3_t mins, const vec3_t maxs, vec3_t absmin, vec3_t absmax );
-void Matrix3x4_AnglesFromMatrix( const matrix3x4 in, vec3_t out );
+static inline void QuaternionAngle( const vec4_t q, vec3_t angles )
+{
+	matrix3x4	mat;
+	Matrix3x4_FromOriginQuat( mat, q, vec3_origin );
+	Matrix3x4_AnglesFromMatrix( mat, angles );
+}
 
-#define Matrix4x4_LoadIdentity( mat )	Matrix4x4_Copy( mat, m_matrix4x4_identity )
-#define Matrix4x4_Copy( out, in )	memcpy( out, in, sizeof( matrix4x4 ))
+static inline void R_StudioSlerpBones( int numbones, vec4_t q1[], float pos1[][3], const vec4_t q2[], const float pos2[][3], float s )
+{
+	int	i;
+	s = bound( 0.0f, s, 1.0f );
 
-void Matrix4x4_VectorTransform( const matrix4x4 in, const float v[3], float out[3] );
-void Matrix4x4_VectorITransform( const matrix4x4 in, const float v[3], float out[3] );
-void Matrix4x4_VectorRotate( const matrix4x4 in, const float v[3], float out[3] );
-void Matrix4x4_VectorIRotate( const matrix4x4 in, const float v[3], float out[3] );
-void Matrix4x4_ConcatTransforms( matrix4x4 out, const matrix4x4 in1, const matrix4x4 in2 );
-void Matrix4x4_CreateFromEntity( matrix4x4 out, const vec3_t angles, const vec3_t origin, float scale );
-void Matrix4x4_TransformPositivePlane( const matrix4x4 in, const vec3_t normal, float d, vec3_t out, float *dist );
-void Matrix4x4_ConvertToEntity( const matrix4x4 in, vec3_t angles, vec3_t origin );
-void Matrix4x4_Invert_Simple( matrix4x4 out, const matrix4x4 in1 );
-qboolean Matrix4x4_Invert_Full( matrix4x4 out, const matrix4x4 in1 );
-
-void R_StudioSlerpBones( int numbones, vec4_t q1[], float pos1[][3], const vec4_t q2[], const float pos2[][3], float s );
-void R_StudioCalcBoneQuaternion( int frame, float s, const mstudiobone_t *pbone, const mstudioanim_t *panim, const float *adj, vec4_t q );
-void R_StudioCalcBonePosition( int frame, float s, const mstudiobone_t *pbone, const mstudioanim_t *panim, const vec3_t adj, vec3_t pos );
-
-int BoxOnPlaneSide( const vec3_t emins, const vec3_t emaxs, const mplane_t *p );
-#define BOX_ON_PLANE_SIDE( emins, emaxs, p )			\
-	((( p )->type < 3 ) ?				\
-	(						\
-		((p)->dist <= (emins)[(p)->type]) ?		\
-			1				\
-		:					\
-		(					\
-			((p)->dist >= (emaxs)[(p)->type]) ?	\
-				2			\
-			:				\
-				3			\
-		)					\
-	)						\
-	:						\
-		BoxOnPlaneSide(( emins ), ( emaxs ), ( p )))
-
-extern vec3_t		vec3_origin;
-extern int		boxpnt[6][4];
-extern const matrix3x4	m_matrix3x4_identity;
-extern const matrix4x4	m_matrix4x4_identity;
-extern const float		m_bytenormals[NUMVERTEXNORMALS][3];
+	for( i = 0; i < numbones; i++ )
+	{
+		QuaternionSlerp( q1[i], q2[i], s, q1[i] );
+		VectorLerp( pos1[i], s, pos2[i], pos1[i] );
+	}
+}
 
 #endif // XASH3D_MATHLIB_H
-

ref/gl/gl_context.c

@@ -27,6 +27,16 @@ ref_globals_t *gpGlobals;
 ref_client_t  *gp_cl;
 ref_host_t    *gp_host;
 
+void _Mem_Free( void *data, const char *filename, int fileline )
+{
+	gEngfuncs._Mem_Free( data, filename, fileline );
+}
+
+void *_Mem_Alloc( poolhandle_t poolptr, size_t size, qboolean clear, const char *filename, int fileline )
+{
+	return gEngfuncs._Mem_Alloc( poolptr, size, clear, filename, fileline );
+}
+
 static void R_ClearScreen( void )
 {
 	pglClearColor( 0.0f, 0.0f, 0.0f, 0.0f );

ref/gl/gl_local.h

@@ -782,10 +782,14 @@ DECLARE_ENGINE_SHARED_CVAR_LIST()
 //
 #include "crtlib.h"
 
-#define Mem_Malloc( pool, size ) gEngfuncs._Mem_Alloc( pool, size, false, __FILE__, __LINE__ )
-#define Mem_Calloc( pool, size ) gEngfuncs._Mem_Alloc( pool, size, true, __FILE__, __LINE__ )
+void _Mem_Free( void *data, const char *filename, int fileline );
+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;
+
+#define Mem_Malloc( pool, size ) _Mem_Alloc( pool, size, false, __FILE__, __LINE__ )
+#define Mem_Calloc( pool, size ) _Mem_Alloc( pool, size, true, __FILE__, __LINE__ )
 #define Mem_Realloc( pool, ptr, size ) gEngfuncs._Mem_Realloc( pool, ptr, size, true, __FILE__, __LINE__ )
-#define Mem_Free( mem ) gEngfuncs._Mem_Free( mem, __FILE__, __LINE__ )
+#define Mem_Free( mem ) _Mem_Free( mem, __FILE__, __LINE__ )
 #define Mem_AllocPool( name ) gEngfuncs._Mem_AllocPool( name, __FILE__, __LINE__ )
 #define Mem_FreePool( pool ) gEngfuncs._Mem_FreePool( pool, __FILE__, __LINE__ )
 #define Mem_EmptyPool( pool ) gEngfuncs._Mem_EmptyPool( pool, __FILE__, __LINE__ )

ref/soft/r_context.c

@@ -23,6 +23,17 @@ gl_globals_t tr;
 ref_speeds_t r_stats;
 poolhandle_t r_temppool;
 viddef_t vid;
+
+void _Mem_Free( void *data, const char *filename, int fileline )
+{
+	gEngfuncs._Mem_Free( data, filename, fileline );
+}
+
+void *_Mem_Alloc( poolhandle_t poolptr, size_t size, qboolean clear, const char *filename, int fileline )
+{
+	return gEngfuncs._Mem_Alloc( poolptr, size, clear, filename, fileline );
+}
+
 static void GAME_EXPORT R_ClearScreen( void )
 {
 

ref/soft/r_local.h

@@ -1237,10 +1237,14 @@ void R_SetUpWorldTransform (void);
 #include "crtlib.h"
 #include "crclib.h"
 #if 1
-#define Mem_Malloc( pool, size ) gEngfuncs._Mem_Alloc( pool, size, false, __FILE__, __LINE__ )
-#define Mem_Calloc( pool, size ) gEngfuncs._Mem_Alloc( pool, size, true, __FILE__, __LINE__ )
+void _Mem_Free( void *data, const char *filename, int fileline );
+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;
+
+#define Mem_Malloc( pool, size ) _Mem_Alloc( pool, size, false, __FILE__, __LINE__ )
+#define Mem_Calloc( pool, size ) _Mem_Alloc( pool, size, true, __FILE__, __LINE__ )
 #define Mem_Realloc( pool, ptr, size ) gEngfuncs._Mem_Realloc( pool, ptr, size, true, __FILE__, __LINE__ )
-#define Mem_Free( mem ) gEngfuncs._Mem_Free( mem, __FILE__, __LINE__ )
+#define Mem_Free( mem ) _Mem_Free( mem, __FILE__, __LINE__ )
 #define Mem_AllocPool( name ) gEngfuncs._Mem_AllocPool( name, __FILE__, __LINE__ )
 #define Mem_FreePool( pool ) gEngfuncs._Mem_FreePool( pool, __FILE__, __LINE__ )
 #define Mem_EmptyPool( pool ) gEngfuncs._Mem_EmptyPool( pool, __FILE__, __LINE__ )

wscript

@@ -79,8 +79,10 @@ SUBDIRS = [
 	Subproject('ref/gl',                lambda x: not x.env.DEDICATED and (x.env.GL or x.env.NANOGL or x.env.GLWES or x.env.GL4ES)),
 	Subproject('ref/soft',              lambda x: not x.env.DEDICATED and not x.env.SUPPORT_BSP2_FORMAT and x.env.SOFT),
 	Subproject('ref/null',              lambda x: not x.env.DEDICATED and x.env.NULL),
+	Subproject('3rdparty/bzip2',        lambda x: not x.env.DEDICATED and not x.env.HAVE_SYSTEM_BZ2),
 	Subproject('3rdparty/mainui',       lambda x: not x.env.DEDICATED),
 	Subproject('3rdparty/vgui_support', lambda x: not x.env.DEDICATED),
+#	Subproject('3rdparty/freevgui',     lambda x: not x.env.DEDICATED),
 	Subproject('stub/client',           lambda x: not x.env.DEDICATED),
 	Subproject('game_launch',           lambda x: not x.env.DISABLE_LAUNCHER),
 
@@ -227,12 +229,10 @@ def configure(conf):
 	elif conf.env.DEST_OS == 'nswitch':
 		conf.options.NO_VGUI          = True
 		conf.options.GL               = True
-		conf.options.NO_ASYNC_RESOLVE = True
 		conf.options.USE_STBTT        = True
 	elif conf.env.DEST_OS == 'psvita':
 		conf.options.NO_VGUI          = True
 		conf.options.GL               = True
-		conf.options.NO_ASYNC_RESOLVE = True
 		conf.options.USE_STBTT        = True
 		# we'll specify -fPIC by hand for shared libraries only
 		enforce_pic                   = False
@@ -307,9 +307,10 @@ def configure(conf):
 			'-Werror=alloc-size',
 			'-Werror=bool-compare',
 			'-Werror=bool-operation',
-			'-Werror=cast-align=strict',
+			# '-Werror=cast-align=strict',
 			'-Werror=duplicated-cond',
 			'-Werror=format-extra-args',
+			'-Werror=free-nonheap-object',
 			'-Werror=implicit-fallthrough=2',
 			'-Werror=logical-op',
 			'-Werror=nonnull',
@@ -334,6 +335,7 @@ def configure(conf):
 			'-Wformat=2',
 			'-Winit-self',
 			'-Wmisleading-indentation',
+			'-Wmismatched-dealloc',
 			'-Wstringop-overflow',
 			'-Wunintialized',
 
@@ -458,6 +460,13 @@ int main(void) { return !opus_custom_encoder_init((OpusCustomEncoder *)1, (const
 			if conf.check_cc(msg='Checking if opus supports custom modes', defines='CUSTOM_MODES=1', use='opus werror', fragment=frag, mandatory=False):
 				conf.env.HAVE_SYSTEM_OPUS = True
 
+		# search for bzip2
+		BZIP2_CHECK='''#include <bzlib.h>
+int main(void) { return (int)BZ2_bzlibVersion(); }'''
+
+		if conf.check_cc(lib='bz2', fragment=BZIP2_CHECK, uselib_store='bzip2', mandatory=False):
+			conf.env.HAVE_SYSTEM_BZ2 = True
+
 	conf.define('XASH_LOW_MEMORY', conf.options.LOW_MEMORY)
 
 	for i in SUBDIRS: