Initial sources

engine/utils/logger.cpp

@@ -0,0 +1,96 @@
+#include <assert.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <string.h>
+#include <memory.h>
+#include <time.h>
+
+#include <Windows.h>
+
+#include "utils/logger.h"
+
+static FILE* s_logFileHandle = NULL;
+static DWORD s_logOpenTime = 0;
+
+void logWriteMsg(const char* msg)
+{
+	DWORD dwCurrentTime = GetTickCount() - s_logOpenTime;
+
+	static char buffer[1024];
+	int len = sprintf(buffer, "%02lu:%02lu.%02lu: %s",
+			dwCurrentTime / 60000, dwCurrentTime / 1000 % 60, dwCurrentTime % 1000 / 10, msg);
+
+	if (s_logFileHandle)
+	{
+		fwrite(buffer, sizeof(char), len, s_logFileHandle);
+		fflush(s_logFileHandle);
+	}
+}
+
+static bool s_Initialized = false;
+
+void Logger::Init()
+{
+	s_logFileHandle = fopen("output.txt", "w");
+	assert(s_logFileHandle);
+
+	s_logOpenTime = GetTickCount();
+
+	s_Initialized = true;
+}
+
+void Logger::Shutdown()
+{
+	if (s_logFileHandle)
+	{
+		fclose(s_logFileHandle);
+		s_logFileHandle = NULL;
+	}
+}
+
+void Logger::LogPrint(const char* msg, ...)
+{
+	static char buffer[2048 * 2];
+
+	if (s_Initialized == false)
+		Logger::Init();
+	
+	va_list args;
+	va_start(args, msg);
+	vsprintf(buffer, msg, args);
+	va_end(args);
+
+	strcat(buffer, "\n");
+
+	OutputDebugStringA(buffer);
+
+	// write to console
+	fwrite(buffer, sizeof(char), strlen(buffer), stdout);
+
+	logWriteMsg(buffer);
+}
+
+void Logger::Error(const char* msg, ...)
+{
+	static char buffer[2048 * 2];
+	va_list args;
+	va_start(args, msg);
+	vsprintf(buffer, msg, args);
+	va_end(args);
+
+	strcat(buffer, "\n");
+
+	OutputDebugStringA(buffer);
+
+	// write to console
+	fwrite(buffer, sizeof(char), strlen(buffer), stdout);
+
+	logWriteMsg(buffer);
+
+	MessageBoxA(NULL, buffer, "Engine Error", MB_OK | MB_ICONERROR);
+
+//	if (IsDebuggerPresent())
+//		DebugBreak();
+	//else
+		exit(-1);
+}