SceneHandler *GELEngine = NULL;

LONG WINAPI TopLevelFilter(struct _EXCEPTION_POINTERS *ExceptionInfo)
{
	LONG rc = EXCEPTION_CONTINUE_SEARCH;
	HMODULE DllHandle = NULL;
	String DumpFileName;
	String ErrorMessage;
	MINIDUMPWRITEDUMP MiniDump;
	HANDLE DumpFile;
	char Str[MAX_PATH];
	bool ReadyToReport = false;

	if (GetModuleFileName(NULL, Str, MAX_PATH))
	{
		// Get the Absolute Path of the EXE and put the DumpFile.dmp there.
		PathRemoveFileSpec(Str);
		DumpFileName = Str;
		DumpFileName.append("\\CrashReport.dmp");
	}

	// Load the Debug Help library to help us with a stack trace
	DllHandle = LoadLibrary("DBGHELP.DLL");

	if (DllHandle)
	{
		// Get the address of the MiniDumpWriteDump() function inside the library
		MiniDump = (MINIDUMPWRITEDUMP) GetProcAddress(DllHandle, "MiniDumpWriteDump");

		if (MiniDump)
		{
			// create the file
			DumpFile = CreateFile(DumpFileName.c_str(), GENERIC_WRITE, FILE_SHARE_WRITE, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);

			if (DumpFile != INVALID_HANDLE_VALUE)
			{
				MINIDUMP_EXCEPTION_INFORMATION ExInfo;

				ExInfo.ThreadId = GetCurrentThreadId();
				ExInfo.ExceptionPointers = ExceptionInfo;
				ExInfo.ClientPointers = NULL;

				// Write the information into the dump
				if (MiniDump(GetCurrentProcess(), GetCurrentProcessId(), DumpFile, MiniDumpNormal, &ExInfo, NULL, NULL))
				{
					ReadyToReport = true;
					rc = EXCEPTION_EXECUTE_HANDLER;
				}else{
					ErrorMessage = "Failed to save dump file to CrashReport.dmp.";
				}
				
				CloseHandle(DumpFile);

				if (ReadyToReport)
				{
					// **********Report that a crash has happened**********
				}
			}else{
				ErrorMessage = "Cannot create CrashReport.dmp. File I/O error!";
			}

		}else{
			ErrorMessage = "Failed to attach to MiniDumpWriteDump(). DBGHELP.DLL might be too old?";
		}
	}else{
		ErrorMessage = "DBGHELP.DLL not found.";
	}

	if (ErrorMessage.size() > 0)
	{
		MessageBox(NULL, ErrorMessage.c_str(), GEL_ENGINE_NAME, MB_OK);
	}

	return rc;
}

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
	#ifdef _DEBUG
		_CrtSetDbgFlag(_CRTDBG_LEAK_CHECK_DF | _CRTDBG_ALLOC_MEM_DF | _CRTDBG_CHECK_ALWAYS_DF);
	#endif

	__try
	{
		// Attempt to create a Game Object
		GELEngine = new SceneHandler(hInstance, hPrevInstance, lpCmdLine, nCmdShow);

		// Run the Game
		if (GELEngine)
		{
			GELEngine->Loop();

			// Delete the Game Engine
			SAFE_DELETE(GELEngine);
		}

	} __except(TopLevelFilter(GetExceptionInformation()))
	{
		// An Error has occurred, delete the objects in memory
		if (GELEngine)
		{
			// Delete the Game Engine
			SAFE_DELETE(GELEngine);
		}

		return 0;
	}

	#ifdef _DEBUG
		if (_CrtDumpMemoryLeaks())
		{
			MessageBox(NULL, "Memory Leak Detected!", "Warning!", MB_OK);
		}
	#endif

	return 0;
}