C++ (Cpp) CheckIfAlreadyRunning Examples

Example #1

File: WinMain.cpp Project: SmegheadSev/fortisrenes3

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
    MSG		msg;	//	Generic message.
    HWND	hWnd;	//	Main Window Handle.

    // Don't let more than one instance of the application exist
    //
    // NOTE:	Comment out the following section of code if your game needs to have more
    //			than one instance running on the same computer (i.e. client/server)
    ////////////////////////////////////////////////////////////////////////
    if (!hPrevInstance)
    {
        if (CheckIfAlreadyRunning())
            return FALSE;
    }
    ////////////////////////////////////////////////////////////////////////

    //	Register the window class
    if (!RegisterWindowClass(hInstance))
        return 0;

    //	Create the window
    hWnd = MakeWindow(hInstance);

    if (!hWnd)
        return 0;

    ShowWindow(hWnd, nCmdShow);
    UpdateWindow(hWnd);

    //////////////////////////////////////////
    //	Initialize Game here
    //////////////////////////////////////////
    CGame* pGame = CGame::GetInstance();

    pGame->Initialize( hWnd, hInstance, g_nWINDOW_WIDTH, g_nWINDOW_HEIGHT, g_bIS_WINDOWED );


    //////////////////////////////////////////

    //	Enter main event loop
    while (TRUE)
    {
        if (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
        {
            //	Test if this is a quit
            if (msg.message == WM_QUIT)
                break;

            //	Translate any accelerator keys
            TranslateMessage(&msg);

            //	Send the message to the window proc
            DispatchMessage(&msg);
        }

        //////////////////////////////////
        //	Put Game Logic Here
        //////////////////////////////////
        if( pGame->Main() == false )
            PostQuitMessage(0);


        //////////////////////////////////
    }

    /////////////////////////////////////////
    //	Shutdown Game Here
    /////////////////////////////////////////

    pGame->Shutdown();

    /////////////////////////////////////////


    //	Unregister the window class
    UnregisterClass(g_szWINDOW_CLASS_NAME, hInstance);

    //	Return to Windows like this.
    return (int)(msg.wParam);
}

Example #2

File: WinMain.cpp Project: BGCX261/zombie-maul-svn-to-git

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{

	srand((unsigned int)time(NULL));
	/////////////////////////////////////////////
	// Do any program wide Initialization here
	//_CrtSetDbgFlag( _CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF);
	//_CrtSetBreakAlloc(45755);
	/////////////////////////////////////////////

	MSG		msg;	//	Generic message.
	HWND	hWnd;	//	Main Window Handle.


	//	if in release mode set the exception filter to write out a dump file
#ifndef _DEBUG
	SetUnhandledExceptionFilter(Handler);
#endif

	// Don't let more than one instance of the application exist
	//
	// NOTE:	Comment out the following section of code if your game needs to have more
	//			than one instance running on the same computer (i.e. client/server)
	////////////////////////////////////////////////////////////////////////
	if (!hPrevInstance)
	{
		if (CheckIfAlreadyRunning())
			return FALSE;
	}
	////////////////////////////////////////////////////////////////////////

	//	Register the window class
	if (!RegisterWindowClass(hInstance))
		return 0;

	//	Create the window
	hWnd = MakeWindow(hInstance);

	if (!hWnd)
		return 0;

	ShowWindow(hWnd, nCmdShow);
	UpdateWindow(hWnd);

	//////////////////////////////////////////
	//	Initialize Game here
	//////////////////////////////////////////
	
	CGame* pGame = CGame::GetInstance();
	pGame->Initialize(hWnd,hInstance, g_nWINDOW_WIDTH, g_nWINDOW_HEIGHT, g_bIS_WINDOWED);

	//////////////////////////////////////////

	//	Enter main event loop
	while (TRUE)
	{
		if (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
		{ 
			//	Test if this is a quit
			if (msg.message == WM_QUIT)
				break;
		
			//	Translate any accelerator keys
			TranslateMessage(&msg);

			//	Send the message to the window proc
			DispatchMessage(&msg);
		}
		
		//////////////////////////////////
		//	Put Game Logic Here
		//////////////////////////////////
		
		if(pGame->Main() == false)
			PostQuitMessage(0);
		
		//////////////////////////////////
	}

	/////////////////////////////////////////
	//	Shutdown Game Here
	/////////////////////////////////////////
	
	pGame->Shutdown();

	/////////////////////////////////////////
	
	
	//	Unregister the window class
	UnregisterClass(g_szWINDOW_CLASS_NAME, hInstance);

	//	Return to Windows like this.
	return (int)(msg.wParam);
}

Example #3

File: WinMain.cpp Project: DevinWhitaker/You_are_a_hero

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
	MSG		msg;	//	Generic message.
	HWND	hWnd;	//	Main Window Handle.

#if _DUMP
	//	if in release mode set the exception filter to write out a dump file
#ifndef _DEBUG
	SetUnhandledExceptionFilter(Handler);
#endif
#endif

	// Don't let more than one instance of the application exist
	if (!hPrevInstance)
	{
		if (CheckIfAlreadyRunning())
			return FALSE;
	}

	//	Register the window class
	if (!RegisterWindowClass(hInstance))
		return 0;

	//	Create the window
	hWnd = MakeWindow(hInstance);

	if (!hWnd)
		return 0;

	ShowWindow(hWnd, nCmdShow);
	UpdateWindow(hWnd);

#if _DEBUG
	///////////////////////////////////////////////////////////
	//Allow console window for debuging
	//Code By:
	//http://justcheckingonall.wordpress.com/2008/08/29/console-window-win32-app/
	///////////////////////////////////////////////////////////
	AllocConsole();

    HANDLE handle_out = GetStdHandle(STD_OUTPUT_HANDLE);
    int hCrt = _open_osfhandle((long) handle_out, _O_TEXT);
    FILE* hf_out = _fdopen(hCrt, "w");
    setvbuf(hf_out, NULL, _IONBF, 1);
    *stdout = *hf_out;

    HANDLE handle_in = GetStdHandle(STD_INPUT_HANDLE);
    hCrt = _open_osfhandle((long) handle_in, _O_TEXT);
    FILE* hf_in = _fdopen(hCrt, "r");
    setvbuf(hf_in, NULL, _IONBF, 128);
    *stdin = *hf_in;
	////////////////////////////////////////////////////////////
#endif

	//////////////////////////////////////////
	//	Initialize Game here
	//////////////////////////////////////////

	//TODO: delete all of...
	CSGD_Direct3D* pD3D = CSGD_Direct3D::GetInstance();
	pD3D->Initialize( hWnd, g_nWINDOW_WIDTH, g_nWINDOW_HEIGHT, g_bIS_WINDOWED, false );
	CSGD_TextureManager::GetInstance()->Initialize( pD3D->GetDirect3DDevice(), pD3D->GetSprite() );
	CSGD_DirectInput::GetInstance()->Initialize( hWnd, hInstance, DI_KEYBOARD | DI_MOUSE );
	//...this 

	Game cGameInstance;
	cGameInstance.Initialize();
	pGamePtr = &cGameInstance;
	//////////////////////////////////////////

	//	Enter main event loop
	while (TRUE)
	{
		if (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
		{ 
			//	Test if this is a quit
			if (msg.message == WM_QUIT)
				break;
		
			//	Translate any accelerator keys
			TranslateMessage(&msg);

			//	Send the message to the window proc
			DispatchMessage(&msg);
		}
		
		//////////////////////////////////
		//	Put Game Logic Here
		//////////////////////////////////
		cGameInstance.Run();
		//////////////////////////////////
	}

	/////////////////////////////////////////
	//	Shutdown Game Here
	/////////////////////////////////////////
	cGameInstance.Shutdown();
	/////////////////////////////////////////
	
	
	//	Unregister the window class
	UnregisterClass(g_szWINDOW_CLASS_NAME, hInstance);
	
	//	Return to Windows like this.
	return (int)(msg.wParam);
}