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C-/C++-Quelltext

/*--------------------------------------------------------------------------------------------
Funktion: erzeugt das DDraw-Objekt + Primary Surface
--------------------------------------------------------------------------------------------*/
BOOL CDirectDraw::Init(WORD BB_Width,WORD BB_Height,WORD BB_Depth)
{
    //DirectDraw7-Objekt erzeugen

    if (FAILED(DirectDrawCreateEx(NULL,(VOID**)&Globals.m_lpDD7,IID_IDirectDraw7,NULL)))
    {
        return FALSE;
    }

    //Kooperationseben festlegen,FullScreen bzw. Fenstermodus

    if(FAILED(Globals.m_lpDD7->SetCooperativeLevel(Globals.m_hWnd,DDSCL_EXCLUSIVE | DDSCL_FULLSCREEN | DDSCL_ALLOWREBOOT)))
    {
        return FALSE;
    }

    //Bildschirmmodus setzen - nur fullscreen

    if(FAILED(Globals.m_lpDD7->SetDisplayMode(BB_Width,BB_Height,BB_Depth,0,0)))
    {
        return FALSE;
    }

    //Primäre Oberfläche erzeugen

    DDSURFACEDESC2 ddsd;
    ZeroMemory(&ddsd,sizeof(ddsd));

    ddsd.dwSize = sizeof(ddsd);
    ddsd.dwFlags = DDSD_CAPS | DDSD_BACKBUFFERCOUNT;
    ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE | DDSCAPS_FLIP | DDSCAPS_COMPLEX;
    ddsd.dwBackBufferCount = 1;
    
    if(FAILED(Globals.m_lpDD7->CreateSurface(&ddsd,&m_lpFrontBuffer,NULL)))
    {
        return FALSE;
    }

    //Backbufferzeiger holen - nur Fullscreen

    DDSCAPS2 ddsCaps;
    ZeroMemory(&ddsCaps,sizeof(DDSCAPS2));
    ddsCaps.dwCaps = DDSCAPS_BACKBUFFER;
    if(FAILED(m_lpFrontBuffer->GetAttachedSurface(&ddsCaps, &Globals.m_lpBackBuffer)))
    {
        return FALSE;
    }

    Globals.m_iWidth = BB_Width;
    Globals.m_iHeight = BB_Height;

    //Clipper erzeugen

    Globals.m_lpDD7->CreateClipper(0,&m_lpClipper,NULL);
    m_lpClipper->SetHWnd(0,Globals.m_hWnd);
    Globals.m_lpBackBuffer->SetClipper(m_lpClipper);
   
    return TRUE;
}