src/game_sp/DirectDrawGlobals.c

   1 // ----------------------------------------------------------------------------
   2 // DirectDrawGlobals.c
   3 // ----------------------------------------------------------------------------
   4
   5 #include "DirectDrawGlobals.h"
   6
   7 // static char *VB_Name = "DirectDrawGlobals";
   8
   9 // --- Option Explicit
  10
  11 DirectX7 DirectX;
  12 DirectDraw7 DirectDraw;
  13 DirectDrawSurface7 PrimarySurface;
  14
  15 void InitDirectDraw(long hWndClip)
  16 {
  17   DDSURFACEDESC2 SD;
  18
  19   // DirectX = New DirectX7; // (handle this later, if needed)
  20   DirectDraw = DirectX.DirectDrawCreate("");
  21   DirectDraw.SetCooperativeLevel(0, DDSCL_NORMAL);
  22   // Create PrimarySurface:
  23   {
  24     SD.lFlags = DDSD_CAPS;
  25     SD.ddsCaps.lCaps = DDSCAPS_PRIMARYSURFACE;
  26   }
  27   PrimarySurface = DirectDraw.CreateSurface(SD);
  28   if (hWndClip != 0)
  29     ClipToWindow(hWndClip);
  30 }
  31
  32 void ReleaseDirectDraw()
  33 {
  34   SET_TO_NOTHING(&PrimarySurface, sizeof(PrimarySurface));
  35   SET_TO_NOTHING(&DirectDraw, sizeof(DirectDraw));
  36   SET_TO_NOTHING(&DirectX, sizeof(DirectX));
  37 }
  38
  39 void ClipToWindow(long hWnd)
  40 {
  41   DirectDrawClipper Clipper;
  42
  43   // create clipper
  44   Clipper = DirectDraw.CreateClipper(0);
  45   Clipper.SetHWnd(hWnd);
  46   PrimarySurface.SetClipper(Clipper);
  47   SET_TO_NOTHING(&Clipper, sizeof(Clipper));
  48 }