rnd-20050608-1-src

[rocksndiamonds.git] / src / libgame / system.c

diff --git a/src/libgame/system.c b/src/libgame/system.c
index 78fd020039b03ff13ba6895e349387b51c2b8133..1206c9ad391ccc6633a706bd7f5c8013978fbd2a 100644 (file)
--- a/src/libgame/system.c
+++ b/src/libgame/system.c
@@ -213,6 +213,8 @@ static void DrawBitmapFromTile(Bitmap *bitmap, Bitmap *tile,
 
 void SetBackgroundBitmap(Bitmap *background_bitmap_tile, int mask)
 {
+  /* !!! THIS DOES NOT WORK !!! REPLACED BITMAPS MAY HAVE SAME ADDRESS !!! */
+#if 0
   static Bitmap *main_bitmap_tile = NULL;
   static Bitmap *door_bitmap_tile = NULL;
 
@@ -226,14 +228,15 @@ void SetBackgroundBitmap(Bitmap *background_bitmap_tile, int mask)
   else if (mask == REDRAW_DOOR_1)
   {
     if (background_bitmap_tile == door_bitmap_tile)
-      return;  /* main background tile has not changed */
+      return;          /* main background tile has not changed */
 
     door_bitmap_tile = background_bitmap_tile;
   }
-  else         /* should not happen */
+  else                 /* should not happen */
     return;
+#endif
 
-  if (background_bitmap_tile)
+  if (background_bitmap_tile != NULL)
     gfx.background_bitmap_mask |= mask;
   else
     gfx.background_bitmap_mask &= ~mask;
@@ -249,10 +252,12 @@ void SetBackgroundBitmap(Bitmap *background_bitmap_tile, int mask)
     DrawBitmapFromTile(gfx.background_bitmap, background_bitmap_tile,
                       gfx.real_sx, gfx.real_sy,
                       gfx.full_sxsize, gfx.full_sysize);
-  else
+  else if (mask == REDRAW_DOOR_1)
+  {
     DrawBitmapFromTile(gfx.background_bitmap, background_bitmap_tile,
                       gfx.dx, gfx.dy,
                       gfx.dxsize, gfx.dysize);
+  }
 }
 
 void SetMainBackgroundBitmap(Bitmap *background_bitmap_tile)
@@ -439,8 +444,13 @@ inline boolean DrawingDeactivated(int x, int y, int width, int height)
 
 inline boolean DrawingOnBackground(int x, int y)
 {
+#if 1
+  return (CheckDrawingArea(x, y, 1, 1, gfx.background_bitmap_mask) &&
+         CheckDrawingArea(x, y, 1, 1, gfx.draw_background_mask));
+#else
   return ((gfx.draw_background_mask & gfx.background_bitmap_mask) &&
          CheckDrawingArea(x, y, 1, 1, gfx.draw_background_mask));
+#endif
 }
 
 inline void BlitBitmap(Bitmap *src_bitmap, Bitmap *dst_bitmap,