changed comments from old to new style (one-line comments only)

[rocksndiamonds.git] / src / game_sp / DDSpriteBuffer.c

diff --git a/src/game_sp/DDSpriteBuffer.c b/src/game_sp/DDSpriteBuffer.c
index 261459adbd04ee65f594eeee4448b4c5ded80412..9865b93053a3ab9467cdc455cf06267317ebb3e9 100644 (file)
--- a/src/game_sp/DDSpriteBuffer.c
+++ b/src/game_sp/DDSpriteBuffer.c
@@ -19,7 +19,7 @@ static void Blt(int pX, int pY, Bitmap *bitmap, int SpriteX, int SpriteY)
   if (NoDisplayFlag)
     return;
 
-  /* do not draw fields that are outside the visible screen area */
+  // do not draw fields that are outside the visible screen area
   if (pX < sx1 || pX > sx2 || pY < sy1 || pY > sy2)
     return;
 
@@ -37,6 +37,9 @@ void DDSpriteBuffer_BltImg(int pX, int pY, int graphic, int sync_frame)
   if (NoDisplayFlag)
     return;
 
+  if (graphic < 0)
+    return;
+
   getGraphicSource_SP(&g, graphic, sync_frame, -1, -1);
 
   Blt(pX, pY, g.bitmap, g.src_x, g.src_y);