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 863aac39f4a8e9f2516ea96f8082fc565e365058..9865b93053a3ab9467cdc455cf06267317ebb3e9 100644 (file)
--- a/src/game_sp/DDSpriteBuffer.c
+++ b/src/game_sp/DDSpriteBuffer.c
@@ -11,21 +11,23 @@ static void Blt(int pX, int pY, Bitmap *bitmap, int SpriteX, int SpriteY)
   int scy = (mScrollY_last < 0 ? 0 : mScrollY_last);
   int sx1 = scx - 2 * TILEX;
   int sy1 = scy - 2 * TILEY;
-  int sx2 = scx + SXSIZE + 1 * TILEX;
-  int sy2 = scy + SYSIZE + 1 * TILEY;
-
+  int sx2 = scx + (SCR_FIELDX + 1) * TILEX;
+  int sy2 = scy + (SCR_FIELDY + 1) * TILEY;
   int sx = pX - sx1;
   int sy = pY - sy1;
 
   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;
 
-  BlitBitmap(bitmap, screenBitmap, SpriteX, SpriteY,
-            TILEX, TILEY, sx, sy);
+  sx = sx * TILESIZE_VAR / TILESIZE;
+  sy = sy * TILESIZE_VAR / TILESIZE;
+
+  BlitBitmap(bitmap, bitmap_db_field_sp, SpriteX, SpriteY,
+            TILEX_VAR, TILEY_VAR, sx, sy);
 }
 
 void DDSpriteBuffer_BltImg(int pX, int pY, int graphic, int sync_frame)
@@ -35,6 +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);