X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Flibgame%2Fsystem.c;h=a87ecc837f15206351dd228e89bedcf25512a925;hb=88a1829af8ca41b6e581f209002022b2483b86df;hp=ed51e626a8f473747e4b9644c532f95e76b9b490;hpb=499ad3bb12d513266ddcebe41a84eee8237a7fb5;p=rocksndiamonds.git

diff --git a/src/libgame/system.c b/src/libgame/system.c
index ed51e626..a87ecc83 100644
--- a/src/libgame/system.c
+++ b/src/libgame/system.c
@@ -525,6 +525,18 @@ Bitmap *CreateBitmap(int width, int height, int depth)
 
 void ReCreateBitmap(Bitmap **bitmap, int width, int height)
 {
+  if (*bitmap != NULL)
+  {
+    /* if new bitmap size fits into old one, no need to re-create it */
+    if (width  <= (*bitmap)->width &&
+        height <= (*bitmap)->height)
+      return;
+
+    /* else adjust size so that old and new bitmap size fit into it */
+    width  = MAX(width,  (*bitmap)->width);
+    height = MAX(height, (*bitmap)->height);
+  }
+
   Bitmap *new_bitmap = CreateBitmap(width, height, DEFAULT_DEPTH);
 
   if (*bitmap == NULL)
@@ -1481,9 +1493,9 @@ boolean PendingEvent(void)
   return (SDL_PollEvent(NULL) ? TRUE : FALSE);
 }
 
-void NextEvent(Event *event)
+void WaitEvent(Event *event)
 {
-  SDLNextEvent(event);
+  SDLWaitEvent(event);
 }
 
 void PeekEvent(Event *event)
@@ -1495,6 +1507,12 @@ void PeekEvent(Event *event)
 #endif
 }
 
+void CheckQuitEvent(void)
+{
+  if (SDL_QuitRequested())
+    program.exit_function(0);
+}
+
 Key GetEventKey(KeyEvent *event, boolean with_modifiers)
 {
 #if defined(TARGET_SDL2)