X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Ftools.c;h=6c990cbc2cb956ff1cf009e92bfef32a56f4493d;hb=92452198bec9ed9273bb24f542367359029470a3;hp=b07e19d37ee75fd9b92f6835d43513a67fa55f74;hpb=8d71e6fb8309bd90ce5f2900d84c686b17950492;p=rocksndiamonds.git

diff --git a/src/tools.c b/src/tools.c
index b07e19d3..6c990cbc 100644
--- a/src/tools.c
+++ b/src/tools.c
@@ -759,6 +759,13 @@ void BackToFront()
       y2 = MAX(y2, EY + EYSIZE);
     }
 
+    // make sure that at least one pixel is blitted, and inside the screen
+    // (else nothing is blitted, causing the animations not to be updated)
+    x1 = MIN(MAX(0, x1), WIN_XSIZE - 1);
+    y1 = MIN(MAX(0, y1), WIN_YSIZE - 1);
+    x2 = MIN(MAX(1, x2), WIN_XSIZE);
+    y2 = MIN(MAX(1, y2), WIN_YSIZE);
+
     BlitBitmap(backbuffer, window, x1, y1, x2 - x1, y2 - y1, x1, y1);
   }
 
@@ -3729,6 +3736,9 @@ void WaitForEventToContinue()
 {
   boolean still_wait = TRUE;
 
+  if (program.headless)
+    return;
+
   /* simulate releasing mouse button over last gadget, if still pressed */
   if (button_status)
     HandleGadgets(-1, -1, 0);