X-Git-Url: https://git.artsoft.org/?p=rocksndiamonds.git;a=blobdiff_plain;f=src%2Ftools.c;h=b8026898b0212a18490d2cfdac4e32b16eb76bde;hp=1d1c4ddab74dac7b8b66da271fc30c613a60ee7c;hb=c56ae03b51200429cfa20db7d61cfe907dc2e26e;hpb=34efaa3925a28cb95ecb05bf2c693c16f6edfe2f

diff --git a/src/tools.c b/src/tools.c
index 1d1c4dda..b8026898 100644
--- a/src/tools.c
+++ b/src/tools.c
@@ -117,13 +117,15 @@ void BackToFront()
 
       if (setup.soft_scrolling)
       {
-	fx += (ScreenMovDir & (MV_LEFT|MV_RIGHT) ? ScreenGfxPos : 0);
-	fy += (ScreenMovDir & (MV_UP|MV_DOWN)    ? ScreenGfxPos : 0);
+	fx += (ScreenMovDir & (MV_LEFT | MV_RIGHT) ? ScreenGfxPos : 0);
+	fy += (ScreenMovDir & (MV_UP | MV_DOWN)    ? ScreenGfxPos : 0);
       }
 
-      XCopyArea(display,buffer,window,gc,
-		fx,fy, SXSIZE,SYSIZE,
-		SX,SY);
+      if (setup.soft_scrolling ||
+	  ABS(ScreenGfxPos) + ScrollStepSize == TILEX ||
+	  ABS(ScreenGfxPos) == ScrollStepSize ||
+	  redraw_tiles > REDRAWTILES_THRESHOLD)
+	XCopyArea(display, buffer, window, gc, fx, fy, SXSIZE, SYSIZE, SX, SY);
     }
     redraw_mask &= ~REDRAW_MAIN;
   }