FIX (Ters) array overflow in simgraph16

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@8197 8aca7d54-2c30-db11-9de9-000461428c89
sazarina · Apr 7, 2017 · 6d9928c · 6d9928c
1 parent 2d03b7a
commit 6d9928c
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/display/simgraph16.cc b/display/simgraph16.cc
@@ -731,7 +731,8 @@ uint32 get_color_rgb(uint8 idx)
 	}
 	// if it uses one of the special colours it's under display_day_lights
 	if (idx <= 224 + LIGHT_COUNT) {
-		return display_day_lights[idx*3 + 0]<<16 | display_day_lights[idx*3 + 1]<<8 | display_day_lights[idx*3 + 2];
+		uint8 lidx = idx - 224;
+		return display_day_lights[lidx*3 + 0]<<16 | display_day_lights[lidx*3 + 1]<<8 | display_day_lights[lidx*3 + 2];
 	}
 	// Return black for anything else
 	return 0;