Update Effects.cpp for consistent behavior when rendering special pat…

…terns
edubart · Mar 30, 2024 · 13fcb09 · 13fcb09
1 parent e6861d7
commit 13fcb09
Showing 1 changed file with 4 additions and 6 deletions.
diff --git a/src/client/effect.cpp b/src/client/effect.cpp
@@ -46,13 +46,11 @@ void Effect::drawEffect(const Point& dest, float scaleFactor, bool animate, int
         }
     }
 
-    int xPattern = offsetX % getNumPatternX();
-    if(xPattern < 0)
-        xPattern += getNumPatternX();
+    int xPattern = unsigned(offsetX) % getNumPatternX();
+    xPattern = 1 - xPattern - getNumPatternX();
+    if (xPattern < 0) xPattern += getNumPatternX();
 
-    int yPattern = offsetY % getNumPatternY();
-    if(yPattern < 0)
-        yPattern += getNumPatternY();
+    int yPattern = unsigned(offsetY) % getNumPatternY();
 
     rawGetThingType()->draw(dest, scaleFactor, 0, xPattern, yPattern, 0, animationPhase, lightView);
 }