mixins: use inverseAlpha, reset viewportColor

Blogans · Feb 19, 2021 · 669865d · 669865d
1 parent 197447f
commit 669865d
Show file tree

Hide file tree

Showing 2 changed files with 3 additions and 2 deletions.
diff --git a/runelite-mixins/src/main/java/net/runelite/mixins/RSClientMixin.java b/runelite-mixins/src/main/java/net/runelite/mixins/RSClientMixin.java
@@ -1575,7 +1575,7 @@ else if (widget.getType() == WidgetType.RECTANGLE)
 					int vpc = viewportColor;
 					int c1 = (alpha * (tc & 0xff00ff) >> 8 & 0xFF00FF) + (alpha * (tc & 0x00FF00) >> 8 & 0x00FF00);
 					int c2 = (inverseAlpha * (vpc & 0xff00ff) >> 8 & 0xFF00FF) + (inverseAlpha * (vpc & 0x00FF00) >> 8 & 0x00FF00);
-					int outAlpha = alpha + ((vpc >>> 24) * (255 - alpha) * 0x8081 >>> 23);
+					int outAlpha = inverseAlpha + ((vpc >>> 24) * (255 - alpha) * 0x8081 >>> 23);
 					viewportColor = outAlpha << 24 | c1 + c2;
 					widget.setHidden(true);
 					hiddenWidgets.add(widget);

diff --git a/runelite-mixins/src/main/java/net/runelite/mixins/RSGameEngineMixin.java b/runelite-mixins/src/main/java/net/runelite/mixins/RSGameEngineMixin.java
@@ -87,7 +87,8 @@ public void onPost(Object canvas)
 		DrawCallbacks drawCallbacks = client.getDrawCallbacks();
 		if (drawCallbacks != null)
 		{
-			drawCallbacks.draw(-viewportColor);
+			drawCallbacks.draw(viewportColor);
+			viewportColor = 0;
 		}
 	}