From 491ab013f126a2a19c9e9cfb121e2f7fca67b58d Mon Sep 17 00:00:00 2001
From: johni0702 <me@johni0702.de>
Date: Sun, 8 Nov 2015 08:59:35 +0100
Subject: [PATCH] Fix scissor test being enabled while no area is set

---
 .../java/de/johni0702/minecraft/gui/OffsetGuiRenderer.java | 7 +++++--
 .../gui/element/advanced/AbstractGuiDropdownMenu.java      | 7 ++++++-
 2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/src/main/java/de/johni0702/minecraft/gui/OffsetGuiRenderer.java b/src/main/java/de/johni0702/minecraft/gui/OffsetGuiRenderer.java
index 78329332..8a2fb03c 100644
--- a/src/main/java/de/johni0702/minecraft/gui/OffsetGuiRenderer.java
+++ b/src/main/java/de/johni0702/minecraft/gui/OffsetGuiRenderer.java
@@ -92,7 +92,10 @@ public class OffsetGuiRenderer implements GuiRenderer {
 
     @Override
     public void setDrawingArea(int x, int y, int width, int height) {
-        if (!strict) return;
+        if (!strict) {
+            renderer.setDrawingArea(x + position.getX(), y + position.getY(), width, height);
+            return;
+        }
         int x2 = x + width;
         int y2 = y + height;
         // Convert and clamp top and left border
@@ -111,7 +114,7 @@ public class OffsetGuiRenderer implements GuiRenderer {
     public void startUsing() {
         GL11.glPushAttrib(GL11.GL_SCISSOR_BIT);
         GL11.glEnable(GL11.GL_SCISSOR_TEST);
-        setDrawingArea(0, 0, Integer.MAX_VALUE, Integer.MAX_VALUE);
+        setDrawingArea(0, 0, size.getWidth(), size.getHeight());
     }
 
     public void stopUsing() {
diff --git a/src/main/java/de/johni0702/minecraft/gui/element/advanced/AbstractGuiDropdownMenu.java b/src/main/java/de/johni0702/minecraft/gui/element/advanced/AbstractGuiDropdownMenu.java
index d36af178..21bd4931 100644
--- a/src/main/java/de/johni0702/minecraft/gui/element/advanced/AbstractGuiDropdownMenu.java
+++ b/src/main/java/de/johni0702/minecraft/gui/element/advanced/AbstractGuiDropdownMenu.java
@@ -112,7 +112,12 @@ public abstract class AbstractGuiDropdownMenu<V, T extends AbstractGuiDropdownMe
             ReadablePoint offsetPoint = new Point(0, size.getHeight());
             ReadableDimension offsetSize = new Dimension(size.getWidth(), (fontRenderer.FONT_HEIGHT + 5) *  values.length);
             OffsetGuiRenderer offsetRenderer = new OffsetGuiRenderer(renderer, offsetPoint, offsetSize);
-            dropdown.draw(offsetRenderer, offsetSize, renderInfo.offsetMouse(0, offsetPoint.getY()).layer(0));
+            offsetRenderer.startUsing();
+            try {
+                dropdown.draw(offsetRenderer, offsetSize, renderInfo.offsetMouse(0, offsetPoint.getY()).layer(0));
+            } finally {
+                offsetRenderer.stopUsing();
+            }
         }
     }