From b27095b3504383d5a63580a133e7c7bc74789905 Mon Sep 17 00:00:00 2001
From: johni0702 <me@johni0702.de>
Date: Sat, 14 Nov 2015 14:30:52 +0100
Subject: [PATCH] Return null from GuiScreen#from(mc.GuiScreen) in case of
 failure

---
 .../java/de/johni0702/minecraft/gui/container/GuiScreen.java   | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/main/java/de/johni0702/minecraft/gui/container/GuiScreen.java b/src/main/java/de/johni0702/minecraft/gui/container/GuiScreen.java
index d6af5425..399c66dd 100644
--- a/src/main/java/de/johni0702/minecraft/gui/container/GuiScreen.java
+++ b/src/main/java/de/johni0702/minecraft/gui/container/GuiScreen.java
@@ -25,6 +25,9 @@ package de.johni0702.minecraft.gui.container;
 public class GuiScreen extends AbstractGuiScreen<GuiScreen> {
     @SuppressWarnings("unchecked")
     public static GuiScreen from(net.minecraft.client.gui.GuiScreen minecraft) {
+        if (!(minecraft instanceof GuiScreen.MinecraftGuiScreen)) {
+            return null;
+        }
         return ((GuiScreen.MinecraftGuiScreen) minecraft).getWrapper();
     }