From 3630dc724d758acf860129176d817fd2f43b41d5 Mon Sep 17 00:00:00 2001
From: Steveplays28 <djspaargaren@outlook.com>
Date: Tue, 22 Aug 2023 10:52:19 +0200
Subject: [PATCH] fix: Add `null` check to config GUI when adding a screen
 change listener

---
 .../presets/AbstractPresetConfigEventHandler.java           | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/core/src/main/java/com/seibel/distanthorizons/core/config/eventHandlers/presets/AbstractPresetConfigEventHandler.java b/core/src/main/java/com/seibel/distanthorizons/core/config/eventHandlers/presets/AbstractPresetConfigEventHandler.java
index 343af2b65..a524a3e59 100644
--- a/core/src/main/java/com/seibel/distanthorizons/core/config/eventHandlers/presets/AbstractPresetConfigEventHandler.java
+++ b/core/src/main/java/com/seibel/distanthorizons/core/config/eventHandlers/presets/AbstractPresetConfigEventHandler.java
@@ -1,8 +1,10 @@
 package com.seibel.distanthorizons.core.config.eventHandlers.presets;
 
+import com.seibel.distanthorizons.core.api.internal.SharedApi;
 import com.seibel.distanthorizons.core.config.ConfigEntryWithPresetOptions;
 import com.seibel.distanthorizons.core.config.listeners.IConfigListener;
 import com.seibel.distanthorizons.core.dependencyInjection.SingletonInjector;
+import com.seibel.distanthorizons.core.world.EWorldEnvironment;
 import com.seibel.distanthorizons.core.wrapperInterfaces.config.IConfigGui;
 import com.seibel.distanthorizons.coreapi.interfaces.config.IConfigEntry;
 import com.seibel.distanthorizons.coreapi.util.StringUtil;
@@ -35,7 +37,9 @@ public abstract class AbstractPresetConfigEventHandler<TPresetEnum extends Enum<
 	
 	public AbstractPresetConfigEventHandler()
 	{
-		configGui.addOnScreenChangeListener(() -> this.onConfigUiClosed());
+		if (configGui != null) {
+			configGui.addOnScreenChangeListener(this::onConfigUiClosed);
+		}
 	}