From 013a29305258e4b008d3a097834631d367fd6ed2 Mon Sep 17 00:00:00 2001
From: James Seibel <jeseibel@gondtc.com>
Date: Sat, 27 May 2023 12:28:59 -0500
Subject: [PATCH] Fix a crash when stopping the world generator

---
 .../seibel/lod/core/generation/WorldGenerationQueue.java    | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/core/src/main/java/com/seibel/lod/core/generation/WorldGenerationQueue.java b/core/src/main/java/com/seibel/lod/core/generation/WorldGenerationQueue.java
index ff290b4ff..7b84fda3f 100644
--- a/core/src/main/java/com/seibel/lod/core/generation/WorldGenerationQueue.java
+++ b/core/src/main/java/com/seibel/lod/core/generation/WorldGenerationQueue.java
@@ -446,6 +446,12 @@ public class WorldGenerationQueue implements Closeable
 		this.inProgressGenTasksByLodPos.values().forEach(runningTaskGroup ->
 			{
 				CompletableFuture<Void> genFuture = runningTaskGroup.genFuture; // Do this to prevent it getting swapped out
+				if (genFuture == null)
+				{
+					// genFuture's shouldn't be null, but sometimes they are...
+					return;
+				}
+				
 				
 				if (cancelCurrentGeneration)
 				{