From 0502654628ce7f4128d9f3cd5b68e54918007250 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sat, 18 Apr 2020 15:59:41 -0400
Subject: [PATCH] Don't crash if player is attempted to be removed from
untracked chunk.
I suspect it deals with teleporting as it uses players current x/y/z
diff --git a/src/main/java/net/minecraft/server/ChunkMapDistance.java b/src/main/java/net/minecraft/server/ChunkMapDistance.java
index 0244768f..279c7a85 100644
--- a/src/main/java/net/minecraft/server/ChunkMapDistance.java
+++ b/src/main/java/net/minecraft/server/ChunkMapDistance.java
@@ -226,6 +226,7 @@ public abstract class ChunkMapDistance {
public void b(SectionPosition sectionposition, EntityPlayer entityplayer) {
long i = sectionposition.u().pair();
ObjectSet<EntityPlayer> objectset = (ObjectSet) this.c.get(i);
+ if (objectset == null) return; // Paper - mitigate weird state mismatch that this chunk isn't tracked.
objectset.remove(entityplayer);
if (objectset.isEmpty()) {
--
2.25.1.windows.1
