From 397f30e6f7f701a3ec19153d05d8897eb0675051 Mon Sep 17 00:00:00 2001
From: BlackHole <black-hole@live.com>
Date: Fri, 22 Apr 2016 16:43:47 +0200
Subject: [PATCH] Don't tick blocks if neighbor chunks aren't loaded


diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
index a6687c9..0668887 100644
--- a/src/main/java/net/minecraft/server/WorldServer.java
+++ b/src/main/java/net/minecraft/server/WorldServer.java
@@ -418,6 +418,7 @@ public class WorldServer extends World implements IAsyncTaskHandler {
                 chunk.n();
                 this.methodProfiler.c("tickChunk");
                 chunk.b(false);
+                if ( !chunk.areNeighborsLoaded( 1 ) ) continue; // Spigot
                 this.methodProfiler.c("thunder");
                 int l;
                 BlockPosition blockposition;
-- 
2.7.4