From f377496fe7dcf3bcae77e42b6ea3ab4efda4f73c Mon Sep 17 00:00:00 2001
From: Alfie Cleveland <alfeh@me.com>
Date: Sun, 9 Jul 2017 17:32:28 +0100
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 4225a7f5f..264358470 100644
--- a/src/main/java/net/minecraft/server/WorldServer.java
+++ b/src/main/java/net/minecraft/server/WorldServer.java
@@ -355,6 +355,7 @@ public class WorldServer extends World {
             this.timings.doTickTiles_tickingChunks_tickChunk.startTiming(); // Poweruser
             chunk.b(false);
             this.timings.doTickTiles_tickingChunks_tickChunk.stopTiming(); // Poweruser
+            if (!chunk.areNeighborsLoaded(1)) continue; // MineHQ
             this.methodProfiler.c("thunder");
             int i1;
             int j1;
-- 
2.13.3