From 3d1cb5ac40229b00e8cb6a9cd0664bec45441c8c Mon Sep 17 00:00:00 2001
From: CraftBukkit/Spigot <noreply+git-craftbukkit@papermc.io>
Date: Mon, 19 Dec 2011 16:30:26 +0000
Subject: [PATCH] Fixed world.getHighestBlockYAt(x,z) returning 0 for existing
 but not loaded chunks. This fixes BUKKIT-327. Thanks for dredhorse for the
 pull request!

By: Nathan Adams <dinnerbone@dinnerbone.com>
---
 .../src/main/java/org/bukkit/craftbukkit/CraftWorld.java      | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/paper-server/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/paper-server/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
index d1139422e0..b1ee1cb670 100644
--- a/paper-server/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/paper-server/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -74,6 +74,10 @@ public class CraftWorld implements World {
     }
 
     public int getHighestBlockYAt(int x, int z) {
+        if (!isChunkLoaded(x >> 4, z >> 4)){
+            loadChunk(x >> 4, z >> 4);
+        }
+
         return world.getHighestBlockYAt(x, z);
     }