From feb0327d22feb285e47e7666d1d02da1b06dd289 Mon Sep 17 00:00:00 2001
From: Travis Watkins <amaranth@ubuntu.com>
Date: Sun, 19 Aug 2012 16:06:14 -0500
Subject: [PATCH] Check unload queue so we don't accidentally leave a chunk
 loaded

---
 src/main/java/net/minecraft/server/World.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index 3a1bdc1f47..b3bdccc372 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -197,7 +197,8 @@ public abstract class World implements IBlockAccess {
 
             for (int k1 = i; k1 <= l; ++k1) {
                 for (int l1 = k; l1 <= j1; ++l1) {
-                    if (!this.isChunkLoaded(k1, l1)) {
+                    // CraftBukkit - check unload queue too so we don't leak a chunk
+                    if (!this.isChunkLoaded(k1, l1) || ((WorldServer) this).chunkProviderServer.unloadQueue.contains(k1, l1)) {
                         return false;
                     }
                 }