From 35cff16da572292785201dfb683413623efd0a43 Mon Sep 17 00:00:00 2001
From: feildmaster <admin@feildmaster.com>
Date: Thu, 23 Aug 2012 14:47:38 -0500
Subject: [PATCH] Fix EmptyChunk's not sending to the Client correctly. Fixes
 BUKKIT-2206

---
 src/main/java/net/minecraft/server/Packet51MapChunk.java | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/main/java/net/minecraft/server/Packet51MapChunk.java b/src/main/java/net/minecraft/server/Packet51MapChunk.java
index b3bb3a8c11..80b13e9b8b 100644
--- a/src/main/java/net/minecraft/server/Packet51MapChunk.java
+++ b/src/main/java/net/minecraft/server/Packet51MapChunk.java
@@ -183,6 +183,14 @@ public class Packet51MapChunk extends Packet {
             j += abyte2.length;
         }
 
+        // CraftBukkit start - Hackiest hack to have ever hacked.
+        // First of all, check to see if we flagged it to send, and all data is "0"
+        // This means that it's an "EmptyChunk," HOWEVER... It's not a physical EmptyChunk on the server, there is simply no data present
+        if (flag && i == 0xffff && k == 0 && chunkmap.b == 0 && chunkmap.c == 0) {
+            chunkmap.b = 1;
+        }
+        // CraftBukkit end
+
         chunkmap.a = new byte[j];
         System.arraycopy(abyte, 0, chunkmap.a, 0, j);
         return chunkmap;