From 10c43a9c9f49ae0b70a0fef2b47d7b1312de1954 Mon Sep 17 00:00:00 2001
From: Albert Pham <the.sk89q@gmail.com>
Date: Sun, 2 Jun 2013 12:14:56 -0700
Subject: [PATCH] Made McRegionReader.getChunkInputStream() throw a
 DataException instead of returning a null when an ungenerated chunk is
 encountered.

---
 src/main/java/com/sk89q/worldedit/data/McRegionReader.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/com/sk89q/worldedit/data/McRegionReader.java b/src/main/java/com/sk89q/worldedit/data/McRegionReader.java
index 793d72a4e..743bdfebf 100644
--- a/src/main/java/com/sk89q/worldedit/data/McRegionReader.java
+++ b/src/main/java/com/sk89q/worldedit/data/McRegionReader.java
@@ -133,7 +133,7 @@ public class McRegionReader {
 
         // The chunk hasn't been generated
         if (offset == 0) {
-            return null;
+            throw new DataException("The chunk at " + x + "," + z + " is not generated");
         }
 
         int sectorNumber = offset >> 8;