From 964c52cc2d12dd98b4dd5626ef468192e81c15c7 Mon Sep 17 00:00:00 2001
From: David Vierra <codewarrior@hawaii.rr.com>
Date: Wed, 29 Dec 2010 03:47:38 -1000
Subject: [PATCH] fixed a goof in heightMapAt

---
 mclevel.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/mclevel.py b/mclevel.py
index c42fe7e..283a0db 100644
--- a/mclevel.py
+++ b/mclevel.py
@@ -2323,12 +2323,14 @@ class MCInfdevOldLevel(MCLevel):
     def heightMapAt(self, x, z):
         zc=z>>4
         xc=x>>4
+        xInChunk = x & 0xf;
+        zInChunk = z & 0xf;
         
         ch = self.getChunk(xc,zc)
         
         heightMap = ch.HeightMap
 
-        return heightMap[zc,xc]; 
+        return heightMap[zInChunk,xInChunk]; 
         #the heightmap is ordered differently because in minecraft it is a flat array
     
     @property