From 920dea04ee96d787a4a2cb5d3a84e0d84b12b718 Mon Sep 17 00:00:00 2001
From: mikeprimm <mike@primmhome.com>
Date: Fri, 20 May 2011 08:47:35 -0700
Subject: [PATCH] Make sure boundary condition is respected - getHighestBlockY
 must return 1 or higher

---
 src/main/java/org/dynmap/CraftChunkSnapshot.java | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/main/java/org/dynmap/CraftChunkSnapshot.java b/src/main/java/org/dynmap/CraftChunkSnapshot.java
index de080c69..8ab42381 100644
--- a/src/main/java/org/dynmap/CraftChunkSnapshot.java
+++ b/src/main/java/org/dynmap/CraftChunkSnapshot.java
@@ -94,14 +94,12 @@ public class CraftChunkSnapshot {
     }
     
     public int getHighestBlockYAt(int x, int z) {
-        int off = x << 11 | z << 7 | 127;
+        int off = x << 11 | z << 7 | 126;
         int i;
-        for(i = 127; (i >= 0); i--, off--) {
+        for(i = 127; (i >= 2); i--, off--) {
             if(buf[off] != 0) {
-                if(i < 127) i++;
                 break;
             }
-                
         }
         return i;
     }