From a37ee09f172cb77addf8d8716f4412b869e42b4f Mon Sep 17 00:00:00 2001
From: kanesada2 <guts.kk.89@gmail.com>
Date: Thu, 29 Dec 2016 16:53:56 +0900
Subject: [PATCH] fix #2979

---
 .../util/blockmeta/HashChunkletManager.java   | 33 ++++++++++++++++++-
 .../blockmeta/chunkmeta/HashChunkManager.java | 22 +++++++++++++
 2 files changed, 54 insertions(+), 1 deletion(-)

diff --git a/src/main/java/com/gmail/nossr50/util/blockmeta/HashChunkletManager.java b/src/main/java/com/gmail/nossr50/util/blockmeta/HashChunkletManager.java
index fa970e58d..d028611b2 100755
--- a/src/main/java/com/gmail/nossr50/util/blockmeta/HashChunkletManager.java
+++ b/src/main/java/com/gmail/nossr50/util/blockmeta/HashChunkletManager.java
@@ -187,6 +187,17 @@ public class HashChunkletManager implements ChunkletManager {
         int cx = x / 16;
         int cz = z / 16;
         int cy = y / 64;
+        
+        if(x < 0){
+            --cx;
+        }
+        if(z < 0){
+            --cz;
+        }
+        if(y < 0){
+            --cy;
+        }
+        
         String key = world.getName() + "," + cx + "," + cz + "," + cy;
 
         if (!store.containsKey(key)) {
@@ -215,7 +226,17 @@ public class HashChunkletManager implements ChunkletManager {
         int cx = x / 16;
         int cz = z / 16;
         int cy = y / 64;
-
+        
+        if(x < 0){
+            --cx;
+        }
+        if(z < 0){
+            --cz;
+        }
+        if(y < 0){
+            --cy;
+        }
+        
         int ix = Math.abs(x) % 16;
         int iz = Math.abs(z) % 16;
         int iy = Math.abs(y) % 64;
@@ -248,6 +269,16 @@ public class HashChunkletManager implements ChunkletManager {
         int cz = z / 16;
         int cy = y / 64;
 
+        if(x < 0){
+            --cx;
+        }
+        if(z < 0){
+            --cz;
+        }
+        if(y < 0){
+            --cy;
+        }
+        
         int ix = Math.abs(x) % 16;
         int iz = Math.abs(z) % 16;
         int iy = Math.abs(y) % 64;
diff --git a/src/main/java/com/gmail/nossr50/util/blockmeta/chunkmeta/HashChunkManager.java b/src/main/java/com/gmail/nossr50/util/blockmeta/chunkmeta/HashChunkManager.java
index 44a2398e0..078bdd401 100755
--- a/src/main/java/com/gmail/nossr50/util/blockmeta/chunkmeta/HashChunkManager.java
+++ b/src/main/java/com/gmail/nossr50/util/blockmeta/chunkmeta/HashChunkManager.java
@@ -295,6 +295,14 @@ public class HashChunkManager implements ChunkManager {
 
         int cx = x / 16;
         int cz = z / 16;
+        
+        if(x < 0){
+            --cx;
+        }
+        if(z < 0){
+            --cz;
+        }
+        
         String key = world.getName() + "," + cx + "," + cz;
 
         if (!store.containsKey(key)) {
@@ -339,6 +347,13 @@ public class HashChunkManager implements ChunkManager {
         int cx = x / 16;
         int cz = z / 16;
 
+        if(x < 0){
+            --cx;
+        }
+        if(z < 0){
+            --cz;
+        }
+        
         int ix = Math.abs(x) % 16;
         int iz = Math.abs(z) % 16;
 
@@ -384,6 +399,13 @@ public class HashChunkManager implements ChunkManager {
 
         int cx = x / 16;
         int cz = z / 16;
+        
+        if(x < 0){
+            --cx;
+        }
+        if(z < 0){
+            --cz;
+        }
 
         int ix = Math.abs(x) % 16;
         int iz = Math.abs(z) % 16;