From bc170451968e3fcac09a34c714439910740de512 Mon Sep 17 00:00:00 2001
From: Mike Primm <mike@primmhome.com>
Date: Sat, 17 Sep 2011 13:49:21 +0800
Subject: [PATCH] Workaround explosion in getSnapshot in Bukkit when biome data
 requested on nether in 1.8 Bukkit

---
 .../java/org/dynmap/utils/NewMapChunkCache.java    | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/src/main/java/org/dynmap/utils/NewMapChunkCache.java b/src/main/java/org/dynmap/utils/NewMapChunkCache.java
index 79692ddf..67d82414 100644
--- a/src/main/java/org/dynmap/utils/NewMapChunkCache.java
+++ b/src/main/java/org/dynmap/utils/NewMapChunkCache.java
@@ -8,6 +8,7 @@ import java.util.ListIterator;
 
 import org.bukkit.World;
 import org.bukkit.Chunk;
+import org.bukkit.World.Environment;
 import org.bukkit.block.Biome;
 import org.bukkit.entity.Entity;
 import org.bukkit.ChunkSnapshot;
@@ -357,6 +358,9 @@ public class NewMapChunkCache implements MapChunkCache {
     @SuppressWarnings({ "unchecked", "rawtypes" })
     public void setChunks(World w, List<DynmapChunk> chunks) {
         this.w = w;
+        if(w.getEnvironment() != Environment.NORMAL) {
+            biome = biomeraw = false;
+        }
         this.chunks = chunks;
         if(poppreservedchunk == null) {
             /* Get CraftWorld.popPreservedChunk(x,z) - reduces memory bloat from map traversals (optional) */
@@ -469,6 +473,7 @@ public class NewMapChunkCache implements MapChunkCache {
             iterator = chunks.listIterator();
         
         DynmapPlugin.setIgnoreChunkLoads(true);
+        boolean isnormral = w.getEnvironment() == Environment.NORMAL;
         // Load the required chunks.
         while((cnt < max_to_load) && iterator.hasNext()) {
             DynmapChunk chunk = iterator.next();
@@ -733,8 +738,13 @@ public class NewMapChunkCache implements MapChunkCache {
     }
     @Override
     public boolean setChunkDataTypes(boolean blockdata, boolean biome, boolean highestblocky, boolean rawbiome) {
-        this.biome = biome;
-        this.biomeraw = rawbiome;
+        if((w != null) && (w.getEnvironment() != Environment.NORMAL)) {
+            this.biome = this.biomeraw = false;
+        }
+        else {
+            this.biome = biome;
+            this.biomeraw = rawbiome;
+        }
         this.highesty = highestblocky;
         this.blockdata = blockdata;
         return true;