Prevent Blocks from getting lost when a chunk reloads

2 files changed, 6 insertions, 1 deletions

diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
index e37db53f..592e3408 100644
--- a/src/main/java/net/minecraft/server/Chunk.java
+++ b/src/main/java/net/minecraft/server/Chunk.java
@@ -44,7 +44,10 @@ public class Chunk {
         }
 
         // CraftBukkit start
-        bukkitChunk = new org.bukkit.craftbukkit.CraftChunk( this );
+        bukkitChunk = ((WorldServer) world).getWorld().popPreservedChunk( i, j );
+        if (bukkitChunk == null) {
+            bukkitChunk = new org.bukkit.craftbukkit.CraftChunk( this );
+        }
     }
 
     public org.bukkit.Chunk bukkitChunk;
diff --git a/src/main/java/net/minecraft/server/ChunkProviderServer.java b/src/main/java/net/minecraft/server/ChunkProviderServer.java
index 87beef57..e6b4be5e 100644
--- a/src/main/java/net/minecraft/server/ChunkProviderServer.java
+++ b/src/main/java/net/minecraft/server/ChunkProviderServer.java
@@ -209,6 +209,8 @@ public class ChunkProviderServer implements IChunkProvider
                 ChunkUnloadEvent cue = new ChunkUnloadEvent(Type.CHUNK_UNLOADED, chunk.bukkitChunk);
                 server.getPluginManager().callEvent(cue);
                 if (!cue.isCancelled()) {
+                    g.getWorld().preserveChunk( (CraftChunk) chunk.bukkitChunk );
+
                     chunk.e();
                     this.b(chunk);
                     this.a(chunk);