Configurable chunk map caching

Spigot-Server-Patches/0065-ChunkMap-caching.patch

@@ -1,14 +1,14 @@
-From 5cf461979b07c8b31867b7e64c36fa6bc4a2e8fa Mon Sep 17 00:00:00 2001
+From 7511cc6c50a7351c6359daa9425d119947cb4338 Mon Sep 17 00:00:00 2001
 From: Iceee <andrew@opticgaming.tv>
 Date: Wed, 15 Jul 2015 02:41:12 -0700
 Subject: [PATCH] ChunkMap caching
 
 
 diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
-index ab4de94..2b70bf4 100644
+index ab4de94..c9885ca 100644
 --- a/src/main/java/net/minecraft/server/Chunk.java
 +++ b/src/main/java/net/minecraft/server/Chunk.java
-@@ -50,6 +50,39 @@ public class Chunk {
+@@ -50,6 +50,43 @@ public class Chunk {
      public long lightUpdateTime;
      // PaperSpigot end
  
@@ -17,6 +17,10 @@ index ab4de94..2b70bf4 100644
 +    private int emptySectionBits;
 +
 +    public PacketPlayOutMapChunk.ChunkMap getChunkMap() {
++        if (!world.paperSpigotConfig.cacheChunkMaps) {
++            return PacketPlayOutMapChunk.a(this, true, !world.worldProvider.o(), '\uffff');
++        }
++
 +        boolean isDirty = false;
 +        for (int i = 0; i < sections.length; ++i) {
 +            ChunkSection section = sections[i];
@@ -110,6 +114,21 @@ index 10c0e34..f7e8ab3 100644
  
              this.a[j] = chunk.locX;
              this.b[j] = chunk.locZ;
+diff --git a/src/main/java/org/github/paperspigot/PaperSpigotWorldConfig.java b/src/main/java/org/github/paperspigot/PaperSpigotWorldConfig.java
+index 9c8a01b..cde11b2 100644
+--- a/src/main/java/org/github/paperspigot/PaperSpigotWorldConfig.java
++++ b/src/main/java/org/github/paperspigot/PaperSpigotWorldConfig.java
+@@ -390,4 +390,10 @@ public class PaperSpigotWorldConfig
+     {
+         mobSpawnerTickRate = getInt( "mob-spawner-tick-rate", 1 );
+     }
++
++    public boolean cacheChunkMaps;
++    private void cacheChunkMaps()
++    {
++        cacheChunkMaps = getBoolean( "cache-chunk-maps", false );
++    }
+ }
 -- 
 1.9.5.msysgit.1