Fix memory leak in proto chunk change

Spigot-Server-Patches/0306-Don-t-save-Proto-Chunks.patch

@@ -1,4 +1,4 @@
-From 2d53aa2c84c4fed063659a26e9bcb90d546a5ae8 Mon Sep 17 00:00:00 2001
+From 114ef33e651ac74cef786afa84ff16003b0cccfb Mon Sep 17 00:00:00 2001
 From: Aikar <aikar@aikar.co>
 Date: Sun, 22 Jul 2018 21:21:41 -0400
 Subject: [PATCH] Don't save Proto Chunks
@@ -7,30 +7,8 @@ These chunks are unfinished, and waste cpu time saving these unfinished chunks.
 the loadChunk method refuses to acknoledge they exists, and will restart
 a new chunk generation process to begin with, so saving them serves no benefit.
 
-diff --git a/src/main/java/net/minecraft/server/ChunkProviderServer.java b/src/main/java/net/minecraft/server/ChunkProviderServer.java
-index fd8430a68f..b425704b1a 100644
---- a/src/main/java/net/minecraft/server/ChunkProviderServer.java
-+++ b/src/main/java/net/minecraft/server/ChunkProviderServer.java
-@@ -250,7 +250,7 @@ public class ChunkProviderServer implements IChunkProvider {
-     public boolean a(boolean flag) {
-         int i = 0;
- 
--        this.f.a();
-+        //this.f.a(); // Paper - don't save proto chunks
-         ArrayList arraylist = Lists.newArrayList(this.chunks.values());
-         Iterator iterator = arraylist.iterator();
- 
-@@ -369,7 +369,7 @@ public class ChunkProviderServer implements IChunkProvider {
-             }
-             // Paper end
- 
--            this.f.a();
-+            //this.f.a(); // Paper - don't save proto chunks
-             this.chunkLoader.b();
-         }
- 
 diff --git a/src/main/java/net/minecraft/server/ChunkRegionLoader.java b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
-index ea8684747d..a97e024ec4 100644
+index ea8684747..a97e024ec 100644
 --- a/src/main/java/net/minecraft/server/ChunkRegionLoader.java
 +++ b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
 @@ -282,6 +282,7 @@ public class ChunkRegionLoader implements IChunkLoader, IAsyncChunkSaver {
@@ -41,6 +19,19 @@ index ea8684747d..a97e024ec4 100644
          // Spigot end
          world.checkSession();
  
+diff --git a/src/main/java/net/minecraft/server/ChunkTaskScheduler.java b/src/main/java/net/minecraft/server/ChunkTaskScheduler.java
+index 501565dd5..7b3068753 100644
+--- a/src/main/java/net/minecraft/server/ChunkTaskScheduler.java
++++ b/src/main/java/net/minecraft/server/ChunkTaskScheduler.java
+@@ -23,7 +23,7 @@ public class ChunkTaskScheduler extends Scheduler<ChunkCoordIntPair, ChunkStatus
+         protected boolean a(Scheduler.a scheduler_a) {
+             ProtoChunk protochunk = (ProtoChunk) scheduler_a.a();
+ 
+-            return !protochunk.ab_() && !protochunk.h();
++            return !protochunk.ab_() /*&& !protochunk.h()*/; // Paper
+         }
+     });
+ 
 -- 
 2.18.0