More cases of avoiding marking active for chunks, to stop potential leaks

Spigot-Server-Patches/0004-MC-Utils.patch

@@ -1,4 +1,4 @@
-From 3e274493dd2ceaa090253d2797e7c5bdbd55d2d5 Mon Sep 17 00:00:00 2001
+From 09eb35c8f468ea83f5595c8e6e2b89614628641b Mon Sep 17 00:00:00 2001
 From: Aikar <aikar@aikar.co>
 Date: Mon, 28 Mar 2016 20:55:47 -0400
 Subject: [PATCH] MC Utils
@@ -7,10 +7,10 @@ Collection of utils to help reduce NMS diff
 
 diff --git a/src/main/java/net/minecraft/server/MCUtil.java b/src/main/java/net/minecraft/server/MCUtil.java
 new file mode 100644
-index 0000000..d3a256c
+index 0000000..cf7c48f
 --- /dev/null
 +++ b/src/main/java/net/minecraft/server/MCUtil.java
-@@ -0,0 +1,141 @@
+@@ -0,0 +1,142 @@
 +package net.minecraft.server;
 +
 +import org.bukkit.Location;
@@ -18,7 +18,7 @@ index 0000000..d3a256c
 +import javax.annotation.Nullable;
 +import java.util.regex.Pattern;
 +
-+public class MCUtil {
++public final class MCUtil {
 +    private static final Pattern REPLACE_QUOTES = Pattern.compile("\"");
 +
 +    private MCUtil() {}
@@ -141,6 +141,7 @@ index 0000000..d3a256c
 +    @Nullable public static Chunk getLoadedChunkWithoutMarkingActive(World world, int x, int z) {
 +        return ((ChunkProviderServer) world.chunkProvider).chunks.get(ChunkCoordIntPair.a(x, z));
 +    }
++
 +    /**
 +     * Gets a chunk without changing its boolean for should unload
 +     * @param provider
@@ -148,8 +149,8 @@ index 0000000..d3a256c
 +     * @param z
 +     * @return
 +     */
-+    @Nullable public static Chunk getLoadedChunkWithoutMarkingActive(ChunkProviderServer provider, int x, int z) {
-+        return provider.chunks.get(ChunkCoordIntPair.a(x, z));
++    @Nullable public static Chunk getLoadedChunkWithoutMarkingActive(IChunkProvider provider, int x, int z) {
++        return ((ChunkProviderServer)provider).chunks.get(ChunkCoordIntPair.a(x, z));
 +    }
 +}
 diff --git a/src/main/java/net/minecraft/server/NBTTagCompound.java b/src/main/java/net/minecraft/server/NBTTagCompound.java

Spigot-Server-Patches/0152-Do-not-mark-chunks-as-active-for-neighbor-updates.patch

@@ -1,10 +1,48 @@
-From 9df0a1beae6afe76606eb96db443a735faf77eba Mon Sep 17 00:00:00 2001
+From 82bf7c14dccf3f1c88c4760a2edf709c542358fb Mon Sep 17 00:00:00 2001
 From: Aikar <aikar@aikar.co>
 Date: Thu, 12 May 2016 01:55:17 -0400
 Subject: [PATCH] Do not mark chunks as active for neighbor updates
 
 Fixes chunk unload issues
 
+diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
+index 1e172b8..90eba27 100644
+--- a/src/main/java/net/minecraft/server/Chunk.java
++++ b/src/main/java/net/minecraft/server/Chunk.java
+@@ -1021,25 +1021,25 @@ public class Chunk {
+ 
+     public void loadNearby(IChunkProvider ichunkprovider, ChunkGenerator chunkgenerator) {
+         world.timings.syncChunkLoadPostTimer.startTiming(); // Spigot
+-        Chunk chunk = ichunkprovider.getLoadedChunkAt(this.locX, this.locZ - 1);
+-        Chunk chunk1 = ichunkprovider.getLoadedChunkAt(this.locX + 1, this.locZ);
+-        Chunk chunk2 = ichunkprovider.getLoadedChunkAt(this.locX, this.locZ + 1);
+-        Chunk chunk3 = ichunkprovider.getLoadedChunkAt(this.locX - 1, this.locZ);
++        Chunk chunk = MCUtil.getLoadedChunkWithoutMarkingActive(ichunkprovider,this.locX, this.locZ - 1); // Paper
++        Chunk chunk1 = MCUtil.getLoadedChunkWithoutMarkingActive(ichunkprovider,this.locX + 1, this.locZ); // Paper
++        Chunk chunk2 = MCUtil.getLoadedChunkWithoutMarkingActive(ichunkprovider,this.locX, this.locZ + 1); // Paper
++        Chunk chunk3 = MCUtil.getLoadedChunkWithoutMarkingActive(ichunkprovider,this.locX - 1, this.locZ); // Paper
+ 
+-        if (chunk1 != null && chunk2 != null && ichunkprovider.getLoadedChunkAt(this.locX + 1, this.locZ + 1) != null) {
++        if (chunk1 != null && chunk2 != null && MCUtil.getLoadedChunkWithoutMarkingActive(ichunkprovider,this.locX + 1, this.locZ + 1) != null) { // Paper
+             this.a(chunkgenerator);
+         }
+ 
+-        if (chunk3 != null && chunk2 != null && ichunkprovider.getLoadedChunkAt(this.locX - 1, this.locZ + 1) != null) {
++        if (chunk3 != null && chunk2 != null && MCUtil.getLoadedChunkWithoutMarkingActive(ichunkprovider,this.locX - 1, this.locZ + 1) != null) { // Paper
+             chunk3.a(chunkgenerator);
+         }
+ 
+-        if (chunk != null && chunk1 != null && ichunkprovider.getLoadedChunkAt(this.locX + 1, this.locZ - 1) != null) {
++        if (chunk != null && chunk1 != null && MCUtil.getLoadedChunkWithoutMarkingActive(ichunkprovider,this.locX + 1, this.locZ - 1) != null) { // Paper
+             chunk.a(chunkgenerator);
+         }
+ 
+         if (chunk != null && chunk3 != null) {
+-            Chunk chunk4 = ichunkprovider.getLoadedChunkAt(this.locX - 1, this.locZ - 1);
++            Chunk chunk4 = MCUtil.getLoadedChunkWithoutMarkingActive(ichunkprovider,this.locX - 1, this.locZ - 1); // Paper
+ 
+             if (chunk4 != null) {
+                 chunk4.a(chunkgenerator);
 diff --git a/src/main/java/net/minecraft/server/ChunkProviderServer.java b/src/main/java/net/minecraft/server/ChunkProviderServer.java
 index 8ee8e80..1bc001d 100644
 --- a/src/main/java/net/minecraft/server/ChunkProviderServer.java