Fix Nether/End world unloading spawn chunks - Fixes #92

Spigot-Server-Patches/0128-Don-t-spam-reload-spawn-chunks-in-nether-end.patch

@@ -0,0 +1,35 @@
+From b4c1805159d14e38fede429d131fde0160d3cc88 Mon Sep 17 00:00:00 2001
+From: Aikar <aikar@aikar.co>
+Date: Tue, 5 Apr 2016 19:42:22 -0400
+Subject: [PATCH] Don't spam reload spawn chunks in nether/end
+
+
+diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
+index 10e40aa..220a942 100644
+--- a/src/main/java/net/minecraft/server/World.java
++++ b/src/main/java/net/minecraft/server/World.java
+@@ -3242,6 +3242,7 @@ public abstract class World implements IBlockAccess {
+         return this.N;
+     }
+ 
++    public boolean shouldStayLoaded(int i,  int j) { return c(i, j); } // Paper - OBFHELPER
+     public boolean c(int i, int j) {
+         BlockPosition blockposition = this.getSpawn();
+         int k = i * 16 + 8 - blockposition.getX();
+diff --git a/src/main/java/net/minecraft/server/WorldProvider.java b/src/main/java/net/minecraft/server/WorldProvider.java
+index 2d761d4..bc1eaf5 100644
+--- a/src/main/java/net/minecraft/server/WorldProvider.java
++++ b/src/main/java/net/minecraft/server/WorldProvider.java
+@@ -127,7 +127,7 @@ public abstract class WorldProvider {
+ 
+     public void r() {}
+ 
+-    public boolean c(int i, int j) {
+-        return true;
++    public boolean c(int i, int j) { // Method is "can chunk unload"
++        return !this.b.shouldStayLoaded(i, j); // Paper - Use shouldStayLoaded check for all worlds
+     }
+ }
+-- 
+2.8.0
+

scripts/importmcdev.sh

@@ -61,6 +61,7 @@ import PathfinderAbstract
 import PathfinderGoalFloat
 import PersistentVillage
 import TileEntityEnderChest
+import WorldProvider
 
 cd "$workdir/Spigot/Spigot-Server/"
 git add src -A