papermc/Spigot-Server-Patches/0116-Don-t-spam-reload-spawn-chunks-in-nether-end.patch

From 5469bbf12cf3ecc8f5c41c8567a042c13a860331 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 4452107..34b10c4 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -3245,6 +3245,7 @@ public abstract class World implements IBlockAccess {
         return this.N;
     }
 
+    public boolean shouldStayLoaded(int i,  int j) { return d(i, j); } // Paper - OBFHELPER
     public boolean d(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 e30d346..d1b2d15 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
     }
 }
-- 
2.9.3