Paper/Spigot-Server-Patches/0303-Configurable-Allowance-of-Permanent-Chunk-Loaders.patch

From 1be6de780667fdfdb842f80bfa0730a70371895d Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sat, 21 Apr 2018 11:21:48 -0400
Subject: [PATCH] Configurable Allowance of Permanent Chunk Loaders

This disables the behavior that allows players to keep chunks permanently loaded
by default and allows server operators to enable it if they wish.

diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
index ba6d5b7ff5..b9f5f49055 100644
--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
@@ -466,4 +466,9 @@ public class PaperWorldConfig {
                 break;
         }
     }
+    public boolean allowPermaChunkLoaders = false;
+    private void allowPermaChunkLoaders() {
+        allowPermaChunkLoaders = getBoolean("game-mechanics.allow-permanent-chunk-loaders", allowPermaChunkLoaders);
+        log("Allow Perma Chunk Loaders: " + (allowPermaChunkLoaders ? "enabled" : "disabled"));
+    }
 }
diff --git a/src/main/java/net/minecraft/server/ChunkProviderServer.java b/src/main/java/net/minecraft/server/ChunkProviderServer.java
index 7d77c5fb31..fd8430a68f 100644
--- a/src/main/java/net/minecraft/server/ChunkProviderServer.java
+++ b/src/main/java/net/minecraft/server/ChunkProviderServer.java
@@ -111,7 +111,7 @@ public class ChunkProviderServer implements IChunkProvider {
         Long2ObjectMap long2objectmap = this.chunks;
 
         synchronized (this.chunks) {
-            Chunk chunk = this.getLoadedChunkAt(i, j);
+            Chunk chunk = world.paperConfig.allowPermaChunkLoaders ? getLoadedChunkAt(i, j) : getChunkIfLoaded(i, j); // Paper - Configurable perma chunk loaders
 
             return chunk != null ? chunk : this.loadChunkAt(i, j);
         }
-- 
2.18.0