stop CraftWorld#isChunkLoaded from loading chunks

Spigot-Server-Patches/0396-stop-CraftWorld-isChunkLoaded-from-loading-chunks.patch

@@ -0,0 +1,23 @@
+From b38dea63dc59e73147e3786336135b11d2385118 Mon Sep 17 00:00:00 2001
+From: Shane Freeder <theboyetronic@gmail.com>
+Date: Tue, 21 May 2019 02:34:04 +0100
+Subject: [PATCH] stop CraftWorld#isChunkLoaded from loading chunks
+
+
+diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+index a263d8e7f..4cdc16d5b 100644
+--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
++++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+@@ -382,8 +382,7 @@ public class CraftWorld implements World {
+ 
+     @Override
+     public boolean isChunkLoaded(int x, int z) {
+-        net.minecraft.server.Chunk chunk = world.getChunkProvider().getChunkAt(x, z, false);
+-        return chunk != null && chunk.loaded;
++        return world.getChunkProvider().playerChunkMap.updatingChunks.containsKey(ChunkCoordIntPair.pair(x, z)); // Paper
+     }
+ 
+     @Override
+-- 
+2.21.0
+