From c9b3d48edee5c67f2d1af7bd247e6ec5b634446f Mon Sep 17 00:00:00 2001
From: Shane Freeder <theboyetronic@gmail.com>
Date: Sun, 11 Nov 2018 21:01:09 +0000
Subject: [PATCH] Don't allow digging into unloaded chunks


diff --git a/src/main/java/net/minecraft/server/PlayerConnection.java b/src/main/java/net/minecraft/server/PlayerConnection.java
index 4705dd2c68..0467a8feab 100644
--- a/src/main/java/net/minecraft/server/PlayerConnection.java
+++ b/src/main/java/net/minecraft/server/PlayerConnection.java
@@ -1207,6 +1207,11 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable {
         case START_DESTROY_BLOCK:
         case ABORT_DESTROY_BLOCK:
         case STOP_DESTROY_BLOCK:
+            // Paper start - Don't allow digging in unloaded chunks
+            if (!worldserver.isChunkLoaded(blockposition.getX() >> 4, blockposition.getZ() >> 4, true)) {
+                return;
+            }
+            // Paper end - Don't allow digging in unloaded chunks
             double d0 = this.player.locX - ((double) blockposition.getX() + 0.5D);
             double d1 = this.player.locY - ((double) blockposition.getY() + 0.5D) + 1.5D;
             double d2 = this.player.locZ - ((double) blockposition.getZ() + 0.5D);
-- 
2.21.0