Don't allow digging into unloaded chunks

Spigot-Server-Patches/0407-Don-t-allow-digging-into-unloaded-chunks.patch

@@ -0,0 +1,25 @@
+From 5d091daf86e8d339005c2bcfbcc51746acc4b52b 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 4c1f17f82..3427e95e6 100644
+--- a/src/main/java/net/minecraft/server/PlayerConnection.java
++++ b/src/main/java/net/minecraft/server/PlayerConnection.java
+@@ -1229,6 +1229,11 @@ 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);
+-- 
+2.19.1
+