From b3ad34c21c285e2b9c65597ebe1a722ae8c536ad Mon Sep 17 00:00:00 2001
From: Michael Himing <mhiming@gmail.com>
Date: Sun, 8 Jan 2017 18:50:35 +1100
Subject: [PATCH] Fix block break desync


diff --git a/src/main/java/net/minecraft/server/PlayerConnection.java b/src/main/java/net/minecraft/server/PlayerConnection.java
index 9de392315e..7f61da1cd3 100644
--- a/src/main/java/net/minecraft/server/PlayerConnection.java
+++ b/src/main/java/net/minecraft/server/PlayerConnection.java
@@ -1158,6 +1158,8 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable {
             double d3 = d0 * d0 + d1 * d1 + d2 * d2;
 
             if (d3 > 36.0D) {
+                if (worldserver.isChunkLoaded(blockposition.getX() >> 4, blockposition.getZ() >> 4, true)) // Paper - Fix block break desync - Don't send for unloaded chunks
+                    this.sendPacket(new PacketPlayOutBlockChange(worldserver, blockposition)); // Paper - Fix block break desync
                 return;
             } else if (blockposition.getY() >= this.minecraftServer.getMaxBuildHeight()) {
                 return;
-- 
2.18.0