From 9e12095b8bd3a30cda0f159c8008193c1d29ec6d Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Mon, 2 Jan 2017 16:32:56 -0500
Subject: [PATCH] ShulkerBox Dupe Prevention

This ensures that Shulker Boxes can never drop their contents twice, and
that the inventory is cleared incase it some how also got saved to the world.

diff --git a/src/main/java/net/minecraft/server/BlockShulkerBox.java b/src/main/java/net/minecraft/server/BlockShulkerBox.java
index fcb1a6c66..12fb81635 100644
--- a/src/main/java/net/minecraft/server/BlockShulkerBox.java
+++ b/src/main/java/net/minecraft/server/BlockShulkerBox.java
@@ -109,6 +109,7 @@ public class BlockShulkerBox extends BlockTileEntity {
                 }
 
                 a(world, blockposition, itemstack);
+                tileentityshulkerbox.clear(); // Paper - This was intended to be called in Vanilla (is checked in the if statement above if has been called) - Fixes dupe issues
             }
 
             world.updateAdjacentComparators(blockposition, iblockdata.getBlock());
-- 
2.12.2