From 70ea5a7f810ccde254307100cb4b3e2468e75b2e 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 e4e0eae60..3fe3af1c2 100644
--- a/src/main/java/net/minecraft/server/BlockShulkerBox.java
+++ b/src/main/java/net/minecraft/server/BlockShulkerBox.java
@@ -112,6 +112,7 @@ 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());
-- 
2.13.0