From 09e0e636a258cd813f6833d95c9c226037644891 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 82b4d82c0e..d00bd9d610 100644
--- a/src/main/java/net/minecraft/server/BlockShulkerBox.java
+++ b/src/main/java/net/minecraft/server/BlockShulkerBox.java
@@ -100,6 +100,7 @@ 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());
-- 
2.18.0