From 7ec96efff6416cfbc3799decabe316e6594ceaec Mon Sep 17 00:00:00 2001
From: Jedediah Smith <jedediah@silencegreys.com>
Date: Sun, 21 Jun 2015 15:07:20 -0400
Subject: [PATCH] Custom replacement for eaten items


diff --git a/src/main/java/net/minecraft/server/EntityLiving.java b/src/main/java/net/minecraft/server/EntityLiving.java
index b151c13..d11e01b 100644
--- a/src/main/java/net/minecraft/server/EntityLiving.java
+++ b/src/main/java/net/minecraft/server/EntityLiving.java
@@ -2232,12 +2232,25 @@ public abstract class EntityLiving extends Entity {
             ItemStack itemstack = (craftItem.equals(event.getItem())) ? this.bn.a(this.world, this) : CraftItemStack.asNMSCopy(event.getItem()).a(world, this);
             // CraftBukkit end
 
+            // Paper start - save the default replacement item and change it if necessary
+            final ItemStack defaultReplacement = itemstack;
+            if (event.getReplacement() != null) {
+                itemstack = CraftItemStack.asNMSCopy(event.getReplacement());
+            }
+            // Paper end
+
             if (itemstack != null && itemstack.count == 0) {
                 itemstack = null;
             }
 
             this.a(this.cu(), itemstack);
             this.cA();
+
+            // Paper start - if the replacement is anything but the default, update the client inventory
+            if (this instanceof EntityPlayer && !com.google.common.base.Objects.equal(defaultReplacement, itemstack)) {
+                ((EntityPlayer) this).getBukkitEntity().updateInventory();
+            }
+            // Paper end
         }
 
     }
-- 
2.8.2