From e165a8a956f42b823b6cf6597b5ed62d6fb9e404 Mon Sep 17 00:00:00 2001
From: BillyGalbreath <Blake.Galbreath@GMail.com>
Date: Fri, 5 May 2017 03:57:17 -0500
Subject: [PATCH] Item#canEntityPickup


diff --git a/src/main/java/net/minecraft/server/EntityInsentient.java b/src/main/java/net/minecraft/server/EntityInsentient.java
index 5d830b245..f1621a9e9 100644
--- a/src/main/java/net/minecraft/server/EntityInsentient.java
+++ b/src/main/java/net/minecraft/server/EntityInsentient.java
@@ -510,6 +510,11 @@ public abstract class EntityInsentient extends EntityLiving {
                 EntityItem entityitem = (EntityItem) iterator.next();
 
                 if (!entityitem.dead && !entityitem.getItemStack().isEmpty() && !entityitem.q()) {
+                    // Paper Start
+                    if (!entityitem.canMobPickup) {
+                        continue;
+                    }
+                    // Paper End
                     this.a(entityitem);
                 }
             }
diff --git a/src/main/java/net/minecraft/server/EntityItem.java b/src/main/java/net/minecraft/server/EntityItem.java
index fe70a3a8b..36b5fb537 100644
--- a/src/main/java/net/minecraft/server/EntityItem.java
+++ b/src/main/java/net/minecraft/server/EntityItem.java
@@ -19,6 +19,7 @@ public class EntityItem extends Entity {
     private UUID owner;
     public final float b;
     private int lastTick = MinecraftServer.currentTick - 1; // CraftBukkit
+    public boolean canMobPickup = true; // Paper
 
     public EntityItem(EntityTypes<? extends EntityItem> entitytypes, World world) {
         super(entitytypes, world);
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftItem.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftItem.java
index 0dbca8f00..65b23f511 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftItem.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftItem.java
@@ -44,6 +44,16 @@ public class CraftItem extends CraftEntity implements Item {
         item.age = value;
     }
 
+    // Paper Start
+    public boolean canMobPickup() {
+        return item.canMobPickup;
+    }
+
+    public void setCanMobPickup(boolean canMobPickup) {
+        item.canMobPickup = canMobPickup;
+    }
+    // Paper End
+
     @Override
     public String toString() {
         return "CraftItem";
-- 
2.21.0