From 0000000000000000000000000000000000000000 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/world/entity/Mob.java b/src/main/java/net/minecraft/world/entity/Mob.java
index 46f0ebfc99352ec8b64bdff2c6bb8d17ecfeb619..eb35c69bb777ba8d83b2304ff9f862512643e745 100644
--- a/src/main/java/net/minecraft/world/entity/Mob.java
+++ b/src/main/java/net/minecraft/world/entity/Mob.java
@@ -605,6 +605,11 @@ public abstract class Mob extends LivingEntity {
                 ItemEntity entityitem = (ItemEntity) iterator.next();
 
                 if (!entityitem.removed && !entityitem.getItem().isEmpty() && !entityitem.hasPickUpDelay() && this.wantsToPickUp(entityitem.getItem())) {
+                    // Paper Start
+                    if (!entityitem.canMobPickup) {
+                        continue;
+                    }
+                    // Paper End
                     this.pickUpItem(entityitem);
                 }
             }
diff --git a/src/main/java/net/minecraft/world/entity/item/ItemEntity.java b/src/main/java/net/minecraft/world/entity/item/ItemEntity.java
index 78dc5ac986afaba04176f64afbb035442cd41d38..7aba507e171f34e213b3c034e345e7397a44d2b5 100644
--- a/src/main/java/net/minecraft/world/entity/item/ItemEntity.java
+++ b/src/main/java/net/minecraft/world/entity/item/ItemEntity.java
@@ -46,6 +46,7 @@ public class ItemEntity extends Entity {
     private UUID owner;
     public final float bobOffs;
     private int lastTick = MinecraftServer.currentTick - 1; // CraftBukkit
+    public boolean canMobPickup = true; // Paper
 
     public ItemEntity(EntityType<? extends ItemEntity> type, Level world) {
         super(type, world);
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftItem.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftItem.java
index 6e394ce6ea4177e1758e27074a4fd54d716edc3d..9a410f557988d737c3b930a79ef2ccb2b5c8b406 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftItem.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftItem.java
@@ -49,6 +49,16 @@ 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 void setOwner(UUID uuid) {
         item.setOwner(uuid);