Paper/patches/server/0139-Item-canEntityPickup.patch

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 a2310dc7b045d4e4c3924d656a4dcf0a1d66c095..3eda6821d12bf616037f6c00815602428afbcdaf 100644
--- a/src/main/java/net/minecraft/world/entity/Mob.java
+++ b/src/main/java/net/minecraft/world/entity/Mob.java
@@ -622,6 +622,11 @@ public abstract class Mob extends LivingEntity {
                 ItemEntity entityitem = (ItemEntity) iterator.next();
 
                 if (!entityitem.isRemoved() && !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 8d3242a1436b0622d0aebb0a61a447ddf5819273..6df6204c9d4099afeb8ff07dd747f756d8e380d6 100644
--- a/src/main/java/net/minecraft/world/entity/item/ItemEntity.java
+++ b/src/main/java/net/minecraft/world/entity/item/ItemEntity.java
@@ -52,6 +52,7 @@ 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 b9044654d22a47cfa952dcf25754ad0d87fc0844..0d262c99c7e9ef06e297612b1802c493700f64ae 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftItem.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftItem.java
@@ -49,6 +49,18 @@ public class CraftItem extends CraftEntity implements Item {
         item.age = value;
     }
 
+    // Paper Start
+    @Override
+    public boolean canMobPickup() {
+        return item.canMobPickup;
+    }
+
+    @Override
+    public void setCanMobPickup(boolean canMobPickup) {
+        item.canMobPickup = canMobPickup;
+    }
+    // Paper End
+
     @Override
     public void setOwner(UUID uuid) {
         this.item.setOwner(uuid);