Paper/Spigot-Server-Patches/0181-PlayerPickupExperienceEvent.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Tue, 19 Dec 2017 22:02:53 -0500
Subject: [PATCH] PlayerPickupExperienceEvent

Allows plugins to cancel a player picking up an experience orb

diff --git a/src/main/java/net/minecraft/server/EntityExperienceOrb.java b/src/main/java/net/minecraft/server/EntityExperienceOrb.java
index a9fff75882217b1fd680fd8fd47110f85d88df28..8354d18aa03d29202c82227a1891903a64c7921b 100644
--- a/src/main/java/net/minecraft/server/EntityExperienceOrb.java
+++ b/src/main/java/net/minecraft/server/EntityExperienceOrb.java
@@ -217,7 +217,7 @@ public class EntityExperienceOrb extends Entity {
     @Override
     public void pickup(EntityHuman entityhuman) {
         if (!this.world.isClientSide) {
-            if (this.d == 0 && entityhuman.bu == 0) {
+            if (this.d == 0 && entityhuman.bu == 0 && new com.destroystokyo.paper.event.player.PlayerPickupExperienceEvent(((EntityPlayer) entityhuman).getBukkitEntity(), (org.bukkit.entity.ExperienceOrb) this.getBukkitEntity()).callEvent()) { // Paper
                 entityhuman.bu = 2;
                 entityhuman.receive(this, 1);
                 Entry<EnumItemSlot, ItemStack> entry = EnchantmentManager.a(Enchantments.MENDING, (EntityLiving) entityhuman, ItemStack::f);