From 259073abd3c6dd5d4a3434c920db539e73f956cc Mon Sep 17 00:00:00 2001
From: BillyGalbreath <Blake.Galbreath@GMail.com>
Date: Fri, 20 Jul 2018 23:37:03 -0500
Subject: [PATCH] AnvilDamageEvent


diff --git a/src/main/java/net/minecraft/server/ContainerAnvil.java b/src/main/java/net/minecraft/server/ContainerAnvil.java
index fb3413d81e..9f20348d0c 100644
--- a/src/main/java/net/minecraft/server/ContainerAnvil.java
+++ b/src/main/java/net/minecraft/server/ContainerAnvil.java
@@ -73,6 +73,16 @@ public class ContainerAnvil extends Container {
                 if (!world.isClientSide) {
                     if (!entityhuman.abilities.canInstantlyBuild && iblockdata.a(TagsBlock.y) && entityhuman.getRandom().nextFloat() < 0.12F) {
                         IBlockData iblockdata1 = BlockAnvil.a_(iblockdata);
+                        // Paper start
+                        com.destroystokyo.paper.event.block.AnvilDamagedEvent event = new com.destroystokyo.paper.event.block.AnvilDamagedEvent(getBukkitView(), org.bukkit.craftbukkit.block.data.CraftBlockData.fromData(iblockdata1));
+                        if (!event.callEvent()) {
+                            return itemstack;
+                        } else if (event.getDamageState() == com.destroystokyo.paper.event.block.AnvilDamagedEvent.DamageState.BROKEN) {
+                            iblockdata1 = null;
+                        } else {
+                            iblockdata1 = ((org.bukkit.craftbukkit.block.data.CraftBlockData) event.getDamageState().getMaterial().createBlockData()).getState().set(BlockAnvil.FACING, iblockdata.get(BlockAnvil.FACING));
+                        }
+                        // Paper end
 
                         if (iblockdata1 == null) {
                             world.setAir(blockposition);
-- 
2.18.0