Paper/Spigot-Server-Patches/0518-Add-PrepareGrindstoneEvent.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jan Tuck <jan@tuck.dk>
Date: Sat, 20 Jun 2020 22:34:20 +0200
Subject: [PATCH] Add PrepareGrindstoneEvent


diff --git a/src/main/java/net/minecraft/server/ContainerGrindstone.java b/src/main/java/net/minecraft/server/ContainerGrindstone.java
index fe9a083b724a8657cac8462b3f44d3cc12a4db58..716304021f85a86a2f9492f5fb98e86bb7f089d2 100644
--- a/src/main/java/net/minecraft/server/ContainerGrindstone.java
+++ b/src/main/java/net/minecraft/server/ContainerGrindstone.java
@@ -10,6 +10,10 @@ import org.bukkit.craftbukkit.inventory.CraftInventoryGrindstone;
 import org.bukkit.craftbukkit.inventory.CraftInventoryView;
 import org.bukkit.entity.Player;
 // CraftBukkit end
+// Paper start
+import org.bukkit.craftbukkit.inventory.CraftItemStack;
+import com.destroystokyo.paper.event.inventory.PrepareGrindstoneEvent;
+// Paper end
 
 public class ContainerGrindstone extends Container {
 
@@ -144,6 +148,11 @@ public class ContainerGrindstone extends Container {
         super.a(iinventory);
         if (iinventory == this.craftInventory) {
             this.e();
+            // Paper start
+            PrepareGrindstoneEvent event = new PrepareGrindstoneEvent(this.getBukkitView(), CraftItemStack.asBukkitCopy(this.resultInventory.getItem(0)));
+            event.callEvent();
+            this.resultInventory.setItem(0, CraftItemStack.asNMSCopy(event.getResult()));
+            // Paper end
         }
 
     }