From eac51077f4e30312fdd449ff4accd314be39b08c Mon Sep 17 00:00:00 2001
From: BillyGalbreath <blake.galbreath@gmail.com>
Date: Mon, 27 Dec 2021 08:11:31 -0600
Subject: [PATCH] Add Grindstone API

---
 patches/api/0043-Grindstone-API.patch    | 84 ++++++++++++++++++++++++
 patches/server/0246-Grindstone-API.patch | 21 ++++++
 2 files changed, 105 insertions(+)
 create mode 100644 patches/api/0043-Grindstone-API.patch
 create mode 100644 patches/server/0246-Grindstone-API.patch

diff --git a/patches/api/0043-Grindstone-API.patch b/patches/api/0043-Grindstone-API.patch
new file mode 100644
index 000000000..5a699b1c1
--- /dev/null
+++ b/patches/api/0043-Grindstone-API.patch
@@ -0,0 +1,84 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: BillyGalbreath <blake.galbreath@gmail.com>
+Date: Mon, 27 Dec 2021 08:10:50 -0600
+Subject: [PATCH] Grindstone API
+
+
+diff --git a/src/main/java/org/purpurmc/purpur/event/inventory/GrindstoneTakeResultEvent.java b/src/main/java/org/purpurmc/purpur/event/inventory/GrindstoneTakeResultEvent.java
+new file mode 100644
+index 0000000000000000000000000000000000000000..eebb5d124456b8209d1b8e8cc4cb772dd3714f04
+--- /dev/null
++++ b/src/main/java/org/purpurmc/purpur/event/inventory/GrindstoneTakeResultEvent.java
+@@ -0,0 +1,72 @@
++package org.purpurmc.purpur.event.inventory;
++
++import org.bukkit.entity.HumanEntity;
++import org.bukkit.entity.Player;
++import org.bukkit.event.HandlerList;
++import org.bukkit.event.inventory.InventoryEvent;
++import org.bukkit.inventory.GrindstoneInventory;
++import org.bukkit.inventory.InventoryView;
++import org.bukkit.inventory.ItemStack;
++import org.jetbrains.annotations.NotNull;
++
++/**
++ * Called when a player takes the result item out of a Grindstone
++ */
++public class GrindstoneTakeResultEvent extends InventoryEvent {
++    private static final HandlerList handlers = new HandlerList();
++    private final Player player;
++    private final ItemStack result;
++    private int experienceAmount;
++
++    public GrindstoneTakeResultEvent(@NotNull HumanEntity player, @NotNull InventoryView view, @NotNull ItemStack result, int experienceAmount) {
++        super(view);
++        this.player = (Player) player;
++        this.result = result;
++        this.experienceAmount = experienceAmount;
++    }
++
++    @NotNull
++    public Player getPlayer() {
++        return player;
++    }
++
++    @NotNull
++    public ItemStack getResult() {
++        return result;
++    }
++
++    @NotNull
++    @Override
++    public GrindstoneInventory getInventory() {
++        return (GrindstoneInventory) super.getInventory();
++    }
++
++    /**
++     * Get the amount of experience this transaction will give
++     *
++     * @return Amount of experience to give
++     */
++    public int getExperienceAmount() {
++        return this.experienceAmount;
++    }
++
++    /**
++     * Set the amount of experience this transaction will give
++     *
++     * @param experienceAmount Amount of experience to give
++     */
++    public void setExperienceAmount(int experienceAmount) {
++        this.experienceAmount = experienceAmount;
++    }
++
++    @NotNull
++    @Override
++    public HandlerList getHandlers() {
++        return handlers;
++    }
++
++    @NotNull
++    public static HandlerList getHandlerList() {
++        return handlers;
++    }
++}
diff --git a/patches/server/0246-Grindstone-API.patch b/patches/server/0246-Grindstone-API.patch
new file mode 100644
index 000000000..0f7fe2f0f
--- /dev/null
+++ b/patches/server/0246-Grindstone-API.patch
@@ -0,0 +1,21 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: BillyGalbreath <blake.galbreath@gmail.com>
+Date: Mon, 27 Dec 2021 08:11:00 -0600
+Subject: [PATCH] Grindstone API
+
+
+diff --git a/src/main/java/net/minecraft/world/inventory/GrindstoneMenu.java b/src/main/java/net/minecraft/world/inventory/GrindstoneMenu.java
+index 66d1b438227e004d7ffb6e7c5d0cd3e6da3d2a49..a884b00d3ebd5cd89bd870b84afea136bdc79a10 100644
+--- a/src/main/java/net/minecraft/world/inventory/GrindstoneMenu.java
++++ b/src/main/java/net/minecraft/world/inventory/GrindstoneMenu.java
+@@ -96,8 +96,9 @@ public class GrindstoneMenu extends AbstractContainerMenu {
+             @Override
+             public void onTake(net.minecraft.world.entity.player.Player player, ItemStack stack) {
+                 context.execute((world, blockposition) -> {
++                    org.purpurmc.purpur.event.inventory.GrindstoneTakeResultEvent grindstoneTakeResultEvent = new org.purpurmc.purpur.event.inventory.GrindstoneTakeResultEvent(player.getBukkitEntity(), getBukkitView(), org.bukkit.craftbukkit.inventory.CraftItemStack.asCraftMirror(stack), this.getExperienceAmount(world)); grindstoneTakeResultEvent.callEvent(); // Purpur
+                     if (world instanceof ServerLevel) {
+-                        ExperienceOrb.award((ServerLevel) world, Vec3.atCenterOf(blockposition), this.getExperienceAmount(world), org.bukkit.entity.ExperienceOrb.SpawnReason.GRINDSTONE, player); // Paper
++                        ExperienceOrb.award((ServerLevel) world, Vec3.atCenterOf(blockposition), grindstoneTakeResultEvent.getExperienceAmount(), org.bukkit.entity.ExperienceOrb.SpawnReason.GRINDSTONE, player); // Paper // Purpur
+                     }
+ 
+                     world.levelEvent(1042, blockposition, 0);