Paper/patches/api/0357-Add-enchantWithLevels-API.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jason Penilla <11360596+jpenilla@users.noreply.github.com>
Date: Wed, 16 Mar 2022 20:35:13 -0700
Subject: [PATCH] Add enchantWithLevels API


diff --git a/src/main/java/org/bukkit/inventory/ItemFactory.java b/src/main/java/org/bukkit/inventory/ItemFactory.java
index 67d3105258fe4e8165a662dd65bc501b30fcff51..5a2e091785043e66c5560e870e3729fa70b28bb4 100644
--- a/src/main/java/org/bukkit/inventory/ItemFactory.java
+++ b/src/main/java/org/bukkit/inventory/ItemFactory.java
@@ -161,6 +161,22 @@ public interface ItemFactory {
     Material updateMaterial(@NotNull final ItemMeta meta, @NotNull final Material material) throws IllegalArgumentException;
 
     // Paper start
+    /**
+     * Randomly enchants a copy of the provided {@link ItemStack} using the given experience levels.
+     *
+     * <p>If the provided ItemStack is already enchanted, the existing enchants will be removed before enchanting.</p>
+     *
+     * <p>Levels must be in range {@code [1, 30]}.</p>
+     *
+     * @param itemStack ItemStack to enchant
+     * @param levels levels to use for enchanting
+     * @param allowTreasure whether to allow enchantments where {@link org.bukkit.enchantments.Enchantment#isTreasure()} returns true
+     * @param random {@link java.util.Random} instance to use for enchanting
+     * @return enchanted copy of the provided ItemStack
+     * @throws IllegalArgumentException on bad arguments
+     */
+    @NotNull ItemStack enchantWithLevels(@NotNull ItemStack itemStack, @org.jetbrains.annotations.Range(from = 1, to = 30) int levels, boolean allowTreasure, @NotNull java.util.Random random);
+
     /**
      * Creates a hover event for the given item.
      *
diff --git a/src/main/java/org/bukkit/inventory/ItemStack.java b/src/main/java/org/bukkit/inventory/ItemStack.java
index f9faef1b73b5027a3d22e76a0b33b7c952f3ae08..eac7adf622b91489711a2f8bcff77fb31292dd67 100644
--- a/src/main/java/org/bukkit/inventory/ItemStack.java
+++ b/src/main/java/org/bukkit/inventory/ItemStack.java
@@ -656,6 +656,24 @@ public class ItemStack implements Cloneable, ConfigurationSerializable, Translat
     }
 
     // Paper start
+    /**
+     * Randomly enchants a copy of this {@link ItemStack} using the given experience levels.
+     *
+     * <p>If this ItemStack is already enchanted, the existing enchants will be removed before enchanting.</p>
+     *
+     * <p>Levels must be in range {@code [1, 30]}.</p>
+     *
+     * @param levels levels to use for enchanting
+     * @param allowTreasure whether to allow enchantments where {@link org.bukkit.enchantments.Enchantment#isTreasure()} returns true
+     * @param random {@link java.util.Random} instance to use for enchanting
+     * @return enchanted copy of the provided ItemStack
+     * @throws IllegalArgumentException on bad arguments
+     */
+    @NotNull
+    public ItemStack enchantWithLevels(final @org.jetbrains.annotations.Range(from = 1, to = 30) int levels, final boolean allowTreasure, final @NotNull java.util.Random random) {
+        return Bukkit.getServer().getItemFactory().enchantWithLevels(this, levels, allowTreasure, random);
+    }
+
     @NotNull
     @Override
     public net.kyori.adventure.text.event.HoverEvent<net.kyori.adventure.text.event.HoverEvent.ShowItem> asHoverEvent(final @NotNull java.util.function.UnaryOperator<net.kyori.adventure.text.event.HoverEvent.ShowItem> op) {