From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Doc <nachito94@msn.com>
Date: Sun, 6 Oct 2024 16:46:36 -0300
Subject: [PATCH] Add AnvilView#bypassEnchantmentLevelRestriction

Anvils, by default, limit applied enchantment levels to their respective
maximum level. The added API enables plugins to disable this behaviour,
allowing enchantments that are overleveled to be applied via the anvil.

diff --git a/src/main/java/net/minecraft/world/inventory/AnvilMenu.java b/src/main/java/net/minecraft/world/inventory/AnvilMenu.java
index ae0ba6b0e1f0bee3c3a701b22725171e499b97a3..286ae002e1711ad9e800b7f2091988d66cd572a7 100644
--- a/src/main/java/net/minecraft/world/inventory/AnvilMenu.java
+++ b/src/main/java/net/minecraft/world/inventory/AnvilMenu.java
@@ -54,6 +54,7 @@ public class AnvilMenu extends ItemCombinerMenu {
     public int maximumRepairCost = 40;
     private CraftAnvilView bukkitEntity;
     // CraftBukkit end
+    public boolean bypassEnchantmentLevelRestriction = false; // Paper - bypass anvil level restrictions
 
     public AnvilMenu(int syncId, Inventory inventory) {
         this(syncId, inventory, ContainerLevelAccess.NULL);
@@ -233,7 +234,7 @@ public class AnvilMenu extends ItemCombinerMenu {
                             flag2 = true;
                         } else {
                             flag1 = true;
-                            if (i2 > enchantment.getMaxLevel()) {
+                            if (i2 > enchantment.getMaxLevel() && !this.bypassEnchantmentLevelRestriction) { // Paper - bypass anvil level restrictions
                                 i2 = enchantment.getMaxLevel();
                             }
 
diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/view/CraftAnvilView.java b/src/main/java/org/bukkit/craftbukkit/inventory/view/CraftAnvilView.java
index fdc2bd4c3ee5f762a72df39c87215e3a15f47db2..f86c95a13dff012de5db3e41ac261e9e8d44d9f3 100644
--- a/src/main/java/org/bukkit/craftbukkit/inventory/view/CraftAnvilView.java
+++ b/src/main/java/org/bukkit/craftbukkit/inventory/view/CraftAnvilView.java
@@ -50,6 +50,18 @@ public class CraftAnvilView extends CraftInventoryView<AnvilMenu, AnvilInventory
         this.container.maximumRepairCost = cost;
     }
 
+    // Paper start
+    @Override
+    public boolean bypassesEnchantmentLevelRestriction() {
+        return this.container.bypassEnchantmentLevelRestriction;
+    }
+
+    @Override
+    public void bypassEnchantmentLevelRestriction(final boolean bypassEnchantmentLevelRestriction) {
+        this.container.bypassEnchantmentLevelRestriction = bypassEnchantmentLevelRestriction;
+    }
+    // Paper end
+
     public void updateFromLegacy(CraftInventoryAnvil legacy) {
         if (legacy.isRepairCostSet()) {
             this.setRepairCost(legacy.getRepairCost());