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 cc5aae32f34305965847ade8b530272b1126b5c9..dc2bc53f6fa84fa09bd86450060ad9878307001c 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());