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 d685511104ac552dfc9ae2111e1bfb60fa812102..362278407679f245ebcea778f2199b357339e1fe 100644
--- a/src/main/java/net/minecraft/world/inventory/AnvilMenu.java
+++ b/src/main/java/net/minecraft/world/inventory/AnvilMenu.java
@@ -53,6 +53,7 @@ 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);
@@ -231,7 +232,7 @@ 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 e2d8d69c5ae8feb6840462ba8332344972658d83..59f0b1207931a2a10d559f43e2926b17e6991257 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> implements Anv
         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());