From 1ceee63341927e71e23293be6cb7466bd3045e9e Mon Sep 17 00:00:00 2001
From: Parker Hawke <hawkeboyz2@hotmail.com>
Date: Fri, 5 Oct 2018 21:48:54 -0400
Subject: [PATCH] Implement maximum repair cost API to AnvilInventory

---
 nms-patches/ContainerAnvil.patch              | 32 ++++++++++++++-----
 .../inventory/CraftInventoryAnvil.java        | 12 +++++++
 2 files changed, 36 insertions(+), 8 deletions(-)

diff --git a/nms-patches/ContainerAnvil.patch b/nms-patches/ContainerAnvil.patch
index 12c342d825..c5787ca814 100644
--- a/nms-patches/ContainerAnvil.patch
+++ b/nms-patches/ContainerAnvil.patch
@@ -11,11 +11,12 @@
  public class ContainerAnvil extends Container {
  
      private static final Logger f = LogManager.getLogger();
-@@ -22,8 +26,14 @@
+@@ -22,8 +26,15 @@
      private int k;
      public String renameText;
      private final EntityHuman m;
 +    // CraftBukkit start
++    public int maximumRepairCost = 40;
 +    private int lastLevelCost;
 +    private CraftInventoryView bukkitEntity;
 +    private PlayerInventory player;
@@ -26,7 +27,7 @@
          this.j = blockposition;
          this.i = world;
          this.m = entityhuman;
-@@ -111,7 +121,7 @@
+@@ -111,7 +122,7 @@
          byte b1 = 0;
  
          if (itemstack.isEmpty()) {
@@ -35,7 +36,7 @@
              this.levelCost = 0;
          } else {
              ItemStack itemstack1 = itemstack.cloneItemStack();
-@@ -129,7 +139,7 @@
+@@ -129,7 +140,7 @@
                  if (itemstack1.e() && itemstack1.getItem().a(itemstack, itemstack2)) {
                      k = Math.min(itemstack1.getDamage(), itemstack1.h() / 4);
                      if (k <= 0) {
@@ -44,7 +45,7 @@
                          this.levelCost = 0;
                          return;
                      }
-@@ -144,7 +154,7 @@
+@@ -144,7 +155,7 @@
                      this.k = l;
                  } else {
                      if (!flag && (itemstack1.getItem() != itemstack2.getItem() || !itemstack1.e())) {
@@ -53,7 +54,7 @@
                          this.levelCost = 0;
                          return;
                      }
-@@ -237,7 +247,7 @@
+@@ -237,7 +248,7 @@
                      }
  
                      if (flag2 && !flag1) {
@@ -62,7 +63,22 @@
                          this.levelCost = 0;
                          return;
                      }
-@@ -284,7 +294,7 @@
+@@ -261,11 +272,11 @@
+                 itemstack1 = ItemStack.a;
+             }
+ 
+-            if (b1 == i && b1 > 0 && this.levelCost >= 40) {
+-                this.levelCost = 39;
++            if (b1 == i && b1 > 0 && this.levelCost >= maximumRepairCost) { // CraftBukkit
++                this.levelCost = maximumRepairCost - 1; // CraftBukkit
+             }
+ 
+-            if (this.levelCost >= 40 && !this.m.abilities.canInstantlyBuild) {
++            if (this.levelCost >= maximumRepairCost && !this.m.abilities.canInstantlyBuild) { // CraftBukkit
+                 itemstack1 = ItemStack.a;
+             }
+ 
+@@ -284,7 +295,7 @@
                  EnchantmentManager.a(map, itemstack1);
              }
  
@@ -71,7 +87,7 @@
              this.b();
          }
      }
-@@ -302,6 +312,7 @@
+@@ -302,6 +313,7 @@
      }
  
      public boolean canUse(EntityHuman entityhuman) {
@@ -79,7 +95,7 @@
          return !this.i.getType(this.j).a(TagsBlock.ANVIL) ? false : entityhuman.d((double) this.j.getX() + 0.5D, (double) this.j.getY() + 0.5D, (double) this.j.getZ() + 0.5D) <= 64.0D;
      }
  
-@@ -357,4 +368,33 @@
+@@ -357,4 +369,33 @@
  
          this.d();
      }
diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftInventoryAnvil.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftInventoryAnvil.java
index f9bbd71125..ca19600da5 100644
--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftInventoryAnvil.java
+++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftInventoryAnvil.java
@@ -1,5 +1,6 @@
 package org.bukkit.craftbukkit.inventory;
 
+import com.google.common.base.Preconditions;
 import net.minecraft.server.ContainerAnvil;
 import net.minecraft.server.IInventory;
 import org.bukkit.Location;
@@ -71,4 +72,15 @@ public class CraftInventoryAnvil extends CraftInventory implements AnvilInventor
     public void setRepairCost(int i) {
         container.levelCost = i;
     }
+
+    @Override
+    public int getMaximumRepairCost() {
+        return container.maximumRepairCost;
+    }
+
+    @Override
+    public void setMaximumRepairCost(int levels) {
+        Preconditions.checkArgument(levels >= 0, "Maximum repair cost must be positive (or 0)");
+        container.maximumRepairCost = levels;
+    }
 }