From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Martijn Muijsers <martijnmuijsers@live.nl>
Date: Wed, 23 Nov 2022 16:22:47 +0100
Subject: [PATCH] Simpler ShapelessRecipe comparison for vanilla

License: GPL-3.0 (https://www.gnu.org/licenses/gpl-3.0.html)
Gale - https://galemc.org

This patch is based on the following patch:
"Simpler ShapelessRecipes comparison for Vanilla"
By: Paul Sauve <paul@technove.co>
As part of: Airplane (https://github.com/TECHNOVE/Airplane)
Licensed under: GPL-3.0 (https://www.gnu.org/licenses/gpl-3.0.html)

* Airplane description *

Paper added a fancy sorting comparison due to Bukkit recipes breaking
the vanilla one, however this is far more advanced than what you need
for all the vanilla recipes.

* Airplane copyright *

Airplane
Copyright (C) 2020 Technove LLC

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <https://www.gnu.org/licenses/>.

diff --git a/net/minecraft/world/item/crafting/ShapelessRecipe.java b/net/minecraft/world/item/crafting/ShapelessRecipe.java
index d601b54b1de2f2ae44fe2b20c8116c71a6340e45..6a53e97d27d746621892ced4ca5b4a56b6bc4c23 100644
--- a/net/minecraft/world/item/crafting/ShapelessRecipe.java
+++ b/net/minecraft/world/item/crafting/ShapelessRecipe.java
@@ -23,8 +23,16 @@ public class ShapelessRecipe implements CraftingRecipe {
     final List<Ingredient> ingredients;
     @Nullable
     private PlacementInfo placementInfo;
+    private final boolean isBukkit; // Gale - Airplane - simpler ShapelessRecipe comparison for vanilla
 
     public ShapelessRecipe(String group, CraftingBookCategory category, ItemStack result, List<Ingredient> ingredients) {
+        // Gale start - Airplane - simpler ShapelessRecipe comparison for vanilla
+        this(group, category, result, ingredients, false);
+    }
+
+    public ShapelessRecipe(String group, CraftingBookCategory category, ItemStack result, List<Ingredient> ingredients, boolean isBukkit) {
+        this.isBukkit = isBukkit;
+        // Gale end - Airplane - simpler ShapelessRecipe comparison for vanilla
         this.group = group;
         this.category = category;
         this.result = result;
@@ -72,6 +80,29 @@ public class ShapelessRecipe implements CraftingRecipe {
 
     @Override
     public boolean matches(CraftingInput input, Level level) {
+        // Gale start - Airplane - simpler ShapelessRecipe comparison for vanilla
+        if (!this.isBukkit) {
+            java.util.List<Ingredient> ingredients = com.google.common.collect.Lists.newArrayList(this.ingredients.toArray(new Ingredient[0]));
+
+            inventory:
+            for (int index = 0; index < input.size(); index++) {
+                ItemStack itemStack = input.getItem(index);
+
+                if (!itemStack.isEmpty()) {
+                    for (int i = 0; i < ingredients.size(); i++) {
+                        if (ingredients.get(i).test(itemStack)) {
+                            ingredients.remove(i);
+                            continue inventory;
+                        }
+                    }
+
+                    return false;
+                }
+            }
+
+            return ingredients.isEmpty();
+        }
+        // Gale end - Airplane - simpler ShapelessRecipe comparison for vanilla
         // Paper start - Improve exact choice recipe ingredients & unwrap ternary
         if (input.ingredientCount() != this.ingredients.size()) {
             return false;