From f0398e444e43a9c63249e668eb85f5fecbb4b6db Mon Sep 17 00:00:00 2001
From: md_5 <git@md-5.net>
Date: Sat, 3 Nov 2018 21:04:33 +1100
Subject: SPIGOT-4438: Add choice API to furnace recipes

---
 nms-patches/FurnaceRecipe.patch                      | 20 +++++++++++++++-----
 .../craftbukkit/inventory/CraftFurnaceRecipe.java    | 13 +++++--------
 2 files changed, 20 insertions(+), 13 deletions(-)

diff --git a/nms-patches/FurnaceRecipe.patch b/nms-patches/FurnaceRecipe.patch
index 4d150e73..a26f71d9 100644
--- a/nms-patches/FurnaceRecipe.patch
+++ b/nms-patches/FurnaceRecipe.patch
@@ -1,17 +1,23 @@
 --- a/net/minecraft/server/FurnaceRecipe.java
 +++ b/net/minecraft/server/FurnaceRecipe.java
-@@ -2,6 +2,10 @@
+@@ -2,6 +2,16 @@
  
  import com.google.gson.JsonElement;
  import com.google.gson.JsonObject;
++// CraftBukkit start
++import java.util.ArrayList;
++import java.util.List;
 +import org.bukkit.craftbukkit.inventory.CraftFurnaceRecipe;
 +import org.bukkit.craftbukkit.inventory.CraftItemStack;
++import org.bukkit.craftbukkit.util.CraftMagicNumbers;
 +import org.bukkit.craftbukkit.util.CraftNamespacedKey;
 +import org.bukkit.inventory.Recipe;
++import org.bukkit.inventory.RecipeChoice;
++// CraftBukkit end
  
  public class FurnaceRecipe implements IRecipe {
  
-@@ -56,6 +60,19 @@
+@@ -56,6 +66,23 @@
          return this.key;
      }
  
@@ -20,9 +26,13 @@
 +        CraftItemStack result = CraftItemStack.asCraftMirror(this.result);
 +        RecipeItemStack list = this.ingredient;
 +        list.buildChoices();
-+        net.minecraft.server.ItemStack stack = list.choices[0];
 +
-+        CraftFurnaceRecipe recipe = new CraftFurnaceRecipe(CraftNamespacedKey.fromMinecraft(this.key), result, CraftItemStack.asCraftMirror(stack), this.experience, this.cookingTime);
++        List<org.bukkit.Material> choices = new ArrayList<>(list.choices.length);
++        for (ItemStack i : list.choices) {
++            choices.add(CraftMagicNumbers.getMaterial(i.getItem()));
++        }
++
++        CraftFurnaceRecipe recipe = new CraftFurnaceRecipe(CraftNamespacedKey.fromMinecraft(this.key), result, new RecipeChoice.MaterialChoice(choices), this.experience, this.cookingTime);
 +        recipe.setGroup(this.group);
 +
 +        return recipe;
@@ -31,7 +41,7 @@
      public static class a implements RecipeSerializer<FurnaceRecipe> {
  
          public a() {}
-@@ -106,11 +123,11 @@
+@@ -106,11 +133,11 @@
              return "smelting";
          }
  
diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftFurnaceRecipe.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftFurnaceRecipe.java
index a3c3f6e3..4ae2fafb 100644
--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftFurnaceRecipe.java
+++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftFurnaceRecipe.java
@@ -1,24 +1,22 @@
 package org.bukkit.craftbukkit.inventory;
 
-import java.util.stream.Stream;
 import net.minecraft.server.MinecraftServer;
-import net.minecraft.server.RecipeItemStack;
-
 import org.bukkit.NamespacedKey;
 import org.bukkit.craftbukkit.util.CraftNamespacedKey;
 import org.bukkit.inventory.FurnaceRecipe;
 import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.RecipeChoice;
 
 public class CraftFurnaceRecipe extends FurnaceRecipe implements CraftRecipe {
-    public CraftFurnaceRecipe(NamespacedKey key, ItemStack result, ItemStack source, float experience, int cookingTime) {
-        super(key, result, source.getType(), source.getDurability(), experience, cookingTime);
+    public CraftFurnaceRecipe(NamespacedKey key, ItemStack result, RecipeChoice source, float experience, int cookingTime) {
+        super(key, result, source, experience, cookingTime);
     }
 
     public static CraftFurnaceRecipe fromBukkitRecipe(FurnaceRecipe recipe) {
         if (recipe instanceof CraftFurnaceRecipe) {
             return (CraftFurnaceRecipe) recipe;
         }
-        CraftFurnaceRecipe ret = new CraftFurnaceRecipe(recipe.getKey(), recipe.getResult(), recipe.getInput(), recipe.getExperience(), recipe.getCookingTime());
+        CraftFurnaceRecipe ret = new CraftFurnaceRecipe(recipe.getKey(), recipe.getResult(), recipe.getInputChoice(), recipe.getExperience(), recipe.getCookingTime());
         ret.setGroup(recipe.getGroup());
         return ret;
     }
@@ -26,8 +24,7 @@ public class CraftFurnaceRecipe extends FurnaceRecipe implements CraftRecipe {
     @Override
     public void addToCraftingManager() {
         ItemStack result = this.getResult();
-        RecipeItemStack input = new RecipeItemStack(Stream.of(new RecipeItemStack.StackProvider(CraftItemStack.asNMSCopy(this.getInput()))));
 
-        MinecraftServer.getServer().getCraftingManager().a(new net.minecraft.server.FurnaceRecipe(CraftNamespacedKey.toMinecraft(this.getKey()), this.getGroup(), input, CraftItemStack.asNMSCopy(result), getExperience(), getCookingTime()));
+        MinecraftServer.getServer().getCraftingManager().a(new net.minecraft.server.FurnaceRecipe(CraftNamespacedKey.toMinecraft(this.getKey()), this.getGroup(), toNMS(this.getInputChoice()), CraftItemStack.asNMSCopy(result), getExperience(), getCookingTime()));
     }
 }
-- 
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