From b9534e1c48e3499555fcc9a8ae802903975efbd5 Mon Sep 17 00:00:00 2001
From: CraftBukkit/Spigot <noreply+git-craftbukkit@papermc.io>
Date: Tue, 15 Feb 2022 18:48:54 +1100
Subject: [PATCH] #1009: Add Furnace#getRecipesUsed

By: Doc <nachito94@msn.com>
---
 .../block/entity/TileEntityFurnace.patch      | 20 +++++++++++--------
 .../craftbukkit/block/CraftFurnace.java       | 20 +++++++++++++++++++
 2 files changed, 32 insertions(+), 8 deletions(-)

diff --git a/paper-server/nms-patches/net/minecraft/world/level/block/entity/TileEntityFurnace.patch b/paper-server/nms-patches/net/minecraft/world/level/block/entity/TileEntityFurnace.patch
index 64ae78b309..15aeaad1f4 100644
--- a/paper-server/nms-patches/net/minecraft/world/level/block/entity/TileEntityFurnace.patch
+++ b/paper-server/nms-patches/net/minecraft/world/level/block/entity/TileEntityFurnace.patch
@@ -21,7 +21,7 @@
  public abstract class TileEntityFurnace extends TileEntityContainer implements IWorldInventory, RecipeHolder, AutoRecipeOutput {
  
      protected static final int SLOT_INPUT = 0;
-@@ -182,6 +196,36 @@
+@@ -182,6 +196,40 @@
          return map;
      }
  
@@ -53,12 +53,16 @@
 +    public void setMaxStackSize(int size) {
 +        maxStack = size;
 +    }
++
++    public Object2IntOpenHashMap<MinecraftKey> getRecipesUsed() {
++        return this.recipesUsed; // PAIL private -> public
++    }
 +    // CraftBukkit end
 +
      private static boolean isNeverAFurnaceFuel(Item item) {
          return TagsItem.NON_FLAMMABLE_WOOD.contains(item);
      }
-@@ -265,13 +309,24 @@
+@@ -265,13 +313,24 @@
                  tileentityfurnace.cookingProgress = MathHelper.clamp(tileentityfurnace.cookingProgress - 2, (int) 0, tileentityfurnace.cookingTotalTime);
              }
          } else {
@@ -86,7 +90,7 @@
                      flag1 = true;
                      if (!itemstack.isEmpty()) {
                          Item item = itemstack.getItem();
-@@ -287,11 +342,23 @@
+@@ -287,11 +346,23 @@
              }
  
              if (tileentityfurnace.isLit() && canBurn(irecipe, tileentityfurnace.items, i)) {
@@ -111,7 +115,7 @@
                          tileentityfurnace.setRecipeUsed(irecipe);
                      }
  
-@@ -330,17 +397,44 @@
+@@ -330,17 +401,44 @@
          }
      }
  
@@ -157,7 +161,7 @@
  
              if (itemstack.is(Blocks.WET_SPONGE.asItem()) && !((ItemStack) nonnulllist.get(1)).isEmpty() && ((ItemStack) nonnulllist.get(1)).is(Items.BUCKET)) {
                  nonnulllist.set(1, new ItemStack(Items.WATER_BUCKET));
-@@ -364,7 +458,7 @@
+@@ -364,7 +462,7 @@
      }
  
      private static int getTotalCookTime(World world, Recipes<? extends RecipeCooking> recipes, IInventory iinventory) {
@@ -166,7 +170,7 @@
      }
  
      public static boolean isFuel(ItemStack itemstack) {
-@@ -483,14 +577,20 @@
+@@ -483,14 +581,20 @@
      @Override
      public void awardUsedRecipes(EntityHuman entityhuman) {}
  
@@ -189,7 +193,7 @@
          List<IRecipe<?>> list = Lists.newArrayList();
          ObjectIterator objectiterator = this.recipesUsed.object2IntEntrySet().iterator();
  
-@@ -499,14 +599,14 @@
+@@ -499,14 +603,14 @@
  
              worldserver.getRecipeManager().byKey((MinecraftKey) entry.getKey()).ifPresent((irecipe) -> {
                  list.add(irecipe);
@@ -206,7 +210,7 @@
          int j = MathHelper.floor((float) i * f);
          float f1 = MathHelper.frac((float) i * f);
  
-@@ -514,6 +614,17 @@
+@@ -514,6 +618,17 @@
              ++j;
          }
  
diff --git a/paper-server/src/main/java/org/bukkit/craftbukkit/block/CraftFurnace.java b/paper-server/src/main/java/org/bukkit/craftbukkit/block/CraftFurnace.java
index 5746082f5e..2c251acf34 100644
--- a/paper-server/src/main/java/org/bukkit/craftbukkit/block/CraftFurnace.java
+++ b/paper-server/src/main/java/org/bukkit/craftbukkit/block/CraftFurnace.java
@@ -1,11 +1,18 @@
 package org.bukkit.craftbukkit.block;
 
+import com.google.common.collect.ImmutableMap;
+import java.util.Map;
+import net.minecraft.resources.MinecraftKey;
 import net.minecraft.world.level.block.BlockFurnace;
 import net.minecraft.world.level.block.entity.TileEntityFurnace;
+import org.bukkit.Bukkit;
 import org.bukkit.World;
 import org.bukkit.block.Furnace;
 import org.bukkit.craftbukkit.inventory.CraftInventoryFurnace;
+import org.bukkit.craftbukkit.util.CraftNamespacedKey;
+import org.bukkit.inventory.CookingRecipe;
 import org.bukkit.inventory.FurnaceInventory;
+import org.bukkit.inventory.Recipe;
 
 public abstract class CraftFurnace<T extends TileEntityFurnace> extends CraftContainer<T> implements Furnace {
 
@@ -58,4 +65,17 @@ public abstract class CraftFurnace<T extends TileEntityFurnace> extends CraftCon
     public void setCookTimeTotal(int cookTimeTotal) {
         this.getSnapshot().cookingTotalTime = cookTimeTotal;
     }
+
+    @Override
+    public Map<CookingRecipe<?>, Integer> getRecipesUsed() {
+        ImmutableMap.Builder<CookingRecipe<?>, Integer> recipesUsed = ImmutableMap.builder();
+        for (Map.Entry<MinecraftKey, Integer> entrySet : this.getSnapshot().getRecipesUsed().object2IntEntrySet()) {
+            Recipe recipe = Bukkit.getRecipe(CraftNamespacedKey.fromMinecraft(entrySet.getKey()));
+            if (recipe instanceof CookingRecipe<?> cookingRecipe) {
+                recipesUsed.put(cookingRecipe, entrySet.getValue());
+            }
+        }
+
+        return recipesUsed.build();
+    }
 }