Paper/patches/api/0339-Expose-isFuel-and-canSmelt-methods-to-FurnaceInvento.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: BillyGalbreath <blake.galbreath@gmail.com>
Date: Thu, 23 Dec 2021 15:32:40 -0600
Subject: [PATCH] Expose isFuel and canSmelt methods to FurnaceInventory


diff --git a/src/main/java/org/bukkit/inventory/FurnaceInventory.java b/src/main/java/org/bukkit/inventory/FurnaceInventory.java
index 3f46259c1e0f82941ffc3038d1b51be199114abd..b9d4f05980d924a4831b1d213d4963199f5b9a5d 100644
--- a/src/main/java/org/bukkit/inventory/FurnaceInventory.java
+++ b/src/main/java/org/bukkit/inventory/FurnaceInventory.java
@@ -53,6 +53,24 @@ public interface FurnaceInventory extends Inventory {
      */
     void setSmelting(@Nullable ItemStack stack);
 
+    // Paper start
+    /**
+     * Check if an item can be used as a fuel source in this furnace container
+     *
+     * @param item Item to check
+     * @return True if a valid fuel source
+     */
+    public boolean isFuel(@Nullable ItemStack item);
+
+    /**
+     * Check if an item can be smelted in this furnace container
+     *
+     * @param item Item to check
+     * @return True if can be smelt
+     */
+    public boolean canSmelt(@Nullable ItemStack item);
+    // Paper end
+
     @Override
     @Nullable
     Furnace getHolder();