SpoutShapelessRecipe.java

/*
 * This file is part of SpoutcraftPlugin.
 *
 * Copyright (c) 2011 SpoutcraftDev <http://spoutcraft.org//>
 * SpoutcraftPlugin is licensed under the GNU Lesser General Public License.
 *
 * SpoutcraftPlugin is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * SpoutcraftPlugin 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.getspout.spoutapi.inventory;

import java.util.ArrayList;

import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.Recipe;
import org.bukkit.inventory.ShapelessRecipe;

import org.getspout.spoutapi.material.Material;

public class SpoutShapelessRecipe implements Recipe {
	private SpoutItemStack output;
	private ArrayList<Material> ingredients = new ArrayList<Material>();

	/**
	 * Create a shapeless recipe to craft the specified ItemStack. The constructor merely determines the
	 * result and type; to set the actual recipe, you'll need to call the appropriate methods.
	 * @param result The item you want the recipe to create.
	 * @see ShapelessRecipe#addIngredient(Material)
	 * @see ShapelessRecipe#addIngredient(MaterialData)
	 */
	public SpoutShapelessRecipe(ItemStack result) {
		this.output = new SpoutItemStack(result); // Deal with enchantments
	}

	/**
	 * Adds the specified ingredient.
	 * @param ingredient The ingredient to add.
	 * @return The changed recipe, so you can chain calls.
	 */
	public SpoutShapelessRecipe addIngredient(Material ingredient) {
		return addIngredient(1, ingredient);
	}

	/**
	 * Adds multiples of the specified ingredient.
	 * @param count      How many to add (can't be more than 9!)
	 * @param ingredient The ingredient to add.
	 * @return The changed recipe, so you can chain calls.
	 */
	public SpoutShapelessRecipe addIngredient(int count, Material ingredient) {
		if (ingredients.size() + count > 9) {
			throw new IllegalArgumentException("Shapeless recipes cannot have more than 9 ingredients");
		}
		while (count-- > 0) {
			ingredients.add(ingredient);
		}
		return this;
	}

	/**
	 * Removes an ingredient from the list. If the ingredient occurs multiple times,
	 * only one instance of it is removed.
	 * @param ingredient The ingredient to remove
	 * @return The changed recipe.
	 */
	public SpoutShapelessRecipe removeIngredient(Material ingredient) {
		this.ingredients.remove(ingredient);
		return this;
	}

	/**
	 * Get the result of this recipe.
	 * @return The result stack.
	 */
	public ItemStack getResult() {
		return output;
	}

	/**
	 * Get the list of ingredients used for this recipe.
	 * @return The input list
	 */
	public ArrayList<Material> getIngredientList() {
		return ingredients;
	}
}