OreDictionaryCrusherRecipe.java

package cyano.basemetals.registry.recipe;

import java.util.Collection;
import java.util.List;

import net.minecraft.item.ItemStack;
import net.minecraftforge.oredict.OreDictionary;

/**
 * This class is an implementation of the ICrusherRecipe superclass. It uses the OreDictionary to 
 * check the input item.
 * @author DrCyano
 *
 */
public class OreDictionaryCrusherRecipe implements ICrusherRecipe{

	private final ItemStack output;
	private final String oreDictSource;
	/**
	 * Constructs a new instance of this ICrusherRecipe class representing a recipe with an input 
	 * and an output.
	 * @param oreDictionaryID The input item(s), described by an OreDictionary name
	 * @param results The result of applying this recipe to an input item
	 */
	public OreDictionaryCrusherRecipe(String oreDictionaryID, ItemStack results){
		this.oreDictSource = oreDictionaryID;
		this.output = results;
	}

	/**
	 * Gets the output item from applying this recipe.
	 * @return An ItemStack instance of the result of this recipe
	 */
	@Override
	public ItemStack getOutput() {
		return output.copy();
	}
	/**
	 * Checks if the given ItemStack instance is the input for this recipe.
	 * @param input An ItemStack to test
	 * @return Returns true if and only if this recipe should produce an output item from the given 
	 * input.
	 */
	@Override
	public boolean isValidInput(ItemStack input) {
		List<ItemStack> validInputs = OreDictionary.getOres(oreDictSource);
		for(int i = 0; i < validInputs.size(); i++){
			if(validInputs.get(i).getMetadata() == OreDictionary.WILDCARD_VALUE){
				// do not compare metadata values
				if(validInputs.get(i).getItem() == input.getItem()){
					return true;
				}
			} else if(ItemStack.areItemsEqual(validInputs.get(i),input)){
				return true;
			}
		}
		return false;
	}
	/**
	 * Returns a list of all registered blocks/items for which <code>isValidInput(...)</code> would 
	 * return true. This method is only used for displaying recipes in NEI and does not need to be 
	 * performance optimized.
	 * @return A list of allowed inputs.
	 */
	@Override
	public Collection<ItemStack> getValidInputs() {
		return OreDictionary.getOres(oreDictSource);
	}

	
	
}