ActuallyAdditions/src/main/java/ellpeck/actuallyadditions/util/ItemUtil.java

/*
 * This file ("ItemUtil.java") is part of the Actually Additions Mod for Minecraft.
 * It is created and owned by Ellpeck and distributed
 * under the Actually Additions License to be found at
 * http://github.com/Ellpeck/ActuallyAdditions/blob/master/README.md
 * View the source code at https://github.com/Ellpeck/ActuallyAdditions
 *
 * © 2015 Ellpeck
 */

package ellpeck.actuallyadditions.util;

import cpw.mods.fml.common.registry.GameRegistry;
import ellpeck.actuallyadditions.creative.CreativeTab;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;

public class ItemUtil{

    public static Item getItemFromName(String name){
        if(Item.itemRegistry.containsKey(name)){
            return (Item)Item.itemRegistry.getObject(name);
        }
        return null;
    }

    public static void registerItems(Item[] items){
        for(Item item : items){
            register(item);
        }
    }

    public static void register(Item item){
        register(item, true);
    }

    public static void register(Item item, boolean addTab){
        item.setCreativeTab(addTab ? CreativeTab.instance : null);
        item.setUnlocalizedName(createUnlocalizedName(item));
        GameRegistry.registerItem(item, ((INameableItem)item).getName());
    }

    public static String createUnlocalizedName(Item item){
        return ModUtil.MOD_ID_LOWER+"."+((INameableItem)item).getName();
    }

    /**
     * Returns true if stacksOne contains every ItemStack in stackTwo
     */
    public static boolean containsAll(ItemStack[] stacksOne, ItemStack[] stacksTwo){
        for(ItemStack stackTwo : stacksTwo){
            if(!contains(stacksOne, stackTwo)){
                return false;
            }
        }
        return true;
    }

    /**
     * Returns true if array contains stack or if both contain null
     */
    public static boolean contains(ItemStack[] array, ItemStack stack){
        for(ItemStack aStack : array){
            if((stack == null && aStack == null) || (stack != null && aStack != null && aStack.isItemEqual(stack))){
                return true;
            }
        }
        return false;
    }
}