gt: 				final ItemStack is = set[x].copy();
context: /*
   * This file is part of Applied Energistics 2.
   * Copyright (c) 2013 - 2015, AlgorithmX2, All rights reserved.
   *
   * Applied Energistics 2 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.
   *
   * Applied Energistics 2 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 Applied Energistics 2.  If not, see <http://www.gnu.org/licenses/lgpl>.
   */
  
  package appeng.recipes;
  
  
  import java.util.List;
  
  import com.google.common.base.Preconditions;
  
  import net.minecraft.block.Block;
  import net.minecraft.item.Item;
  import net.minecraft.item.ItemStack;
  import net.minecraft.nbt.NBTTagCompound;
  import net.minecraftforge.oredict.OreDictionary;
  
  import cpw.mods.fml.common.registry.GameRegistry;
  
  import appeng.api.AEApi;
  import appeng.api.exceptions.MissingIngredientError;
  import appeng.api.exceptions.RecipeError;
  import appeng.api.exceptions.RegistrationError;
  import appeng.api.recipes.IIngredient;
  import appeng.api.recipes.ResolverResult;
  import appeng.api.recipes.ResolverResultSet;
  
  
  public class Ingredient implements IIngredient
  {
  
  	private final boolean isAir;
  	private final String nameSpace;
  	private final String itemName;
  	private final int meta;
  	private final int qty;
  	private NBTTagCompound nbt = null;
  	private ItemStack[] baked;
  
  	public Ingredient( final RecipeHandler handler, final String input, final int qty ) throws RecipeError, MissedIngredientSet
  	{
  		Preconditions.checkNotNull( handler );
  		Preconditions.checkNotNull( input );
  		Preconditions.checkState( qty > 0 );
  
  		// works no matter wat!
  		this.qty = qty;
  
  		if( input.equals( "_" ) )
  		{
  			this.isAir = true;
  			this.nameSpace = "";
  			this.itemName = "";
  			this.meta = OreDictionary.WILDCARD_VALUE;
  			return;
  		}
  
  		this.isAir = false;
  		final String[] parts = input.split( ":" );
  		if( parts.length >= 2 )
  		{
  			this.nameSpace = handler.alias( parts[0] );
  			String tmpName = handler.alias( parts[1] );
  
  			if( parts.length != 3 )
  			{
  				int sel = 0;
  
  				if( this.nameSpace.equals( "oreDictionary" ) )
  				{
  					if( parts.length == 3 )
  					{
  						throw new RecipeError( "Cannot specify meta when using ore dictionary." );
  					}
  					sel = OreDictionary.WILDCARD_VALUE;
  				}
  				else
  				{
  					try
  					{
  						final Object ro = AEApi.instance().registries().recipes().resolveItem( this.nameSpace, tmpName );
  						if( ro instanceof ResolverResult )
  						{
  							final ResolverResult rr = (ResolverResult) ro;
  							tmpName = rr.itemName;
  							sel = rr.damageValue;
  							this.nbt = rr.compound;
  						}
  						else if( ro instanceof ResolverResultSet )
  						{
  							throw new MissedIngredientSet( (ResolverResultSet) ro );
  						}
  					}
  					catch( final IllegalArgumentException e )
  					{
  						throw new RecipeError( tmpName + " is not a valid ae2 item definition." );
  					}
  				}
  
  				this.meta = sel;
  			}
  			else
  			{
  				if( parts[2].equals( "*" ) )
  				{
  					this.meta = OreDictionary.WILDCARD_VALUE;
  				}
  				else
  				{
  					try
  					{
  						this.meta = Integer.parseInt( parts[2] );
  					}
  					catch( final NumberFormatException e )
  					{
  						throw new RecipeError( "Invalid Metadata." );
  					}
  				}
  			}
  			this.itemName = tmpName;
  		}
  		else
  		{
  			throw new RecipeError( input + " : Needs at least Namespace and Name." );
  		}
  
  		handler.getData().knownItem.add( this.toString() );
  	}
  
  	@Override
  	public String toString()
  	{
  		return this.nameSpace + ':' + this.itemName + ':' + this.meta;
  	}
  
  	@Override
  	public ItemStack getItemStack() throws RegistrationError, MissingIngredientError
  	{
  		if( this.isAir )
  		{
  			throw new RegistrationError( "Found blank item and expected a real item." );
  		}
  
  		if( this.nameSpace.equalsIgnoreCase( "oreDictionary" ) )
  		{
  			throw new RegistrationError( "Recipe format expected a single item, but got a set of items." );
  		}
  
  		Block blk = GameRegistry.findBlock( this.nameSpace, this.itemName );
  		if( blk == null )
  		{
  			blk = GameRegistry.findBlock( this.nameSpace, "tile." + this.itemName );
  		}
  
  		if( blk != null )
  		{
  			final Item it = Item.getItemFromBlock( blk );
  			if( it != null )
  			{
  				return this.makeItemStack( it, this.qty, this.meta, this.nbt );
  			}
  		}
  
  		Item it = GameRegistry.findItem( this.nameSpace, this.itemName );
  		if( it == null )
  		{
  			it = GameRegistry.findItem( this.nameSpace, "item." + this.itemName );
  		}
  
  		if( it != null )
  		{
  			return this.makeItemStack( it, this.qty, this.meta, this.nbt );
  		}
  
  		/*
  		 * Object o = Item.itemRegistry.getObject( nameSpace + ":" + itemName ); if ( o instanceof Item ) return new
  		 * ItemStack( (Item) o, qty, meta );
  		 * if ( o instanceof Block ) return new ItemStack( (Block) o, qty, meta );
  		 * o = Item.itemRegistry.getObject( nameSpace + ":item." + itemName ); if ( o instanceof Item ) return new
  		 * ItemStack( (Item) o, qty, meta );
  		 * o = Block.blockRegistry.getObject( nameSpace + ":tile." + itemName ); if ( o instanceof Block && (!(o
  		 * instanceof BlockAir)) ) return new ItemStack( (Block) o, qty, meta );
  		 */
  
  		throw new MissingIngredientError( "Unable to find item: " + this.toString() );
  	}
  
  	private ItemStack makeItemStack( final Item it, final int quantity, final int damageValue, final NBTTagCompound compound )
  	{
  		final ItemStack is = new ItemStack( it, quantity, damageValue );
  		is.setTagCompound( compound );
  		return is;
  	}
  
  	@Override
  	public ItemStack[] getItemStackSet() throws RegistrationError, MissingIngredientError
  	{
  		if( this.baked != null )
  		{
  			return this.baked;
  		}
  
  		if( this.nameSpace.equalsIgnoreCase( "oreDictionary" ) )
  		{
  			final List<ItemStack> ores = OreDictionary.getOres( this.itemName );
  			final ItemStack[] set = ores.toArray( new ItemStack[ores.size()] );
  
  			// clone and set qty.
  			for( int x = 0; x < set.length; x++ )
  			{
  