Applied-Energistics-2-tiler.../recipes/handlers/Shaped.java

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package appeng.recipes.handlers;
import java.util.ArrayList;
import java.util.List;
import net.minecraft.item.ItemStack;
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import appeng.api.exceptions.MissingIngredientError;
import appeng.api.exceptions.RecipeError;
import appeng.api.exceptions.RegistrationError;
import appeng.api.recipes.ICraftHandler;
import appeng.api.recipes.IIngredient;
import appeng.core.AELog;
import appeng.recipes.Recipes.ShapedRecipe;
import cpw.mods.fml.common.registry.GameRegistry;
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public class Shaped implements ICraftHandler
{
private int rows;
private int cols;
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List<List<IIngredient>> inputs;
IIngredient output;
@Override
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public void setup(List<List<IIngredient>> input, List<List<IIngredient>> output) throws RecipeError
{
if ( output.size() == 1 && output.get( 0 ).size() == 1 )
{
rows = input.size();
if ( rows > 0 && input.size() <= 3 )
{
cols = input.get( 0 ).size();
if ( cols <= 3 && cols >= 1 )
{
for (int x = 0; x < input.size(); x++)
if ( input.get( x ).size() != cols )
throw new RecipeError( "all rows in a shaped crafting recipe must contain the same number of ingredients." );
inputs = input;
this.output = output.get( 0 ).get( 0 );
}
else
throw new RecipeError( "Crafting recipes must have 1-3 columns." );
}
else
throw new RecipeError( "shaped crafting recpies must have 1-3 rows." );
}
else
throw new RecipeError( "Crafting must produce a single output." );
}
@Override
public void register() throws RegistrationError, MissingIngredientError
{
char first = 'A';
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List<Object> args = new ArrayList<Object>();
for (int y = 0; y < rows; y++)
{
String row = "";
for (int x = 0; x < cols; x++)
{
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if ( inputs.get( y ).get( x ).isAir() )
row = row + " ";
else
{
row = row + first;
args.add( first );
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args.add( inputs.get( y ).get( x ).getItemStackSet() );
first++;
}
}
args.add( y, new String( row ) );
}
ItemStack outIS = output.getItemStack();
try
{
GameRegistry.addRecipe( new ShapedRecipe( outIS, args.toArray( new Object[args.size()] ) ) );
}
catch (Throwable e)
{
AELog.error( e );
throw new RegistrationError( "Error while adding shaped recipe." );
}
}
}