mmb.engine.inv.infty.CreativeInventory Maven / Gradle / Ivy

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/**
 * 
 */
package mmb.engine.inv.infty;

import java.util.Iterator;

import com.google.common.collect.Iterators;

import mmb.NN;
import mmb.engine.inv.Inventory;
import mmb.engine.inv.ItemRecord;
import mmb.engine.item.ItemEntry;
import mmb.engine.item.ItemType;
import mmb.engine.item.Items;
import mmb.engine.recipe.RecipeOutput;

/**
 * An inventory with unlimited item withdrawals and shredding
 * @author oskar
 */
public class CreativeInventory implements Inventory {
	/** The singleton instance of CreativeInventory */
	@NN public static final CreativeInventory INSTANCE = new CreativeInventory();
	private class CreativeWithdrawalItemRecord implements ItemRecord{
		@NN private final ItemEntry item;

		public CreativeWithdrawalItemRecord(ItemType item) {
			this.item = item.create();
		}
		public CreativeWithdrawalItemRecord(ItemEntry item) {
			this.item = item;
		}
		@Override
		public int amount() {
			return Integer.MAX_VALUE;
		}

		@Override
		public Inventory inventory() {
			return INSTANCE;
		}

		@Override
		public ItemEntry item() {
			return item;
		}

		@Override
		public int insert(int amount) {
			return 0;
		}

		@Override
		public int extract(int amount) {
			return amount;
		}

		@Override
		public boolean canInsert() {
			return false;
		}

		@Override
		public ItemRecord lockInsertions() {
			return this;
		}
		
	}

	//Info methods
	@Override
	public ItemRecord nget(ItemEntry entry) {
		return get(entry);
	}
	@Override
	public boolean isEmpty() {
		return false;
	}
	@Override
	public int size() {
		return Integer.MAX_VALUE;
	}
	@Override
	public double capacity() {
		return Double.POSITIVE_INFINITY;
	}
	@Override
	public double volume() {
		return Double.POSITIVE_INFINITY;
	}
	@Override
	public ItemRecord get(ItemEntry entry) {
		return new CreativeWithdrawalItemRecord(entry);
	}
	@SuppressWarnings("null")
	@Override
	public Iterator iterator() {
		return Iterators.transform(
				Items.items.iterator(), //list item types
				CreativeWithdrawalItemRecord::new //create new copies of the item
				);
	}

	//Creation methods
	@Override
	public int extract(ItemEntry ent, int amount) {
		return amount;
	}
	@Override
	public int extractRemain(int amount, ItemEntry item) {
		return amount;
	}
	@Override
	public int extractRemainBulk(int amount, RecipeOutput ent) {
		return amount;
	}
	@Override
	public int bulkExtract(RecipeOutput ent, int amount) {
		return amount;
	}
	
	//Shredding methods
	@Override
	public boolean test(ItemEntry e) {
		return true;
	}
	@Override
	public int bulkInsert(RecipeOutput ent, int amount) {
		return 0;
	}
	@Override
	public int insertibleRemainBulk(int amount, RecipeOutput ent) {
		return amount;
	}
	@Override
	public int insert(ItemEntry ent, int amount) {
		return 0;
	}
}