EmblemCrafting.java

package mods.ocminecart.common.recipe;

import mods.ocminecart.common.items.ItemComputerCart;
import mods.ocminecart.common.items.ModItems;
import mods.ocminecart.common.util.ComputerCartData;
import mods.railcraft.api.core.items.IToolCrowbar;
import mods.railcraft.common.emblems.EmblemToolsServer;
import mods.railcraft.common.emblems.ItemEmblem;
import net.minecraft.inventory.InventoryCrafting;
import net.minecraft.item.ItemStack;
import net.minecraft.item.crafting.IRecipe;
import net.minecraft.world.World;

public class EmblemCrafting implements IRecipe {

	@Override
	public boolean matches(InventoryCrafting grid, World p_77569_2_) {
		int e = findEmblem(grid);
		int c = findCrowbar(grid);
		return (findResult(grid)!=-1 && ((e!=-1 && c==-1) || (e==-1 && c!=-1)));
	}

	@Override
	public ItemStack getCraftingResult(InventoryCrafting grid) {
		if(!matches(grid,null)) return null;
		int e = findEmblem(grid);
		int c = findCrowbar(grid);
		int r = findResult(grid);
		ItemStack res = grid.getStackInSlot(r).copy();
		ComputerCartData data = ItemComputerCart.getData(res);
		if(data==null) data = new ComputerCartData();
		
		if(c!=-1)
			data.setEmblem("");
		else if(e!=-1){
			String emid = EmblemToolsServer.getEmblemIdentifier(grid.getStackInSlot(e));
			data.setEmblem(emid);
		}
		ItemComputerCart.setData(res, data);
		return res;
	}

	@Override
	public int getRecipeSize() {
		return 2;
	}

	@Override
	public ItemStack getRecipeOutput() {
		return new ItemStack(ModItems.item_ComputerCart,1);
	}
	
	private int findEmblem(InventoryCrafting grid){
		int size = grid.getSizeInventory();
		for(int i=0; i<size; i+=1){
			ItemStack stack = grid.getStackInSlot(i);
			if(stack!=null && stack.getItem() == ItemEmblem.item)
				return i;
		}
		return -1;
	}
	
	private int findCrowbar(InventoryCrafting grid){
		int size = grid.getSizeInventory();
		for(int i=0; i<size; i+=1){
			ItemStack stack = grid.getStackInSlot(i);
			if(stack!=null && (stack.getItem() instanceof IToolCrowbar))
				return i;
		}
		return -1;
	}
	
	private int findResult(InventoryCrafting grid){
		int size = grid.getSizeInventory();
		for(int i=0; i<size; i+=1){
			ItemStack stack = grid.getStackInSlot(i);
			if(stack!=null && stack.getItem() == ModItems.item_ComputerCart)
				return i;
		}
		return -1;
	}

}