RecipeUpgradeStone.java

package com.vanhal.recallstones.recipes;

import com.vanhal.recallstones.RecallStones;
import com.vanhal.recallstones.items.ItemDimensionStone;
import com.vanhal.recallstones.items.ItemRecallStone;
import com.vanhal.recallstones.items.RecallItems;

import net.minecraft.init.Items;
import net.minecraft.inventory.InventoryCrafting;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.item.crafting.IRecipe;
import net.minecraft.item.crafting.ShapedRecipes;
import net.minecraft.world.World;
import net.minecraftforge.common.ForgeHooks;

//recipe for upgrading a recall stone to a dimensional stone
public class RecipeUpgradeStone implements IRecipe {
	private ItemStack recallStone;
	private ItemStack dimenionalStone;
	
	public Item[] recipeList = {
			Items.ENDER_PEARL, Items.BLAZE_ROD, Items.ENDER_PEARL, 
			Items.BLAZE_ROD, RecallItems.itemRecallStone, Items.BLAZE_ROD, 
			Items.ENDER_PEARL, Items.BLAZE_ROD, Items.ENDER_PEARL
		};

	public RecipeUpgradeStone(ItemStack in, ItemStack out) {
		this.recallStone = in;
		this.dimenionalStone = out;
	}
	
	public ItemStack getCraftingResult(InventoryCrafting inv) {
		ItemStack stone = null;
		for (int i = 0; i < 9; i++) {
			ItemStack itemstack = inv.getStackInSlot(i);
			if (itemstack != null) {
				if (itemstack.getItem() instanceof ItemRecallStone) {
					stone = itemstack;
					break;
				}
			}
		}
		if (stone == null) return null;

		ItemRecallStone oldStone = (ItemRecallStone) stone.getItem();
		ItemStack output = dimenionalStone.copy();
		ItemDimensionStone newStone = (ItemDimensionStone) output.getItem();
		newStone.setLocation(output,
				oldStone.getDimension(stone),
				oldStone.getLocX(stone),
				oldStone.getLocY(stone),
				oldStone.getLocZ(stone));

		// Caary over depleted energy, but increase if max increased
		int less = oldStone.maxCharge - oldStone.getCharge(stone);
		newStone.setCharge(output, newStone.maxCharge - less);
		if (stone.getDisplayName() != "") {
			output.setStackDisplayName(stone.getDisplayName());
		}
		return output;
	}

	public ItemStack getRecipeOutput() {
		return dimenionalStone.copy();
	}

	public int getRecipeSize() {
		return 9;
	}
	
	public boolean matches(InventoryCrafting inv, World world) {
		if (inv.getSizeInventory()==9) {
			for (int i = 0; i < 9; i++) {
				ItemStack itemstack = inv.getStackInSlot(i);
				if (itemstack == null) {
					return false;
				} else if (itemstack.getItem()!=recipeList[i]) {
					return false;
				}
			}
			if (inv.getStackInRowAndColumn(1, 1).getItem() instanceof ItemRecallStone) {
				return true;
			}
			return false;
		} else {
			return false;
		}
		
	}

	@Override
	public ItemStack[] getRemainingItems(InventoryCrafting inv) {
        return ForgeHooks.defaultRecipeGetRemainingItems(inv);
	}
	
}