RequirementItemWrapper.java

package joshie.harvest.plugins.crafttweaker.wrappers;

import joshie.harvest.core.helpers.InventoryHelper;
import joshie.harvest.shops.requirement.AbstractRequirement;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.ItemStack;
import net.minecraft.world.World;

import static joshie.harvest.core.helpers.InventoryHelper.ITEM_STACK;

public class RequirementItemWrapper extends AbstractRequirement {
    public RequirementItemWrapper(ItemStack stack, int cost) {
        super(stack, cost);
    }

    @Override
    public boolean isFulfilled(World world, EntityPlayer player, int amount) {
        return InventoryHelper.hasInInventory(player, ITEM_STACK, getIcon(), (cost * amount));
    }

    @Override
    public void onPurchased(EntityPlayer player) {
        InventoryHelper.takeItemsInInventory(player, ITEM_STACK, getIcon(), cost);
    }
}