ItemBookFireball

package com.techmage.magetech.item;

import com.techmage.magetech.handler.SoulsHandler;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.entity.projectile.EntitySmallFireball;
import net.minecraft.item.ItemStack;
import net.minecraft.util.Vec3;
import net.minecraft.world.World;

public class ItemBookFireball extends ItemMageTech
{
    public static final int soulCost = 100;

    public ItemBookFireball()
    {
        super();

        this.setMaxStackSize(1);
    }

    @Override
    public ItemStack onItemRightClick(ItemStack itemStackIn, World worldIn, EntityPlayer playerIn)
    {
        if (SoulsHandler.hasEnoughSouls(playerIn, soulCost))
        {
            SoulsHandler.useSouls(playerIn, soulCost);

            Vec3 look = playerIn.getLookVec();
            EntitySmallFireball fireball = new EntitySmallFireball(worldIn, playerIn, 1, 1, 1);

            fireball.setPosition(playerIn.posX + look.xCoord * 5, playerIn.posY + 1 + look.yCoord * 5, playerIn.posZ + look.zCoord * 5);
            fireball.accelerationX = look.xCoord * 0.1;
            fireball.accelerationY = look.yCoord * 0.1;
            fireball.accelerationZ = look.zCoord * 0.1;

            worldIn.spawnEntityInWorld(fireball);
        }

        return itemStackIn;
    }
}