Ship builder

/// <summary>
/// Director class 
/// </summary>
class Director : MonoBehaviour {

    private AbstractShipBuilder _shipBuilder;

    public void SetShipBuilder(AbstractShipBuilder builder)
    {
        _shipBuilder = builder;
    }

    public BaseShip GetBaseShip()
    {
        return _shipBuilder.GetBaseShip();
    }

    public void ConstructBaseShip(ShipStats stats, ShipMovementComponent movementComp, EngineComponent engineComp)
    {
        _shipBuilder.CreateNewBaseShip();
        _shipBuilder.BuildStats(stats);
        _shipBuilder.BuildEngineComponent(engineComp);
        _shipBuilder.BuildMovementComponent(movementComp);
    }
}

/// <summary>
/// Abstract builder 
/// </summary>
abstract class AbstractShipBuilder {

    protected BaseShip baseShip;

    public BaseShip GetBaseShip()
    {
        return baseShip;
    }

    public void CreateNewBaseShip()
    {
        baseShip = new BaseShip();
    }

    public abstract void BuildStats(ShipStats stats);
    public abstract void BuildMovementComponent(ShipMovementComponent movementComp);
    public abstract void BuildEngineComponent(EngineComponent engineComp);
}

/// <summary>
/// Concrete Ship builder 
/// </summary>
class ConcreteShipBuilder : AbstractShipBuilder {

    public override void BuildStats(ShipStats stats)
    {
        baseShip.SetStats(stats);
    }

    public override void BuildMovementComponent(ShipMovementComponent movementComp)
    {
        baseShip.SetMovementComponent(movementComp);
    }

    public override void BuildEngineComponent(EngineComponent engineComp)
    {
        baseShip.SetEngineComponent(engineComp);
    }
}