/// <summary>
/// If amountRequested is greater than amount allowed (e.g. more health requested than MaxHealth), returns amount corresponding to max allowed
/// </summary>
/// <param name="ship"></param>
/// <param name="serviceType"></param>
/// <param name="amountAllowed"></param>
/// <returns></returns>
public float GetTotalServicePrice(PortServiceRequestData serviceData)
{
if (!_servicesForSale.ContainsKey(serviceData.ServiceType))//Ideally we'll never get here
{
return(float.MaxValue);
}
return(_servicesForSale[serviceData.ServiceType].GetTotalPrice(serviceData));
}
public override bool Execute(PortServiceRequestData serviceRequestData)
{
serviceRequestData.ReceivingShip.CurrentHealth += serviceRequestData.NumUnits;
if (serviceRequestData.ReceivingShip.CurrentHealth > serviceRequestData.ReceivingShip.MaxHealth)
{
serviceRequestData.ReceivingShip.CurrentHealth = serviceRequestData.ReceivingShip.MaxHealth;
}
return(true);
}
/// <summary>
/// May modify serviceRequestData.NumUnits
/// </summary>
/// <param name="serviceRequestData"></param>
/// <returns></returns>
public virtual PurchaseResult ValidateRequest(PortServiceRequestData serviceRequestData)
{
var ship = serviceRequestData.ReceivingShip;
if (GetNumAllowed(serviceRequestData) < serviceRequestData.NumUnits)
{
return(PurchaseResult.TooManyUnitsRequested);
}
serviceRequestData.TotalPrice = port.GetTotalServicePrice(serviceRequestData);
if (ship.Cargo.GetCargoAmount(StatelessCargoTypes.Cash) < serviceRequestData.TotalPrice)
{
return(PurchaseResult.NotEnoughCash);
}
return(PurchaseResult.Success);
}
/// <summary>
/// Checks if a service request is valid. Sets serviceRequestData.TotalPrice
/// </summary>
/// <param name="serviceRequestData"></param>
/// <returns></returns>
public PurchaseResult ValidatePurchaseResult(PortServiceRequestData serviceRequestData)
{
var ship = serviceRequestData.ReceivingShip;
if (!ServicesForSale.ContainsKey(serviceRequestData.ServiceType))//Make sure port offers this service
{
return(PurchaseResult.ServiceNotAvailable);
}
else if (Id != ship.CurrentAreaId)//Make sure the IShip is actually docked
{
return(PurchaseResult.WrongArea);
}
else if (!ShipIDs.Contains(ship.Id))
{
ConsoleManager.WriteLine("Inconsistent state between Ship.CurrentAreaID and port.ShipIDs", ConsoleMessageType.Error);
return(PurchaseResult.WrongArea);
}
else
{
return(_servicesForSale[serviceRequestData.ServiceType].ValidateRequest(serviceRequestData));
}
}
public override float GetTotalPrice(PortServiceRequestData serviceRequestData)
{
return(serviceRequestData.NumUnits * CurrentPrice);
}
public override float GetNumAllowed(PortServiceRequestData serviceRequestData)
{
return(serviceRequestData.ReceivingShip.MaxHealth - serviceRequestData.ReceivingShip.CurrentHealth);
}
public abstract float GetNumAllowed(PortServiceRequestData serviceRequestData);
public abstract float GetTotalPrice(PortServiceRequestData serviceRequestData);
/// <summary> /// Should return true upon succesful completion. /// </summary> /// <param name="data"></param> /// <returns></returns> public abstract bool Execute(PortServiceRequestData requestData);
