/// <summary>
/// Do all the launch things.
/// </summary>
/// <param name="transferList"></param>
/// <returns></returns>
protected bool DoLaunchTasks(List <OrbitalLogisticsTransferRequest> transferList)
{
if (transferList.Contains(this))
{
return(false);
}
// Deduct the resources from the origin vessel
double deductedAmount;
foreach (var request in ResourceRequests)
{
deductedAmount = Origin.ExchangeResources(request.ResourceDefinition, -request.TransferAmount);
request.TransferAmount = Math.Abs(deductedAmount);
}
// Since the mass and fuel required won't change after launch, cache them
// to prevent running the calculations repeatedly
Status = DeliveryStatus.PreLaunch; // TotalMass and CalculateFuelUnits will return cached values if Status is not PreLaunch
_mass = TotalMass();
_fuelUnits = CalculateFuelUnits();
// Perform other launch tasks
DoFinalLaunchTasks(transferList);
return(true);
}
/// <summary>
/// Executes the resource transfers between the source and destination vessels.
/// </summary>
public IEnumerator Deliver()
{
// If either vessel no longer exists, fail.
if (Origin == null || Destination == null)
{
Status = DeliveryStatus.Failed;
yield break;
}
// If the vessels are no longer in the same SoI, fail.
if (Origin.mainBody != Destination.mainBody)
{
Status = DeliveryStatus.Failed;
yield break;
}
// If either of the vessels is no longer in an allowed situation, fail.
if (Origin.protoVessel.situation != (Origin.protoVessel.situation & ALLOWED_SITUATIONS) ||
Destination.protoVessel.situation != (Destination.protoVessel.situation & ALLOWED_SITUATIONS))
{
Status = DeliveryStatus.Failed;
yield break;
}
// Exchange resources between origin and destination vessels
bool deliveredAll = true;
double deliveredAmount;
double precisionTolerance;
foreach (var request in ResourceRequests)
{
// If transfer was cancelled, return resources to origin vessel
if (Status == DeliveryStatus.Returning)
{
deliveredAmount = Origin.ExchangeResources(request.ResourceDefinition, request.TransferAmount);
}
// Otherwise, deliver resources to destination vessel
else
{
deliveredAmount = Destination.ExchangeResources(request.ResourceDefinition, request.TransferAmount);
}
// Because with floating point math, 1 minus 1 doesn't necessarily equal 0. ^_^
precisionTolerance = Math.Abs(request.TransferAmount) * 0.001;
deliveredAll &= Math.Abs(request.TransferAmount - Math.Abs(deliveredAmount)) <= precisionTolerance;
yield return(null);
}
if (Status == DeliveryStatus.Returning)
{
Status = DeliveryStatus.Cancelled;
}
else
{
Status = deliveredAll ? DeliveryStatus.Delivered : DeliveryStatus.Partial;
}
}
/// <summary>
/// Executes the resource transfers between the source and destination vessels.
/// </summary>
public IEnumerator Deliver()
{
// If either vessel no longer exists, fail.
if (Origin == null || Destination == null)
{
Status = DeliveryStatus.Failed;
StatusMessage = "The origin or destination vessel no longer exists.";
yield break;
}
// If the vessels are no longer in the same SoI, fail.
if (Origin.mainBody != Destination.mainBody)
{
Status = DeliveryStatus.Failed;
StatusMessage = "The origin and destination vessels are no longer in the same sphere of influence.";
yield break;
}
// If either of the vessels is no longer in an allowed situation, fail.
if (Origin.protoVessel.situation != (Origin.protoVessel.situation & ALLOWED_SITUATIONS) ||
Destination.protoVessel.situation != (Destination.protoVessel.situation & ALLOWED_SITUATIONS))
{
Status = DeliveryStatus.Failed;
StatusMessage = "The origin or destination vessel is no longer in an allowed situation for logistics transfers.";
yield break;
}
// If the destination no longer has the OrbLog module it had when the transfer was initiated, fail.
var whoHasTheDestinationOrbLogModule = ModuleOrbitalLogistics.FindVesselByOrbLogModuleId(_destinationModuleId);
if (Destination != whoHasTheDestinationOrbLogModule)
{
Status = DeliveryStatus.Failed;
StatusMessage = "The target logistics module could not be found on the destination vessel.";
yield break;
}
// Exchange resources between origin and destination vessels
bool deliveredAll = true;
double deliveredAmount;
double precisionTolerance;
foreach (var request in ResourceRequests)
{
// If transfer was cancelled, return resources to origin vessel
if (Status == DeliveryStatus.Returning)
{
deliveredAmount = Origin.ExchangeResources(request.ResourceDefinition, request.TransferAmount);
}
// Otherwise, deliver resources to destination vessel
else
{
deliveredAmount = Destination.ExchangeResources(request.ResourceDefinition, request.TransferAmount);
}
// Because with floating point math, 1 minus 1 doesn't necessarily equal 0. ^_^
precisionTolerance = Math.Abs(request.TransferAmount) * 0.001;
deliveredAll &= Math.Abs(request.TransferAmount - Math.Abs(deliveredAmount)) <= precisionTolerance;
yield return(null);
}
if (Status == DeliveryStatus.Returning)
{
Status = DeliveryStatus.Cancelled;
}
else
{
if (deliveredAll)
{
Status = DeliveryStatus.Delivered;
}
else
{
Status = DeliveryStatus.Partial;
StatusMessage = "The destination vessel did not have enough available storage for the delivery.";
}
}
}