private void MangePlanesInAirport(AirportDTO airport)
{
//telling planes in airport where to move:
for (int i = 0; i < airport.Planes.Count; i++)
{
PlaneDTO plane = airport.Planes[i];
//if plane landing
if (StationsInfoService.IsAttendingToLand(plane.StationId))
{
plane.StationId++;
}
//if plane on track
else if (StationsInfoService.IsOnTrack(plane.StationId))
{
if (plane.State == PlaneState.Landing)
{
plane.StationId++;
}
else//departuring
{
plane.StationId = StationsInfoService.InAir; //tell the plane departure to air
//and from the plansOnHold queue:
DeparturePlanesOnHold.Dequeue();
}
}
//if attending to park
else if (StationsInfoService.IsAttendingToPark(plane.StationId))
{
//if the parking slots are empty -tell the plane to move there:
PlaneDTO firstParkingSlot = airport.Planes.FirstOrDefault(u => u.StationId == StationsInfoService.Parking[0]);
PlaneDTO secondParkingSlot = airport.Planes.FirstOrDefault(u => u.StationId == StationsInfoService.Parking[1]);
if (firstParkingSlot == null)
{
plane.StationId = StationsInfoService.Parking[0];
//raise event about the parked plane:
PlaneParked.Invoke(plane, EventArgs.Empty);
}
else if (secondParkingSlot == null)
{
plane.StationId = StationsInfoService.Parking[1];
//raise event about the parked plane:
PlaneParked.Invoke(plane, EventArgs.Empty);
}
}
else if (StationsInfoService.IsAttendingToDepart(plane.StationId))
{
plane.StationId = StationsInfoService.Track;
}
}
}
//getting request from plane that want to arrival/departure
public void AcceptPlaneRequest(PlaneDTO plane)
{
if (plane != null)
{
if (StationsInfoService.IsInAir(plane.StationId)) //if plane is in air
{
//means plane want to land:
ArrivalPlanesOnHold.Enqueue(plane);
}
else if (StationsInfoService.IsParking(plane.StationId)) //if plane parking
{
//means plane want to departure:
DeparturePlanesOnHold.Enqueue(plane);
}
}
}
private void ManagePlanesOnHold(AirportDTO airport)
{
//mangaing the planes that want to departure/arrival:
//check if the airport field is clean for departure:
if (AirportFieldValidator.IsClearForDeparturing(airport))
{
// if there is plane that want to departure:
if (DeparturePlanesOnHold.Count != 0)
{
//tell the plane to departure:
PlaneDTO plane = DeparturePlanesOnHold.Peek();
PlaneDTO departuringPlane = airport.Planes.Find(p => p.PlaneId == plane.PlaneId);
departuringPlane.StationId = StationsInfoService.AttendToDepart;
//raise event that plane is departuring:
PlaneDeparturing.Invoke(departuringPlane, EventArgs.Empty);
}
else //if there isnt planes that want to depart, check if there is plane that want land
{
// if there is plane that want to land:
if (ArrivalPlanesOnHold.Count != 0)
{
//check if the field clear for landing:
if (AirportFieldValidator.IsClearForLanding(airport))
{
//if field clear tell the plane to land:
PlaneDTO plane = ArrivalPlanesOnHold.Dequeue();
plane.StationId = StationsInfoService.AttendingToLand.First();
//adding plane to airport :
airport.Planes.Add(plane);
//raise event that plane is arriving:
PlaneArriving.Invoke(plane, EventArgs.Empty);
}
}
}
}
}