//checks an airport for extending of runway
public static void CheckForExtendRunway(Airport airport)
{
int minYearsBetweenExpansions = 5;
long maxRunwayLenght = (from r in airport.Runways select r.Length).Max();
long longestRequiredRunwayLenght = AirlinerTypes.GetTypes(a => a.Produced.From <= GameObject.GetInstance().GameTime && a.Produced.To >= GameObject.GetInstance().GameTime).Max(a => a.MinRunwaylength);
var airportRoutes = AirportHelpers.GetAirportRoutes(airport);
var routeAirliners = airportRoutes.SelectMany(r => r.getAirliners());
long longestRunwayInUse = routeAirliners.Count() > 0 ? routeAirliners.Max(a => a.Airliner.Type.MinRunwaylength) : 0;
if (maxRunwayLenght < longestRequiredRunwayLenght / 2 && maxRunwayLenght < longestRunwayInUse * 3 / 4 && GameObject.GetInstance().GameTime.AddYears(-minYearsBetweenExpansions) > airport.LastExpansionDate)
{
List<string> runwayNames = (from r in Airports.GetAllAirports().SelectMany(a => a.Runways) select r.Name).Distinct().ToList();
foreach (Runway r in airport.Runways)
runwayNames.Remove(r.Name);
Runway.SurfaceType surface = airport.Runways[0].Surface;
long lenght = Math.Min(longestRequiredRunwayLenght * 3 / 4, longestRunwayInUse * 2);
Runway runway = new Runway(runwayNames[rnd.Next(runwayNames.Count)], lenght, surface, GameObject.GetInstance().GameTime.AddDays(90), false);
airport.Runways.Add(runway);
airport.LastExpansionDate = GameObject.GetInstance().GameTime;
}
}
private void btnOk_Click(object sender, RoutedEventArgs e)
{
string name = txtName.Text.Trim();
Runway.SurfaceType type = (Runway.SurfaceType)cbSurface.SelectedItem;
int lenght = Convert.ToInt32(cbLenght.SelectedItem);
Runway runway = new Runway(name,lenght,type,GameObject.GetInstance().GameTime.AddDays(90),false);
this.Selected = runway;
this.Close();
}