private async void FlightSimInterface_FlightStatusUpdated(object sender, FlightStatusUpdatedEventArgs e)
{
if (lastStatus != null)
{
// Try to reduce the number of status
if (e.FlightStatus.IsOnGround && e.FlightStatus.GroundSpeed < 1f && lastStatus.IsOnGround && lastStatus.GroundSpeed < 1f)
{
return;
}
if (e.FlightStatus.AltitudeAboveGround > 1000 && e.FlightStatus.SimTime - lastStatus.SimTime < 1f)
{
return;
}
if (e.FlightStatus.AltitudeAboveGround > 5000 && e.FlightStatus.SimTime - lastStatus.SimTime < 2f)
{
return;
}
if (e.FlightStatus.AltitudeAboveGround > 10000 && e.FlightStatus.SimTime - lastStatus.SimTime < 3f)
{
return;
}
if (e.FlightStatus.AltitudeAboveGround > 15000 && e.FlightStatus.SimTime - lastStatus.SimTime < 4f)
{
return;
}
if (e.FlightStatus.AltitudeAboveGround > 20000 && e.FlightStatus.SimTime - lastStatus.SimTime < 5f)
{
return;
}
}
try
{
if (connection.State == HubConnectionState.Connected)
{
await connection.InvokeAsync("Update", e.FlightStatus);
}
lastStatus = e.FlightStatus;
}
catch (Exception ex)
{
logger.LogError(ex, "Cannot send to SignalR!");
}
}
private string GetNearestAirport(FlightStatusUpdatedEventArgs e)
{
string nearestIcao = null;
var minDist = double.MaxValue;
foreach (var airport in airports.ToList())
{
var dist = GpsHelper.CalculateDistance(
e.FlightStatus.Latitude, e.FlightStatus.Longitude, e.FlightStatus.Altitude,
airport.Latitude, airport.Longitude, airport.Altitude);
if (dist < minDist)
{
nearestIcao = airport.Icao;
minDist = dist;
}
}
return(nearestIcao);
}
private async void FlightSimInterface_FlightStatusUpdated(object sender, FlightStatusUpdatedEventArgs e)
{
try
{
// Augment environment time
e.FlightStatus.LocalTime = localTime;
e.FlightStatus.ZuluTime = zuluTime;
e.FlightStatus.AbsoluteTime = absoluteTime;
if (screenshotsQueue.TryDequeue(out var screenshot))
{
e.FlightStatus.ScreenshotUrl = screenshot;
}
var lastStatus = FlightRoute.LastOrDefault();
if (lastStatus != null && lastStatus.IsOnGround && !e.FlightStatus.IsOnGround && FlightData.State == FlightState.Started)
{
// Took off
logger.LogInformation("Aircraft has taken off");
FlightData.StatusTakeOff = e.FlightStatus;
FlightData.State = FlightState.Enroute;
FlightData.TakeOffDateTime = DateTimeOffset.Now;
// Try to determine airport
if (airports != null && FlightData.AirportFrom == null)
{
FlightData.AirportFrom = GetNearestAirport(e);
}
HandleFlightDataUpdated();
await AddOrUpdateFlightAsync();
}
else if (lastStatus != null && !lastStatus.IsOnGround && e.FlightStatus.IsOnGround && FlightData.StatusLanding == null)
{
// Landing
if (FlightData.State == FlightState.Enroute)
{
logger.LogInformation("Aircraft has landed");
FlightData.StatusLanding = lastStatus;
FlightData.State = FlightState.Arrived;
if (airports != null && FlightData.AirportTo == null)
{
FlightData.AirportTo = GetNearestAirport(e);
}
HandleFlightDataUpdated();
}
await AddOrUpdateFlightAsync();
}
else
{
if (!e.FlightStatus.IsOnGround && FlightData.State == FlightState.Started && e.FlightStatus.GroundSpeed > 5)
{
// Flight start when the airplane is already flying
FlightData.State = FlightState.Enroute;
HandleFlightDataUpdated();
}
// Try to reduce the number of status by skipping status recording
if (!forceStatusAdd && string.IsNullOrEmpty(screenshot))
{
if (lastStatus == null && e.FlightStatus.IsOnGround && e.FlightStatus.GroundSpeed < 1f)
{
return;
}
else if (lastStatus != null && lastStatus.ScreenshotUrl == null)
{
if (e.FlightStatus.AltitudeAboveGround > 1000 && e.FlightStatus.SimTime - lastStatus.SimTime < 1f)
{
return;
}
if (e.FlightStatus.AltitudeAboveGround > 5000 && e.FlightStatus.SimTime - lastStatus.SimTime < 2f)
{
return;
}
if (e.FlightStatus.AltitudeAboveGround > 10000 && e.FlightStatus.SimTime - lastStatus.SimTime < 3f)
{
return;
}
if (e.FlightStatus.AltitudeAboveGround > 15000 && e.FlightStatus.SimTime - lastStatus.SimTime < 4f)
{
return;
}
if (e.FlightStatus.AltitudeAboveGround > 20000 && e.FlightStatus.SimTime - lastStatus.SimTime < 5f)
{
return;
}
}
}
}
FlightRoute.Add(e.FlightStatus);
forceStatusAdd = false;
if ((FlightData.State == FlightState.Enroute || FlightData.State == FlightState.Arrived) &&
(!lastSaveAttempt.HasValue || DateTime.Now - lastSaveAttempt.Value > TimeSpan.FromMilliseconds(SaveDelay)))
{
// Throttle save attempt
await AddOrUpdateFlightAsync();
}
}
catch (Exception ex)
{
logger.LogError(ex, "Cannot process flight status update: {0}", ex.Message);
}
}