// Asynch processing from receiving actual user position (Triggered by TCPclient)
private void LTLink_LTEvent(object sender, LTEventArgs e)
{
long secSinceLastPing = (long)(DateTime.Now - m_lastUpdate).TotalSeconds;
OnTraffic(secSinceLastPing);
if (!Valid)
{
return; // catch out of bounds messages
}
m_userAcft.NewPos(e.LatLon);
if (POOL == null)
{
// create the first subset with our AcftPos
POOL = new VAcftPool(m_radius_nm, m_stepLen_sec)
{
NumAcft = m_numAcft,
NumVFRcraft = m_numVFR
};
POOL.CreateAwySelection(AWYDB.GetTable( ), RWYDB.GetTable( ), m_userAcft.LatLon);
POOL.UpdateVFRscripts(CMDS);
Logger.Instance.Log($"TrafficHandler: Create POOL with {m_numAcft} aircrafts where {m_numVFR} are VFR, one sim step is >= {m_stepLen_sec} seconds");
}
// push an update only after 'StepLen_sec' secs
if (secSinceLastPing >= POOL.StepLen_sec)
{
m_lastUpdate = DateTime.Now; // reset timer
LT_Weather.SendMsg(RealTraffic.WeatherString( )); // send a 'generic' weather string
// do POOL maintenance
POOL.ReGenerate( );
POOL.Update( );
// send updates to LiveTraffic - TODO need to pace it ??
foreach (var vac in POOL.AircraftPoolRef)
{
string msg = RealTraffic.AITrafficString(vac);
LT_Traffic.SendMsg(msg);
}
// recreates the airway selection if needed
POOL.UpdateAwySelection(AWYDB.GetTable( ), RWYDB.GetTable( ), m_userAcft.LatLon);
}
}
/// <summary>
/// Simulate the Model file given and write a kmlfile of the path
/// same folder as the model file with the extension .kml
/// </summary>
/// <param name="vfrModelFile">The VFR Model File</param>
/// <returns>True if successfull (else see Error content)</returns>
public bool RunSimulation(string vfrModelFile, string fallBackRwy)
{
Error = "";
Logger.Instance.Log($"VFRSimulation-SetupSimulation for: {vfrModelFile}");
if (!Valid)
{
return(false);
}
var route = CmdReader.ReadCmdScript(vfrModelFile);
if (!route.IsValid)
{
Valid = false;
Error = "File not found or invalid content";
Logger.Instance.Log(Error);
return(false);
}
if (route.Descriptor.FlightType == CmdA.FlightT.Runway)
{
string rwID = route.Descriptor.RunwayPreference; // preferred one
if (string.IsNullOrEmpty(rwID))
{
rwID = fallBackRwy;
}
var rwy = RWYDB.GetSubtable(rwID); // search RWY
if (rwy.Count < 1)
{
Valid = false;
Error = $"Runway: {route.Descriptor.Start_IcaoID} not found in Runway database, cannot continue";
Logger.Instance.Log(Error);
return(false);
}
// actually my position
m_userAcft = new UserAcft( );
m_userAcft.NewPos(rwy.ElementAt(0).Value.start_latlon);
// the simulated aircraft
route.Descriptor.InitFromRunway(1, rwy.ElementAt(0).Value); // Complete the script
}
else if (route.Descriptor.FlightType == CmdA.FlightT.Airway)
{
return(false); // not supported - use the one above...
}
else if (route.Descriptor.FlightType == CmdA.FlightT.MsgRelative)
{
string rwID = route.Descriptor.RunwayPreference; // preferred one
if (string.IsNullOrEmpty(rwID))
{
rwID = fallBackRwy;
}
var rwy = RWYDB.GetSubtable(rwID); // search RWY
if (rwy.Count < 1)
{
Valid = false;
Error = $"Runway: {route.Descriptor.Start_IcaoID} not found in Runway database, cannot continue";
Logger.Instance.Log(Error);
return(false);
}
// actually my position
m_userAcft = new UserAcft( );
m_userAcft.NewPos(rwy.ElementAt(0).Value.start_latlon);
// the simulated aircraft
route.Descriptor.InitFromMsgRelative(1, rwy.ElementAt(0).Value, "SIM"); // Complete the script
}
else if (route.Descriptor.FlightType == CmdA.FlightT.MsgAbsolute)
{
// actually my position
m_userAcft = new UserAcft( );
m_userAcft.NewPos(route.Descriptor.StartPos_latlon);
// the simulated aircraft
route.Descriptor.InitFromMsgAbsolute(1, "SIM"); // Complete the script
}
var virtAcft = new VFRvAcft(route); // use the GA model
var kmlFile = new KmlFile( );
var kmlLine = new line {
Name = Path.GetFileNameWithoutExtension(vfrModelFile),
LineColor = LineStyle.LT_Yellow
};
do
{
virtAcft.StepModel(m_stepLen_sec); // step the model at 2 sec until finished
kmlLine.Add(new point {
Position = new LatLon(virtAcft.LatLon),
Altitude_ft = virtAcft.Alt_ft,
Heading = (int)virtAcft.TRK
});
} while (!virtAcft.Out);
// setup Comm
kmlFile.Lines.Add(kmlLine);
kmlFile.WriteKML(vfrModelFile + ".kml");
return(Valid);
}
