/// <summary>
/// Initialize the Link with LiveTraffic
/// this will init the receiver and pace outbound messages every 10 sec
/// Connects to default ports
/// </summary>
/// <param name="hostIP">The LiveTraffic plugin host</param>
/// <returns>True if successfull (else see Error content)</returns>
public bool EstablishLink(string hostIP, uint numAcft, uint numVFR)
{
Logger.Instance.Log($"TrafficHandler-EstablishLink to: {hostIP}");
if (!Valid)
{
return(false);
}
m_numAcft = numAcft;
m_numVFR = numVFR;
m_userAcft = new UserAcft( );
// setup Comm
m_host = hostIP;
try {
LT_Traffic = new UDPsender(m_host, RealTraffic.PortTrafficUDP);
LT_Weather = new UDPsender(m_host, RealTraffic.PortWeatherUDP);
LTLink = new TCPclient(m_host, RealTraffic.PortLinkTCP);
LTLink.LTEvent += LTLink_LTEvent;
}
catch (Exception e) {
Error = $"Error: {e.Message}";
Logger.Instance.Log($"TrafficHandler: {Error}");
return(false);
}
//
Valid = LTLink.Connect( ); // if successful this triggers the reception of messages;
if (!Valid)
{
Error = $"Error: {LTLink.Error}";
}
Logger.Instance.Log($"TrafficHandler: {Error}");
return(Valid);
}
/// <summary>
/// Shut Link to LiveTraffic down
/// </summary>
public void RemoveLink()
{
Logger.Instance.Log($"TrafficHandler-RemoveLink");
Valid = false;
Error = "";
try {
LTLink.LTEvent -= LTLink_LTEvent;
LT_Traffic = null;
LT_Weather = null;
LTLink.Disconnect( );
m_userAcft = null;
POOL = null;
}
catch (Exception e) {
Error = $"Error: {e.Message}";
Logger.Instance.Log($"TrafficHandler: {Error}");
}
}
/// <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);
}
