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LiveTrafficHandler.cs
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/
LiveTrafficHandler.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using Microsoft.FlightSimulator.SimConnect;
using Newtonsoft.Json.Linq;
using Simvars.Emum;
using Simvars.Model;
using Simvars.Struct;
namespace Simvars.Util
{
public class LiveTrafficHandler
{
private List<Aircraft> _liveTrafficAircraft;
private readonly SimConnect _simConnect;
private int _requestCount = 0;
public LiveTrafficHandler(SimConnect simConnect)
{
_liveTrafficAircraft = new List<Aircraft>();
_simConnect = simConnect;
}
public void FetchNewData(PlayerAircraft plane)
{
JObject planeData = FlightRadarApi.GetAircraftNearby(plane.Longitude, plane.Latitude);
if ((bool)planeData["success"] != true) return;
ParsePlaneData((JObject)planeData["data"]);
}
public void SetObjectId(uint requestId, uint objectId)
{
Aircraft aircraft = _liveTrafficAircraft.FirstOrDefault(item => item.RequestId == requestId);
if (aircraft != null)
{
Console.WriteLine("Setting object ID for: " + aircraft.Callsign);
aircraft.ObjectId = objectId;
}
}
private void ParsePlaneData(JObject planeData)
{
List<String> flightRadarIds = new List<string>();
foreach (JProperty property in planeData.Properties())
{
//Determine if object is a plane, we only want planes from the api, not the other stat keys ;)
if (!char.IsDigit(property.Name.ToCharArray()[0])) continue;
flightRadarIds.Add(property.Name);
Aircraft aircraft = _liveTrafficAircraft.FirstOrDefault(item => item.FlightRadarId == property.Name);
double Longitude = (double)property.Value[2];
double Latitude = (double)property.Value[1];
int Heading = (int)property.Value[3];
int Altimeter = (int)property.Value[4];
int Speed = (int)property.Value[5];
string Callsign = (string)property.Value[16];
bool isGrounded = (bool)property.Value[14];
string AirportOrigin = null;
string AirportDestination = null;
string TailNumber = Callsign;
string Model = "Airbus A320 Neo";
string Airline = "Asobo";
if (aircraft == null)
{
JObject extraData = FlightRadarApi.GetAircraftData(property.Name);
if ((bool)extraData["success"])
{
extraData = (JObject)extraData["data"];
}
try
{
TailNumber = (string)extraData["identification"]?["number"]?["default"] ?? Callsign;
Model = (string)extraData["aircraft"]?["model"]?["text"] ?? "Airbus A320 Neo";
Airline = (string)extraData["airline"]?["name"] ?? "Asobo";
AirportOrigin = (string)extraData["airport"]?["origin"]?["code"]?["icao"] ?? null;
AirportDestination = (string)extraData["airport"]?["destination"]?["code"]?["icao"] ?? null;
}
catch (Exception e)
{
// Console.WriteLine(e);
}
aircraft = new Aircraft()
{
Longitude = Longitude,
Latitude = Latitude,
Heading = Heading,
Altimeter = Altimeter,
Speed = Speed,
Callsign = Callsign,
FlightRadarId = property.Name,
IsGrounded = isGrounded,
TailNumber = TailNumber,
Model = Model,
Airline = Airline,
AirportOrigin = AirportOrigin,
AirportDestination = AirportDestination,
};
aircraft.MatchedModel = ModelMatching.MatchModel(aircraft.Model, aircraft.Airline);
_liveTrafficAircraft.Add(aircraft);
SpawnPlane(aircraft);
continue;
}
aircraft.Latitude = Latitude;
aircraft.Longitude = Longitude;
aircraft.Altimeter = Altimeter;
aircraft.Heading = Heading;
aircraft.Speed = Speed;
aircraft.IsGrounded = isGrounded;
if (!aircraft.IsGrounded)
{
Console.WriteLine("Updating a flying plane " + aircraft.TailNumber + " lat: " + aircraft.Latitude + " long: " + aircraft.Longitude + " request ID: " + aircraft.RequestId + " speed: " + aircraft.Speed + " heading: " + aircraft.Heading);
aircraft.Waypoints.Add(new Waypoint()
{
Altitude = Altimeter,
IsGrounded = isGrounded,
Latitude = Latitude,
Longitude = Longitude,
Speed = Speed
});
_simConnect.SetDataOnSimObject(SimConnectDataDefinition.PlaneWaypoints, aircraft.ObjectId, SIMCONNECT_DATA_SET_FLAG.DEFAULT, aircraft.GetWayPointObjectArray());
}
else
{
PositionData position = new PositionData
{
Latitude = aircraft.Latitude,
Longitude = aircraft.Longitude,
Altitude = aircraft.Altimeter,
Heading = aircraft.Heading,
Pitch = 0,
Bank = 0,
Airspeed = (uint)aircraft.Speed,
OnGround = (uint)(aircraft.IsGrounded ? 1 : 0)
};
Console.WriteLine("Updating a grounded plane " + aircraft.TailNumber + " lat: " + aircraft.Latitude + " long: " + aircraft.Longitude + " request ID: " + aircraft.RequestId + " speed: " + aircraft.Speed + " heading: " + aircraft.Heading);
_simConnect.SetDataOnSimObject(SimConnectDataDefinition.PlaneLocation, aircraft.ObjectId, SIMCONNECT_DATA_SET_FLAG.DEFAULT, position);
}
}
DespawnOldPlanes(flightRadarIds);
}
private void DespawnOldPlanes(List<string> flightradarIds)
{
List<Aircraft> removedPlanes = new List<Aircraft>();
_liveTrafficAircraft.ForEach(plane =>
{
if (flightradarIds.Contains(plane.FlightRadarId)) return;
var requestId = DataRequests.AI_SPAWN + _requestCount;
Console.WriteLine(@"Deleting a plane " + plane.TailNumber + " request ID: " + _requestCount);
_requestCount = (_requestCount + 1) % 10000;
_simConnect.AIRemoveObject(plane.ObjectId, requestId);
removedPlanes.Add(plane);
});
removedPlanes.ForEach(plane =>
{
_liveTrafficAircraft.Remove(plane);
});
}
private void SpawnPlane(Aircraft aircraft)
{
var requestId = DataRequests.AI_SPAWN + _requestCount;
aircraft.RequestId = (10000 + _requestCount);
Console.WriteLine(@"Spawning a plane " + aircraft.TailNumber + " lat: " + aircraft.Latitude + " long: " + aircraft.Longitude + " request ID: " + aircraft.RequestId);
_requestCount = (_requestCount + 1) % 10000;
var position = new SIMCONNECT_DATA_INITPOSITION
{
Latitude = aircraft.Latitude,
Longitude = aircraft.Longitude,
Altitude = aircraft.Altimeter,
Pitch = 0,
Bank = 0,
Heading = aircraft.Heading,
OnGround = (uint)(aircraft.IsGrounded ? 1 : 0),
Airspeed = (uint)aircraft.Speed,
};
_simConnect.AICreateNonATCAircraft(aircraft.MatchedModel, aircraft.TailNumber, position, requestId);
}
}
}