+
+ int leg = 0;
+
+ trans_num = globals->get_props()->getNode("/sim/atc/transmission-num", true);
+
+ // find a reasonable controller for our user's aircraft..
+ // Let's start by working out the following three scenarios:
+ // Starting on ground at a parking position
+ // Starting on ground at the runway.
+ // Starting in the Air
+ bool onGround = fgGetBool("/sim/presets/onground");
+ string runway = fgGetString("/sim/atc/runway");
+ string airport = fgGetString("/sim/presets/airport-id");
+ string parking = fgGetString("/sim/presets/parkpos");
+
+
+ // Create an (invisible) AIAircraft represenation of the current
+ // Users, aircraft, that mimicks the user aircraft's behavior.
+ string callsign= fgGetString("/sim/multiplay/callsign");
+ double longitude = fgGetDouble("/position/longitude-deg");
+ double latitude = fgGetDouble("/position/latitude-deg");
+ double altitude = fgGetDouble("/position/altitude-ft");
+ double heading = fgGetDouble("/orientation/heading-deg");
+ double speed = fgGetDouble("/velocities/groundspeed-kt");
+ double aircraftRadius = 40; // note that this is currently hardcoded to a one-size-fits all JumboJet value. Should change later;
+
+
+ ai_ac.setCallSign ( callsign );
+ ai_ac.setLongitude( longitude );
+ ai_ac.setLatitude ( latitude );
+ ai_ac.setAltitude ( altitude );
+ ai_ac.setPerformance("", "jet_transport");
+
+ // NEXT UP: Create a traffic Schedule and fill that with appropriate information. This we can use to flight planning.
+ // Note that these are currently only defaults.
+ FGAISchedule *trafficRef = new FGAISchedule;
+ trafficRef->setFlightType("gate");
+
+ FGScheduledFlight *flight = new FGScheduledFlight;
+ flight->setDepartureAirport(airport);
+ flight->setArrivalAirport(airport);
+ flight->initializeAirports();
+ flight->setFlightRules("IFR");
+ flight->setCallSign(callsign);
+
+ trafficRef->assign(flight);
+ FGAIFlightPlan *fp = 0;
+ ai_ac.setTrafficRef(trafficRef);
+
+ string flightPlanName = airport + "-" + airport + ".xml";
+ //double cruiseAlt = 100; // Doesn't really matter right now.
+ //double courseToDest = 180; // Just use something neutral; this value might affect the runway that is used though...
+ //time_t deptime = 0; // just make sure how flightplan processing is affected by this...
+
+
+ FGAirport *apt = FGAirport::findByIdent(airport);
+ if (apt && onGround) {// && !runway.empty()) {
+ FGAirportDynamics* dcs = apt->getDynamics();
+ ParkingAssignment pk(dcs->getParkingByName(parking));
+
+ // No valid parking location, so either at the runway or at a random location.
+ if (pk.isValid()) {
+ fp = new FGAIFlightPlan;
+ controller = apt->getDynamics()->getStartupController();
+ int stationFreq = apt->getDynamics()->getGroundFrequency(1);
+ if (stationFreq > 0)
+ {
+ //cerr << "Setting radio frequency to : " << stationFreq << endl;
+ fgSetDouble("/instrumentation/comm[0]/frequencies/selected-mhz", ((double) stationFreq / 100.0));
+ }
+ leg = 1;
+ //double, lat, lon, head; // Unused variables;
+ //int getId = apt->getDynamics()->getParking(gateId, &lat, &lon, &head);
+ aircraftRadius = pk.parking()->getRadius();
+ string fltType = pk.parking()->getType(); // gate / ramp, ga, etc etc.
+ string aircraftType; // Unused.
+ string airline; // Currently used for gate selection, but a fallback mechanism will apply when not specified.
+ fp->setGate(pk);
+ if (!(fp->createPushBack(&ai_ac,
+ false,
+ apt,
+ aircraftRadius,
+ fltType,
+ aircraftType,
+ airline))) {
+ controller = 0;
+ return;
+ }
+
+
+
+ } else if (!runway.empty()) {
+ controller = apt->getDynamics()->getTowerController();
+ int stationFreq = apt->getDynamics()->getTowerFrequency(2);
+ if (stationFreq > 0)
+ {
+ //cerr << "Setting radio frequency to in airfrequency: " << stationFreq << endl;
+ fgSetDouble("/instrumentation/comm[0]/frequencies/selected-mhz", ((double) stationFreq / 100.0));
+ }
+ fp = new FGAIFlightPlan;
+ leg = 3;
+ string fltType = "ga";
+ fp->setRunway(runway);
+ fp->createTakeOff(&ai_ac, false, apt, 0, fltType);
+ ai_ac.setTakeOffStatus(2);
+ } else {
+ // We're on the ground somewhere. Handle this case later.
+ }
+
+ if (fp) {
+ fp->getLastWaypoint()->setName( fp->getLastWaypoint()->getName() + string("legend"));
+ }
+ } else {
+ controller = 0;
+ }
+
+ // Create an initial flightplan and assign it to the ai_ac. We won't use this flightplan, but it is necessary to
+ // keep the ATC code happy.
+ if (fp) {
+ fp->restart();
+ fp->setLeg(leg);
+ ai_ac.SetFlightPlan(fp);
+ }
+ if (controller) {
+ controller->announcePosition(ai_ac.getID(), fp, fp->getCurrentWaypoint()->getRouteIndex(),
+ ai_ac._getLatitude(), ai_ac._getLongitude(), heading, speed, altitude,
+ aircraftRadius, leg, &ai_ac);