}
FGGround::FGGround() {
+ ATCmgr = globals->get_ATC_mgr();
display = false;
networkLoadOK = false;
ground_traffic.erase(ground_traffic.begin(), ground_traffic.end());
ground_traffic_itr = ground_traffic.begin();
+
+ // Init the property nodes - TODO - need to make sure we're getting surface winds.
+ wind_from_hdg = fgGetNode("/environment/wind-from-heading-deg", true);
+ wind_speed_knots = fgGetNode("/environment/wind-speed-kt", true);
+
+ // TODO - get the actual airport elevation
+ aptElev = 0.0;
}
FGGround::FGGround(string id) {
+ ATCmgr = globals->get_ATC_mgr();
display = false;
networkLoadOK = false;
ground_traffic.erase(ground_traffic.begin(), ground_traffic.end());
ground_traffic_itr = ground_traffic.begin();
ident = id;
+
+ // Init the property nodes - TODO - need to make sure we're getting surface winds.
+ wind_from_hdg = fgGetNode("/environment/wind-from-heading-deg", true);
+ wind_speed_knots = fgGetNode("/environment/wind-speed-kt", true);
+
+ // TODO - get the actual airport elevation
+ aptElev = 0.0;
}
FGGround::~FGGround() {
void FGGround::Init() {
display = false;
+ untowered = false;
- //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
- // For now we'll hardwire the threshold end FIXME FIXME FIXME - use actual active rwy
- Point3D P010(-118.037483, 34.081358, 296 * SG_FEET_TO_METER);
- double hdg = 25.32;
- ortho.Init(P010, hdg);
- // FIXME TODO FIXME TODO
- // TODO FIXME TODO FIXME
- //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
-
+ // Figure out which is the active runway - TODO - it would be better to have ground call tower
+ // for runway operation details, but at the moment we can't guarantee that tower control at a given airport
+ // will be initialised before ground so we can't do that.
+ DoRwyDetails();
+ //cout << "In FGGround::Init, active rwy is " << activeRwy << '\n';
+ ortho.Init(rwy.threshold_pos, rwy.hdg);
+
networkLoadOK = LoadNetwork();
}
trns += g->plane.callsign;
trns += " taxi holding point runway "; // TODO - add the holding point name
// eg " taxi holding point G2 runway "
- //trns += "
+ trns += ConvertRwyNumToSpokenString(activeRwy);
if(display) {
globals->get_ATC_display()->RegisterSingleMessage(trns, 0);
}
}
}
+// Figure out which runways are active.
+// For now we'll just be simple and do one active runway - eventually this will get much more complex
+// Copied from FGTower - TODO - it would be better to implement this just once, and have ground call tower
+// for runway operation details, but at the moment we can't guarantee that tower control at a given airport
+// will be initialised before ground so we can't do that.
+void FGGround::DoRwyDetails() {
+ //cout << "GetRwyDetails called" << endl;
+
+ // Based on the airport-id and wind get the active runway
+
+ //wind
+ double hdg = wind_from_hdg->getDoubleValue();
+ double speed = wind_speed_knots->getDoubleValue();
+ hdg = (speed == 0.0 ? 270.0 : hdg);
+ //cout << "Heading = " << hdg << '\n';
+
+ FGRunway runway;
+ bool rwyGood = globals->get_runways()->search(ident, int(hdg), &runway);
+ if(rwyGood) {
+ activeRwy = runway.rwy_no;
+ rwy.rwyID = runway.rwy_no;
+ SG_LOG(SG_ATC, SG_INFO, "In FGGround, active runway for airport " << ident << " is " << activeRwy);
+
+ // Get the threshold position
+ double other_way = runway.heading - 180.0;
+ while(other_way <= 0.0) {
+ other_way += 360.0;
+ }
+ // move to the +l end/center of the runway
+ //cout << "Runway center is at " << runway.lon << ", " << runway.lat << '\n';
+ Point3D origin = Point3D(runway.lon, runway.lat, aptElev);
+ Point3D ref = origin;
+ double tshlon, tshlat, tshr;
+ double tolon, tolat, tor;
+ rwy.length = runway.length * SG_FEET_TO_METER;
+ geo_direct_wgs_84 ( aptElev, ref.lat(), ref.lon(), other_way,
+ rwy.length / 2.0 - 25.0, &tshlat, &tshlon, &tshr );
+ geo_direct_wgs_84 ( aptElev, ref.lat(), ref.lon(), runway.heading,
+ rwy.length / 2.0 - 25.0, &tolat, &tolon, &tor );
+ // Note - 25 meters in from the runway end is a bit of a hack to put the plane ahead of the user.
+ // now copy what we need out of runway into rwy
+ rwy.threshold_pos = Point3D(tshlon, tshlat, aptElev);
+ Point3D takeoff_end = Point3D(tolon, tolat, aptElev);
+ //cout << "Threshold position = " << tshlon << ", " << tshlat << ", " << aptElev << '\n';
+ //cout << "Takeoff position = " << tolon << ", " << tolat << ", " << aptElev << '\n';
+ rwy.hdg = runway.heading;
+ // Set the projection for the local area based on this active runway
+ ortho.Init(rwy.threshold_pos, rwy.hdg);
+ rwy.end1ortho = ortho.ConvertToLocal(rwy.threshold_pos); // should come out as zero
+ rwy.end2ortho = ortho.ConvertToLocal(takeoff_end);
+ } else {
+ SG_LOG(SG_ATC, SG_ALERT, "Help - can't get good runway in FGTower!!");
+ activeRwy = "NN";
+ }
+}
+
// Return a random gate ID of an unused gate.
// Two error values may be returned and must be checked for by the calling function:
// -2 signifies that no gates exist at this airport.
// WARNING - This is hardwired to my prototype logical network format
// and will almost certainly change when Bernie's stuff comes on-line.
+// Returns NULL if it can't find a valid node.
node* FGGround::GetThresholdNode(string rwyID) {
// For now go through all the nodes and parse their names
// Maybe in the future we'll map threshold nodes by ID