}
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-kts", true);
}
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-kts", true);
}
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
+ SGPath path( globals->get_fg_root() );
+ path.append( "Airports" );
+ path.append( "runways.mk4" );
+ FGRunways r_ways( path.c_str() );
+
+ //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 = r_ways.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.
Point3D threshold_pos;
Point3D end1ortho; // ortho projection end1 (the threshold ATM)
Point3D end2ortho; // ortho projection end2 (the take off end in the current hardwired scheme)
- double mag_hdg;
- double mag_var;
double hdg; // true runway heading
double length; // In *METERS*
- int ID; // 1 -> 36
string rwyID;
- // Do we really need *both* the last two??
};
///////////////////////////////////////////////////////////////////////////////
ground_network_path_type GetPathToHoldShort(node* A, string rwyID);
private:
- // Tower stuff
-
+ FGATCMgr* ATCmgr;
+ // This is purely for synactic convienience to avoid writing globals->get_ATC_mgr()-> all through the code!
+
// Need a data structure to hold details of the various active planes
// Need a data structure to hold details of the logical network
// including which gates are filled - or possibly another data structure
// A map of all the gates indexed against internal (FGFS) ID
gate_map_type gates;
gate_map_iterator gatesItr;
-
- // Runway stuff - this might change in the future.
- //runway_array_type runways; // STL way
- Rwy runways[36]; // quick hack!
FGATCAlignedProjection ortho;
// Generate the next clearance for an airplane
//NextClearance(ground_rec &g);
+ // environment - need to make sure we're getting the surface winds and not winds aloft.
+ SGPropertyNode* wind_from_hdg; //degrees
+ SGPropertyNode* wind_speed_knots; //knots
+
bool display; // Flag to indicate whether we should be outputting to the ATC display.
bool displaying; // Flag to indicate whether we are outputting to the ATC display.
// for failure modeling
bool ground_failed; // ground failed?
bool networkLoadOK; // Indicates whether LoadNetwork returned true or false at last attempt
+ // Tower control
+ bool untowered; // True if this is an untowered airport (we still need the ground class for shortest path implementation etc
+ //FGATC* tower; // Pointer to the tower control
+
+ // Logical runway details - this might change in the future.
+ //runway_array_type runways; // STL way
+ Rwy runways[36]; // quick hack!
+
+ // Physical runway details
+ double aptElev; // Airport elevation
+ string activeRwy; // Active runway number - For now we'll disregard multiple / alternate runway operation.
+ RunwayDetails rwy; // Assumed to be the active one for now.// 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 DoRwyDetails();
+
// Load the logical ground network for this airport from file.
// Return true if successfull.
bool LoadNetwork();
projects / flightgear.git / commitdiff