// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
#include <simgear/misc/sg_path.hxx>
#include <simgear/math/sg_random.h>
#include <simgear/debug/logstream.hxx>
}
FGGround::FGGround() {
- display = false;
+ ATCmgr = globals->get_ATC_mgr();
+ _type = GROUND;
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) {
- display = false;
+FGGround::FGGround(const string& id) {
+ ATCmgr = globals->get_ATC_mgr();
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;
-
- //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
- // 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
- //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+ untowered = false;
+ // 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 += "
- if(display) {
+ trns += ConvertRwyNumToSpokenString(activeRwy);
+ if(_display) {
+ fgSetString("/sim/messages/ground", trns.c_str());
globals->get_ATC_display()->RegisterSingleMessage(trns, 0);
}
g->planePtr->RegisterTransmission(1); // cleared to taxi
// NOTE - we don't need to do the contact tower bit unless we have separate tower and ground
string trns = g->plane.callsign;
trns += " contact Tower ";
- double f = globals->get_ATC_mgr()->GetFrequency(ident, TOWER);
+ double f = globals->get_ATC_mgr()->GetFrequency(ident, TOWER) / 100.0;
char buf[10];
- sprintf(buf, "%f", f);
+ sprintf(buf, "%.2f", f);
trns += buf;
- if(display) {
+ if(_display) {
+ fgSetString("/sim/messages/ground", trns.c_str());
globals->get_ATC_display()->RegisterSingleMessage(trns, 0);
}
g->planePtr->RegisterTransmission(2); // contact tower
}
++ground_traffic_itr;
}
+
+ // Call the base class update for the response time handling.
+ FGATC::Update(dt);
+}
+
+// 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.
}
+node* FGGround::GetHoldShortNode(const string& rwyID) {
+ return(NULL); // TODO - either implement me or remove me!!!
+}
+
+
// WARNING - This is hardwired to my prototype logical network format
// and will almost certainly change when Bernie's stuff comes on-line.
-node* FGGround::GetThresholdNode(string rwyID) {
+// Returns NULL if it can't find a valid node.
+node* FGGround::GetThresholdNode(const string& rwyID) {
// For now go through all the nodes and parse their names
// Maybe in the future we'll map threshold nodes by ID
//cout << "Size of network is " << network.size() << '\n';
};
// Get a path from a node to a runway threshold
-ground_network_path_type FGGround::GetPath(node* A, string rwyID) {
+ground_network_path_type FGGround::GetPath(node* A, const string& rwyID) {
node* b = GetThresholdNode(rwyID);
if(b == NULL) {
- SG_LOG(SG_ATC, SG_ALERT, "ERROR - unable to find path to runway theshold in ground.cxx\n");
+ SG_LOG(SG_ATC, SG_ALERT, "ERROR - unable to find path to runway theshold in ground.cxx for airport " << ident << '\n');
ground_network_path_type emptyPath;
emptyPath.erase(emptyPath.begin(), emptyPath.end());
return(emptyPath);
// Get a path from a node to a runway hold short point
// Bit of a hack this at the moment!
-ground_network_path_type FGGround::GetPathToHoldShort(node* A, string rwyID) {
+ground_network_path_type FGGround::GetPathToHoldShort(node* A, const string& rwyID) {
ground_network_path_type path = GetPath(A, rwyID);
path.pop_back(); // That should be the threshold stripped of
path.pop_back(); // and that should be the arc from hold short to threshold
// Return a list of exits from a given runway
// It is up to the calling function to check for non-zero size of returned array before use
-node_array_type FGGround::GetExits(string rwyID) {
+node_array_type FGGround::GetExits(const string& rwyID) {
// FIXME - get a 07L or similar in here and we're stuffed!!!
return(runways[atoi(rwyID.c_str())].exits);
}
-void FGGround::RequestDeparture(PlaneRec plane, FGAIEntity* requestee) {
+void FGGround::RequestDeparture(const PlaneRec& plane, FGAIEntity* requestee) {
// For now we'll just automatically clear all planes to the runway hold.
// This communication needs to be delayed 20 sec or so from receiving the request.
// Even if display=false we still need to start the timer in case display=true when communication starts.