#include <simgear/compiler.h>
-#include <plib/sg.h>
-#include <plib/ul.h>
-
#include <Environment/environment_mgr.hxx>
#include <Environment/environment.hxx>
#include <simgear/misc/sg_path.hxx>
#include <simgear/props/props.hxx>
#include <simgear/structure/subsystem_mgr.hxx>
-//#include <simgear/route/waypoint.hxx>
#include <simgear/debug/logstream.hxx>
#include <Main/globals.hxx>
#include <Main/fg_props.hxx>
#include <Airports/runways.hxx>
+#include <Airports/dynamics.hxx>
-#include STL_STRING
+#include <string>
#include "simple.hxx"
+#include "xmlloader.hxx"
-SG_USING_STD(sort);
-SG_USING_STD(random_shuffle);
+using std::sort;
+using std::random_shuffle;
/***************************************************************************
* FGAirport
***************************************************************************/
-FGAirport::FGAirport() : _longitude(0), _latitude(0), _elevation(0)
+
+FGAirport::FGAirport(const string &id, const SGGeod& location, const SGGeod& tower_location,
+ const string &name, bool has_metar, Type aType) :
+ FGPositioned(aType, id, location),
+ _tower_location(tower_location),
+ _name(name),
+ _has_metar(has_metar),
+ _dynamics(0)
{
- dynamics = 0;
}
-FGAirport::FGAirport(const string &id, double lon, double lat, double elev, const string &name, bool has_metar)
+FGAirport::~FGAirport()
{
- _id = id;
- _longitude = lon;
- _latitude = lat;
- _elevation = elev;
- _name = name;
- _has_metar = has_metar;
- dynamics = 0;
+ delete _dynamics;
}
+bool FGAirport::isAirport() const
+{
+ return type() == AIRPORT;
+}
-FGAirport::~FGAirport()
+bool FGAirport::isSeaport() const
{
- delete dynamics;
+ return type() == SEAPORT;
}
+bool FGAirport::isHeliport() const
+{
+ return type() == HELIPORT;
+}
FGAirportDynamics * FGAirport::getDynamics()
{
- if (dynamics != 0) {
- return dynamics;
+ if (_dynamics != 0) {
+ return _dynamics;
} else {
- FGRunwayPreference rwyPrefs;
//cerr << "Trying to load dynamics for " << _id << endl;
- dynamics = new FGAirportDynamics(_latitude, _longitude, _elevation, _id);
-
- SGPath parkpath( globals->get_fg_root() );
- parkpath.append( "/Airports/AI/" );
- parkpath.append(_id);
- parkpath.append("parking.xml");
-
- SGPath rwyPrefPath( globals->get_fg_root() );
- rwyPrefPath.append( "/Airports/AI/" );
- rwyPrefPath.append(_id);
- rwyPrefPath.append("rwyuse.xml");
-
- //if (ai_dirs.find(id.c_str()) != ai_dirs.end()
- // && parkpath.exists())
- if (parkpath.exists()) {
- try {
- readXML(parkpath.str(),*dynamics);
- //cerr << "Initializing " << getId() << endl;
- dynamics->init();
- dynamics->getGroundNetwork()->setParent(this);
- } catch (const sg_exception &e) {
- //cerr << "unable to read " << parkpath.str() << endl;
- }
- }
+ _dynamics = new FGAirportDynamics(this);
+ XMLLoader::load(_dynamics);
+
+ FGRunwayPreference rwyPrefs(this);
+ XMLLoader::load(&rwyPrefs);
+ _dynamics->setRwyUse(rwyPrefs);
+ }
+ return _dynamics;
+}
- //if (ai_dirs.find(id.c_str()) != ai_dirs.end()
- // && rwyPrefPath.exists())
- if (rwyPrefPath.exists()) {
- try {
- readXML(rwyPrefPath.str(), rwyPrefs);
- dynamics->setRwyUse(rwyPrefs);
- } catch (const sg_exception &e) {
- //cerr << "unable to read " << rwyPrefPath.str() << endl;
- //exit(1);
- }
- }
- //exit(1);
+unsigned int FGAirport::numRunways() const
+{
+ return mRunways.size();
+}
+
+FGRunway* FGAirport::getRunwayByIndex(unsigned int aIndex) const
+{
+ assert(aIndex >= 0 && aIndex < mRunways.size());
+ return mRunways[aIndex];
+}
+
+bool FGAirport::hasRunwayWithIdent(const string& aIdent) const
+{
+ return (getIteratorForRunwayIdent(aIdent) != mRunways.end());
+}
+
+FGRunway* FGAirport::getRunwayByIdent(const string& aIdent) const
+{
+ Runway_iterator it = getIteratorForRunwayIdent(aIdent);
+ if (it == mRunways.end()) {
+ SG_LOG(SG_GENERAL, SG_ALERT, "no such runway '" << aIdent << "' at airport " << ident());
+ throw sg_range_exception("unknown runway " + aIdent + " at airport:" + ident(), "FGAirport::getRunwayByIdent");
+ }
+
+ return *it;
+}
+
+FGAirport::Runway_iterator
+FGAirport::getIteratorForRunwayIdent(const string& aIdent) const
+{
+ string ident(aIdent);
+ if ((aIdent.size() == 1) || !isdigit(aIdent[1])) {
+ ident = "0" + aIdent;
+ }
+
+ Runway_iterator it = mRunways.begin();
+ for (; it != mRunways.end(); ++it) {
+ if ((*it)->ident() == ident) {
+ return it;
}
- return dynamics;
+ }
+
+ return it; // end()
}
+static double normaliseBearing(double aBearing)
+{
+ while (aBearing < -180) {
+ aBearing += 360.0;
+ }
+
+ while (aBearing > 180.0) {
+ aBearing -= 360.0;
+ }
+
+ return aBearing;
+}
+FGRunway* FGAirport::findBestRunwayForHeading(double aHeading) const
+{
+ Runway_iterator it = mRunways.begin();
+ FGRunway* result = NULL;
+ double currentBestQuality = 0.0;
+
+ SGPropertyNode *param = fgGetNode("/sim/airport/runways/search", true);
+ double lengthWeight = param->getDoubleValue("length-weight", 0.01);
+ double widthWeight = param->getDoubleValue("width-weight", 0.01);
+ double surfaceWeight = param->getDoubleValue("surface-weight", 10);
+ double deviationWeight = param->getDoubleValue("deviation-weight", 1);
+
+ for (; it != mRunways.end(); ++it) {
+ double good = (*it)->score(lengthWeight, widthWeight, surfaceWeight);
+
+ double dev = normaliseBearing(aHeading - (*it)->headingDeg());
+ double bad = fabs(deviationWeight * dev) + 1e-20;
+ double quality = good / bad;
+
+ if (quality > currentBestQuality) {
+ currentBestQuality = quality;
+ result = *it;
+ }
+ }
+ return result;
+}
+bool FGAirport::hasHardRunwayOfLengthFt(double aLengthFt) const
+{
+ unsigned int numRunways(mRunways.size());
+ for (unsigned int r=0; r<numRunways; ++r) {
+ FGRunway* rwy = mRunways[r];
+ if (rwy->isReciprocal()) {
+ continue; // we only care about lengths, so don't do work twice
+ }
+
+ if (rwy->isHardSurface() && (rwy->lengthFt() >= aLengthFt)) {
+ return true; // we're done!
+ }
+ } // of runways iteration
+
+ return false;
+}
+
+unsigned int FGAirport::numTaxiways() const
+{
+ return mTaxiways.size();
+}
+
+FGRunway* FGAirport::getTaxiwayByIndex(unsigned int aIndex) const
+{
+ assert(aIndex >= 0 && aIndex < mTaxiways.size());
+ return mTaxiways[aIndex];
+}
+
+void FGAirport::addRunway(FGRunway* aRunway)
+{
+ aRunway->setAirport(this);
+
+ if (aRunway->isTaxiway()) {
+ mTaxiways.push_back(aRunway);
+ } else {
+ mRunways.push_back(aRunway);
+ }
+}
+
+FGRunway* FGAirport::getActiveRunwayForUsage() const
+{
+ static FGEnvironmentMgr* envMgr = NULL;
+ if (!envMgr) {
+ envMgr = (FGEnvironmentMgr *) globals->get_subsystem("environment");
+ }
+
+ FGEnvironment stationWeather(envMgr->getEnvironment(mPosition));
+
+ double windSpeed = stationWeather.get_wind_speed_kt();
+ double hdg = stationWeather.get_wind_from_heading_deg();
+ if (windSpeed <= 0.0) {
+ hdg = 270; // This forces West-facing rwys to be used in no-wind situations
+ // which is consistent with Flightgear's initial setup.
+ }
+
+ return findBestRunwayForHeading(hdg);
+}
+
+FGAirport* FGAirport::findClosest(const SGGeod& aPos, double aCuttofNm, Filter* filter)
+{
+ AirportFilter aptFilter;
+ if (filter == NULL) {
+ filter = &aptFilter;
+ }
+
+ FGPositionedRef r = FGPositioned::findClosest(aPos, aCuttofNm, filter);
+ if (!r) {
+ return NULL;
+ }
+
+ return static_cast<FGAirport*>(r.ptr());
+}
+
+FGAirport::HardSurfaceFilter::HardSurfaceFilter(double minLengthFt) :
+ mMinLengthFt(minLengthFt)
+{
+}
+
+bool FGAirport::HardSurfaceFilter::pass(FGPositioned* aPos) const
+{
+ if (aPos->type() != AIRPORT) {
+ return false; // exclude seaports and heliports as well, we need a runways
+ }
+
+ return static_cast<FGAirport*>(aPos)->hasHardRunwayOfLengthFt(mMinLengthFt);
+}
/******************************************************************************
* FGAirportList
// add an entry to the list
-void FGAirportList::add( const string &id, const double longitude,
- const double latitude, const double elevation,
- const string &name, const bool has_metar )
+FGAirport* FGAirportList::add( const string &id, const SGGeod& location, const SGGeod& tower_location,
+ const string &name, bool has_metar, FGPositioned::Type aType)
{
- FGRunwayPreference rwyPrefs;
- FGAirport* a = new FGAirport(id, longitude, latitude, elevation, name, has_metar);
-
+ FGAirport* a = new FGAirport(id, location, tower_location, name, has_metar, aType);
airports_by_id[a->getId()] = a;
// try and read in an auxilary file
airports_array.push_back( a );
- SG_LOG( SG_GENERAL, SG_BULK, "Adding " << id << " pos = " << longitude
- << ", " << latitude << " elev = " << elevation );
+ return a;
}
-
// search for the specified id
FGAirport* FGAirportList::search( const string& id)
{
return (itr == airports_by_id.end() ? NULL : itr->second);
}
-
-// search for first subsequent alphabetically to supplied id
-const FGAirport* FGAirportList::findFirstById( const string& id, bool exact )
-{
- airport_map_iterator itr;
- if (exact) {
- itr = airports_by_id.find(id);
- } else {
- itr = airports_by_id.lower_bound(id);
- }
- if (itr == airports_by_id.end()) {
- return (NULL);
- } else {
- return (itr->second);
- }
-}
-
-
-// search for the airport nearest the specified position
-FGAirport* FGAirportList::search( double lon_deg, double lat_deg,
- bool with_metar )
-{
- int closest = -1;
- double min_dist = 360.0;
- unsigned int i;
- for ( i = 0; i < airports_array.size(); ++i ) {
- // crude manhatten distance based on lat/lon difference
- double d = fabs(lon_deg - airports_array[i]->getLongitude())
- + fabs(lat_deg - airports_array[i]->getLatitude());
- if ( d < min_dist ) {
- if ( !with_metar || (with_metar&&airports_array[i]->getMetar()) ) {
- closest = i;
- min_dist = d;
- }
- }
- }
-
- return ( closest > -1 ? airports_array[closest] : NULL );
-}
-
-
int
FGAirportList::size () const
{
}
}
-
-/**
- * Mark the specified airport record as not having metar
- */
-void FGAirportList::no_metar( const string &id )
-{
- if(airports_by_id.find(id) != airports_by_id.end()) {
- airports_by_id[id]->setMetar(false);
- }
-}
-
-
-/**
- * Mark the specified airport record as (yes) having metar
- */
-void FGAirportList::has_metar( const string &id )
-{
- if(airports_by_id.find(id) != airports_by_id.end()) {
- airports_by_id[id]->setMetar(true);
- }
-}
-
-
// find basic airport location info from airport database
const FGAirport *fgFindAirportID( const string& id)
{