#include

#include #include STL_STRING #include "simple.hxx" #include "xmlloader.hxx" SG_USING_STD(sort); SG_USING_STD(random_shuffle); /*************************************************************************** * FGAirport ***************************************************************************/ FGAirport::FGAirport() : _dynamics(0) { } FGAirport::FGAirport(const string &id, const SGGeod& location, const SGGeod& tower_location, const string &name, bool has_metar, bool is_airport, bool is_seaport, bool is_heliport) : _id(id), _location(location), _tower_location(tower_location), _name(name), _has_metar(has_metar), _is_airport(is_airport), _is_seaport(is_seaport), _is_heliport(is_heliport), _dynamics(0) { } FGAirport::~FGAirport() { delete _dynamics; } FGAirportDynamics * FGAirport::getDynamics() { if (_dynamics != 0) { return _dynamics; } else { //cerr << "Trying to load dynamics for " << _id << endl; _dynamics = new FGAirportDynamics(this); XMLLoader::load(_dynamics); FGRunwayPreference rwyPrefs(this); XMLLoader::load(&rwyPrefs); _dynamics->setRwyUse(rwyPrefs); } return _dynamics; } /****************************************************************************** * FGAirportList *****************************************************************************/ // Populates a list of subdirectories of $FG_ROOT/Airports/AI so that // the add() method doesn't have to try opening 2 XML files in each of // thousands of non-existent directories. FIXME: should probably add // code to free this list after parsing of apt.dat is finished; // non-issue at the moment, however, as there are no AI subdirectories // in the base package. // // Note: 2005/12/23: This is probably not necessary anymore, because I'm // Switching to runtime airport dynamics loading (DT). FGAirportList::FGAirportList() { // ulDir* d; // ulDirEnt* dent; // SGPath aid( globals->get_fg_root() ); // aid.append( "/Airports/AI" ); // if((d = ulOpenDir(aid.c_str())) == NULL) // return; // while((dent = ulReadDir(d)) != NULL) { // SG_LOG( SG_GENERAL, SG_DEBUG, "Dent: " << dent->d_name ); // ai_dirs.insert(dent->d_name); // } // ulCloseDir(d); } FGAirportList::~FGAirportList( void ) { for (unsigned int i = 0; i < airports_array.size(); ++i) { delete airports_array[i]; } } // add an entry to the list void FGAirportList::add( const string &id, const SGGeod& location, const SGGeod& tower_location, const string &name, bool has_metar, bool is_airport, bool is_seaport, bool is_heliport) { FGAirport* a = new FGAirport(id, location, tower_location, name, has_metar, is_airport, is_seaport, is_heliport); 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 = " << location.getLongitudeDeg() << ", " << location.getLatitudeDeg() << " elev = " << location.getElevationFt() ); } // search for the specified id FGAirport* FGAirportList::search( const string& id) { airport_map_iterator itr = airports_by_id.find(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 { return airports_array.size(); } const FGAirport *FGAirportList::getAirport( unsigned int index ) const { if (index < airports_array.size()) { return(airports_array[index]); } else { return(NULL); } } /** * 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) { const FGAirport* result = NULL; if ( id.length() ) { SG_LOG( SG_GENERAL, SG_BULK, "Searching for airport code = " << id ); result = globals->get_airports()->search( id ); if ( result == NULL ) { SG_LOG( SG_GENERAL, SG_ALERT, "Failed to find " << id << " in apt.dat.gz" ); return NULL; } } else { return NULL; } SG_LOG( SG_GENERAL, SG_BULK, "Position for " << id << " is (" << result->getLongitude() << ", " << result->getLatitude() << ")" ); return result; } // get airport elevation double fgGetAirportElev( const string& id ) { SG_LOG( SG_GENERAL, SG_BULK, "Finding elevation for airport: " << id ); const FGAirport *a=fgFindAirportID( id); if (a) { return a->getElevation(); } else { return -9999.0; } } // get airport position Point3D fgGetAirportPos( const string& id ) { SG_LOG( SG_ATC, SG_BULK, "Finding position for airport: " << id ); const FGAirport *a = fgFindAirportID( id); if (a) { return Point3D(a->getLongitude(), a->getLatitude(), a->getElevation()); } else { return Point3D(0.0, 0.0, -9999.0); } }