X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FAirports%2Fsimple.cxx;h=02d7025b8c62c8c1ecd45270efed823d63ad7528;hb=48e948d4bcd65cc8ccdfb23097ed9ea592e4226c;hp=9ac98469b2389117ad5cabccb6233c7dff2eff47;hpb=39f4bea43e26d724692b4ae6919b2bb7df74e847;p=flightgear.git diff --git a/src/Airports/simple.cxx b/src/Airports/simple.cxx index 9ac98469b..02d7025b8 100644 --- a/src/Airports/simple.cxx +++ b/src/Airports/simple.cxx @@ -1,11 +1,12 @@ // // simple.cxx -- a really simplistic class to manage airport ID, -// lat, lon of the center of one of it's runways, and -// elevation in feet. +// lat, lon of the center of one of it's runways, and +// elevation in feet. // // Written by Curtis Olson, started April 1998. +// Updated by Durk Talsma, started December, 2004. // -// Copyright (C) 1998 Curtis L. Olson - curt@me.umn.edu +// Copyright (C) 1998 Curtis L. Olson - http://www.flightgear.org/~curt // // This program is free software; you can redistribute it and/or // modify it under the terms of the GNU General Public License as @@ -19,227 +20,306 @@ // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software -// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. // // $Id$ - #ifdef HAVE_CONFIG_H # include #endif -#include // for gdbm open flags -#include // for gdbm open flags - -#ifdef HAVE_GDBM -# include -#else -# include -#endif - -#include - -#include -#include - -#include
- -#include STL_STRING -#include STL_FUNCTIONAL -#include STL_ALGORITHM - #include "simple.hxx" - -FGAirports::FGAirports( const string& file ) { - dbf = gdbm_open( (char *)file.c_str(), 0, GDBM_READER, 0, NULL ); - if ( dbf == NULL ) { - cout << "Error opening " << file << endl; - exit(-1); - } else { - cout << "successfully opened " << file << endl; - } +#include +#include +#include +#include + +#include +#include +#include
+#include +#include +#include + +// magic import of a helper which uses FGPositioned internals +extern char** searchAirportNamesAndIdents(const std::string& aFilter); + +/*************************************************************************** + * FGAirport + ***************************************************************************/ + +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) +{ } -// search for the specified id -bool -FGAirports::search( const string& id, FGAirport* a ) const +FGAirport::~FGAirport() { - FGAirport *tmp; - datum content; - datum key; - - key.dptr = (char *)id.c_str(); - key.dsize = id.length(); - - content = gdbm_fetch( dbf, key ); - - cout << "gdbm_fetch() finished" << endl; + delete _dynamics; +} - if ( content.dptr != NULL ) { - tmp = (FGAirport *)content.dptr; +bool FGAirport::isAirport() const +{ + return type() == AIRPORT; +} - // a->id = tmp->id; - a->longitude = tmp->longitude; - a->latitude = tmp->latitude; - a->elevation = tmp->elevation; +bool FGAirport::isSeaport() const +{ + return type() == SEAPORT; +} - free( content.dptr ); +bool FGAirport::isHeliport() const +{ + return type() == HELIPORT; +} +FGAirportDynamics * FGAirport::getDynamics() +{ + if (_dynamics != 0) { + return _dynamics; } else { - return false; - } - - return true; + //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; } - -FGAirport -FGAirports::search( const string& id ) const +unsigned int FGAirport::numRunways() const { - FGAirport a, *tmp; - datum content; - datum key; - - key.dptr = (char *)id.c_str(); - key.dsize = id.length(); - - content = gdbm_fetch( dbf, key ); - - if ( content.dptr != NULL ) { - tmp = (FGAirport *)content.dptr; - a = *tmp; - } + return mRunways.size(); +} - return a; +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()); +} -// Destructor -FGAirports::~FGAirports( void ) { - gdbm_close( dbf ); +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; + } + } -// Constructor -FGAirportsUtil::FGAirportsUtil() { + return it; // end() } +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 = aHeading - (*it)->headingDeg(); + SG_NORMALIZE_RANGE(dev, -180.0, 180.0); + double bad = fabs(deviationWeight * dev) + 1e-20; + double quality = good / bad; + + if (quality > currentBestQuality) { + currentBestQuality = quality; + result = *it; + } + } -// load the data -int FGAirportsUtil::load( const string& file ) { - FGAirport a; - - airports.erase( airports.begin(), airports.end() ); + return result; +} - fg_gzifstream in( file ); - if ( !in.is_open() ) { - FG_LOG( FG_GENERAL, FG_ALERT, "Cannot open file: " << file ); - exit(-1); +bool FGAirport::hasHardRunwayOfLengthFt(double aLengthFt) const +{ + unsigned int numRunways(mRunways.size()); + for (unsigned int r=0; risReciprocal()) { + continue; // we only care about lengths, so don't do work twice } - /* - // We can use the STL copy algorithm because the input - // file doesn't contain and comments or blank lines. - copy( istream_iterator(in.stream()), - istream_iterator(), - inserter( airports, airports.begin() ) ); - */ - - // read in each line of the file - -#ifdef __MWERKS__ - - in >> skipcomment; - char c = 0; - while ( in.get(c) && c != '\0' ) { - in.putback(c); - in >> a; - airports.insert(a); - in >> skipcomment; + if (rwy->isHardSurface() && (rwy->lengthFt() >= aLengthFt)) { + return true; // we're done! } + } // of runways iteration -#else + return false; +} - in >> skipcomment; - while ( ! in.eof() ) { - in >> a; - airports.insert(a); - in >> skipcomment; - } +unsigned int FGAirport::numTaxiways() const +{ + return mTaxiways.size(); +} -#endif +FGTaxiway* FGAirport::getTaxiwayByIndex(unsigned int aIndex) const +{ + assert(aIndex >= 0 && aIndex < mTaxiways.size()); + return mTaxiways[aIndex]; +} - return 1; +void FGAirport::setRunwaysAndTaxiways(vector& rwys, + vector& txwys) +{ + mRunways.swap(rwys); + Runway_iterator it = mRunways.begin(); + for (; it != mRunways.end(); ++it) { + (*it)->setAirport(this); + } + + mTaxiways.swap(txwys); } +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); +} -// save the data in gdbm format -bool FGAirportsUtil::dump_gdbm( const string& file ) { +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(r.ptr()); +} - GDBM_FILE dbf; - dbf = gdbm_open( (char *)file.c_str(), 0, GDBM_NEWDB | GDBM_FAST, - S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH, - NULL ); - if ( dbf == NULL ) { - cout << "Error opening " << file << endl; - exit(-1); - } else { - cout << "successfully opened " << file << endl; - } +FGAirport::HardSurfaceFilter::HardSurfaceFilter(double minLengthFt) : + mMinLengthFt(minLengthFt) +{ +} + +bool FGAirport::HardSurfaceFilter::passAirport(FGAirport* aApt) const +{ + return aApt->hasHardRunwayOfLengthFt(mMinLengthFt); +} - iterator current = airports.begin(); - const_iterator end = airports.end(); - while ( current != end ) { - datum key; - key.dptr = (char *)current->id.c_str(); - key.dsize = current->id.length(); +FGAirport* FGAirport::findByIdent(const std::string& aIdent) +{ + FGPositionedRef r; + AirportFilter filter; + r = FGPositioned::findNextWithPartialId(r, aIdent, &filter); + if (!r) { + return NULL; // we don't warn here, let the caller do that + } + return static_cast(r.ptr()); +} - datum content; - FGAirport tmp = *current; - content.dptr = (char *)(& tmp); - content.dsize = sizeof( *current ); +FGAirport* FGAirport::getByIdent(const std::string& aIdent) +{ + FGPositionedRef r; + AirportFilter filter; + r = FGPositioned::findNextWithPartialId(r, aIdent, &filter); + if (!r) { + throw sg_range_exception("No such airport with ident: " + aIdent); + } + return static_cast(r.ptr()); +} - gdbm_store( dbf, key, content, GDBM_REPLACE ); +char** FGAirport::searchNamesAndIdents(const std::string& aFilter) +{ + // we delegate all the work to a horrible helper in FGPositioned, which can + // access the (private) index data. + return searchAirportNamesAndIdents(aFilter); +} - ++current; +// find basic airport location info from airport database +const FGAirport *fgFindAirportID( const string& id) +{ + if ( id.empty() ) { + return NULL; } - - gdbm_close( dbf ); - - return true; + + return FGAirport::findByIdent(id); } -// search for the specified id -bool -FGAirportsUtil::search( const string& id, FGAirport* a ) const +// get airport elevation +double fgGetAirportElev( const string& id ) { - const_iterator it = airports.find( FGAirport(id) ); - if ( it != airports.end() ) - { - *a = *it; - return true; - } - else - { - return false; + 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; } } -FGAirport -FGAirportsUtil::search( const string& id ) const +// get airport position +Point3D fgGetAirportPos( const string& id ) { - FGAirport a; - this->search( id, &a ); - return a; -} + SG_LOG( SG_ATC, SG_BULK, + "Finding position for airport: " << id ); + const FGAirport *a = fgFindAirportID( id); -// Destructor -FGAirportsUtil::~FGAirportsUtil( void ) { + if (a) { + return Point3D(a->getLongitude(), a->getLatitude(), a->getElevation()); + } else { + return Point3D(0.0, 0.0, -9999.0); + } } - -