X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FAirports%2Fsimple.cxx;h=02d7025b8c62c8c1ecd45270efed823d63ad7528;hb=48e948d4bcd65cc8ccdfb23097ed9ea592e4226c;hp=7bfe300a115d014dcd0d24b74f4a8628c83a4772;hpb=6665d7d6092093ffda9c89cc58bea4d89f4c1c17;p=flightgear.git diff --git a/src/Airports/simple.cxx b/src/Airports/simple.cxx index 7bfe300a1..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 +// 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 @@ -19,7 +20,7 @@ // // 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. // // $Id$ @@ -27,64 +28,298 @@ # include #endif -#include +#include "simple.hxx" +#include +#include #include -#include +#include -#include STL_STRING -#include STL_FUNCTIONAL -#include STL_ALGORITHM -#include STL_IOSTREAM +#include +#include +#include
+#include +#include +#include -#include "simple.hxx" +// 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) +{ +} + + +FGAirport::~FGAirport() +{ + delete _dynamics; +} -SG_USING_NAMESPACE(std); -SG_USING_STD(istream); +bool FGAirport::isAirport() const +{ + return type() == AIRPORT; +} +bool FGAirport::isSeaport() const +{ + return type() == SEAPORT; +} -inline istream& -operator >> ( istream& in, FGAirport& a ) +bool FGAirport::isHeliport() const { - string junk; - in >> junk >> a.id >> a.latitude >> a.longitude >> a.elevation - >> a.code; + return type() == HELIPORT; +} - char name[256]; // should never be longer than this, right? :-) - in.getline( name, 256 ); - a.name = name; +FGAirportDynamics * FGAirport::getDynamics() +{ + if (_dynamics != 0) { + return _dynamics; + } else { + //cerr << "Trying to load dynamics for " << _id << endl; + _dynamics = new FGAirportDynamics(this); + XMLLoader::load(_dynamics); - return in; + FGRunwayPreference rwyPrefs(this); + XMLLoader::load(&rwyPrefs); + _dynamics->setRwyUse(rwyPrefs); + } + return _dynamics; } +unsigned int FGAirport::numRunways() const +{ + return mRunways.size(); +} -FGAirportList::FGAirportList( const string& file ) { - SG_LOG( SG_GENERAL, SG_DEBUG, "Reading simple airport list: " << file ); +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 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; + } + } + + return result; +} + +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 + } - // open the specified file for reading - sg_gzifstream in( file ); - if ( !in.is_open() ) { - SG_LOG( SG_GENERAL, SG_ALERT, "Cannot open file: " << file ); - exit(-1); + if (rwy->isHardSurface() && (rwy->lengthFt() >= aLengthFt)) { + return true; // we're done! } + } // of runways iteration + + return false; +} + +unsigned int FGAirport::numTaxiways() const +{ + return mTaxiways.size(); +} + +FGTaxiway* FGAirport::getTaxiwayByIndex(unsigned int aIndex) const +{ + assert(aIndex >= 0 && aIndex < mTaxiways.size()); + return mTaxiways[aIndex]; +} + +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); +} - // skip header line - in >> skipeol; +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()); +} - while ( in ) { - FGAirport a; - in >> a; - airports[a.id] = a; +FGAirport::HardSurfaceFilter::HardSurfaceFilter(double minLengthFt) : + mMinLengthFt(minLengthFt) +{ +} + +bool FGAirport::HardSurfaceFilter::passAirport(FGAirport* aApt) const +{ + return aApt->hasHardRunwayOfLengthFt(mMinLengthFt); +} + +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()); +} + +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()); +} + +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); +} + +// find basic airport location info from airport database +const FGAirport *fgFindAirportID( const string& id) +{ + if ( id.empty() ) { + return NULL; } + + return FGAirport::findByIdent(id); } -// search for the specified id -FGAirport FGAirportList::search( const string& id) { - return airports[id]; +// 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; + } } -// Destructor -FGAirportList::~FGAirportList( void ) { +// 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); + } }