X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FAirports%2Fsimple.cxx;h=249e5a72b40a8fa51cfaafd365e780524b32cfd6;hb=71fbacc6dc5afe0eda851c9b1a42d73a3ed463db;hp=36459fd16daf998fbb70d5767a58b63562dc54db;hpb=4be621fbe96114a246ed74aefe9b9a98bbf99b44;p=flightgear.git diff --git a/src/Airports/simple.cxx b/src/Airports/simple.cxx index 36459fd16..249e5a72b 100644 --- a/src/Airports/simple.cxx +++ b/src/Airports/simple.cxx @@ -1,6 +1,6 @@ // // 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. @@ -20,7 +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. // // $Id$ @@ -28,287 +28,392 @@ # include #endif -#ifdef _MSC_VER -# define _USE_MATH_DEFINES -#endif -#include -#include - -#include +#include "simple.hxx" -#include -#include +#include -#include -#include #include #include -#include -//#include +#include #include -#include
+#include + +#include +#include #include
#include +#include +#include +#include -#include STL_STRING - -#include "simple.hxx" - -SG_USING_STD(sort); -SG_USING_STD(random_shuffle); - - - - - +// magic import of a helper which uses FGPositioned internals +extern char** searchAirportNamesAndIdents(const std::string& aFilter); /*************************************************************************** * 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), + mRunwaysLoaded(false), + mTaxiwaysLoaded(true) { - 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; } -FGAirport::~FGAirport() +bool FGAirport::isAirport() const { - delete dynamics; + return type() == AIRPORT; } +bool FGAirport::isSeaport() const +{ + return type() == SEAPORT; +} -FGAirportDynamics * FGAirport::getDynamics() +bool FGAirport::isHeliport() const { - - 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); - dynamics->init(); - } - catch (const sg_exception &e) { - //cerr << "unable to read " << parkpath.str() << endl; - } - } - //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); - } - return dynamics; + return type() == HELIPORT; } +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); + + //FGSidStar SIDs(this); + XMLLoader::load(_dynamics->getSIDs()); + } + return _dynamics; +} +unsigned int FGAirport::numRunways() const +{ + loadRunways(); + return mRunways.size(); +} +FGRunway* FGAirport::getRunwayByIndex(unsigned int aIndex) const +{ + loadRunways(); + + assert(aIndex >= 0 && aIndex < mRunways.size()); + return mRunways[aIndex]; +} +bool FGAirport::hasRunwayWithIdent(const string& aIdent) const +{ + return (getIteratorForRunwayIdent(aIdent) != mRunways.end()); +} -/****************************************************************************** - * FGAirportList - *****************************************************************************/ +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; +} -// 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]; +FGAirport::Runway_iterator +FGAirport::getIteratorForRunwayIdent(const string& aIdent) const +{ + loadRunways(); + + 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() +} -// 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 ) +FGRunway* FGAirport::findBestRunwayForHeading(double aHeading) const { - FGRunwayPreference rwyPrefs; - FGAirport* a = new FGAirport(id, longitude, latitude, elevation, name, has_metar); - + loadRunways(); + + 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); - airports_by_id[a->getId()] = a; - // try and read in an auxilary file + for (; it != mRunways.end(); ++it) { + double good = (*it)->score(lengthWeight, widthWeight, surfaceWeight); - airports_array.push_back( a ); - SG_LOG( SG_GENERAL, SG_BULK, "Adding " << id << " pos = " << longitude - << ", " << latitude << " elev = " << elevation ); -} - + 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; + } + } -// 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); + return result; } - -// 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); +bool FGAirport::hasHardRunwayOfLengthFt(double aLengthFt) const +{ + loadRunways(); + + unsigned int numRunways(mRunways.size()); + for (unsigned int r=0; risReciprocal()) { + continue; // we only care about lengths, so don't do work twice } - if(itr == airports_by_id.end()) { - return(NULL); - } else { - return(itr->second); + + if (rwy->isHardSurface() && (rwy->lengthFt() >= aLengthFt)) { + return true; // we're done! } + } // of runways iteration + + return false; } +unsigned int FGAirport::numTaxiways() const +{ + loadTaxiways(); + return mTaxiways.size(); +} -// 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; - } - } - } +FGTaxiway* FGAirport::getTaxiwayByIndex(unsigned int aIndex) const +{ + loadTaxiways(); + assert(aIndex >= 0 && aIndex < mTaxiways.size()); + return mTaxiways[aIndex]; +} - return ( closest > -1 ? airports_array[closest] : NULL ); +unsigned int FGAirport::numPavements() const +{ + loadTaxiways(); + return mPavements.size(); } +FGPavement* FGAirport::getPavementByIndex(unsigned int aIndex) const +{ + loadTaxiways(); + assert(aIndex >= 0 && aIndex < mPavements.size()); + return mPavements[aIndex]; +} -int -FGAirportList::size () const +void FGAirport::setRunwaysAndTaxiways(vector& rwys, + vector& txwys, + vector& pvts) { - return airports_array.size(); + mRunways.swap(rwys); + Runway_iterator it = mRunways.begin(); + for (; it != mRunways.end(); ++it) { + (*it)->setAirport(this); + } + + mTaxiways.swap(txwys); + mPavements.swap(pvts); } -const FGAirport *FGAirportList::getAirport( unsigned int index ) const +FGRunway* FGAirport::getActiveRunwayForUsage() const { - if(index < airports_array.size()) { - return(airports_array[index]); - } else { - return(NULL); + static FGEnvironmentMgr* envMgr = NULL; + if (!envMgr) { + envMgr = (FGEnvironmentMgr *) globals->get_subsystem("environment"); + } + + // This forces West-facing rwys to be used in no-wind situations + // which is consistent with Flightgear's initial setup. + double hdg = 270; + + if (envMgr) { + FGEnvironment stationWeather(envMgr->getEnvironment(mPosition)); + + double windSpeed = stationWeather.get_wind_speed_kt(); + if (windSpeed > 0.0) { + hdg = stationWeather.get_wind_from_heading_deg(); } + } + + 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(r.ptr()); +} -/** - * 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); - } +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; + PortsFilter 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; + PortsFilter filter; + r = FGPositioned::findNextWithPartialId(r, aIdent, &filter); + if (!r) { + throw sg_range_exception("No such airport with ident: " + aIdent); + } + return static_cast(r.ptr()); +} -/** - * 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); - } +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) { - const FGAirport* result = NULL; - if ( id.length() ) { - SG_LOG( SG_GENERAL, SG_INFO, "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 { +const FGAirport *fgFindAirportID( const string& id) +{ + if ( id.empty() ) { return NULL; } - SG_LOG( SG_GENERAL, SG_INFO, - "Position for " << id << " is (" - << result->getLongitude() << ", " - << result->getLatitude() << ")" ); + + return FGAirport::findByIdent(id); +} - return result; +void FGAirport::loadRunways() const +{ + if (mRunwaysLoaded) { + return; // already loaded, great + } + + mRunwaysLoaded = true; + loadSceneryDefintions(); } +void FGAirport::loadTaxiways() const +{ + if (mTaxiwaysLoaded) { + return; // already loaded, great + } +} -// get airport elevation -double fgGetAirportElev( const string& id ) { +void FGAirport::loadSceneryDefintions() const +{ + // allow users to disable the scenery data in the short-term + // longer term, this option can probably disappear + if (!fgGetBool("/sim/paths/use-custom-scenery-data")) { + return; + } + + SGPath path; + SGPropertyNode_ptr rootNode = new SGPropertyNode; + if (XMLLoader::findAirportData(ident(), "threshold", path)) { + readProperties(path.str(), rootNode); + const_cast(this)->readThresholdData(rootNode); + } + + // repeat for the tower data + rootNode = new SGPropertyNode; + if (XMLLoader::findAirportData(ident(), "twr", path)) { + readProperties(path.str(), rootNode); + const_cast(this)->readTowerData(rootNode); + } +} + +void FGAirport::readThresholdData(SGPropertyNode* aRoot) +{ + SGPropertyNode* runway; + int runwayIndex = 0; + for (; (runway = aRoot->getChild("runway", runwayIndex)) != NULL; ++runwayIndex) { + SGPropertyNode* t0 = runway->getChild("threshold", 0), + *t1 = runway->getChild("threshold", 1); + assert(t0); + assert(t1); // too strict? mayeb we should finally allow single-ended runways - // double lon, lat; + processThreshold(t0); + processThreshold(t1); + } // of runways iteration +} - SG_LOG( SG_GENERAL, SG_INFO, - "Finding elevation for airport: " << id ); +void FGAirport::processThreshold(SGPropertyNode* aThreshold) +{ + // first, let's identify the current runway + string id(aThreshold->getStringValue("rwy")); + if (!hasRunwayWithIdent(id)) { + SG_LOG(SG_GENERAL, SG_WARN, "FGAirport::processThreshold: " + "found runway not defined in the global data:" << ident() << "/" << id); + return; + } + + FGRunway* rwy = getRunwayByIdent(id); + rwy->processThreshold(aThreshold); +} +void FGAirport::readTowerData(SGPropertyNode* aRoot) +{ + SGPropertyNode* twrNode = aRoot->getChild("tower")->getChild("twr"); + double lat = twrNode->getDoubleValue("lat"), + lon = twrNode->getDoubleValue("lon"), + elevM = twrNode->getDoubleValue("elev-m"); + + _tower_location = SGGeod::fromDegM(lon, lat, elevM); +} + +// get airport elevation +double fgGetAirportElev( const string& id ) +{ const FGAirport *a=fgFindAirportID( id); if (a) { return a->getElevation(); @@ -317,18 +422,15 @@ double fgGetAirportElev( const string& id ) { } } -// get airport position -Point3D fgGetAirportPos( const string& id ) { - // double lon, lat; - - SG_LOG( SG_ATC, SG_INFO, - "Finding position for airport: " << id ); +// get airport position +SGGeod fgGetAirportPos( const string& id ) +{ const FGAirport *a = fgFindAirportID( id); - + if (a) { - return Point3D(a->getLongitude(), a->getLatitude(), a->getElevation()); + return SGGeod::fromDegM(a->getLongitude(), a->getLatitude(), a->getElevation()); } else { - return Point3D(0.0, 0.0, -9999.0); + return SGGeod::fromDegM(0.0, 0.0, -9999.0); } }