X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FAirports%2Fsimple.cxx;h=af16923b3469507a8b5e0487aaab7e595e8f136e;hb=386aefe69358ce41a11c9afeb8f56e26758fe56b;hp=018b44cea9886f75b2de158248c9f80d5c8b06a4;hpb=667e64e1ebc86a0c53112b92b53475898f315c36;p=flightgear.git diff --git a/src/Airports/simple.cxx b/src/Airports/simple.cxx index 018b44cea..af16923b3 100644 --- a/src/Airports/simple.cxx +++ b/src/Airports/simple.cxx @@ -28,55 +28,38 @@ # include #endif -#include -#include - -#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 "simple.hxx" -#include "xmlloader.hxx" - -using std::sort; -using std::random_shuffle; - - - +// magic import of a helper which uses FGPositioned internals +extern char** searchAirportNamesAndIdents(const std::string& aFilter); /*************************************************************************** * 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), + const string &name, bool has_metar, Type aType) : + FGPositioned(aType, id, 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) + _dynamics(0), + mRunwaysLoaded(false), + mTaxiwaysLoaded(true) { } @@ -86,6 +69,20 @@ FGAirport::~FGAirport() delete _dynamics; } +bool FGAirport::isAirport() const +{ + return type() == AIRPORT; +} + +bool FGAirport::isSeaport() const +{ + return type() == SEAPORT; +} + +bool FGAirport::isHeliport() const +{ + return type() == HELIPORT; +} FGAirportDynamics * FGAirport::getDynamics() { @@ -99,197 +96,322 @@ FGAirportDynamics * FGAirport::getDynamics() 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 - *****************************************************************************/ - -// 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() +FGRunway* FGAirport::getRunwayByIdent(const string& aIdent) const { -// 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); + 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 +{ + 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() +} -FGAirportList::~FGAirportList( void ) +FGRunway* FGAirport::findBestRunwayForHeading(double aHeading) const { - for (unsigned int i = 0; i < airports_array.size(); ++i) { - delete airports_array[i]; + 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); + + 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; +} -// 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) +bool FGAirport::hasHardRunwayOfLengthFt(double aLengthFt) const { - FGAirport* a = new FGAirport(id, location, tower_location, name, has_metar, - is_airport, is_seaport, is_heliport); + loadRunways(); + + unsigned int numRunways(mRunways.size()); + for (unsigned int r=0; risReciprocal()) { + continue; // we only care about lengths, so don't do work twice + } - airports_by_id[a->getId()] = a; - // try and read in an auxilary file + if (rwy->isHardSurface() && (rwy->lengthFt() >= aLengthFt)) { + return true; // we're done! + } + } // of runways iteration - airports_array.push_back( a ); - SG_LOG( SG_GENERAL, SG_BULK, "Adding " << id << " pos = " << location.getLongitudeDeg() - << ", " << location.getLatitudeDeg() << " elev = " << location.getElevationFt() ); + return false; } - -// search for the specified id -FGAirport* FGAirportList::search( const string& id) +unsigned int FGAirport::numTaxiways() const { - airport_map_iterator itr = airports_by_id.find(id); - return (itr == airports_by_id.end() ? NULL : itr->second); + loadTaxiways(); + return mTaxiways.size(); } - -// search for first subsequent alphabetically to supplied id -const FGAirport* FGAirportList::findFirstById( const string& id, bool exact ) +FGTaxiway* FGAirport::getTaxiwayByIndex(unsigned int aIndex) const { - 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); - } + loadTaxiways(); + assert(aIndex >= 0 && aIndex < mTaxiways.size()); + return mTaxiways[aIndex]; } - -// search for the airport nearest the specified position -FGAirport* FGAirportList::search(double lon_deg, double lat_deg) +unsigned int FGAirport::numPavements() const { - static FGAirportSearchFilter accept_any; - return search(lon_deg, lat_deg, accept_any); + loadTaxiways(); + return mPavements.size(); } +FGPavement* FGAirport::getPavementByIndex(unsigned int aIndex) const +{ + loadTaxiways(); + assert(aIndex >= 0 && aIndex < mPavements.size()); + return mPavements[aIndex]; +} -// search for the airport nearest the specified position and -// passing the filter -FGAirport* FGAirportList::search(double lon_deg, double lat_deg, - FGAirportSearchFilter& filter) +void FGAirport::setRunwaysAndTaxiways(vector& rwys, + vector& txwys, + vector& pvts) { - double min_dist = 360.0; - airport_list_iterator it = airports_array.begin(); - airport_list_iterator end = airports_array.end(); - airport_list_iterator closest = end; - for (; it != end; ++it) { - if (!filter.pass(*it)) - continue; + mRunways.swap(rwys); + Runway_iterator it = mRunways.begin(); + for (; it != mRunways.end(); ++it) { + (*it)->setAirport(this); + } + + mTaxiways.swap(txwys); + mPavements.swap(pvts); +} - // crude manhatten distance based on lat/lon difference - double d = fabs(lon_deg - (*it)->getLongitude()) - + fabs(lat_deg - (*it)->getLatitude()); - if (d < min_dist) { - closest = it; - min_dist = d; - } +FGRunway* FGAirport::getActiveRunwayForUsage() const +{ + 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 closest != end ? *closest : 0; + } + + return findBestRunwayForHeading(hdg); } - -int -FGAirportList::size () const +FGAirport* FGAirport::findClosest(const SGGeod& aPos, double aCuttofNm, Filter* filter) { - return airports_array.size(); + AirportFilter aptFilter; + if (filter == NULL) { + filter = &aptFilter; + } + + FGPositionedRef r = FGPositioned::findClosest(aPos, aCuttofNm, filter); + if (!r) { + return NULL; + } + + return static_cast(r.ptr()); } - -const FGAirport *FGAirportList::getAirport( unsigned int index ) const +FGAirport::HardSurfaceFilter::HardSurfaceFilter(double minLengthFt) : + mMinLengthFt(minLengthFt) { - if (index < airports_array.size()) { - return(airports_array[index]); - } else { - return(NULL); - } +} + +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()); +} -/** - * Mark the specified airport record as not having metar - */ -void FGAirportList::no_metar( const string &id ) +FGAirport* FGAirport::getByIdent(const std::string& aIdent) { - if(airports_by_id.find(id) != airports_by_id.end()) { - airports_by_id[id]->setMetar(false); - } + 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()); } +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); +} -/** - * Mark the specified airport record as (yes) having metar - */ -void FGAirportList::has_metar( const string &id ) +// find basic airport location info from airport database +const FGAirport *fgFindAirportID( const string& id) { - if(airports_by_id.find(id) != airports_by_id.end()) { - airports_by_id[id]->setMetar(true); + if ( id.empty() ) { + return NULL; } + + return FGAirport::findByIdent(id); } +void FGAirport::loadRunways() const +{ + if (mRunwaysLoaded) { + return; // already loaded, great + } + + mRunwaysLoaded = true; + loadSceneryDefintions(); +} -// find basic airport location info from airport database -const FGAirport *fgFindAirportID( const string& id) +void FGAirport::loadTaxiways() const { - const FGAirport* result = NULL; - if ( id.length() ) { - SG_LOG( SG_GENERAL, SG_BULK, "Searching for airport code = " << id ); + if (mTaxiwaysLoaded) { + return; // already loaded, great + } +} - result = globals->get_airports()->search( 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); + } +} - 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() << ")" ); +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 + + processThreshold(t0); + processThreshold(t1); + } // of runways iteration +} - return result; +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 ) { - SG_LOG( SG_GENERAL, SG_BULK, - "Finding elevation for airport: " << id ); - const FGAirport *a=fgFindAirportID( id); if (a) { return a->getElevation(); @@ -300,16 +422,13 @@ double fgGetAirportElev( const string& id ) // get airport position -Point3D fgGetAirportPos( const string& id ) +SGGeod 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()); + 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); } }