# include <config.h>
#endif
-#include <math.h>
-#include <algorithm>
-
-#include <simgear/compiler.h>
-
-#include <plib/sg.h>
-#include <plib/ul.h>
+#include "simple.hxx"
-#include <Environment/environment_mgr.hxx>
-#include <Environment/environment.hxx>
#include <simgear/misc/sg_path.hxx>
#include <simgear/props/props.hxx>
-#include <simgear/structure/subsystem_mgr.hxx>
-//#include <simgear/route/waypoint.hxx>
+#include <simgear/props/props_io.hxx>
#include <simgear/debug/logstream.hxx>
-#include <Main/globals.hxx>
+#include <simgear/sg_inlines.h>
+
+#include <Environment/environment_mgr.hxx>
+#include <Environment/environment.hxx>
#include <Main/fg_props.hxx>
#include <Airports/runways.hxx>
+#include <Airports/pavement.hxx>
+#include <Airports/dynamics.hxx>
+#include <Airports/xmlloader.hxx>
-#include STL_STRING
-
-#include "simple.hxx"
-#include "xmlloader.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()
+
+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, const SGGeod& location, const SGGeod& tower_location, const string &name, bool has_metar)
+
+FGAirport::~FGAirport()
{
- _id = id;
- _location = location;
- _tower_location = tower_location;
- _name = name;
- _has_metar = has_metar;
- dynamics = 0;
+ delete _dynamics;
}
+bool FGAirport::isAirport() const
+{
+ return type() == AIRPORT;
+}
-FGAirport::~FGAirport()
+bool FGAirport::isSeaport() const
{
- delete dynamics;
+ return type() == SEAPORT;
}
+bool FGAirport::isHeliport() const
+{
+ return type() == HELIPORT;
+}
FGAirportDynamics * FGAirport::getDynamics()
{
- if (dynamics != 0) {
- return dynamics;
+ if (_dynamics != 0) {
+ return _dynamics;
} else {
//cerr << "Trying to load dynamics for " << _id << endl;
- dynamics = new FGAirportDynamics(this);
- XMLLoader::load(dynamics);
+ _dynamics = new FGAirportDynamics(this);
+ XMLLoader::load(_dynamics);
FGRunwayPreference rwyPrefs(this);
XMLLoader::load(&rwyPrefs);
- dynamics->setRwyUse(rwyPrefs);
+ _dynamics->setRwyUse(rwyPrefs);
+
+ //FGSidStar SIDs(this);
+ XMLLoader::load(_dynamics->getSIDs());
}
- return dynamics;
+ 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()
+unsigned int FGAirport::numRunways() 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);
+ loadRunways();
+ return mRunways.size();
}
-
-FGAirportList::~FGAirportList( void )
+FGRunway* FGAirport::getRunwayByIndex(unsigned int aIndex) const
{
- for (unsigned int i = 0; i < airports_array.size(); ++i) {
- delete airports_array[i];
- }
+ loadRunways();
+
+ assert(aIndex >= 0 && aIndex < mRunways.size());
+ return mRunways[aIndex];
}
-
-// add an entry to the list
-void FGAirportList::add( const string &id, const SGGeod& location, const SGGeod& tower_location,
- const string &name, const bool has_metar )
+bool FGAirport::hasRunwayWithIdent(const string& aIdent) const
{
- FGAirport* a = new FGAirport(id, location, tower_location, name, has_metar);
-
- 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() );
+ return (getIteratorForRunwayIdent(aIdent) != mRunways.end());
}
-
-// search for the specified id
-FGAirport* FGAirportList::search( const string& id)
+FGRunway* FGAirport::getRunwayByIdent(const string& aIdent) const
{
- airport_map_iterator itr = airports_by_id.find(id);
- return (itr == airports_by_id.end() ? NULL : itr->second);
+ 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;
+ }
+ }
-// search for first subsequent alphabetically to supplied id
-const FGAirport* FGAirportList::findFirstById( const string& id, bool exact )
+ return it; // end()
+}
+
+FGRunway* FGAirport::findBestRunwayForHeading(double aHeading) 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);
+ 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;
}
+bool FGAirport::hasHardRunwayOfLengthFt(double aLengthFt) const
+{
+ loadRunways();
+
+ unsigned int numRunways(mRunways.size());
+ for (unsigned int r=0; r<numRunways; ++r) {
+ FGRunway* rwy = mRunways[r];
+ if (rwy->isReciprocal()) {
+ continue; // we only care about lengths, so don't do work twice
+ }
-// 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;
- }
- }
+ if (rwy->isHardSurface() && (rwy->lengthFt() >= aLengthFt)) {
+ return true; // we're done!
}
+ } // of runways iteration
- return ( closest > -1 ? airports_array[closest] : NULL );
+ return false;
}
+unsigned int FGAirport::numTaxiways() const
+{
+ loadTaxiways();
+ return mTaxiways.size();
+}
-int
-FGAirportList::size () const
+FGTaxiway* FGAirport::getTaxiwayByIndex(unsigned int aIndex) const
{
- return airports_array.size();
+ loadTaxiways();
+ assert(aIndex >= 0 && aIndex < mTaxiways.size());
+ return mTaxiways[aIndex];
}
+unsigned int FGAirport::numPavements() const
+{
+ loadTaxiways();
+ return mPavements.size();
+}
-const FGAirport *FGAirportList::getAirport( unsigned int index ) const
+FGPavement* FGAirport::getPavementByIndex(unsigned int aIndex) const
{
- if (index < airports_array.size()) {
- return(airports_array[index]);
- } else {
- return(NULL);
- }
+ loadTaxiways();
+ assert(aIndex >= 0 && aIndex < mPavements.size());
+ return mPavements[aIndex];
}
+void FGAirport::setRunwaysAndTaxiways(vector<FGRunwayPtr>& rwys,
+ vector<FGTaxiwayPtr>& txwys,
+ vector<FGPavementPtr>& pvts)
+{
+ mRunways.swap(rwys);
+ Runway_iterator it = mRunways.begin();
+ for (; it != mRunways.end(); ++it) {
+ (*it)->setAirport(this);
+ }
+
+ mTaxiways.swap(txwys);
+ mPavements.swap(pvts);
+}
-/**
- * Mark the specified airport record as not having metar
- */
-void FGAirportList::no_metar( const string &id )
+FGRunway* FGAirport::getActiveRunwayForUsage() const
{
- if(airports_by_id.find(id) != airports_by_id.end()) {
- airports_by_id[id]->setMetar(false);
- }
+ 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);
}
+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<FGAirport*>(r.ptr());
+}
-/**
- * Mark the specified airport record as (yes) having metar
- */
-void FGAirportList::has_metar( const string &id )
+FGAirport::HardSurfaceFilter::HardSurfaceFilter(double minLengthFt) :
+ mMinLengthFt(minLengthFt)
{
- if(airports_by_id.find(id) != airports_by_id.end()) {
- airports_by_id[id]->setMetar(true);
- }
+}
+
+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<FGAirport*>(r.ptr());
+}
-// find basic airport location info from airport database
-const FGAirport *fgFindAirportID( const string& id)
+FGAirport* FGAirport::getByIdent(const std::string& aIdent)
{
- const FGAirport* result = NULL;
- if ( id.length() ) {
- SG_LOG( SG_GENERAL, SG_BULK, "Searching for airport code = " << id );
+ 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<FGAirport*>(r.ptr());
+}
- result = globals->get_airports()->search( id );
+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);
+}
- if ( result == NULL ) {
- SG_LOG( SG_GENERAL, SG_ALERT,
- "Failed to find " << id << " in apt.dat.gz" );
- return NULL;
- }
- } else {
+// find basic airport location info from airport database
+const FGAirport *fgFindAirportID( const string& id)
+{
+ if ( id.empty() ) {
return NULL;
}
- SG_LOG( SG_GENERAL, SG_BULK,
- "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
+ }
+}
+
+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/use-scenery-airport-data")) {
+ return;
+ }
+
+ SGPath path;
+ SGPropertyNode_ptr rootNode = new SGPropertyNode;
+ if (XMLLoader::findAirportData(ident(), "threshold", path)) {
+ readProperties(path.str(), rootNode);
+ const_cast<FGAirport*>(this)->readThresholdData(rootNode);
+ }
+
+ // repeat for the tower data
+ rootNode = new SGPropertyNode;
+ if (XMLLoader::findAirportData(ident(), "twr", path)) {
+ readProperties(path.str(), rootNode);
+ const_cast<FGAirport*>(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
+
+ processThreshold(t0);
+ processThreshold(t1);
+ } // of runways iteration
+}
+
+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();
// 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);
}
}
projects / flightgear.git / blobdiff