#include <simgear/compiler.h>
-#include <plib/sg.h>
-#include <plib/ul.h>
-
#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/debug/logstream.hxx>
#include <Main/globals.hxx>
#include <Main/fg_props.hxx>
#include <Airports/runways.hxx>
+#include <Airports/dynamics.hxx>
-#include STL_STRING
+#include <string>
#include "simple.hxx"
#include "xmlloader.hxx"
-SG_USING_STD(sort);
-SG_USING_STD(random_shuffle);
-
-
+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)
{
}
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()
{
return _dynamics;
}
+unsigned int FGAirport::numRunways() const
+{
+ return mRunways.size();
+}
+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;
+}
-/******************************************************************************
- * 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()
+FGAirport::Runway_iterator
+FGAirport::getIteratorForRunwayIdent(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);
+ 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()
}
+static double normaliseBearing(double aBearing)
+{
+ while (aBearing < -180) {
+ aBearing += 360.0;
+ }
+
+ while (aBearing > 180.0) {
+ aBearing -= 360.0;
+ }
+
+ return aBearing;
+}
-FGAirportList::~FGAirportList( void )
+FGRunway* FGAirport::findBestRunwayForHeading(double aHeading) const
{
- for (unsigned int i = 0; i < airports_array.size(); ++i) {
- delete airports_array[i];
+ 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 = normaliseBearing(aHeading - (*it)->headingDeg());
+ 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; r<numRunways; ++r) {
+ FGRunway* rwy = mRunways[r];
+ if (rwy->isReciprocal()) {
+ continue; // we only care about lengths, so don't do work twice
+ }
-// 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)
+ if (rwy->isHardSurface() && (rwy->lengthFt() >= aLengthFt)) {
+ return true; // we're done!
+ }
+ } // of runways iteration
+
+ return false;
+}
+
+unsigned int FGAirport::numTaxiways() const
{
- FGAirport* a = new FGAirport(id, location, tower_location, name, has_metar,
- is_airport, is_seaport, is_heliport);
+ return mTaxiways.size();
+}
- airports_by_id[a->getId()] = a;
- // try and read in an auxilary file
+FGRunway* FGAirport::getTaxiwayByIndex(unsigned int aIndex) const
+{
+ assert(aIndex >= 0 && aIndex < mTaxiways.size());
+ return mTaxiways[aIndex];
+}
- airports_array.push_back( a );
- SG_LOG( SG_GENERAL, SG_BULK, "Adding " << id << " pos = " << location.getLongitudeDeg()
- << ", " << location.getLatitudeDeg() << " elev = " << location.getElevationFt() );
+void FGAirport::addRunway(FGRunway* aRunway)
+{
+ aRunway->setAirport(this);
+
+ if (aRunway->isTaxiway()) {
+ mTaxiways.push_back(aRunway);
+ } else {
+ mRunways.push_back(aRunway);
+ }
}
+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);
+}
-// search for the specified id
-FGAirport* FGAirportList::search( const string& id)
+FGAirport* FGAirport::findClosest(const SGGeod& aPos, double aCuttofNm, Filter* filter)
{
- airport_map_iterator itr = airports_by_id.find(id);
- return (itr == airports_by_id.end() ? NULL : itr->second);
+ AirportFilter aptFilter;
+ if (filter == NULL) {
+ filter = &aptFilter;
+ }
+
+ FGPositionedRef r = FGPositioned::findClosest(aPos, aCuttofNm, filter);
+ if (!r) {
+ return NULL;
+ }
+
+ return static_cast<FGAirport*>(r.ptr());
}
+FGAirport::HardSurfaceFilter::HardSurfaceFilter(double minLengthFt) :
+ mMinLengthFt(minLengthFt)
+{
+}
+
+bool FGAirport::HardSurfaceFilter::pass(FGPositioned* aPos) const
+{
+ if (aPos->type() != AIRPORT) {
+ return false; // exclude seaports and heliports as well, we need a runways
+ }
+
+ return static_cast<FGAirport*>(aPos)->hasHardRunwayOfLengthFt(mMinLengthFt);
+}
-// search for first subsequent alphabetically to supplied id
-const FGAirport* FGAirportList::findFirstById( const string& id, bool exact )
+FGAirport* FGAirport::findByIdent(const std::string& aIdent)
{
- 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);
- }
+ 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());
}
+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<FGAirport*>(r.ptr());
+}
-// search for the airport nearest the specified position
-FGAirport* FGAirportList::search(double lon_deg, double lat_deg)
+char** FGAirport::searchNamesAndIdents(const std::string& aFilter)
{
- static FGAirportSearchFilter accept_any;
- return search(lon_deg, lat_deg, accept_any);
+ // we delegate all the work to a horrible helper in FGPositioned, which can
+ // access the (private) index data.
+ return searchAirportNamesAndIdents(aFilter);
}
+/******************************************************************************
+ * FGAirportList
+ *****************************************************************************/
-// search for the airport nearest the specified position and
-// passing the filter
-FGAirport* FGAirportList::search(double lon_deg, double lat_deg,
- FGAirportSearchFilter& filter)
+FGAirportList::FGAirportList()
{
- 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;
+}
+
- // 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;
- }
+FGAirportList::~FGAirportList( void )
+{
+ for (unsigned int i = 0; i < airports_array.size(); ++i) {
+ delete airports_array[i];
}
- return closest != end ? *closest : 0;
}
+// add an entry to the list
+FGAirport* FGAirportList::add( const string &id, const SGGeod& location, const SGGeod& tower_location,
+ const string &name, bool has_metar, FGPositioned::Type aType)
+{
+ FGAirport* a = new FGAirport(id, location, tower_location, name, has_metar, aType);
+ // try and read in an auxilary file
+ airports_array.push_back( a );
+ return a;
+}
+
int
FGAirportList::size () const
{
}
}
-
-/**
- * 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);
- }
-}
-
-
-/**
- * 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);
- }
-}
-
-
// 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_BULK, "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 {
+ if ( id.empty() ) {
return NULL;
}
- SG_LOG( SG_GENERAL, SG_BULK,
- "Position for " << id << " is ("
- << result->getLongitude() << ", "
- << result->getLatitude() << ")" );
-
- return result;
+
+ return FGAirport::findByIdent(id);
}