// simple.hxx -- 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
//
// 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.
//
// $Id$
#ifndef _FG_SIMPLE_HXX
#define _FG_SIMPLE_HXX
-
-#ifndef __cplusplus
-# error This library requires C++
-#endif
-
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
#include <simgear/compiler.h>
-#include STL_STRING
-#include <map>
+#include <string>
#include <vector>
-SG_USING_STD(string);
-SG_USING_STD(map);
-SG_USING_STD(vector);
+#include <Navaids/positioned.hxx>
+// forward decls
+class FGAirportDynamics;
+class FGRunway;
+class FGTaxiway;
+class FGPavement;
+class SGPropertyNode;
-struct FGAirport {
+typedef SGSharedPtr<FGRunway> FGRunwayPtr;
+typedef SGSharedPtr<FGTaxiway> FGTaxiwayPtr;
+typedef SGSharedPtr<FGPavement> FGPavementPtr;
- string id;
- double longitude;
- double latitude;
- double elevation;
- string code;
- string name;
- bool has_metar;
-};
-
-typedef map < string, FGAirport > airport_map;
-typedef airport_map::iterator airport_map_iterator;
-typedef airport_map::const_iterator const_airport_map_iterator;
+namespace flightgear {
+ class SID;
+ class STAR;
+ class Approach;
+ class Waypt;
-typedef vector < FGAirport * > airport_list;
+ typedef SGSharedPtr<Waypt> WayptRef;
+ typedef std::vector<WayptRef> WayptVec;
+}
-class FGAirportList {
-
-private:
- airport_map airports_by_id;
- airport_list airports_array;
+/***************************************************************************************
+ *
+ **************************************************************************************/
+class FGAirport : public FGPositioned
+{
public:
-
- // Constructor
- FGAirportList( const string &airport_file, const string &metar_file );
-
- // Destructor
- ~FGAirportList();
-
- // search for the specified id.
- // Returns true if successful, otherwise returns false.
- // On success, airport data is returned thru "airport" pointer.
- // "airport" is not changed if "apt" is not found.
- FGAirport search( const string& id );
-
- // search for the airport closest to the specified position
- // (currently a linear inefficient search so it's probably not
- // best to use this at runtime.) If with_metar is true, then only
- // return station id's marked as having metar data.
- FGAirport search( double lon_deg, double lat_deg, bool with_metar );
-
-
+ FGAirport(const std::string& id, const SGGeod& location, const SGGeod& tower,
+ const std::string& name, bool has_metar, Type aType);
+ ~FGAirport();
+
+ const std::string& getId() const { return ident(); }
+ const std::string& getName() const { return _name; }
+ double getLongitude() const { return longitude(); }
+ // Returns degrees
+ double getLatitude() const { return latitude(); }
+ // Returns ft
+ double getElevation() const { return elevation(); }
+ bool getMetar() const { return _has_metar; }
+ bool isAirport() const;
+ bool isSeaport() const;
+ bool isHeliport() const;
+
+ virtual const std::string& name() const
+ { return _name; }
+
+ const SGGeod& getTowerLocation() const { return _tower_location; }
+
+ void setMetar(bool value) { _has_metar = value; }
+
+ FGRunway* getActiveRunwayForUsage() const;
+
+ FGAirportDynamics *getDynamics();
+
+ unsigned int numRunways() const;
+ FGRunway* getRunwayByIndex(unsigned int aIndex) const;
+
+ bool hasRunwayWithIdent(const std::string& aIdent) const;
+ FGRunway* getRunwayByIdent(const std::string& aIdent) const;
+ FGRunway* findBestRunwayForHeading(double aHeading) const;
+
/**
- * Return the number of airports in the list.
+ * return the most likely target runway based on a position.
+ * Specifically, return the runway for which the course from aPos
+ * to the runway end, mostly closely matches the runway heading.
+ * This is a good approximation of which runway the position is on or
+ * aiming towards.
*/
- int size() const;
-
-
+ FGRunway* findBestRunwayForPos(const SGGeod& aPos) const;
+
+ /**
+ * Useful predicate for FMS/GPS/NAV displays and similar - check if this
+ * aiport has a hard-surfaced runway of at least the specified length.
+ */
+ bool hasHardRunwayOfLengthFt(double aLengthFt) const;
+
+ unsigned int numTaxiways() const;
+ FGTaxiway* getTaxiwayByIndex(unsigned int aIndex) const;
+
+ unsigned int numPavements() const;
+ FGPavement* getPavementByIndex(unsigned int aIndex) const;
+
+ void setRunwaysAndTaxiways(std::vector<FGRunwayPtr>& rwys,
+ std::vector<FGTaxiwayPtr>& txwys,
+ std::vector<FGPavementPtr>& pvts);
+
+ class AirportFilter : public Filter
+ {
+ public:
+ virtual bool pass(FGPositioned* aPos) const {
+ return passAirport(static_cast<FGAirport*>(aPos));
+ }
+
+ virtual Type minType() const {
+ return AIRPORT;
+ }
+
+ virtual Type maxType() const {
+ return AIRPORT;
+ }
+
+ virtual bool passAirport(FGAirport* aApt) const {
+ return true;
+ }
+ };
+
+ /**
+ * Filter which passes heliports and seaports in addition to airports
+ */
+ class PortsFilter : public AirportFilter
+ {
+ public:
+ virtual Type maxType() const {
+ return SEAPORT;
+ }
+ };
+
+ class HardSurfaceFilter : public AirportFilter
+ {
+ public:
+ HardSurfaceFilter(double minLengthFt);
+
+ virtual bool passAirport(FGAirport* aApt) const;
+
+ private:
+ double mMinLengthFt;
+ };
+
+
+ void setProcedures(const std::vector<flightgear::SID*>& aSids,
+ const std::vector<flightgear::STAR*>& aStars,
+ const std::vector<flightgear::Approach*>& aApproaches);
+
+ void addSID(flightgear::SID* aSid);
+ void addSTAR(flightgear::STAR* aStar);
+ void addApproach(flightgear::Approach* aApp);
+
+ unsigned int numSIDs() const;
+ flightgear::SID* getSIDByIndex(unsigned int aIndex) const;
+ flightgear::SID* findSIDWithIdent(const std::string& aIdent) const;
+
+ unsigned int numSTARs() const;
+ flightgear::STAR* getSTARByIndex(unsigned int aIndex) const;
+ flightgear::STAR* findSTARWithIdent(const std::string& aIdent) const;
+
+ unsigned int numApproaches() const;
+ flightgear::Approach* getApproachByIndex(unsigned int aIndex) const;
+
+ /**
+ * Syntactic wrapper around FGPositioned::findClosest - find the closest
+ * match for filter, and return it cast to FGAirport. The default filter
+ * passes airports, but not seaports or heliports
+ */
+ static FGAirport* findClosest(const SGGeod& aPos, double aCuttofNm, Filter* filter = NULL);
+
+ /**
+ * Helper to look up an FGAirport instance by unique ident. Throws an
+ * exception if the airport could not be found - so callers can assume
+ * the result is non-NULL.
+ */
+ static FGAirport* getByIdent(const std::string& aIdent);
+
+ /**
+ * Helper to look up an FGAirport instance by unique ident. Returns NULL
+ * if the airport could not be found.
+ */
+ static FGAirport* findByIdent(const std::string& aIdent);
+
+ /**
+ * Specialised helper to implement the AirportList dialog. Performs a
+ * case-insensitive search on airport names and ICAO codes, and returns
+ * matches in a format suitable for use by a puaList.
+ */
+ static char** searchNamesAndIdents(const std::string& aFilter);
+
+ bool buildApproach(flightgear::Waypt* aEnroute, flightgear::STAR* aSTAR,
+ FGRunway* aRwy, flightgear::WayptVec& aRoute);
+
/**
- * Return a specific airport, by position.
+ * Given a destiation point, select the best SID and transition waypt from
+ * this airport. Returns (NULL,NULL) is no SIDs are defined, otherwise the
+ * best SID/transition is that which is closest to the destination point.
*/
- const FGAirport *getAirport( int index ) const;
-
-
+ std::pair<flightgear::SID*, flightgear::WayptRef> selectSID(const SGGeod& aDest, FGRunway* aRwy);
+
+ /**
+ * Select a STAR and enroute transition waypt, given an origin (departure) position.
+ * returns (NULL, NULL) is no suitable STAR is exists
+ */
+ std::pair<flightgear::STAR*, flightgear::WayptRef> selectSTAR(const SGGeod& aOrigin, FGRunway* aRwy);
+
+private:
+ typedef std::vector<FGRunwayPtr>::const_iterator Runway_iterator;
/**
- * Mark the specified airport record as not having metar
+ * Helper to locate a runway by ident
*/
- void no_metar( const string &id );
+ Runway_iterator getIteratorForRunwayIdent(const std::string& aIdent) const;
+ // disable these
+ FGAirport operator=(FGAirport &other);
+ FGAirport(const FGAirport&);
+
+ /**
+ * helper to read airport data from the scenery XML files.
+ */
+ void loadSceneryDefinitions() const;
+
+ /**
+ * Helpers to process property data loaded from an ICAO.threshold.xml file
+ */
+ void readThresholdData(SGPropertyNode* aRoot);
+ void processThreshold(SGPropertyNode* aThreshold);
+
+ /**
+ * Helper to parse property data loaded from an ICAO.twr.xml filke
+ */
+ void readTowerData(SGPropertyNode* aRoot);
+
+ SGGeod _tower_location;
+ std::string _name;
+ bool _has_metar;
+ FGAirportDynamics *_dynamics;
+
+ void loadRunways() const;
+ void loadTaxiways() const;
+ void loadProcedures() const;
+
+ mutable bool mRunwaysLoaded;
+ mutable bool mTaxiwaysLoaded;
+ mutable bool mProceduresLoaded;
+
+ std::vector<FGRunwayPtr> mRunways;
+ std::vector<FGTaxiwayPtr> mTaxiways;
+ std::vector<FGPavementPtr> mPavements;
+
+ std::vector<flightgear::SID*> mSIDs;
+ std::vector<flightgear::STAR*> mSTARs;
+ std::vector<flightgear::Approach*> mApproaches;
};
+// find basic airport location info from airport database
+const FGAirport *fgFindAirportID( const std::string& id);
+
+// get airport elevation
+double fgGetAirportElev( const std::string& id );
#endif // _FG_SIMPLE_HXX