//
// Written by Curtis Olson, started April 2000.
//
-// Copyright (C) 2000 Curtis L. Olson - curt@flightgear.org
+// Copyright (C) 2000 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.
//
// $Id$
#include <simgear/compiler.h>
-#include <simgear/misc/sg_path.hxx>
+
+#include <simgear/structure/SGSharedPtr.hxx>
#include <map>
#include <vector>
-#include STL_STRING
-
-#include "nav.hxx"
-
-SG_USING_STD(map);
-SG_USING_STD(vector);
-SG_USING_STD(string);
-
-class FGNavList {
-
- // convenience types
- typedef vector < FGNav* > nav_list_type;
- typedef nav_list_type::iterator nav_list_iterator;
- typedef nav_list_type::const_iterator nav_list_const_iterator;
-
- typedef map < int, nav_list_type > nav_map_type;
- typedef nav_map_type::iterator nav_map_iterator;
- typedef nav_map_type::const_iterator nav_map_const_iterator;
-
- typedef map < string, nav_list_type > nav_ident_map_type;
-
- nav_map_type navaids;
- nav_ident_map_type ident_navaids;
-
- // internal helper to pick a Nav item from a nav_list based on
- // distance from the aircraft point
- bool findNavFromList(const Point3D &aircraft,
- nav_list_iterator current,
- nav_list_iterator last,
- FGNav *n);
-
-public:
+#include <string>
- FGNavList();
- ~FGNavList();
+#include "navrecord.hxx"
- // load the navaids and build the map
- bool init( SGPath path );
+// forward decls
+class SGGeod;
- // query the database for the specified frequency, lon and lat are
- // in degrees, elev is in meters
- bool query( double lon, double lat, double elev, double freq, FGNav *nav );
+// FGNavList ------------------------------------------------------------------
- // locate closest item in the DB matching the requested ident
- bool findByIdent(const char* ident, double lon, double lat, FGNav *nav);
+typedef SGSharedPtr<FGNavRecord> nav_rec_ptr;
+typedef std::vector < nav_rec_ptr > nav_list_type;
- // locate item in the DB matching the requested ident
- bool findByIdentAndFreq(const char* ident, const double& freq, FGNav *nav);
-};
+class FGNavList
+{
+public:
+ class TypeFilter : public FGPositioned::Filter
+ {
+ public:
+ TypeFilter(const FGPositioned::Type type);
+
+ TypeFilter(const FGPositioned::Type minType,
+ const FGPositioned::Type maxType);
+
+ virtual FGPositioned::Type minType() const {
+ return _mintype;
+ }
+
+ virtual FGPositioned::Type maxType() const {
+ return _maxtype;
+ }
+
+ protected:
+ FGPositioned::Type _mintype;
+ FGPositioned::Type _maxtype;
+ };
+
+ /**
+ filter matching VOR & ILS/LOC transmitters
+ */
+ static TypeFilter* navFilter();
+
+ /**
+ * filter matching ILS/LOC transmitter
+ */
+ static TypeFilter* locFilter();
+
+ static TypeFilter* ndbFilter();
+
+ /**
+ * Filter returning TACANs and VORTACs
+ */
+ static TypeFilter* tacanFilter();
+
+
+ static TypeFilter* carrierFilter();
+
+ /** Query the database for the specified station. It is assumed
+ * that there will be multiple stations with matching frequencies
+ * so a position must be specified.
+ */
+ static FGNavRecord *findByFreq( double freq, const SGGeod& position,
+ TypeFilter* filter = NULL);
+
+ /**
+ * Overloaded version above - no positioned supplied so can be used with
+ * mobile TACANs which have no valid position. The first match is
+ * returned only.
+ */
+ static FGNavRecord *findByFreq( double freq, TypeFilter* filter = NULL);
+
+ static nav_list_type findAllByFreq( double freq, const SGGeod& position,
+ TypeFilter* filter = NULL);
+
+ // Given an Ident and optional frequency and type ,
+ // return a list of matching stations.
+ static nav_list_type findByIdentAndFreq( const std::string& ident,
+ const double freq,
+ TypeFilter* filter = NULL);
+
+ // Given an Ident and optional frequency and type ,
+ // return a list of matching stations sorted by distance to the given position
+ static nav_list_type findByIdentAndFreq( const SGGeod & position,
+ const std::string& ident, const double freq = 0.0,
+ TypeFilter* filter = NULL);
+
+ };
+
+
+// FGTACANList ----------------------------------------------------------------
+
+
+typedef SGSharedPtr<FGTACANRecord> tacan_rec_ptr;
+typedef std::vector < tacan_rec_ptr > tacan_list_type;
+typedef std::map < int, tacan_list_type > tacan_map_type;
+typedef std::map < std::string, tacan_list_type > tacan_ident_map_type;
+
+class FGTACANList {
+
+ tacan_list_type channellist;
+ tacan_map_type channels;
+ tacan_ident_map_type ident_channels;
+public:
-extern FGNavList *current_navlist;
+ FGTACANList();
+ ~FGTACANList();
+ // initialize the TACAN list
+ bool init();
+ // add an entry
+ bool add( FGTACANRecord *r );
+
+ // Given a TACAN Channel, return the appropriate frequency.
+ FGTACANRecord *findByChannel( const std::string& channel );
+
+
+};
#endif // _FG_NAVLIST_HXX