-// navaids.hxx -- navaids management class
+// navlist.hxx -- navaids management class
//
// 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.
//
// $Id$
-#ifndef _FG_NAVAIDS_HXX
-#define _FG_NAVAIDS_HXX
+#ifndef _FG_NAVLIST_HXX
+#define _FG_NAVLIST_HXX
#include <simgear/compiler.h>
-#include <simgear/misc/fgpath.hxx>
+#include <simgear/misc/sg_path.hxx>
#include <map>
#include <vector>
+#include STL_STRING
-#include "nav.hxx"
+#include "navrecord.hxx"
-FG_USING_STD(map);
-FG_USING_STD(vector);
+SG_USING_STD(map);
+SG_USING_STD(vector);
+SG_USING_STD(string);
-class FGNavaids {
- // convenience types
- typedef vector < FGNavaid > nav_list_type;
- typedef nav_list_type::iterator nav_list_iterator;
- typedef nav_list_type::const_iterator nav_list_const_iterator;
+// FGNavList ------------------------------------------------------------------
- typedef map < int, nav_list_type, less<int> > nav_map_type;
- typedef nav_map_type::iterator nav_map_iterator;
- typedef nav_map_type::const_iterator nav_map_const_iterator;
+typedef vector < FGNavRecord* > 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;
+typedef nav_ident_map_type::iterator nav_ident_map_iterator;
+
+
+class FGNavList {
+
+ nav_list_type carrierlist;
nav_map_type navaids;
+ nav_map_type navaids_by_tile;
+ nav_ident_map_type ident_navaids;
+
+ // Given a point and a list of stations, return the closest one to
+ // the specified point.
+ FGNavRecord *findNavFromList( const SGVec3d &aircraft,
+ const nav_list_type &stations );
public:
- FGNavaids();
- ~FGNavaids();
+ FGNavList();
+ ~FGNavList();
+
+ // initialize the nav list
+ bool init();
+
+ // add an entry
+ bool add( FGNavRecord *n );
- // load the navaids and build the map
- bool init( FGPath path );
+ /** 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. Lon and lat are in radians,
+ * elev is in meters.
+ */
+ FGNavRecord *findByFreq( double freq, double lon, double lat, double elev );
- // 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,
- FGNavaid *n, double *heading, double *dist);
+ // locate closest item in the DB matching the requested ident
+ FGNavRecord *findByIdent( const char* ident, const double lon, const double lat );
+
+ // Find items of requested type with closest exact or subsequent ident
+ // (by ASCII code value) to that supplied.
+ // Supplying true for exact forces only exact matches to be returned (similar to above function)
+ // Returns an empty list if no match found - calling function should check for this!
+ nav_list_type findFirstByIdent( const string& ident, fg_nav_types type, bool exact = false );
+
+ // Given an Ident and optional freqency, return the first matching
+ // station.
+ FGNavRecord *findByIdentAndFreq( const char* ident,
+ const double freq = 0.0 );
+
+ // returns the closest entry to the give lon/lat/elev
+ FGNavRecord *findClosest( double lon_rad, double lat_rad, double elev_m, fg_nav_types type = FG_NAV_ANY );
+
+ // given a frequency returns the first matching entry
+ FGNavRecord *findStationByFreq( double frequency );
+
+ inline const nav_map_type& get_navaids() const { return navaids; }
};
-#endif // _FG_NAVAIDS_HXX
+
+
+// FGTACANList ----------------------------------------------------------------
+
+
+
+typedef vector < FGTACANRecord* > tacan_list_type;
+typedef map < int, tacan_list_type > tacan_map_type;
+typedef map < 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:
+
+ 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 string& channel );
+
+
+};
+#endif // _FG_NAVLIST_HXX