Fix for refueling and radar calculations.

[flightgear.git] / src / Navaids / navlist.hxx

diff --git a/src/Navaids/navlist.hxx b/src/Navaids/navlist.hxx
index 1d6bea2c640297693f182761cfe093df38acd502..cdf178db3a3cf3179389ae4fb1d1a5a87b91cd7e 100644 (file)
--- a/src/Navaids/navlist.hxx
+++ b/src/Navaids/navlist.hxx
@@ -2,7 +2,7 @@
 //
 // 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
@@ -16,7 +16,7 @@
 //
 // 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.
 //
 // $Id$
 
@@ -32,53 +32,114 @@
 #include <vector>
 #include STL_STRING
 
-#include "nav.hxx"
+#include "navrecord.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;
+// FGNavList ------------------------------------------------------------------
+
+
+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 {
 
-    typedef map < string, nav_list_type > nav_ident_map_type;
-       
+    nav_list_type carrierlist;
     nav_map_type navaids;
+    nav_map_type navaids_by_tile;
     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);
-       
+
+    // 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:
 
     FGNavList();
     ~FGNavList();
 
-    // load the navaids and build the map
-    bool init( SGPath path );
+    // initialize the nav list
+    bool init();
 
-    // 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 *n );
+    // add an entry
+    bool add( FGNavRecord *n );
+
+    /** 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 );
 
     // locate closest item in the DB matching the requested ident
-    bool findByIdent(const char* ident, double lon, double lat, FGNav *nav);
+    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; }
 };
 
 
-extern FGNavList *current_navlist;
 
 
+// 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