//
// 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 <config.h>
#endif
+#include <algorithm>
+
#include <simgear/debug/logstream.hxx>
#include <simgear/misc/sgstream.hxx>
+#include <simgear/misc/sg_path.hxx>
#include <simgear/math/sg_geodesy.hxx>
#include "fixlist.hxx"
+#include <Navaids/fix.hxx>
+#include <Navaids/NavDataCache.hxx>
-
-FGFixList *current_fixlist;
-
-
-// Constructor
-FGFixList::FGFixList( void ) {
-}
-
-
-// Destructor
-FGFixList::~FGFixList( void ) {
-}
-
-
-// load the navaids and build the map
-bool FGFixList::init( SGPath path ) {
- FGFix fix;
-
- fixlist.erase( fixlist.begin(), fixlist.end() );
-
- sg_gzifstream in( path.str() );
- if ( !in.is_open() ) {
- SG_LOG( SG_GENERAL, SG_ALERT, "Cannot open file: " << path.str() );
- exit(-1);
- }
-
- // read in each line of the file
-
- in >> skipeol;
- in >> skipcomment;
-
-#ifdef __MWERKS__
-
- char c = 0;
- while ( in.get(c) && c != '\0' && fix.get_ident() != (string)"[End]" ) {
- in.putback(c);
- in >> fix;
- if ( fix.get_ident() != (string)"[End]" ) {
- fixlist[fix.get_ident()] = fix;
- }
- in >> skipcomment;
- }
-
-#else
-
- while ( ! in.eof() && fix.get_ident() != (string)"[End]" ) {
- in >> fix;
- /* cout << "id = " << n.get_ident() << endl;
- cout << " type = " << n.get_type() << endl;
- cout << " lon = " << n.get_lon() << endl;
- cout << " lat = " << n.get_lat() << endl;
- cout << " elev = " << n.get_elev() << endl;
- cout << " freq = " << n.get_freq() << endl;
- cout << " range = " << n.get_range() << endl; */
- if ( fix.get_ident() != (string)"[End]" ) {
- fixlist[fix.get_ident()] = fix;
- }
- in >> skipcomment;
- }
-
-#endif
-
- return true;
+FGFix::FGFix(PositionedID aGuid, const std::string& aIdent, const SGGeod& aPos) :
+ FGPositioned(aGuid, FIX, aIdent, aPos)
+{
}
-// query the database for the specified frequency, lon and lat are in
-// degrees, elev is in meters
-bool FGFixList::query( const string& ident, double lon, double lat, double elev,
- FGFix *fix, double *heading, double *dist )
+namespace flightgear
+{
+
+void loadFixes(const SGPath& path)
{
- *fix = fixlist[ident];
- if ( fix->get_ident().empty() ) {
- return false;
- }
+ sg_gzifstream in( path.str() );
+ if ( !in.is_open() ) {
+ SG_LOG( SG_GENERAL, SG_ALERT, "Cannot open file: " << path.str() );
+ exit(-1);
+ }
+
+ // toss the first two lines of the file
+ in >> skipeol;
+ in >> skipeol;
+
+ NavDataCache* cache = NavDataCache::instance();
+
+ // read in each remaining line of the file
+ while ( ! in.eof() ) {
+ double lat, lon;
+ std::string ident;
+ in >> lat >> lon >> ident;
+ if (lat > 95) break;
+
+ cache->insertFix(ident, SGGeod::fromDeg(lon, lat));
+ in >> skipcomment;
+ }
- double az1, az2, s;
- geo_inverse_wgs_84( elev, lat, lon,
- fix->get_lat(), fix->get_lon(),
- &az1, &az2, &s );
- // cout << " dist = " << s << endl;
- *heading = az2;
- *dist = s;
- return true;
}
+
+} // of namespace flightgear;