#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 "Airports/simple.hxx";
+#include <Navaids/fix.hxx>
+#include <Navaids/NavDataCache.hxx>
-using std::pair;
-
-
-// Constructor
-FGFixList::FGFixList( void ) {
-}
-
-
-// Destructor
-FGFixList::~FGFixList( void ) {
-}
-
-
-// load the navaids and build the map
-bool FGFixList::init( SGPath path ) {
- 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);
- }
-
- // toss the first two lines of the file
- in >> skipeol;
- in >> skipeol;
-
- // read in each remaining line of the file
- while ( ! in.eof() ) {
-
- FGFix fix;
- in >> fix;
- if ( fix.get_lat() > 95.0 ) {
- break;
- }
-
- /* cout << "ident=" << fix.get_ident()
- << ", lat=" << fix.get_lat()
- << ", lon=" << fix.get_lon() << endl; */
-
- fixlist.insert(pair<string, FGFix>(fix.get_ident(), fix));
- in >> skipcomment;
- }
- return true;
-}
-
-
-// query the database for the specified fix, lon and lat are in
-// degrees, elev is in meters
-bool FGFixList::query( const string& ident, FGFix *fix ) {
- fix_map_const_iterator it = fixlist.find(ident);
- if ( it != fixlist.end() ) {
- *fix = it->second;
- return true;
- } else {
- return false;
- }
-}
-
-
-// query the database for the specified fix, lon and lat are in
-// degrees, elev is in meters
-bool FGFixList::query_and_offset( const string& ident, double lon, double lat,
- double elev, FGFix *fix, double *heading,
- double *dist )
+FGFix::FGFix(PositionedID aGuid, const std::string& aIdent, const SGGeod& aPos) :
+ FGPositioned(aGuid, FIX, aIdent, aPos)
{
- pair<fix_map_const_iterator, fix_map_const_iterator> range = fixlist.equal_range(ident);
-
- if (range.first == range.second) {
- return false;
- }
-
- double min_s = -1.0;
- for (fix_map_const_iterator current = range.first; current != range.second; ++current) {
- double az1, az2, s;
- geo_inverse_wgs_84( elev, lat, lon,
- current->second.get_lat(), current->second.get_lon(),
- &az1, &az2, &s );
- // cout << " dist = " << s << endl;
- if (min_s < 0 || s < min_s) {
- *heading = az2;
- *dist = s;
- min_s = s;
- *fix = current->second;
- }
- }
-
- return true;
}
-const FGFix* FGFixList::search(const string& ident)
-{
- fix_map_iterator itr = fixlist.find(ident);
- if (itr == fixlist.end()) {
- return NULL;
- }
-
- return &itr->second;
-}
-class orderingFunctor
+namespace flightgear
{
-public:
- orderingFunctor(FGIdentOrdering* aOrder) :
- mOrdering(aOrder)
- { assert(aOrder); }
- bool operator()(const fix_map_type::value_type& aA, const std::string& aB) const
- {
- return mOrdering->compare(aA.first,aB);
- }
-
-private:
- FGIdentOrdering* mOrdering;
-};
-
-const FGFix* FGFixList::findFirstByIdent( const string& ident, FGIdentOrdering* aOrder)
+void loadFixes(const SGPath& path)
{
- fix_map_iterator itr;
- if (aOrder) {
- orderingFunctor func(aOrder);
- itr = std::lower_bound(fixlist.begin(),fixlist.end(), ident, func);
- } else {
- itr = fixlist.lower_bound(ident);
+ sg_gzifstream in( path.str() );
+ if ( !in.is_open() ) {
+ SG_LOG( SG_NAVAID, SG_ALERT, "Cannot open file: " << path.str() );
+ exit(-1);
}
- if (itr == fixlist.end()) {
- return NULL;
- }
+ // toss the first two lines of the file
+ in >> skipeol;
+ in >> skipeol;
- return &itr->second;
+ 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;
+ }
+
}
+
+} // of namespace flightgear;