// elevation in feet.
//
// Written by Curtis Olson, started April 1998.
+// Updated by Durk Talsma, started December, 2004.
//
// Copyright (C) 1998 Curtis L. Olson - http://www.flightgear.org/~curt
//
#endif
#include <math.h>
+#include <algorithm>
#include <simgear/compiler.h>
+#include <plib/sg.h>
+#include <plib/ul.h>
+
+#include <Environment/environment_mgr.hxx>
+#include <Environment/environment.hxx>
+#include <simgear/misc/sg_path.hxx>
+#include <simgear/props/props.hxx>
+#include <simgear/structure/subsystem_mgr.hxx>
+//#include <simgear/route/waypoint.hxx>
#include <simgear/debug/logstream.hxx>
-#include <simgear/misc/sgstream.hxx>
+#include <Main/globals.hxx>
+#include <Main/fg_props.hxx>
+#include <Airports/runways.hxx>
#include STL_STRING
-#include STL_IOSTREAM
#include "simple.hxx"
-SG_USING_NAMESPACE(std);
-SG_USING_STD(istream);
+SG_USING_STD(sort);
+SG_USING_STD(random_shuffle);
-inline istream&
-operator >> ( istream& in, FGAirport& a )
-{
- string junk;
- in >> junk >> a.id >> a.latitude >> a.longitude >> a.elevation
- >> a.code;
- getline( in,a.name );
- // Remove the space before the name
- if ( a.name.substr(0,1) == " " ) {
- a.name = a.name.erase(0,1);
- }
- a.has_metar = false;
-#if 0
- // As a quick seed for the has_metar value, only airports with
- // four-letter codes can have metar stations
- a.has_metar = (isalpha(a.id[0]) && isalpha(a.id[1]) && isalpha(a.id[2])
- && isalpha(a.id[3]) && !a.id[4]);
-#endif
+/***************************************************************************
+ * FGAirport
+ ***************************************************************************/
+FGAirport::FGAirport() : _longitude(0), _latitude(0), _elevation(0)
+{
+ dynamics = 0;
+}
- return in;
+
+FGAirport::FGAirport(const string &id, double lon, double lat, double elev, const string &name, bool has_metar)
+{
+ _id = id;
+ _longitude = lon;
+ _latitude = lat;
+ _elevation = elev;
+ _name = name;
+ _has_metar = has_metar;
+ dynamics = 0;
}
+FGAirport::~FGAirport()
+{
+ delete dynamics;
+}
-FGAirportList::FGAirportList( const string &airport_file,
- const string &metar_file ) {
- SG_LOG( SG_GENERAL, SG_INFO, "Reading simple airport list: "
- << airport_file );
- // open the specified file for reading
- sg_gzifstream apt_in( airport_file );
- if ( !apt_in.is_open() ) {
- SG_LOG( SG_GENERAL, SG_ALERT, "Cannot open file: " << airport_file );
- exit(-1);
+FGAirportDynamics * FGAirport::getDynamics()
+{
+
+ if (dynamics != 0)
+ return dynamics;
+ else
+ {
+ FGRunwayPreference rwyPrefs;
+ //cerr << "Trying to load dynamics for " << _id << endl;
+ dynamics = new FGAirportDynamics(_latitude, _longitude, _elevation, _id);
+
+ SGPath parkpath( globals->get_fg_root() );
+ parkpath.append( "/Airports/AI/" );
+ parkpath.append(_id);
+ parkpath.append("parking.xml");
+
+ SGPath rwyPrefPath( globals->get_fg_root() );
+ rwyPrefPath.append( "/Airports/AI/" );
+ rwyPrefPath.append(_id);
+ rwyPrefPath.append("rwyuse.xml");
+ //if (ai_dirs.find(id.c_str()) != ai_dirs.end()
+ // && parkpath.exists())
+ if (parkpath.exists())
+ {
+ try {
+ readXML(parkpath.str(),*dynamics);
+ dynamics->init();
+ }
+ catch (const sg_exception &e) {
+ //cerr << "unable to read " << parkpath.str() << endl;
+ }
+ }
+ //if (ai_dirs.find(id.c_str()) != ai_dirs.end()
+ // && rwyPrefPath.exists())
+ if (rwyPrefPath.exists())
+ {
+ try {
+ readXML(rwyPrefPath.str(), rwyPrefs);
+ dynamics->setRwyUse(rwyPrefs);
+ }
+ catch (const sg_exception &e) {
+ //cerr << "unable to read " << rwyPrefPath.str() << endl;
+ //exit(1);
+ }
+ }
+ //exit(1);
}
+ return dynamics;
+}
- // skip header line
- apt_in >> skipeol;
- FGAirport a;
- while ( apt_in ) {
- apt_in >> a;
- airports_by_id[a.id] = a;
- airports_array.push_back( &airports_by_id[a.id] );
- }
- SG_LOG( SG_GENERAL, SG_INFO, "Reading simple metar station list: "
- << metar_file );
- // open the specified file for reading
- sg_gzifstream metar_in( metar_file );
- if ( !metar_in.is_open() ) {
- SG_LOG( SG_GENERAL, SG_ALERT, "Cannot open file: " << metar_file );
- }
+/******************************************************************************
+ * FGAirportList
+ *****************************************************************************/
- string ident;
- while ( metar_in ) {
- metar_in >> ident;
- if ( ident == "#" || ident == "//" ) {
- metar_in >> skipeol;
- } else {
- airport_map_iterator apt = airports_by_id.find( ident );
- if ( apt == airports_by_id.end() ) {
- SG_LOG( SG_GENERAL, SG_DEBUG, "no apt = " << ident );
- } else {
- SG_LOG( SG_GENERAL, SG_DEBUG, "metar = " << ident );
- airports_by_id[ident].has_metar = true;
- }
- }
+// Populates a list of subdirectories of $FG_ROOT/Airports/AI so that
+// the add() method doesn't have to try opening 2 XML files in each of
+// thousands of non-existent directories. FIXME: should probably add
+// code to free this list after parsing of apt.dat is finished;
+// non-issue at the moment, however, as there are no AI subdirectories
+// in the base package.
+//
+// Note: 2005/12/23: This is probably not necessary anymore, because I'm
+// Switching to runtime airport dynamics loading (DT).
+FGAirportList::FGAirportList()
+{
+// ulDir* d;
+// ulDirEnt* dent;
+// SGPath aid( globals->get_fg_root() );
+// aid.append( "/Airports/AI" );
+// if((d = ulOpenDir(aid.c_str())) == NULL)
+// return;
+// while((dent = ulReadDir(d)) != NULL) {
+// SG_LOG( SG_GENERAL, SG_DEBUG, "Dent: " << dent->d_name );
+// ai_dirs.insert(dent->d_name);
+// }
+// ulCloseDir(d);
+}
+
+
+FGAirportList::~FGAirportList( void ) {
+ for(unsigned int i = 0; i < airports_array.size(); ++i) {
+ delete airports_array[i];
}
}
+// add an entry to the list
+void FGAirportList::add( const string &id, const double longitude,
+ const double latitude, const double elevation,
+ const string &name, const bool has_metar )
+{
+ FGRunwayPreference rwyPrefs;
+ FGAirport* a = new FGAirport(id, longitude, latitude, elevation, name, has_metar);
+
+
+ airports_by_id[a->getId()] = a;
+ // try and read in an auxilary file
+
+ airports_array.push_back( a );
+ SG_LOG( SG_GENERAL, SG_BULK, "Adding " << id << " pos = " << longitude
+ << ", " << latitude << " elev = " << elevation );
+}
+
+
// search for the specified id
-FGAirport FGAirportList::search( const string& id) {
- return airports_by_id[id];
+FGAirport* FGAirportList::search( const string& id) {
+ airport_map_iterator itr = airports_by_id.find(id);
+ return(itr == airports_by_id.end() ? NULL : itr->second);
+}
+
+
+// search for first subsequent alphabetically to supplied id
+const FGAirport* FGAirportList::findFirstById( const string& id, bool exact ) {
+ airport_map_iterator itr;
+ if(exact) {
+ itr = airports_by_id.find(id);
+ } else {
+ itr = airports_by_id.lower_bound(id);
+ }
+ if(itr == airports_by_id.end()) {
+ return(NULL);
+ } else {
+ return(itr->second);
+ }
}
// search for the airport nearest the specified position
-FGAirport FGAirportList::search( double lon_deg, double lat_deg,
+FGAirport* FGAirportList::search( double lon_deg, double lat_deg,
bool with_metar ) {
- int closest = 0;
+ int closest = -1;
double min_dist = 360.0;
unsigned int i;
for ( i = 0; i < airports_array.size(); ++i ) {
// crude manhatten distance based on lat/lon difference
- double d = fabs(lon_deg - airports_array[i]->longitude)
- + fabs(lat_deg - airports_array[i]->latitude);
+ double d = fabs(lon_deg - airports_array[i]->getLongitude())
+ + fabs(lat_deg - airports_array[i]->getLatitude());
if ( d < min_dist ) {
- if ( !with_metar || (with_metar && airports_array[i]->has_metar) ) {
+ if ( !with_metar || (with_metar&&airports_array[i]->getMetar()) ) {
closest = i;
min_dist = d;
}
}
}
- return *airports_array[closest];
+ return ( closest > -1 ? airports_array[closest] : NULL );
}
-// Destructor
-FGAirportList::~FGAirportList( void ) {
-}
-
int
FGAirportList::size () const
{
return airports_array.size();
}
-const FGAirport *FGAirportList::getAirport( int index ) const
+const FGAirport *FGAirportList::getAirport( unsigned int index ) const
{
- return airports_array[index];
+ if(index < airports_array.size()) {
+ return(airports_array[index]);
+ } else {
+ return(NULL);
+ }
}
* Mark the specified airport record as not having metar
*/
void FGAirportList::no_metar( const string &id ) {
- airports_by_id[id].has_metar = false;
+ if(airports_by_id.find(id) != airports_by_id.end()) {
+ airports_by_id[id]->setMetar(false);
+ }
+}
+
+
+/**
+ * Mark the specified airport record as (yes) having metar
+ */
+void FGAirportList::has_metar( const string &id ) {
+ if(airports_by_id.find(id) != airports_by_id.end()) {
+ airports_by_id[id]->setMetar(true);
+ }
+}
+
+// find basic airport location info from airport database
+const FGAirport *fgFindAirportID( const string& id) {
+ const FGAirport* result = NULL;
+ if ( id.length() ) {
+ SG_LOG( SG_GENERAL, SG_BULK, "Searching for airport code = " << id );
+
+ result = globals->get_airports()->search( id );
+
+ if ( result == NULL ) {
+ SG_LOG( SG_GENERAL, SG_ALERT,
+ "Failed to find " << id << " in apt.dat.gz" );
+ return NULL;
+ }
+ } else {
+ return NULL;
+ }
+ SG_LOG( SG_GENERAL, SG_BULK,
+ "Position for " << id << " is ("
+ << result->getLongitude() << ", "
+ << result->getLatitude() << ")" );
+
+ return result;
+}
+
+
+// get airport elevation
+double fgGetAirportElev( const string& id ) {
+
+ // double lon, lat;
+
+ SG_LOG( SG_GENERAL, SG_BULK,
+ "Finding elevation for airport: " << id );
+
+ const FGAirport *a=fgFindAirportID( id);
+ if (a) {
+ return a->getElevation();
+ } else {
+ return -9999.0;
+ }
+}
+
+// get airport position
+Point3D fgGetAirportPos( const string& id ) {
+ // double lon, lat;
+
+ SG_LOG( SG_ATC, SG_BULK,
+ "Finding position for airport: " << id );
+
+ const FGAirport *a = fgFindAirportID( id);
+
+ if (a) {
+ return Point3D(a->getLongitude(), a->getLatitude(), a->getElevation());
+ } else {
+ return Point3D(0.0, 0.0, -9999.0);
+ }
}
projects / flightgear.git / blobdiff