//
// simple.cxx -- a really simplistic class to manage airport ID,
-// lat, lon of the center of one of it's runways, and
-// elevation in feet.
+// lat, lon of the center of one of it's runways, and
+// elevation in feet.
//
// Written by Curtis Olson, started April 1998.
+// Updated by Durk Talsma, started December, 2004.
//
-// Copyright (C) 1998 Curtis L. Olson - curt@me.umn.edu
+// Copyright (C) 1998 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.
//
// $Id$
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <math.h>
+#include <algorithm>
+
+#include <simgear/compiler.h>
-#include <Include/compiler.h>
+#include <plib/sg.h>
+#include <plib/ul.h>
-#include <Debug/logstream.hxx>
-#include <Misc/fgpath.hxx>
-#include <Misc/fgstream.hxx>
-#include <Main/options.hxx>
+#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 <Main/globals.hxx>
+#include <Main/fg_props.hxx>
+#include <Airports/runways.hxx>
#include STL_STRING
-#include STL_FUNCTIONAL
-#include STL_ALGORITHM
#include "simple.hxx"
+#include "xmlloader.hxx"
+
+SG_USING_STD(sort);
+SG_USING_STD(random_shuffle);
+
+
+
+
+/***************************************************************************
+ * FGAirport
+ ***************************************************************************/
+FGAirport::FGAirport() : _longitude(0), _latitude(0), _elevation(0)
+{
+ dynamics = 0;
+}
+
+
+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;
+}
-fgAIRPORTS::fgAIRPORTS() {
+FGAirportDynamics * FGAirport::getDynamics()
+{
+ if (dynamics != 0) {
+ return dynamics;
+ } else {
+ //cerr << "Trying to load dynamics for " << _id << endl;
+ dynamics = new FGAirportDynamics(this);
+ XMLLoader::load(dynamics);
+
+ FGRunwayPreference rwyPrefs(this);
+ XMLLoader::load(&rwyPrefs);
+ dynamics->setRwyUse(rwyPrefs);
+ }
+ return dynamics;
}
-// load the data
-int fgAIRPORTS::load( const string& file ) {
- fgAIRPORT a;
- // build the path name to the airport file
- FGPath path( current_options.get_fg_root() );
- path.append( "Airports" );
- path.append( file );
- airports.erase( airports.begin(), airports.end() );
- fg_gzifstream in( path.str() );
- if ( !in.is_open() ) {
- FG_LOG( FG_GENERAL, FG_ALERT, "Cannot open file: " << path.str() );
- exit(-1);
+/******************************************************************************
+ * FGAirportList
+ *****************************************************************************/
+
+// 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 )
+{
+ FGAirport* a = new FGAirport(id, longitude, latitude, elevation, name, has_metar);
+
+ airports_by_id[a->getId()] = a;
+ // try and read in an auxilary file
- /*
- // We can use the STL copy algorithm because the input
- // file doesn't contain and comments or blank lines.
- copy( istream_iterator<fgAIRPORT,ptrdiff_t>(in.stream()),
- istream_iterator<fgAIRPORT,ptrdiff_t>(),
- inserter( airports, airports.begin() ) );
- */
-
- // read in each line of the file
-
-#ifdef __MWERKS__
-
- in >> skipcomment;
- char c = 0;
- while ( in.get(c) && c != '\0' ) {
- in.putback(c);
- in >> a;
- airports.insert(a);
- in >> skipcomment;
+ 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)
+{
+ 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);
+ }
+}
-#else
- in >> skipcomment;
- while ( ! in.eof() ) {
- in >> a;
- airports.insert(a);
- in >> skipcomment;
+// search for the airport nearest the specified position
+FGAirport* FGAirportList::search( double lon_deg, double lat_deg,
+ bool with_metar )
+{
+ 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]->getLongitude())
+ + fabs(lat_deg - airports_array[i]->getLatitude());
+ if ( d < min_dist ) {
+ if ( !with_metar || (with_metar&&airports_array[i]->getMetar()) ) {
+ closest = i;
+ min_dist = d;
+ }
+ }
}
-#endif
+ return ( closest > -1 ? airports_array[closest] : NULL );
+}
+
- return 1;
+int
+FGAirportList::size () const
+{
+ return airports_array.size();
}
-// search for the specified id
-bool
-fgAIRPORTS::search( const string& id, fgAIRPORT* a ) const
-{
- const_iterator it = airports.find( fgAIRPORT(id) );
- if ( it != airports.end() )
- {
- *a = *it;
- return true;
+const FGAirport *FGAirportList::getAirport( unsigned int index ) const
+{
+ if (index < airports_array.size()) {
+ return(airports_array[index]);
+ } else {
+ return(NULL);
}
- else
- {
- return false;
+}
+
+
+/**
+ * Mark the specified airport record as not having metar
+ */
+void FGAirportList::no_metar( const string &id )
+{
+ if(airports_by_id.find(id) != airports_by_id.end()) {
+ airports_by_id[id]->setMetar(false);
}
}
-fgAIRPORT
-fgAIRPORTS::search( const string& id ) const
+/**
+ * Mark the specified airport record as (yes) having metar
+ */
+void FGAirportList::has_metar( const string &id )
{
- fgAIRPORT a;
- this->search( id, &a );
- return a;
+ if(airports_by_id.find(id) != airports_by_id.end()) {
+ airports_by_id[id]->setMetar(true);
+ }
}
-// Destructor
-fgAIRPORTS::~fgAIRPORTS( void ) {
+// 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 )
+{
+ 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 )
+{
+ 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