//
// 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 <sys/types.h> // for gdbm open flags
-#include <sys/stat.h> // for gdbm open flags
-#include <gdbm.h>
+#include <math.h>
+#include <algorithm>
#include <simgear/compiler.h>
-#include <simgear/debug/logstream.hxx>
-#include <simgear/misc/fgstream.hxx>
+#include <plib/sg.h>
+#include <plib/ul.h>
-#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"
+SG_USING_STD(sort);
+SG_USING_STD(random_shuffle);
-FGAirports::FGAirports( const string& file ) {
- dbf = gdbm_open( (char *)file.c_str(), 0, GDBM_READER, 0, NULL );
- if ( dbf == NULL ) {
- cout << "Error opening " << file << endl;
- exit(-1);
- } else {
- cout << "successfully opened " << file << endl;
- }
-}
-// search for the specified id
-bool
-FGAirports::search( const string& id, FGAirport* a ) const
-{
- FGAirport *tmp;
- datum content;
- datum key;
- key.dptr = (char *)id.c_str();
- key.dsize = id.length();
+/***************************************************************************
+ * FGAirport
+ ***************************************************************************/
+FGAirport::FGAirport() : _longitude(0), _latitude(0), _elevation(0)
+{
+ dynamics = 0;
+}
- content = gdbm_fetch( dbf, key );
- cout << "gdbm_fetch() finished" << endl;
+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;
+}
- if ( content.dptr != NULL ) {
- tmp = (FGAirport *)content.dptr;
- // a->id = tmp->id;
- a->longitude = tmp->longitude;
- a->latitude = tmp->latitude;
- a->elevation = tmp->elevation;
+FGAirport::~FGAirport()
+{
+ delete dynamics;
+}
- free( content.dptr );
+FGAirportDynamics * FGAirport::getDynamics()
+{
+ if (dynamics != 0) {
+ return dynamics;
} else {
- return false;
+ 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( "/AI/Airports/" );
+ parkpath.append(_id);
+ parkpath.append("parking.xml");
+
+ SGPath rwyPrefPath( globals->get_fg_root() );
+ rwyPrefPath.append( "AI/Airports/" );
+ 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);
+ //cerr << "Initializing " << getId() << endl;
+ dynamics->init();
+ dynamics->getGroundNetwork()->setParent(this);
+ } 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 true;
+ return dynamics;
}
-FGAirport
-FGAirports::search( const string& id ) const
-{
- FGAirport a, *tmp;
- datum content;
- datum key;
- key.dptr = (char *)id.c_str();
- key.dsize = id.length();
- content = gdbm_fetch( dbf, key );
- if ( content.dptr != NULL ) {
- tmp = (FGAirport *)content.dptr;
- a = *tmp;
- }
+/******************************************************************************
+ * FGAirportList
+ *****************************************************************************/
- return a;
+// 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);
}
-// Destructor
-FGAirports::~FGAirports( void ) {
- gdbm_close( dbf );
+FGAirportList::~FGAirportList( void )
+{
+ for (unsigned int i = 0; i < airports_array.size(); ++i) {
+ delete airports_array[i];
+ }
}
-// Constructor
-FGAirportsUtil::FGAirportsUtil() {
+// 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 );
}
-// load the data
-int FGAirportsUtil::load( const string& file ) {
- FGAirport a;
+// 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);
+}
- airports.erase( airports.begin(), airports.end() );
- fg_gzifstream in( file );
- if ( !in.is_open() ) {
- FG_LOG( FG_GENERAL, FG_ALERT, "Cannot open file: " << file );
- exit(-1);
+// 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);
}
-
- /*
- // 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;
+ 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 1;
+ return ( closest > -1 ? airports_array[closest] : NULL );
}
-// save the data in gdbm format
-bool FGAirportsUtil::dump_gdbm( const string& file ) {
+int
+FGAirportList::size () const
+{
+ return airports_array.size();
+}
- GDBM_FILE dbf;
- dbf = gdbm_open( (char *)file.c_str(), 0, GDBM_NEWDB | GDBM_FAST,
- S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH,
- NULL );
- if ( dbf == NULL ) {
- cout << "Error opening " << file << endl;
- exit(-1);
+
+const FGAirport *FGAirportList::getAirport( unsigned int index ) const
+{
+ if (index < airports_array.size()) {
+ return(airports_array[index]);
} else {
- cout << "successfully opened " << file << endl;
+ return(NULL);
}
+}
- iterator current = airports.begin();
- const_iterator end = airports.end();
- while ( current != end ) {
- datum key;
- key.dptr = (char *)current->id.c_str();
- key.dsize = current->id.length();
- datum content;
- FGAirport tmp = *current;
- content.dptr = (char *)(& tmp);
- content.dsize = sizeof( *current );
+/**
+ * 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);
+ }
+}
- gdbm_store( dbf, key, content, GDBM_REPLACE );
- ++current;
+/**
+ * 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);
}
+}
- gdbm_close( dbf );
- return 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 );
-// search for the specified id
-bool
-FGAirportsUtil::search( const string& id, FGAirport* a ) const
-{
- const_iterator it = airports.find( FGAirport(id) );
- if ( it != airports.end() )
- {
- *a = *it;
- return true;
- }
- else
- {
- return false;
+ 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;
}
-FGAirport
-FGAirportsUtil::search( const string& id ) const
+// get airport elevation
+double fgGetAirportElev( const string& id )
{
- FGAirport a;
- this->search( id, &a );
- return a;
+ 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;
+ }
}
-// Destructor
-FGAirportsUtil::~FGAirportsUtil( void ) {
-}
+// 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