//
// 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
//
// $Id$
-
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
-// #include <sys/types.h> // for gdbm open flags
-// #include <sys/stat.h> // for gdbm open flags
-
-// #ifdef HAVE_GDBM
-// # include <gdbm.h>
-// #else
-// # include <simgear/gdbm/gdbm.h>
-// #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/fgstream.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_NAMESPACE(std);
-
-FGAirports::FGAirports( const string& file ) {
- // open the specified database readonly
- storage = new c4_Storage( file.c_str(), false );
+SG_USING_STD(sort);
+SG_USING_STD(random_shuffle);
- if ( !storage->Strategy().IsValid() ) {
- FG_LOG( FG_GENERAL, FG_ALERT, "Cannot open file: " << file );
- exit(-1);
- }
- vAirport = new c4_View;
- *vAirport =
- storage->GetAs("airport[ID:S,Longitude:F,Latitude:F,Elevation:F]");
-}
-// search for the specified id
-bool
-FGAirports::search( const string& id, FGAirport* a ) const
-{
- c4_StringProp pID ("ID");
- c4_FloatProp pLon ("Longitude");
- c4_FloatProp pLat ("Latitude");
- c4_FloatProp pElev ("Elevation");
- int idx = vAirport->Find(pID[id.c_str()]);
- cout << "idx = " << idx << endl;
- if ( idx == -1 ) {
- return false;
- }
-
- c4_RowRef r = vAirport->GetAt(idx);
-
- a->longitude = (double) pLon(r);
- a->latitude = (double) pLat(r);
- a->elevation = (double) pElev(r);
-
- return true;
+/***************************************************************************
+ * FGAirport
+ ***************************************************************************/
+FGAirport::FGAirport() : _longitude(0), _latitude(0), _elevation(0)
+{
+ dynamics = 0;
}
-FGAirport
-FGAirports::search( const string& id ) const
+FGAirport::FGAirport(const string &id, double lon, double lat, double elev, const string &name, bool has_metar)
{
- FGAirport a;
- search( id, &a );
- return a;
+ _id = id;
+ _longitude = lon;
+ _latitude = lat;
+ _elevation = elev;
+ _name = name;
+ _has_metar = has_metar;
+ dynamics = 0;
}
-
-// Destructor
-FGAirports::~FGAirports( void ) {
- delete storage;
+FGAirport::~FGAirport()
+{
+ delete dynamics;
}
-// Constructor
-FGAirportsUtil::FGAirportsUtil() {
+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;
}
-// load the data
-int FGAirportsUtil::load( const string& file ) {
- FGAirport a;
-
- 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);
- }
- // skip first line of file
- char tmp[256];
- in.getline( tmp, 256 );
- // read in each line of the file
+/******************************************************************************
+ * FGAirportList
+ *****************************************************************************/
-#ifdef __MWERKS__
+// 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);
+}
- in >> ::skipws;
- char c = 0;
- while ( in.get(c) && c != '\0' ) {
- if ( c == 'A' ) {
- in >> a;
- in >> skipeol;
- airports.insert(a);
- } else if ( c == 'R' ) {
- in >> skipeol;
- } else {
- in >> skipeol;
- }
- in >> ::skipws;
- }
-#else
-
- in >> ::skipws;
- while ( ! in.eof() ) {
- char c = 0;
- in.get(c);
- if ( c == 'A' ) {
- in >> a;
- cout << "in <- " << a.id << endl;
- in >> skipeol;
- airports.insert(a);
- } else if ( c == 'R' ) {
- in >> skipeol;
- } else {
- in >> skipeol;
- }
- in >> ::skipws;
+FGAirportList::~FGAirportList( void ) {
+ for(unsigned int i = 0; i < airports_array.size(); ++i) {
+ delete airports_array[i];
}
+}
-#endif
- return 1;
+// 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 );
}
-// save the data in gdbm format
-bool FGAirportsUtil::dump_mk4( const string& file ) {
+// 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);
+}
- // open database for writing
- c4_Storage storage( file.c_str(), true );
- // need to do something about error handling here!
+// 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);
+ }
+}
- // define the properties
- c4_StringProp pID ("ID");
- c4_FloatProp pLon ("Longitude");
- c4_FloatProp pLat ("Latitude");
- c4_FloatProp pElev ("Elevation");
- // Start with an empty view of the proper structure.
- c4_View vAirport =
- storage.GetAs("airport[ID:S,Longitude:F,Latitude:F,Elevation:F]");
+// 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;
+ }
+ }
+ }
- c4_Row row;
+ return ( closest > -1 ? airports_array[closest] : NULL );
+}
- const_iterator current = airports.begin();
- const_iterator end = airports.end();
- while ( current != end ) {
- // add each airport record
- cout << "out -> " << current->id << endl;
- pID (row) = current->id.c_str();
- pLon (row) = current->longitude;
- pLat (row) = current->latitude;
- pElev (row) = current->elevation;
- vAirport.Add(row);
- ++current;
+int
+FGAirportList::size () const
+{
+ return airports_array.size();
+}
+
+const FGAirport *FGAirportList::getAirport( unsigned int index ) const
+{
+ if(index < airports_array.size()) {
+ return(airports_array[index]);
+ } else {
+ return(NULL);
}
+}
- // commit our changes
- storage.Commit();
- return true;
+/**
+ * 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);
+ }
}
-// 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;
+/**
+ * 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() << ")" );
-FGAirport
-FGAirportsUtil::search( const string& id ) const
-{
- FGAirport a;
- this->search( id, &a );
- return a;
+ return result;
}
-// Destructor
-FGAirportsUtil::~FGAirportsUtil( void ) {
+// 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