113 lines
3.2 KiB
C++
113 lines
3.2 KiB
C++
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// navdb.cxx -- top level navaids management routines
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//
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// Written by Curtis Olson, started May 2004.
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//
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// Copyright (C) 2004 Curtis L. Olson - curt@flightgear.org
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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// $Id$
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#include <simgear/debug/logstream.hxx>
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#include <Main/globals.hxx>
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#include "navrecord.hxx"
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#include "navdb.hxx"
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// load and initialize the navigational databases
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bool fgNavDBInit( FGNavList *navlist, FGNavList *loclist, FGNavList *gslist,
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FGNavList *dmelist, FGNavList *mkrlist )
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{
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SG_LOG(SG_GENERAL, SG_INFO, "Loading Navaid Databases");
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// SG_LOG(SG_GENERAL, SG_INFO, " VOR/NDB");
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// SGPath p_nav( globals->get_fg_root() );
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// p_nav.append( "Navaids/default.nav" );
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// navlist->init( p_nav );
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// SG_LOG(SG_GENERAL, SG_INFO, " ILS and Marker Beacons");
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// beacons->init();
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// SGPath p_ils( globals->get_fg_root() );
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// p_ils.append( "Navaids/default.ils" );
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// ilslist->init( p_ils );
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SGPath path( globals->get_fg_root() );
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path.append( "Navaids/nav.dat" );
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sg_gzifstream in( path.str() );
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if ( !in.is_open() ) {
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SG_LOG( SG_GENERAL, SG_ALERT, "Cannot open file: " << path.str() );
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exit(-1);
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}
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// skip first two lines
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in >> skipeol;
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in >> skipeol;
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#ifdef __MWERKS__
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char c = 0;
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while ( in.get(c) && c != '\0' ) {
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in.putback(c);
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#else
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while ( ! in.eof() ) {
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#endif
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FGNavRecord *r = new FGNavRecord;
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in >> (*r);
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if ( r->get_type() > 95 ) {
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break;
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}
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/* cout << "id = " << n.get_ident() << endl;
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cout << " type = " << n.get_type() << endl;
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cout << " lon = " << n.get_lon() << endl;
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cout << " lat = " << n.get_lat() << endl;
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cout << " elev = " << n.get_elev() << endl;
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cout << " freq = " << n.get_freq() << endl;
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cout << " range = " << n.get_range() << endl << endl; */
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if ( r->get_type() == 2 || r->get_type() == 3 ) {
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// NDB=2, VOR=3
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navlist->add( r );
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} else if ( r->get_type() == 4 || r->get_type() == 5 ) {
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// ILS=4, LOC(only)=5
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loclist->add( r );
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} else if ( r->get_type() == 6 ) {
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// GS=6
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gslist->add( r );
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} else if ( r->get_type() == 7 || r->get_type() == 8
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|| r->get_type() == 9 )
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{
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// Marker Beacon = 7,8,9
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mkrlist->add( r );
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} else if ( r->get_type() == 12 ) {
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// DME=12
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dmelist->add( r );
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}
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in >> skipcomment;
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}
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// cout << "min freq = " << min << endl;
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// cout << "max freq = " << max << endl;
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return true;
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}
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