//
// Written by Curtis Olson, started May 2004.
//
-// Copyright (C) 2004 Curtis L. Olson - curt@flightgear.org
+// Copyright (C) 2004 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 <simgear/compiler.h>
+
+#include <string>
#include <simgear/debug/logstream.hxx>
+#include <simgear/math/sg_geodesy.hxx>
+#include <simgear/misc/strutils.hxx>
+#include <simgear/misc/sg_path.hxx>
+#include <simgear/structure/exception.hxx>
+#include <simgear/misc/sgstream.hxx>
+#include <simgear/props/props_io.hxx>
+#include "navrecord.hxx"
+#include "navlist.hxx"
+#include "navdb.hxx"
#include <Main/globals.hxx>
+#include <Navaids/markerbeacon.hxx>
+#include <Airports/simple.hxx>
+#include <Airports/runways.hxx>
+#include <Airports/xmlloader.hxx>
+#include <Main/fg_props.hxx>
-#include "navrecord.hxx"
+using std::string;
-#include "navdb.hxx"
+typedef std::map<FGAirport*, SGPropertyNode_ptr> AirportPropertyMap;
+
+static AirportPropertyMap static_airportIlsData;
+static FGPositioned::Type
+mapRobinTypeToFGPType(int aTy)
+{
+ switch (aTy) {
+ // case 1:
+ case 2: return FGPositioned::NDB;
+ case 3: return FGPositioned::VOR;
+ case 4: return FGPositioned::ILS;
+ case 5: return FGPositioned::LOC;
+ case 6: return FGPositioned::GS;
+ case 12:
+ case 13: return FGPositioned::DME;
+ case 99: return FGPositioned::INVALID; // end-of-file code
+ default:
+ throw sg_range_exception("Got a nav.dat type we don't recognize", "FGNavRecord::createFromStream");
+ }
+}
+
+static FGNavRecord* createNavFromStream(std::istream& aStream)
+{
+ int rawType;
+ aStream >> rawType;
+ if (aStream.eof() || (rawType == 99)) {
+ return NULL; // happens with, eg, carrier_nav.dat
+ }
+
+ double lat, lon, elev_ft, multiuse;
+ int freq, range;
+ std::string name, ident;
+ aStream >> lat >> lon >> elev_ft >> freq >> range >> multiuse >> ident;
+ getline(aStream, name);
+
+ SGGeod pos(SGGeod::fromDegFt(lon, lat, elev_ft));
+ name = simgear::strutils::strip(name);
+
+ if ((rawType >= 7) && (rawType <= 9)) {
+ // marker beacons use a different run-time class now
+ FGMarkerBeaconRecord::create(rawType, name, pos);
+ return NULL; // not a nav-record, but that's okay
+ }
+
+ FGPositioned::Type type = mapRobinTypeToFGPType(rawType);
+ if (type == FGPositioned::INVALID) {
+ return NULL;
+ }
+
+ // silently multiply adf frequencies by 100 so that adf
+ // vs. nav/loc frequency lookups can use the same code.
+ if (type == FGPositioned::NDB) {
+ freq *= 100;
+ }
+
+ return new FGNavRecord(type, ident, name, pos,
+ freq, range, multiuse);
+}
// load and initialize the navigational databases
bool fgNavDBInit( FGNavList *navlist, FGNavList *loclist, FGNavList *gslist,
- FGNavList *dmelist, FGNavList *mkrlist )
+ FGNavList *dmelist,
+ FGNavList *tacanlist, FGNavList *carrierlist,
+ FGTACANList *channellist)
{
SG_LOG(SG_GENERAL, SG_INFO, "Loading Navaid Databases");
- // SG_LOG(SG_GENERAL, SG_INFO, " VOR/NDB");
- // SGPath p_nav( globals->get_fg_root() );
- // p_nav.append( "Navaids/default.nav" );
- // navlist->init( p_nav );
-
- // SG_LOG(SG_GENERAL, SG_INFO, " ILS and Marker Beacons");
- // beacons->init();
- // SGPath p_ils( globals->get_fg_root() );
- // p_ils.append( "Navaids/default.ils" );
- // ilslist->init( p_ils );
-
SGPath path( globals->get_fg_root() );
path.append( "Navaids/nav.dat" );
in >> skipeol;
in >> skipeol;
+ while (!in.eof()) {
+ FGNavRecord *r = createNavFromStream(in);
+ if (!r) {
+ continue;
+ }
+
+ switch (r->type()) {
+ case FGPositioned::NDB:
+ case FGPositioned::VOR:
+ navlist->add(r);
+ break;
+
+ case FGPositioned::ILS:
+ case FGPositioned::LOC:
+ loclist->add(r);
+ break;
+
+ case FGPositioned::GS:
+ gslist->add(r);
+ break;
+
+ case FGPositioned::DME:
+ {
+ dmelist->add(r);
+ string::size_type loc1= r->name().find( "TACAN", 0 );
+ string::size_type loc2 = r->name().find( "VORTAC", 0 );
+
+ if( loc1 != string::npos || loc2 != string::npos) {
+ tacanlist->add(r);
+ }
-#ifdef __MWERKS__
- char c = 0;
- while ( in.get(c) && c != '\0' ) {
- in.putback(c);
-#else
- while ( ! in.eof() ) {
-#endif
+ break;
+ }
+
+ default:
+ throw sg_range_exception("got unsupported NavRecord type", "fgNavDBInit");
+ }
- FGNavRecord *r = new FGNavRecord;
- in >> (*r);
- if ( r->get_type() > 95 ) {
- break;
- }
+ in >> skipcomment;
+ } // of stream data loop
- /* cout << "id = " << n.get_ident() << endl;
- cout << " type = " << n.get_type() << endl;
- cout << " lon = " << n.get_lon() << endl;
- cout << " lat = " << n.get_lat() << endl;
- cout << " elev = " << n.get_elev() << endl;
- cout << " freq = " << n.get_freq() << endl;
- cout << " range = " << n.get_range() << endl << endl; */
-
- if ( r->get_type() == 2 || r->get_type() == 3 ) {
- // NDB=2, VOR=3
- navlist->add( r );
- } else if ( r->get_type() == 4 || r->get_type() == 5 ) {
- // ILS=4, LOC(only)=5
- loclist->add( r );
- } else if ( r->get_type() == 6 ) {
- // GS=6
- gslist->add( r );
- } else if ( r->get_type() == 7 || r->get_type() == 8
- || r->get_type() == 9 )
- {
- // Marker Beacon = 7,8,9
- mkrlist->add( r );
- } else if ( r->get_type() == 12 ) {
- // DME=12
- dmelist->add( r );
- }
-
- in >> skipcomment;
+// load the carrier navaids file
+
+ string file, name;
+ path = globals->get_fg_root() ;
+ path.append( "Navaids/carrier_nav.dat" );
+
+ file = path.str();
+ SG_LOG( SG_GENERAL, SG_INFO, "opening file: " << path.str() );
+
+ sg_gzifstream incarrier( path.str() );
+
+ if ( !incarrier.is_open() ) {
+ SG_LOG( SG_GENERAL, SG_ALERT, "Cannot open file: " << path.str() );
+ exit(-1);
+ }
+
+ // skip first two lines
+ //incarrier >> skipeol;
+ //incarrier >> skipeol;
+
+ while ( ! incarrier.eof() ) {
+ FGNavRecord *r = createNavFromStream(incarrier);
+ if (!r) {
+ continue;
+ }
+
+ carrierlist->add (r);
+ } // end while
+
+// end loading the carrier navaids file
+
+// load the channel/freqency file
+ string channel, freq;
+ path="";
+ path = globals->get_fg_root();
+ path.append( "Navaids/TACAN_freq.dat" );
+
+ SG_LOG( SG_GENERAL, SG_INFO, "opening file: " << path.str() );
+
+ sg_gzifstream inchannel( path.str() );
+
+ if ( !inchannel.is_open() ) {
+ SG_LOG( SG_GENERAL, SG_ALERT, "Cannot open file: " << path.str() );
+ exit(-1);
}
+
+ // skip first line
+ inchannel >> skipeol;
+ while ( ! inchannel.eof() ) {
+ FGTACANRecord *r = new FGTACANRecord;
+ inchannel >> (*r);
+ channellist->add ( r );
+ //cout << "channel = " << r->get_channel() ;
+ //cout << " freq = " << r->get_freq() << endl;
+
+ } // end while
+
+
+ // end ReadChanFile
+
- // cout << "min freq = " << min << endl;
- // cout << "max freq = " << max << endl;
+ // flush all the parsed ils.xml data, we don't need it anymore,
+ // since it's been meregd into the FGNavRecords
+ static_airportIlsData.clear();
return true;
}
+
+SGPropertyNode* ilsDataForRunwayAndNavaid(FGRunway* aRunway, const std::string& aNavIdent)
+{
+ if (!fgGetBool("/sim/paths/use-custom-scenery-data")) {
+ return NULL;
+ }
+
+ if (!aRunway) {
+ return NULL;
+ }
+
+ FGAirport* apt = aRunway->airport();
+// find (or load) the airprot ILS data
+ AirportPropertyMap::iterator it = static_airportIlsData.find(apt);
+ if (it == static_airportIlsData.end()) {
+ SGPath path;
+ if (!XMLLoader::findAirportData(apt->ident(), "ils", path)) {
+ // no ils.xml file for this airpot, insert a NULL entry so we don't
+ // check again
+ static_airportIlsData.insert(it, std::make_pair(apt, SGPropertyNode_ptr()));
+ return NULL;
+ }
+
+ SGPropertyNode_ptr rootNode = new SGPropertyNode;
+ readProperties(path.str(), rootNode);
+ it = static_airportIlsData.insert(it, std::make_pair(apt, rootNode));
+ } // of ils.xml file not loaded
+
+ if (!it->second) {
+ return NULL;
+ }
+
+// find the entry matching the runway
+ SGPropertyNode* runwayNode, *ilsNode;
+ for (int i=0; (runwayNode = it->second->getChild("runway", i)) != NULL; ++i) {
+ for (int j=0; (ilsNode = runwayNode->getChild("ils", j)) != NULL; ++j) {
+ // must match on both nav-ident and runway ident, to support the following:
+ // - runways with multiple distinct ILS installations (KEWD, for example)
+ // - runways where both ends share the same nav ident (LFAT, for example)
+ if ((ilsNode->getStringValue("nav-id") == aNavIdent) &&
+ (ilsNode->getStringValue("rwy") == aRunway->ident()))
+ {
+ return ilsNode;
+ }
+ } // of ILS iteration
+ } // of runway iteration
+
+ return NULL;
+}
+
+FGRunway* getRunwayFromName(const std::string& aName)
+{
+ vector<string> parts = simgear::strutils::split(aName);
+ if (parts.size() < 2) {
+ SG_LOG(SG_GENERAL, SG_WARN, "getRunwayFromName: malformed name:" << aName);
+ return NULL;
+ }
+
+ const FGAirport* apt = fgFindAirportID(parts[0]);
+ if (!apt) {
+ SG_LOG(SG_GENERAL, SG_WARN, "navaid " << aName << " associated with bogus airport ID:" << parts[0]);
+ return NULL;
+ }
+
+ if (!apt->hasRunwayWithIdent(parts[1])) {
+ SG_LOG(SG_GENERAL, SG_WARN, "navaid " << aName << " associated with bogus runway ID:" << parts[1]);
+ return NULL;
+ }
+
+ return apt->getRunwayByIdent(parts[1]);
+}