1 // fg_init.cxx -- Flight Gear top level initialization routines
3 // Written by Curtis Olson, started August 1997.
5 // Copyright (C) 1997 Curtis L. Olson - http://www.flightgear.org/~curt
7 // This program is free software; you can redistribute it and/or
8 // modify it under the terms of the GNU General Public License as
9 // published by the Free Software Foundation; either version 2 of the
10 // License, or (at your option) any later version.
12 // This program is distributed in the hope that it will be useful, but
13 // WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 // General Public License for more details.
17 // You should have received a copy of the GNU General Public License
18 // along with this program; if not, write to the Free Software
19 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
30 #include <string.h> // strcmp()
32 #if defined( unix ) || defined( __CYGWIN__ )
33 # include <unistd.h> // for gethostname()
36 # include <direct.h> // for getcwd()
37 # define getcwd _getcwd
38 # include <io.h> // isatty()
39 # define isatty _isatty
40 # include "winsock2.h" // for gethostname()
43 // work around a stdc++ lib bug in some versions of linux, but doesn't
44 // seem to hurt to have this here for all versions of Linux.
46 # define _G_NO_EXTERN_TEMPLATES
49 #include <simgear/compiler.h>
52 #include <boost/algorithm/string/compare.hpp>
53 #include <boost/algorithm/string/predicate.hpp>
55 #include <simgear/constants.h>
56 #include <simgear/debug/logstream.hxx>
57 #include <simgear/structure/exception.hxx>
58 #include <simgear/structure/event_mgr.hxx>
59 #include <simgear/misc/sg_path.hxx>
60 #include <simgear/misc/sg_dir.hxx>
61 #include <simgear/misc/sgstream.hxx>
62 #include <simgear/misc/strutils.hxx>
63 #include <simgear/props/props_io.hxx>
65 #include <simgear/misc/interpolator.hxx>
66 #include <simgear/scene/material/matlib.hxx>
67 #include <simgear/scene/model/particles.hxx>
68 #include <simgear/sound/soundmgr_openal.hxx>
70 #include <Aircraft/controls.hxx>
71 #include <Aircraft/replay.hxx>
72 #include <Airports/apt_loader.hxx>
73 #include <Airports/runways.hxx>
74 #include <Airports/simple.hxx>
75 #include <Airports/dynamics.hxx>
77 #include <AIModel/AIManager.hxx>
79 #include <ATCDCL/ATCmgr.hxx>
80 #include <ATC/atc_mgr.hxx>
82 #include <Autopilot/route_mgr.hxx>
83 #include <Autopilot/autopilotgroup.hxx>
85 #include <Cockpit/panel.hxx>
86 #include <Cockpit/panel_io.hxx>
88 #include <GUI/new_gui.hxx>
89 #include <Input/input.hxx>
90 #include <Instrumentation/instrument_mgr.hxx>
91 #include <Model/acmodel.hxx>
92 #include <Model/modelmgr.hxx>
93 #include <AIModel/submodel.hxx>
94 #include <AIModel/AIManager.hxx>
95 #include <Navaids/navdb.hxx>
96 #include <Navaids/navlist.hxx>
97 #include <Navaids/fix.hxx>
98 #include <Navaids/fixlist.hxx>
99 #include <Navaids/airways.hxx>
100 #include <Scenery/scenery.hxx>
101 #include <Scenery/tilemgr.hxx>
102 #include <Scripting/NasalSys.hxx>
103 #include <Sound/voice.hxx>
104 #include <Systems/system_mgr.hxx>
105 #include <Time/light.hxx>
106 #include <Traffic/TrafficMgr.hxx>
107 #include <MultiPlayer/multiplaymgr.hxx>
108 #include <FDM/fdm_shell.hxx>
110 #include <Environment/environment_mgr.hxx>
112 #include "fg_init.hxx"
114 #include "fg_commands.hxx"
115 #include "fg_props.hxx"
116 #include "options.hxx"
117 #include "globals.hxx"
118 #include "logger.hxx"
119 #include "renderer.hxx"
120 #include "viewmgr.hxx"
125 using namespace boost::algorithm;
128 // Return the current base package version
129 string fgBasePackageVersion() {
130 SGPath base_path( globals->get_fg_root() );
131 base_path.append("version");
133 sg_gzifstream in( base_path.str() );
134 if ( !in.is_open() ) {
135 SGPath old_path( globals->get_fg_root() );
136 old_path.append( "Thanks" );
137 sg_gzifstream old( old_path.str() );
138 if ( !old.is_open() ) {
141 return "[old version]";
152 // Initialize the localization
153 SGPropertyNode *fgInitLocale(const char *language) {
154 SGPropertyNode *c_node = NULL, *d_node = NULL;
155 SGPropertyNode *intl = fgGetNode("/sim/intl");
157 SG_LOG(SG_GENERAL, SG_INFO, "Selecting language: " << language );
159 // localization not defined
164 // Select the proper language from the list
166 vector<SGPropertyNode_ptr> locale = intl->getChildren("locale");
167 for (unsigned int i = 0; i < locale.size(); i++) {
169 vector<SGPropertyNode_ptr> lang = locale[i]->getChildren("lang");
170 for (unsigned int j = 0; j < lang.size(); j++) {
172 if (!strcmp(lang[j]->getStringValue(), language)) {
181 d_node = intl->getChild("locale");
185 // Check for localized font
186 SGPropertyNode *font_n = c_node->getNode("font", true);
187 if ( !strcmp(font_n->getStringValue(), "") )
188 font_n->setStringValue(d_node->getStringValue("font", "typewriter.txf"));
192 // Load the default strings
194 SGPath d_path( globals->get_fg_root() );
196 const char *d_path_str = d_node->getStringValue("strings");
198 SG_LOG(SG_GENERAL, SG_ALERT, "No path in " << d_node->getPath() << "/strings.");
202 d_path.append(d_path_str);
203 SG_LOG(SG_GENERAL, SG_INFO, "Reading localized strings from " << d_path.str());
205 SGPropertyNode *strings = c_node->getNode("strings");
207 readProperties(d_path.str(), strings);
208 } catch (const sg_exception &) {
209 SG_LOG(SG_GENERAL, SG_ALERT, "Unable to read the localized strings");
214 // Load the language specific strings
216 if (c_node != d_node) {
217 SGPath c_path( globals->get_fg_root() );
219 const char *c_path_str = c_node->getStringValue("strings");
221 SG_LOG(SG_GENERAL, SG_ALERT, "No path in " << c_node->getPath() << "/strings");
225 c_path.append(c_path_str);
226 SG_LOG(SG_GENERAL, SG_INFO, "Reading localized strings from " << c_path.str());
229 readProperties(c_path.str(), strings);
230 } catch (const sg_exception &) {
231 SG_LOG(SG_GENERAL, SG_ALERT,
232 "Unable to read the localized strings from " << c_path.str());
242 // Initialize the localization routines
243 bool fgDetectLanguage() {
244 const char *language = ::getenv("LANG");
246 if (language == NULL) {
247 SG_LOG(SG_GENERAL, SG_INFO, "Unable to detect the language" );
251 SGPropertyNode *locale = fgInitLocale(language);
253 SG_LOG(SG_GENERAL, SG_ALERT,
254 "No internationalization settings specified in preferences.xml" );
259 globals->set_locale( locale );
265 bool fgFindAircraftInDir(const SGPath& dirPath, T* obj, bool (T::*pred)(const SGPath& p))
267 if (!dirPath.exists()) {
268 SG_LOG(SG_GENERAL, SG_WARN, "fgFindAircraftInDir: no such path:" << dirPath.str());
273 simgear::Dir dir(dirPath);
274 simgear::PathList setFiles(dir.children(simgear::Dir::TYPE_FILE, "-set.xml"));
275 simgear::PathList::iterator p;
276 for (p = setFiles.begin(); p != setFiles.end(); ++p) {
277 // check file name ends with -set.xml
279 // if we found a -set.xml at this level, don't recurse any deeper
282 bool done = (obj->*pred)(*p);
286 } // of -set.xml iteration
292 simgear::PathList subdirs(dir.children(simgear::Dir::TYPE_DIR | simgear::Dir::NO_DOT_OR_DOTDOT));
293 for (p = subdirs.begin(); p != subdirs.end(); ++p) {
294 if (p->file() == "CVS") {
298 if (fgFindAircraftInDir(*p, obj, pred)) {
301 } // of subdirs iteration
307 void fgFindAircraft(T* obj, bool (T::*pred)(const SGPath& p))
309 const string_list& paths(globals->get_aircraft_paths());
310 string_list::const_iterator it = paths.begin();
311 for (; it != paths.end(); ++it) {
312 bool done = fgFindAircraftInDir(SGPath(*it), obj, pred);
316 } // of aircraft paths iteration
318 // if we reach this point, search the default location (always last)
319 SGPath rootAircraft(globals->get_fg_root());
320 rootAircraft.append("Aircraft");
321 fgFindAircraftInDir(rootAircraft, obj, pred);
324 class FindAndCacheAircraft
327 FindAndCacheAircraft(SGPropertyNode* autoSave)
329 _cache = autoSave->getNode("sim/startup/path-cache", true);
334 std::string aircraft = fgGetString( "/sim/aircraft", "");
335 if (aircraft.empty()) {
336 SG_LOG(SG_GENERAL, SG_ALERT, "no aircraft specified");
340 _searchAircraft = aircraft + "-set.xml";
342 // prepare cache for re-scan
343 SGPropertyNode *n = _cache->getNode("fg-root", true);
344 n->setStringValue(globals->get_fg_root().c_str());
345 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
346 n = _cache->getNode("fg-aircraft", true);
347 n->setStringValue(getAircraftPaths().c_str());
348 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
349 _cache->removeChildren("aircraft");
351 fgFindAircraft(this, &FindAndCacheAircraft::checkAircraft);
354 if (_foundPath.str().empty()) {
355 SG_LOG(SG_GENERAL, SG_ALERT, "Cannot find specified aircraft: " << aircraft );
359 SG_LOG(SG_GENERAL, SG_INFO, "Loading aircraft -set file from:" << _foundPath.str());
360 fgSetString( "/sim/aircraft-dir", _foundPath.dir().c_str());
361 if (!_foundPath.exists()) {
362 SG_LOG(SG_GENERAL, SG_ALERT, "Unable to find -set file:" << _foundPath.str());
367 readProperties(_foundPath.str(), globals->get_props());
368 } catch ( const sg_exception &e ) {
369 SG_LOG(SG_INPUT, SG_ALERT, "Error reading aircraft: " << e.getFormattedMessage());
377 SGPath getAircraftPaths() {
378 string_list pathList = globals->get_aircraft_paths();
379 SGPath aircraftPaths;
380 string_list::const_iterator it = pathList.begin();
381 if (it != pathList.end()) {
382 aircraftPaths.set(*it);
385 for (; it != pathList.end(); ++it) {
386 aircraftPaths.add(*it);
388 return aircraftPaths;
393 if (globals->get_fg_root() != _cache->getStringValue("fg-root", "")) {
394 return false; // cache mismatch
397 if (getAircraftPaths().str() != _cache->getStringValue("fg-aircraft", "")) {
398 return false; // cache mismatch
401 vector<SGPropertyNode_ptr> cache = _cache->getChildren("aircraft");
402 for (unsigned int i = 0; i < cache.size(); i++) {
403 const char *name = cache[i]->getStringValue("file", "");
404 if (!boost::equals(_searchAircraft, name, is_iequal())) {
408 SGPath xml(cache[i]->getStringValue("path", ""));
416 } // of aircraft in cache iteration
421 bool checkAircraft(const SGPath& p)
426 if (!_cache->getChild("aircraft", i++, false))
430 SGPropertyNode *n, *entry = _cache->getChild("aircraft", --i, true);
432 std::string fileName(p.file());
433 n = entry->getNode("file", true);
434 n->setStringValue(fileName);
435 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
437 n = entry->getNode("path", true);
438 n->setStringValue(p.dir());
439 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
441 if ( boost::equals(fileName, _searchAircraft.c_str(), is_iequal()) ) {
449 std::string _searchAircraft;
451 SGPropertyNode* _cache;
454 // Read in configuration (file and command line)
455 bool fgInitConfig ( int argc, char **argv ) {
457 flightgear::Options::sharedInstance()->init(argc, argv);
459 // Read global preferences from $FG_ROOT/preferences.xml
460 SG_LOG(SG_INPUT, SG_INFO, "Reading global preferences");
461 fgLoadProps("preferences.xml", globals->get_props());
462 SG_LOG(SG_INPUT, SG_INFO, "Finished Reading global preferences");
464 // Detect the required language as early as possible
465 if ( !fgDetectLanguage() ) {
469 SGPropertyNode autosave;
471 char *envp = ::getenv( "APPDATA" );
473 SGPath config( envp );
474 config.append( "flightgear.org" );
476 if ( homedir != NULL ) {
477 SGPath config( homedir );
478 config.append( ".fgfs" );
480 const char *fg_home = getenv("FG_HOME");
484 SGPath home_export(config.str());
485 home_export.append("Export/dummy");
486 home_export.create_dir(0777);
488 // Set /sim/fg-home and don't allow malign code to override it until
489 // Nasal security is set up. Use FG_HOME if necessary.
490 SGPropertyNode *home = fgGetNode("/sim", true);
491 home->removeChild("fg-home", 0, false);
492 home = home->getChild("fg-home", 0, true);
493 home->setStringValue(config.c_str());
494 home->setAttribute(SGPropertyNode::WRITE, false);
496 config.append( "autosave.xml" );
497 if (config.exists()) {
498 SG_LOG(SG_INPUT, SG_INFO, "Reading user settings from " << config.str());
500 readProperties(config.str(), &autosave, SGPropertyNode::USERARCHIVE);
501 } catch (sg_exception& e) {
502 SG_LOG(SG_INPUT, SG_WARN, "failed to read user settings:" << e.getMessage()
503 << "(from " << e.getOrigin() << ")");
508 // Scan user config files and command line for a specified aircraft.
509 flightgear::Options::sharedInstance()->initAircraft();
511 FindAndCacheAircraft f(&autosave);
512 if (!f.loadAircraft()) {
516 copyProperties(&autosave, globals->get_props());
518 // parse options after loading aircraft to ensure any user
519 // overrides of defaults are honored.
520 flightgear::Options::sharedInstance()->processOptions();
525 // Set current tower position lon/lat given an airport id
526 static bool fgSetTowerPosFromAirportID( const string& id) {
527 const FGAirport *a = fgFindAirportID( id);
529 SGGeod tower = a->getTowerLocation();
530 fgSetDouble("/sim/tower/longitude-deg", tower.getLongitudeDeg());
531 fgSetDouble("/sim/tower/latitude-deg", tower.getLatitudeDeg());
532 fgSetDouble("/sim/tower/altitude-ft", tower.getElevationFt());
540 struct FGTowerLocationListener : SGPropertyChangeListener {
541 void valueChanged(SGPropertyNode* node) {
542 string id(node->getStringValue());
543 if (fgGetBool("/sim/tower/auto-position",true))
545 // enforce using closest airport when auto-positioning is enabled
546 const char* closest_airport = fgGetString("/sim/airport/closest-airport-id", "");
547 if (closest_airport && (id != closest_airport))
549 id = closest_airport;
550 node->setStringValue(id);
553 fgSetTowerPosFromAirportID(id);
557 struct FGClosestTowerLocationListener : SGPropertyChangeListener
559 void valueChanged(SGPropertyNode* )
561 // closest airport has changed
562 if (fgGetBool("/sim/tower/auto-position",true))
564 // update tower position
565 const char* id = fgGetString("/sim/airport/closest-airport-id", "");
567 fgSetString("/sim/tower/airport-id", id);
572 void fgInitTowerLocationListener() {
573 fgGetNode("/sim/tower/airport-id", true)
574 ->addChangeListener( new FGTowerLocationListener(), true );
575 FGClosestTowerLocationListener* ntcl = new FGClosestTowerLocationListener();
576 fgGetNode("/sim/airport/closest-airport-id", true)
577 ->addChangeListener(ntcl , true );
578 fgGetNode("/sim/tower/auto-position", true)
579 ->addChangeListener(ntcl, true );
582 static void fgApplyStartOffset(const SGGeod& aStartPos, double aHeading, double aTargetHeading = HUGE_VAL)
584 SGGeod startPos(aStartPos);
585 if (aTargetHeading == HUGE_VAL) {
586 aTargetHeading = aHeading;
589 if ( fabs( fgGetDouble("/sim/presets/offset-distance-nm") ) > SG_EPSILON ) {
590 double offsetDistance = fgGetDouble("/sim/presets/offset-distance-nm");
591 offsetDistance *= SG_NM_TO_METER;
592 double offsetAzimuth = aHeading;
593 if ( fabs(fgGetDouble("/sim/presets/offset-azimuth-deg")) > SG_EPSILON ) {
594 offsetAzimuth = fgGetDouble("/sim/presets/offset-azimuth-deg");
595 aHeading = aTargetHeading;
600 SGGeodesy::direct(startPos, offsetAzimuth + 180, offsetDistance, offset, az2);
605 fgSetDouble("/sim/presets/longitude-deg", startPos.getLongitudeDeg() );
606 fgSetDouble("/sim/presets/latitude-deg", startPos.getLatitudeDeg() );
607 fgSetDouble("/sim/presets/heading-deg", aHeading );
609 // other code depends on the actual values being set ...
610 fgSetDouble("/position/longitude-deg", startPos.getLongitudeDeg() );
611 fgSetDouble("/position/latitude-deg", startPos.getLatitudeDeg() );
612 fgSetDouble("/orientation/heading-deg", aHeading );
615 // Set current_options lon/lat given an airport id and heading (degrees)
616 bool fgSetPosFromAirportIDandHdg( const string& id, double tgt_hdg ) {
620 // set initial position from runway and heading
621 SG_LOG( SG_GENERAL, SG_INFO,
622 "Attempting to set starting position from airport code "
623 << id << " heading " << tgt_hdg );
625 const FGAirport* apt = fgFindAirportID(id);
626 if (!apt) return false;
627 FGRunway* r = apt->findBestRunwayForHeading(tgt_hdg);
628 fgSetString("/sim/atc/runway", r->ident().c_str());
630 SGGeod startPos = r->pointOnCenterline(fgGetDouble("/sim/airport/runways/start-offset-m", 5.0));
631 fgApplyStartOffset(startPos, r->headingDeg(), tgt_hdg);
635 // Set current_options lon/lat given an airport id and parkig position name
636 static bool fgSetPosFromAirportIDandParkpos( const string& id, const string& parkpos ) {
640 // can't see an easy way around this const_cast at the moment
641 FGAirport* apt = const_cast<FGAirport*>(fgFindAirportID(id));
643 SG_LOG( SG_GENERAL, SG_ALERT, "Failed to find airport " << id );
646 FGAirportDynamics* dcs = apt->getDynamics();
648 SG_LOG( SG_GENERAL, SG_ALERT,
649 "Airport " << id << "does not appear to have parking information available");
653 int park_index = dcs->getNrOfParkings() - 1;
655 double radius = fgGetDouble("/sim/dimensions/radius-m");
656 if ((parkpos == string("AVAILABLE")) && (radius > 0)) {
657 double lat, lon, heading;
662 acData = fgGetString("/sim/fg-home");
663 acData.append("aircraft-data");
664 string acfile = fgGetString("/sim/aircraft") + string(".xml");
665 acData.append(acfile);
667 readProperties(acData.str(), &root);
668 SGPropertyNode * node = root.getNode("sim");
669 fltType = node->getStringValue("aircraft-class", "NONE" );
670 acOperator = node->getStringValue("aircraft-operator", "NONE" );
671 } catch (const sg_exception &) {
672 SG_LOG(SG_GENERAL, SG_INFO,
673 "Could not load aircraft aircrat type and operator information from: " << acData.str() << ". Using defaults");
675 // cout << path.str() << endl;
677 if (fltType.empty() || fltType == "NONE") {
678 SG_LOG(SG_GENERAL, SG_INFO,
679 "Aircraft type information not found in: " << acData.str() << ". Using default value");
680 fltType = fgGetString("/sim/aircraft-class" );
682 if (acOperator.empty() || fltType == "NONE") {
683 SG_LOG(SG_GENERAL, SG_INFO,
684 "Aircraft operator information not found in: " << acData.str() << ". Using default value");
685 acOperator = fgGetString("/sim/aircraft-operator" );
688 cerr << "Running aircraft " << fltType << " of livery " << acOperator << endl;
689 string acType; // Currently not used by findAvailable parking, so safe to leave empty.
690 succes = dcs->getAvailableParking(&lat, &lon, &heading, &park_index, radius, fltType, acType, acOperator);
692 fgGetString("/sim/presets/parkpos");
693 fgSetString("/sim/presets/parkpos", dcs->getParking(park_index)->getName());
695 SG_LOG( SG_GENERAL, SG_ALERT,
696 "Failed to find a suitable parking at airport " << id );
700 //cerr << "We shouldn't get here when AVAILABLE" << endl;
701 while (park_index >= 0 && dcs->getParkingName(park_index) != parkpos) park_index--;
702 if (park_index < 0) {
703 SG_LOG( SG_GENERAL, SG_ALERT,
704 "Failed to find parking position " << parkpos <<
705 " at airport " << id );
709 FGParking* parking = dcs->getParking(park_index);
710 parking->setAvailable(false);
712 SGGeod::fromDeg(parking->getLongitude(), parking->getLatitude()),
713 parking->getHeading());
718 // Set current_options lon/lat given an airport id and runway number
719 static bool fgSetPosFromAirportIDandRwy( const string& id, const string& rwy, bool rwy_req ) {
723 // set initial position from airport and runway number
724 SG_LOG( SG_GENERAL, SG_INFO,
725 "Attempting to set starting position for "
726 << id << ":" << rwy );
728 const FGAirport* apt = fgFindAirportID(id);
730 SG_LOG( SG_GENERAL, SG_ALERT, "Failed to find airport:" << id);
734 if (!apt->hasRunwayWithIdent(rwy)) {
735 SG_LOG( SG_GENERAL, rwy_req ? SG_ALERT : SG_INFO,
736 "Failed to find runway " << rwy <<
737 " at airport " << id << ". Using default runway." );
741 FGRunway* r(apt->getRunwayByIdent(rwy));
742 fgSetString("/sim/atc/runway", r->ident().c_str());
743 SGGeod startPos = r->pointOnCenterline( fgGetDouble("/sim/airport/runways/start-offset-m", 5.0));
744 fgApplyStartOffset(startPos, r->headingDeg());
749 static void fgSetDistOrAltFromGlideSlope() {
750 // cout << "fgSetDistOrAltFromGlideSlope()" << endl;
751 string apt_id = fgGetString("/sim/presets/airport-id");
752 double gs = fgGetDouble("/sim/presets/glideslope-deg")
753 * SG_DEGREES_TO_RADIANS ;
754 double od = fgGetDouble("/sim/presets/offset-distance-nm");
755 double alt = fgGetDouble("/sim/presets/altitude-ft");
757 double apt_elev = 0.0;
758 if ( ! apt_id.empty() ) {
759 apt_elev = fgGetAirportElev( apt_id );
760 if ( apt_elev < -9990.0 ) {
767 if( fabs(gs) > 0.01 && fabs(od) > 0.1 && alt < -9990 ) {
768 // set altitude from glideslope and offset-distance
769 od *= SG_NM_TO_METER * SG_METER_TO_FEET;
770 alt = fabs(od*tan(gs)) + apt_elev;
771 fgSetDouble("/sim/presets/altitude-ft", alt);
772 fgSetBool("/sim/presets/onground", false);
773 SG_LOG( SG_GENERAL, SG_INFO, "Calculated altitude as: "
775 } else if( fabs(gs) > 0.01 && alt > 0 && fabs(od) < 0.1) {
776 // set offset-distance from glideslope and altitude
777 od = (alt - apt_elev) / tan(gs);
778 od *= -1*SG_FEET_TO_METER * SG_METER_TO_NM;
779 fgSetDouble("/sim/presets/offset-distance-nm", od);
780 fgSetBool("/sim/presets/onground", false);
781 SG_LOG( SG_GENERAL, SG_INFO, "Calculated offset distance as: "
783 } else if( fabs(gs) > 0.01 ) {
784 SG_LOG( SG_GENERAL, SG_ALERT,
785 "Glideslope given but not altitude or offset-distance." );
786 SG_LOG( SG_GENERAL, SG_ALERT, "Resetting glideslope to zero" );
787 fgSetDouble("/sim/presets/glideslope-deg", 0);
788 fgSetBool("/sim/presets/onground", true);
793 // Set current_options lon/lat given an airport id and heading (degrees)
794 static bool fgSetPosFromNAV( const string& id, const double& freq, FGPositioned::Type type ) {
796 const nav_list_type navlist
797 = globals->get_navlist()->findByIdentAndFreq( id.c_str(), freq, type );
799 if (navlist.size() == 0 ) {
800 SG_LOG( SG_GENERAL, SG_ALERT, "Failed to locate NAV = "
801 << id << ":" << freq );
805 if( navlist.size() > 1 ) {
807 buf << "Ambigous NAV-ID: '" << id << "'. Specify id and frequency. Available stations:" << endl;
808 for( nav_list_type::const_iterator it = navlist.begin(); it != navlist.end(); ++it ) {
809 // NDB stored in kHz, VOR stored in MHz * 100 :-P
810 double factor = (*it)->type() == FGPositioned::NDB ? 1.0 : 1/100.0;
811 string unit = (*it)->type() == FGPositioned::NDB ? "kHz" : "MHz";
812 buf << (*it)->ident() << " "
813 << setprecision(5) << (double)((*it)->get_freq() * factor) << " "
814 << (*it)->get_lat() << "/" << (*it)->get_lon()
818 SG_LOG( SG_GENERAL, SG_ALERT, buf.str() );
822 FGNavRecord *nav = navlist[0];
823 fgApplyStartOffset(nav->geod(), fgGetDouble("/sim/presets/heading-deg"));
827 // Set current_options lon/lat given an aircraft carrier id
828 static bool fgSetPosFromCarrier( const string& carrier, const string& posid ) {
830 // set initial position from runway and heading
834 if (FGAIManager::getStartPosition(carrier, posid, geodPos, heading, uvw)) {
835 double lon = geodPos.getLongitudeDeg();
836 double lat = geodPos.getLatitudeDeg();
837 double alt = geodPos.getElevationFt();
839 SG_LOG( SG_GENERAL, SG_INFO, "Attempting to set starting position for "
840 << carrier << " at lat = " << lat << ", lon = " << lon
841 << ", alt = " << alt << ", heading = " << heading);
843 fgSetDouble("/sim/presets/longitude-deg", lon);
844 fgSetDouble("/sim/presets/latitude-deg", lat);
845 fgSetDouble("/sim/presets/altitude-ft", alt);
846 fgSetDouble("/sim/presets/heading-deg", heading);
847 fgSetDouble("/position/longitude-deg", lon);
848 fgSetDouble("/position/latitude-deg", lat);
849 fgSetDouble("/position/altitude-ft", alt);
850 fgSetDouble("/orientation/heading-deg", heading);
852 fgSetString("/sim/presets/speed-set", "UVW");
853 fgSetDouble("/velocities/uBody-fps", uvw(0));
854 fgSetDouble("/velocities/vBody-fps", uvw(1));
855 fgSetDouble("/velocities/wBody-fps", uvw(2));
856 fgSetDouble("/sim/presets/uBody-fps", uvw(0));
857 fgSetDouble("/sim/presets/vBody-fps", uvw(1));
858 fgSetDouble("/sim/presets/wBody-fps", uvw(2));
860 fgSetBool("/sim/presets/onground", true);
864 SG_LOG( SG_GENERAL, SG_ALERT, "Failed to locate aircraft carrier = "
870 // Set current_options lon/lat given an airport id and heading (degrees)
871 static bool fgSetPosFromFix( const string& id )
873 FGPositioned::TypeFilter fixFilter(FGPositioned::FIX);
874 FGPositioned* fix = FGPositioned::findNextWithPartialId(NULL, id, &fixFilter);
876 SG_LOG( SG_GENERAL, SG_ALERT, "Failed to locate fix = " << id );
880 fgApplyStartOffset(fix->geod(), fgGetDouble("/sim/presets/heading-deg"));
885 * Initialize vor/ndb/ils/fix list management and query systems (as
886 * well as simple airport db list)
891 SG_LOG(SG_GENERAL, SG_INFO, "Loading Airport Database ...");
893 SGPath aptdb( globals->get_fg_root() );
894 aptdb.append( "Airports/apt.dat" );
896 SGPath p_metar( globals->get_fg_root() );
897 p_metar.append( "Airports/metar.dat" );
899 fgAirportDBLoad( aptdb.str(), p_metar.str() );
900 FGAirport::installPropertyListener();
901 FGPositioned::installCommands();
903 FGNavList *navlist = new FGNavList;
904 FGNavList *loclist = new FGNavList;
905 FGNavList *gslist = new FGNavList;
906 FGNavList *dmelist = new FGNavList;
907 FGNavList *tacanlist = new FGNavList;
908 FGNavList *carrierlist = new FGNavList;
909 FGTACANList *channellist = new FGTACANList;
911 globals->set_navlist( navlist );
912 globals->set_loclist( loclist );
913 globals->set_gslist( gslist );
914 globals->set_dmelist( dmelist );
915 globals->set_tacanlist( tacanlist );
916 globals->set_carrierlist( carrierlist );
917 globals->set_channellist( channellist );
919 if ( !fgNavDBInit(navlist, loclist, gslist, dmelist, tacanlist, carrierlist, channellist) ) {
920 SG_LOG( SG_GENERAL, SG_ALERT,
921 "Problems loading one or more navigational database" );
924 SG_LOG(SG_GENERAL, SG_INFO, " Fixes");
925 SGPath p_fix( globals->get_fg_root() );
926 p_fix.append( "Navaids/fix.dat" );
928 fixlist.init( p_fix ); // adds fixes to the DB in positioned.cxx
930 SG_LOG(SG_GENERAL, SG_INFO, " Airways");
931 flightgear::Airway::load();
937 // Set the initial position based on presets (or defaults)
938 bool fgInitPosition() {
939 // cout << "fgInitPosition()" << endl;
940 double gs = fgGetDouble("/sim/presets/glideslope-deg")
941 * SG_DEGREES_TO_RADIANS ;
942 double od = fgGetDouble("/sim/presets/offset-distance-nm");
943 double alt = fgGetDouble("/sim/presets/altitude-ft");
945 bool set_pos = false;
947 // If glideslope is specified, then calculate offset-distance or
948 // altitude relative to glide slope if either of those was not
950 if ( fabs( gs ) > 0.01 ) {
951 fgSetDistOrAltFromGlideSlope();
955 // If we have an explicit, in-range lon/lat, don't change it, just use it.
956 // If not, check for an airport-id and use that.
957 // If not, default to the middle of the KSFO field.
958 // The default values for lon/lat are deliberately out of range
959 // so that the airport-id can take effect; valid lon/lat will
960 // override airport-id, however.
961 double lon_deg = fgGetDouble("/sim/presets/longitude-deg");
962 double lat_deg = fgGetDouble("/sim/presets/latitude-deg");
963 if ( lon_deg >= -180.0 && lon_deg <= 180.0
964 && lat_deg >= -90.0 && lat_deg <= 90.0 )
969 string apt = fgGetString("/sim/presets/airport-id");
970 string rwy_no = fgGetString("/sim/presets/runway");
971 bool rwy_req = fgGetBool("/sim/presets/runway-requested");
972 string vor = fgGetString("/sim/presets/vor-id");
973 double vor_freq = fgGetDouble("/sim/presets/vor-freq");
974 string ndb = fgGetString("/sim/presets/ndb-id");
975 double ndb_freq = fgGetDouble("/sim/presets/ndb-freq");
976 string carrier = fgGetString("/sim/presets/carrier");
977 string parkpos = fgGetString("/sim/presets/parkpos");
978 string fix = fgGetString("/sim/presets/fix");
979 SGPropertyNode *hdg_preset = fgGetNode("/sim/presets/heading-deg", true);
980 double hdg = hdg_preset->getDoubleValue();
982 // save some start parameters, so that we can later say what the
983 // user really requested. TODO generalize that and move it to options.cxx
984 static bool start_options_saved = false;
985 if (!start_options_saved) {
986 start_options_saved = true;
987 SGPropertyNode *opt = fgGetNode("/sim/startup/options", true);
989 opt->setDoubleValue("latitude-deg", lat_deg);
990 opt->setDoubleValue("longitude-deg", lon_deg);
991 opt->setDoubleValue("heading-deg", hdg);
992 opt->setStringValue("airport", apt.c_str());
993 opt->setStringValue("runway", rwy_no.c_str());
997 hdg = fgGetDouble("/environment/config/boundary/entry/wind-from-heading-deg", 270);
999 if ( !set_pos && !apt.empty() && !parkpos.empty() ) {
1000 // An airport + parking position is requested
1001 if ( fgSetPosFromAirportIDandParkpos( apt, parkpos ) ) {
1002 // set tower position
1003 fgSetString("/sim/airport/closest-airport-id", apt.c_str());
1004 fgSetString("/sim/tower/airport-id", apt.c_str());
1009 if ( !set_pos && !apt.empty() && !rwy_no.empty() ) {
1010 // An airport + runway is requested
1011 if ( fgSetPosFromAirportIDandRwy( apt, rwy_no, rwy_req ) ) {
1012 // set tower position (a little off the heading for single
1014 fgSetString("/sim/airport/closest-airport-id", apt.c_str());
1015 fgSetString("/sim/tower/airport-id", apt.c_str());
1020 if ( !set_pos && !apt.empty() ) {
1021 // An airport is requested (find runway closest to hdg)
1022 if ( fgSetPosFromAirportIDandHdg( apt, hdg ) ) {
1023 // set tower position (a little off the heading for single
1025 fgSetString("/sim/airport/closest-airport-id", apt.c_str());
1026 fgSetString("/sim/tower/airport-id", apt.c_str());
1031 if (hdg_preset->getDoubleValue() > 9990.0)
1032 hdg_preset->setDoubleValue(hdg);
1034 if ( !set_pos && !vor.empty() ) {
1035 // a VOR is requested
1036 if ( fgSetPosFromNAV( vor, vor_freq, FGPositioned::VOR ) ) {
1041 if ( !set_pos && !ndb.empty() ) {
1042 // an NDB is requested
1043 if ( fgSetPosFromNAV( ndb, ndb_freq, FGPositioned::NDB ) ) {
1048 if ( !set_pos && !carrier.empty() ) {
1049 // an aircraft carrier is requested
1050 if ( fgSetPosFromCarrier( carrier, parkpos ) ) {
1055 if ( !set_pos && !fix.empty() ) {
1056 // a Fix is requested
1057 if ( fgSetPosFromFix( fix ) ) {
1063 // No lon/lat specified, no airport specified, default to
1064 // middle of KSFO field.
1065 fgSetDouble("/sim/presets/longitude-deg", -122.374843);
1066 fgSetDouble("/sim/presets/latitude-deg", 37.619002);
1069 fgSetDouble( "/position/longitude-deg",
1070 fgGetDouble("/sim/presets/longitude-deg") );
1071 fgSetDouble( "/position/latitude-deg",
1072 fgGetDouble("/sim/presets/latitude-deg") );
1073 fgSetDouble( "/orientation/heading-deg", hdg_preset->getDoubleValue());
1075 // determine if this should be an on-ground or in-air start
1076 if ((fabs(gs) > 0.01 || fabs(od) > 0.1 || alt > 0.1) && carrier.empty()) {
1077 fgSetBool("/sim/presets/onground", false);
1079 fgSetBool("/sim/presets/onground", true);
1086 // General house keeping initializations
1087 bool fgInitGeneral() {
1090 SG_LOG( SG_GENERAL, SG_INFO, "General Initialization" );
1091 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
1093 root = globals->get_fg_root();
1094 if ( ! root.length() ) {
1095 // No root path set? Then bail ...
1096 SG_LOG( SG_GENERAL, SG_ALERT,
1097 "Cannot continue without a path to the base package "
1098 << "being defined." );
1101 SG_LOG( SG_GENERAL, SG_INFO, "FG_ROOT = " << '"' << root << '"' << endl );
1103 globals->set_browser(fgGetString("/sim/startup/browser-app", "firefox %u"));
1105 char buf[512], *cwd = getcwd(buf, 511);
1107 SGPropertyNode *curr = fgGetNode("/sim", true);
1108 curr->removeChild("fg-current", 0, false);
1109 curr = curr->getChild("fg-current", 0, true);
1110 curr->setStringValue(cwd ? cwd : "");
1111 curr->setAttribute(SGPropertyNode::WRITE, false);
1113 fgSetBool("/sim/startup/stdout-to-terminal", isatty(1) != 0 );
1114 fgSetBool("/sim/startup/stderr-to-terminal", isatty(2) != 0 );
1118 // This is the top level init routine which calls all the other
1119 // initialization routines. If you are adding a subsystem to flight
1120 // gear, its initialization call should located in this routine.
1121 // Returns non-zero if a problem encountered.
1122 bool fgInitSubsystems() {
1123 // static const SGPropertyNode *longitude
1124 // = fgGetNode("/sim/presets/longitude-deg");
1125 // static const SGPropertyNode *latitude
1126 // = fgGetNode("/sim/presets/latitude-deg");
1127 // static const SGPropertyNode *altitude
1128 // = fgGetNode("/sim/presets/altitude-ft");
1130 SG_LOG( SG_GENERAL, SG_INFO, "Initialize Subsystems");
1131 SG_LOG( SG_GENERAL, SG_INFO, "========== ==========");
1133 ////////////////////////////////////////////////////////////////////
1134 // Initialize the event manager subsystem.
1135 ////////////////////////////////////////////////////////////////////
1137 globals->get_event_mgr()->init();
1138 globals->get_event_mgr()->setRealtimeProperty(fgGetNode("/sim/time/delta-realtime-sec", true));
1140 ////////////////////////////////////////////////////////////////////
1141 // Initialize the property interpolator subsystem. Put into the INIT
1142 // group because the "nasal" subsystem may need it at GENERAL take-down.
1143 ////////////////////////////////////////////////////////////////////
1144 globals->add_subsystem("interpolator", new SGInterpolator, SGSubsystemMgr::INIT);
1147 ////////////////////////////////////////////////////////////////////
1148 // Add the FlightGear property utilities.
1149 ////////////////////////////////////////////////////////////////////
1150 globals->add_subsystem("properties", new FGProperties);
1152 ////////////////////////////////////////////////////////////////////
1153 // Initialize the material property subsystem.
1154 ////////////////////////////////////////////////////////////////////
1156 SGPath mpath( globals->get_fg_root() );
1157 mpath.append( fgGetString("/sim/rendering/materials-file") );
1158 if ( ! globals->get_matlib()->load(globals->get_fg_root(), mpath.str(),
1159 globals->get_props()) ) {
1160 SG_LOG( SG_GENERAL, SG_ALERT,
1161 "Error loading materials file " << mpath.str() );
1166 ////////////////////////////////////////////////////////////////////
1167 // Initialize the scenery management subsystem.
1168 ////////////////////////////////////////////////////////////////////
1170 globals->get_scenery()->get_scene_graph()
1171 ->addChild(simgear::Particles::getCommonRoot());
1172 simgear::GlobalParticleCallback::setSwitch(fgGetNode("/sim/rendering/particles", true));
1174 ////////////////////////////////////////////////////////////////////
1175 // Initialize the flight model subsystem.
1176 ////////////////////////////////////////////////////////////////////
1178 globals->add_subsystem("flight", new FDMShell, SGSubsystemMgr::FDM);
1180 ////////////////////////////////////////////////////////////////////
1181 // Initialize the weather subsystem.
1182 ////////////////////////////////////////////////////////////////////
1184 // Initialize the weather modeling subsystem
1185 globals->add_subsystem("environment", new FGEnvironmentMgr);
1187 ////////////////////////////////////////////////////////////////////
1188 // Initialize the aircraft systems and instrumentation (before the
1190 ////////////////////////////////////////////////////////////////////
1192 globals->add_subsystem("instrumentation", new FGInstrumentMgr, SGSubsystemMgr::FDM);
1193 globals->add_subsystem("systems", new FGSystemMgr, SGSubsystemMgr::FDM);
1195 ////////////////////////////////////////////////////////////////////
1196 // Initialize the XML Autopilot subsystem.
1197 ////////////////////////////////////////////////////////////////////
1199 globals->add_subsystem( "xml-autopilot", FGXMLAutopilotGroup::createInstance(), SGSubsystemMgr::FDM );
1200 globals->add_subsystem( "route-manager", new FGRouteMgr );
1202 ////////////////////////////////////////////////////////////////////
1203 // Initialize the Input-Output subsystem
1204 ////////////////////////////////////////////////////////////////////
1205 globals->add_subsystem( "io", new FGIO );
1207 ////////////////////////////////////////////////////////////////////
1208 // Create and register the logger.
1209 ////////////////////////////////////////////////////////////////////
1211 globals->add_subsystem("logger", new FGLogger);
1213 ////////////////////////////////////////////////////////////////////
1214 // Create and register the XML GUI.
1215 ////////////////////////////////////////////////////////////////////
1217 globals->add_subsystem("gui", new NewGUI, SGSubsystemMgr::INIT);
1219 //////////////////////////////////////////////////////////////////////
1220 // Initialize the 2D cloud subsystem.
1221 ////////////////////////////////////////////////////////////////////
1222 fgGetBool("/sim/rendering/bump-mapping", false);
1226 ////////////////////////////////////////////////////////////////////
1227 // Initialise the ATC Manager
1228 // Note that this is old stuff, but might be necessesary for the
1229 // current ATIS implementation. Therefore, leave it in here
1230 // until the ATIS system is ported over to make use of the ATIS
1231 // sub system infrastructure.
1232 ////////////////////////////////////////////////////////////////////
1234 SG_LOG(SG_GENERAL, SG_INFO, " ATC Manager");
1235 globals->set_ATC_mgr(new FGATCMgr);
1236 globals->get_ATC_mgr()->init();
1238 ////////////////////////////////////////////////////////////////////
1239 // Initialize the ATC subsystem
1240 ////////////////////////////////////////////////////////////////////
1241 globals->add_subsystem("ATC", new FGATCManager, SGSubsystemMgr::POST_FDM);
1242 ////////////////////////////////////////////////////////////////////
1243 // Initialise the ATIS Subsystem
1244 ////////////////////////////////////////////////////////////////////
1245 //globals->add_subsystem("atis", new FGAtisManager, SGSubsystemMgr::POST_FDM);
1248 ////////////////////////////////////////////////////////////////////
1249 // Initialize multiplayer subsystem
1250 ////////////////////////////////////////////////////////////////////
1252 globals->add_subsystem("mp", new FGMultiplayMgr, SGSubsystemMgr::POST_FDM);
1254 ////////////////////////////////////////////////////////////////////
1255 // Initialise the AI Model Manager
1256 ////////////////////////////////////////////////////////////////////
1257 SG_LOG(SG_GENERAL, SG_INFO, " AI Model Manager");
1258 globals->add_subsystem("ai_model", new FGAIManager, SGSubsystemMgr::POST_FDM);
1259 globals->add_subsystem("submodel_mgr", new FGSubmodelMgr, SGSubsystemMgr::POST_FDM);
1262 // It's probably a good idea to initialize the top level traffic manager
1263 // After the AI and ATC systems have been initialized properly.
1264 // AI Traffic manager
1265 globals->add_subsystem("Traffic Manager", new FGTrafficManager, SGSubsystemMgr::POST_FDM);
1267 ////////////////////////////////////////////////////////////////////
1268 // Add a new 2D panel.
1269 ////////////////////////////////////////////////////////////////////
1271 string panel_path(fgGetString("/sim/panel/path"));
1272 if (!panel_path.empty()) {
1273 FGPanel* p = fgReadPanel(panel_path);
1275 globals->set_current_panel(p);
1278 SG_LOG( SG_INPUT, SG_INFO, "Loaded new panel from " << panel_path );
1280 SG_LOG( SG_INPUT, SG_ALERT,
1281 "Error reading new panel from " << panel_path );
1285 ////////////////////////////////////////////////////////////////////
1286 // Initialize the controls subsystem.
1287 ////////////////////////////////////////////////////////////////////
1289 globals->get_controls()->init();
1290 globals->get_controls()->bind();
1293 ////////////////////////////////////////////////////////////////////
1294 // Initialize the input subsystem.
1295 ////////////////////////////////////////////////////////////////////
1297 globals->add_subsystem("input", new FGInput);
1300 ////////////////////////////////////////////////////////////////////
1301 // Initialize the replay subsystem
1302 ////////////////////////////////////////////////////////////////////
1303 globals->add_subsystem("replay", new FGReplay);
1305 #ifdef ENABLE_AUDIO_SUPPORT
1306 ////////////////////////////////////////////////////////////////////
1307 // Initialize the sound-effects subsystem.
1308 ////////////////////////////////////////////////////////////////////
1309 globals->add_subsystem("voice", new FGVoiceMgr, SGSubsystemMgr::DISPLAY);
1312 ////////////////////////////////////////////////////////////////////
1313 // Initialize the lighting subsystem.
1314 ////////////////////////////////////////////////////////////////////
1316 globals->add_subsystem("lighting", new FGLight, SGSubsystemMgr::DISPLAY);
1318 // ordering here is important : Nasal (via events), then models, then views
1319 globals->add_subsystem("events", globals->get_event_mgr(), SGSubsystemMgr::DISPLAY);
1321 FGAircraftModel* acm = new FGAircraftModel;
1322 globals->set_aircraft_model(acm);
1323 globals->add_subsystem("aircraft-model", acm, SGSubsystemMgr::DISPLAY);
1325 FGModelMgr* mm = new FGModelMgr;
1326 globals->set_model_mgr(mm);
1327 globals->add_subsystem("model-manager", mm, SGSubsystemMgr::DISPLAY);
1329 FGViewMgr *viewmgr = new FGViewMgr;
1330 globals->set_viewmgr( viewmgr );
1331 globals->add_subsystem("view-manager", viewmgr, SGSubsystemMgr::DISPLAY);
1333 globals->add_subsystem("tile-manager", globals->get_tile_mgr(),
1334 SGSubsystemMgr::DISPLAY);
1336 ////////////////////////////////////////////////////////////////////
1337 // Bind and initialize subsystems.
1338 ////////////////////////////////////////////////////////////////////
1340 globals->get_subsystem_mgr()->bind();
1341 globals->get_subsystem_mgr()->init();
1343 ////////////////////////////////////////////////////////////////////////
1344 // Initialize the Nasal interpreter.
1345 // Do this last, so that the loaded scripts see initialized state
1346 ////////////////////////////////////////////////////////////////////////
1347 FGNasalSys* nasal = new FGNasalSys();
1348 globals->add_subsystem("nasal", nasal, SGSubsystemMgr::INIT);
1351 // initialize methods that depend on other subsystems.
1352 globals->get_subsystem_mgr()->postinit();
1354 ////////////////////////////////////////////////////////////////////////
1355 // End of subsystem initialization.
1356 ////////////////////////////////////////////////////////////////////
1358 fgSetBool("/sim/initialized", true);
1360 SG_LOG( SG_GENERAL, SG_INFO, endl);
1362 // Save the initial state for future
1364 globals->saveInitialState();
1369 // Reset: this is what the 'reset' command (and hence, GUI) is attached to
1370 void fgReInitSubsystems()
1372 static const SGPropertyNode *master_freeze
1373 = fgGetNode("/sim/freeze/master");
1375 SG_LOG( SG_GENERAL, SG_INFO, "fgReInitSubsystems()");
1377 // setup state to begin re-init
1378 bool freeze = master_freeze->getBoolValue();
1380 fgSetBool("/sim/freeze/master", true);
1383 fgSetBool("/sim/signals/reinit", true);
1384 fgSetBool("/sim/crashed", false);
1386 // do actual re-init steps
1387 globals->get_subsystem("flight")->unbind();
1389 // reset control state, before restoring initial state; -set or config files
1390 // may specify values for flaps, trim tabs, magnetos, etc
1391 globals->get_controls()->reset_all();
1393 globals->restoreInitialState();
1395 // update our position based on current presets
1398 // Force reupdating the positions of the ai 3d models. They are used for
1399 // initializing ground level for the FDM.
1400 globals->get_subsystem("ai_model")->reinit();
1402 // Initialize the FDM
1403 globals->get_subsystem("flight")->reinit();
1405 // reset replay buffers
1406 globals->get_subsystem("replay")->reinit();
1408 // reload offsets from config defaults
1409 globals->get_viewmgr()->reinit();
1411 globals->get_subsystem("time")->reinit();
1413 // need to bind FDMshell again, since we manually unbound it above...
1414 globals->get_subsystem("flight")->bind();
1416 // setup state to end re-init
1417 fgSetBool("/sim/signals/reinit", false);
1419 fgSetBool("/sim/freeze/master", false);
1421 fgSetBool("/sim/sceneryloaded",false);
1425 ///////////////////////////////////////////////////////////////////////////////
1426 // helper object to implement the --show-aircraft command.
1427 // resides here so we can share the fgFindAircraftInDir template above,
1428 // and hence ensure this command lists exectly the same aircraft as the normal
1435 _minStatus = getNumMaturity(fgGetString("/sim/aircraft-min-status", "all"));
1439 void show(const SGPath& path)
1441 fgFindAircraftInDir(path, this, &ShowAircraft::processAircraft);
1443 std::sort(_aircraft.begin(), _aircraft.end(), ciLessLibC());
1444 SG_LOG( SG_GENERAL, SG_ALERT, "" ); // To popup the console on Windows
1445 cout << "Available aircraft:" << endl;
1446 for ( unsigned int i = 0; i < _aircraft.size(); i++ ) {
1447 cout << _aircraft[i] << endl;
1452 bool processAircraft(const SGPath& path)
1454 SGPropertyNode root;
1456 readProperties(path.str(), &root);
1457 } catch (sg_exception& ) {
1462 string descStr(" ");
1463 descStr += path.file();
1464 // trim common suffix from file names
1465 int nPos = descStr.rfind("-set.xml");
1466 if (nPos == (int)(descStr.size() - 8)) {
1467 descStr.resize(nPos);
1470 SGPropertyNode *node = root.getNode("sim");
1472 SGPropertyNode* desc = node->getNode("description");
1473 // if a status tag is found, read it in
1474 if (node->hasValue("status")) {
1475 maturity = getNumMaturity(node->getStringValue("status"));
1479 if (descStr.size() <= 27+3) {
1480 descStr.append(29+3-descStr.size(), ' ');
1483 descStr.append( 32, ' ');
1485 descStr += desc->getStringValue();
1487 } // of have 'sim' node
1489 if (maturity < _minStatus) {
1493 _aircraft.push_back(descStr);
1498 int getNumMaturity(const char * str)
1500 // changes should also be reflected in $FG_ROOT/data/options.xml &
1501 // $FG_ROOT/data/Translations/string-default.xml
1502 const char* levels[] = {"alpha","beta","early-production","production"};
1504 if (!strcmp(str, "all")) {
1508 for (size_t i=0; i<(sizeof(levels)/sizeof(levels[0]));i++)
1509 if (strcmp(str,levels[i])==0)
1515 // recommended in Meyers, Effective STL when internationalization and embedded
1516 // NULLs aren't an issue. Much faster than the STL or Boost lex versions.
1517 struct ciLessLibC : public std::binary_function<string, string, bool>
1519 bool operator()(const std::string &lhs, const std::string &rhs) const
1521 return strcasecmp(lhs.c_str(), rhs.c_str()) < 0 ? 1 : 0;
1526 string_list _aircraft;
1529 void fgShowAircraft(const SGPath &path)
1535 cout << "Hit a key to continue..." << endl;