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;
455 static SGPath platformDefaultDataPath()
457 char *envp = ::getenv( "APPDATA" );
458 SGPath config( envp );
459 config.append( "flightgear.org" );
464 #include <CoreServices/CoreServices.h>
466 static SGPath platformDefaultDataPath()
469 OSErr err = FSFindFolder(kUserDomain, kApplicationSupportFolderType, false, &ref);
474 unsigned char path[1024];
475 if (FSRefMakePath(&ref, path, 1024) != noErr) {
480 appData.set((const char*) path);
481 appData.append("flightgear.org");
485 static SGPath platformDefaultDataPath()
487 SGPath config( homedir );
488 config.append( ".fgfs" );
493 // Read in configuration (file and command line)
494 bool fgInitConfig ( int argc, char **argv ) {
496 flightgear::Options::sharedInstance()->init(argc, argv);
498 // Read global preferences from $FG_ROOT/preferences.xml
499 SG_LOG(SG_INPUT, SG_INFO, "Reading global preferences");
500 fgLoadProps("preferences.xml", globals->get_props());
501 SG_LOG(SG_INPUT, SG_INFO, "Finished Reading global preferences");
503 // Detect the required language as early as possible
504 if ( !fgDetectLanguage() ) {
508 SGPropertyNode autosave;
509 SGPath dataPath = platformDefaultDataPath();
511 const char *fg_home = getenv("FG_HOME");
515 simgear::Dir exportDir(simgear::Dir(dataPath).file("Export"));
516 if (!exportDir.exists()) {
517 exportDir.create(0777);
520 // Set /sim/fg-home and don't allow malign code to override it until
521 // Nasal security is set up. Use FG_HOME if necessary.
522 SGPropertyNode *home = fgGetNode("/sim", true);
523 home->removeChild("fg-home", 0, false);
524 home = home->getChild("fg-home", 0, true);
525 home->setStringValue(dataPath.c_str());
526 home->setAttribute(SGPropertyNode::WRITE, false);
528 SGPath autosaveFile = simgear::Dir(dataPath).file("autosave.xml");
529 if (autosaveFile.exists()) {
530 SG_LOG(SG_INPUT, SG_INFO, "Reading user settings from " << autosaveFile.str());
532 readProperties(autosaveFile.str(), &autosave, SGPropertyNode::USERARCHIVE);
533 } catch (sg_exception& e) {
534 SG_LOG(SG_INPUT, SG_WARN, "failed to read user settings:" << e.getMessage()
535 << "(from " << e.getOrigin() << ")");
539 // Scan user config files and command line for a specified aircraft.
540 flightgear::Options::sharedInstance()->initAircraft();
542 FindAndCacheAircraft f(&autosave);
543 if (!f.loadAircraft()) {
547 copyProperties(&autosave, globals->get_props());
549 // parse options after loading aircraft to ensure any user
550 // overrides of defaults are honored.
551 flightgear::Options::sharedInstance()->processOptions();
556 // Set current tower position lon/lat given an airport id
557 static bool fgSetTowerPosFromAirportID( const string& id) {
558 const FGAirport *a = fgFindAirportID( id);
560 SGGeod tower = a->getTowerLocation();
561 fgSetDouble("/sim/tower/longitude-deg", tower.getLongitudeDeg());
562 fgSetDouble("/sim/tower/latitude-deg", tower.getLatitudeDeg());
563 fgSetDouble("/sim/tower/altitude-ft", tower.getElevationFt());
571 struct FGTowerLocationListener : SGPropertyChangeListener {
572 void valueChanged(SGPropertyNode* node) {
573 string id(node->getStringValue());
574 if (fgGetBool("/sim/tower/auto-position",true))
576 // enforce using closest airport when auto-positioning is enabled
577 const char* closest_airport = fgGetString("/sim/airport/closest-airport-id", "");
578 if (closest_airport && (id != closest_airport))
580 id = closest_airport;
581 node->setStringValue(id);
584 fgSetTowerPosFromAirportID(id);
588 struct FGClosestTowerLocationListener : SGPropertyChangeListener
590 void valueChanged(SGPropertyNode* )
592 // closest airport has changed
593 if (fgGetBool("/sim/tower/auto-position",true))
595 // update tower position
596 const char* id = fgGetString("/sim/airport/closest-airport-id", "");
598 fgSetString("/sim/tower/airport-id", id);
603 void fgInitTowerLocationListener() {
604 fgGetNode("/sim/tower/airport-id", true)
605 ->addChangeListener( new FGTowerLocationListener(), true );
606 FGClosestTowerLocationListener* ntcl = new FGClosestTowerLocationListener();
607 fgGetNode("/sim/airport/closest-airport-id", true)
608 ->addChangeListener(ntcl , true );
609 fgGetNode("/sim/tower/auto-position", true)
610 ->addChangeListener(ntcl, true );
613 static void fgApplyStartOffset(const SGGeod& aStartPos, double aHeading, double aTargetHeading = HUGE_VAL)
615 SGGeod startPos(aStartPos);
616 if (aTargetHeading == HUGE_VAL) {
617 aTargetHeading = aHeading;
620 if ( fabs( fgGetDouble("/sim/presets/offset-distance-nm") ) > SG_EPSILON ) {
621 double offsetDistance = fgGetDouble("/sim/presets/offset-distance-nm");
622 offsetDistance *= SG_NM_TO_METER;
623 double offsetAzimuth = aHeading;
624 if ( fabs(fgGetDouble("/sim/presets/offset-azimuth-deg")) > SG_EPSILON ) {
625 offsetAzimuth = fgGetDouble("/sim/presets/offset-azimuth-deg");
626 aHeading = aTargetHeading;
631 SGGeodesy::direct(startPos, offsetAzimuth + 180, offsetDistance, offset, az2);
636 fgSetDouble("/sim/presets/longitude-deg", startPos.getLongitudeDeg() );
637 fgSetDouble("/sim/presets/latitude-deg", startPos.getLatitudeDeg() );
638 fgSetDouble("/sim/presets/heading-deg", aHeading );
640 // other code depends on the actual values being set ...
641 fgSetDouble("/position/longitude-deg", startPos.getLongitudeDeg() );
642 fgSetDouble("/position/latitude-deg", startPos.getLatitudeDeg() );
643 fgSetDouble("/orientation/heading-deg", aHeading );
646 // Set current_options lon/lat given an airport id and heading (degrees)
647 bool fgSetPosFromAirportIDandHdg( const string& id, double tgt_hdg ) {
651 // set initial position from runway and heading
652 SG_LOG( SG_GENERAL, SG_INFO,
653 "Attempting to set starting position from airport code "
654 << id << " heading " << tgt_hdg );
656 const FGAirport* apt = fgFindAirportID(id);
657 if (!apt) return false;
658 FGRunway* r = apt->findBestRunwayForHeading(tgt_hdg);
659 fgSetString("/sim/atc/runway", r->ident().c_str());
661 SGGeod startPos = r->pointOnCenterline(fgGetDouble("/sim/airport/runways/start-offset-m", 5.0));
662 fgApplyStartOffset(startPos, r->headingDeg(), tgt_hdg);
666 // Set current_options lon/lat given an airport id and parkig position name
667 static bool fgSetPosFromAirportIDandParkpos( const string& id, const string& parkpos ) {
671 // can't see an easy way around this const_cast at the moment
672 FGAirport* apt = const_cast<FGAirport*>(fgFindAirportID(id));
674 SG_LOG( SG_GENERAL, SG_ALERT, "Failed to find airport " << id );
677 FGAirportDynamics* dcs = apt->getDynamics();
679 SG_LOG( SG_GENERAL, SG_ALERT,
680 "Airport " << id << "does not appear to have parking information available");
684 int park_index = dcs->getNrOfParkings() - 1;
686 double radius = fgGetDouble("/sim/dimensions/radius-m");
687 if ((parkpos == string("AVAILABLE")) && (radius > 0)) {
688 double lat, lon, heading;
693 acData = fgGetString("/sim/fg-home");
694 acData.append("aircraft-data");
695 string acfile = fgGetString("/sim/aircraft") + string(".xml");
696 acData.append(acfile);
698 readProperties(acData.str(), &root);
699 SGPropertyNode * node = root.getNode("sim");
700 fltType = node->getStringValue("aircraft-class", "NONE" );
701 acOperator = node->getStringValue("aircraft-operator", "NONE" );
702 } catch (const sg_exception &) {
703 SG_LOG(SG_GENERAL, SG_INFO,
704 "Could not load aircraft aircrat type and operator information from: " << acData.str() << ". Using defaults");
706 // cout << path.str() << endl;
708 if (fltType.empty() || fltType == "NONE") {
709 SG_LOG(SG_GENERAL, SG_INFO,
710 "Aircraft type information not found in: " << acData.str() << ". Using default value");
711 fltType = fgGetString("/sim/aircraft-class" );
713 if (acOperator.empty() || fltType == "NONE") {
714 SG_LOG(SG_GENERAL, SG_INFO,
715 "Aircraft operator information not found in: " << acData.str() << ". Using default value");
716 acOperator = fgGetString("/sim/aircraft-operator" );
719 cerr << "Running aircraft " << fltType << " of livery " << acOperator << endl;
720 string acType; // Currently not used by findAvailable parking, so safe to leave empty.
721 succes = dcs->getAvailableParking(&lat, &lon, &heading, &park_index, radius, fltType, acType, acOperator);
723 fgGetString("/sim/presets/parkpos");
724 fgSetString("/sim/presets/parkpos", dcs->getParking(park_index)->getName());
726 SG_LOG( SG_GENERAL, SG_ALERT,
727 "Failed to find a suitable parking at airport " << id );
731 //cerr << "We shouldn't get here when AVAILABLE" << endl;
732 while (park_index >= 0 && dcs->getParkingName(park_index) != parkpos) park_index--;
733 if (park_index < 0) {
734 SG_LOG( SG_GENERAL, SG_ALERT,
735 "Failed to find parking position " << parkpos <<
736 " at airport " << id );
740 FGParking* parking = dcs->getParking(park_index);
741 parking->setAvailable(false);
743 SGGeod::fromDeg(parking->getLongitude(), parking->getLatitude()),
744 parking->getHeading());
749 // Set current_options lon/lat given an airport id and runway number
750 static bool fgSetPosFromAirportIDandRwy( const string& id, const string& rwy, bool rwy_req ) {
754 // set initial position from airport and runway number
755 SG_LOG( SG_GENERAL, SG_INFO,
756 "Attempting to set starting position for "
757 << id << ":" << rwy );
759 const FGAirport* apt = fgFindAirportID(id);
761 SG_LOG( SG_GENERAL, SG_ALERT, "Failed to find airport:" << id);
765 if (!apt->hasRunwayWithIdent(rwy)) {
766 SG_LOG( SG_GENERAL, rwy_req ? SG_ALERT : SG_INFO,
767 "Failed to find runway " << rwy <<
768 " at airport " << id << ". Using default runway." );
772 FGRunway* r(apt->getRunwayByIdent(rwy));
773 fgSetString("/sim/atc/runway", r->ident().c_str());
774 SGGeod startPos = r->pointOnCenterline( fgGetDouble("/sim/airport/runways/start-offset-m", 5.0));
775 fgApplyStartOffset(startPos, r->headingDeg());
780 static void fgSetDistOrAltFromGlideSlope() {
781 // cout << "fgSetDistOrAltFromGlideSlope()" << endl;
782 string apt_id = fgGetString("/sim/presets/airport-id");
783 double gs = fgGetDouble("/sim/presets/glideslope-deg")
784 * SG_DEGREES_TO_RADIANS ;
785 double od = fgGetDouble("/sim/presets/offset-distance-nm");
786 double alt = fgGetDouble("/sim/presets/altitude-ft");
788 double apt_elev = 0.0;
789 if ( ! apt_id.empty() ) {
790 apt_elev = fgGetAirportElev( apt_id );
791 if ( apt_elev < -9990.0 ) {
798 if( fabs(gs) > 0.01 && fabs(od) > 0.1 && alt < -9990 ) {
799 // set altitude from glideslope and offset-distance
800 od *= SG_NM_TO_METER * SG_METER_TO_FEET;
801 alt = fabs(od*tan(gs)) + apt_elev;
802 fgSetDouble("/sim/presets/altitude-ft", alt);
803 fgSetBool("/sim/presets/onground", false);
804 SG_LOG( SG_GENERAL, SG_INFO, "Calculated altitude as: "
806 } else if( fabs(gs) > 0.01 && alt > 0 && fabs(od) < 0.1) {
807 // set offset-distance from glideslope and altitude
808 od = (alt - apt_elev) / tan(gs);
809 od *= -1*SG_FEET_TO_METER * SG_METER_TO_NM;
810 fgSetDouble("/sim/presets/offset-distance-nm", od);
811 fgSetBool("/sim/presets/onground", false);
812 SG_LOG( SG_GENERAL, SG_INFO, "Calculated offset distance as: "
814 } else if( fabs(gs) > 0.01 ) {
815 SG_LOG( SG_GENERAL, SG_ALERT,
816 "Glideslope given but not altitude or offset-distance." );
817 SG_LOG( SG_GENERAL, SG_ALERT, "Resetting glideslope to zero" );
818 fgSetDouble("/sim/presets/glideslope-deg", 0);
819 fgSetBool("/sim/presets/onground", true);
824 // Set current_options lon/lat given an airport id and heading (degrees)
825 static bool fgSetPosFromNAV( const string& id, const double& freq, FGPositioned::Type type ) {
827 const nav_list_type navlist
828 = globals->get_navlist()->findByIdentAndFreq( id.c_str(), freq, type );
830 if (navlist.size() == 0 ) {
831 SG_LOG( SG_GENERAL, SG_ALERT, "Failed to locate NAV = "
832 << id << ":" << freq );
836 if( navlist.size() > 1 ) {
838 buf << "Ambigous NAV-ID: '" << id << "'. Specify id and frequency. Available stations:" << endl;
839 for( nav_list_type::const_iterator it = navlist.begin(); it != navlist.end(); ++it ) {
840 // NDB stored in kHz, VOR stored in MHz * 100 :-P
841 double factor = (*it)->type() == FGPositioned::NDB ? 1.0 : 1/100.0;
842 string unit = (*it)->type() == FGPositioned::NDB ? "kHz" : "MHz";
843 buf << (*it)->ident() << " "
844 << setprecision(5) << (double)((*it)->get_freq() * factor) << " "
845 << (*it)->get_lat() << "/" << (*it)->get_lon()
849 SG_LOG( SG_GENERAL, SG_ALERT, buf.str() );
853 FGNavRecord *nav = navlist[0];
854 fgApplyStartOffset(nav->geod(), fgGetDouble("/sim/presets/heading-deg"));
858 // Set current_options lon/lat given an aircraft carrier id
859 static bool fgSetPosFromCarrier( const string& carrier, const string& posid ) {
861 // set initial position from runway and heading
865 if (FGAIManager::getStartPosition(carrier, posid, geodPos, heading, uvw)) {
866 double lon = geodPos.getLongitudeDeg();
867 double lat = geodPos.getLatitudeDeg();
868 double alt = geodPos.getElevationFt();
870 SG_LOG( SG_GENERAL, SG_INFO, "Attempting to set starting position for "
871 << carrier << " at lat = " << lat << ", lon = " << lon
872 << ", alt = " << alt << ", heading = " << heading);
874 fgSetDouble("/sim/presets/longitude-deg", lon);
875 fgSetDouble("/sim/presets/latitude-deg", lat);
876 fgSetDouble("/sim/presets/altitude-ft", alt);
877 fgSetDouble("/sim/presets/heading-deg", heading);
878 fgSetDouble("/position/longitude-deg", lon);
879 fgSetDouble("/position/latitude-deg", lat);
880 fgSetDouble("/position/altitude-ft", alt);
881 fgSetDouble("/orientation/heading-deg", heading);
883 fgSetString("/sim/presets/speed-set", "UVW");
884 fgSetDouble("/velocities/uBody-fps", uvw(0));
885 fgSetDouble("/velocities/vBody-fps", uvw(1));
886 fgSetDouble("/velocities/wBody-fps", uvw(2));
887 fgSetDouble("/sim/presets/uBody-fps", uvw(0));
888 fgSetDouble("/sim/presets/vBody-fps", uvw(1));
889 fgSetDouble("/sim/presets/wBody-fps", uvw(2));
891 fgSetBool("/sim/presets/onground", true);
895 SG_LOG( SG_GENERAL, SG_ALERT, "Failed to locate aircraft carrier = "
901 // Set current_options lon/lat given an airport id and heading (degrees)
902 static bool fgSetPosFromFix( const string& id )
904 FGPositioned::TypeFilter fixFilter(FGPositioned::FIX);
905 FGPositioned* fix = FGPositioned::findNextWithPartialId(NULL, id, &fixFilter);
907 SG_LOG( SG_GENERAL, SG_ALERT, "Failed to locate fix = " << id );
911 fgApplyStartOffset(fix->geod(), fgGetDouble("/sim/presets/heading-deg"));
916 * Initialize vor/ndb/ils/fix list management and query systems (as
917 * well as simple airport db list)
922 SG_LOG(SG_GENERAL, SG_INFO, "Loading Airport Database ...");
924 SGPath aptdb( globals->get_fg_root() );
925 aptdb.append( "Airports/apt.dat" );
927 SGPath p_metar( globals->get_fg_root() );
928 p_metar.append( "Airports/metar.dat" );
930 fgAirportDBLoad( aptdb.str(), p_metar.str() );
931 FGAirport::installPropertyListener();
932 FGPositioned::installCommands();
934 FGNavList *navlist = new FGNavList;
935 FGNavList *loclist = new FGNavList;
936 FGNavList *gslist = new FGNavList;
937 FGNavList *dmelist = new FGNavList;
938 FGNavList *tacanlist = new FGNavList;
939 FGNavList *carrierlist = new FGNavList;
940 FGTACANList *channellist = new FGTACANList;
942 globals->set_navlist( navlist );
943 globals->set_loclist( loclist );
944 globals->set_gslist( gslist );
945 globals->set_dmelist( dmelist );
946 globals->set_tacanlist( tacanlist );
947 globals->set_carrierlist( carrierlist );
948 globals->set_channellist( channellist );
950 if ( !fgNavDBInit(navlist, loclist, gslist, dmelist, tacanlist, carrierlist, channellist) ) {
951 SG_LOG( SG_GENERAL, SG_ALERT,
952 "Problems loading one or more navigational database" );
955 SG_LOG(SG_GENERAL, SG_INFO, " Fixes");
956 SGPath p_fix( globals->get_fg_root() );
957 p_fix.append( "Navaids/fix.dat" );
959 fixlist.init( p_fix ); // adds fixes to the DB in positioned.cxx
961 SG_LOG(SG_GENERAL, SG_INFO, " Airways");
962 flightgear::Airway::load();
968 // Set the initial position based on presets (or defaults)
969 bool fgInitPosition() {
970 // cout << "fgInitPosition()" << endl;
971 double gs = fgGetDouble("/sim/presets/glideslope-deg")
972 * SG_DEGREES_TO_RADIANS ;
973 double od = fgGetDouble("/sim/presets/offset-distance-nm");
974 double alt = fgGetDouble("/sim/presets/altitude-ft");
976 bool set_pos = false;
978 // If glideslope is specified, then calculate offset-distance or
979 // altitude relative to glide slope if either of those was not
981 if ( fabs( gs ) > 0.01 ) {
982 fgSetDistOrAltFromGlideSlope();
986 // If we have an explicit, in-range lon/lat, don't change it, just use it.
987 // If not, check for an airport-id and use that.
988 // If not, default to the middle of the KSFO field.
989 // The default values for lon/lat are deliberately out of range
990 // so that the airport-id can take effect; valid lon/lat will
991 // override airport-id, however.
992 double lon_deg = fgGetDouble("/sim/presets/longitude-deg");
993 double lat_deg = fgGetDouble("/sim/presets/latitude-deg");
994 if ( lon_deg >= -180.0 && lon_deg <= 180.0
995 && lat_deg >= -90.0 && lat_deg <= 90.0 )
1000 string apt = fgGetString("/sim/presets/airport-id");
1001 string rwy_no = fgGetString("/sim/presets/runway");
1002 bool rwy_req = fgGetBool("/sim/presets/runway-requested");
1003 string vor = fgGetString("/sim/presets/vor-id");
1004 double vor_freq = fgGetDouble("/sim/presets/vor-freq");
1005 string ndb = fgGetString("/sim/presets/ndb-id");
1006 double ndb_freq = fgGetDouble("/sim/presets/ndb-freq");
1007 string carrier = fgGetString("/sim/presets/carrier");
1008 string parkpos = fgGetString("/sim/presets/parkpos");
1009 string fix = fgGetString("/sim/presets/fix");
1010 SGPropertyNode *hdg_preset = fgGetNode("/sim/presets/heading-deg", true);
1011 double hdg = hdg_preset->getDoubleValue();
1013 // save some start parameters, so that we can later say what the
1014 // user really requested. TODO generalize that and move it to options.cxx
1015 static bool start_options_saved = false;
1016 if (!start_options_saved) {
1017 start_options_saved = true;
1018 SGPropertyNode *opt = fgGetNode("/sim/startup/options", true);
1020 opt->setDoubleValue("latitude-deg", lat_deg);
1021 opt->setDoubleValue("longitude-deg", lon_deg);
1022 opt->setDoubleValue("heading-deg", hdg);
1023 opt->setStringValue("airport", apt.c_str());
1024 opt->setStringValue("runway", rwy_no.c_str());
1028 hdg = fgGetDouble("/environment/config/boundary/entry/wind-from-heading-deg", 270);
1030 if ( !set_pos && !apt.empty() && !parkpos.empty() ) {
1031 // An airport + parking position is requested
1032 if ( fgSetPosFromAirportIDandParkpos( apt, parkpos ) ) {
1033 // set tower position
1034 fgSetString("/sim/airport/closest-airport-id", apt.c_str());
1035 fgSetString("/sim/tower/airport-id", apt.c_str());
1040 if ( !set_pos && !apt.empty() && !rwy_no.empty() ) {
1041 // An airport + runway is requested
1042 if ( fgSetPosFromAirportIDandRwy( apt, rwy_no, rwy_req ) ) {
1043 // set tower position (a little off the heading for single
1045 fgSetString("/sim/airport/closest-airport-id", apt.c_str());
1046 fgSetString("/sim/tower/airport-id", apt.c_str());
1051 if ( !set_pos && !apt.empty() ) {
1052 // An airport is requested (find runway closest to hdg)
1053 if ( fgSetPosFromAirportIDandHdg( apt, hdg ) ) {
1054 // set tower position (a little off the heading for single
1056 fgSetString("/sim/airport/closest-airport-id", apt.c_str());
1057 fgSetString("/sim/tower/airport-id", apt.c_str());
1062 if (hdg_preset->getDoubleValue() > 9990.0)
1063 hdg_preset->setDoubleValue(hdg);
1065 if ( !set_pos && !vor.empty() ) {
1066 // a VOR is requested
1067 if ( fgSetPosFromNAV( vor, vor_freq, FGPositioned::VOR ) ) {
1072 if ( !set_pos && !ndb.empty() ) {
1073 // an NDB is requested
1074 if ( fgSetPosFromNAV( ndb, ndb_freq, FGPositioned::NDB ) ) {
1079 if ( !set_pos && !carrier.empty() ) {
1080 // an aircraft carrier is requested
1081 if ( fgSetPosFromCarrier( carrier, parkpos ) ) {
1086 if ( !set_pos && !fix.empty() ) {
1087 // a Fix is requested
1088 if ( fgSetPosFromFix( fix ) ) {
1094 // No lon/lat specified, no airport specified, default to
1095 // middle of KSFO field.
1096 fgSetDouble("/sim/presets/longitude-deg", -122.374843);
1097 fgSetDouble("/sim/presets/latitude-deg", 37.619002);
1100 fgSetDouble( "/position/longitude-deg",
1101 fgGetDouble("/sim/presets/longitude-deg") );
1102 fgSetDouble( "/position/latitude-deg",
1103 fgGetDouble("/sim/presets/latitude-deg") );
1104 fgSetDouble( "/orientation/heading-deg", hdg_preset->getDoubleValue());
1106 // determine if this should be an on-ground or in-air start
1107 if ((fabs(gs) > 0.01 || fabs(od) > 0.1 || alt > 0.1) && carrier.empty()) {
1108 fgSetBool("/sim/presets/onground", false);
1110 fgSetBool("/sim/presets/onground", true);
1117 // General house keeping initializations
1118 bool fgInitGeneral() {
1121 SG_LOG( SG_GENERAL, SG_INFO, "General Initialization" );
1122 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
1124 root = globals->get_fg_root();
1125 if ( ! root.length() ) {
1126 // No root path set? Then bail ...
1127 SG_LOG( SG_GENERAL, SG_ALERT,
1128 "Cannot continue without a path to the base package "
1129 << "being defined." );
1132 SG_LOG( SG_GENERAL, SG_INFO, "FG_ROOT = " << '"' << root << '"' << endl );
1134 globals->set_browser(fgGetString("/sim/startup/browser-app", "firefox %u"));
1136 char buf[512], *cwd = getcwd(buf, 511);
1138 SGPropertyNode *curr = fgGetNode("/sim", true);
1139 curr->removeChild("fg-current", 0, false);
1140 curr = curr->getChild("fg-current", 0, true);
1141 curr->setStringValue(cwd ? cwd : "");
1142 curr->setAttribute(SGPropertyNode::WRITE, false);
1144 fgSetBool("/sim/startup/stdout-to-terminal", isatty(1) != 0 );
1145 fgSetBool("/sim/startup/stderr-to-terminal", isatty(2) != 0 );
1149 // This is the top level init routine which calls all the other
1150 // initialization routines. If you are adding a subsystem to flight
1151 // gear, its initialization call should located in this routine.
1152 // Returns non-zero if a problem encountered.
1153 bool fgInitSubsystems() {
1154 // static const SGPropertyNode *longitude
1155 // = fgGetNode("/sim/presets/longitude-deg");
1156 // static const SGPropertyNode *latitude
1157 // = fgGetNode("/sim/presets/latitude-deg");
1158 // static const SGPropertyNode *altitude
1159 // = fgGetNode("/sim/presets/altitude-ft");
1161 SG_LOG( SG_GENERAL, SG_INFO, "Initialize Subsystems");
1162 SG_LOG( SG_GENERAL, SG_INFO, "========== ==========");
1164 ////////////////////////////////////////////////////////////////////
1165 // Initialize the event manager subsystem.
1166 ////////////////////////////////////////////////////////////////////
1168 globals->get_event_mgr()->init();
1169 globals->get_event_mgr()->setRealtimeProperty(fgGetNode("/sim/time/delta-realtime-sec", true));
1171 ////////////////////////////////////////////////////////////////////
1172 // Initialize the property interpolator subsystem. Put into the INIT
1173 // group because the "nasal" subsystem may need it at GENERAL take-down.
1174 ////////////////////////////////////////////////////////////////////
1175 globals->add_subsystem("interpolator", new SGInterpolator, SGSubsystemMgr::INIT);
1178 ////////////////////////////////////////////////////////////////////
1179 // Add the FlightGear property utilities.
1180 ////////////////////////////////////////////////////////////////////
1181 globals->add_subsystem("properties", new FGProperties);
1183 ////////////////////////////////////////////////////////////////////
1184 // Initialize the material property subsystem.
1185 ////////////////////////////////////////////////////////////////////
1187 SGPath mpath( globals->get_fg_root() );
1188 mpath.append( fgGetString("/sim/rendering/materials-file") );
1189 if ( ! globals->get_matlib()->load(globals->get_fg_root(), mpath.str(),
1190 globals->get_props()) ) {
1191 SG_LOG( SG_GENERAL, SG_ALERT,
1192 "Error loading materials file " << mpath.str() );
1197 ////////////////////////////////////////////////////////////////////
1198 // Initialize the scenery management subsystem.
1199 ////////////////////////////////////////////////////////////////////
1201 globals->get_scenery()->get_scene_graph()
1202 ->addChild(simgear::Particles::getCommonRoot());
1203 simgear::GlobalParticleCallback::setSwitch(fgGetNode("/sim/rendering/particles", true));
1205 ////////////////////////////////////////////////////////////////////
1206 // Initialize the flight model subsystem.
1207 ////////////////////////////////////////////////////////////////////
1209 globals->add_subsystem("flight", new FDMShell, SGSubsystemMgr::FDM);
1211 ////////////////////////////////////////////////////////////////////
1212 // Initialize the weather subsystem.
1213 ////////////////////////////////////////////////////////////////////
1215 // Initialize the weather modeling subsystem
1216 globals->add_subsystem("environment", new FGEnvironmentMgr);
1218 ////////////////////////////////////////////////////////////////////
1219 // Initialize the aircraft systems and instrumentation (before the
1221 ////////////////////////////////////////////////////////////////////
1223 globals->add_subsystem("instrumentation", new FGInstrumentMgr, SGSubsystemMgr::FDM);
1224 globals->add_subsystem("systems", new FGSystemMgr, SGSubsystemMgr::FDM);
1226 ////////////////////////////////////////////////////////////////////
1227 // Initialize the XML Autopilot subsystem.
1228 ////////////////////////////////////////////////////////////////////
1230 globals->add_subsystem( "xml-autopilot", FGXMLAutopilotGroup::createInstance(), SGSubsystemMgr::FDM );
1231 globals->add_subsystem( "route-manager", new FGRouteMgr );
1233 ////////////////////////////////////////////////////////////////////
1234 // Initialize the Input-Output subsystem
1235 ////////////////////////////////////////////////////////////////////
1236 globals->add_subsystem( "io", new FGIO );
1238 ////////////////////////////////////////////////////////////////////
1239 // Create and register the logger.
1240 ////////////////////////////////////////////////////////////////////
1242 globals->add_subsystem("logger", new FGLogger);
1244 ////////////////////////////////////////////////////////////////////
1245 // Create and register the XML GUI.
1246 ////////////////////////////////////////////////////////////////////
1248 globals->add_subsystem("gui", new NewGUI, SGSubsystemMgr::INIT);
1250 //////////////////////////////////////////////////////////////////////
1251 // Initialize the 2D cloud subsystem.
1252 ////////////////////////////////////////////////////////////////////
1253 fgGetBool("/sim/rendering/bump-mapping", false);
1257 ////////////////////////////////////////////////////////////////////
1258 // Initialise the ATC Manager
1259 // Note that this is old stuff, but might be necessesary for the
1260 // current ATIS implementation. Therefore, leave it in here
1261 // until the ATIS system is ported over to make use of the ATIS
1262 // sub system infrastructure.
1263 ////////////////////////////////////////////////////////////////////
1265 SG_LOG(SG_GENERAL, SG_INFO, " ATC Manager");
1266 globals->set_ATC_mgr(new FGATCMgr);
1267 globals->get_ATC_mgr()->init();
1269 ////////////////////////////////////////////////////////////////////
1270 // Initialize the ATC subsystem
1271 ////////////////////////////////////////////////////////////////////
1272 globals->add_subsystem("ATC", new FGATCManager, SGSubsystemMgr::POST_FDM);
1273 ////////////////////////////////////////////////////////////////////
1274 // Initialise the ATIS Subsystem
1275 ////////////////////////////////////////////////////////////////////
1276 //globals->add_subsystem("atis", new FGAtisManager, SGSubsystemMgr::POST_FDM);
1279 ////////////////////////////////////////////////////////////////////
1280 // Initialize multiplayer subsystem
1281 ////////////////////////////////////////////////////////////////////
1283 globals->add_subsystem("mp", new FGMultiplayMgr, SGSubsystemMgr::POST_FDM);
1285 ////////////////////////////////////////////////////////////////////
1286 // Initialise the AI Model Manager
1287 ////////////////////////////////////////////////////////////////////
1288 SG_LOG(SG_GENERAL, SG_INFO, " AI Model Manager");
1289 globals->add_subsystem("ai_model", new FGAIManager, SGSubsystemMgr::POST_FDM);
1290 globals->add_subsystem("submodel_mgr", new FGSubmodelMgr, SGSubsystemMgr::POST_FDM);
1293 // It's probably a good idea to initialize the top level traffic manager
1294 // After the AI and ATC systems have been initialized properly.
1295 // AI Traffic manager
1296 globals->add_subsystem("Traffic Manager", new FGTrafficManager, SGSubsystemMgr::POST_FDM);
1298 ////////////////////////////////////////////////////////////////////
1299 // Add a new 2D panel.
1300 ////////////////////////////////////////////////////////////////////
1302 string panel_path(fgGetString("/sim/panel/path"));
1303 if (!panel_path.empty()) {
1304 FGPanel* p = fgReadPanel(panel_path);
1306 globals->set_current_panel(p);
1309 SG_LOG( SG_INPUT, SG_INFO, "Loaded new panel from " << panel_path );
1311 SG_LOG( SG_INPUT, SG_ALERT,
1312 "Error reading new panel from " << panel_path );
1316 ////////////////////////////////////////////////////////////////////
1317 // Initialize the controls subsystem.
1318 ////////////////////////////////////////////////////////////////////
1320 globals->get_controls()->init();
1321 globals->get_controls()->bind();
1324 ////////////////////////////////////////////////////////////////////
1325 // Initialize the input subsystem.
1326 ////////////////////////////////////////////////////////////////////
1328 globals->add_subsystem("input", new FGInput);
1331 ////////////////////////////////////////////////////////////////////
1332 // Initialize the replay subsystem
1333 ////////////////////////////////////////////////////////////////////
1334 globals->add_subsystem("replay", new FGReplay);
1336 #ifdef ENABLE_AUDIO_SUPPORT
1337 ////////////////////////////////////////////////////////////////////
1338 // Initialize the sound-effects subsystem.
1339 ////////////////////////////////////////////////////////////////////
1340 globals->add_subsystem("voice", new FGVoiceMgr, SGSubsystemMgr::DISPLAY);
1343 ////////////////////////////////////////////////////////////////////
1344 // Initialize the lighting subsystem.
1345 ////////////////////////////////////////////////////////////////////
1347 globals->add_subsystem("lighting", new FGLight, SGSubsystemMgr::DISPLAY);
1349 // ordering here is important : Nasal (via events), then models, then views
1350 globals->add_subsystem("events", globals->get_event_mgr(), SGSubsystemMgr::DISPLAY);
1352 FGAircraftModel* acm = new FGAircraftModel;
1353 globals->set_aircraft_model(acm);
1354 globals->add_subsystem("aircraft-model", acm, SGSubsystemMgr::DISPLAY);
1356 FGModelMgr* mm = new FGModelMgr;
1357 globals->set_model_mgr(mm);
1358 globals->add_subsystem("model-manager", mm, SGSubsystemMgr::DISPLAY);
1360 FGViewMgr *viewmgr = new FGViewMgr;
1361 globals->set_viewmgr( viewmgr );
1362 globals->add_subsystem("view-manager", viewmgr, SGSubsystemMgr::DISPLAY);
1364 globals->add_subsystem("tile-manager", globals->get_tile_mgr(),
1365 SGSubsystemMgr::DISPLAY);
1367 ////////////////////////////////////////////////////////////////////
1368 // Bind and initialize subsystems.
1369 ////////////////////////////////////////////////////////////////////
1371 globals->get_subsystem_mgr()->bind();
1372 globals->get_subsystem_mgr()->init();
1374 ////////////////////////////////////////////////////////////////////////
1375 // Initialize the Nasal interpreter.
1376 // Do this last, so that the loaded scripts see initialized state
1377 ////////////////////////////////////////////////////////////////////////
1378 FGNasalSys* nasal = new FGNasalSys();
1379 globals->add_subsystem("nasal", nasal, SGSubsystemMgr::INIT);
1382 // initialize methods that depend on other subsystems.
1383 globals->get_subsystem_mgr()->postinit();
1385 ////////////////////////////////////////////////////////////////////////
1386 // End of subsystem initialization.
1387 ////////////////////////////////////////////////////////////////////
1389 fgSetBool("/sim/initialized", true);
1391 SG_LOG( SG_GENERAL, SG_INFO, endl);
1393 // Save the initial state for future
1395 globals->saveInitialState();
1400 // Reset: this is what the 'reset' command (and hence, GUI) is attached to
1401 void fgReInitSubsystems()
1403 static const SGPropertyNode *master_freeze
1404 = fgGetNode("/sim/freeze/master");
1406 SG_LOG( SG_GENERAL, SG_INFO, "fgReInitSubsystems()");
1408 // setup state to begin re-init
1409 bool freeze = master_freeze->getBoolValue();
1411 fgSetBool("/sim/freeze/master", true);
1414 fgSetBool("/sim/signals/reinit", true);
1415 fgSetBool("/sim/crashed", false);
1417 // do actual re-init steps
1418 globals->get_subsystem("flight")->unbind();
1420 // reset control state, before restoring initial state; -set or config files
1421 // may specify values for flaps, trim tabs, magnetos, etc
1422 globals->get_controls()->reset_all();
1424 globals->restoreInitialState();
1426 // update our position based on current presets
1429 // Force reupdating the positions of the ai 3d models. They are used for
1430 // initializing ground level for the FDM.
1431 globals->get_subsystem("ai_model")->reinit();
1433 // Initialize the FDM
1434 globals->get_subsystem("flight")->reinit();
1436 // reset replay buffers
1437 globals->get_subsystem("replay")->reinit();
1439 // reload offsets from config defaults
1440 globals->get_viewmgr()->reinit();
1442 globals->get_subsystem("time")->reinit();
1444 // need to bind FDMshell again, since we manually unbound it above...
1445 globals->get_subsystem("flight")->bind();
1447 // setup state to end re-init
1448 fgSetBool("/sim/signals/reinit", false);
1450 fgSetBool("/sim/freeze/master", false);
1452 fgSetBool("/sim/sceneryloaded",false);
1456 ///////////////////////////////////////////////////////////////////////////////
1457 // helper object to implement the --show-aircraft command.
1458 // resides here so we can share the fgFindAircraftInDir template above,
1459 // and hence ensure this command lists exectly the same aircraft as the normal
1466 _minStatus = getNumMaturity(fgGetString("/sim/aircraft-min-status", "all"));
1470 void show(const SGPath& path)
1472 fgFindAircraftInDir(path, this, &ShowAircraft::processAircraft);
1474 std::sort(_aircraft.begin(), _aircraft.end(), ciLessLibC());
1475 SG_LOG( SG_GENERAL, SG_ALERT, "" ); // To popup the console on Windows
1476 cout << "Available aircraft:" << endl;
1477 for ( unsigned int i = 0; i < _aircraft.size(); i++ ) {
1478 cout << _aircraft[i] << endl;
1483 bool processAircraft(const SGPath& path)
1485 SGPropertyNode root;
1487 readProperties(path.str(), &root);
1488 } catch (sg_exception& ) {
1493 string descStr(" ");
1494 descStr += path.file();
1495 // trim common suffix from file names
1496 int nPos = descStr.rfind("-set.xml");
1497 if (nPos == (int)(descStr.size() - 8)) {
1498 descStr.resize(nPos);
1501 SGPropertyNode *node = root.getNode("sim");
1503 SGPropertyNode* desc = node->getNode("description");
1504 // if a status tag is found, read it in
1505 if (node->hasValue("status")) {
1506 maturity = getNumMaturity(node->getStringValue("status"));
1510 if (descStr.size() <= 27+3) {
1511 descStr.append(29+3-descStr.size(), ' ');
1514 descStr.append( 32, ' ');
1516 descStr += desc->getStringValue();
1518 } // of have 'sim' node
1520 if (maturity < _minStatus) {
1524 _aircraft.push_back(descStr);
1529 int getNumMaturity(const char * str)
1531 // changes should also be reflected in $FG_ROOT/data/options.xml &
1532 // $FG_ROOT/data/Translations/string-default.xml
1533 const char* levels[] = {"alpha","beta","early-production","production"};
1535 if (!strcmp(str, "all")) {
1539 for (size_t i=0; i<(sizeof(levels)/sizeof(levels[0]));i++)
1540 if (strcmp(str,levels[i])==0)
1546 // recommended in Meyers, Effective STL when internationalization and embedded
1547 // NULLs aren't an issue. Much faster than the STL or Boost lex versions.
1548 struct ciLessLibC : public std::binary_function<string, string, bool>
1550 bool operator()(const std::string &lhs, const std::string &rhs) const
1552 return strcasecmp(lhs.c_str(), rhs.c_str()) < 0 ? 1 : 0;
1557 string_list _aircraft;
1560 void fgShowAircraft(const SGPath &path)
1566 cout << "Hit a key to continue..." << endl;