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/interpolator.hxx>
61 #include <simgear/scene/material/matlib.hxx>
62 #include <simgear/scene/model/particles.hxx>
63 #include <simgear/sound/soundmgr_openal.hxx>
64 #include <simgear/timing/sg_time.hxx>
65 #include <simgear/timing/lowleveltime.h>
67 #include <Aircraft/controls.hxx>
68 #include <Aircraft/replay.hxx>
69 #include <Airports/apt_loader.hxx>
70 #include <Airports/runways.hxx>
71 #include <Airports/simple.hxx>
72 #include <Airports/dynamics.hxx>
74 #include <AIModel/AIManager.hxx>
77 # include <ATCDCL/ATCmgr.hxx>
78 # include <ATCDCL/AIMgr.hxx>
79 # include "ATCDCL/commlist.hxx"
81 # include "ATC/atcutils.hxx"
84 #include <Autopilot/route_mgr.hxx>
85 #include <Autopilot/autopilotgroup.hxx>
87 #include <Cockpit/cockpit.hxx>
88 #include <Cockpit/panel.hxx>
89 #include <Cockpit/panel_io.hxx>
91 #include <GUI/new_gui.hxx>
92 #include <Include/general.hxx>
93 #include <Input/input.hxx>
94 #include <Instrumentation/instrument_mgr.hxx>
95 #include <Model/acmodel.hxx>
96 #include <AIModel/submodel.hxx>
97 #include <AIModel/AIManager.hxx>
98 #include <Navaids/navdb.hxx>
99 #include <Navaids/navlist.hxx>
100 #include <Navaids/fix.hxx>
101 #include <Navaids/fixlist.hxx>
102 #include <Scenery/scenery.hxx>
103 #include <Scenery/tilemgr.hxx>
104 #include <Scripting/NasalSys.hxx>
105 #include <Sound/voice.hxx>
106 #include <Systems/system_mgr.hxx>
107 #include <Time/light.hxx>
108 #include <Time/sunsolver.hxx>
109 #include <Time/tmp.hxx>
110 #include <Traffic/TrafficMgr.hxx>
111 #include <MultiPlayer/multiplaymgr.hxx>
112 #include <FDM/fdm_shell.hxx>
114 #include <Environment/environment_mgr.hxx>
115 #include <Environment/ridge_lift.hxx>
117 #include "fg_init.hxx"
119 #include "fg_commands.hxx"
120 #include "fg_props.hxx"
121 #include "options.hxx"
122 #include "globals.hxx"
123 #include "logger.hxx"
124 #include "renderer.hxx"
125 #include "viewmgr.hxx"
130 # include <CoreFoundation/CoreFoundation.h>
134 using namespace boost::algorithm;
136 extern const char *default_root;
139 // Scan the command line options for the specified option and return
141 static string fgScanForOption( const string& option, int argc, char **argv ) {
144 if (hostname == NULL)
147 gethostname(_hostname, 256);
148 hostname = strdup(_hostname);
149 free_hostname = true;
152 SG_LOG(SG_GENERAL, SG_INFO, "Scanning command line for: " << option );
154 int len = option.length();
157 SG_LOG( SG_GENERAL, SG_DEBUG, "argv[" << i << "] = " << argv[i] );
159 string arg = argv[i];
160 if ( arg.find( option ) == 0 ) {
161 return arg.substr( len );
171 // Scan the user config files for the specified option and return
173 static string fgScanForOption( const string& option, const string& path ) {
174 sg_gzifstream in( path );
175 if ( !in.is_open() ) {
179 SG_LOG( SG_GENERAL, SG_INFO, "Scanning " << path << " for: " << option );
181 int len = option.length();
184 while ( ! in.eof() ) {
186 getline( in, line, '\n' );
188 // catch extraneous (DOS) line ending character
189 if ( line[line.length() - 1] < 32 ) {
190 line = line.substr( 0, line.length()-1 );
193 if ( line.find( option ) == 0 ) {
194 return line.substr( len );
203 // Scan the user config files for the specified option and return
205 static string fgScanForOption( const string& option ) {
208 #if defined( unix ) || defined( __CYGWIN__ )
209 // Next check home directory for .fgfsrc.hostname file
211 if ( homedir != NULL ) {
212 SGPath config( homedir );
213 config.append( ".fgfsrc" );
214 config.concat( "." );
215 config.concat( hostname );
216 arg = fgScanForOption( option, config.str() );
221 // Next check home directory for .fgfsrc file
223 if ( homedir != NULL ) {
224 SGPath config( homedir );
225 config.append( ".fgfsrc" );
226 arg = fgScanForOption( option, config.str() );
231 // Check for $fg_root/system.fgfsrc
232 SGPath config( globals->get_fg_root() );
233 config.append( "system.fgfsrc" );
234 arg = fgScanForOption( option, config.str() );
241 // Read in configuration (files and command line options) but only set
243 bool fgInitFGRoot ( int argc, char **argv ) {
246 // First parse command line options looking for --fg-root=, this
247 // will override anything specified in a config file
248 root = fgScanForOption( "--fg-root=", argc, argv);
250 // Check in one of the user configuration files.
252 root = fgScanForOption( "--fg-root=" );
254 // Next check if fg-root is set as an env variable
255 if ( root.empty() ) {
256 char *envp = ::getenv( "FG_ROOT" );
257 if ( envp != NULL ) {
262 // Otherwise, default to a random compiled-in location if we can't
263 // find fg-root any other way.
264 if ( root.empty() ) {
265 #if defined( __CYGWIN__ )
267 #elif defined( _WIN32 )
269 #elif defined(__APPLE__)
271 The following code looks for the base package inside the application
272 bundle, in the standard Contents/Resources location.
274 CFURLRef resourcesUrl = CFBundleCopyResourcesDirectoryURL(CFBundleGetMainBundle());
276 // look for a 'data' subdir
277 CFURLRef dataDir = CFURLCreateCopyAppendingPathComponent(NULL, resourcesUrl, CFSTR("data"), true);
279 // now convert down to a path, and the a c-string
280 CFStringRef path = CFURLCopyFileSystemPath(dataDir, kCFURLPOSIXPathStyle);
281 root = CFStringGetCStringPtr(path, CFStringGetSystemEncoding());
283 CFRelease(resourcesUrl);
291 SG_LOG(SG_INPUT, SG_INFO, "fg_root = " << root );
292 globals->set_fg_root(root);
298 // Read in configuration (files and command line options) but only set
300 bool fgInitFGAircraft ( int argc, char **argv ) {
303 // First parse command line options looking for --aircraft=, this
304 // will override anything specified in a config file
305 aircraft = fgScanForOption( "--aircraft=", argc, argv );
306 if ( aircraft.empty() ) {
307 // check synonym option
308 aircraft = fgScanForOption( "--vehicle=", argc, argv );
311 // Check in one of the user configuration files.
312 if ( aircraft.empty() ) {
313 aircraft = fgScanForOption( "--aircraft=" );
315 if ( aircraft.empty() ) {
316 aircraft = fgScanForOption( "--vehicle=" );
319 // if an aircraft was specified, set the property name
320 if ( !aircraft.empty() ) {
321 SG_LOG(SG_INPUT, SG_INFO, "aircraft = " << aircraft );
322 fgSetString("/sim/aircraft", aircraft.c_str() );
324 SG_LOG(SG_INPUT, SG_INFO, "No user specified aircraft, using default" );
331 // Return the current base package version
332 string fgBasePackageVersion() {
333 SGPath base_path( globals->get_fg_root() );
334 base_path.append("version");
336 sg_gzifstream in( base_path.str() );
337 if ( !in.is_open() ) {
338 SGPath old_path( globals->get_fg_root() );
339 old_path.append( "Thanks" );
340 sg_gzifstream old( old_path.str() );
341 if ( !old.is_open() ) {
344 return "[old version]";
355 // Initialize the localization
356 SGPropertyNode *fgInitLocale(const char *language) {
357 SGPropertyNode *c_node = NULL, *d_node = NULL;
358 SGPropertyNode *intl = fgGetNode("/sim/intl");
360 SG_LOG(SG_GENERAL, SG_INFO, "Selecting language: " << language );
362 // localization not defined
367 // Select the proper language from the list
369 vector<SGPropertyNode_ptr> locale = intl->getChildren("locale");
370 for (unsigned int i = 0; i < locale.size(); i++) {
372 vector<SGPropertyNode_ptr> lang = locale[i]->getChildren("lang");
373 for (unsigned int j = 0; j < lang.size(); j++) {
375 if (!strcmp(lang[j]->getStringValue(), language)) {
384 d_node = intl->getChild("locale");
388 // Check for localized font
389 SGPropertyNode *font_n = c_node->getNode("font", true);
390 if ( !strcmp(font_n->getStringValue(), "") )
391 font_n->setStringValue(d_node->getStringValue("font", "typewriter.txf"));
395 // Load the default strings
397 SGPath d_path( globals->get_fg_root() );
399 const char *d_path_str = d_node->getStringValue("strings");
401 SG_LOG(SG_GENERAL, SG_ALERT, "No path in " << d_node->getPath() << "/strings.");
405 d_path.append(d_path_str);
406 SG_LOG(SG_GENERAL, SG_INFO, "Reading localized strings from " << d_path.str());
408 SGPropertyNode *strings = c_node->getNode("strings");
410 readProperties(d_path.str(), strings);
411 } catch (const sg_exception &) {
412 SG_LOG(SG_GENERAL, SG_ALERT, "Unable to read the localized strings");
417 // Load the language specific strings
419 if (c_node != d_node) {
420 SGPath c_path( globals->get_fg_root() );
422 const char *c_path_str = c_node->getStringValue("strings");
424 SG_LOG(SG_GENERAL, SG_ALERT, "No path in " << c_node->getPath() << "/strings");
428 c_path.append(c_path_str);
429 SG_LOG(SG_GENERAL, SG_INFO, "Reading localized strings from " << c_path.str());
432 readProperties(c_path.str(), strings);
433 } catch (const sg_exception &) {
434 SG_LOG(SG_GENERAL, SG_ALERT,
435 "Unable to read the localized strings from " << c_path.str());
445 // Initialize the localization routines
446 bool fgDetectLanguage() {
447 const char *language = ::getenv("LANG");
449 if (language == NULL) {
450 SG_LOG(SG_GENERAL, SG_INFO, "Unable to detect the language" );
454 SGPropertyNode *locale = fgInitLocale(language);
456 SG_LOG(SG_GENERAL, SG_ALERT,
457 "No internationalization settings specified in preferences.xml" );
462 globals->set_locale( locale );
467 // Attempt to locate and parse the various non-XML config files in order
468 // from least precidence to greatest precidence
470 do_options (int argc, char ** argv)
472 // Check for $fg_root/system.fgfsrc
473 SGPath config( globals->get_fg_root() );
474 config.append( "system.fgfsrc" );
475 fgParseOptions(config.str());
477 #if defined( unix ) || defined( __CYGWIN__ )
478 config.concat( "." );
479 config.concat( hostname );
480 fgParseOptions(config.str());
483 // Check for ~/.fgfsrc
484 if ( homedir != NULL ) {
485 config.set( homedir );
486 config.append( ".fgfsrc" );
487 fgParseOptions(config.str());
490 #if defined( unix ) || defined( __CYGWIN__ )
491 // Check for ~/.fgfsrc.hostname
492 config.concat( "." );
493 config.concat( hostname );
494 fgParseOptions(config.str());
497 // Parse remaining command line options
498 // These will override anything specified in a config file
499 fgParseArgs(argc, argv);
503 static string fgFindAircraftPath( const SGPath &path, const string &aircraft,
504 SGPropertyNode *cache, int depth = 0 )
506 const int MAXDEPTH = 1;
509 ulDir *dirp = ulOpenDir(path.str().c_str());
511 cerr << "Unable to open aircraft directory '" << path.str() << '\'' << endl;
516 while ((dire = ulReadDir(dirp)) != NULL) {
518 if (depth > MAXDEPTH)
521 if (!strcmp("CVS", dire->d_name) || !strcmp(".", dire->d_name)
522 || !strcmp("..", dire->d_name) || !strcmp("AI", dire->d_name))
526 next.append(dire->d_name);
528 result = fgFindAircraftPath( next, aircraft, cache, depth + 1 );
529 if ( ! result.empty() )
533 int len = strlen(dire->d_name);
534 if (len < 9 || strcmp(dire->d_name + len - 8, "-set.xml"))
540 if (!cache->getChild("aircraft", i++, false))
543 SGPropertyNode *n, *entry = cache->getChild("aircraft", --i, true);
545 n = entry->getNode("file", true);
546 n->setStringValue(dire->d_name);
547 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
549 n = entry->getNode("path", true);
550 n->setStringValue(path.str().c_str());
551 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
553 if ( boost::equals(dire->d_name, aircraft.c_str(), is_iequal()) ) {
565 // Read in configuration (file and command line)
566 bool fgInitConfig ( int argc, char **argv ) {
568 // First, set some sane default values
571 // Read global preferences from $FG_ROOT/preferences.xml
572 SG_LOG(SG_INPUT, SG_INFO, "Reading global preferences");
573 fgLoadProps("preferences.xml", globals->get_props());
574 SG_LOG(SG_INPUT, SG_INFO, "Finished Reading global preferences");
576 // Detect the required language as early as possible
577 if ( !fgDetectLanguage() ) {
581 SGPropertyNode autosave;
583 char *envp = ::getenv( "APPDATA" );
585 SGPath config( envp );
586 config.append( "flightgear.org" );
588 if ( homedir != NULL ) {
589 SGPath config( homedir );
590 config.append( ".fgfs" );
592 const char *fg_home = getenv("FG_HOME");
596 SGPath home_export(config.str());
597 home_export.append("Export/dummy");
598 home_export.create_dir(0777);
600 // Set /sim/fg-home and don't allow malign code to override it until
601 // Nasal security is set up. Use FG_HOME if necessary.
602 SGPropertyNode *home = fgGetNode("/sim", true);
603 home->removeChild("fg-home", 0, false);
604 home = home->getChild("fg-home", 0, true);
605 home->setStringValue(config.c_str());
606 home->setAttribute(SGPropertyNode::WRITE, false);
608 config.append( "autosave.xml" );
609 SG_LOG(SG_INPUT, SG_INFO, "Reading user settings from " << config.str());
611 readProperties(config.str(), &autosave, SGPropertyNode::USERARCHIVE);
613 SG_LOG(SG_INPUT, SG_DEBUG, "First time reading user settings");
615 SG_LOG(SG_INPUT, SG_DEBUG, "Finished Reading user settings");
617 SGPropertyNode *cache_root = autosave.getNode("sim/startup/path-cache", true);
620 // Scan user config files and command line for a specified aircraft.
621 fgInitFGAircraft(argc, argv);
623 string aircraft = fgGetString( "/sim/aircraft", "" );
624 if ( aircraft.size() > 0 ) {
625 SGPath aircraft_search( globals->get_fg_root() );
626 aircraft_search.append( "Aircraft" );
628 string aircraft_set = aircraft + "-set.xml";
631 // check if the *-set.xml file is already in the cache
632 if (globals->get_fg_root() == cache_root->getStringValue("fg-root", "")) {
633 vector<SGPropertyNode_ptr> cache = cache_root->getChildren("aircraft");
634 for (unsigned int i = 0; i < cache.size(); i++) {
635 const char *name = cache[i]->getStringValue("file", "");
636 if (boost::equals(aircraft_set, name, is_iequal())) {
637 const char *path = cache[i]->getStringValue("path", "");
647 if (result.empty()) {
648 // prepare cache for rescan
649 SGPropertyNode *n = cache_root->getNode("fg-root", true);
650 n->setStringValue(globals->get_fg_root().c_str());
651 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
652 cache_root->removeChildren("aircraft");
654 result = fgFindAircraftPath( aircraft_search, aircraft_set, cache_root );
657 if ( !result.empty() ) {
658 fgSetString( "/sim/aircraft-dir", result.c_str() );
659 SGPath full_name( result );
660 full_name.append( aircraft_set );
662 SG_LOG(SG_INPUT, SG_INFO, "Reading default aircraft: " << aircraft
663 << " from " << full_name.str());
665 readProperties( full_name.str(), globals->get_props() );
666 } catch ( const sg_exception &e ) {
667 string message = "Error reading default aircraft: ";
668 message += e.getFormattedMessage();
669 SG_LOG(SG_INPUT, SG_ALERT, message);
673 SG_LOG( SG_INPUT, SG_ALERT, "Cannot find specified aircraft: "
679 SG_LOG( SG_INPUT, SG_ALERT, "No default aircraft specified" );
682 copyProperties(&autosave, globals->get_props());
684 // parse options after loading aircraft to ensure any user
685 // overrides of defaults are honored.
686 do_options(argc, argv);
691 // Set current tower position lon/lat given an airport id
692 static bool fgSetTowerPosFromAirportID( const string& id) {
693 const FGAirport *a = fgFindAirportID( id);
695 SGGeod tower = a->getTowerLocation();
696 fgSetDouble("/sim/tower/longitude-deg", tower.getLongitudeDeg());
697 fgSetDouble("/sim/tower/latitude-deg", tower.getLatitudeDeg());
698 fgSetDouble("/sim/tower/altitude-ft", tower.getElevationFt());
706 struct FGTowerLocationListener : SGPropertyChangeListener {
707 void valueChanged(SGPropertyNode* node) {
708 const string id(node->getStringValue());
709 fgSetTowerPosFromAirportID(id);
713 void fgInitTowerLocationListener() {
714 fgGetNode("/sim/tower/airport-id", true)
715 ->addChangeListener( new FGTowerLocationListener(), true );
718 static void fgApplyStartOffset(const SGGeod& aStartPos, double aHeading, double aTargetHeading = HUGE_VAL)
720 SGGeod startPos(aStartPos);
721 if (aTargetHeading == HUGE_VAL) {
722 aTargetHeading = aHeading;
725 if ( fabs( fgGetDouble("/sim/presets/offset-distance-nm") ) > SG_EPSILON ) {
726 double offsetDistance = fgGetDouble("/sim/presets/offset-distance-nm");
727 offsetDistance *= SG_NM_TO_METER;
728 double offsetAzimuth = aHeading;
729 if ( fabs(fgGetDouble("/sim/presets/offset-azimuth-deg")) > SG_EPSILON ) {
730 offsetAzimuth = fgGetDouble("/sim/presets/offset-azimuth-deg");
731 aHeading = aTargetHeading;
736 SGGeodesy::direct(startPos, offsetAzimuth + 180, offsetDistance, offset, az2);
741 fgSetDouble("/sim/presets/longitude-deg", startPos.getLongitudeDeg() );
742 fgSetDouble("/sim/presets/latitude-deg", startPos.getLatitudeDeg() );
743 fgSetDouble("/sim/presets/heading-deg", aHeading );
745 // other code depends on the actual values being set ...
746 fgSetDouble("/position/longitude-deg", startPos.getLongitudeDeg() );
747 fgSetDouble("/position/latitude-deg", startPos.getLatitudeDeg() );
748 fgSetDouble("/orientation/heading-deg", aHeading );
751 // Set current_options lon/lat given an airport id and heading (degrees)
752 static bool fgSetPosFromAirportIDandHdg( const string& id, double tgt_hdg ) {
756 // set initial position from runway and heading
757 SG_LOG( SG_GENERAL, SG_INFO,
758 "Attempting to set starting position from airport code "
759 << id << " heading " << tgt_hdg );
761 const FGAirport* apt = fgFindAirportID(id);
762 if (!apt) return false;
763 FGRunway* r = apt->findBestRunwayForHeading(tgt_hdg);
764 fgSetString("/sim/atc/runway", r->ident().c_str());
766 SGGeod startPos = r->pointOnCenterline(fgGetDouble("/sim/airport/runways/start-offset-m", 5.0));
767 fgApplyStartOffset(startPos, r->headingDeg(), tgt_hdg);
771 // Set current_options lon/lat given an airport id and parkig position name
772 static bool fgSetPosFromAirportIDandParkpos( const string& id, const string& parkpos ) {
776 // can't see an easy way around this const_cast at the moment
777 FGAirport* apt = const_cast<FGAirport*>(fgFindAirportID(id));
779 SG_LOG( SG_GENERAL, SG_ALERT, "Failed to find airport " << id );
782 FGAirportDynamics* dcs = apt->getDynamics();
784 SG_LOG( SG_GENERAL, SG_ALERT,
785 "Failed to find parking position " << parkpos <<
786 " at airport " << id );
790 int park_index = dcs->getNrOfParkings() - 1;
791 while (park_index >= 0 && dcs->getParkingName(park_index) != parkpos) park_index--;
792 if (park_index < 0) {
793 SG_LOG( SG_GENERAL, SG_ALERT,
794 "Failed to find parking position " << parkpos <<
795 " at airport " << id );
798 FGParking* parking = dcs->getParking(park_index);
799 parking->setAvailable(false);
801 SGGeod::fromDeg(parking->getLongitude(), parking->getLatitude()),
802 parking->getHeading());
807 // Set current_options lon/lat given an airport id and runway number
808 static bool fgSetPosFromAirportIDandRwy( const string& id, const string& rwy, bool rwy_req ) {
812 // set initial position from airport and runway number
813 SG_LOG( SG_GENERAL, SG_INFO,
814 "Attempting to set starting position for "
815 << id << ":" << rwy );
817 const FGAirport* apt = fgFindAirportID(id);
819 SG_LOG( SG_GENERAL, SG_ALERT, "Failed to find airport:" << id);
823 if (!apt->hasRunwayWithIdent(rwy)) {
824 SG_LOG( SG_GENERAL, rwy_req ? SG_ALERT : SG_INFO,
825 "Failed to find runway " << rwy <<
826 " at airport " << id << ". Using default runway." );
830 FGRunway* r(apt->getRunwayByIdent(rwy));
831 fgSetString("/sim/atc/runway", r->ident().c_str());
832 SGGeod startPos = r->pointOnCenterline( fgGetDouble("/sim/airport/runways/start-offset-m", 5.0));
833 fgApplyStartOffset(startPos, r->headingDeg());
838 static void fgSetDistOrAltFromGlideSlope() {
839 // cout << "fgSetDistOrAltFromGlideSlope()" << endl;
840 string apt_id = fgGetString("/sim/presets/airport-id");
841 double gs = fgGetDouble("/sim/presets/glideslope-deg")
842 * SG_DEGREES_TO_RADIANS ;
843 double od = fgGetDouble("/sim/presets/offset-distance-nm");
844 double alt = fgGetDouble("/sim/presets/altitude-ft");
846 double apt_elev = 0.0;
847 if ( ! apt_id.empty() ) {
848 apt_elev = fgGetAirportElev( apt_id );
849 if ( apt_elev < -9990.0 ) {
856 if( fabs(gs) > 0.01 && fabs(od) > 0.1 && alt < -9990 ) {
857 // set altitude from glideslope and offset-distance
858 od *= SG_NM_TO_METER * SG_METER_TO_FEET;
859 alt = fabs(od*tan(gs)) + apt_elev;
860 fgSetDouble("/sim/presets/altitude-ft", alt);
861 fgSetBool("/sim/presets/onground", false);
862 SG_LOG( SG_GENERAL, SG_INFO, "Calculated altitude as: "
864 } else if( fabs(gs) > 0.01 && alt > 0 && fabs(od) < 0.1) {
865 // set offset-distance from glideslope and altitude
866 od = (alt - apt_elev) / tan(gs);
867 od *= -1*SG_FEET_TO_METER * SG_METER_TO_NM;
868 fgSetDouble("/sim/presets/offset-distance-nm", od);
869 fgSetBool("/sim/presets/onground", false);
870 SG_LOG( SG_GENERAL, SG_INFO, "Calculated offset distance as: "
872 } else if( fabs(gs) > 0.01 ) {
873 SG_LOG( SG_GENERAL, SG_ALERT,
874 "Glideslope given but not altitude or offset-distance." );
875 SG_LOG( SG_GENERAL, SG_ALERT, "Resetting glideslope to zero" );
876 fgSetDouble("/sim/presets/glideslope-deg", 0);
877 fgSetBool("/sim/presets/onground", true);
882 // Set current_options lon/lat given an airport id and heading (degrees)
883 static bool fgSetPosFromNAV( const string& id, const double& freq ) {
885 = globals->get_navlist()->findByIdentAndFreq( id.c_str(), freq );
888 SG_LOG( SG_GENERAL, SG_ALERT, "Failed to locate NAV = "
889 << id << ":" << freq );
893 fgApplyStartOffset(nav->geod(), fgGetDouble("/sim/presets/heading-deg"));
897 // Set current_options lon/lat given an aircraft carrier id
898 static bool fgSetPosFromCarrier( const string& carrier, const string& posid ) {
900 // set initial position from runway and heading
904 if (FGAIManager::getStartPosition(carrier, posid, geodPos, heading, uvw)) {
905 double lon = geodPos.getLongitudeDeg();
906 double lat = geodPos.getLatitudeDeg();
907 double alt = geodPos.getElevationFt();
909 SG_LOG( SG_GENERAL, SG_INFO, "Attempting to set starting position for "
910 << carrier << " at lat = " << lat << ", lon = " << lon
911 << ", alt = " << alt << ", heading = " << heading);
913 fgSetDouble("/sim/presets/longitude-deg", lon);
914 fgSetDouble("/sim/presets/latitude-deg", lat);
915 fgSetDouble("/sim/presets/altitude-ft", alt);
916 fgSetDouble("/sim/presets/heading-deg", heading);
917 fgSetDouble("/position/longitude-deg", lon);
918 fgSetDouble("/position/latitude-deg", lat);
919 fgSetDouble("/position/altitude-ft", alt);
920 fgSetDouble("/orientation/heading-deg", heading);
922 fgSetString("/sim/presets/speed-set", "UVW");
923 fgSetDouble("/velocities/uBody-fps", uvw(0));
924 fgSetDouble("/velocities/vBody-fps", uvw(1));
925 fgSetDouble("/velocities/wBody-fps", uvw(2));
926 fgSetDouble("/sim/presets/uBody-fps", uvw(0));
927 fgSetDouble("/sim/presets/vBody-fps", uvw(1));
928 fgSetDouble("/sim/presets/wBody-fps", uvw(2));
930 fgSetBool("/sim/presets/onground", true);
934 SG_LOG( SG_GENERAL, SG_ALERT, "Failed to locate aircraft carrier = "
940 // Set current_options lon/lat given an airport id and heading (degrees)
941 static bool fgSetPosFromFix( const string& id )
943 FGPositioned::TypeFilter fixFilter(FGPositioned::FIX);
944 FGPositioned* fix = FGPositioned::findNextWithPartialId(NULL, id, &fixFilter);
946 SG_LOG( SG_GENERAL, SG_ALERT, "Failed to locate fix = " << id );
950 fgApplyStartOffset(fix->geod(), fgGetDouble("/sim/presets/heading-deg"));
955 * Initialize vor/ndb/ils/fix list management and query systems (as
956 * well as simple airport db list)
961 SG_LOG(SG_GENERAL, SG_INFO, "Loading Airport Database ...");
963 SGPath aptdb( globals->get_fg_root() );
964 aptdb.append( "Airports/apt.dat" );
966 SGPath p_metar( globals->get_fg_root() );
967 p_metar.append( "Airports/metar.dat" );
969 // Initialise the frequency search map BEFORE reading
970 // the airport database:
974 current_commlist = new FGCommList;
975 current_commlist->init( globals->get_fg_root() );
976 fgAirportDBLoad( aptdb.str(), current_commlist, p_metar.str() );
978 FGNavList *navlist = new FGNavList;
979 FGNavList *loclist = new FGNavList;
980 FGNavList *gslist = new FGNavList;
981 FGNavList *dmelist = new FGNavList;
982 FGNavList *tacanlist = new FGNavList;
983 FGNavList *carrierlist = new FGNavList;
984 FGTACANList *channellist = new FGTACANList;
986 globals->set_navlist( navlist );
987 globals->set_loclist( loclist );
988 globals->set_gslist( gslist );
989 globals->set_dmelist( dmelist );
990 globals->set_tacanlist( tacanlist );
991 globals->set_carrierlist( carrierlist );
992 globals->set_channellist( channellist );
994 if ( !fgNavDBInit(navlist, loclist, gslist, dmelist, tacanlist, carrierlist, channellist) ) {
995 SG_LOG( SG_GENERAL, SG_ALERT,
996 "Problems loading one or more navigational database" );
999 SG_LOG(SG_GENERAL, SG_INFO, " Fixes");
1000 SGPath p_fix( globals->get_fg_root() );
1001 p_fix.append( "Navaids/fix.dat" );
1003 fixlist.init( p_fix ); // adds fixes to the DB in positioned.cxx
1005 SG_LOG(SG_GENERAL, SG_INFO, " Airways");
1006 SGPath p_awy( globals->get_fg_root() );
1007 p_awy.append( "Navaids/awy.dat" );
1008 FGAirwayNetwork *awyNet = new FGAirwayNetwork;
1009 //cerr << "Loading Airways" << endl;
1010 awyNet->load (p_awy );
1012 //cerr << "initializing airways" << endl;
1013 globals->set_airwaynet( awyNet );
1019 // Set the initial position based on presets (or defaults)
1020 bool fgInitPosition() {
1021 // cout << "fgInitPosition()" << endl;
1022 double gs = fgGetDouble("/sim/presets/glideslope-deg")
1023 * SG_DEGREES_TO_RADIANS ;
1024 double od = fgGetDouble("/sim/presets/offset-distance-nm");
1025 double alt = fgGetDouble("/sim/presets/altitude-ft");
1027 bool set_pos = false;
1029 // If glideslope is specified, then calculate offset-distance or
1030 // altitude relative to glide slope if either of those was not
1032 if ( fabs( gs ) > 0.01 ) {
1033 fgSetDistOrAltFromGlideSlope();
1037 // If we have an explicit, in-range lon/lat, don't change it, just use it.
1038 // If not, check for an airport-id and use that.
1039 // If not, default to the middle of the KSFO field.
1040 // The default values for lon/lat are deliberately out of range
1041 // so that the airport-id can take effect; valid lon/lat will
1042 // override airport-id, however.
1043 double lon_deg = fgGetDouble("/sim/presets/longitude-deg");
1044 double lat_deg = fgGetDouble("/sim/presets/latitude-deg");
1045 if ( lon_deg >= -180.0 && lon_deg <= 180.0
1046 && lat_deg >= -90.0 && lat_deg <= 90.0 )
1051 string apt = fgGetString("/sim/presets/airport-id");
1052 string rwy_no = fgGetString("/sim/presets/runway");
1053 bool rwy_req = fgGetBool("/sim/presets/runway-requested");
1054 string vor = fgGetString("/sim/presets/vor-id");
1055 double vor_freq = fgGetDouble("/sim/presets/vor-freq");
1056 string ndb = fgGetString("/sim/presets/ndb-id");
1057 double ndb_freq = fgGetDouble("/sim/presets/ndb-freq");
1058 string carrier = fgGetString("/sim/presets/carrier");
1059 string parkpos = fgGetString("/sim/presets/parkpos");
1060 string fix = fgGetString("/sim/presets/fix");
1061 SGPropertyNode *hdg_preset = fgGetNode("/sim/presets/heading-deg", true);
1062 double hdg = hdg_preset->getDoubleValue();
1064 // save some start parameters, so that we can later say what the
1065 // user really requested. TODO generalize that and move it to options.cxx
1066 static bool start_options_saved = false;
1067 if (!start_options_saved) {
1068 start_options_saved = true;
1069 SGPropertyNode *opt = fgGetNode("/sim/startup/options", true);
1071 opt->setDoubleValue("latitude-deg", lat_deg);
1072 opt->setDoubleValue("longitude-deg", lon_deg);
1073 opt->setDoubleValue("heading-deg", hdg);
1074 opt->setStringValue("airport", apt.c_str());
1075 opt->setStringValue("runway", rwy_no.c_str());
1079 hdg = fgGetDouble("/environment/config/boundary/entry/wind-from-heading-deg", 270);
1081 if ( !set_pos && !apt.empty() && !parkpos.empty() ) {
1082 // An airport + parking position is requested
1083 if ( fgSetPosFromAirportIDandParkpos( apt, parkpos ) ) {
1084 // set tower position
1085 fgSetString("/sim/tower/airport-id", apt.c_str());
1090 if ( !set_pos && !apt.empty() && !rwy_no.empty() ) {
1091 // An airport + runway is requested
1092 if ( fgSetPosFromAirportIDandRwy( apt, rwy_no, rwy_req ) ) {
1093 // set tower position (a little off the heading for single
1095 fgSetString("/sim/tower/airport-id", apt.c_str());
1100 if ( !set_pos && !apt.empty() ) {
1101 // An airport is requested (find runway closest to hdg)
1102 if ( fgSetPosFromAirportIDandHdg( apt, hdg ) ) {
1103 // set tower position (a little off the heading for single
1105 fgSetString("/sim/tower/airport-id", apt.c_str());
1110 if (hdg_preset->getDoubleValue() > 9990.0)
1111 hdg_preset->setDoubleValue(hdg);
1113 if ( !set_pos && !vor.empty() ) {
1114 // a VOR is requested
1115 if ( fgSetPosFromNAV( vor, vor_freq ) ) {
1120 if ( !set_pos && !ndb.empty() ) {
1121 // an NDB is requested
1122 if ( fgSetPosFromNAV( ndb, ndb_freq ) ) {
1127 if ( !set_pos && !carrier.empty() ) {
1128 // an aircraft carrier is requested
1129 if ( fgSetPosFromCarrier( carrier, parkpos ) ) {
1134 if ( !set_pos && !fix.empty() ) {
1135 // a Fix is requested
1136 if ( fgSetPosFromFix( fix ) ) {
1142 // No lon/lat specified, no airport specified, default to
1143 // middle of KSFO field.
1144 fgSetDouble("/sim/presets/longitude-deg", -122.374843);
1145 fgSetDouble("/sim/presets/latitude-deg", 37.619002);
1148 fgSetDouble( "/position/longitude-deg",
1149 fgGetDouble("/sim/presets/longitude-deg") );
1150 fgSetDouble( "/position/latitude-deg",
1151 fgGetDouble("/sim/presets/latitude-deg") );
1152 fgSetDouble( "/orientation/heading-deg", hdg_preset->getDoubleValue());
1154 // determine if this should be an on-ground or in-air start
1155 if ((fabs(gs) > 0.01 || fabs(od) > 0.1 || alt > 0.1) && carrier.empty()) {
1156 fgSetBool("/sim/presets/onground", false);
1158 fgSetBool("/sim/presets/onground", true);
1165 // General house keeping initializations
1166 bool fgInitGeneral() {
1169 SG_LOG( SG_GENERAL, SG_INFO, "General Initialization" );
1170 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
1172 root = globals->get_fg_root();
1173 if ( ! root.length() ) {
1174 // No root path set? Then bail ...
1175 SG_LOG( SG_GENERAL, SG_ALERT,
1176 "Cannot continue without a path to the base package "
1177 << "being defined." );
1180 SG_LOG( SG_GENERAL, SG_INFO, "FG_ROOT = " << '"' << root << '"' << endl );
1182 globals->set_browser(fgGetString("/sim/startup/browser-app", "firefox %u"));
1184 char buf[512], *cwd = getcwd(buf, 511);
1186 SGPropertyNode *curr = fgGetNode("/sim", true);
1187 curr->removeChild("fg-current", 0, false);
1188 curr = curr->getChild("fg-current", 0, true);
1189 curr->setStringValue(cwd ? cwd : "");
1190 curr->setAttribute(SGPropertyNode::WRITE, false);
1192 fgSetBool("/sim/startup/stdout-to-terminal", isatty(1));
1193 fgSetBool("/sim/startup/stderr-to-terminal", isatty(2));
1197 // Initialize view parameters
1199 // force update of model so that viewer can get some data...
1200 globals->get_aircraft_model()->update(0);
1201 // run update for current view so that data is current...
1202 globals->get_viewmgr()->update(0);
1206 SGTime *fgInitTime() {
1208 static const SGPropertyNode *longitude
1209 = fgGetNode("/position/longitude-deg");
1210 static const SGPropertyNode *latitude
1211 = fgGetNode("/position/latitude-deg");
1212 static const SGPropertyNode *cur_time_override
1213 = fgGetNode("/sim/time/cur-time-override", true);
1215 SGPath zone( globals->get_fg_root() );
1216 zone.append( "Timezone" );
1217 SGTime *t = new SGTime( longitude->getDoubleValue()
1218 * SGD_DEGREES_TO_RADIANS,
1219 latitude->getDoubleValue()
1220 * SGD_DEGREES_TO_RADIANS,
1222 cur_time_override->getLongValue() );
1224 globals->set_warp_delta( 0 );
1226 t->update( 0.0, 0.0,
1227 cur_time_override->getLongValue(),
1228 globals->get_warp() );
1234 // set up a time offset (aka warp) if one is specified
1235 void fgInitTimeOffset() {
1236 static const SGPropertyNode *longitude
1237 = fgGetNode("/position/longitude-deg");
1238 static const SGPropertyNode *latitude
1239 = fgGetNode("/position/latitude-deg");
1240 static const SGPropertyNode *cur_time_override
1241 = fgGetNode("/sim/time/cur-time-override", true);
1243 // Handle potential user specified time offsets
1244 int orig_warp = globals->get_warp();
1245 SGTime *t = globals->get_time_params();
1246 time_t cur_time = t->get_cur_time();
1247 time_t currGMT = sgTimeGetGMT( gmtime(&cur_time) );
1248 time_t systemLocalTime = sgTimeGetGMT( localtime(&cur_time) );
1249 time_t aircraftLocalTime =
1250 sgTimeGetGMT( fgLocaltime(&cur_time, t->get_zonename() ) );
1252 // Okay, we now have several possible scenarios
1253 int offset = fgGetInt("/sim/startup/time-offset");
1254 string offset_type = fgGetString("/sim/startup/time-offset-type");
1257 if ( offset_type == "real" ) {
1259 } else if ( offset_type == "dawn" ) {
1260 warp = fgTimeSecondsUntilSunAngle( cur_time,
1261 longitude->getDoubleValue()
1262 * SGD_DEGREES_TO_RADIANS,
1263 latitude->getDoubleValue()
1264 * SGD_DEGREES_TO_RADIANS,
1266 } else if ( offset_type == "morning" ) {
1267 warp = fgTimeSecondsUntilSunAngle( cur_time,
1268 longitude->getDoubleValue()
1269 * SGD_DEGREES_TO_RADIANS,
1270 latitude->getDoubleValue()
1271 * SGD_DEGREES_TO_RADIANS,
1273 } else if ( offset_type == "noon" ) {
1274 warp = fgTimeSecondsUntilSunAngle( cur_time,
1275 longitude->getDoubleValue()
1276 * SGD_DEGREES_TO_RADIANS,
1277 latitude->getDoubleValue()
1278 * SGD_DEGREES_TO_RADIANS,
1280 } else if ( offset_type == "afternoon" ) {
1281 warp = fgTimeSecondsUntilSunAngle( cur_time,
1282 longitude->getDoubleValue()
1283 * SGD_DEGREES_TO_RADIANS,
1284 latitude->getDoubleValue()
1285 * SGD_DEGREES_TO_RADIANS,
1287 } else if ( offset_type == "dusk" ) {
1288 warp = fgTimeSecondsUntilSunAngle( cur_time,
1289 longitude->getDoubleValue()
1290 * SGD_DEGREES_TO_RADIANS,
1291 latitude->getDoubleValue()
1292 * SGD_DEGREES_TO_RADIANS,
1294 } else if ( offset_type == "evening" ) {
1295 warp = fgTimeSecondsUntilSunAngle( cur_time,
1296 longitude->getDoubleValue()
1297 * SGD_DEGREES_TO_RADIANS,
1298 latitude->getDoubleValue()
1299 * SGD_DEGREES_TO_RADIANS,
1301 } else if ( offset_type == "midnight" ) {
1302 warp = fgTimeSecondsUntilSunAngle( cur_time,
1303 longitude->getDoubleValue()
1304 * SGD_DEGREES_TO_RADIANS,
1305 latitude->getDoubleValue()
1306 * SGD_DEGREES_TO_RADIANS,
1308 } else if ( offset_type == "system-offset" ) {
1311 } else if ( offset_type == "gmt-offset" ) {
1312 warp = offset - (currGMT - systemLocalTime);
1314 } else if ( offset_type == "latitude-offset" ) {
1315 warp = offset - (aircraftLocalTime - systemLocalTime);
1317 } else if ( offset_type == "system" ) {
1318 warp = offset - (systemLocalTime - currGMT) - cur_time;
1319 } else if ( offset_type == "gmt" ) {
1320 warp = offset - cur_time;
1321 } else if ( offset_type == "latitude" ) {
1322 warp = offset - (aircraftLocalTime - currGMT)- cur_time;
1324 SG_LOG( SG_GENERAL, SG_ALERT,
1325 "FG_TIME::Unsupported offset type " << offset_type );
1328 globals->set_warp( orig_warp + warp );
1329 t->update( longitude->getDoubleValue() * SGD_DEGREES_TO_RADIANS,
1330 latitude->getDoubleValue() * SGD_DEGREES_TO_RADIANS,
1331 cur_time_override->getLongValue(),
1332 globals->get_warp() );
1334 SG_LOG( SG_GENERAL, SG_INFO, "After fgInitTimeOffset(): warp = "
1335 << globals->get_warp() );
1339 // This is the top level init routine which calls all the other
1340 // initialization routines. If you are adding a subsystem to flight
1341 // gear, its initialization call should located in this routine.
1342 // Returns non-zero if a problem encountered.
1343 bool fgInitSubsystems() {
1344 // static const SGPropertyNode *longitude
1345 // = fgGetNode("/sim/presets/longitude-deg");
1346 // static const SGPropertyNode *latitude
1347 // = fgGetNode("/sim/presets/latitude-deg");
1348 // static const SGPropertyNode *altitude
1349 // = fgGetNode("/sim/presets/altitude-ft");
1351 SG_LOG( SG_GENERAL, SG_INFO, "Initialize Subsystems");
1352 SG_LOG( SG_GENERAL, SG_INFO, "========== ==========");
1354 ////////////////////////////////////////////////////////////////////
1355 // Initialize the event manager subsystem.
1356 ////////////////////////////////////////////////////////////////////
1358 globals->get_event_mgr()->init();
1359 globals->get_event_mgr()->setRealtimeProperty(fgGetNode("/sim/time/delta-realtime-sec", true));
1361 ////////////////////////////////////////////////////////////////////
1362 // Initialize the property interpolator subsystem. Put into the INIT
1363 // group because the "nasal" subsystem may need it at GENERAL take-down.
1364 ////////////////////////////////////////////////////////////////////
1365 globals->add_subsystem("interpolator", new SGInterpolator, SGSubsystemMgr::INIT);
1368 ////////////////////////////////////////////////////////////////////
1369 // Add the FlightGear property utilities.
1370 ////////////////////////////////////////////////////////////////////
1371 globals->add_subsystem("properties", new FGProperties);
1373 ////////////////////////////////////////////////////////////////////
1374 // Initialize the material property subsystem.
1375 ////////////////////////////////////////////////////////////////////
1377 SGPath mpath( globals->get_fg_root() );
1378 mpath.append( "materials.xml" );
1379 if ( ! globals->get_matlib()->load(globals->get_fg_root(), mpath.str(),
1380 globals->get_props()) ) {
1381 SG_LOG( SG_GENERAL, SG_ALERT, "Error loading material lib!" );
1386 ////////////////////////////////////////////////////////////////////
1387 // Initialize the scenery management subsystem.
1388 ////////////////////////////////////////////////////////////////////
1390 if ( globals->get_tile_mgr()->init() ) {
1391 // Load the local scenery data
1392 double visibility_meters = fgGetDouble("/environment/visibility-m");
1394 globals->get_tile_mgr()->update( visibility_meters );
1396 SG_LOG( SG_GENERAL, SG_ALERT, "Error in Tile Manager initialization!" );
1400 globals->get_scenery()->get_scene_graph()
1401 ->addChild(simgear::Particles::getCommonRoot());
1402 simgear::GlobalParticleCallback::setSwitch(fgGetNode("/sim/rendering/particles", true));
1404 ////////////////////////////////////////////////////////////////////
1405 // Initialize the flight model subsystem.
1406 ////////////////////////////////////////////////////////////////////
1408 globals->add_subsystem("flight", new FDMShell, SGSubsystemMgr::FDM);
1410 ////////////////////////////////////////////////////////////////////
1411 // Initialize the weather subsystem.
1412 ////////////////////////////////////////////////////////////////////
1414 // Initialize the weather modeling subsystem
1415 globals->add_subsystem("environment", new FGEnvironmentMgr);
1417 ////////////////////////////////////////////////////////////////////
1418 // Initialize the ridge lift simulation.
1419 ////////////////////////////////////////////////////////////////////
1421 // Initialize the ridgelift subsystem
1422 globals->add_subsystem("ridgelift", new FGRidgeLift);
1424 ////////////////////////////////////////////////////////////////////
1425 // Initialize the aircraft systems and instrumentation (before the
1427 ////////////////////////////////////////////////////////////////////
1429 globals->add_subsystem("instrumentation", new FGInstrumentMgr, SGSubsystemMgr::FDM);
1430 globals->add_subsystem("systems", new FGSystemMgr, SGSubsystemMgr::FDM);
1432 ////////////////////////////////////////////////////////////////////
1433 // Initialize the XML Autopilot subsystem.
1434 ////////////////////////////////////////////////////////////////////
1436 globals->add_subsystem( "xml-autopilot", new FGXMLAutopilotGroup, SGSubsystemMgr::FDM );
1437 globals->add_subsystem( "route-manager", new FGRouteMgr );
1439 ////////////////////////////////////////////////////////////////////
1440 // Initialize the view manager subsystem.
1441 ////////////////////////////////////////////////////////////////////
1445 ////////////////////////////////////////////////////////////////////
1446 // Initialize the Input-Output subsystem
1447 ////////////////////////////////////////////////////////////////////
1448 globals->add_subsystem( "io", new FGIO );
1450 ////////////////////////////////////////////////////////////////////
1451 // Create and register the logger.
1452 ////////////////////////////////////////////////////////////////////
1454 globals->add_subsystem("logger", new FGLogger);
1456 ////////////////////////////////////////////////////////////////////
1457 // Create and register the XML GUI.
1458 ////////////////////////////////////////////////////////////////////
1460 globals->add_subsystem("gui", new NewGUI, SGSubsystemMgr::INIT);
1463 ////////////////////////////////////////////////////////////////////
1464 // Initialize the local time subsystem.
1465 ////////////////////////////////////////////////////////////////////
1467 // update the current timezone each 30 minutes
1468 globals->get_event_mgr()->addTask( "fgUpdateLocalTime()",
1469 &fgUpdateLocalTime, 30*60 );
1470 fgInitTimeOffset(); // the environment subsystem needs this
1473 ////////////////////////////////////////////////////////////////////
1474 // Initialize the lighting subsystem.
1475 ////////////////////////////////////////////////////////////////////
1477 globals->add_subsystem("lighting", new FGLight);
1479 //////////////////////////////////////////////////////////////////////
1480 // Initialize the 2D cloud subsystem.
1481 ////////////////////////////////////////////////////////////////////
1482 fgGetBool("/sim/rendering/bump-mapping", false);
1484 #ifdef ENABLE_AUDIO_SUPPORT
1485 ////////////////////////////////////////////////////////////////////
1486 // Initialize the sound-effects subsystem.
1487 ////////////////////////////////////////////////////////////////////
1488 globals->add_subsystem("voice", new FGVoiceMgr);
1491 ////////////////////////////////////////////////////////////////////
1492 // Initialise the ATC Manager
1493 ////////////////////////////////////////////////////////////////////
1496 SG_LOG(SG_GENERAL, SG_INFO, " ATC Manager");
1497 globals->set_ATC_mgr(new FGATCMgr);
1498 globals->get_ATC_mgr()->init();
1500 ////////////////////////////////////////////////////////////////////
1501 // Initialise the AI Manager
1502 ////////////////////////////////////////////////////////////////////
1504 SG_LOG(SG_GENERAL, SG_INFO, " AI Manager");
1505 globals->set_AI_mgr(new FGAIMgr);
1506 globals->get_AI_mgr()->init();
1508 ////////////////////////////////////////////////////////////////////
1509 // Initialise the AI Model Manager
1510 ////////////////////////////////////////////////////////////////////
1511 SG_LOG(SG_GENERAL, SG_INFO, " AI Model Manager");
1512 globals->add_subsystem("ai_model", new FGAIManager);
1513 globals->add_subsystem("submodel_mgr", new FGSubmodelMgr);
1516 // It's probably a good idea to initialize the top level traffic manager
1517 // After the AI and ATC systems have been initialized properly.
1518 // AI Traffic manager
1519 globals->add_subsystem("Traffic Manager", new FGTrafficManager);
1522 if( fgCockpitInit()) {
1523 // Cockpit initialized ok.
1525 SG_LOG( SG_GENERAL, SG_ALERT, "Error in Cockpit initialization!" );
1530 ////////////////////////////////////////////////////////////////////
1531 // Add a new 2D panel.
1532 ////////////////////////////////////////////////////////////////////
1534 string panel_path = fgGetString("/sim/panel/path",
1535 "Panels/Default/default.xml");
1537 globals->set_current_panel( fgReadPanel(panel_path) );
1538 if (globals->get_current_panel() == 0) {
1539 SG_LOG( SG_INPUT, SG_ALERT,
1540 "Error reading new panel from " << panel_path );
1542 SG_LOG( SG_INPUT, SG_INFO, "Loaded new panel from " << panel_path );
1543 globals->get_current_panel()->init();
1544 globals->get_current_panel()->bind();
1548 ////////////////////////////////////////////////////////////////////
1549 // Initialize the controls subsystem.
1550 ////////////////////////////////////////////////////////////////////
1552 globals->get_controls()->init();
1553 globals->get_controls()->bind();
1556 ////////////////////////////////////////////////////////////////////
1557 // Initialize the input subsystem.
1558 ////////////////////////////////////////////////////////////////////
1560 globals->add_subsystem("input", new FGInput);
1563 ////////////////////////////////////////////////////////////////////
1564 // Initialize the replay subsystem
1565 ////////////////////////////////////////////////////////////////////
1566 globals->add_subsystem("replay", new FGReplay);
1569 ////////////////////////////////////////////////////////////////////
1570 // Bind and initialize subsystems.
1571 ////////////////////////////////////////////////////////////////////
1573 globals->get_subsystem_mgr()->bind();
1574 globals->get_subsystem_mgr()->init();
1576 ////////////////////////////////////////////////////////////////////
1577 // Initialize multiplayer subsystem
1578 ////////////////////////////////////////////////////////////////////
1580 globals->set_multiplayer_mgr(new FGMultiplayMgr);
1581 globals->get_multiplayer_mgr()->init();
1583 ////////////////////////////////////////////////////////////////////////
1584 // Initialize the Nasal interpreter.
1585 // Do this last, so that the loaded scripts see initialized state
1586 ////////////////////////////////////////////////////////////////////////
1587 FGNasalSys* nasal = new FGNasalSys();
1588 globals->add_subsystem("nasal", nasal, SGSubsystemMgr::INIT);
1591 // initialize methods that depend on other subsystems.
1592 globals->get_subsystem_mgr()->postinit();
1594 ////////////////////////////////////////////////////////////////////////
1595 // End of subsystem initialization.
1596 ////////////////////////////////////////////////////////////////////
1598 SG_LOG( SG_GENERAL, SG_INFO, endl);
1600 // Save the initial state for future
1602 globals->saveInitialState();
1608 void fgReInitSubsystems()
1610 // static const SGPropertyNode *longitude
1611 // = fgGetNode("/sim/presets/longitude-deg");
1612 // static const SGPropertyNode *latitude
1613 // = fgGetNode("/sim/presets/latitude-deg");
1614 static const SGPropertyNode *altitude
1615 = fgGetNode("/sim/presets/altitude-ft");
1616 static const SGPropertyNode *master_freeze
1617 = fgGetNode("/sim/freeze/master");
1619 SG_LOG( SG_GENERAL, SG_INFO,
1620 "fgReInitSubsystems(): /position/altitude = "
1621 << altitude->getDoubleValue() );
1623 bool freeze = master_freeze->getBoolValue();
1625 fgSetBool("/sim/freeze/master", true);
1627 fgSetBool("/sim/crashed", false);
1629 // Force reupdating the positions of the ai 3d models. They are used for
1630 // initializing ground level for the FDM.
1631 globals->get_subsystem("ai_model")->reinit();
1633 // Initialize the FDM
1634 globals->get_subsystem("flight")->reinit();
1636 // reload offsets from config defaults
1637 globals->get_viewmgr()->reinit();
1641 globals->get_controls()->reset_all();
1643 fgUpdateLocalTime();
1645 // re-init to proper time of day setting
1649 fgSetBool("/sim/freeze/master", false);
1651 fgSetBool("/sim/sceneryloaded",false);
1655 void doSimulatorReset(void) // from gui_local.cxx -- TODO merge with fgReInitSubsystems()
1657 static SGPropertyNode_ptr master_freeze = fgGetNode("/sim/freeze/master", true);
1659 bool freeze = master_freeze->getBoolValue();
1661 master_freeze->setBoolValue(true);
1663 fgSetBool("/sim/signals/reinit", true);
1665 globals->get_subsystem("flight")->unbind();
1667 // in case user has changed window size as
1668 // restoreInitialState() overwrites these
1669 int xsize = fgGetInt("/sim/startup/xsize");
1670 int ysize = fgGetInt("/sim/startup/ysize");
1672 // viewports also needs to be saved/restored as
1673 // restoreInitialState() overwrites these
1674 SGPropertyNode *guiNode = new SGPropertyNode;
1675 SGPropertyNode *cameraNode = new SGPropertyNode;
1676 SGPropertyNode *cameraGroupNode = fgGetNode("/sim/rendering/camera-group");
1677 copyProperties(cameraGroupNode->getChild("camera"), cameraNode);
1678 copyProperties(cameraGroupNode->getChild("gui"), guiNode);
1680 globals->restoreInitialState();
1682 // update our position based on current presets
1685 // We don't know how to resize the window, so keep the last values
1686 // for xsize and ysize, and don't use the one set initially
1687 fgSetInt("/sim/startup/xsize", xsize);
1688 fgSetInt("/sim/startup/ysize", ysize);
1690 copyProperties(cameraNode, cameraGroupNode->getChild("camera"));
1691 copyProperties(guiNode, cameraGroupNode->getChild("gui"));
1696 SGTime *t = globals->get_time_params();
1699 globals->set_time_params(t);
1701 fgReInitSubsystems();
1703 globals->get_tile_mgr()->update(fgGetDouble("/environment/visibility-m"));
1704 globals->get_renderer()->resize(xsize, ysize);
1705 fgSetBool("/sim/signals/reinit", false);
1708 master_freeze->setBoolValue(false);