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()
35 #if defined( _MSC_VER) || defined(__MINGW32__)
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/aircraft.hxx>
68 #include <Aircraft/controls.hxx>
69 #include <Aircraft/replay.hxx>
70 #include <Airports/apt_loader.hxx>
71 #include <Airports/runways.hxx>
72 #include <Airports/simple.hxx>
73 #include <Airports/dynamics.hxx>
75 #include <AIModel/AIManager.hxx>
76 #include <ATCDCL/ATCmgr.hxx>
77 #include <ATCDCL/AIMgr.hxx>
78 #include <Autopilot/route_mgr.hxx>
79 #include <Autopilot/xmlauto.hxx>
80 #include <Autopilot/autobrake.hxx>
82 #include <Cockpit/cockpit.hxx>
83 #include <Cockpit/panel.hxx>
84 #include <Cockpit/panel_io.hxx>
86 #include <FDM/SP/ADA.hxx>
87 #include <FDM/SP/ACMS.hxx>
88 #include <FDM/SP/MagicCarpet.hxx>
89 #include <FDM/SP/Balloon.h>
91 #include <FDM/ExternalNet/ExternalNet.hxx>
92 #include <FDM/ExternalPipe/ExternalPipe.hxx>
93 #include <FDM/JSBSim/JSBSim.hxx>
94 #include <FDM/LaRCsim/LaRCsim.hxx>
95 #include <FDM/UFO.hxx>
96 #include <FDM/NullFDM.hxx>
97 #include <FDM/YASim/YASim.hxx>
98 #include <GUI/new_gui.hxx>
99 #include <Include/general.hxx>
100 #include <Input/input.hxx>
101 #include <Instrumentation/instrument_mgr.hxx>
102 #include <Model/acmodel.hxx>
103 #include <AIModel/submodel.hxx>
104 #include <AIModel/AIManager.hxx>
105 #include <Navaids/navdb.hxx>
106 #include <Navaids/navlist.hxx>
107 #include <Navaids/fix.hxx>
108 #include <Navaids/fixlist.hxx>
109 #include <Scenery/scenery.hxx>
110 #include <Scenery/tilemgr.hxx>
111 #include <Scripting/NasalSys.hxx>
112 #include <Sound/voice.hxx>
113 #include <Systems/system_mgr.hxx>
114 #include <Time/light.hxx>
115 #include <Time/sunsolver.hxx>
116 #include <Time/tmp.hxx>
117 #include <Traffic/TrafficMgr.hxx>
118 #include <MultiPlayer/multiplaymgr.hxx>
120 #include <Environment/environment_mgr.hxx>
121 #include <Environment/ridge_lift.hxx>
123 #include "fg_init.hxx"
125 #include "fg_commands.hxx"
126 #include "fg_props.hxx"
127 #include "options.hxx"
128 #include "globals.hxx"
129 #include "logger.hxx"
130 #include "renderer.hxx"
131 #include "viewmgr.hxx"
133 #include "ATCDCL/commlist.hxx"
136 # include <CoreFoundation/CoreFoundation.h>
140 using namespace boost::algorithm;
142 extern const char *default_root;
145 // Scan the command line options for the specified option and return
147 static string fgScanForOption( const string& option, int argc, char **argv ) {
150 if (hostname == NULL)
153 gethostname(_hostname, 256);
154 hostname = strdup(_hostname);
155 free_hostname = true;
158 SG_LOG(SG_GENERAL, SG_INFO, "Scanning command line for: " << option );
160 int len = option.length();
163 SG_LOG( SG_GENERAL, SG_DEBUG, "argv[" << i << "] = " << argv[i] );
165 string arg = argv[i];
166 if ( arg.find( option ) == 0 ) {
167 return arg.substr( len );
177 // Scan the user config files for the specified option and return
179 static string fgScanForOption( const string& option, const string& path ) {
180 sg_gzifstream in( path );
181 if ( !in.is_open() ) {
185 SG_LOG( SG_GENERAL, SG_INFO, "Scanning " << path << " for: " << option );
187 int len = option.length();
190 while ( ! in.eof() ) {
192 getline( in, line, '\n' );
194 // catch extraneous (DOS) line ending character
195 if ( line[line.length() - 1] < 32 ) {
196 line = line.substr( 0, line.length()-1 );
199 if ( line.find( option ) == 0 ) {
200 return line.substr( len );
209 // Scan the user config files for the specified option and return
211 static string fgScanForOption( const string& option ) {
214 #if defined( unix ) || defined( __CYGWIN__ )
215 // Next check home directory for .fgfsrc.hostname file
217 if ( homedir != NULL ) {
218 SGPath config( homedir );
219 config.append( ".fgfsrc" );
220 config.concat( "." );
221 config.concat( hostname );
222 arg = fgScanForOption( option, config.str() );
227 // Next check home directory for .fgfsrc file
229 if ( homedir != NULL ) {
230 SGPath config( homedir );
231 config.append( ".fgfsrc" );
232 arg = fgScanForOption( option, config.str() );
237 // Check for $fg_root/system.fgfsrc
238 SGPath config( globals->get_fg_root() );
239 config.append( "system.fgfsrc" );
240 arg = fgScanForOption( option, config.str() );
247 // Read in configuration (files and command line options) but only set
249 bool fgInitFGRoot ( int argc, char **argv ) {
252 // First parse command line options looking for --fg-root=, this
253 // will override anything specified in a config file
254 root = fgScanForOption( "--fg-root=", argc, argv);
256 // Check in one of the user configuration files.
258 root = fgScanForOption( "--fg-root=" );
260 // Next check if fg-root is set as an env variable
261 if ( root.empty() ) {
262 char *envp = ::getenv( "FG_ROOT" );
263 if ( envp != NULL ) {
268 // Otherwise, default to a random compiled-in location if we can't
269 // find fg-root any other way.
270 if ( root.empty() ) {
271 #if defined( __CYGWIN__ )
272 root = "/FlightGear";
273 #elif defined( WIN32 )
274 root = "\\FlightGear";
275 #elif defined(__APPLE__)
277 The following code looks for the base package inside the application
278 bundle, in the standard Contents/Resources location.
280 CFURLRef resourcesUrl = CFBundleCopyResourcesDirectoryURL(CFBundleGetMainBundle());
282 // look for a 'data' subdir
283 CFURLRef dataDir = CFURLCreateCopyAppendingPathComponent(NULL, resourcesUrl, CFSTR("data"), true);
285 // now convert down to a path, and the a c-string
286 CFStringRef path = CFURLCopyFileSystemPath(dataDir, kCFURLPOSIXPathStyle);
287 root = CFStringGetCStringPtr(path, CFStringGetSystemEncoding());
289 CFRelease(resourcesUrl);
297 SG_LOG(SG_INPUT, SG_INFO, "fg_root = " << root );
298 globals->set_fg_root(root);
304 // Read in configuration (files and command line options) but only set
306 bool fgInitFGAircraft ( int argc, char **argv ) {
309 // First parse command line options looking for --aircraft=, this
310 // will override anything specified in a config file
311 aircraft = fgScanForOption( "--aircraft=", argc, argv );
312 if ( aircraft.empty() ) {
313 // check synonym option
314 aircraft = fgScanForOption( "--vehicle=", argc, argv );
317 // Check in one of the user configuration files.
318 if ( aircraft.empty() ) {
319 aircraft = fgScanForOption( "--aircraft=" );
321 if ( aircraft.empty() ) {
322 aircraft = fgScanForOption( "--vehicle=" );
325 // if an aircraft was specified, set the property name
326 if ( !aircraft.empty() ) {
327 SG_LOG(SG_INPUT, SG_INFO, "aircraft = " << aircraft );
328 fgSetString("/sim/aircraft", aircraft.c_str() );
330 SG_LOG(SG_INPUT, SG_INFO, "No user specified aircraft, using default" );
337 // Return the current base package version
338 string fgBasePackageVersion() {
339 SGPath base_path( globals->get_fg_root() );
340 base_path.append("version");
342 sg_gzifstream in( base_path.str() );
343 if ( !in.is_open() ) {
344 SGPath old_path( globals->get_fg_root() );
345 old_path.append( "Thanks" );
346 sg_gzifstream old( old_path.str() );
347 if ( !old.is_open() ) {
350 return "[old version]";
361 // Initialize the localization
362 SGPropertyNode *fgInitLocale(const char *language) {
363 SGPropertyNode *c_node = NULL, *d_node = NULL;
364 SGPropertyNode *intl = fgGetNode("/sim/intl");
366 SG_LOG(SG_GENERAL, SG_INFO, "Selecting language: " << language );
368 // localization not defined
373 // Select the proper language from the list
375 vector<SGPropertyNode_ptr> locale = intl->getChildren("locale");
376 for (unsigned int i = 0; i < locale.size(); i++) {
378 vector<SGPropertyNode_ptr> lang = locale[i]->getChildren("lang");
379 for (unsigned int j = 0; j < lang.size(); j++) {
381 if (!strcmp(lang[j]->getStringValue(), language)) {
390 d_node = intl->getChild("locale");
394 // Check for localized font
395 SGPropertyNode *font_n = c_node->getNode("font", true);
396 if ( !strcmp(font_n->getStringValue(), "") )
397 font_n->setStringValue(d_node->getStringValue("font", "typewriter.txf"));
401 // Load the default strings
403 SGPath d_path( globals->get_fg_root() );
405 const char *d_path_str = d_node->getStringValue("strings");
407 SG_LOG(SG_GENERAL, SG_ALERT, "No path in " << d_node->getPath() << "/strings.");
411 d_path.append(d_path_str);
412 SG_LOG(SG_GENERAL, SG_INFO, "Reading localized strings from " << d_path.str());
414 SGPropertyNode *strings = c_node->getNode("strings");
416 readProperties(d_path.str(), strings);
417 } catch (const sg_exception &) {
418 SG_LOG(SG_GENERAL, SG_ALERT, "Unable to read the localized strings");
423 // Load the language specific strings
425 if (c_node != d_node) {
426 SGPath c_path( globals->get_fg_root() );
428 const char *c_path_str = c_node->getStringValue("strings");
430 SG_LOG(SG_GENERAL, SG_ALERT, "No path in " << c_node->getPath() << "/strings");
434 c_path.append(c_path_str);
435 SG_LOG(SG_GENERAL, SG_INFO, "Reading localized strings from " << c_path.str());
438 readProperties(c_path.str(), strings);
439 } catch (const sg_exception &) {
440 SG_LOG(SG_GENERAL, SG_ALERT,
441 "Unable to read the localized strings from " << c_path.str());
451 // Initialize the localization routines
452 bool fgDetectLanguage() {
453 const char *language = ::getenv("LANG");
455 if (language == NULL) {
456 SG_LOG(SG_GENERAL, SG_INFO, "Unable to detect the language" );
460 SGPropertyNode *locale = fgInitLocale(language);
462 SG_LOG(SG_GENERAL, SG_ALERT,
463 "No internationalization settings specified in preferences.xml" );
468 globals->set_locale( locale );
473 // Attempt to locate and parse the various non-XML config files in order
474 // from least precidence to greatest precidence
476 do_options (int argc, char ** argv)
478 // Check for $fg_root/system.fgfsrc
479 SGPath config( globals->get_fg_root() );
480 config.append( "system.fgfsrc" );
481 fgParseOptions(config.str());
483 #if defined( unix ) || defined( __CYGWIN__ )
484 config.concat( "." );
485 config.concat( hostname );
486 fgParseOptions(config.str());
489 // Check for ~/.fgfsrc
490 if ( homedir != NULL ) {
491 config.set( homedir );
492 config.append( ".fgfsrc" );
493 fgParseOptions(config.str());
496 #if defined( unix ) || defined( __CYGWIN__ )
497 // Check for ~/.fgfsrc.hostname
498 config.concat( "." );
499 config.concat( hostname );
500 fgParseOptions(config.str());
503 // Parse remaining command line options
504 // These will override anything specified in a config file
505 fgParseArgs(argc, argv);
509 static string fgFindAircraftPath( const SGPath &path, const string &aircraft,
510 SGPropertyNode *cache, int depth = 0 )
512 const int MAXDEPTH = 1;
515 ulDir *dirp = ulOpenDir(path.str().c_str());
517 cerr << "Unable to open aircraft directory '" << path.str() << '\'' << endl;
522 while ((dire = ulReadDir(dirp)) != NULL) {
524 if (depth > MAXDEPTH)
527 if (!strcmp("CVS", dire->d_name) || !strcmp(".", dire->d_name)
528 || !strcmp("..", dire->d_name) || !strcmp("AI", dire->d_name))
532 next.append(dire->d_name);
534 result = fgFindAircraftPath( next, aircraft, cache, depth + 1 );
535 if ( ! result.empty() )
539 int len = strlen(dire->d_name);
540 if (len < 9 || strcmp(dire->d_name + len - 8, "-set.xml"))
546 if (!cache->getChild("aircraft", i++, false))
549 SGPropertyNode *n, *entry = cache->getChild("aircraft", --i, true);
551 n = entry->getNode("file", true);
552 n->setStringValue(dire->d_name);
553 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
555 n = entry->getNode("path", true);
556 n->setStringValue(path.str().c_str());
557 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
559 if ( boost::equals(dire->d_name, aircraft.c_str(), is_iequal()) ) {
571 // Read in configuration (file and command line)
572 bool fgInitConfig ( int argc, char **argv ) {
574 // First, set some sane default values
577 // Read global preferences from $FG_ROOT/preferences.xml
578 SG_LOG(SG_INPUT, SG_INFO, "Reading global preferences");
579 fgLoadProps("preferences.xml", globals->get_props());
580 SG_LOG(SG_INPUT, SG_INFO, "Finished Reading global preferences");
582 // Detect the required language as early as possible
583 if ( !fgDetectLanguage() ) {
587 SGPropertyNode autosave;
588 #if defined( _MSC_VER ) || defined( __MINGW32__ )
589 char *envp = ::getenv( "APPDATA" );
591 SGPath config( envp );
592 config.append( "flightgear.org" );
594 if ( homedir != NULL ) {
595 SGPath config( homedir );
596 config.append( ".fgfs" );
598 const char *fg_home = getenv("FG_HOME");
602 SGPath home_export(config.str());
603 home_export.append("Export/dummy");
604 home_export.create_dir(0777);
606 // Set /sim/fg-home and don't allow malign code to override it until
607 // Nasal security is set up. Use FG_HOME if necessary.
608 SGPropertyNode *home = fgGetNode("/sim", true);
609 home->removeChild("fg-home", 0, false);
610 home = home->getChild("fg-home", 0, true);
611 home->setStringValue(config.c_str());
612 home->setAttribute(SGPropertyNode::WRITE, false);
614 config.append( "autosave.xml" );
615 SG_LOG(SG_INPUT, SG_INFO, "Reading user settings from " << config.str());
617 readProperties(config.str(), &autosave, SGPropertyNode::USERARCHIVE);
619 SG_LOG(SG_INPUT, SG_DEBUG, "First time reading user settings");
621 SG_LOG(SG_INPUT, SG_DEBUG, "Finished Reading user settings");
623 SGPropertyNode *cache_root = autosave.getNode("sim/startup/path-cache", true);
626 // Scan user config files and command line for a specified aircraft.
627 fgInitFGAircraft(argc, argv);
629 string aircraft = fgGetString( "/sim/aircraft", "" );
630 if ( aircraft.size() > 0 ) {
631 SGPath aircraft_search( globals->get_fg_root() );
632 aircraft_search.append( "Aircraft" );
634 string aircraft_set = aircraft + "-set.xml";
637 // check if the *-set.xml file is already in the cache
638 if (globals->get_fg_root() == cache_root->getStringValue("fg-root", "")) {
639 vector<SGPropertyNode_ptr> cache = cache_root->getChildren("aircraft");
640 for (unsigned int i = 0; i < cache.size(); i++) {
641 const char *name = cache[i]->getStringValue("file", "");
642 if (boost::equals(aircraft_set, name, is_iequal())) {
643 const char *path = cache[i]->getStringValue("path", "");
653 if (result.empty()) {
654 // prepare cache for rescan
655 SGPropertyNode *n = cache_root->getNode("fg-root", true);
656 n->setStringValue(globals->get_fg_root().c_str());
657 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
658 cache_root->removeChildren("aircraft");
660 result = fgFindAircraftPath( aircraft_search, aircraft_set, cache_root );
663 if ( !result.empty() ) {
664 fgSetString( "/sim/aircraft-dir", result.c_str() );
665 SGPath full_name( result );
666 full_name.append( aircraft_set );
668 SG_LOG(SG_INPUT, SG_INFO, "Reading default aircraft: " << aircraft
669 << " from " << full_name.str());
671 readProperties( full_name.str(), globals->get_props() );
672 } catch ( const sg_exception &e ) {
673 string message = "Error reading default aircraft: ";
674 message += e.getFormattedMessage();
675 SG_LOG(SG_INPUT, SG_ALERT, message);
679 SG_LOG( SG_INPUT, SG_ALERT, "Cannot find specified aircraft: "
685 SG_LOG( SG_INPUT, SG_ALERT, "No default aircraft specified" );
688 copyProperties(&autosave, globals->get_props());
690 // parse options after loading aircraft to ensure any user
691 // overrides of defaults are honored.
692 do_options(argc, argv);
697 // Set current tower position lon/lat given an airport id
698 static bool fgSetTowerPosFromAirportID( const string& id) {
699 const FGAirport *a = fgFindAirportID( id);
701 SGGeod tower = a->getTowerLocation();
702 fgSetDouble("/sim/tower/longitude-deg", tower.getLongitudeDeg());
703 fgSetDouble("/sim/tower/latitude-deg", tower.getLatitudeDeg());
704 fgSetDouble("/sim/tower/altitude-ft", tower.getElevationFt());
712 struct FGTowerLocationListener : SGPropertyChangeListener {
713 void valueChanged(SGPropertyNode* node) {
714 const string id(node->getStringValue());
715 fgSetTowerPosFromAirportID(id);
719 void fgInitTowerLocationListener() {
720 fgGetNode("/sim/tower/airport-id", true)
721 ->addChangeListener( new FGTowerLocationListener(), true );
724 static void fgApplyStartOffset(const SGGeod& aStartPos, double aHeading, double aTargetHeading = HUGE_VAL)
726 SGGeod startPos(aStartPos);
727 if (aTargetHeading == HUGE_VAL) {
728 aTargetHeading = aHeading;
731 if ( fabs( fgGetDouble("/sim/presets/offset-distance-nm") ) > SG_EPSILON ) {
732 double offsetDistance = fgGetDouble("/sim/presets/offset-distance-nm");
733 offsetDistance *= SG_NM_TO_METER;
734 double offsetAzimuth = aHeading;
735 if ( fabs(fgGetDouble("/sim/presets/offset-azimuth-deg")) > SG_EPSILON ) {
736 offsetAzimuth = fgGetDouble("/sim/presets/offset-azimuth-deg");
737 aHeading = aTargetHeading;
742 SGGeodesy::direct(startPos, offsetAzimuth + 180, offsetDistance, offset, az2);
747 fgSetDouble("/sim/presets/longitude-deg", startPos.getLongitudeDeg() );
748 fgSetDouble("/sim/presets/latitude-deg", startPos.getLatitudeDeg() );
749 fgSetDouble("/sim/presets/heading-deg", aHeading );
751 // other code depends on the actual values being set ...
752 fgSetDouble("/position/longitude-deg", startPos.getLongitudeDeg() );
753 fgSetDouble("/position/latitude-deg", startPos.getLatitudeDeg() );
754 fgSetDouble("/orientation/heading-deg", aHeading );
757 // Set current_options lon/lat given an airport id and heading (degrees)
758 static bool fgSetPosFromAirportIDandHdg( const string& id, double tgt_hdg ) {
762 // set initial position from runway and heading
763 SG_LOG( SG_GENERAL, SG_INFO,
764 "Attempting to set starting position from airport code "
765 << id << " heading " << tgt_hdg );
767 const FGAirport* apt = fgFindAirportID(id);
768 if (!apt) return false;
769 FGRunway* r = apt->findBestRunwayForHeading(tgt_hdg);
770 fgSetString("/sim/atc/runway", r->ident().c_str());
772 SGGeod startPos = r->pointOnCenterline(fgGetDouble("/sim/airport/runways/start-offset-m", 5.0));
773 fgApplyStartOffset(startPos, r->headingDeg(), tgt_hdg);
777 // Set current_options lon/lat given an airport id and parkig position name
778 static bool fgSetPosFromAirportIDandParkpos( const string& id, const string& parkpos ) {
782 // can't see an easy way around this const_cast at the moment
783 FGAirport* apt = const_cast<FGAirport*>(fgFindAirportID(id));
785 SG_LOG( SG_GENERAL, SG_ALERT, "Failed to find airport " << id );
788 FGAirportDynamics* dcs = apt->getDynamics();
790 SG_LOG( SG_GENERAL, SG_ALERT,
791 "Failed to find parking position " << parkpos <<
792 " at airport " << id );
796 int park_index = dcs->getNrOfParkings() - 1;
797 while (park_index >= 0 && dcs->getParkingName(park_index) != parkpos) park_index--;
798 if (park_index < 0) {
799 SG_LOG( SG_GENERAL, SG_ALERT,
800 "Failed to find parking position " << parkpos <<
801 " at airport " << id );
804 FGParking* parking = dcs->getParking(park_index);
806 SGGeod::fromDeg(parking->getLongitude(), parking->getLatitude()),
807 parking->getHeading());
812 // Set current_options lon/lat given an airport id and runway number
813 static bool fgSetPosFromAirportIDandRwy( const string& id, const string& rwy, bool rwy_req ) {
817 // set initial position from airport and runway number
818 SG_LOG( SG_GENERAL, SG_INFO,
819 "Attempting to set starting position for "
820 << id << ":" << rwy );
822 const FGAirport* apt = fgFindAirportID(id);
824 SG_LOG( SG_GENERAL, SG_ALERT, "Failed to find airport:" << id);
828 if (!apt->hasRunwayWithIdent(rwy)) {
829 SG_LOG( SG_GENERAL, rwy_req ? SG_ALERT : SG_INFO,
830 "Failed to find runway " << rwy <<
831 " at airport " << id << ". Using default runway." );
835 FGRunway* r(apt->getRunwayByIdent(rwy));
836 fgSetString("/sim/atc/runway", r->ident().c_str());
837 SGGeod startPos = r->pointOnCenterline( fgGetDouble("/sim/airport/runways/start-offset-m", 5.0));
838 fgApplyStartOffset(startPos, r->headingDeg());
843 static void fgSetDistOrAltFromGlideSlope() {
844 // cout << "fgSetDistOrAltFromGlideSlope()" << endl;
845 string apt_id = fgGetString("/sim/presets/airport-id");
846 double gs = fgGetDouble("/sim/presets/glideslope-deg")
847 * SG_DEGREES_TO_RADIANS ;
848 double od = fgGetDouble("/sim/presets/offset-distance-nm");
849 double alt = fgGetDouble("/sim/presets/altitude-ft");
851 double apt_elev = 0.0;
852 if ( ! apt_id.empty() ) {
853 apt_elev = fgGetAirportElev( apt_id );
854 if ( apt_elev < -9990.0 ) {
861 if( fabs(gs) > 0.01 && fabs(od) > 0.1 && alt < -9990 ) {
862 // set altitude from glideslope and offset-distance
863 od *= SG_NM_TO_METER * SG_METER_TO_FEET;
864 alt = fabs(od*tan(gs)) + apt_elev;
865 fgSetDouble("/sim/presets/altitude-ft", alt);
866 fgSetBool("/sim/presets/onground", false);
867 SG_LOG( SG_GENERAL, SG_INFO, "Calculated altitude as: "
869 } else if( fabs(gs) > 0.01 && alt > 0 && fabs(od) < 0.1) {
870 // set offset-distance from glideslope and altitude
871 od = (alt - apt_elev) / tan(gs);
872 od *= -1*SG_FEET_TO_METER * SG_METER_TO_NM;
873 fgSetDouble("/sim/presets/offset-distance-nm", od);
874 fgSetBool("/sim/presets/onground", false);
875 SG_LOG( SG_GENERAL, SG_INFO, "Calculated offset distance as: "
877 } else if( fabs(gs) > 0.01 ) {
878 SG_LOG( SG_GENERAL, SG_ALERT,
879 "Glideslope given but not altitude or offset-distance." );
880 SG_LOG( SG_GENERAL, SG_ALERT, "Resetting glideslope to zero" );
881 fgSetDouble("/sim/presets/glideslope-deg", 0);
882 fgSetBool("/sim/presets/onground", true);
887 // Set current_options lon/lat given an airport id and heading (degrees)
888 static bool fgSetPosFromNAV( const string& id, const double& freq ) {
890 = globals->get_navlist()->findByIdentAndFreq( id.c_str(), freq );
893 SG_LOG( SG_GENERAL, SG_ALERT, "Failed to locate NAV = "
894 << id << ":" << freq );
898 fgApplyStartOffset(nav->geod(), fgGetDouble("/sim/presets/heading-deg"));
902 // Set current_options lon/lat given an aircraft carrier id
903 static bool fgSetPosFromCarrier( const string& carrier, const string& posid ) {
905 // set initial position from runway and heading
909 if (FGAIManager::getStartPosition(carrier, posid, geodPos, heading, uvw)) {
910 double lon = geodPos.getLongitudeDeg();
911 double lat = geodPos.getLatitudeDeg();
912 double alt = geodPos.getElevationFt();
914 SG_LOG( SG_GENERAL, SG_INFO, "Attempting to set starting position for "
915 << carrier << " at lat = " << lat << ", lon = " << lon
916 << ", alt = " << alt << ", heading = " << heading);
918 fgSetDouble("/sim/presets/longitude-deg", lon);
919 fgSetDouble("/sim/presets/latitude-deg", lat);
920 fgSetDouble("/sim/presets/altitude-ft", alt);
921 fgSetDouble("/sim/presets/heading-deg", heading);
922 fgSetDouble("/position/longitude-deg", lon);
923 fgSetDouble("/position/latitude-deg", lat);
924 fgSetDouble("/position/altitude-ft", alt);
925 fgSetDouble("/orientation/heading-deg", heading);
927 fgSetString("/sim/presets/speed-set", "UVW");
928 fgSetDouble("/velocities/uBody-fps", uvw(0));
929 fgSetDouble("/velocities/vBody-fps", uvw(1));
930 fgSetDouble("/velocities/wBody-fps", uvw(2));
931 fgSetDouble("/sim/presets/uBody-fps", uvw(0));
932 fgSetDouble("/sim/presets/vBody-fps", uvw(1));
933 fgSetDouble("/sim/presets/wBody-fps", uvw(2));
935 fgSetBool("/sim/presets/onground", true);
939 SG_LOG( SG_GENERAL, SG_ALERT, "Failed to locate aircraft carrier = "
945 // Set current_options lon/lat given an airport id and heading (degrees)
946 static bool fgSetPosFromFix( const string& id )
948 FGPositioned::TypeFilter fixFilter(FGPositioned::FIX);
949 FGPositioned* fix = FGPositioned::findNextWithPartialId(NULL, id, &fixFilter);
951 SG_LOG( SG_GENERAL, SG_ALERT, "Failed to locate fix = " << id );
955 fgApplyStartOffset(fix->geod(), fgGetDouble("/sim/presets/heading-deg"));
960 * Initialize vor/ndb/ils/fix list management and query systems (as
961 * well as simple airport db list)
966 SG_LOG(SG_GENERAL, SG_INFO, "Loading Airport Database ...");
968 SGPath aptdb( globals->get_fg_root() );
969 aptdb.append( "Airports/apt.dat" );
971 SGPath p_metar( globals->get_fg_root() );
972 p_metar.append( "Airports/metar.dat" );
974 // Initialise the frequency search map BEFORE reading
975 // the airport database:
976 current_commlist = new FGCommList;
977 current_commlist->init( globals->get_fg_root() );
978 fgAirportDBLoad( aptdb.str(), current_commlist, p_metar.str() );
980 FGNavList *navlist = new FGNavList;
981 FGNavList *loclist = new FGNavList;
982 FGNavList *gslist = new FGNavList;
983 FGNavList *dmelist = new FGNavList;
984 FGNavList *tacanlist = new FGNavList;
985 FGNavList *carrierlist = new FGNavList;
986 FGTACANList *channellist = new FGTACANList;
988 globals->set_navlist( navlist );
989 globals->set_loclist( loclist );
990 globals->set_gslist( gslist );
991 globals->set_dmelist( dmelist );
992 globals->set_tacanlist( tacanlist );
993 globals->set_carrierlist( carrierlist );
994 globals->set_channellist( channellist );
996 if ( !fgNavDBInit(navlist, loclist, gslist, dmelist, tacanlist, carrierlist, channellist) ) {
997 SG_LOG( SG_GENERAL, SG_ALERT,
998 "Problems loading one or more navigational database" );
1001 SG_LOG(SG_GENERAL, SG_INFO, " Fixes");
1002 SGPath p_fix( globals->get_fg_root() );
1003 p_fix.append( "Navaids/fix.dat" );
1005 fixlist.init( p_fix ); // adds fixes to the DB in positioned.cxx
1007 SG_LOG(SG_GENERAL, SG_INFO, " Airways");
1008 SGPath p_awy( globals->get_fg_root() );
1009 p_awy.append( "Navaids/awy.dat" );
1010 FGAirwayNetwork *awyNet = new FGAirwayNetwork;
1011 //cerr << "Loading Airways" << endl;
1012 awyNet->load (p_awy );
1014 //cerr << "initializing airways" << endl;
1015 globals->set_airwaynet( awyNet );
1021 // Set the initial position based on presets (or defaults)
1022 bool fgInitPosition() {
1023 // cout << "fgInitPosition()" << endl;
1024 double gs = fgGetDouble("/sim/presets/glideslope-deg")
1025 * SG_DEGREES_TO_RADIANS ;
1026 double od = fgGetDouble("/sim/presets/offset-distance-nm");
1027 double alt = fgGetDouble("/sim/presets/altitude-ft");
1029 bool set_pos = false;
1031 // If glideslope is specified, then calculate offset-distance or
1032 // altitude relative to glide slope if either of those was not
1034 if ( fabs( gs ) > 0.01 ) {
1035 fgSetDistOrAltFromGlideSlope();
1039 // If we have an explicit, in-range lon/lat, don't change it, just use it.
1040 // If not, check for an airport-id and use that.
1041 // If not, default to the middle of the KSFO field.
1042 // The default values for lon/lat are deliberately out of range
1043 // so that the airport-id can take effect; valid lon/lat will
1044 // override airport-id, however.
1045 double lon_deg = fgGetDouble("/sim/presets/longitude-deg");
1046 double lat_deg = fgGetDouble("/sim/presets/latitude-deg");
1047 if ( lon_deg >= -180.0 && lon_deg <= 180.0
1048 && lat_deg >= -90.0 && lat_deg <= 90.0 )
1053 string apt = fgGetString("/sim/presets/airport-id");
1054 string rwy_no = fgGetString("/sim/presets/runway");
1055 bool rwy_req = fgGetBool("/sim/presets/runway-requested");
1056 string vor = fgGetString("/sim/presets/vor-id");
1057 double vor_freq = fgGetDouble("/sim/presets/vor-freq");
1058 string ndb = fgGetString("/sim/presets/ndb-id");
1059 double ndb_freq = fgGetDouble("/sim/presets/ndb-freq");
1060 string carrier = fgGetString("/sim/presets/carrier");
1061 string parkpos = fgGetString("/sim/presets/parkpos");
1062 string fix = fgGetString("/sim/presets/fix");
1063 SGPropertyNode *hdg_preset = fgGetNode("/sim/presets/heading-deg", true);
1064 double hdg = hdg_preset->getDoubleValue();
1066 // save some start parameters, so that we can later say what the
1067 // user really requested. TODO generalize that and move it to options.cxx
1068 static bool start_options_saved = false;
1069 if (!start_options_saved) {
1070 start_options_saved = true;
1071 SGPropertyNode *opt = fgGetNode("/sim/startup/options", true);
1073 opt->setDoubleValue("latitude-deg", lat_deg);
1074 opt->setDoubleValue("longitude-deg", lon_deg);
1075 opt->setDoubleValue("heading-deg", hdg);
1076 opt->setStringValue("airport", apt.c_str());
1077 opt->setStringValue("runway", rwy_no.c_str());
1081 hdg = fgGetDouble("/environment/config/boundary/entry/wind-from-heading-deg", 270);
1083 if ( !set_pos && !apt.empty() && !parkpos.empty() ) {
1084 // An airport + parking position is requested
1085 if ( fgSetPosFromAirportIDandParkpos( apt, parkpos ) ) {
1086 // set tower position
1087 fgSetString("/sim/tower/airport-id", apt.c_str());
1092 if ( !set_pos && !apt.empty() && !rwy_no.empty() ) {
1093 // An airport + runway is requested
1094 if ( fgSetPosFromAirportIDandRwy( apt, rwy_no, rwy_req ) ) {
1095 // set tower position (a little off the heading for single
1097 fgSetString("/sim/tower/airport-id", apt.c_str());
1102 if ( !set_pos && !apt.empty() ) {
1103 // An airport is requested (find runway closest to hdg)
1104 if ( fgSetPosFromAirportIDandHdg( apt, hdg ) ) {
1105 // set tower position (a little off the heading for single
1107 fgSetString("/sim/tower/airport-id", apt.c_str());
1112 if (hdg_preset->getDoubleValue() > 9990.0)
1113 hdg_preset->setDoubleValue(hdg);
1115 if ( !set_pos && !vor.empty() ) {
1116 // a VOR is requested
1117 if ( fgSetPosFromNAV( vor, vor_freq ) ) {
1122 if ( !set_pos && !ndb.empty() ) {
1123 // an NDB is requested
1124 if ( fgSetPosFromNAV( ndb, ndb_freq ) ) {
1129 if ( !set_pos && !carrier.empty() ) {
1130 // an aircraft carrier is requested
1131 if ( fgSetPosFromCarrier( carrier, parkpos ) ) {
1136 if ( !set_pos && !fix.empty() ) {
1137 // a Fix is requested
1138 if ( fgSetPosFromFix( fix ) ) {
1144 // No lon/lat specified, no airport specified, default to
1145 // middle of KSFO field.
1146 fgSetDouble("/sim/presets/longitude-deg", -122.374843);
1147 fgSetDouble("/sim/presets/latitude-deg", 37.619002);
1150 fgSetDouble( "/position/longitude-deg",
1151 fgGetDouble("/sim/presets/longitude-deg") );
1152 fgSetDouble( "/position/latitude-deg",
1153 fgGetDouble("/sim/presets/latitude-deg") );
1154 fgSetDouble( "/orientation/heading-deg", hdg_preset->getDoubleValue());
1156 // determine if this should be an on-ground or in-air start
1157 if ((fabs(gs) > 0.01 || fabs(od) > 0.1 || alt > 0.1) && carrier.empty()) {
1158 fgSetBool("/sim/presets/onground", false);
1160 fgSetBool("/sim/presets/onground", true);
1167 // General house keeping initializations
1168 bool fgInitGeneral() {
1171 SG_LOG( SG_GENERAL, SG_INFO, "General Initialization" );
1172 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
1174 root = globals->get_fg_root();
1175 if ( ! root.length() ) {
1176 // No root path set? Then bail ...
1177 SG_LOG( SG_GENERAL, SG_ALERT,
1178 "Cannot continue without a path to the base package "
1179 << "being defined." );
1182 SG_LOG( SG_GENERAL, SG_INFO, "FG_ROOT = " << '"' << root << '"' << endl );
1184 globals->set_browser(fgGetString("/sim/startup/browser-app", "firefox %u"));
1186 char buf[512], *cwd = getcwd(buf, 511);
1188 SGPropertyNode *curr = fgGetNode("/sim", true);
1189 curr->removeChild("fg-current", 0, false);
1190 curr = curr->getChild("fg-current", 0, true);
1191 curr->setStringValue(cwd ? cwd : "");
1192 curr->setAttribute(SGPropertyNode::WRITE, false);
1194 fgSetBool("/sim/startup/stdout-to-terminal", isatty(1));
1195 fgSetBool("/sim/startup/stderr-to-terminal", isatty(2));
1200 // Initialize the flight model subsystem. This just creates the
1201 // object. The actual fdm initialization is delayed until we get a
1202 // proper scenery elevation hit. This is checked for in main.cxx
1206 if ( cur_fdm_state ) {
1207 delete cur_fdm_state;
1211 double dt = 1.0 / fgGetInt("/sim/model-hz");
1212 string model = fgGetString("/sim/flight-model");
1214 if ( model == "larcsim" ) {
1215 cur_fdm_state = new FGLaRCsim( dt );
1216 } else if ( model == "jsb" ) {
1217 cur_fdm_state = new FGJSBsim( dt );
1219 } else if ( model == "ada" ) {
1220 cur_fdm_state = new FGADA( dt );
1221 } else if ( model == "acms" ) {
1222 cur_fdm_state = new FGACMS( dt );
1223 } else if ( model == "balloon" ) {
1224 cur_fdm_state = new FGBalloonSim( dt );
1225 } else if ( model == "magic" ) {
1226 cur_fdm_state = new FGMagicCarpet( dt );
1228 } else if ( model == "ufo" ) {
1229 cur_fdm_state = new FGUFO( dt );
1230 } else if ( model == "external" ) {
1231 // external is a synonym for "--fdm=null" and is
1232 // maintained here for backwards compatibility
1233 cur_fdm_state = new FGNullFDM( dt );
1234 } else if ( model.find("network") == 0 ) {
1235 string host = "localhost";
1239 string net_options = model.substr(8);
1240 string::size_type begin, end;
1243 end = net_options.find( ",", begin );
1244 if ( end != string::npos ) {
1245 host = net_options.substr(begin, end - begin);
1249 end = net_options.find( ",", begin );
1250 if ( end != string::npos ) {
1251 port1 = atoi( net_options.substr(begin, end - begin).c_str() );
1255 end = net_options.find( ",", begin );
1256 if ( end != string::npos ) {
1257 port2 = atoi( net_options.substr(begin, end - begin).c_str() );
1261 end = net_options.find( ",", begin );
1262 if ( end != string::npos ) {
1263 port3 = atoi( net_options.substr(begin, end - begin).c_str() );
1266 cur_fdm_state = new FGExternalNet( dt, host, port1, port2, port3 );
1267 } else if ( model.find("pipe") == 0 ) {
1268 // /* old */ string pipe_path = model.substr(5);
1269 // /* old */ cur_fdm_state = new FGExternalPipe( dt, pipe_path );
1270 string pipe_path = "";
1271 string pipe_protocol = "";
1272 string pipe_options = model.substr(5);
1273 string::size_type begin, end;
1276 end = pipe_options.find( ",", begin );
1277 if ( end != string::npos ) {
1278 pipe_path = pipe_options.substr(begin, end - begin);
1281 // protocol (last option)
1282 pipe_protocol = pipe_options.substr(begin);
1283 cur_fdm_state = new FGExternalPipe( dt, pipe_path, pipe_protocol );
1284 } else if ( model == "null" ) {
1285 cur_fdm_state = new FGNullFDM( dt );
1286 } else if ( model == "yasim" ) {
1287 cur_fdm_state = new YASim( dt );
1289 throw sg_exception(string("Unrecognized flight model '") + model
1290 + "', cannot init flight dynamics model.");
1294 // Initialize view parameters
1296 // force update of model so that viewer can get some data...
1297 globals->get_aircraft_model()->update(0);
1298 // run update for current view so that data is current...
1299 globals->get_viewmgr()->update(0);
1303 SGTime *fgInitTime() {
1305 static const SGPropertyNode *longitude
1306 = fgGetNode("/position/longitude-deg");
1307 static const SGPropertyNode *latitude
1308 = fgGetNode("/position/latitude-deg");
1309 static const SGPropertyNode *cur_time_override
1310 = fgGetNode("/sim/time/cur-time-override", true);
1312 SGPath zone( globals->get_fg_root() );
1313 zone.append( "Timezone" );
1314 SGTime *t = new SGTime( longitude->getDoubleValue()
1315 * SGD_DEGREES_TO_RADIANS,
1316 latitude->getDoubleValue()
1317 * SGD_DEGREES_TO_RADIANS,
1319 cur_time_override->getLongValue() );
1321 globals->set_warp_delta( 0 );
1323 t->update( 0.0, 0.0,
1324 cur_time_override->getLongValue(),
1325 globals->get_warp() );
1331 // set up a time offset (aka warp) if one is specified
1332 void fgInitTimeOffset() {
1333 static const SGPropertyNode *longitude
1334 = fgGetNode("/position/longitude-deg");
1335 static const SGPropertyNode *latitude
1336 = fgGetNode("/position/latitude-deg");
1337 static const SGPropertyNode *cur_time_override
1338 = fgGetNode("/sim/time/cur-time-override", true);
1340 // Handle potential user specified time offsets
1341 int orig_warp = globals->get_warp();
1342 SGTime *t = globals->get_time_params();
1343 time_t cur_time = t->get_cur_time();
1344 time_t currGMT = sgTimeGetGMT( gmtime(&cur_time) );
1345 time_t systemLocalTime = sgTimeGetGMT( localtime(&cur_time) );
1346 time_t aircraftLocalTime =
1347 sgTimeGetGMT( fgLocaltime(&cur_time, t->get_zonename() ) );
1349 // Okay, we now have several possible scenarios
1350 int offset = fgGetInt("/sim/startup/time-offset");
1351 string offset_type = fgGetString("/sim/startup/time-offset-type");
1354 if ( offset_type == "real" ) {
1356 } else if ( offset_type == "dawn" ) {
1357 warp = fgTimeSecondsUntilSunAngle( cur_time,
1358 longitude->getDoubleValue()
1359 * SGD_DEGREES_TO_RADIANS,
1360 latitude->getDoubleValue()
1361 * SGD_DEGREES_TO_RADIANS,
1363 } else if ( offset_type == "morning" ) {
1364 warp = fgTimeSecondsUntilSunAngle( cur_time,
1365 longitude->getDoubleValue()
1366 * SGD_DEGREES_TO_RADIANS,
1367 latitude->getDoubleValue()
1368 * SGD_DEGREES_TO_RADIANS,
1370 } else if ( offset_type == "noon" ) {
1371 warp = fgTimeSecondsUntilSunAngle( cur_time,
1372 longitude->getDoubleValue()
1373 * SGD_DEGREES_TO_RADIANS,
1374 latitude->getDoubleValue()
1375 * SGD_DEGREES_TO_RADIANS,
1377 } else if ( offset_type == "afternoon" ) {
1378 warp = fgTimeSecondsUntilSunAngle( cur_time,
1379 longitude->getDoubleValue()
1380 * SGD_DEGREES_TO_RADIANS,
1381 latitude->getDoubleValue()
1382 * SGD_DEGREES_TO_RADIANS,
1384 } else if ( offset_type == "dusk" ) {
1385 warp = fgTimeSecondsUntilSunAngle( cur_time,
1386 longitude->getDoubleValue()
1387 * SGD_DEGREES_TO_RADIANS,
1388 latitude->getDoubleValue()
1389 * SGD_DEGREES_TO_RADIANS,
1391 } else if ( offset_type == "evening" ) {
1392 warp = fgTimeSecondsUntilSunAngle( cur_time,
1393 longitude->getDoubleValue()
1394 * SGD_DEGREES_TO_RADIANS,
1395 latitude->getDoubleValue()
1396 * SGD_DEGREES_TO_RADIANS,
1398 } else if ( offset_type == "midnight" ) {
1399 warp = fgTimeSecondsUntilSunAngle( cur_time,
1400 longitude->getDoubleValue()
1401 * SGD_DEGREES_TO_RADIANS,
1402 latitude->getDoubleValue()
1403 * SGD_DEGREES_TO_RADIANS,
1405 } else if ( offset_type == "system-offset" ) {
1408 } else if ( offset_type == "gmt-offset" ) {
1409 warp = offset - (currGMT - systemLocalTime);
1411 } else if ( offset_type == "latitude-offset" ) {
1412 warp = offset - (aircraftLocalTime - systemLocalTime);
1414 } else if ( offset_type == "system" ) {
1415 warp = offset - (systemLocalTime - currGMT) - cur_time;
1416 } else if ( offset_type == "gmt" ) {
1417 warp = offset - cur_time;
1418 } else if ( offset_type == "latitude" ) {
1419 warp = offset - (aircraftLocalTime - currGMT)- cur_time;
1421 SG_LOG( SG_GENERAL, SG_ALERT,
1422 "FG_TIME::Unsupported offset type " << offset_type );
1425 globals->set_warp( orig_warp + warp );
1426 t->update( longitude->getDoubleValue() * SGD_DEGREES_TO_RADIANS,
1427 latitude->getDoubleValue() * SGD_DEGREES_TO_RADIANS,
1428 cur_time_override->getLongValue(),
1429 globals->get_warp() );
1431 SG_LOG( SG_GENERAL, SG_INFO, "After fgInitTimeOffset(): warp = "
1432 << globals->get_warp() );
1436 // This is the top level init routine which calls all the other
1437 // initialization routines. If you are adding a subsystem to flight
1438 // gear, its initialization call should located in this routine.
1439 // Returns non-zero if a problem encountered.
1440 bool fgInitSubsystems() {
1441 // static const SGPropertyNode *longitude
1442 // = fgGetNode("/sim/presets/longitude-deg");
1443 // static const SGPropertyNode *latitude
1444 // = fgGetNode("/sim/presets/latitude-deg");
1445 // static const SGPropertyNode *altitude
1446 // = fgGetNode("/sim/presets/altitude-ft");
1448 SG_LOG( SG_GENERAL, SG_INFO, "Initialize Subsystems");
1449 SG_LOG( SG_GENERAL, SG_INFO, "========== ==========");
1451 ////////////////////////////////////////////////////////////////////
1452 // Initialize the event manager subsystem.
1453 ////////////////////////////////////////////////////////////////////
1455 globals->get_event_mgr()->init();
1456 globals->get_event_mgr()->setRealtimeProperty(fgGetNode("/sim/time/delta-realtime-sec", true));
1458 ////////////////////////////////////////////////////////////////////
1459 // Initialize the sound manager subsystem.
1460 ////////////////////////////////////////////////////////////////////
1462 globals->get_soundmgr()->bind();
1463 globals->get_soundmgr()->init(fgGetString("/sim/sound/device-name", NULL));
1465 vector <const char*>devices =
1466 globals->get_soundmgr()->get_available_devices();
1467 for (unsigned int i=0; i<devices.size(); i++) {
1468 SGPropertyNode *p = fgGetNode("/sim/sound/devices/device", i, true);
1469 p->setStringValue(devices[i]);
1473 ////////////////////////////////////////////////////////////////////
1474 // Initialize the property interpolator subsystem. Put into the INIT
1475 // group because the "nasal" subsystem may need it at GENERAL take-down.
1476 ////////////////////////////////////////////////////////////////////
1477 globals->add_subsystem("interpolator", new SGInterpolator, SGSubsystemMgr::INIT);
1480 ////////////////////////////////////////////////////////////////////
1481 // Add the FlightGear property utilities.
1482 ////////////////////////////////////////////////////////////////////
1483 globals->add_subsystem("properties", new FGProperties);
1485 ////////////////////////////////////////////////////////////////////
1486 // Initialize the material property subsystem.
1487 ////////////////////////////////////////////////////////////////////
1489 SGPath mpath( globals->get_fg_root() );
1490 mpath.append( "materials.xml" );
1491 if ( ! globals->get_matlib()->load(globals->get_fg_root(), mpath.str(),
1492 globals->get_props()) ) {
1493 SG_LOG( SG_GENERAL, SG_ALERT, "Error loading material lib!" );
1498 ////////////////////////////////////////////////////////////////////
1499 // Initialize the scenery management subsystem.
1500 ////////////////////////////////////////////////////////////////////
1502 if ( globals->get_tile_mgr()->init() ) {
1503 // Load the local scenery data
1504 double visibility_meters = fgGetDouble("/environment/visibility-m");
1506 globals->get_tile_mgr()->update( visibility_meters );
1508 SG_LOG( SG_GENERAL, SG_ALERT, "Error in Tile Manager initialization!" );
1512 globals->get_scenery()->get_scene_graph()
1513 ->addChild(simgear::Particles::getCommonRoot());
1514 simgear::GlobalParticleCallback::setSwitch(fgGetNode("/sim/rendering/particles", true));
1516 ////////////////////////////////////////////////////////////////////
1517 // Initialize the flight model subsystem.
1518 ////////////////////////////////////////////////////////////////////
1522 // allocates structures so must happen before any of the flight
1523 // model or control parameters are set
1524 fgAircraftInit(); // In the future this might not be the case.
1527 ////////////////////////////////////////////////////////////////////
1528 // Initialize the weather subsystem.
1529 ////////////////////////////////////////////////////////////////////
1531 // Initialize the weather modeling subsystem
1532 globals->add_subsystem("environment", new FGEnvironmentMgr);
1534 ////////////////////////////////////////////////////////////////////
1535 // Initialize the ridge lift simulation.
1536 ////////////////////////////////////////////////////////////////////
1538 // Initialize the ridgelift subsystem
1539 globals->add_subsystem("ridgelift", new FGRidgeLift);
1541 ////////////////////////////////////////////////////////////////////
1542 // Initialize the aircraft systems and instrumentation (before the
1544 ////////////////////////////////////////////////////////////////////
1546 globals->add_subsystem("instrumentation", new FGInstrumentMgr);
1547 globals->add_subsystem("systems", new FGSystemMgr);
1549 ////////////////////////////////////////////////////////////////////
1550 // Initialize the XML Autopilot subsystem.
1551 ////////////////////////////////////////////////////////////////////
1553 globals->add_subsystem( "xml-autopilot", new FGXMLAutopilot );
1554 globals->add_subsystem( "route-manager", new FGRouteMgr );
1555 globals->add_subsystem( "autobrake", new FGAutoBrake );
1557 ////////////////////////////////////////////////////////////////////
1558 // Initialize the view manager subsystem.
1559 ////////////////////////////////////////////////////////////////////
1563 ////////////////////////////////////////////////////////////////////
1564 // Initialize the Input-Output subsystem
1565 ////////////////////////////////////////////////////////////////////
1566 globals->add_subsystem( "io", new FGIO );
1568 ////////////////////////////////////////////////////////////////////
1569 // Create and register the logger.
1570 ////////////////////////////////////////////////////////////////////
1572 globals->add_subsystem("logger", new FGLogger);
1574 ////////////////////////////////////////////////////////////////////
1575 // Create and register the XML GUI.
1576 ////////////////////////////////////////////////////////////////////
1578 globals->add_subsystem("gui", new NewGUI, SGSubsystemMgr::INIT);
1581 ////////////////////////////////////////////////////////////////////
1582 // Initialize the local time subsystem.
1583 ////////////////////////////////////////////////////////////////////
1585 // update the current timezone each 30 minutes
1586 globals->get_event_mgr()->addTask( "fgUpdateLocalTime()",
1587 &fgUpdateLocalTime, 30*60 );
1588 fgInitTimeOffset(); // the environment subsystem needs this
1591 ////////////////////////////////////////////////////////////////////
1592 // Initialize the lighting subsystem.
1593 ////////////////////////////////////////////////////////////////////
1595 globals->add_subsystem("lighting", new FGLight);
1597 //////////////////////////////////////////////////////////////////////
1598 // Initialize the 2D cloud subsystem.
1599 ////////////////////////////////////////////////////////////////////
1600 fgGetBool("/sim/rendering/bump-mapping", false);
1602 #ifdef ENABLE_AUDIO_SUPPORT
1603 ////////////////////////////////////////////////////////////////////
1604 // Initialize the sound-effects subsystem.
1605 ////////////////////////////////////////////////////////////////////
1606 globals->add_subsystem("voice", new FGVoiceMgr);
1609 ////////////////////////////////////////////////////////////////////
1610 // Initialise the ATC Manager
1611 ////////////////////////////////////////////////////////////////////
1613 SG_LOG(SG_GENERAL, SG_INFO, " ATC Manager");
1614 globals->set_ATC_mgr(new FGATCMgr);
1615 globals->get_ATC_mgr()->init();
1617 ////////////////////////////////////////////////////////////////////
1618 // Initialise the AI Manager
1619 ////////////////////////////////////////////////////////////////////
1621 SG_LOG(SG_GENERAL, SG_INFO, " AI Manager");
1622 globals->set_AI_mgr(new FGAIMgr);
1623 globals->get_AI_mgr()->init();
1625 ////////////////////////////////////////////////////////////////////
1626 // Initialise the AI Model Manager
1627 ////////////////////////////////////////////////////////////////////
1628 SG_LOG(SG_GENERAL, SG_INFO, " AI Model Manager");
1629 globals->add_subsystem("ai_model", new FGAIManager);
1630 globals->add_subsystem("submodel_mgr", new FGSubmodelMgr);
1633 // It's probably a good idea to initialize the top level traffic manager
1634 // After the AI and ATC systems have been initialized properly.
1635 // AI Traffic manager
1636 globals->add_subsystem("Traffic Manager", new FGTrafficManager);
1639 ////////////////////////////////////////////////////////////////////
1640 // Initialize the cockpit subsystem
1641 ////////////////////////////////////////////////////////////////////
1642 if( fgCockpitInit( ¤t_aircraft )) {
1643 // Cockpit initialized ok.
1645 SG_LOG( SG_GENERAL, SG_ALERT, "Error in Cockpit initialization!" );
1650 ////////////////////////////////////////////////////////////////////
1651 // Add a new 2D panel.
1652 ////////////////////////////////////////////////////////////////////
1654 string panel_path = fgGetString("/sim/panel/path",
1655 "Panels/Default/default.xml");
1657 globals->set_current_panel( fgReadPanel(panel_path) );
1658 if (globals->get_current_panel() == 0) {
1659 SG_LOG( SG_INPUT, SG_ALERT,
1660 "Error reading new panel from " << panel_path );
1662 SG_LOG( SG_INPUT, SG_INFO, "Loaded new panel from " << panel_path );
1663 globals->get_current_panel()->init();
1664 globals->get_current_panel()->bind();
1668 ////////////////////////////////////////////////////////////////////
1669 // Initialize the controls subsystem.
1670 ////////////////////////////////////////////////////////////////////
1672 globals->get_controls()->init();
1673 globals->get_controls()->bind();
1676 ////////////////////////////////////////////////////////////////////
1677 // Initialize the input subsystem.
1678 ////////////////////////////////////////////////////////////////////
1680 globals->add_subsystem("input", new FGInput);
1683 ////////////////////////////////////////////////////////////////////
1684 // Initialize the replay subsystem
1685 ////////////////////////////////////////////////////////////////////
1686 globals->add_subsystem("replay", new FGReplay);
1689 ////////////////////////////////////////////////////////////////////
1690 // Bind and initialize subsystems.
1691 ////////////////////////////////////////////////////////////////////
1693 globals->get_subsystem_mgr()->bind();
1694 globals->get_subsystem_mgr()->init();
1696 ////////////////////////////////////////////////////////////////////
1697 // Initialize multiplayer subsystem
1698 ////////////////////////////////////////////////////////////////////
1700 globals->set_multiplayer_mgr(new FGMultiplayMgr);
1701 globals->get_multiplayer_mgr()->init();
1703 ////////////////////////////////////////////////////////////////////////
1704 // Initialize the Nasal interpreter.
1705 // Do this last, so that the loaded scripts see initialized state
1706 ////////////////////////////////////////////////////////////////////////
1707 FGNasalSys* nasal = new FGNasalSys();
1708 globals->add_subsystem("nasal", nasal, SGSubsystemMgr::INIT);
1711 // initialize methods that depend on other subsystems.
1712 globals->get_subsystem_mgr()->postinit();
1714 ////////////////////////////////////////////////////////////////////////
1715 // End of subsystem initialization.
1716 ////////////////////////////////////////////////////////////////////
1718 SG_LOG( SG_GENERAL, SG_INFO, endl);
1720 // Save the initial state for future
1722 globals->saveInitialState();
1728 void fgReInitSubsystems()
1730 // static const SGPropertyNode *longitude
1731 // = fgGetNode("/sim/presets/longitude-deg");
1732 // static const SGPropertyNode *latitude
1733 // = fgGetNode("/sim/presets/latitude-deg");
1734 static const SGPropertyNode *altitude
1735 = fgGetNode("/sim/presets/altitude-ft");
1736 static const SGPropertyNode *master_freeze
1737 = fgGetNode("/sim/freeze/master");
1739 SG_LOG( SG_GENERAL, SG_INFO,
1740 "fgReInitSubsystems(): /position/altitude = "
1741 << altitude->getDoubleValue() );
1743 bool freeze = master_freeze->getBoolValue();
1745 fgSetBool("/sim/freeze/master", true);
1747 fgSetBool("/sim/crashed", false);
1749 // Force reupdating the positions of the ai 3d models. They are used for
1750 // initializing ground level for the FDM.
1751 globals->get_subsystem("ai_model")->reinit();
1753 // Initialize the FDM
1756 // allocates structures so must happen before any of the flight
1757 // model or control parameters are set
1758 fgAircraftInit(); // In the future this might not be the case.
1760 // reload offsets from config defaults
1761 globals->get_viewmgr()->reinit();
1765 globals->get_controls()->reset_all();
1767 fgUpdateLocalTime();
1769 // re-init to proper time of day setting
1773 fgSetBool("/sim/freeze/master", false);
1775 fgSetBool("/sim/sceneryloaded",false);
1779 void reInit(void) // from gui_local.cxx -- TODO merge with fgReInitSubsystems()
1781 static SGPropertyNode_ptr master_freeze = fgGetNode("/sim/freeze/master", true);
1783 bool freeze = master_freeze->getBoolValue();
1785 master_freeze->setBoolValue(true);
1787 fgSetBool("/sim/signals/reinit", true);
1788 cur_fdm_state->unbind();
1790 // in case user has changed window size as
1791 // restoreInitialState() overwrites these
1792 int xsize = fgGetInt("/sim/startup/xsize");
1793 int ysize = fgGetInt("/sim/startup/ysize");
1795 // viewports also needs to be saved/restored as
1796 // restoreInitialState() overwrites these
1797 SGPropertyNode *guiNode = new SGPropertyNode;
1798 SGPropertyNode *cameraNode = new SGPropertyNode;
1799 SGPropertyNode *cameraGroupNode = fgGetNode("/sim/rendering/camera-group");
1800 copyProperties(cameraGroupNode->getChild("camera"), cameraNode);
1801 copyProperties(cameraGroupNode->getChild("gui"), guiNode);
1803 globals->restoreInitialState();
1805 // update our position based on current presets
1808 // We don't know how to resize the window, so keep the last values
1809 // for xsize and ysize, and don't use the one set initially
1810 fgSetInt("/sim/startup/xsize", xsize);
1811 fgSetInt("/sim/startup/ysize", ysize);
1813 copyProperties(cameraNode, cameraGroupNode->getChild("camera"));
1814 copyProperties(guiNode, cameraGroupNode->getChild("gui"));
1819 SGTime *t = globals->get_time_params();
1822 globals->set_time_params(t);
1824 fgReInitSubsystems();
1826 globals->get_tile_mgr()->update(fgGetDouble("/environment/visibility-m"));
1827 globals->get_renderer()->resize(xsize, ysize);
1828 fgSetBool("/sim/signals/reinit", false);
1831 master_freeze->setBoolValue(false);