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., 675 Mass Ave, Cambridge, MA 02139, USA.
29 // For BC 5.01 this must be included before OpenGL includes.
30 #ifdef SG_MATH_EXCEPTION_CLASH
36 #include <string.h> // strcmp()
39 #if defined( unix ) || defined( __CYGWIN__ )
40 # include <unistd.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>
53 #include <simgear/constants.h>
54 #include <simgear/debug/logstream.hxx>
55 #include <simgear/structure/exception.hxx>
56 #include <simgear/structure/event_mgr.hxx>
57 #include <simgear/math/point3d.hxx>
58 #include <simgear/math/polar3d.hxx>
59 #include <simgear/math/sg_geodesy.hxx>
60 #include <simgear/misc/sg_path.hxx>
61 #include <simgear/misc/interpolator.hxx>
62 #include <simgear/scene/material/matlib.hxx>
63 #include <simgear/timing/sg_time.hxx>
64 #include <simgear/timing/lowleveltime.h>
66 #include <Aircraft/aircraft.hxx>
67 #include <Aircraft/replay.hxx>
68 #include <Airports/apt_loader.hxx>
69 #include <Airports/runways.hxx>
70 #include <Airports/simple.hxx>
71 #include <AIModel/AIManager.hxx>
72 #include <ATC/ATCdisplay.hxx>
73 #include <ATC/ATCmgr.hxx>
74 #include <ATC/AIMgr.hxx>
75 #include <Autopilot/auto_gui.hxx>
76 #include <Autopilot/route_mgr.hxx>
77 #include <Autopilot/xmlauto.hxx>
78 #include <Cockpit/cockpit.hxx>
79 #include <Cockpit/panel.hxx>
80 #include <Cockpit/panel_io.hxx>
82 #include <FDM/SP/ADA.hxx>
83 #include <FDM/SP/ACMS.hxx>
85 #include <FDM/Balloon.h>
86 #include <FDM/ExternalNet/ExternalNet.hxx>
87 #include <FDM/ExternalPipe/ExternalPipe.hxx>
88 #include <FDM/JSBSim/JSBSim.hxx>
89 #include <FDM/LaRCsim/LaRCsim.hxx>
90 #include <FDM/MagicCarpet.hxx>
91 #include <FDM/UFO.hxx>
92 #include <FDM/NullFDM.hxx>
93 #include <FDM/YASim/YASim.hxx>
94 #include <GUI/new_gui.hxx>
95 #include <Include/general.hxx>
96 #include <Input/input.hxx>
97 #include <Instrumentation/instrument_mgr.hxx>
98 #include <Model/acmodel.hxx>
99 #include <AIModel/submodel.hxx>
100 #include <AIModel/AIManager.hxx>
101 #include <Navaids/navdb.hxx>
102 #include <Navaids/navlist.hxx>
103 #include <Scenery/scenery.hxx>
104 #include <Scenery/tilemgr.hxx>
105 #include <Scripting/NasalSys.hxx>
106 #include <Sound/fg_fx.hxx>
107 #include <Sound/beacon.hxx>
108 #include <Sound/morse.hxx>
109 #include <Systems/system_mgr.hxx>
110 #include <Time/light.hxx>
111 #include <Time/sunsolver.hxx>
112 #include <Time/tmp.hxx>
113 #include <Traffic/TrafficMgr.hxx>
116 #include <MultiPlayer/multiplaymgr.hxx>
119 #include <Environment/environment_mgr.hxx>
121 #include "fg_init.hxx"
123 #include "fg_commands.hxx"
124 #include "fg_props.hxx"
125 #include "options.hxx"
126 #include "globals.hxx"
127 #include "logger.hxx"
128 #include "viewmgr.hxx"
131 #if defined(FX) && defined(XMESA)
132 #include <GL/xmesa.h>
135 SG_USING_STD(string);
139 extern const char *default_root;
143 // Scan the command line options for the specified option and return
145 static string fgScanForOption( const string& option, int argc, char **argv ) {
148 SG_LOG(SG_GENERAL, SG_INFO, "Scanning command line for: " << option );
150 int len = option.length();
153 SG_LOG( SG_GENERAL, SG_DEBUG, "argv[" << i << "] = " << argv[i] );
155 string arg = argv[i];
156 if ( arg.find( option ) == 0 ) {
157 return arg.substr( len );
167 // Scan the user config files for the specified option and return
169 static string fgScanForOption( const string& option, const string& path ) {
170 sg_gzifstream in( path );
171 if ( !in.is_open() ) {
175 SG_LOG( SG_GENERAL, SG_INFO, "Scanning " << path << " for: " << option );
177 int len = option.length();
181 while ( ! in.eof() ) {
184 while ( in.get(c) && c != '\0' ) {
189 #if defined( macintosh )
190 getline( in, line, '\r' );
192 getline( in, line, '\n' );
195 // catch extraneous (DOS) line ending character
196 if ( line[line.length() - 1] < 32 ) {
197 line = line.substr( 0, line.length()-1 );
200 if ( line.find( option ) == 0 ) {
201 return line.substr( len );
210 // Scan the user config files for the specified option and return
212 static string fgScanForOption( const string& option ) {
215 if (hostname == NULL)
218 gethostname(_hostname, 256);
219 hostname = strdup(_hostname);
220 free_hostname = true;
223 #if defined( unix ) || defined( __CYGWIN__ )
224 // Next check home directory for .fgfsrc.hostname file
226 if ( homedir != NULL ) {
227 SGPath config( homedir );
228 config.append( ".fgfsrc" );
229 config.concat( "." );
230 config.concat( hostname );
231 arg = fgScanForOption( option, config.str() );
236 // Next check home directory for .fgfsrc file
238 if ( homedir != NULL ) {
239 SGPath config( homedir );
240 config.append( ".fgfsrc" );
241 arg = fgScanForOption( option, config.str() );
246 // Check for $fg_root/system.fgfsrc
247 SGPath config( globals->get_fg_root() );
248 config.append( "system.fgfsrc" );
249 arg = fgScanForOption( option, config.str() );
256 // Read in configuration (files and command line options) but only set
258 bool fgInitFGRoot ( int argc, char **argv ) {
261 // First parse command line options looking for --fg-root=, this
262 // will override anything specified in a config file
263 root = fgScanForOption( "--fg-root=", argc, argv);
265 // Check in one of the user configuration files.
267 root = fgScanForOption( "--fg-root=" );
269 // Next check if fg-root is set as an env variable
270 if ( root.empty() ) {
271 char *envp = ::getenv( "FG_ROOT" );
272 if ( envp != NULL ) {
277 // Otherwise, default to a random compiled-in location if we can't
278 // find fg-root any other way.
279 if ( root.empty() ) {
280 #if defined( __CYGWIN__ )
281 root = "/FlightGear";
282 #elif defined( WIN32 )
283 root = "\\FlightGear";
284 #elif defined(OSX_BUNDLE)
285 /* the following code looks for the base package directly inside
286 the application bundle. This can be changed fairly easily by
287 fiddling with the code below. And yes, I know it's ugly and verbose.
289 CFBundleRef appBundle = CFBundleGetMainBundle();
290 CFURLRef appUrl = CFBundleCopyBundleURL(appBundle);
291 CFRelease(appBundle);
293 // look for a 'data' subdir directly inside the bundle : is there
294 // a better place? maybe in Resources? I don't know ...
295 CFURLRef dataDir = CFURLCreateCopyAppendingPathComponent(NULL, appUrl, CFSTR("data"), true);
297 // now convert down to a path, and the a c-string
298 CFStringRef path = CFURLCopyFileSystemPath(dataDir, kCFURLPOSIXPathStyle);
299 root = CFStringGetCStringPtr(path, CFStringGetSystemEncoding());
302 CFRelease(appBundle);
310 SG_LOG(SG_INPUT, SG_INFO, "fg_root = " << root );
311 globals->set_fg_root(root);
317 // Read in configuration (files and command line options) but only set
319 bool fgInitFGAircraft ( int argc, char **argv ) {
322 // First parse command line options looking for --aircraft=, this
323 // will override anything specified in a config file
324 aircraft = fgScanForOption( "--aircraft=", argc, argv );
326 // Check in one of the user configuration files.
327 if ( aircraft.empty() )
328 aircraft = fgScanForOption( "--aircraft=" );
330 // if an aircraft was specified, set the property name
331 if ( !aircraft.empty() ) {
332 SG_LOG(SG_INPUT, SG_INFO, "aircraft = " << aircraft );
333 fgSetString("/sim/aircraft", aircraft.c_str() );
335 SG_LOG(SG_INPUT, SG_INFO, "No user specified aircraft, using default" );
342 // Return the current base package version
343 string fgBasePackageVersion() {
344 SGPath base_path( globals->get_fg_root() );
345 base_path.append("version");
347 sg_gzifstream in( base_path.str() );
348 if ( !in.is_open() ) {
349 SGPath old_path( globals->get_fg_root() );
350 old_path.append( "Thanks" );
351 sg_gzifstream old( old_path.str() );
352 if ( !old.is_open() ) {
355 return "[old version]";
366 // Initialize the localization
367 SGPropertyNode *fgInitLocale(const char *language) {
368 SGPropertyNode *c_node = NULL, *d_node = NULL;
369 SGPropertyNode *intl = fgGetNode("/sim/intl");
371 SG_LOG(SG_GENERAL, SG_INFO, "Selecting language: " << language );
373 // localization not defined
378 // Select the proper language from the list
380 vector<SGPropertyNode_ptr> locale = intl->getChildren("locale");
381 for (unsigned int i = 0; i < locale.size(); i++) {
383 vector<SGPropertyNode_ptr> lang = locale[i]->getChildren("lang");
384 for (unsigned int j = 0; j < lang.size(); j++) {
386 if (!strcmp(lang[j]->getStringValue(), language)) {
395 d_node = intl->getChild("locale");
399 // Check for localized font
400 SGPropertyNode *font_n = c_node->getNode("font", true);
401 if ( !strcmp(font_n->getStringValue(), "") )
402 font_n->setStringValue(d_node->getStringValue("font", "typewriter.txf"));
406 // Load the default strings
408 SGPath d_path( globals->get_fg_root() );
410 const char *d_path_str = d_node->getStringValue("strings");
412 SG_LOG(SG_GENERAL, SG_ALERT, "Incorrect path in configuration file.");
416 d_path.append(d_path_str);
417 SG_LOG(SG_GENERAL, SG_INFO, "Reading localized strings from "
420 SGPropertyNode *strings = c_node->getNode("strings");
422 readProperties(d_path.str(), strings);
423 } catch (const sg_exception &e) {
424 SG_LOG(SG_GENERAL, SG_ALERT, "Unable to read the localized strings");
429 // Load the language specific strings
431 if (c_node != d_node) {
432 SGPath c_path( globals->get_fg_root() );
434 const char *c_path_str = c_node->getStringValue("strings");
436 SG_LOG(SG_GENERAL, SG_ALERT, "Incorrect path in configuration file.");
440 c_path.append(c_path_str);
441 SG_LOG(SG_GENERAL, SG_INFO, "Reading localized strings from "
445 readProperties(c_path.str(), strings);
446 } catch (const sg_exception &e) {
447 SG_LOG(SG_GENERAL, SG_ALERT, "Unable to read the localized strings");
457 // Initialize the localization routines
458 bool fgDetectLanguage() {
459 char *language = ::getenv("LANG");
461 if (language == NULL) {
462 SG_LOG(SG_GENERAL, SG_INFO, "Unable to detect the language" );
466 SGPropertyNode *locale = fgInitLocale(language);
468 SG_LOG(SG_GENERAL, SG_ALERT,
469 "No internationalization settings specified in preferences.xml" );
474 globals->set_locale( locale );
479 // Attempt to locate and parse the various non-XML config files in order
480 // from least precidence to greatest precidence
482 do_options (int argc, char ** argv)
484 // Check for $fg_root/system.fgfsrc
485 SGPath config( globals->get_fg_root() );
486 config.append( "system.fgfsrc" );
487 fgParseOptions(config.str());
489 #if defined( unix ) || defined( __CYGWIN__ )
490 config.concat( "." );
491 config.concat( hostname );
492 fgParseOptions(config.str());
495 // Check for ~/.fgfsrc
496 if ( homedir != NULL ) {
497 config.set( homedir );
498 config.append( ".fgfsrc" );
499 fgParseOptions(config.str());
502 #if defined( unix ) || defined( __CYGWIN__ )
503 // Check for ~/.fgfsrc.hostname
504 config.concat( "." );
505 config.concat( hostname );
506 fgParseOptions(config.str());
509 // Parse remaining command line options
510 // These will override anything specified in a config file
511 fgParseArgs(argc, argv);
515 static string fgFindAircraftPath( const SGPath &path, const string &aircraft ) {
517 ulDir *dirp = ulOpenDir(path.str().c_str());
519 cerr << "Unable to open aircraft directory '" << path.str() << '\'' << endl;
523 while ((dire = ulReadDir(dirp)) != NULL) {
525 if ( strcmp("CVS", dire->d_name) && strcmp(".", dire->d_name)
526 && strcmp("..", dire->d_name) )
529 next.append(dire->d_name);
531 string result = fgFindAircraftPath( next, aircraft );
532 if ( ! result.empty() ) {
536 } else if ( !strcmp(dire->d_name, aircraft.c_str()) ) {
547 // Read in configuration (file and command line)
548 bool fgInitConfig ( int argc, char **argv ) {
550 // First, set some sane default values
553 // Read global preferences from $FG_ROOT/preferences.xml
554 SG_LOG(SG_INPUT, SG_INFO, "Reading global preferences");
555 fgLoadProps("preferences.xml", globals->get_props());
556 SG_LOG(SG_INPUT, SG_INFO, "Finished Reading global preferences");
558 // Detect the required language as early as possible
559 if ( !fgDetectLanguage() ) {
563 // Scan user config files and command line for a specified aircraft.
564 fgInitFGAircraft(argc, argv);
566 string aircraft = fgGetString( "/sim/aircraft", "" );
567 if ( aircraft.size() > 0 ) {
568 SGPath aircraft_search( globals->get_fg_root() );
569 aircraft_search.append( "Aircraft" );
571 string aircraft_set = aircraft + "-set.xml";
573 string result = fgFindAircraftPath( aircraft_search, aircraft_set );
574 if ( !result.empty() ) {
575 fgSetString( "/sim/aircraft-dir", result.c_str() );
576 SGPath full_name( result );
577 full_name.append( aircraft_set );
579 SG_LOG(SG_INPUT, SG_INFO, "Reading default aircraft: " << aircraft
580 << " from " << full_name.str());
582 readProperties( full_name.str(), globals->get_props() );
583 } catch ( const sg_exception &e ) {
584 string message = "Error reading default aircraft: ";
585 message += e.getFormattedMessage();
586 SG_LOG(SG_INPUT, SG_ALERT, message);
590 SG_LOG( SG_INPUT, SG_ALERT, "Cannot find specified aircraft: "
596 SG_LOG( SG_INPUT, SG_ALERT, "No default aircraft specified" );
600 char *envp = ::getenv( "APPDATA" );
602 SGPath config( envp );
603 config.append( "flightgear.org" );
605 if ( homedir != NULL ) {
606 SGPath config( homedir );
607 config.append( ".fgfs" );
609 config.append( "preferences.xml" );
610 SG_LOG(SG_INPUT, SG_INFO, "Reading user preferences");
612 fgLoadProps(config.str().c_str(), globals->get_props(), false,
613 SGPropertyNode::USERARCHIVE);
615 SG_LOG(SG_INPUT, SG_BULK, "First time reading user preferences.");
617 SG_LOG(SG_INPUT, SG_BULK, "Finished Reading user preferences");
620 // parse options after loading aircraft to ensure any user
621 // overrides of defaults are honored.
622 do_options(argc, argv);
628 // find basic airport location info from airport database
629 bool fgFindAirportID( const string& id, FGAirport *a ) {
630 const FGAirport* result;
632 SG_LOG( SG_GENERAL, SG_INFO, "Searching for airport code = " << id );
634 result = globals->get_airports()->search( id );
636 if ( result == NULL ) {
637 SG_LOG( SG_GENERAL, SG_ALERT,
638 "Failed to find " << id << " in apt.dat.gz" );
647 SG_LOG( SG_GENERAL, SG_INFO,
648 "Position for " << id << " is ("
649 << a->getLongitude() << ", "
650 << a->getLatitude() << ")" );
656 // get airport elevation
657 static double fgGetAirportElev( const string& id ) {
661 SG_LOG( SG_GENERAL, SG_INFO,
662 "Finding elevation for airport: " << id );
664 if ( fgFindAirportID( id, &a ) ) {
665 return a.getElevation();
674 // This function is never used, but maybe useful in the future ???
677 // Preset lon/lat given an airport id
678 static bool fgSetPosFromAirportID( const string& id ) {
682 SG_LOG( SG_GENERAL, SG_INFO,
683 "Attempting to set starting position from airport code " << id );
685 if ( fgFindAirportID( id, &a ) ) {
687 fgSetDouble("/sim/presets/longitude-deg", a.longitude );
688 fgSetDouble("/sim/presets/latitude-deg", a.latitude );
690 // other code depends on the actual postition being set so set
692 fgSetDouble("/position/longitude-deg", a.longitude );
693 fgSetDouble("/position/latitude-deg", a.latitude );
695 SG_LOG( SG_GENERAL, SG_INFO,
696 "Position for " << id << " is (" << a.longitude
697 << ", " << a.latitude << ")" );
707 // Set current tower position lon/lat given an airport id
708 static bool fgSetTowerPosFromAirportID( const string& id, double hdg ) {
710 // tower height hard coded for now...
711 float towerheight=50.0f;
713 // make a little off the heading for 1 runway airports...
714 float fudge_lon = fabs(sin(hdg)) * .003f;
715 float fudge_lat = .003f - fudge_lon;
717 if ( fgFindAirportID( id, &a ) ) {
718 fgSetDouble("/sim/tower/longitude-deg", a.getLongitude() + fudge_lon);
719 fgSetDouble("/sim/tower/latitude-deg", a.getLatitude() + fudge_lat);
720 fgSetDouble("/sim/tower/altitude-ft", a.getElevation() + towerheight);
728 struct FGTowerLocationListener : SGPropertyChangeListener {
729 void valueChanged(SGPropertyNode* node) {
730 const double hdg = fgGetDouble( "/orientation/heading-deg", 0);
731 const string id(node->getStringValue());
732 fgSetTowerPosFromAirportID(id, hdg);
736 static void fgInitTowerLocationListener() {
737 fgGetNode("/sim/tower/airport-id", true)
738 ->addChangeListener( new FGTowerLocationListener() );
741 // Set current_options lon/lat given an airport id and heading (degrees)
742 static bool fgSetPosFromAirportIDandHdg( const string& id, double tgt_hdg ) {
746 // set initial position from runway and heading
748 SG_LOG( SG_GENERAL, SG_INFO,
749 "Attempting to set starting position from airport code "
750 << id << " heading " << tgt_hdg );
752 if ( ! globals->get_runways()->search( id, (int)tgt_hdg, &r ) ) {
753 SG_LOG( SG_GENERAL, SG_ALERT,
754 "Failed to find a good runway for " << id << '\n' );
761 double lat2, lon2, az2;
762 double heading = r._heading;
763 double azimuth = heading + 180.0;
764 while ( azimuth >= 360.0 ) { azimuth -= 360.0; }
766 SG_LOG( SG_GENERAL, SG_INFO,
767 "runway = " << r._lon << ", " << r._lat
768 << " length = " << r._length * SG_FEET_TO_METER
769 << " heading = " << azimuth );
771 geo_direct_wgs_84 ( 0, r._lat, r._lon, azimuth,
772 r._length * SG_FEET_TO_METER * 0.5 - 5.0,
773 &lat2, &lon2, &az2 );
775 if ( fabs( fgGetDouble("/sim/presets/offset-distance") ) > SG_EPSILON ) {
777 double odist = fgGetDouble("/sim/presets/offset-distance");
778 odist *= SG_NM_TO_METER;
779 double oaz = azimuth;
780 if ( fabs(fgGetDouble("/sim/presets/offset-azimuth")) > SG_EPSILON ) {
781 oaz = fgGetDouble("/sim/presets/offset-azimuth") + 180;
784 while ( oaz >= 360.0 ) { oaz -= 360.0; }
785 geo_direct_wgs_84 ( 0, lat2, lon2, oaz, odist, &olat, &olon, &az2 );
791 fgSetDouble("/sim/presets/longitude-deg", lon2 );
792 fgSetDouble("/sim/presets/latitude-deg", lat2 );
793 fgSetDouble("/sim/presets/heading-deg", heading );
795 // other code depends on the actual values being set ...
796 fgSetDouble("/position/longitude-deg", lon2 );
797 fgSetDouble("/position/latitude-deg", lat2 );
798 fgSetDouble("/orientation/heading-deg", heading );
800 SG_LOG( SG_GENERAL, SG_INFO,
801 "Position for " << id << " is ("
803 << lat2 << ") new heading is "
810 // Set current_options lon/lat given an airport id and runway number
811 static bool fgSetPosFromAirportIDandRwy( const string& id, const string& rwy ) {
815 // set initial position from airport and runway number
817 SG_LOG( SG_GENERAL, SG_INFO,
818 "Attempting to set starting position for "
819 << id << ":" << rwy );
821 if ( ! globals->get_runways()->search( id, rwy, &r ) ) {
822 SG_LOG( SG_GENERAL, SG_ALERT,
823 "Failed to find runway " << rwy <<
824 " at airport " << id );
831 double lat2, lon2, az2;
832 double heading = r._heading;
833 double azimuth = heading + 180.0;
834 while ( azimuth >= 360.0 ) { azimuth -= 360.0; }
836 SG_LOG( SG_GENERAL, SG_INFO,
837 "runway = " << r._lon << ", " << r._lat
838 << " length = " << r._length * SG_FEET_TO_METER
839 << " heading = " << azimuth );
841 geo_direct_wgs_84 ( 0, r._lat, r._lon,
843 r._length * SG_FEET_TO_METER * 0.5 - 5.0,
844 &lat2, &lon2, &az2 );
846 if ( fabs( fgGetDouble("/sim/presets/offset-distance") ) > SG_EPSILON )
849 double odist = fgGetDouble("/sim/presets/offset-distance");
850 odist *= SG_NM_TO_METER;
851 double oaz = azimuth;
852 if ( fabs(fgGetDouble("/sim/presets/offset-azimuth")) > SG_EPSILON )
854 oaz = fgGetDouble("/sim/presets/offset-azimuth") + 180;
855 heading = fgGetDouble("/sim/presets/heading-deg");
857 while ( oaz >= 360.0 ) { oaz -= 360.0; }
858 geo_direct_wgs_84 ( 0, lat2, lon2, oaz, odist, &olat, &olon, &az2 );
864 fgSetDouble("/sim/presets/longitude-deg", lon2 );
865 fgSetDouble("/sim/presets/latitude-deg", lat2 );
866 fgSetDouble("/sim/presets/heading-deg", heading );
868 // other code depends on the actual values being set ...
869 fgSetDouble("/position/longitude-deg", lon2 );
870 fgSetDouble("/position/latitude-deg", lat2 );
871 fgSetDouble("/orientation/heading-deg", heading );
873 SG_LOG( SG_GENERAL, SG_INFO,
874 "Position for " << id << " is ("
876 << lat2 << ") new heading is "
883 static void fgSetDistOrAltFromGlideSlope() {
884 // cout << "fgSetDistOrAltFromGlideSlope()" << endl;
885 string apt_id = fgGetString("/sim/presets/airport-id");
886 double gs = fgGetDouble("/sim/presets/glideslope-deg")
887 * SG_DEGREES_TO_RADIANS ;
888 double od = fgGetDouble("/sim/presets/offset-distance");
889 double alt = fgGetDouble("/sim/presets/altitude-ft");
891 double apt_elev = 0.0;
892 if ( ! apt_id.empty() ) {
893 apt_elev = fgGetAirportElev( apt_id );
894 if ( apt_elev < -9990.0 ) {
901 if( fabs(gs) > 0.01 && fabs(od) > 0.1 && alt < -9990 ) {
902 // set altitude from glideslope and offset-distance
903 od *= SG_NM_TO_METER * SG_METER_TO_FEET;
904 alt = fabs(od*tan(gs)) + apt_elev;
905 fgSetDouble("/sim/presets/altitude-ft", alt);
906 fgSetBool("/sim/presets/onground", false);
907 SG_LOG( SG_GENERAL, SG_INFO, "Calculated altitude as: "
909 } else if( fabs(gs) > 0.01 && alt > 0 && fabs(od) < 0.1) {
910 // set offset-distance from glideslope and altitude
911 od = (alt - apt_elev) / tan(gs);
912 od *= -1*SG_FEET_TO_METER * SG_METER_TO_NM;
913 fgSetDouble("/sim/presets/offset-distance", od);
914 fgSetBool("/sim/presets/onground", false);
915 SG_LOG( SG_GENERAL, SG_INFO, "Calculated offset distance as: "
917 } else if( fabs(gs) > 0.01 ) {
918 SG_LOG( SG_GENERAL, SG_ALERT,
919 "Glideslope given but not altitude or offset-distance." );
920 SG_LOG( SG_GENERAL, SG_ALERT, "Resetting glideslope to zero" );
921 fgSetDouble("/sim/presets/glideslope-deg", 0);
922 fgSetBool("/sim/presets/onground", true);
927 // Set current_options lon/lat given an airport id and heading (degrees)
928 static bool fgSetPosFromNAV( const string& id, const double& freq ) {
930 = globals->get_navlist()->findByIdentAndFreq( id.c_str(), freq );
932 // set initial position from runway and heading
934 SG_LOG( SG_GENERAL, SG_INFO, "Attempting to set starting position for "
935 << id << ":" << freq );
937 double lon = nav->get_lon();
938 double lat = nav->get_lat();
940 if ( fabs( fgGetDouble("/sim/presets/offset-distance") ) > SG_EPSILON )
942 double odist = fgGetDouble("/sim/presets/offset-distance")
944 double oaz = fabs(fgGetDouble("/sim/presets/offset-azimuth"))
946 while ( oaz >= 360.0 ) { oaz -= 360.0; }
947 double olat, olon, az2;
948 geo_direct_wgs_84 ( 0, lat, lon, oaz, odist, &olat, &olon, &az2 );
955 fgSetDouble("/sim/presets/longitude-deg", lon );
956 fgSetDouble("/sim/presets/latitude-deg", lat );
958 // other code depends on the actual values being set ...
959 fgSetDouble("/position/longitude-deg", lon );
960 fgSetDouble("/position/latitude-deg", lat );
961 fgSetDouble("/orientation/heading-deg",
962 fgGetDouble("/sim/presets/heading-deg") );
964 SG_LOG( SG_GENERAL, SG_INFO,
965 "Position for " << id << ":" << freq << " is ("
966 << lon << ", "<< lat << ")" );
970 SG_LOG( SG_GENERAL, SG_ALERT, "Failed to locate NAV = "
971 << id << ":" << freq );
976 // Set current_options lon/lat given an aircraft carrier id
977 static bool fgSetPosFromCarrier( const string& carrier, const string& posid ) {
979 // set initial position from runway and heading
983 if (FGAIManager::getStartPosition(carrier, posid, geodPos, heading, uvw)) {
984 double lon = geodPos.lon() * SGD_RADIANS_TO_DEGREES;
985 double lat = geodPos.lat() * SGD_RADIANS_TO_DEGREES;
986 double alt = geodPos.elev() * SG_METER_TO_FEET;
988 SG_LOG( SG_GENERAL, SG_INFO, "Attempting to set starting position for "
989 << carrier << " at lat = " << lat << ", lon = " << lon
990 << ", alt = " << alt << ", heading = " << heading);
992 fgSetDouble("/sim/presets/longitude-deg", lon);
993 fgSetDouble("/sim/presets/latitude-deg", lat);
994 fgSetDouble("/sim/presets/altitude-ft", alt);
995 fgSetDouble("/sim/presets/heading-deg", heading);
996 fgSetDouble("/position/longitude-deg", lon);
997 fgSetDouble("/position/latitude-deg", lat);
998 fgSetDouble("/position/altitude-ft", alt);
999 fgSetDouble("/orientation/heading-deg", heading);
1001 fgSetString("/sim/presets/speed-set", "UVW");
1002 fgSetDouble("/velocities/uBody-fps", uvw[0]);
1003 fgSetDouble("/velocities/vBody-fps", uvw[1]);
1004 fgSetDouble("/velocities/wBody-fps", uvw[2]);
1005 fgSetDouble("/sim/presets/uBody-fps", uvw[0]);
1006 fgSetDouble("/sim/presets/vBody-fps", uvw[1]);
1007 fgSetDouble("/sim/presets/wBody-fps", uvw[2]);
1009 fgSetBool("/sim/presets/onground", true);
1013 SG_LOG( SG_GENERAL, SG_ALERT, "Failed to locate aircraft carrier = "
1019 // Set current_options lon/lat given an airport id and heading (degrees)
1020 static bool fgSetPosFromFix( const string& id ) {
1023 // set initial position from runway and heading
1024 if ( globals->get_fixlist()->query( id.c_str(), &fix ) ) {
1025 SG_LOG( SG_GENERAL, SG_INFO, "Attempting to set starting position for "
1028 double lon = fix.get_lon();
1029 double lat = fix.get_lat();
1031 if ( fabs( fgGetDouble("/sim/presets/offset-distance") ) > SG_EPSILON )
1033 double odist = fgGetDouble("/sim/presets/offset-distance")
1035 double oaz = fabs(fgGetDouble("/sim/presets/offset-azimuth"))
1037 while ( oaz >= 360.0 ) { oaz -= 360.0; }
1038 double olat, olon, az2;
1039 geo_direct_wgs_84 ( 0, lat, lon, oaz, odist, &olat, &olon, &az2 );
1046 fgSetDouble("/sim/presets/longitude-deg", lon );
1047 fgSetDouble("/sim/presets/latitude-deg", lat );
1049 // other code depends on the actual values being set ...
1050 fgSetDouble("/position/longitude-deg", lon );
1051 fgSetDouble("/position/latitude-deg", lat );
1052 fgSetDouble("/orientation/heading-deg",
1053 fgGetDouble("/sim/presets/heading-deg") );
1055 SG_LOG( SG_GENERAL, SG_INFO,
1056 "Position for " << id << " is ("
1057 << lon << ", "<< lat << ")" );
1061 SG_LOG( SG_GENERAL, SG_ALERT, "Failed to locate NAV = "
1067 static void parseWaypoints() {
1068 string_list *waypoints = globals->get_initial_waypoints();
1070 vector<string>::iterator i;
1071 for (i = waypoints->begin();
1072 i != waypoints->end();
1077 // Now were done using the way points we can deallocate the
1079 while (waypoints->begin() != waypoints->end()) {
1080 waypoints->pop_back();
1083 globals->set_initial_waypoints(0);
1092 * Initialize vor/ndb/ils/fix list management and query systems (as
1093 * well as simple airport db list)
1098 SG_LOG(SG_GENERAL, SG_INFO, "Loading Airport Database ...");
1100 SGPath aptdb( globals->get_fg_root() );
1101 aptdb.append( "Airports/apt.dat" );
1103 SGPath p_metar( globals->get_fg_root() );
1104 p_metar.append( "Airports/metar.dat" );
1106 FGAirportList *airports = new FGAirportList();
1107 globals->set_airports( airports );
1108 FGRunwayList *runways = new FGRunwayList();
1109 globals->set_runways( runways );
1111 fgAirportDBLoad( airports, runways, aptdb.str(), p_metar.str() );
1113 FGNavList *navlist = new FGNavList;
1114 FGNavList *loclist = new FGNavList;
1115 FGNavList *gslist = new FGNavList;
1116 FGNavList *dmelist = new FGNavList;
1117 FGNavList *mkrlist = new FGNavList;
1118 FGNavList *tacanlist = new FGNavList;
1119 FGNavList *carrierlist = new FGNavList;
1120 FGTACANList *channellist = new FGTACANList;
1122 globals->set_navlist( navlist );
1123 globals->set_loclist( loclist );
1124 globals->set_gslist( gslist );
1125 globals->set_dmelist( dmelist );
1126 globals->set_mkrlist( mkrlist );
1127 globals->set_tacanlist( tacanlist );
1128 globals->set_carrierlist( carrierlist );
1129 globals->set_channellist( channellist );
1131 if ( !fgNavDBInit(airports, navlist, loclist, gslist, dmelist, mkrlist, tacanlist, carrierlist, channellist) ) {
1132 SG_LOG( SG_GENERAL, SG_ALERT,
1133 "Problems loading one or more navigational database" );
1136 if ( fgGetBool("/sim/navdb/localizers/auto-align", true) ) {
1137 // align all the localizers with their corresponding runways
1138 // since data sources are good for cockpit navigation
1139 // purposes, but not always to the error tolerances needed to
1140 // exactly place these items.
1142 = fgGetDouble( "/sim/navdb/localizers/auto-align-threshold-deg",
1144 fgNavDBAlignLOCwithRunway( runways, loclist, threshold );
1147 SG_LOG(SG_GENERAL, SG_INFO, " Fixes");
1148 SGPath p_fix( globals->get_fg_root() );
1149 p_fix.append( "Navaids/fix.dat" );
1150 FGFixList *fixlist = new FGFixList;
1151 fixlist->init( p_fix );
1152 globals->set_fixlist( fixlist );
1158 // Set the initial position based on presets (or defaults)
1159 bool fgInitPosition() {
1160 // cout << "fgInitPosition()" << endl;
1161 double gs = fgGetDouble("/sim/presets/glideslope-deg")
1162 * SG_DEGREES_TO_RADIANS ;
1163 double od = fgGetDouble("/sim/presets/offset-distance");
1164 double alt = fgGetDouble("/sim/presets/altitude-ft");
1166 bool set_pos = false;
1168 // If glideslope is specified, then calculate offset-distance or
1169 // altitude relative to glide slope if either of those was not
1171 if ( fabs( gs ) > 0.01 ) {
1172 fgSetDistOrAltFromGlideSlope();
1176 // If we have an explicit, in-range lon/lat, don't change it, just use it.
1177 // If not, check for an airport-id and use that.
1178 // If not, default to the middle of the KSFO field.
1179 // The default values for lon/lat are deliberately out of range
1180 // so that the airport-id can take effect; valid lon/lat will
1181 // override airport-id, however.
1182 double lon_deg = fgGetDouble("/sim/presets/longitude-deg");
1183 double lat_deg = fgGetDouble("/sim/presets/latitude-deg");
1184 if ( lon_deg >= -180.0 && lon_deg <= 180.0
1185 && lat_deg >= -90.0 && lat_deg <= 90.0 )
1190 string apt = fgGetString("/sim/presets/airport-id");
1191 string rwy_no = fgGetString("/sim/presets/runway");
1192 double hdg = fgGetDouble("/sim/presets/heading-deg");
1193 string vor = fgGetString("/sim/presets/vor-id");
1194 double vor_freq = fgGetDouble("/sim/presets/vor-freq");
1195 string ndb = fgGetString("/sim/presets/ndb-id");
1196 double ndb_freq = fgGetDouble("/sim/presets/ndb-freq");
1197 string carrier = fgGetString("/sim/presets/carrier");
1198 string parkpos = fgGetString("/sim/presets/parkpos");
1199 string fix = fgGetString("/sim/presets/fix");
1201 fgSetDouble( "/orientation/heading-deg", hdg );
1202 fgInitTowerLocationListener();
1204 if ( !set_pos && !apt.empty() && !rwy_no.empty() ) {
1205 // An airport + runway is requested
1206 if ( fgSetPosFromAirportIDandRwy( apt, rwy_no ) ) {
1207 // set tower position (a little off the heading for single
1209 fgSetString("/sim/tower/airport-id", apt.c_str());
1214 if ( !set_pos && !apt.empty() ) {
1215 // An airport is requested (find runway closest to hdg)
1216 if ( fgSetPosFromAirportIDandHdg( apt, hdg ) ) {
1217 // set tower position (a little off the heading for single
1219 fgSetString("/sim/tower/airport-id", apt.c_str());
1224 if ( !set_pos && !vor.empty() ) {
1225 // a VOR is requested
1226 if ( fgSetPosFromNAV( vor, vor_freq ) ) {
1231 if ( !set_pos && !ndb.empty() ) {
1232 // an NDB is requested
1233 if ( fgSetPosFromNAV( ndb, ndb_freq ) ) {
1238 if ( !set_pos && !carrier.empty() ) {
1239 // an aircraft carrier is requested
1240 if ( fgSetPosFromCarrier( carrier, parkpos ) ) {
1245 if ( !set_pos && !fix.empty() ) {
1246 // a Fix is requested
1247 if ( fgSetPosFromFix( fix ) ) {
1253 // No lon/lat specified, no airport specified, default to
1254 // middle of KSFO field.
1255 fgSetDouble("/sim/presets/longitude-deg", -122.374843);
1256 fgSetDouble("/sim/presets/latitude-deg", 37.619002);
1259 fgSetDouble( "/position/longitude-deg",
1260 fgGetDouble("/sim/presets/longitude-deg") );
1261 fgSetDouble( "/position/latitude-deg",
1262 fgGetDouble("/sim/presets/latitude-deg") );
1264 // determine if this should be an on-ground or in-air start
1265 if ((fabs(gs) > 0.01 || fabs(od) > 0.1 || alt > 0.1) && carrier.empty()) {
1266 fgSetBool("/sim/presets/onground", false);
1268 fgSetBool("/sim/presets/onground", true);
1275 // General house keeping initializations
1276 bool fgInitGeneral() {
1279 #if defined(FX) && defined(XMESA)
1280 char *mesa_win_state;
1283 SG_LOG( SG_GENERAL, SG_INFO, "General Initialization" );
1284 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
1286 root = globals->get_fg_root();
1287 if ( ! root.length() ) {
1288 // No root path set? Then bail ...
1289 SG_LOG( SG_GENERAL, SG_ALERT,
1290 "Cannot continue without a path to the base package "
1291 << "being defined." );
1294 SG_LOG( SG_GENERAL, SG_INFO, "FG_ROOT = " << '"' << root << '"' << endl );
1296 #if defined(FX) && defined(XMESA)
1297 // initialize full screen flag
1298 globals->set_fullscreen(false);
1299 if ( strstr ( general.get_glRenderer(), "Glide" ) ) {
1300 // Test for the MESA_GLX_FX env variable
1301 if ( (mesa_win_state = getenv( "MESA_GLX_FX" )) != NULL) {
1302 // test if we are fullscreen mesa/glide
1303 if ( (mesa_win_state[0] == 'f') ||
1304 (mesa_win_state[0] == 'F') ) {
1305 globals->set_fullscreen(true);
1315 // Initialize the flight model subsystem. This just creates the
1316 // object. The actual fdm initialization is delayed until we get a
1317 // proper scenery elevation hit. This is checked for in main.cxx
1321 if ( cur_fdm_state ) {
1322 delete cur_fdm_state;
1326 double dt = 1.0 / fgGetInt("/sim/model-hz");
1327 string model = fgGetString("/sim/flight-model");
1330 if ( model == "larcsim" ) {
1331 cur_fdm_state = new FGLaRCsim( dt );
1332 } else if ( model == "jsb" ) {
1333 cur_fdm_state = new FGJSBsim( dt );
1335 } else if ( model == "ada" ) {
1336 cur_fdm_state = new FGADA( dt );
1337 } else if ( model == "acms" ) {
1338 cur_fdm_state = new FGACMS( dt );
1340 } else if ( model == "balloon" ) {
1341 cur_fdm_state = new FGBalloonSim( dt );
1342 } else if ( model == "magic" ) {
1343 cur_fdm_state = new FGMagicCarpet( dt );
1344 } else if ( model == "ufo" ) {
1345 cur_fdm_state = new FGUFO( dt );
1346 } else if ( model == "external" ) {
1347 // external is a synonym for "--fdm=null" and is
1348 // maintained here for backwards compatibility
1349 cur_fdm_state = new FGNullFDM( dt );
1350 } else if ( model.find("network") == 0 ) {
1351 string host = "localhost";
1355 string net_options = model.substr(8);
1356 string::size_type begin, end;
1359 end = net_options.find( ",", begin );
1360 if ( end != string::npos ) {
1361 host = net_options.substr(begin, end - begin);
1365 end = net_options.find( ",", begin );
1366 if ( end != string::npos ) {
1367 port1 = atoi( net_options.substr(begin, end - begin).c_str() );
1371 end = net_options.find( ",", begin );
1372 if ( end != string::npos ) {
1373 port2 = atoi( net_options.substr(begin, end - begin).c_str() );
1377 end = net_options.find( ",", begin );
1378 if ( end != string::npos ) {
1379 port3 = atoi( net_options.substr(begin, end - begin).c_str() );
1382 cur_fdm_state = new FGExternalNet( dt, host, port1, port2, port3 );
1383 } else if ( model.find("pipe") == 0 ) {
1384 // /* old */ string pipe_path = model.substr(5);
1385 // /* old */ cur_fdm_state = new FGExternalPipe( dt, pipe_path );
1386 string pipe_path = "";
1387 string pipe_protocol = "";
1388 string pipe_options = model.substr(5);
1389 string::size_type begin, end;
1392 end = pipe_options.find( ",", begin );
1393 if ( end != string::npos ) {
1394 pipe_path = pipe_options.substr(begin, end - begin);
1397 // protocol (last option)
1398 pipe_protocol = pipe_options.substr(begin);
1399 cur_fdm_state = new FGExternalPipe( dt, pipe_path, pipe_protocol );
1400 } else if ( model == "null" ) {
1401 cur_fdm_state = new FGNullFDM( dt );
1402 } else if ( model == "yasim" ) {
1403 cur_fdm_state = new YASim( dt );
1405 SG_LOG(SG_GENERAL, SG_ALERT,
1406 "Unrecognized flight model '" << model
1407 << "', cannot init flight dynamics model.");
1411 SG_LOG(SG_GENERAL, SG_ALERT, "FlightGear aborting\n\n");
1416 static void printMat(const sgVec4 *mat, char *name="")
1419 SG_LOG(SG_GENERAL, SG_BULK, name );
1420 for(i=0; i<4; i++) {
1421 SG_LOG(SG_GENERAL, SG_BULK, " " << mat[i][0] << " " << mat[i][1]
1422 << " " << mat[i][2] << " " << mat[i][3] );
1426 // Initialize view parameters
1428 // force update of model so that viewer can get some data...
1429 globals->get_aircraft_model()->update(0);
1430 // run update for current view so that data is current...
1431 globals->get_viewmgr()->update(0);
1433 printMat(globals->get_current_view()->get_VIEW(),"VIEW");
1434 printMat(globals->get_current_view()->get_UP(),"UP");
1435 // printMat(globals->get_current_view()->get_LOCAL(),"LOCAL");
1440 SGTime *fgInitTime() {
1442 static const SGPropertyNode *longitude
1443 = fgGetNode("/position/longitude-deg");
1444 static const SGPropertyNode *latitude
1445 = fgGetNode("/position/latitude-deg");
1446 static const SGPropertyNode *cur_time_override
1447 = fgGetNode("/sim/time/cur-time-override", true);
1449 SGPath zone( globals->get_fg_root() );
1450 zone.append( "Timezone" );
1451 SGTime *t = new SGTime( longitude->getDoubleValue()
1452 * SGD_DEGREES_TO_RADIANS,
1453 latitude->getDoubleValue()
1454 * SGD_DEGREES_TO_RADIANS,
1456 cur_time_override->getLongValue() );
1458 globals->set_warp_delta( 0 );
1460 t->update( 0.0, 0.0,
1461 cur_time_override->getLongValue(),
1462 globals->get_warp() );
1468 // set up a time offset (aka warp) if one is specified
1469 void fgInitTimeOffset() {
1470 static const SGPropertyNode *longitude
1471 = fgGetNode("/position/longitude-deg");
1472 static const SGPropertyNode *latitude
1473 = fgGetNode("/position/latitude-deg");
1474 static const SGPropertyNode *cur_time_override
1475 = fgGetNode("/sim/time/cur-time-override", true);
1477 // Handle potential user specified time offsets
1478 int orig_warp = globals->get_warp();
1479 SGTime *t = globals->get_time_params();
1480 time_t cur_time = t->get_cur_time();
1481 time_t currGMT = sgTimeGetGMT( gmtime(&cur_time) );
1482 time_t systemLocalTime = sgTimeGetGMT( localtime(&cur_time) );
1483 time_t aircraftLocalTime =
1484 sgTimeGetGMT( fgLocaltime(&cur_time, t->get_zonename() ) );
1486 // Okay, we now have several possible scenarios
1487 int offset = fgGetInt("/sim/startup/time-offset");
1488 string offset_type = fgGetString("/sim/startup/time-offset-type");
1491 if ( offset_type == "real" ) {
1493 } else if ( offset_type == "dawn" ) {
1494 warp = fgTimeSecondsUntilSunAngle( cur_time,
1495 longitude->getDoubleValue()
1496 * SGD_DEGREES_TO_RADIANS,
1497 latitude->getDoubleValue()
1498 * SGD_DEGREES_TO_RADIANS,
1500 } else if ( offset_type == "morning" ) {
1501 warp = fgTimeSecondsUntilSunAngle( cur_time,
1502 longitude->getDoubleValue()
1503 * SGD_DEGREES_TO_RADIANS,
1504 latitude->getDoubleValue()
1505 * SGD_DEGREES_TO_RADIANS,
1507 } else if ( offset_type == "noon" ) {
1508 warp = fgTimeSecondsUntilSunAngle( cur_time,
1509 longitude->getDoubleValue()
1510 * SGD_DEGREES_TO_RADIANS,
1511 latitude->getDoubleValue()
1512 * SGD_DEGREES_TO_RADIANS,
1514 } else if ( offset_type == "afternoon" ) {
1515 warp = fgTimeSecondsUntilSunAngle( cur_time,
1516 longitude->getDoubleValue()
1517 * SGD_DEGREES_TO_RADIANS,
1518 latitude->getDoubleValue()
1519 * SGD_DEGREES_TO_RADIANS,
1521 } else if ( offset_type == "dusk" ) {
1522 warp = fgTimeSecondsUntilSunAngle( cur_time,
1523 longitude->getDoubleValue()
1524 * SGD_DEGREES_TO_RADIANS,
1525 latitude->getDoubleValue()
1526 * SGD_DEGREES_TO_RADIANS,
1528 } else if ( offset_type == "evening" ) {
1529 warp = fgTimeSecondsUntilSunAngle( cur_time,
1530 longitude->getDoubleValue()
1531 * SGD_DEGREES_TO_RADIANS,
1532 latitude->getDoubleValue()
1533 * SGD_DEGREES_TO_RADIANS,
1535 } else if ( offset_type == "midnight" ) {
1536 warp = fgTimeSecondsUntilSunAngle( cur_time,
1537 longitude->getDoubleValue()
1538 * SGD_DEGREES_TO_RADIANS,
1539 latitude->getDoubleValue()
1540 * SGD_DEGREES_TO_RADIANS,
1542 } else if ( offset_type == "system-offset" ) {
1544 } else if ( offset_type == "gmt-offset" ) {
1545 warp = offset - (currGMT - systemLocalTime);
1546 } else if ( offset_type == "latitude-offset" ) {
1547 warp = offset - (aircraftLocalTime - systemLocalTime);
1548 } else if ( offset_type == "system" ) {
1549 warp = offset - cur_time;
1550 } else if ( offset_type == "gmt" ) {
1551 warp = offset - currGMT;
1552 } else if ( offset_type == "latitude" ) {
1553 warp = offset - (aircraftLocalTime - systemLocalTime) - cur_time;
1555 SG_LOG( SG_GENERAL, SG_ALERT,
1556 "FG_TIME::Unsupported offset type " << offset_type );
1559 globals->set_warp( orig_warp + warp );
1560 t->update( longitude->getDoubleValue() * SGD_DEGREES_TO_RADIANS,
1561 latitude->getDoubleValue() * SGD_DEGREES_TO_RADIANS,
1562 cur_time_override->getLongValue(),
1563 globals->get_warp() );
1565 SG_LOG( SG_GENERAL, SG_INFO, "After fgInitTimeOffset(): warp = "
1566 << globals->get_warp() );
1570 // This is the top level init routine which calls all the other
1571 // initialization routines. If you are adding a subsystem to flight
1572 // gear, its initialization call should located in this routine.
1573 // Returns non-zero if a problem encountered.
1574 bool fgInitSubsystems() {
1575 // static const SGPropertyNode *longitude
1576 // = fgGetNode("/sim/presets/longitude-deg");
1577 // static const SGPropertyNode *latitude
1578 // = fgGetNode("/sim/presets/latitude-deg");
1579 // static const SGPropertyNode *altitude
1580 // = fgGetNode("/sim/presets/altitude-ft");
1582 SG_LOG( SG_GENERAL, SG_INFO, "Initialize Subsystems");
1583 SG_LOG( SG_GENERAL, SG_INFO, "========== ==========");
1585 ////////////////////////////////////////////////////////////////////
1586 // Initialize the event manager subsystem.
1587 ////////////////////////////////////////////////////////////////////
1589 globals->get_event_mgr()->init();
1590 globals->get_event_mgr()->setRealtimeProperty(fgGetNode("/sim/time/delta-realtime-sec", true));
1592 ////////////////////////////////////////////////////////////////////
1593 // Initialize the property interpolator subsystem
1594 ////////////////////////////////////////////////////////////////////
1595 globals->add_subsystem("interpolator", new SGInterpolator);
1598 ////////////////////////////////////////////////////////////////////
1599 // Add the FlightGear property utilities.
1600 ////////////////////////////////////////////////////////////////////
1601 globals->add_subsystem("properties", new FGProperties);
1603 ////////////////////////////////////////////////////////////////////
1604 // Initialize the material property subsystem.
1605 ////////////////////////////////////////////////////////////////////
1607 SGPath mpath( globals->get_fg_root() );
1608 mpath.append( "materials.xml" );
1609 string season = fgGetString("/sim/startup/season", "summer");
1610 if ( ! globals->get_matlib()->load(globals->get_fg_root(), mpath.str(), season.c_str()) ) {
1611 SG_LOG( SG_GENERAL, SG_ALERT, "Error loading material lib!" );
1616 ////////////////////////////////////////////////////////////////////
1617 // Initialize the scenery management subsystem.
1618 ////////////////////////////////////////////////////////////////////
1620 if ( globals->get_tile_mgr()->init() ) {
1621 // Load the local scenery data
1622 double visibility_meters = fgGetDouble("/environment/visibility-m");
1624 globals->get_tile_mgr()->update( visibility_meters );
1626 SG_LOG( SG_GENERAL, SG_ALERT, "Error in Tile Manager initialization!" );
1630 // cause refresh of viewer scenery timestamps every 15 seconds...
1631 globals->get_event_mgr()->addTask( "FGTileMgr::refresh_view_timestamps()",
1632 globals->get_tile_mgr(),
1633 &FGTileMgr::refresh_view_timestamps,
1637 ////////////////////////////////////////////////////////////////////
1638 // Initialize the flight model subsystem.
1639 ////////////////////////////////////////////////////////////////////
1643 // allocates structures so must happen before any of the flight
1644 // model or control parameters are set
1645 fgAircraftInit(); // In the future this might not be the case.
1648 ////////////////////////////////////////////////////////////////////
1649 // Initialize the XML Autopilot subsystem.
1650 ////////////////////////////////////////////////////////////////////
1652 globals->add_subsystem( "xml-autopilot", new FGXMLAutopilot );
1653 globals->add_subsystem( "route-manager", new FGRouteMgr );
1656 ////////////////////////////////////////////////////////////////////
1657 // Initialize the view manager subsystem.
1658 ////////////////////////////////////////////////////////////////////
1662 ////////////////////////////////////////////////////////////////////
1663 // Create and register the logger.
1664 ////////////////////////////////////////////////////////////////////
1666 globals->add_subsystem("logger", new FGLogger);
1668 ////////////////////////////////////////////////////////////////////
1669 // Create and register the XML GUI.
1670 ////////////////////////////////////////////////////////////////////
1672 globals->add_subsystem("gui", new NewGUI, SGSubsystemMgr::INIT);
1675 ////////////////////////////////////////////////////////////////////
1676 // Initialize the local time subsystem.
1677 ////////////////////////////////////////////////////////////////////
1679 // update the current timezone each 30 minutes
1680 globals->get_event_mgr()->addTask( "fgUpdateLocalTime()",
1681 &fgUpdateLocalTime, 30*60 );
1682 fgInitTimeOffset(); // the environment subsystem needs this
1685 ////////////////////////////////////////////////////////////////////
1686 // Initialize the weather subsystem.
1687 ////////////////////////////////////////////////////////////////////
1689 // Initialize the weather modeling subsystem
1690 globals->add_subsystem("environment", new FGEnvironmentMgr);
1693 ////////////////////////////////////////////////////////////////////
1694 // Initialize the lighting subsystem.
1695 ////////////////////////////////////////////////////////////////////
1697 globals->add_subsystem("lighting", new FGLight);
1699 //////////////////////////////////////////////////////////////////////
1700 // Initialize the 2D cloud subsystem.
1701 ////////////////////////////////////////////////////////////////////
1702 fgGetBool("/sim/rendering/bump-mapping", false);
1704 #ifdef ENABLE_AUDIO_SUPPORT
1705 ////////////////////////////////////////////////////////////////////
1706 // Initialize the sound subsystem.
1707 ////////////////////////////////////////////////////////////////////
1709 init_volume = fgGetFloat("/sim/sound/volume");
1710 fgSetFloat("/sim/sound/volume", 0.0f);
1711 globals->set_soundmgr(new SGSoundMgr);
1712 globals->get_soundmgr()->init();
1713 globals->get_soundmgr()->bind();
1716 ////////////////////////////////////////////////////////////////////
1717 // Initialize the sound-effects subsystem.
1718 ////////////////////////////////////////////////////////////////////
1720 globals->add_subsystem("fx", new FGFX);
1724 ////////////////////////////////////////////////////////////////////
1725 // Initialise ATC display system
1726 ////////////////////////////////////////////////////////////////////
1728 SG_LOG(SG_GENERAL, SG_INFO, " ATC Display");
1729 globals->set_ATC_display(new FGATCDisplay);
1730 globals->get_ATC_display()->init();
1732 ////////////////////////////////////////////////////////////////////
1733 // Initialise the ATC Manager
1734 ////////////////////////////////////////////////////////////////////
1736 SG_LOG(SG_GENERAL, SG_INFO, " ATC Manager");
1737 globals->set_ATC_mgr(new FGATCMgr);
1738 globals->get_ATC_mgr()->init();
1740 ////////////////////////////////////////////////////////////////////
1741 // Initialise the AI Manager
1742 ////////////////////////////////////////////////////////////////////
1744 SG_LOG(SG_GENERAL, SG_INFO, " AI Manager");
1745 globals->set_AI_mgr(new FGAIMgr);
1746 globals->get_AI_mgr()->init();
1748 ////////////////////////////////////////////////////////////////////
1749 // Initialise the AI Model Manager
1750 ////////////////////////////////////////////////////////////////////
1751 SG_LOG(SG_GENERAL, SG_INFO, " AI Model Manager");
1752 globals->add_subsystem("ai_model", new FGAIManager);
1753 globals->add_subsystem("submodel_mgr", new FGSubmodelMgr);
1756 // It's probably a good idea to initialize the top level traffic manager
1757 // After the AI and ATC systems have been initialized properly.
1758 // AI Traffic manager
1759 globals->add_subsystem("Traffic Manager", new FGTrafficManager);
1760 FGTrafficManager *dispatcher =
1761 (FGTrafficManager*) globals->get_subsystem("Traffic Manager");
1762 SGPath path = globals->get_fg_root();
1763 path.append("/Traffic/fgtraffic.xml");
1766 //globals->get_subsystem("Traffic Manager")->init();
1768 globals->add_subsystem("instrumentation", new FGInstrumentMgr);
1769 globals->add_subsystem("systems", new FGSystemMgr);
1773 ////////////////////////////////////////////////////////////////////
1774 // Initialize the cockpit subsystem
1775 ////////////////////////////////////////////////////////////////////
1776 if( fgCockpitInit( ¤t_aircraft )) {
1777 // Cockpit initialized ok.
1779 SG_LOG( SG_GENERAL, SG_ALERT, "Error in Cockpit initialization!" );
1784 ////////////////////////////////////////////////////////////////////
1785 // Initialize the autopilot subsystem.
1786 ////////////////////////////////////////////////////////////////////
1788 // FIXME: these should go in the
1789 // GUI initialization code, not here.
1790 // fgAPAdjustInit();
1791 NewTgtAirportInit();
1795 ////////////////////////////////////////////////////////////////////
1796 // Initialize I/O subsystem.
1797 ////////////////////////////////////////////////////////////////////
1799 globals->get_io()->init();
1800 globals->get_io()->bind();
1803 ////////////////////////////////////////////////////////////////////
1804 // Add a new 2D panel.
1805 ////////////////////////////////////////////////////////////////////
1807 string panel_path = fgGetString("/sim/panel/path",
1808 "Panels/Default/default.xml");
1810 globals->set_current_panel( fgReadPanel(panel_path) );
1811 if (globals->get_current_panel() == 0) {
1812 SG_LOG( SG_INPUT, SG_ALERT,
1813 "Error reading new panel from " << panel_path );
1815 SG_LOG( SG_INPUT, SG_INFO, "Loaded new panel from " << panel_path );
1816 globals->get_current_panel()->init();
1817 globals->get_current_panel()->bind();
1821 ////////////////////////////////////////////////////////////////////
1822 // Initialize the controls subsystem.
1823 ////////////////////////////////////////////////////////////////////
1825 globals->get_controls()->init();
1826 globals->get_controls()->bind();
1829 ////////////////////////////////////////////////////////////////////
1830 // Initialize the input subsystem.
1831 ////////////////////////////////////////////////////////////////////
1833 globals->add_subsystem("input", new FGInput);
1836 ////////////////////////////////////////////////////////////////////
1837 // Initialize the replay subsystem
1838 ////////////////////////////////////////////////////////////////////
1839 globals->add_subsystem("replay", new FGReplay);
1841 ////////////////////////////////////////////////////////////////////
1842 // Bind and initialize subsystems.
1843 ////////////////////////////////////////////////////////////////////
1845 globals->get_subsystem_mgr()->bind();
1846 globals->get_subsystem_mgr()->init();
1848 #ifdef FG_MPLAYER_AS
1849 ////////////////////////////////////////////////////////////////////
1850 // Initialize multiplayer subsystem
1851 ////////////////////////////////////////////////////////////////////
1853 globals->set_multiplayer_mgr(new FGMultiplayMgr);
1854 globals->get_multiplayer_mgr()->init();
1857 ////////////////////////////////////////////////////////////////////////
1858 // Initialize the Nasal interpreter.
1859 // Do this last, so that the loaded scripts see initialized state
1860 ////////////////////////////////////////////////////////////////////////
1861 FGNasalSys* nasal = new FGNasalSys();
1862 globals->add_subsystem("nasal", nasal);
1865 ////////////////////////////////////////////////////////////////////
1866 // At this point we could try and parse the waypoint options
1867 ///////////////////////////////////////////////////////////////////
1870 // initialize methods that depend on other subsystems.
1871 globals->get_subsystem_mgr()->postinit();
1873 ////////////////////////////////////////////////////////////////////////
1874 // End of subsystem initialization.
1875 ////////////////////////////////////////////////////////////////////
1877 SG_LOG( SG_GENERAL, SG_INFO, endl);
1879 // Save the initial state for future
1881 globals->saveInitialState();
1887 void fgReInitSubsystems()
1889 // static const SGPropertyNode *longitude
1890 // = fgGetNode("/sim/presets/longitude-deg");
1891 // static const SGPropertyNode *latitude
1892 // = fgGetNode("/sim/presets/latitude-deg");
1893 static const SGPropertyNode *altitude
1894 = fgGetNode("/sim/presets/altitude-ft");
1895 static const SGPropertyNode *master_freeze
1896 = fgGetNode("/sim/freeze/master");
1898 SG_LOG( SG_GENERAL, SG_INFO,
1899 "fgReInitSubsystems(): /position/altitude = "
1900 << altitude->getDoubleValue() );
1902 bool freeze = master_freeze->getBoolValue();
1904 fgSetBool("/sim/freeze/master", true);
1906 fgSetBool("/sim/crashed", false);
1908 // Force reupdating the positions of the ai 3d models. They are used for
1909 // initializing ground level for the FDM.
1910 globals->get_subsystem("ai_model")->reinit();
1912 // Initialize the FDM
1915 // allocates structures so must happen before any of the flight
1916 // model or control parameters are set
1917 fgAircraftInit(); // In the future this might not be the case.
1919 // reload offsets from config defaults
1920 globals->get_viewmgr()->reinit();
1924 globals->get_controls()->reset_all();
1926 fgUpdateLocalTime();
1928 // re-init to proper time of day setting
1932 fgSetBool("/sim/freeze/master", false);
1934 fgSetBool("/sim/sceneryloaded",false);