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 - curt@infoplane.com
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
42 #include <string.h> // strcmp()
45 #if defined( unix ) || defined( __CYGWIN__ )
46 # include <unistd.h> // for gethostname()
49 // work around a stdc++ lib bug in some versions of linux, but doesn't
50 // seem to hurt to have this here for all versions of Linux.
52 # define _G_NO_EXTERN_TEMPLATES
55 #include <simgear/compiler.h>
56 #include <simgear/misc/exception.hxx>
60 #include <simgear/constants.h>
61 #include <simgear/debug/logstream.hxx>
62 #include <simgear/math/point3d.hxx>
63 #include <simgear/math/polar3d.hxx>
64 #include <simgear/math/sg_geodesy.hxx>
65 #include <simgear/misc/sg_path.hxx>
66 #ifdef FG_USE_CLOUDS_3D
67 # include <simgear/sky/clouds3d/SkySceneLoader.hpp>
68 # include <simgear/sky/clouds3d/SkyUtil.hpp>
70 #include <simgear/timing/sg_time.hxx>
71 #include <simgear/timing/lowleveltime.h>
73 #include <Aircraft/aircraft.hxx>
74 #include <FDM/UIUCModel/uiuc_aircraftdir.h>
75 #include <Airports/runways.hxx>
76 #include <Airports/simple.hxx>
77 #include <ATC/ATCdisplay.hxx>
78 #include <ATC/ATCmgr.hxx>
79 #include <ATC/AIMgr.hxx>
80 #include <Autopilot/auto_gui.hxx>
81 #include <Autopilot/newauto.hxx>
82 #include <Cockpit/cockpit.hxx>
83 #include <Cockpit/radiostack.hxx>
84 #include <Cockpit/panel.hxx>
85 #include <Cockpit/panel_io.hxx>
86 #include <FDM/ADA.hxx>
87 #include <FDM/Balloon.h>
88 #include <FDM/ExternalNet/ExternalNet.hxx>
89 #include <FDM/ExternalPipe/ExternalPipe.hxx>
90 #include <FDM/JSBSim/JSBSim.hxx>
91 #include <FDM/LaRCsim.hxx>
92 #include <FDM/MagicCarpet.hxx>
93 #include <FDM/UFO.hxx>
94 #include <FDM/NullFDM.hxx>
95 #include <FDM/YASim/YASim.hxx>
96 #include <GUI/new_gui.hxx>
97 #include <Include/general.hxx>
98 #include <Input/input.hxx>
99 #include <Instrumentation/instrument_mgr.hxx>
100 // #include <Joystick/joystick.hxx>
101 #include <Objects/matlib.hxx>
102 #include <Model/acmodel.hxx>
103 #include <Navaids/fixlist.hxx>
104 #include <Navaids/ilslist.hxx>
105 #include <Navaids/mkrbeacons.hxx>
106 #include <Navaids/navlist.hxx>
107 #include <Scenery/scenery.hxx>
108 #include <Scenery/tilemgr.hxx>
109 #if defined(HAVE_PLIB_PSL)
110 #include <Scripting/scriptmgr.hxx>
112 #include <Sound/fg_fx.hxx>
113 #include <Systems/system_mgr.hxx>
114 #include <Time/FGEventMgr.hxx>
115 #include <Time/light.hxx>
116 #include <Time/sunpos.hxx>
117 #include <Time/moonpos.hxx>
118 #include <Time/tmp.hxx>
121 #include <MultiPlayer/multiplaytxmgr.hxx>
122 #include <MultiPlayer/multiplayrxmgr.hxx>
126 # include <WeatherCM/FGLocalWeatherDatabase.h>
128 # include <Environment/environment_mgr.hxx>
131 #include "fg_init.hxx"
133 #include "fg_commands.hxx"
134 #include "fg_props.hxx"
135 #include "options.hxx"
136 #include "globals.hxx"
137 #include "logger.hxx"
138 #include "viewmgr.hxx"
140 #if defined(FX) && defined(XMESA)
141 #include <GL/xmesa.h>
144 SG_USING_STD(string);
149 extern const char *default_root;
151 #ifdef FG_USE_CLOUDS_3D
152 SkySceneLoader *sgCloud3d;
156 // Scan the command line options for the specified option and return
158 static string fgScanForOption( const string& option, int argc, char **argv ) {
161 SG_LOG(SG_GENERAL, SG_INFO, "Scanning command line for: " << option );
163 int len = option.length();
166 SG_LOG( SG_GENERAL, SG_DEBUG, "argv[" << i << "] = " << argv[i] );
168 string arg = argv[i];
169 if ( arg.find( option ) == 0 ) {
170 return arg.substr( len );
180 // Scan the user config files for the specified option and return
182 static string fgScanForOption( const string& option, const string& path ) {
183 sg_gzifstream in( path );
184 if ( !in.is_open() ) {
188 SG_LOG( SG_GENERAL, SG_INFO, "Scanning " << path << " for: " << option );
190 int len = option.length();
194 while ( ! in.eof() ) {
197 while ( in.get(c) && c != '\0' ) {
202 #if defined( macintosh )
203 getline( in, line, '\r' );
205 getline( in, line, '\n' );
208 // catch extraneous (DOS) line ending character
209 if ( line[line.length() - 1] < 32 ) {
210 line = line.substr( 0, line.length()-1 );
213 if ( line.find( option ) == 0 ) {
214 return line.substr( len );
224 // Read in configuration (files and command line options) but only set
226 bool fgInitFGRoot ( int argc, char **argv ) {
230 // First parse command line options looking for --fg-root=, this
231 // will override anything specified in a config file
232 root = fgScanForOption( "--fg-root=", argc, argv);
234 #if defined( unix ) || defined( __CYGWIN__ )
235 // Next check home directory for .fgfsrc.hostname file
236 if ( root.empty() ) {
237 envp = ::getenv( "HOME" );
238 if ( envp != NULL ) {
239 SGPath config( envp );
240 config.append( ".fgfsrc" );
242 gethostname( name, 256 );
243 config.concat( "." );
244 config.concat( name );
245 root = fgScanForOption( "--fg-root=", config.str() );
250 // Next check home directory for .fgfsrc file
251 if ( root.empty() ) {
252 envp = ::getenv( "HOME" );
253 if ( envp != NULL ) {
254 SGPath config( envp );
255 config.append( ".fgfsrc" );
256 root = fgScanForOption( "--fg-root=", config.str() );
260 // Next check if fg-root is set as an env variable
261 if ( root.empty() ) {
262 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( macintosh )
282 SG_LOG(SG_INPUT, SG_INFO, "fg_root = " << root );
283 globals->set_fg_root(root);
289 // Read in configuration (files and command line options) but only set
291 bool fgInitFGAircraft ( int argc, char **argv ) {
295 // First parse command line options looking for --aircraft=, this
296 // will override anything specified in a config file
297 aircraft = fgScanForOption( "--aircraft=", argc, argv );
299 #if defined( unix ) || defined( __CYGWIN__ )
300 // Next check home directory for .fgfsrc.hostname file
301 if ( aircraft.empty() ) {
302 envp = ::getenv( "HOME" );
303 if ( envp != NULL ) {
304 SGPath config( envp );
305 config.append( ".fgfsrc" );
307 gethostname( name, 256 );
308 config.concat( "." );
309 config.concat( name );
310 aircraft = fgScanForOption( "--aircraft=", config.str() );
315 // Next check home directory for .fgfsrc file
316 if ( aircraft.empty() ) {
317 envp = ::getenv( "HOME" );
318 if ( envp != NULL ) {
319 SGPath config( envp );
320 config.append( ".fgfsrc" );
321 aircraft = fgScanForOption( "--aircraft=", config.str() );
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, "Incorrect path in configuration file.");
411 d_path.append(d_path_str);
412 SG_LOG(SG_GENERAL, SG_INFO, "Reading localized strings from "
415 SGPropertyNode *strings = c_node->getNode("strings");
417 readProperties(d_path.str(), strings);
418 } catch (const sg_exception &e) {
419 SG_LOG(SG_GENERAL, SG_ALERT, "Unable to read the localized strings");
424 // Load the language specific strings
426 if (c_node != d_node) {
427 SGPath c_path( globals->get_fg_root() );
429 const char *c_path_str = c_node->getStringValue("strings");
431 SG_LOG(SG_GENERAL, SG_ALERT, "Incorrect path in configuration file.");
435 c_path.append(c_path_str);
436 SG_LOG(SG_GENERAL, SG_INFO, "Reading localized strings from "
440 readProperties(c_path.str(), strings);
441 } catch (const sg_exception &e) {
442 SG_LOG(SG_GENERAL, SG_ALERT, "Unable to read the localized strings");
452 // Initialize the localization routines
453 bool fgDetectLanguage() {
454 char *language = ::getenv("LANG");
456 if (language == NULL) {
457 SG_LOG(SG_GENERAL, SG_INFO, "Unable to detect the language" );
461 SGPropertyNode *locale = fgInitLocale(language);
463 SG_LOG(SG_GENERAL, SG_ALERT,
464 "No internationalization settings specified in preferences.xml" );
469 globals->set_locale( locale );
474 // Attempt to locate and parse the various non-XML config files in order
475 // from least precidence to greatest precidence
477 do_options (int argc, char ** argv)
479 // Check for $fg_root/system.fgfsrc
480 SGPath config( globals->get_fg_root() );
481 config.append( "system.fgfsrc" );
482 fgParseOptions(config.str());
484 #if defined( unix ) || defined( __CYGWIN__ )
486 // Check for $fg_root/system.fgfsrc.hostname
487 gethostname( name, 256 );
488 config.concat( "." );
489 config.concat( name );
490 fgParseOptions(config.str());
493 // Check for ~/.fgfsrc
494 char* envp = ::getenv( "HOME" );
495 if ( envp != NULL ) {
497 config.append( ".fgfsrc" );
498 fgParseOptions(config.str());
501 #if defined( unix ) || defined( __CYGWIN__ )
502 // Check for ~/.fgfsrc.hostname
503 gethostname( name, 256 );
504 config.concat( "." );
505 config.concat( name );
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 // Read in configuration (file and command line)
516 bool fgInitConfig ( int argc, char **argv ) {
518 // First, set some sane default values
521 // Read global preferences from $FG_ROOT/preferences.xml
522 SG_LOG(SG_INPUT, SG_INFO, "Reading global preferences");
523 fgLoadProps("preferences.xml", globals->get_props());
524 SG_LOG(SG_INPUT, SG_INFO, "Finished Reading global preferences");
526 // Detect the required language as early as possible
527 if ( !fgDetectLanguage() ) {
531 // Scan user config files and command line for a specified aircraft.
532 fgInitFGAircraft(argc, argv);
534 string aircraft = fgGetString("/sim/aircraft", "");
535 if ( aircraft.size() > 0 ) {
536 SGPath aircraft_path(globals->get_fg_root());
537 aircraft_path.append("Aircraft");
538 aircraft_path.append(aircraft);
539 aircraft_path.concat("-set.xml");
540 SG_LOG(SG_INPUT, SG_INFO, "Reading default aircraft: " << aircraft
541 << " from " << aircraft_path.str());
543 readProperties(aircraft_path.str(), globals->get_props());
544 } catch (const sg_exception &e) {
545 string message = "Error reading default aircraft: ";
546 message += e.getFormattedMessage();
547 SG_LOG(SG_INPUT, SG_ALERT, message);
551 SG_LOG(SG_INPUT, SG_ALERT, "No default aircraft specified");
554 // parse options after loading aircraft to ensure any user
555 // overrides of defaults are honored.
556 do_options(argc, argv);
562 // find basic airport location info from airport database
563 bool fgFindAirportID( const string& id, FGAirport *a ) {
565 SGPath path( globals->get_fg_root() );
566 path.append( "Airports" );
567 path.append( "simple.mk4" );
568 FGAirports airports( path.c_str() );
570 SG_LOG( SG_GENERAL, SG_INFO, "Searching for airport code = " << id );
572 if ( ! airports.search( id, a ) ) {
573 SG_LOG( SG_GENERAL, SG_ALERT,
574 "Failed to find " << id << " in " << path.str() );
581 SG_LOG( SG_GENERAL, SG_INFO,
582 "Position for " << id << " is ("
583 << a->longitude << ", "
584 << a->latitude << ")" );
590 // get airport elevation
591 static double fgGetAirportElev( const string& id ) {
595 SG_LOG( SG_GENERAL, SG_INFO,
596 "Finding elevation for airport: " << id );
598 if ( fgFindAirportID( id, &a ) ) {
606 // Preset lon/lat given an airport id
607 static bool fgSetPosFromAirportID( const string& id ) {
611 SG_LOG( SG_GENERAL, SG_INFO,
612 "Attempting to set starting position from airport code " << id );
614 if ( fgFindAirportID( id, &a ) ) {
616 fgSetDouble("/sim/presets/longitude-deg", a.longitude );
617 fgSetDouble("/sim/presets/latitude-deg", a.latitude );
619 // other code depends on the actual postition being set so set
621 fgSetDouble("/position/longitude-deg", a.longitude );
622 fgSetDouble("/position/latitude-deg", a.latitude );
624 SG_LOG( SG_GENERAL, SG_INFO,
625 "Position for " << id << " is (" << a.longitude
626 << ", " << a.latitude << ")" );
635 // Set current tower position lon/lat given an airport id
636 static bool fgSetTowerPosFromAirportID( const string& id, double hdg ) {
638 // tower height hard coded for now...
639 float towerheight=50.0f;
641 // make a little off the heading for 1 runway airports...
642 float fudge_lon = fabs(sin(hdg)) * .003f;
643 float fudge_lat = .003f - fudge_lon;
645 if ( fgFindAirportID( id, &a ) ) {
646 fgSetDouble("/sim/tower/longitude-deg", a.longitude + fudge_lon);
647 fgSetDouble("/sim/tower/latitude-deg", a.latitude + fudge_lat);
648 fgSetDouble("/sim/tower/altitude-ft", a.elevation + towerheight);
657 // Set current_options lon/lat given an airport id and heading (degrees)
658 static bool fgSetPosFromAirportIDandHdg( const string& id, double tgt_hdg ) {
662 // set initial position from runway and heading
664 SGPath path( globals->get_fg_root() );
665 path.append( "Airports" );
666 path.append( "runways.mk4" );
667 FGRunways runways( path.c_str() );
669 SG_LOG( SG_GENERAL, SG_INFO,
670 "Attempting to set starting position from airport code "
671 << id << " heading " << tgt_hdg );
673 if ( ! runways.search( id, (int)tgt_hdg, &r ) ) {
674 SG_LOG( SG_GENERAL, SG_ALERT,
675 "Failed to find a good runway for " << id << '\n' );
682 double lat2, lon2, az2;
683 double heading = r.heading;
684 double azimuth = heading + 180.0;
685 while ( azimuth >= 360.0 ) { azimuth -= 360.0; }
687 SG_LOG( SG_GENERAL, SG_INFO,
688 "runway = " << r.lon << ", " << r.lat
689 << " length = " << r.length * SG_FEET_TO_METER
690 << " heading = " << azimuth );
692 geo_direct_wgs_84 ( 0, r.lat, r.lon, azimuth,
693 r.length * SG_FEET_TO_METER * 0.5 - 5.0,
694 &lat2, &lon2, &az2 );
696 if ( fabs( fgGetDouble("/sim/presets/offset-distance") ) > SG_EPSILON ) {
698 double odist = fgGetDouble("/sim/presets/offset-distance");
699 odist *= SG_NM_TO_METER;
700 double oaz = azimuth;
701 if ( fabs(fgGetDouble("/sim/presets/offset-azimuth")) > SG_EPSILON ) {
702 oaz = fgGetDouble("/sim/presets/offset-azimuth") + 180;
704 while ( oaz >= 360.0 ) { oaz -= 360.0; }
705 geo_direct_wgs_84 ( 0, lat2, lon2, oaz, odist, &olat, &olon, &az2 );
711 fgSetDouble("/sim/presets/longitude-deg", lon2 );
712 fgSetDouble("/sim/presets/latitude-deg", lat2 );
713 fgSetDouble("/sim/presets/heading-deg", heading );
715 // other code depends on the actual values being set ...
716 fgSetDouble("/position/longitude-deg", lon2 );
717 fgSetDouble("/position/latitude-deg", lat2 );
718 fgSetDouble("/orientation/heading-deg", heading );
720 SG_LOG( SG_GENERAL, SG_INFO,
721 "Position for " << id << " is ("
723 << lat2 << ") new heading is "
730 // Set current_options lon/lat given an airport id and runway number
731 static bool fgSetPosFromAirportIDandRwy( const string& id, const string& rwy ) {
735 // set initial position from airport and runway number
737 SGPath path( globals->get_fg_root() );
738 path.append( "Airports" );
739 path.append( "runways.mk4" );
740 FGRunways runways( path.c_str() );
742 SG_LOG( SG_GENERAL, SG_INFO,
743 "Attempting to set starting position for "
744 << id << ":" << rwy );
746 if ( ! runways.search( id, rwy, &r ) ) {
747 SG_LOG( SG_GENERAL, SG_ALERT,
748 "Failed to find runway " << rwy <<
749 " at airport " << id );
756 double lat2, lon2, az2;
757 double heading = r.heading;
758 double azimuth = heading + 180.0;
759 while ( azimuth >= 360.0 ) { azimuth -= 360.0; }
761 SG_LOG( SG_GENERAL, SG_INFO,
762 "runway = " << r.lon << ", " << r.lat
763 << " length = " << r.length * SG_FEET_TO_METER
764 << " heading = " << azimuth );
766 geo_direct_wgs_84 ( 0, r.lat, r.lon,
768 r.length * SG_FEET_TO_METER * 0.5 - 5.0,
769 &lat2, &lon2, &az2 );
771 if ( fabs( fgGetDouble("/sim/presets/offset-distance") ) > SG_EPSILON )
774 double odist = fgGetDouble("/sim/presets/offset-distance");
775 odist *= SG_NM_TO_METER;
776 double oaz = azimuth;
777 if ( fabs(fgGetDouble("/sim/presets/offset-azimuth")) > SG_EPSILON )
779 oaz = fgGetDouble("/sim/presets/offset-azimuth") + 180;
781 while ( oaz >= 360.0 ) { oaz -= 360.0; }
782 geo_direct_wgs_84 ( 0, lat2, lon2, oaz, odist, &olat, &olon, &az2 );
788 fgSetDouble("/sim/presets/longitude-deg", lon2 );
789 fgSetDouble("/sim/presets/latitude-deg", lat2 );
790 fgSetDouble("/sim/presets/heading-deg", heading );
792 // other code depends on the actual values being set ...
793 fgSetDouble("/position/longitude-deg", lon2 );
794 fgSetDouble("/position/latitude-deg", lat2 );
795 fgSetDouble("/orientation/heading-deg", heading );
797 SG_LOG( SG_GENERAL, SG_INFO,
798 "Position for " << id << " is ("
800 << lat2 << ") new heading is "
807 static void fgSetDistOrAltFromGlideSlope() {
808 string apt_id = fgGetString("/sim/presets/airport-id");
809 double gs = fgGetDouble("/sim/presets/glideslope-deg")
810 * SG_DEGREES_TO_RADIANS ;
811 double od = fgGetDouble("/sim/presets/offset-distance");
812 double alt = fgGetDouble("/sim/presets/altitude-ft");
814 double apt_elev = 0.0;
815 if ( ! apt_id.empty() ) {
816 apt_elev = fgGetAirportElev( apt_id );
817 if ( apt_elev < -9990.0 ) {
824 if( fabs(gs) > 0.01 && fabs(od) > 0.1 && alt < -9990 ) {
825 // set altitude from glideslope and offset-distance
826 od *= SG_NM_TO_METER * SG_METER_TO_FEET;
827 alt = fabs(od*tan(gs)) + apt_elev;
828 fgSetDouble("/sim/presets/altitude-ft", alt);
829 fgSetBool("/sim/presets/onground", false);
830 SG_LOG( SG_GENERAL, SG_INFO, "Calculated altitude as: "
832 } else if( fabs(gs) > 0.01 && alt > 0 && fabs(od) < 0.1) {
833 // set offset-distance from glideslope and altitude
834 od = (alt - apt_elev) / tan(gs);
835 od *= -1*SG_FEET_TO_METER * SG_METER_TO_NM;
836 fgSetDouble("/sim/presets/offset-distance", od);
837 fgSetBool("/sim/presets/onground", false);
838 SG_LOG( SG_GENERAL, SG_INFO, "Calculated offset distance as: "
840 } else if( fabs(gs) > 0.01 ) {
841 SG_LOG( SG_GENERAL, SG_ALERT,
842 "Glideslope given but not altitude or offset-distance." );
843 SG_LOG( SG_GENERAL, SG_ALERT, "Resetting glideslope to zero" );
844 fgSetDouble("/sim/presets/glideslope-deg", 0);
845 fgSetBool("/sim/presets/onground", true);
850 // Set current_options lon/lat given an airport id and heading (degrees)
851 static bool fgSetPosFromNAV( const string& id, const double& freq ) {
852 FGNav *nav = current_navlist->findByIdentAndFreq( id.c_str(), freq );
854 // set initial position from runway and heading
856 SG_LOG( SG_GENERAL, SG_INFO, "Attempting to set starting position for "
857 << id << ":" << freq );
859 double lon = nav->get_lon();
860 double lat = nav->get_lat();
862 if ( fabs( fgGetDouble("/sim/presets/offset-distance") ) > SG_EPSILON )
864 double odist = fgGetDouble("/sim/presets/offset-distance")
866 double oaz = fabs(fgGetDouble("/sim/presets/offset-azimuth"))
868 while ( oaz >= 360.0 ) { oaz -= 360.0; }
869 double olat, olon, az2;
870 geo_direct_wgs_84 ( 0, lat, lon, oaz, odist, &olat, &olon, &az2 );
877 fgSetDouble("/sim/presets/longitude-deg", lon );
878 fgSetDouble("/sim/presets/latitude-deg", lat );
880 // other code depends on the actual values being set ...
881 fgSetDouble("/position/longitude-deg", lon );
882 fgSetDouble("/position/latitude-deg", lat );
883 fgSetDouble("/orientation/heading-deg",
884 fgGetDouble("/sim/presets/heading-deg") );
886 SG_LOG( SG_GENERAL, SG_INFO,
887 "Position for " << id << ":" << freq << " is ("
888 << lon << ", "<< lat << ")" );
892 SG_LOG( SG_GENERAL, SG_ALERT, "Failed to locate NAV = "
893 << id << ":" << freq );
899 // Set current_options lon/lat given an airport id and heading (degrees)
900 static bool fgSetPosFromFix( const string& id ) {
903 // set initial position from runway and heading
904 if ( current_fixlist->query( id.c_str(), &fix ) ) {
905 SG_LOG( SG_GENERAL, SG_INFO, "Attempting to set starting position for "
908 double lon = fix.get_lon();
909 double lat = fix.get_lat();
911 if ( fabs( fgGetDouble("/sim/presets/offset-distance") ) > SG_EPSILON )
913 double odist = fgGetDouble("/sim/presets/offset-distance")
915 double oaz = fabs(fgGetDouble("/sim/presets/offset-azimuth"))
917 while ( oaz >= 360.0 ) { oaz -= 360.0; }
918 double olat, olon, az2;
919 geo_direct_wgs_84 ( 0, lat, lon, oaz, odist, &olat, &olon, &az2 );
926 fgSetDouble("/sim/presets/longitude-deg", lon );
927 fgSetDouble("/sim/presets/latitude-deg", lat );
929 // other code depends on the actual values being set ...
930 fgSetDouble("/position/longitude-deg", lon );
931 fgSetDouble("/position/latitude-deg", lat );
932 fgSetDouble("/orientation/heading-deg",
933 fgGetDouble("/sim/presets/heading-deg") );
935 SG_LOG( SG_GENERAL, SG_INFO,
936 "Position for " << id << " is ("
937 << lon << ", "<< lat << ")" );
941 SG_LOG( SG_GENERAL, SG_ALERT, "Failed to locate NAV = "
949 * Initialize vor/ndb/ils/fix list management and query systems
954 SG_LOG(SG_GENERAL, SG_INFO, "Loading Navaids");
956 SG_LOG(SG_GENERAL, SG_INFO, " VOR/NDB");
957 current_navlist = new FGNavList;
958 SGPath p_nav( globals->get_fg_root() );
959 p_nav.append( "Navaids/default.nav" );
960 current_navlist->init( p_nav );
962 SG_LOG(SG_GENERAL, SG_INFO, " ILS and Marker Beacons");
963 current_beacons = new FGMarkerBeacons;
964 current_beacons->init();
965 current_ilslist = new FGILSList;
966 SGPath p_ils( globals->get_fg_root() );
967 p_ils.append( "Navaids/default.ils" );
968 current_ilslist->init( p_ils );
970 SG_LOG(SG_GENERAL, SG_INFO, " Fixes");
971 current_fixlist = new FGFixList;
972 SGPath p_fix( globals->get_fg_root() );
973 p_fix.append( "Navaids/default.fix" );
974 current_fixlist->init( p_fix );
980 // Set the initial position based on presets (or defaults)
981 bool fgInitPosition() {
982 bool set_pos = false;
984 // Default to starting on the ground unless one of the other
985 // conditions implies an in-air start.
986 fgSetBool("/sim/presets/onground", true);
988 // If glideslope is specified, then calculate offset-distance or
989 // altitude relative to glide slope if either of those was not
991 fgSetDistOrAltFromGlideSlope();
993 // If we have an explicit, in-range lon/lat, don't change it, just use it.
994 // If not, check for an airport-id and use that.
995 // If not, default to the middle of the KSFO field.
996 // The default values for lon/lat are deliberately out of range
997 // so that the airport-id can take effect; valid lon/lat will
998 // override airport-id, however.
999 double lon_deg = fgGetDouble("/sim/presets/longitude-deg");
1000 double lat_deg = fgGetDouble("/sim/presets/latitude-deg");
1001 if ( lon_deg >= -180.0 && lon_deg <= 180.0
1002 && lat_deg >= -90.0 && lat_deg <= 90.0 )
1007 string apt = fgGetString("/sim/presets/airport-id");
1008 string rwy_no = fgGetString("/sim/presets/runway");
1009 double hdg = fgGetDouble("/sim/presets/heading-deg");
1010 string vor = fgGetString("/sim/presets/vor-id");
1011 double vor_freq = fgGetDouble("/sim/presets/vor-freq");
1012 string ndb = fgGetString("/sim/presets/ndb-id");
1013 double ndb_freq = fgGetDouble("/sim/presets/ndb-freq");
1014 string fix = fgGetString("/sim/presets/fix");
1015 if ( !set_pos && !apt.empty() && !rwy_no.empty() ) {
1016 // An airport + runway is requested
1017 if ( fgSetPosFromAirportIDandRwy( apt, rwy_no ) ) {
1018 // set position (a little off the heading for single
1020 fgSetTowerPosFromAirportID( apt, hdg );
1025 if ( !set_pos && !apt.empty() ) {
1026 // An airport is requested (find runway closest to hdg)
1028 if (fgGetDouble("/sim/presets/altitude-ft") <= 0 &&
1029 fgGetDouble("/sim/presets/offset-distance") == 0)
1030 ok = fgSetPosFromAirportIDandHdg( apt, hdg );
1032 ok = fgSetPosFromAirportID( apt );
1035 // set position (a little off the heading for single
1037 fgSetTowerPosFromAirportID( apt, hdg );
1042 if ( !set_pos && !vor.empty() ) {
1043 // a VOR is requested
1044 if ( fgSetPosFromNAV( vor, vor_freq ) ) {
1045 if ( fgGetDouble("/sim/presets/altitude-ft") > -9990.0 ) {
1046 fgSetBool("/sim/presets/onground", false);
1048 fgSetBool("/sim/presets/onground", true);
1053 if ( !set_pos && !ndb.empty() ) {
1054 // an NDB is requested
1055 if ( fgSetPosFromNAV( ndb, ndb_freq ) ) {
1056 if ( fgGetDouble("/sim/presets/altitude-ft") > -9990.0 ) {
1057 fgSetBool("/sim/presets/onground", false);
1059 fgSetBool("/sim/presets/onground", true);
1064 if ( !set_pos && !fix.empty() ) {
1065 // a Fix is requested
1066 if ( fgSetPosFromFix( fix ) ) {
1067 if ( fgGetDouble("/sim/presets/altitude-ft") > -9990.0 ) {
1068 fgSetBool("/sim/presets/onground", false);
1070 fgSetBool("/sim/presets/onground", true);
1077 // No lon/lat specified, no airport specified, default to
1078 // middle of KSFO field.
1079 fgSetDouble("/sim/presets/longitude-deg", -122.374843);
1080 fgSetDouble("/sim/presets/latitude-deg", 37.619002);
1083 fgSetDouble( "/position/longitude-deg",
1084 fgGetDouble("/sim/presets/longitude-deg") );
1085 fgSetDouble( "/position/latitude-deg",
1086 fgGetDouble("/sim/presets/latitude-deg") );
1087 fgSetDouble( "/orientation/heading-deg",
1088 fgGetDouble("/sim/presets/heading-deg") );
1094 // General house keeping initializations
1095 bool fgInitGeneral() {
1098 #if defined(FX) && defined(XMESA)
1099 char *mesa_win_state;
1102 SG_LOG( SG_GENERAL, SG_INFO, "General Initialization" );
1103 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
1105 root = globals->get_fg_root();
1106 if ( ! root.length() ) {
1107 // No root path set? Then bail ...
1108 SG_LOG( SG_GENERAL, SG_ALERT,
1109 "Cannot continue without a path to the base package "
1110 << "being defined." );
1113 SG_LOG( SG_GENERAL, SG_INFO, "FG_ROOT = " << '"' << root << '"' << endl );
1115 #if defined(FX) && defined(XMESA)
1116 // initialize full screen flag
1117 globals->set_fullscreen(false);
1118 if ( strstr ( general.get_glRenderer(), "Glide" ) ) {
1119 // Test for the MESA_GLX_FX env variable
1120 if ( (mesa_win_state = getenv( "MESA_GLX_FX" )) != NULL) {
1121 // test if we are fullscreen mesa/glide
1122 if ( (mesa_win_state[0] == 'f') ||
1123 (mesa_win_state[0] == 'F') ) {
1124 globals->set_fullscreen(true);
1134 // Initialize the flight model subsystem. This just creates the
1135 // object. The actual fdm initialization is delayed until we get a
1136 // proper scenery elevation hit. This is checked for in main.cxx
1140 if ( cur_fdm_state ) {
1141 delete cur_fdm_state;
1145 double dt = 1.0 / fgGetInt("/sim/model-hz");
1146 aircraft_dir = fgGetString("/sim/aircraft-dir");
1147 const string &model = fgGetString("/sim/flight-model");
1150 if ( model == "larcsim" ) {
1151 cur_fdm_state = new FGLaRCsim( dt );
1152 } else if ( model == "jsb" ) {
1153 cur_fdm_state = new FGJSBsim( dt );
1154 } else if ( model == "ada" ) {
1155 cur_fdm_state = new FGADA( dt );
1156 } else if ( model == "balloon" ) {
1157 cur_fdm_state = new FGBalloonSim( dt );
1158 } else if ( model == "magic" ) {
1159 cur_fdm_state = new FGMagicCarpet( dt );
1160 } else if ( model == "ufo" ) {
1161 cur_fdm_state = new FGUFO( dt );
1162 } else if ( model == "external" ) {
1163 // external is a synonym for "--fdm=null" and is
1164 // maintained here for backwards compatibility
1165 cur_fdm_state = new FGNullFDM( dt );
1166 } else if ( model.find("network") == 0 ) {
1167 string host = "localhost";
1171 string net_options = model.substr(8);
1172 string::size_type begin, end;
1175 end = net_options.find( ",", begin );
1176 if ( end != string::npos ) {
1177 host = net_options.substr(begin, end - begin);
1181 end = net_options.find( ",", begin );
1182 if ( end != string::npos ) {
1183 port1 = atoi( net_options.substr(begin, end - begin).c_str() );
1187 end = net_options.find( ",", begin );
1188 if ( end != string::npos ) {
1189 port2 = atoi( net_options.substr(begin, end - begin).c_str() );
1193 end = net_options.find( ",", begin );
1194 if ( end != string::npos ) {
1195 port3 = atoi( net_options.substr(begin, end - begin).c_str() );
1198 cur_fdm_state = new FGExternalNet( dt, host, port1, port2, port3 );
1199 } else if ( model.find("pipe") == 0 ) {
1200 string pipe_path = model.substr(5);
1201 cur_fdm_state = new FGExternalPipe( dt, pipe_path );
1202 } else if ( model == "null" ) {
1203 cur_fdm_state = new FGNullFDM( dt );
1204 } else if ( model == "yasim" ) {
1205 cur_fdm_state = new YASim( dt );
1207 SG_LOG(SG_GENERAL, SG_ALERT,
1208 "Unrecognized flight model '" << model
1209 << "', cannot init flight dynamics model.");
1213 SG_LOG(SG_GENERAL, SG_ALERT, "FlightGear aborting\n\n");
1218 static void printMat(const sgVec4 *mat, char *name="")
1221 SG_LOG(SG_GENERAL, SG_BULK, name );
1222 for(i=0; i<4; i++) {
1223 SG_LOG(SG_GENERAL, SG_BULK, " " << mat[i][0] << " " << mat[i][1]
1224 << " " << mat[i][2] << " " << mat[i][3] );
1228 // Initialize view parameters
1230 // force update of model so that viewer can get some data...
1231 globals->get_aircraft_model()->update(0);
1232 // run update for current view so that data is current...
1233 globals->get_viewmgr()->update(0);
1235 printMat(globals->get_current_view()->get_VIEW(),"VIEW");
1236 printMat(globals->get_current_view()->get_UP(),"UP");
1237 // printMat(globals->get_current_view()->get_LOCAL(),"LOCAL");
1242 SGTime *fgInitTime() {
1244 static const SGPropertyNode *longitude
1245 = fgGetNode("/position/longitude-deg");
1246 static const SGPropertyNode *latitude
1247 = fgGetNode("/position/latitude-deg");
1248 static const SGPropertyNode *cur_time_override
1249 = fgGetNode("/sim/time/cur-time-override", true);
1251 SGPath zone( globals->get_fg_root() );
1252 zone.append( "Timezone" );
1253 SGTime *t = new SGTime( longitude->getDoubleValue()
1254 * SGD_DEGREES_TO_RADIANS,
1255 latitude->getDoubleValue()
1256 * SGD_DEGREES_TO_RADIANS,
1258 cur_time_override->getLongValue() );
1260 // Handle potential user specified time offsets
1261 time_t cur_time = t->get_cur_time();
1262 time_t currGMT = sgTimeGetGMT( gmtime(&cur_time) );
1263 time_t systemLocalTime = sgTimeGetGMT( localtime(&cur_time) );
1264 time_t aircraftLocalTime =
1265 sgTimeGetGMT( fgLocaltime(&cur_time, t->get_zonename() ) );
1267 // Okay, we now have six possible scenarios
1268 int offset = fgGetInt("/sim/startup/time-offset");
1269 const string &offset_type = fgGetString("/sim/startup/time-offset-type");
1270 if (offset_type == "system-offset") {
1271 globals->set_warp( offset );
1272 } else if (offset_type == "gmt-offset") {
1273 globals->set_warp( offset - (currGMT - systemLocalTime) );
1274 } else if (offset_type == "latitude-offset") {
1275 globals->set_warp( offset - (aircraftLocalTime - systemLocalTime) );
1276 } else if (offset_type == "system") {
1277 globals->set_warp( offset - cur_time );
1278 } else if (offset_type == "gmt") {
1279 globals->set_warp( offset - currGMT );
1280 } else if (offset_type == "latitude") {
1281 globals->set_warp( offset - (aircraftLocalTime - systemLocalTime) -
1284 SG_LOG( SG_GENERAL, SG_ALERT,
1285 "FG_TIME::Unsupported offset type " << offset_type );
1289 SG_LOG( SG_GENERAL, SG_INFO, "After time init, warp = "
1290 << globals->get_warp() );
1292 globals->set_warp_delta( 0 );
1294 t->update( 0.0, 0.0,
1295 cur_time_override->getLongValue(),
1296 globals->get_warp() );
1302 // This is the top level init routine which calls all the other
1303 // initialization routines. If you are adding a subsystem to flight
1304 // gear, its initialization call should located in this routine.
1305 // Returns non-zero if a problem encountered.
1306 bool fgInitSubsystems() {
1307 // static const SGPropertyNode *longitude
1308 // = fgGetNode("/sim/presets/longitude-deg");
1309 // static const SGPropertyNode *latitude
1310 // = fgGetNode("/sim/presets/latitude-deg");
1311 // static const SGPropertyNode *altitude
1312 // = fgGetNode("/sim/presets/altitude-ft");
1314 fgLIGHT *l = &cur_light_params;
1316 SG_LOG( SG_GENERAL, SG_INFO, "Initialize Subsystems");
1317 SG_LOG( SG_GENERAL, SG_INFO, "========== ==========");
1320 ////////////////////////////////////////////////////////////////////
1321 // Initialize the material property subsystem.
1322 ////////////////////////////////////////////////////////////////////
1324 SGPath mpath( globals->get_fg_root() );
1325 mpath.append( "materials.xml" );
1326 if ( ! material_lib.load( mpath.str() ) ) {
1327 SG_LOG( SG_GENERAL, SG_ALERT, "Error loading material lib!" );
1331 ////////////////////////////////////////////////////////////////////
1332 // Initialize the event manager subsystem.
1333 ////////////////////////////////////////////////////////////////////
1335 global_events.init();
1337 // Output event stats every 60 seconds
1338 global_events.Register( "FGEventMgr::print_stats()",
1339 &global_events, &FGEventMgr::print_stats,
1343 ////////////////////////////////////////////////////////////////////
1344 // Initialize the scenery management subsystem.
1345 ////////////////////////////////////////////////////////////////////
1347 if ( globals->get_tile_mgr()->init() ) {
1348 // Load the local scenery data
1349 double visibility_meters = fgGetDouble("/environment/visibility-m");
1351 globals->get_tile_mgr()->update( visibility_meters );
1353 SG_LOG( SG_GENERAL, SG_ALERT, "Error in Tile Manager initialization!" );
1357 // cause refresh of viewer scenery timestamps every 15 seconds...
1358 global_events.Register( "FGTileMgr::refresh_view_timestamps()",
1359 globals->get_tile_mgr(),
1360 &FGTileMgr::refresh_view_timestamps,
1363 SG_LOG( SG_GENERAL, SG_DEBUG,
1364 "Current terrain elevation after tile mgr init " <<
1365 globals->get_scenery()->get_cur_elev() );
1368 ////////////////////////////////////////////////////////////////////
1369 // Initialize the flight model subsystem.
1370 ////////////////////////////////////////////////////////////////////
1374 // allocates structures so must happen before any of the flight
1375 // model or control parameters are set
1376 fgAircraftInit(); // In the future this might not be the case.
1379 ////////////////////////////////////////////////////////////////////
1380 // Initialize the view manager subsystem.
1381 ////////////////////////////////////////////////////////////////////
1386 ////////////////////////////////////////////////////////////////////
1387 // Initialize the lighting subsystem.
1388 ////////////////////////////////////////////////////////////////////
1390 // fgUpdateSunPos() needs a few position and view parameters set
1391 // so it can calculate local relative sun angle and a few other
1392 // things for correctly orienting the sky.
1395 global_events.Register( "fgUpdateSunPos()", &fgUpdateSunPos,
1397 global_events.Register( "fgUpdateMoonPos()", &fgUpdateMoonPos,
1400 // Initialize Lighting interpolation tables
1403 // force one lighting update to make it right to start with...
1405 // update the lighting parameters (based on sun angle)
1406 global_events.Register( "fgLight::Update()",
1407 &cur_light_params, &fgLIGHT::Update,
1411 ////////////////////////////////////////////////////////////////////
1412 // Create and register the logger.
1413 ////////////////////////////////////////////////////////////////////
1415 globals->add_subsystem("logger", new FGLogger);
1418 #if defined(HAVE_PLIB_PSL)
1419 ////////////////////////////////////////////////////////////////////
1420 // Create and register the script manager.
1421 ////////////////////////////////////////////////////////////////////
1423 globals->add_subsystem("scripting", new FGScriptMgr);
1424 #endif // HAVE_PLIB_PSL
1427 ////////////////////////////////////////////////////////////////////
1428 // Create and register the XML GUI.
1429 ////////////////////////////////////////////////////////////////////
1431 globals->add_subsystem("gui", new NewGUI, FGSubsystemMgr::INIT);
1434 ////////////////////////////////////////////////////////////////////
1435 // Initialize the local time subsystem.
1436 ////////////////////////////////////////////////////////////////////
1438 // update the current timezone each 30 minutes
1439 global_events.Register( "fgUpdateLocalTime()", &fgUpdateLocalTime,
1443 ////////////////////////////////////////////////////////////////////
1444 // Initialize the weather subsystem.
1445 ////////////////////////////////////////////////////////////////////
1447 // Initialize the weather modeling subsystem
1449 // Initialize the WeatherDatabase
1450 SG_LOG(SG_GENERAL, SG_INFO, "Creating LocalWeatherDatabase");
1452 sgSetVec3( position, current_aircraft.fdm_state->get_Latitude(),
1453 current_aircraft.fdm_state->get_Longitude(),
1454 current_aircraft.fdm_state->get_Altitude() * SG_FEET_TO_METER );
1455 double init_vis = fgGetDouble("/environment/visibility-m");
1457 FGLocalWeatherDatabase::DatabaseWorkingType working_type;
1459 if (!strcmp(fgGetString("/environment/weather/working-type"), "internet"))
1461 working_type = FGLocalWeatherDatabase::use_internet;
1463 working_type = FGLocalWeatherDatabase::default_mode;
1466 if ( init_vis > 0 ) {
1467 FGLocalWeatherDatabase::theFGLocalWeatherDatabase =
1468 new FGLocalWeatherDatabase( position,
1469 globals->get_fg_root(),
1473 FGLocalWeatherDatabase::theFGLocalWeatherDatabase =
1474 new FGLocalWeatherDatabase( position,
1475 globals->get_fg_root(),
1479 // cout << theFGLocalWeatherDatabase << endl;
1480 // cout << "visibility = "
1481 // << theFGLocalWeatherDatabase->getWeatherVisibility() << endl;
1483 WeatherDatabase = FGLocalWeatherDatabase::theFGLocalWeatherDatabase;
1485 // register the periodic update of the weather
1486 global_events.Register( "weather update", &fgUpdateWeatherDatabase,
1489 globals->get_environment_mgr()->init();
1490 globals->get_environment_mgr()->bind();
1493 #ifdef FG_USE_CLOUDS_3D
1494 ////////////////////////////////////////////////////////////////////
1495 // Initialize the 3D cloud subsystem.
1496 ////////////////////////////////////////////////////////////////////
1497 if ( fgGetBool("/sim/rendering/clouds3d") ) {
1498 SGPath cloud_path(globals->get_fg_root());
1499 cloud_path.append("large.sky");
1500 SG_LOG(SG_GENERAL, SG_INFO, "Loading CLOUDS3d from: " << cloud_path.c_str());
1501 if ( !sgCloud3d->Load( cloud_path.str(),
1502 latitude->getDoubleValue(),
1503 longitude->getDoubleValue()) )
1505 fgSetBool("/sim/rendering/clouds3d", false);
1506 SG_LOG(SG_GENERAL, SG_INFO, "CLOUDS3d FAILED: ");
1508 SG_LOG(SG_GENERAL, SG_INFO, "CLOUDS3d Loaded: ");
1512 ////////////////////////////////////////////////////////////////////
1513 // Initialise ATC display system
1514 ////////////////////////////////////////////////////////////////////
1516 SG_LOG(SG_GENERAL, SG_INFO, " ATC Display");
1517 globals->set_ATC_display(new FGATCDisplay);
1518 globals->get_ATC_display()->init();
1520 ////////////////////////////////////////////////////////////////////
1521 // Initialise the ATC Manager
1522 ////////////////////////////////////////////////////////////////////
1524 SG_LOG(SG_GENERAL, SG_INFO, " ATC Manager");
1525 globals->set_ATC_mgr(new FGATCMgr);
1526 globals->get_ATC_mgr()->init();
1528 ////////////////////////////////////////////////////////////////////
1529 // Initialise the AI Manager
1530 ////////////////////////////////////////////////////////////////////
1532 SG_LOG(SG_GENERAL, SG_INFO, " AI Manager");
1533 globals->set_AI_mgr(new FGAIMgr);
1534 globals->get_AI_mgr()->init();
1537 #ifdef ENABLE_AUDIO_SUPPORT
1538 ////////////////////////////////////////////////////////////////////
1539 // Initialize the sound subsystem.
1540 ////////////////////////////////////////////////////////////////////
1542 globals->set_soundmgr(new SGSoundMgr);
1543 globals->get_soundmgr()->init();
1544 globals->get_soundmgr()->bind();
1547 ////////////////////////////////////////////////////////////////////
1548 // Initialize the sound-effects subsystem.
1549 ////////////////////////////////////////////////////////////////////
1551 globals->add_subsystem("fx", new FGFX);
1555 globals->add_subsystem("instrumentation", new FGInstrumentMgr);
1556 globals->add_subsystem("systems", new FGSystemMgr);
1558 ////////////////////////////////////////////////////////////////////
1559 // Initialize the radio stack subsystem.
1560 ////////////////////////////////////////////////////////////////////
1562 current_radiostack = new FGRadioStack;
1563 current_radiostack->init();
1564 current_radiostack->bind();
1567 ////////////////////////////////////////////////////////////////////
1568 // Initialize the cockpit subsystem
1569 ////////////////////////////////////////////////////////////////////
1571 if( fgCockpitInit( ¤t_aircraft )) {
1572 // Cockpit initialized ok.
1574 SG_LOG( SG_GENERAL, SG_ALERT, "Error in Cockpit initialization!" );
1579 ////////////////////////////////////////////////////////////////////
1580 // Initialize the autopilot subsystem.
1581 ////////////////////////////////////////////////////////////////////
1583 globals->set_autopilot(new FGAutopilot);
1584 globals->get_autopilot()->init();
1585 globals->get_autopilot()->bind();
1587 // FIXME: these should go in the
1588 // GUI initialization code, not here.
1590 NewTgtAirportInit();
1594 ////////////////////////////////////////////////////////////////////
1595 // Initialize I/O subsystem.
1596 ////////////////////////////////////////////////////////////////////
1598 globals->get_io()->init();
1599 globals->get_io()->bind();
1602 ////////////////////////////////////////////////////////////////////
1603 // Add a new 2D panel.
1604 ////////////////////////////////////////////////////////////////////
1606 string panel_path = fgGetString("/sim/panel/path",
1607 "Panels/Default/default.xml");
1609 globals->set_current_panel( fgReadPanel(panel_path) );
1610 if (globals->get_current_panel() == 0) {
1611 SG_LOG( SG_INPUT, SG_ALERT,
1612 "Error reading new panel from " << panel_path );
1614 SG_LOG( SG_INPUT, SG_INFO, "Loaded new panel from " << panel_path );
1615 globals->get_current_panel()->init();
1616 globals->get_current_panel()->bind();
1620 ////////////////////////////////////////////////////////////////////
1621 // Initialize the default (kludged) properties.
1622 ////////////////////////////////////////////////////////////////////
1627 ////////////////////////////////////////////////////////////////////
1628 // Initialize the controls subsystem.
1629 ////////////////////////////////////////////////////////////////////
1631 globals->get_controls()->init();
1632 globals->get_controls()->bind();
1635 ////////////////////////////////////////////////////////////////////
1636 // Initialize the input subsystem.
1637 ////////////////////////////////////////////////////////////////////
1639 globals->add_subsystem("input", new FGInput);
1642 ////////////////////////////////////////////////////////////////////
1643 // Bind and initialize subsystems.
1644 ////////////////////////////////////////////////////////////////////
1646 globals->get_subsystem_mgr()->bind();
1647 globals->get_subsystem_mgr()->init();
1650 #ifdef FG_MPLAYER_AS
1651 ////////////////////////////////////////////////////////////////////
1652 // Initialize multiplayer subsystem
1653 ////////////////////////////////////////////////////////////////////
1655 globals->set_multiplayer_tx_mgr(new FGMultiplayTxMgr);
1656 globals->get_multiplayer_tx_mgr()->init();
1658 globals->set_multiplayer_rx_mgr(new FGMultiplayRxMgr);
1659 globals->get_multiplayer_rx_mgr()->init();
1662 ////////////////////////////////////////////////////////////////////////
1663 // End of subsystem initialization.
1664 ////////////////////////////////////////////////////////////////////
1666 SG_LOG( SG_GENERAL, SG_INFO, endl);
1668 // Save the initial state for future
1670 globals->saveInitialState();
1676 void fgReInitSubsystems()
1678 // static const SGPropertyNode *longitude
1679 // = fgGetNode("/sim/presets/longitude-deg");
1680 // static const SGPropertyNode *latitude
1681 // = fgGetNode("/sim/presets/latitude-deg");
1682 static const SGPropertyNode *altitude
1683 = fgGetNode("/sim/presets/altitude-ft");
1684 static const SGPropertyNode *master_freeze
1685 = fgGetNode("/sim/freeze/master");
1687 SG_LOG( SG_GENERAL, SG_INFO,
1688 "fgReInitSubsystems(): /position/altitude = "
1689 << altitude->getDoubleValue() );
1691 bool freeze = master_freeze->getBoolValue();
1693 fgSetBool("/sim/freeze/master", true);
1696 // Initialize the FDM
1699 // allocates structures so must happen before any of the flight
1700 // model or control parameters are set
1701 fgAircraftInit(); // In the future this might not be the case.
1703 // reload offsets from config defaults
1704 globals->get_viewmgr()->reinit();
1708 globals->get_controls()->reset_all();
1709 globals->get_autopilot()->reset();
1713 cur_light_params.Update();
1714 fgUpdateLocalTime();
1717 fgSetBool("/sim/freeze/master", false);