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 // Do a first guess if we should be on the ground or in the air
985 // (to be refined later based on other input.
986 if ( fgGetDouble("/sim/presets/altitude-ft") > -9990.0 ) {
987 fgSetBool("/sim/presets/onground", false);
989 fgSetBool("/sim/presets/onground", true);
992 // If glideslope is specified, then calculate offset-distance or
993 // altitude relative to glide slope if either of those was not
995 fgSetDistOrAltFromGlideSlope();
997 // If we have an explicit, in-range lon/lat, don't change it, just use it.
998 // If not, check for an airport-id and use that.
999 // If not, default to the middle of the KSFO field.
1000 // The default values for lon/lat are deliberately out of range
1001 // so that the airport-id can take effect; valid lon/lat will
1002 // override airport-id, however.
1003 double lon_deg = fgGetDouble("/sim/presets/longitude-deg");
1004 double lat_deg = fgGetDouble("/sim/presets/latitude-deg");
1005 if ( lon_deg >= -180.0 && lon_deg <= 180.0
1006 && lat_deg >= -90.0 && lat_deg <= 90.0 )
1011 string apt = fgGetString("/sim/presets/airport-id");
1012 string rwy_no = fgGetString("/sim/presets/runway");
1013 double hdg = fgGetDouble("/sim/presets/heading-deg");
1014 string vor = fgGetString("/sim/presets/vor-id");
1015 double vor_freq = fgGetDouble("/sim/presets/vor-freq");
1016 string ndb = fgGetString("/sim/presets/ndb-id");
1017 double ndb_freq = fgGetDouble("/sim/presets/ndb-freq");
1018 string fix = fgGetString("/sim/presets/fix");
1019 if ( !set_pos && !apt.empty() && !rwy_no.empty() ) {
1020 // An airport + runway is requested
1021 if ( fgSetPosFromAirportIDandRwy( apt, rwy_no ) ) {
1022 // set position (a little off the heading for single
1024 fgSetTowerPosFromAirportID( apt, hdg );
1029 if ( !set_pos && !apt.empty() ) {
1030 // An airport is requested (find runway closest to hdg)
1032 if (fgGetDouble("/sim/presets/altitude-ft") <= 0 &&
1033 fgGetDouble("/sim/presets/offset-distance") == 0)
1034 ok = fgSetPosFromAirportIDandHdg( apt, hdg );
1036 ok = fgSetPosFromAirportID( apt );
1039 // set position (a little off the heading for single
1041 fgSetTowerPosFromAirportID( apt, hdg );
1046 if ( !set_pos && !vor.empty() ) {
1047 // a VOR is requested
1048 if ( fgSetPosFromNAV( vor, vor_freq ) ) {
1049 if ( fgGetDouble("/sim/presets/altitude-ft") > -9990.0 ) {
1050 fgSetBool("/sim/presets/onground", false);
1052 fgSetBool("/sim/presets/onground", true);
1057 if ( !set_pos && !ndb.empty() ) {
1058 // an NDB is requested
1059 if ( fgSetPosFromNAV( ndb, ndb_freq ) ) {
1060 if ( fgGetDouble("/sim/presets/altitude-ft") > -9990.0 ) {
1061 fgSetBool("/sim/presets/onground", false);
1063 fgSetBool("/sim/presets/onground", true);
1068 if ( !set_pos && !fix.empty() ) {
1069 // a Fix is requested
1070 if ( fgSetPosFromFix( fix ) ) {
1071 if ( fgGetDouble("/sim/presets/altitude-ft") > -9990.0 ) {
1072 fgSetBool("/sim/presets/onground", false);
1074 fgSetBool("/sim/presets/onground", true);
1081 // No lon/lat specified, no airport specified, default to
1082 // middle of KSFO field.
1083 fgSetDouble("/sim/presets/longitude-deg", -122.374843);
1084 fgSetDouble("/sim/presets/latitude-deg", 37.619002);
1087 fgSetDouble( "/position/longitude-deg",
1088 fgGetDouble("/sim/presets/longitude-deg") );
1089 fgSetDouble( "/position/latitude-deg",
1090 fgGetDouble("/sim/presets/latitude-deg") );
1091 fgSetDouble( "/orientation/heading-deg",
1092 fgGetDouble("/sim/presets/heading-deg") );
1098 // General house keeping initializations
1099 bool fgInitGeneral() {
1102 #if defined(FX) && defined(XMESA)
1103 char *mesa_win_state;
1106 SG_LOG( SG_GENERAL, SG_INFO, "General Initialization" );
1107 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
1109 root = globals->get_fg_root();
1110 if ( ! root.length() ) {
1111 // No root path set? Then bail ...
1112 SG_LOG( SG_GENERAL, SG_ALERT,
1113 "Cannot continue without a path to the base package "
1114 << "being defined." );
1117 SG_LOG( SG_GENERAL, SG_INFO, "FG_ROOT = " << '"' << root << '"' << endl );
1119 #if defined(FX) && defined(XMESA)
1120 // initialize full screen flag
1121 globals->set_fullscreen(false);
1122 if ( strstr ( general.get_glRenderer(), "Glide" ) ) {
1123 // Test for the MESA_GLX_FX env variable
1124 if ( (mesa_win_state = getenv( "MESA_GLX_FX" )) != NULL) {
1125 // test if we are fullscreen mesa/glide
1126 if ( (mesa_win_state[0] == 'f') ||
1127 (mesa_win_state[0] == 'F') ) {
1128 globals->set_fullscreen(true);
1138 // Initialize the flight model subsystem. This just creates the
1139 // object. The actual fdm initialization is delayed until we get a
1140 // proper scenery elevation hit. This is checked for in main.cxx
1144 if ( cur_fdm_state ) {
1145 delete cur_fdm_state;
1149 double dt = 1.0 / fgGetInt("/sim/model-hz");
1150 aircraft_dir = fgGetString("/sim/aircraft-dir");
1151 const string &model = fgGetString("/sim/flight-model");
1154 if ( model == "larcsim" ) {
1155 cur_fdm_state = new FGLaRCsim( dt );
1156 } else if ( model == "jsb" ) {
1157 cur_fdm_state = new FGJSBsim( dt );
1158 } else if ( model == "ada" ) {
1159 cur_fdm_state = new FGADA( dt );
1160 } else if ( model == "balloon" ) {
1161 cur_fdm_state = new FGBalloonSim( dt );
1162 } else if ( model == "magic" ) {
1163 cur_fdm_state = new FGMagicCarpet( dt );
1164 } else if ( model == "ufo" ) {
1165 cur_fdm_state = new FGUFO( dt );
1166 } else if ( model == "external" ) {
1167 // external is a synonym for "--fdm=null" and is
1168 // maintained here for backwards compatibility
1169 cur_fdm_state = new FGNullFDM( dt );
1170 } else if ( model.find("network") == 0 ) {
1171 string host = "localhost";
1175 string net_options = model.substr(8);
1176 string::size_type begin, end;
1179 end = net_options.find( ",", begin );
1180 if ( end != string::npos ) {
1181 host = net_options.substr(begin, end - begin);
1185 end = net_options.find( ",", begin );
1186 if ( end != string::npos ) {
1187 port1 = atoi( net_options.substr(begin, end - begin).c_str() );
1191 end = net_options.find( ",", begin );
1192 if ( end != string::npos ) {
1193 port2 = atoi( net_options.substr(begin, end - begin).c_str() );
1197 end = net_options.find( ",", begin );
1198 if ( end != string::npos ) {
1199 port3 = atoi( net_options.substr(begin, end - begin).c_str() );
1202 cur_fdm_state = new FGExternalNet( dt, host, port1, port2, port3 );
1203 } else if ( model.find("pipe") == 0 ) {
1204 string pipe_path = model.substr(5);
1205 cur_fdm_state = new FGExternalPipe( dt, pipe_path );
1206 } else if ( model == "null" ) {
1207 cur_fdm_state = new FGNullFDM( dt );
1208 } else if ( model == "yasim" ) {
1209 cur_fdm_state = new YASim( dt );
1211 SG_LOG(SG_GENERAL, SG_ALERT,
1212 "Unrecognized flight model '" << model
1213 << "', cannot init flight dynamics model.");
1217 SG_LOG(SG_GENERAL, SG_ALERT, "FlightGear aborting\n\n");
1222 static void printMat(const sgVec4 *mat, char *name="")
1225 SG_LOG(SG_GENERAL, SG_BULK, name );
1226 for(i=0; i<4; i++) {
1227 SG_LOG(SG_GENERAL, SG_BULK, " " << mat[i][0] << " " << mat[i][1]
1228 << " " << mat[i][2] << " " << mat[i][3] );
1232 // Initialize view parameters
1234 // force update of model so that viewer can get some data...
1235 globals->get_aircraft_model()->update(0);
1236 // run update for current view so that data is current...
1237 globals->get_viewmgr()->update(0);
1239 printMat(globals->get_current_view()->get_VIEW(),"VIEW");
1240 printMat(globals->get_current_view()->get_UP(),"UP");
1241 // printMat(globals->get_current_view()->get_LOCAL(),"LOCAL");
1246 SGTime *fgInitTime() {
1248 static const SGPropertyNode *longitude
1249 = fgGetNode("/position/longitude-deg");
1250 static const SGPropertyNode *latitude
1251 = fgGetNode("/position/latitude-deg");
1252 static const SGPropertyNode *cur_time_override
1253 = fgGetNode("/sim/time/cur-time-override", true);
1255 SGPath zone( globals->get_fg_root() );
1256 zone.append( "Timezone" );
1257 SGTime *t = new SGTime( longitude->getDoubleValue()
1258 * SGD_DEGREES_TO_RADIANS,
1259 latitude->getDoubleValue()
1260 * SGD_DEGREES_TO_RADIANS,
1262 cur_time_override->getLongValue() );
1264 // Handle potential user specified time offsets
1265 time_t cur_time = t->get_cur_time();
1266 time_t currGMT = sgTimeGetGMT( gmtime(&cur_time) );
1267 time_t systemLocalTime = sgTimeGetGMT( localtime(&cur_time) );
1268 time_t aircraftLocalTime =
1269 sgTimeGetGMT( fgLocaltime(&cur_time, t->get_zonename() ) );
1271 // Okay, we now have six possible scenarios
1272 int offset = fgGetInt("/sim/startup/time-offset");
1273 const string &offset_type = fgGetString("/sim/startup/time-offset-type");
1274 if (offset_type == "system-offset") {
1275 globals->set_warp( offset );
1276 } else if (offset_type == "gmt-offset") {
1277 globals->set_warp( offset - (currGMT - systemLocalTime) );
1278 } else if (offset_type == "latitude-offset") {
1279 globals->set_warp( offset - (aircraftLocalTime - systemLocalTime) );
1280 } else if (offset_type == "system") {
1281 globals->set_warp( offset - cur_time );
1282 } else if (offset_type == "gmt") {
1283 globals->set_warp( offset - currGMT );
1284 } else if (offset_type == "latitude") {
1285 globals->set_warp( offset - (aircraftLocalTime - systemLocalTime) -
1288 SG_LOG( SG_GENERAL, SG_ALERT,
1289 "FG_TIME::Unsupported offset type " << offset_type );
1293 SG_LOG( SG_GENERAL, SG_INFO, "After time init, warp = "
1294 << globals->get_warp() );
1296 globals->set_warp_delta( 0 );
1298 t->update( 0.0, 0.0,
1299 cur_time_override->getLongValue(),
1300 globals->get_warp() );
1306 // This is the top level init routine which calls all the other
1307 // initialization routines. If you are adding a subsystem to flight
1308 // gear, its initialization call should located in this routine.
1309 // Returns non-zero if a problem encountered.
1310 bool fgInitSubsystems() {
1311 // static const SGPropertyNode *longitude
1312 // = fgGetNode("/sim/presets/longitude-deg");
1313 // static const SGPropertyNode *latitude
1314 // = fgGetNode("/sim/presets/latitude-deg");
1315 // static const SGPropertyNode *altitude
1316 // = fgGetNode("/sim/presets/altitude-ft");
1318 fgLIGHT *l = &cur_light_params;
1320 SG_LOG( SG_GENERAL, SG_INFO, "Initialize Subsystems");
1321 SG_LOG( SG_GENERAL, SG_INFO, "========== ==========");
1324 ////////////////////////////////////////////////////////////////////
1325 // Initialize the material property subsystem.
1326 ////////////////////////////////////////////////////////////////////
1328 SGPath mpath( globals->get_fg_root() );
1329 mpath.append( "materials.xml" );
1330 if ( ! material_lib.load( mpath.str() ) ) {
1331 SG_LOG( SG_GENERAL, SG_ALERT, "Error loading material lib!" );
1335 ////////////////////////////////////////////////////////////////////
1336 // Initialize the event manager subsystem.
1337 ////////////////////////////////////////////////////////////////////
1339 global_events.init();
1341 // Output event stats every 60 seconds
1342 global_events.Register( "FGEventMgr::print_stats()",
1343 &global_events, &FGEventMgr::print_stats,
1347 ////////////////////////////////////////////////////////////////////
1348 // Initialize the scenery management subsystem.
1349 ////////////////////////////////////////////////////////////////////
1351 if ( globals->get_tile_mgr()->init() ) {
1352 // Load the local scenery data
1353 double visibility_meters = fgGetDouble("/environment/visibility-m");
1355 globals->get_tile_mgr()->update( visibility_meters );
1357 SG_LOG( SG_GENERAL, SG_ALERT, "Error in Tile Manager initialization!" );
1361 // cause refresh of viewer scenery timestamps every 15 seconds...
1362 global_events.Register( "FGTileMgr::refresh_view_timestamps()",
1363 globals->get_tile_mgr(),
1364 &FGTileMgr::refresh_view_timestamps,
1367 SG_LOG( SG_GENERAL, SG_DEBUG,
1368 "Current terrain elevation after tile mgr init " <<
1369 globals->get_scenery()->get_cur_elev() );
1372 ////////////////////////////////////////////////////////////////////
1373 // Initialize the flight model subsystem.
1374 ////////////////////////////////////////////////////////////////////
1378 // allocates structures so must happen before any of the flight
1379 // model or control parameters are set
1380 fgAircraftInit(); // In the future this might not be the case.
1383 ////////////////////////////////////////////////////////////////////
1384 // Initialize the view manager subsystem.
1385 ////////////////////////////////////////////////////////////////////
1390 ////////////////////////////////////////////////////////////////////
1391 // Initialize the lighting subsystem.
1392 ////////////////////////////////////////////////////////////////////
1394 // fgUpdateSunPos() needs a few position and view parameters set
1395 // so it can calculate local relative sun angle and a few other
1396 // things for correctly orienting the sky.
1399 global_events.Register( "fgUpdateSunPos()", &fgUpdateSunPos,
1401 global_events.Register( "fgUpdateMoonPos()", &fgUpdateMoonPos,
1404 // Initialize Lighting interpolation tables
1407 // force one lighting update to make it right to start with...
1409 // update the lighting parameters (based on sun angle)
1410 global_events.Register( "fgLight::Update()",
1411 &cur_light_params, &fgLIGHT::Update,
1415 ////////////////////////////////////////////////////////////////////
1416 // Create and register the logger.
1417 ////////////////////////////////////////////////////////////////////
1419 globals->add_subsystem("logger", new FGLogger);
1422 #if defined(HAVE_PLIB_PSL)
1423 ////////////////////////////////////////////////////////////////////
1424 // Create and register the script manager.
1425 ////////////////////////////////////////////////////////////////////
1427 globals->add_subsystem("scripting", new FGScriptMgr);
1428 #endif // HAVE_PLIB_PSL
1431 ////////////////////////////////////////////////////////////////////
1432 // Create and register the XML GUI.
1433 ////////////////////////////////////////////////////////////////////
1435 globals->add_subsystem("gui", new NewGUI, FGSubsystemMgr::INIT);
1438 ////////////////////////////////////////////////////////////////////
1439 // Initialize the local time subsystem.
1440 ////////////////////////////////////////////////////////////////////
1442 // update the current timezone each 30 minutes
1443 global_events.Register( "fgUpdateLocalTime()", &fgUpdateLocalTime,
1447 ////////////////////////////////////////////////////////////////////
1448 // Initialize the weather subsystem.
1449 ////////////////////////////////////////////////////////////////////
1451 // Initialize the weather modeling subsystem
1453 // Initialize the WeatherDatabase
1454 SG_LOG(SG_GENERAL, SG_INFO, "Creating LocalWeatherDatabase");
1456 sgSetVec3( position, current_aircraft.fdm_state->get_Latitude(),
1457 current_aircraft.fdm_state->get_Longitude(),
1458 current_aircraft.fdm_state->get_Altitude() * SG_FEET_TO_METER );
1459 double init_vis = fgGetDouble("/environment/visibility-m");
1461 FGLocalWeatherDatabase::DatabaseWorkingType working_type;
1463 if (!strcmp(fgGetString("/environment/weather/working-type"), "internet"))
1465 working_type = FGLocalWeatherDatabase::use_internet;
1467 working_type = FGLocalWeatherDatabase::default_mode;
1470 if ( init_vis > 0 ) {
1471 FGLocalWeatherDatabase::theFGLocalWeatherDatabase =
1472 new FGLocalWeatherDatabase( position,
1473 globals->get_fg_root(),
1477 FGLocalWeatherDatabase::theFGLocalWeatherDatabase =
1478 new FGLocalWeatherDatabase( position,
1479 globals->get_fg_root(),
1483 // cout << theFGLocalWeatherDatabase << endl;
1484 // cout << "visibility = "
1485 // << theFGLocalWeatherDatabase->getWeatherVisibility() << endl;
1487 WeatherDatabase = FGLocalWeatherDatabase::theFGLocalWeatherDatabase;
1489 // register the periodic update of the weather
1490 global_events.Register( "weather update", &fgUpdateWeatherDatabase,
1493 globals->get_environment_mgr()->init();
1494 globals->get_environment_mgr()->bind();
1497 #ifdef FG_USE_CLOUDS_3D
1498 ////////////////////////////////////////////////////////////////////
1499 // Initialize the 3D cloud subsystem.
1500 ////////////////////////////////////////////////////////////////////
1501 if ( fgGetBool("/sim/rendering/clouds3d") ) {
1502 SGPath cloud_path(globals->get_fg_root());
1503 cloud_path.append("large.sky");
1504 SG_LOG(SG_GENERAL, SG_INFO, "Loading CLOUDS3d from: " << cloud_path.c_str());
1505 if ( !sgCloud3d->Load( cloud_path.str(),
1506 latitude->getDoubleValue(),
1507 longitude->getDoubleValue()) )
1509 fgSetBool("/sim/rendering/clouds3d", false);
1510 SG_LOG(SG_GENERAL, SG_INFO, "CLOUDS3d FAILED: ");
1512 SG_LOG(SG_GENERAL, SG_INFO, "CLOUDS3d Loaded: ");
1516 ////////////////////////////////////////////////////////////////////
1517 // Initialise ATC display system
1518 ////////////////////////////////////////////////////////////////////
1520 SG_LOG(SG_GENERAL, SG_INFO, " ATC Display");
1521 globals->set_ATC_display(new FGATCDisplay);
1522 globals->get_ATC_display()->init();
1524 ////////////////////////////////////////////////////////////////////
1525 // Initialise the ATC Manager
1526 ////////////////////////////////////////////////////////////////////
1528 SG_LOG(SG_GENERAL, SG_INFO, " ATC Manager");
1529 globals->set_ATC_mgr(new FGATCMgr);
1530 globals->get_ATC_mgr()->init();
1532 ////////////////////////////////////////////////////////////////////
1533 // Initialise the AI Manager
1534 ////////////////////////////////////////////////////////////////////
1536 SG_LOG(SG_GENERAL, SG_INFO, " AI Manager");
1537 globals->set_AI_mgr(new FGAIMgr);
1538 globals->get_AI_mgr()->init();
1541 #ifdef ENABLE_AUDIO_SUPPORT
1542 ////////////////////////////////////////////////////////////////////
1543 // Initialize the sound subsystem.
1544 ////////////////////////////////////////////////////////////////////
1546 globals->set_soundmgr(new SGSoundMgr);
1547 globals->get_soundmgr()->init();
1548 globals->get_soundmgr()->bind();
1551 ////////////////////////////////////////////////////////////////////
1552 // Initialize the sound-effects subsystem.
1553 ////////////////////////////////////////////////////////////////////
1555 globals->add_subsystem("fx", new FGFX);
1559 globals->add_subsystem("instrumentation", new FGInstrumentMgr);
1560 globals->add_subsystem("systems", new FGSystemMgr);
1562 ////////////////////////////////////////////////////////////////////
1563 // Initialize the radio stack subsystem.
1564 ////////////////////////////////////////////////////////////////////
1566 current_radiostack = new FGRadioStack;
1567 current_radiostack->init();
1568 current_radiostack->bind();
1571 ////////////////////////////////////////////////////////////////////
1572 // Initialize the cockpit subsystem
1573 ////////////////////////////////////////////////////////////////////
1575 if( fgCockpitInit( ¤t_aircraft )) {
1576 // Cockpit initialized ok.
1578 SG_LOG( SG_GENERAL, SG_ALERT, "Error in Cockpit initialization!" );
1583 ////////////////////////////////////////////////////////////////////
1584 // Initialize the autopilot subsystem.
1585 ////////////////////////////////////////////////////////////////////
1587 globals->set_autopilot(new FGAutopilot);
1588 globals->get_autopilot()->init();
1589 globals->get_autopilot()->bind();
1591 // FIXME: these should go in the
1592 // GUI initialization code, not here.
1594 NewTgtAirportInit();
1598 ////////////////////////////////////////////////////////////////////
1599 // Initialize I/O subsystem.
1600 ////////////////////////////////////////////////////////////////////
1602 globals->get_io()->init();
1603 globals->get_io()->bind();
1606 ////////////////////////////////////////////////////////////////////
1607 // Add a new 2D panel.
1608 ////////////////////////////////////////////////////////////////////
1610 string panel_path = fgGetString("/sim/panel/path",
1611 "Panels/Default/default.xml");
1613 globals->set_current_panel( fgReadPanel(panel_path) );
1614 if (globals->get_current_panel() == 0) {
1615 SG_LOG( SG_INPUT, SG_ALERT,
1616 "Error reading new panel from " << panel_path );
1618 SG_LOG( SG_INPUT, SG_INFO, "Loaded new panel from " << panel_path );
1619 globals->get_current_panel()->init();
1620 globals->get_current_panel()->bind();
1624 ////////////////////////////////////////////////////////////////////
1625 // Initialize the default (kludged) properties.
1626 ////////////////////////////////////////////////////////////////////
1631 ////////////////////////////////////////////////////////////////////
1632 // Initialize the controls subsystem.
1633 ////////////////////////////////////////////////////////////////////
1635 globals->get_controls()->init();
1636 globals->get_controls()->bind();
1639 ////////////////////////////////////////////////////////////////////
1640 // Initialize the input subsystem.
1641 ////////////////////////////////////////////////////////////////////
1643 globals->add_subsystem("input", new FGInput);
1646 ////////////////////////////////////////////////////////////////////
1647 // Bind and initialize subsystems.
1648 ////////////////////////////////////////////////////////////////////
1650 globals->get_subsystem_mgr()->bind();
1651 globals->get_subsystem_mgr()->init();
1654 #ifdef FG_MPLAYER_AS
1655 ////////////////////////////////////////////////////////////////////
1656 // Initialize multiplayer subsystem
1657 ////////////////////////////////////////////////////////////////////
1659 globals->set_multiplayer_tx_mgr(new FGMultiplayTxMgr);
1660 globals->get_multiplayer_tx_mgr()->init();
1662 globals->set_multiplayer_rx_mgr(new FGMultiplayRxMgr);
1663 globals->get_multiplayer_rx_mgr()->init();
1666 ////////////////////////////////////////////////////////////////////////
1667 // End of subsystem initialization.
1668 ////////////////////////////////////////////////////////////////////
1670 SG_LOG( SG_GENERAL, SG_INFO, endl);
1672 // Save the initial state for future
1674 globals->saveInitialState();
1680 void fgReInitSubsystems()
1682 // static const SGPropertyNode *longitude
1683 // = fgGetNode("/sim/presets/longitude-deg");
1684 // static const SGPropertyNode *latitude
1685 // = fgGetNode("/sim/presets/latitude-deg");
1686 static const SGPropertyNode *altitude
1687 = fgGetNode("/sim/presets/altitude-ft");
1688 static const SGPropertyNode *master_freeze
1689 = fgGetNode("/sim/freeze/master");
1691 SG_LOG( SG_GENERAL, SG_INFO,
1692 "fgReInitSubsystems(): /position/altitude = "
1693 << altitude->getDoubleValue() );
1695 bool freeze = master_freeze->getBoolValue();
1697 fgSetBool("/sim/freeze/master", true);
1700 // Initialize the FDM
1703 // allocates structures so must happen before any of the flight
1704 // model or control parameters are set
1705 fgAircraftInit(); // In the future this might not be the case.
1707 // reload offsets from config defaults
1708 globals->get_viewmgr()->reinit();
1712 globals->get_controls()->reset_all();
1713 globals->get_autopilot()->reset();
1717 cur_light_params.Update();
1718 fgUpdateLocalTime();
1721 fgSetBool("/sim/freeze/master", false);