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
36 #include <string.h> // strcmp()
39 #if defined( unix ) || defined( __CYGWIN__ )
40 # include <unistd.h> // for gethostname()
43 // work around a stdc++ lib bug in some versions of linux, but doesn't
44 // seem to hurt to have this here for all versions of Linux.
46 # define _G_NO_EXTERN_TEMPLATES
49 #include <simgear/compiler.h>
50 #include <simgear/misc/exception.hxx>
54 #include <simgear/constants.h>
55 #include <simgear/debug/logstream.hxx>
56 #include <simgear/math/point3d.hxx>
57 #include <simgear/math/polar3d.hxx>
58 #include <simgear/math/sg_geodesy.hxx>
59 #include <simgear/misc/sg_path.hxx>
60 #include <simgear/scene/material/matlib.hxx>
61 #ifdef FG_USE_CLOUDS_3D
62 # include <simgear/scene/sky/clouds3d/SkySceneLoader.hpp>
63 # include <simgear/scene/sky/clouds3d/SkyUtil.hpp>
64 # include <simgear/screen/texture.hxx>
66 #include <simgear/timing/sg_time.hxx>
67 #include <simgear/timing/lowleveltime.h>
69 #include <Aircraft/aircraft.hxx>
70 #include <FDM/UIUCModel/uiuc_aircraftdir.h>
71 #include <Airports/runways.hxx>
72 #include <Airports/simple.hxx>
73 #include <ATC/ATCdisplay.hxx>
74 #include <ATC/ATCmgr.hxx>
75 #include <ATC/AIMgr.hxx>
76 #include <Autopilot/auto_gui.hxx>
77 #include <Autopilot/newauto.hxx>
78 #include <Cockpit/cockpit.hxx>
79 #include <Cockpit/radiostack.hxx>
80 #include <Cockpit/panel.hxx>
81 #include <Cockpit/panel_io.hxx>
82 #include <FDM/ADA.hxx>
83 #include <FDM/Balloon.h>
84 #include <FDM/ExternalNet/ExternalNet.hxx>
85 #include <FDM/ExternalPipe/ExternalPipe.hxx>
86 #include <FDM/JSBSim/JSBSim.hxx>
87 #include <FDM/LaRCsim/LaRCsim.hxx>
88 #include <FDM/MagicCarpet.hxx>
89 #include <FDM/UFO.hxx>
90 #include <FDM/NullFDM.hxx>
91 #include <FDM/YASim/YASim.hxx>
92 #include <GUI/new_gui.hxx>
93 #include <Include/general.hxx>
94 #include <Input/input.hxx>
95 #include <Instrumentation/instrument_mgr.hxx>
96 #include <Model/acmodel.hxx>
97 #include <Navaids/fixlist.hxx>
98 #include <Navaids/ilslist.hxx>
99 #include <Navaids/mkrbeacons.hxx>
100 #include <Navaids/navlist.hxx>
101 #include <Replay/replay.hxx>
102 #include <Scenery/scenery.hxx>
103 #include <Scenery/tilemgr.hxx>
104 #if defined(HAVE_PLIB_PSL)
105 #include <Scripting/scriptmgr.hxx>
107 #include <Sound/fg_fx.hxx>
108 #include <Systems/system_mgr.hxx>
109 #include <Time/FGEventMgr.hxx>
110 #include <Time/light.hxx>
111 #include <Time/sunpos.hxx>
112 #include <Time/moonpos.hxx>
113 #include <Time/tmp.hxx>
116 #include <MultiPlayer/multiplaytxmgr.hxx>
117 #include <MultiPlayer/multiplayrxmgr.hxx>
121 # include <WeatherCM/FGLocalWeatherDatabase.h>
123 # include <Environment/environment_mgr.hxx>
126 #include "fg_init.hxx"
128 #include "fg_commands.hxx"
129 #include "fg_props.hxx"
130 #include "options.hxx"
131 #include "globals.hxx"
132 #include "logger.hxx"
133 #include "viewmgr.hxx"
135 #if defined(FX) && defined(XMESA)
136 #include <GL/xmesa.h>
139 SG_USING_STD(string);
144 extern const char *default_root;
146 #ifdef FG_USE_CLOUDS_3D
147 SkySceneLoader *sgCloud3d;
151 // Scan the command line options for the specified option and return
153 static string fgScanForOption( const string& option, int argc, char **argv ) {
156 SG_LOG(SG_GENERAL, SG_INFO, "Scanning command line for: " << option );
158 int len = option.length();
161 SG_LOG( SG_GENERAL, SG_DEBUG, "argv[" << i << "] = " << argv[i] );
163 string arg = argv[i];
164 if ( arg.find( option ) == 0 ) {
165 return arg.substr( len );
175 // Scan the user config files for the specified option and return
177 static string fgScanForOption( const string& option, const string& path ) {
178 sg_gzifstream in( path );
179 if ( !in.is_open() ) {
183 SG_LOG( SG_GENERAL, SG_INFO, "Scanning " << path << " for: " << option );
185 int len = option.length();
189 while ( ! in.eof() ) {
192 while ( in.get(c) && c != '\0' ) {
197 #if defined( macintosh )
198 getline( in, line, '\r' );
200 getline( in, line, '\n' );
203 // catch extraneous (DOS) line ending character
204 if ( line[line.length() - 1] < 32 ) {
205 line = line.substr( 0, line.length()-1 );
208 if ( line.find( option ) == 0 ) {
209 return line.substr( len );
219 // Read in configuration (files and command line options) but only set
221 bool fgInitFGRoot ( int argc, char **argv ) {
225 // First parse command line options looking for --fg-root=, this
226 // will override anything specified in a config file
227 root = fgScanForOption( "--fg-root=", argc, argv);
229 #if defined( unix ) || defined( __CYGWIN__ )
230 // Next check home directory for .fgfsrc.hostname file
231 if ( root.empty() ) {
232 envp = ::getenv( "HOME" );
233 if ( envp != NULL ) {
234 SGPath config( envp );
235 config.append( ".fgfsrc" );
237 gethostname( name, 256 );
238 config.concat( "." );
239 config.concat( name );
240 root = fgScanForOption( "--fg-root=", config.str() );
245 // Next check home directory for .fgfsrc file
246 if ( root.empty() ) {
247 envp = ::getenv( "HOME" );
248 if ( envp != NULL ) {
249 SGPath config( envp );
250 config.append( ".fgfsrc" );
251 root = fgScanForOption( "--fg-root=", config.str() );
255 // Next check if fg-root is set as an env variable
256 if ( root.empty() ) {
257 envp = ::getenv( "FG_ROOT" );
258 if ( envp != NULL ) {
263 // Otherwise, default to a random compiled-in location if we can't
264 // find fg-root any other way.
265 if ( root.empty() ) {
266 #if defined( __CYGWIN__ )
267 root = "/FlightGear";
268 #elif defined( WIN32 )
269 root = "\\FlightGear";
270 #elif defined( macintosh )
277 SG_LOG(SG_INPUT, SG_INFO, "fg_root = " << root );
278 globals->set_fg_root(root);
284 // Read in configuration (files and command line options) but only set
286 bool fgInitFGAircraft ( int argc, char **argv ) {
290 // First parse command line options looking for --aircraft=, this
291 // will override anything specified in a config file
292 aircraft = fgScanForOption( "--aircraft=", argc, argv );
294 #if defined( unix ) || defined( __CYGWIN__ )
295 // Next check home directory for .fgfsrc.hostname file
296 if ( aircraft.empty() ) {
297 envp = ::getenv( "HOME" );
298 if ( envp != NULL ) {
299 SGPath config( envp );
300 config.append( ".fgfsrc" );
302 gethostname( name, 256 );
303 config.concat( "." );
304 config.concat( name );
305 aircraft = fgScanForOption( "--aircraft=", config.str() );
310 // Next check home directory for .fgfsrc file
311 if ( aircraft.empty() ) {
312 envp = ::getenv( "HOME" );
313 if ( envp != NULL ) {
314 SGPath config( envp );
315 config.append( ".fgfsrc" );
316 aircraft = fgScanForOption( "--aircraft=", config.str() );
320 // if an aircraft was specified, set the property name
321 if ( !aircraft.empty() ) {
322 SG_LOG(SG_INPUT, SG_INFO, "aircraft = " << aircraft );
323 fgSetString("/sim/aircraft", aircraft.c_str() );
325 SG_LOG(SG_INPUT, SG_INFO, "No user specified aircraft, using default" );
332 // Return the current base package version
333 string fgBasePackageVersion() {
334 SGPath base_path( globals->get_fg_root() );
335 base_path.append("version");
337 sg_gzifstream in( base_path.str() );
338 if ( !in.is_open() ) {
339 SGPath old_path( globals->get_fg_root() );
340 old_path.append( "Thanks" );
341 sg_gzifstream old( old_path.str() );
342 if ( !old.is_open() ) {
345 return "[old version]";
356 // Initialize the localization
357 SGPropertyNode *fgInitLocale(const char *language) {
358 SGPropertyNode *c_node = NULL, *d_node = NULL;
359 SGPropertyNode *intl = fgGetNode("/sim/intl");
361 SG_LOG(SG_GENERAL, SG_INFO, "Selecting language: " << language );
363 // localization not defined
368 // Select the proper language from the list
370 vector<SGPropertyNode_ptr> locale = intl->getChildren("locale");
371 for (unsigned int i = 0; i < locale.size(); i++) {
373 vector<SGPropertyNode_ptr> lang = locale[i]->getChildren("lang");
374 for (unsigned int j = 0; j < lang.size(); j++) {
376 if (!strcmp(lang[j]->getStringValue(), language)) {
385 d_node = intl->getChild("locale");
389 // Check for localized font
390 SGPropertyNode *font_n = c_node->getNode("font", true);
391 if ( !strcmp(font_n->getStringValue(), "") )
392 font_n->setStringValue(d_node->getStringValue("font", "typewriter.txf"));
396 // Load the default strings
398 SGPath d_path( globals->get_fg_root() );
400 const char *d_path_str = d_node->getStringValue("strings");
402 SG_LOG(SG_GENERAL, SG_ALERT, "Incorrect path in configuration file.");
406 d_path.append(d_path_str);
407 SG_LOG(SG_GENERAL, SG_INFO, "Reading localized strings from "
410 SGPropertyNode *strings = c_node->getNode("strings");
412 readProperties(d_path.str(), strings);
413 } catch (const sg_exception &e) {
414 SG_LOG(SG_GENERAL, SG_ALERT, "Unable to read the localized strings");
419 // Load the language specific strings
421 if (c_node != d_node) {
422 SGPath c_path( globals->get_fg_root() );
424 const char *c_path_str = c_node->getStringValue("strings");
426 SG_LOG(SG_GENERAL, SG_ALERT, "Incorrect path in configuration file.");
430 c_path.append(c_path_str);
431 SG_LOG(SG_GENERAL, SG_INFO, "Reading localized strings from "
435 readProperties(c_path.str(), strings);
436 } catch (const sg_exception &e) {
437 SG_LOG(SG_GENERAL, SG_ALERT, "Unable to read the localized strings");
447 // Initialize the localization routines
448 bool fgDetectLanguage() {
449 char *language = ::getenv("LANG");
451 if (language == NULL) {
452 SG_LOG(SG_GENERAL, SG_INFO, "Unable to detect the language" );
456 SGPropertyNode *locale = fgInitLocale(language);
458 SG_LOG(SG_GENERAL, SG_ALERT,
459 "No internationalization settings specified in preferences.xml" );
464 globals->set_locale( locale );
469 // Attempt to locate and parse the various non-XML config files in order
470 // from least precidence to greatest precidence
472 do_options (int argc, char ** argv)
474 // Check for $fg_root/system.fgfsrc
475 SGPath config( globals->get_fg_root() );
476 config.append( "system.fgfsrc" );
477 fgParseOptions(config.str());
479 #if defined( unix ) || defined( __CYGWIN__ )
481 // Check for $fg_root/system.fgfsrc.hostname
482 gethostname( name, 256 );
483 config.concat( "." );
484 config.concat( name );
485 fgParseOptions(config.str());
488 // Check for ~/.fgfsrc
489 char* envp = ::getenv( "HOME" );
490 if ( envp != NULL ) {
492 config.append( ".fgfsrc" );
493 fgParseOptions(config.str());
496 #if defined( unix ) || defined( __CYGWIN__ )
497 // Check for ~/.fgfsrc.hostname
498 gethostname( name, 256 );
499 config.concat( "." );
500 config.concat( name );
501 fgParseOptions(config.str());
504 // Parse remaining command line options
505 // These will override anything specified in a config file
506 fgParseArgs(argc, argv);
510 // Read in configuration (file and command line)
511 bool fgInitConfig ( int argc, char **argv ) {
513 // First, set some sane default values
516 // Read global preferences from $FG_ROOT/preferences.xml
517 SG_LOG(SG_INPUT, SG_INFO, "Reading global preferences");
518 fgLoadProps("preferences.xml", globals->get_props());
519 SG_LOG(SG_INPUT, SG_INFO, "Finished Reading global preferences");
521 // Detect the required language as early as possible
522 if ( !fgDetectLanguage() ) {
526 // Scan user config files and command line for a specified aircraft.
527 fgInitFGAircraft(argc, argv);
529 string aircraft = fgGetString("/sim/aircraft", "");
530 if ( aircraft.size() > 0 ) {
531 SGPath aircraft_path(globals->get_fg_root());
532 aircraft_path.append("Aircraft");
533 aircraft_path.append(aircraft);
534 aircraft_path.concat("-set.xml");
535 SG_LOG(SG_INPUT, SG_INFO, "Reading default aircraft: " << aircraft
536 << " from " << aircraft_path.str());
538 readProperties(aircraft_path.str(), globals->get_props());
539 } catch (const sg_exception &e) {
540 string message = "Error reading default aircraft: ";
541 message += e.getFormattedMessage();
542 SG_LOG(SG_INPUT, SG_ALERT, message);
546 SG_LOG(SG_INPUT, SG_ALERT, "No default aircraft specified");
549 // parse options after loading aircraft to ensure any user
550 // overrides of defaults are honored.
551 do_options(argc, argv);
557 // find basic airport location info from airport database
558 bool fgFindAirportID( const string& id, FGAirport *a ) {
560 SGPath path( globals->get_fg_root() );
561 path.append( "Airports" );
562 path.append( "simple.mk4" );
563 FGAirports airports( path.c_str() );
565 SG_LOG( SG_GENERAL, SG_INFO, "Searching for airport code = " << id );
567 if ( ! airports.search( id, a ) ) {
568 SG_LOG( SG_GENERAL, SG_ALERT,
569 "Failed to find " << id << " in " << path.str() );
576 SG_LOG( SG_GENERAL, SG_INFO,
577 "Position for " << id << " is ("
578 << a->longitude << ", "
579 << a->latitude << ")" );
585 // get airport elevation
586 static double fgGetAirportElev( const string& id ) {
590 SG_LOG( SG_GENERAL, SG_INFO,
591 "Finding elevation for airport: " << id );
593 if ( fgFindAirportID( id, &a ) ) {
601 // Preset lon/lat given an airport id
602 static bool fgSetPosFromAirportID( const string& id ) {
606 SG_LOG( SG_GENERAL, SG_INFO,
607 "Attempting to set starting position from airport code " << id );
609 if ( fgFindAirportID( id, &a ) ) {
611 fgSetDouble("/sim/presets/longitude-deg", a.longitude );
612 fgSetDouble("/sim/presets/latitude-deg", a.latitude );
614 // other code depends on the actual postition being set so set
616 fgSetDouble("/position/longitude-deg", a.longitude );
617 fgSetDouble("/position/latitude-deg", a.latitude );
619 SG_LOG( SG_GENERAL, SG_INFO,
620 "Position for " << id << " is (" << a.longitude
621 << ", " << a.latitude << ")" );
630 // Set current tower position lon/lat given an airport id
631 static bool fgSetTowerPosFromAirportID( const string& id, double hdg ) {
633 // tower height hard coded for now...
634 float towerheight=50.0f;
636 // make a little off the heading for 1 runway airports...
637 float fudge_lon = fabs(sin(hdg)) * .003f;
638 float fudge_lat = .003f - fudge_lon;
640 if ( fgFindAirportID( id, &a ) ) {
641 fgSetDouble("/sim/tower/longitude-deg", a.longitude + fudge_lon);
642 fgSetDouble("/sim/tower/latitude-deg", a.latitude + fudge_lat);
643 fgSetDouble("/sim/tower/altitude-ft", a.elevation + towerheight);
652 // Set current_options lon/lat given an airport id and heading (degrees)
653 static bool fgSetPosFromAirportIDandHdg( const string& id, double tgt_hdg ) {
657 // set initial position from runway and heading
659 SGPath path( globals->get_fg_root() );
660 path.append( "Airports" );
661 path.append( "runways.mk4" );
662 FGRunways runways( path.c_str() );
664 SG_LOG( SG_GENERAL, SG_INFO,
665 "Attempting to set starting position from airport code "
666 << id << " heading " << tgt_hdg );
668 if ( ! runways.search( id, (int)tgt_hdg, &r ) ) {
669 SG_LOG( SG_GENERAL, SG_ALERT,
670 "Failed to find a good runway for " << id << '\n' );
677 double lat2, lon2, az2;
678 double heading = r.heading;
679 double azimuth = heading + 180.0;
680 while ( azimuth >= 360.0 ) { azimuth -= 360.0; }
682 SG_LOG( SG_GENERAL, SG_INFO,
683 "runway = " << r.lon << ", " << r.lat
684 << " length = " << r.length * SG_FEET_TO_METER
685 << " heading = " << azimuth );
687 geo_direct_wgs_84 ( 0, r.lat, r.lon, azimuth,
688 r.length * SG_FEET_TO_METER * 0.5 - 5.0,
689 &lat2, &lon2, &az2 );
691 if ( fabs( fgGetDouble("/sim/presets/offset-distance") ) > SG_EPSILON ) {
693 double odist = fgGetDouble("/sim/presets/offset-distance");
694 odist *= SG_NM_TO_METER;
695 double oaz = azimuth;
696 if ( fabs(fgGetDouble("/sim/presets/offset-azimuth")) > SG_EPSILON ) {
697 oaz = fgGetDouble("/sim/presets/offset-azimuth") + 180;
700 while ( oaz >= 360.0 ) { oaz -= 360.0; }
701 geo_direct_wgs_84 ( 0, lat2, lon2, oaz, odist, &olat, &olon, &az2 );
707 fgSetDouble("/sim/presets/longitude-deg", lon2 );
708 fgSetDouble("/sim/presets/latitude-deg", lat2 );
709 fgSetDouble("/sim/presets/heading-deg", heading );
711 // other code depends on the actual values being set ...
712 fgSetDouble("/position/longitude-deg", lon2 );
713 fgSetDouble("/position/latitude-deg", lat2 );
714 fgSetDouble("/orientation/heading-deg", heading );
716 SG_LOG( SG_GENERAL, SG_INFO,
717 "Position for " << id << " is ("
719 << lat2 << ") new heading is "
726 // Set current_options lon/lat given an airport id and runway number
727 static bool fgSetPosFromAirportIDandRwy( const string& id, const string& rwy ) {
731 // set initial position from airport and runway number
733 SGPath path( globals->get_fg_root() );
734 path.append( "Airports" );
735 path.append( "runways.mk4" );
736 FGRunways runways( path.c_str() );
738 SG_LOG( SG_GENERAL, SG_INFO,
739 "Attempting to set starting position for "
740 << id << ":" << rwy );
742 if ( ! runways.search( id, rwy, &r ) ) {
743 SG_LOG( SG_GENERAL, SG_ALERT,
744 "Failed to find runway " << rwy <<
745 " at airport " << id );
752 double lat2, lon2, az2;
753 double heading = r.heading;
754 double azimuth = heading + 180.0;
755 while ( azimuth >= 360.0 ) { azimuth -= 360.0; }
757 SG_LOG( SG_GENERAL, SG_INFO,
758 "runway = " << r.lon << ", " << r.lat
759 << " length = " << r.length * SG_FEET_TO_METER
760 << " heading = " << azimuth );
762 geo_direct_wgs_84 ( 0, r.lat, r.lon,
764 r.length * SG_FEET_TO_METER * 0.5 - 5.0,
765 &lat2, &lon2, &az2 );
767 if ( fabs( fgGetDouble("/sim/presets/offset-distance") ) > SG_EPSILON )
770 double odist = fgGetDouble("/sim/presets/offset-distance");
771 odist *= SG_NM_TO_METER;
772 double oaz = azimuth;
773 if ( fabs(fgGetDouble("/sim/presets/offset-azimuth")) > SG_EPSILON )
775 oaz = fgGetDouble("/sim/presets/offset-azimuth") + 180;
776 heading = fgGetDouble("/sim/presets/heading-deg");
778 while ( oaz >= 360.0 ) { oaz -= 360.0; }
779 geo_direct_wgs_84 ( 0, lat2, lon2, oaz, odist, &olat, &olon, &az2 );
785 fgSetDouble("/sim/presets/longitude-deg", lon2 );
786 fgSetDouble("/sim/presets/latitude-deg", lat2 );
787 fgSetDouble("/sim/presets/heading-deg", heading );
789 // other code depends on the actual values being set ...
790 fgSetDouble("/position/longitude-deg", lon2 );
791 fgSetDouble("/position/latitude-deg", lat2 );
792 fgSetDouble("/orientation/heading-deg", heading );
794 SG_LOG( SG_GENERAL, SG_INFO,
795 "Position for " << id << " is ("
797 << lat2 << ") new heading is "
804 static void fgSetDistOrAltFromGlideSlope() {
805 string apt_id = fgGetString("/sim/presets/airport-id");
806 double gs = fgGetDouble("/sim/presets/glideslope-deg")
807 * SG_DEGREES_TO_RADIANS ;
808 double od = fgGetDouble("/sim/presets/offset-distance");
809 double alt = fgGetDouble("/sim/presets/altitude-ft");
811 double apt_elev = 0.0;
812 if ( ! apt_id.empty() ) {
813 apt_elev = fgGetAirportElev( apt_id );
814 if ( apt_elev < -9990.0 ) {
821 if( fabs(gs) > 0.01 && fabs(od) > 0.1 && alt < -9990 ) {
822 // set altitude from glideslope and offset-distance
823 od *= SG_NM_TO_METER * SG_METER_TO_FEET;
824 alt = fabs(od*tan(gs)) + apt_elev;
825 fgSetDouble("/sim/presets/altitude-ft", alt);
826 fgSetBool("/sim/presets/onground", false);
827 SG_LOG( SG_GENERAL, SG_INFO, "Calculated altitude as: "
829 } else if( fabs(gs) > 0.01 && alt > 0 && fabs(od) < 0.1) {
830 // set offset-distance from glideslope and altitude
831 od = (alt - apt_elev) / tan(gs);
832 od *= -1*SG_FEET_TO_METER * SG_METER_TO_NM;
833 fgSetDouble("/sim/presets/offset-distance", od);
834 fgSetBool("/sim/presets/onground", false);
835 SG_LOG( SG_GENERAL, SG_INFO, "Calculated offset distance as: "
837 } else if( fabs(gs) > 0.01 ) {
838 SG_LOG( SG_GENERAL, SG_ALERT,
839 "Glideslope given but not altitude or offset-distance." );
840 SG_LOG( SG_GENERAL, SG_ALERT, "Resetting glideslope to zero" );
841 fgSetDouble("/sim/presets/glideslope-deg", 0);
842 fgSetBool("/sim/presets/onground", true);
847 // Set current_options lon/lat given an airport id and heading (degrees)
848 static bool fgSetPosFromNAV( const string& id, const double& freq ) {
849 FGNav *nav = current_navlist->findByIdentAndFreq( id.c_str(), freq );
851 // set initial position from runway and heading
853 SG_LOG( SG_GENERAL, SG_INFO, "Attempting to set starting position for "
854 << id << ":" << freq );
856 double lon = nav->get_lon();
857 double lat = nav->get_lat();
859 if ( fabs( fgGetDouble("/sim/presets/offset-distance") ) > SG_EPSILON )
861 double odist = fgGetDouble("/sim/presets/offset-distance")
863 double oaz = fabs(fgGetDouble("/sim/presets/offset-azimuth"))
865 while ( oaz >= 360.0 ) { oaz -= 360.0; }
866 double olat, olon, az2;
867 geo_direct_wgs_84 ( 0, lat, lon, oaz, odist, &olat, &olon, &az2 );
874 fgSetDouble("/sim/presets/longitude-deg", lon );
875 fgSetDouble("/sim/presets/latitude-deg", lat );
877 // other code depends on the actual values being set ...
878 fgSetDouble("/position/longitude-deg", lon );
879 fgSetDouble("/position/latitude-deg", lat );
880 fgSetDouble("/orientation/heading-deg",
881 fgGetDouble("/sim/presets/heading-deg") );
883 SG_LOG( SG_GENERAL, SG_INFO,
884 "Position for " << id << ":" << freq << " is ("
885 << lon << ", "<< lat << ")" );
889 SG_LOG( SG_GENERAL, SG_ALERT, "Failed to locate NAV = "
890 << id << ":" << freq );
896 // Set current_options lon/lat given an airport id and heading (degrees)
897 static bool fgSetPosFromFix( const string& id ) {
900 // set initial position from runway and heading
901 if ( current_fixlist->query( id.c_str(), &fix ) ) {
902 SG_LOG( SG_GENERAL, SG_INFO, "Attempting to set starting position for "
905 double lon = fix.get_lon();
906 double lat = fix.get_lat();
908 if ( fabs( fgGetDouble("/sim/presets/offset-distance") ) > SG_EPSILON )
910 double odist = fgGetDouble("/sim/presets/offset-distance")
912 double oaz = fabs(fgGetDouble("/sim/presets/offset-azimuth"))
914 while ( oaz >= 360.0 ) { oaz -= 360.0; }
915 double olat, olon, az2;
916 geo_direct_wgs_84 ( 0, lat, lon, oaz, odist, &olat, &olon, &az2 );
923 fgSetDouble("/sim/presets/longitude-deg", lon );
924 fgSetDouble("/sim/presets/latitude-deg", lat );
926 // other code depends on the actual values being set ...
927 fgSetDouble("/position/longitude-deg", lon );
928 fgSetDouble("/position/latitude-deg", lat );
929 fgSetDouble("/orientation/heading-deg",
930 fgGetDouble("/sim/presets/heading-deg") );
932 SG_LOG( SG_GENERAL, SG_INFO,
933 "Position for " << id << " is ("
934 << lon << ", "<< lat << ")" );
938 SG_LOG( SG_GENERAL, SG_ALERT, "Failed to locate NAV = "
946 * Initialize vor/ndb/ils/fix list management and query systems
951 SG_LOG(SG_GENERAL, SG_INFO, "Loading Navaids");
953 SG_LOG(SG_GENERAL, SG_INFO, " VOR/NDB");
954 current_navlist = new FGNavList;
955 SGPath p_nav( globals->get_fg_root() );
956 p_nav.append( "Navaids/default.nav" );
957 current_navlist->init( p_nav );
959 SG_LOG(SG_GENERAL, SG_INFO, " ILS and Marker Beacons");
960 current_beacons = new FGMarkerBeacons;
961 current_beacons->init();
962 current_ilslist = new FGILSList;
963 SGPath p_ils( globals->get_fg_root() );
964 p_ils.append( "Navaids/default.ils" );
965 current_ilslist->init( p_ils );
967 SG_LOG(SG_GENERAL, SG_INFO, " Fixes");
968 current_fixlist = new FGFixList;
969 SGPath p_fix( globals->get_fg_root() );
970 p_fix.append( "Navaids/default.fix" );
971 current_fixlist->init( p_fix );
977 // Set the initial position based on presets (or defaults)
978 bool fgInitPosition() {
979 bool set_pos = false;
981 // If glideslope is specified, then calculate offset-distance or
982 // altitude relative to glide slope if either of those was not
984 if ( fgGetDouble("/sim/presets/glideslope-deg") > 0.1 ) {
985 fgSetDistOrAltFromGlideSlope();
988 // Select ground or air start depending on if an altitude is
989 // specified (this choice can be refined later based on other
991 if ( fgGetDouble("/sim/presets/altitude-ft") > -9990.0 ) {
992 fgSetBool("/sim/presets/onground", false);
994 fgSetBool("/sim/presets/onground", true);
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");
1020 if ( !set_pos && !apt.empty() && !rwy_no.empty() ) {
1021 // An airport + runway is requested
1022 if ( fgSetPosFromAirportIDandRwy( apt, rwy_no ) ) {
1023 // set tower position (a little off the heading for single
1025 fgSetTowerPosFromAirportID( apt, hdg );
1030 if ( !set_pos && !apt.empty() ) {
1031 // An airport is requested (find runway closest to hdg)
1032 if ( fgSetPosFromAirportIDandHdg( apt, hdg ) ) {
1033 // set tower position (a little off the heading for single
1035 fgSetTowerPosFromAirportID( apt, hdg );
1040 if ( !set_pos && !vor.empty() ) {
1041 // a VOR is requested
1042 if ( fgSetPosFromNAV( vor, vor_freq ) ) {
1047 if ( !set_pos && !ndb.empty() ) {
1048 // an NDB is requested
1049 if ( fgSetPosFromNAV( ndb, ndb_freq ) ) {
1054 if ( !set_pos && !fix.empty() ) {
1055 // a Fix is requested
1056 if ( fgSetPosFromFix( fix ) ) {
1062 // No lon/lat specified, no airport specified, default to
1063 // middle of KSFO field.
1064 fgSetDouble("/sim/presets/longitude-deg", -122.374843);
1065 fgSetDouble("/sim/presets/latitude-deg", 37.619002);
1068 fgSetDouble( "/position/longitude-deg",
1069 fgGetDouble("/sim/presets/longitude-deg") );
1070 fgSetDouble( "/position/latitude-deg",
1071 fgGetDouble("/sim/presets/latitude-deg") );
1072 fgSetDouble( "/orientation/heading-deg",
1073 fgGetDouble("/sim/presets/heading-deg") );
1079 // General house keeping initializations
1080 bool fgInitGeneral() {
1083 #if defined(FX) && defined(XMESA)
1084 char *mesa_win_state;
1087 SG_LOG( SG_GENERAL, SG_INFO, "General Initialization" );
1088 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
1090 root = globals->get_fg_root();
1091 if ( ! root.length() ) {
1092 // No root path set? Then bail ...
1093 SG_LOG( SG_GENERAL, SG_ALERT,
1094 "Cannot continue without a path to the base package "
1095 << "being defined." );
1098 SG_LOG( SG_GENERAL, SG_INFO, "FG_ROOT = " << '"' << root << '"' << endl );
1100 #if defined(FX) && defined(XMESA)
1101 // initialize full screen flag
1102 globals->set_fullscreen(false);
1103 if ( strstr ( general.get_glRenderer(), "Glide" ) ) {
1104 // Test for the MESA_GLX_FX env variable
1105 if ( (mesa_win_state = getenv( "MESA_GLX_FX" )) != NULL) {
1106 // test if we are fullscreen mesa/glide
1107 if ( (mesa_win_state[0] == 'f') ||
1108 (mesa_win_state[0] == 'F') ) {
1109 globals->set_fullscreen(true);
1119 // Initialize the flight model subsystem. This just creates the
1120 // object. The actual fdm initialization is delayed until we get a
1121 // proper scenery elevation hit. This is checked for in main.cxx
1125 if ( cur_fdm_state ) {
1126 delete cur_fdm_state;
1130 double dt = 1.0 / fgGetInt("/sim/model-hz");
1131 aircraft_dir = fgGetString("/sim/aircraft-dir");
1132 const string &model = fgGetString("/sim/flight-model");
1135 if ( model == "larcsim" ) {
1136 cur_fdm_state = new FGLaRCsim( dt );
1137 } else if ( model == "jsb" ) {
1138 cur_fdm_state = new FGJSBsim( dt );
1139 } else if ( model == "ada" ) {
1140 cur_fdm_state = new FGADA( dt );
1141 } else if ( model == "balloon" ) {
1142 cur_fdm_state = new FGBalloonSim( dt );
1143 } else if ( model == "magic" ) {
1144 cur_fdm_state = new FGMagicCarpet( dt );
1145 } else if ( model == "ufo" ) {
1146 cur_fdm_state = new FGUFO( dt );
1147 } else if ( model == "external" ) {
1148 // external is a synonym for "--fdm=null" and is
1149 // maintained here for backwards compatibility
1150 cur_fdm_state = new FGNullFDM( dt );
1151 } else if ( model.find("network") == 0 ) {
1152 string host = "localhost";
1156 string net_options = model.substr(8);
1157 string::size_type begin, end;
1160 end = net_options.find( ",", begin );
1161 if ( end != string::npos ) {
1162 host = net_options.substr(begin, end - begin);
1166 end = net_options.find( ",", begin );
1167 if ( end != string::npos ) {
1168 port1 = atoi( net_options.substr(begin, end - begin).c_str() );
1172 end = net_options.find( ",", begin );
1173 if ( end != string::npos ) {
1174 port2 = atoi( net_options.substr(begin, end - begin).c_str() );
1178 end = net_options.find( ",", begin );
1179 if ( end != string::npos ) {
1180 port3 = atoi( net_options.substr(begin, end - begin).c_str() );
1183 cur_fdm_state = new FGExternalNet( dt, host, port1, port2, port3 );
1184 } else if ( model.find("pipe") == 0 ) {
1185 string pipe_path = model.substr(5);
1186 cur_fdm_state = new FGExternalPipe( dt, pipe_path );
1187 } else if ( model == "null" ) {
1188 cur_fdm_state = new FGNullFDM( dt );
1189 } else if ( model == "yasim" ) {
1190 cur_fdm_state = new YASim( dt );
1192 SG_LOG(SG_GENERAL, SG_ALERT,
1193 "Unrecognized flight model '" << model
1194 << "', cannot init flight dynamics model.");
1198 SG_LOG(SG_GENERAL, SG_ALERT, "FlightGear aborting\n\n");
1203 static void printMat(const sgVec4 *mat, char *name="")
1206 SG_LOG(SG_GENERAL, SG_BULK, name );
1207 for(i=0; i<4; i++) {
1208 SG_LOG(SG_GENERAL, SG_BULK, " " << mat[i][0] << " " << mat[i][1]
1209 << " " << mat[i][2] << " " << mat[i][3] );
1213 // Initialize view parameters
1215 // force update of model so that viewer can get some data...
1216 globals->get_aircraft_model()->update(0);
1217 // run update for current view so that data is current...
1218 globals->get_viewmgr()->update(0);
1220 printMat(globals->get_current_view()->get_VIEW(),"VIEW");
1221 printMat(globals->get_current_view()->get_UP(),"UP");
1222 // printMat(globals->get_current_view()->get_LOCAL(),"LOCAL");
1227 SGTime *fgInitTime() {
1229 static const SGPropertyNode *longitude
1230 = fgGetNode("/position/longitude-deg");
1231 static const SGPropertyNode *latitude
1232 = fgGetNode("/position/latitude-deg");
1233 static const SGPropertyNode *cur_time_override
1234 = fgGetNode("/sim/time/cur-time-override", true);
1236 SGPath zone( globals->get_fg_root() );
1237 zone.append( "Timezone" );
1238 SGTime *t = new SGTime( longitude->getDoubleValue()
1239 * SGD_DEGREES_TO_RADIANS,
1240 latitude->getDoubleValue()
1241 * SGD_DEGREES_TO_RADIANS,
1243 cur_time_override->getLongValue() );
1245 // Handle potential user specified time offsets
1246 time_t cur_time = t->get_cur_time();
1247 time_t currGMT = sgTimeGetGMT( gmtime(&cur_time) );
1248 time_t systemLocalTime = sgTimeGetGMT( localtime(&cur_time) );
1249 time_t aircraftLocalTime =
1250 sgTimeGetGMT( fgLocaltime(&cur_time, t->get_zonename() ) );
1252 // Okay, we now have six possible scenarios
1253 int offset = fgGetInt("/sim/startup/time-offset");
1254 const string &offset_type = fgGetString("/sim/startup/time-offset-type");
1255 if (offset_type == "system-offset") {
1256 globals->set_warp( offset );
1257 } else if (offset_type == "gmt-offset") {
1258 globals->set_warp( offset - (currGMT - systemLocalTime) );
1259 } else if (offset_type == "latitude-offset") {
1260 globals->set_warp( offset - (aircraftLocalTime - systemLocalTime) );
1261 } else if (offset_type == "system") {
1262 globals->set_warp( offset - cur_time );
1263 } else if (offset_type == "gmt") {
1264 globals->set_warp( offset - currGMT );
1265 } else if (offset_type == "latitude") {
1266 globals->set_warp( offset - (aircraftLocalTime - systemLocalTime) -
1269 SG_LOG( SG_GENERAL, SG_ALERT,
1270 "FG_TIME::Unsupported offset type " << offset_type );
1274 SG_LOG( SG_GENERAL, SG_INFO, "After time init, warp = "
1275 << globals->get_warp() );
1277 globals->set_warp_delta( 0 );
1279 t->update( 0.0, 0.0,
1280 cur_time_override->getLongValue(),
1281 globals->get_warp() );
1287 // This is the top level init routine which calls all the other
1288 // initialization routines. If you are adding a subsystem to flight
1289 // gear, its initialization call should located in this routine.
1290 // Returns non-zero if a problem encountered.
1291 bool fgInitSubsystems() {
1292 // static const SGPropertyNode *longitude
1293 // = fgGetNode("/sim/presets/longitude-deg");
1294 // static const SGPropertyNode *latitude
1295 // = fgGetNode("/sim/presets/latitude-deg");
1296 // static const SGPropertyNode *altitude
1297 // = fgGetNode("/sim/presets/altitude-ft");
1299 fgLIGHT *l = &cur_light_params;
1301 SG_LOG( SG_GENERAL, SG_INFO, "Initialize Subsystems");
1302 SG_LOG( SG_GENERAL, SG_INFO, "========== ==========");
1305 ////////////////////////////////////////////////////////////////////
1306 // Initialize the material property subsystem.
1307 ////////////////////////////////////////////////////////////////////
1309 SGPath mpath( globals->get_fg_root() );
1310 mpath.append( "materials.xml" );
1311 if ( ! globals->get_matlib()->load(globals->get_fg_root(), mpath.str()) ) {
1312 SG_LOG( SG_GENERAL, SG_ALERT, "Error loading material lib!" );
1316 ////////////////////////////////////////////////////////////////////
1317 // Initialize the event manager subsystem.
1318 ////////////////////////////////////////////////////////////////////
1320 global_events.init();
1322 // Output event stats every 60 seconds
1323 global_events.Register( "FGEventMgr::print_stats()",
1324 &global_events, &FGEventMgr::print_stats,
1328 ////////////////////////////////////////////////////////////////////
1329 // Initialize the scenery management subsystem.
1330 ////////////////////////////////////////////////////////////////////
1332 if ( globals->get_tile_mgr()->init() ) {
1333 // Load the local scenery data
1334 double visibility_meters = fgGetDouble("/environment/visibility-m");
1336 globals->get_tile_mgr()->update( visibility_meters );
1338 SG_LOG( SG_GENERAL, SG_ALERT, "Error in Tile Manager initialization!" );
1342 // cause refresh of viewer scenery timestamps every 15 seconds...
1343 global_events.Register( "FGTileMgr::refresh_view_timestamps()",
1344 globals->get_tile_mgr(),
1345 &FGTileMgr::refresh_view_timestamps,
1348 SG_LOG( SG_GENERAL, SG_DEBUG,
1349 "Current terrain elevation after tile mgr init " <<
1350 globals->get_scenery()->get_cur_elev() );
1353 ////////////////////////////////////////////////////////////////////
1354 // Initialize the flight model subsystem.
1355 ////////////////////////////////////////////////////////////////////
1359 // allocates structures so must happen before any of the flight
1360 // model or control parameters are set
1361 fgAircraftInit(); // In the future this might not be the case.
1364 ////////////////////////////////////////////////////////////////////
1365 // Initialize the view manager subsystem.
1366 ////////////////////////////////////////////////////////////////////
1371 ////////////////////////////////////////////////////////////////////
1372 // Initialize the lighting subsystem.
1373 ////////////////////////////////////////////////////////////////////
1375 // fgUpdateSunPos() needs a few position and view parameters set
1376 // so it can calculate local relative sun angle and a few other
1377 // things for correctly orienting the sky.
1380 global_events.Register( "fgUpdateSunPos()", &fgUpdateSunPos,
1382 global_events.Register( "fgUpdateMoonPos()", &fgUpdateMoonPos,
1385 // Initialize Lighting interpolation tables
1388 // force one lighting update to make it right to start with...
1390 // update the lighting parameters (based on sun angle)
1391 global_events.Register( "fgLight::Update()",
1392 &cur_light_params, &fgLIGHT::Update,
1396 ////////////////////////////////////////////////////////////////////
1397 // Create and register the logger.
1398 ////////////////////////////////////////////////////////////////////
1400 globals->add_subsystem("logger", new FGLogger);
1403 #if defined(HAVE_PLIB_PSL)
1404 ////////////////////////////////////////////////////////////////////
1405 // Create and register the script manager.
1406 ////////////////////////////////////////////////////////////////////
1408 globals->add_subsystem("scripting", new FGScriptMgr);
1409 #endif // HAVE_PLIB_PSL
1412 ////////////////////////////////////////////////////////////////////
1413 // Create and register the XML GUI.
1414 ////////////////////////////////////////////////////////////////////
1416 globals->add_subsystem("gui", new NewGUI, FGSubsystemMgr::INIT);
1419 ////////////////////////////////////////////////////////////////////
1420 // Initialize the local time subsystem.
1421 ////////////////////////////////////////////////////////////////////
1423 // update the current timezone each 30 minutes
1424 global_events.Register( "fgUpdateLocalTime()", &fgUpdateLocalTime,
1428 ////////////////////////////////////////////////////////////////////
1429 // Initialize the weather subsystem.
1430 ////////////////////////////////////////////////////////////////////
1432 // Initialize the weather modeling subsystem
1434 // Initialize the WeatherDatabase
1435 SG_LOG(SG_GENERAL, SG_INFO, "Creating LocalWeatherDatabase");
1437 sgSetVec3( position, current_aircraft.fdm_state->get_Latitude(),
1438 current_aircraft.fdm_state->get_Longitude(),
1439 current_aircraft.fdm_state->get_Altitude() * SG_FEET_TO_METER );
1440 double init_vis = fgGetDouble("/environment/visibility-m");
1442 FGLocalWeatherDatabase::DatabaseWorkingType working_type;
1444 if (!strcmp(fgGetString("/environment/weather/working-type"), "internet"))
1446 working_type = FGLocalWeatherDatabase::use_internet;
1448 working_type = FGLocalWeatherDatabase::default_mode;
1451 if ( init_vis > 0 ) {
1452 FGLocalWeatherDatabase::theFGLocalWeatherDatabase =
1453 new FGLocalWeatherDatabase( position,
1454 globals->get_fg_root(),
1458 FGLocalWeatherDatabase::theFGLocalWeatherDatabase =
1459 new FGLocalWeatherDatabase( position,
1460 globals->get_fg_root(),
1464 // cout << theFGLocalWeatherDatabase << endl;
1465 // cout << "visibility = "
1466 // << theFGLocalWeatherDatabase->getWeatherVisibility() << endl;
1468 WeatherDatabase = FGLocalWeatherDatabase::theFGLocalWeatherDatabase;
1470 // register the periodic update of the weather
1471 global_events.Register( "weather update", &fgUpdateWeatherDatabase,
1474 globals->add_subsystem("environment", new FGEnvironmentMgr);
1477 #ifdef FG_USE_CLOUDS_3D
1478 ////////////////////////////////////////////////////////////////////
1479 // Initialize the 3D cloud subsystem.
1480 ////////////////////////////////////////////////////////////////////
1481 if ( fgGetBool("/sim/rendering/clouds3d") ) {
1482 static const SGPropertyNode *longitude
1483 = fgGetNode("/sim/presets/longitude-deg");
1484 static const SGPropertyNode *latitude
1485 = fgGetNode("/sim/presets/latitude-deg");
1486 static const SGPropertyNode *altitude
1487 = fgGetNode("/sim/presets/altitude-ft");
1489 SGPath cloud_path(globals->get_fg_root());
1491 cloud_path.append("Textures/Sky/scattered.rgba");
1492 SG_LOG(SG_GENERAL, SG_INFO, "Loading CLOUDS3d from: " << cloud_path.c_str());
1495 tx.read_rgba_texture(cloud_path.c_str());
1496 if ( !sgCloud3d->Load( tx.texture(), tx.width(),
1498 cloud_path.append("large.sky");
1499 if ( !sgCloud3d->Load( cloud_path.str(),
1501 latitude->getDoubleValue(),
1502 longitude->getDoubleValue()) )
1504 fgSetBool("/sim/rendering/clouds3d", false);
1505 SG_LOG(SG_GENERAL, SG_INFO, "CLOUDS3d FAILED: ");
1507 SG_LOG(SG_GENERAL, SG_INFO, "CLOUDS3d Loaded: ");
1511 ////////////////////////////////////////////////////////////////////
1512 // Initialise ATC display system
1513 ////////////////////////////////////////////////////////////////////
1515 SG_LOG(SG_GENERAL, SG_INFO, " ATC Display");
1516 globals->set_ATC_display(new FGATCDisplay);
1517 globals->get_ATC_display()->init();
1519 ////////////////////////////////////////////////////////////////////
1520 // Initialise the ATC Manager
1521 ////////////////////////////////////////////////////////////////////
1523 SG_LOG(SG_GENERAL, SG_INFO, " ATC Manager");
1524 globals->set_ATC_mgr(new FGATCMgr);
1525 globals->get_ATC_mgr()->init();
1527 ////////////////////////////////////////////////////////////////////
1528 // Initialise the AI Manager
1529 ////////////////////////////////////////////////////////////////////
1531 SG_LOG(SG_GENERAL, SG_INFO, " AI Manager");
1532 globals->set_AI_mgr(new FGAIMgr);
1533 globals->get_AI_mgr()->init();
1536 #ifdef ENABLE_AUDIO_SUPPORT
1537 ////////////////////////////////////////////////////////////////////
1538 // Initialize the sound subsystem.
1539 ////////////////////////////////////////////////////////////////////
1541 globals->set_soundmgr(new SGSoundMgr);
1542 globals->get_soundmgr()->init();
1543 globals->get_soundmgr()->bind();
1546 ////////////////////////////////////////////////////////////////////
1547 // Initialize the sound-effects subsystem.
1548 ////////////////////////////////////////////////////////////////////
1550 globals->add_subsystem("fx", new FGFX);
1554 globals->add_subsystem("instrumentation", new FGInstrumentMgr);
1555 globals->add_subsystem("systems", new FGSystemMgr);
1557 ////////////////////////////////////////////////////////////////////
1558 // Initialize the radio stack subsystem.
1559 ////////////////////////////////////////////////////////////////////
1561 current_radiostack = new FGRadioStack;
1562 current_radiostack->init();
1563 current_radiostack->bind();
1566 ////////////////////////////////////////////////////////////////////
1567 // Initialize the cockpit subsystem
1568 ////////////////////////////////////////////////////////////////////
1570 if( fgCockpitInit( ¤t_aircraft )) {
1571 // Cockpit initialized ok.
1573 SG_LOG( SG_GENERAL, SG_ALERT, "Error in Cockpit initialization!" );
1578 ////////////////////////////////////////////////////////////////////
1579 // Initialize the autopilot subsystem.
1580 ////////////////////////////////////////////////////////////////////
1582 globals->set_autopilot(new FGAutopilot);
1583 globals->get_autopilot()->init();
1584 globals->get_autopilot()->bind();
1586 // FIXME: these should go in the
1587 // GUI initialization code, not here.
1589 NewTgtAirportInit();
1593 ////////////////////////////////////////////////////////////////////
1594 // Initialize I/O subsystem.
1595 ////////////////////////////////////////////////////////////////////
1597 globals->get_io()->init();
1598 globals->get_io()->bind();
1601 ////////////////////////////////////////////////////////////////////
1602 // Add a new 2D panel.
1603 ////////////////////////////////////////////////////////////////////
1605 string panel_path = fgGetString("/sim/panel/path",
1606 "Panels/Default/default.xml");
1608 globals->set_current_panel( fgReadPanel(panel_path) );
1609 if (globals->get_current_panel() == 0) {
1610 SG_LOG( SG_INPUT, SG_ALERT,
1611 "Error reading new panel from " << panel_path );
1613 SG_LOG( SG_INPUT, SG_INFO, "Loaded new panel from " << panel_path );
1614 globals->get_current_panel()->init();
1615 globals->get_current_panel()->bind();
1619 ////////////////////////////////////////////////////////////////////
1620 // Initialize the default (kludged) properties.
1621 ////////////////////////////////////////////////////////////////////
1626 ////////////////////////////////////////////////////////////////////
1627 // Initialize the controls subsystem.
1628 ////////////////////////////////////////////////////////////////////
1630 globals->get_controls()->init();
1631 globals->get_controls()->bind();
1634 ////////////////////////////////////////////////////////////////////
1635 // Initialize the input subsystem.
1636 ////////////////////////////////////////////////////////////////////
1638 globals->add_subsystem("input", new FGInput);
1641 ////////////////////////////////////////////////////////////////////
1642 // Initialize the replay subsystem
1643 ////////////////////////////////////////////////////////////////////
1644 globals->add_subsystem("replay", new FGReplay);
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);