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
44 #if defined( unix ) || defined( __CYGWIN__ )
45 # include <unistd.h> // for gethostname()
48 // work around a stdc++ lib bug in some versions of linux, but doesn't
49 // seem to hurt to have this here for all versions of Linux.
51 # define _G_NO_EXTERN_TEMPLATES
54 #include <simgear/compiler.h>
55 #include <simgear/misc/exception.hxx>
59 #include <simgear/constants.h>
60 #include <simgear/debug/logstream.hxx>
61 #include <simgear/math/point3d.hxx>
62 #include <simgear/math/polar3d.hxx>
63 #include <simgear/math/sg_geodesy.hxx>
64 #include <simgear/misc/sg_path.hxx>
65 #include <simgear/timing/sg_time.hxx>
67 #include <Aircraft/aircraft.hxx>
68 #include <FDM/UIUCModel/uiuc_aircraftdir.h>
69 #include <Airports/runways.hxx>
70 #include <Airports/simple.hxx>
71 #include <Autopilot/auto_gui.hxx>
72 #include <Autopilot/newauto.hxx>
73 #include <Cockpit/cockpit.hxx>
74 #include <Cockpit/radiostack.hxx>
75 #include <Cockpit/panel.hxx>
76 #include <Cockpit/panel_io.hxx>
77 #include <FDM/ADA.hxx>
78 #include <FDM/Balloon.h>
79 #include <FDM/External.hxx>
80 #include <FDM/JSBSim.hxx>
81 #include <FDM/LaRCsim.hxx>
82 #include <FDM/MagicCarpet.hxx>
83 #include <Include/general.hxx>
84 #include <Input/input.hxx>
85 // #include <Joystick/joystick.hxx>
86 #include <Objects/matlib.hxx>
87 #include <Navaids/fixlist.hxx>
88 #include <Navaids/ilslist.hxx>
89 #include <Navaids/mkrbeacons.hxx>
90 #include <Navaids/navlist.hxx>
91 #include <Scenery/scenery.hxx>
92 #include <Scenery/tilemgr.hxx>
93 #include <Time/event.hxx>
94 #include <Time/light.hxx>
95 #include <Time/sunpos.hxx>
96 #include <Time/moonpos.hxx>
97 #include <Time/tmp.hxx>
99 #ifndef FG_OLD_WEATHER
100 # include <WeatherCM/FGLocalWeatherDatabase.h>
102 # include <Weather/weather.hxx>
105 #include "fg_init.hxx"
107 #include "fg_commands.hxx"
108 #include "fg_props.hxx"
109 #include "options.hxx"
110 #include "globals.hxx"
111 #include "viewmgr.hxx"
113 #if defined(FX) && defined(XMESA)
114 #include <GL/xmesa.h>
117 SG_USING_STD(string);
119 extern const char *default_root;
122 // Read in configuration (file and command line) and just set fg_root
123 bool fgInitFGRoot ( int argc, char **argv ) {
127 // First parse command line options looking for fg-root, this will
128 // override anything specified in a config file
129 root = fgScanForRoot(argc, argv);
131 #if defined( unix ) || defined( __CYGWIN__ )
132 // Next check home directory for .fgfsrc.hostname file
134 envp = ::getenv( "HOME" );
135 if ( envp != NULL ) {
136 SGPath config( envp );
137 config.append( ".fgfsrc" );
139 gethostname( name, 256 );
140 config.concat( "." );
141 config.concat( name );
142 root = fgScanForRoot(config.str());
147 // Next check home directory for .fgfsrc file
149 envp = ::getenv( "HOME" );
150 if ( envp != NULL ) {
151 SGPath config( envp );
152 config.append( ".fgfsrc" );
153 root = fgScanForRoot(config.str());
157 // Next check if fg-root is set as an env variable
159 envp = ::getenv( "FG_ROOT" );
160 if ( envp != NULL ) {
165 // Otherwise, default to a random compiled-in location if we can't
166 // find fg-root any other way.
168 #if defined( __CYGWIN__ )
169 root = "/FlightGear";
170 #elif defined( WIN32 )
171 root = "\\FlightGear";
172 #elif defined( macintosh )
179 SG_LOG(SG_INPUT, SG_INFO, "fg_root = " << root );
180 globals->set_fg_root(root);
186 // Return the current base package version
187 string fgBasePackageVersion() {
188 SGPath base_path( globals->get_fg_root() );
189 base_path.append("version");
191 sg_gzifstream in( base_path.str() );
192 if ( !in.is_open() ) {
193 SGPath old_path( globals->get_fg_root() );
194 old_path.append( "Thanks" );
195 sg_gzifstream old( old_path.str() );
196 if ( !old.is_open() ) {
199 return "[old version]";
210 // Read in configuration (file and command line)
211 bool fgInitConfig ( int argc, char **argv ) {
213 // First, set some sane default values
216 // Read global preferences from $FG_ROOT/preferences.xml
217 SGPath props_path(globals->get_fg_root());
218 props_path.append("preferences.xml");
219 SG_LOG(SG_INPUT, SG_INFO, "Reading global preferences");
221 readProperties(props_path.str(), globals->get_props());
222 } catch (const sg_exception &e) {
223 string message = "Error reading global preferences: ";
224 message += e.getFormattedMessage();
225 SG_LOG(SG_INPUT, SG_ALERT, message);
228 SG_LOG(SG_INPUT, SG_INFO, "Finished Reading global preferences");
230 // Attempt to locate and parse the various config files in order
231 // from least precidence to greatest precidence
233 // Check for $fg_root/system.fgfsrc
234 SGPath config( globals->get_fg_root() );
235 config.append( "system.fgfsrc" );
236 fgParseOptions(config.str());
239 #if defined( unix ) || defined( __CYGWIN__ )
240 // Check for $fg_root/system.fgfsrc.hostname
241 gethostname( name, 256 );
242 config.concat( "." );
243 config.concat( name );
244 fgParseOptions(config.str());
247 // Check for ~/.fgfsrc
248 char* envp = ::getenv( "HOME" );
249 if ( envp != NULL ) {
251 config.append( ".fgfsrc" );
252 fgParseOptions(config.str());
255 #if defined( unix ) || defined( __CYGWIN__ )
256 // Check for ~/.fgfsrc.hostname
257 gethostname( name, 256 );
258 config.concat( "." );
259 config.concat( name );
260 fgParseOptions(config.str());
263 // Parse remaining command line options
264 // These will override anything specified in a config file
265 fgParseOptions(argc, argv);
271 // find basic airport location info from airport database
272 bool fgFindAirportID( const string& id, FGAirport *a ) {
274 SGPath path( globals->get_fg_root() );
275 path.append( "Airports" );
276 path.append( "simple.mk4" );
277 FGAirports airports( path.c_str() );
279 SG_LOG( SG_GENERAL, SG_INFO, "Searching for airport code = " << id );
281 if ( ! airports.search( id, a ) ) {
282 SG_LOG( SG_GENERAL, SG_ALERT,
283 "Failed to find " << id << " in " << path.str() );
290 SG_LOG( SG_GENERAL, SG_INFO,
291 "Position for " << id << " is ("
292 << a->longitude << ", "
293 << a->latitude << ")" );
299 // Set current_options lon/lat given an airport id
300 bool fgSetPosFromAirportID( const string& id ) {
304 SG_LOG( SG_GENERAL, SG_INFO,
305 "Attempting to set starting position from airport code " << id );
307 if ( fgFindAirportID( id, &a ) ) {
308 fgSetDouble("/position/longitude-deg", a.longitude );
309 fgSetDouble("/position/latitude-deg", a.latitude );
310 SG_LOG( SG_GENERAL, SG_INFO,
311 "Position for " << id << " is ("
312 << a.longitude << ", "
313 << a.latitude << ")" );
323 // Set current_options lon/lat given an airport id and heading (degrees)
324 bool fgSetPosFromAirportIDandHdg( const string& id, double tgt_hdg ) {
327 double found_dir = 0.0;
330 // set initial position from runway and heading
332 SGPath path( globals->get_fg_root() );
333 path.append( "Airports" );
334 path.append( "runways.mk4" );
335 FGRunways runways( path.c_str() );
337 SG_LOG( SG_GENERAL, SG_INFO,
338 "Attempting to set starting position from runway code "
339 << id << " heading " << tgt_hdg );
341 // SGPath inpath( globals->get_fg_root() );
342 // inpath.append( "Airports" );
343 // inpath.append( "apt_simple" );
344 // airports.load( inpath.c_str() );
346 // SGPath outpath( globals->get_fg_root() );
347 // outpath.append( "Airports" );
348 // outpath.append( "simple.gdbm" );
349 // airports.dump_gdbm( outpath.c_str() );
351 if ( ! runways.search( id, &r ) ) {
352 SG_LOG( SG_GENERAL, SG_ALERT,
353 "Failed to find " << id << " in database." );
358 double min_diff = 360.0;
360 while ( r.id == id ) {
362 diff = tgt_hdg - r.heading;
363 while ( diff < -180.0 ) { diff += 360.0; }
364 while ( diff > 180.0 ) { diff -= 360.0; }
366 SG_LOG( SG_GENERAL, SG_INFO,
367 "Runway " << r.rwy_no << " heading = " << r.heading <<
368 " diff = " << diff );
369 if ( diff < min_diff ) {
376 diff = tgt_hdg - r.heading - 180.0;
377 while ( diff < -180.0 ) { diff += 360.0; }
378 while ( diff > 180.0 ) { diff -= 360.0; }
380 SG_LOG( SG_GENERAL, SG_INFO,
381 "Runway -" << r.rwy_no << " heading = " <<
383 " diff = " << diff );
384 if ( diff < min_diff ) {
393 SG_LOG( SG_GENERAL, SG_INFO, "closest runway = " << found_r.rwy_no
394 << " + " << found_dir );
400 double heading = found_r.heading + found_dir;
401 while ( heading >= 360.0 ) { heading -= 360.0; }
403 double lat2, lon2, az2;
404 double azimuth = found_r.heading + found_dir + 180.0;
405 while ( azimuth >= 360.0 ) { azimuth -= 360.0; }
407 SG_LOG( SG_GENERAL, SG_INFO,
408 "runway = " << found_r.lon << ", " << found_r.lat
409 << " length = " << found_r.length * SG_FEET_TO_METER * 0.5
410 << " heading = " << azimuth );
412 geo_direct_wgs_84 ( 0, found_r.lat, found_r.lon,
413 azimuth, found_r.length * SG_FEET_TO_METER * 0.5 - 5.0,
414 &lat2, &lon2, &az2 );
416 if ( fabs( fgGetDouble("/sim/startup/offset-distance") ) > SG_EPSILON ) {
418 double odist = fgGetDouble("/sim/startup/offset-distance");
419 odist *= SG_NM_TO_METER;
420 double oaz = azimuth;
421 if ( fabs(fgGetDouble("/sim/startup/offset-azimuth")) > SG_EPSILON ) {
422 oaz = fgGetDouble("/sim/startup/offset-azimuth") + 180;
424 while ( oaz >= 360.0 ) { oaz -= 360.0; }
425 geo_direct_wgs_84 ( 0, lat2, lon2, oaz, odist, &olat, &olon, &az2 );
429 fgSetDouble("/position/longitude-deg", lon2 );
430 fgSetDouble("/position/latitude-deg", lat2 );
431 fgSetDouble("/orientation/heading-deg", heading );
433 SG_LOG( SG_GENERAL, SG_INFO,
434 "Position for " << id << " is ("
436 << lat2 << ") new heading is "
443 // General house keeping initializations
444 bool fgInitGeneral( void ) {
447 #if defined(FX) && defined(XMESA)
448 char *mesa_win_state;
451 SG_LOG( SG_GENERAL, SG_INFO, "General Initialization" );
452 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
454 root = globals->get_fg_root();
455 if ( ! root.length() ) {
456 // No root path set? Then bail ...
457 SG_LOG( SG_GENERAL, SG_ALERT,
458 "Cannot continue without environment variable FG_ROOT"
459 << "being defined." );
462 SG_LOG( SG_GENERAL, SG_INFO, "FG_ROOT = " << '"' << root << '"' << endl );
464 #if defined(FX) && defined(XMESA)
465 // initialize full screen flag
466 global_fullscreen = false;
467 if ( strstr ( general.get_glRenderer(), "Glide" ) ) {
468 // Test for the MESA_GLX_FX env variable
469 if ( (mesa_win_state = getenv( "MESA_GLX_FX" )) != NULL) {
470 // test if we are fullscreen mesa/glide
471 if ( (mesa_win_state[0] == 'f') ||
472 (mesa_win_state[0] == 'F') ) {
473 global_fullscreen = true;
483 // This is the top level init routine which calls all the other
484 // initialization routines. If you are adding a subsystem to flight
485 // gear, its initialization call should located in this routine.
486 // Returns non-zero if a problem encountered.
487 bool fgInitSubsystems( void ) {
488 fgLIGHT *l = &cur_light_params;
490 SG_LOG( SG_GENERAL, SG_INFO, "Initialize Subsystems");
491 SG_LOG( SG_GENERAL, SG_INFO, "========== ==========");
494 ////////////////////////////////////////////////////////////////////
495 // Initialize the material property subsystem.
496 ////////////////////////////////////////////////////////////////////
498 SGPath mpath( globals->get_fg_root() );
499 mpath.append( "materials" );
500 if ( material_lib.load( mpath.str() ) ) {
502 SG_LOG( SG_GENERAL, SG_ALERT, "Error loading material lib!" );
507 ////////////////////////////////////////////////////////////////////
508 // Initialize the scenery management subsystem.
509 ////////////////////////////////////////////////////////////////////
511 if ( fgSceneryInit() ) {
512 // Material lib initialized ok.
514 SG_LOG( SG_GENERAL, SG_ALERT, "Error in Scenery initialization!" );
518 if ( global_tile_mgr.init() ) {
519 // Load the local scenery data
520 global_tile_mgr.update( fgGetDouble("/position/longitude-deg"),
521 fgGetDouble("/position/latitude-deg") );
523 SG_LOG( SG_GENERAL, SG_ALERT, "Error in Tile Manager initialization!" );
527 SG_LOG( SG_GENERAL, SG_DEBUG,
528 "Current terrain elevation after tile mgr init " <<
532 ////////////////////////////////////////////////////////////////////
533 // Initialize the flight model subsystem.
534 ////////////////////////////////////////////////////////////////////
536 double dt = 1.0 / fgGetInt("/sim/model-hz");
537 // cout << "dt = " << dt << endl;
539 aircraft_dir = fgGetString("/sim/aircraft-dir");
540 const string &model = fgGetString("/sim/flight-model");
542 if (model == "larcsim") {
543 cur_fdm_state = new FGLaRCsim( dt );
544 } else if (model == "jsb") {
545 cur_fdm_state = new FGJSBsim( dt );
546 } else if (model == "ada") {
547 cur_fdm_state = new FGADA( dt );
548 } else if (model == "balloon") {
549 cur_fdm_state = new FGBalloonSim( dt );
550 } else if (model == "magic") {
551 cur_fdm_state = new FGMagicCarpet( dt );
552 } else if (model == "external") {
553 cur_fdm_state = new FGExternal( dt );
555 SG_LOG(SG_GENERAL, SG_ALERT,
556 "Unrecognized flight model '" << model
557 << ", can't init aircraft");
561 SG_LOG(SG_GENERAL, SG_ALERT, "FlightGear aborting\n\n");
565 cur_fdm_state->init();
566 cur_fdm_state->bind();
568 // allocates structures so must happen before any of the flight
569 // model or control parameters are set
570 fgAircraftInit(); // In the future this might not be the case.
573 ////////////////////////////////////////////////////////////////////
574 // Initialize the event manager subsystem.
575 ////////////////////////////////////////////////////////////////////
577 global_events.Init();
579 // Output event stats every 60 seconds
580 global_events.Register( "fgEVENT_MGR::PrintStats()",
581 fgMethodCallback<fgEVENT_MGR>( &global_events,
582 &fgEVENT_MGR::PrintStats),
583 fgEVENT::FG_EVENT_READY, 60000 );
586 ////////////////////////////////////////////////////////////////////
587 // Initialize the view manager subsystem.
588 ////////////////////////////////////////////////////////////////////
590 // Initialize win_ratio parameters
591 for ( int i = 0; i < globals->get_viewmgr()->size(); ++i ) {
592 globals->get_viewmgr()->get_view(i)->
593 set_win_ratio( fgGetInt("/sim/startup/xsize") /
594 fgGetInt("/sim/startup/ysize") );
597 // Initialize pilot view
598 FGViewerRPH *pilot_view =
599 (FGViewerRPH *)globals->get_viewmgr()->get_view( 0 );
601 pilot_view->set_geod_view_pos( cur_fdm_state->get_Longitude(),
602 cur_fdm_state->get_Lat_geocentric(),
603 cur_fdm_state->get_Altitude() *
605 pilot_view->set_sea_level_radius( cur_fdm_state->get_Sea_level_radius() *
607 pilot_view->set_rph( cur_fdm_state->get_Phi(),
608 cur_fdm_state->get_Theta(),
609 cur_fdm_state->get_Psi() );
611 // set current view to 0 (first) which is our main pilot view
612 globals->set_current_view( pilot_view );
614 SG_LOG( SG_GENERAL, SG_DEBUG, " abs_view_pos = "
615 << globals->get_current_view()->get_abs_view_pos());
618 ////////////////////////////////////////////////////////////////////
619 // Initialize the lighting subsystem.
620 ////////////////////////////////////////////////////////////////////
622 // fgUpdateSunPos() needs a few position and view parameters set
623 // so it can calculate local relative sun angle and a few other
624 // things for correctly orienting the sky.
627 global_events.Register( "fgUpdateSunPos()", fgUpdateSunPos,
628 fgEVENT::FG_EVENT_READY, 60000);
629 global_events.Register( "fgUpdateMoonPos()", fgUpdateMoonPos,
630 fgEVENT::FG_EVENT_READY, 60000);
632 // Initialize Lighting interpolation tables
635 // update the lighting parameters (based on sun angle)
636 global_events.Register( "fgLight::Update()",
637 fgMethodCallback<fgLIGHT>( &cur_light_params,
639 fgEVENT::FG_EVENT_READY, 30000 );
642 ////////////////////////////////////////////////////////////////////
643 // Initialize the local time subsystem.
644 ////////////////////////////////////////////////////////////////////
646 // update the current timezone each 30 minutes
647 global_events.Register( "fgUpdateLocalTime()", fgUpdateLocalTime,
648 fgEVENT::FG_EVENT_READY, 1800000);
651 ////////////////////////////////////////////////////////////////////
652 // Initialize the weather subsystem.
653 ////////////////////////////////////////////////////////////////////
655 // Initialize the weather modeling subsystem
656 #ifndef FG_OLD_WEATHER
657 // Initialize the WeatherDatabase
658 SG_LOG(SG_GENERAL, SG_INFO, "Creating LocalWeatherDatabase");
660 sgSetVec3( position, current_aircraft.fdm_state->get_Latitude(),
661 current_aircraft.fdm_state->get_Longitude(),
662 current_aircraft.fdm_state->get_Altitude() * SG_FEET_TO_METER );
663 double init_vis = fgGetDouble("/environment/visibility-m");
665 FGLocalWeatherDatabase::DatabaseWorkingType working_type;
667 if (fgGetString("/environment/weather/working-type") == "internet")
669 working_type = FGLocalWeatherDatabase::use_internet;
671 working_type = FGLocalWeatherDatabase::default_mode;
674 if ( init_vis > 0 ) {
675 FGLocalWeatherDatabase::theFGLocalWeatherDatabase =
676 new FGLocalWeatherDatabase( position,
677 globals->get_fg_root(),
681 FGLocalWeatherDatabase::theFGLocalWeatherDatabase =
682 new FGLocalWeatherDatabase( position,
683 globals->get_fg_root(),
687 // cout << theFGLocalWeatherDatabase << endl;
688 // cout << "visibility = "
689 // << theFGLocalWeatherDatabase->getWeatherVisibility() << endl;
691 WeatherDatabase = FGLocalWeatherDatabase::theFGLocalWeatherDatabase;
693 // register the periodic update of the weather
694 global_events.Register( "weather update", fgUpdateWeatherDatabase,
695 fgEVENT::FG_EVENT_READY, 30000);
697 current_weather.Init();
700 ////////////////////////////////////////////////////////////////////
701 // Initialize vor/ndb/ils/fix list management and query systems
702 ////////////////////////////////////////////////////////////////////
704 SG_LOG(SG_GENERAL, SG_INFO, "Loading Navaids");
706 SG_LOG(SG_GENERAL, SG_INFO, " VOR/NDB");
707 current_navlist = new FGNavList;
708 SGPath p_nav( globals->get_fg_root() );
709 p_nav.append( "Navaids/default.nav" );
710 current_navlist->init( p_nav );
712 SG_LOG(SG_GENERAL, SG_INFO, " ILS and Marker Beacons");
713 current_beacons = new FGMarkerBeacons;
714 current_beacons->init();
715 current_ilslist = new FGILSList;
716 SGPath p_ils( globals->get_fg_root() );
717 p_ils.append( "Navaids/default.ils" );
718 current_ilslist->init( p_ils );
720 SG_LOG(SG_GENERAL, SG_INFO, " Fixes");
721 current_fixlist = new FGFixList;
722 SGPath p_fix( globals->get_fg_root() );
723 p_fix.append( "Navaids/default.fix" );
724 current_fixlist->init( p_fix );
727 ////////////////////////////////////////////////////////////////////
728 // Initialize the built-in commands.
729 ////////////////////////////////////////////////////////////////////
733 ////////////////////////////////////////////////////////////////////
734 // Initialize the radio stack subsystem.
735 ////////////////////////////////////////////////////////////////////
737 // A textbook example of how FGSubsystem
739 current_radiostack = new FGRadioStack;
740 current_radiostack->init();
741 current_radiostack->bind();
744 ////////////////////////////////////////////////////////////////////
745 // Initialize the cockpit subsystem
746 ////////////////////////////////////////////////////////////////////
748 if( fgCockpitInit( ¤t_aircraft )) {
749 // Cockpit initialized ok.
751 SG_LOG( SG_GENERAL, SG_ALERT, "Error in Cockpit initialization!" );
756 ////////////////////////////////////////////////////////////////////
757 // Initialize the joystick subsystem.
758 ////////////////////////////////////////////////////////////////////
760 // if ( ! fgJoystickInit() ) {
761 // SG_LOG( SG_GENERAL, SG_ALERT, "Error in Joystick initialization!" );
765 ////////////////////////////////////////////////////////////////////
766 // Initialize the autopilot subsystem.
767 ////////////////////////////////////////////////////////////////////
769 current_autopilot = new FGAutopilot;
770 current_autopilot->init();
772 // initialize the gui parts of the autopilot
779 ////////////////////////////////////////////////////////////////////
780 // Initialize I/O subsystem.
781 ////////////////////////////////////////////////////////////////////
783 #if ! defined( macintosh )
787 // Initialize the 2D panel.
788 string panel_path = fgGetString("/sim/panel/path",
789 "Panels/Default/default.xml");
790 current_panel = fgReadPanel(panel_path);
791 if (current_panel == 0) {
792 SG_LOG( SG_INPUT, SG_ALERT,
793 "Error reading new panel from " << panel_path );
795 SG_LOG( SG_INPUT, SG_INFO, "Loaded new panel from " << panel_path );
796 current_panel->init();
797 current_panel->bind();
801 ////////////////////////////////////////////////////////////////////
802 // Initialize the default (kludged) properties.
803 ////////////////////////////////////////////////////////////////////
808 ////////////////////////////////////////////////////////////////////
809 // Initialize the controls subsystem.
810 ////////////////////////////////////////////////////////////////////
812 globals->get_controls()->init();
813 globals->get_controls()->bind();
816 ////////////////////////////////////////////////////////////////////
817 // Initialize the input subsystem.
818 ////////////////////////////////////////////////////////////////////
820 current_input.init();
821 current_input.bind();
824 ////////////////////////////////////////////////////////////////////////
825 // End of subsystem initialization.
826 ////////////////////////////////////////////////////////////////////
828 SG_LOG( SG_GENERAL, SG_INFO, endl);
830 // Save the initial state for future
832 globals->saveInitialState();
838 void fgReInitSubsystems( void )
840 SG_LOG( SG_GENERAL, SG_INFO,
841 "/position/altitude = " << fgGetDouble("/position/altitude-ft") );
843 bool freeze = globals->get_freeze();
845 globals->set_freeze( true );
847 // Initialize the Scenery Management subsystem
848 if ( ! fgSceneryInit() ) {
849 SG_LOG( SG_GENERAL, SG_ALERT, "Error in Scenery initialization!" );
853 if( global_tile_mgr.init() ) {
854 // Load the local scenery data
855 global_tile_mgr.update( fgGetDouble("/position/longitude-deg"),
856 fgGetDouble("/position/latitude-deg") );
858 SG_LOG( SG_GENERAL, SG_ALERT, "Error in Tile Manager initialization!" );
862 // Initialize view parameters
863 FGViewerRPH *pilot_view =
864 (FGViewerRPH *)globals->get_viewmgr()->get_view( 0 );
866 pilot_view->set_view_offset( 0.0 );
867 pilot_view->set_goal_view_offset( 0.0 );
869 pilot_view->set_geod_view_pos( cur_fdm_state->get_Longitude(),
870 cur_fdm_state->get_Lat_geocentric(),
871 cur_fdm_state->get_Altitude() *
873 pilot_view->set_sea_level_radius( cur_fdm_state->get_Sea_level_radius() *
875 pilot_view->set_rph( cur_fdm_state->get_Phi(),
876 cur_fdm_state->get_Theta(),
877 cur_fdm_state->get_Psi() );
879 // set current view to 0 (first) which is our main pilot view
880 globals->set_current_view( pilot_view );
882 SG_LOG( SG_GENERAL, SG_DEBUG, " abs_view_pos = "
883 << globals->get_current_view()->get_abs_view_pos());
885 cur_fdm_state->init();
887 globals->get_controls()->reset_all();
888 current_autopilot->reset();
892 cur_light_params.Update();
896 globals->set_freeze( false );