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>
66 #include <simgear/timing/lowleveltime.h>
68 #include <Aircraft/aircraft.hxx>
69 #include <FDM/UIUCModel/uiuc_aircraftdir.h>
70 #include <Airports/runways.hxx>
71 #include <Airports/simple.hxx>
72 #include <ATC/ATCdisplay.hxx>
73 #include <ATC/ATCmgr.hxx>
74 #include <ATC/atislist.hxx>
75 #include <Autopilot/auto_gui.hxx>
76 #include <Autopilot/newauto.hxx>
77 #include <Cockpit/cockpit.hxx>
78 #include <Cockpit/radiostack.hxx>
79 #include <Cockpit/panel.hxx>
80 #include <Cockpit/panel_io.hxx>
81 #include <FDM/ADA.hxx>
82 #include <FDM/Balloon.h>
83 #include <FDM/External.hxx>
84 #include <FDM/JSBSim/JSBSim.hxx>
85 #include <FDM/LaRCsim.hxx>
86 #include <FDM/MagicCarpet.hxx>
87 #include <FDM/NullFDM.hxx>
88 #include <FDM/YASim/YASim.hxx>
89 #include <Include/general.hxx>
90 #include <Input/input.hxx>
91 // #include <Joystick/joystick.hxx>
92 #include <Objects/matlib.hxx>
93 #include <Navaids/fixlist.hxx>
94 #include <Navaids/ilslist.hxx>
95 #include <Navaids/mkrbeacons.hxx>
96 #include <Navaids/navlist.hxx>
97 #include <Scenery/scenery.hxx>
98 #include <Scenery/tilemgr.hxx>
99 #include <Sound/fg_fx.hxx>
100 #include <Sound/soundmgr.hxx>
101 #include <Time/event.hxx>
102 #include <Time/light.hxx>
103 #include <Time/sunpos.hxx>
104 #include <Time/moonpos.hxx>
105 #include <Time/tmp.hxx>
107 #ifndef FG_NEW_ENVIRONMENT
108 # include <WeatherCM/FGLocalWeatherDatabase.h>
110 # include <Environment/environment_mgr.hxx>
113 #include "fg_init.hxx"
115 #include "fg_commands.hxx"
116 #include "fg_props.hxx"
117 #include "options.hxx"
118 #include "globals.hxx"
119 #include "viewmgr.hxx"
121 #if defined(FX) && defined(XMESA)
122 #include <GL/xmesa.h>
125 SG_USING_STD(string);
127 extern const char *default_root;
130 // Read in configuration (file and command line) and just set fg_root
131 bool fgInitFGRoot ( int argc, char **argv ) {
135 // First parse command line options looking for fg-root, this will
136 // override anything specified in a config file
137 root = fgScanForRoot(argc, argv);
139 #if defined( unix ) || defined( __CYGWIN__ )
140 // Next check home directory for .fgfsrc.hostname file
142 envp = ::getenv( "HOME" );
143 if ( envp != NULL ) {
144 SGPath config( envp );
145 config.append( ".fgfsrc" );
147 gethostname( name, 256 );
148 config.concat( "." );
149 config.concat( name );
150 root = fgScanForRoot(config.str());
155 // Next check home directory for .fgfsrc file
157 envp = ::getenv( "HOME" );
158 if ( envp != NULL ) {
159 SGPath config( envp );
160 config.append( ".fgfsrc" );
161 root = fgScanForRoot(config.str());
165 // Next check if fg-root is set as an env variable
167 envp = ::getenv( "FG_ROOT" );
168 if ( envp != NULL ) {
173 // Otherwise, default to a random compiled-in location if we can't
174 // find fg-root any other way.
176 #if defined( __CYGWIN__ )
177 root = "/FlightGear";
178 #elif defined( WIN32 )
179 root = "\\FlightGear";
180 #elif defined( macintosh )
187 SG_LOG(SG_INPUT, SG_INFO, "fg_root = " << root );
188 globals->set_fg_root(root);
194 // Return the current base package version
195 string fgBasePackageVersion() {
196 SGPath base_path( globals->get_fg_root() );
197 base_path.append("version");
199 sg_gzifstream in( base_path.str() );
200 if ( !in.is_open() ) {
201 SGPath old_path( globals->get_fg_root() );
202 old_path.append( "Thanks" );
203 sg_gzifstream old( old_path.str() );
204 if ( !old.is_open() ) {
207 return "[old version]";
218 // Read in configuration (file and command line)
219 bool fgInitConfig ( int argc, char **argv ) {
221 // First, set some sane default values
224 // Read global preferences from $FG_ROOT/preferences.xml
225 SGPath props_path(globals->get_fg_root());
226 props_path.append("preferences.xml");
227 SG_LOG(SG_INPUT, SG_INFO, "Reading global preferences");
229 readProperties(props_path.str(), globals->get_props());
230 } catch (const sg_exception &e) {
231 string message = "Error reading global preferences: ";
232 message += e.getFormattedMessage();
233 SG_LOG(SG_INPUT, SG_ALERT, message);
236 SG_LOG(SG_INPUT, SG_INFO, "Finished Reading global preferences");
238 // Read the default aircraft config file.
239 string aircraft = fgGetString("/sim/aircraft", "");
240 if (aircraft.size() > 0) {
241 SGPath aircraft_path(globals->get_fg_root());
242 aircraft_path.append("Aircraft");
243 aircraft_path.append(aircraft);
244 aircraft_path.concat("-set.xml");
245 SG_LOG(SG_INPUT, SG_INFO, "Reading default aircraft: " << aircraft
246 << " from " << aircraft_path.str());
248 readProperties(aircraft_path.str(), globals->get_props());
249 } catch (const sg_exception &e) {
250 string message = "Error reading default aircraft: ";
251 message += e.getFormattedMessage();
252 SG_LOG(SG_INPUT, SG_ALERT, message);
256 SG_LOG(SG_INPUT, SG_ALERT, "No default aircraft specified");
259 // Attempt to locate and parse the various config files in order
260 // from least precidence to greatest precidence
262 // Check for $fg_root/system.fgfsrc
263 SGPath config( globals->get_fg_root() );
264 config.append( "system.fgfsrc" );
265 fgParseOptions(config.str());
268 #if defined( unix ) || defined( __CYGWIN__ )
269 // Check for $fg_root/system.fgfsrc.hostname
270 gethostname( name, 256 );
271 config.concat( "." );
272 config.concat( name );
273 fgParseOptions(config.str());
276 // Check for ~/.fgfsrc
277 char* envp = ::getenv( "HOME" );
278 if ( envp != NULL ) {
280 config.append( ".fgfsrc" );
281 fgParseOptions(config.str());
284 #if defined( unix ) || defined( __CYGWIN__ )
285 // Check for ~/.fgfsrc.hostname
286 gethostname( name, 256 );
287 config.concat( "." );
288 config.concat( name );
289 fgParseOptions(config.str());
292 // Parse remaining command line options
293 // These will override anything specified in a config file
294 fgParseArgs(argc, argv);
300 // find basic airport location info from airport database
301 bool fgFindAirportID( const string& id, FGAirport *a ) {
303 SGPath path( globals->get_fg_root() );
304 path.append( "Airports" );
305 path.append( "simple.mk4" );
306 FGAirports airports( path.c_str() );
308 SG_LOG( SG_GENERAL, SG_INFO, "Searching for airport code = " << id );
310 if ( ! airports.search( id, a ) ) {
311 SG_LOG( SG_GENERAL, SG_ALERT,
312 "Failed to find " << id << " in " << path.str() );
319 SG_LOG( SG_GENERAL, SG_INFO,
320 "Position for " << id << " is ("
321 << a->longitude << ", "
322 << a->latitude << ")" );
328 // Set current_options lon/lat given an airport id
329 bool fgSetPosFromAirportID( const string& id ) {
333 SG_LOG( SG_GENERAL, SG_INFO,
334 "Attempting to set starting position from airport code " << id );
336 if ( fgFindAirportID( id, &a ) ) {
337 fgSetDouble("/position/longitude-deg", a.longitude );
338 fgSetDouble("/position/latitude-deg", a.latitude );
339 SG_LOG( SG_GENERAL, SG_INFO,
340 "Position for " << id << " is ("
341 << a.longitude << ", "
342 << a.latitude << ")" );
352 // Set current_options lon/lat given an airport id and heading (degrees)
353 bool fgSetPosFromAirportIDandHdg( const string& id, double tgt_hdg ) {
356 double found_dir = 0.0;
359 // set initial position from runway and heading
361 SGPath path( globals->get_fg_root() );
362 path.append( "Airports" );
363 path.append( "runways.mk4" );
364 FGRunways runways( path.c_str() );
366 SG_LOG( SG_GENERAL, SG_INFO,
367 "Attempting to set starting position from runway code "
368 << id << " heading " << tgt_hdg );
370 // SGPath inpath( globals->get_fg_root() );
371 // inpath.append( "Airports" );
372 // inpath.append( "apt_simple" );
373 // airports.load( inpath.c_str() );
375 // SGPath outpath( globals->get_fg_root() );
376 // outpath.append( "Airports" );
377 // outpath.append( "simple.gdbm" );
378 // airports.dump_gdbm( outpath.c_str() );
380 if ( ! runways.search( id, &r ) ) {
381 SG_LOG( SG_GENERAL, SG_ALERT,
382 "Failed to find " << id << " in database." );
387 double min_diff = 360.0;
389 while ( r.id == id ) {
391 diff = tgt_hdg - r.heading;
392 while ( diff < -180.0 ) { diff += 360.0; }
393 while ( diff > 180.0 ) { diff -= 360.0; }
395 SG_LOG( SG_GENERAL, SG_INFO,
396 "Runway " << r.rwy_no << " heading = " << r.heading <<
397 " diff = " << diff );
398 if ( diff < min_diff ) {
405 diff = tgt_hdg - r.heading - 180.0;
406 while ( diff < -180.0 ) { diff += 360.0; }
407 while ( diff > 180.0 ) { diff -= 360.0; }
409 SG_LOG( SG_GENERAL, SG_INFO,
410 "Runway -" << r.rwy_no << " heading = " <<
412 " diff = " << diff );
413 if ( diff < min_diff ) {
422 SG_LOG( SG_GENERAL, SG_INFO, "closest runway = " << found_r.rwy_no
423 << " + " << found_dir );
429 double heading = found_r.heading + found_dir;
430 while ( heading >= 360.0 ) { heading -= 360.0; }
432 double lat2, lon2, az2;
433 double azimuth = found_r.heading + found_dir + 180.0;
434 while ( azimuth >= 360.0 ) { azimuth -= 360.0; }
436 SG_LOG( SG_GENERAL, SG_INFO,
437 "runway = " << found_r.lon << ", " << found_r.lat
438 << " length = " << found_r.length * SG_FEET_TO_METER * 0.5
439 << " heading = " << azimuth );
441 geo_direct_wgs_84 ( 0, found_r.lat, found_r.lon,
442 azimuth, found_r.length * SG_FEET_TO_METER * 0.5 - 5.0,
443 &lat2, &lon2, &az2 );
445 if ( fabs( fgGetDouble("/sim/startup/offset-distance") ) > SG_EPSILON ) {
447 double odist = fgGetDouble("/sim/startup/offset-distance");
448 odist *= SG_NM_TO_METER;
449 double oaz = azimuth;
450 if ( fabs(fgGetDouble("/sim/startup/offset-azimuth")) > SG_EPSILON ) {
451 oaz = fgGetDouble("/sim/startup/offset-azimuth") + 180;
453 while ( oaz >= 360.0 ) { oaz -= 360.0; }
454 geo_direct_wgs_84 ( 0, lat2, lon2, oaz, odist, &olat, &olon, &az2 );
459 fgSetDouble("/position/longitude-deg", lon2 );
460 fgSetDouble("/position/latitude-deg", lat2 );
461 fgSetDouble("/orientation/heading-deg", heading );
463 SG_LOG( SG_GENERAL, SG_INFO,
464 "Position for " << id << " is ("
466 << lat2 << ") new heading is "
472 void fgSetPosFromGlideSlope(void) {
473 double gs = fgGetDouble("/velocities/glideslope");
474 double od = fgGetDouble("/sim/startup/offset-distance");
475 double alt = fgGetDouble("/position/altitude-ft");
477 //if glideslope and offset-distance are set and altitude is
478 //not, calculate the initial altitude
479 if( fabs(gs) > 0.01 && fabs(od) > 0.1 && alt < -9990 ) {
480 od *= SG_NM_TO_METER * SG_METER_TO_FEET;
481 alt = fabs(od*tan(gs));
482 fgSetDouble("/position/altitude-ft",alt);
483 fgSetBool("/sim/startup/onground", false);
484 SG_LOG(SG_GENERAL,SG_INFO, "Calculated altitude as: " << alt << " ft");
485 } else if( fabs(gs) > 0.01 && alt > 0 && fabs(od) < 0.1) {
487 od *= -1*SG_FEET_TO_METER * SG_METER_TO_NM;
488 fgSetDouble("/sim/startup/offset-distance",od);
489 SG_LOG(SG_GENERAL,SG_INFO, "Calculated offset distance as: "
491 } else if( fabs(gs) > 0.01 ) {
492 SG_LOG(SG_GENERAL,SG_ALERT, "Glideslope given but not altitude"
493 << " or offset-distance. Resetting"
494 << " glideslope to zero" );
495 fgSetDouble("/velocities/glideslope",0);
500 // General house keeping initializations
501 bool fgInitGeneral( void ) {
504 #if defined(FX) && defined(XMESA)
505 char *mesa_win_state;
508 SG_LOG( SG_GENERAL, SG_INFO, "General Initialization" );
509 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
511 root = globals->get_fg_root();
512 if ( ! root.length() ) {
513 // No root path set? Then bail ...
514 SG_LOG( SG_GENERAL, SG_ALERT,
515 "Cannot continue without a path to the base package "
516 << "being defined." );
519 SG_LOG( SG_GENERAL, SG_INFO, "FG_ROOT = " << '"' << root << '"' << endl );
521 #if defined(FX) && defined(XMESA)
522 // initialize full screen flag
523 globals->set_fullscreen(false);
524 if ( strstr ( general.get_glRenderer(), "Glide" ) ) {
525 // Test for the MESA_GLX_FX env variable
526 if ( (mesa_win_state = getenv( "MESA_GLX_FX" )) != NULL) {
527 // test if we are fullscreen mesa/glide
528 if ( (mesa_win_state[0] == 'f') ||
529 (mesa_win_state[0] == 'F') ) {
530 globals->set_fullscreen(true);
540 // Initialize the flight model subsystem. This just creates the
541 // object. The actual fdm initialization is delayed until we get a
542 // proper scenery elevation hit. This is checked for in main.cxx
546 if ( cur_fdm_state ) {
547 delete cur_fdm_state;
551 double dt = 1.0 / fgGetInt("/sim/model-hz");
552 aircraft_dir = fgGetString("/sim/aircraft-dir");
553 const string &model = fgGetString("/sim/flight-model");
556 if (model == "larcsim") {
557 cur_fdm_state = new FGLaRCsim( dt );
558 } else if (model == "jsb") {
559 cur_fdm_state = new FGJSBsim( dt );
560 } else if (model == "ada") {
561 cur_fdm_state = new FGADA( dt );
562 } else if (model == "balloon") {
563 cur_fdm_state = new FGBalloonSim( dt );
564 } else if (model == "magic") {
565 cur_fdm_state = new FGMagicCarpet( dt );
566 } else if (model == "external") {
567 cur_fdm_state = new FGExternal( dt );
568 } else if (model == "null") {
569 cur_fdm_state = new FGNullFDM( dt );
570 } else if (model == "yasim") {
571 cur_fdm_state = new YASim( dt );
573 SG_LOG(SG_GENERAL, SG_ALERT,
574 "Unrecognized flight model '" << model
575 << "', cannot init flight dynamics model.");
579 SG_LOG(SG_GENERAL, SG_ALERT, "FlightGear aborting\n\n");
585 // Initialize view parameters
587 // Initialize pilot view
588 static const SGPropertyNode *longitude
589 = fgGetNode("/position/longitude-deg");
590 static const SGPropertyNode *latitude
591 = fgGetNode("/position/latitude-deg");
592 static const SGPropertyNode *altitude
593 = fgGetNode("/position/altitude-ft");
595 FGViewerRPH *pilot_view
596 = (FGViewerRPH *)globals->get_viewmgr()->get_view( 0 );
598 pilot_view->set_geod_view_pos( longitude->getDoubleValue()
599 * SGD_DEGREES_TO_RADIANS,
600 latitude->getDoubleValue()
601 * SGD_DEGREES_TO_RADIANS,
602 altitude->getDoubleValue()
603 * SG_FEET_TO_METER );
604 pilot_view->set_rph( cur_fdm_state->get_Phi(),
605 cur_fdm_state->get_Theta(),
606 cur_fdm_state->get_Psi() );
608 // set current view to 0 (first) which is our main pilot view
609 globals->set_current_view( pilot_view );
611 SG_LOG( SG_GENERAL, SG_DEBUG, " abs_view_pos = "
612 << globals->get_current_view()->get_abs_view_pos());
616 SGTime *fgInitTime() {
618 static const SGPropertyNode *longitude
619 = fgGetNode("/position/longitude-deg");
620 static const SGPropertyNode *latitude
621 = fgGetNode("/position/latitude-deg");
622 static const SGPropertyNode *cur_time_override
623 = fgGetNode("/sim/time/cur-time-override", true);
625 SGPath zone( globals->get_fg_root() );
626 zone.append( "Timezone" );
627 SGTime *t = new SGTime( longitude->getDoubleValue()
628 * SGD_DEGREES_TO_RADIANS,
629 latitude->getDoubleValue()
630 * SGD_DEGREES_TO_RADIANS,
632 cur_time_override->getLongValue() );
634 // Handle potential user specified time offsets
635 time_t cur_time = t->get_cur_time();
636 time_t currGMT = sgTimeGetGMT( gmtime(&cur_time) );
637 time_t systemLocalTime = sgTimeGetGMT( localtime(&cur_time) );
638 time_t aircraftLocalTime =
639 sgTimeGetGMT( fgLocaltime(&cur_time, t->get_zonename() ) );
641 // Okay, we now have six possible scenarios
642 int offset = fgGetInt("/sim/startup/time-offset");
643 const string &offset_type = fgGetString("/sim/startup/time-offset-type");
644 if (offset_type == "system-offset") {
645 globals->set_warp( offset );
646 } else if (offset_type == "gmt-offset") {
647 globals->set_warp( offset - (currGMT - systemLocalTime) );
648 } else if (offset_type == "latitude-offset") {
649 globals->set_warp( offset - (aircraftLocalTime - systemLocalTime) );
650 } else if (offset_type == "system") {
651 globals->set_warp( offset - cur_time );
652 } else if (offset_type == "gmt") {
653 globals->set_warp( offset - currGMT );
654 } else if (offset_type == "latitude") {
655 globals->set_warp( offset - (aircraftLocalTime - systemLocalTime) -
658 SG_LOG( SG_GENERAL, SG_ALERT,
659 "FG_TIME::Unsupported offset type " << offset_type );
663 SG_LOG( SG_GENERAL, SG_INFO, "After time init, warp = "
664 << globals->get_warp() );
666 globals->set_warp_delta( 0 );
669 cur_time_override->getLongValue(),
670 globals->get_warp() );
676 // This is the top level init routine which calls all the other
677 // initialization routines. If you are adding a subsystem to flight
678 // gear, its initialization call should located in this routine.
679 // Returns non-zero if a problem encountered.
680 bool fgInitSubsystems( void ) {
681 static const SGPropertyNode *longitude
682 = fgGetNode("/position/longitude-deg");
683 static const SGPropertyNode *latitude
684 = fgGetNode("/position/latitude-deg");
685 static const SGPropertyNode *altitude
686 = fgGetNode("/position/altitude-ft");
688 fgLIGHT *l = &cur_light_params;
690 SG_LOG( SG_GENERAL, SG_INFO, "Initialize Subsystems");
691 SG_LOG( SG_GENERAL, SG_INFO, "========== ==========");
694 ////////////////////////////////////////////////////////////////////
695 // Initialize the material property subsystem.
696 ////////////////////////////////////////////////////////////////////
698 SGPath mpath( globals->get_fg_root() );
699 mpath.append( "materials.xml" );
700 if ( ! material_lib.load( mpath.str() ) ) {
701 SG_LOG( SG_GENERAL, SG_ALERT, "Error loading material lib!" );
706 ////////////////////////////////////////////////////////////////////
707 // Initialize the scenery management subsystem.
708 ////////////////////////////////////////////////////////////////////
713 if ( global_tile_mgr.init() ) {
714 // Load the local scenery data
715 global_tile_mgr.update( longitude->getDoubleValue(),
716 latitude->getDoubleValue() );
718 SG_LOG( SG_GENERAL, SG_ALERT, "Error in Tile Manager initialization!" );
722 SG_LOG( SG_GENERAL, SG_DEBUG,
723 "Current terrain elevation after tile mgr init " <<
724 scenery.get_cur_elev() );
727 ////////////////////////////////////////////////////////////////////
728 // Initialize the flight model subsystem.
729 ////////////////////////////////////////////////////////////////////
733 // allocates structures so must happen before any of the flight
734 // model or control parameters are set
735 fgAircraftInit(); // In the future this might not be the case.
738 ////////////////////////////////////////////////////////////////////
739 // Initialize the event manager subsystem.
740 ////////////////////////////////////////////////////////////////////
742 global_events.Init();
744 // Output event stats every 60 seconds
745 global_events.Register( "fgEVENT_MGR::PrintStats()",
746 fgMethodCallback<fgEVENT_MGR>( &global_events,
747 &fgEVENT_MGR::PrintStats),
748 fgEVENT::FG_EVENT_READY, 60000 );
751 ////////////////////////////////////////////////////////////////////
752 // Initialize the view manager subsystem.
753 ////////////////////////////////////////////////////////////////////
758 ////////////////////////////////////////////////////////////////////
759 // Initialize the lighting subsystem.
760 ////////////////////////////////////////////////////////////////////
762 // fgUpdateSunPos() needs a few position and view parameters set
763 // so it can calculate local relative sun angle and a few other
764 // things for correctly orienting the sky.
767 global_events.Register( "fgUpdateSunPos()", fgUpdateSunPos,
768 fgEVENT::FG_EVENT_READY, 60000);
769 global_events.Register( "fgUpdateMoonPos()", fgUpdateMoonPos,
770 fgEVENT::FG_EVENT_READY, 60000);
772 // Initialize Lighting interpolation tables
775 // update the lighting parameters (based on sun angle)
776 global_events.Register( "fgLight::Update()",
777 fgMethodCallback<fgLIGHT>( &cur_light_params,
779 fgEVENT::FG_EVENT_READY, 30000 );
782 ////////////////////////////////////////////////////////////////////
783 // Initialize the local time subsystem.
784 ////////////////////////////////////////////////////////////////////
786 // update the current timezone each 30 minutes
787 global_events.Register( "fgUpdateLocalTime()", fgUpdateLocalTime,
788 fgEVENT::FG_EVENT_READY, 1800000);
791 ////////////////////////////////////////////////////////////////////
792 // Initialize the weather subsystem.
793 ////////////////////////////////////////////////////////////////////
795 // Initialize the weather modeling subsystem
796 #ifndef FG_NEW_ENVIRONMENT
797 // Initialize the WeatherDatabase
798 SG_LOG(SG_GENERAL, SG_INFO, "Creating LocalWeatherDatabase");
800 sgSetVec3( position, current_aircraft.fdm_state->get_Latitude(),
801 current_aircraft.fdm_state->get_Longitude(),
802 current_aircraft.fdm_state->get_Altitude() * SG_FEET_TO_METER );
803 double init_vis = fgGetDouble("/environment/visibility-m");
805 FGLocalWeatherDatabase::DatabaseWorkingType working_type;
807 if (fgGetString("/environment/weather/working-type") == "internet")
809 working_type = FGLocalWeatherDatabase::use_internet;
811 working_type = FGLocalWeatherDatabase::default_mode;
814 if ( init_vis > 0 ) {
815 FGLocalWeatherDatabase::theFGLocalWeatherDatabase =
816 new FGLocalWeatherDatabase( position,
817 globals->get_fg_root(),
821 FGLocalWeatherDatabase::theFGLocalWeatherDatabase =
822 new FGLocalWeatherDatabase( position,
823 globals->get_fg_root(),
827 // cout << theFGLocalWeatherDatabase << endl;
828 // cout << "visibility = "
829 // << theFGLocalWeatherDatabase->getWeatherVisibility() << endl;
831 WeatherDatabase = FGLocalWeatherDatabase::theFGLocalWeatherDatabase;
833 // register the periodic update of the weather
834 global_events.Register( "weather update", fgUpdateWeatherDatabase,
835 fgEVENT::FG_EVENT_READY, 30000);
837 globals->get_environment_mgr()->init();
838 globals->get_environment_mgr()->bind();
841 ////////////////////////////////////////////////////////////////////
842 // Initialize vor/ndb/ils/fix list management and query systems
843 ////////////////////////////////////////////////////////////////////
845 SG_LOG(SG_GENERAL, SG_INFO, "Loading Navaids");
847 SG_LOG(SG_GENERAL, SG_INFO, " VOR/NDB");
848 current_navlist = new FGNavList;
849 SGPath p_nav( globals->get_fg_root() );
850 p_nav.append( "Navaids/default.nav" );
851 current_navlist->init( p_nav );
853 SG_LOG(SG_GENERAL, SG_INFO, " ILS and Marker Beacons");
854 current_beacons = new FGMarkerBeacons;
855 current_beacons->init();
856 current_ilslist = new FGILSList;
857 SGPath p_ils( globals->get_fg_root() );
858 p_ils.append( "Navaids/default.ils" );
859 current_ilslist->init( p_ils );
861 SG_LOG(SG_GENERAL, SG_INFO, " Fixes");
862 current_fixlist = new FGFixList;
863 SGPath p_fix( globals->get_fg_root() );
864 p_fix.append( "Navaids/default.fix" );
865 current_fixlist->init( p_fix );
867 ////////////////////////////////////////////////////////////////////
868 // Initialize ATC list management and query systems
869 ////////////////////////////////////////////////////////////////////
872 SG_LOG(SG_GENERAL, SG_INFO, " ATIS");
873 current_atislist = new FGATISList;
874 SGPath p_atis( globals->get_fg_root() );
875 p_atis.append( "ATC/default.atis" );
876 current_atislist->init( p_atis );
878 ////////////////////////////////////////////////////////////////////
879 // Initialise ATC display system
880 ////////////////////////////////////////////////////////////////////
882 SG_LOG(SG_GENERAL, SG_INFO, " ATC Display");
883 globals->set_ATC_display(new FGATCDisplay);
884 globals->get_ATC_display()->init();
886 ////////////////////////////////////////////////////////////////////
887 // Initialise the ATC Manager
888 ////////////////////////////////////////////////////////////////////
890 SG_LOG(SG_GENERAL, SG_INFO, " ATC Manager");
891 globals->set_ATC_mgr(new FGATCMgr);
892 globals->get_ATC_mgr()->init();
894 ////////////////////////////////////////////////////////////////////
895 // Initialize the built-in commands.
896 ////////////////////////////////////////////////////////////////////
900 #ifdef ENABLE_AUDIO_SUPPORT
901 ////////////////////////////////////////////////////////////////////
902 // Initialize the sound subsystem.
903 ////////////////////////////////////////////////////////////////////
905 globals->set_soundmgr(new FGSoundMgr);
906 globals->get_soundmgr()->init();
907 globals->get_soundmgr()->bind();
910 ////////////////////////////////////////////////////////////////////
911 // Initialize the sound-effects subsystem.
912 ////////////////////////////////////////////////////////////////////
913 globals->set_fx(new FGFX);
914 globals->get_fx()->init();
915 globals->get_fx()->bind();
919 ////////////////////////////////////////////////////////////////////
920 // Initialize the radio stack subsystem.
921 ////////////////////////////////////////////////////////////////////
923 // A textbook example of how FGSubsystem
925 current_radiostack = new FGRadioStack;
926 current_radiostack->init();
927 current_radiostack->bind();
930 ////////////////////////////////////////////////////////////////////
931 // Initialize the cockpit subsystem
932 ////////////////////////////////////////////////////////////////////
934 if( fgCockpitInit( ¤t_aircraft )) {
935 // Cockpit initialized ok.
937 SG_LOG( SG_GENERAL, SG_ALERT, "Error in Cockpit initialization!" );
942 ////////////////////////////////////////////////////////////////////
943 // Initialize the joystick subsystem.
944 ////////////////////////////////////////////////////////////////////
946 // if ( ! fgJoystickInit() ) {
947 // SG_LOG( SG_GENERAL, SG_ALERT, "Error in Joystick initialization!" );
951 ////////////////////////////////////////////////////////////////////
952 // Initialize the autopilot subsystem.
953 ////////////////////////////////////////////////////////////////////
955 current_autopilot = new FGAutopilot;
956 current_autopilot->init();
958 // initialize the gui parts of the autopilot
964 ////////////////////////////////////////////////////////////////////
965 // Initialize I/O subsystem.
966 ////////////////////////////////////////////////////////////////////
968 #if ! defined( macintosh )
972 // Initialize the 2D panel.
973 string panel_path = fgGetString("/sim/panel/path",
974 "Panels/Default/default.xml");
975 current_panel = fgReadPanel(panel_path);
976 if (current_panel == 0) {
977 SG_LOG( SG_INPUT, SG_ALERT,
978 "Error reading new panel from " << panel_path );
980 SG_LOG( SG_INPUT, SG_INFO, "Loaded new panel from " << panel_path );
981 current_panel->init();
982 current_panel->bind();
986 ////////////////////////////////////////////////////////////////////
987 // Initialize the default (kludged) properties.
988 ////////////////////////////////////////////////////////////////////
993 ////////////////////////////////////////////////////////////////////
994 // Initialize the controls subsystem.
995 ////////////////////////////////////////////////////////////////////
997 globals->get_controls()->init();
998 globals->get_controls()->bind();
1001 ////////////////////////////////////////////////////////////////////
1002 // Initialize the input subsystem.
1003 ////////////////////////////////////////////////////////////////////
1005 current_input.init();
1006 current_input.bind();
1009 ////////////////////////////////////////////////////////////////////////
1010 // End of subsystem initialization.
1011 ////////////////////////////////////////////////////////////////////
1013 SG_LOG( SG_GENERAL, SG_INFO, endl);
1015 // Save the initial state for future
1017 globals->saveInitialState();
1023 void fgReInitSubsystems( void )
1025 static const SGPropertyNode *longitude
1026 = fgGetNode("/position/longitude-deg");
1027 static const SGPropertyNode *latitude
1028 = fgGetNode("/position/latitude-deg");
1029 static const SGPropertyNode *altitude
1030 = fgGetNode("/position/altitude-ft");
1031 static const SGPropertyNode *master_freeze
1032 = fgGetNode("/sim/freeze/master");
1034 SG_LOG( SG_GENERAL, SG_INFO,
1035 "/position/altitude = " << altitude->getDoubleValue() );
1037 bool freeze = master_freeze->getBoolValue();
1039 fgSetBool("/sim/freeze/master", true);
1042 // Initialize the Scenery Management subsystem
1046 if( global_tile_mgr.init() ) {
1047 Load the local scenery data
1048 global_tile_mgr.update( longitude->getDoubleValue(),
1049 latitude->getDoubleValue() );
1051 SG_LOG( SG_GENERAL, SG_ALERT, "Error in Tile Manager initialization!" );
1058 // allocates structures so must happen before any of the flight
1059 // model or control parameters are set
1060 fgAircraftInit(); // In the future this might not be the case.
1064 globals->get_controls()->reset_all();
1065 current_autopilot->reset();
1069 cur_light_params.Update();
1070 fgUpdateLocalTime();
1073 fgSetBool("/sim/freeze/master", false);