1 // fg_init.cxx -- Flight Gear top level initialization routines
3 // Written by Curtis Olson, started August 1997.
5 // Copyright (C) 1997 Curtis L. Olson - curt@infoplane.com
7 // This program is free software; you can redistribute it and/or
8 // modify it under the terms of the GNU General Public License as
9 // published by the Free Software Foundation; either version 2 of the
10 // License, or (at your option) any later version.
12 // This program is distributed in the hope that it will be useful, but
13 // WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 // General Public License for more details.
17 // You should have received a copy of the GNU General Public License
18 // along with this program; if not, write to the Free Software
19 // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
29 // For BC 5.01 this must be included before OpenGL includes.
30 #ifdef SG_MATH_EXCEPTION_CLASH
42 #include <string.h> // strcmp()
45 #if defined( unix ) || defined( __CYGWIN__ )
46 # include <unistd.h> // for gethostname()
49 // work around a stdc++ lib bug in some versions of linux, but doesn't
50 // seem to hurt to have this here for all versions of Linux.
52 # define _G_NO_EXTERN_TEMPLATES
55 #include <simgear/compiler.h>
56 #include <simgear/misc/exception.hxx>
60 #include <simgear/constants.h>
61 #include <simgear/debug/logstream.hxx>
62 #include <simgear/math/point3d.hxx>
63 #include <simgear/math/polar3d.hxx>
64 #include <simgear/math/sg_geodesy.hxx>
65 #include <simgear/misc/sg_path.hxx>
66 #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/atislist.hxx>
76 #include <ATC/towerlist.hxx>
77 #include <ATC/approachlist.hxx>
78 #include <ATC/AIMgr.hxx>
79 #include <Autopilot/auto_gui.hxx>
80 #include <Autopilot/newauto.hxx>
81 #include <Cockpit/cockpit.hxx>
82 #include <Cockpit/radiostack.hxx>
83 #include <Cockpit/panel.hxx>
84 #include <Cockpit/panel_io.hxx>
85 #include <FDM/ADA.hxx>
86 #include <FDM/Balloon.h>
87 #include <FDM/External.hxx>
88 #include <FDM/ExternalNet.hxx>
89 #include <FDM/JSBSim/JSBSim.hxx>
90 #include <FDM/LaRCsim.hxx>
91 #include <FDM/MagicCarpet.hxx>
92 #include <FDM/NullFDM.hxx>
93 #include <FDM/YASim/YASim.hxx>
94 #include <Include/general.hxx>
95 #include <Input/input.hxx>
96 // #include <Joystick/joystick.hxx>
97 #include <Objects/matlib.hxx>
98 #include <Model/acmodel.hxx>
99 #include <Navaids/fixlist.hxx>
100 #include <Navaids/ilslist.hxx>
101 #include <Navaids/mkrbeacons.hxx>
102 #include <Navaids/navlist.hxx>
103 #include <Scenery/scenery.hxx>
104 #include <Scenery/tilemgr.hxx>
105 #include <Sound/fg_fx.hxx>
106 #include <Sound/soundmgr.hxx>
107 #include <Time/FGEventMgr.hxx>
108 #include <Time/light.hxx>
109 #include <Time/sunpos.hxx>
110 #include <Time/moonpos.hxx>
111 #include <Time/tmp.hxx>
113 #ifndef FG_NEW_ENVIRONMENT
114 # include <WeatherCM/FGLocalWeatherDatabase.h>
116 # include <Environment/environment_mgr.hxx>
119 #include "fg_init.hxx"
121 #include "fg_commands.hxx"
122 #include "fg_props.hxx"
123 #include "options.hxx"
124 #include "globals.hxx"
125 #include "logger.hxx"
126 #include "viewmgr.hxx"
128 #if defined(FX) && defined(XMESA)
129 #include <GL/xmesa.h>
132 SG_USING_STD(string);
134 extern const char *default_root;
137 // Read in configuration (file and command line) and just set fg_root
138 bool fgInitFGRoot ( int argc, char **argv ) {
142 // First parse command line options looking for fg-root, this will
143 // override anything specified in a config file
144 root = fgScanForRoot(argc, argv);
146 #if defined( unix ) || defined( __CYGWIN__ )
147 // Next check home directory for .fgfsrc.hostname file
148 if ( root.empty() ) {
149 envp = ::getenv( "HOME" );
150 if ( envp != NULL ) {
151 SGPath config( envp );
152 config.append( ".fgfsrc" );
154 gethostname( name, 256 );
155 config.concat( "." );
156 config.concat( name );
157 root = fgScanForRoot(config.str());
162 // Next check home directory for .fgfsrc file
163 if ( root.empty() ) {
164 envp = ::getenv( "HOME" );
165 if ( envp != NULL ) {
166 SGPath config( envp );
167 config.append( ".fgfsrc" );
168 root = fgScanForRoot(config.str());
172 // Next check if fg-root is set as an env variable
173 if ( root.empty() ) {
174 envp = ::getenv( "FG_ROOT" );
175 if ( envp != NULL ) {
180 // Otherwise, default to a random compiled-in location if we can't
181 // find fg-root any other way.
182 if ( root.empty() ) {
183 #if defined( __CYGWIN__ )
184 root = "/FlightGear";
185 #elif defined( WIN32 )
186 root = "\\FlightGear";
187 #elif defined( macintosh )
194 SG_LOG(SG_INPUT, SG_INFO, "fg_root = " << root );
195 globals->set_fg_root(root);
201 // Return the current base package version
202 string fgBasePackageVersion() {
203 SGPath base_path( globals->get_fg_root() );
204 base_path.append("version");
206 sg_gzifstream in( base_path.str() );
207 if ( !in.is_open() ) {
208 SGPath old_path( globals->get_fg_root() );
209 old_path.append( "Thanks" );
210 sg_gzifstream old( old_path.str() );
211 if ( !old.is_open() ) {
214 return "[old version]";
225 // Read in configuration (file and command line)
226 bool fgInitConfig ( int argc, char **argv ) {
228 // First, set some sane default values
231 // Read global preferences from $FG_ROOT/preferences.xml
232 SGPath props_path(globals->get_fg_root());
233 props_path.append("preferences.xml");
234 SG_LOG(SG_INPUT, SG_INFO, "Reading global preferences");
235 readProperties(props_path.str(), globals->get_props());
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 << ")" );
353 // Set current tower position lon/lat given an airport id
354 bool fgSetTowerPosFromAirportID( const string& id, double hdg ) {
356 // tower height hard coded for now...
357 float towerheight=50.0f;
359 // make a little off the heading for 1 runway airports...
360 float fudge_lon = fabs(sin(hdg)) * .003f;
361 float fudge_lat = .003f - fudge_lon;
363 if ( fgFindAirportID( id, &a ) ) {
364 fgSetDouble("/sim/tower/longitude-deg", a.longitude + fudge_lon);
365 fgSetDouble("/sim/tower/latitude-deg", a.latitude + fudge_lat);
366 fgSetDouble("/sim/tower/altitude-ft", a.elevation + towerheight);
375 // Set current_options lon/lat given an airport id and heading (degrees)
376 bool fgSetPosFromAirportIDandHdg( const string& id, double tgt_hdg ) {
379 double found_dir = 0.0;
382 // set initial position from runway and heading
384 SGPath path( globals->get_fg_root() );
385 path.append( "Airports" );
386 path.append( "runways.mk4" );
387 FGRunways runways( path.c_str() );
389 SG_LOG( SG_GENERAL, SG_INFO,
390 "Attempting to set starting position from runway code "
391 << id << " heading " << tgt_hdg );
393 // SGPath inpath( globals->get_fg_root() );
394 // inpath.append( "Airports" );
395 // inpath.append( "apt_simple" );
396 // airports.load( inpath.c_str() );
398 // SGPath outpath( globals->get_fg_root() );
399 // outpath.append( "Airports" );
400 // outpath.append( "simple.gdbm" );
401 // airports.dump_gdbm( outpath.c_str() );
403 if ( ! runways.search( id, &r ) ) {
404 SG_LOG( SG_GENERAL, SG_ALERT,
405 "Failed to find " << id << " in database." );
410 double min_diff = 360.0;
412 while ( r.id == id ) {
414 diff = tgt_hdg - r.heading;
415 while ( diff < -180.0 ) { diff += 360.0; }
416 while ( diff > 180.0 ) { diff -= 360.0; }
418 SG_LOG( SG_GENERAL, SG_INFO,
419 "Runway " << r.rwy_no << " heading = " << r.heading <<
420 " diff = " << diff );
421 if ( diff < min_diff ) {
428 diff = tgt_hdg - r.heading - 180.0;
429 while ( diff < -180.0 ) { diff += 360.0; }
430 while ( diff > 180.0 ) { diff -= 360.0; }
432 SG_LOG( SG_GENERAL, SG_INFO,
433 "Runway -" << r.rwy_no << " heading = " <<
435 " diff = " << diff );
436 if ( diff < min_diff ) {
445 SG_LOG( SG_GENERAL, SG_INFO, "closest runway = " << found_r.rwy_no
446 << " + " << found_dir );
452 double heading = found_r.heading + found_dir;
453 while ( heading >= 360.0 ) { heading -= 360.0; }
455 double lat2, lon2, az2;
456 double azimuth = found_r.heading + found_dir + 180.0;
457 while ( azimuth >= 360.0 ) { azimuth -= 360.0; }
459 SG_LOG( SG_GENERAL, SG_INFO,
460 "runway = " << found_r.lon << ", " << found_r.lat
461 << " length = " << found_r.length * SG_FEET_TO_METER * 0.5
462 << " heading = " << azimuth );
464 geo_direct_wgs_84 ( 0, found_r.lat, found_r.lon,
465 azimuth, found_r.length * SG_FEET_TO_METER * 0.5 - 5.0,
466 &lat2, &lon2, &az2 );
468 if ( fabs( fgGetDouble("/sim/startup/offset-distance") ) > SG_EPSILON ) {
470 double odist = fgGetDouble("/sim/startup/offset-distance");
471 odist *= SG_NM_TO_METER;
472 double oaz = azimuth;
473 if ( fabs(fgGetDouble("/sim/startup/offset-azimuth")) > SG_EPSILON ) {
474 oaz = fgGetDouble("/sim/startup/offset-azimuth") + 180;
476 while ( oaz >= 360.0 ) { oaz -= 360.0; }
477 geo_direct_wgs_84 ( 0, lat2, lon2, oaz, odist, &olat, &olon, &az2 );
482 fgSetDouble("/position/longitude-deg", lon2 );
483 fgSetDouble("/position/latitude-deg", lat2 );
484 fgSetDouble("/orientation/heading-deg", heading );
486 SG_LOG( SG_GENERAL, SG_INFO,
487 "Position for " << id << " is ("
489 << lat2 << ") new heading is "
495 void fgSetPosFromGlideSlope(void) {
496 double gs = fgGetDouble("/velocities/glideslope");
497 double od = fgGetDouble("/sim/startup/offset-distance");
498 double alt = fgGetDouble("/position/altitude-ft");
500 //if glideslope and offset-distance are set and altitude is
501 //not, calculate the initial altitude
502 if( fabs(gs) > 0.01 && fabs(od) > 0.1 && alt < -9990 ) {
503 od *= SG_NM_TO_METER * SG_METER_TO_FEET;
504 alt = fabs(od*tan(gs));
505 fgSetDouble("/position/altitude-ft",alt);
506 fgSetBool("/sim/startup/onground", false);
507 SG_LOG(SG_GENERAL,SG_INFO, "Calculated altitude as: " << alt << " ft");
508 } else if( fabs(gs) > 0.01 && alt > 0 && fabs(od) < 0.1) {
510 od *= -1*SG_FEET_TO_METER * SG_METER_TO_NM;
511 fgSetDouble("/sim/startup/offset-distance",od);
512 SG_LOG(SG_GENERAL,SG_INFO, "Calculated offset distance as: "
514 } else if( fabs(gs) > 0.01 ) {
515 SG_LOG(SG_GENERAL,SG_ALERT, "Glideslope given but not altitude"
516 << " or offset-distance. Resetting"
517 << " glideslope to zero" );
518 fgSetDouble("/velocities/glideslope",0);
523 // General house keeping initializations
524 bool fgInitGeneral( void ) {
527 #if defined(FX) && defined(XMESA)
528 char *mesa_win_state;
531 SG_LOG( SG_GENERAL, SG_INFO, "General Initialization" );
532 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
534 root = globals->get_fg_root();
535 if ( ! root.length() ) {
536 // No root path set? Then bail ...
537 SG_LOG( SG_GENERAL, SG_ALERT,
538 "Cannot continue without a path to the base package "
539 << "being defined." );
542 SG_LOG( SG_GENERAL, SG_INFO, "FG_ROOT = " << '"' << root << '"' << endl );
544 #if defined(FX) && defined(XMESA)
545 // initialize full screen flag
546 globals->set_fullscreen(false);
547 if ( strstr ( general.get_glRenderer(), "Glide" ) ) {
548 // Test for the MESA_GLX_FX env variable
549 if ( (mesa_win_state = getenv( "MESA_GLX_FX" )) != NULL) {
550 // test if we are fullscreen mesa/glide
551 if ( (mesa_win_state[0] == 'f') ||
552 (mesa_win_state[0] == 'F') ) {
553 globals->set_fullscreen(true);
563 // Initialize the flight model subsystem. This just creates the
564 // object. The actual fdm initialization is delayed until we get a
565 // proper scenery elevation hit. This is checked for in main.cxx
569 if ( cur_fdm_state ) {
570 delete cur_fdm_state;
574 double dt = 1.0 / fgGetInt("/sim/model-hz");
575 aircraft_dir = fgGetString("/sim/aircraft-dir");
576 const string &model = fgGetString("/sim/flight-model");
579 if ( model == "larcsim" ) {
580 cur_fdm_state = new FGLaRCsim( dt );
581 } else if ( model == "jsb" ) {
582 cur_fdm_state = new FGJSBsim( dt );
583 } else if ( model == "ada" ) {
584 cur_fdm_state = new FGADA( dt );
585 } else if ( model == "balloon" ) {
586 cur_fdm_state = new FGBalloonSim( dt );
587 } else if ( model == "magic" ) {
588 cur_fdm_state = new FGMagicCarpet( dt );
589 } else if ( model == "external" ) {
590 cur_fdm_state = new FGExternal( dt );
591 } else if ( model.find("network,") == 0 ) {
592 string host = "localhost";
596 string net_options = model.substr(8);
597 string::size_type begin, end;
600 end = net_options.find( ",", begin );
601 if ( end != string::npos ) {
602 host = net_options.substr(begin, end - begin);
606 end = net_options.find( ",", begin );
607 if ( end != string::npos ) {
608 port1 = atoi( net_options.substr(begin, end - begin).c_str() );
612 end = net_options.find( ",", begin );
613 if ( end != string::npos ) {
614 port2 = atoi( net_options.substr(begin, end - begin).c_str() );
618 end = net_options.find( ",", begin );
619 if ( end != string::npos ) {
620 port3 = atoi( net_options.substr(begin, end - begin).c_str() );
623 cur_fdm_state = new FGExternalNet( dt, host, port1, port2, port3 );
624 } else if ( model == "null" ) {
625 cur_fdm_state = new FGNullFDM( dt );
626 } else if ( model == "yasim" ) {
627 cur_fdm_state = new YASim( dt );
629 SG_LOG(SG_GENERAL, SG_ALERT,
630 "Unrecognized flight model '" << model
631 << "', cannot init flight dynamics model.");
635 SG_LOG(SG_GENERAL, SG_ALERT, "FlightGear aborting\n\n");
641 // Initialize view parameters
643 globals->get_viewmgr()->update(0);
647 SGTime *fgInitTime() {
649 static const SGPropertyNode *longitude
650 = fgGetNode("/position/longitude-deg");
651 static const SGPropertyNode *latitude
652 = fgGetNode("/position/latitude-deg");
653 static const SGPropertyNode *cur_time_override
654 = fgGetNode("/sim/time/cur-time-override", true);
656 SGPath zone( globals->get_fg_root() );
657 zone.append( "Timezone" );
658 SGTime *t = new SGTime( longitude->getDoubleValue()
659 * SGD_DEGREES_TO_RADIANS,
660 latitude->getDoubleValue()
661 * SGD_DEGREES_TO_RADIANS,
663 cur_time_override->getLongValue() );
665 // Handle potential user specified time offsets
666 time_t cur_time = t->get_cur_time();
667 time_t currGMT = sgTimeGetGMT( gmtime(&cur_time) );
668 time_t systemLocalTime = sgTimeGetGMT( localtime(&cur_time) );
669 time_t aircraftLocalTime =
670 sgTimeGetGMT( fgLocaltime(&cur_time, t->get_zonename() ) );
672 // Okay, we now have six possible scenarios
673 int offset = fgGetInt("/sim/startup/time-offset");
674 const string &offset_type = fgGetString("/sim/startup/time-offset-type");
675 if (offset_type == "system-offset") {
676 globals->set_warp( offset );
677 } else if (offset_type == "gmt-offset") {
678 globals->set_warp( offset - (currGMT - systemLocalTime) );
679 } else if (offset_type == "latitude-offset") {
680 globals->set_warp( offset - (aircraftLocalTime - systemLocalTime) );
681 } else if (offset_type == "system") {
682 globals->set_warp( offset - cur_time );
683 } else if (offset_type == "gmt") {
684 globals->set_warp( offset - currGMT );
685 } else if (offset_type == "latitude") {
686 globals->set_warp( offset - (aircraftLocalTime - systemLocalTime) -
689 SG_LOG( SG_GENERAL, SG_ALERT,
690 "FG_TIME::Unsupported offset type " << offset_type );
694 SG_LOG( SG_GENERAL, SG_INFO, "After time init, warp = "
695 << globals->get_warp() );
697 globals->set_warp_delta( 0 );
700 cur_time_override->getLongValue(),
701 globals->get_warp() );
707 // This is the top level init routine which calls all the other
708 // initialization routines. If you are adding a subsystem to flight
709 // gear, its initialization call should located in this routine.
710 // Returns non-zero if a problem encountered.
711 bool fgInitSubsystems( void ) {
712 static const SGPropertyNode *longitude
713 = fgGetNode("/position/longitude-deg");
714 static const SGPropertyNode *latitude
715 = fgGetNode("/position/latitude-deg");
716 static const SGPropertyNode *altitude
717 = fgGetNode("/position/altitude-ft");
719 fgLIGHT *l = &cur_light_params;
721 SG_LOG( SG_GENERAL, SG_INFO, "Initialize Subsystems");
722 SG_LOG( SG_GENERAL, SG_INFO, "========== ==========");
725 ////////////////////////////////////////////////////////////////////
726 // Initialize the material property subsystem.
727 ////////////////////////////////////////////////////////////////////
729 SGPath mpath( globals->get_fg_root() );
730 mpath.append( "materials.xml" );
731 if ( ! material_lib.load( mpath.str() ) ) {
732 SG_LOG( SG_GENERAL, SG_ALERT, "Error loading material lib!" );
737 ////////////////////////////////////////////////////////////////////
738 // Initialize the scenery management subsystem.
739 ////////////////////////////////////////////////////////////////////
744 if ( global_tile_mgr.init() ) {
745 // Load the local scenery data
746 double visibility_meters = fgGetDouble("/environment/visibility-m");
748 global_tile_mgr.update( longitude->getDoubleValue(),
749 latitude->getDoubleValue(),
752 SG_LOG( SG_GENERAL, SG_ALERT, "Error in Tile Manager initialization!" );
756 SG_LOG( SG_GENERAL, SG_DEBUG,
757 "Current terrain elevation after tile mgr init " <<
758 scenery.get_cur_elev() );
761 ////////////////////////////////////////////////////////////////////
762 // Initialize the flight model subsystem.
763 ////////////////////////////////////////////////////////////////////
767 // allocates structures so must happen before any of the flight
768 // model or control parameters are set
769 fgAircraftInit(); // In the future this might not be the case.
772 ////////////////////////////////////////////////////////////////////
773 // Initialize the event manager subsystem.
774 ////////////////////////////////////////////////////////////////////
776 global_events.init();
778 // Output event stats every 60 seconds
779 global_events.Register( "FGEventMgr::print_stats()",
780 &global_events, &FGEventMgr::print_stats,
784 ////////////////////////////////////////////////////////////////////
785 // Initialize the view manager subsystem.
786 ////////////////////////////////////////////////////////////////////
791 ////////////////////////////////////////////////////////////////////
792 // Initialize the lighting subsystem.
793 ////////////////////////////////////////////////////////////////////
795 // fgUpdateSunPos() needs a few position and view parameters set
796 // so it can calculate local relative sun angle and a few other
797 // things for correctly orienting the sky.
800 global_events.Register( "fgUpdateSunPos()", &fgUpdateSunPos,
802 global_events.Register( "fgUpdateMoonPos()", &fgUpdateMoonPos,
805 // Initialize Lighting interpolation tables
808 // update the lighting parameters (based on sun angle)
809 global_events.Register( "fgLight::Update()",
810 &cur_light_params, &fgLIGHT::Update,
814 ////////////////////////////////////////////////////////////////////
815 // Initialize the logger.
816 ////////////////////////////////////////////////////////////////////
818 globals->set_logger(new FGLogger);
819 globals->get_logger()->init();
820 globals->get_logger()->bind();
823 ////////////////////////////////////////////////////////////////////
824 // Initialize the local time subsystem.
825 ////////////////////////////////////////////////////////////////////
827 // update the current timezone each 30 minutes
828 global_events.Register( "fgUpdateLocalTime()", &fgUpdateLocalTime,
832 ////////////////////////////////////////////////////////////////////
833 // Initialize the weather subsystem.
834 ////////////////////////////////////////////////////////////////////
836 // Initialize the weather modeling subsystem
837 #ifndef FG_NEW_ENVIRONMENT
838 // Initialize the WeatherDatabase
839 SG_LOG(SG_GENERAL, SG_INFO, "Creating LocalWeatherDatabase");
841 sgSetVec3( position, current_aircraft.fdm_state->get_Latitude(),
842 current_aircraft.fdm_state->get_Longitude(),
843 current_aircraft.fdm_state->get_Altitude() * SG_FEET_TO_METER );
844 double init_vis = fgGetDouble("/environment/visibility-m");
846 FGLocalWeatherDatabase::DatabaseWorkingType working_type;
848 if (!strcmp(fgGetString("/environment/weather/working-type"), "internet"))
850 working_type = FGLocalWeatherDatabase::use_internet;
852 working_type = FGLocalWeatherDatabase::default_mode;
855 if ( init_vis > 0 ) {
856 FGLocalWeatherDatabase::theFGLocalWeatherDatabase =
857 new FGLocalWeatherDatabase( position,
858 globals->get_fg_root(),
862 FGLocalWeatherDatabase::theFGLocalWeatherDatabase =
863 new FGLocalWeatherDatabase( position,
864 globals->get_fg_root(),
868 // cout << theFGLocalWeatherDatabase << endl;
869 // cout << "visibility = "
870 // << theFGLocalWeatherDatabase->getWeatherVisibility() << endl;
872 WeatherDatabase = FGLocalWeatherDatabase::theFGLocalWeatherDatabase;
874 // register the periodic update of the weather
875 global_events.Register( "weather update", &fgUpdateWeatherDatabase,
878 globals->get_environment_mgr()->init();
879 globals->get_environment_mgr()->bind();
882 ////////////////////////////////////////////////////////////////////
883 // Initialize vor/ndb/ils/fix list management and query systems
884 ////////////////////////////////////////////////////////////////////
886 SG_LOG(SG_GENERAL, SG_INFO, "Loading Navaids");
888 SG_LOG(SG_GENERAL, SG_INFO, " VOR/NDB");
889 current_navlist = new FGNavList;
890 SGPath p_nav( globals->get_fg_root() );
891 p_nav.append( "Navaids/default.nav" );
892 current_navlist->init( p_nav );
894 SG_LOG(SG_GENERAL, SG_INFO, " ILS and Marker Beacons");
895 current_beacons = new FGMarkerBeacons;
896 current_beacons->init();
897 current_ilslist = new FGILSList;
898 SGPath p_ils( globals->get_fg_root() );
899 p_ils.append( "Navaids/default.ils" );
900 current_ilslist->init( p_ils );
902 SG_LOG(SG_GENERAL, SG_INFO, " Fixes");
903 current_fixlist = new FGFixList;
904 SGPath p_fix( globals->get_fg_root() );
905 p_fix.append( "Navaids/default.fix" );
906 current_fixlist->init( p_fix );
908 ////////////////////////////////////////////////////////////////////
909 // Initialize ATC list management and query systems
910 ////////////////////////////////////////////////////////////////////
912 SG_LOG(SG_GENERAL, SG_INFO, " ATIS");
913 current_atislist = new FGATISList;
914 SGPath p_atis( globals->get_fg_root() );
915 p_atis.append( "ATC/default.atis" );
916 current_atislist->init( p_atis );
918 SG_LOG(SG_GENERAL, SG_INFO, " Tower");
919 current_towerlist = new FGTowerList;
920 SGPath p_tower( globals->get_fg_root() );
921 p_tower.append( "ATC/default.tower" );
922 current_towerlist->init( p_tower );
924 SG_LOG(SG_GENERAL, SG_INFO, " Approach");
925 current_approachlist = new FGApproachList;
926 SGPath p_approach( globals->get_fg_root() );
927 p_approach.append( "ATC/default.approach" );
928 current_approachlist->init( p_approach );
930 ////////////////////////////////////////////////////////////////////
931 // Initialise ATC display system
932 ////////////////////////////////////////////////////////////////////
934 SG_LOG(SG_GENERAL, SG_INFO, " ATC Display");
935 globals->set_ATC_display(new FGATCDisplay);
936 globals->get_ATC_display()->init();
938 ////////////////////////////////////////////////////////////////////
939 // Initialise the ATC Manager
940 ////////////////////////////////////////////////////////////////////
942 SG_LOG(SG_GENERAL, SG_INFO, " ATC Manager");
943 globals->set_ATC_mgr(new FGATCMgr);
944 globals->get_ATC_mgr()->init();
946 ////////////////////////////////////////////////////////////////////
947 // Initialise the AI Manager
948 ////////////////////////////////////////////////////////////////////
950 SG_LOG(SG_GENERAL, SG_INFO, " AI Manager");
951 globals->set_AI_mgr(new FGAIMgr);
952 globals->get_AI_mgr()->init();
954 ////////////////////////////////////////////////////////////////////
955 // Initialize the built-in commands.
956 ////////////////////////////////////////////////////////////////////
960 #ifdef ENABLE_AUDIO_SUPPORT
961 ////////////////////////////////////////////////////////////////////
962 // Initialize the sound subsystem.
963 ////////////////////////////////////////////////////////////////////
965 globals->set_soundmgr(new FGSoundMgr);
966 globals->get_soundmgr()->init();
967 globals->get_soundmgr()->bind();
970 ////////////////////////////////////////////////////////////////////
971 // Initialize the sound-effects subsystem.
972 ////////////////////////////////////////////////////////////////////
973 globals->set_fx(new FGFX);
974 globals->get_fx()->init();
975 globals->get_fx()->bind();
979 ////////////////////////////////////////////////////////////////////
980 // Initialize the radio stack subsystem.
981 ////////////////////////////////////////////////////////////////////
983 // A textbook example of how FGSubsystem
985 current_radiostack = new FGRadioStack;
986 current_radiostack->init();
987 current_radiostack->bind();
990 ////////////////////////////////////////////////////////////////////
991 // Initialize the cockpit subsystem
992 ////////////////////////////////////////////////////////////////////
994 if( fgCockpitInit( ¤t_aircraft )) {
995 // Cockpit initialized ok.
997 SG_LOG( SG_GENERAL, SG_ALERT, "Error in Cockpit initialization!" );
1002 ////////////////////////////////////////////////////////////////////
1003 // Initialize the autopilot subsystem.
1004 ////////////////////////////////////////////////////////////////////
1006 globals->set_autopilot(new FGAutopilot);
1007 globals->get_autopilot()->init();
1008 globals->get_autopilot()->bind();
1010 // FIXME: these should go in the
1011 // GUI initialization code, not here.
1013 NewTgtAirportInit();
1017 ////////////////////////////////////////////////////////////////////
1018 // Initialize I/O subsystem.
1019 ////////////////////////////////////////////////////////////////////
1021 #if ! defined( macintosh )
1025 // Initialize the 2D panel.
1026 string panel_path = fgGetString("/sim/panel/path",
1027 "Panels/Default/default.xml");
1028 current_panel = fgReadPanel(panel_path);
1029 if (current_panel == 0) {
1030 SG_LOG( SG_INPUT, SG_ALERT,
1031 "Error reading new panel from " << panel_path );
1033 SG_LOG( SG_INPUT, SG_INFO, "Loaded new panel from " << panel_path );
1034 current_panel->init();
1035 current_panel->bind();
1039 ////////////////////////////////////////////////////////////////////
1040 // Initialize the default (kludged) properties.
1041 ////////////////////////////////////////////////////////////////////
1046 ////////////////////////////////////////////////////////////////////
1047 // Initialize the controls subsystem.
1048 ////////////////////////////////////////////////////////////////////
1050 globals->get_controls()->init();
1051 globals->get_controls()->bind();
1054 ////////////////////////////////////////////////////////////////////
1055 // Initialize the input subsystem.
1056 ////////////////////////////////////////////////////////////////////
1058 current_input.init();
1059 current_input.bind();
1062 ////////////////////////////////////////////////////////////////////////
1063 // End of subsystem initialization.
1064 ////////////////////////////////////////////////////////////////////
1066 SG_LOG( SG_GENERAL, SG_INFO, endl);
1068 // Save the initial state for future
1070 globals->saveInitialState();
1076 void fgReInitSubsystems( void )
1078 static const SGPropertyNode *longitude
1079 = fgGetNode("/position/longitude-deg");
1080 static const SGPropertyNode *latitude
1081 = fgGetNode("/position/latitude-deg");
1082 static const SGPropertyNode *altitude
1083 = fgGetNode("/position/altitude-ft");
1084 static const SGPropertyNode *master_freeze
1085 = fgGetNode("/sim/freeze/master");
1087 SG_LOG( SG_GENERAL, SG_INFO,
1088 "/position/altitude = " << altitude->getDoubleValue() );
1090 bool freeze = master_freeze->getBoolValue();
1092 fgSetBool("/sim/freeze/master", true);
1095 // Initialize the Scenery Management subsystem
1099 if( global_tile_mgr.init() ) {
1100 Load the local scenery data
1101 global_tile_mgr.update( longitude->getDoubleValue(),
1102 latitude->getDoubleValue() );
1104 SG_LOG( SG_GENERAL, SG_ALERT, "Error in Tile Manager initialization!" );
1111 // allocates structures so must happen before any of the flight
1112 // model or control parameters are set
1113 fgAircraftInit(); // In the future this might not be the case.
1117 globals->get_controls()->reset_all();
1118 globals->get_autopilot()->reset();
1122 cur_light_params.Update();
1123 fgUpdateLocalTime();
1126 fgSetBool("/sim/freeze/master", false);