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 <Navaids/fixlist.hxx>
99 #include <Navaids/ilslist.hxx>
100 #include <Navaids/mkrbeacons.hxx>
101 #include <Navaids/navlist.hxx>
102 #include <Scenery/scenery.hxx>
103 #include <Scenery/tilemgr.hxx>
104 #include <Sound/fg_fx.hxx>
105 #include <Sound/soundmgr.hxx>
106 #include <Time/event.hxx>
107 #include <Time/light.hxx>
108 #include <Time/sunpos.hxx>
109 #include <Time/moonpos.hxx>
110 #include <Time/tmp.hxx>
112 #ifndef FG_NEW_ENVIRONMENT
113 # include <WeatherCM/FGLocalWeatherDatabase.h>
115 # include <Environment/environment_mgr.hxx>
118 #include "fg_init.hxx"
120 #include "fg_commands.hxx"
121 #include "fg_props.hxx"
122 #include "options.hxx"
123 #include "globals.hxx"
124 #include "logger.hxx"
125 #include "viewmgr.hxx"
127 #if defined(FX) && defined(XMESA)
128 #include <GL/xmesa.h>
131 SG_USING_STD(string);
133 extern const char *default_root;
136 // Read in configuration (file and command line) and just set fg_root
137 bool fgInitFGRoot ( int argc, char **argv ) {
141 // First parse command line options looking for fg-root, this will
142 // override anything specified in a config file
143 root = fgScanForRoot(argc, argv);
145 #if defined( unix ) || defined( __CYGWIN__ )
146 // Next check home directory for .fgfsrc.hostname file
147 if ( root.empty() ) {
148 envp = ::getenv( "HOME" );
149 if ( envp != NULL ) {
150 SGPath config( envp );
151 config.append( ".fgfsrc" );
153 gethostname( name, 256 );
154 config.concat( "." );
155 config.concat( name );
156 root = fgScanForRoot(config.str());
161 // Next check home directory for .fgfsrc file
162 if ( root.empty() ) {
163 envp = ::getenv( "HOME" );
164 if ( envp != NULL ) {
165 SGPath config( envp );
166 config.append( ".fgfsrc" );
167 root = fgScanForRoot(config.str());
171 // Next check if fg-root is set as an env variable
172 if ( root.empty() ) {
173 envp = ::getenv( "FG_ROOT" );
174 if ( envp != NULL ) {
179 // Otherwise, default to a random compiled-in location if we can't
180 // find fg-root any other way.
181 if ( root.empty() ) {
182 #if defined( __CYGWIN__ )
183 root = "/FlightGear";
184 #elif defined( WIN32 )
185 root = "\\FlightGear";
186 #elif defined( macintosh )
193 SG_LOG(SG_INPUT, SG_INFO, "fg_root = " << root );
194 globals->set_fg_root(root);
200 // Return the current base package version
201 string fgBasePackageVersion() {
202 SGPath base_path( globals->get_fg_root() );
203 base_path.append("version");
205 sg_gzifstream in( base_path.str() );
206 if ( !in.is_open() ) {
207 SGPath old_path( globals->get_fg_root() );
208 old_path.append( "Thanks" );
209 sg_gzifstream old( old_path.str() );
210 if ( !old.is_open() ) {
213 return "[old version]";
224 // Read in configuration (file and command line)
225 bool fgInitConfig ( int argc, char **argv ) {
227 // First, set some sane default values
230 // Read global preferences from $FG_ROOT/preferences.xml
231 SGPath props_path(globals->get_fg_root());
232 props_path.append("preferences.xml");
233 SG_LOG(SG_INPUT, SG_INFO, "Reading global preferences");
234 readProperties(props_path.str(), globals->get_props());
235 SG_LOG(SG_INPUT, SG_INFO, "Finished Reading global preferences");
237 // Read the default aircraft config file.
238 string aircraft = fgGetString("/sim/aircraft", "");
239 if (aircraft.size() > 0) {
240 SGPath aircraft_path(globals->get_fg_root());
241 aircraft_path.append("Aircraft");
242 aircraft_path.append(aircraft);
243 aircraft_path.concat("-set.xml");
244 SG_LOG(SG_INPUT, SG_INFO, "Reading default aircraft: " << aircraft
245 << " from " << aircraft_path.str());
247 readProperties(aircraft_path.str(), globals->get_props());
248 } catch (const sg_exception &e) {
249 string message = "Error reading default aircraft: ";
250 message += e.getFormattedMessage();
251 SG_LOG(SG_INPUT, SG_ALERT, message);
255 SG_LOG(SG_INPUT, SG_ALERT, "No default aircraft specified");
258 // Attempt to locate and parse the various config files in order
259 // from least precidence to greatest precidence
261 // Check for $fg_root/system.fgfsrc
262 SGPath config( globals->get_fg_root() );
263 config.append( "system.fgfsrc" );
264 fgParseOptions(config.str());
267 #if defined( unix ) || defined( __CYGWIN__ )
268 // Check for $fg_root/system.fgfsrc.hostname
269 gethostname( name, 256 );
270 config.concat( "." );
271 config.concat( name );
272 fgParseOptions(config.str());
275 // Check for ~/.fgfsrc
276 char* envp = ::getenv( "HOME" );
277 if ( envp != NULL ) {
279 config.append( ".fgfsrc" );
280 fgParseOptions(config.str());
283 #if defined( unix ) || defined( __CYGWIN__ )
284 // Check for ~/.fgfsrc.hostname
285 gethostname( name, 256 );
286 config.concat( "." );
287 config.concat( name );
288 fgParseOptions(config.str());
291 // Parse remaining command line options
292 // These will override anything specified in a config file
293 fgParseArgs(argc, argv);
299 // find basic airport location info from airport database
300 bool fgFindAirportID( const string& id, FGAirport *a ) {
302 SGPath path( globals->get_fg_root() );
303 path.append( "Airports" );
304 path.append( "simple.mk4" );
305 FGAirports airports( path.c_str() );
307 SG_LOG( SG_GENERAL, SG_INFO, "Searching for airport code = " << id );
309 if ( ! airports.search( id, a ) ) {
310 SG_LOG( SG_GENERAL, SG_ALERT,
311 "Failed to find " << id << " in " << path.str() );
318 SG_LOG( SG_GENERAL, SG_INFO,
319 "Position for " << id << " is ("
320 << a->longitude << ", "
321 << a->latitude << ")" );
327 // Set current_options lon/lat given an airport id
328 bool fgSetPosFromAirportID( const string& id ) {
332 SG_LOG( SG_GENERAL, SG_INFO,
333 "Attempting to set starting position from airport code " << id );
335 if ( fgFindAirportID( id, &a ) ) {
336 fgSetDouble("/position/longitude-deg", a.longitude );
337 fgSetDouble("/position/latitude-deg", a.latitude );
338 SG_LOG( SG_GENERAL, SG_INFO,
339 "Position for " << id << " is ("
340 << a.longitude << ", "
341 << a.latitude << ")" );
351 // Set current_options lon/lat given an airport id and heading (degrees)
352 bool fgSetPosFromAirportIDandHdg( const string& id, double tgt_hdg ) {
355 double found_dir = 0.0;
358 // set initial position from runway and heading
360 SGPath path( globals->get_fg_root() );
361 path.append( "Airports" );
362 path.append( "runways.mk4" );
363 FGRunways runways( path.c_str() );
365 SG_LOG( SG_GENERAL, SG_INFO,
366 "Attempting to set starting position from runway code "
367 << id << " heading " << tgt_hdg );
369 // SGPath inpath( globals->get_fg_root() );
370 // inpath.append( "Airports" );
371 // inpath.append( "apt_simple" );
372 // airports.load( inpath.c_str() );
374 // SGPath outpath( globals->get_fg_root() );
375 // outpath.append( "Airports" );
376 // outpath.append( "simple.gdbm" );
377 // airports.dump_gdbm( outpath.c_str() );
379 if ( ! runways.search( id, &r ) ) {
380 SG_LOG( SG_GENERAL, SG_ALERT,
381 "Failed to find " << id << " in database." );
386 double min_diff = 360.0;
388 while ( r.id == id ) {
390 diff = tgt_hdg - r.heading;
391 while ( diff < -180.0 ) { diff += 360.0; }
392 while ( diff > 180.0 ) { diff -= 360.0; }
394 SG_LOG( SG_GENERAL, SG_INFO,
395 "Runway " << r.rwy_no << " heading = " << r.heading <<
396 " diff = " << diff );
397 if ( diff < min_diff ) {
404 diff = tgt_hdg - r.heading - 180.0;
405 while ( diff < -180.0 ) { diff += 360.0; }
406 while ( diff > 180.0 ) { diff -= 360.0; }
408 SG_LOG( SG_GENERAL, SG_INFO,
409 "Runway -" << r.rwy_no << " heading = " <<
411 " diff = " << diff );
412 if ( diff < min_diff ) {
421 SG_LOG( SG_GENERAL, SG_INFO, "closest runway = " << found_r.rwy_no
422 << " + " << found_dir );
428 double heading = found_r.heading + found_dir;
429 while ( heading >= 360.0 ) { heading -= 360.0; }
431 double lat2, lon2, az2;
432 double azimuth = found_r.heading + found_dir + 180.0;
433 while ( azimuth >= 360.0 ) { azimuth -= 360.0; }
435 SG_LOG( SG_GENERAL, SG_INFO,
436 "runway = " << found_r.lon << ", " << found_r.lat
437 << " length = " << found_r.length * SG_FEET_TO_METER * 0.5
438 << " heading = " << azimuth );
440 geo_direct_wgs_84 ( 0, found_r.lat, found_r.lon,
441 azimuth, found_r.length * SG_FEET_TO_METER * 0.5 - 5.0,
442 &lat2, &lon2, &az2 );
444 if ( fabs( fgGetDouble("/sim/startup/offset-distance") ) > SG_EPSILON ) {
446 double odist = fgGetDouble("/sim/startup/offset-distance");
447 odist *= SG_NM_TO_METER;
448 double oaz = azimuth;
449 if ( fabs(fgGetDouble("/sim/startup/offset-azimuth")) > SG_EPSILON ) {
450 oaz = fgGetDouble("/sim/startup/offset-azimuth") + 180;
452 while ( oaz >= 360.0 ) { oaz -= 360.0; }
453 geo_direct_wgs_84 ( 0, lat2, lon2, oaz, odist, &olat, &olon, &az2 );
458 fgSetDouble("/position/longitude-deg", lon2 );
459 fgSetDouble("/position/latitude-deg", lat2 );
460 fgSetDouble("/orientation/heading-deg", heading );
462 SG_LOG( SG_GENERAL, SG_INFO,
463 "Position for " << id << " is ("
465 << lat2 << ") new heading is "
471 void fgSetPosFromGlideSlope(void) {
472 double gs = fgGetDouble("/velocities/glideslope");
473 double od = fgGetDouble("/sim/startup/offset-distance");
474 double alt = fgGetDouble("/position/altitude-ft");
476 //if glideslope and offset-distance are set and altitude is
477 //not, calculate the initial altitude
478 if( fabs(gs) > 0.01 && fabs(od) > 0.1 && alt < -9990 ) {
479 od *= SG_NM_TO_METER * SG_METER_TO_FEET;
480 alt = fabs(od*tan(gs));
481 fgSetDouble("/position/altitude-ft",alt);
482 fgSetBool("/sim/startup/onground", false);
483 SG_LOG(SG_GENERAL,SG_INFO, "Calculated altitude as: " << alt << " ft");
484 } else if( fabs(gs) > 0.01 && alt > 0 && fabs(od) < 0.1) {
486 od *= -1*SG_FEET_TO_METER * SG_METER_TO_NM;
487 fgSetDouble("/sim/startup/offset-distance",od);
488 SG_LOG(SG_GENERAL,SG_INFO, "Calculated offset distance as: "
490 } else if( fabs(gs) > 0.01 ) {
491 SG_LOG(SG_GENERAL,SG_ALERT, "Glideslope given but not altitude"
492 << " or offset-distance. Resetting"
493 << " glideslope to zero" );
494 fgSetDouble("/velocities/glideslope",0);
499 // General house keeping initializations
500 bool fgInitGeneral( void ) {
503 #if defined(FX) && defined(XMESA)
504 char *mesa_win_state;
507 SG_LOG( SG_GENERAL, SG_INFO, "General Initialization" );
508 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
510 root = globals->get_fg_root();
511 if ( ! root.length() ) {
512 // No root path set? Then bail ...
513 SG_LOG( SG_GENERAL, SG_ALERT,
514 "Cannot continue without a path to the base package "
515 << "being defined." );
518 SG_LOG( SG_GENERAL, SG_INFO, "FG_ROOT = " << '"' << root << '"' << endl );
520 #if defined(FX) && defined(XMESA)
521 // initialize full screen flag
522 globals->set_fullscreen(false);
523 if ( strstr ( general.get_glRenderer(), "Glide" ) ) {
524 // Test for the MESA_GLX_FX env variable
525 if ( (mesa_win_state = getenv( "MESA_GLX_FX" )) != NULL) {
526 // test if we are fullscreen mesa/glide
527 if ( (mesa_win_state[0] == 'f') ||
528 (mesa_win_state[0] == 'F') ) {
529 globals->set_fullscreen(true);
539 // Initialize the flight model subsystem. This just creates the
540 // object. The actual fdm initialization is delayed until we get a
541 // proper scenery elevation hit. This is checked for in main.cxx
545 if ( cur_fdm_state ) {
546 delete cur_fdm_state;
550 double dt = 1.0 / fgGetInt("/sim/model-hz");
551 aircraft_dir = fgGetString("/sim/aircraft-dir");
552 const string &model = fgGetString("/sim/flight-model");
555 if (model == "larcsim") {
556 cur_fdm_state = new FGLaRCsim( dt );
557 } else if (model == "jsb") {
558 cur_fdm_state = new FGJSBsim( dt );
559 } else if (model == "ada") {
560 cur_fdm_state = new FGADA( dt );
561 } else if (model == "balloon") {
562 cur_fdm_state = new FGBalloonSim( dt );
563 } else if (model == "magic") {
564 cur_fdm_state = new FGMagicCarpet( dt );
565 } else if (model == "external") {
566 cur_fdm_state = new FGExternal( dt );
567 } else if (model == "network") {
568 cur_fdm_state = new FGExternalNet( dt, 5501, 5502, 5503, "localhost" );
569 } else if (model == "null") {
570 cur_fdm_state = new FGNullFDM( dt );
571 } else if (model == "yasim") {
572 cur_fdm_state = new YASim( dt );
574 SG_LOG(SG_GENERAL, SG_ALERT,
575 "Unrecognized flight model '" << model
576 << "', cannot init flight dynamics model.");
580 SG_LOG(SG_GENERAL, SG_ALERT, "FlightGear aborting\n\n");
586 // Initialize view parameters
588 globals->get_viewmgr()->update(0);
592 SGTime *fgInitTime() {
594 static const SGPropertyNode *longitude
595 = fgGetNode("/position/longitude-deg");
596 static const SGPropertyNode *latitude
597 = fgGetNode("/position/latitude-deg");
598 static const SGPropertyNode *cur_time_override
599 = fgGetNode("/sim/time/cur-time-override", true);
601 SGPath zone( globals->get_fg_root() );
602 zone.append( "Timezone" );
603 SGTime *t = new SGTime( longitude->getDoubleValue()
604 * SGD_DEGREES_TO_RADIANS,
605 latitude->getDoubleValue()
606 * SGD_DEGREES_TO_RADIANS,
608 cur_time_override->getLongValue() );
610 // Handle potential user specified time offsets
611 time_t cur_time = t->get_cur_time();
612 time_t currGMT = sgTimeGetGMT( gmtime(&cur_time) );
613 time_t systemLocalTime = sgTimeGetGMT( localtime(&cur_time) );
614 time_t aircraftLocalTime =
615 sgTimeGetGMT( fgLocaltime(&cur_time, t->get_zonename() ) );
617 // Okay, we now have six possible scenarios
618 int offset = fgGetInt("/sim/startup/time-offset");
619 const string &offset_type = fgGetString("/sim/startup/time-offset-type");
620 if (offset_type == "system-offset") {
621 globals->set_warp( offset );
622 } else if (offset_type == "gmt-offset") {
623 globals->set_warp( offset - (currGMT - systemLocalTime) );
624 } else if (offset_type == "latitude-offset") {
625 globals->set_warp( offset - (aircraftLocalTime - systemLocalTime) );
626 } else if (offset_type == "system") {
627 globals->set_warp( offset - cur_time );
628 } else if (offset_type == "gmt") {
629 globals->set_warp( offset - currGMT );
630 } else if (offset_type == "latitude") {
631 globals->set_warp( offset - (aircraftLocalTime - systemLocalTime) -
634 SG_LOG( SG_GENERAL, SG_ALERT,
635 "FG_TIME::Unsupported offset type " << offset_type );
639 SG_LOG( SG_GENERAL, SG_INFO, "After time init, warp = "
640 << globals->get_warp() );
642 globals->set_warp_delta( 0 );
645 cur_time_override->getLongValue(),
646 globals->get_warp() );
652 // This is the top level init routine which calls all the other
653 // initialization routines. If you are adding a subsystem to flight
654 // gear, its initialization call should located in this routine.
655 // Returns non-zero if a problem encountered.
656 bool fgInitSubsystems( void ) {
657 static const SGPropertyNode *longitude
658 = fgGetNode("/position/longitude-deg");
659 static const SGPropertyNode *latitude
660 = fgGetNode("/position/latitude-deg");
661 static const SGPropertyNode *altitude
662 = fgGetNode("/position/altitude-ft");
664 fgLIGHT *l = &cur_light_params;
666 SG_LOG( SG_GENERAL, SG_INFO, "Initialize Subsystems");
667 SG_LOG( SG_GENERAL, SG_INFO, "========== ==========");
670 ////////////////////////////////////////////////////////////////////
671 // Initialize the material property subsystem.
672 ////////////////////////////////////////////////////////////////////
674 SGPath mpath( globals->get_fg_root() );
675 mpath.append( "materials.xml" );
676 if ( ! material_lib.load( mpath.str() ) ) {
677 SG_LOG( SG_GENERAL, SG_ALERT, "Error loading material lib!" );
682 ////////////////////////////////////////////////////////////////////
683 // Initialize the scenery management subsystem.
684 ////////////////////////////////////////////////////////////////////
689 if ( global_tile_mgr.init() ) {
690 // Load the local scenery data
691 global_tile_mgr.update( longitude->getDoubleValue(),
692 latitude->getDoubleValue() );
694 SG_LOG( SG_GENERAL, SG_ALERT, "Error in Tile Manager initialization!" );
698 SG_LOG( SG_GENERAL, SG_DEBUG,
699 "Current terrain elevation after tile mgr init " <<
700 scenery.get_cur_elev() );
703 ////////////////////////////////////////////////////////////////////
704 // Initialize the flight model subsystem.
705 ////////////////////////////////////////////////////////////////////
709 // allocates structures so must happen before any of the flight
710 // model or control parameters are set
711 fgAircraftInit(); // In the future this might not be the case.
714 ////////////////////////////////////////////////////////////////////
715 // Initialize the event manager subsystem.
716 ////////////////////////////////////////////////////////////////////
718 global_events.Init();
720 // Output event stats every 60 seconds
721 global_events.Register( "fgEVENT_MGR::PrintStats()",
722 fgMethodCallback<fgEVENT_MGR>( &global_events,
723 &fgEVENT_MGR::PrintStats),
724 fgEVENT::FG_EVENT_READY, 60000 );
727 ////////////////////////////////////////////////////////////////////
728 // Initialize the view manager subsystem.
729 ////////////////////////////////////////////////////////////////////
734 ////////////////////////////////////////////////////////////////////
735 // Initialize the lighting subsystem.
736 ////////////////////////////////////////////////////////////////////
738 // fgUpdateSunPos() needs a few position and view parameters set
739 // so it can calculate local relative sun angle and a few other
740 // things for correctly orienting the sky.
743 global_events.Register( "fgUpdateSunPos()", fgUpdateSunPos,
744 fgEVENT::FG_EVENT_READY, 60000);
745 global_events.Register( "fgUpdateMoonPos()", fgUpdateMoonPos,
746 fgEVENT::FG_EVENT_READY, 60000);
748 // Initialize Lighting interpolation tables
751 // update the lighting parameters (based on sun angle)
752 global_events.Register( "fgLight::Update()",
753 fgMethodCallback<fgLIGHT>( &cur_light_params,
755 fgEVENT::FG_EVENT_READY, 30000 );
758 ////////////////////////////////////////////////////////////////////
759 // Initialize the logger.
760 ////////////////////////////////////////////////////////////////////
762 globals->set_logger(new FGLogger);
763 globals->get_logger()->init();
764 globals->get_logger()->bind();
766 ////////////////////////////////////////////////////////////////////
767 // Initialize the local time subsystem.
768 ////////////////////////////////////////////////////////////////////
770 // update the current timezone each 30 minutes
771 global_events.Register( "fgUpdateLocalTime()", fgUpdateLocalTime,
772 fgEVENT::FG_EVENT_READY, 1800000);
775 ////////////////////////////////////////////////////////////////////
776 // Initialize the weather subsystem.
777 ////////////////////////////////////////////////////////////////////
779 // Initialize the weather modeling subsystem
780 #ifndef FG_NEW_ENVIRONMENT
781 // Initialize the WeatherDatabase
782 SG_LOG(SG_GENERAL, SG_INFO, "Creating LocalWeatherDatabase");
784 sgSetVec3( position, current_aircraft.fdm_state->get_Latitude(),
785 current_aircraft.fdm_state->get_Longitude(),
786 current_aircraft.fdm_state->get_Altitude() * SG_FEET_TO_METER );
787 double init_vis = fgGetDouble("/environment/visibility-m");
789 FGLocalWeatherDatabase::DatabaseWorkingType working_type;
791 if (!strcmp(fgGetString("/environment/weather/working-type"), "internet"))
793 working_type = FGLocalWeatherDatabase::use_internet;
795 working_type = FGLocalWeatherDatabase::default_mode;
798 if ( init_vis > 0 ) {
799 FGLocalWeatherDatabase::theFGLocalWeatherDatabase =
800 new FGLocalWeatherDatabase( position,
801 globals->get_fg_root(),
805 FGLocalWeatherDatabase::theFGLocalWeatherDatabase =
806 new FGLocalWeatherDatabase( position,
807 globals->get_fg_root(),
811 // cout << theFGLocalWeatherDatabase << endl;
812 // cout << "visibility = "
813 // << theFGLocalWeatherDatabase->getWeatherVisibility() << endl;
815 WeatherDatabase = FGLocalWeatherDatabase::theFGLocalWeatherDatabase;
817 // register the periodic update of the weather
818 global_events.Register( "weather update", fgUpdateWeatherDatabase,
819 fgEVENT::FG_EVENT_READY, 30000);
821 globals->get_environment_mgr()->init();
822 globals->get_environment_mgr()->bind();
825 ////////////////////////////////////////////////////////////////////
826 // Initialize vor/ndb/ils/fix list management and query systems
827 ////////////////////////////////////////////////////////////////////
829 SG_LOG(SG_GENERAL, SG_INFO, "Loading Navaids");
831 SG_LOG(SG_GENERAL, SG_INFO, " VOR/NDB");
832 current_navlist = new FGNavList;
833 SGPath p_nav( globals->get_fg_root() );
834 p_nav.append( "Navaids/default.nav" );
835 current_navlist->init( p_nav );
837 SG_LOG(SG_GENERAL, SG_INFO, " ILS and Marker Beacons");
838 current_beacons = new FGMarkerBeacons;
839 current_beacons->init();
840 current_ilslist = new FGILSList;
841 SGPath p_ils( globals->get_fg_root() );
842 p_ils.append( "Navaids/default.ils" );
843 current_ilslist->init( p_ils );
845 SG_LOG(SG_GENERAL, SG_INFO, " Fixes");
846 current_fixlist = new FGFixList;
847 SGPath p_fix( globals->get_fg_root() );
848 p_fix.append( "Navaids/default.fix" );
849 current_fixlist->init( p_fix );
851 ////////////////////////////////////////////////////////////////////
852 // Initialize ATC list management and query systems
853 ////////////////////////////////////////////////////////////////////
855 SG_LOG(SG_GENERAL, SG_INFO, " ATIS");
856 current_atislist = new FGATISList;
857 SGPath p_atis( globals->get_fg_root() );
858 p_atis.append( "ATC/default.atis" );
859 current_atislist->init( p_atis );
861 SG_LOG(SG_GENERAL, SG_INFO, " Tower");
862 current_towerlist = new FGTowerList;
863 SGPath p_tower( globals->get_fg_root() );
864 p_tower.append( "ATC/default.tower" );
865 current_towerlist->init( p_tower );
867 SG_LOG(SG_GENERAL, SG_INFO, " Approach");
868 current_approachlist = new FGApproachList;
869 SGPath p_approach( globals->get_fg_root() );
870 p_approach.append( "ATC/default.approach" );
871 current_approachlist->init( p_approach );
873 ////////////////////////////////////////////////////////////////////
874 // Initialise ATC display system
875 ////////////////////////////////////////////////////////////////////
877 SG_LOG(SG_GENERAL, SG_INFO, " ATC Display");
878 globals->set_ATC_display(new FGATCDisplay);
879 globals->get_ATC_display()->init();
881 ////////////////////////////////////////////////////////////////////
882 // Initialise the ATC Manager
883 ////////////////////////////////////////////////////////////////////
885 SG_LOG(SG_GENERAL, SG_INFO, " ATC Manager");
886 globals->set_ATC_mgr(new FGATCMgr);
887 globals->get_ATC_mgr()->init();
889 ////////////////////////////////////////////////////////////////////
890 // Initialise the AI Manager
891 ////////////////////////////////////////////////////////////////////
893 SG_LOG(SG_GENERAL, SG_INFO, " AI Manager");
894 globals->set_AI_mgr(new FGAIMgr);
895 globals->get_AI_mgr()->init();
897 ////////////////////////////////////////////////////////////////////
898 // Initialize the built-in commands.
899 ////////////////////////////////////////////////////////////////////
903 #ifdef ENABLE_AUDIO_SUPPORT
904 ////////////////////////////////////////////////////////////////////
905 // Initialize the sound subsystem.
906 ////////////////////////////////////////////////////////////////////
908 globals->set_soundmgr(new FGSoundMgr);
909 globals->get_soundmgr()->init();
910 globals->get_soundmgr()->bind();
913 ////////////////////////////////////////////////////////////////////
914 // Initialize the sound-effects subsystem.
915 ////////////////////////////////////////////////////////////////////
916 globals->set_fx(new FGFX);
917 globals->get_fx()->init();
918 globals->get_fx()->bind();
922 ////////////////////////////////////////////////////////////////////
923 // Initialize the radio stack subsystem.
924 ////////////////////////////////////////////////////////////////////
926 // A textbook example of how FGSubsystem
928 current_radiostack = new FGRadioStack;
929 current_radiostack->init();
930 current_radiostack->bind();
933 ////////////////////////////////////////////////////////////////////
934 // Initialize the cockpit subsystem
935 ////////////////////////////////////////////////////////////////////
937 if( fgCockpitInit( ¤t_aircraft )) {
938 // Cockpit initialized ok.
940 SG_LOG( SG_GENERAL, SG_ALERT, "Error in Cockpit initialization!" );
945 ////////////////////////////////////////////////////////////////////
946 // Initialize the joystick subsystem.
947 ////////////////////////////////////////////////////////////////////
949 // if ( ! fgJoystickInit() ) {
950 // SG_LOG( SG_GENERAL, SG_ALERT, "Error in Joystick initialization!" );
954 ////////////////////////////////////////////////////////////////////
955 // Initialize the autopilot subsystem.
956 ////////////////////////////////////////////////////////////////////
958 globals->set_autopilot(new FGAutopilot);
959 globals->get_autopilot()->init();
960 globals->get_autopilot()->bind();
962 // FIXME: these should go in the
963 // GUI initialization code, not here.
969 ////////////////////////////////////////////////////////////////////
970 // Initialize I/O subsystem.
971 ////////////////////////////////////////////////////////////////////
973 #if ! defined( macintosh )
977 // Initialize the 2D panel.
978 string panel_path = fgGetString("/sim/panel/path",
979 "Panels/Default/default.xml");
980 current_panel = fgReadPanel(panel_path);
981 if (current_panel == 0) {
982 SG_LOG( SG_INPUT, SG_ALERT,
983 "Error reading new panel from " << panel_path );
985 SG_LOG( SG_INPUT, SG_INFO, "Loaded new panel from " << panel_path );
986 current_panel->init();
987 current_panel->bind();
991 ////////////////////////////////////////////////////////////////////
992 // Initialize the default (kludged) properties.
993 ////////////////////////////////////////////////////////////////////
998 ////////////////////////////////////////////////////////////////////
999 // Initialize the controls subsystem.
1000 ////////////////////////////////////////////////////////////////////
1002 globals->get_controls()->init();
1003 globals->get_controls()->bind();
1006 ////////////////////////////////////////////////////////////////////
1007 // Initialize the input subsystem.
1008 ////////////////////////////////////////////////////////////////////
1010 current_input.init();
1011 current_input.bind();
1014 ////////////////////////////////////////////////////////////////////////
1015 // End of subsystem initialization.
1016 ////////////////////////////////////////////////////////////////////
1018 SG_LOG( SG_GENERAL, SG_INFO, endl);
1020 // Save the initial state for future
1022 globals->saveInitialState();
1028 void fgReInitSubsystems( void )
1030 static const SGPropertyNode *longitude
1031 = fgGetNode("/position/longitude-deg");
1032 static const SGPropertyNode *latitude
1033 = fgGetNode("/position/latitude-deg");
1034 static const SGPropertyNode *altitude
1035 = fgGetNode("/position/altitude-ft");
1036 static const SGPropertyNode *master_freeze
1037 = fgGetNode("/sim/freeze/master");
1039 SG_LOG( SG_GENERAL, SG_INFO,
1040 "/position/altitude = " << altitude->getDoubleValue() );
1042 bool freeze = master_freeze->getBoolValue();
1044 fgSetBool("/sim/freeze/master", true);
1047 // Initialize the Scenery Management subsystem
1051 if( global_tile_mgr.init() ) {
1052 Load the local scenery data
1053 global_tile_mgr.update( longitude->getDoubleValue(),
1054 latitude->getDoubleValue() );
1056 SG_LOG( SG_GENERAL, SG_ALERT, "Error in Tile Manager initialization!" );
1063 // allocates structures so must happen before any of the flight
1064 // model or control parameters are set
1065 fgAircraftInit(); // In the future this might not be the case.
1069 globals->get_controls()->reset_all();
1070 globals->get_autopilot()->reset();
1074 cur_light_params.Update();
1075 fgUpdateLocalTime();
1078 fgSetBool("/sim/freeze/master", false);