1 // fg_init.cxx -- Flight Gear top level initialization routines
3 // Written by Curtis Olson, started August 1997.
5 // Copyright (C) 1997 Curtis L. Olson - curt@infoplane.com
7 // This program is free software; you can redistribute it and/or
8 // modify it under the terms of the GNU General Public License as
9 // published by the Free Software Foundation; either version 2 of the
10 // License, or (at your option) any later version.
12 // This program is distributed in the hope that it will be useful, but
13 // WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 // General Public License for more details.
17 // You should have received a copy of the GNU General Public License
18 // along with this program; if not, write to the Free Software
19 // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
29 // For BC 5.01 this must be included before OpenGL includes.
30 #ifdef SG_MATH_EXCEPTION_CLASH
36 #include <string.h> // strcmp()
39 #if defined( unix ) || defined( __CYGWIN__ )
40 # include <unistd.h> // for gethostname()
43 // work around a stdc++ lib bug in some versions of linux, but doesn't
44 // seem to hurt to have this here for all versions of Linux.
46 # define _G_NO_EXTERN_TEMPLATES
49 #include <simgear/compiler.h>
50 #include <simgear/misc/exception.hxx>
54 #include <simgear/constants.h>
55 #include <simgear/debug/logstream.hxx>
56 #include <simgear/math/point3d.hxx>
57 #include <simgear/math/polar3d.hxx>
58 #include <simgear/math/sg_geodesy.hxx>
59 #include <simgear/misc/sg_path.hxx>
60 #include <simgear/scene/material/matlib.hxx>
61 #ifdef FG_USE_CLOUDS_3D
62 # include <simgear/scene/sky/clouds3d/SkySceneLoader.hpp>
63 # include <simgear/scene/sky/clouds3d/SkyUtil.hpp>
64 # include <simgear/screen/texture.hxx>
66 #include <simgear/timing/sg_time.hxx>
67 #include <simgear/timing/lowleveltime.h>
69 #include <Aircraft/aircraft.hxx>
70 #include <FDM/UIUCModel/uiuc_aircraftdir.h>
71 #include <Airports/runways.hxx>
72 #include <Airports/simple.hxx>
73 #include <ATC/ATCdisplay.hxx>
74 #include <ATC/ATCmgr.hxx>
75 #include <ATC/AIMgr.hxx>
76 #include <Autopilot/auto_gui.hxx>
77 #include <Autopilot/newauto.hxx>
78 #include <Cockpit/cockpit.hxx>
79 #include <Cockpit/radiostack.hxx>
80 #include <Cockpit/panel.hxx>
81 #include <Cockpit/panel_io.hxx>
82 #include <FDM/ADA.hxx>
83 #include <FDM/Balloon.h>
84 #include <FDM/ExternalNet/ExternalNet.hxx>
85 #include <FDM/ExternalPipe/ExternalPipe.hxx>
86 #include <FDM/JSBSim/JSBSim.hxx>
87 #include <FDM/LaRCsim/LaRCsim.hxx>
88 #include <FDM/MagicCarpet.hxx>
89 #include <FDM/UFO.hxx>
90 #include <FDM/NullFDM.hxx>
91 #include <FDM/YASim/YASim.hxx>
92 #include <GUI/new_gui.hxx>
93 #include <Include/general.hxx>
94 #include <Input/input.hxx>
95 #include <Instrumentation/instrument_mgr.hxx>
96 #include <Model/acmodel.hxx>
97 #include <Navaids/fixlist.hxx>
98 #include <Navaids/ilslist.hxx>
99 #include <Navaids/mkrbeacons.hxx>
100 #include <Navaids/navlist.hxx>
101 #include <Replay/replay.hxx>
102 #include <Scenery/scenery.hxx>
103 #include <Scenery/tilemgr.hxx>
104 #if defined(HAVE_PLIB_PSL)
105 #include <Scripting/scriptmgr.hxx>
107 #include <Sound/fg_fx.hxx>
108 #include <Systems/system_mgr.hxx>
109 #include <Time/FGEventMgr.hxx>
110 #include <Time/light.hxx>
111 #include <Time/sunpos.hxx>
112 #include <Time/moonpos.hxx>
113 #include <Time/tmp.hxx>
116 #include <MultiPlayer/multiplaytxmgr.hxx>
117 #include <MultiPlayer/multiplayrxmgr.hxx>
121 # include <WeatherCM/FGLocalWeatherDatabase.h>
123 # include <Environment/environment_mgr.hxx>
126 #include "fg_init.hxx"
128 #include "fg_commands.hxx"
129 #include "fg_props.hxx"
130 #include "options.hxx"
131 #include "globals.hxx"
132 #include "logger.hxx"
133 #include "viewmgr.hxx"
135 #if defined(FX) && defined(XMESA)
136 #include <GL/xmesa.h>
139 SG_USING_STD(string);
144 extern const char *default_root;
146 #ifdef FG_USE_CLOUDS_3D
147 SkySceneLoader *sgCloud3d;
151 // Scan the command line options for the specified option and return
153 static string fgScanForOption( const string& option, int argc, char **argv ) {
156 SG_LOG(SG_GENERAL, SG_INFO, "Scanning command line for: " << option );
158 int len = option.length();
161 SG_LOG( SG_GENERAL, SG_DEBUG, "argv[" << i << "] = " << argv[i] );
163 string arg = argv[i];
164 if ( arg.find( option ) == 0 ) {
165 return arg.substr( len );
175 // Scan the user config files for the specified option and return
177 static string fgScanForOption( const string& option, const string& path ) {
178 sg_gzifstream in( path );
179 if ( !in.is_open() ) {
183 SG_LOG( SG_GENERAL, SG_INFO, "Scanning " << path << " for: " << option );
185 int len = option.length();
189 while ( ! in.eof() ) {
192 while ( in.get(c) && c != '\0' ) {
197 #if defined( macintosh )
198 getline( in, line, '\r' );
200 getline( in, line, '\n' );
203 // catch extraneous (DOS) line ending character
204 if ( line[line.length() - 1] < 32 ) {
205 line = line.substr( 0, line.length()-1 );
208 if ( line.find( option ) == 0 ) {
209 return line.substr( len );
219 // Read in configuration (files and command line options) but only set
221 bool fgInitFGRoot ( int argc, char **argv ) {
225 // First parse command line options looking for --fg-root=, this
226 // will override anything specified in a config file
227 root = fgScanForOption( "--fg-root=", argc, argv);
229 #if defined( unix ) || defined( __CYGWIN__ )
230 // Next check home directory for .fgfsrc.hostname file
231 if ( root.empty() ) {
232 envp = ::getenv( "HOME" );
233 if ( envp != NULL ) {
234 SGPath config( envp );
235 config.append( ".fgfsrc" );
237 gethostname( name, 256 );
238 config.concat( "." );
239 config.concat( name );
240 root = fgScanForOption( "--fg-root=", config.str() );
245 // Next check home directory for .fgfsrc file
246 if ( root.empty() ) {
247 envp = ::getenv( "HOME" );
248 if ( envp != NULL ) {
249 SGPath config( envp );
250 config.append( ".fgfsrc" );
251 root = fgScanForOption( "--fg-root=", config.str() );
255 // Next check if fg-root is set as an env variable
256 if ( root.empty() ) {
257 envp = ::getenv( "FG_ROOT" );
258 if ( envp != NULL ) {
263 // Otherwise, default to a random compiled-in location if we can't
264 // find fg-root any other way.
265 if ( root.empty() ) {
266 #if defined( __CYGWIN__ )
267 root = "/FlightGear";
268 #elif defined( WIN32 )
269 root = "\\FlightGear";
270 #elif defined( macintosh )
277 SG_LOG(SG_INPUT, SG_INFO, "fg_root = " << root );
278 globals->set_fg_root(root);
284 // Read in configuration (files and command line options) but only set
286 bool fgInitFGAircraft ( int argc, char **argv ) {
290 // First parse command line options looking for --aircraft=, this
291 // will override anything specified in a config file
292 aircraft = fgScanForOption( "--aircraft=", argc, argv );
294 #if defined( unix ) || defined( __CYGWIN__ )
295 // Next check home directory for .fgfsrc.hostname file
296 if ( aircraft.empty() ) {
297 envp = ::getenv( "HOME" );
298 if ( envp != NULL ) {
299 SGPath config( envp );
300 config.append( ".fgfsrc" );
302 gethostname( name, 256 );
303 config.concat( "." );
304 config.concat( name );
305 aircraft = fgScanForOption( "--aircraft=", config.str() );
310 // Next check home directory for .fgfsrc file
311 if ( aircraft.empty() ) {
312 envp = ::getenv( "HOME" );
313 if ( envp != NULL ) {
314 SGPath config( envp );
315 config.append( ".fgfsrc" );
316 aircraft = fgScanForOption( "--aircraft=", config.str() );
320 // if an aircraft was specified, set the property name
321 if ( !aircraft.empty() ) {
322 SG_LOG(SG_INPUT, SG_INFO, "aircraft = " << aircraft );
323 fgSetString("/sim/aircraft", aircraft.c_str() );
325 SG_LOG(SG_INPUT, SG_INFO, "No user specified aircraft, using default" );
332 // Return the current base package version
333 string fgBasePackageVersion() {
334 SGPath base_path( globals->get_fg_root() );
335 base_path.append("version");
337 sg_gzifstream in( base_path.str() );
338 if ( !in.is_open() ) {
339 SGPath old_path( globals->get_fg_root() );
340 old_path.append( "Thanks" );
341 sg_gzifstream old( old_path.str() );
342 if ( !old.is_open() ) {
345 return "[old version]";
356 // Initialize the localization
357 SGPropertyNode *fgInitLocale(const char *language) {
358 SGPropertyNode *c_node = NULL, *d_node = NULL;
359 SGPropertyNode *intl = fgGetNode("/sim/intl");
361 SG_LOG(SG_GENERAL, SG_INFO, "Selecting language: " << language );
363 // localization not defined
368 // Select the proper language from the list
370 vector<SGPropertyNode_ptr> locale = intl->getChildren("locale");
371 for (unsigned int i = 0; i < locale.size(); i++) {
373 vector<SGPropertyNode_ptr> lang = locale[i]->getChildren("lang");
374 for (unsigned int j = 0; j < lang.size(); j++) {
376 if (!strcmp(lang[j]->getStringValue(), language)) {
385 d_node = intl->getChild("locale");
389 // Check for localized font
390 SGPropertyNode *font_n = c_node->getNode("font", true);
391 if ( !strcmp(font_n->getStringValue(), "") )
392 font_n->setStringValue(d_node->getStringValue("font", "typewriter.txf"));
396 // Load the default strings
398 SGPath d_path( globals->get_fg_root() );
400 const char *d_path_str = d_node->getStringValue("strings");
402 SG_LOG(SG_GENERAL, SG_ALERT, "Incorrect path in configuration file.");
406 d_path.append(d_path_str);
407 SG_LOG(SG_GENERAL, SG_INFO, "Reading localized strings from "
410 SGPropertyNode *strings = c_node->getNode("strings");
412 readProperties(d_path.str(), strings);
413 } catch (const sg_exception &e) {
414 SG_LOG(SG_GENERAL, SG_ALERT, "Unable to read the localized strings");
419 // Load the language specific strings
421 if (c_node != d_node) {
422 SGPath c_path( globals->get_fg_root() );
424 const char *c_path_str = c_node->getStringValue("strings");
426 SG_LOG(SG_GENERAL, SG_ALERT, "Incorrect path in configuration file.");
430 c_path.append(c_path_str);
431 SG_LOG(SG_GENERAL, SG_INFO, "Reading localized strings from "
435 readProperties(c_path.str(), strings);
436 } catch (const sg_exception &e) {
437 SG_LOG(SG_GENERAL, SG_ALERT, "Unable to read the localized strings");
447 // Initialize the localization routines
448 bool fgDetectLanguage() {
449 char *language = ::getenv("LANG");
451 if (language == NULL) {
452 SG_LOG(SG_GENERAL, SG_INFO, "Unable to detect the language" );
456 SGPropertyNode *locale = fgInitLocale(language);
458 SG_LOG(SG_GENERAL, SG_ALERT,
459 "No internationalization settings specified in preferences.xml" );
464 globals->set_locale( locale );
469 // Attempt to locate and parse the various non-XML config files in order
470 // from least precidence to greatest precidence
472 do_options (int argc, char ** argv)
474 // Check for $fg_root/system.fgfsrc
475 SGPath config( globals->get_fg_root() );
476 config.append( "system.fgfsrc" );
477 fgParseOptions(config.str());
479 #if defined( unix ) || defined( __CYGWIN__ )
481 // Check for $fg_root/system.fgfsrc.hostname
482 gethostname( name, 256 );
483 config.concat( "." );
484 config.concat( name );
485 fgParseOptions(config.str());
488 // Check for ~/.fgfsrc
489 char* envp = ::getenv( "HOME" );
490 if ( envp != NULL ) {
492 config.append( ".fgfsrc" );
493 fgParseOptions(config.str());
496 #if defined( unix ) || defined( __CYGWIN__ )
497 // Check for ~/.fgfsrc.hostname
498 gethostname( name, 256 );
499 config.concat( "." );
500 config.concat( name );
501 fgParseOptions(config.str());
504 // Parse remaining command line options
505 // These will override anything specified in a config file
506 fgParseArgs(argc, argv);
510 // Read in configuration (file and command line)
511 bool fgInitConfig ( int argc, char **argv ) {
513 // First, set some sane default values
516 // Read global preferences from $FG_ROOT/preferences.xml
517 SG_LOG(SG_INPUT, SG_INFO, "Reading global preferences");
518 fgLoadProps("preferences.xml", globals->get_props());
519 SG_LOG(SG_INPUT, SG_INFO, "Finished Reading global preferences");
521 // Detect the required language as early as possible
522 if ( !fgDetectLanguage() ) {
526 // Scan user config files and command line for a specified aircraft.
527 fgInitFGAircraft(argc, argv);
529 string aircraft = fgGetString("/sim/aircraft", "");
530 if ( aircraft.size() > 0 ) {
531 SGPath aircraft_path(globals->get_fg_root());
532 aircraft_path.append("Aircraft");
533 aircraft_path.append(aircraft);
534 aircraft_path.concat("-set.xml");
535 SG_LOG(SG_INPUT, SG_INFO, "Reading default aircraft: " << aircraft
536 << " from " << aircraft_path.str());
538 readProperties(aircraft_path.str(), globals->get_props());
539 } catch (const sg_exception &e) {
540 string message = "Error reading default aircraft: ";
541 message += e.getFormattedMessage();
542 SG_LOG(SG_INPUT, SG_ALERT, message);
546 SG_LOG(SG_INPUT, SG_ALERT, "No default aircraft specified");
549 // parse options after loading aircraft to ensure any user
550 // overrides of defaults are honored.
551 do_options(argc, argv);
557 // find basic airport location info from airport database
558 bool fgFindAirportID( const string& id, FGAirport *a ) {
561 SG_LOG( SG_GENERAL, SG_INFO, "Searching for airport code = " << id );
563 result = globals->get_airports()->search( id );
565 if ( result.id.empty() ) {
566 SG_LOG( SG_GENERAL, SG_ALERT,
567 "Failed to find " << id << " in basic.dat.gz" );
576 SG_LOG( SG_GENERAL, SG_INFO,
577 "Position for " << id << " is ("
578 << a->longitude << ", "
579 << a->latitude << ")" );
585 // get airport elevation
586 static double fgGetAirportElev( const string& id ) {
590 SG_LOG( SG_GENERAL, SG_INFO,
591 "Finding elevation for airport: " << id );
593 if ( fgFindAirportID( id, &a ) ) {
601 // Preset lon/lat given an airport id
602 static bool fgSetPosFromAirportID( const string& id ) {
606 SG_LOG( SG_GENERAL, SG_INFO,
607 "Attempting to set starting position from airport code " << id );
609 if ( fgFindAirportID( id, &a ) ) {
611 fgSetDouble("/sim/presets/longitude-deg", a.longitude );
612 fgSetDouble("/sim/presets/latitude-deg", a.latitude );
614 // other code depends on the actual postition being set so set
616 fgSetDouble("/position/longitude-deg", a.longitude );
617 fgSetDouble("/position/latitude-deg", a.latitude );
619 SG_LOG( SG_GENERAL, SG_INFO,
620 "Position for " << id << " is (" << a.longitude
621 << ", " << a.latitude << ")" );
630 // Set current tower position lon/lat given an airport id
631 static bool fgSetTowerPosFromAirportID( const string& id, double hdg ) {
633 // tower height hard coded for now...
634 float towerheight=50.0f;
636 // make a little off the heading for 1 runway airports...
637 float fudge_lon = fabs(sin(hdg)) * .003f;
638 float fudge_lat = .003f - fudge_lon;
640 if ( fgFindAirportID( id, &a ) ) {
641 fgSetDouble("/sim/tower/longitude-deg", a.longitude + fudge_lon);
642 fgSetDouble("/sim/tower/latitude-deg", a.latitude + fudge_lat);
643 fgSetDouble("/sim/tower/altitude-ft", a.elevation + towerheight);
652 // Set current_options lon/lat given an airport id and heading (degrees)
653 static bool fgSetPosFromAirportIDandHdg( const string& id, double tgt_hdg ) {
657 // set initial position from runway and heading
659 SG_LOG( SG_GENERAL, SG_INFO,
660 "Attempting to set starting position from airport code "
661 << id << " heading " << tgt_hdg );
663 if ( ! globals->get_runways()->search( id, (int)tgt_hdg, &r ) ) {
664 SG_LOG( SG_GENERAL, SG_ALERT,
665 "Failed to find a good runway for " << id << '\n' );
672 double lat2, lon2, az2;
673 double heading = r.heading;
674 double azimuth = heading + 180.0;
675 while ( azimuth >= 360.0 ) { azimuth -= 360.0; }
677 SG_LOG( SG_GENERAL, SG_INFO,
678 "runway = " << r.lon << ", " << r.lat
679 << " length = " << r.length * SG_FEET_TO_METER
680 << " heading = " << azimuth );
682 geo_direct_wgs_84 ( 0, r.lat, r.lon, azimuth,
683 r.length * SG_FEET_TO_METER * 0.5 - 5.0,
684 &lat2, &lon2, &az2 );
686 if ( fabs( fgGetDouble("/sim/presets/offset-distance") ) > SG_EPSILON ) {
688 double odist = fgGetDouble("/sim/presets/offset-distance");
689 odist *= SG_NM_TO_METER;
690 double oaz = azimuth;
691 if ( fabs(fgGetDouble("/sim/presets/offset-azimuth")) > SG_EPSILON ) {
692 oaz = fgGetDouble("/sim/presets/offset-azimuth") + 180;
695 while ( oaz >= 360.0 ) { oaz -= 360.0; }
696 geo_direct_wgs_84 ( 0, lat2, lon2, oaz, odist, &olat, &olon, &az2 );
702 fgSetDouble("/sim/presets/longitude-deg", lon2 );
703 fgSetDouble("/sim/presets/latitude-deg", lat2 );
704 fgSetDouble("/sim/presets/heading-deg", heading );
706 // other code depends on the actual values being set ...
707 fgSetDouble("/position/longitude-deg", lon2 );
708 fgSetDouble("/position/latitude-deg", lat2 );
709 fgSetDouble("/orientation/heading-deg", heading );
711 SG_LOG( SG_GENERAL, SG_INFO,
712 "Position for " << id << " is ("
714 << lat2 << ") new heading is "
721 // Set current_options lon/lat given an airport id and runway number
722 static bool fgSetPosFromAirportIDandRwy( const string& id, const string& rwy ) {
726 // set initial position from airport and runway number
728 SG_LOG( SG_GENERAL, SG_INFO,
729 "Attempting to set starting position for "
730 << id << ":" << rwy );
732 if ( ! globals->get_runways()->search( id, rwy, &r ) ) {
733 SG_LOG( SG_GENERAL, SG_ALERT,
734 "Failed to find runway " << rwy <<
735 " at airport " << id );
742 double lat2, lon2, az2;
743 double heading = r.heading;
744 double azimuth = heading + 180.0;
745 while ( azimuth >= 360.0 ) { azimuth -= 360.0; }
747 SG_LOG( SG_GENERAL, SG_INFO,
748 "runway = " << r.lon << ", " << r.lat
749 << " length = " << r.length * SG_FEET_TO_METER
750 << " heading = " << azimuth );
752 geo_direct_wgs_84 ( 0, r.lat, r.lon,
754 r.length * SG_FEET_TO_METER * 0.5 - 5.0,
755 &lat2, &lon2, &az2 );
757 if ( fabs( fgGetDouble("/sim/presets/offset-distance") ) > SG_EPSILON )
760 double odist = fgGetDouble("/sim/presets/offset-distance");
761 odist *= SG_NM_TO_METER;
762 double oaz = azimuth;
763 if ( fabs(fgGetDouble("/sim/presets/offset-azimuth")) > SG_EPSILON )
765 oaz = fgGetDouble("/sim/presets/offset-azimuth") + 180;
766 heading = fgGetDouble("/sim/presets/heading-deg");
768 while ( oaz >= 360.0 ) { oaz -= 360.0; }
769 geo_direct_wgs_84 ( 0, lat2, lon2, oaz, odist, &olat, &olon, &az2 );
775 fgSetDouble("/sim/presets/longitude-deg", lon2 );
776 fgSetDouble("/sim/presets/latitude-deg", lat2 );
777 fgSetDouble("/sim/presets/heading-deg", heading );
779 // other code depends on the actual values being set ...
780 fgSetDouble("/position/longitude-deg", lon2 );
781 fgSetDouble("/position/latitude-deg", lat2 );
782 fgSetDouble("/orientation/heading-deg", heading );
784 SG_LOG( SG_GENERAL, SG_INFO,
785 "Position for " << id << " is ("
787 << lat2 << ") new heading is "
794 static void fgSetDistOrAltFromGlideSlope() {
795 string apt_id = fgGetString("/sim/presets/airport-id");
796 double gs = fgGetDouble("/sim/presets/glideslope-deg")
797 * SG_DEGREES_TO_RADIANS ;
798 double od = fgGetDouble("/sim/presets/offset-distance");
799 double alt = fgGetDouble("/sim/presets/altitude-ft");
801 double apt_elev = 0.0;
802 if ( ! apt_id.empty() ) {
803 apt_elev = fgGetAirportElev( apt_id );
804 if ( apt_elev < -9990.0 ) {
811 if( fabs(gs) > 0.01 && fabs(od) > 0.1 && alt < -9990 ) {
812 // set altitude from glideslope and offset-distance
813 od *= SG_NM_TO_METER * SG_METER_TO_FEET;
814 alt = fabs(od*tan(gs)) + apt_elev;
815 fgSetDouble("/sim/presets/altitude-ft", alt);
816 fgSetBool("/sim/presets/onground", false);
817 SG_LOG( SG_GENERAL, SG_INFO, "Calculated altitude as: "
819 } else if( fabs(gs) > 0.01 && alt > 0 && fabs(od) < 0.1) {
820 // set offset-distance from glideslope and altitude
821 od = (alt - apt_elev) / tan(gs);
822 od *= -1*SG_FEET_TO_METER * SG_METER_TO_NM;
823 fgSetDouble("/sim/presets/offset-distance", od);
824 fgSetBool("/sim/presets/onground", false);
825 SG_LOG( SG_GENERAL, SG_INFO, "Calculated offset distance as: "
827 } else if( fabs(gs) > 0.01 ) {
828 SG_LOG( SG_GENERAL, SG_ALERT,
829 "Glideslope given but not altitude or offset-distance." );
830 SG_LOG( SG_GENERAL, SG_ALERT, "Resetting glideslope to zero" );
831 fgSetDouble("/sim/presets/glideslope-deg", 0);
832 fgSetBool("/sim/presets/onground", true);
837 // Set current_options lon/lat given an airport id and heading (degrees)
838 static bool fgSetPosFromNAV( const string& id, const double& freq ) {
839 FGNav *nav = current_navlist->findByIdentAndFreq( id.c_str(), freq );
841 // set initial position from runway and heading
843 SG_LOG( SG_GENERAL, SG_INFO, "Attempting to set starting position for "
844 << id << ":" << freq );
846 double lon = nav->get_lon();
847 double lat = nav->get_lat();
849 if ( fabs( fgGetDouble("/sim/presets/offset-distance") ) > SG_EPSILON )
851 double odist = fgGetDouble("/sim/presets/offset-distance")
853 double oaz = fabs(fgGetDouble("/sim/presets/offset-azimuth"))
855 while ( oaz >= 360.0 ) { oaz -= 360.0; }
856 double olat, olon, az2;
857 geo_direct_wgs_84 ( 0, lat, lon, oaz, odist, &olat, &olon, &az2 );
864 fgSetDouble("/sim/presets/longitude-deg", lon );
865 fgSetDouble("/sim/presets/latitude-deg", lat );
867 // other code depends on the actual values being set ...
868 fgSetDouble("/position/longitude-deg", lon );
869 fgSetDouble("/position/latitude-deg", lat );
870 fgSetDouble("/orientation/heading-deg",
871 fgGetDouble("/sim/presets/heading-deg") );
873 SG_LOG( SG_GENERAL, SG_INFO,
874 "Position for " << id << ":" << freq << " is ("
875 << lon << ", "<< lat << ")" );
879 SG_LOG( SG_GENERAL, SG_ALERT, "Failed to locate NAV = "
880 << id << ":" << freq );
886 // Set current_options lon/lat given an airport id and heading (degrees)
887 static bool fgSetPosFromFix( const string& id ) {
890 // set initial position from runway and heading
891 if ( current_fixlist->query( id.c_str(), &fix ) ) {
892 SG_LOG( SG_GENERAL, SG_INFO, "Attempting to set starting position for "
895 double lon = fix.get_lon();
896 double lat = fix.get_lat();
898 if ( fabs( fgGetDouble("/sim/presets/offset-distance") ) > SG_EPSILON )
900 double odist = fgGetDouble("/sim/presets/offset-distance")
902 double oaz = fabs(fgGetDouble("/sim/presets/offset-azimuth"))
904 while ( oaz >= 360.0 ) { oaz -= 360.0; }
905 double olat, olon, az2;
906 geo_direct_wgs_84 ( 0, lat, lon, oaz, odist, &olat, &olon, &az2 );
913 fgSetDouble("/sim/presets/longitude-deg", lon );
914 fgSetDouble("/sim/presets/latitude-deg", lat );
916 // other code depends on the actual values being set ...
917 fgSetDouble("/position/longitude-deg", lon );
918 fgSetDouble("/position/latitude-deg", lat );
919 fgSetDouble("/orientation/heading-deg",
920 fgGetDouble("/sim/presets/heading-deg") );
922 SG_LOG( SG_GENERAL, SG_INFO,
923 "Position for " << id << " is ("
924 << lon << ", "<< lat << ")" );
928 SG_LOG( SG_GENERAL, SG_ALERT, "Failed to locate NAV = "
936 * Initialize vor/ndb/ils/fix list management and query systems (as
937 * well as simple airport db list)
942 SG_LOG(SG_GENERAL, SG_INFO, "Loading Simple Airport List");
943 SGPath p_simple( globals->get_fg_root() );
944 p_simple.append( "Airports/basic.dat" );
945 FGAirportList *airports = new FGAirportList( p_simple.str() );
946 globals->set_airports( airports );
948 SG_LOG(SG_GENERAL, SG_INFO, "Loading Runway List");
949 SGPath p_runway( globals->get_fg_root() );
950 p_runway.append( "Airports/runways.dat" );
951 FGRunwayList *runways = new FGRunwayList( p_runway.str() );
952 globals->set_runways( runways );
954 SG_LOG(SG_GENERAL, SG_INFO, "Loading Navaids");
956 SG_LOG(SG_GENERAL, SG_INFO, " VOR/NDB");
957 current_navlist = new FGNavList;
958 SGPath p_nav( globals->get_fg_root() );
959 p_nav.append( "Navaids/default.nav" );
960 current_navlist->init( p_nav );
962 SG_LOG(SG_GENERAL, SG_INFO, " ILS and Marker Beacons");
963 current_beacons = new FGMarkerBeacons;
964 current_beacons->init();
965 current_ilslist = new FGILSList;
966 SGPath p_ils( globals->get_fg_root() );
967 p_ils.append( "Navaids/default.ils" );
968 current_ilslist->init( p_ils );
970 SG_LOG(SG_GENERAL, SG_INFO, " Fixes");
971 current_fixlist = new FGFixList;
972 SGPath p_fix( globals->get_fg_root() );
973 p_fix.append( "Navaids/default.fix" );
974 current_fixlist->init( p_fix );
980 // Set the initial position based on presets (or defaults)
981 bool fgInitPosition() {
982 bool set_pos = false;
984 // If glideslope is specified, then calculate offset-distance or
985 // altitude relative to glide slope if either of those was not
987 if ( fgGetDouble("/sim/presets/glideslope-deg") > 0.1 ) {
988 fgSetDistOrAltFromGlideSlope();
991 // Select ground or air start depending on if an altitude is
992 // specified (this choice can be refined later based on other
994 if ( fgGetDouble("/sim/presets/altitude-ft") > -9990.0 ) {
995 fgSetBool("/sim/presets/onground", false);
997 fgSetBool("/sim/presets/onground", true);
1000 // If we have an explicit, in-range lon/lat, don't change it, just use it.
1001 // If not, check for an airport-id and use that.
1002 // If not, default to the middle of the KSFO field.
1003 // The default values for lon/lat are deliberately out of range
1004 // so that the airport-id can take effect; valid lon/lat will
1005 // override airport-id, however.
1006 double lon_deg = fgGetDouble("/sim/presets/longitude-deg");
1007 double lat_deg = fgGetDouble("/sim/presets/latitude-deg");
1008 if ( lon_deg >= -180.0 && lon_deg <= 180.0
1009 && lat_deg >= -90.0 && lat_deg <= 90.0 )
1014 string apt = fgGetString("/sim/presets/airport-id");
1015 string rwy_no = fgGetString("/sim/presets/runway");
1016 double hdg = fgGetDouble("/sim/presets/heading-deg");
1017 string vor = fgGetString("/sim/presets/vor-id");
1018 double vor_freq = fgGetDouble("/sim/presets/vor-freq");
1019 string ndb = fgGetString("/sim/presets/ndb-id");
1020 double ndb_freq = fgGetDouble("/sim/presets/ndb-freq");
1021 string fix = fgGetString("/sim/presets/fix");
1023 if ( !set_pos && !apt.empty() && !rwy_no.empty() ) {
1024 // An airport + runway is requested
1025 if ( fgSetPosFromAirportIDandRwy( apt, rwy_no ) ) {
1026 // set tower position (a little off the heading for single
1028 fgSetTowerPosFromAirportID( apt, hdg );
1033 if ( !set_pos && !apt.empty() ) {
1034 // An airport is requested (find runway closest to hdg)
1035 if ( fgSetPosFromAirportIDandHdg( apt, hdg ) ) {
1036 // set tower position (a little off the heading for single
1038 fgSetTowerPosFromAirportID( apt, hdg );
1043 if ( !set_pos && !vor.empty() ) {
1044 // a VOR is requested
1045 if ( fgSetPosFromNAV( vor, vor_freq ) ) {
1050 if ( !set_pos && !ndb.empty() ) {
1051 // an NDB is requested
1052 if ( fgSetPosFromNAV( ndb, ndb_freq ) ) {
1057 if ( !set_pos && !fix.empty() ) {
1058 // a Fix is requested
1059 if ( fgSetPosFromFix( fix ) ) {
1065 // No lon/lat specified, no airport specified, default to
1066 // middle of KSFO field.
1067 fgSetDouble("/sim/presets/longitude-deg", -122.374843);
1068 fgSetDouble("/sim/presets/latitude-deg", 37.619002);
1071 fgSetDouble( "/position/longitude-deg",
1072 fgGetDouble("/sim/presets/longitude-deg") );
1073 fgSetDouble( "/position/latitude-deg",
1074 fgGetDouble("/sim/presets/latitude-deg") );
1075 fgSetDouble( "/orientation/heading-deg",
1076 fgGetDouble("/sim/presets/heading-deg") );
1082 // General house keeping initializations
1083 bool fgInitGeneral() {
1086 #if defined(FX) && defined(XMESA)
1087 char *mesa_win_state;
1090 SG_LOG( SG_GENERAL, SG_INFO, "General Initialization" );
1091 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
1093 root = globals->get_fg_root();
1094 if ( ! root.length() ) {
1095 // No root path set? Then bail ...
1096 SG_LOG( SG_GENERAL, SG_ALERT,
1097 "Cannot continue without a path to the base package "
1098 << "being defined." );
1101 SG_LOG( SG_GENERAL, SG_INFO, "FG_ROOT = " << '"' << root << '"' << endl );
1103 #if defined(FX) && defined(XMESA)
1104 // initialize full screen flag
1105 globals->set_fullscreen(false);
1106 if ( strstr ( general.get_glRenderer(), "Glide" ) ) {
1107 // Test for the MESA_GLX_FX env variable
1108 if ( (mesa_win_state = getenv( "MESA_GLX_FX" )) != NULL) {
1109 // test if we are fullscreen mesa/glide
1110 if ( (mesa_win_state[0] == 'f') ||
1111 (mesa_win_state[0] == 'F') ) {
1112 globals->set_fullscreen(true);
1122 // Initialize the flight model subsystem. This just creates the
1123 // object. The actual fdm initialization is delayed until we get a
1124 // proper scenery elevation hit. This is checked for in main.cxx
1128 if ( cur_fdm_state ) {
1129 delete cur_fdm_state;
1133 double dt = 1.0 / fgGetInt("/sim/model-hz");
1134 aircraft_dir = fgGetString("/sim/aircraft-dir");
1135 const string &model = fgGetString("/sim/flight-model");
1138 if ( model == "larcsim" ) {
1139 cur_fdm_state = new FGLaRCsim( dt );
1140 } else if ( model == "jsb" ) {
1141 cur_fdm_state = new FGJSBsim( dt );
1142 } else if ( model == "ada" ) {
1143 cur_fdm_state = new FGADA( dt );
1144 } else if ( model == "balloon" ) {
1145 cur_fdm_state = new FGBalloonSim( dt );
1146 } else if ( model == "magic" ) {
1147 cur_fdm_state = new FGMagicCarpet( dt );
1148 } else if ( model == "ufo" ) {
1149 cur_fdm_state = new FGUFO( dt );
1150 } else if ( model == "external" ) {
1151 // external is a synonym for "--fdm=null" and is
1152 // maintained here for backwards compatibility
1153 cur_fdm_state = new FGNullFDM( dt );
1154 } else if ( model.find("network") == 0 ) {
1155 string host = "localhost";
1159 string net_options = model.substr(8);
1160 string::size_type begin, end;
1163 end = net_options.find( ",", begin );
1164 if ( end != string::npos ) {
1165 host = net_options.substr(begin, end - begin);
1169 end = net_options.find( ",", begin );
1170 if ( end != string::npos ) {
1171 port1 = atoi( net_options.substr(begin, end - begin).c_str() );
1175 end = net_options.find( ",", begin );
1176 if ( end != string::npos ) {
1177 port2 = atoi( net_options.substr(begin, end - begin).c_str() );
1181 end = net_options.find( ",", begin );
1182 if ( end != string::npos ) {
1183 port3 = atoi( net_options.substr(begin, end - begin).c_str() );
1186 cur_fdm_state = new FGExternalNet( dt, host, port1, port2, port3 );
1187 } else if ( model.find("pipe") == 0 ) {
1188 string pipe_path = model.substr(5);
1189 cur_fdm_state = new FGExternalPipe( dt, pipe_path );
1190 } else if ( model == "null" ) {
1191 cur_fdm_state = new FGNullFDM( dt );
1192 } else if ( model == "yasim" ) {
1193 cur_fdm_state = new YASim( dt );
1195 SG_LOG(SG_GENERAL, SG_ALERT,
1196 "Unrecognized flight model '" << model
1197 << "', cannot init flight dynamics model.");
1201 SG_LOG(SG_GENERAL, SG_ALERT, "FlightGear aborting\n\n");
1206 static void printMat(const sgVec4 *mat, char *name="")
1209 SG_LOG(SG_GENERAL, SG_BULK, name );
1210 for(i=0; i<4; i++) {
1211 SG_LOG(SG_GENERAL, SG_BULK, " " << mat[i][0] << " " << mat[i][1]
1212 << " " << mat[i][2] << " " << mat[i][3] );
1216 // Initialize view parameters
1218 // force update of model so that viewer can get some data...
1219 globals->get_aircraft_model()->update(0);
1220 // run update for current view so that data is current...
1221 globals->get_viewmgr()->update(0);
1223 printMat(globals->get_current_view()->get_VIEW(),"VIEW");
1224 printMat(globals->get_current_view()->get_UP(),"UP");
1225 // printMat(globals->get_current_view()->get_LOCAL(),"LOCAL");
1230 SGTime *fgInitTime() {
1232 static const SGPropertyNode *longitude
1233 = fgGetNode("/position/longitude-deg");
1234 static const SGPropertyNode *latitude
1235 = fgGetNode("/position/latitude-deg");
1236 static const SGPropertyNode *cur_time_override
1237 = fgGetNode("/sim/time/cur-time-override", true);
1239 SGPath zone( globals->get_fg_root() );
1240 zone.append( "Timezone" );
1241 SGTime *t = new SGTime( longitude->getDoubleValue()
1242 * SGD_DEGREES_TO_RADIANS,
1243 latitude->getDoubleValue()
1244 * SGD_DEGREES_TO_RADIANS,
1246 cur_time_override->getLongValue() );
1248 // Handle potential user specified time offsets
1249 time_t cur_time = t->get_cur_time();
1250 time_t currGMT = sgTimeGetGMT( gmtime(&cur_time) );
1251 time_t systemLocalTime = sgTimeGetGMT( localtime(&cur_time) );
1252 time_t aircraftLocalTime =
1253 sgTimeGetGMT( fgLocaltime(&cur_time, t->get_zonename() ) );
1255 // Okay, we now have six possible scenarios
1256 int offset = fgGetInt("/sim/startup/time-offset");
1257 const string &offset_type = fgGetString("/sim/startup/time-offset-type");
1258 if (offset_type == "system-offset") {
1259 globals->set_warp( offset );
1260 } else if (offset_type == "gmt-offset") {
1261 globals->set_warp( offset - (currGMT - systemLocalTime) );
1262 } else if (offset_type == "latitude-offset") {
1263 globals->set_warp( offset - (aircraftLocalTime - systemLocalTime) );
1264 } else if (offset_type == "system") {
1265 globals->set_warp( offset - cur_time );
1266 } else if (offset_type == "gmt") {
1267 globals->set_warp( offset - currGMT );
1268 } else if (offset_type == "latitude") {
1269 globals->set_warp( offset - (aircraftLocalTime - systemLocalTime) -
1272 SG_LOG( SG_GENERAL, SG_ALERT,
1273 "FG_TIME::Unsupported offset type " << offset_type );
1277 SG_LOG( SG_GENERAL, SG_INFO, "After time init, warp = "
1278 << globals->get_warp() );
1280 globals->set_warp_delta( 0 );
1282 t->update( 0.0, 0.0,
1283 cur_time_override->getLongValue(),
1284 globals->get_warp() );
1290 // This is the top level init routine which calls all the other
1291 // initialization routines. If you are adding a subsystem to flight
1292 // gear, its initialization call should located in this routine.
1293 // Returns non-zero if a problem encountered.
1294 bool fgInitSubsystems() {
1295 // static const SGPropertyNode *longitude
1296 // = fgGetNode("/sim/presets/longitude-deg");
1297 // static const SGPropertyNode *latitude
1298 // = fgGetNode("/sim/presets/latitude-deg");
1299 // static const SGPropertyNode *altitude
1300 // = fgGetNode("/sim/presets/altitude-ft");
1302 fgLIGHT *l = &cur_light_params;
1304 SG_LOG( SG_GENERAL, SG_INFO, "Initialize Subsystems");
1305 SG_LOG( SG_GENERAL, SG_INFO, "========== ==========");
1308 ////////////////////////////////////////////////////////////////////
1309 // Initialize the material property subsystem.
1310 ////////////////////////////////////////////////////////////////////
1312 SGPath mpath( globals->get_fg_root() );
1313 mpath.append( "materials.xml" );
1314 if ( ! globals->get_matlib()->load(globals->get_fg_root(), mpath.str()) ) {
1315 SG_LOG( SG_GENERAL, SG_ALERT, "Error loading material lib!" );
1319 ////////////////////////////////////////////////////////////////////
1320 // Initialize the event manager subsystem.
1321 ////////////////////////////////////////////////////////////////////
1323 global_events.init();
1325 // Output event stats every 60 seconds
1326 global_events.Register( "FGEventMgr::print_stats()",
1327 &global_events, &FGEventMgr::print_stats,
1331 ////////////////////////////////////////////////////////////////////
1332 // Initialize the scenery management subsystem.
1333 ////////////////////////////////////////////////////////////////////
1335 if ( globals->get_tile_mgr()->init() ) {
1336 // Load the local scenery data
1337 double visibility_meters = fgGetDouble("/environment/visibility-m");
1339 globals->get_tile_mgr()->update( visibility_meters );
1341 SG_LOG( SG_GENERAL, SG_ALERT, "Error in Tile Manager initialization!" );
1345 // cause refresh of viewer scenery timestamps every 15 seconds...
1346 global_events.Register( "FGTileMgr::refresh_view_timestamps()",
1347 globals->get_tile_mgr(),
1348 &FGTileMgr::refresh_view_timestamps,
1351 SG_LOG( SG_GENERAL, SG_DEBUG,
1352 "Current terrain elevation after tile mgr init " <<
1353 globals->get_scenery()->get_cur_elev() );
1356 ////////////////////////////////////////////////////////////////////
1357 // Initialize the flight model subsystem.
1358 ////////////////////////////////////////////////////////////////////
1362 // allocates structures so must happen before any of the flight
1363 // model or control parameters are set
1364 fgAircraftInit(); // In the future this might not be the case.
1367 ////////////////////////////////////////////////////////////////////
1368 // Initialize the view manager subsystem.
1369 ////////////////////////////////////////////////////////////////////
1374 ////////////////////////////////////////////////////////////////////
1375 // Initialize the lighting subsystem.
1376 ////////////////////////////////////////////////////////////////////
1378 // fgUpdateSunPos() needs a few position and view parameters set
1379 // so it can calculate local relative sun angle and a few other
1380 // things for correctly orienting the sky.
1383 global_events.Register( "fgUpdateSunPos()", &fgUpdateSunPos,
1385 global_events.Register( "fgUpdateMoonPos()", &fgUpdateMoonPos,
1388 // Initialize Lighting interpolation tables
1391 // force one lighting update to make it right to start with...
1393 // update the lighting parameters (based on sun angle)
1394 global_events.Register( "fgLight::Update()",
1395 &cur_light_params, &fgLIGHT::Update,
1399 ////////////////////////////////////////////////////////////////////
1400 // Create and register the logger.
1401 ////////////////////////////////////////////////////////////////////
1403 globals->add_subsystem("logger", new FGLogger);
1406 #if defined(HAVE_PLIB_PSL)
1407 ////////////////////////////////////////////////////////////////////
1408 // Create and register the script manager.
1409 ////////////////////////////////////////////////////////////////////
1411 globals->add_subsystem("scripting", new FGScriptMgr);
1412 #endif // HAVE_PLIB_PSL
1415 ////////////////////////////////////////////////////////////////////
1416 // Create and register the XML GUI.
1417 ////////////////////////////////////////////////////////////////////
1419 globals->add_subsystem("gui", new NewGUI, FGSubsystemMgr::INIT);
1422 ////////////////////////////////////////////////////////////////////
1423 // Initialize the local time subsystem.
1424 ////////////////////////////////////////////////////////////////////
1426 // update the current timezone each 30 minutes
1427 global_events.Register( "fgUpdateLocalTime()", &fgUpdateLocalTime,
1431 ////////////////////////////////////////////////////////////////////
1432 // Initialize the weather subsystem.
1433 ////////////////////////////////////////////////////////////////////
1435 // Initialize the weather modeling subsystem
1437 // Initialize the WeatherDatabase
1438 SG_LOG(SG_GENERAL, SG_INFO, "Creating LocalWeatherDatabase");
1440 sgSetVec3( position, current_aircraft.fdm_state->get_Latitude(),
1441 current_aircraft.fdm_state->get_Longitude(),
1442 current_aircraft.fdm_state->get_Altitude() * SG_FEET_TO_METER );
1443 double init_vis = fgGetDouble("/environment/visibility-m");
1445 FGLocalWeatherDatabase::DatabaseWorkingType working_type;
1447 if (!strcmp(fgGetString("/environment/weather/working-type"), "internet"))
1449 working_type = FGLocalWeatherDatabase::use_internet;
1451 working_type = FGLocalWeatherDatabase::default_mode;
1454 if ( init_vis > 0 ) {
1455 FGLocalWeatherDatabase::theFGLocalWeatherDatabase =
1456 new FGLocalWeatherDatabase( position,
1457 globals->get_fg_root(),
1461 FGLocalWeatherDatabase::theFGLocalWeatherDatabase =
1462 new FGLocalWeatherDatabase( position,
1463 globals->get_fg_root(),
1467 // cout << theFGLocalWeatherDatabase << endl;
1468 // cout << "visibility = "
1469 // << theFGLocalWeatherDatabase->getWeatherVisibility() << endl;
1471 WeatherDatabase = FGLocalWeatherDatabase::theFGLocalWeatherDatabase;
1473 // register the periodic update of the weather
1474 global_events.Register( "weather update", &fgUpdateWeatherDatabase,
1477 globals->add_subsystem("environment", new FGEnvironmentMgr);
1480 #ifdef FG_USE_CLOUDS_3D
1481 ////////////////////////////////////////////////////////////////////
1482 // Initialize the 3D cloud subsystem.
1483 ////////////////////////////////////////////////////////////////////
1484 if ( fgGetBool("/sim/rendering/clouds3d") ) {
1485 static const SGPropertyNode *longitude
1486 = fgGetNode("/sim/presets/longitude-deg");
1487 static const SGPropertyNode *latitude
1488 = fgGetNode("/sim/presets/latitude-deg");
1489 static const SGPropertyNode *altitude
1490 = fgGetNode("/sim/presets/altitude-ft");
1492 SGPath cloud_path(globals->get_fg_root());
1494 cloud_path.append("Textures/Sky/scattered.rgba");
1495 SG_LOG(SG_GENERAL, SG_INFO, "Loading CLOUDS3d from: " << cloud_path.c_str());
1498 tx.read_rgba_texture(cloud_path.c_str());
1499 if ( !sgCloud3d->Load( tx.texture(), tx.width(),
1501 cloud_path.append("large.sky");
1502 if ( !sgCloud3d->Load( cloud_path.str(),
1504 latitude->getDoubleValue(),
1505 longitude->getDoubleValue()) )
1507 fgSetBool("/sim/rendering/clouds3d", false);
1508 SG_LOG(SG_GENERAL, SG_INFO, "CLOUDS3d FAILED: ");
1510 SG_LOG(SG_GENERAL, SG_INFO, "CLOUDS3d Loaded: ");
1514 ////////////////////////////////////////////////////////////////////
1515 // Initialise ATC display system
1516 ////////////////////////////////////////////////////////////////////
1518 SG_LOG(SG_GENERAL, SG_INFO, " ATC Display");
1519 globals->set_ATC_display(new FGATCDisplay);
1520 globals->get_ATC_display()->init();
1522 ////////////////////////////////////////////////////////////////////
1523 // Initialise the ATC Manager
1524 ////////////////////////////////////////////////////////////////////
1526 SG_LOG(SG_GENERAL, SG_INFO, " ATC Manager");
1527 globals->set_ATC_mgr(new FGATCMgr);
1528 globals->get_ATC_mgr()->init();
1530 ////////////////////////////////////////////////////////////////////
1531 // Initialise the AI Manager
1532 ////////////////////////////////////////////////////////////////////
1534 SG_LOG(SG_GENERAL, SG_INFO, " AI Manager");
1535 globals->set_AI_mgr(new FGAIMgr);
1536 globals->get_AI_mgr()->init();
1539 #ifdef ENABLE_AUDIO_SUPPORT
1540 ////////////////////////////////////////////////////////////////////
1541 // Initialize the sound subsystem.
1542 ////////////////////////////////////////////////////////////////////
1544 globals->set_soundmgr(new SGSoundMgr);
1545 globals->get_soundmgr()->init();
1546 globals->get_soundmgr()->bind();
1549 ////////////////////////////////////////////////////////////////////
1550 // Initialize the sound-effects subsystem.
1551 ////////////////////////////////////////////////////////////////////
1553 globals->add_subsystem("fx", new FGFX);
1557 globals->add_subsystem("instrumentation", new FGInstrumentMgr);
1558 globals->add_subsystem("systems", new FGSystemMgr);
1560 ////////////////////////////////////////////////////////////////////
1561 // Initialize the radio stack subsystem.
1562 ////////////////////////////////////////////////////////////////////
1564 current_radiostack = new FGRadioStack;
1565 current_radiostack->init();
1566 current_radiostack->bind();
1569 ////////////////////////////////////////////////////////////////////
1570 // Initialize the cockpit subsystem
1571 ////////////////////////////////////////////////////////////////////
1573 if( fgCockpitInit( ¤t_aircraft )) {
1574 // Cockpit initialized ok.
1576 SG_LOG( SG_GENERAL, SG_ALERT, "Error in Cockpit initialization!" );
1581 ////////////////////////////////////////////////////////////////////
1582 // Initialize the autopilot subsystem.
1583 ////////////////////////////////////////////////////////////////////
1585 globals->set_autopilot(new FGAutopilot);
1586 globals->get_autopilot()->init();
1587 globals->get_autopilot()->bind();
1589 // FIXME: these should go in the
1590 // GUI initialization code, not here.
1592 NewTgtAirportInit();
1596 ////////////////////////////////////////////////////////////////////
1597 // Initialize I/O subsystem.
1598 ////////////////////////////////////////////////////////////////////
1600 globals->get_io()->init();
1601 globals->get_io()->bind();
1604 ////////////////////////////////////////////////////////////////////
1605 // Add a new 2D panel.
1606 ////////////////////////////////////////////////////////////////////
1608 string panel_path = fgGetString("/sim/panel/path",
1609 "Panels/Default/default.xml");
1611 globals->set_current_panel( fgReadPanel(panel_path) );
1612 if (globals->get_current_panel() == 0) {
1613 SG_LOG( SG_INPUT, SG_ALERT,
1614 "Error reading new panel from " << panel_path );
1616 SG_LOG( SG_INPUT, SG_INFO, "Loaded new panel from " << panel_path );
1617 globals->get_current_panel()->init();
1618 globals->get_current_panel()->bind();
1622 ////////////////////////////////////////////////////////////////////
1623 // Initialize the default (kludged) properties.
1624 ////////////////////////////////////////////////////////////////////
1629 ////////////////////////////////////////////////////////////////////
1630 // Initialize the controls subsystem.
1631 ////////////////////////////////////////////////////////////////////
1633 globals->get_controls()->init();
1634 globals->get_controls()->bind();
1637 ////////////////////////////////////////////////////////////////////
1638 // Initialize the input subsystem.
1639 ////////////////////////////////////////////////////////////////////
1641 globals->add_subsystem("input", new FGInput);
1644 ////////////////////////////////////////////////////////////////////
1645 // Initialize the replay subsystem
1646 ////////////////////////////////////////////////////////////////////
1647 globals->add_subsystem("replay", new FGReplay);
1649 ////////////////////////////////////////////////////////////////////
1650 // Bind and initialize subsystems.
1651 ////////////////////////////////////////////////////////////////////
1653 globals->get_subsystem_mgr()->bind();
1654 globals->get_subsystem_mgr()->init();
1657 #ifdef FG_MPLAYER_AS
1658 ////////////////////////////////////////////////////////////////////
1659 // Initialize multiplayer subsystem
1660 ////////////////////////////////////////////////////////////////////
1662 globals->set_multiplayer_tx_mgr(new FGMultiplayTxMgr);
1663 globals->get_multiplayer_tx_mgr()->init();
1665 globals->set_multiplayer_rx_mgr(new FGMultiplayRxMgr);
1666 globals->get_multiplayer_rx_mgr()->init();
1669 ////////////////////////////////////////////////////////////////////////
1670 // End of subsystem initialization.
1671 ////////////////////////////////////////////////////////////////////
1673 SG_LOG( SG_GENERAL, SG_INFO, endl);
1675 // Save the initial state for future
1677 globals->saveInitialState();
1683 void fgReInitSubsystems()
1685 // static const SGPropertyNode *longitude
1686 // = fgGetNode("/sim/presets/longitude-deg");
1687 // static const SGPropertyNode *latitude
1688 // = fgGetNode("/sim/presets/latitude-deg");
1689 static const SGPropertyNode *altitude
1690 = fgGetNode("/sim/presets/altitude-ft");
1691 static const SGPropertyNode *master_freeze
1692 = fgGetNode("/sim/freeze/master");
1694 SG_LOG( SG_GENERAL, SG_INFO,
1695 "fgReInitSubsystems(): /position/altitude = "
1696 << altitude->getDoubleValue() );
1698 bool freeze = master_freeze->getBoolValue();
1700 fgSetBool("/sim/freeze/master", true);
1703 // Initialize the FDM
1706 // allocates structures so must happen before any of the flight
1707 // model or control parameters are set
1708 fgAircraftInit(); // In the future this might not be the case.
1710 // reload offsets from config defaults
1711 globals->get_viewmgr()->reinit();
1715 globals->get_controls()->reset_all();
1716 globals->get_autopilot()->reset();
1720 cur_light_params.Update();
1721 fgUpdateLocalTime();
1724 fgSetBool("/sim/freeze/master", false);