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 #ifdef FG_USE_CLOUDS_3D
67 # include <simgear/sky/clouds3d/SkySceneLoader.hpp>
68 # include <simgear/sky/clouds3d/SkyUtil.hpp>
70 #include <simgear/timing/sg_time.hxx>
71 #include <simgear/timing/lowleveltime.h>
73 #include <Aircraft/aircraft.hxx>
74 #include <FDM/UIUCModel/uiuc_aircraftdir.h>
75 #include <Airports/runways.hxx>
76 #include <Airports/simple.hxx>
77 #include <ATC/ATCdisplay.hxx>
78 #include <ATC/ATCmgr.hxx>
79 #include <ATC/AIMgr.hxx>
80 #include <Autopilot/auto_gui.hxx>
81 #include <Autopilot/newauto.hxx>
82 #include <Cockpit/cockpit.hxx>
83 #include <Cockpit/radiostack.hxx>
84 #include <Cockpit/panel.hxx>
85 #include <Cockpit/panel_io.hxx>
86 #include <FDM/ADA.hxx>
87 #include <FDM/Balloon.h>
88 #include <FDM/ExternalNet/ExternalNet.hxx>
89 #include <FDM/ExternalPipe/ExternalPipe.hxx>
90 #include <FDM/JSBSim/JSBSim.hxx>
91 #include <FDM/LaRCsim.hxx>
92 #include <FDM/MagicCarpet.hxx>
93 #include <FDM/UFO.hxx>
94 #include <FDM/NullFDM.hxx>
95 #include <FDM/YASim/YASim.hxx>
96 #include <GUI/new_gui.hxx>
97 #include <Include/general.hxx>
98 #include <Input/input.hxx>
99 #include <Instrumentation/instrument_mgr.hxx>
100 // #include <Joystick/joystick.hxx>
101 #include <Objects/matlib.hxx>
102 #include <Model/acmodel.hxx>
103 #include <Navaids/fixlist.hxx>
104 #include <Navaids/ilslist.hxx>
105 #include <Navaids/mkrbeacons.hxx>
106 #include <Navaids/navlist.hxx>
107 #include <Scenery/scenery.hxx>
108 #include <Scenery/tilemgr.hxx>
109 #if defined(HAVE_PLIB_PSL)
110 #include <Scripting/scriptmgr.hxx>
112 #include <Sound/fg_fx.hxx>
113 #include <Sound/soundmgr.hxx>
114 #include <Systems/system_mgr.hxx>
115 #include <Time/FGEventMgr.hxx>
116 #include <Time/light.hxx>
117 #include <Time/sunpos.hxx>
118 #include <Time/moonpos.hxx>
119 #include <Time/tmp.hxx>
122 #include <MultiPlayer/multiplaytxmgr.hxx>
123 #include <MultiPlayer/multiplayrxmgr.hxx>
127 # include <WeatherCM/FGLocalWeatherDatabase.h>
129 # include <Environment/environment_mgr.hxx>
132 #include "fg_init.hxx"
134 #include "fg_commands.hxx"
135 #include "fg_props.hxx"
136 #include "options.hxx"
137 #include "globals.hxx"
138 #include "logger.hxx"
139 #include "viewmgr.hxx"
141 #if defined(FX) && defined(XMESA)
142 #include <GL/xmesa.h>
145 SG_USING_STD(string);
147 extern const char *default_root;
149 #ifdef FG_USE_CLOUDS_3D
150 SkySceneLoader *sgCloud3d;
154 // Scan the command line options for the specified option and return
156 static string fgScanForOption( const string& option, int argc, char **argv ) {
159 SG_LOG(SG_GENERAL, SG_INFO, "Scanning command line for: " << option );
161 int len = option.length();
164 SG_LOG( SG_GENERAL, SG_DEBUG, "argv[" << i << "] = " << argv[i] );
166 string arg = argv[i];
167 if ( arg.find( option ) == 0 ) {
168 return arg.substr( len );
178 // Scan the user config files for the specified option and return
180 static string fgScanForOption( const string& option, const string& path ) {
181 sg_gzifstream in( path );
182 if ( !in.is_open() ) {
186 SG_LOG( SG_GENERAL, SG_INFO, "Scanning " << path << " for: " << option );
188 int len = option.length();
192 while ( ! in.eof() ) {
195 while ( in.get(c) && c != '\0' ) {
200 #if defined( macintosh )
201 getline( in, line, '\r' );
203 getline( in, line, '\n' );
206 // catch extraneous (DOS) line ending character
207 if ( line[line.length() - 1] < 32 ) {
208 line = line.substr( 0, line.length()-1 );
211 if ( line.find( option ) == 0 ) {
212 return line.substr( len );
222 // Read in configuration (files and command line options) but only set
224 bool fgInitFGRoot ( int argc, char **argv ) {
228 // First parse command line options looking for --fg-root=, this
229 // will override anything specified in a config file
230 root = fgScanForOption( "--fg-root=", argc, argv);
232 #if defined( unix ) || defined( __CYGWIN__ )
233 // Next check home directory for .fgfsrc.hostname file
234 if ( root.empty() ) {
235 envp = ::getenv( "HOME" );
236 if ( envp != NULL ) {
237 SGPath config( envp );
238 config.append( ".fgfsrc" );
240 gethostname( name, 256 );
241 config.concat( "." );
242 config.concat( name );
243 root = fgScanForOption( "--fg-root=", config.str() );
248 // Next check home directory for .fgfsrc file
249 if ( root.empty() ) {
250 envp = ::getenv( "HOME" );
251 if ( envp != NULL ) {
252 SGPath config( envp );
253 config.append( ".fgfsrc" );
254 root = fgScanForOption( "--fg-root=", config.str() );
258 // Next check if fg-root is set as an env variable
259 if ( root.empty() ) {
260 envp = ::getenv( "FG_ROOT" );
261 if ( envp != NULL ) {
266 // Otherwise, default to a random compiled-in location if we can't
267 // find fg-root any other way.
268 if ( root.empty() ) {
269 #if defined( __CYGWIN__ )
270 root = "/FlightGear";
271 #elif defined( WIN32 )
272 root = "\\FlightGear";
273 #elif defined( macintosh )
280 SG_LOG(SG_INPUT, SG_INFO, "fg_root = " << root );
281 globals->set_fg_root(root);
287 // Read in configuration (files and command line options) but only set
289 bool fgInitFGAircraft ( int argc, char **argv ) {
293 // First parse command line options looking for --aircraft=, this
294 // will override anything specified in a config file
295 aircraft = fgScanForOption( "--aircraft=", argc, argv );
297 #if defined( unix ) || defined( __CYGWIN__ )
298 // Next check home directory for .fgfsrc.hostname file
299 if ( aircraft.empty() ) {
300 envp = ::getenv( "HOME" );
301 if ( envp != NULL ) {
302 SGPath config( envp );
303 config.append( ".fgfsrc" );
305 gethostname( name, 256 );
306 config.concat( "." );
307 config.concat( name );
308 aircraft = fgScanForOption( "--aircraft=", config.str() );
313 // Next check home directory for .fgfsrc file
314 if ( aircraft.empty() ) {
315 envp = ::getenv( "HOME" );
316 if ( envp != NULL ) {
317 SGPath config( envp );
318 config.append( ".fgfsrc" );
319 aircraft = fgScanForOption( "--aircraft=", config.str() );
323 // if an aircraft was specified, set the property name
324 if ( !aircraft.empty() ) {
325 SG_LOG(SG_INPUT, SG_INFO, "aircraft = " << aircraft );
326 fgSetString("/sim/aircraft", aircraft.c_str() );
328 SG_LOG(SG_INPUT, SG_INFO, "No user specified aircraft, using default" );
335 // Return the current base package version
336 string fgBasePackageVersion() {
337 SGPath base_path( globals->get_fg_root() );
338 base_path.append("version");
340 sg_gzifstream in( base_path.str() );
341 if ( !in.is_open() ) {
342 SGPath old_path( globals->get_fg_root() );
343 old_path.append( "Thanks" );
344 sg_gzifstream old( old_path.str() );
345 if ( !old.is_open() ) {
348 return "[old version]";
359 // Initialize the localization
360 SGPropertyNode *fgInitLocale(const char *language) {
361 SGPropertyNode *c_node = NULL, *d_node = NULL;
362 SGPropertyNode *intl = fgGetNode("/sim/intl");
364 SG_LOG(SG_GENERAL, SG_INFO, "Selecting language: " << language );
366 // localization not defined
371 // Select the proper language from the list
373 vector<SGPropertyNode_ptr> locale = intl->getChildren("locale");
374 for (unsigned int i = 0; i < locale.size(); i++) {
376 vector<SGPropertyNode_ptr> lang = locale[i]->getChildren("lang");
377 for (unsigned int j = 0; j < lang.size(); j++) {
379 if (!strcmp(lang[j]->getStringValue(), language)) {
388 d_node = intl->getChild("locale");
392 // Check for localized font
393 SGPropertyNode *font_n = c_node->getNode("font", true);
394 if ( !strcmp(font_n->getStringValue(), "") )
395 font_n->setStringValue(d_node->getStringValue("font", "typewriter.txf"));
399 // Load the default strings
401 SGPath d_path( globals->get_fg_root() );
403 const char *d_path_str = d_node->getStringValue("strings");
405 SG_LOG(SG_GENERAL, SG_ALERT, "Incorrect path in configuration file.");
409 d_path.append(d_path_str);
410 SG_LOG(SG_GENERAL, SG_INFO, "Reading localized strings from "
413 SGPropertyNode *strings = c_node->getNode("strings");
415 readProperties(d_path.str(), strings);
416 } catch (const sg_exception &e) {
417 SG_LOG(SG_GENERAL, SG_ALERT, "Unable to read the localized strings");
422 // Load the language specific strings
424 if (c_node != d_node) {
425 SGPath c_path( globals->get_fg_root() );
427 const char *c_path_str = c_node->getStringValue("strings");
429 SG_LOG(SG_GENERAL, SG_ALERT, "Incorrect path in configuration file.");
433 c_path.append(c_path_str);
434 SG_LOG(SG_GENERAL, SG_INFO, "Reading localized strings from "
438 readProperties(c_path.str(), strings);
439 } catch (const sg_exception &e) {
440 SG_LOG(SG_GENERAL, SG_ALERT, "Unable to read the localized strings");
450 // Initialize the localization routines
451 bool fgDetectLanguage() {
452 char *language = ::getenv("LANG");
454 if (language == NULL) {
455 SG_LOG(SG_GENERAL, SG_INFO, "Unable to detect the language" );
459 SGPropertyNode *locale = fgInitLocale(language);
461 cerr << "No internationalization settings specified in preferences.xml"
467 globals->set_locale( locale );
472 // Attempt to locate and parse the various non-XML config files in order
473 // from least precidence to greatest precidence
475 do_options (int argc, char ** argv)
477 // Check for $fg_root/system.fgfsrc
478 SGPath config( globals->get_fg_root() );
479 config.append( "system.fgfsrc" );
480 fgParseOptions(config.str());
482 #if defined( unix ) || defined( __CYGWIN__ )
484 // Check for $fg_root/system.fgfsrc.hostname
485 gethostname( name, 256 );
486 config.concat( "." );
487 config.concat( name );
488 fgParseOptions(config.str());
491 // Check for ~/.fgfsrc
492 char* envp = ::getenv( "HOME" );
493 if ( envp != NULL ) {
495 config.append( ".fgfsrc" );
496 fgParseOptions(config.str());
499 #if defined( unix ) || defined( __CYGWIN__ )
500 // Check for ~/.fgfsrc.hostname
501 gethostname( name, 256 );
502 config.concat( "." );
503 config.concat( name );
504 fgParseOptions(config.str());
507 // Parse remaining command line options
508 // These will override anything specified in a config file
509 fgParseArgs(argc, argv);
513 // Read in configuration (file and command line)
514 bool fgInitConfig ( int argc, char **argv ) {
516 // First, set some sane default values
519 // Read global preferences from $FG_ROOT/preferences.xml
520 SG_LOG(SG_INPUT, SG_INFO, "Reading global preferences");
521 fgLoadProps("preferences.xml", globals->get_props());
522 SG_LOG(SG_INPUT, SG_INFO, "Finished Reading global preferences");
524 // Detect the required language as early as possible
525 if ( !fgDetectLanguage() ) {
529 // Scan user config files and command line for a specified aircraft.
530 fgInitFGAircraft(argc, argv);
532 string aircraft = fgGetString("/sim/aircraft", "");
533 if ( aircraft.size() > 0 ) {
534 SGPath aircraft_path(globals->get_fg_root());
535 aircraft_path.append("Aircraft");
536 aircraft_path.append(aircraft);
537 aircraft_path.concat("-set.xml");
538 SG_LOG(SG_INPUT, SG_INFO, "Reading default aircraft: " << aircraft
539 << " from " << aircraft_path.str());
541 readProperties(aircraft_path.str(), globals->get_props());
542 } catch (const sg_exception &e) {
543 string message = "Error reading default aircraft: ";
544 message += e.getFormattedMessage();
545 SG_LOG(SG_INPUT, SG_ALERT, message);
549 SG_LOG(SG_INPUT, SG_ALERT, "No default aircraft specified");
552 // parse options after loading aircraft to ensure any user
553 // overrides of defaults are honored.
554 do_options(argc, argv);
560 // find basic airport location info from airport database
561 bool fgFindAirportID( const string& id, FGAirport *a ) {
563 SGPath path( globals->get_fg_root() );
564 path.append( "Airports" );
565 path.append( "simple.mk4" );
566 FGAirports airports( path.c_str() );
568 SG_LOG( SG_GENERAL, SG_INFO, "Searching for airport code = " << id );
570 if ( ! airports.search( id, a ) ) {
571 SG_LOG( SG_GENERAL, SG_ALERT,
572 "Failed to find " << id << " in " << path.str() );
579 SG_LOG( SG_GENERAL, SG_INFO,
580 "Position for " << id << " is ("
581 << a->longitude << ", "
582 << a->latitude << ")" );
588 // get airport elevation
589 static double fgGetAirportElev( const string& id ) {
593 SG_LOG( SG_GENERAL, SG_INFO,
594 "Finding elevation for airport: " << id );
596 if ( fgFindAirportID( id, &a ) ) {
604 // Preset lon/lat given an airport id
605 static bool fgSetPosFromAirportID( const string& id ) {
609 SG_LOG( SG_GENERAL, SG_INFO,
610 "Attempting to set starting position from airport code " << id );
612 if ( fgFindAirportID( id, &a ) ) {
614 fgSetDouble("/sim/presets/longitude-deg", a.longitude );
615 fgSetDouble("/sim/presets/latitude-deg", a.latitude );
617 // other code depends on the actual postition being set so set
619 fgSetDouble("/position/longitude-deg", a.longitude );
620 fgSetDouble("/position/latitude-deg", a.latitude );
622 SG_LOG( SG_GENERAL, SG_INFO,
623 "Position for " << id << " is (" << a.longitude
624 << ", " << a.latitude << ")" );
633 // Set current tower position lon/lat given an airport id
634 static bool fgSetTowerPosFromAirportID( const string& id, double hdg ) {
636 // tower height hard coded for now...
637 float towerheight=50.0f;
639 // make a little off the heading for 1 runway airports...
640 float fudge_lon = fabs(sin(hdg)) * .003f;
641 float fudge_lat = .003f - fudge_lon;
643 if ( fgFindAirportID( id, &a ) ) {
644 fgSetDouble("/sim/tower/longitude-deg", a.longitude + fudge_lon);
645 fgSetDouble("/sim/tower/latitude-deg", a.latitude + fudge_lat);
646 fgSetDouble("/sim/tower/altitude-ft", a.elevation + towerheight);
655 // Set current_options lon/lat given an airport id and heading (degrees)
656 static bool fgSetPosFromAirportIDandHdg( const string& id, double tgt_hdg ) {
659 double found_dir = 0.0;
662 // set initial position from runway and heading
664 SGPath path( globals->get_fg_root() );
665 path.append( "Airports" );
666 path.append( "runways.mk4" );
667 FGRunways runways( path.c_str() );
669 SG_LOG( SG_GENERAL, SG_INFO,
670 "Attempting to set starting position from runway code "
671 << id << " heading " << tgt_hdg );
673 if ( ! runways.search( id, &r ) ) {
674 SG_LOG( SG_GENERAL, SG_ALERT,
675 "Failed to find " << id << " in database." );
680 double min_diff = 360.0;
682 while ( r.id == id ) {
684 diff = tgt_hdg - r.heading;
685 while ( diff < -180.0 ) { diff += 360.0; }
686 while ( diff > 180.0 ) { diff -= 360.0; }
688 SG_LOG( SG_GENERAL, SG_INFO,
689 "Runway " << r.rwy_no << " heading = " << r.heading <<
690 " diff = " << diff );
691 if ( diff < min_diff ) {
698 diff = tgt_hdg - r.heading - 180.0;
699 while ( diff < -180.0 ) { diff += 360.0; }
700 while ( diff > 180.0 ) { diff -= 360.0; }
702 SG_LOG( SG_GENERAL, SG_INFO,
703 "Runway -" << r.rwy_no << " heading = " <<
705 " diff = " << diff );
706 if ( diff < min_diff ) {
715 SG_LOG( SG_GENERAL, SG_INFO, "closest runway = " << found_r.rwy_no
716 << " + " << found_dir );
722 double heading = found_r.heading + found_dir;
723 while ( heading >= 360.0 ) { heading -= 360.0; }
725 double lat2, lon2, az2;
726 double azimuth = found_r.heading + found_dir + 180.0;
727 while ( azimuth >= 360.0 ) { azimuth -= 360.0; }
729 SG_LOG( SG_GENERAL, SG_INFO,
730 "runway = " << found_r.lon << ", " << found_r.lat
731 << " length = " << found_r.length * SG_FEET_TO_METER * 0.5
732 << " heading = " << azimuth );
734 geo_direct_wgs_84 ( 0, found_r.lat, found_r.lon,
735 azimuth, found_r.length * SG_FEET_TO_METER * 0.5 - 5.0,
736 &lat2, &lon2, &az2 );
738 if ( fabs( fgGetDouble("/sim/presets/offset-distance") ) > SG_EPSILON ) {
740 double odist = fgGetDouble("/sim/presets/offset-distance");
741 odist *= SG_NM_TO_METER;
742 double oaz = azimuth;
743 if ( fabs(fgGetDouble("/sim/presets/offset-azimuth")) > SG_EPSILON ) {
744 oaz = fgGetDouble("/sim/presets/offset-azimuth") + 180;
746 while ( oaz >= 360.0 ) { oaz -= 360.0; }
747 geo_direct_wgs_84 ( 0, lat2, lon2, oaz, odist, &olat, &olon, &az2 );
753 fgSetDouble("/sim/presets/longitude-deg", lon2 );
754 fgSetDouble("/sim/presets/latitude-deg", lat2 );
755 fgSetDouble("/sim/presets/heading-deg", heading );
757 // other code depends on the actual values being set ...
758 fgSetDouble("/position/longitude-deg", lon2 );
759 fgSetDouble("/position/latitude-deg", lat2 );
760 fgSetDouble("/orientation/heading-deg", heading );
762 SG_LOG( SG_GENERAL, SG_INFO,
763 "Position for " << id << " is ("
765 << lat2 << ") new heading is "
772 // Set current_options lon/lat given an airport id and heading (degrees)
773 static bool fgSetPosFromAirportIDandRwy( const string& id, const string& rwy ) {
776 double heading = 0.0;
780 // standardize input number
781 string tmp = rwy.substr(1, 1);
782 if ( tmp == "L" || tmp == "R" || tmp == "C" ) {
790 // set initial position from runway and heading
792 SGPath path( globals->get_fg_root() );
793 path.append( "Airports" );
794 path.append( "runways.mk4" );
795 FGRunways runways( path.c_str() );
797 SG_LOG( SG_GENERAL, SG_INFO,
798 "Attempting to set starting position for "
799 << id << ":" << runway );
801 if ( ! runways.search( id, &r ) ) {
802 SG_LOG( SG_GENERAL, SG_ALERT,
803 "Failed to find " << id << " in database." );
807 while ( r.id == id ) {
809 if ( r.rwy_no == runway ) {
813 SG_LOG( SG_GENERAL, SG_INFO,
814 "Runway " << r.rwy_no << " heading = " << heading );
817 // calculate reciprocal runway number
818 string snum = r.rwy_no;
819 int len = snum.length();
821 string rev_letter = "";
823 for ( i = 0; i < len; ++i ) {
824 string tmp = snum.substr(i, 1);
828 } else if ( tmp == "R" ) {
831 } else if ( tmp == "C" ) {
836 for ( i = 0; i < len; ++i ) {
837 string tmp = snum.substr(i, 1);
838 if ( tmp == "L" || tmp == "R" || tmp == "C" || tmp == " " ) {
839 snum = snum.substr(0, i);
842 SG_LOG(SG_GENERAL, SG_DEBUG, "Runway num = '" << snum << "'");
843 int num = atoi( snum.c_str() ) + 18;
844 while ( num > 36 ) { num -= 36; }
845 while ( num <= 0 ) { num += 36; }
848 snprintf( recip_no, 10, "%02d%s", num, rev_letter.c_str() );
851 if ( (string)recip_no == runway ) {
853 heading = r.heading + 180;
854 while ( heading > 360.0 ) { heading -= 360; }
856 SG_LOG( SG_GENERAL, SG_INFO,
857 "Runway " << r.rwy_no << " heading = " << heading );
867 double lat2, lon2, az2;
868 double azimuth = heading + 180.0;
869 while ( azimuth >= 360.0 ) { azimuth -= 360.0; }
871 SG_LOG( SG_GENERAL, SG_INFO,
872 "runway = " << found_r.lon << ", " << found_r.lat
873 << " length = " << found_r.length * SG_FEET_TO_METER * 0.5
874 << " heading = " << azimuth );
876 geo_direct_wgs_84 ( 0, found_r.lat, found_r.lon,
878 found_r.length * SG_FEET_TO_METER * 0.5 - 5.0,
879 &lat2, &lon2, &az2 );
881 if ( fabs( fgGetDouble("/sim/presets/offset-distance") ) > SG_EPSILON )
884 double odist = fgGetDouble("/sim/presets/offset-distance");
885 odist *= SG_NM_TO_METER;
886 double oaz = azimuth;
887 if ( fabs(fgGetDouble("/sim/presets/offset-azimuth")) > SG_EPSILON )
889 oaz = fgGetDouble("/sim/presets/offset-azimuth") + 180;
891 while ( oaz >= 360.0 ) { oaz -= 360.0; }
892 geo_direct_wgs_84 ( 0, lat2, lon2, oaz, odist, &olat, &olon, &az2 );
898 fgSetDouble("/sim/presets/longitude-deg", lon2 );
899 fgSetDouble("/sim/presets/latitude-deg", lat2 );
900 fgSetDouble("/sim/presets/heading-deg", heading );
902 // other code depends on the actual values being set ...
903 fgSetDouble("/position/longitude-deg", lon2 );
904 fgSetDouble("/position/latitude-deg", lat2 );
905 fgSetDouble("/orientation/heading-deg", heading );
907 SG_LOG( SG_GENERAL, SG_INFO,
908 "Position for " << id << " is ("
910 << lat2 << ") new heading is "
920 static void fgSetDistOrAltFromGlideSlope() {
921 string apt_id = fgGetString("/sim/presets/airport-id");
922 double gs = fgGetDouble("/sim/presets/glideslope-deg")
923 * SG_DEGREES_TO_RADIANS ;
924 double od = fgGetDouble("/sim/presets/offset-distance");
925 double alt = fgGetDouble("/sim/presets/altitude-ft");
927 double apt_elev = 0.0;
928 if ( ! apt_id.empty() ) {
929 apt_elev = fgGetAirportElev( apt_id );
930 if ( apt_elev < -9990.0 ) {
937 if( fabs(gs) > 0.01 && fabs(od) > 0.1 && alt < -9990 ) {
938 // set altitude from glideslope and offset-distance
939 od *= SG_NM_TO_METER * SG_METER_TO_FEET;
940 alt = fabs(od*tan(gs)) + apt_elev;
941 fgSetDouble("/sim/presets/altitude-ft", alt);
942 fgSetBool("/sim/presets/onground", false);
943 SG_LOG( SG_GENERAL, SG_INFO, "Calculated altitude as: "
945 } else if( fabs(gs) > 0.01 && alt > 0 && fabs(od) < 0.1) {
946 // set offset-distance from glideslope and altitude
947 od = (alt - apt_elev) / tan(gs);
948 od *= -1*SG_FEET_TO_METER * SG_METER_TO_NM;
949 fgSetDouble("/sim/presets/offset-distance", od);
950 fgSetBool("/sim/presets/onground", false);
951 SG_LOG( SG_GENERAL, SG_INFO, "Calculated offset distance as: "
953 } else if( fabs(gs) > 0.01 ) {
954 SG_LOG( SG_GENERAL, SG_ALERT,
955 "Glideslope given but not altitude or offset-distance." );
956 SG_LOG( SG_GENERAL, SG_ALERT, "Resetting glideslope to zero" );
957 fgSetDouble("/sim/presets/glideslope-deg", 0);
958 fgSetBool("/sim/presets/onground", true);
963 // Set current_options lon/lat given an airport id and heading (degrees)
964 static bool fgSetPosFromNAV( const string& id, const double& freq ) {
965 FGNav *nav = current_navlist->findByIdentAndFreq( id.c_str(), freq );
967 // set initial position from runway and heading
969 SG_LOG( SG_GENERAL, SG_INFO, "Attempting to set starting position for "
970 << id << ":" << freq );
972 double lon = nav->get_lon();
973 double lat = nav->get_lat();
975 if ( fabs( fgGetDouble("/sim/presets/offset-distance") ) > SG_EPSILON )
977 double odist = fgGetDouble("/sim/presets/offset-distance")
979 double oaz = fabs(fgGetDouble("/sim/presets/offset-azimuth"))
981 while ( oaz >= 360.0 ) { oaz -= 360.0; }
982 double olat, olon, az2;
983 geo_direct_wgs_84 ( 0, lat, lon, oaz, odist, &olat, &olon, &az2 );
990 fgSetDouble("/sim/presets/longitude-deg", lon );
991 fgSetDouble("/sim/presets/latitude-deg", lat );
993 // other code depends on the actual values being set ...
994 fgSetDouble("/position/longitude-deg", lon );
995 fgSetDouble("/position/latitude-deg", lat );
996 fgSetDouble("/orientation/heading-deg",
997 fgGetDouble("/sim/presets/heading-deg") );
999 SG_LOG( SG_GENERAL, SG_INFO,
1000 "Position for " << id << ":" << freq << " is ("
1001 << lon << ", "<< lat << ")" );
1005 SG_LOG( SG_GENERAL, SG_ALERT, "Failed to locate NAV = "
1006 << id << ":" << freq );
1012 // Set current_options lon/lat given an airport id and heading (degrees)
1013 static bool fgSetPosFromFix( const string& id ) {
1016 // set initial position from runway and heading
1017 if ( current_fixlist->query( id.c_str(), &fix ) ) {
1018 SG_LOG( SG_GENERAL, SG_INFO, "Attempting to set starting position for "
1021 double lon = fix.get_lon();
1022 double lat = fix.get_lat();
1024 if ( fabs( fgGetDouble("/sim/presets/offset-distance") ) > SG_EPSILON )
1026 double odist = fgGetDouble("/sim/presets/offset-distance")
1028 double oaz = fabs(fgGetDouble("/sim/presets/offset-azimuth"))
1030 while ( oaz >= 360.0 ) { oaz -= 360.0; }
1031 double olat, olon, az2;
1032 geo_direct_wgs_84 ( 0, lat, lon, oaz, odist, &olat, &olon, &az2 );
1039 fgSetDouble("/sim/presets/longitude-deg", lon );
1040 fgSetDouble("/sim/presets/latitude-deg", lat );
1042 // other code depends on the actual values being set ...
1043 fgSetDouble("/position/longitude-deg", lon );
1044 fgSetDouble("/position/latitude-deg", lat );
1045 fgSetDouble("/orientation/heading-deg",
1046 fgGetDouble("/sim/presets/heading-deg") );
1048 SG_LOG( SG_GENERAL, SG_INFO,
1049 "Position for " << id << " is ("
1050 << lon << ", "<< lat << ")" );
1054 SG_LOG( SG_GENERAL, SG_ALERT, "Failed to locate NAV = "
1062 * Initialize vor/ndb/ils/fix list management and query systems
1067 SG_LOG(SG_GENERAL, SG_INFO, "Loading Navaids");
1069 SG_LOG(SG_GENERAL, SG_INFO, " VOR/NDB");
1070 current_navlist = new FGNavList;
1071 SGPath p_nav( globals->get_fg_root() );
1072 p_nav.append( "Navaids/default.nav" );
1073 current_navlist->init( p_nav );
1075 SG_LOG(SG_GENERAL, SG_INFO, " ILS and Marker Beacons");
1076 current_beacons = new FGMarkerBeacons;
1077 current_beacons->init();
1078 current_ilslist = new FGILSList;
1079 SGPath p_ils( globals->get_fg_root() );
1080 p_ils.append( "Navaids/default.ils" );
1081 current_ilslist->init( p_ils );
1083 SG_LOG(SG_GENERAL, SG_INFO, " Fixes");
1084 current_fixlist = new FGFixList;
1085 SGPath p_fix( globals->get_fg_root() );
1086 p_fix.append( "Navaids/default.fix" );
1087 current_fixlist->init( p_fix );
1093 // Set the initial position based on presets (or defaults)
1094 bool fgInitPosition() {
1095 bool set_pos = false;
1097 // If glideslope is specified, then calculate offset-distance or
1098 // altitude relative to glide slope if either of those was not
1100 fgSetDistOrAltFromGlideSlope();
1102 // If we have an explicit, in-range lon/lat, don't change it, just use it.
1103 // If not, check for an airport-id and use that.
1104 // If not, default to the middle of the KSFO field.
1105 // The default values for lon/lat are deliberately out of range
1106 // so that the airport-id can take effect; valid lon/lat will
1107 // override airport-id, however.
1108 double lon_deg = fgGetDouble("/sim/presets/longitude-deg");
1109 double lat_deg = fgGetDouble("/sim/presets/latitude-deg");
1110 if ( lon_deg >= -180.0 && lon_deg <= 180.0
1111 && lat_deg >= -90.0 && lat_deg <= 90.0 )
1116 string apt = fgGetString("/sim/presets/airport-id");
1117 string rwy_no = fgGetString("/sim/presets/runway");
1118 double hdg = fgGetDouble("/sim/presets/heading-deg");
1119 string vor = fgGetString("/sim/presets/vor-id");
1120 double vor_freq = fgGetDouble("/sim/presets/vor-freq");
1121 string ndb = fgGetString("/sim/presets/ndb-id");
1122 double ndb_freq = fgGetDouble("/sim/presets/ndb-freq");
1123 string fix = fgGetString("/sim/presets/fix");
1124 if ( !set_pos && !apt.empty() && !rwy_no.empty() ) {
1125 // An airport + runway is requested
1126 if ( fgSetPosFromAirportIDandRwy( apt, rwy_no ) ) {
1127 // set position (a little off the heading for single
1129 fgSetTowerPosFromAirportID( apt, hdg );
1134 if ( !set_pos && !apt.empty() ) {
1135 // An airport is requested (find runway closest to hdg)
1137 if (fgGetDouble("/sim/presets/altitude-ft") <= 0 &&
1138 fgGetDouble("/sim/presets/offset-distance") == 0)
1139 ok = fgSetPosFromAirportIDandHdg( apt, hdg );
1141 ok = fgSetPosFromAirportID( apt );
1144 // set position (a little off the heading for single
1146 fgSetTowerPosFromAirportID( apt, hdg );
1151 if ( !set_pos && !vor.empty() ) {
1152 // a VOR is requested
1153 if ( fgSetPosFromNAV( vor, vor_freq ) ) {
1154 if ( fgGetDouble("/sim/presets/altitude-ft") > -9990.0 ) {
1155 fgSetBool("/sim/presets/onground", false);
1157 fgSetBool("/sim/presets/onground", true);
1162 if ( !set_pos && !ndb.empty() ) {
1163 // an NDB is requested
1164 if ( fgSetPosFromNAV( ndb, ndb_freq ) ) {
1165 if ( fgGetDouble("/sim/presets/altitude-ft") > -9990.0 ) {
1166 fgSetBool("/sim/presets/onground", false);
1168 fgSetBool("/sim/presets/onground", true);
1173 if ( !set_pos && !fix.empty() ) {
1174 // a Fix is requested
1175 if ( fgSetPosFromFix( fix ) ) {
1176 if ( fgGetDouble("/sim/presets/altitude-ft") > -9990.0 ) {
1177 fgSetBool("/sim/presets/onground", false);
1179 fgSetBool("/sim/presets/onground", true);
1186 // No lon/lat specified, no airport specified, default to
1187 // middle of KSFO field.
1188 fgSetDouble("/sim/presets/longitude-deg", -122.374843);
1189 fgSetDouble("/sim/presets/latitude-deg", 37.619002);
1192 fgSetDouble( "/position/longitude-deg",
1193 fgGetDouble("/sim/presets/longitude-deg") );
1194 fgSetDouble( "/position/latitude-deg",
1195 fgGetDouble("/sim/presets/latitude-deg") );
1196 fgSetDouble( "/orientation/heading-deg",
1197 fgGetDouble("/sim/presets/heading-deg") );
1203 // General house keeping initializations
1204 bool fgInitGeneral() {
1207 #if defined(FX) && defined(XMESA)
1208 char *mesa_win_state;
1211 SG_LOG( SG_GENERAL, SG_INFO, "General Initialization" );
1212 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
1214 root = globals->get_fg_root();
1215 if ( ! root.length() ) {
1216 // No root path set? Then bail ...
1217 SG_LOG( SG_GENERAL, SG_ALERT,
1218 "Cannot continue without a path to the base package "
1219 << "being defined." );
1222 SG_LOG( SG_GENERAL, SG_INFO, "FG_ROOT = " << '"' << root << '"' << endl );
1224 #if defined(FX) && defined(XMESA)
1225 // initialize full screen flag
1226 globals->set_fullscreen(false);
1227 if ( strstr ( general.get_glRenderer(), "Glide" ) ) {
1228 // Test for the MESA_GLX_FX env variable
1229 if ( (mesa_win_state = getenv( "MESA_GLX_FX" )) != NULL) {
1230 // test if we are fullscreen mesa/glide
1231 if ( (mesa_win_state[0] == 'f') ||
1232 (mesa_win_state[0] == 'F') ) {
1233 globals->set_fullscreen(true);
1243 // Initialize the flight model subsystem. This just creates the
1244 // object. The actual fdm initialization is delayed until we get a
1245 // proper scenery elevation hit. This is checked for in main.cxx
1249 if ( cur_fdm_state ) {
1250 delete cur_fdm_state;
1254 double dt = 1.0 / fgGetInt("/sim/model-hz");
1255 aircraft_dir = fgGetString("/sim/aircraft-dir");
1256 const string &model = fgGetString("/sim/flight-model");
1259 if ( model == "larcsim" ) {
1260 cur_fdm_state = new FGLaRCsim( dt );
1261 } else if ( model == "jsb" ) {
1262 cur_fdm_state = new FGJSBsim( dt );
1263 } else if ( model == "ada" ) {
1264 cur_fdm_state = new FGADA( dt );
1265 } else if ( model == "balloon" ) {
1266 cur_fdm_state = new FGBalloonSim( dt );
1267 } else if ( model == "magic" ) {
1268 cur_fdm_state = new FGMagicCarpet( dt );
1269 } else if ( model == "ufo" ) {
1270 cur_fdm_state = new FGUFO( dt );
1271 } else if ( model == "external" ) {
1272 // external is a synonym for "--fdm=null" and is
1273 // maintained here for backwards compatibility
1274 cur_fdm_state = new FGNullFDM( dt );
1275 } else if ( model.find("network") == 0 ) {
1276 string host = "localhost";
1280 string net_options = model.substr(8);
1281 string::size_type begin, end;
1284 end = net_options.find( ",", begin );
1285 if ( end != string::npos ) {
1286 host = net_options.substr(begin, end - begin);
1290 end = net_options.find( ",", begin );
1291 if ( end != string::npos ) {
1292 port1 = atoi( net_options.substr(begin, end - begin).c_str() );
1296 end = net_options.find( ",", begin );
1297 if ( end != string::npos ) {
1298 port2 = atoi( net_options.substr(begin, end - begin).c_str() );
1302 end = net_options.find( ",", begin );
1303 if ( end != string::npos ) {
1304 port3 = atoi( net_options.substr(begin, end - begin).c_str() );
1307 cur_fdm_state = new FGExternalNet( dt, host, port1, port2, port3 );
1308 } else if ( model.find("pipe") == 0 ) {
1309 string pipe_path = model.substr(5);
1310 cur_fdm_state = new FGExternalPipe( dt, pipe_path );
1311 } else if ( model == "null" ) {
1312 cur_fdm_state = new FGNullFDM( dt );
1313 } else if ( model == "yasim" ) {
1314 cur_fdm_state = new YASim( dt );
1316 SG_LOG(SG_GENERAL, SG_ALERT,
1317 "Unrecognized flight model '" << model
1318 << "', cannot init flight dynamics model.");
1322 SG_LOG(SG_GENERAL, SG_ALERT, "FlightGear aborting\n\n");
1327 static void printMat(const sgVec4 *mat, char *name="")
1330 cout << name << endl;
1331 for(i=0; i<4; i++) {
1332 cout <<" "<<mat[i][0]<<" "<<mat[i][1]<<" "<<mat[i][2]<<" "<<mat[i][3]<<endl;
1337 // Initialize view parameters
1339 // force update of model so that viewer can get some data...
1340 globals->get_aircraft_model()->update(0);
1341 // run update for current view so that data is current...
1342 globals->get_viewmgr()->update(0);
1344 printMat(globals->get_current_view()->get_VIEW(),"VIEW");
1345 printMat(globals->get_current_view()->get_UP(),"UP");
1346 // printMat(globals->get_current_view()->get_LOCAL(),"LOCAL");
1351 SGTime *fgInitTime() {
1353 static const SGPropertyNode *longitude
1354 = fgGetNode("/position/longitude-deg");
1355 static const SGPropertyNode *latitude
1356 = fgGetNode("/position/latitude-deg");
1357 static const SGPropertyNode *cur_time_override
1358 = fgGetNode("/sim/time/cur-time-override", true);
1360 SGPath zone( globals->get_fg_root() );
1361 zone.append( "Timezone" );
1362 SGTime *t = new SGTime( longitude->getDoubleValue()
1363 * SGD_DEGREES_TO_RADIANS,
1364 latitude->getDoubleValue()
1365 * SGD_DEGREES_TO_RADIANS,
1367 cur_time_override->getLongValue() );
1369 // Handle potential user specified time offsets
1370 time_t cur_time = t->get_cur_time();
1371 time_t currGMT = sgTimeGetGMT( gmtime(&cur_time) );
1372 time_t systemLocalTime = sgTimeGetGMT( localtime(&cur_time) );
1373 time_t aircraftLocalTime =
1374 sgTimeGetGMT( fgLocaltime(&cur_time, t->get_zonename() ) );
1376 // Okay, we now have six possible scenarios
1377 int offset = fgGetInt("/sim/startup/time-offset");
1378 const string &offset_type = fgGetString("/sim/startup/time-offset-type");
1379 if (offset_type == "system-offset") {
1380 globals->set_warp( offset );
1381 } else if (offset_type == "gmt-offset") {
1382 globals->set_warp( offset - (currGMT - systemLocalTime) );
1383 } else if (offset_type == "latitude-offset") {
1384 globals->set_warp( offset - (aircraftLocalTime - systemLocalTime) );
1385 } else if (offset_type == "system") {
1386 globals->set_warp( offset - cur_time );
1387 } else if (offset_type == "gmt") {
1388 globals->set_warp( offset - currGMT );
1389 } else if (offset_type == "latitude") {
1390 globals->set_warp( offset - (aircraftLocalTime - systemLocalTime) -
1393 SG_LOG( SG_GENERAL, SG_ALERT,
1394 "FG_TIME::Unsupported offset type " << offset_type );
1398 SG_LOG( SG_GENERAL, SG_INFO, "After time init, warp = "
1399 << globals->get_warp() );
1401 globals->set_warp_delta( 0 );
1403 t->update( 0.0, 0.0,
1404 cur_time_override->getLongValue(),
1405 globals->get_warp() );
1411 // This is the top level init routine which calls all the other
1412 // initialization routines. If you are adding a subsystem to flight
1413 // gear, its initialization call should located in this routine.
1414 // Returns non-zero if a problem encountered.
1415 bool fgInitSubsystems() {
1416 static const SGPropertyNode *longitude
1417 = fgGetNode("/sim/presets/longitude-deg");
1418 static const SGPropertyNode *latitude
1419 = fgGetNode("/sim/presets/latitude-deg");
1420 static const SGPropertyNode *altitude
1421 = fgGetNode("/sim/presets/altitude-ft");
1423 fgLIGHT *l = &cur_light_params;
1425 SG_LOG( SG_GENERAL, SG_INFO, "Initialize Subsystems");
1426 SG_LOG( SG_GENERAL, SG_INFO, "========== ==========");
1429 ////////////////////////////////////////////////////////////////////
1430 // Initialize the material property subsystem.
1431 ////////////////////////////////////////////////////////////////////
1433 SGPath mpath( globals->get_fg_root() );
1434 mpath.append( "materials.xml" );
1435 if ( ! material_lib.load( mpath.str() ) ) {
1436 SG_LOG( SG_GENERAL, SG_ALERT, "Error loading material lib!" );
1440 ////////////////////////////////////////////////////////////////////
1441 // Initialize the event manager subsystem.
1442 ////////////////////////////////////////////////////////////////////
1444 global_events.init();
1446 // Output event stats every 60 seconds
1447 global_events.Register( "FGEventMgr::print_stats()",
1448 &global_events, &FGEventMgr::print_stats,
1452 ////////////////////////////////////////////////////////////////////
1453 // Initialize the scenery management subsystem.
1454 ////////////////////////////////////////////////////////////////////
1456 if ( globals->get_tile_mgr()->init() ) {
1457 // Load the local scenery data
1458 double visibility_meters = fgGetDouble("/environment/visibility-m");
1460 globals->get_tile_mgr()->update( visibility_meters );
1462 SG_LOG( SG_GENERAL, SG_ALERT, "Error in Tile Manager initialization!" );
1466 // cause refresh of viewer scenery timestamps every 15 seconds...
1467 global_events.Register( "FGTileMgr::refresh_view_timestamps()",
1468 globals->get_tile_mgr(),
1469 &FGTileMgr::refresh_view_timestamps,
1472 SG_LOG( SG_GENERAL, SG_DEBUG,
1473 "Current terrain elevation after tile mgr init " <<
1474 globals->get_scenery()->get_cur_elev() );
1477 ////////////////////////////////////////////////////////////////////
1478 // Initialize the flight model subsystem.
1479 ////////////////////////////////////////////////////////////////////
1483 // allocates structures so must happen before any of the flight
1484 // model or control parameters are set
1485 fgAircraftInit(); // In the future this might not be the case.
1488 ////////////////////////////////////////////////////////////////////
1489 // Initialize the view manager subsystem.
1490 ////////////////////////////////////////////////////////////////////
1495 ////////////////////////////////////////////////////////////////////
1496 // Initialize the lighting subsystem.
1497 ////////////////////////////////////////////////////////////////////
1499 // fgUpdateSunPos() needs a few position and view parameters set
1500 // so it can calculate local relative sun angle and a few other
1501 // things for correctly orienting the sky.
1504 global_events.Register( "fgUpdateSunPos()", &fgUpdateSunPos,
1506 global_events.Register( "fgUpdateMoonPos()", &fgUpdateMoonPos,
1509 // Initialize Lighting interpolation tables
1512 // force one lighting update to make it right to start with...
1514 // update the lighting parameters (based on sun angle)
1515 global_events.Register( "fgLight::Update()",
1516 &cur_light_params, &fgLIGHT::Update,
1520 ////////////////////////////////////////////////////////////////////
1521 // Create and register the logger.
1522 ////////////////////////////////////////////////////////////////////
1524 globals->add_subsystem("logger", new FGLogger);
1527 #if defined(HAVE_PLIB_PSL)
1528 ////////////////////////////////////////////////////////////////////
1529 // Create and register the script manager.
1530 ////////////////////////////////////////////////////////////////////
1532 globals->add_subsystem("scripting", new FGScriptMgr);
1533 #endif // HAVE_PLIB_PSL
1536 ////////////////////////////////////////////////////////////////////
1537 // Create and register the XML GUI.
1538 ////////////////////////////////////////////////////////////////////
1540 globals->add_subsystem("gui", new NewGUI, FGSubsystemMgr::INIT);
1543 ////////////////////////////////////////////////////////////////////
1544 // Initialize the local time subsystem.
1545 ////////////////////////////////////////////////////////////////////
1547 // update the current timezone each 30 minutes
1548 global_events.Register( "fgUpdateLocalTime()", &fgUpdateLocalTime,
1552 ////////////////////////////////////////////////////////////////////
1553 // Initialize the weather subsystem.
1554 ////////////////////////////////////////////////////////////////////
1556 // Initialize the weather modeling subsystem
1558 // Initialize the WeatherDatabase
1559 SG_LOG(SG_GENERAL, SG_INFO, "Creating LocalWeatherDatabase");
1561 sgSetVec3( position, current_aircraft.fdm_state->get_Latitude(),
1562 current_aircraft.fdm_state->get_Longitude(),
1563 current_aircraft.fdm_state->get_Altitude() * SG_FEET_TO_METER );
1564 double init_vis = fgGetDouble("/environment/visibility-m");
1566 FGLocalWeatherDatabase::DatabaseWorkingType working_type;
1568 if (!strcmp(fgGetString("/environment/weather/working-type"), "internet"))
1570 working_type = FGLocalWeatherDatabase::use_internet;
1572 working_type = FGLocalWeatherDatabase::default_mode;
1575 if ( init_vis > 0 ) {
1576 FGLocalWeatherDatabase::theFGLocalWeatherDatabase =
1577 new FGLocalWeatherDatabase( position,
1578 globals->get_fg_root(),
1582 FGLocalWeatherDatabase::theFGLocalWeatherDatabase =
1583 new FGLocalWeatherDatabase( position,
1584 globals->get_fg_root(),
1588 // cout << theFGLocalWeatherDatabase << endl;
1589 // cout << "visibility = "
1590 // << theFGLocalWeatherDatabase->getWeatherVisibility() << endl;
1592 WeatherDatabase = FGLocalWeatherDatabase::theFGLocalWeatherDatabase;
1594 // register the periodic update of the weather
1595 global_events.Register( "weather update", &fgUpdateWeatherDatabase,
1598 globals->get_environment_mgr()->init();
1599 globals->get_environment_mgr()->bind();
1602 #ifdef FG_USE_CLOUDS_3D
1603 ////////////////////////////////////////////////////////////////////
1604 // Initialize the 3D cloud subsystem.
1605 ////////////////////////////////////////////////////////////////////
1606 if ( fgGetBool("/sim/rendering/clouds3d") ) {
1607 SGPath cloud_path(globals->get_fg_root());
1608 cloud_path.append("large.sky");
1609 SG_LOG(SG_GENERAL, SG_INFO, "Loading CLOUDS3d from: " << cloud_path.c_str());
1610 if ( !sgCloud3d->Load( cloud_path.str(),
1611 latitude->getDoubleValue(),
1612 longitude->getDoubleValue()) )
1614 fgSetBool("/sim/rendering/clouds3d", false);
1615 SG_LOG(SG_GENERAL, SG_INFO, "CLOUDS3d FAILED: ");
1617 SG_LOG(SG_GENERAL, SG_INFO, "CLOUDS3d Loaded: ");
1621 ////////////////////////////////////////////////////////////////////
1622 // Initialise ATC display system
1623 ////////////////////////////////////////////////////////////////////
1625 SG_LOG(SG_GENERAL, SG_INFO, " ATC Display");
1626 globals->set_ATC_display(new FGATCDisplay);
1627 globals->get_ATC_display()->init();
1629 ////////////////////////////////////////////////////////////////////
1630 // Initialise the ATC Manager
1631 ////////////////////////////////////////////////////////////////////
1633 SG_LOG(SG_GENERAL, SG_INFO, " ATC Manager");
1634 globals->set_ATC_mgr(new FGATCMgr);
1635 globals->get_ATC_mgr()->init();
1637 ////////////////////////////////////////////////////////////////////
1638 // Initialise the AI Manager
1639 ////////////////////////////////////////////////////////////////////
1641 if (fgGetBool("/sim/ai-traffic/enabled")) {
1642 SG_LOG(SG_GENERAL, SG_INFO, " AI Manager");
1643 globals->set_AI_mgr(new FGAIMgr);
1644 globals->get_AI_mgr()->init();
1647 #ifdef ENABLE_AUDIO_SUPPORT
1648 ////////////////////////////////////////////////////////////////////
1649 // Initialize the sound subsystem.
1650 ////////////////////////////////////////////////////////////////////
1652 globals->set_soundmgr(new FGSoundMgr);
1653 globals->get_soundmgr()->init();
1654 globals->get_soundmgr()->bind();
1657 ////////////////////////////////////////////////////////////////////
1658 // Initialize the sound-effects subsystem.
1659 ////////////////////////////////////////////////////////////////////
1661 globals->add_subsystem("fx", new FGFX);
1665 globals->add_subsystem("instrumentation", new FGInstrumentMgr);
1666 globals->add_subsystem("systems", new FGSystemMgr);
1668 ////////////////////////////////////////////////////////////////////
1669 // Initialize the radio stack subsystem.
1670 ////////////////////////////////////////////////////////////////////
1672 current_radiostack = new FGRadioStack;
1673 current_radiostack->init();
1674 current_radiostack->bind();
1677 ////////////////////////////////////////////////////////////////////
1678 // Initialize the cockpit subsystem
1679 ////////////////////////////////////////////////////////////////////
1681 if( fgCockpitInit( ¤t_aircraft )) {
1682 // Cockpit initialized ok.
1684 SG_LOG( SG_GENERAL, SG_ALERT, "Error in Cockpit initialization!" );
1689 ////////////////////////////////////////////////////////////////////
1690 // Initialize the autopilot subsystem.
1691 ////////////////////////////////////////////////////////////////////
1693 globals->set_autopilot(new FGAutopilot);
1694 globals->get_autopilot()->init();
1695 globals->get_autopilot()->bind();
1697 // FIXME: these should go in the
1698 // GUI initialization code, not here.
1700 NewTgtAirportInit();
1704 ////////////////////////////////////////////////////////////////////
1705 // Initialize I/O subsystem.
1706 ////////////////////////////////////////////////////////////////////
1708 globals->get_io()->init();
1709 globals->get_io()->bind();
1711 // Initialize the 2D panel.
1712 string panel_path = fgGetString("/sim/panel/path",
1713 "Panels/Default/default.xml");
1714 current_panel = fgReadPanel(panel_path);
1715 if (current_panel == 0) {
1716 SG_LOG( SG_INPUT, SG_ALERT,
1717 "Error reading new panel from " << panel_path );
1719 SG_LOG( SG_INPUT, SG_INFO, "Loaded new panel from " << panel_path );
1720 current_panel->init();
1721 current_panel->bind();
1725 ////////////////////////////////////////////////////////////////////
1726 // Initialize the default (kludged) properties.
1727 ////////////////////////////////////////////////////////////////////
1732 ////////////////////////////////////////////////////////////////////
1733 // Initialize the controls subsystem.
1734 ////////////////////////////////////////////////////////////////////
1736 globals->get_controls()->init();
1737 globals->get_controls()->bind();
1740 ////////////////////////////////////////////////////////////////////
1741 // Initialize the input subsystem.
1742 ////////////////////////////////////////////////////////////////////
1744 globals->add_subsystem("input", new FGInput);
1747 ////////////////////////////////////////////////////////////////////
1748 // Bind and initialize subsystems.
1749 ////////////////////////////////////////////////////////////////////
1751 globals->get_subsystem_mgr()->bind();
1752 globals->get_subsystem_mgr()->init();
1755 #ifdef FG_MPLAYER_AS
1756 ////////////////////////////////////////////////////////////////////
1757 // Initialize multiplayer subsystem
1758 ////////////////////////////////////////////////////////////////////
1760 globals->set_multiplayer_tx_mgr(new FGMultiplayTxMgr);
1761 globals->get_multiplayer_tx_mgr()->init();
1763 globals->set_multiplayer_rx_mgr(new FGMultiplayRxMgr);
1764 globals->get_multiplayer_rx_mgr()->init();
1767 ////////////////////////////////////////////////////////////////////////
1768 // End of subsystem initialization.
1769 ////////////////////////////////////////////////////////////////////
1771 SG_LOG( SG_GENERAL, SG_INFO, endl);
1773 // Save the initial state for future
1775 globals->saveInitialState();
1781 void fgReInitSubsystems()
1783 static const SGPropertyNode *longitude
1784 = fgGetNode("/sim/presets/longitude-deg");
1785 static const SGPropertyNode *latitude
1786 = fgGetNode("/sim/presets/latitude-deg");
1787 static const SGPropertyNode *altitude
1788 = fgGetNode("/sim/presets/altitude-ft");
1789 static const SGPropertyNode *master_freeze
1790 = fgGetNode("/sim/freeze/master");
1792 SG_LOG( SG_GENERAL, SG_INFO,
1793 "fgReInitSubsystems(): /position/altitude = "
1794 << altitude->getDoubleValue() );
1796 bool freeze = master_freeze->getBoolValue();
1798 fgSetBool("/sim/freeze/master", true);
1801 // Initialize the FDM
1804 // allocates structures so must happen before any of the flight
1805 // model or control parameters are set
1806 fgAircraftInit(); // In the future this might not be the case.
1808 // reload offsets from config defaults
1809 globals->get_viewmgr()->reinit();
1813 globals->get_controls()->reset_all();
1814 globals->get_autopilot()->reset();
1818 cur_light_params.Update();
1819 fgUpdateLocalTime();
1822 fgSetBool("/sim/freeze/master", false);