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/atislist.hxx>
80 #include <ATC/towerlist.hxx>
81 #include <ATC/approachlist.hxx>
82 #include <ATC/AIMgr.hxx>
83 #include <Autopilot/auto_gui.hxx>
84 #include <Autopilot/newauto.hxx>
85 #include <Cockpit/cockpit.hxx>
86 #include <Cockpit/radiostack.hxx>
87 #include <Cockpit/steam.hxx>
88 #include <Cockpit/panel.hxx>
89 #include <Cockpit/panel_io.hxx>
90 #include <FDM/ADA.hxx>
91 #include <FDM/Balloon.h>
92 #include <FDM/ExternalNet/ExternalNet.hxx>
93 #include <FDM/JSBSim/JSBSim.hxx>
94 #include <FDM/LaRCsim.hxx>
95 #include <FDM/MagicCarpet.hxx>
96 #include <FDM/UFO.hxx>
97 #include <FDM/NullFDM.hxx>
98 #include <FDM/YASim/YASim.hxx>
99 #include <GUI/new_gui.hxx>
100 #include <Include/general.hxx>
101 #include <Input/input.hxx>
102 #include <Instrumentation/instrument_mgr.hxx>
103 // #include <Joystick/joystick.hxx>
104 #include <Objects/matlib.hxx>
105 #include <Model/acmodel.hxx>
106 #include <Navaids/fixlist.hxx>
107 #include <Navaids/ilslist.hxx>
108 #include <Navaids/mkrbeacons.hxx>
109 #include <Navaids/navlist.hxx>
110 #include <Scenery/scenery.hxx>
111 #include <Scenery/tilemgr.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 <WeatherCM/FGLocalWeatherDatabase.h>
124 # include <Environment/environment_mgr.hxx>
127 #include "fg_init.hxx"
129 #include "fg_commands.hxx"
130 #include "fg_props.hxx"
131 #include "options.hxx"
132 #include "globals.hxx"
133 #include "logger.hxx"
134 #include "viewmgr.hxx"
136 #if defined(FX) && defined(XMESA)
137 #include <GL/xmesa.h>
140 SG_USING_STD(string);
142 extern const char *default_root;
144 #ifdef FG_USE_CLOUDS_3D
145 SkySceneLoader *sgCloud3d;
149 // Scan the command line options for the specified option and return
151 static string fgScanForOption( const string& option, int argc, char **argv ) {
154 SG_LOG(SG_GENERAL, SG_INFO, "Scanning command line for: " << option );
156 int len = option.length();
159 SG_LOG( SG_GENERAL, SG_DEBUG, "argv[" << i << "] = " << argv[i] );
161 string arg = argv[i];
162 if ( arg.find( option ) == 0 ) {
163 return arg.substr( len );
173 // Scan the user config files for the specified option and return
175 static string fgScanForOption( const string& option, const string& path ) {
176 sg_gzifstream in( path );
177 if ( !in.is_open() ) {
181 SG_LOG( SG_GENERAL, SG_INFO, "Scanning " << path << " for: " << option );
183 int len = option.length();
187 while ( ! in.eof() ) {
190 while ( in.get(c) && c != '\0' ) {
195 #if defined( macintosh )
196 getline( in, line, '\r' );
198 getline( in, line, '\n' );
201 // catch extraneous (DOS) line ending character
202 if ( line[line.length() - 1] < 32 ) {
203 line = line.substr( 0, line.length()-1 );
206 if ( line.find( option ) == 0 ) {
207 return line.substr( len );
217 // Read in configuration (files and command line options) but only set
219 bool fgInitFGRoot ( int argc, char **argv ) {
223 // First parse command line options looking for --fg-root=, this
224 // will override anything specified in a config file
225 root = fgScanForOption( "--fg-root=", argc, argv);
227 #if defined( unix ) || defined( __CYGWIN__ )
228 // Next check home directory for .fgfsrc.hostname file
229 if ( root.empty() ) {
230 envp = ::getenv( "HOME" );
231 if ( envp != NULL ) {
232 SGPath config( envp );
233 config.append( ".fgfsrc" );
235 gethostname( name, 256 );
236 config.concat( "." );
237 config.concat( name );
238 root = fgScanForOption( "--fg-root=", config.str() );
243 // Next check home directory for .fgfsrc file
244 if ( root.empty() ) {
245 envp = ::getenv( "HOME" );
246 if ( envp != NULL ) {
247 SGPath config( envp );
248 config.append( ".fgfsrc" );
249 root = fgScanForOption( "--fg-root=", config.str() );
253 // Next check if fg-root is set as an env variable
254 if ( root.empty() ) {
255 envp = ::getenv( "FG_ROOT" );
256 if ( envp != NULL ) {
261 // Otherwise, default to a random compiled-in location if we can't
262 // find fg-root any other way.
263 if ( root.empty() ) {
264 #if defined( __CYGWIN__ )
265 root = "/FlightGear";
266 #elif defined( WIN32 )
267 root = "\\FlightGear";
268 #elif defined( macintosh )
275 SG_LOG(SG_INPUT, SG_INFO, "fg_root = " << root );
276 globals->set_fg_root(root);
282 // Read in configuration (files and command line options) but only set
284 bool fgInitFGAircraft ( int argc, char **argv ) {
288 // First parse command line options looking for --aircraft=, this
289 // will override anything specified in a config file
290 aircraft = fgScanForOption( "--aircraft=", argc, argv );
292 #if defined( unix ) || defined( __CYGWIN__ )
293 // Next check home directory for .fgfsrc.hostname file
294 if ( aircraft.empty() ) {
295 envp = ::getenv( "HOME" );
296 if ( envp != NULL ) {
297 SGPath config( envp );
298 config.append( ".fgfsrc" );
300 gethostname( name, 256 );
301 config.concat( "." );
302 config.concat( name );
303 aircraft = fgScanForOption( "--aircraft=", config.str() );
308 // Next check home directory for .fgfsrc file
309 if ( aircraft.empty() ) {
310 envp = ::getenv( "HOME" );
311 if ( envp != NULL ) {
312 SGPath config( envp );
313 config.append( ".fgfsrc" );
314 aircraft = fgScanForOption( "--aircraft=", config.str() );
318 // if an aircraft was specified, set the property name
319 if ( !aircraft.empty() ) {
320 SG_LOG(SG_INPUT, SG_INFO, "aircraft = " << aircraft );
321 fgSetString("/sim/aircraft", aircraft.c_str() );
323 SG_LOG(SG_INPUT, SG_INFO, "No user specified aircraft, using default" );
330 // Return the current base package version
331 string fgBasePackageVersion() {
332 SGPath base_path( globals->get_fg_root() );
333 base_path.append("version");
335 sg_gzifstream in( base_path.str() );
336 if ( !in.is_open() ) {
337 SGPath old_path( globals->get_fg_root() );
338 old_path.append( "Thanks" );
339 sg_gzifstream old( old_path.str() );
340 if ( !old.is_open() ) {
343 return "[old version]";
354 // Initialize the localization
355 SGPropertyNode *fgInitLocale(const char *language) {
356 SGPropertyNode *c_node = NULL, *d_node = NULL;
357 SGPropertyNode *intl = fgGetNode("/sim/intl");
359 SG_LOG(SG_GENERAL, SG_INFO, "Selecting language: " << language );
361 // localization not defined
366 // Select the proper language from the list
368 vector<SGPropertyNode_ptr> locale = intl->getChildren("locale");
369 for (unsigned int i = 0; i < locale.size(); i++) {
371 vector<SGPropertyNode_ptr> lang = locale[i]->getChildren("lang");
372 for (unsigned int j = 0; j < lang.size(); j++) {
374 if (!strcmp(lang[j]->getStringValue(), language)) {
383 d_node = intl->getChild("locale");
387 // Check for localized font
388 SGPropertyNode *font_n = c_node->getNode("font", true);
389 if ( !strcmp(font_n->getStringValue(), "") )
390 font_n->setStringValue(d_node->getStringValue("font", "typewriter.txf"));
394 // Load the default strings
396 SGPath d_path( globals->get_fg_root() );
398 const char *d_path_str = d_node->getStringValue("strings");
400 SG_LOG(SG_GENERAL, SG_ALERT, "Incorrect path in configuration file.");
404 d_path.append(d_path_str);
405 SG_LOG(SG_GENERAL, SG_INFO, "Reading localized strings from "
408 SGPropertyNode *strings = c_node->getNode("strings");
410 readProperties(d_path.str(), strings);
411 } catch (const sg_exception &e) {
412 SG_LOG(SG_GENERAL, SG_ALERT, "Unable to read the localized strings");
417 // Load the language specific strings
419 if (c_node != d_node) {
420 SGPath c_path( globals->get_fg_root() );
422 const char *c_path_str = c_node->getStringValue("strings");
424 SG_LOG(SG_GENERAL, SG_ALERT, "Incorrect path in configuration file.");
428 c_path.append(c_path_str);
429 SG_LOG(SG_GENERAL, SG_INFO, "Reading localized strings from "
433 readProperties(c_path.str(), strings);
434 } catch (const sg_exception &e) {
435 SG_LOG(SG_GENERAL, SG_ALERT, "Unable to read the localized strings");
445 // Initialize the localization routines
446 bool fgDetectLanguage() {
447 char *language = ::getenv("LANG");
449 if (language == NULL) {
450 SG_LOG(SG_GENERAL, SG_INFO, "Unable to detect the language" );
454 SGPropertyNode *locale = fgInitLocale(language);
456 cerr << "No internationalization settings specified in preferences.xml"
462 globals->set_locale( locale );
467 // Attempt to locate and parse the various non-XML config files in order
468 // from least precidence to greatest precidence
470 do_options (int argc, char ** argv)
472 // Check for $fg_root/system.fgfsrc
473 SGPath config( globals->get_fg_root() );
474 config.append( "system.fgfsrc" );
475 fgParseOptions(config.str());
477 #if defined( unix ) || defined( __CYGWIN__ )
479 // Check for $fg_root/system.fgfsrc.hostname
480 gethostname( name, 256 );
481 config.concat( "." );
482 config.concat( name );
483 fgParseOptions(config.str());
486 // Check for ~/.fgfsrc
487 char* envp = ::getenv( "HOME" );
488 if ( envp != NULL ) {
490 config.append( ".fgfsrc" );
491 fgParseOptions(config.str());
494 #if defined( unix ) || defined( __CYGWIN__ )
495 // Check for ~/.fgfsrc.hostname
496 gethostname( name, 256 );
497 config.concat( "." );
498 config.concat( name );
499 fgParseOptions(config.str());
502 // Parse remaining command line options
503 // These will override anything specified in a config file
504 fgParseArgs(argc, argv);
508 // Read in configuration (file and command line)
509 bool fgInitConfig ( int argc, char **argv ) {
511 // First, set some sane default values
514 // Read global preferences from $FG_ROOT/preferences.xml
515 SG_LOG(SG_INPUT, SG_INFO, "Reading global preferences");
516 fgLoadProps("preferences.xml", globals->get_props());
517 SG_LOG(SG_INPUT, SG_INFO, "Finished Reading global preferences");
519 // Detect the required language as early as possible
520 if ( !fgDetectLanguage() ) {
524 // Scan user config files and command line for a specified aircraft.
525 fgInitFGAircraft(argc, argv);
527 string aircraft = fgGetString("/sim/aircraft", "");
528 if ( aircraft.size() > 0 ) {
529 SGPath aircraft_path(globals->get_fg_root());
530 aircraft_path.append("Aircraft");
531 aircraft_path.append(aircraft);
532 aircraft_path.concat("-set.xml");
533 SG_LOG(SG_INPUT, SG_INFO, "Reading default aircraft: " << aircraft
534 << " from " << aircraft_path.str());
536 readProperties(aircraft_path.str(), globals->get_props());
537 } catch (const sg_exception &e) {
538 string message = "Error reading default aircraft: ";
539 message += e.getFormattedMessage();
540 SG_LOG(SG_INPUT, SG_ALERT, message);
544 SG_LOG(SG_INPUT, SG_ALERT, "No default aircraft specified");
547 // parse options after loading aircraft to ensure any user
548 // overrides of defaults are honored.
549 do_options(argc, argv);
555 // find basic airport location info from airport database
556 bool fgFindAirportID( const string& id, FGAirport *a ) {
558 SGPath path( globals->get_fg_root() );
559 path.append( "Airports" );
560 path.append( "simple.mk4" );
561 FGAirports airports( path.c_str() );
563 SG_LOG( SG_GENERAL, SG_INFO, "Searching for airport code = " << id );
565 if ( ! airports.search( id, a ) ) {
566 SG_LOG( SG_GENERAL, SG_ALERT,
567 "Failed to find " << id << " in " << path.str() );
574 SG_LOG( SG_GENERAL, SG_INFO,
575 "Position for " << id << " is ("
576 << a->longitude << ", "
577 << a->latitude << ")" );
583 // get airport elevation
584 static double fgGetAirportElev( const string& id ) {
588 SG_LOG( SG_GENERAL, SG_INFO,
589 "Finding elevation for airport: " << id );
591 if ( fgFindAirportID( id, &a ) ) {
599 // Preset lon/lat given an airport id
600 static bool fgSetPosFromAirportID( const string& id ) {
604 SG_LOG( SG_GENERAL, SG_INFO,
605 "Attempting to set starting position from airport code " << id );
607 if ( fgFindAirportID( id, &a ) ) {
609 fgSetDouble("/sim/presets/longitude-deg", a.longitude );
610 fgSetDouble("/sim/presets/latitude-deg", a.latitude );
612 // other code depends on the actual postition being set so set
614 fgSetDouble("/position/longitude-deg", a.longitude );
615 fgSetDouble("/position/latitude-deg", a.latitude );
617 SG_LOG( SG_GENERAL, SG_INFO,
618 "Position for " << id << " is (" << a.longitude
619 << ", " << a.latitude << ")" );
628 // Set current tower position lon/lat given an airport id
629 static bool fgSetTowerPosFromAirportID( const string& id, double hdg ) {
631 // tower height hard coded for now...
632 float towerheight=50.0f;
634 // make a little off the heading for 1 runway airports...
635 float fudge_lon = fabs(sin(hdg)) * .003f;
636 float fudge_lat = .003f - fudge_lon;
638 if ( fgFindAirportID( id, &a ) ) {
639 fgSetDouble("/sim/tower/longitude-deg", a.longitude + fudge_lon);
640 fgSetDouble("/sim/tower/latitude-deg", a.latitude + fudge_lat);
641 fgSetDouble("/sim/tower/altitude-ft", a.elevation + towerheight);
650 // Set current_options lon/lat given an airport id and heading (degrees)
651 static bool fgSetPosFromAirportIDandHdg( const string& id, double tgt_hdg ) {
654 double found_dir = 0.0;
657 // set initial position from runway and heading
659 SGPath path( globals->get_fg_root() );
660 path.append( "Airports" );
661 path.append( "runways.mk4" );
662 FGRunways runways( path.c_str() );
664 SG_LOG( SG_GENERAL, SG_INFO,
665 "Attempting to set starting position from runway code "
666 << id << " heading " << tgt_hdg );
668 if ( ! runways.search( id, &r ) ) {
669 SG_LOG( SG_GENERAL, SG_ALERT,
670 "Failed to find " << id << " in database." );
675 double min_diff = 360.0;
677 while ( r.id == id ) {
679 diff = tgt_hdg - r.heading;
680 while ( diff < -180.0 ) { diff += 360.0; }
681 while ( diff > 180.0 ) { diff -= 360.0; }
683 SG_LOG( SG_GENERAL, SG_INFO,
684 "Runway " << r.rwy_no << " heading = " << r.heading <<
685 " diff = " << diff );
686 if ( diff < min_diff ) {
693 diff = tgt_hdg - r.heading - 180.0;
694 while ( diff < -180.0 ) { diff += 360.0; }
695 while ( diff > 180.0 ) { diff -= 360.0; }
697 SG_LOG( SG_GENERAL, SG_INFO,
698 "Runway -" << r.rwy_no << " heading = " <<
700 " diff = " << diff );
701 if ( diff < min_diff ) {
710 SG_LOG( SG_GENERAL, SG_INFO, "closest runway = " << found_r.rwy_no
711 << " + " << found_dir );
717 double heading = found_r.heading + found_dir;
718 while ( heading >= 360.0 ) { heading -= 360.0; }
720 double lat2, lon2, az2;
721 double azimuth = found_r.heading + found_dir + 180.0;
722 while ( azimuth >= 360.0 ) { azimuth -= 360.0; }
724 SG_LOG( SG_GENERAL, SG_INFO,
725 "runway = " << found_r.lon << ", " << found_r.lat
726 << " length = " << found_r.length * SG_FEET_TO_METER * 0.5
727 << " heading = " << azimuth );
729 geo_direct_wgs_84 ( 0, found_r.lat, found_r.lon,
730 azimuth, found_r.length * SG_FEET_TO_METER * 0.5 - 5.0,
731 &lat2, &lon2, &az2 );
733 if ( fabs( fgGetDouble("/sim/presets/offset-distance") ) > SG_EPSILON ) {
735 double odist = fgGetDouble("/sim/presets/offset-distance");
736 odist *= SG_NM_TO_METER;
737 double oaz = azimuth;
738 if ( fabs(fgGetDouble("/sim/presets/offset-azimuth")) > SG_EPSILON ) {
739 oaz = fgGetDouble("/sim/presets/offset-azimuth") + 180;
741 while ( oaz >= 360.0 ) { oaz -= 360.0; }
742 geo_direct_wgs_84 ( 0, lat2, lon2, oaz, odist, &olat, &olon, &az2 );
748 fgSetDouble("/sim/presets/longitude-deg", lon2 );
749 fgSetDouble("/sim/presets/latitude-deg", lat2 );
750 fgSetDouble("/sim/presets/heading-deg", heading );
752 // other code depends on the actual values being set ...
753 fgSetDouble("/position/longitude-deg", lon2 );
754 fgSetDouble("/position/latitude-deg", lat2 );
755 fgSetDouble("/orientation/heading-deg", heading );
757 SG_LOG( SG_GENERAL, SG_INFO,
758 "Position for " << id << " is ("
760 << lat2 << ") new heading is "
767 // Set current_options lon/lat given an airport id and heading (degrees)
768 static bool fgSetPosFromAirportIDandRwy( const string& id, const string& rwy ) {
771 double heading = 0.0;
775 // standardize input number
776 string tmp = rwy.substr(1, 1);
777 if ( tmp == "L" || tmp == "R" || tmp == "C" ) {
785 // set initial position from runway and heading
787 SGPath path( globals->get_fg_root() );
788 path.append( "Airports" );
789 path.append( "runways.mk4" );
790 FGRunways runways( path.c_str() );
792 SG_LOG( SG_GENERAL, SG_INFO,
793 "Attempting to set starting position for "
794 << id << ":" << runway );
796 if ( ! runways.search( id, &r ) ) {
797 SG_LOG( SG_GENERAL, SG_ALERT,
798 "Failed to find " << id << " in database." );
802 while ( r.id == id ) {
804 if ( r.rwy_no == runway ) {
808 SG_LOG( SG_GENERAL, SG_INFO,
809 "Runway " << r.rwy_no << " heading = " << heading );
812 // calculate reciprocal runway number
813 string snum = r.rwy_no;
814 int len = snum.length();
816 string rev_letter = "";
818 for ( i = 0; i < len; ++i ) {
819 string tmp = snum.substr(i, 1);
823 } else if ( tmp == "R" ) {
826 } else if ( tmp == "C" ) {
831 for ( i = 0; i < len; ++i ) {
832 string tmp = snum.substr(i, 1);
833 if ( tmp == "L" || tmp == "R" || tmp == "C" || tmp == " " ) {
834 snum = snum.substr(0, i);
837 SG_LOG(SG_GENERAL, SG_DEBUG, "Runway num = '" << snum << "'");
838 int num = atoi( snum.c_str() ) + 18;
839 while ( num > 36 ) { num -= 36; }
840 while ( num <= 0 ) { num += 36; }
843 snprintf( recip_no, 10, "%02d%s", num, rev_letter.c_str() );
846 if ( (string)recip_no == runway ) {
848 heading = r.heading + 180;
849 while ( heading > 360.0 ) { heading -= 360; }
851 SG_LOG( SG_GENERAL, SG_INFO,
852 "Runway " << r.rwy_no << " heading = " << heading );
862 double lat2, lon2, az2;
863 double azimuth = heading + 180.0;
864 while ( azimuth >= 360.0 ) { azimuth -= 360.0; }
866 SG_LOG( SG_GENERAL, SG_INFO,
867 "runway = " << found_r.lon << ", " << found_r.lat
868 << " length = " << found_r.length * SG_FEET_TO_METER * 0.5
869 << " heading = " << azimuth );
871 geo_direct_wgs_84 ( 0, found_r.lat, found_r.lon,
873 found_r.length * SG_FEET_TO_METER * 0.5 - 5.0,
874 &lat2, &lon2, &az2 );
876 if ( fabs( fgGetDouble("/sim/presets/offset-distance") ) > SG_EPSILON )
879 double odist = fgGetDouble("/sim/presets/offset-distance");
880 odist *= SG_NM_TO_METER;
881 double oaz = azimuth;
882 if ( fabs(fgGetDouble("/sim/presets/offset-azimuth")) > SG_EPSILON )
884 oaz = fgGetDouble("/sim/presets/offset-azimuth") + 180;
886 while ( oaz >= 360.0 ) { oaz -= 360.0; }
887 geo_direct_wgs_84 ( 0, lat2, lon2, oaz, odist, &olat, &olon, &az2 );
893 fgSetDouble("/sim/presets/longitude-deg", lon2 );
894 fgSetDouble("/sim/presets/latitude-deg", lat2 );
895 fgSetDouble("/sim/presets/heading-deg", heading );
897 // other code depends on the actual values being set ...
898 fgSetDouble("/position/longitude-deg", lon2 );
899 fgSetDouble("/position/latitude-deg", lat2 );
900 fgSetDouble("/orientation/heading-deg", heading );
902 SG_LOG( SG_GENERAL, SG_INFO,
903 "Position for " << id << " is ("
905 << lat2 << ") new heading is "
915 static void fgSetDistOrAltFromGlideSlope() {
916 string apt_id = fgGetString("/sim/presets/airport-id");
917 double gs = fgGetDouble("/sim/presets/glideslope-deg")
918 * SG_DEGREES_TO_RADIANS ;
919 double od = fgGetDouble("/sim/presets/offset-distance");
920 double alt = fgGetDouble("/sim/presets/altitude-ft");
922 double apt_elev = 0.0;
923 if ( ! apt_id.empty() ) {
924 apt_elev = fgGetAirportElev( apt_id );
925 if ( apt_elev < -9990.0 ) {
932 if( fabs(gs) > 0.01 && fabs(od) > 0.1 && alt < -9990 ) {
933 // set altitude from glideslope and offset-distance
934 od *= SG_NM_TO_METER * SG_METER_TO_FEET;
935 alt = fabs(od*tan(gs)) + apt_elev;
936 fgSetDouble("/sim/presets/altitude-ft", alt);
937 fgSetBool("/sim/presets/onground", false);
938 SG_LOG( SG_GENERAL, SG_INFO, "Calculated altitude as: "
940 } else if( fabs(gs) > 0.01 && alt > 0 && fabs(od) < 0.1) {
941 // set offset-distance from glideslope and altitude
942 od = (alt - apt_elev) / tan(gs);
943 od *= -1*SG_FEET_TO_METER * SG_METER_TO_NM;
944 fgSetDouble("/sim/presets/offset-distance", od);
945 fgSetBool("/sim/presets/onground", false);
946 SG_LOG( SG_GENERAL, SG_INFO, "Calculated offset distance as: "
948 } else if( fabs(gs) > 0.01 ) {
949 SG_LOG( SG_GENERAL, SG_ALERT,
950 "Glideslope given but not altitude or offset-distance." );
951 SG_LOG( SG_GENERAL, SG_ALERT, "Resetting glideslope to zero" );
952 fgSetDouble("/sim/presets/glideslope-deg", 0);
953 fgSetBool("/sim/presets/onground", true);
958 // Set current_options lon/lat given an airport id and heading (degrees)
959 static bool fgSetPosFromNAV( const string& id, const double& freq ) {
962 // set initial position from runway and heading
963 if ( current_navlist->findByIdentAndFreq( id.c_str(), freq, &nav ) ) {
964 SG_LOG( SG_GENERAL, SG_INFO, "Attempting to set starting position for "
965 << id << ":" << freq );
967 double lon = nav.get_lon();
968 double lat = nav.get_lat();
970 if ( fabs( fgGetDouble("/sim/presets/offset-distance") ) > SG_EPSILON )
972 double odist = fgGetDouble("/sim/presets/offset-distance")
974 double oaz = fabs(fgGetDouble("/sim/presets/offset-azimuth"))
976 while ( oaz >= 360.0 ) { oaz -= 360.0; }
977 double olat, olon, az2;
978 geo_direct_wgs_84 ( 0, lat, lon, oaz, odist, &olat, &olon, &az2 );
985 fgSetDouble("/sim/presets/longitude-deg", lon );
986 fgSetDouble("/sim/presets/latitude-deg", lat );
988 // other code depends on the actual values being set ...
989 fgSetDouble("/position/longitude-deg", lon );
990 fgSetDouble("/position/latitude-deg", lat );
991 fgSetDouble("/orientation/heading-deg",
992 fgGetDouble("/sim/presets/heading-deg") );
994 SG_LOG( SG_GENERAL, SG_INFO,
995 "Position for " << id << ":" << freq << " is ("
996 << lon << ", "<< lat << ")" );
1000 SG_LOG( SG_GENERAL, SG_ALERT, "Failed to locate NAV = "
1001 << id << ":" << freq );
1007 // Set current_options lon/lat given an airport id and heading (degrees)
1008 static bool fgSetPosFromFix( const string& id ) {
1011 // set initial position from runway and heading
1012 if ( current_fixlist->query( id.c_str(), &fix ) ) {
1013 SG_LOG( SG_GENERAL, SG_INFO, "Attempting to set starting position for "
1016 double lon = fix.get_lon();
1017 double lat = fix.get_lat();
1019 if ( fabs( fgGetDouble("/sim/presets/offset-distance") ) > SG_EPSILON )
1021 double odist = fgGetDouble("/sim/presets/offset-distance")
1023 double oaz = fabs(fgGetDouble("/sim/presets/offset-azimuth"))
1025 while ( oaz >= 360.0 ) { oaz -= 360.0; }
1026 double olat, olon, az2;
1027 geo_direct_wgs_84 ( 0, lat, lon, oaz, odist, &olat, &olon, &az2 );
1034 fgSetDouble("/sim/presets/longitude-deg", lon );
1035 fgSetDouble("/sim/presets/latitude-deg", lat );
1037 // other code depends on the actual values being set ...
1038 fgSetDouble("/position/longitude-deg", lon );
1039 fgSetDouble("/position/latitude-deg", lat );
1040 fgSetDouble("/orientation/heading-deg",
1041 fgGetDouble("/sim/presets/heading-deg") );
1043 SG_LOG( SG_GENERAL, SG_INFO,
1044 "Position for " << id << " is ("
1045 << lon << ", "<< lat << ")" );
1049 SG_LOG( SG_GENERAL, SG_ALERT, "Failed to locate NAV = "
1056 // Set the initial position based on presets (or defaults)
1057 bool fgInitPosition() {
1058 bool set_pos = false;
1060 // If glideslope is specified, then calculate offset-distance or
1061 // altitude relative to glide slope if either of those was not
1063 fgSetDistOrAltFromGlideSlope();
1065 // If we have an explicit, in-range lon/lat, don't change it, just use it.
1066 // If not, check for an airport-id and use that.
1067 // If not, default to the middle of the KSFO field.
1068 // The default values for lon/lat are deliberately out of range
1069 // so that the airport-id can take effect; valid lon/lat will
1070 // override airport-id, however.
1071 double lon_deg = fgGetDouble("/sim/presets/longitude-deg");
1072 double lat_deg = fgGetDouble("/sim/presets/latitude-deg");
1073 if ( lon_deg >= -180.0 && lon_deg <= 180.0
1074 && lat_deg >= -90.0 && lat_deg <= 90.0 )
1079 string apt = fgGetString("/sim/presets/airport-id");
1080 string rwy_no = fgGetString("/sim/presets/runway");
1081 double hdg = fgGetDouble("/sim/presets/heading-deg");
1082 string vor = fgGetString("/sim/presets/vor-id");
1083 double vor_freq = fgGetDouble("/sim/presets/vor-freq");
1084 string ndb = fgGetString("/sim/presets/ndb-id");
1085 double ndb_freq = fgGetDouble("/sim/presets/ndb-freq");
1086 string fix = fgGetString("/sim/presets/fix");
1087 if ( !set_pos && !apt.empty() && !rwy_no.empty() ) {
1088 // An airport + runway is requested
1089 if ( fgSetPosFromAirportIDandRwy( apt, rwy_no ) ) {
1090 // set position (a little off the heading for single
1092 fgSetTowerPosFromAirportID( apt, hdg );
1097 if ( !set_pos && !apt.empty() ) {
1098 // An airport is requested (find runway closest to hdg)
1099 if ( fgSetPosFromAirportIDandHdg( apt, hdg ) ) {
1100 // set position (a little off the heading for single
1102 fgSetTowerPosFromAirportID( apt, hdg );
1107 if ( !set_pos && !vor.empty() ) {
1108 // a VOR is requested
1109 if ( fgSetPosFromNAV( vor, vor_freq ) ) {
1110 if ( fgGetDouble("/sim/presets/altitude-ft") > -9990.0 ) {
1111 fgSetBool("/sim/presets/onground", false);
1113 fgSetBool("/sim/presets/onground", true);
1118 if ( !set_pos && !ndb.empty() ) {
1119 // an NDB is requested
1120 if ( fgSetPosFromNAV( ndb, ndb_freq ) ) {
1121 if ( fgGetDouble("/sim/presets/altitude-ft") > -9990.0 ) {
1122 fgSetBool("/sim/presets/onground", false);
1124 fgSetBool("/sim/presets/onground", true);
1129 if ( !set_pos && !fix.empty() ) {
1130 // a Fix is requested
1131 if ( fgSetPosFromFix( fix ) ) {
1132 if ( fgGetDouble("/sim/presets/altitude-ft") > -9990.0 ) {
1133 fgSetBool("/sim/presets/onground", false);
1135 fgSetBool("/sim/presets/onground", true);
1142 // No lon/lat specified, no airport specified, default to
1143 // middle of KSFO field.
1144 fgSetDouble("/sim/presets/longitude-deg", -122.374843);
1145 fgSetDouble("/sim/presets/latitude-deg", 37.619002);
1148 fgSetDouble( "/position/longitude-deg",
1149 fgGetDouble("/sim/presets/longitude-deg") );
1150 fgSetDouble( "/position/latitude-deg",
1151 fgGetDouble("/sim/presets/latitude-deg") );
1152 fgSetDouble( "/orientation/heading-deg",
1153 fgGetDouble("/sim/presets/heading-deg") );
1159 // General house keeping initializations
1160 bool fgInitGeneral() {
1163 #if defined(FX) && defined(XMESA)
1164 char *mesa_win_state;
1167 SG_LOG( SG_GENERAL, SG_INFO, "General Initialization" );
1168 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
1170 root = globals->get_fg_root();
1171 if ( ! root.length() ) {
1172 // No root path set? Then bail ...
1173 SG_LOG( SG_GENERAL, SG_ALERT,
1174 "Cannot continue without a path to the base package "
1175 << "being defined." );
1178 SG_LOG( SG_GENERAL, SG_INFO, "FG_ROOT = " << '"' << root << '"' << endl );
1180 #if defined(FX) && defined(XMESA)
1181 // initialize full screen flag
1182 globals->set_fullscreen(false);
1183 if ( strstr ( general.get_glRenderer(), "Glide" ) ) {
1184 // Test for the MESA_GLX_FX env variable
1185 if ( (mesa_win_state = getenv( "MESA_GLX_FX" )) != NULL) {
1186 // test if we are fullscreen mesa/glide
1187 if ( (mesa_win_state[0] == 'f') ||
1188 (mesa_win_state[0] == 'F') ) {
1189 globals->set_fullscreen(true);
1199 // Initialize the flight model subsystem. This just creates the
1200 // object. The actual fdm initialization is delayed until we get a
1201 // proper scenery elevation hit. This is checked for in main.cxx
1205 if ( cur_fdm_state ) {
1206 delete cur_fdm_state;
1210 double dt = 1.0 / fgGetInt("/sim/model-hz");
1211 aircraft_dir = fgGetString("/sim/aircraft-dir");
1212 const string &model = fgGetString("/sim/flight-model");
1215 if ( model == "larcsim" ) {
1216 cur_fdm_state = new FGLaRCsim( dt );
1217 } else if ( model == "jsb" ) {
1218 cur_fdm_state = new FGJSBsim( dt );
1219 } else if ( model == "ada" ) {
1220 cur_fdm_state = new FGADA( dt );
1221 } else if ( model == "balloon" ) {
1222 cur_fdm_state = new FGBalloonSim( dt );
1223 } else if ( model == "magic" ) {
1224 cur_fdm_state = new FGMagicCarpet( dt );
1225 } else if ( model == "ufo" ) {
1226 cur_fdm_state = new FGUFO( dt );
1227 } else if ( model == "external" ) {
1228 // external is a synonym for "--fdm=null" and is
1229 // maintained here for backwards compatibility
1230 cur_fdm_state = new FGNullFDM( dt );
1231 } else if ( model.find("network") == 0 ) {
1232 string host = "localhost";
1236 string net_options = model.substr(8);
1237 string::size_type begin, end;
1240 end = net_options.find( ",", begin );
1241 if ( end != string::npos ) {
1242 host = net_options.substr(begin, end - begin);
1246 end = net_options.find( ",", begin );
1247 if ( end != string::npos ) {
1248 port1 = atoi( net_options.substr(begin, end - begin).c_str() );
1252 end = net_options.find( ",", begin );
1253 if ( end != string::npos ) {
1254 port2 = atoi( net_options.substr(begin, end - begin).c_str() );
1258 end = net_options.find( ",", begin );
1259 if ( end != string::npos ) {
1260 port3 = atoi( net_options.substr(begin, end - begin).c_str() );
1263 cur_fdm_state = new FGExternalNet( dt, host, port1, port2, port3 );
1264 } else if ( model == "null" ) {
1265 cur_fdm_state = new FGNullFDM( dt );
1266 } else if ( model == "yasim" ) {
1267 cur_fdm_state = new YASim( dt );
1269 SG_LOG(SG_GENERAL, SG_ALERT,
1270 "Unrecognized flight model '" << model
1271 << "', cannot init flight dynamics model.");
1275 SG_LOG(SG_GENERAL, SG_ALERT, "FlightGear aborting\n\n");
1280 static void printMat(const sgVec4 *mat, char *name="")
1283 cout << name << endl;
1284 for(i=0; i<4; i++) {
1285 cout <<" "<<mat[i][0]<<" "<<mat[i][1]<<" "<<mat[i][2]<<" "<<mat[i][3]<<endl;
1290 // Initialize view parameters
1292 // force update of model so that viewer can get some data...
1293 globals->get_aircraft_model()->update(0);
1294 // run update for current view so that data is current...
1295 globals->get_viewmgr()->update(0);
1297 printMat(globals->get_current_view()->get_VIEW(),"VIEW");
1298 printMat(globals->get_current_view()->get_UP(),"UP");
1299 // printMat(globals->get_current_view()->get_LOCAL(),"LOCAL");
1304 SGTime *fgInitTime() {
1306 static const SGPropertyNode *longitude
1307 = fgGetNode("/position/longitude-deg");
1308 static const SGPropertyNode *latitude
1309 = fgGetNode("/position/latitude-deg");
1310 static const SGPropertyNode *cur_time_override
1311 = fgGetNode("/sim/time/cur-time-override", true);
1313 SGPath zone( globals->get_fg_root() );
1314 zone.append( "Timezone" );
1315 SGTime *t = new SGTime( longitude->getDoubleValue()
1316 * SGD_DEGREES_TO_RADIANS,
1317 latitude->getDoubleValue()
1318 * SGD_DEGREES_TO_RADIANS,
1320 cur_time_override->getLongValue() );
1322 // Handle potential user specified time offsets
1323 time_t cur_time = t->get_cur_time();
1324 time_t currGMT = sgTimeGetGMT( gmtime(&cur_time) );
1325 time_t systemLocalTime = sgTimeGetGMT( localtime(&cur_time) );
1326 time_t aircraftLocalTime =
1327 sgTimeGetGMT( fgLocaltime(&cur_time, t->get_zonename() ) );
1329 // Okay, we now have six possible scenarios
1330 int offset = fgGetInt("/sim/startup/time-offset");
1331 const string &offset_type = fgGetString("/sim/startup/time-offset-type");
1332 if (offset_type == "system-offset") {
1333 globals->set_warp( offset );
1334 } else if (offset_type == "gmt-offset") {
1335 globals->set_warp( offset - (currGMT - systemLocalTime) );
1336 } else if (offset_type == "latitude-offset") {
1337 globals->set_warp( offset - (aircraftLocalTime - systemLocalTime) );
1338 } else if (offset_type == "system") {
1339 globals->set_warp( offset - cur_time );
1340 } else if (offset_type == "gmt") {
1341 globals->set_warp( offset - currGMT );
1342 } else if (offset_type == "latitude") {
1343 globals->set_warp( offset - (aircraftLocalTime - systemLocalTime) -
1346 SG_LOG( SG_GENERAL, SG_ALERT,
1347 "FG_TIME::Unsupported offset type " << offset_type );
1351 SG_LOG( SG_GENERAL, SG_INFO, "After time init, warp = "
1352 << globals->get_warp() );
1354 globals->set_warp_delta( 0 );
1356 t->update( 0.0, 0.0,
1357 cur_time_override->getLongValue(),
1358 globals->get_warp() );
1364 // This is the top level init routine which calls all the other
1365 // initialization routines. If you are adding a subsystem to flight
1366 // gear, its initialization call should located in this routine.
1367 // Returns non-zero if a problem encountered.
1368 bool fgInitSubsystems() {
1369 static const SGPropertyNode *longitude
1370 = fgGetNode("/sim/presets/longitude-deg");
1371 static const SGPropertyNode *latitude
1372 = fgGetNode("/sim/presets/latitude-deg");
1373 static const SGPropertyNode *altitude
1374 = fgGetNode("/sim/presets/altitude-ft");
1376 fgLIGHT *l = &cur_light_params;
1378 SG_LOG( SG_GENERAL, SG_INFO, "Initialize Subsystems");
1379 SG_LOG( SG_GENERAL, SG_INFO, "========== ==========");
1382 ////////////////////////////////////////////////////////////////////
1383 // Initialize the material property subsystem.
1384 ////////////////////////////////////////////////////////////////////
1386 SGPath mpath( globals->get_fg_root() );
1387 mpath.append( "materials.xml" );
1388 if ( ! material_lib.load( mpath.str() ) ) {
1389 SG_LOG( SG_GENERAL, SG_ALERT, "Error loading material lib!" );
1393 ////////////////////////////////////////////////////////////////////
1394 // Initialize the event manager subsystem.
1395 ////////////////////////////////////////////////////////////////////
1397 global_events.init();
1399 // Output event stats every 60 seconds
1400 global_events.Register( "FGEventMgr::print_stats()",
1401 &global_events, &FGEventMgr::print_stats,
1405 ////////////////////////////////////////////////////////////////////
1406 // Initialize the scenery management subsystem.
1407 ////////////////////////////////////////////////////////////////////
1409 if ( globals->get_tile_mgr()->init() ) {
1410 // Load the local scenery data
1411 double visibility_meters = fgGetDouble("/environment/visibility-m");
1413 globals->get_tile_mgr()->update( visibility_meters );
1415 SG_LOG( SG_GENERAL, SG_ALERT, "Error in Tile Manager initialization!" );
1419 // cause refresh of viewer scenery timestamps every 15 seconds...
1420 global_events.Register( "FGTileMgr::refresh_view_timestamps()",
1421 globals->get_tile_mgr(),
1422 &FGTileMgr::refresh_view_timestamps,
1425 SG_LOG( SG_GENERAL, SG_DEBUG,
1426 "Current terrain elevation after tile mgr init " <<
1427 globals->get_scenery()->get_cur_elev() );
1430 ////////////////////////////////////////////////////////////////////
1431 // Initialize the flight model subsystem.
1432 ////////////////////////////////////////////////////////////////////
1436 // allocates structures so must happen before any of the flight
1437 // model or control parameters are set
1438 fgAircraftInit(); // In the future this might not be the case.
1441 ////////////////////////////////////////////////////////////////////
1442 // Initialize the view manager subsystem.
1443 ////////////////////////////////////////////////////////////////////
1448 ////////////////////////////////////////////////////////////////////
1449 // Initialize the lighting subsystem.
1450 ////////////////////////////////////////////////////////////////////
1452 // fgUpdateSunPos() needs a few position and view parameters set
1453 // so it can calculate local relative sun angle and a few other
1454 // things for correctly orienting the sky.
1457 global_events.Register( "fgUpdateSunPos()", &fgUpdateSunPos,
1459 global_events.Register( "fgUpdateMoonPos()", &fgUpdateMoonPos,
1462 // Initialize Lighting interpolation tables
1465 // force one lighting update to make it right to start with...
1467 // update the lighting parameters (based on sun angle)
1468 global_events.Register( "fgLight::Update()",
1469 &cur_light_params, &fgLIGHT::Update,
1473 ////////////////////////////////////////////////////////////////////
1474 // Create and register the logger.
1475 ////////////////////////////////////////////////////////////////////
1477 globals->get_subsystem_mgr()->add(FGSubsystemMgr::GENERAL,
1482 ////////////////////////////////////////////////////////////////////
1483 // Create and register the XML GUI.
1484 ////////////////////////////////////////////////////////////////////
1486 globals->get_subsystem_mgr()->add(FGSubsystemMgr::INIT,
1491 ////////////////////////////////////////////////////////////////////
1492 // Initialize the local time subsystem.
1493 ////////////////////////////////////////////////////////////////////
1495 // update the current timezone each 30 minutes
1496 global_events.Register( "fgUpdateLocalTime()", &fgUpdateLocalTime,
1500 ////////////////////////////////////////////////////////////////////
1501 // Initialize the weather subsystem.
1502 ////////////////////////////////////////////////////////////////////
1504 // Initialize the weather modeling subsystem
1506 // Initialize the WeatherDatabase
1507 SG_LOG(SG_GENERAL, SG_INFO, "Creating LocalWeatherDatabase");
1509 sgSetVec3( position, current_aircraft.fdm_state->get_Latitude(),
1510 current_aircraft.fdm_state->get_Longitude(),
1511 current_aircraft.fdm_state->get_Altitude() * SG_FEET_TO_METER );
1512 double init_vis = fgGetDouble("/environment/visibility-m");
1514 FGLocalWeatherDatabase::DatabaseWorkingType working_type;
1516 if (!strcmp(fgGetString("/environment/weather/working-type"), "internet"))
1518 working_type = FGLocalWeatherDatabase::use_internet;
1520 working_type = FGLocalWeatherDatabase::default_mode;
1523 if ( init_vis > 0 ) {
1524 FGLocalWeatherDatabase::theFGLocalWeatherDatabase =
1525 new FGLocalWeatherDatabase( position,
1526 globals->get_fg_root(),
1530 FGLocalWeatherDatabase::theFGLocalWeatherDatabase =
1531 new FGLocalWeatherDatabase( position,
1532 globals->get_fg_root(),
1536 // cout << theFGLocalWeatherDatabase << endl;
1537 // cout << "visibility = "
1538 // << theFGLocalWeatherDatabase->getWeatherVisibility() << endl;
1540 WeatherDatabase = FGLocalWeatherDatabase::theFGLocalWeatherDatabase;
1542 // register the periodic update of the weather
1543 global_events.Register( "weather update", &fgUpdateWeatherDatabase,
1546 globals->get_environment_mgr()->init();
1547 globals->get_environment_mgr()->bind();
1550 #ifdef FG_USE_CLOUDS_3D
1551 ////////////////////////////////////////////////////////////////////
1552 // Initialize the 3D cloud subsystem.
1553 ////////////////////////////////////////////////////////////////////
1554 if ( fgGetBool("/sim/rendering/clouds3d") ) {
1555 SGPath cloud_path(globals->get_fg_root());
1556 cloud_path.append("large.sky");
1557 SG_LOG(SG_GENERAL, SG_INFO, "Loading CLOUDS3d from: " << cloud_path.c_str());
1558 if ( !sgCloud3d->Load( cloud_path.str(),
1559 latitude->getDoubleValue(),
1560 longitude->getDoubleValue()) )
1562 fgSetBool("/sim/rendering/clouds3d", false);
1563 SG_LOG(SG_GENERAL, SG_INFO, "CLOUDS3d FAILED: ");
1565 SG_LOG(SG_GENERAL, SG_INFO, "CLOUDS3d Loaded: ");
1569 ////////////////////////////////////////////////////////////////////
1570 // Initialize vor/ndb/ils/fix list management and query systems
1571 ////////////////////////////////////////////////////////////////////
1573 SG_LOG(SG_GENERAL, SG_INFO, "Loading Navaids");
1575 SG_LOG(SG_GENERAL, SG_INFO, " VOR/NDB");
1576 current_navlist = new FGNavList;
1577 SGPath p_nav( globals->get_fg_root() );
1578 p_nav.append( "Navaids/default.nav" );
1579 current_navlist->init( p_nav );
1581 SG_LOG(SG_GENERAL, SG_INFO, " ILS and Marker Beacons");
1582 current_beacons = new FGMarkerBeacons;
1583 current_beacons->init();
1584 current_ilslist = new FGILSList;
1585 SGPath p_ils( globals->get_fg_root() );
1586 p_ils.append( "Navaids/default.ils" );
1587 current_ilslist->init( p_ils );
1589 SG_LOG(SG_GENERAL, SG_INFO, " Fixes");
1590 current_fixlist = new FGFixList;
1591 SGPath p_fix( globals->get_fg_root() );
1592 p_fix.append( "Navaids/default.fix" );
1593 current_fixlist->init( p_fix );
1595 ////////////////////////////////////////////////////////////////////
1596 // Initialize ATC list management and query systems
1597 ////////////////////////////////////////////////////////////////////
1599 SG_LOG(SG_GENERAL, SG_INFO, " ATIS");
1600 current_atislist = new FGATISList;
1601 SGPath p_atis( globals->get_fg_root() );
1602 p_atis.append( "ATC/default.atis" );
1603 current_atislist->init( p_atis );
1605 SG_LOG(SG_GENERAL, SG_INFO, " Tower");
1606 current_towerlist = new FGTowerList;
1607 SGPath p_tower( globals->get_fg_root() );
1608 p_tower.append( "ATC/default.tower" );
1609 current_towerlist->init( p_tower );
1611 SG_LOG(SG_GENERAL, SG_INFO, " Approach");
1612 current_approachlist = new FGApproachList;
1613 SGPath p_approach( globals->get_fg_root() );
1614 p_approach.append( "ATC/default.approach" );
1615 current_approachlist->init( p_approach );
1617 ////////////////////////////////////////////////////////////////////
1618 // Initialise ATC display system
1619 ////////////////////////////////////////////////////////////////////
1621 SG_LOG(SG_GENERAL, SG_INFO, " ATC Display");
1622 globals->set_ATC_display(new FGATCDisplay);
1623 globals->get_ATC_display()->init();
1625 ////////////////////////////////////////////////////////////////////
1626 // Initialise the ATC Manager
1627 ////////////////////////////////////////////////////////////////////
1629 SG_LOG(SG_GENERAL, SG_INFO, " ATC Manager");
1630 globals->set_ATC_mgr(new FGATCMgr);
1631 globals->get_ATC_mgr()->init();
1633 ////////////////////////////////////////////////////////////////////
1634 // Initialise the AI Manager
1635 ////////////////////////////////////////////////////////////////////
1637 if (fgGetBool("/sim/ai-traffic/enabled")) {
1638 SG_LOG(SG_GENERAL, SG_INFO, " AI Manager");
1639 globals->set_AI_mgr(new FGAIMgr);
1640 globals->get_AI_mgr()->init();
1643 #ifdef ENABLE_AUDIO_SUPPORT
1644 ////////////////////////////////////////////////////////////////////
1645 // Initialize the sound subsystem.
1646 ////////////////////////////////////////////////////////////////////
1648 globals->set_soundmgr(new FGSoundMgr);
1649 globals->get_soundmgr()->init();
1650 globals->get_soundmgr()->bind();
1653 ////////////////////////////////////////////////////////////////////
1654 // Initialize the sound-effects subsystem.
1655 ////////////////////////////////////////////////////////////////////
1657 globals->get_subsystem_mgr()->add(FGSubsystemMgr::GENERAL,
1664 globals->get_subsystem_mgr()->add(FGSubsystemMgr::GENERAL,
1666 new FGInstrumentMgr);
1667 globals->get_subsystem_mgr()->add(FGSubsystemMgr::GENERAL,
1671 ////////////////////////////////////////////////////////////////////
1672 // Initialize the radio stack subsystem.
1673 ////////////////////////////////////////////////////////////////////
1675 // A textbook example of how FGSubsystem
1677 current_radiostack = new FGRadioStack;
1678 current_radiostack->init();
1679 current_radiostack->bind();
1682 ////////////////////////////////////////////////////////////////////
1683 // Initialize the cockpit subsystem
1684 ////////////////////////////////////////////////////////////////////
1686 if( fgCockpitInit( ¤t_aircraft )) {
1687 // Cockpit initialized ok.
1689 SG_LOG( SG_GENERAL, SG_ALERT, "Error in Cockpit initialization!" );
1694 ////////////////////////////////////////////////////////////////////
1695 // Initialize the autopilot subsystem.
1696 ////////////////////////////////////////////////////////////////////
1698 globals->set_autopilot(new FGAutopilot);
1699 globals->get_autopilot()->init();
1700 globals->get_autopilot()->bind();
1702 // FIXME: these should go in the
1703 // GUI initialization code, not here.
1705 NewTgtAirportInit();
1709 ////////////////////////////////////////////////////////////////////
1710 // Initialize I/O subsystem.
1711 ////////////////////////////////////////////////////////////////////
1713 globals->get_io()->init();
1714 globals->get_io()->bind();
1716 // Initialize the 2D panel.
1717 string panel_path = fgGetString("/sim/panel/path",
1718 "Panels/Default/default.xml");
1719 current_panel = fgReadPanel(panel_path);
1720 if (current_panel == 0) {
1721 SG_LOG( SG_INPUT, SG_ALERT,
1722 "Error reading new panel from " << panel_path );
1724 SG_LOG( SG_INPUT, SG_INFO, "Loaded new panel from " << panel_path );
1725 current_panel->init();
1726 current_panel->bind();
1730 ////////////////////////////////////////////////////////////////////
1731 // Initialize the default (kludged) properties.
1732 ////////////////////////////////////////////////////////////////////
1737 ////////////////////////////////////////////////////////////////////
1738 // Initialize the controls subsystem.
1739 ////////////////////////////////////////////////////////////////////
1741 globals->get_controls()->init();
1742 globals->get_controls()->bind();
1745 ////////////////////////////////////////////////////////////////////
1746 // Initialize the steam subsystem.
1747 ////////////////////////////////////////////////////////////////////
1749 globals->get_steam()->init();
1750 globals->get_steam()->bind();
1753 ////////////////////////////////////////////////////////////////////
1754 // Initialize the input subsystem.
1755 ////////////////////////////////////////////////////////////////////
1757 globals->get_subsystem_mgr()->add(FGSubsystemMgr::GENERAL,
1762 ////////////////////////////////////////////////////////////////////
1763 // Bind and initialize subsystems.
1764 ////////////////////////////////////////////////////////////////////
1766 globals->get_subsystem_mgr()->bind();
1767 globals->get_subsystem_mgr()->init();
1770 ////////////////////////////////////////////////////////////////////////
1771 // End of subsystem initialization.
1772 ////////////////////////////////////////////////////////////////////
1774 SG_LOG( SG_GENERAL, SG_INFO, endl);
1776 // Save the initial state for future
1778 globals->saveInitialState();
1784 void fgReInitSubsystems()
1786 static const SGPropertyNode *longitude
1787 = fgGetNode("/sim/presets/longitude-deg");
1788 static const SGPropertyNode *latitude
1789 = fgGetNode("/sim/presets/latitude-deg");
1790 static const SGPropertyNode *altitude
1791 = fgGetNode("/sim/presets/altitude-ft");
1792 static const SGPropertyNode *master_freeze
1793 = fgGetNode("/sim/freeze/master");
1795 SG_LOG( SG_GENERAL, SG_INFO,
1796 "fgReInitSubsystems(): /position/altitude = "
1797 << altitude->getDoubleValue() );
1799 bool freeze = master_freeze->getBoolValue();
1801 fgSetBool("/sim/freeze/master", true);
1804 // Initialize the FDM
1807 // allocates structures so must happen before any of the flight
1808 // model or control parameters are set
1809 fgAircraftInit(); // In the future this might not be the case.
1811 // copy viewer settings into current-view path
1812 globals->get_viewmgr()->copyToCurrent();
1816 globals->get_controls()->reset_all();
1817 globals->get_autopilot()->reset();
1821 cur_light_params.Update();
1822 fgUpdateLocalTime();
1825 fgSetBool("/sim/freeze/master", false);