1 // fg_init.cxx -- Flight Gear top level initialization routines
3 // Written by Curtis Olson, started August 1997.
5 // Copyright (C) 1997 Curtis L. Olson - curt@infoplane.com
7 // This program is free software; you can redistribute it and/or
8 // modify it under the terms of the GNU General Public License as
9 // published by the Free Software Foundation; either version 2 of the
10 // License, or (at your option) any later version.
12 // This program is distributed in the hope that it will be useful, but
13 // WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 // General Public License for more details.
17 // You should have received a copy of the GNU General Public License
18 // along with this program; if not, write to the Free Software
19 // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
29 // For BC 5.01 this must be included before OpenGL includes.
30 #ifdef SG_MATH_EXCEPTION_CLASH
36 #include <string.h> // strcmp()
39 #if defined( unix ) || defined( __CYGWIN__ )
40 # include <unistd.h> // for gethostname()
43 // work around a stdc++ lib bug in some versions of linux, but doesn't
44 // seem to hurt to have this here for all versions of Linux.
46 # define _G_NO_EXTERN_TEMPLATES
49 #include <simgear/compiler.h>
53 #include <simgear/constants.h>
54 #include <simgear/debug/logstream.hxx>
55 #include <simgear/structure/exception.hxx>
56 #include <simgear/structure/event_mgr.hxx>
57 #include <simgear/math/point3d.hxx>
58 #include <simgear/math/polar3d.hxx>
59 #include <simgear/math/sg_geodesy.hxx>
60 #include <simgear/misc/sg_path.hxx>
61 #include <simgear/misc/interpolator.hxx>
62 #include <simgear/scene/material/matlib.hxx>
63 #ifdef FG_USE_CLOUDS_3D
64 # include <simgear/scene/sky/clouds3d/SkySceneLoader.hpp>
65 # include <simgear/scene/sky/clouds3d/SkyUtil.hpp>
66 # include <simgear/screen/texture.hxx>
68 #include <simgear/timing/sg_time.hxx>
69 #include <simgear/timing/lowleveltime.h>
71 #include <Aircraft/aircraft.hxx>
72 #include <FDM/UIUCModel/uiuc_aircraftdir.h>
73 #include <Airports/runways.hxx>
74 #include <Airports/simple.hxx>
75 #include <ATC/ATCdisplay.hxx>
76 #include <ATC/ATCmgr.hxx>
77 #include <ATC/AIMgr.hxx>
78 #include <Autopilot/auto_gui.hxx>
79 #include <Autopilot/route_mgr.hxx>
80 #include <Autopilot/xmlauto.hxx>
81 #include <Cockpit/cockpit.hxx>
82 #include <Cockpit/radiostack.hxx>
83 #include <Cockpit/panel.hxx>
84 #include <Cockpit/panel_io.hxx>
85 #include <FDM/ADA.hxx>
86 #include <FDM/Balloon.h>
87 #include <FDM/ExternalNet/ExternalNet.hxx>
88 #include <FDM/ExternalPipe/ExternalPipe.hxx>
89 #include <FDM/JSBSim/JSBSim.hxx>
90 #include <FDM/LaRCsim/LaRCsim.hxx>
91 #include <FDM/MagicCarpet.hxx>
92 #include <FDM/UFO.hxx>
93 #include <FDM/NullFDM.hxx>
94 #include <FDM/YASim/YASim.hxx>
95 #include <GUI/new_gui.hxx>
96 #include <Include/general.hxx>
97 #include <Input/input.hxx>
98 #include <Instrumentation/instrument_mgr.hxx>
99 #include <Model/acmodel.hxx>
100 #include <AIModel/AIManager.hxx>
101 #include <Navaids/fixlist.hxx>
102 #include <Navaids/ilslist.hxx>
103 #include <Navaids/mkrbeacons.hxx>
104 #include <Navaids/navlist.hxx>
105 #include <Replay/replay.hxx>
106 #include <Scenery/scenery.hxx>
107 #include <Scenery/tilemgr.hxx>
108 #include <Scripting/NasalSys.hxx>
109 #include <Sound/fg_fx.hxx>
110 #include <Systems/system_mgr.hxx>
111 #include <Time/light.hxx>
112 #include <Time/moonpos.hxx>
113 #include <Time/sunpos.hxx>
114 #include <Time/sunsolver.hxx>
115 #include <Time/tmp.hxx>
118 #include <MultiPlayer/multiplaytxmgr.hxx>
119 #include <MultiPlayer/multiplayrxmgr.hxx>
122 #include <Environment/environment_mgr.hxx>
124 #include "fg_init.hxx"
126 #include "fg_commands.hxx"
127 #include "fg_props.hxx"
128 #include "options.hxx"
129 #include "globals.hxx"
130 #include "logger.hxx"
131 #include "viewmgr.hxx"
133 #if defined(FX) && defined(XMESA)
134 #include <GL/xmesa.h>
137 SG_USING_STD(string);
142 extern const char *default_root;
145 #ifdef FG_USE_CLOUDS_3D
146 SkySceneLoader *sgCloud3d;
150 // Scan the command line options for the specified option and return
152 static string fgScanForOption( const string& option, int argc, char **argv ) {
155 SG_LOG(SG_GENERAL, SG_INFO, "Scanning command line for: " << option );
157 int len = option.length();
160 SG_LOG( SG_GENERAL, SG_DEBUG, "argv[" << i << "] = " << argv[i] );
162 string arg = argv[i];
163 if ( arg.find( option ) == 0 ) {
164 return arg.substr( len );
174 // Scan the user config files for the specified option and return
176 static string fgScanForOption( const string& option, const string& path ) {
177 sg_gzifstream in( path );
178 if ( !in.is_open() ) {
182 SG_LOG( SG_GENERAL, SG_INFO, "Scanning " << path << " for: " << option );
184 int len = option.length();
188 while ( ! in.eof() ) {
191 while ( in.get(c) && c != '\0' ) {
196 #if defined( macintosh )
197 getline( in, line, '\r' );
199 getline( in, line, '\n' );
202 // catch extraneous (DOS) line ending character
203 if ( line[line.length() - 1] < 32 ) {
204 line = line.substr( 0, line.length()-1 );
207 if ( line.find( option ) == 0 ) {
208 return line.substr( len );
218 // Read in configuration (files and command line options) but only set
220 bool fgInitFGRoot ( int argc, char **argv ) {
224 // First parse command line options looking for --fg-root=, this
225 // will override anything specified in a config file
226 root = fgScanForOption( "--fg-root=", argc, argv);
228 #if defined( unix ) || defined( __CYGWIN__ )
229 // Next check home directory for .fgfsrc.hostname file
230 if ( root.empty() ) {
231 envp = ::getenv( "HOME" );
232 if ( envp != NULL ) {
233 SGPath config( envp );
234 config.append( ".fgfsrc" );
236 gethostname( name, 256 );
237 config.concat( "." );
238 config.concat( name );
239 root = fgScanForOption( "--fg-root=", config.str() );
244 // Next check home directory for .fgfsrc file
245 if ( root.empty() ) {
246 envp = ::getenv( "HOME" );
247 if ( envp != NULL ) {
248 SGPath config( envp );
249 config.append( ".fgfsrc" );
250 root = fgScanForOption( "--fg-root=", config.str() );
254 // Next check if fg-root is set as an env variable
255 if ( root.empty() ) {
256 envp = ::getenv( "FG_ROOT" );
257 if ( envp != NULL ) {
262 // Otherwise, default to a random compiled-in location if we can't
263 // find fg-root any other way.
264 if ( root.empty() ) {
265 #if defined( __CYGWIN__ )
266 root = "/FlightGear";
267 #elif defined( WIN32 )
268 root = "\\FlightGear";
269 #elif defined(OSX_BUNDLE)
270 /* the following code looks for the base package directly inside
271 the application bundle. This can be changed fairly easily by
272 fiddling with the code below. And yes, I know it's ugly and verbose.
274 CFBundleRef appBundle = CFBundleGetMainBundle();
275 CFURLRef appUrl = CFBundleCopyBundleURL(appBundle);
276 CFRelease(appBundle);
278 // look for a 'data' subdir directly inside the bundle : is there
279 // a better place? maybe in Resources? I don't know ...
280 CFURLRef dataDir = CFURLCreateCopyAppendingPathComponent(NULL, appUrl, CFSTR("data"), true);
282 // now convert down to a path, and the a c-string
283 CFStringRef path = CFURLCopyFileSystemPath(dataDir, kCFURLPOSIXPathStyle);
284 root = CFStringGetCStringPtr(path, CFStringGetSystemEncoding());
287 CFRelease(appBundle);
295 SG_LOG(SG_INPUT, SG_INFO, "fg_root = " << root );
296 globals->set_fg_root(root);
302 // Read in configuration (files and command line options) but only set
304 bool fgInitFGAircraft ( int argc, char **argv ) {
308 // First parse command line options looking for --aircraft=, this
309 // will override anything specified in a config file
310 aircraft = fgScanForOption( "--aircraft=", argc, argv );
312 #if defined( unix ) || defined( __CYGWIN__ )
313 // Next check home directory for .fgfsrc.hostname file
314 if ( aircraft.empty() ) {
315 envp = ::getenv( "HOME" );
316 if ( envp != NULL ) {
317 SGPath config( envp );
318 config.append( ".fgfsrc" );
320 gethostname( name, 256 );
321 config.concat( "." );
322 config.concat( name );
323 aircraft = fgScanForOption( "--aircraft=", config.str() );
328 // Next check home directory for .fgfsrc file
329 if ( aircraft.empty() ) {
330 envp = ::getenv( "HOME" );
331 if ( envp != NULL ) {
332 SGPath config( envp );
333 config.append( ".fgfsrc" );
334 aircraft = fgScanForOption( "--aircraft=", config.str() );
338 // if an aircraft was specified, set the property name
339 if ( !aircraft.empty() ) {
340 SG_LOG(SG_INPUT, SG_INFO, "aircraft = " << aircraft );
341 fgSetString("/sim/aircraft", aircraft.c_str() );
343 SG_LOG(SG_INPUT, SG_INFO, "No user specified aircraft, using default" );
350 // Return the current base package version
351 string fgBasePackageVersion() {
352 SGPath base_path( globals->get_fg_root() );
353 base_path.append("version");
355 sg_gzifstream in( base_path.str() );
356 if ( !in.is_open() ) {
357 SGPath old_path( globals->get_fg_root() );
358 old_path.append( "Thanks" );
359 sg_gzifstream old( old_path.str() );
360 if ( !old.is_open() ) {
363 return "[old version]";
374 // Initialize the localization
375 SGPropertyNode *fgInitLocale(const char *language) {
376 SGPropertyNode *c_node = NULL, *d_node = NULL;
377 SGPropertyNode *intl = fgGetNode("/sim/intl");
379 SG_LOG(SG_GENERAL, SG_INFO, "Selecting language: " << language );
381 // localization not defined
386 // Select the proper language from the list
388 vector<SGPropertyNode_ptr> locale = intl->getChildren("locale");
389 for (unsigned int i = 0; i < locale.size(); i++) {
391 vector<SGPropertyNode_ptr> lang = locale[i]->getChildren("lang");
392 for (unsigned int j = 0; j < lang.size(); j++) {
394 if (!strcmp(lang[j]->getStringValue(), language)) {
403 d_node = intl->getChild("locale");
407 // Check for localized font
408 SGPropertyNode *font_n = c_node->getNode("font", true);
409 if ( !strcmp(font_n->getStringValue(), "") )
410 font_n->setStringValue(d_node->getStringValue("font", "typewriter.txf"));
414 // Load the default strings
416 SGPath d_path( globals->get_fg_root() );
418 const char *d_path_str = d_node->getStringValue("strings");
420 SG_LOG(SG_GENERAL, SG_ALERT, "Incorrect path in configuration file.");
424 d_path.append(d_path_str);
425 SG_LOG(SG_GENERAL, SG_INFO, "Reading localized strings from "
428 SGPropertyNode *strings = c_node->getNode("strings");
430 readProperties(d_path.str(), strings);
431 } catch (const sg_exception &e) {
432 SG_LOG(SG_GENERAL, SG_ALERT, "Unable to read the localized strings");
437 // Load the language specific strings
439 if (c_node != d_node) {
440 SGPath c_path( globals->get_fg_root() );
442 const char *c_path_str = c_node->getStringValue("strings");
444 SG_LOG(SG_GENERAL, SG_ALERT, "Incorrect path in configuration file.");
448 c_path.append(c_path_str);
449 SG_LOG(SG_GENERAL, SG_INFO, "Reading localized strings from "
453 readProperties(c_path.str(), strings);
454 } catch (const sg_exception &e) {
455 SG_LOG(SG_GENERAL, SG_ALERT, "Unable to read the localized strings");
465 // Initialize the localization routines
466 bool fgDetectLanguage() {
467 char *language = ::getenv("LANG");
469 if (language == NULL) {
470 SG_LOG(SG_GENERAL, SG_INFO, "Unable to detect the language" );
474 SGPropertyNode *locale = fgInitLocale(language);
476 SG_LOG(SG_GENERAL, SG_ALERT,
477 "No internationalization settings specified in preferences.xml" );
482 globals->set_locale( locale );
487 // Attempt to locate and parse the various non-XML config files in order
488 // from least precidence to greatest precidence
490 do_options (int argc, char ** argv)
492 // Check for $fg_root/system.fgfsrc
493 SGPath config( globals->get_fg_root() );
494 config.append( "system.fgfsrc" );
495 fgParseOptions(config.str());
497 #if defined( unix ) || defined( __CYGWIN__ )
499 // Check for $fg_root/system.fgfsrc.hostname
500 gethostname( name, 256 );
501 config.concat( "." );
502 config.concat( name );
503 fgParseOptions(config.str());
506 // Check for ~/.fgfsrc
507 char* envp = ::getenv( "HOME" );
508 if ( envp != NULL ) {
510 config.append( ".fgfsrc" );
511 fgParseOptions(config.str());
514 #if defined( unix ) || defined( __CYGWIN__ )
515 // Check for ~/.fgfsrc.hostname
516 gethostname( name, 256 );
517 config.concat( "." );
518 config.concat( name );
519 fgParseOptions(config.str());
522 // Parse remaining command line options
523 // These will override anything specified in a config file
524 fgParseArgs(argc, argv);
528 static string fgFindAircraftPath( const SGPath &path, const string &aircraft ) {
530 ulDir *dirp = ulOpenDir(path.str().c_str());
532 cerr << "Unable to open aircraft directory." << endl;
536 while ((dire = ulReadDir(dirp)) != NULL) {
538 if ( strcmp("CVS", dire->d_name) && strcmp(".", dire->d_name)
539 && strcmp("..", dire->d_name) )
542 next.append(dire->d_name);
544 string result = fgFindAircraftPath( next, aircraft );
545 if ( ! result.empty() ) {
549 } else if ( !strcmp(dire->d_name, aircraft.c_str()) ) {
560 // Read in configuration (file and command line)
561 bool fgInitConfig ( int argc, char **argv ) {
563 // First, set some sane default values
566 // Read global preferences from $FG_ROOT/preferences.xml
567 SG_LOG(SG_INPUT, SG_INFO, "Reading global preferences");
568 fgLoadProps("preferences.xml", globals->get_props());
569 SG_LOG(SG_INPUT, SG_INFO, "Finished Reading global preferences");
571 // Detect the required language as early as possible
572 if ( !fgDetectLanguage() ) {
576 // Scan user config files and command line for a specified aircraft.
577 fgInitFGAircraft(argc, argv);
579 string aircraft = fgGetString( "/sim/aircraft", "" );
580 if ( aircraft.size() > 0 ) {
581 SGPath aircraft_search( globals->get_fg_root() );
582 aircraft_search.append( "Aircraft" );
584 string aircraft_set = aircraft + "-set.xml";
586 string result = fgFindAircraftPath( aircraft_search, aircraft_set );
587 if ( !result.empty() ) {
588 fgSetString( "/sim/aircraft-dir", result.c_str() );
589 SGPath full_name( result );
590 full_name.append( aircraft_set );
592 SG_LOG(SG_INPUT, SG_INFO, "Reading default aircraft: " << aircraft
593 << " from " << full_name.str());
595 readProperties( full_name.str(), globals->get_props() );
596 } catch ( const sg_exception &e ) {
597 string message = "Error reading default aircraft: ";
598 message += e.getFormattedMessage();
599 SG_LOG(SG_INPUT, SG_ALERT, message);
603 SG_LOG( SG_INPUT, SG_ALERT, "Cannot find specified aircraft: "
609 SG_LOG( SG_INPUT, SG_ALERT, "No default aircraft specified" );
612 // parse options after loading aircraft to ensure any user
613 // overrides of defaults are honored.
614 do_options(argc, argv);
620 // find basic airport location info from airport database
621 bool fgFindAirportID( const string& id, FGAirport *a ) {
624 SG_LOG( SG_GENERAL, SG_INFO, "Searching for airport code = " << id );
626 result = globals->get_airports()->search( id );
628 if ( result.id.empty() ) {
629 SG_LOG( SG_GENERAL, SG_ALERT,
630 "Failed to find " << id << " in basic.dat.gz" );
639 SG_LOG( SG_GENERAL, SG_INFO,
640 "Position for " << id << " is ("
641 << a->longitude << ", "
642 << a->latitude << ")" );
648 // get airport elevation
649 static double fgGetAirportElev( const string& id ) {
653 SG_LOG( SG_GENERAL, SG_INFO,
654 "Finding elevation for airport: " << id );
656 if ( fgFindAirportID( id, &a ) ) {
666 // This function is never used, but maybe useful in the future ???
669 // Preset lon/lat given an airport id
670 static bool fgSetPosFromAirportID( const string& id ) {
674 SG_LOG( SG_GENERAL, SG_INFO,
675 "Attempting to set starting position from airport code " << id );
677 if ( fgFindAirportID( id, &a ) ) {
679 fgSetDouble("/sim/presets/longitude-deg", a.longitude );
680 fgSetDouble("/sim/presets/latitude-deg", a.latitude );
682 // other code depends on the actual postition being set so set
684 fgSetDouble("/position/longitude-deg", a.longitude );
685 fgSetDouble("/position/latitude-deg", a.latitude );
687 SG_LOG( SG_GENERAL, SG_INFO,
688 "Position for " << id << " is (" << a.longitude
689 << ", " << a.latitude << ")" );
699 // Set current tower position lon/lat given an airport id
700 static bool fgSetTowerPosFromAirportID( const string& id, double hdg ) {
702 // tower height hard coded for now...
703 float towerheight=50.0f;
705 // make a little off the heading for 1 runway airports...
706 float fudge_lon = fabs(sin(hdg)) * .003f;
707 float fudge_lat = .003f - fudge_lon;
709 if ( fgFindAirportID( id, &a ) ) {
710 fgSetDouble("/sim/tower/longitude-deg", a.longitude + fudge_lon);
711 fgSetDouble("/sim/tower/latitude-deg", a.latitude + fudge_lat);
712 fgSetDouble("/sim/tower/altitude-ft", a.elevation + towerheight);
721 // Set current_options lon/lat given an airport id and heading (degrees)
722 static bool fgSetPosFromAirportIDandHdg( const string& id, double tgt_hdg ) {
726 // set initial position from runway and heading
728 SG_LOG( SG_GENERAL, SG_INFO,
729 "Attempting to set starting position from airport code "
730 << id << " heading " << tgt_hdg );
732 if ( ! globals->get_runways()->search( id, (int)tgt_hdg, &r ) ) {
733 SG_LOG( SG_GENERAL, SG_ALERT,
734 "Failed to find a good runway for " << id << '\n' );
741 double lat2, lon2, az2;
742 double heading = r.heading;
743 double azimuth = heading + 180.0;
744 while ( azimuth >= 360.0 ) { azimuth -= 360.0; }
746 SG_LOG( SG_GENERAL, SG_INFO,
747 "runway = " << r.lon << ", " << r.lat
748 << " length = " << r.length * SG_FEET_TO_METER
749 << " heading = " << azimuth );
751 geo_direct_wgs_84 ( 0, r.lat, r.lon, azimuth,
752 r.length * SG_FEET_TO_METER * 0.5 - 5.0,
753 &lat2, &lon2, &az2 );
755 if ( fabs( fgGetDouble("/sim/presets/offset-distance") ) > SG_EPSILON ) {
757 double odist = fgGetDouble("/sim/presets/offset-distance");
758 odist *= SG_NM_TO_METER;
759 double oaz = azimuth;
760 if ( fabs(fgGetDouble("/sim/presets/offset-azimuth")) > SG_EPSILON ) {
761 oaz = fgGetDouble("/sim/presets/offset-azimuth") + 180;
764 while ( oaz >= 360.0 ) { oaz -= 360.0; }
765 geo_direct_wgs_84 ( 0, lat2, lon2, oaz, odist, &olat, &olon, &az2 );
771 fgSetDouble("/sim/presets/longitude-deg", lon2 );
772 fgSetDouble("/sim/presets/latitude-deg", lat2 );
773 fgSetDouble("/sim/presets/heading-deg", heading );
775 // other code depends on the actual values being set ...
776 fgSetDouble("/position/longitude-deg", lon2 );
777 fgSetDouble("/position/latitude-deg", lat2 );
778 fgSetDouble("/orientation/heading-deg", heading );
780 SG_LOG( SG_GENERAL, SG_INFO,
781 "Position for " << id << " is ("
783 << lat2 << ") new heading is "
790 // Set current_options lon/lat given an airport id and runway number
791 static bool fgSetPosFromAirportIDandRwy( const string& id, const string& rwy ) {
795 // set initial position from airport and runway number
797 SG_LOG( SG_GENERAL, SG_INFO,
798 "Attempting to set starting position for "
799 << id << ":" << rwy );
801 if ( ! globals->get_runways()->search( id, rwy, &r ) ) {
802 SG_LOG( SG_GENERAL, SG_ALERT,
803 "Failed to find runway " << rwy <<
804 " at airport " << id );
811 double lat2, lon2, az2;
812 double heading = r.heading;
813 double azimuth = heading + 180.0;
814 while ( azimuth >= 360.0 ) { azimuth -= 360.0; }
816 SG_LOG( SG_GENERAL, SG_INFO,
817 "runway = " << r.lon << ", " << r.lat
818 << " length = " << r.length * SG_FEET_TO_METER
819 << " heading = " << azimuth );
821 geo_direct_wgs_84 ( 0, r.lat, r.lon,
823 r.length * SG_FEET_TO_METER * 0.5 - 5.0,
824 &lat2, &lon2, &az2 );
826 if ( fabs( fgGetDouble("/sim/presets/offset-distance") ) > SG_EPSILON )
829 double odist = fgGetDouble("/sim/presets/offset-distance");
830 odist *= SG_NM_TO_METER;
831 double oaz = azimuth;
832 if ( fabs(fgGetDouble("/sim/presets/offset-azimuth")) > SG_EPSILON )
834 oaz = fgGetDouble("/sim/presets/offset-azimuth") + 180;
835 heading = fgGetDouble("/sim/presets/heading-deg");
837 while ( oaz >= 360.0 ) { oaz -= 360.0; }
838 geo_direct_wgs_84 ( 0, lat2, lon2, oaz, odist, &olat, &olon, &az2 );
844 fgSetDouble("/sim/presets/longitude-deg", lon2 );
845 fgSetDouble("/sim/presets/latitude-deg", lat2 );
846 fgSetDouble("/sim/presets/heading-deg", heading );
848 // other code depends on the actual values being set ...
849 fgSetDouble("/position/longitude-deg", lon2 );
850 fgSetDouble("/position/latitude-deg", lat2 );
851 fgSetDouble("/orientation/heading-deg", heading );
853 SG_LOG( SG_GENERAL, SG_INFO,
854 "Position for " << id << " is ("
856 << lat2 << ") new heading is "
863 static void fgSetDistOrAltFromGlideSlope() {
864 // cout << "fgSetDistOrAltFromGlideSlope()" << endl;
865 string apt_id = fgGetString("/sim/presets/airport-id");
866 double gs = fgGetDouble("/sim/presets/glideslope-deg")
867 * SG_DEGREES_TO_RADIANS ;
868 double od = fgGetDouble("/sim/presets/offset-distance");
869 double alt = fgGetDouble("/sim/presets/altitude-ft");
871 double apt_elev = 0.0;
872 if ( ! apt_id.empty() ) {
873 apt_elev = fgGetAirportElev( apt_id );
874 if ( apt_elev < -9990.0 ) {
881 if( fabs(gs) > 0.01 && fabs(od) > 0.1 && alt < -9990 ) {
882 // set altitude from glideslope and offset-distance
883 od *= SG_NM_TO_METER * SG_METER_TO_FEET;
884 alt = fabs(od*tan(gs)) + apt_elev;
885 fgSetDouble("/sim/presets/altitude-ft", alt);
886 fgSetBool("/sim/presets/onground", false);
887 SG_LOG( SG_GENERAL, SG_INFO, "Calculated altitude as: "
889 } else if( fabs(gs) > 0.01 && alt > 0 && fabs(od) < 0.1) {
890 // set offset-distance from glideslope and altitude
891 od = (alt - apt_elev) / tan(gs);
892 od *= -1*SG_FEET_TO_METER * SG_METER_TO_NM;
893 fgSetDouble("/sim/presets/offset-distance", od);
894 fgSetBool("/sim/presets/onground", false);
895 SG_LOG( SG_GENERAL, SG_INFO, "Calculated offset distance as: "
897 } else if( fabs(gs) > 0.01 ) {
898 SG_LOG( SG_GENERAL, SG_ALERT,
899 "Glideslope given but not altitude or offset-distance." );
900 SG_LOG( SG_GENERAL, SG_ALERT, "Resetting glideslope to zero" );
901 fgSetDouble("/sim/presets/glideslope-deg", 0);
902 fgSetBool("/sim/presets/onground", true);
907 // Set current_options lon/lat given an airport id and heading (degrees)
908 static bool fgSetPosFromNAV( const string& id, const double& freq ) {
909 FGNav *nav = current_navlist->findByIdentAndFreq( id.c_str(), freq );
911 // set initial position from runway and heading
913 SG_LOG( SG_GENERAL, SG_INFO, "Attempting to set starting position for "
914 << id << ":" << freq );
916 double lon = nav->get_lon();
917 double lat = nav->get_lat();
919 if ( fabs( fgGetDouble("/sim/presets/offset-distance") ) > SG_EPSILON )
921 double odist = fgGetDouble("/sim/presets/offset-distance")
923 double oaz = fabs(fgGetDouble("/sim/presets/offset-azimuth"))
925 while ( oaz >= 360.0 ) { oaz -= 360.0; }
926 double olat, olon, az2;
927 geo_direct_wgs_84 ( 0, lat, lon, oaz, odist, &olat, &olon, &az2 );
934 fgSetDouble("/sim/presets/longitude-deg", lon );
935 fgSetDouble("/sim/presets/latitude-deg", lat );
937 // other code depends on the actual values being set ...
938 fgSetDouble("/position/longitude-deg", lon );
939 fgSetDouble("/position/latitude-deg", lat );
940 fgSetDouble("/orientation/heading-deg",
941 fgGetDouble("/sim/presets/heading-deg") );
943 SG_LOG( SG_GENERAL, SG_INFO,
944 "Position for " << id << ":" << freq << " is ("
945 << lon << ", "<< lat << ")" );
949 SG_LOG( SG_GENERAL, SG_ALERT, "Failed to locate NAV = "
950 << id << ":" << freq );
956 // Set current_options lon/lat given an airport id and heading (degrees)
957 static bool fgSetPosFromFix( const string& id ) {
960 // set initial position from runway and heading
961 if ( current_fixlist->query( id.c_str(), &fix ) ) {
962 SG_LOG( SG_GENERAL, SG_INFO, "Attempting to set starting position for "
965 double lon = fix.get_lon();
966 double lat = fix.get_lat();
968 if ( fabs( fgGetDouble("/sim/presets/offset-distance") ) > SG_EPSILON )
970 double odist = fgGetDouble("/sim/presets/offset-distance")
972 double oaz = fabs(fgGetDouble("/sim/presets/offset-azimuth"))
974 while ( oaz >= 360.0 ) { oaz -= 360.0; }
975 double olat, olon, az2;
976 geo_direct_wgs_84 ( 0, lat, lon, oaz, odist, &olat, &olon, &az2 );
983 fgSetDouble("/sim/presets/longitude-deg", lon );
984 fgSetDouble("/sim/presets/latitude-deg", lat );
986 // other code depends on the actual values being set ...
987 fgSetDouble("/position/longitude-deg", lon );
988 fgSetDouble("/position/latitude-deg", lat );
989 fgSetDouble("/orientation/heading-deg",
990 fgGetDouble("/sim/presets/heading-deg") );
992 SG_LOG( SG_GENERAL, SG_INFO,
993 "Position for " << id << " is ("
994 << lon << ", "<< lat << ")" );
998 SG_LOG( SG_GENERAL, SG_ALERT, "Failed to locate NAV = "
1004 static void parseWaypoints() {
1005 string_list *waypoints = globals->get_initial_waypoints();
1007 vector<string>::iterator i;
1008 for (i = waypoints->begin();
1009 i != waypoints->end();
1014 // Now were done using the way points we can deallocate the
1016 while (waypoints->begin() != waypoints->end()) {
1017 waypoints->pop_back();
1020 globals->set_initial_waypoints(0);
1029 * Initialize vor/ndb/ils/fix list management and query systems (as
1030 * well as simple airport db list)
1035 SG_LOG(SG_GENERAL, SG_INFO, "Loading Simple Airport List");
1036 SGPath p_simple( globals->get_fg_root() );
1037 p_simple.append( "Airports/basic.dat" );
1038 SGPath p_metar( globals->get_fg_root() );
1039 p_metar.append( "Airports/metar.dat" );
1040 FGAirportList *airports = new FGAirportList(p_simple.str(), p_metar.str());
1041 globals->set_airports( airports );
1043 SG_LOG(SG_GENERAL, SG_INFO, "Loading Runway List");
1044 SGPath p_runway( globals->get_fg_root() );
1045 p_runway.append( "Airports/runways.dat" );
1046 FGRunwayList *runways = new FGRunwayList( p_runway.str() );
1047 globals->set_runways( runways );
1049 SG_LOG(SG_GENERAL, SG_INFO, "Loading Navaids");
1051 SG_LOG(SG_GENERAL, SG_INFO, " VOR/NDB");
1052 current_navlist = new FGNavList;
1053 SGPath p_nav( globals->get_fg_root() );
1054 p_nav.append( "Navaids/default.nav" );
1055 current_navlist->init( p_nav );
1057 SG_LOG(SG_GENERAL, SG_INFO, " ILS and Marker Beacons");
1058 current_beacons = new FGMarkerBeacons;
1059 current_beacons->init();
1060 current_ilslist = new FGILSList;
1061 SGPath p_ils( globals->get_fg_root() );
1062 p_ils.append( "Navaids/default.ils" );
1063 current_ilslist->init( p_ils );
1065 SG_LOG(SG_GENERAL, SG_INFO, " Fixes");
1066 current_fixlist = new FGFixList;
1067 SGPath p_fix( globals->get_fg_root() );
1068 p_fix.append( "Navaids/default.fix" );
1069 current_fixlist->init( p_fix );
1075 // Set the initial position based on presets (or defaults)
1076 bool fgInitPosition() {
1077 // cout << "fgInitPosition()" << endl;
1078 double gs = fgGetDouble("/sim/presets/glideslope-deg")
1079 * SG_DEGREES_TO_RADIANS ;
1080 double od = fgGetDouble("/sim/presets/offset-distance");
1081 double alt = fgGetDouble("/sim/presets/altitude-ft");
1083 bool set_pos = false;
1085 // If glideslope is specified, then calculate offset-distance or
1086 // altitude relative to glide slope if either of those was not
1088 if ( fabs( gs ) > 0.01 ) {
1089 fgSetDistOrAltFromGlideSlope();
1093 // If we have an explicit, in-range lon/lat, don't change it, just use it.
1094 // If not, check for an airport-id and use that.
1095 // If not, default to the middle of the KSFO field.
1096 // The default values for lon/lat are deliberately out of range
1097 // so that the airport-id can take effect; valid lon/lat will
1098 // override airport-id, however.
1099 double lon_deg = fgGetDouble("/sim/presets/longitude-deg");
1100 double lat_deg = fgGetDouble("/sim/presets/latitude-deg");
1101 if ( lon_deg >= -180.0 && lon_deg <= 180.0
1102 && lat_deg >= -90.0 && lat_deg <= 90.0 )
1107 string apt = fgGetString("/sim/presets/airport-id");
1108 string rwy_no = fgGetString("/sim/presets/runway");
1109 double hdg = fgGetDouble("/sim/presets/heading-deg");
1110 string vor = fgGetString("/sim/presets/vor-id");
1111 double vor_freq = fgGetDouble("/sim/presets/vor-freq");
1112 string ndb = fgGetString("/sim/presets/ndb-id");
1113 double ndb_freq = fgGetDouble("/sim/presets/ndb-freq");
1114 string fix = fgGetString("/sim/presets/fix");
1116 if ( !set_pos && !apt.empty() && !rwy_no.empty() ) {
1117 // An airport + runway is requested
1118 if ( fgSetPosFromAirportIDandRwy( apt, rwy_no ) ) {
1119 // set tower position (a little off the heading for single
1121 fgSetTowerPosFromAirportID( apt, hdg );
1126 if ( !set_pos && !apt.empty() ) {
1127 // An airport is requested (find runway closest to hdg)
1128 if ( fgSetPosFromAirportIDandHdg( apt, hdg ) ) {
1129 // set tower position (a little off the heading for single
1131 fgSetTowerPosFromAirportID( apt, hdg );
1136 if ( !set_pos && !vor.empty() ) {
1137 // a VOR is requested
1138 if ( fgSetPosFromNAV( vor, vor_freq ) ) {
1143 if ( !set_pos && !ndb.empty() ) {
1144 // an NDB is requested
1145 if ( fgSetPosFromNAV( ndb, ndb_freq ) ) {
1150 if ( !set_pos && !fix.empty() ) {
1151 // a Fix is requested
1152 if ( fgSetPosFromFix( fix ) ) {
1158 // No lon/lat specified, no airport specified, default to
1159 // middle of KSFO field.
1160 fgSetDouble("/sim/presets/longitude-deg", -122.374843);
1161 fgSetDouble("/sim/presets/latitude-deg", 37.619002);
1164 fgSetDouble( "/position/longitude-deg",
1165 fgGetDouble("/sim/presets/longitude-deg") );
1166 fgSetDouble( "/position/latitude-deg",
1167 fgGetDouble("/sim/presets/latitude-deg") );
1168 fgSetDouble( "/orientation/heading-deg",
1169 fgGetDouble("/sim/presets/heading-deg") );
1171 // determine if this should be an on-ground or in-air start
1172 if ( fabs(gs) > 0.01 || fabs(od) > 0.1 || alt > 0.1 ) {
1173 fgSetBool("/sim/presets/onground", false);
1175 fgSetBool("/sim/presets/onground", true);
1182 // General house keeping initializations
1183 bool fgInitGeneral() {
1186 #if defined(FX) && defined(XMESA)
1187 char *mesa_win_state;
1190 SG_LOG( SG_GENERAL, SG_INFO, "General Initialization" );
1191 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
1193 root = globals->get_fg_root();
1194 if ( ! root.length() ) {
1195 // No root path set? Then bail ...
1196 SG_LOG( SG_GENERAL, SG_ALERT,
1197 "Cannot continue without a path to the base package "
1198 << "being defined." );
1201 SG_LOG( SG_GENERAL, SG_INFO, "FG_ROOT = " << '"' << root << '"' << endl );
1203 #if defined(FX) && defined(XMESA)
1204 // initialize full screen flag
1205 globals->set_fullscreen(false);
1206 if ( strstr ( general.get_glRenderer(), "Glide" ) ) {
1207 // Test for the MESA_GLX_FX env variable
1208 if ( (mesa_win_state = getenv( "MESA_GLX_FX" )) != NULL) {
1209 // test if we are fullscreen mesa/glide
1210 if ( (mesa_win_state[0] == 'f') ||
1211 (mesa_win_state[0] == 'F') ) {
1212 globals->set_fullscreen(true);
1222 // Initialize the flight model subsystem. This just creates the
1223 // object. The actual fdm initialization is delayed until we get a
1224 // proper scenery elevation hit. This is checked for in main.cxx
1228 if ( cur_fdm_state ) {
1229 delete cur_fdm_state;
1233 double dt = 1.0 / fgGetInt("/sim/model-hz");
1234 aircraft_dir = fgGetString("/sim/aircraft-dir");
1235 const string &model = fgGetString("/sim/flight-model");
1238 if ( model == "larcsim" ) {
1239 cur_fdm_state = new FGLaRCsim( dt );
1240 } else if ( model == "jsb" ) {
1241 cur_fdm_state = new FGJSBsim( dt );
1242 } else if ( model == "ada" ) {
1243 cur_fdm_state = new FGADA( dt );
1244 } else if ( model == "balloon" ) {
1245 cur_fdm_state = new FGBalloonSim( dt );
1246 } else if ( model == "magic" ) {
1247 cur_fdm_state = new FGMagicCarpet( dt );
1248 } else if ( model == "ufo" ) {
1249 cur_fdm_state = new FGUFO( dt );
1250 } else if ( model == "external" ) {
1251 // external is a synonym for "--fdm=null" and is
1252 // maintained here for backwards compatibility
1253 cur_fdm_state = new FGNullFDM( dt );
1254 } else if ( model.find("network") == 0 ) {
1255 string host = "localhost";
1259 string net_options = model.substr(8);
1260 string::size_type begin, end;
1263 end = net_options.find( ",", begin );
1264 if ( end != string::npos ) {
1265 host = net_options.substr(begin, end - begin);
1269 end = net_options.find( ",", begin );
1270 if ( end != string::npos ) {
1271 port1 = atoi( net_options.substr(begin, end - begin).c_str() );
1275 end = net_options.find( ",", begin );
1276 if ( end != string::npos ) {
1277 port2 = atoi( net_options.substr(begin, end - begin).c_str() );
1281 end = net_options.find( ",", begin );
1282 if ( end != string::npos ) {
1283 port3 = atoi( net_options.substr(begin, end - begin).c_str() );
1286 cur_fdm_state = new FGExternalNet( dt, host, port1, port2, port3 );
1287 } else if ( model.find("pipe") == 0 ) {
1288 string pipe_path = model.substr(5);
1289 cur_fdm_state = new FGExternalPipe( dt, pipe_path );
1290 } else if ( model == "null" ) {
1291 cur_fdm_state = new FGNullFDM( dt );
1292 } else if ( model == "yasim" ) {
1293 cur_fdm_state = new YASim( dt );
1295 SG_LOG(SG_GENERAL, SG_ALERT,
1296 "Unrecognized flight model '" << model
1297 << "', cannot init flight dynamics model.");
1301 SG_LOG(SG_GENERAL, SG_ALERT, "FlightGear aborting\n\n");
1306 static void printMat(const sgVec4 *mat, char *name="")
1309 SG_LOG(SG_GENERAL, SG_BULK, name );
1310 for(i=0; i<4; i++) {
1311 SG_LOG(SG_GENERAL, SG_BULK, " " << mat[i][0] << " " << mat[i][1]
1312 << " " << mat[i][2] << " " << mat[i][3] );
1316 // Initialize view parameters
1318 // force update of model so that viewer can get some data...
1319 globals->get_aircraft_model()->update(0);
1320 // run update for current view so that data is current...
1321 globals->get_viewmgr()->update(0);
1323 printMat(globals->get_current_view()->get_VIEW(),"VIEW");
1324 printMat(globals->get_current_view()->get_UP(),"UP");
1325 // printMat(globals->get_current_view()->get_LOCAL(),"LOCAL");
1330 SGTime *fgInitTime() {
1332 static const SGPropertyNode *longitude
1333 = fgGetNode("/position/longitude-deg");
1334 static const SGPropertyNode *latitude
1335 = fgGetNode("/position/latitude-deg");
1336 static const SGPropertyNode *cur_time_override
1337 = fgGetNode("/sim/time/cur-time-override", true);
1339 SGPath zone( globals->get_fg_root() );
1340 zone.append( "Timezone" );
1341 SGTime *t = new SGTime( longitude->getDoubleValue()
1342 * SGD_DEGREES_TO_RADIANS,
1343 latitude->getDoubleValue()
1344 * SGD_DEGREES_TO_RADIANS,
1346 cur_time_override->getLongValue() );
1348 globals->set_warp_delta( 0 );
1350 t->update( 0.0, 0.0,
1351 cur_time_override->getLongValue(),
1352 globals->get_warp() );
1358 // set up a time offset (aka warp) if one is specified
1359 void fgInitTimeOffset() {
1360 static const SGPropertyNode *longitude
1361 = fgGetNode("/position/longitude-deg");
1362 static const SGPropertyNode *latitude
1363 = fgGetNode("/position/latitude-deg");
1364 static const SGPropertyNode *cur_time_override
1365 = fgGetNode("/sim/time/cur-time-override", true);
1367 // Handle potential user specified time offsets
1368 int orig_warp = globals->get_warp();
1369 SGTime *t = globals->get_time_params();
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 several possible scenarios
1377 int offset = fgGetInt("/sim/startup/time-offset");
1378 const string &offset_type = fgGetString("/sim/startup/time-offset-type");
1381 if ( offset_type == "real" ) {
1383 } else if ( offset_type == "dawn" ) {
1384 warp = fgTimeSecondsUntilSunAngle( cur_time,
1385 longitude->getDoubleValue()
1386 * SGD_DEGREES_TO_RADIANS,
1387 latitude->getDoubleValue()
1388 * SGD_DEGREES_TO_RADIANS,
1390 } else if ( offset_type == "morning" ) {
1391 warp = fgTimeSecondsUntilSunAngle( cur_time,
1392 longitude->getDoubleValue()
1393 * SGD_DEGREES_TO_RADIANS,
1394 latitude->getDoubleValue()
1395 * SGD_DEGREES_TO_RADIANS,
1397 } else if ( offset_type == "noon" ) {
1398 warp = fgTimeSecondsUntilSunAngle( cur_time,
1399 longitude->getDoubleValue()
1400 * SGD_DEGREES_TO_RADIANS,
1401 latitude->getDoubleValue()
1402 * SGD_DEGREES_TO_RADIANS,
1404 } else if ( offset_type == "afternoon" ) {
1405 warp = fgTimeSecondsUntilSunAngle( cur_time,
1406 longitude->getDoubleValue()
1407 * SGD_DEGREES_TO_RADIANS,
1408 latitude->getDoubleValue()
1409 * SGD_DEGREES_TO_RADIANS,
1411 } else if ( offset_type == "dusk" ) {
1412 warp = fgTimeSecondsUntilSunAngle( cur_time,
1413 longitude->getDoubleValue()
1414 * SGD_DEGREES_TO_RADIANS,
1415 latitude->getDoubleValue()
1416 * SGD_DEGREES_TO_RADIANS,
1418 } else if ( offset_type == "evening" ) {
1419 warp = fgTimeSecondsUntilSunAngle( cur_time,
1420 longitude->getDoubleValue()
1421 * SGD_DEGREES_TO_RADIANS,
1422 latitude->getDoubleValue()
1423 * SGD_DEGREES_TO_RADIANS,
1425 } else if ( offset_type == "midnight" ) {
1426 warp = fgTimeSecondsUntilSunAngle( cur_time,
1427 longitude->getDoubleValue()
1428 * SGD_DEGREES_TO_RADIANS,
1429 latitude->getDoubleValue()
1430 * SGD_DEGREES_TO_RADIANS,
1432 } else if ( offset_type == "system-offset" ) {
1434 } else if ( offset_type == "gmt-offset" ) {
1435 warp = offset - (currGMT - systemLocalTime);
1436 } else if ( offset_type == "latitude-offset" ) {
1437 warp = offset - (aircraftLocalTime - systemLocalTime);
1438 } else if ( offset_type == "system" ) {
1439 warp = offset - cur_time;
1440 } else if ( offset_type == "gmt" ) {
1441 warp = offset - currGMT;
1442 } else if ( offset_type == "latitude" ) {
1443 warp = offset - (aircraftLocalTime - systemLocalTime) - cur_time;
1445 SG_LOG( SG_GENERAL, SG_ALERT,
1446 "FG_TIME::Unsupported offset type " << offset_type );
1449 globals->set_warp( orig_warp + warp );
1450 t->update( longitude->getDoubleValue() * SGD_DEGREES_TO_RADIANS,
1451 latitude->getDoubleValue() * SGD_DEGREES_TO_RADIANS,
1452 cur_time_override->getLongValue(),
1453 globals->get_warp() );
1455 SG_LOG( SG_GENERAL, SG_INFO, "After fgInitTimeOffset(): warp = "
1456 << globals->get_warp() );
1459 // This is the top level init routine which calls all the other
1460 // initialization routines. If you are adding a subsystem to flight
1461 // gear, its initialization call should located in this routine.
1462 // Returns non-zero if a problem encountered.
1463 bool fgInitSubsystems() {
1464 // static const SGPropertyNode *longitude
1465 // = fgGetNode("/sim/presets/longitude-deg");
1466 // static const SGPropertyNode *latitude
1467 // = fgGetNode("/sim/presets/latitude-deg");
1468 // static const SGPropertyNode *altitude
1469 // = fgGetNode("/sim/presets/altitude-ft");
1471 SG_LOG( SG_GENERAL, SG_INFO, "Initialize Subsystems");
1472 SG_LOG( SG_GENERAL, SG_INFO, "========== ==========");
1474 ////////////////////////////////////////////////////////////////////
1475 // Initialize the event manager subsystem.
1476 ////////////////////////////////////////////////////////////////////
1478 globals->get_event_mgr()->init();
1479 globals->get_event_mgr()->setFreezeProperty(fgGetNode("/sim/freeze/clock"));
1481 ////////////////////////////////////////////////////////////////////
1482 // Initialize the property interpolator subsystem
1483 ////////////////////////////////////////////////////////////////////
1484 globals->add_subsystem("interpolator", new SGInterpolator);
1487 ////////////////////////////////////////////////////////////////////
1488 // Add the FlightGear property utilities.
1489 ////////////////////////////////////////////////////////////////////
1490 globals->add_subsystem("properties", new FGProperties);
1492 ////////////////////////////////////////////////////////////////////
1493 // Initialize the material property subsystem.
1494 ////////////////////////////////////////////////////////////////////
1496 SGPath mpath( globals->get_fg_root() );
1497 mpath.append( "materials.xml" );
1498 if ( ! globals->get_matlib()->load(globals->get_fg_root(), mpath.str()) ) {
1499 SG_LOG( SG_GENERAL, SG_ALERT, "Error loading material lib!" );
1504 ////////////////////////////////////////////////////////////////////
1505 // Initialize the scenery management subsystem.
1506 ////////////////////////////////////////////////////////////////////
1508 if ( globals->get_tile_mgr()->init() ) {
1509 // Load the local scenery data
1510 double visibility_meters = fgGetDouble("/environment/visibility-m");
1512 globals->get_tile_mgr()->update( visibility_meters );
1514 SG_LOG( SG_GENERAL, SG_ALERT, "Error in Tile Manager initialization!" );
1518 // cause refresh of viewer scenery timestamps every 15 seconds...
1519 globals->get_event_mgr()->addTask( "FGTileMgr::refresh_view_timestamps()",
1520 globals->get_tile_mgr(),
1521 &FGTileMgr::refresh_view_timestamps,
1524 SG_LOG( SG_GENERAL, SG_DEBUG,
1525 "Current terrain elevation after tile mgr init " <<
1526 globals->get_scenery()->get_cur_elev() );
1529 ////////////////////////////////////////////////////////////////////
1530 // Initialize the flight model subsystem.
1531 ////////////////////////////////////////////////////////////////////
1535 // allocates structures so must happen before any of the flight
1536 // model or control parameters are set
1537 fgAircraftInit(); // In the future this might not be the case.
1540 ////////////////////////////////////////////////////////////////////
1541 // Initialize the XML Autopilot subsystem.
1542 ////////////////////////////////////////////////////////////////////
1544 globals->add_subsystem( "xml-autopilot", new FGXMLAutopilot );
1545 globals->add_subsystem( "route-manager", new FGRouteMgr );
1548 ////////////////////////////////////////////////////////////////////
1549 // Initialize the view manager subsystem.
1550 ////////////////////////////////////////////////////////////////////
1554 ////////////////////////////////////////////////////////////////////
1555 // Create and register the logger.
1556 ////////////////////////////////////////////////////////////////////
1558 globals->add_subsystem("logger", new FGLogger);
1560 ////////////////////////////////////////////////////////////////////
1561 // Create and register the XML GUI.
1562 ////////////////////////////////////////////////////////////////////
1564 globals->add_subsystem("gui", new NewGUI, SGSubsystemMgr::INIT);
1567 ////////////////////////////////////////////////////////////////////
1568 // Initialize the local time subsystem.
1569 ////////////////////////////////////////////////////////////////////
1571 // update the current timezone each 30 minutes
1572 globals->get_event_mgr()->addTask( "fgUpdateLocalTime()",
1573 &fgUpdateLocalTime, 30*60 );
1576 ////////////////////////////////////////////////////////////////////
1577 // Initialize the weather subsystem.
1578 ////////////////////////////////////////////////////////////////////
1580 // Initialize the weather modeling subsystem
1581 globals->add_subsystem("environment", new FGEnvironmentMgr);
1584 ////////////////////////////////////////////////////////////////////
1585 // Initialize the lighting subsystem.
1586 ////////////////////////////////////////////////////////////////////
1588 globals->add_subsystem("lighting", new FGLight);
1591 #ifdef FG_USE_CLOUDS_3D
1592 ////////////////////////////////////////////////////////////////////
1593 // Initialize the 3D cloud subsystem.
1594 ////////////////////////////////////////////////////////////////////
1595 if ( fgGetBool("/sim/rendering/clouds3d") ) {
1596 static const SGPropertyNode *longitude
1597 = fgGetNode("/sim/presets/longitude-deg");
1598 static const SGPropertyNode *latitude
1599 = fgGetNode("/sim/presets/latitude-deg");
1600 // static const SGPropertyNode *altitude
1601 // = fgGetNode("/sim/presets/altitude-ft");
1603 SGPath cloud_path(globals->get_fg_root());
1605 cloud_path.append("Textures/Sky/scattered.rgba");
1606 SG_LOG(SG_GENERAL, SG_INFO, "Loading CLOUDS3d from: " << cloud_path.c_str());
1609 tx.read_rgba_texture(cloud_path.c_str());
1610 if ( !sgCloud3d->Load( tx.texture(), tx.width(),
1612 cloud_path.append("large.sky");
1613 if ( !sgCloud3d->Load( cloud_path.str(),
1615 latitude->getDoubleValue(),
1616 longitude->getDoubleValue()) )
1618 fgSetBool("/sim/rendering/clouds3d", false);
1619 SG_LOG(SG_GENERAL, SG_INFO, "CLOUDS3d FAILED: ");
1621 SG_LOG(SG_GENERAL, SG_INFO, "CLOUDS3d Loaded: ");
1625 #ifdef ENABLE_AUDIO_SUPPORT
1626 ////////////////////////////////////////////////////////////////////
1627 // Initialize the sound subsystem.
1628 ////////////////////////////////////////////////////////////////////
1630 globals->set_soundmgr(new SGSoundMgr);
1631 globals->get_soundmgr()->init();
1632 globals->get_soundmgr()->bind();
1635 ////////////////////////////////////////////////////////////////////
1636 // Initialize the sound-effects subsystem.
1637 ////////////////////////////////////////////////////////////////////
1639 globals->add_subsystem("fx", new FGFX);
1643 ////////////////////////////////////////////////////////////////////
1644 // Initialise ATC display system
1645 ////////////////////////////////////////////////////////////////////
1647 SG_LOG(SG_GENERAL, SG_INFO, " ATC Display");
1648 globals->set_ATC_display(new FGATCDisplay);
1649 globals->get_ATC_display()->init();
1651 ////////////////////////////////////////////////////////////////////
1652 // Initialise the ATC Manager
1653 ////////////////////////////////////////////////////////////////////
1655 SG_LOG(SG_GENERAL, SG_INFO, " ATC Manager");
1656 globals->set_ATC_mgr(new FGATCMgr);
1657 globals->get_ATC_mgr()->init();
1659 ////////////////////////////////////////////////////////////////////
1660 // Initialise the AI Manager
1661 ////////////////////////////////////////////////////////////////////
1663 SG_LOG(SG_GENERAL, SG_INFO, " AI Manager");
1664 globals->set_AI_mgr(new FGAIMgr);
1665 globals->get_AI_mgr()->init();
1667 ////////////////////////////////////////////////////////////////////
1668 // Initialise the AI Model Manager
1669 ////////////////////////////////////////////////////////////////////
1671 SG_LOG(SG_GENERAL, SG_INFO, " AI Model Manager");
1672 globals->add_subsystem("ai_model", new FGAIManager);
1675 globals->add_subsystem("instrumentation", new FGInstrumentMgr);
1676 globals->add_subsystem("systems", new FGSystemMgr);
1678 ////////////////////////////////////////////////////////////////////
1679 // Initialize the radio stack subsystem.
1680 ////////////////////////////////////////////////////////////////////
1682 current_radiostack = new FGRadioStack;
1683 current_radiostack->init();
1684 current_radiostack->bind();
1687 ////////////////////////////////////////////////////////////////////
1688 // Initialize the cockpit subsystem
1689 ////////////////////////////////////////////////////////////////////
1691 if( fgCockpitInit( ¤t_aircraft )) {
1692 // Cockpit initialized ok.
1694 SG_LOG( SG_GENERAL, SG_ALERT, "Error in Cockpit initialization!" );
1699 ////////////////////////////////////////////////////////////////////
1700 // Initialize the autopilot subsystem.
1701 ////////////////////////////////////////////////////////////////////
1703 // FIXME: these should go in the
1704 // GUI initialization code, not here.
1705 // fgAPAdjustInit();
1706 NewTgtAirportInit();
1710 ////////////////////////////////////////////////////////////////////
1711 // Initialize I/O subsystem.
1712 ////////////////////////////////////////////////////////////////////
1714 globals->get_io()->init();
1715 globals->get_io()->bind();
1718 ////////////////////////////////////////////////////////////////////
1719 // Add a new 2D panel.
1720 ////////////////////////////////////////////////////////////////////
1722 string panel_path = fgGetString("/sim/panel/path",
1723 "Panels/Default/default.xml");
1725 globals->set_current_panel( fgReadPanel(panel_path) );
1726 if (globals->get_current_panel() == 0) {
1727 SG_LOG( SG_INPUT, SG_ALERT,
1728 "Error reading new panel from " << panel_path );
1730 SG_LOG( SG_INPUT, SG_INFO, "Loaded new panel from " << panel_path );
1731 globals->get_current_panel()->init();
1732 globals->get_current_panel()->bind();
1736 ////////////////////////////////////////////////////////////////////
1737 // Initialize the controls subsystem.
1738 ////////////////////////////////////////////////////////////////////
1740 globals->get_controls()->init();
1741 globals->get_controls()->bind();
1744 ////////////////////////////////////////////////////////////////////
1745 // Initialize the input subsystem.
1746 ////////////////////////////////////////////////////////////////////
1748 globals->add_subsystem("input", new FGInput);
1751 ////////////////////////////////////////////////////////////////////
1752 // Initialize the replay subsystem
1753 ////////////////////////////////////////////////////////////////////
1754 globals->add_subsystem("replay", new FGReplay);
1756 ////////////////////////////////////////////////////////////////////
1757 // Bind and initialize subsystems.
1758 ////////////////////////////////////////////////////////////////////
1760 globals->get_subsystem_mgr()->bind();
1761 globals->get_subsystem_mgr()->init();
1763 #ifdef FG_MPLAYER_AS
1764 ////////////////////////////////////////////////////////////////////
1765 // Initialize multiplayer subsystem
1766 ////////////////////////////////////////////////////////////////////
1768 globals->set_multiplayer_tx_mgr(new FGMultiplayTxMgr);
1769 globals->get_multiplayer_tx_mgr()->init();
1771 globals->set_multiplayer_rx_mgr(new FGMultiplayRxMgr);
1772 globals->get_multiplayer_rx_mgr()->init();
1775 ////////////////////////////////////////////////////////////////////////
1776 // Initialize the Nasal interpreter.
1777 // Do this last, so that the loaded scripts see initialized state
1778 ////////////////////////////////////////////////////////////////////////
1779 FGNasalSys* nasal = new FGNasalSys();
1780 globals->add_subsystem("nasal", nasal);
1783 ////////////////////////////////////////////////////////////////////
1784 // At this point we could try and parse the waypoint options
1785 ///////////////////////////////////////////////////////////////////
1789 ////////////////////////////////////////////////////////////////////////
1790 // End of subsystem initialization.
1791 ////////////////////////////////////////////////////////////////////
1793 SG_LOG( SG_GENERAL, SG_INFO, endl);
1795 // Save the initial state for future
1797 globals->saveInitialState();
1803 void fgReInitSubsystems()
1805 // static const SGPropertyNode *longitude
1806 // = fgGetNode("/sim/presets/longitude-deg");
1807 // static const SGPropertyNode *latitude
1808 // = fgGetNode("/sim/presets/latitude-deg");
1809 static const SGPropertyNode *altitude
1810 = fgGetNode("/sim/presets/altitude-ft");
1811 static const SGPropertyNode *master_freeze
1812 = fgGetNode("/sim/freeze/master");
1814 SG_LOG( SG_GENERAL, SG_INFO,
1815 "fgReInitSubsystems(): /position/altitude = "
1816 << altitude->getDoubleValue() );
1818 bool freeze = master_freeze->getBoolValue();
1820 fgSetBool("/sim/freeze/master", true);
1822 fgSetBool("/sim/crashed", false);
1824 // Initialize the FDM
1827 // allocates structures so must happen before any of the flight
1828 // model or control parameters are set
1829 fgAircraftInit(); // In the future this might not be the case.
1831 // reload offsets from config defaults
1832 globals->get_viewmgr()->reinit();
1836 globals->get_controls()->reset_all();
1838 fgUpdateLocalTime();
1840 // re-init to proper time of day setting
1844 fgSetBool("/sim/freeze/master", false);