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/navdb.hxx>
102 #include <Navaids/navlist.hxx>
103 #include <Replay/replay.hxx>
104 #include <Scenery/scenery.hxx>
105 #include <Scenery/tilemgr.hxx>
106 #include <Scripting/NasalSys.hxx>
107 #include <Sound/fg_fx.hxx>
108 #include <Systems/system_mgr.hxx>
109 #include <Time/light.hxx>
110 #include <Time/moonpos.hxx>
111 #include <Time/sunpos.hxx>
112 #include <Time/sunsolver.hxx>
113 #include <Time/tmp.hxx>
116 #include <MultiPlayer/multiplaytxmgr.hxx>
117 #include <MultiPlayer/multiplayrxmgr.hxx>
120 #include <Environment/environment_mgr.hxx>
122 #include "fg_init.hxx"
124 #include "fg_commands.hxx"
125 #include "fg_props.hxx"
126 #include "options.hxx"
127 #include "globals.hxx"
128 #include "logger.hxx"
129 #include "viewmgr.hxx"
131 #if defined(FX) && defined(XMESA)
132 #include <GL/xmesa.h>
135 SG_USING_STD(string);
140 extern const char *default_root;
143 #ifdef FG_USE_CLOUDS_3D
144 SkySceneLoader *sgCloud3d;
148 // Scan the command line options for the specified option and return
150 static string fgScanForOption( const string& option, int argc, char **argv ) {
153 SG_LOG(SG_GENERAL, SG_INFO, "Scanning command line for: " << option );
155 int len = option.length();
158 SG_LOG( SG_GENERAL, SG_DEBUG, "argv[" << i << "] = " << argv[i] );
160 string arg = argv[i];
161 if ( arg.find( option ) == 0 ) {
162 return arg.substr( len );
172 // Scan the user config files for the specified option and return
174 static string fgScanForOption( const string& option, const string& path ) {
175 sg_gzifstream in( path );
176 if ( !in.is_open() ) {
180 SG_LOG( SG_GENERAL, SG_INFO, "Scanning " << path << " for: " << option );
182 int len = option.length();
186 while ( ! in.eof() ) {
189 while ( in.get(c) && c != '\0' ) {
194 #if defined( macintosh )
195 getline( in, line, '\r' );
197 getline( in, line, '\n' );
200 // catch extraneous (DOS) line ending character
201 if ( line[line.length() - 1] < 32 ) {
202 line = line.substr( 0, line.length()-1 );
205 if ( line.find( option ) == 0 ) {
206 return line.substr( len );
216 // Read in configuration (files and command line options) but only set
218 bool fgInitFGRoot ( int argc, char **argv ) {
222 // First parse command line options looking for --fg-root=, this
223 // will override anything specified in a config file
224 root = fgScanForOption( "--fg-root=", argc, argv);
226 #if defined( unix ) || defined( __CYGWIN__ )
227 // Next check home directory for .fgfsrc.hostname file
228 if ( root.empty() ) {
229 envp = ::getenv( "HOME" );
230 if ( envp != NULL ) {
231 SGPath config( envp );
232 config.append( ".fgfsrc" );
234 gethostname( name, 256 );
235 config.concat( "." );
236 config.concat( name );
237 root = fgScanForOption( "--fg-root=", config.str() );
242 // Next check home directory for .fgfsrc file
243 if ( root.empty() ) {
244 envp = ::getenv( "HOME" );
245 if ( envp != NULL ) {
246 SGPath config( envp );
247 config.append( ".fgfsrc" );
248 root = fgScanForOption( "--fg-root=", config.str() );
252 // Next check if fg-root is set as an env variable
253 if ( root.empty() ) {
254 envp = ::getenv( "FG_ROOT" );
255 if ( envp != NULL ) {
260 // Otherwise, default to a random compiled-in location if we can't
261 // find fg-root any other way.
262 if ( root.empty() ) {
263 #if defined( __CYGWIN__ )
264 root = "/FlightGear";
265 #elif defined( WIN32 )
266 root = "\\FlightGear";
267 #elif defined(OSX_BUNDLE)
268 /* the following code looks for the base package directly inside
269 the application bundle. This can be changed fairly easily by
270 fiddling with the code below. And yes, I know it's ugly and verbose.
272 CFBundleRef appBundle = CFBundleGetMainBundle();
273 CFURLRef appUrl = CFBundleCopyBundleURL(appBundle);
274 CFRelease(appBundle);
276 // look for a 'data' subdir directly inside the bundle : is there
277 // a better place? maybe in Resources? I don't know ...
278 CFURLRef dataDir = CFURLCreateCopyAppendingPathComponent(NULL, appUrl, CFSTR("data"), true);
280 // now convert down to a path, and the a c-string
281 CFStringRef path = CFURLCopyFileSystemPath(dataDir, kCFURLPOSIXPathStyle);
282 root = CFStringGetCStringPtr(path, CFStringGetSystemEncoding());
285 CFRelease(appBundle);
293 SG_LOG(SG_INPUT, SG_INFO, "fg_root = " << root );
294 globals->set_fg_root(root);
300 // Read in configuration (files and command line options) but only set
302 bool fgInitFGAircraft ( int argc, char **argv ) {
306 // First parse command line options looking for --aircraft=, this
307 // will override anything specified in a config file
308 aircraft = fgScanForOption( "--aircraft=", argc, argv );
310 #if defined( unix ) || defined( __CYGWIN__ )
311 // Next check home directory for .fgfsrc.hostname file
312 if ( aircraft.empty() ) {
313 envp = ::getenv( "HOME" );
314 if ( envp != NULL ) {
315 SGPath config( envp );
316 config.append( ".fgfsrc" );
318 gethostname( name, 256 );
319 config.concat( "." );
320 config.concat( name );
321 aircraft = fgScanForOption( "--aircraft=", config.str() );
326 // Next check home directory for .fgfsrc file
327 if ( aircraft.empty() ) {
328 envp = ::getenv( "HOME" );
329 if ( envp != NULL ) {
330 SGPath config( envp );
331 config.append( ".fgfsrc" );
332 aircraft = fgScanForOption( "--aircraft=", config.str() );
336 // if an aircraft was specified, set the property name
337 if ( !aircraft.empty() ) {
338 SG_LOG(SG_INPUT, SG_INFO, "aircraft = " << aircraft );
339 fgSetString("/sim/aircraft", aircraft.c_str() );
341 SG_LOG(SG_INPUT, SG_INFO, "No user specified aircraft, using default" );
348 // Return the current base package version
349 string fgBasePackageVersion() {
350 SGPath base_path( globals->get_fg_root() );
351 base_path.append("version");
353 sg_gzifstream in( base_path.str() );
354 if ( !in.is_open() ) {
355 SGPath old_path( globals->get_fg_root() );
356 old_path.append( "Thanks" );
357 sg_gzifstream old( old_path.str() );
358 if ( !old.is_open() ) {
361 return "[old version]";
372 // Initialize the localization
373 SGPropertyNode *fgInitLocale(const char *language) {
374 SGPropertyNode *c_node = NULL, *d_node = NULL;
375 SGPropertyNode *intl = fgGetNode("/sim/intl");
377 SG_LOG(SG_GENERAL, SG_INFO, "Selecting language: " << language );
379 // localization not defined
384 // Select the proper language from the list
386 vector<SGPropertyNode_ptr> locale = intl->getChildren("locale");
387 for (unsigned int i = 0; i < locale.size(); i++) {
389 vector<SGPropertyNode_ptr> lang = locale[i]->getChildren("lang");
390 for (unsigned int j = 0; j < lang.size(); j++) {
392 if (!strcmp(lang[j]->getStringValue(), language)) {
401 d_node = intl->getChild("locale");
405 // Check for localized font
406 SGPropertyNode *font_n = c_node->getNode("font", true);
407 if ( !strcmp(font_n->getStringValue(), "") )
408 font_n->setStringValue(d_node->getStringValue("font", "typewriter.txf"));
412 // Load the default strings
414 SGPath d_path( globals->get_fg_root() );
416 const char *d_path_str = d_node->getStringValue("strings");
418 SG_LOG(SG_GENERAL, SG_ALERT, "Incorrect path in configuration file.");
422 d_path.append(d_path_str);
423 SG_LOG(SG_GENERAL, SG_INFO, "Reading localized strings from "
426 SGPropertyNode *strings = c_node->getNode("strings");
428 readProperties(d_path.str(), strings);
429 } catch (const sg_exception &e) {
430 SG_LOG(SG_GENERAL, SG_ALERT, "Unable to read the localized strings");
435 // Load the language specific strings
437 if (c_node != d_node) {
438 SGPath c_path( globals->get_fg_root() );
440 const char *c_path_str = c_node->getStringValue("strings");
442 SG_LOG(SG_GENERAL, SG_ALERT, "Incorrect path in configuration file.");
446 c_path.append(c_path_str);
447 SG_LOG(SG_GENERAL, SG_INFO, "Reading localized strings from "
451 readProperties(c_path.str(), strings);
452 } catch (const sg_exception &e) {
453 SG_LOG(SG_GENERAL, SG_ALERT, "Unable to read the localized strings");
463 // Initialize the localization routines
464 bool fgDetectLanguage() {
465 char *language = ::getenv("LANG");
467 if (language == NULL) {
468 SG_LOG(SG_GENERAL, SG_INFO, "Unable to detect the language" );
472 SGPropertyNode *locale = fgInitLocale(language);
474 SG_LOG(SG_GENERAL, SG_ALERT,
475 "No internationalization settings specified in preferences.xml" );
480 globals->set_locale( locale );
485 // Attempt to locate and parse the various non-XML config files in order
486 // from least precidence to greatest precidence
488 do_options (int argc, char ** argv)
490 // Check for $fg_root/system.fgfsrc
491 SGPath config( globals->get_fg_root() );
492 config.append( "system.fgfsrc" );
493 fgParseOptions(config.str());
495 #if defined( unix ) || defined( __CYGWIN__ )
497 // Check for $fg_root/system.fgfsrc.hostname
498 gethostname( name, 256 );
499 config.concat( "." );
500 config.concat( name );
501 fgParseOptions(config.str());
504 // Check for ~/.fgfsrc
505 char* envp = ::getenv( "HOME" );
506 if ( envp != NULL ) {
508 config.append( ".fgfsrc" );
509 fgParseOptions(config.str());
512 #if defined( unix ) || defined( __CYGWIN__ )
513 // Check for ~/.fgfsrc.hostname
514 gethostname( name, 256 );
515 config.concat( "." );
516 config.concat( name );
517 fgParseOptions(config.str());
520 // Parse remaining command line options
521 // These will override anything specified in a config file
522 fgParseArgs(argc, argv);
526 static string fgFindAircraftPath( const SGPath &path, const string &aircraft ) {
528 ulDir *dirp = ulOpenDir(path.str().c_str());
530 cerr << "Unable to open aircraft directory." << endl;
534 while ((dire = ulReadDir(dirp)) != NULL) {
536 if ( strcmp("CVS", dire->d_name) && strcmp(".", dire->d_name)
537 && strcmp("..", dire->d_name) )
540 next.append(dire->d_name);
542 string result = fgFindAircraftPath( next, aircraft );
543 if ( ! result.empty() ) {
547 } else if ( !strcmp(dire->d_name, aircraft.c_str()) ) {
558 // Read in configuration (file and command line)
559 bool fgInitConfig ( int argc, char **argv ) {
561 // First, set some sane default values
564 // Read global preferences from $FG_ROOT/preferences.xml
565 SG_LOG(SG_INPUT, SG_INFO, "Reading global preferences");
566 fgLoadProps("preferences.xml", globals->get_props());
567 SG_LOG(SG_INPUT, SG_INFO, "Finished Reading global preferences");
569 // Detect the required language as early as possible
570 if ( !fgDetectLanguage() ) {
574 // Scan user config files and command line for a specified aircraft.
575 fgInitFGAircraft(argc, argv);
577 string aircraft = fgGetString( "/sim/aircraft", "" );
578 if ( aircraft.size() > 0 ) {
579 SGPath aircraft_search( globals->get_fg_root() );
580 aircraft_search.append( "Aircraft" );
582 string aircraft_set = aircraft + "-set.xml";
584 string result = fgFindAircraftPath( aircraft_search, aircraft_set );
585 if ( !result.empty() ) {
586 fgSetString( "/sim/aircraft-dir", result.c_str() );
587 SGPath full_name( result );
588 full_name.append( aircraft_set );
590 SG_LOG(SG_INPUT, SG_INFO, "Reading default aircraft: " << aircraft
591 << " from " << full_name.str());
593 readProperties( full_name.str(), globals->get_props() );
594 } catch ( const sg_exception &e ) {
595 string message = "Error reading default aircraft: ";
596 message += e.getFormattedMessage();
597 SG_LOG(SG_INPUT, SG_ALERT, message);
601 SG_LOG( SG_INPUT, SG_ALERT, "Cannot find specified aircraft: "
607 SG_LOG( SG_INPUT, SG_ALERT, "No default aircraft specified" );
610 // parse options after loading aircraft to ensure any user
611 // overrides of defaults are honored.
612 do_options(argc, argv);
618 // find basic airport location info from airport database
619 bool fgFindAirportID( const string& id, FGAirport *a ) {
622 SG_LOG( SG_GENERAL, SG_INFO, "Searching for airport code = " << id );
624 result = globals->get_airports()->search( id );
626 if ( result.id.empty() ) {
627 SG_LOG( SG_GENERAL, SG_ALERT,
628 "Failed to find " << id << " in basic.dat.gz" );
637 SG_LOG( SG_GENERAL, SG_INFO,
638 "Position for " << id << " is ("
639 << a->longitude << ", "
640 << a->latitude << ")" );
646 // get airport elevation
647 static double fgGetAirportElev( const string& id ) {
651 SG_LOG( SG_GENERAL, SG_INFO,
652 "Finding elevation for airport: " << id );
654 if ( fgFindAirportID( id, &a ) ) {
664 // This function is never used, but maybe useful in the future ???
667 // Preset lon/lat given an airport id
668 static bool fgSetPosFromAirportID( const string& id ) {
672 SG_LOG( SG_GENERAL, SG_INFO,
673 "Attempting to set starting position from airport code " << id );
675 if ( fgFindAirportID( id, &a ) ) {
677 fgSetDouble("/sim/presets/longitude-deg", a.longitude );
678 fgSetDouble("/sim/presets/latitude-deg", a.latitude );
680 // other code depends on the actual postition being set so set
682 fgSetDouble("/position/longitude-deg", a.longitude );
683 fgSetDouble("/position/latitude-deg", a.latitude );
685 SG_LOG( SG_GENERAL, SG_INFO,
686 "Position for " << id << " is (" << a.longitude
687 << ", " << a.latitude << ")" );
697 // Set current tower position lon/lat given an airport id
698 static bool fgSetTowerPosFromAirportID( const string& id, double hdg ) {
700 // tower height hard coded for now...
701 float towerheight=50.0f;
703 // make a little off the heading for 1 runway airports...
704 float fudge_lon = fabs(sin(hdg)) * .003f;
705 float fudge_lat = .003f - fudge_lon;
707 if ( fgFindAirportID( id, &a ) ) {
708 fgSetDouble("/sim/tower/longitude-deg", a.longitude + fudge_lon);
709 fgSetDouble("/sim/tower/latitude-deg", a.latitude + fudge_lat);
710 fgSetDouble("/sim/tower/altitude-ft", a.elevation + towerheight);
719 // Set current_options lon/lat given an airport id and heading (degrees)
720 static bool fgSetPosFromAirportIDandHdg( const string& id, double tgt_hdg ) {
724 // set initial position from runway and heading
726 SG_LOG( SG_GENERAL, SG_INFO,
727 "Attempting to set starting position from airport code "
728 << id << " heading " << tgt_hdg );
730 if ( ! globals->get_runways()->search( id, (int)tgt_hdg, &r ) ) {
731 SG_LOG( SG_GENERAL, SG_ALERT,
732 "Failed to find a good runway for " << id << '\n' );
739 double lat2, lon2, az2;
740 double heading = r.heading;
741 double azimuth = heading + 180.0;
742 while ( azimuth >= 360.0 ) { azimuth -= 360.0; }
744 SG_LOG( SG_GENERAL, SG_INFO,
745 "runway = " << r.lon << ", " << r.lat
746 << " length = " << r.length * SG_FEET_TO_METER
747 << " heading = " << azimuth );
749 geo_direct_wgs_84 ( 0, r.lat, r.lon, azimuth,
750 r.length * SG_FEET_TO_METER * 0.5 - 5.0,
751 &lat2, &lon2, &az2 );
753 if ( fabs( fgGetDouble("/sim/presets/offset-distance") ) > SG_EPSILON ) {
755 double odist = fgGetDouble("/sim/presets/offset-distance");
756 odist *= SG_NM_TO_METER;
757 double oaz = azimuth;
758 if ( fabs(fgGetDouble("/sim/presets/offset-azimuth")) > SG_EPSILON ) {
759 oaz = fgGetDouble("/sim/presets/offset-azimuth") + 180;
762 while ( oaz >= 360.0 ) { oaz -= 360.0; }
763 geo_direct_wgs_84 ( 0, lat2, lon2, oaz, odist, &olat, &olon, &az2 );
769 fgSetDouble("/sim/presets/longitude-deg", lon2 );
770 fgSetDouble("/sim/presets/latitude-deg", lat2 );
771 fgSetDouble("/sim/presets/heading-deg", heading );
773 // other code depends on the actual values being set ...
774 fgSetDouble("/position/longitude-deg", lon2 );
775 fgSetDouble("/position/latitude-deg", lat2 );
776 fgSetDouble("/orientation/heading-deg", heading );
778 SG_LOG( SG_GENERAL, SG_INFO,
779 "Position for " << id << " is ("
781 << lat2 << ") new heading is "
788 // Set current_options lon/lat given an airport id and runway number
789 static bool fgSetPosFromAirportIDandRwy( const string& id, const string& rwy ) {
793 // set initial position from airport and runway number
795 SG_LOG( SG_GENERAL, SG_INFO,
796 "Attempting to set starting position for "
797 << id << ":" << rwy );
799 if ( ! globals->get_runways()->search( id, rwy, &r ) ) {
800 SG_LOG( SG_GENERAL, SG_ALERT,
801 "Failed to find runway " << rwy <<
802 " at airport " << id );
809 double lat2, lon2, az2;
810 double heading = r.heading;
811 double azimuth = heading + 180.0;
812 while ( azimuth >= 360.0 ) { azimuth -= 360.0; }
814 SG_LOG( SG_GENERAL, SG_INFO,
815 "runway = " << r.lon << ", " << r.lat
816 << " length = " << r.length * SG_FEET_TO_METER
817 << " heading = " << azimuth );
819 geo_direct_wgs_84 ( 0, r.lat, r.lon,
821 r.length * SG_FEET_TO_METER * 0.5 - 5.0,
822 &lat2, &lon2, &az2 );
824 if ( fabs( fgGetDouble("/sim/presets/offset-distance") ) > SG_EPSILON )
827 double odist = fgGetDouble("/sim/presets/offset-distance");
828 odist *= SG_NM_TO_METER;
829 double oaz = azimuth;
830 if ( fabs(fgGetDouble("/sim/presets/offset-azimuth")) > SG_EPSILON )
832 oaz = fgGetDouble("/sim/presets/offset-azimuth") + 180;
833 heading = fgGetDouble("/sim/presets/heading-deg");
835 while ( oaz >= 360.0 ) { oaz -= 360.0; }
836 geo_direct_wgs_84 ( 0, lat2, lon2, oaz, odist, &olat, &olon, &az2 );
842 fgSetDouble("/sim/presets/longitude-deg", lon2 );
843 fgSetDouble("/sim/presets/latitude-deg", lat2 );
844 fgSetDouble("/sim/presets/heading-deg", heading );
846 // other code depends on the actual values being set ...
847 fgSetDouble("/position/longitude-deg", lon2 );
848 fgSetDouble("/position/latitude-deg", lat2 );
849 fgSetDouble("/orientation/heading-deg", heading );
851 SG_LOG( SG_GENERAL, SG_INFO,
852 "Position for " << id << " is ("
854 << lat2 << ") new heading is "
861 static void fgSetDistOrAltFromGlideSlope() {
862 // cout << "fgSetDistOrAltFromGlideSlope()" << endl;
863 string apt_id = fgGetString("/sim/presets/airport-id");
864 double gs = fgGetDouble("/sim/presets/glideslope-deg")
865 * SG_DEGREES_TO_RADIANS ;
866 double od = fgGetDouble("/sim/presets/offset-distance");
867 double alt = fgGetDouble("/sim/presets/altitude-ft");
869 double apt_elev = 0.0;
870 if ( ! apt_id.empty() ) {
871 apt_elev = fgGetAirportElev( apt_id );
872 if ( apt_elev < -9990.0 ) {
879 if( fabs(gs) > 0.01 && fabs(od) > 0.1 && alt < -9990 ) {
880 // set altitude from glideslope and offset-distance
881 od *= SG_NM_TO_METER * SG_METER_TO_FEET;
882 alt = fabs(od*tan(gs)) + apt_elev;
883 fgSetDouble("/sim/presets/altitude-ft", alt);
884 fgSetBool("/sim/presets/onground", false);
885 SG_LOG( SG_GENERAL, SG_INFO, "Calculated altitude as: "
887 } else if( fabs(gs) > 0.01 && alt > 0 && fabs(od) < 0.1) {
888 // set offset-distance from glideslope and altitude
889 od = (alt - apt_elev) / tan(gs);
890 od *= -1*SG_FEET_TO_METER * SG_METER_TO_NM;
891 fgSetDouble("/sim/presets/offset-distance", od);
892 fgSetBool("/sim/presets/onground", false);
893 SG_LOG( SG_GENERAL, SG_INFO, "Calculated offset distance as: "
895 } else if( fabs(gs) > 0.01 ) {
896 SG_LOG( SG_GENERAL, SG_ALERT,
897 "Glideslope given but not altitude or offset-distance." );
898 SG_LOG( SG_GENERAL, SG_ALERT, "Resetting glideslope to zero" );
899 fgSetDouble("/sim/presets/glideslope-deg", 0);
900 fgSetBool("/sim/presets/onground", true);
905 // Set current_options lon/lat given an airport id and heading (degrees)
906 static bool fgSetPosFromNAV( const string& id, const double& freq ) {
908 = globals->get_navlist()->findByIdentAndFreq( id.c_str(), freq );
910 // set initial position from runway and heading
912 SG_LOG( SG_GENERAL, SG_INFO, "Attempting to set starting position for "
913 << id << ":" << freq );
915 double lon = nav->get_lon();
916 double lat = nav->get_lat();
918 if ( fabs( fgGetDouble("/sim/presets/offset-distance") ) > SG_EPSILON )
920 double odist = fgGetDouble("/sim/presets/offset-distance")
922 double oaz = fabs(fgGetDouble("/sim/presets/offset-azimuth"))
924 while ( oaz >= 360.0 ) { oaz -= 360.0; }
925 double olat, olon, az2;
926 geo_direct_wgs_84 ( 0, lat, lon, oaz, odist, &olat, &olon, &az2 );
933 fgSetDouble("/sim/presets/longitude-deg", lon );
934 fgSetDouble("/sim/presets/latitude-deg", lat );
936 // other code depends on the actual values being set ...
937 fgSetDouble("/position/longitude-deg", lon );
938 fgSetDouble("/position/latitude-deg", lat );
939 fgSetDouble("/orientation/heading-deg",
940 fgGetDouble("/sim/presets/heading-deg") );
942 SG_LOG( SG_GENERAL, SG_INFO,
943 "Position for " << id << ":" << freq << " is ("
944 << lon << ", "<< lat << ")" );
948 SG_LOG( SG_GENERAL, SG_ALERT, "Failed to locate NAV = "
949 << id << ":" << freq );
955 // Set current_options lon/lat given an airport id and heading (degrees)
956 static bool fgSetPosFromFix( const string& id ) {
959 // set initial position from runway and heading
960 if ( globals->get_fixlist()->query( id.c_str(), &fix ) ) {
961 SG_LOG( SG_GENERAL, SG_INFO, "Attempting to set starting position for "
964 double lon = fix.get_lon();
965 double lat = fix.get_lat();
967 if ( fabs( fgGetDouble("/sim/presets/offset-distance") ) > SG_EPSILON )
969 double odist = fgGetDouble("/sim/presets/offset-distance")
971 double oaz = fabs(fgGetDouble("/sim/presets/offset-azimuth"))
973 while ( oaz >= 360.0 ) { oaz -= 360.0; }
974 double olat, olon, az2;
975 geo_direct_wgs_84 ( 0, lat, lon, oaz, odist, &olat, &olon, &az2 );
982 fgSetDouble("/sim/presets/longitude-deg", lon );
983 fgSetDouble("/sim/presets/latitude-deg", lat );
985 // other code depends on the actual values being set ...
986 fgSetDouble("/position/longitude-deg", lon );
987 fgSetDouble("/position/latitude-deg", lat );
988 fgSetDouble("/orientation/heading-deg",
989 fgGetDouble("/sim/presets/heading-deg") );
991 SG_LOG( SG_GENERAL, SG_INFO,
992 "Position for " << id << " is ("
993 << lon << ", "<< lat << ")" );
997 SG_LOG( SG_GENERAL, SG_ALERT, "Failed to locate NAV = "
1003 static void parseWaypoints() {
1004 string_list *waypoints = globals->get_initial_waypoints();
1006 vector<string>::iterator i;
1007 for (i = waypoints->begin();
1008 i != waypoints->end();
1013 // Now were done using the way points we can deallocate the
1015 while (waypoints->begin() != waypoints->end()) {
1016 waypoints->pop_back();
1019 globals->set_initial_waypoints(0);
1028 * Initialize vor/ndb/ils/fix list management and query systems (as
1029 * well as simple airport db list)
1034 SG_LOG(SG_GENERAL, SG_INFO, "Loading Simple Airport List");
1035 SGPath p_simple( globals->get_fg_root() );
1036 p_simple.append( "Airports/basic.dat" );
1037 SGPath p_metar( globals->get_fg_root() );
1038 p_metar.append( "Airports/metar.dat" );
1039 FGAirportList *airports = new FGAirportList(p_simple.str(), p_metar.str());
1040 globals->set_airports( airports );
1042 SG_LOG(SG_GENERAL, SG_INFO, "Loading Runway List");
1043 SGPath p_runway( globals->get_fg_root() );
1044 p_runway.append( "Airports/runways.dat" );
1045 FGRunwayList *runways = new FGRunwayList( p_runway.str() );
1046 globals->set_runways( runways );
1048 FGNavList *navlist = new FGNavList;
1049 FGNavList *loclist = new FGNavList;
1050 FGNavList *gslist = new FGNavList;
1051 FGNavList *dmelist = new FGNavList;
1052 FGNavList *mkrlist = new FGNavList;
1054 globals->set_navlist( navlist );
1055 globals->set_loclist( loclist );
1056 globals->set_gslist( gslist );
1057 globals->set_dmelist( dmelist );
1058 globals->set_mkrlist( mkrlist );
1060 if ( !fgNavDBInit( navlist, loclist, gslist, dmelist, mkrlist ) ) {
1061 SG_LOG( SG_GENERAL, SG_ALERT,
1062 "Problems loading one or more navigational database" );
1065 SG_LOG(SG_GENERAL, SG_INFO, " Fixes");
1066 SGPath p_fix( globals->get_fg_root() );
1067 p_fix.append( "Navaids/fix.dat" );
1068 FGFixList *fixlist = new FGFixList;
1069 fixlist->init( p_fix );
1070 globals->set_fixlist( fixlist );
1076 // Set the initial position based on presets (or defaults)
1077 bool fgInitPosition() {
1078 // cout << "fgInitPosition()" << endl;
1079 double gs = fgGetDouble("/sim/presets/glideslope-deg")
1080 * SG_DEGREES_TO_RADIANS ;
1081 double od = fgGetDouble("/sim/presets/offset-distance");
1082 double alt = fgGetDouble("/sim/presets/altitude-ft");
1084 bool set_pos = false;
1086 // If glideslope is specified, then calculate offset-distance or
1087 // altitude relative to glide slope if either of those was not
1089 if ( fabs( gs ) > 0.01 ) {
1090 fgSetDistOrAltFromGlideSlope();
1094 // If we have an explicit, in-range lon/lat, don't change it, just use it.
1095 // If not, check for an airport-id and use that.
1096 // If not, default to the middle of the KSFO field.
1097 // The default values for lon/lat are deliberately out of range
1098 // so that the airport-id can take effect; valid lon/lat will
1099 // override airport-id, however.
1100 double lon_deg = fgGetDouble("/sim/presets/longitude-deg");
1101 double lat_deg = fgGetDouble("/sim/presets/latitude-deg");
1102 if ( lon_deg >= -180.0 && lon_deg <= 180.0
1103 && lat_deg >= -90.0 && lat_deg <= 90.0 )
1108 string apt = fgGetString("/sim/presets/airport-id");
1109 string rwy_no = fgGetString("/sim/presets/runway");
1110 double hdg = fgGetDouble("/sim/presets/heading-deg");
1111 string vor = fgGetString("/sim/presets/vor-id");
1112 double vor_freq = fgGetDouble("/sim/presets/vor-freq");
1113 string ndb = fgGetString("/sim/presets/ndb-id");
1114 double ndb_freq = fgGetDouble("/sim/presets/ndb-freq");
1115 string fix = fgGetString("/sim/presets/fix");
1117 if ( !set_pos && !apt.empty() && !rwy_no.empty() ) {
1118 // An airport + runway is requested
1119 if ( fgSetPosFromAirportIDandRwy( apt, rwy_no ) ) {
1120 // set tower position (a little off the heading for single
1122 fgSetTowerPosFromAirportID( apt, hdg );
1127 if ( !set_pos && !apt.empty() ) {
1128 // An airport is requested (find runway closest to hdg)
1129 if ( fgSetPosFromAirportIDandHdg( apt, hdg ) ) {
1130 // set tower position (a little off the heading for single
1132 fgSetTowerPosFromAirportID( apt, hdg );
1137 if ( !set_pos && !vor.empty() ) {
1138 // a VOR is requested
1139 if ( fgSetPosFromNAV( vor, vor_freq ) ) {
1144 if ( !set_pos && !ndb.empty() ) {
1145 // an NDB is requested
1146 if ( fgSetPosFromNAV( ndb, ndb_freq ) ) {
1151 if ( !set_pos && !fix.empty() ) {
1152 // a Fix is requested
1153 if ( fgSetPosFromFix( fix ) ) {
1159 // No lon/lat specified, no airport specified, default to
1160 // middle of KSFO field.
1161 fgSetDouble("/sim/presets/longitude-deg", -122.374843);
1162 fgSetDouble("/sim/presets/latitude-deg", 37.619002);
1165 fgSetDouble( "/position/longitude-deg",
1166 fgGetDouble("/sim/presets/longitude-deg") );
1167 fgSetDouble( "/position/latitude-deg",
1168 fgGetDouble("/sim/presets/latitude-deg") );
1169 fgSetDouble( "/orientation/heading-deg",
1170 fgGetDouble("/sim/presets/heading-deg") );
1172 // determine if this should be an on-ground or in-air start
1173 if ( fabs(gs) > 0.01 || fabs(od) > 0.1 || alt > 0.1 ) {
1174 fgSetBool("/sim/presets/onground", false);
1176 fgSetBool("/sim/presets/onground", true);
1183 // General house keeping initializations
1184 bool fgInitGeneral() {
1187 #if defined(FX) && defined(XMESA)
1188 char *mesa_win_state;
1191 SG_LOG( SG_GENERAL, SG_INFO, "General Initialization" );
1192 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
1194 root = globals->get_fg_root();
1195 if ( ! root.length() ) {
1196 // No root path set? Then bail ...
1197 SG_LOG( SG_GENERAL, SG_ALERT,
1198 "Cannot continue without a path to the base package "
1199 << "being defined." );
1202 SG_LOG( SG_GENERAL, SG_INFO, "FG_ROOT = " << '"' << root << '"' << endl );
1204 #if defined(FX) && defined(XMESA)
1205 // initialize full screen flag
1206 globals->set_fullscreen(false);
1207 if ( strstr ( general.get_glRenderer(), "Glide" ) ) {
1208 // Test for the MESA_GLX_FX env variable
1209 if ( (mesa_win_state = getenv( "MESA_GLX_FX" )) != NULL) {
1210 // test if we are fullscreen mesa/glide
1211 if ( (mesa_win_state[0] == 'f') ||
1212 (mesa_win_state[0] == 'F') ) {
1213 globals->set_fullscreen(true);
1223 // Initialize the flight model subsystem. This just creates the
1224 // object. The actual fdm initialization is delayed until we get a
1225 // proper scenery elevation hit. This is checked for in main.cxx
1229 if ( cur_fdm_state ) {
1230 delete cur_fdm_state;
1234 double dt = 1.0 / fgGetInt("/sim/model-hz");
1235 aircraft_dir = fgGetString("/sim/aircraft-dir");
1236 const string &model = fgGetString("/sim/flight-model");
1239 if ( model == "larcsim" ) {
1240 cur_fdm_state = new FGLaRCsim( dt );
1241 } else if ( model == "jsb" ) {
1242 cur_fdm_state = new FGJSBsim( dt );
1243 } else if ( model == "ada" ) {
1244 cur_fdm_state = new FGADA( dt );
1245 } else if ( model == "balloon" ) {
1246 cur_fdm_state = new FGBalloonSim( dt );
1247 } else if ( model == "magic" ) {
1248 cur_fdm_state = new FGMagicCarpet( dt );
1249 } else if ( model == "ufo" ) {
1250 cur_fdm_state = new FGUFO( dt );
1251 } else if ( model == "external" ) {
1252 // external is a synonym for "--fdm=null" and is
1253 // maintained here for backwards compatibility
1254 cur_fdm_state = new FGNullFDM( dt );
1255 } else if ( model.find("network") == 0 ) {
1256 string host = "localhost";
1260 string net_options = model.substr(8);
1261 string::size_type begin, end;
1264 end = net_options.find( ",", begin );
1265 if ( end != string::npos ) {
1266 host = net_options.substr(begin, end - begin);
1270 end = net_options.find( ",", begin );
1271 if ( end != string::npos ) {
1272 port1 = atoi( net_options.substr(begin, end - begin).c_str() );
1276 end = net_options.find( ",", begin );
1277 if ( end != string::npos ) {
1278 port2 = atoi( net_options.substr(begin, end - begin).c_str() );
1282 end = net_options.find( ",", begin );
1283 if ( end != string::npos ) {
1284 port3 = atoi( net_options.substr(begin, end - begin).c_str() );
1287 cur_fdm_state = new FGExternalNet( dt, host, port1, port2, port3 );
1288 } else if ( model.find("pipe") == 0 ) {
1289 string pipe_path = model.substr(5);
1290 cur_fdm_state = new FGExternalPipe( dt, pipe_path );
1291 } else if ( model == "null" ) {
1292 cur_fdm_state = new FGNullFDM( dt );
1293 } else if ( model == "yasim" ) {
1294 cur_fdm_state = new YASim( dt );
1296 SG_LOG(SG_GENERAL, SG_ALERT,
1297 "Unrecognized flight model '" << model
1298 << "', cannot init flight dynamics model.");
1302 SG_LOG(SG_GENERAL, SG_ALERT, "FlightGear aborting\n\n");
1307 static void printMat(const sgVec4 *mat, char *name="")
1310 SG_LOG(SG_GENERAL, SG_BULK, name );
1311 for(i=0; i<4; i++) {
1312 SG_LOG(SG_GENERAL, SG_BULK, " " << mat[i][0] << " " << mat[i][1]
1313 << " " << mat[i][2] << " " << mat[i][3] );
1317 // Initialize view parameters
1319 // force update of model so that viewer can get some data...
1320 globals->get_aircraft_model()->update(0);
1321 // run update for current view so that data is current...
1322 globals->get_viewmgr()->update(0);
1324 printMat(globals->get_current_view()->get_VIEW(),"VIEW");
1325 printMat(globals->get_current_view()->get_UP(),"UP");
1326 // printMat(globals->get_current_view()->get_LOCAL(),"LOCAL");
1331 SGTime *fgInitTime() {
1333 static const SGPropertyNode *longitude
1334 = fgGetNode("/position/longitude-deg");
1335 static const SGPropertyNode *latitude
1336 = fgGetNode("/position/latitude-deg");
1337 static const SGPropertyNode *cur_time_override
1338 = fgGetNode("/sim/time/cur-time-override", true);
1340 SGPath zone( globals->get_fg_root() );
1341 zone.append( "Timezone" );
1342 SGTime *t = new SGTime( longitude->getDoubleValue()
1343 * SGD_DEGREES_TO_RADIANS,
1344 latitude->getDoubleValue()
1345 * SGD_DEGREES_TO_RADIANS,
1347 cur_time_override->getLongValue() );
1349 globals->set_warp_delta( 0 );
1351 t->update( 0.0, 0.0,
1352 cur_time_override->getLongValue(),
1353 globals->get_warp() );
1359 // set up a time offset (aka warp) if one is specified
1360 void fgInitTimeOffset() {
1361 static const SGPropertyNode *longitude
1362 = fgGetNode("/position/longitude-deg");
1363 static const SGPropertyNode *latitude
1364 = fgGetNode("/position/latitude-deg");
1365 static const SGPropertyNode *cur_time_override
1366 = fgGetNode("/sim/time/cur-time-override", true);
1368 // Handle potential user specified time offsets
1369 int orig_warp = globals->get_warp();
1370 SGTime *t = globals->get_time_params();
1371 time_t cur_time = t->get_cur_time();
1372 time_t currGMT = sgTimeGetGMT( gmtime(&cur_time) );
1373 time_t systemLocalTime = sgTimeGetGMT( localtime(&cur_time) );
1374 time_t aircraftLocalTime =
1375 sgTimeGetGMT( fgLocaltime(&cur_time, t->get_zonename() ) );
1377 // Okay, we now have several possible scenarios
1378 int offset = fgGetInt("/sim/startup/time-offset");
1379 const string &offset_type = fgGetString("/sim/startup/time-offset-type");
1382 if ( offset_type == "real" ) {
1384 } else if ( offset_type == "dawn" ) {
1385 warp = fgTimeSecondsUntilSunAngle( cur_time,
1386 longitude->getDoubleValue()
1387 * SGD_DEGREES_TO_RADIANS,
1388 latitude->getDoubleValue()
1389 * SGD_DEGREES_TO_RADIANS,
1391 } else if ( offset_type == "morning" ) {
1392 warp = fgTimeSecondsUntilSunAngle( cur_time,
1393 longitude->getDoubleValue()
1394 * SGD_DEGREES_TO_RADIANS,
1395 latitude->getDoubleValue()
1396 * SGD_DEGREES_TO_RADIANS,
1398 } else if ( offset_type == "noon" ) {
1399 warp = fgTimeSecondsUntilSunAngle( cur_time,
1400 longitude->getDoubleValue()
1401 * SGD_DEGREES_TO_RADIANS,
1402 latitude->getDoubleValue()
1403 * SGD_DEGREES_TO_RADIANS,
1405 } else if ( offset_type == "afternoon" ) {
1406 warp = fgTimeSecondsUntilSunAngle( cur_time,
1407 longitude->getDoubleValue()
1408 * SGD_DEGREES_TO_RADIANS,
1409 latitude->getDoubleValue()
1410 * SGD_DEGREES_TO_RADIANS,
1412 } else if ( offset_type == "dusk" ) {
1413 warp = fgTimeSecondsUntilSunAngle( cur_time,
1414 longitude->getDoubleValue()
1415 * SGD_DEGREES_TO_RADIANS,
1416 latitude->getDoubleValue()
1417 * SGD_DEGREES_TO_RADIANS,
1419 } else if ( offset_type == "evening" ) {
1420 warp = fgTimeSecondsUntilSunAngle( cur_time,
1421 longitude->getDoubleValue()
1422 * SGD_DEGREES_TO_RADIANS,
1423 latitude->getDoubleValue()
1424 * SGD_DEGREES_TO_RADIANS,
1426 } else if ( offset_type == "midnight" ) {
1427 warp = fgTimeSecondsUntilSunAngle( cur_time,
1428 longitude->getDoubleValue()
1429 * SGD_DEGREES_TO_RADIANS,
1430 latitude->getDoubleValue()
1431 * SGD_DEGREES_TO_RADIANS,
1433 } else if ( offset_type == "system-offset" ) {
1435 } else if ( offset_type == "gmt-offset" ) {
1436 warp = offset - (currGMT - systemLocalTime);
1437 } else if ( offset_type == "latitude-offset" ) {
1438 warp = offset - (aircraftLocalTime - systemLocalTime);
1439 } else if ( offset_type == "system" ) {
1440 warp = offset - cur_time;
1441 } else if ( offset_type == "gmt" ) {
1442 warp = offset - currGMT;
1443 } else if ( offset_type == "latitude" ) {
1444 warp = offset - (aircraftLocalTime - systemLocalTime) - cur_time;
1446 SG_LOG( SG_GENERAL, SG_ALERT,
1447 "FG_TIME::Unsupported offset type " << offset_type );
1450 globals->set_warp( orig_warp + warp );
1451 t->update( longitude->getDoubleValue() * SGD_DEGREES_TO_RADIANS,
1452 latitude->getDoubleValue() * SGD_DEGREES_TO_RADIANS,
1453 cur_time_override->getLongValue(),
1454 globals->get_warp() );
1456 SG_LOG( SG_GENERAL, SG_INFO, "After fgInitTimeOffset(): warp = "
1457 << globals->get_warp() );
1460 // This is the top level init routine which calls all the other
1461 // initialization routines. If you are adding a subsystem to flight
1462 // gear, its initialization call should located in this routine.
1463 // Returns non-zero if a problem encountered.
1464 bool fgInitSubsystems() {
1465 // static const SGPropertyNode *longitude
1466 // = fgGetNode("/sim/presets/longitude-deg");
1467 // static const SGPropertyNode *latitude
1468 // = fgGetNode("/sim/presets/latitude-deg");
1469 // static const SGPropertyNode *altitude
1470 // = fgGetNode("/sim/presets/altitude-ft");
1472 SG_LOG( SG_GENERAL, SG_INFO, "Initialize Subsystems");
1473 SG_LOG( SG_GENERAL, SG_INFO, "========== ==========");
1475 ////////////////////////////////////////////////////////////////////
1476 // Initialize the event manager subsystem.
1477 ////////////////////////////////////////////////////////////////////
1479 globals->get_event_mgr()->init();
1480 globals->get_event_mgr()->setFreezeProperty(fgGetNode("/sim/freeze/clock"));
1482 ////////////////////////////////////////////////////////////////////
1483 // Initialize the property interpolator subsystem
1484 ////////////////////////////////////////////////////////////////////
1485 globals->add_subsystem("interpolator", new SGInterpolator);
1488 ////////////////////////////////////////////////////////////////////
1489 // Add the FlightGear property utilities.
1490 ////////////////////////////////////////////////////////////////////
1491 globals->add_subsystem("properties", new FGProperties);
1493 ////////////////////////////////////////////////////////////////////
1494 // Initialize the material property subsystem.
1495 ////////////////////////////////////////////////////////////////////
1497 SGPath mpath( globals->get_fg_root() );
1498 mpath.append( "materials.xml" );
1499 if ( ! globals->get_matlib()->load(globals->get_fg_root(), mpath.str()) ) {
1500 SG_LOG( SG_GENERAL, SG_ALERT, "Error loading material lib!" );
1505 ////////////////////////////////////////////////////////////////////
1506 // Initialize the scenery management subsystem.
1507 ////////////////////////////////////////////////////////////////////
1509 if ( globals->get_tile_mgr()->init() ) {
1510 // Load the local scenery data
1511 double visibility_meters = fgGetDouble("/environment/visibility-m");
1513 globals->get_tile_mgr()->update( visibility_meters );
1515 SG_LOG( SG_GENERAL, SG_ALERT, "Error in Tile Manager initialization!" );
1519 // cause refresh of viewer scenery timestamps every 15 seconds...
1520 globals->get_event_mgr()->addTask( "FGTileMgr::refresh_view_timestamps()",
1521 globals->get_tile_mgr(),
1522 &FGTileMgr::refresh_view_timestamps,
1525 SG_LOG( SG_GENERAL, SG_DEBUG,
1526 "Current terrain elevation after tile mgr init " <<
1527 globals->get_scenery()->get_cur_elev() );
1530 ////////////////////////////////////////////////////////////////////
1531 // Initialize the flight model subsystem.
1532 ////////////////////////////////////////////////////////////////////
1536 // allocates structures so must happen before any of the flight
1537 // model or control parameters are set
1538 fgAircraftInit(); // In the future this might not be the case.
1541 ////////////////////////////////////////////////////////////////////
1542 // Initialize the XML Autopilot subsystem.
1543 ////////////////////////////////////////////////////////////////////
1545 globals->add_subsystem( "xml-autopilot", new FGXMLAutopilot );
1546 globals->add_subsystem( "route-manager", new FGRouteMgr );
1549 ////////////////////////////////////////////////////////////////////
1550 // Initialize the view manager subsystem.
1551 ////////////////////////////////////////////////////////////////////
1555 ////////////////////////////////////////////////////////////////////
1556 // Create and register the logger.
1557 ////////////////////////////////////////////////////////////////////
1559 globals->add_subsystem("logger", new FGLogger);
1561 ////////////////////////////////////////////////////////////////////
1562 // Create and register the XML GUI.
1563 ////////////////////////////////////////////////////////////////////
1565 globals->add_subsystem("gui", new NewGUI, SGSubsystemMgr::INIT);
1568 ////////////////////////////////////////////////////////////////////
1569 // Initialize the local time subsystem.
1570 ////////////////////////////////////////////////////////////////////
1572 // update the current timezone each 30 minutes
1573 globals->get_event_mgr()->addTask( "fgUpdateLocalTime()",
1574 &fgUpdateLocalTime, 30*60 );
1577 ////////////////////////////////////////////////////////////////////
1578 // Initialize the weather subsystem.
1579 ////////////////////////////////////////////////////////////////////
1581 // Initialize the weather modeling subsystem
1582 globals->add_subsystem("environment", new FGEnvironmentMgr);
1585 ////////////////////////////////////////////////////////////////////
1586 // Initialize the lighting subsystem.
1587 ////////////////////////////////////////////////////////////////////
1589 globals->add_subsystem("lighting", new FGLight);
1591 //////////////////////////////////////////////////////////////////////
1592 // Initialize the 2D cloud subsystem.
1593 ////////////////////////////////////////////////////////////////////
1594 fgGetNode("/sim/rendering/bump-mapping", true);
1595 fgSetBool("/sim/rendering/bump-mapping", true);
1597 #ifdef FG_USE_CLOUDS_3D
1598 ////////////////////////////////////////////////////////////////////
1599 // Initialize the 3D cloud subsystem.
1600 ////////////////////////////////////////////////////////////////////
1601 if ( fgGetBool("/sim/rendering/clouds3d") ) {
1602 static const SGPropertyNode *longitude
1603 = fgGetNode("/sim/presets/longitude-deg");
1604 static const SGPropertyNode *latitude
1605 = fgGetNode("/sim/presets/latitude-deg");
1606 // static const SGPropertyNode *altitude
1607 // = fgGetNode("/sim/presets/altitude-ft");
1609 SGPath cloud_path(globals->get_fg_root());
1611 cloud_path.append("Textures/Sky/scattered.rgba");
1612 SG_LOG(SG_GENERAL, SG_INFO, "Loading CLOUDS3d from: " << cloud_path.c_str());
1615 tx.read_rgba_texture(cloud_path.c_str());
1616 if ( !sgCloud3d->Load( tx.texture(), tx.width(),
1618 cloud_path.append("large.sky");
1619 if ( !sgCloud3d->Load( cloud_path.str(),
1621 latitude->getDoubleValue(),
1622 longitude->getDoubleValue()) )
1624 fgSetBool("/sim/rendering/clouds3d", false);
1625 SG_LOG(SG_GENERAL, SG_INFO, "CLOUDS3d FAILED: ");
1627 SG_LOG(SG_GENERAL, SG_INFO, "CLOUDS3d Loaded: ");
1631 #ifdef ENABLE_AUDIO_SUPPORT
1632 ////////////////////////////////////////////////////////////////////
1633 // Initialize the sound subsystem.
1634 ////////////////////////////////////////////////////////////////////
1636 globals->set_soundmgr(new SGSoundMgr);
1637 globals->get_soundmgr()->init();
1638 globals->get_soundmgr()->bind();
1641 ////////////////////////////////////////////////////////////////////
1642 // Initialize the sound-effects subsystem.
1643 ////////////////////////////////////////////////////////////////////
1645 globals->add_subsystem("fx", new FGFX);
1649 ////////////////////////////////////////////////////////////////////
1650 // Initialise ATC display system
1651 ////////////////////////////////////////////////////////////////////
1653 SG_LOG(SG_GENERAL, SG_INFO, " ATC Display");
1654 globals->set_ATC_display(new FGATCDisplay);
1655 globals->get_ATC_display()->init();
1657 ////////////////////////////////////////////////////////////////////
1658 // Initialise the ATC Manager
1659 ////////////////////////////////////////////////////////////////////
1661 SG_LOG(SG_GENERAL, SG_INFO, " ATC Manager");
1662 globals->set_ATC_mgr(new FGATCMgr);
1663 globals->get_ATC_mgr()->init();
1665 ////////////////////////////////////////////////////////////////////
1666 // Initialise the AI Manager
1667 ////////////////////////////////////////////////////////////////////
1669 SG_LOG(SG_GENERAL, SG_INFO, " AI Manager");
1670 globals->set_AI_mgr(new FGAIMgr);
1671 globals->get_AI_mgr()->init();
1673 ////////////////////////////////////////////////////////////////////
1674 // Initialise the AI Model Manager
1675 ////////////////////////////////////////////////////////////////////
1677 SG_LOG(SG_GENERAL, SG_INFO, " AI Model Manager");
1678 globals->add_subsystem("ai_model", new FGAIManager);
1681 globals->add_subsystem("instrumentation", new FGInstrumentMgr);
1682 globals->add_subsystem("systems", new FGSystemMgr);
1684 ////////////////////////////////////////////////////////////////////
1685 // Initialize the radio stack subsystem.
1686 ////////////////////////////////////////////////////////////////////
1688 current_radiostack = new FGRadioStack;
1689 current_radiostack->init();
1690 current_radiostack->bind();
1693 ////////////////////////////////////////////////////////////////////
1694 // Initialize the cockpit subsystem
1695 ////////////////////////////////////////////////////////////////////
1697 if( fgCockpitInit( ¤t_aircraft )) {
1698 // Cockpit initialized ok.
1700 SG_LOG( SG_GENERAL, SG_ALERT, "Error in Cockpit initialization!" );
1705 ////////////////////////////////////////////////////////////////////
1706 // Initialize the autopilot subsystem.
1707 ////////////////////////////////////////////////////////////////////
1709 // FIXME: these should go in the
1710 // GUI initialization code, not here.
1711 // fgAPAdjustInit();
1712 NewTgtAirportInit();
1716 ////////////////////////////////////////////////////////////////////
1717 // Initialize I/O subsystem.
1718 ////////////////////////////////////////////////////////////////////
1720 globals->get_io()->init();
1721 globals->get_io()->bind();
1724 ////////////////////////////////////////////////////////////////////
1725 // Add a new 2D panel.
1726 ////////////////////////////////////////////////////////////////////
1728 string panel_path = fgGetString("/sim/panel/path",
1729 "Panels/Default/default.xml");
1731 globals->set_current_panel( fgReadPanel(panel_path) );
1732 if (globals->get_current_panel() == 0) {
1733 SG_LOG( SG_INPUT, SG_ALERT,
1734 "Error reading new panel from " << panel_path );
1736 SG_LOG( SG_INPUT, SG_INFO, "Loaded new panel from " << panel_path );
1737 globals->get_current_panel()->init();
1738 globals->get_current_panel()->bind();
1742 ////////////////////////////////////////////////////////////////////
1743 // Initialize the controls subsystem.
1744 ////////////////////////////////////////////////////////////////////
1746 globals->get_controls()->init();
1747 globals->get_controls()->bind();
1750 ////////////////////////////////////////////////////////////////////
1751 // Initialize the input subsystem.
1752 ////////////////////////////////////////////////////////////////////
1754 globals->add_subsystem("input", new FGInput);
1757 ////////////////////////////////////////////////////////////////////
1758 // Initialize the replay subsystem
1759 ////////////////////////////////////////////////////////////////////
1760 globals->add_subsystem("replay", new FGReplay);
1762 ////////////////////////////////////////////////////////////////////
1763 // Bind and initialize subsystems.
1764 ////////////////////////////////////////////////////////////////////
1766 globals->get_subsystem_mgr()->bind();
1767 globals->get_subsystem_mgr()->init();
1769 #ifdef FG_MPLAYER_AS
1770 ////////////////////////////////////////////////////////////////////
1771 // Initialize multiplayer subsystem
1772 ////////////////////////////////////////////////////////////////////
1774 globals->set_multiplayer_tx_mgr(new FGMultiplayTxMgr);
1775 globals->get_multiplayer_tx_mgr()->init();
1777 globals->set_multiplayer_rx_mgr(new FGMultiplayRxMgr);
1778 globals->get_multiplayer_rx_mgr()->init();
1781 ////////////////////////////////////////////////////////////////////////
1782 // Initialize the Nasal interpreter.
1783 // Do this last, so that the loaded scripts see initialized state
1784 ////////////////////////////////////////////////////////////////////////
1785 FGNasalSys* nasal = new FGNasalSys();
1786 globals->add_subsystem("nasal", nasal);
1789 ////////////////////////////////////////////////////////////////////
1790 // At this point we could try and parse the waypoint options
1791 ///////////////////////////////////////////////////////////////////
1795 ////////////////////////////////////////////////////////////////////////
1796 // End of subsystem initialization.
1797 ////////////////////////////////////////////////////////////////////
1799 SG_LOG( SG_GENERAL, SG_INFO, endl);
1801 // Save the initial state for future
1803 globals->saveInitialState();
1809 void fgReInitSubsystems()
1811 // static const SGPropertyNode *longitude
1812 // = fgGetNode("/sim/presets/longitude-deg");
1813 // static const SGPropertyNode *latitude
1814 // = fgGetNode("/sim/presets/latitude-deg");
1815 static const SGPropertyNode *altitude
1816 = fgGetNode("/sim/presets/altitude-ft");
1817 static const SGPropertyNode *master_freeze
1818 = fgGetNode("/sim/freeze/master");
1820 SG_LOG( SG_GENERAL, SG_INFO,
1821 "fgReInitSubsystems(): /position/altitude = "
1822 << altitude->getDoubleValue() );
1824 bool freeze = master_freeze->getBoolValue();
1826 fgSetBool("/sim/freeze/master", true);
1828 fgSetBool("/sim/crashed", false);
1829 fgSetBool("/sim/initialised", false);
1831 // Initialize the FDM
1834 // allocates structures so must happen before any of the flight
1835 // model or control parameters are set
1836 fgAircraftInit(); // In the future this might not be the case.
1838 // reload offsets from config defaults
1839 globals->get_viewmgr()->reinit();
1843 globals->get_controls()->reset_all();
1845 fgUpdateLocalTime();
1847 // re-init to proper time of day setting
1851 fgSetBool("/sim/freeze/master", false);
1853 fgSetBool("/sim/initialised", true);