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 - http://www.flightgear.org/~curt
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
28 // For BC 5.01 this must be included before OpenGL includes.
29 #ifdef SG_MATH_EXCEPTION_CLASH
35 #include <string.h> // strcmp()
37 #if defined( unix ) || defined( __CYGWIN__ )
38 # include <unistd.h> // for gethostname()
41 // work around a stdc++ lib bug in some versions of linux, but doesn't
42 // seem to hurt to have this here for all versions of Linux.
44 # define _G_NO_EXTERN_TEMPLATES
47 #include <simgear/compiler.h>
51 #include <simgear/constants.h>
52 #include <simgear/debug/logstream.hxx>
53 #include <simgear/structure/exception.hxx>
54 #include <simgear/structure/event_mgr.hxx>
55 #include <simgear/math/point3d.hxx>
56 #include <simgear/math/polar3d.hxx>
57 #include <simgear/math/sg_geodesy.hxx>
58 #include <simgear/misc/sg_path.hxx>
59 #include <simgear/misc/interpolator.hxx>
60 #include <simgear/scene/material/matlib.hxx>
61 #include <simgear/timing/sg_time.hxx>
62 #include <simgear/timing/lowleveltime.h>
64 #include <Aircraft/aircraft.hxx>
65 #include <Aircraft/replay.hxx>
66 #include <Airports/apt_loader.hxx>
67 #include <Airports/runways.hxx>
68 #include <Airports/simple.hxx>
69 #include <AIModel/AIManager.hxx>
70 #include <ATC/ATCdisplay.hxx>
71 #include <ATC/ATCmgr.hxx>
72 #include <ATC/AIMgr.hxx>
73 #include <Autopilot/auto_gui.hxx>
74 #include <Autopilot/route_mgr.hxx>
75 #include <Autopilot/xmlauto.hxx>
76 #include <Cockpit/cockpit.hxx>
77 #include <Cockpit/panel.hxx>
78 #include <Cockpit/panel_io.hxx>
80 #include <FDM/SP/ADA.hxx>
81 #include <FDM/SP/ACMS.hxx>
83 #include <FDM/Balloon.h>
84 #include <FDM/ExternalNet/ExternalNet.hxx>
85 #include <FDM/ExternalPipe/ExternalPipe.hxx>
86 #include <FDM/JSBSim/JSBSim.hxx>
87 #include <FDM/LaRCsim/LaRCsim.hxx>
88 #include <FDM/MagicCarpet.hxx>
89 #include <FDM/UFO.hxx>
90 #include <FDM/NullFDM.hxx>
91 #include <FDM/YASim/YASim.hxx>
92 #include <GUI/new_gui.hxx>
93 #include <Include/general.hxx>
94 #include <Input/input.hxx>
95 #include <Instrumentation/instrument_mgr.hxx>
96 #include <Model/acmodel.hxx>
97 #include <AIModel/submodel.hxx>
98 #include <AIModel/AIManager.hxx>
99 #include <Navaids/navdb.hxx>
100 #include <Navaids/navlist.hxx>
101 #include <Scenery/scenery.hxx>
102 #include <Scenery/tilemgr.hxx>
103 #include <Scripting/NasalSys.hxx>
104 #include <Sound/fg_fx.hxx>
105 #include <Sound/beacon.hxx>
106 #include <Sound/morse.hxx>
107 #include <Sound/voice.hxx>
108 #include <Systems/system_mgr.hxx>
109 #include <Time/light.hxx>
110 #include <Time/sunsolver.hxx>
111 #include <Time/tmp.hxx>
112 #include <Traffic/TrafficMgr.hxx>
113 #include <MultiPlayer/multiplaymgr.hxx>
115 #include <Environment/environment_mgr.hxx>
117 #include "fg_init.hxx"
119 #include "fg_commands.hxx"
120 #include "fg_props.hxx"
121 #include "options.hxx"
122 #include "globals.hxx"
123 #include "logger.hxx"
124 #include "viewmgr.hxx"
127 #if defined(FX) && defined(XMESA)
128 #include <GL/xmesa.h>
131 SG_USING_STD(string);
135 extern const char *default_root;
139 // Scan the command line options for the specified option and return
141 static string fgScanForOption( const string& option, int argc, char **argv ) {
144 if (hostname == NULL)
147 gethostname(_hostname, 256);
148 hostname = strdup(_hostname);
149 free_hostname = true;
152 SG_LOG(SG_GENERAL, SG_INFO, "Scanning command line for: " << option );
154 int len = option.length();
157 SG_LOG( SG_GENERAL, SG_DEBUG, "argv[" << i << "] = " << argv[i] );
159 string arg = argv[i];
160 if ( arg.find( option ) == 0 ) {
161 return arg.substr( len );
171 // Scan the user config files for the specified option and return
173 static string fgScanForOption( const string& option, const string& path ) {
174 sg_gzifstream in( path );
175 if ( !in.is_open() ) {
179 SG_LOG( SG_GENERAL, SG_INFO, "Scanning " << path << " for: " << option );
181 int len = option.length();
185 while ( ! in.eof() ) {
188 while ( in.get(c) && c != '\0' ) {
193 #if defined( macintosh )
194 getline( in, line, '\r' );
196 getline( in, line, '\n' );
199 // catch extraneous (DOS) line ending character
200 if ( line[line.length() - 1] < 32 ) {
201 line = line.substr( 0, line.length()-1 );
204 if ( line.find( option ) == 0 ) {
205 return line.substr( len );
214 // Scan the user config files for the specified option and return
216 static string fgScanForOption( const string& option ) {
219 #if defined( unix ) || defined( __CYGWIN__ )
220 // Next check home directory for .fgfsrc.hostname file
222 if ( homedir != NULL ) {
223 SGPath config( homedir );
224 config.append( ".fgfsrc" );
225 config.concat( "." );
226 config.concat( hostname );
227 arg = fgScanForOption( option, config.str() );
232 // Next check home directory for .fgfsrc file
234 if ( homedir != NULL ) {
235 SGPath config( homedir );
236 config.append( ".fgfsrc" );
237 arg = fgScanForOption( option, config.str() );
242 // Check for $fg_root/system.fgfsrc
243 SGPath config( globals->get_fg_root() );
244 config.append( "system.fgfsrc" );
245 arg = fgScanForOption( option, config.str() );
252 // Read in configuration (files and command line options) but only set
254 bool fgInitFGRoot ( int argc, char **argv ) {
257 // First parse command line options looking for --fg-root=, this
258 // will override anything specified in a config file
259 root = fgScanForOption( "--fg-root=", argc, argv);
261 // Check in one of the user configuration files.
263 root = fgScanForOption( "--fg-root=" );
265 // Next check if fg-root is set as an env variable
266 if ( root.empty() ) {
267 char *envp = ::getenv( "FG_ROOT" );
268 if ( envp != NULL ) {
273 // Otherwise, default to a random compiled-in location if we can't
274 // find fg-root any other way.
275 if ( root.empty() ) {
276 #if defined( __CYGWIN__ )
277 root = "/FlightGear";
278 #elif defined( WIN32 )
279 root = "\\FlightGear";
280 #elif defined(OSX_BUNDLE)
281 /* the following code looks for the base package directly inside
282 the application bundle. This can be changed fairly easily by
283 fiddling with the code below. And yes, I know it's ugly and verbose.
285 CFBundleRef appBundle = CFBundleGetMainBundle();
286 CFURLRef appUrl = CFBundleCopyBundleURL(appBundle);
287 CFRelease(appBundle);
289 // look for a 'data' subdir directly inside the bundle : is there
290 // a better place? maybe in Resources? I don't know ...
291 CFURLRef dataDir = CFURLCreateCopyAppendingPathComponent(NULL, appUrl, CFSTR("data"), true);
293 // now convert down to a path, and the a c-string
294 CFStringRef path = CFURLCopyFileSystemPath(dataDir, kCFURLPOSIXPathStyle);
295 root = CFStringGetCStringPtr(path, CFStringGetSystemEncoding());
298 CFRelease(appBundle);
306 SG_LOG(SG_INPUT, SG_INFO, "fg_root = " << root );
307 globals->set_fg_root(root);
313 // Read in configuration (files and command line options) but only set
315 bool fgInitFGAircraft ( int argc, char **argv ) {
318 // First parse command line options looking for --aircraft=, this
319 // will override anything specified in a config file
320 aircraft = fgScanForOption( "--aircraft=", argc, argv );
322 // Check in one of the user configuration files.
323 if ( aircraft.empty() )
324 aircraft = fgScanForOption( "--aircraft=" );
326 // if an aircraft was specified, set the property name
327 if ( !aircraft.empty() ) {
328 SG_LOG(SG_INPUT, SG_INFO, "aircraft = " << aircraft );
329 fgSetString("/sim/aircraft", aircraft.c_str() );
331 SG_LOG(SG_INPUT, SG_INFO, "No user specified aircraft, using default" );
338 // Return the current base package version
339 string fgBasePackageVersion() {
340 SGPath base_path( globals->get_fg_root() );
341 base_path.append("version");
343 sg_gzifstream in( base_path.str() );
344 if ( !in.is_open() ) {
345 SGPath old_path( globals->get_fg_root() );
346 old_path.append( "Thanks" );
347 sg_gzifstream old( old_path.str() );
348 if ( !old.is_open() ) {
351 return "[old version]";
362 // Initialize the localization
363 SGPropertyNode *fgInitLocale(const char *language) {
364 SGPropertyNode *c_node = NULL, *d_node = NULL;
365 SGPropertyNode *intl = fgGetNode("/sim/intl");
367 SG_LOG(SG_GENERAL, SG_INFO, "Selecting language: " << language );
369 // localization not defined
374 // Select the proper language from the list
376 vector<SGPropertyNode_ptr> locale = intl->getChildren("locale");
377 for (unsigned int i = 0; i < locale.size(); i++) {
379 vector<SGPropertyNode_ptr> lang = locale[i]->getChildren("lang");
380 for (unsigned int j = 0; j < lang.size(); j++) {
382 if (!strcmp(lang[j]->getStringValue(), language)) {
391 d_node = intl->getChild("locale");
395 // Check for localized font
396 SGPropertyNode *font_n = c_node->getNode("font", true);
397 if ( !strcmp(font_n->getStringValue(), "") )
398 font_n->setStringValue(d_node->getStringValue("font", "typewriter.txf"));
402 // Load the default strings
404 SGPath d_path( globals->get_fg_root() );
406 const char *d_path_str = d_node->getStringValue("strings");
408 SG_LOG(SG_GENERAL, SG_ALERT, "Incorrect path in configuration file.");
412 d_path.append(d_path_str);
413 SG_LOG(SG_GENERAL, SG_INFO, "Reading localized strings from "
416 SGPropertyNode *strings = c_node->getNode("strings");
418 readProperties(d_path.str(), strings);
419 } catch (const sg_exception &e) {
420 SG_LOG(SG_GENERAL, SG_ALERT, "Unable to read the localized strings");
425 // Load the language specific strings
427 if (c_node != d_node) {
428 SGPath c_path( globals->get_fg_root() );
430 const char *c_path_str = c_node->getStringValue("strings");
432 SG_LOG(SG_GENERAL, SG_ALERT, "Incorrect path in configuration file.");
436 c_path.append(c_path_str);
437 SG_LOG(SG_GENERAL, SG_INFO, "Reading localized strings from "
441 readProperties(c_path.str(), strings);
442 } catch (const sg_exception &e) {
443 SG_LOG(SG_GENERAL, SG_ALERT, "Unable to read the localized strings");
453 // Initialize the localization routines
454 bool fgDetectLanguage() {
455 char *language = ::getenv("LANG");
457 if (language == NULL) {
458 SG_LOG(SG_GENERAL, SG_INFO, "Unable to detect the language" );
462 SGPropertyNode *locale = fgInitLocale(language);
464 SG_LOG(SG_GENERAL, SG_ALERT,
465 "No internationalization settings specified in preferences.xml" );
470 globals->set_locale( locale );
475 // Attempt to locate and parse the various non-XML config files in order
476 // from least precidence to greatest precidence
478 do_options (int argc, char ** argv)
480 // Check for $fg_root/system.fgfsrc
481 SGPath config( globals->get_fg_root() );
482 config.append( "system.fgfsrc" );
483 fgParseOptions(config.str());
485 #if defined( unix ) || defined( __CYGWIN__ )
486 config.concat( "." );
487 config.concat( hostname );
488 fgParseOptions(config.str());
491 // Check for ~/.fgfsrc
492 if ( homedir != NULL ) {
493 config.set( homedir );
494 config.append( ".fgfsrc" );
495 fgParseOptions(config.str());
498 #if defined( unix ) || defined( __CYGWIN__ )
499 // Check for ~/.fgfsrc.hostname
500 config.concat( "." );
501 config.concat( hostname );
502 fgParseOptions(config.str());
505 // Parse remaining command line options
506 // These will override anything specified in a config file
507 fgParseArgs(argc, argv);
511 static string fgFindAircraftPath( const SGPath &path, const string &aircraft ) {
513 ulDir *dirp = ulOpenDir(path.str().c_str());
515 cerr << "Unable to open aircraft directory '" << path.str() << '\'' << endl;
520 while ((dire = ulReadDir(dirp)) != NULL) {
522 if ( strcmp("CVS", dire->d_name) && strcmp(".", dire->d_name)
523 && strcmp("..", dire->d_name) && strcmp("AI", dire->d_name))
526 next.append(dire->d_name);
528 result = fgFindAircraftPath( next, aircraft );
529 if ( ! result.empty() ) {
533 } else if ( !strcmp(dire->d_name, aircraft.c_str()) ) {
544 // Read in configuration (file and command line)
545 bool fgInitConfig ( int argc, char **argv ) {
547 // First, set some sane default values
550 // Read global preferences from $FG_ROOT/preferences.xml
551 SG_LOG(SG_INPUT, SG_INFO, "Reading global preferences");
552 fgLoadProps("preferences.xml", globals->get_props());
553 SG_LOG(SG_INPUT, SG_INFO, "Finished Reading global preferences");
555 // Detect the required language as early as possible
556 if ( !fgDetectLanguage() ) {
560 // Scan user config files and command line for a specified aircraft.
561 fgInitFGAircraft(argc, argv);
563 string aircraft = fgGetString( "/sim/aircraft", "" );
564 if ( aircraft.size() > 0 ) {
565 SGPath aircraft_search( globals->get_fg_root() );
566 aircraft_search.append( "Aircraft" );
568 string aircraft_set = aircraft + "-set.xml";
570 string result = fgFindAircraftPath( aircraft_search, aircraft_set );
571 if ( !result.empty() ) {
572 fgSetString( "/sim/aircraft-dir", result.c_str() );
573 SGPath full_name( result );
574 full_name.append( aircraft_set );
576 SG_LOG(SG_INPUT, SG_INFO, "Reading default aircraft: " << aircraft
577 << " from " << full_name.str());
579 readProperties( full_name.str(), globals->get_props() );
580 } catch ( const sg_exception &e ) {
581 string message = "Error reading default aircraft: ";
582 message += e.getFormattedMessage();
583 SG_LOG(SG_INPUT, SG_ALERT, message);
587 SG_LOG( SG_INPUT, SG_ALERT, "Cannot find specified aircraft: "
593 SG_LOG( SG_INPUT, SG_ALERT, "No default aircraft specified" );
597 char *envp = ::getenv( "APPDATA" );
599 SGPath config( envp );
600 config.append( "flightgear.org" );
602 if ( homedir != NULL ) {
603 SGPath config( homedir );
604 config.append( ".fgfs" );
606 fgSetString("/sim/fg-home", config.c_str());
607 config.append( "autosave.xml" );
608 SG_LOG(SG_INPUT, SG_INFO, "Reading user settings from autosave.xml");
610 fgLoadProps(config.str().c_str(), globals->get_props(), false,
611 SGPropertyNode::USERARCHIVE);
613 SG_LOG(SG_INPUT, SG_BULK, "First time reading user settings");
615 SG_LOG(SG_INPUT, SG_BULK, "Finished Reading user settings");
618 // parse options after loading aircraft to ensure any user
619 // overrides of defaults are honored.
620 do_options(argc, argv);
631 // This function is never used, but maybe useful in the future ???
634 // Preset lon/lat given an airport id
635 static bool fgSetPosFromAirportID( const string& id ) {
639 SG_LOG( SG_GENERAL, SG_INFO,
640 "Attempting to set starting position from airport code " << id );
642 if ( fgFindAirportID( id, &a ) ) {
644 fgSetDouble("/sim/presets/longitude-deg", a->longitude );
645 fgSetDouble("/sim/presets/latitude-deg", a->latitude );
647 // other code depends on the actual postition being set so set
649 fgSetDouble("/position/longitude-deg", a->longitude );
650 fgSetDouble("/position/latitude-deg", a->latitude );
652 SG_LOG( SG_GENERAL, SG_INFO,
653 "Position for " << id << " is (" << a->longitude
654 << ", " << a->latitude << ")" );
664 // Set current tower position lon/lat given an airport id
665 static bool fgSetTowerPosFromAirportID( const string& id, double hdg ) {
667 // tower height hard coded for now...
668 float towerheight=50.0f;
670 // make a little off the heading for 1 runway airports...
671 float fudge_lon = fabs(sin(hdg)) * .003f;
672 float fudge_lat = .003f - fudge_lon;
674 const FGAirport *a = fgFindAirportID( id);
676 fgSetDouble("/sim/tower/longitude-deg", a->getLongitude() + fudge_lon);
677 fgSetDouble("/sim/tower/latitude-deg", a->getLatitude() + fudge_lat);
678 fgSetDouble("/sim/tower/altitude-ft", a->getElevation() + towerheight);
686 struct FGTowerLocationListener : SGPropertyChangeListener {
687 void valueChanged(SGPropertyNode* node) {
688 const double hdg = fgGetDouble( "/orientation/heading-deg", 0);
689 const string id(node->getStringValue());
690 fgSetTowerPosFromAirportID(id, hdg);
694 static void fgInitTowerLocationListener() {
695 fgGetNode("/sim/tower/airport-id", true)
696 ->addChangeListener( new FGTowerLocationListener() );
699 // Set current_options lon/lat given an airport id and heading (degrees)
700 static bool fgSetPosFromAirportIDandHdg( const string& id, double tgt_hdg ) {
704 // set initial position from runway and heading
706 SG_LOG( SG_GENERAL, SG_INFO,
707 "Attempting to set starting position from airport code "
708 << id << " heading " << tgt_hdg );
710 if ( ! globals->get_runways()->search( id, (int)tgt_hdg, &r ) ) {
711 SG_LOG( SG_GENERAL, SG_ALERT,
712 "Failed to find a good runway for " << id << '\n' );
719 double lat2, lon2, az2;
720 double heading = r._heading;
721 double azimuth = heading + 180.0;
722 while ( azimuth >= 360.0 ) { azimuth -= 360.0; }
724 SG_LOG( SG_GENERAL, SG_INFO,
725 "runway = " << r._lon << ", " << r._lat
726 << " length = " << r._length * SG_FEET_TO_METER
727 << " heading = " << azimuth );
729 geo_direct_wgs_84 ( 0, r._lat, r._lon, azimuth,
730 r._length * SG_FEET_TO_METER * 0.5 - 5.0,
731 &lat2, &lon2, &az2 );
733 if ( fabs( fgGetDouble("/sim/presets/offset-distance") ) > SG_EPSILON ) {
735 double odist = fgGetDouble("/sim/presets/offset-distance");
736 odist *= SG_NM_TO_METER;
737 double oaz = azimuth;
738 if ( fabs(fgGetDouble("/sim/presets/offset-azimuth")) > SG_EPSILON ) {
739 oaz = fgGetDouble("/sim/presets/offset-azimuth") + 180;
742 while ( oaz >= 360.0 ) { oaz -= 360.0; }
743 geo_direct_wgs_84 ( 0, lat2, lon2, oaz, odist, &olat, &olon, &az2 );
749 fgSetDouble("/sim/presets/longitude-deg", lon2 );
750 fgSetDouble("/sim/presets/latitude-deg", lat2 );
751 fgSetDouble("/sim/presets/heading-deg", heading );
753 // other code depends on the actual values being set ...
754 fgSetDouble("/position/longitude-deg", lon2 );
755 fgSetDouble("/position/latitude-deg", lat2 );
756 fgSetDouble("/orientation/heading-deg", heading );
758 SG_LOG( SG_GENERAL, SG_INFO,
759 "Position for " << id << " is ("
761 << lat2 << ") new heading is "
768 // Set current_options lon/lat given an airport id and runway number
769 static bool fgSetPosFromAirportIDandRwy( const string& id, const string& rwy ) {
773 // set initial position from airport and runway number
775 SG_LOG( SG_GENERAL, SG_INFO,
776 "Attempting to set starting position for "
777 << id << ":" << rwy );
779 if ( ! globals->get_runways()->search( id, rwy, &r ) ) {
780 SG_LOG( SG_GENERAL, SG_ALERT,
781 "Failed to find runway " << rwy <<
782 " at airport " << id );
789 double lat2, lon2, az2;
790 double heading = r._heading;
791 double azimuth = heading + 180.0;
792 while ( azimuth >= 360.0 ) { azimuth -= 360.0; }
794 SG_LOG( SG_GENERAL, SG_INFO,
795 "runway = " << r._lon << ", " << r._lat
796 << " length = " << r._length * SG_FEET_TO_METER
797 << " heading = " << azimuth );
799 geo_direct_wgs_84 ( 0, r._lat, r._lon,
801 r._length * SG_FEET_TO_METER * 0.5 - 5.0,
802 &lat2, &lon2, &az2 );
804 if ( fabs( fgGetDouble("/sim/presets/offset-distance") ) > SG_EPSILON )
807 double odist = fgGetDouble("/sim/presets/offset-distance");
808 odist *= SG_NM_TO_METER;
809 double oaz = azimuth;
810 if ( fabs(fgGetDouble("/sim/presets/offset-azimuth")) > SG_EPSILON )
812 oaz = fgGetDouble("/sim/presets/offset-azimuth") + 180;
813 heading = fgGetDouble("/sim/presets/heading-deg");
815 while ( oaz >= 360.0 ) { oaz -= 360.0; }
816 geo_direct_wgs_84 ( 0, lat2, lon2, oaz, odist, &olat, &olon, &az2 );
822 fgSetDouble("/sim/presets/longitude-deg", lon2 );
823 fgSetDouble("/sim/presets/latitude-deg", lat2 );
824 fgSetDouble("/sim/presets/heading-deg", heading );
826 // other code depends on the actual values being set ...
827 fgSetDouble("/position/longitude-deg", lon2 );
828 fgSetDouble("/position/latitude-deg", lat2 );
829 fgSetDouble("/orientation/heading-deg", heading );
831 SG_LOG( SG_GENERAL, SG_INFO,
832 "Position for " << id << " is ("
834 << lat2 << ") new heading is "
841 static void fgSetDistOrAltFromGlideSlope() {
842 // cout << "fgSetDistOrAltFromGlideSlope()" << endl;
843 string apt_id = fgGetString("/sim/presets/airport-id");
844 double gs = fgGetDouble("/sim/presets/glideslope-deg")
845 * SG_DEGREES_TO_RADIANS ;
846 double od = fgGetDouble("/sim/presets/offset-distance");
847 double alt = fgGetDouble("/sim/presets/altitude-ft");
849 double apt_elev = 0.0;
850 if ( ! apt_id.empty() ) {
851 apt_elev = fgGetAirportElev( apt_id );
852 if ( apt_elev < -9990.0 ) {
859 if( fabs(gs) > 0.01 && fabs(od) > 0.1 && alt < -9990 ) {
860 // set altitude from glideslope and offset-distance
861 od *= SG_NM_TO_METER * SG_METER_TO_FEET;
862 alt = fabs(od*tan(gs)) + apt_elev;
863 fgSetDouble("/sim/presets/altitude-ft", alt);
864 fgSetBool("/sim/presets/onground", false);
865 SG_LOG( SG_GENERAL, SG_INFO, "Calculated altitude as: "
867 } else if( fabs(gs) > 0.01 && alt > 0 && fabs(od) < 0.1) {
868 // set offset-distance from glideslope and altitude
869 od = (alt - apt_elev) / tan(gs);
870 od *= -1*SG_FEET_TO_METER * SG_METER_TO_NM;
871 fgSetDouble("/sim/presets/offset-distance", od);
872 fgSetBool("/sim/presets/onground", false);
873 SG_LOG( SG_GENERAL, SG_INFO, "Calculated offset distance as: "
875 } else if( fabs(gs) > 0.01 ) {
876 SG_LOG( SG_GENERAL, SG_ALERT,
877 "Glideslope given but not altitude or offset-distance." );
878 SG_LOG( SG_GENERAL, SG_ALERT, "Resetting glideslope to zero" );
879 fgSetDouble("/sim/presets/glideslope-deg", 0);
880 fgSetBool("/sim/presets/onground", true);
885 // Set current_options lon/lat given an airport id and heading (degrees)
886 static bool fgSetPosFromNAV( const string& id, const double& freq ) {
888 = globals->get_navlist()->findByIdentAndFreq( id.c_str(), freq );
890 // set initial position from runway and heading
892 SG_LOG( SG_GENERAL, SG_INFO, "Attempting to set starting position for "
893 << id << ":" << freq );
895 double lon = nav->get_lon();
896 double lat = nav->get_lat();
898 if ( fabs( fgGetDouble("/sim/presets/offset-distance") ) > SG_EPSILON )
900 double odist = fgGetDouble("/sim/presets/offset-distance")
902 double oaz = fabs(fgGetDouble("/sim/presets/offset-azimuth"))
904 while ( oaz >= 360.0 ) { oaz -= 360.0; }
905 double olat, olon, az2;
906 geo_direct_wgs_84 ( 0, lat, lon, oaz, odist, &olat, &olon, &az2 );
913 fgSetDouble("/sim/presets/longitude-deg", lon );
914 fgSetDouble("/sim/presets/latitude-deg", lat );
916 // other code depends on the actual values being set ...
917 fgSetDouble("/position/longitude-deg", lon );
918 fgSetDouble("/position/latitude-deg", lat );
919 fgSetDouble("/orientation/heading-deg",
920 fgGetDouble("/sim/presets/heading-deg") );
922 SG_LOG( SG_GENERAL, SG_INFO,
923 "Position for " << id << ":" << freq << " is ("
924 << lon << ", "<< lat << ")" );
928 SG_LOG( SG_GENERAL, SG_ALERT, "Failed to locate NAV = "
929 << id << ":" << freq );
934 // Set current_options lon/lat given an aircraft carrier id
935 static bool fgSetPosFromCarrier( const string& carrier, const string& posid ) {
937 // set initial position from runway and heading
941 if (FGAIManager::getStartPosition(carrier, posid, geodPos, heading, uvw)) {
942 double lon = geodPos.getLongitudeDeg();
943 double lat = geodPos.getLatitudeDeg();
944 double alt = geodPos.getElevationFt();
946 SG_LOG( SG_GENERAL, SG_INFO, "Attempting to set starting position for "
947 << carrier << " at lat = " << lat << ", lon = " << lon
948 << ", alt = " << alt << ", heading = " << heading);
950 fgSetDouble("/sim/presets/longitude-deg", lon);
951 fgSetDouble("/sim/presets/latitude-deg", lat);
952 fgSetDouble("/sim/presets/altitude-ft", alt);
953 fgSetDouble("/sim/presets/heading-deg", heading);
954 fgSetDouble("/position/longitude-deg", lon);
955 fgSetDouble("/position/latitude-deg", lat);
956 fgSetDouble("/position/altitude-ft", alt);
957 fgSetDouble("/orientation/heading-deg", heading);
959 fgSetString("/sim/presets/speed-set", "UVW");
960 fgSetDouble("/velocities/uBody-fps", uvw(0));
961 fgSetDouble("/velocities/vBody-fps", uvw(1));
962 fgSetDouble("/velocities/wBody-fps", uvw(2));
963 fgSetDouble("/sim/presets/uBody-fps", uvw(0));
964 fgSetDouble("/sim/presets/vBody-fps", uvw(1));
965 fgSetDouble("/sim/presets/wBody-fps", uvw(2));
967 fgSetBool("/sim/presets/onground", true);
971 SG_LOG( SG_GENERAL, SG_ALERT, "Failed to locate aircraft carrier = "
977 // Set current_options lon/lat given an airport id and heading (degrees)
978 static bool fgSetPosFromFix( const string& id ) {
981 // set initial position from runway and heading
982 if ( globals->get_fixlist()->query( id.c_str(), &fix ) ) {
983 SG_LOG( SG_GENERAL, SG_INFO, "Attempting to set starting position for "
986 double lon = fix.get_lon();
987 double lat = fix.get_lat();
989 if ( fabs( fgGetDouble("/sim/presets/offset-distance") ) > SG_EPSILON )
991 double odist = fgGetDouble("/sim/presets/offset-distance")
993 double oaz = fabs(fgGetDouble("/sim/presets/offset-azimuth"))
995 while ( oaz >= 360.0 ) { oaz -= 360.0; }
996 double olat, olon, az2;
997 geo_direct_wgs_84 ( 0, lat, lon, oaz, odist, &olat, &olon, &az2 );
1004 fgSetDouble("/sim/presets/longitude-deg", lon );
1005 fgSetDouble("/sim/presets/latitude-deg", lat );
1007 // other code depends on the actual values being set ...
1008 fgSetDouble("/position/longitude-deg", lon );
1009 fgSetDouble("/position/latitude-deg", lat );
1010 fgSetDouble("/orientation/heading-deg",
1011 fgGetDouble("/sim/presets/heading-deg") );
1013 SG_LOG( SG_GENERAL, SG_INFO,
1014 "Position for " << id << " is ("
1015 << lon << ", "<< lat << ")" );
1019 SG_LOG( SG_GENERAL, SG_ALERT, "Failed to locate NAV = "
1027 * Initialize vor/ndb/ils/fix list management and query systems (as
1028 * well as simple airport db list)
1033 SG_LOG(SG_GENERAL, SG_INFO, "Loading Airport Database ...");
1035 SGPath aptdb( globals->get_fg_root() );
1036 aptdb.append( "Airports/apt.dat" );
1038 SGPath p_metar( globals->get_fg_root() );
1039 p_metar.append( "Airports/metar.dat" );
1041 FGAirportList *airports = new FGAirportList();
1042 globals->set_airports( airports );
1043 FGRunwayList *runways = new FGRunwayList();
1044 globals->set_runways( runways );
1046 fgAirportDBLoad( airports, runways, aptdb.str(), p_metar.str() );
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;
1053 FGNavList *tacanlist = new FGNavList;
1054 FGNavList *carrierlist = new FGNavList;
1055 FGTACANList *channellist = new FGTACANList;
1057 globals->set_navlist( navlist );
1058 globals->set_loclist( loclist );
1059 globals->set_gslist( gslist );
1060 globals->set_dmelist( dmelist );
1061 globals->set_mkrlist( mkrlist );
1062 globals->set_tacanlist( tacanlist );
1063 globals->set_carrierlist( carrierlist );
1064 globals->set_channellist( channellist );
1066 if ( !fgNavDBInit(airports, navlist, loclist, gslist, dmelist, mkrlist, tacanlist, carrierlist, channellist) ) {
1067 SG_LOG( SG_GENERAL, SG_ALERT,
1068 "Problems loading one or more navigational database" );
1071 if ( fgGetBool("/sim/navdb/localizers/auto-align", true) ) {
1072 // align all the localizers with their corresponding runways
1073 // since data sources are good for cockpit navigation
1074 // purposes, but not always to the error tolerances needed to
1075 // exactly place these items.
1077 = fgGetDouble( "/sim/navdb/localizers/auto-align-threshold-deg",
1079 fgNavDBAlignLOCwithRunway( runways, loclist, threshold );
1082 SG_LOG(SG_GENERAL, SG_INFO, " Fixes");
1083 SGPath p_fix( globals->get_fg_root() );
1084 p_fix.append( "Navaids/fix.dat" );
1085 FGFixList *fixlist = new FGFixList;
1086 fixlist->init( p_fix );
1087 globals->set_fixlist( fixlist );
1093 // Set the initial position based on presets (or defaults)
1094 bool fgInitPosition() {
1095 // cout << "fgInitPosition()" << endl;
1096 double gs = fgGetDouble("/sim/presets/glideslope-deg")
1097 * SG_DEGREES_TO_RADIANS ;
1098 double od = fgGetDouble("/sim/presets/offset-distance");
1099 double alt = fgGetDouble("/sim/presets/altitude-ft");
1101 bool set_pos = false;
1103 // If glideslope is specified, then calculate offset-distance or
1104 // altitude relative to glide slope if either of those was not
1106 if ( fabs( gs ) > 0.01 ) {
1107 fgSetDistOrAltFromGlideSlope();
1111 // If we have an explicit, in-range lon/lat, don't change it, just use it.
1112 // If not, check for an airport-id and use that.
1113 // If not, default to the middle of the KSFO field.
1114 // The default values for lon/lat are deliberately out of range
1115 // so that the airport-id can take effect; valid lon/lat will
1116 // override airport-id, however.
1117 double lon_deg = fgGetDouble("/sim/presets/longitude-deg");
1118 double lat_deg = fgGetDouble("/sim/presets/latitude-deg");
1119 if ( lon_deg >= -180.0 && lon_deg <= 180.0
1120 && lat_deg >= -90.0 && lat_deg <= 90.0 )
1125 string apt = fgGetString("/sim/presets/airport-id");
1126 string rwy_no = fgGetString("/sim/presets/runway");
1127 double hdg = fgGetDouble("/sim/presets/heading-deg");
1128 string vor = fgGetString("/sim/presets/vor-id");
1129 double vor_freq = fgGetDouble("/sim/presets/vor-freq");
1130 string ndb = fgGetString("/sim/presets/ndb-id");
1131 double ndb_freq = fgGetDouble("/sim/presets/ndb-freq");
1132 string carrier = fgGetString("/sim/presets/carrier");
1133 string parkpos = fgGetString("/sim/presets/parkpos");
1134 string fix = fgGetString("/sim/presets/fix");
1136 fgSetDouble( "/orientation/heading-deg", hdg );
1137 fgInitTowerLocationListener();
1139 if ( !set_pos && !apt.empty() && !rwy_no.empty() ) {
1140 // An airport + runway is requested
1141 if ( fgSetPosFromAirportIDandRwy( apt, rwy_no ) ) {
1142 // set tower position (a little off the heading for single
1144 fgSetString("/sim/tower/airport-id", apt.c_str());
1149 if ( !set_pos && !apt.empty() ) {
1150 // An airport is requested (find runway closest to hdg)
1151 if ( fgSetPosFromAirportIDandHdg( apt, hdg ) ) {
1152 // set tower position (a little off the heading for single
1154 fgSetString("/sim/tower/airport-id", apt.c_str());
1159 if ( !set_pos && !vor.empty() ) {
1160 // a VOR is requested
1161 if ( fgSetPosFromNAV( vor, vor_freq ) ) {
1166 if ( !set_pos && !ndb.empty() ) {
1167 // an NDB is requested
1168 if ( fgSetPosFromNAV( ndb, ndb_freq ) ) {
1173 if ( !set_pos && !carrier.empty() ) {
1174 // an aircraft carrier is requested
1175 if ( fgSetPosFromCarrier( carrier, parkpos ) ) {
1180 if ( !set_pos && !fix.empty() ) {
1181 // a Fix is requested
1182 if ( fgSetPosFromFix( fix ) ) {
1188 // No lon/lat specified, no airport specified, default to
1189 // middle of KSFO field.
1190 fgSetDouble("/sim/presets/longitude-deg", -122.374843);
1191 fgSetDouble("/sim/presets/latitude-deg", 37.619002);
1194 fgSetDouble( "/position/longitude-deg",
1195 fgGetDouble("/sim/presets/longitude-deg") );
1196 fgSetDouble( "/position/latitude-deg",
1197 fgGetDouble("/sim/presets/latitude-deg") );
1199 // determine if this should be an on-ground or in-air start
1200 if ((fabs(gs) > 0.01 || fabs(od) > 0.1 || alt > 0.1) && carrier.empty()) {
1201 fgSetBool("/sim/presets/onground", false);
1203 fgSetBool("/sim/presets/onground", true);
1210 // General house keeping initializations
1211 bool fgInitGeneral() {
1214 #if defined(FX) && defined(XMESA)
1215 char *mesa_win_state;
1218 SG_LOG( SG_GENERAL, SG_INFO, "General Initialization" );
1219 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
1221 root = globals->get_fg_root();
1222 if ( ! root.length() ) {
1223 // No root path set? Then bail ...
1224 SG_LOG( SG_GENERAL, SG_ALERT,
1225 "Cannot continue without a path to the base package "
1226 << "being defined." );
1229 SG_LOG( SG_GENERAL, SG_INFO, "FG_ROOT = " << '"' << root << '"' << endl );
1231 #if defined(FX) && defined(XMESA)
1232 // initialize full screen flag
1233 globals->set_fullscreen(false);
1234 if ( strstr ( general.get_glRenderer(), "Glide" ) ) {
1235 // Test for the MESA_GLX_FX env variable
1236 if ( (mesa_win_state = getenv( "MESA_GLX_FX" )) != NULL) {
1237 // test if we are fullscreen mesa/glide
1238 if ( (mesa_win_state[0] == 'f') ||
1239 (mesa_win_state[0] == 'F') ) {
1240 globals->set_fullscreen(true);
1250 // Initialize the flight model subsystem. This just creates the
1251 // object. The actual fdm initialization is delayed until we get a
1252 // proper scenery elevation hit. This is checked for in main.cxx
1256 if ( cur_fdm_state ) {
1257 delete cur_fdm_state;
1261 double dt = 1.0 / fgGetInt("/sim/model-hz");
1262 string model = fgGetString("/sim/flight-model");
1265 if ( model == "larcsim" ) {
1266 cur_fdm_state = new FGLaRCsim( dt );
1267 } else if ( model == "jsb" ) {
1268 cur_fdm_state = new FGJSBsim( dt );
1270 } else if ( model == "ada" ) {
1271 cur_fdm_state = new FGADA( dt );
1272 } else if ( model == "acms" ) {
1273 cur_fdm_state = new FGACMS( dt );
1275 } else if ( model == "balloon" ) {
1276 cur_fdm_state = new FGBalloonSim( dt );
1277 } else if ( model == "magic" ) {
1278 cur_fdm_state = new FGMagicCarpet( dt );
1279 } else if ( model == "ufo" ) {
1280 cur_fdm_state = new FGUFO( dt );
1281 } else if ( model == "external" ) {
1282 // external is a synonym for "--fdm=null" and is
1283 // maintained here for backwards compatibility
1284 cur_fdm_state = new FGNullFDM( dt );
1285 } else if ( model.find("network") == 0 ) {
1286 string host = "localhost";
1290 string net_options = model.substr(8);
1291 string::size_type begin, end;
1294 end = net_options.find( ",", begin );
1295 if ( end != string::npos ) {
1296 host = net_options.substr(begin, end - begin);
1300 end = net_options.find( ",", begin );
1301 if ( end != string::npos ) {
1302 port1 = atoi( net_options.substr(begin, end - begin).c_str() );
1306 end = net_options.find( ",", begin );
1307 if ( end != string::npos ) {
1308 port2 = atoi( net_options.substr(begin, end - begin).c_str() );
1312 end = net_options.find( ",", begin );
1313 if ( end != string::npos ) {
1314 port3 = atoi( net_options.substr(begin, end - begin).c_str() );
1317 cur_fdm_state = new FGExternalNet( dt, host, port1, port2, port3 );
1318 } else if ( model.find("pipe") == 0 ) {
1319 // /* old */ string pipe_path = model.substr(5);
1320 // /* old */ cur_fdm_state = new FGExternalPipe( dt, pipe_path );
1321 string pipe_path = "";
1322 string pipe_protocol = "";
1323 string pipe_options = model.substr(5);
1324 string::size_type begin, end;
1327 end = pipe_options.find( ",", begin );
1328 if ( end != string::npos ) {
1329 pipe_path = pipe_options.substr(begin, end - begin);
1332 // protocol (last option)
1333 pipe_protocol = pipe_options.substr(begin);
1334 cur_fdm_state = new FGExternalPipe( dt, pipe_path, pipe_protocol );
1335 } else if ( model == "null" ) {
1336 cur_fdm_state = new FGNullFDM( dt );
1337 } else if ( model == "yasim" ) {
1338 cur_fdm_state = new YASim( dt );
1340 SG_LOG(SG_GENERAL, SG_ALERT,
1341 "Unrecognized flight model '" << model
1342 << "', cannot init flight dynamics model.");
1346 SG_LOG(SG_GENERAL, SG_ALERT, "FlightGear aborting\n\n");
1351 static void printMat(const sgVec4 *mat, char *name="")
1354 SG_LOG(SG_GENERAL, SG_BULK, name );
1355 for(i=0; i<4; i++) {
1356 SG_LOG(SG_GENERAL, SG_BULK, " " << mat[i][0] << " " << mat[i][1]
1357 << " " << mat[i][2] << " " << mat[i][3] );
1361 // Initialize view parameters
1363 // force update of model so that viewer can get some data...
1364 globals->get_aircraft_model()->update(0);
1365 // run update for current view so that data is current...
1366 globals->get_viewmgr()->update(0);
1368 printMat(globals->get_current_view()->get_VIEW(),"VIEW");
1369 printMat(globals->get_current_view()->get_UP(),"UP");
1370 // printMat(globals->get_current_view()->get_LOCAL(),"LOCAL");
1375 SGTime *fgInitTime() {
1377 static const SGPropertyNode *longitude
1378 = fgGetNode("/position/longitude-deg");
1379 static const SGPropertyNode *latitude
1380 = fgGetNode("/position/latitude-deg");
1381 static const SGPropertyNode *cur_time_override
1382 = fgGetNode("/sim/time/cur-time-override", true);
1384 SGPath zone( globals->get_fg_root() );
1385 zone.append( "Timezone" );
1386 SGTime *t = new SGTime( longitude->getDoubleValue()
1387 * SGD_DEGREES_TO_RADIANS,
1388 latitude->getDoubleValue()
1389 * SGD_DEGREES_TO_RADIANS,
1391 cur_time_override->getLongValue() );
1393 globals->set_warp_delta( 0 );
1395 t->update( 0.0, 0.0,
1396 cur_time_override->getLongValue(),
1397 globals->get_warp() );
1403 // set up a time offset (aka warp) if one is specified
1404 void fgInitTimeOffset() {
1405 static const SGPropertyNode *longitude
1406 = fgGetNode("/position/longitude-deg");
1407 static const SGPropertyNode *latitude
1408 = fgGetNode("/position/latitude-deg");
1409 static const SGPropertyNode *cur_time_override
1410 = fgGetNode("/sim/time/cur-time-override", true);
1412 // Handle potential user specified time offsets
1413 int orig_warp = globals->get_warp();
1414 SGTime *t = globals->get_time_params();
1415 time_t cur_time = t->get_cur_time();
1416 time_t currGMT = sgTimeGetGMT( gmtime(&cur_time) );
1417 time_t systemLocalTime = sgTimeGetGMT( localtime(&cur_time) );
1418 time_t aircraftLocalTime =
1419 sgTimeGetGMT( fgLocaltime(&cur_time, t->get_zonename() ) );
1421 // Okay, we now have several possible scenarios
1422 int offset = fgGetInt("/sim/startup/time-offset");
1423 string offset_type = fgGetString("/sim/startup/time-offset-type");
1426 if ( offset_type == "real" ) {
1428 } else if ( offset_type == "dawn" ) {
1429 warp = fgTimeSecondsUntilSunAngle( cur_time,
1430 longitude->getDoubleValue()
1431 * SGD_DEGREES_TO_RADIANS,
1432 latitude->getDoubleValue()
1433 * SGD_DEGREES_TO_RADIANS,
1435 } else if ( offset_type == "morning" ) {
1436 warp = fgTimeSecondsUntilSunAngle( cur_time,
1437 longitude->getDoubleValue()
1438 * SGD_DEGREES_TO_RADIANS,
1439 latitude->getDoubleValue()
1440 * SGD_DEGREES_TO_RADIANS,
1442 } else if ( offset_type == "noon" ) {
1443 warp = fgTimeSecondsUntilSunAngle( cur_time,
1444 longitude->getDoubleValue()
1445 * SGD_DEGREES_TO_RADIANS,
1446 latitude->getDoubleValue()
1447 * SGD_DEGREES_TO_RADIANS,
1449 } else if ( offset_type == "afternoon" ) {
1450 warp = fgTimeSecondsUntilSunAngle( cur_time,
1451 longitude->getDoubleValue()
1452 * SGD_DEGREES_TO_RADIANS,
1453 latitude->getDoubleValue()
1454 * SGD_DEGREES_TO_RADIANS,
1456 } else if ( offset_type == "dusk" ) {
1457 warp = fgTimeSecondsUntilSunAngle( cur_time,
1458 longitude->getDoubleValue()
1459 * SGD_DEGREES_TO_RADIANS,
1460 latitude->getDoubleValue()
1461 * SGD_DEGREES_TO_RADIANS,
1463 } else if ( offset_type == "evening" ) {
1464 warp = fgTimeSecondsUntilSunAngle( cur_time,
1465 longitude->getDoubleValue()
1466 * SGD_DEGREES_TO_RADIANS,
1467 latitude->getDoubleValue()
1468 * SGD_DEGREES_TO_RADIANS,
1470 } else if ( offset_type == "midnight" ) {
1471 warp = fgTimeSecondsUntilSunAngle( cur_time,
1472 longitude->getDoubleValue()
1473 * SGD_DEGREES_TO_RADIANS,
1474 latitude->getDoubleValue()
1475 * SGD_DEGREES_TO_RADIANS,
1477 } else if ( offset_type == "system-offset" ) {
1479 } else if ( offset_type == "gmt-offset" ) {
1480 warp = offset - (currGMT - systemLocalTime);
1481 } else if ( offset_type == "latitude-offset" ) {
1482 warp = offset - (aircraftLocalTime - systemLocalTime);
1483 } else if ( offset_type == "system" ) {
1484 warp = offset - cur_time;
1485 } else if ( offset_type == "gmt" ) {
1486 warp = offset - currGMT;
1487 } else if ( offset_type == "latitude" ) {
1488 warp = offset - (aircraftLocalTime - systemLocalTime) - cur_time;
1490 SG_LOG( SG_GENERAL, SG_ALERT,
1491 "FG_TIME::Unsupported offset type " << offset_type );
1494 globals->set_warp( orig_warp + warp );
1495 t->update( longitude->getDoubleValue() * SGD_DEGREES_TO_RADIANS,
1496 latitude->getDoubleValue() * SGD_DEGREES_TO_RADIANS,
1497 cur_time_override->getLongValue(),
1498 globals->get_warp() );
1500 SG_LOG( SG_GENERAL, SG_INFO, "After fgInitTimeOffset(): warp = "
1501 << globals->get_warp() );
1505 // This is the top level init routine which calls all the other
1506 // initialization routines. If you are adding a subsystem to flight
1507 // gear, its initialization call should located in this routine.
1508 // Returns non-zero if a problem encountered.
1509 bool fgInitSubsystems() {
1510 // static const SGPropertyNode *longitude
1511 // = fgGetNode("/sim/presets/longitude-deg");
1512 // static const SGPropertyNode *latitude
1513 // = fgGetNode("/sim/presets/latitude-deg");
1514 // static const SGPropertyNode *altitude
1515 // = fgGetNode("/sim/presets/altitude-ft");
1516 SG_LOG( SG_GENERAL, SG_INFO, "Initialize Subsystems");
1517 SG_LOG( SG_GENERAL, SG_INFO, "========== ==========");
1519 ////////////////////////////////////////////////////////////////////
1520 // Initialize the event manager subsystem.
1521 ////////////////////////////////////////////////////////////////////
1523 globals->get_event_mgr()->init();
1524 globals->get_event_mgr()->setRealtimeProperty(fgGetNode("/sim/time/delta-realtime-sec", true));
1526 ////////////////////////////////////////////////////////////////////
1527 // Initialize the property interpolator subsystem
1528 ////////////////////////////////////////////////////////////////////
1529 globals->add_subsystem("interpolator", new SGInterpolator);
1532 ////////////////////////////////////////////////////////////////////
1533 // Add the FlightGear property utilities.
1534 ////////////////////////////////////////////////////////////////////
1535 globals->add_subsystem("properties", new FGProperties);
1537 ////////////////////////////////////////////////////////////////////
1538 // Initialize the material property subsystem.
1539 ////////////////////////////////////////////////////////////////////
1541 SGPath mpath( globals->get_fg_root() );
1542 mpath.append( "materials.xml" );
1543 string season = fgGetString("/sim/startup/season", "summer");
1544 if ( ! globals->get_matlib()->load(globals->get_fg_root(), mpath.str(), season.c_str()) ) {
1545 SG_LOG( SG_GENERAL, SG_ALERT, "Error loading material lib!" );
1550 ////////////////////////////////////////////////////////////////////
1551 // Initialize the scenery management subsystem.
1552 ////////////////////////////////////////////////////////////////////
1554 if ( globals->get_tile_mgr()->init() ) {
1555 // Load the local scenery data
1556 double visibility_meters = fgGetDouble("/environment/visibility-m");
1558 globals->get_tile_mgr()->update( visibility_meters );
1560 SG_LOG( SG_GENERAL, SG_ALERT, "Error in Tile Manager initialization!" );
1564 // cause refresh of viewer scenery timestamps every 15 seconds...
1565 globals->get_event_mgr()->addTask( "FGTileMgr::refresh_view_timestamps()",
1566 globals->get_tile_mgr(),
1567 &FGTileMgr::refresh_view_timestamps,
1571 ////////////////////////////////////////////////////////////////////
1572 // Initialize the flight model subsystem.
1573 ////////////////////////////////////////////////////////////////////
1577 // allocates structures so must happen before any of the flight
1578 // model or control parameters are set
1579 fgAircraftInit(); // In the future this might not be the case.
1582 ////////////////////////////////////////////////////////////////////
1583 // Initialize the XML Autopilot subsystem.
1584 ////////////////////////////////////////////////////////////////////
1586 globals->add_subsystem( "xml-autopilot", new FGXMLAutopilot );
1587 globals->add_subsystem( "route-manager", new FGRouteMgr );
1590 ////////////////////////////////////////////////////////////////////
1591 // Initialize the view manager subsystem.
1592 ////////////////////////////////////////////////////////////////////
1596 ////////////////////////////////////////////////////////////////////
1597 // Create and register the logger.
1598 ////////////////////////////////////////////////////////////////////
1600 globals->add_subsystem("logger", new FGLogger);
1602 ////////////////////////////////////////////////////////////////////
1603 // Create and register the XML GUI.
1604 ////////////////////////////////////////////////////////////////////
1606 globals->add_subsystem("gui", new NewGUI, SGSubsystemMgr::INIT);
1609 ////////////////////////////////////////////////////////////////////
1610 // Initialize the local time subsystem.
1611 ////////////////////////////////////////////////////////////////////
1613 // update the current timezone each 30 minutes
1614 globals->get_event_mgr()->addTask( "fgUpdateLocalTime()",
1615 &fgUpdateLocalTime, 30*60 );
1616 fgInitTimeOffset(); // the environment subsystem needs this
1619 ////////////////////////////////////////////////////////////////////
1620 // Initialize the weather subsystem.
1621 ////////////////////////////////////////////////////////////////////
1623 // Initialize the weather modeling subsystem
1624 globals->add_subsystem("environment", new FGEnvironmentMgr);
1627 ////////////////////////////////////////////////////////////////////
1628 // Initialize the lighting subsystem.
1629 ////////////////////////////////////////////////////////////////////
1631 globals->add_subsystem("lighting", new FGLight);
1633 //////////////////////////////////////////////////////////////////////
1634 // Initialize the 2D cloud subsystem.
1635 ////////////////////////////////////////////////////////////////////
1636 fgGetBool("/sim/rendering/bump-mapping", false);
1638 #ifdef ENABLE_AUDIO_SUPPORT
1639 ////////////////////////////////////////////////////////////////////
1640 // Initialize the sound subsystem.
1641 ////////////////////////////////////////////////////////////////////
1643 init_volume = fgGetFloat("/sim/sound/volume");
1644 fgSetFloat("/sim/sound/volume", 0.0f);
1645 globals->set_soundmgr(new SGSoundMgr);
1646 globals->get_soundmgr()->init();
1647 globals->get_soundmgr()->bind();
1650 ////////////////////////////////////////////////////////////////////
1651 // Initialize the sound-effects subsystem.
1652 ////////////////////////////////////////////////////////////////////
1654 globals->add_subsystem("fx", new FGFX);
1655 globals->add_subsystem("voice", new FGVoiceMgr);
1658 ////////////////////////////////////////////////////////////////////
1659 // Initialise ATC display system
1660 ////////////////////////////////////////////////////////////////////
1662 SG_LOG(SG_GENERAL, SG_INFO, " ATC Display");
1663 globals->set_ATC_display(new FGATCDisplay);
1664 globals->get_ATC_display()->init();
1666 ////////////////////////////////////////////////////////////////////
1667 // Initialise the ATC Manager
1668 ////////////////////////////////////////////////////////////////////
1670 SG_LOG(SG_GENERAL, SG_INFO, " ATC Manager");
1671 globals->set_ATC_mgr(new FGATCMgr);
1672 globals->get_ATC_mgr()->init();
1674 ////////////////////////////////////////////////////////////////////
1675 // Initialise the AI Manager
1676 ////////////////////////////////////////////////////////////////////
1678 SG_LOG(SG_GENERAL, SG_INFO, " AI Manager");
1679 globals->set_AI_mgr(new FGAIMgr);
1680 globals->get_AI_mgr()->init();
1682 ////////////////////////////////////////////////////////////////////
1683 // Initialise the AI Model Manager
1684 ////////////////////////////////////////////////////////////////////
1685 SG_LOG(SG_GENERAL, SG_INFO, " AI Model Manager");
1686 globals->add_subsystem("ai_model", new FGAIManager);
1687 globals->add_subsystem("submodel_mgr", new FGSubmodelMgr);
1690 // It's probably a good idea to initialize the top level traffic manager
1691 // After the AI and ATC systems have been initialized properly.
1692 // AI Traffic manager
1693 globals->add_subsystem("Traffic Manager", new FGTrafficManager);
1694 FGTrafficManager *dispatcher =
1695 (FGTrafficManager*) globals->get_subsystem("Traffic Manager");
1696 SGPath path = globals->get_fg_root();
1697 path.append("/Traffic/fgtraffic.xml");
1700 //globals->get_subsystem("Traffic Manager")->init();
1702 globals->add_subsystem("instrumentation", new FGInstrumentMgr);
1703 globals->add_subsystem("systems", new FGSystemMgr);
1707 ////////////////////////////////////////////////////////////////////
1708 // Initialize the cockpit subsystem
1709 ////////////////////////////////////////////////////////////////////
1710 if( fgCockpitInit( ¤t_aircraft )) {
1711 // Cockpit initialized ok.
1713 SG_LOG( SG_GENERAL, SG_ALERT, "Error in Cockpit initialization!" );
1718 ////////////////////////////////////////////////////////////////////
1719 // Initialize the autopilot subsystem.
1720 ////////////////////////////////////////////////////////////////////
1722 // FIXME: these should go in the
1723 // GUI initialization code, not here.
1724 // fgAPAdjustInit();
1725 NewTgtAirportInit();
1729 ////////////////////////////////////////////////////////////////////
1730 // Initialize I/O subsystem.
1731 ////////////////////////////////////////////////////////////////////
1733 globals->get_io()->init();
1734 globals->get_io()->bind();
1737 ////////////////////////////////////////////////////////////////////
1738 // Add a new 2D panel.
1739 ////////////////////////////////////////////////////////////////////
1741 string panel_path = fgGetString("/sim/panel/path",
1742 "Panels/Default/default.xml");
1744 globals->set_current_panel( fgReadPanel(panel_path) );
1745 if (globals->get_current_panel() == 0) {
1746 SG_LOG( SG_INPUT, SG_ALERT,
1747 "Error reading new panel from " << panel_path );
1749 SG_LOG( SG_INPUT, SG_INFO, "Loaded new panel from " << panel_path );
1750 globals->get_current_panel()->init();
1751 globals->get_current_panel()->bind();
1755 ////////////////////////////////////////////////////////////////////
1756 // Initialize the controls subsystem.
1757 ////////////////////////////////////////////////////////////////////
1759 globals->get_controls()->init();
1760 globals->get_controls()->bind();
1763 ////////////////////////////////////////////////////////////////////
1764 // Initialize the input subsystem.
1765 ////////////////////////////////////////////////////////////////////
1767 globals->add_subsystem("input", new FGInput);
1770 ////////////////////////////////////////////////////////////////////
1771 // Initialize the replay subsystem
1772 ////////////////////////////////////////////////////////////////////
1773 globals->add_subsystem("replay", new FGReplay);
1775 ////////////////////////////////////////////////////////////////////
1776 // Bind and initialize subsystems.
1777 ////////////////////////////////////////////////////////////////////
1779 globals->get_subsystem_mgr()->bind();
1780 globals->get_subsystem_mgr()->init();
1782 ////////////////////////////////////////////////////////////////////
1783 // Initialize multiplayer subsystem
1784 ////////////////////////////////////////////////////////////////////
1786 globals->set_multiplayer_mgr(new FGMultiplayMgr);
1787 globals->get_multiplayer_mgr()->init();
1789 ////////////////////////////////////////////////////////////////////////
1790 // Initialize the Nasal interpreter.
1791 // Do this last, so that the loaded scripts see initialized state
1792 ////////////////////////////////////////////////////////////////////////
1793 FGNasalSys* nasal = new FGNasalSys();
1794 globals->add_subsystem("nasal", nasal);
1797 // initialize methods that depend on other subsystems.
1798 globals->get_subsystem_mgr()->postinit();
1800 ////////////////////////////////////////////////////////////////////////
1801 // End of subsystem initialization.
1802 ////////////////////////////////////////////////////////////////////
1804 SG_LOG( SG_GENERAL, SG_INFO, endl);
1806 // Save the initial state for future
1808 globals->saveInitialState();
1814 void fgReInitSubsystems()
1816 // static const SGPropertyNode *longitude
1817 // = fgGetNode("/sim/presets/longitude-deg");
1818 // static const SGPropertyNode *latitude
1819 // = fgGetNode("/sim/presets/latitude-deg");
1820 static const SGPropertyNode *altitude
1821 = fgGetNode("/sim/presets/altitude-ft");
1822 static const SGPropertyNode *master_freeze
1823 = fgGetNode("/sim/freeze/master");
1825 SG_LOG( SG_GENERAL, SG_INFO,
1826 "fgReInitSubsystems(): /position/altitude = "
1827 << altitude->getDoubleValue() );
1829 bool freeze = master_freeze->getBoolValue();
1831 fgSetBool("/sim/freeze/master", true);
1833 fgSetBool("/sim/crashed", false);
1835 // Force reupdating the positions of the ai 3d models. They are used for
1836 // initializing ground level for the FDM.
1837 globals->get_subsystem("ai_model")->reinit();
1839 // Initialize the FDM
1842 // allocates structures so must happen before any of the flight
1843 // model or control parameters are set
1844 fgAircraftInit(); // In the future this might not be the case.
1846 // reload offsets from config defaults
1847 globals->get_viewmgr()->reinit();
1851 globals->get_controls()->reset_all();
1853 fgUpdateLocalTime();
1855 // re-init to proper time of day setting
1859 fgSetBool("/sim/freeze/master", false);
1861 fgSetBool("/sim/sceneryloaded",false);