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., 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 #include <simgear/timing/sg_time.hxx>
64 #include <simgear/timing/lowleveltime.h>
66 #include <Aircraft/aircraft.hxx>
67 #include <Aircraft/replay.hxx>
68 #include <Airports/apt_loader.hxx>
69 #include <Airports/runways.hxx>
70 #include <Airports/simple.hxx>
71 #include <AIModel/AIManager.hxx>
72 #include <ATC/ATCdisplay.hxx>
73 #include <ATC/ATCmgr.hxx>
74 #include <ATC/AIMgr.hxx>
75 #include <Autopilot/auto_gui.hxx>
76 #include <Autopilot/route_mgr.hxx>
77 #include <Autopilot/xmlauto.hxx>
78 #include <Cockpit/cockpit.hxx>
79 #include <Cockpit/panel.hxx>
80 #include <Cockpit/panel_io.hxx>
82 #include <FDM/SP/ADA.hxx>
83 #include <FDM/SP/ACMS.hxx>
85 #include <FDM/Balloon.h>
86 #include <FDM/ExternalNet/ExternalNet.hxx>
87 #include <FDM/ExternalPipe/ExternalPipe.hxx>
88 #include <FDM/JSBSim/JSBSim.hxx>
89 #include <FDM/LaRCsim/LaRCsim.hxx>
90 #include <FDM/MagicCarpet.hxx>
91 #include <FDM/UFO.hxx>
92 #include <FDM/NullFDM.hxx>
93 #include <FDM/YASim/YASim.hxx>
94 #include <GUI/new_gui.hxx>
95 #include <Include/general.hxx>
96 #include <Input/input.hxx>
97 #include <Instrumentation/instrument_mgr.hxx>
98 #include <Model/acmodel.hxx>
99 #include <AIModel/submodel.hxx>
100 #include <AIModel/AIManager.hxx>
101 #include <Navaids/navdb.hxx>
102 #include <Navaids/navlist.hxx>
103 #include <Scenery/scenery.hxx>
104 #include <Scenery/tilemgr.hxx>
105 #include <Scripting/NasalSys.hxx>
106 #include <Sound/fg_fx.hxx>
107 #include <Sound/beacon.hxx>
108 #include <Sound/morse.hxx>
109 #include <Systems/system_mgr.hxx>
110 #include <Time/light.hxx>
111 #include <Time/sunsolver.hxx>
112 #include <Time/tmp.hxx>
113 #include <Traffic/TrafficMgr.hxx>
116 #include <MultiPlayer/multiplaymgr.hxx>
119 #include <Environment/environment_mgr.hxx>
121 #include "fg_init.hxx"
123 #include "fg_commands.hxx"
124 #include "fg_props.hxx"
125 #include "options.hxx"
126 #include "globals.hxx"
127 #include "logger.hxx"
128 #include "viewmgr.hxx"
131 #if defined(FX) && defined(XMESA)
132 #include <GL/xmesa.h>
135 SG_USING_STD(string);
139 extern const char *default_root;
143 // Scan the command line options for the specified option and return
145 static string fgScanForOption( const string& option, int argc, char **argv ) {
148 cout << "The quest for hostname part 1" << endl;
149 if (hostname == NULL)
152 gethostname(_hostname, 256);
153 hostname = strdup(_hostname);
154 free_hostname = true;
157 SG_LOG(SG_GENERAL, SG_INFO, "Scanning command line for: " << option );
159 int len = option.length();
162 SG_LOG( SG_GENERAL, SG_DEBUG, "argv[" << i << "] = " << argv[i] );
164 string arg = argv[i];
165 if ( arg.find( option ) == 0 ) {
166 return arg.substr( len );
176 // Scan the user config files for the specified option and return
178 static string fgScanForOption( const string& option, const string& path ) {
179 sg_gzifstream in( path );
180 if ( !in.is_open() ) {
184 SG_LOG( SG_GENERAL, SG_INFO, "Scanning " << path << " for: " << option );
186 int len = option.length();
190 while ( ! in.eof() ) {
193 while ( in.get(c) && c != '\0' ) {
198 #if defined( macintosh )
199 getline( in, line, '\r' );
201 getline( in, line, '\n' );
204 // catch extraneous (DOS) line ending character
205 if ( line[line.length() - 1] < 32 ) {
206 line = line.substr( 0, line.length()-1 );
209 if ( line.find( option ) == 0 ) {
210 return line.substr( len );
219 // Scan the user config files for the specified option and return
221 static string fgScanForOption( const string& option ) {
224 #if defined( unix ) || defined( __CYGWIN__ )
225 // Next check home directory for .fgfsrc.hostname file
227 if ( homedir != NULL ) {
228 SGPath config( homedir );
229 config.append( ".fgfsrc" );
230 config.concat( "." );
231 config.concat( hostname );
232 arg = fgScanForOption( option, config.str() );
237 // Next check home directory for .fgfsrc file
239 if ( homedir != NULL ) {
240 SGPath config( homedir );
241 config.append( ".fgfsrc" );
242 arg = fgScanForOption( option, config.str() );
247 // Check for $fg_root/system.fgfsrc
248 SGPath config( globals->get_fg_root() );
249 config.append( "system.fgfsrc" );
250 arg = fgScanForOption( option, config.str() );
257 // Read in configuration (files and command line options) but only set
259 bool fgInitFGRoot ( int argc, char **argv ) {
262 // First parse command line options looking for --fg-root=, this
263 // will override anything specified in a config file
264 root = fgScanForOption( "--fg-root=", argc, argv);
266 // Check in one of the user configuration files.
268 root = fgScanForOption( "--fg-root=" );
270 // Next check if fg-root is set as an env variable
271 if ( root.empty() ) {
272 char *envp = ::getenv( "FG_ROOT" );
273 if ( envp != NULL ) {
278 // Otherwise, default to a random compiled-in location if we can't
279 // find fg-root any other way.
280 if ( root.empty() ) {
281 #if defined( __CYGWIN__ )
282 root = "/FlightGear";
283 #elif defined( WIN32 )
284 root = "\\FlightGear";
285 #elif defined(OSX_BUNDLE)
286 /* the following code looks for the base package directly inside
287 the application bundle. This can be changed fairly easily by
288 fiddling with the code below. And yes, I know it's ugly and verbose.
290 CFBundleRef appBundle = CFBundleGetMainBundle();
291 CFURLRef appUrl = CFBundleCopyBundleURL(appBundle);
292 CFRelease(appBundle);
294 // look for a 'data' subdir directly inside the bundle : is there
295 // a better place? maybe in Resources? I don't know ...
296 CFURLRef dataDir = CFURLCreateCopyAppendingPathComponent(NULL, appUrl, CFSTR("data"), true);
298 // now convert down to a path, and the a c-string
299 CFStringRef path = CFURLCopyFileSystemPath(dataDir, kCFURLPOSIXPathStyle);
300 root = CFStringGetCStringPtr(path, CFStringGetSystemEncoding());
303 CFRelease(appBundle);
311 SG_LOG(SG_INPUT, SG_INFO, "fg_root = " << root );
312 globals->set_fg_root(root);
318 // Read in configuration (files and command line options) but only set
320 bool fgInitFGAircraft ( int argc, char **argv ) {
323 // First parse command line options looking for --aircraft=, this
324 // will override anything specified in a config file
325 aircraft = fgScanForOption( "--aircraft=", argc, argv );
327 // Check in one of the user configuration files.
328 if ( aircraft.empty() )
329 aircraft = fgScanForOption( "--aircraft=" );
331 // if an aircraft was specified, set the property name
332 if ( !aircraft.empty() ) {
333 SG_LOG(SG_INPUT, SG_INFO, "aircraft = " << aircraft );
334 fgSetString("/sim/aircraft", aircraft.c_str() );
336 SG_LOG(SG_INPUT, SG_INFO, "No user specified aircraft, using default" );
343 // Return the current base package version
344 string fgBasePackageVersion() {
345 SGPath base_path( globals->get_fg_root() );
346 base_path.append("version");
348 sg_gzifstream in( base_path.str() );
349 if ( !in.is_open() ) {
350 SGPath old_path( globals->get_fg_root() );
351 old_path.append( "Thanks" );
352 sg_gzifstream old( old_path.str() );
353 if ( !old.is_open() ) {
356 return "[old version]";
367 // Initialize the localization
368 SGPropertyNode *fgInitLocale(const char *language) {
369 SGPropertyNode *c_node = NULL, *d_node = NULL;
370 SGPropertyNode *intl = fgGetNode("/sim/intl");
372 SG_LOG(SG_GENERAL, SG_INFO, "Selecting language: " << language );
374 // localization not defined
379 // Select the proper language from the list
381 vector<SGPropertyNode_ptr> locale = intl->getChildren("locale");
382 for (unsigned int i = 0; i < locale.size(); i++) {
384 vector<SGPropertyNode_ptr> lang = locale[i]->getChildren("lang");
385 for (unsigned int j = 0; j < lang.size(); j++) {
387 if (!strcmp(lang[j]->getStringValue(), language)) {
396 d_node = intl->getChild("locale");
400 // Check for localized font
401 SGPropertyNode *font_n = c_node->getNode("font", true);
402 if ( !strcmp(font_n->getStringValue(), "") )
403 font_n->setStringValue(d_node->getStringValue("font", "typewriter.txf"));
407 // Load the default strings
409 SGPath d_path( globals->get_fg_root() );
411 const char *d_path_str = d_node->getStringValue("strings");
413 SG_LOG(SG_GENERAL, SG_ALERT, "Incorrect path in configuration file.");
417 d_path.append(d_path_str);
418 SG_LOG(SG_GENERAL, SG_INFO, "Reading localized strings from "
421 SGPropertyNode *strings = c_node->getNode("strings");
423 readProperties(d_path.str(), strings);
424 } catch (const sg_exception &e) {
425 SG_LOG(SG_GENERAL, SG_ALERT, "Unable to read the localized strings");
430 // Load the language specific strings
432 if (c_node != d_node) {
433 SGPath c_path( globals->get_fg_root() );
435 const char *c_path_str = c_node->getStringValue("strings");
437 SG_LOG(SG_GENERAL, SG_ALERT, "Incorrect path in configuration file.");
441 c_path.append(c_path_str);
442 SG_LOG(SG_GENERAL, SG_INFO, "Reading localized strings from "
446 readProperties(c_path.str(), strings);
447 } catch (const sg_exception &e) {
448 SG_LOG(SG_GENERAL, SG_ALERT, "Unable to read the localized strings");
458 // Initialize the localization routines
459 bool fgDetectLanguage() {
460 char *language = ::getenv("LANG");
462 if (language == NULL) {
463 SG_LOG(SG_GENERAL, SG_INFO, "Unable to detect the language" );
467 SGPropertyNode *locale = fgInitLocale(language);
469 SG_LOG(SG_GENERAL, SG_ALERT,
470 "No internationalization settings specified in preferences.xml" );
475 globals->set_locale( locale );
480 // Attempt to locate and parse the various non-XML config files in order
481 // from least precidence to greatest precidence
483 do_options (int argc, char ** argv)
485 // Check for $fg_root/system.fgfsrc
486 SGPath config( globals->get_fg_root() );
487 config.append( "system.fgfsrc" );
488 fgParseOptions(config.str());
490 #if defined( unix ) || defined( __CYGWIN__ )
491 config.concat( "." );
492 config.concat( hostname );
493 fgParseOptions(config.str());
496 // Check for ~/.fgfsrc
497 if ( homedir != NULL ) {
498 config.set( homedir );
499 config.append( ".fgfsrc" );
500 fgParseOptions(config.str());
503 #if defined( unix ) || defined( __CYGWIN__ )
504 // Check for ~/.fgfsrc.hostname
505 config.concat( "." );
506 config.concat( hostname );
507 fgParseOptions(config.str());
510 // Parse remaining command line options
511 // These will override anything specified in a config file
512 fgParseArgs(argc, argv);
516 static string fgFindAircraftPath( const SGPath &path, const string &aircraft ) {
518 ulDir *dirp = ulOpenDir(path.str().c_str());
520 cerr << "Unable to open aircraft directory '" << path.str() << '\'' << endl;
524 while ((dire = ulReadDir(dirp)) != NULL) {
526 if ( strcmp("CVS", dire->d_name) && strcmp(".", dire->d_name)
527 && strcmp("..", dire->d_name) )
530 next.append(dire->d_name);
532 string result = fgFindAircraftPath( next, aircraft );
533 if ( ! result.empty() ) {
537 } else if ( !strcmp(dire->d_name, aircraft.c_str()) ) {
548 // Read in configuration (file and command line)
549 bool fgInitConfig ( int argc, char **argv ) {
551 // First, set some sane default values
554 // Read global preferences from $FG_ROOT/preferences.xml
555 SG_LOG(SG_INPUT, SG_INFO, "Reading global preferences");
556 fgLoadProps("preferences.xml", globals->get_props());
557 SG_LOG(SG_INPUT, SG_INFO, "Finished Reading global preferences");
559 // Detect the required language as early as possible
560 if ( !fgDetectLanguage() ) {
564 // Scan user config files and command line for a specified aircraft.
565 fgInitFGAircraft(argc, argv);
567 string aircraft = fgGetString( "/sim/aircraft", "" );
568 if ( aircraft.size() > 0 ) {
569 SGPath aircraft_search( globals->get_fg_root() );
570 aircraft_search.append( "Aircraft" );
572 string aircraft_set = aircraft + "-set.xml";
574 string result = fgFindAircraftPath( aircraft_search, aircraft_set );
575 if ( !result.empty() ) {
576 fgSetString( "/sim/aircraft-dir", result.c_str() );
577 SGPath full_name( result );
578 full_name.append( aircraft_set );
580 SG_LOG(SG_INPUT, SG_INFO, "Reading default aircraft: " << aircraft
581 << " from " << full_name.str());
583 readProperties( full_name.str(), globals->get_props() );
584 } catch ( const sg_exception &e ) {
585 string message = "Error reading default aircraft: ";
586 message += e.getFormattedMessage();
587 SG_LOG(SG_INPUT, SG_ALERT, message);
591 SG_LOG( SG_INPUT, SG_ALERT, "Cannot find specified aircraft: "
597 SG_LOG( SG_INPUT, SG_ALERT, "No default aircraft specified" );
601 char *envp = ::getenv( "APPDATA" );
603 SGPath config( envp );
604 config.append( "flightgear.org" );
606 if ( homedir != NULL ) {
607 SGPath config( homedir );
608 config.append( ".fgfs" );
610 config.append( "preferences.xml" );
611 SG_LOG(SG_INPUT, SG_INFO, "Reading user preferences");
613 fgLoadProps(config.str().c_str(), globals->get_props(), false,
614 SGPropertyNode::USERARCHIVE);
616 SG_LOG(SG_INPUT, SG_BULK, "First time reading user preferences.");
618 SG_LOG(SG_INPUT, SG_BULK, "Finished Reading user preferences");
621 // parse options after loading aircraft to ensure any user
622 // overrides of defaults are honored.
623 do_options(argc, argv);
629 // find basic airport location info from airport database
630 bool fgFindAirportID( const string& id, FGAirport *a ) {
631 const FGAirport* result;
633 SG_LOG( SG_GENERAL, SG_INFO, "Searching for airport code = " << id );
635 result = globals->get_airports()->search( id );
637 if ( result == NULL ) {
638 SG_LOG( SG_GENERAL, SG_ALERT,
639 "Failed to find " << id << " in apt.dat.gz" );
648 SG_LOG( SG_GENERAL, SG_INFO,
649 "Position for " << id << " is ("
650 << a->getLongitude() << ", "
651 << a->getLatitude() << ")" );
657 // get airport elevation
658 static double fgGetAirportElev( const string& id ) {
662 SG_LOG( SG_GENERAL, SG_INFO,
663 "Finding elevation for airport: " << id );
665 if ( fgFindAirportID( id, &a ) ) {
666 return a.getElevation();
675 // This function is never used, but maybe useful in the future ???
678 // Preset lon/lat given an airport id
679 static bool fgSetPosFromAirportID( const string& id ) {
683 SG_LOG( SG_GENERAL, SG_INFO,
684 "Attempting to set starting position from airport code " << id );
686 if ( fgFindAirportID( id, &a ) ) {
688 fgSetDouble("/sim/presets/longitude-deg", a.longitude );
689 fgSetDouble("/sim/presets/latitude-deg", a.latitude );
691 // other code depends on the actual postition being set so set
693 fgSetDouble("/position/longitude-deg", a.longitude );
694 fgSetDouble("/position/latitude-deg", a.latitude );
696 SG_LOG( SG_GENERAL, SG_INFO,
697 "Position for " << id << " is (" << a.longitude
698 << ", " << a.latitude << ")" );
708 // Set current tower position lon/lat given an airport id
709 static bool fgSetTowerPosFromAirportID( const string& id, double hdg ) {
711 // tower height hard coded for now...
712 float towerheight=50.0f;
714 // make a little off the heading for 1 runway airports...
715 float fudge_lon = fabs(sin(hdg)) * .003f;
716 float fudge_lat = .003f - fudge_lon;
718 if ( fgFindAirportID( id, &a ) ) {
719 fgSetDouble("/sim/tower/longitude-deg", a.getLongitude() + fudge_lon);
720 fgSetDouble("/sim/tower/latitude-deg", a.getLatitude() + fudge_lat);
721 fgSetDouble("/sim/tower/altitude-ft", a.getElevation() + towerheight);
729 struct FGTowerLocationListener : SGPropertyChangeListener {
730 void valueChanged(SGPropertyNode* node) {
731 const double hdg = fgGetDouble( "/orientation/heading-deg", 0);
732 const string id(node->getStringValue());
733 fgSetTowerPosFromAirportID(id, hdg);
737 static void fgInitTowerLocationListener() {
738 fgGetNode("/sim/tower/airport-id", true)
739 ->addChangeListener( new FGTowerLocationListener() );
742 // Set current_options lon/lat given an airport id and heading (degrees)
743 static bool fgSetPosFromAirportIDandHdg( const string& id, double tgt_hdg ) {
747 // set initial position from runway and heading
749 SG_LOG( SG_GENERAL, SG_INFO,
750 "Attempting to set starting position from airport code "
751 << id << " heading " << tgt_hdg );
753 if ( ! globals->get_runways()->search( id, (int)tgt_hdg, &r ) ) {
754 SG_LOG( SG_GENERAL, SG_ALERT,
755 "Failed to find a good runway for " << id << '\n' );
762 double lat2, lon2, az2;
763 double heading = r._heading;
764 double azimuth = heading + 180.0;
765 while ( azimuth >= 360.0 ) { azimuth -= 360.0; }
767 SG_LOG( SG_GENERAL, SG_INFO,
768 "runway = " << r._lon << ", " << r._lat
769 << " length = " << r._length * SG_FEET_TO_METER
770 << " heading = " << azimuth );
772 geo_direct_wgs_84 ( 0, r._lat, r._lon, azimuth,
773 r._length * SG_FEET_TO_METER * 0.5 - 5.0,
774 &lat2, &lon2, &az2 );
776 if ( fabs( fgGetDouble("/sim/presets/offset-distance") ) > SG_EPSILON ) {
778 double odist = fgGetDouble("/sim/presets/offset-distance");
779 odist *= SG_NM_TO_METER;
780 double oaz = azimuth;
781 if ( fabs(fgGetDouble("/sim/presets/offset-azimuth")) > SG_EPSILON ) {
782 oaz = fgGetDouble("/sim/presets/offset-azimuth") + 180;
785 while ( oaz >= 360.0 ) { oaz -= 360.0; }
786 geo_direct_wgs_84 ( 0, lat2, lon2, oaz, odist, &olat, &olon, &az2 );
792 fgSetDouble("/sim/presets/longitude-deg", lon2 );
793 fgSetDouble("/sim/presets/latitude-deg", lat2 );
794 fgSetDouble("/sim/presets/heading-deg", heading );
796 // other code depends on the actual values being set ...
797 fgSetDouble("/position/longitude-deg", lon2 );
798 fgSetDouble("/position/latitude-deg", lat2 );
799 fgSetDouble("/orientation/heading-deg", heading );
801 SG_LOG( SG_GENERAL, SG_INFO,
802 "Position for " << id << " is ("
804 << lat2 << ") new heading is "
811 // Set current_options lon/lat given an airport id and runway number
812 static bool fgSetPosFromAirportIDandRwy( const string& id, const string& rwy ) {
816 // set initial position from airport and runway number
818 SG_LOG( SG_GENERAL, SG_INFO,
819 "Attempting to set starting position for "
820 << id << ":" << rwy );
822 if ( ! globals->get_runways()->search( id, rwy, &r ) ) {
823 SG_LOG( SG_GENERAL, SG_ALERT,
824 "Failed to find runway " << rwy <<
825 " at airport " << id );
832 double lat2, lon2, az2;
833 double heading = r._heading;
834 double azimuth = heading + 180.0;
835 while ( azimuth >= 360.0 ) { azimuth -= 360.0; }
837 SG_LOG( SG_GENERAL, SG_INFO,
838 "runway = " << r._lon << ", " << r._lat
839 << " length = " << r._length * SG_FEET_TO_METER
840 << " heading = " << azimuth );
842 geo_direct_wgs_84 ( 0, r._lat, r._lon,
844 r._length * SG_FEET_TO_METER * 0.5 - 5.0,
845 &lat2, &lon2, &az2 );
847 if ( fabs( fgGetDouble("/sim/presets/offset-distance") ) > SG_EPSILON )
850 double odist = fgGetDouble("/sim/presets/offset-distance");
851 odist *= SG_NM_TO_METER;
852 double oaz = azimuth;
853 if ( fabs(fgGetDouble("/sim/presets/offset-azimuth")) > SG_EPSILON )
855 oaz = fgGetDouble("/sim/presets/offset-azimuth") + 180;
856 heading = fgGetDouble("/sim/presets/heading-deg");
858 while ( oaz >= 360.0 ) { oaz -= 360.0; }
859 geo_direct_wgs_84 ( 0, lat2, lon2, oaz, odist, &olat, &olon, &az2 );
865 fgSetDouble("/sim/presets/longitude-deg", lon2 );
866 fgSetDouble("/sim/presets/latitude-deg", lat2 );
867 fgSetDouble("/sim/presets/heading-deg", heading );
869 // other code depends on the actual values being set ...
870 fgSetDouble("/position/longitude-deg", lon2 );
871 fgSetDouble("/position/latitude-deg", lat2 );
872 fgSetDouble("/orientation/heading-deg", heading );
874 SG_LOG( SG_GENERAL, SG_INFO,
875 "Position for " << id << " is ("
877 << lat2 << ") new heading is "
884 static void fgSetDistOrAltFromGlideSlope() {
885 // cout << "fgSetDistOrAltFromGlideSlope()" << endl;
886 string apt_id = fgGetString("/sim/presets/airport-id");
887 double gs = fgGetDouble("/sim/presets/glideslope-deg")
888 * SG_DEGREES_TO_RADIANS ;
889 double od = fgGetDouble("/sim/presets/offset-distance");
890 double alt = fgGetDouble("/sim/presets/altitude-ft");
892 double apt_elev = 0.0;
893 if ( ! apt_id.empty() ) {
894 apt_elev = fgGetAirportElev( apt_id );
895 if ( apt_elev < -9990.0 ) {
902 if( fabs(gs) > 0.01 && fabs(od) > 0.1 && alt < -9990 ) {
903 // set altitude from glideslope and offset-distance
904 od *= SG_NM_TO_METER * SG_METER_TO_FEET;
905 alt = fabs(od*tan(gs)) + apt_elev;
906 fgSetDouble("/sim/presets/altitude-ft", alt);
907 fgSetBool("/sim/presets/onground", false);
908 SG_LOG( SG_GENERAL, SG_INFO, "Calculated altitude as: "
910 } else if( fabs(gs) > 0.01 && alt > 0 && fabs(od) < 0.1) {
911 // set offset-distance from glideslope and altitude
912 od = (alt - apt_elev) / tan(gs);
913 od *= -1*SG_FEET_TO_METER * SG_METER_TO_NM;
914 fgSetDouble("/sim/presets/offset-distance", od);
915 fgSetBool("/sim/presets/onground", false);
916 SG_LOG( SG_GENERAL, SG_INFO, "Calculated offset distance as: "
918 } else if( fabs(gs) > 0.01 ) {
919 SG_LOG( SG_GENERAL, SG_ALERT,
920 "Glideslope given but not altitude or offset-distance." );
921 SG_LOG( SG_GENERAL, SG_ALERT, "Resetting glideslope to zero" );
922 fgSetDouble("/sim/presets/glideslope-deg", 0);
923 fgSetBool("/sim/presets/onground", true);
928 // Set current_options lon/lat given an airport id and heading (degrees)
929 static bool fgSetPosFromNAV( const string& id, const double& freq ) {
931 = globals->get_navlist()->findByIdentAndFreq( id.c_str(), freq );
933 // set initial position from runway and heading
935 SG_LOG( SG_GENERAL, SG_INFO, "Attempting to set starting position for "
936 << id << ":" << freq );
938 double lon = nav->get_lon();
939 double lat = nav->get_lat();
941 if ( fabs( fgGetDouble("/sim/presets/offset-distance") ) > SG_EPSILON )
943 double odist = fgGetDouble("/sim/presets/offset-distance")
945 double oaz = fabs(fgGetDouble("/sim/presets/offset-azimuth"))
947 while ( oaz >= 360.0 ) { oaz -= 360.0; }
948 double olat, olon, az2;
949 geo_direct_wgs_84 ( 0, lat, lon, oaz, odist, &olat, &olon, &az2 );
956 fgSetDouble("/sim/presets/longitude-deg", lon );
957 fgSetDouble("/sim/presets/latitude-deg", lat );
959 // other code depends on the actual values being set ...
960 fgSetDouble("/position/longitude-deg", lon );
961 fgSetDouble("/position/latitude-deg", lat );
962 fgSetDouble("/orientation/heading-deg",
963 fgGetDouble("/sim/presets/heading-deg") );
965 SG_LOG( SG_GENERAL, SG_INFO,
966 "Position for " << id << ":" << freq << " is ("
967 << lon << ", "<< lat << ")" );
971 SG_LOG( SG_GENERAL, SG_ALERT, "Failed to locate NAV = "
972 << id << ":" << freq );
977 // Set current_options lon/lat given an aircraft carrier id
978 static bool fgSetPosFromCarrier( const string& carrier, const string& posid ) {
980 // set initial position from runway and heading
984 if (FGAIManager::getStartPosition(carrier, posid, geodPos, heading, uvw)) {
985 double lon = geodPos.lon() * SGD_RADIANS_TO_DEGREES;
986 double lat = geodPos.lat() * SGD_RADIANS_TO_DEGREES;
987 double alt = geodPos.elev() * SG_METER_TO_FEET;
989 SG_LOG( SG_GENERAL, SG_INFO, "Attempting to set starting position for "
990 << carrier << " at lat = " << lat << ", lon = " << lon
991 << ", alt = " << alt << ", heading = " << heading);
993 fgSetDouble("/sim/presets/longitude-deg", lon);
994 fgSetDouble("/sim/presets/latitude-deg", lat);
995 fgSetDouble("/sim/presets/altitude-ft", alt);
996 fgSetDouble("/sim/presets/heading-deg", heading);
997 fgSetDouble("/position/longitude-deg", lon);
998 fgSetDouble("/position/latitude-deg", lat);
999 fgSetDouble("/position/altitude-ft", alt);
1000 fgSetDouble("/orientation/heading-deg", heading);
1002 fgSetString("/sim/presets/speed-set", "UVW");
1003 fgSetDouble("/velocities/uBody-fps", uvw[0]);
1004 fgSetDouble("/velocities/vBody-fps", uvw[1]);
1005 fgSetDouble("/velocities/wBody-fps", uvw[2]);
1006 fgSetDouble("/sim/presets/uBody-fps", uvw[0]);
1007 fgSetDouble("/sim/presets/vBody-fps", uvw[1]);
1008 fgSetDouble("/sim/presets/wBody-fps", uvw[2]);
1010 fgSetBool("/sim/presets/onground", true);
1014 SG_LOG( SG_GENERAL, SG_ALERT, "Failed to locate aircraft carrier = "
1020 // Set current_options lon/lat given an airport id and heading (degrees)
1021 static bool fgSetPosFromFix( const string& id ) {
1024 // set initial position from runway and heading
1025 if ( globals->get_fixlist()->query( id.c_str(), &fix ) ) {
1026 SG_LOG( SG_GENERAL, SG_INFO, "Attempting to set starting position for "
1029 double lon = fix.get_lon();
1030 double lat = fix.get_lat();
1032 if ( fabs( fgGetDouble("/sim/presets/offset-distance") ) > SG_EPSILON )
1034 double odist = fgGetDouble("/sim/presets/offset-distance")
1036 double oaz = fabs(fgGetDouble("/sim/presets/offset-azimuth"))
1038 while ( oaz >= 360.0 ) { oaz -= 360.0; }
1039 double olat, olon, az2;
1040 geo_direct_wgs_84 ( 0, lat, lon, oaz, odist, &olat, &olon, &az2 );
1047 fgSetDouble("/sim/presets/longitude-deg", lon );
1048 fgSetDouble("/sim/presets/latitude-deg", lat );
1050 // other code depends on the actual values being set ...
1051 fgSetDouble("/position/longitude-deg", lon );
1052 fgSetDouble("/position/latitude-deg", lat );
1053 fgSetDouble("/orientation/heading-deg",
1054 fgGetDouble("/sim/presets/heading-deg") );
1056 SG_LOG( SG_GENERAL, SG_INFO,
1057 "Position for " << id << " is ("
1058 << lon << ", "<< lat << ")" );
1062 SG_LOG( SG_GENERAL, SG_ALERT, "Failed to locate NAV = "
1068 static void parseWaypoints() {
1069 string_list *waypoints = globals->get_initial_waypoints();
1071 vector<string>::iterator i;
1072 for (i = waypoints->begin();
1073 i != waypoints->end();
1078 // Now were done using the way points we can deallocate the
1080 while (waypoints->begin() != waypoints->end()) {
1081 waypoints->pop_back();
1084 globals->set_initial_waypoints(0);
1093 * Initialize vor/ndb/ils/fix list management and query systems (as
1094 * well as simple airport db list)
1099 SG_LOG(SG_GENERAL, SG_INFO, "Loading Airport Database ...");
1101 SGPath aptdb( globals->get_fg_root() );
1102 aptdb.append( "Airports/apt.dat" );
1104 SGPath p_metar( globals->get_fg_root() );
1105 p_metar.append( "Airports/metar.dat" );
1107 FGAirportList *airports = new FGAirportList();
1108 globals->set_airports( airports );
1109 FGRunwayList *runways = new FGRunwayList();
1110 globals->set_runways( runways );
1112 fgAirportDBLoad( airports, runways, aptdb.str(), p_metar.str() );
1114 FGNavList *navlist = new FGNavList;
1115 FGNavList *loclist = new FGNavList;
1116 FGNavList *gslist = new FGNavList;
1117 FGNavList *dmelist = new FGNavList;
1118 FGNavList *mkrlist = new FGNavList;
1119 FGNavList *tacanlist = new FGNavList;
1120 FGNavList *carrierlist = new FGNavList;
1121 FGTACANList *channellist = new FGTACANList;
1123 globals->set_navlist( navlist );
1124 globals->set_loclist( loclist );
1125 globals->set_gslist( gslist );
1126 globals->set_dmelist( dmelist );
1127 globals->set_mkrlist( mkrlist );
1128 globals->set_tacanlist( tacanlist );
1129 globals->set_carrierlist( carrierlist );
1130 globals->set_channellist( channellist );
1132 if ( !fgNavDBInit(airports, navlist, loclist, gslist, dmelist, mkrlist, tacanlist, carrierlist, channellist) ) {
1133 SG_LOG( SG_GENERAL, SG_ALERT,
1134 "Problems loading one or more navigational database" );
1137 if ( fgGetBool("/sim/navdb/localizers/auto-align", true) ) {
1138 // align all the localizers with their corresponding runways
1139 // since data sources are good for cockpit navigation
1140 // purposes, but not always to the error tolerances needed to
1141 // exactly place these items.
1143 = fgGetDouble( "/sim/navdb/localizers/auto-align-threshold-deg",
1145 fgNavDBAlignLOCwithRunway( runways, loclist, threshold );
1148 SG_LOG(SG_GENERAL, SG_INFO, " Fixes");
1149 SGPath p_fix( globals->get_fg_root() );
1150 p_fix.append( "Navaids/fix.dat" );
1151 FGFixList *fixlist = new FGFixList;
1152 fixlist->init( p_fix );
1153 globals->set_fixlist( fixlist );
1159 // Set the initial position based on presets (or defaults)
1160 bool fgInitPosition() {
1161 // cout << "fgInitPosition()" << endl;
1162 double gs = fgGetDouble("/sim/presets/glideslope-deg")
1163 * SG_DEGREES_TO_RADIANS ;
1164 double od = fgGetDouble("/sim/presets/offset-distance");
1165 double alt = fgGetDouble("/sim/presets/altitude-ft");
1167 bool set_pos = false;
1169 // If glideslope is specified, then calculate offset-distance or
1170 // altitude relative to glide slope if either of those was not
1172 if ( fabs( gs ) > 0.01 ) {
1173 fgSetDistOrAltFromGlideSlope();
1177 // If we have an explicit, in-range lon/lat, don't change it, just use it.
1178 // If not, check for an airport-id and use that.
1179 // If not, default to the middle of the KSFO field.
1180 // The default values for lon/lat are deliberately out of range
1181 // so that the airport-id can take effect; valid lon/lat will
1182 // override airport-id, however.
1183 double lon_deg = fgGetDouble("/sim/presets/longitude-deg");
1184 double lat_deg = fgGetDouble("/sim/presets/latitude-deg");
1185 if ( lon_deg >= -180.0 && lon_deg <= 180.0
1186 && lat_deg >= -90.0 && lat_deg <= 90.0 )
1191 string apt = fgGetString("/sim/presets/airport-id");
1192 string rwy_no = fgGetString("/sim/presets/runway");
1193 double hdg = fgGetDouble("/sim/presets/heading-deg");
1194 string vor = fgGetString("/sim/presets/vor-id");
1195 double vor_freq = fgGetDouble("/sim/presets/vor-freq");
1196 string ndb = fgGetString("/sim/presets/ndb-id");
1197 double ndb_freq = fgGetDouble("/sim/presets/ndb-freq");
1198 string carrier = fgGetString("/sim/presets/carrier");
1199 string parkpos = fgGetString("/sim/presets/parkpos");
1200 string fix = fgGetString("/sim/presets/fix");
1202 fgSetDouble( "/orientation/heading-deg", hdg );
1203 fgInitTowerLocationListener();
1205 if ( !set_pos && !apt.empty() && !rwy_no.empty() ) {
1206 // An airport + runway is requested
1207 if ( fgSetPosFromAirportIDandRwy( apt, rwy_no ) ) {
1208 // set tower position (a little off the heading for single
1210 fgSetString("/sim/tower/airport-id", apt.c_str());
1215 if ( !set_pos && !apt.empty() ) {
1216 // An airport is requested (find runway closest to hdg)
1217 if ( fgSetPosFromAirportIDandHdg( apt, hdg ) ) {
1218 // set tower position (a little off the heading for single
1220 fgSetString("/sim/tower/airport-id", apt.c_str());
1225 if ( !set_pos && !vor.empty() ) {
1226 // a VOR is requested
1227 if ( fgSetPosFromNAV( vor, vor_freq ) ) {
1232 if ( !set_pos && !ndb.empty() ) {
1233 // an NDB is requested
1234 if ( fgSetPosFromNAV( ndb, ndb_freq ) ) {
1239 if ( !set_pos && !carrier.empty() ) {
1240 // an aircraft carrier is requested
1241 if ( fgSetPosFromCarrier( carrier, parkpos ) ) {
1246 if ( !set_pos && !fix.empty() ) {
1247 // a Fix is requested
1248 if ( fgSetPosFromFix( fix ) ) {
1254 // No lon/lat specified, no airport specified, default to
1255 // middle of KSFO field.
1256 fgSetDouble("/sim/presets/longitude-deg", -122.374843);
1257 fgSetDouble("/sim/presets/latitude-deg", 37.619002);
1260 fgSetDouble( "/position/longitude-deg",
1261 fgGetDouble("/sim/presets/longitude-deg") );
1262 fgSetDouble( "/position/latitude-deg",
1263 fgGetDouble("/sim/presets/latitude-deg") );
1265 // determine if this should be an on-ground or in-air start
1266 if ((fabs(gs) > 0.01 || fabs(od) > 0.1 || alt > 0.1) && carrier.empty()) {
1267 fgSetBool("/sim/presets/onground", false);
1269 fgSetBool("/sim/presets/onground", true);
1276 // General house keeping initializations
1277 bool fgInitGeneral() {
1280 #if defined(FX) && defined(XMESA)
1281 char *mesa_win_state;
1284 SG_LOG( SG_GENERAL, SG_INFO, "General Initialization" );
1285 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
1287 root = globals->get_fg_root();
1288 if ( ! root.length() ) {
1289 // No root path set? Then bail ...
1290 SG_LOG( SG_GENERAL, SG_ALERT,
1291 "Cannot continue without a path to the base package "
1292 << "being defined." );
1295 SG_LOG( SG_GENERAL, SG_INFO, "FG_ROOT = " << '"' << root << '"' << endl );
1297 #if defined(FX) && defined(XMESA)
1298 // initialize full screen flag
1299 globals->set_fullscreen(false);
1300 if ( strstr ( general.get_glRenderer(), "Glide" ) ) {
1301 // Test for the MESA_GLX_FX env variable
1302 if ( (mesa_win_state = getenv( "MESA_GLX_FX" )) != NULL) {
1303 // test if we are fullscreen mesa/glide
1304 if ( (mesa_win_state[0] == 'f') ||
1305 (mesa_win_state[0] == 'F') ) {
1306 globals->set_fullscreen(true);
1316 // Initialize the flight model subsystem. This just creates the
1317 // object. The actual fdm initialization is delayed until we get a
1318 // proper scenery elevation hit. This is checked for in main.cxx
1322 if ( cur_fdm_state ) {
1323 delete cur_fdm_state;
1327 double dt = 1.0 / fgGetInt("/sim/model-hz");
1328 string model = fgGetString("/sim/flight-model");
1331 if ( model == "larcsim" ) {
1332 cur_fdm_state = new FGLaRCsim( dt );
1333 } else if ( model == "jsb" ) {
1334 cur_fdm_state = new FGJSBsim( dt );
1336 } else if ( model == "ada" ) {
1337 cur_fdm_state = new FGADA( dt );
1338 } else if ( model == "acms" ) {
1339 cur_fdm_state = new FGACMS( dt );
1341 } else if ( model == "balloon" ) {
1342 cur_fdm_state = new FGBalloonSim( dt );
1343 } else if ( model == "magic" ) {
1344 cur_fdm_state = new FGMagicCarpet( dt );
1345 } else if ( model == "ufo" ) {
1346 cur_fdm_state = new FGUFO( dt );
1347 } else if ( model == "external" ) {
1348 // external is a synonym for "--fdm=null" and is
1349 // maintained here for backwards compatibility
1350 cur_fdm_state = new FGNullFDM( dt );
1351 } else if ( model.find("network") == 0 ) {
1352 string host = "localhost";
1356 string net_options = model.substr(8);
1357 string::size_type begin, end;
1360 end = net_options.find( ",", begin );
1361 if ( end != string::npos ) {
1362 host = net_options.substr(begin, end - begin);
1366 end = net_options.find( ",", begin );
1367 if ( end != string::npos ) {
1368 port1 = atoi( net_options.substr(begin, end - begin).c_str() );
1372 end = net_options.find( ",", begin );
1373 if ( end != string::npos ) {
1374 port2 = atoi( net_options.substr(begin, end - begin).c_str() );
1378 end = net_options.find( ",", begin );
1379 if ( end != string::npos ) {
1380 port3 = atoi( net_options.substr(begin, end - begin).c_str() );
1383 cur_fdm_state = new FGExternalNet( dt, host, port1, port2, port3 );
1384 } else if ( model.find("pipe") == 0 ) {
1385 // /* old */ string pipe_path = model.substr(5);
1386 // /* old */ cur_fdm_state = new FGExternalPipe( dt, pipe_path );
1387 string pipe_path = "";
1388 string pipe_protocol = "";
1389 string pipe_options = model.substr(5);
1390 string::size_type begin, end;
1393 end = pipe_options.find( ",", begin );
1394 if ( end != string::npos ) {
1395 pipe_path = pipe_options.substr(begin, end - begin);
1398 // protocol (last option)
1399 pipe_protocol = pipe_options.substr(begin);
1400 cur_fdm_state = new FGExternalPipe( dt, pipe_path, pipe_protocol );
1401 } else if ( model == "null" ) {
1402 cur_fdm_state = new FGNullFDM( dt );
1403 } else if ( model == "yasim" ) {
1404 cur_fdm_state = new YASim( dt );
1406 SG_LOG(SG_GENERAL, SG_ALERT,
1407 "Unrecognized flight model '" << model
1408 << "', cannot init flight dynamics model.");
1412 SG_LOG(SG_GENERAL, SG_ALERT, "FlightGear aborting\n\n");
1417 static void printMat(const sgVec4 *mat, char *name="")
1420 SG_LOG(SG_GENERAL, SG_BULK, name );
1421 for(i=0; i<4; i++) {
1422 SG_LOG(SG_GENERAL, SG_BULK, " " << mat[i][0] << " " << mat[i][1]
1423 << " " << mat[i][2] << " " << mat[i][3] );
1427 // Initialize view parameters
1429 // force update of model so that viewer can get some data...
1430 globals->get_aircraft_model()->update(0);
1431 // run update for current view so that data is current...
1432 globals->get_viewmgr()->update(0);
1434 printMat(globals->get_current_view()->get_VIEW(),"VIEW");
1435 printMat(globals->get_current_view()->get_UP(),"UP");
1436 // printMat(globals->get_current_view()->get_LOCAL(),"LOCAL");
1441 SGTime *fgInitTime() {
1443 static const SGPropertyNode *longitude
1444 = fgGetNode("/position/longitude-deg");
1445 static const SGPropertyNode *latitude
1446 = fgGetNode("/position/latitude-deg");
1447 static const SGPropertyNode *cur_time_override
1448 = fgGetNode("/sim/time/cur-time-override", true);
1450 SGPath zone( globals->get_fg_root() );
1451 zone.append( "Timezone" );
1452 SGTime *t = new SGTime( longitude->getDoubleValue()
1453 * SGD_DEGREES_TO_RADIANS,
1454 latitude->getDoubleValue()
1455 * SGD_DEGREES_TO_RADIANS,
1457 cur_time_override->getLongValue() );
1459 globals->set_warp_delta( 0 );
1461 t->update( 0.0, 0.0,
1462 cur_time_override->getLongValue(),
1463 globals->get_warp() );
1469 // set up a time offset (aka warp) if one is specified
1470 void fgInitTimeOffset() {
1471 static const SGPropertyNode *longitude
1472 = fgGetNode("/position/longitude-deg");
1473 static const SGPropertyNode *latitude
1474 = fgGetNode("/position/latitude-deg");
1475 static const SGPropertyNode *cur_time_override
1476 = fgGetNode("/sim/time/cur-time-override", true);
1478 // Handle potential user specified time offsets
1479 int orig_warp = globals->get_warp();
1480 SGTime *t = globals->get_time_params();
1481 time_t cur_time = t->get_cur_time();
1482 time_t currGMT = sgTimeGetGMT( gmtime(&cur_time) );
1483 time_t systemLocalTime = sgTimeGetGMT( localtime(&cur_time) );
1484 time_t aircraftLocalTime =
1485 sgTimeGetGMT( fgLocaltime(&cur_time, t->get_zonename() ) );
1487 // Okay, we now have several possible scenarios
1488 int offset = fgGetInt("/sim/startup/time-offset");
1489 string offset_type = fgGetString("/sim/startup/time-offset-type");
1492 if ( offset_type == "real" ) {
1494 } else if ( offset_type == "dawn" ) {
1495 warp = fgTimeSecondsUntilSunAngle( cur_time,
1496 longitude->getDoubleValue()
1497 * SGD_DEGREES_TO_RADIANS,
1498 latitude->getDoubleValue()
1499 * SGD_DEGREES_TO_RADIANS,
1501 } else if ( offset_type == "morning" ) {
1502 warp = fgTimeSecondsUntilSunAngle( cur_time,
1503 longitude->getDoubleValue()
1504 * SGD_DEGREES_TO_RADIANS,
1505 latitude->getDoubleValue()
1506 * SGD_DEGREES_TO_RADIANS,
1508 } else if ( offset_type == "noon" ) {
1509 warp = fgTimeSecondsUntilSunAngle( cur_time,
1510 longitude->getDoubleValue()
1511 * SGD_DEGREES_TO_RADIANS,
1512 latitude->getDoubleValue()
1513 * SGD_DEGREES_TO_RADIANS,
1515 } else if ( offset_type == "afternoon" ) {
1516 warp = fgTimeSecondsUntilSunAngle( cur_time,
1517 longitude->getDoubleValue()
1518 * SGD_DEGREES_TO_RADIANS,
1519 latitude->getDoubleValue()
1520 * SGD_DEGREES_TO_RADIANS,
1522 } else if ( offset_type == "dusk" ) {
1523 warp = fgTimeSecondsUntilSunAngle( cur_time,
1524 longitude->getDoubleValue()
1525 * SGD_DEGREES_TO_RADIANS,
1526 latitude->getDoubleValue()
1527 * SGD_DEGREES_TO_RADIANS,
1529 } else if ( offset_type == "evening" ) {
1530 warp = fgTimeSecondsUntilSunAngle( cur_time,
1531 longitude->getDoubleValue()
1532 * SGD_DEGREES_TO_RADIANS,
1533 latitude->getDoubleValue()
1534 * SGD_DEGREES_TO_RADIANS,
1536 } else if ( offset_type == "midnight" ) {
1537 warp = fgTimeSecondsUntilSunAngle( cur_time,
1538 longitude->getDoubleValue()
1539 * SGD_DEGREES_TO_RADIANS,
1540 latitude->getDoubleValue()
1541 * SGD_DEGREES_TO_RADIANS,
1543 } else if ( offset_type == "system-offset" ) {
1545 } else if ( offset_type == "gmt-offset" ) {
1546 warp = offset - (currGMT - systemLocalTime);
1547 } else if ( offset_type == "latitude-offset" ) {
1548 warp = offset - (aircraftLocalTime - systemLocalTime);
1549 } else if ( offset_type == "system" ) {
1550 warp = offset - cur_time;
1551 } else if ( offset_type == "gmt" ) {
1552 warp = offset - currGMT;
1553 } else if ( offset_type == "latitude" ) {
1554 warp = offset - (aircraftLocalTime - systemLocalTime) - cur_time;
1556 SG_LOG( SG_GENERAL, SG_ALERT,
1557 "FG_TIME::Unsupported offset type " << offset_type );
1560 globals->set_warp( orig_warp + warp );
1561 t->update( longitude->getDoubleValue() * SGD_DEGREES_TO_RADIANS,
1562 latitude->getDoubleValue() * SGD_DEGREES_TO_RADIANS,
1563 cur_time_override->getLongValue(),
1564 globals->get_warp() );
1566 SG_LOG( SG_GENERAL, SG_INFO, "After fgInitTimeOffset(): warp = "
1567 << globals->get_warp() );
1571 // This is the top level init routine which calls all the other
1572 // initialization routines. If you are adding a subsystem to flight
1573 // gear, its initialization call should located in this routine.
1574 // Returns non-zero if a problem encountered.
1575 bool fgInitSubsystems() {
1576 // static const SGPropertyNode *longitude
1577 // = fgGetNode("/sim/presets/longitude-deg");
1578 // static const SGPropertyNode *latitude
1579 // = fgGetNode("/sim/presets/latitude-deg");
1580 // static const SGPropertyNode *altitude
1581 // = fgGetNode("/sim/presets/altitude-ft");
1583 SG_LOG( SG_GENERAL, SG_INFO, "Initialize Subsystems");
1584 SG_LOG( SG_GENERAL, SG_INFO, "========== ==========");
1586 ////////////////////////////////////////////////////////////////////
1587 // Initialize the event manager subsystem.
1588 ////////////////////////////////////////////////////////////////////
1590 globals->get_event_mgr()->init();
1591 globals->get_event_mgr()->setRealtimeProperty(fgGetNode("/sim/time/delta-realtime-sec", true));
1593 ////////////////////////////////////////////////////////////////////
1594 // Initialize the property interpolator subsystem
1595 ////////////////////////////////////////////////////////////////////
1596 globals->add_subsystem("interpolator", new SGInterpolator);
1599 ////////////////////////////////////////////////////////////////////
1600 // Add the FlightGear property utilities.
1601 ////////////////////////////////////////////////////////////////////
1602 globals->add_subsystem("properties", new FGProperties);
1604 ////////////////////////////////////////////////////////////////////
1605 // Initialize the material property subsystem.
1606 ////////////////////////////////////////////////////////////////////
1608 SGPath mpath( globals->get_fg_root() );
1609 mpath.append( "materials.xml" );
1610 string season = fgGetString("/sim/startup/season", "summer");
1611 if ( ! globals->get_matlib()->load(globals->get_fg_root(), mpath.str(), season.c_str()) ) {
1612 SG_LOG( SG_GENERAL, SG_ALERT, "Error loading material lib!" );
1617 ////////////////////////////////////////////////////////////////////
1618 // Initialize the scenery management subsystem.
1619 ////////////////////////////////////////////////////////////////////
1621 if ( globals->get_tile_mgr()->init() ) {
1622 // Load the local scenery data
1623 double visibility_meters = fgGetDouble("/environment/visibility-m");
1625 globals->get_tile_mgr()->update( visibility_meters );
1627 SG_LOG( SG_GENERAL, SG_ALERT, "Error in Tile Manager initialization!" );
1631 // cause refresh of viewer scenery timestamps every 15 seconds...
1632 globals->get_event_mgr()->addTask( "FGTileMgr::refresh_view_timestamps()",
1633 globals->get_tile_mgr(),
1634 &FGTileMgr::refresh_view_timestamps,
1638 ////////////////////////////////////////////////////////////////////
1639 // Initialize the flight model subsystem.
1640 ////////////////////////////////////////////////////////////////////
1644 // allocates structures so must happen before any of the flight
1645 // model or control parameters are set
1646 fgAircraftInit(); // In the future this might not be the case.
1649 ////////////////////////////////////////////////////////////////////
1650 // Initialize the XML Autopilot subsystem.
1651 ////////////////////////////////////////////////////////////////////
1653 globals->add_subsystem( "xml-autopilot", new FGXMLAutopilot );
1654 globals->add_subsystem( "route-manager", new FGRouteMgr );
1657 ////////////////////////////////////////////////////////////////////
1658 // Initialize the view manager subsystem.
1659 ////////////////////////////////////////////////////////////////////
1663 ////////////////////////////////////////////////////////////////////
1664 // Create and register the logger.
1665 ////////////////////////////////////////////////////////////////////
1667 globals->add_subsystem("logger", new FGLogger);
1669 ////////////////////////////////////////////////////////////////////
1670 // Create and register the XML GUI.
1671 ////////////////////////////////////////////////////////////////////
1673 globals->add_subsystem("gui", new NewGUI, SGSubsystemMgr::INIT);
1676 ////////////////////////////////////////////////////////////////////
1677 // Initialize the local time subsystem.
1678 ////////////////////////////////////////////////////////////////////
1680 // update the current timezone each 30 minutes
1681 globals->get_event_mgr()->addTask( "fgUpdateLocalTime()",
1682 &fgUpdateLocalTime, 30*60 );
1683 fgInitTimeOffset(); // the environment subsystem needs this
1686 ////////////////////////////////////////////////////////////////////
1687 // Initialize the weather subsystem.
1688 ////////////////////////////////////////////////////////////////////
1690 // Initialize the weather modeling subsystem
1691 globals->add_subsystem("environment", new FGEnvironmentMgr);
1694 ////////////////////////////////////////////////////////////////////
1695 // Initialize the lighting subsystem.
1696 ////////////////////////////////////////////////////////////////////
1698 globals->add_subsystem("lighting", new FGLight);
1700 //////////////////////////////////////////////////////////////////////
1701 // Initialize the 2D cloud subsystem.
1702 ////////////////////////////////////////////////////////////////////
1703 fgGetBool("/sim/rendering/bump-mapping", false);
1705 #ifdef ENABLE_AUDIO_SUPPORT
1706 ////////////////////////////////////////////////////////////////////
1707 // Initialize the sound subsystem.
1708 ////////////////////////////////////////////////////////////////////
1710 init_volume = fgGetFloat("/sim/sound/volume");
1711 fgSetFloat("/sim/sound/volume", 0.0f);
1712 globals->set_soundmgr(new SGSoundMgr);
1713 globals->get_soundmgr()->init();
1714 globals->get_soundmgr()->bind();
1717 ////////////////////////////////////////////////////////////////////
1718 // Initialize the sound-effects subsystem.
1719 ////////////////////////////////////////////////////////////////////
1721 globals->add_subsystem("fx", new FGFX);
1725 ////////////////////////////////////////////////////////////////////
1726 // Initialise ATC display system
1727 ////////////////////////////////////////////////////////////////////
1729 SG_LOG(SG_GENERAL, SG_INFO, " ATC Display");
1730 globals->set_ATC_display(new FGATCDisplay);
1731 globals->get_ATC_display()->init();
1733 ////////////////////////////////////////////////////////////////////
1734 // Initialise the ATC Manager
1735 ////////////////////////////////////////////////////////////////////
1737 SG_LOG(SG_GENERAL, SG_INFO, " ATC Manager");
1738 globals->set_ATC_mgr(new FGATCMgr);
1739 globals->get_ATC_mgr()->init();
1741 ////////////////////////////////////////////////////////////////////
1742 // Initialise the AI Manager
1743 ////////////////////////////////////////////////////////////////////
1745 SG_LOG(SG_GENERAL, SG_INFO, " AI Manager");
1746 globals->set_AI_mgr(new FGAIMgr);
1747 globals->get_AI_mgr()->init();
1749 ////////////////////////////////////////////////////////////////////
1750 // Initialise the AI Model Manager
1751 ////////////////////////////////////////////////////////////////////
1752 SG_LOG(SG_GENERAL, SG_INFO, " AI Model Manager");
1753 globals->add_subsystem("ai_model", new FGAIManager);
1754 globals->add_subsystem("submodel_mgr", new FGSubmodelMgr);
1757 // It's probably a good idea to initialize the top level traffic manager
1758 // After the AI and ATC systems have been initialized properly.
1759 // AI Traffic manager
1760 globals->add_subsystem("Traffic Manager", new FGTrafficManager);
1761 FGTrafficManager *dispatcher =
1762 (FGTrafficManager*) globals->get_subsystem("Traffic Manager");
1763 SGPath path = globals->get_fg_root();
1764 path.append("/Traffic/fgtraffic.xml");
1767 //globals->get_subsystem("Traffic Manager")->init();
1769 globals->add_subsystem("instrumentation", new FGInstrumentMgr);
1770 globals->add_subsystem("systems", new FGSystemMgr);
1774 ////////////////////////////////////////////////////////////////////
1775 // Initialize the cockpit subsystem
1776 ////////////////////////////////////////////////////////////////////
1777 if( fgCockpitInit( ¤t_aircraft )) {
1778 // Cockpit initialized ok.
1780 SG_LOG( SG_GENERAL, SG_ALERT, "Error in Cockpit initialization!" );
1785 ////////////////////////////////////////////////////////////////////
1786 // Initialize the autopilot subsystem.
1787 ////////////////////////////////////////////////////////////////////
1789 // FIXME: these should go in the
1790 // GUI initialization code, not here.
1791 // fgAPAdjustInit();
1792 NewTgtAirportInit();
1796 ////////////////////////////////////////////////////////////////////
1797 // Initialize I/O subsystem.
1798 ////////////////////////////////////////////////////////////////////
1800 globals->get_io()->init();
1801 globals->get_io()->bind();
1804 ////////////////////////////////////////////////////////////////////
1805 // Add a new 2D panel.
1806 ////////////////////////////////////////////////////////////////////
1808 string panel_path = fgGetString("/sim/panel/path",
1809 "Panels/Default/default.xml");
1811 globals->set_current_panel( fgReadPanel(panel_path) );
1812 if (globals->get_current_panel() == 0) {
1813 SG_LOG( SG_INPUT, SG_ALERT,
1814 "Error reading new panel from " << panel_path );
1816 SG_LOG( SG_INPUT, SG_INFO, "Loaded new panel from " << panel_path );
1817 globals->get_current_panel()->init();
1818 globals->get_current_panel()->bind();
1822 ////////////////////////////////////////////////////////////////////
1823 // Initialize the controls subsystem.
1824 ////////////////////////////////////////////////////////////////////
1826 globals->get_controls()->init();
1827 globals->get_controls()->bind();
1830 ////////////////////////////////////////////////////////////////////
1831 // Initialize the input subsystem.
1832 ////////////////////////////////////////////////////////////////////
1834 globals->add_subsystem("input", new FGInput);
1837 ////////////////////////////////////////////////////////////////////
1838 // Initialize the replay subsystem
1839 ////////////////////////////////////////////////////////////////////
1840 globals->add_subsystem("replay", new FGReplay);
1842 ////////////////////////////////////////////////////////////////////
1843 // Bind and initialize subsystems.
1844 ////////////////////////////////////////////////////////////////////
1846 globals->get_subsystem_mgr()->bind();
1847 globals->get_subsystem_mgr()->init();
1849 #ifdef FG_MPLAYER_AS
1850 ////////////////////////////////////////////////////////////////////
1851 // Initialize multiplayer subsystem
1852 ////////////////////////////////////////////////////////////////////
1854 globals->set_multiplayer_mgr(new FGMultiplayMgr);
1855 globals->get_multiplayer_mgr()->init();
1858 ////////////////////////////////////////////////////////////////////////
1859 // Initialize the Nasal interpreter.
1860 // Do this last, so that the loaded scripts see initialized state
1861 ////////////////////////////////////////////////////////////////////////
1862 FGNasalSys* nasal = new FGNasalSys();
1863 globals->add_subsystem("nasal", nasal);
1866 ////////////////////////////////////////////////////////////////////
1867 // At this point we could try and parse the waypoint options
1868 ///////////////////////////////////////////////////////////////////
1871 // initialize methods that depend on other subsystems.
1872 globals->get_subsystem_mgr()->postinit();
1874 ////////////////////////////////////////////////////////////////////////
1875 // End of subsystem initialization.
1876 ////////////////////////////////////////////////////////////////////
1878 SG_LOG( SG_GENERAL, SG_INFO, endl);
1880 // Save the initial state for future
1882 globals->saveInitialState();
1888 void fgReInitSubsystems()
1890 // static const SGPropertyNode *longitude
1891 // = fgGetNode("/sim/presets/longitude-deg");
1892 // static const SGPropertyNode *latitude
1893 // = fgGetNode("/sim/presets/latitude-deg");
1894 static const SGPropertyNode *altitude
1895 = fgGetNode("/sim/presets/altitude-ft");
1896 static const SGPropertyNode *master_freeze
1897 = fgGetNode("/sim/freeze/master");
1899 SG_LOG( SG_GENERAL, SG_INFO,
1900 "fgReInitSubsystems(): /position/altitude = "
1901 << altitude->getDoubleValue() );
1903 bool freeze = master_freeze->getBoolValue();
1905 fgSetBool("/sim/freeze/master", true);
1907 fgSetBool("/sim/crashed", false);
1909 // Force reupdating the positions of the ai 3d models. They are used for
1910 // initializing ground level for the FDM.
1911 globals->get_subsystem("ai_model")->reinit();
1913 // Initialize the FDM
1916 // allocates structures so must happen before any of the flight
1917 // model or control parameters are set
1918 fgAircraftInit(); // In the future this might not be the case.
1920 // reload offsets from config defaults
1921 globals->get_viewmgr()->reinit();
1925 globals->get_controls()->reset_all();
1927 fgUpdateLocalTime();
1929 // re-init to proper time of day setting
1933 fgSetBool("/sim/freeze/master", false);
1935 fgSetBool("/sim/sceneryloaded",false);