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 #include <simgear/compiler.h>
32 #include <string.h> // strcmp()
34 #if defined(SG_WINDOWS)
35 # include <io.h> // isatty()
36 # include <process.h> // _getpid()
38 # define isatty _isatty
40 // for open() and options
41 # include <sys/types.h>
42 # include <sys/stat.h>
47 #include <boost/algorithm/string/compare.hpp>
48 #include <boost/algorithm/string/predicate.hpp>
50 #include <simgear/constants.h>
51 #include <simgear/debug/logstream.hxx>
52 #include <simgear/structure/exception.hxx>
53 #include <simgear/structure/event_mgr.hxx>
54 #include <simgear/structure/SGPerfMon.hxx>
55 #include <simgear/misc/sg_path.hxx>
56 #include <simgear/misc/sg_dir.hxx>
57 #include <simgear/misc/sgstream.hxx>
58 #include <simgear/misc/strutils.hxx>
59 #include <simgear/props/props_io.hxx>
61 #include <simgear/scene/material/matlib.hxx>
62 #include <simgear/scene/model/particles.hxx>
63 #include <simgear/scene/tsync/terrasync.hxx>
65 #include <Aircraft/controls.hxx>
66 #include <Aircraft/replay.hxx>
67 #include <Aircraft/FlightHistory.hxx>
68 #include <Airports/runways.hxx>
69 #include <Airports/airport.hxx>
70 #include <Airports/dynamics.hxx>
72 #include <AIModel/AIManager.hxx>
74 #include <ATCDCL/ATISmgr.hxx>
75 #include <ATC/atc_mgr.hxx>
77 #include <Autopilot/route_mgr.hxx>
78 #include <Autopilot/autopilotgroup.hxx>
80 #include <Cockpit/panel.hxx>
81 #include <Cockpit/panel_io.hxx>
83 #include <Canvas/canvas_mgr.hxx>
84 #include <Canvas/gui_mgr.hxx>
85 #include <GUI/new_gui.hxx>
86 #include <GUI/MessageBox.hxx>
87 #include <Input/input.hxx>
88 #include <Instrumentation/instrument_mgr.hxx>
89 #include <Model/acmodel.hxx>
90 #include <Model/modelmgr.hxx>
91 #include <AIModel/submodel.hxx>
92 #include <AIModel/AIManager.hxx>
93 #include <Navaids/navdb.hxx>
94 #include <Navaids/navlist.hxx>
95 #include <Scenery/scenery.hxx>
96 #include <Scenery/tilemgr.hxx>
97 #include <Scripting/NasalSys.hxx>
98 #include <Sound/voice.hxx>
99 #include <Sound/soundmanager.hxx>
100 #include <Systems/system_mgr.hxx>
101 #include <Time/light.hxx>
102 #include <Traffic/TrafficMgr.hxx>
103 #include <MultiPlayer/multiplaymgr.hxx>
104 #include <FDM/fdm_shell.hxx>
105 #include <Environment/ephemeris.hxx>
106 #include <Environment/environment_mgr.hxx>
107 #include <Viewer/renderer.hxx>
108 #include <Viewer/viewmgr.hxx>
109 #include <Navaids/NavDataCache.hxx>
110 #include <Instrumentation/HUD/HUD.hxx>
111 #include <Cockpit/cockpitDisplayManager.hxx>
112 #include <Network/HTTPClient.hxx>
113 #include <Network/fgcom.hxx>
115 #include "fg_init.hxx"
117 #include "fg_commands.hxx"
118 #include "fg_props.hxx"
119 #include "FGInterpolator.hxx"
120 #include "options.hxx"
121 #include "globals.hxx"
122 #include "logger.hxx"
124 #include "positioninit.hxx"
126 #include "AircraftDirVisitorBase.hxx"
129 #include <GUI/CocoaHelpers.h> // for Mac impl of platformDefaultDataPath()
136 using namespace boost::algorithm;
139 // Return the current base package version
140 string fgBasePackageVersion() {
141 SGPath base_path( globals->get_fg_root() );
142 base_path.append("version");
143 if (!base_path.exists()) {
147 sg_gzifstream in( base_path.str() );
158 class FindAndCacheAircraft : public AircraftDirVistorBase
161 FindAndCacheAircraft(SGPropertyNode* autoSave)
163 _cache = autoSave->getNode("sim/startup/path-cache", true);
168 std::string aircraft = fgGetString( "/sim/aircraft", "");
169 if (aircraft.empty()) {
170 flightgear::fatalMessageBox("No aircraft", "No aircraft was specified");
171 SG_LOG(SG_GENERAL, SG_ALERT, "no aircraft specified");
175 _searchAircraft = aircraft + "-set.xml";
176 std::string aircraftDir = fgGetString("/sim/aircraft-dir", "");
177 if (!aircraftDir.empty()) {
178 // aircraft-dir was set, skip any searching at all, if it's valid
179 simgear::Dir acPath(aircraftDir);
180 SGPath setFile = acPath.file(_searchAircraft);
181 if (setFile.exists()) {
182 SG_LOG(SG_GENERAL, SG_INFO, "found aircraft in dir: " << aircraftDir );
185 readProperties(setFile.str(), globals->get_props());
186 } catch ( const sg_exception &e ) {
187 SG_LOG(SG_INPUT, SG_ALERT, "Error reading aircraft: " << e.getFormattedMessage());
188 flightgear::fatalMessageBox("Error reading aircraft",
189 "An error occured reading the requested aircraft (" + aircraft + ")",
190 e.getFormattedMessage());
196 SG_LOG(SG_GENERAL, SG_ALERT, "aircraft '" << _searchAircraft <<
197 "' not found in specified dir:" << aircraftDir);
198 flightgear::fatalMessageBox("Aircraft not found",
199 "The requested aircraft '" + aircraft + "' could not be found in the specified location.",
206 // prepare cache for re-scan
207 SGPropertyNode *n = _cache->getNode("fg-root", true);
208 n->setStringValue(globals->get_fg_root().c_str());
209 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
210 n = _cache->getNode("fg-aircraft", true);
211 n->setStringValue(getAircraftPaths().c_str());
212 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
213 _cache->removeChildren("aircraft");
215 visitAircraftPaths();
218 if (_foundPath.str().empty()) {
219 SG_LOG(SG_GENERAL, SG_ALERT, "Cannot find specified aircraft: " << aircraft );
220 flightgear::fatalMessageBox("Aircraft not found",
221 "The requested aircraft '" + aircraft + "' could not be found in any of the search paths");
226 SG_LOG(SG_GENERAL, SG_INFO, "Loading aircraft -set file from:" << _foundPath.str());
227 fgSetString( "/sim/aircraft-dir", _foundPath.dir().c_str());
228 if (!_foundPath.exists()) {
229 SG_LOG(SG_GENERAL, SG_ALERT, "Unable to find -set file:" << _foundPath.str());
234 readProperties(_foundPath.str(), globals->get_props());
235 } catch ( const sg_exception &e ) {
236 SG_LOG(SG_INPUT, SG_ALERT, "Error reading aircraft: " << e.getFormattedMessage());
237 flightgear::fatalMessageBox("Error reading aircraft",
238 "An error occured reading the requested aircraft (" + aircraft + ")",
239 e.getFormattedMessage());
247 SGPath getAircraftPaths() {
248 string_list pathList = globals->get_aircraft_paths();
249 SGPath aircraftPaths;
250 string_list::const_iterator it = pathList.begin();
251 if (it != pathList.end()) {
252 aircraftPaths.set(*it);
255 for (; it != pathList.end(); ++it) {
256 aircraftPaths.add(*it);
258 return aircraftPaths;
263 if (globals->get_fg_root() != _cache->getStringValue("fg-root", "")) {
264 return false; // cache mismatch
267 if (getAircraftPaths().str() != _cache->getStringValue("fg-aircraft", "")) {
268 return false; // cache mismatch
271 vector<SGPropertyNode_ptr> cache = _cache->getChildren("aircraft");
272 for (unsigned int i = 0; i < cache.size(); i++) {
273 const char *name = cache[i]->getStringValue("file", "");
274 if (!boost::equals(_searchAircraft, name, is_iequal())) {
278 SGPath xml(cache[i]->getStringValue("path", ""));
286 } // of aircraft in cache iteration
291 virtual VisitResult visit(const SGPath& p)
296 if (!_cache->getChild("aircraft", i++, false))
300 SGPropertyNode *n, *entry = _cache->getChild("aircraft", --i, true);
302 std::string fileName(p.file());
303 n = entry->getNode("file", true);
304 n->setStringValue(fileName);
305 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
307 n = entry->getNode("path", true);
308 n->setStringValue(p.dir());
309 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
311 if ( boost::equals(fileName, _searchAircraft.c_str(), is_iequal()) ) {
316 return VISIT_CONTINUE;
319 std::string _searchAircraft;
321 SGPropertyNode* _cache;
325 static SGPath platformDefaultDataPath()
327 char *envp = ::getenv( "APPDATA" );
328 SGPath config( envp );
329 config.append( "flightgear.org" );
333 #elif defined(SG_MAC)
335 // platformDefaultDataPath defined in GUI/CocoaHelpers.h
338 static SGPath platformDefaultDataPath()
340 return SGPath::home() / ".fgfs";
346 SGPath dataPath = SGPath::fromEnv("FG_HOME", platformDefaultDataPath());
347 globals->set_fg_home(dataPath.c_str());
349 simgear::Dir fgHome(dataPath);
350 if (!fgHome.exists()) {
354 if (!fgHome.exists()) {
355 flightgear::fatalMessageBox("Problem setting up user data",
356 "Unable to create the user-data storage folder at: '"
357 + dataPath.str() + "'");
361 if (fgGetBool("/sim/fghome-readonly", false)) {
362 // user / config forced us into readonly mode, fine
363 SG_LOG(SG_GENERAL, SG_INFO, "Running with FG_HOME readonly");
367 // write our PID, and check writeability
368 SGPath pidPath(dataPath, "fgfs.pid");
369 if (pidPath.exists()) {
370 SG_LOG(SG_GENERAL, SG_INFO, "flightgear instance already running, switching to FG_HOME read-only.");
371 // set a marker property so terrasync/navcache don't try to write
372 // from secondary instances
373 fgSetBool("/sim/fghome-readonly", true);
379 #if defined(SG_WINDOWS)
380 size_t len = snprintf(buf, 16, "%d", _getpid());
382 HANDLE f = CreateFileA(pidPath.c_str(), GENERIC_READ | GENERIC_WRITE,
383 FILE_SHARE_READ, /* sharing */
384 NULL, /* security attributes */
385 CREATE_NEW, /* error if already exists */
386 FILE_FLAG_DELETE_ON_CLOSE,
387 NULL /* template */);
389 result = (f != INVALID_HANDLE_VALUE);
392 WriteFile(f, buf, len, &written, NULL /* overlapped */);
395 // POSIX, do open+unlink trick to the file is deleted on exit, even if we
397 size_t len = snprintf(buf, 16, "%d", getpid());
398 int fd = ::open(pidPath.c_str(), O_WRONLY | O_CREAT | O_TRUNC | O_EXCL, 0644);
400 ::write(fd, buf, len);
401 ::unlink(pidPath.c_str()); // delete file when app quits
405 fgSetBool("/sim/fghome-readonly", false);
408 flightgear::fatalMessageBox("File permissions problem",
409 "Can't write to user-data storage folder, check file permissions and FG_HOME.",
410 "User-data at:" + dataPath.str());
415 // Read in configuration (file and command line)
416 int fgInitConfig ( int argc, char **argv )
418 SGPath dataPath = globals->get_fg_home();
420 simgear::Dir exportDir(simgear::Dir(dataPath).file("Export"));
421 if (!exportDir.exists()) {
422 exportDir.create(0777);
425 // Set /sim/fg-home and don't allow malign code to override it until
426 // Nasal security is set up. Use FG_HOME if necessary.
427 SGPropertyNode *home = fgGetNode("/sim", true);
428 home->removeChild("fg-home", 0, false);
429 home = home->getChild("fg-home", 0, true);
430 home->setStringValue(dataPath.c_str());
431 home->setAttribute(SGPropertyNode::WRITE, false);
434 flightgear::Options* options = flightgear::Options::sharedInstance();
435 options->init(argc, argv, dataPath);
436 bool loadDefaults = flightgear::Options::sharedInstance()->shouldLoadDefaultConfig();
438 // Read global preferences from $FG_ROOT/preferences.xml
439 SG_LOG(SG_INPUT, SG_INFO, "Reading global preferences");
440 fgLoadProps("preferences.xml", globals->get_props());
441 SG_LOG(SG_INPUT, SG_INFO, "Finished Reading global preferences");
443 // do not load user settings when reset to default is requested, or if
444 // told to explicitly ignore
445 if (options->isOptionSet("restore-defaults") || options->isOptionSet("ignore-autosave"))
447 SG_LOG(SG_ALL, SG_ALERT, "Ignoring user settings. Restoring defaults.");
451 globals->loadUserSettings(dataPath);
454 SG_LOG(SG_GENERAL, SG_INFO, "not reading default configuration files");
455 }// of no-default-config selected
457 // Scan user config files and command line for a specified aircraft.
458 options->initAircraft();
460 FindAndCacheAircraft f(globals->get_props());
461 if (!f.loadAircraft()) {
462 return flightgear::FG_OPTIONS_ERROR;
465 // parse options after loading aircraft to ensure any user
466 // overrides of defaults are honored.
467 return options->processOptions();
473 * Initialize vor/ndb/ils/fix list management and query systems (as
474 * well as simple airport db list)
475 * This is called multiple times in the case of a cache rebuild,
476 * to allow lengthy caching to take place in the background, without
477 * blocking the main/UI thread.
482 flightgear::NavDataCache* cache = flightgear::NavDataCache::instance();
483 static bool doingRebuild = false;
484 if (doingRebuild || cache->isRebuildRequired()) {
486 bool finished = cache->rebuild();
488 // sleep to give the rebuild thread more time
489 SGTimeStamp::sleepForMSec(50);
494 FGTACANList *channellist = new FGTACANList;
495 globals->set_channellist( channellist );
497 SGPath path(globals->get_fg_root());
498 path.append( "Navaids/TACAN_freq.dat" );
499 flightgear::loadTacan(path, channellist);
504 // General house keeping initializations
505 bool fgInitGeneral() {
508 SG_LOG( SG_GENERAL, SG_INFO, "General Initialization" );
509 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
511 root = globals->get_fg_root();
512 if ( ! root.length() ) {
513 // No root path set? Then bail ...
514 SG_LOG( SG_GENERAL, SG_ALERT,
515 "Cannot continue without a path to the base package "
516 << "being defined." );
519 SG_LOG( SG_GENERAL, SG_INFO, "FG_ROOT = " << '"' << root << '"' << endl );
521 // Note: browser command is hard-coded for Mac/Windows, so this only affects other platforms
522 globals->set_browser(fgGetString("/sim/startup/browser-app", WEB_BROWSER));
523 fgSetString("/sim/startup/browser-app", globals->get_browser());
525 simgear::Dir cwd(simgear::Dir::current());
526 SGPropertyNode *curr = fgGetNode("/sim", true);
527 curr->removeChild("fg-current", 0, false);
528 curr = curr->getChild("fg-current", 0, true);
529 curr->setStringValue(cwd.path().str());
530 curr->setAttribute(SGPropertyNode::WRITE, false);
532 fgSetBool("/sim/startup/stdout-to-terminal", isatty(1) != 0 );
533 fgSetBool("/sim/startup/stderr-to-terminal", isatty(2) != 0 );
537 // Write various configuraton values out to the logs
538 void fgOutputSettings()
540 SG_LOG( SG_GENERAL, SG_INFO, "Configuration State" );
541 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
543 SG_LOG( SG_GENERAL, SG_INFO, "aircraft-dir = " << '"' << fgGetString("/sim/aircraft-dir") << '"' );
544 SG_LOG( SG_GENERAL, SG_INFO, "fghome-dir = " << '"' << globals->get_fg_home() << '"');
545 SG_LOG( SG_GENERAL, SG_INFO, "aircraft-dir = " << '"' << fgGetString("/sim/aircraft-dir") << '"');
547 SG_LOG( SG_GENERAL, SG_INFO, "aircraft-search-paths = \n\t" << simgear::strutils::join(globals->get_aircraft_paths(), "\n\t") );
548 SG_LOG( SG_GENERAL, SG_INFO, "scenery-search-paths = \n\t" << simgear::strutils::join(globals->get_fg_scenery(), "\n\t") );
551 // This is the top level init routine which calls all the other
552 // initialization routines. If you are adding a subsystem to flight
553 // gear, its initialization call should located in this routine.
554 // Returns non-zero if a problem encountered.
555 void fgCreateSubsystems() {
557 SG_LOG( SG_GENERAL, SG_INFO, "Creating Subsystems");
558 SG_LOG( SG_GENERAL, SG_INFO, "========== ==========");
560 ////////////////////////////////////////////////////////////////////
561 // Initialize the sound subsystem.
562 ////////////////////////////////////////////////////////////////////
563 // Sound manager uses an own subsystem group "SOUND" which is the last
564 // to be updated in every loop.
565 // Sound manager is updated last so it can use the CPU while the GPU
566 // is processing the scenery (doubled the frame-rate for me) -EMH-
567 globals->add_subsystem("sound", new FGSoundManager, SGSubsystemMgr::SOUND);
569 ////////////////////////////////////////////////////////////////////
570 // Initialize the event manager subsystem.
571 ////////////////////////////////////////////////////////////////////
573 globals->get_event_mgr()->init();
574 globals->get_event_mgr()->setRealtimeProperty(fgGetNode("/sim/time/delta-realtime-sec", true));
576 ////////////////////////////////////////////////////////////////////
577 // Initialize the property interpolator subsystem. Put into the INIT
578 // group because the "nasal" subsystem may need it at GENERAL take-down.
579 ////////////////////////////////////////////////////////////////////
580 FGInterpolator* interp = new FGInterpolator;
581 interp->setRealtimeProperty(fgGetNode("/sim/time/delta-realtime-sec", true));
582 globals->add_subsystem("prop-interpolator", interp, SGSubsystemMgr::INIT);
583 SGPropertyNode::setInterpolationMgr(interp);
585 ////////////////////////////////////////////////////////////////////
586 // Add the FlightGear property utilities.
587 ////////////////////////////////////////////////////////////////////
588 globals->add_subsystem("properties", new FGProperties);
591 ////////////////////////////////////////////////////////////////////
592 // Add the performance monitoring system.
593 ////////////////////////////////////////////////////////////////////
594 globals->add_subsystem("performance-mon",
595 new SGPerformanceMonitor(globals->get_subsystem_mgr(),
596 fgGetNode("/sim/performance-monitor", true)));
598 ////////////////////////////////////////////////////////////////////
599 // Initialize the material property subsystem.
600 ////////////////////////////////////////////////////////////////////
602 SGPath mpath( globals->get_fg_root() );
603 mpath.append( fgGetString("/sim/rendering/materials-file") );
604 if ( ! globals->get_matlib()->load(globals->get_fg_root(), mpath.str(),
605 globals->get_props()) ) {
606 throw sg_io_exception("Error loading materials file", mpath);
609 globals->add_subsystem( "http", new FGHTTPClient );
611 ////////////////////////////////////////////////////////////////////
612 // Initialize the scenery management subsystem.
613 ////////////////////////////////////////////////////////////////////
615 globals->get_scenery()->get_scene_graph()
616 ->addChild(simgear::Particles::getCommonRoot());
617 simgear::GlobalParticleCallback::setSwitch(fgGetNode("/sim/rendering/particles", true));
619 ////////////////////////////////////////////////////////////////////
620 // Initialize the flight model subsystem.
621 ////////////////////////////////////////////////////////////////////
623 globals->add_subsystem("flight", new FDMShell, SGSubsystemMgr::FDM);
625 ////////////////////////////////////////////////////////////////////
626 // Initialize the weather subsystem.
627 ////////////////////////////////////////////////////////////////////
629 // Initialize the weather modeling subsystem
630 globals->add_subsystem("environment", new FGEnvironmentMgr);
631 globals->add_subsystem("ephemeris", new Ephemeris);
633 ////////////////////////////////////////////////////////////////////
634 // Initialize the aircraft systems and instrumentation (before the
636 ////////////////////////////////////////////////////////////////////
638 globals->add_subsystem("systems", new FGSystemMgr, SGSubsystemMgr::FDM);
639 globals->add_subsystem("instrumentation", new FGInstrumentMgr, SGSubsystemMgr::FDM);
640 globals->add_subsystem("hud", new HUD, SGSubsystemMgr::DISPLAY);
641 globals->add_subsystem("cockpit-displays", new flightgear::CockpitDisplayManager, SGSubsystemMgr::DISPLAY);
643 ////////////////////////////////////////////////////////////////////
644 // Initialize the XML Autopilot subsystem.
645 ////////////////////////////////////////////////////////////////////
647 globals->add_subsystem( "xml-autopilot", FGXMLAutopilotGroup::createInstance("autopilot"), SGSubsystemMgr::FDM );
648 globals->add_subsystem( "xml-proprules", FGXMLAutopilotGroup::createInstance("property-rule"), SGSubsystemMgr::GENERAL );
649 globals->add_subsystem( "route-manager", new FGRouteMgr );
651 ////////////////////////////////////////////////////////////////////
652 // Initialize the Input-Output subsystem
653 ////////////////////////////////////////////////////////////////////
654 globals->add_subsystem( "io", new FGIO );
656 ////////////////////////////////////////////////////////////////////
657 // Create and register the logger.
658 ////////////////////////////////////////////////////////////////////
660 globals->add_subsystem("logger", new FGLogger);
662 ////////////////////////////////////////////////////////////////////
663 // Create and register the XML GUI.
664 ////////////////////////////////////////////////////////////////////
666 globals->add_subsystem("gui", new NewGUI, SGSubsystemMgr::INIT);
668 //////////////////////////////////////////////////////////////////////
669 // Initialize the 2D cloud subsystem.
670 ////////////////////////////////////////////////////////////////////
671 fgGetBool("/sim/rendering/bump-mapping", false);
673 ////////////////////////////////////////////////////////////////////
674 // Initialize the canvas 2d drawing subsystem.
675 ////////////////////////////////////////////////////////////////////
676 globals->add_subsystem("Canvas", new CanvasMgr, SGSubsystemMgr::DISPLAY);
677 globals->add_subsystem("CanvasGUI", new GUIMgr, SGSubsystemMgr::DISPLAY);
679 ////////////////////////////////////////////////////////////////////
680 // Initialise the ATIS Manager
681 // Note that this is old stuff, but is necessary for the
682 // current ATIS implementation. Therefore, leave it in here
683 // until the ATIS system is ported over to make use of the ATIS
684 // sub system infrastructure.
685 ////////////////////////////////////////////////////////////////////
687 globals->add_subsystem("ATIS", new FGATISMgr, SGSubsystemMgr::INIT, 0.4);
689 ////////////////////////////////////////////////////////////////////
690 // Initialize the ATC subsystem
691 ////////////////////////////////////////////////////////////////////
692 globals->add_subsystem("ATC", new FGATCManager, SGSubsystemMgr::POST_FDM);
694 ////////////////////////////////////////////////////////////////////
695 // Initialize multiplayer subsystem
696 ////////////////////////////////////////////////////////////////////
698 globals->add_subsystem("mp", new FGMultiplayMgr, SGSubsystemMgr::POST_FDM);
700 ////////////////////////////////////////////////////////////////////
701 // Initialise the AI Model Manager
702 ////////////////////////////////////////////////////////////////////
703 SG_LOG(SG_GENERAL, SG_INFO, " AI Model Manager");
704 globals->add_subsystem("ai-model", new FGAIManager, SGSubsystemMgr::POST_FDM);
705 globals->add_subsystem("submodel-mgr", new FGSubmodelMgr, SGSubsystemMgr::POST_FDM);
708 // It's probably a good idea to initialize the top level traffic manager
709 // After the AI and ATC systems have been initialized properly.
710 // AI Traffic manager
711 globals->add_subsystem("traffic-manager", new FGTrafficManager, SGSubsystemMgr::POST_FDM);
713 ////////////////////////////////////////////////////////////////////
714 // Add a new 2D panel.
715 ////////////////////////////////////////////////////////////////////
717 fgSetArchivable("/sim/panel/visibility");
718 fgSetArchivable("/sim/panel/x-offset");
719 fgSetArchivable("/sim/panel/y-offset");
720 fgSetArchivable("/sim/panel/jitter");
722 ////////////////////////////////////////////////////////////////////
723 // Initialize the controls subsystem.
724 ////////////////////////////////////////////////////////////////////
726 globals->add_subsystem("controls", new FGControls, SGSubsystemMgr::GENERAL);
728 ////////////////////////////////////////////////////////////////////
729 // Initialize the input subsystem.
730 ////////////////////////////////////////////////////////////////////
732 globals->add_subsystem("input", new FGInput, SGSubsystemMgr::GENERAL);
735 ////////////////////////////////////////////////////////////////////
736 // Initialize the replay subsystem
737 ////////////////////////////////////////////////////////////////////
738 globals->add_subsystem("replay", new FGReplay);
739 globals->add_subsystem("history", new FGFlightHistory);
741 #ifdef ENABLE_AUDIO_SUPPORT
742 ////////////////////////////////////////////////////////////////////
743 // Initialize the sound-effects subsystem.
744 ////////////////////////////////////////////////////////////////////
745 globals->add_subsystem("voice", new FGVoiceMgr, SGSubsystemMgr::DISPLAY);
749 ////////////////////////////////////////////////////////////////////
750 // Initialize the FGCom subsystem.
751 ////////////////////////////////////////////////////////////////////
752 globals->add_subsystem("fgcom", new FGCom);
755 ////////////////////////////////////////////////////////////////////
756 // Initialize the lighting subsystem.
757 ////////////////////////////////////////////////////////////////////
759 globals->add_subsystem("lighting", new FGLight, SGSubsystemMgr::DISPLAY);
761 // ordering here is important : Nasal (via events), then models, then views
762 globals->add_subsystem("events", globals->get_event_mgr(), SGSubsystemMgr::DISPLAY);
764 globals->add_subsystem("aircraft-model", new FGAircraftModel, SGSubsystemMgr::DISPLAY);
765 globals->add_subsystem("model-manager", new FGModelMgr, SGSubsystemMgr::DISPLAY);
767 globals->add_subsystem("view-manager", new FGViewMgr, SGSubsystemMgr::DISPLAY);
769 globals->add_subsystem("tile-manager", globals->get_tile_mgr(),
770 SGSubsystemMgr::DISPLAY);
773 void fgPostInitSubsystems()
778 ////////////////////////////////////////////////////////////////////////
779 // Initialize the Nasal interpreter.
780 // Do this last, so that the loaded scripts see initialized state
781 ////////////////////////////////////////////////////////////////////////
782 FGNasalSys* nasal = new FGNasalSys();
783 globals->add_subsystem("nasal", nasal, SGSubsystemMgr::INIT);
785 SG_LOG(SG_GENERAL, SG_INFO, "Nasal init took:" << st.elapsedMSec());
787 // Ensure IOrules and path validation are working properly by trying to
788 // access a folder/file which should never be accessible.
789 const char* no_access_path =
795 if( fgValidatePath(no_access_path, true) )
800 "Check your IOrules! (write to '" << no_access_path << "' is allowed)"
802 if( fgValidatePath(no_access_path, false) )
807 "Check your IOrules! (read from '" << no_access_path << "' is allowed)"
810 // initialize methods that depend on other subsystems.
812 globals->get_subsystem_mgr()->postinit();
813 SG_LOG(SG_GENERAL, SG_INFO, "Subsystems postinit took:" << st.elapsedMSec());
815 ////////////////////////////////////////////////////////////////////////
816 // End of subsystem initialization.
817 ////////////////////////////////////////////////////////////////////
819 fgSetBool("/sim/crashed", false);
820 fgSetBool("/sim/initialized", true);
822 SG_LOG( SG_GENERAL, SG_INFO, endl);
824 // Save the initial state for future
826 globals->saveInitialState();
829 // Reset: this is what the 'reset' command (and hence, GUI) is attached to
830 void fgReInitSubsystems()
832 SGPropertyNode *master_freeze = fgGetNode("/sim/freeze/master");
834 SG_LOG( SG_GENERAL, SG_INFO, "fgReInitSubsystems()");
836 // setup state to begin re-init
837 bool freeze = master_freeze->getBoolValue();
839 master_freeze->setBoolValue(true);
842 fgSetBool("/sim/signals/reinit", true);
843 fgSetBool("/sim/crashed", false);
845 // do actual re-init steps
846 globals->get_subsystem("flight")->unbind();
848 // reset control state, before restoring initial state; -set or config files
849 // may specify values for flaps, trim tabs, magnetos, etc
850 globals->get_controls()->reset_all();
852 globals->restoreInitialState();
854 // update our position based on current presets
855 // this will mark position as needed finalized which we'll do in the
857 flightgear::initPosition();
859 simgear::SGTerraSync* terraSync =
860 static_cast<simgear::SGTerraSync*>(globals->get_subsystem("terrasync"));
862 terraSync->reposition();
865 // Force reupdating the positions of the ai 3d models. They are used for
866 // initializing ground level for the FDM.
867 globals->get_subsystem("ai-model")->reinit();
869 // Initialize the FDM
870 globals->get_subsystem("flight")->reinit();
872 // reset replay buffers
873 globals->get_subsystem("replay")->reinit();
875 // reload offsets from config defaults
876 globals->get_viewmgr()->reinit();
878 // ugly: finalizePosition waits for METAR to arrive for the new airport.
879 // we don't re-init the environment manager here, since historically we did
880 // not, and doing so seems to have other issues. All that's needed is to
881 // schedule METAR fetch immediately, so it's available for finalizePosition.
882 // So we manually extract the METAR-fetching component inside the environment
883 // manager, and re-init that.
884 SGSubsystemGroup* envMgr = static_cast<SGSubsystemGroup*>(globals->get_subsystem("environment"));
886 envMgr->get_subsystem("realwx")->reinit();
889 globals->get_subsystem("time")->reinit();
891 // need to bind FDMshell again, since we manually unbound it above...
892 globals->get_subsystem("flight")->bind();
894 // need to reset aircraft (systems/instruments) so they can adapt to current environment
895 globals->get_subsystem("systems")->reinit();
896 globals->get_subsystem("instrumentation")->reinit();
898 globals->get_subsystem("ATIS")->reinit();
900 // setup state to end re-init
901 fgSetBool("/sim/signals/reinit", false);
903 master_freeze->setBoolValue(false);
905 fgSetBool("/sim/sceneryloaded",false);