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>
48 #include <boost/algorithm/string/compare.hpp>
49 #include <boost/algorithm/string/predicate.hpp>
51 #include <osgViewer/Viewer>
53 #include <simgear/canvas/Canvas.hxx>
54 #include <simgear/constants.h>
55 #include <simgear/debug/logstream.hxx>
56 #include <simgear/structure/exception.hxx>
57 #include <simgear/structure/event_mgr.hxx>
58 #include <simgear/structure/SGPerfMon.hxx>
59 #include <simgear/misc/sg_path.hxx>
60 #include <simgear/misc/sg_dir.hxx>
61 #include <simgear/misc/sgstream.hxx>
62 #include <simgear/misc/strutils.hxx>
63 #include <simgear/props/props_io.hxx>
64 #include <simgear/scene/tsync/terrasync.hxx>
66 #include <simgear/scene/model/modellib.hxx>
67 #include <simgear/scene/material/matlib.hxx>
68 #include <simgear/scene/material/Effect.hxx>
69 #include <simgear/scene/model/particles.hxx>
70 #include <simgear/scene/tsync/terrasync.hxx>
72 #include <Aircraft/controls.hxx>
73 #include <Aircraft/replay.hxx>
74 #include <Aircraft/FlightHistory.hxx>
75 #include <Airports/runways.hxx>
76 #include <Airports/airport.hxx>
77 #include <Airports/dynamics.hxx>
79 #include <AIModel/AIManager.hxx>
81 #include <ATCDCL/ATISmgr.hxx>
82 #include <ATC/atc_mgr.hxx>
84 #include <Autopilot/route_mgr.hxx>
85 #include <Autopilot/autopilotgroup.hxx>
87 #include <Cockpit/panel.hxx>
88 #include <Cockpit/panel_io.hxx>
90 #include <Canvas/canvas_mgr.hxx>
91 #include <Canvas/gui_mgr.hxx>
92 #include <Canvas/FGCanvasSystemAdapter.hxx>
93 #include <GUI/new_gui.hxx>
94 #include <GUI/MessageBox.hxx>
95 #include <Input/input.hxx>
96 #include <Instrumentation/instrument_mgr.hxx>
97 #include <Model/acmodel.hxx>
98 #include <Model/modelmgr.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/voice.hxx>
107 #include <Sound/soundmanager.hxx>
108 #include <Systems/system_mgr.hxx>
109 #include <Time/light.hxx>
110 #include <Time/TimeManager.hxx>
112 #include <Traffic/TrafficMgr.hxx>
113 #include <MultiPlayer/multiplaymgr.hxx>
114 #include <FDM/fdm_shell.hxx>
115 #include <Environment/ephemeris.hxx>
116 #include <Environment/environment_mgr.hxx>
117 #include <Viewer/renderer.hxx>
118 #include <Viewer/viewmgr.hxx>
119 #include <Viewer/FGEventHandler.hxx>
120 #include <Navaids/NavDataCache.hxx>
121 #include <Instrumentation/HUD/HUD.hxx>
122 #include <Cockpit/cockpitDisplayManager.hxx>
123 #include <Network/HTTPClient.hxx>
124 #include <Network/fgcom.hxx>
126 #include <Viewer/CameraGroup.hxx>
128 #include "fg_init.hxx"
130 #include "fg_commands.hxx"
131 #include "fg_props.hxx"
132 #include "FGInterpolator.hxx"
133 #include "options.hxx"
134 #include "globals.hxx"
135 #include "logger.hxx"
137 #include "positioninit.hxx"
139 #include "AircraftDirVisitorBase.hxx"
142 #include <GUI/CocoaHelpers.h> // for Mac impl of platformDefaultDataPath()
145 //#define NEW_RESET 1
151 using namespace boost::algorithm;
153 extern osg::ref_ptr<osgViewer::Viewer> viewer;
155 // Return the current base package version
156 string fgBasePackageVersion() {
157 SGPath base_path( globals->get_fg_root() );
158 base_path.append("version");
159 if (!base_path.exists()) {
163 sg_gzifstream in( base_path.str() );
174 class FindAndCacheAircraft : public AircraftDirVistorBase
177 FindAndCacheAircraft(SGPropertyNode* autoSave)
179 _cache = autoSave->getNode("sim/startup/path-cache", true);
184 std::string aircraft = fgGetString( "/sim/aircraft", "");
185 if (aircraft.empty()) {
186 flightgear::fatalMessageBox("No aircraft", "No aircraft was specified");
187 SG_LOG(SG_GENERAL, SG_ALERT, "no aircraft specified");
191 _searchAircraft = aircraft + "-set.xml";
192 std::string aircraftDir = fgGetString("/sim/aircraft-dir", "");
193 if (!aircraftDir.empty()) {
194 // aircraft-dir was set, skip any searching at all, if it's valid
195 simgear::Dir acPath(aircraftDir);
196 SGPath setFile = acPath.file(_searchAircraft);
197 if (setFile.exists()) {
198 SG_LOG(SG_GENERAL, SG_INFO, "found aircraft in dir: " << aircraftDir );
201 readProperties(setFile.str(), globals->get_props());
202 } catch ( const sg_exception &e ) {
203 SG_LOG(SG_INPUT, SG_ALERT, "Error reading aircraft: " << e.getFormattedMessage());
204 flightgear::fatalMessageBox("Error reading aircraft",
205 "An error occured reading the requested aircraft (" + aircraft + ")",
206 e.getFormattedMessage());
212 SG_LOG(SG_GENERAL, SG_ALERT, "aircraft '" << _searchAircraft <<
213 "' not found in specified dir:" << aircraftDir);
214 flightgear::fatalMessageBox("Aircraft not found",
215 "The requested aircraft '" + aircraft + "' could not be found in the specified location.",
222 // prepare cache for re-scan
223 SGPropertyNode *n = _cache->getNode("fg-root", true);
224 n->setStringValue(globals->get_fg_root().c_str());
225 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
226 n = _cache->getNode("fg-aircraft", true);
227 n->setStringValue(getAircraftPaths().c_str());
228 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
229 _cache->removeChildren("aircraft");
231 visitAircraftPaths();
234 if (_foundPath.str().empty()) {
235 SG_LOG(SG_GENERAL, SG_ALERT, "Cannot find specified aircraft: " << aircraft );
236 flightgear::fatalMessageBox("Aircraft not found",
237 "The requested aircraft '" + aircraft + "' could not be found in any of the search paths");
242 SG_LOG(SG_GENERAL, SG_INFO, "Loading aircraft -set file from:" << _foundPath.str());
243 fgSetString( "/sim/aircraft-dir", _foundPath.dir().c_str());
244 if (!_foundPath.exists()) {
245 SG_LOG(SG_GENERAL, SG_ALERT, "Unable to find -set file:" << _foundPath.str());
250 readProperties(_foundPath.str(), globals->get_props());
251 } catch ( const sg_exception &e ) {
252 SG_LOG(SG_INPUT, SG_ALERT, "Error reading aircraft: " << e.getFormattedMessage());
253 flightgear::fatalMessageBox("Error reading aircraft",
254 "An error occured reading the requested aircraft (" + aircraft + ")",
255 e.getFormattedMessage());
263 SGPath getAircraftPaths() {
264 string_list pathList = globals->get_aircraft_paths();
265 SGPath aircraftPaths;
266 string_list::const_iterator it = pathList.begin();
267 if (it != pathList.end()) {
268 aircraftPaths.set(*it);
271 for (; it != pathList.end(); ++it) {
272 aircraftPaths.add(*it);
274 return aircraftPaths;
279 if (globals->get_fg_root() != _cache->getStringValue("fg-root", "")) {
280 return false; // cache mismatch
283 if (getAircraftPaths().str() != _cache->getStringValue("fg-aircraft", "")) {
284 return false; // cache mismatch
287 vector<SGPropertyNode_ptr> cache = _cache->getChildren("aircraft");
288 for (unsigned int i = 0; i < cache.size(); i++) {
289 const char *name = cache[i]->getStringValue("file", "");
290 if (!boost::equals(_searchAircraft, name, is_iequal())) {
294 SGPath xml(cache[i]->getStringValue("path", ""));
302 } // of aircraft in cache iteration
307 virtual VisitResult visit(const SGPath& p)
312 if (!_cache->getChild("aircraft", i++, false))
316 SGPropertyNode *n, *entry = _cache->getChild("aircraft", --i, true);
318 std::string fileName(p.file());
319 n = entry->getNode("file", true);
320 n->setStringValue(fileName);
321 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
323 n = entry->getNode("path", true);
324 n->setStringValue(p.dir());
325 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
327 if ( boost::equals(fileName, _searchAircraft.c_str(), is_iequal()) ) {
332 return VISIT_CONTINUE;
335 std::string _searchAircraft;
337 SGPropertyNode* _cache;
341 static SGPath platformDefaultDataPath()
343 char *envp = ::getenv( "APPDATA" );
344 SGPath config( envp );
345 config.append( "flightgear.org" );
349 #elif defined(SG_MAC)
351 // platformDefaultDataPath defined in GUI/CocoaHelpers.h
354 static SGPath platformDefaultDataPath()
356 return SGPath::home() / ".fgfs";
362 SGPath dataPath = SGPath::fromEnv("FG_HOME", platformDefaultDataPath());
363 globals->set_fg_home(dataPath.c_str());
365 simgear::Dir fgHome(dataPath);
366 if (!fgHome.exists()) {
370 if (!fgHome.exists()) {
371 flightgear::fatalMessageBox("Problem setting up user data",
372 "Unable to create the user-data storage folder at: '"
373 + dataPath.str() + "'");
377 if (fgGetBool("/sim/fghome-readonly", false)) {
378 // user / config forced us into readonly mode, fine
379 SG_LOG(SG_GENERAL, SG_INFO, "Running with FG_HOME readonly");
383 // write our PID, and check writeability
384 SGPath pidPath(dataPath, "fgfs.pid");
385 if (pidPath.exists()) {
386 SG_LOG(SG_GENERAL, SG_INFO, "flightgear instance already running, switching to FG_HOME read-only.");
387 // set a marker property so terrasync/navcache don't try to write
388 // from secondary instances
389 fgSetBool("/sim/fghome-readonly", true);
395 #if defined(SG_WINDOWS)
396 size_t len = snprintf(buf, 16, "%d", _getpid());
398 HANDLE f = CreateFileA(pidPath.c_str(), GENERIC_READ | GENERIC_WRITE,
399 FILE_SHARE_READ, /* sharing */
400 NULL, /* security attributes */
401 CREATE_NEW, /* error if already exists */
402 FILE_FLAG_DELETE_ON_CLOSE,
403 NULL /* template */);
405 result = (f != INVALID_HANDLE_VALUE);
408 WriteFile(f, buf, len, &written, NULL /* overlapped */);
411 // POSIX, do open+unlink trick to the file is deleted on exit, even if we
413 ssize_t len = snprintf(buf, 16, "%d", getpid());
414 int fd = ::open(pidPath.c_str(), O_WRONLY | O_CREAT | O_TRUNC | O_EXCL, 0644);
416 result = ::write(fd, buf, len) == len;
417 if( ::unlink(pidPath.c_str()) != 0 ) // delete file when app quits
421 fgSetBool("/sim/fghome-readonly", false);
424 flightgear::fatalMessageBox("File permissions problem",
425 "Can't write to user-data storage folder, check file permissions and FG_HOME.",
426 "User-data at:" + dataPath.str());
431 // Read in configuration (file and command line)
432 int fgInitConfig ( int argc, char **argv, bool reinit )
434 SGPath dataPath = globals->get_fg_home();
436 simgear::Dir exportDir(simgear::Dir(dataPath).file("Export"));
437 if (!exportDir.exists()) {
438 exportDir.create(0777);
441 // Set /sim/fg-home and don't allow malign code to override it until
442 // Nasal security is set up. Use FG_HOME if necessary.
443 SGPropertyNode *home = fgGetNode("/sim", true);
444 home->removeChild("fg-home", 0, false);
445 home = home->getChild("fg-home", 0, true);
446 home->setStringValue(dataPath.c_str());
447 home->setAttribute(SGPropertyNode::WRITE, false);
450 flightgear::Options* options = flightgear::Options::sharedInstance();
452 options->init(argc, argv, dataPath);
455 bool loadDefaults = options->shouldLoadDefaultConfig();
457 // Read global preferences from $FG_ROOT/preferences.xml
458 SG_LOG(SG_INPUT, SG_INFO, "Reading global preferences");
459 fgLoadProps("preferences.xml", globals->get_props());
460 SG_LOG(SG_INPUT, SG_INFO, "Finished Reading global preferences");
462 // do not load user settings when reset to default is requested, or if
463 // told to explicitly ignore
464 if (options->isOptionSet("restore-defaults") || options->isOptionSet("ignore-autosave"))
466 SG_LOG(SG_ALL, SG_ALERT, "Ignoring user settings. Restoring defaults.");
470 globals->loadUserSettings(dataPath);
473 SG_LOG(SG_GENERAL, SG_INFO, "not reading default configuration files");
474 }// of no-default-config selected
476 return flightgear::FG_OPTIONS_OK;
479 int fgInitAircraft(bool reinit)
481 // Scan user config files and command line for a specified aircraft.
483 flightgear::Options::sharedInstance()->initAircraft();
486 FindAndCacheAircraft f(globals->get_props());
487 if (!f.loadAircraft()) {
488 return flightgear::FG_OPTIONS_ERROR;
491 return flightgear::FG_OPTIONS_OK;
495 * Initialize vor/ndb/ils/fix list management and query systems (as
496 * well as simple airport db list)
497 * This is called multiple times in the case of a cache rebuild,
498 * to allow lengthy caching to take place in the background, without
499 * blocking the main/UI thread.
504 flightgear::NavDataCache* cache = flightgear::NavDataCache::instance();
505 static bool doingRebuild = false;
506 if (doingRebuild || cache->isRebuildRequired()) {
508 bool finished = cache->rebuild();
510 // sleep to give the rebuild thread more time
511 SGTimeStamp::sleepForMSec(50);
516 FGTACANList *channellist = new FGTACANList;
517 globals->set_channellist( channellist );
519 SGPath path(globals->get_fg_root());
520 path.append( "Navaids/TACAN_freq.dat" );
521 flightgear::loadTacan(path, channellist);
526 // General house keeping initializations
527 bool fgInitGeneral() {
530 SG_LOG( SG_GENERAL, SG_INFO, "General Initialization" );
531 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
533 root = globals->get_fg_root();
534 if ( ! root.length() ) {
535 // No root path set? Then bail ...
536 SG_LOG( SG_GENERAL, SG_ALERT,
537 "Cannot continue without a path to the base package "
538 << "being defined." );
541 SG_LOG( SG_GENERAL, SG_INFO, "FG_ROOT = " << '"' << root << '"' << endl );
543 // Note: browser command is hard-coded for Mac/Windows, so this only affects other platforms
544 globals->set_browser(fgGetString("/sim/startup/browser-app", WEB_BROWSER));
545 fgSetString("/sim/startup/browser-app", globals->get_browser());
547 simgear::Dir cwd(simgear::Dir::current());
548 SGPropertyNode *curr = fgGetNode("/sim", true);
549 curr->removeChild("fg-current", 0, false);
550 curr = curr->getChild("fg-current", 0, true);
551 curr->setStringValue(cwd.path().str());
552 curr->setAttribute(SGPropertyNode::WRITE, false);
554 fgSetBool("/sim/startup/stdout-to-terminal", isatty(1) != 0 );
555 fgSetBool("/sim/startup/stderr-to-terminal", isatty(2) != 0 );
559 // Write various configuraton values out to the logs
560 void fgOutputSettings()
562 SG_LOG( SG_GENERAL, SG_INFO, "Configuration State" );
563 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
565 SG_LOG( SG_GENERAL, SG_INFO, "aircraft-dir = " << '"' << fgGetString("/sim/aircraft-dir") << '"' );
566 SG_LOG( SG_GENERAL, SG_INFO, "fghome-dir = " << '"' << globals->get_fg_home() << '"');
567 SG_LOG( SG_GENERAL, SG_INFO, "aircraft-dir = " << '"' << fgGetString("/sim/aircraft-dir") << '"');
569 SG_LOG( SG_GENERAL, SG_INFO, "aircraft-search-paths = \n\t" << simgear::strutils::join(globals->get_aircraft_paths(), "\n\t") );
570 SG_LOG( SG_GENERAL, SG_INFO, "scenery-search-paths = \n\t" << simgear::strutils::join(globals->get_fg_scenery(), "\n\t") );
573 // This is the top level init routine which calls all the other
574 // initialization routines. If you are adding a subsystem to flight
575 // gear, its initialization call should located in this routine.
576 // Returns non-zero if a problem encountered.
577 void fgCreateSubsystems(bool duringReset) {
579 SG_LOG( SG_GENERAL, SG_INFO, "Creating Subsystems");
580 SG_LOG( SG_GENERAL, SG_INFO, "========== ==========");
582 ////////////////////////////////////////////////////////////////////
583 // Initialize the sound subsystem.
584 ////////////////////////////////////////////////////////////////////
585 // Sound manager uses an own subsystem group "SOUND" which is the last
586 // to be updated in every loop.
587 // Sound manager is updated last so it can use the CPU while the GPU
588 // is processing the scenery (doubled the frame-rate for me) -EMH-
589 globals->add_subsystem("sound", new FGSoundManager, SGSubsystemMgr::SOUND);
591 ////////////////////////////////////////////////////////////////////
592 // Initialize the event manager subsystem.
593 ////////////////////////////////////////////////////////////////////
595 globals->get_event_mgr()->init();
596 globals->get_event_mgr()->setRealtimeProperty(fgGetNode("/sim/time/delta-realtime-sec", true));
598 ////////////////////////////////////////////////////////////////////
599 // Initialize the property interpolator subsystem. Put into the INIT
600 // group because the "nasal" subsystem may need it at GENERAL take-down.
601 ////////////////////////////////////////////////////////////////////
602 FGInterpolator* interp = new FGInterpolator;
603 interp->setRealtimeProperty(fgGetNode("/sim/time/delta-realtime-sec", true));
604 globals->add_subsystem("prop-interpolator", interp, SGSubsystemMgr::INIT);
605 SGPropertyNode::setInterpolationMgr(interp);
607 ////////////////////////////////////////////////////////////////////
608 // Add the FlightGear property utilities.
609 ////////////////////////////////////////////////////////////////////
610 globals->add_subsystem("properties", new FGProperties);
613 ////////////////////////////////////////////////////////////////////
614 // Add the performance monitoring system.
615 ////////////////////////////////////////////////////////////////////
616 globals->add_subsystem("performance-mon",
617 new SGPerformanceMonitor(globals->get_subsystem_mgr(),
618 fgGetNode("/sim/performance-monitor", true)));
620 ////////////////////////////////////////////////////////////////////
621 // Initialize the material property subsystem.
622 ////////////////////////////////////////////////////////////////////
624 SGPath mpath( globals->get_fg_root() );
625 mpath.append( fgGetString("/sim/rendering/materials-file") );
626 if ( ! globals->get_matlib()->load(globals->get_fg_root(), mpath.str(),
627 globals->get_props()) ) {
628 throw sg_io_exception("Error loading materials file", mpath);
631 globals->add_subsystem( "http", new FGHTTPClient );
633 ////////////////////////////////////////////////////////////////////
634 // Initialize the scenery management subsystem.
635 ////////////////////////////////////////////////////////////////////
637 globals->get_scenery()->get_scene_graph()
638 ->addChild(simgear::Particles::getCommonRoot());
639 simgear::GlobalParticleCallback::setSwitch(fgGetNode("/sim/rendering/particles", true));
641 ////////////////////////////////////////////////////////////////////
642 // Initialize the flight model subsystem.
643 ////////////////////////////////////////////////////////////////////
645 globals->add_subsystem("flight", new FDMShell, SGSubsystemMgr::FDM);
647 ////////////////////////////////////////////////////////////////////
648 // Initialize the weather subsystem.
649 ////////////////////////////////////////////////////////////////////
651 // Initialize the weather modeling subsystem
652 globals->add_subsystem("environment", new FGEnvironmentMgr);
653 globals->add_subsystem("ephemeris", new Ephemeris);
655 ////////////////////////////////////////////////////////////////////
656 // Initialize the aircraft systems and instrumentation (before the
658 ////////////////////////////////////////////////////////////////////
660 globals->add_subsystem("systems", new FGSystemMgr, SGSubsystemMgr::FDM);
661 globals->add_subsystem("instrumentation", new FGInstrumentMgr, SGSubsystemMgr::FDM);
662 globals->add_subsystem("hud", new HUD, SGSubsystemMgr::DISPLAY);
663 globals->add_subsystem("cockpit-displays", new flightgear::CockpitDisplayManager, SGSubsystemMgr::DISPLAY);
665 ////////////////////////////////////////////////////////////////////
666 // Initialize the XML Autopilot subsystem.
667 ////////////////////////////////////////////////////////////////////
669 globals->add_subsystem( "xml-autopilot", FGXMLAutopilotGroup::createInstance("autopilot"), SGSubsystemMgr::FDM );
670 globals->add_subsystem( "xml-proprules", FGXMLAutopilotGroup::createInstance("property-rule"), SGSubsystemMgr::GENERAL );
671 globals->add_subsystem( "route-manager", new FGRouteMgr );
673 ////////////////////////////////////////////////////////////////////
674 // Initialize the Input-Output subsystem
675 ////////////////////////////////////////////////////////////////////
676 globals->add_subsystem( "io", new FGIO );
678 ////////////////////////////////////////////////////////////////////
679 // Create and register the logger.
680 ////////////////////////////////////////////////////////////////////
682 globals->add_subsystem("logger", new FGLogger);
684 ////////////////////////////////////////////////////////////////////
685 // Create and register the XML GUI.
686 ////////////////////////////////////////////////////////////////////
688 globals->add_subsystem("gui", new NewGUI, SGSubsystemMgr::INIT);
690 //////////////////////////////////////////////////////////////////////
691 // Initialize the 2D cloud subsystem.
692 ////////////////////////////////////////////////////////////////////
693 fgGetBool("/sim/rendering/bump-mapping", false);
695 ////////////////////////////////////////////////////////////////////
696 // Initialize the canvas 2d drawing subsystem.
697 ////////////////////////////////////////////////////////////////////
698 simgear::canvas::Canvas::setSystemAdapter(
699 simgear::canvas::SystemAdapterPtr(new canvas::FGCanvasSystemAdapter)
701 globals->add_subsystem("Canvas", new CanvasMgr, SGSubsystemMgr::DISPLAY);
702 globals->add_subsystem("CanvasGUI", new GUIMgr, SGSubsystemMgr::DISPLAY);
704 ////////////////////////////////////////////////////////////////////
705 // Initialise the ATIS Manager
706 // Note that this is old stuff, but is necessary for the
707 // current ATIS implementation. Therefore, leave it in here
708 // until the ATIS system is ported over to make use of the ATIS
709 // sub system infrastructure.
710 ////////////////////////////////////////////////////////////////////
712 globals->add_subsystem("ATIS", new FGATISMgr, SGSubsystemMgr::INIT, 0.4);
714 ////////////////////////////////////////////////////////////////////
715 // Initialize the ATC subsystem
716 ////////////////////////////////////////////////////////////////////
717 globals->add_subsystem("ATC", new FGATCManager, SGSubsystemMgr::POST_FDM);
719 ////////////////////////////////////////////////////////////////////
720 // Initialize multiplayer subsystem
721 ////////////////////////////////////////////////////////////////////
723 globals->add_subsystem("mp", new FGMultiplayMgr, SGSubsystemMgr::POST_FDM);
725 ////////////////////////////////////////////////////////////////////
726 // Initialise the AI Model Manager
727 ////////////////////////////////////////////////////////////////////
728 SG_LOG(SG_GENERAL, SG_INFO, " AI Model Manager");
729 globals->add_subsystem("ai-model", new FGAIManager, SGSubsystemMgr::POST_FDM);
730 globals->add_subsystem("submodel-mgr", new FGSubmodelMgr, SGSubsystemMgr::POST_FDM);
733 // It's probably a good idea to initialize the top level traffic manager
734 // After the AI and ATC systems have been initialized properly.
735 // AI Traffic manager
736 globals->add_subsystem("traffic-manager", new FGTrafficManager, SGSubsystemMgr::POST_FDM);
738 ////////////////////////////////////////////////////////////////////
739 // Add a new 2D panel.
740 ////////////////////////////////////////////////////////////////////
742 fgSetArchivable("/sim/panel/visibility");
743 fgSetArchivable("/sim/panel/x-offset");
744 fgSetArchivable("/sim/panel/y-offset");
745 fgSetArchivable("/sim/panel/jitter");
747 ////////////////////////////////////////////////////////////////////
748 // Initialize the controls subsystem.
749 ////////////////////////////////////////////////////////////////////
751 globals->add_subsystem("controls", new FGControls, SGSubsystemMgr::GENERAL);
753 ////////////////////////////////////////////////////////////////////
754 // Initialize the input subsystem.
755 ////////////////////////////////////////////////////////////////////
757 globals->add_subsystem("input", new FGInput, SGSubsystemMgr::GENERAL);
760 ////////////////////////////////////////////////////////////////////
761 // Initialize the replay subsystem
762 ////////////////////////////////////////////////////////////////////
763 globals->add_subsystem("replay", new FGReplay);
764 globals->add_subsystem("history", new FGFlightHistory);
766 #ifdef ENABLE_AUDIO_SUPPORT
767 ////////////////////////////////////////////////////////////////////
768 // Initialize the sound-effects subsystem.
769 ////////////////////////////////////////////////////////////////////
770 globals->add_subsystem("voice", new FGVoiceMgr, SGSubsystemMgr::DISPLAY);
774 ////////////////////////////////////////////////////////////////////
775 // Initialize the FGCom subsystem.
776 ////////////////////////////////////////////////////////////////////
777 globals->add_subsystem("fgcom", new FGCom);
780 ////////////////////////////////////////////////////////////////////
781 // Initialize the lighting subsystem.
782 ////////////////////////////////////////////////////////////////////
784 // ordering here is important : Nasal (via events), then models, then views
786 globals->add_subsystem("lighting", new FGLight, SGSubsystemMgr::DISPLAY);
787 globals->add_subsystem("events", globals->get_event_mgr(), SGSubsystemMgr::DISPLAY);
790 globals->add_subsystem("aircraft-model", new FGAircraftModel, SGSubsystemMgr::DISPLAY);
791 globals->add_subsystem("model-manager", new FGModelMgr, SGSubsystemMgr::DISPLAY);
793 globals->add_subsystem("view-manager", new FGViewMgr, SGSubsystemMgr::DISPLAY);
795 globals->add_subsystem("tile-manager", globals->get_tile_mgr(),
796 SGSubsystemMgr::DISPLAY);
799 void fgPostInitSubsystems()
804 ////////////////////////////////////////////////////////////////////////
805 // Initialize the Nasal interpreter.
806 // Do this last, so that the loaded scripts see initialized state
807 ////////////////////////////////////////////////////////////////////////
808 FGNasalSys* nasal = new FGNasalSys();
809 globals->add_subsystem("nasal", nasal, SGSubsystemMgr::INIT);
811 SG_LOG(SG_GENERAL, SG_INFO, "Nasal init took:" << st.elapsedMSec());
813 // Ensure IOrules and path validation are working properly by trying to
814 // access a folder/file which should never be accessible.
815 const char* no_access_path =
821 if( fgValidatePath(no_access_path, true) )
826 "Check your IOrules! (write to '" << no_access_path << "' is allowed)"
828 if( fgValidatePath(no_access_path, false) )
833 "Check your IOrules! (read from '" << no_access_path << "' is allowed)"
836 // initialize methods that depend on other subsystems.
838 globals->get_subsystem_mgr()->postinit();
839 SG_LOG(SG_GENERAL, SG_INFO, "Subsystems postinit took:" << st.elapsedMSec());
841 ////////////////////////////////////////////////////////////////////////
842 // End of subsystem initialization.
843 ////////////////////////////////////////////////////////////////////
845 fgSetBool("/sim/crashed", false);
846 fgSetBool("/sim/initialized", true);
848 SG_LOG( SG_GENERAL, SG_INFO, endl);
850 // Save the initial state for future
852 globals->saveInitialState();
855 // Reset: this is what the 'reset' command (and hence, GUI) is attached to
856 void fgReInitSubsystems()
863 SGPropertyNode *master_freeze = fgGetNode("/sim/freeze/master");
865 SG_LOG( SG_GENERAL, SG_INFO, "fgReInitSubsystems()");
867 // setup state to begin re-init
868 bool freeze = master_freeze->getBoolValue();
870 master_freeze->setBoolValue(true);
873 fgSetBool("/sim/signals/reinit", true);
874 fgSetBool("/sim/crashed", false);
876 // do actual re-init steps
877 globals->get_subsystem("flight")->unbind();
879 // reset control state, before restoring initial state; -set or config files
880 // may specify values for flaps, trim tabs, magnetos, etc
881 globals->get_controls()->reset_all();
883 globals->restoreInitialState();
885 // update our position based on current presets
886 // this will mark position as needed finalized which we'll do in the
888 flightgear::initPosition();
890 simgear::SGTerraSync* terraSync =
891 static_cast<simgear::SGTerraSync*>(globals->get_subsystem("terrasync"));
893 terraSync->reposition();
896 // Force reupdating the positions of the ai 3d models. They are used for
897 // initializing ground level for the FDM.
898 globals->get_subsystem("ai-model")->reinit();
900 // Initialize the FDM
901 globals->get_subsystem("flight")->reinit();
903 // reset replay buffers
904 globals->get_subsystem("replay")->reinit();
906 // reload offsets from config defaults
907 globals->get_viewmgr()->reinit();
909 // ugly: finalizePosition waits for METAR to arrive for the new airport.
910 // we don't re-init the environment manager here, since historically we did
911 // not, and doing so seems to have other issues. All that's needed is to
912 // schedule METAR fetch immediately, so it's available for finalizePosition.
913 // So we manually extract the METAR-fetching component inside the environment
914 // manager, and re-init that.
915 SGSubsystemGroup* envMgr = static_cast<SGSubsystemGroup*>(globals->get_subsystem("environment"));
917 envMgr->get_subsystem("realwx")->reinit();
920 globals->get_subsystem("time")->reinit();
922 // need to bind FDMshell again, since we manually unbound it above...
923 globals->get_subsystem("flight")->bind();
925 // need to reset aircraft (systems/instruments) so they can adapt to current environment
926 globals->get_subsystem("systems")->reinit();
927 globals->get_subsystem("instrumentation")->reinit();
929 globals->get_subsystem("ATIS")->reinit();
931 // setup state to end re-init
932 fgSetBool("/sim/signals/reinit", false);
934 master_freeze->setBoolValue(false);
936 fgSetBool("/sim/sceneryloaded",false);
939 void fgStartNewReset()
941 globals->saveInitialState();
943 fgSetBool("/sim/signals/reinit", true);
944 fgSetBool("/sim/freeze/master", true);
946 SGSubsystemMgr* subsystemManger = globals->get_subsystem_mgr();
947 subsystemManger->shutdown();
948 subsystemManger->unbind();
950 // remove them all (with some exceptions?)
951 for (int g=0; g<SGSubsystemMgr::MAX_GROUPS; ++g) {
952 SGSubsystemGroup* grp = subsystemManger->get_group(static_cast<SGSubsystemMgr::GroupType>(g));
953 const string_list& names(grp->member_names());
954 string_list::const_iterator it;
955 for (it = names.begin(); it != names.end(); ++it) {
956 if ((*it == "time") || (*it == "terrasync") || (*it == "events")
957 || (*it == "lighting"))
963 subsystemManger->remove(it->c_str());
964 } catch (std::exception& e) {
965 SG_LOG(SG_GENERAL, SG_INFO, "caught std::exception shutting down:" << *it);
967 SG_LOG(SG_GENERAL, SG_INFO, "caught generic exception shutting down:" << *it);
970 // don't delete here, dropping the ref should be sufficient
972 } // of top-level groups iteration
974 // order is important here since tile-manager shutdown needs to
975 // access the scenery object
976 globals->set_tile_mgr(NULL);
977 globals->set_scenery(NULL);
978 flightgear::CameraGroup::setDefault(NULL);
980 FGRenderer* render = globals->get_renderer();
981 // don't cancel the pager until after shutdown, since AIModels (and
982 // potentially others) can queue delete requests on the pager.
983 render->getViewer()->getDatabasePager()->cancel();
985 osgDB::Registry::instance()->clearObjectCache();
987 // preserve the event handler; re-creating it would entail fixing the
989 osg::ref_ptr<flightgear::FGEventHandler> eventHandler = render->getEventHandler();
991 globals->set_renderer(NULL);
992 globals->set_matlib(NULL);
993 globals->set_chatter_queue(NULL);
995 simgear::clearEffectCache();
996 simgear::SGModelLib::resetPropertyRoot();
998 globals->resetPropertyRoot();
999 globals->restoreInitialState();
1001 fgInitConfig(0, NULL, true);
1002 fgInitGeneral(); // all of this?
1004 fgGetNode("/sim")->removeChild("aircraft-dir");
1005 fgInitAircraft(true);
1006 flightgear::Options::sharedInstance()->processOptions();
1008 render = new FGRenderer;
1009 render->setEventHandler(eventHandler);
1010 globals->set_renderer(render);
1012 render->setViewer(viewer.get());
1013 viewer->getDatabasePager()->setUpThreads(1, 1);
1014 render->splashinit();
1016 flightgear::CameraGroup::buildDefaultGroup(viewer.get());
1018 fgOSResetProperties();
1021 // init some things manually
1022 // which do not follow the regular init pattern
1024 globals->get_event_mgr()->init();
1025 globals->get_event_mgr()->setRealtimeProperty(fgGetNode("/sim/time/delta-realtime-sec", true));
1027 globals->set_matlib( new SGMaterialLib );
1029 // terra-sync needs the property tree root, pass it back in
1030 simgear::SGTerraSync* terra_sync = static_cast<simgear::SGTerraSync*>(subsystemManger->get_subsystem("terrasync"));
1031 terra_sync->setRoot(globals->get_props());
1033 fgSetBool("/sim/signals/reinit", false);
1034 fgSetBool("/sim/freeze/master", false);
1035 fgSetBool("/sim/sceneryloaded",false);