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 <simgear/package/Root.hxx>
73 #include <simgear/package/Package.hxx>
74 #include <simgear/package/Install.hxx>
75 #include <simgear/package/Catalog.hxx>
77 #include <Aircraft/controls.hxx>
78 #include <Aircraft/replay.hxx>
79 #include <Aircraft/FlightHistory.hxx>
80 #include <Airports/runways.hxx>
81 #include <Airports/airport.hxx>
82 #include <Airports/dynamics.hxx>
84 #include <AIModel/AIManager.hxx>
86 #include <ATC/atc_mgr.hxx>
88 #include <Autopilot/route_mgr.hxx>
89 #include <Autopilot/autopilotgroup.hxx>
91 #include <Cockpit/panel.hxx>
92 #include <Cockpit/panel_io.hxx>
94 #include <Canvas/canvas_mgr.hxx>
95 #include <Canvas/gui_mgr.hxx>
96 #include <Canvas/FGCanvasSystemAdapter.hxx>
97 #include <GUI/new_gui.hxx>
98 #include <GUI/MessageBox.hxx>
99 #include <Input/input.hxx>
100 #include <Instrumentation/instrument_mgr.hxx>
101 #include <Model/acmodel.hxx>
102 #include <Model/modelmgr.hxx>
103 #include <AIModel/submodel.hxx>
104 #include <AIModel/AIManager.hxx>
105 #include <Navaids/navdb.hxx>
106 #include <Navaids/navlist.hxx>
107 #include <Scenery/scenery.hxx>
108 #include <Scenery/SceneryPager.hxx>
109 #include <Scenery/tilemgr.hxx>
110 #include <Scripting/NasalSys.hxx>
111 #include <Sound/voice.hxx>
112 #include <Sound/soundmanager.hxx>
113 #include <Systems/system_mgr.hxx>
114 #include <Time/light.hxx>
115 #include <Time/TimeManager.hxx>
117 #include <Traffic/TrafficMgr.hxx>
118 #include <MultiPlayer/multiplaymgr.hxx>
119 #include <FDM/fdm_shell.hxx>
120 #include <Environment/ephemeris.hxx>
121 #include <Environment/environment_mgr.hxx>
122 #include <Viewer/renderer.hxx>
123 #include <Viewer/viewmgr.hxx>
124 #include <Viewer/FGEventHandler.hxx>
125 #include <Navaids/NavDataCache.hxx>
126 #include <Instrumentation/HUD/HUD.hxx>
127 #include <Cockpit/cockpitDisplayManager.hxx>
128 #include <Network/HTTPClient.hxx>
129 #include <Network/fgcom.hxx>
130 #include <Network/http/httpd.hxx>
131 #include <Include/version.h>
133 #include <Viewer/CameraGroup.hxx>
135 #include "fg_init.hxx"
137 #include "fg_commands.hxx"
138 #include "fg_props.hxx"
139 #include "FGInterpolator.hxx"
140 #include "options.hxx"
141 #include "globals.hxx"
142 #include "logger.hxx"
144 #include "positioninit.hxx"
146 #include "AircraftDirVisitorBase.hxx"
149 #include <GUI/CocoaHelpers.h> // for Mac impl of platformDefaultDataPath()
159 using namespace boost::algorithm;
160 using namespace simgear::pkg;
162 extern osg::ref_ptr<osgViewer::Viewer> viewer;
164 // Return the current base package version
165 string fgBasePackageVersion() {
166 SGPath base_path( globals->get_fg_root() );
167 base_path.append("version");
168 if (!base_path.exists()) {
172 sg_gzifstream in( base_path.str() );
183 class FindAndCacheAircraft : public AircraftDirVistorBase
186 FindAndCacheAircraft(SGPropertyNode* autoSave)
188 _cache = autoSave->getNode("sim/startup/path-cache", true);
193 std::string aircraft = fgGetString( "/sim/aircraft", "");
194 if (aircraft.empty()) {
195 flightgear::fatalMessageBox("No aircraft", "No aircraft was specified");
196 SG_LOG(SG_GENERAL, SG_ALERT, "no aircraft specified");
200 _searchAircraft = aircraft + "-set.xml";
201 std::string aircraftDir = fgGetString("/sim/aircraft-dir", "");
202 if (!aircraftDir.empty()) {
203 // aircraft-dir was set, skip any searching at all, if it's valid
204 simgear::Dir acPath(aircraftDir);
205 SGPath setFile = acPath.file(_searchAircraft);
206 if (setFile.exists()) {
207 SG_LOG(SG_GENERAL, SG_INFO, "found aircraft in dir: " << aircraftDir );
210 readProperties(setFile.str(), globals->get_props());
211 } catch ( const sg_exception &e ) {
212 SG_LOG(SG_INPUT, SG_ALERT, "Error reading aircraft: " << e.getFormattedMessage());
213 flightgear::fatalMessageBox("Error reading aircraft",
214 "An error occured reading the requested aircraft (" + aircraft + ")",
215 e.getFormattedMessage());
221 SG_LOG(SG_GENERAL, SG_ALERT, "aircraft '" << _searchAircraft <<
222 "' not found in specified dir:" << aircraftDir);
223 flightgear::fatalMessageBox("Aircraft not found",
224 "The requested aircraft '" + aircraft + "' could not be found in the specified location.",
231 // prepare cache for re-scan
232 SGPropertyNode *n = _cache->getNode("fg-root", true);
233 n->setStringValue(globals->get_fg_root().c_str());
234 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
235 n = _cache->getNode("fg-aircraft", true);
236 n->setStringValue(getAircraftPaths().c_str());
237 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
238 _cache->removeChildren("aircraft");
240 visitAircraftPaths();
243 if (_foundPath.str().empty()) {
244 SG_LOG(SG_GENERAL, SG_ALERT, "Cannot find specified aircraft: " << aircraft );
245 flightgear::fatalMessageBox("Aircraft not found",
246 "The requested aircraft '" + aircraft + "' could not be found in any of the search paths");
251 SG_LOG(SG_GENERAL, SG_INFO, "Loading aircraft -set file from:" << _foundPath.str());
252 fgSetString( "/sim/aircraft-dir", _foundPath.dir().c_str());
253 if (!_foundPath.exists()) {
254 SG_LOG(SG_GENERAL, SG_ALERT, "Unable to find -set file:" << _foundPath.str());
259 readProperties(_foundPath.str(), globals->get_props());
260 } catch ( const sg_exception &e ) {
261 SG_LOG(SG_INPUT, SG_ALERT, "Error reading aircraft: " << e.getFormattedMessage());
262 flightgear::fatalMessageBox("Error reading aircraft",
263 "An error occured reading the requested aircraft (" + aircraft + ")",
264 e.getFormattedMessage());
272 SGPath getAircraftPaths() {
273 string_list pathList = globals->get_aircraft_paths();
274 SGPath aircraftPaths;
275 string_list::const_iterator it = pathList.begin();
276 if (it != pathList.end()) {
277 aircraftPaths.set(*it);
280 for (; it != pathList.end(); ++it) {
281 aircraftPaths.add(*it);
283 return aircraftPaths;
288 if (globals->get_fg_root() != _cache->getStringValue("fg-root", "")) {
289 return false; // cache mismatch
292 if (getAircraftPaths().str() != _cache->getStringValue("fg-aircraft", "")) {
293 return false; // cache mismatch
296 vector<SGPropertyNode_ptr> cache = _cache->getChildren("aircraft");
297 for (unsigned int i = 0; i < cache.size(); i++) {
298 const char *name = cache[i]->getStringValue("file", "");
299 if (!boost::equals(_searchAircraft, name, is_iequal())) {
303 SGPath xml(cache[i]->getStringValue("path", ""));
311 } // of aircraft in cache iteration
316 virtual VisitResult visit(const SGPath& p)
321 if (!_cache->getChild("aircraft", i++, false))
325 SGPropertyNode *n, *entry = _cache->getChild("aircraft", --i, true);
327 std::string fileName(p.file());
328 n = entry->getNode("file", true);
329 n->setStringValue(fileName);
330 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
332 n = entry->getNode("path", true);
333 n->setStringValue(p.dir());
334 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
336 if ( boost::equals(fileName, _searchAircraft.c_str(), is_iequal()) ) {
341 return VISIT_CONTINUE;
344 std::string _searchAircraft;
346 SGPropertyNode* _cache;
350 static SGPath platformDefaultDataPath()
352 char *envp = ::getenv( "APPDATA" );
353 SGPath config( envp );
354 config.append( "flightgear.org" );
358 #elif defined(SG_MAC)
360 // platformDefaultDataPath defined in GUI/CocoaHelpers.h
363 static SGPath platformDefaultDataPath()
365 return SGPath::home() / ".fgfs";
371 SGPath dataPath = SGPath::fromEnv("FG_HOME", platformDefaultDataPath());
372 globals->set_fg_home(dataPath.c_str());
374 simgear::Dir fgHome(dataPath);
375 if (!fgHome.exists()) {
379 if (!fgHome.exists()) {
380 flightgear::fatalMessageBox("Problem setting up user data",
381 "Unable to create the user-data storage folder at: '"
382 + dataPath.str() + "'");
386 if (fgGetBool("/sim/fghome-readonly", false)) {
387 // user / config forced us into readonly mode, fine
388 SG_LOG(SG_GENERAL, SG_INFO, "Running with FG_HOME readonly");
392 // write our PID, and check writeability
393 SGPath pidPath(dataPath, "fgfs.pid");
394 if (pidPath.exists()) {
395 SG_LOG(SG_GENERAL, SG_INFO, "flightgear instance already running, switching to FG_HOME read-only.");
396 // set a marker property so terrasync/navcache don't try to write
397 // from secondary instances
398 fgSetBool("/sim/fghome-readonly", true);
404 #if defined(SG_WINDOWS)
405 size_t len = snprintf(buf, 16, "%d", _getpid());
407 HANDLE f = CreateFileA(pidPath.c_str(), GENERIC_READ | GENERIC_WRITE,
408 FILE_SHARE_READ, /* sharing */
409 NULL, /* security attributes */
410 CREATE_NEW, /* error if already exists */
411 FILE_FLAG_DELETE_ON_CLOSE,
412 NULL /* template */);
414 result = (f != INVALID_HANDLE_VALUE);
417 WriteFile(f, buf, len, &written, NULL /* overlapped */);
420 // POSIX, do open+unlink trick to the file is deleted on exit, even if we
422 ssize_t len = snprintf(buf, 16, "%d", getpid());
423 int fd = ::open(pidPath.c_str(), O_WRONLY | O_CREAT | O_TRUNC | O_EXCL, 0644);
425 result = ::write(fd, buf, len) == len;
426 if( ::unlink(pidPath.c_str()) != 0 ) // delete file when app quits
431 fgSetBool("/sim/fghome-readonly", false);
434 flightgear::fatalMessageBox("File permissions problem",
435 "Can't write to user-data storage folder, check file permissions and FG_HOME.",
436 "User-data at:" + dataPath.str());
441 // Read in configuration (file and command line)
442 int fgInitConfig ( int argc, char **argv, bool reinit )
444 SGPath dataPath = globals->get_fg_home();
446 simgear::Dir exportDir(simgear::Dir(dataPath).file("Export"));
447 if (!exportDir.exists()) {
448 exportDir.create(0755);
451 // Set /sim/fg-home and don't allow malign code to override it until
452 // Nasal security is set up. Use FG_HOME if necessary.
453 SGPropertyNode *home = fgGetNode("/sim", true);
454 home->removeChild("fg-home", 0);
455 home = home->getChild("fg-home", 0, true);
456 home->setStringValue(dataPath.c_str());
457 home->setAttribute(SGPropertyNode::WRITE, false);
460 flightgear::Options* options = flightgear::Options::sharedInstance();
462 options->init(argc, argv, dataPath);
465 bool loadDefaults = options->shouldLoadDefaultConfig();
467 // Read global preferences from $FG_ROOT/preferences.xml
468 SG_LOG(SG_INPUT, SG_INFO, "Reading global preferences");
469 fgLoadProps("preferences.xml", globals->get_props());
470 SG_LOG(SG_INPUT, SG_INFO, "Finished Reading global preferences");
472 // do not load user settings when reset to default is requested, or if
473 // told to explicitly ignore
474 if (options->isOptionSet("restore-defaults") || options->isOptionSet("ignore-autosave"))
476 SG_LOG(SG_GENERAL, SG_ALERT, "Ignoring user settings. Restoring defaults.");
480 globals->loadUserSettings(dataPath);
483 SG_LOG(SG_GENERAL, SG_INFO, "not reading default configuration files");
484 }// of no-default-config selected
486 return flightgear::FG_OPTIONS_OK;
489 static void initAircraftDirsNasalSecurity()
491 SGPropertyNode* sim = fgGetNode("/sim", true);
492 sim->removeChildren("fg-aircraft");
495 string_list const aircraft_paths = globals->get_aircraft_paths();
496 for( string_list::const_iterator it = aircraft_paths.begin();
497 it != aircraft_paths.end();
500 SGPropertyNode* n = sim->getChild("fg-aircraft", index, true);
501 n->setStringValue(*it);
502 n->setAttribute(SGPropertyNode::WRITE, false);
506 int fgInitAircraft(bool reinit)
509 // FIXME - use Documents/FlightGear/Aircraft
510 SGPath userAircraftDir = globals->get_fg_home();
511 userAircraftDir.append("Aircraft");
513 SGSharedPtr<Root> pkgRoot(new Root(userAircraftDir, FLIGHTGEAR_VERSION));
514 // set the http client later (too early in startup right now)
515 globals->setPackageRoot(pkgRoot);
518 SGSharedPtr<Root> pkgRoot(globals->packageRoot());
519 SGPropertyNode* aircraftProp = fgGetNode("/sim/aircraft", true);
520 aircraftProp->setAttribute(SGPropertyNode::PRESERVE, true);
523 flightgear::Options::sharedInstance()->initAircraft();
526 PackageRef acftPackage = pkgRoot->getPackageById(aircraftProp->getStringValue());
528 if (acftPackage->isInstalled()) {
529 SG_LOG(SG_GENERAL, SG_INFO, "Loading aircraft from package:" << acftPackage->qualifiedId());
531 // set catalog path so intra-package dependencies within the catalog
532 // are resolved correctly.
533 globals->set_catalog_aircraft_path(acftPackage->catalog()->installRoot());
535 // set aircraft-dir to short circuit the search process
536 InstallRef acftInstall = acftPackage->install();
537 fgSetString("/sim/aircraft-dir", acftInstall->path().c_str());
539 // overwrite the fully qualified ID with the aircraft one, so the
540 // code in FindAndCacheAircraft works as normal
542 aircraftProp->setStringValue(acftPackage->id());
543 // run the traditional-code path below
546 // naturally the better option would be to on-demand install it!
547 flightgear::fatalMessageBox("Aircraft not installed",
548 "Requested aircraft is not currently installed.",
549 aircraftProp->getStringValue());
551 return flightgear::FG_OPTIONS_ERROR;
556 initAircraftDirsNasalSecurity();
558 FindAndCacheAircraft f(globals->get_props());
559 if (!f.loadAircraft()) {
560 return flightgear::FG_OPTIONS_ERROR;
563 return flightgear::FG_OPTIONS_OK;
567 * Initialize vor/ndb/ils/fix list management and query systems (as
568 * well as simple airport db list)
569 * This is called multiple times in the case of a cache rebuild,
570 * to allow lengthy caching to take place in the background, without
571 * blocking the main/UI thread.
576 flightgear::NavDataCache* cache = flightgear::NavDataCache::instance();
577 static bool doingRebuild = false;
578 if (doingRebuild || cache->isRebuildRequired()) {
580 bool finished = cache->rebuild();
582 // sleep to give the rebuild thread more time
583 SGTimeStamp::sleepForMSec(50);
588 FGTACANList *channellist = new FGTACANList;
589 globals->set_channellist( channellist );
591 SGPath path(globals->get_fg_root());
592 path.append( "Navaids/TACAN_freq.dat" );
593 flightgear::loadTacan(path, channellist);
598 // General house keeping initializations
599 bool fgInitGeneral() {
602 SG_LOG( SG_GENERAL, SG_INFO, "General Initialization" );
603 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
605 root = globals->get_fg_root();
606 if ( ! root.length() ) {
607 // No root path set? Then bail ...
608 SG_LOG( SG_GENERAL, SG_ALERT,
609 "Cannot continue without a path to the base package "
610 << "being defined." );
613 SG_LOG( SG_GENERAL, SG_INFO, "FG_ROOT = " << '"' << root << '"' << endl );
615 // Note: browser command is hard-coded for Mac/Windows, so this only affects other platforms
616 globals->set_browser(fgGetString("/sim/startup/browser-app", WEB_BROWSER));
617 fgSetString("/sim/startup/browser-app", globals->get_browser());
619 simgear::Dir cwd(simgear::Dir::current());
620 SGPropertyNode *curr = fgGetNode("/sim", true);
621 curr->removeChild("fg-current", 0);
622 curr = curr->getChild("fg-current", 0, true);
623 curr->setStringValue(cwd.path().str());
624 curr->setAttribute(SGPropertyNode::WRITE, false);
626 fgSetBool("/sim/startup/stdout-to-terminal", isatty(1) != 0 );
627 fgSetBool("/sim/startup/stderr-to-terminal", isatty(2) != 0 );
631 // Write various configuraton values out to the logs
632 void fgOutputSettings()
634 SG_LOG( SG_GENERAL, SG_INFO, "Configuration State" );
635 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
637 SG_LOG( SG_GENERAL, SG_INFO, "aircraft-dir = " << '"' << fgGetString("/sim/aircraft-dir") << '"' );
638 SG_LOG( SG_GENERAL, SG_INFO, "fghome-dir = " << '"' << globals->get_fg_home() << '"');
639 SG_LOG( SG_GENERAL, SG_INFO, "aircraft-dir = " << '"' << fgGetString("/sim/aircraft-dir") << '"');
641 SG_LOG( SG_GENERAL, SG_INFO, "aircraft-search-paths = \n\t" << simgear::strutils::join(globals->get_aircraft_paths(), "\n\t") );
642 SG_LOG( SG_GENERAL, SG_INFO, "scenery-search-paths = \n\t" << simgear::strutils::join(globals->get_fg_scenery(), "\n\t") );
645 // This is the top level init routine which calls all the other
646 // initialization routines. If you are adding a subsystem to flight
647 // gear, its initialization call should located in this routine.
648 // Returns non-zero if a problem encountered.
649 void fgCreateSubsystems(bool duringReset) {
651 SG_LOG( SG_GENERAL, SG_INFO, "Creating Subsystems");
652 SG_LOG( SG_GENERAL, SG_INFO, "========== ==========");
654 ////////////////////////////////////////////////////////////////////
655 // Initialize the sound subsystem.
656 ////////////////////////////////////////////////////////////////////
657 // Sound manager uses an own subsystem group "SOUND" which is the last
658 // to be updated in every loop.
659 // Sound manager is updated last so it can use the CPU while the GPU
660 // is processing the scenery (doubled the frame-rate for me) -EMH-
661 globals->add_subsystem("sound", new FGSoundManager, SGSubsystemMgr::SOUND);
663 ////////////////////////////////////////////////////////////////////
664 // Initialize the event manager subsystem.
665 ////////////////////////////////////////////////////////////////////
667 globals->get_event_mgr()->init();
668 globals->get_event_mgr()->setRealtimeProperty(fgGetNode("/sim/time/delta-realtime-sec", true));
670 ////////////////////////////////////////////////////////////////////
671 // Initialize the property interpolator subsystem. Put into the INIT
672 // group because the "nasal" subsystem may need it at GENERAL take-down.
673 ////////////////////////////////////////////////////////////////////
674 FGInterpolator* interp = new FGInterpolator;
675 interp->setRealtimeProperty(fgGetNode("/sim/time/delta-realtime-sec", true));
676 globals->add_subsystem("prop-interpolator", interp, SGSubsystemMgr::INIT);
677 SGPropertyNode::setInterpolationMgr(interp);
679 ////////////////////////////////////////////////////////////////////
680 // Add the FlightGear property utilities.
681 ////////////////////////////////////////////////////////////////////
682 globals->add_subsystem("properties", new FGProperties);
685 ////////////////////////////////////////////////////////////////////
686 // Add the performance monitoring system.
687 ////////////////////////////////////////////////////////////////////
688 globals->add_subsystem("performance-mon",
689 new SGPerformanceMonitor(globals->get_subsystem_mgr(),
690 fgGetNode("/sim/performance-monitor", true)));
692 ////////////////////////////////////////////////////////////////////
693 // Initialize the material property subsystem.
694 ////////////////////////////////////////////////////////////////////
696 SGPath mpath( globals->get_fg_root() );
697 mpath.append( fgGetString("/sim/rendering/materials-file") );
698 if ( ! globals->get_matlib()->load(globals->get_fg_root(), mpath.str(),
699 globals->get_props()) ) {
700 throw sg_io_exception("Error loading materials file", mpath);
703 globals->add_subsystem( "http", new FGHTTPClient );
705 ////////////////////////////////////////////////////////////////////
706 // Initialize the scenery management subsystem.
707 ////////////////////////////////////////////////////////////////////
709 globals->get_scenery()->get_scene_graph()
710 ->addChild(simgear::Particles::getCommonRoot());
711 simgear::GlobalParticleCallback::setSwitch(fgGetNode("/sim/rendering/particles", true));
713 ////////////////////////////////////////////////////////////////////
714 // Initialize the flight model subsystem.
715 ////////////////////////////////////////////////////////////////////
717 globals->add_subsystem("flight", new FDMShell, SGSubsystemMgr::FDM);
719 ////////////////////////////////////////////////////////////////////
720 // Initialize the weather subsystem.
721 ////////////////////////////////////////////////////////////////////
723 // Initialize the weather modeling subsystem
724 globals->add_subsystem("environment", new FGEnvironmentMgr);
725 globals->add_subsystem("ephemeris", new Ephemeris);
727 ////////////////////////////////////////////////////////////////////
728 // Initialize the aircraft systems and instrumentation (before the
730 ////////////////////////////////////////////////////////////////////
732 globals->add_subsystem("systems", new FGSystemMgr, SGSubsystemMgr::FDM);
733 globals->add_subsystem("instrumentation", new FGInstrumentMgr, SGSubsystemMgr::FDM);
734 globals->add_subsystem("hud", new HUD, SGSubsystemMgr::DISPLAY);
735 globals->add_subsystem("cockpit-displays", new flightgear::CockpitDisplayManager, SGSubsystemMgr::DISPLAY);
737 ////////////////////////////////////////////////////////////////////
738 // Initialize the XML Autopilot subsystem.
739 ////////////////////////////////////////////////////////////////////
741 globals->add_subsystem( "xml-autopilot", FGXMLAutopilotGroup::createInstance("autopilot"), SGSubsystemMgr::FDM );
742 globals->add_subsystem( "xml-proprules", FGXMLAutopilotGroup::createInstance("property-rule"), SGSubsystemMgr::GENERAL );
743 globals->add_subsystem( "route-manager", new FGRouteMgr );
745 ////////////////////////////////////////////////////////////////////
746 // Initialize the Input-Output subsystem
747 ////////////////////////////////////////////////////////////////////
748 globals->add_subsystem( "io", new FGIO );
750 ////////////////////////////////////////////////////////////////////
751 // Create and register the logger.
752 ////////////////////////////////////////////////////////////////////
754 globals->add_subsystem("logger", new FGLogger);
756 ////////////////////////////////////////////////////////////////////
757 // Create and register the XML GUI.
758 ////////////////////////////////////////////////////////////////////
760 globals->add_subsystem("gui", new NewGUI, SGSubsystemMgr::INIT);
762 //////////////////////////////////////////////////////////////////////
763 // Initialize the 2D cloud subsystem.
764 ////////////////////////////////////////////////////////////////////
765 fgGetBool("/sim/rendering/bump-mapping", false);
767 ////////////////////////////////////////////////////////////////////
768 // Initialize the canvas 2d drawing subsystem.
769 ////////////////////////////////////////////////////////////////////
770 simgear::canvas::Canvas::setSystemAdapter(
771 simgear::canvas::SystemAdapterPtr(new canvas::FGCanvasSystemAdapter)
773 globals->add_subsystem("Canvas", new CanvasMgr, SGSubsystemMgr::DISPLAY);
774 globals->add_subsystem("CanvasGUI", new GUIMgr, SGSubsystemMgr::DISPLAY);
776 ////////////////////////////////////////////////////////////////////
777 // Initialize the ATC subsystem
778 ////////////////////////////////////////////////////////////////////
779 globals->add_subsystem("ATC", new FGATCManager, SGSubsystemMgr::POST_FDM);
781 ////////////////////////////////////////////////////////////////////
782 // Initialize multiplayer subsystem
783 ////////////////////////////////////////////////////////////////////
785 globals->add_subsystem("mp", new FGMultiplayMgr, SGSubsystemMgr::POST_FDM);
787 ////////////////////////////////////////////////////////////////////
788 // Initialise the AI Model Manager
789 ////////////////////////////////////////////////////////////////////
790 SG_LOG(SG_GENERAL, SG_INFO, " AI Model Manager");
791 globals->add_subsystem("ai-model", new FGAIManager, SGSubsystemMgr::POST_FDM);
792 globals->add_subsystem("submodel-mgr", new FGSubmodelMgr, SGSubsystemMgr::POST_FDM);
795 // It's probably a good idea to initialize the top level traffic manager
796 // After the AI and ATC systems have been initialized properly.
797 // AI Traffic manager
798 globals->add_subsystem("traffic-manager", new FGTrafficManager, SGSubsystemMgr::POST_FDM);
800 ////////////////////////////////////////////////////////////////////
801 // Add a new 2D panel.
802 ////////////////////////////////////////////////////////////////////
804 fgSetArchivable("/sim/panel/visibility");
805 fgSetArchivable("/sim/panel/x-offset");
806 fgSetArchivable("/sim/panel/y-offset");
807 fgSetArchivable("/sim/panel/jitter");
809 ////////////////////////////////////////////////////////////////////
810 // Initialize the controls subsystem.
811 ////////////////////////////////////////////////////////////////////
813 globals->add_subsystem("controls", new FGControls, SGSubsystemMgr::GENERAL);
815 ////////////////////////////////////////////////////////////////////
816 // Initialize the input subsystem.
817 ////////////////////////////////////////////////////////////////////
819 globals->add_subsystem("input", new FGInput, SGSubsystemMgr::GENERAL);
822 ////////////////////////////////////////////////////////////////////
823 // Initialize the replay subsystem
824 ////////////////////////////////////////////////////////////////////
825 globals->add_subsystem("replay", new FGReplay);
826 globals->add_subsystem("history", new FGFlightHistory);
828 #ifdef ENABLE_AUDIO_SUPPORT
829 ////////////////////////////////////////////////////////////////////
830 // Initialize the sound-effects subsystem.
831 ////////////////////////////////////////////////////////////////////
832 globals->add_subsystem("voice", new FGVoiceMgr, SGSubsystemMgr::DISPLAY);
836 ////////////////////////////////////////////////////////////////////
837 // Initialize the FGCom subsystem.
838 ////////////////////////////////////////////////////////////////////
839 globals->add_subsystem("fgcom", new FGCom);
843 SGSubsystem * httpd = flightgear::http::FGHttpd::createInstance( fgGetNode(flightgear::http::PROPERTY_ROOT) );
845 globals->add_subsystem("httpd", httpd );
848 ////////////////////////////////////////////////////////////////////
849 // Initialize the lighting subsystem.
850 ////////////////////////////////////////////////////////////////////
852 // ordering here is important : Nasal (via events), then models, then views
854 globals->add_subsystem("lighting", new FGLight, SGSubsystemMgr::DISPLAY);
855 globals->add_subsystem("events", globals->get_event_mgr(), SGSubsystemMgr::DISPLAY);
858 globals->add_subsystem("aircraft-model", new FGAircraftModel, SGSubsystemMgr::DISPLAY);
859 globals->add_subsystem("model-manager", new FGModelMgr, SGSubsystemMgr::DISPLAY);
861 globals->add_subsystem("view-manager", new FGViewMgr, SGSubsystemMgr::DISPLAY);
863 globals->add_subsystem("tile-manager", globals->get_tile_mgr(),
864 SGSubsystemMgr::DISPLAY);
867 void fgPostInitSubsystems()
872 ////////////////////////////////////////////////////////////////////////
873 // Initialize the Nasal interpreter.
874 // Do this last, so that the loaded scripts see initialized state
875 ////////////////////////////////////////////////////////////////////////
876 FGNasalSys* nasal = new FGNasalSys();
877 globals->add_subsystem("nasal", nasal, SGSubsystemMgr::INIT);
879 SG_LOG(SG_GENERAL, SG_INFO, "Nasal init took:" << st.elapsedMSec());
881 // Ensure IOrules and path validation are working properly by trying to
882 // access a folder/file which should never be accessible.
883 const char* no_access_path =
889 if( fgValidatePath(no_access_path, true) )
894 "Check your IOrules! (write to '" << no_access_path << "' is allowed)"
896 if( fgValidatePath(no_access_path, false) )
901 "Check your IOrules! (read from '" << no_access_path << "' is allowed)"
904 // initialize methods that depend on other subsystems.
906 globals->get_subsystem_mgr()->postinit();
907 SG_LOG(SG_GENERAL, SG_INFO, "Subsystems postinit took:" << st.elapsedMSec());
909 ////////////////////////////////////////////////////////////////////////
910 // End of subsystem initialization.
911 ////////////////////////////////////////////////////////////////////
913 fgSetBool("/sim/crashed", false);
914 fgSetBool("/sim/initialized", true);
916 SG_LOG( SG_GENERAL, SG_INFO, endl);
919 // re-position is a simplified version of the traditional (legacy)
920 // reset procedure. We only need to poke systems which will be upset by
921 // a sudden change in aircraft position. Since this potentially includes
922 // Nasal, we trigger the 'reinit' signal.
923 void fgStartReposition()
925 SGPropertyNode *master_freeze = fgGetNode("/sim/freeze/master");
926 SG_LOG( SG_GENERAL, SG_INFO, "fgStartReposition()");
928 // ensure we are frozen
929 bool freeze = master_freeze->getBoolValue();
931 master_freeze->setBoolValue(true);
934 // set this signal so Nasal scripts can take action.
935 fgSetBool("/sim/signals/reinit", true);
936 fgSetBool("/sim/crashed", false);
938 FDMShell* fdm = static_cast<FDMShell*>(globals->get_subsystem("flight"));
941 // update our position based on current presets
942 // this will mark position as needed finalized which we'll do in the
944 flightgear::initPosition();
946 simgear::SGTerraSync* terraSync =
947 static_cast<simgear::SGTerraSync*>(globals->get_subsystem("terrasync"));
949 terraSync->reposition();
952 // Initialize the FDM
953 globals->get_subsystem("flight")->reinit();
955 // reset replay buffers
956 globals->get_subsystem("replay")->reinit();
958 // ugly: finalizePosition waits for METAR to arrive for the new airport.
959 // we don't re-init the environment manager here, since historically we did
960 // not, and doing so seems to have other issues. All that's needed is to
961 // schedule METAR fetch immediately, so it's available for finalizePosition.
962 // So we manually extract the METAR-fetching component inside the environment
963 // manager, and re-init that.
964 SGSubsystemGroup* envMgr = static_cast<SGSubsystemGroup*>(globals->get_subsystem("environment"));
966 envMgr->get_subsystem("realwx")->reinit();
969 // need to bind FDMshell again, since we manually unbound it above...
972 // need to reset aircraft (systems/instruments/autopilot)
973 // so they can adapt to current environment
974 globals->get_subsystem("systems")->reinit();
975 globals->get_subsystem("instrumentation")->reinit();
976 globals->get_subsystem("xml-autopilot")->reinit();
978 // setup state to end re-init
979 fgSetBool("/sim/signals/reinit", false);
981 master_freeze->setBoolValue(false);
983 fgSetBool("/sim/sceneryloaded",false);
986 void fgStartNewReset()
988 SGPropertyNode_ptr preserved(new SGPropertyNode);
990 if (!copyPropertiesWithAttribute(globals->get_props(), preserved, SGPropertyNode::PRESERVE))
991 SG_LOG(SG_GENERAL, SG_ALERT, "Error saving preserved state");
993 fgSetBool("/sim/signals/reinit", true);
994 fgSetBool("/sim/freeze/master", true);
996 SGSubsystemMgr* subsystemManger = globals->get_subsystem_mgr();
997 // Nasal is manually inited in fgPostInit, ensure it's already shutdown
998 // before other subsystems, so Nasal listeners don't fire during shutdonw
999 SGSubsystem* nasal = subsystemManger->get_subsystem("nasal");
1002 subsystemManger->remove("nasal");
1004 subsystemManger->shutdown();
1005 subsystemManger->unbind();
1007 // remove most subsystems, with a few exceptions.
1008 for (int g=0; g<SGSubsystemMgr::MAX_GROUPS; ++g) {
1009 SGSubsystemGroup* grp = subsystemManger->get_group(static_cast<SGSubsystemMgr::GroupType>(g));
1010 const string_list& names(grp->member_names());
1011 string_list::const_iterator it;
1012 for (it = names.begin(); it != names.end(); ++it) {
1013 if ((*it == "time") || (*it == "terrasync") || (*it == "events")
1014 || (*it == "lighting"))
1020 subsystemManger->remove(it->c_str());
1021 } catch (std::exception& e) {
1022 SG_LOG(SG_GENERAL, SG_INFO, "caught std::exception shutting down:" << *it);
1024 SG_LOG(SG_GENERAL, SG_INFO, "caught generic exception shutting down:" << *it);
1027 // don't delete here, dropping the ref should be sufficient
1029 } // of top-level groups iteration
1031 FGRenderer* render = globals->get_renderer();
1032 // needed or we crash in multi-threaded OSG mode
1033 render->getViewer()->stopThreading();
1035 // order is important here since tile-manager shutdown needs to
1036 // access the scenery object
1037 globals->set_tile_mgr(NULL);
1038 globals->set_scenery(NULL);
1039 FGScenery::getPagerSingleton()->clearRequests();
1040 flightgear::CameraGroup::setDefault(NULL);
1042 // don't cancel the pager until after shutdown, since AIModels (and
1043 // potentially others) can queue delete requests on the pager.
1044 render->getViewer()->getDatabasePager()->cancel();
1045 render->getViewer()->getDatabasePager()->clear();
1047 osgDB::Registry::instance()->clearObjectCache();
1049 // preserve the event handler; re-creating it would entail fixing the
1051 osg::ref_ptr<flightgear::FGEventHandler> eventHandler = render->getEventHandler();
1053 globals->set_renderer(NULL);
1054 globals->set_matlib(NULL);
1055 globals->set_chatter_queue(NULL);
1057 simgear::clearEffectCache();
1058 simgear::SGModelLib::resetPropertyRoot();
1060 simgear::GlobalParticleCallback::setSwitch(NULL);
1062 globals->resetPropertyRoot();
1063 // otherwise channels are duplicated
1064 globals->get_channel_options_list()->clear();
1066 fgInitConfig(0, NULL, true);
1067 fgInitGeneral(); // all of this?
1069 flightgear::Options::sharedInstance()->processOptions();
1071 // PRESERVED properties over-write state from options, intentionally
1072 if ( copyProperties(preserved, globals->get_props()) ) {
1073 SG_LOG( SG_GENERAL, SG_INFO, "Preserved state restored successfully" );
1075 SG_LOG( SG_GENERAL, SG_INFO,
1076 "Some errors restoring preserved state (read-only props?)" );
1079 fgGetNode("/sim")->removeChild("aircraft-dir");
1080 fgInitAircraft(true);
1082 render = new FGRenderer;
1083 render->setEventHandler(eventHandler);
1084 eventHandler->reset();
1085 globals->set_renderer(render);
1087 render->setViewer(viewer.get());
1089 viewer->getDatabasePager()->setUpThreads(1, 1);
1091 // must do this before splashinit for Rembrandt
1092 flightgear::CameraGroup::buildDefaultGroup(viewer.get());
1093 render->splashinit();
1094 viewer->startThreading();
1096 fgOSResetProperties();
1098 // init some things manually
1099 // which do not follow the regular init pattern
1101 globals->get_event_mgr()->init();
1102 globals->get_event_mgr()->setRealtimeProperty(fgGetNode("/sim/time/delta-realtime-sec", true));
1104 globals->set_matlib( new SGMaterialLib );
1106 // terra-sync needs the property tree root, pass it back in
1107 simgear::SGTerraSync* terra_sync = static_cast<simgear::SGTerraSync*>(subsystemManger->get_subsystem("terrasync"));
1108 terra_sync->setRoot(globals->get_props());
1110 fgSetBool("/sim/signals/reinit", false);
1111 fgSetBool("/sim/freeze/master", false);
1112 fgSetBool("/sim/sceneryloaded",false);