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 <ATC/atc_mgr.hxx>
83 #include <Autopilot/route_mgr.hxx>
84 #include <Autopilot/autopilotgroup.hxx>
86 #include <Cockpit/panel.hxx>
87 #include <Cockpit/panel_io.hxx>
89 #include <Canvas/canvas_mgr.hxx>
90 #include <Canvas/gui_mgr.hxx>
91 #include <Canvas/FGCanvasSystemAdapter.hxx>
92 #include <GUI/new_gui.hxx>
93 #include <GUI/MessageBox.hxx>
94 #include <Input/input.hxx>
95 #include <Instrumentation/instrument_mgr.hxx>
96 #include <Model/acmodel.hxx>
97 #include <Model/modelmgr.hxx>
98 #include <AIModel/submodel.hxx>
99 #include <AIModel/AIManager.hxx>
100 #include <Navaids/navdb.hxx>
101 #include <Navaids/navlist.hxx>
102 #include <Scenery/scenery.hxx>
103 #include <Scenery/tilemgr.hxx>
104 #include <Scripting/NasalSys.hxx>
105 #include <Sound/voice.hxx>
106 #include <Sound/soundmanager.hxx>
107 #include <Systems/system_mgr.hxx>
108 #include <Time/light.hxx>
109 #include <Time/TimeManager.hxx>
111 #include <Traffic/TrafficMgr.hxx>
112 #include <MultiPlayer/multiplaymgr.hxx>
113 #include <FDM/fdm_shell.hxx>
114 #include <Environment/ephemeris.hxx>
115 #include <Environment/environment_mgr.hxx>
116 #include <Viewer/renderer.hxx>
117 #include <Viewer/viewmgr.hxx>
118 #include <Viewer/FGEventHandler.hxx>
119 #include <Navaids/NavDataCache.hxx>
120 #include <Instrumentation/HUD/HUD.hxx>
121 #include <Cockpit/cockpitDisplayManager.hxx>
122 #include <Network/HTTPClient.hxx>
123 #include <Network/fgcom.hxx>
124 #include <Network/http/httpd.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()
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
422 fgSetBool("/sim/fghome-readonly", false);
425 flightgear::fatalMessageBox("File permissions problem",
426 "Can't write to user-data storage folder, check file permissions and FG_HOME.",
427 "User-data at:" + dataPath.str());
432 // Read in configuration (file and command line)
433 int fgInitConfig ( int argc, char **argv, bool reinit )
435 SGPath dataPath = globals->get_fg_home();
437 simgear::Dir exportDir(simgear::Dir(dataPath).file("Export"));
438 if (!exportDir.exists()) {
439 exportDir.create(0755);
442 // Set /sim/fg-home and don't allow malign code to override it until
443 // Nasal security is set up. Use FG_HOME if necessary.
444 SGPropertyNode *home = fgGetNode("/sim", true);
445 home->removeChild("fg-home", 0);
446 home = home->getChild("fg-home", 0, true);
447 home->setStringValue(dataPath.c_str());
448 home->setAttribute(SGPropertyNode::WRITE, false);
451 flightgear::Options* options = flightgear::Options::sharedInstance();
453 options->init(argc, argv, dataPath);
456 bool loadDefaults = options->shouldLoadDefaultConfig();
458 // Read global preferences from $FG_ROOT/preferences.xml
459 SG_LOG(SG_INPUT, SG_INFO, "Reading global preferences");
460 fgLoadProps("preferences.xml", globals->get_props());
461 SG_LOG(SG_INPUT, SG_INFO, "Finished Reading global preferences");
463 // do not load user settings when reset to default is requested, or if
464 // told to explicitly ignore
465 if (options->isOptionSet("restore-defaults") || options->isOptionSet("ignore-autosave"))
467 SG_LOG(SG_ALL, SG_ALERT, "Ignoring user settings. Restoring defaults.");
471 globals->loadUserSettings(dataPath);
474 SG_LOG(SG_GENERAL, SG_INFO, "not reading default configuration files");
475 }// of no-default-config selected
477 return flightgear::FG_OPTIONS_OK;
480 int fgInitAircraft(bool reinit)
482 // Scan user config files and command line for a specified aircraft.
484 SGPropertyNode* sim = fgGetNode("/sim", true);
485 sim->removeChildren("fg-aircraft");
486 // after reset, add aircraft dirs to props, neede for Nasal IO rules
487 string_list::const_iterator it;
489 for (it = globals->get_aircraft_paths().begin();
490 it != globals->get_aircraft_paths().end(); ++it, ++index)
492 SGPropertyNode* n = sim->getChild("fg-aircraft", index, true);
493 n->setStringValue(*it);
494 n->setAttribute(SGPropertyNode::WRITE, false);
498 SGPropertyNode* aircraftProp = fgGetNode("/sim/aircraft", true);
499 aircraftProp->setAttribute(SGPropertyNode::PRESERVE, true);
501 flightgear::Options::sharedInstance()->initAircraft();
504 FindAndCacheAircraft f(globals->get_props());
505 if (!f.loadAircraft()) {
506 return flightgear::FG_OPTIONS_ERROR;
509 return flightgear::FG_OPTIONS_OK;
513 * Initialize vor/ndb/ils/fix list management and query systems (as
514 * well as simple airport db list)
515 * This is called multiple times in the case of a cache rebuild,
516 * to allow lengthy caching to take place in the background, without
517 * blocking the main/UI thread.
522 flightgear::NavDataCache* cache = flightgear::NavDataCache::instance();
523 static bool doingRebuild = false;
524 if (doingRebuild || cache->isRebuildRequired()) {
526 bool finished = cache->rebuild();
528 // sleep to give the rebuild thread more time
529 SGTimeStamp::sleepForMSec(50);
534 FGTACANList *channellist = new FGTACANList;
535 globals->set_channellist( channellist );
537 SGPath path(globals->get_fg_root());
538 path.append( "Navaids/TACAN_freq.dat" );
539 flightgear::loadTacan(path, channellist);
544 // General house keeping initializations
545 bool fgInitGeneral() {
548 SG_LOG( SG_GENERAL, SG_INFO, "General Initialization" );
549 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
551 root = globals->get_fg_root();
552 if ( ! root.length() ) {
553 // No root path set? Then bail ...
554 SG_LOG( SG_GENERAL, SG_ALERT,
555 "Cannot continue without a path to the base package "
556 << "being defined." );
559 SG_LOG( SG_GENERAL, SG_INFO, "FG_ROOT = " << '"' << root << '"' << endl );
561 // Note: browser command is hard-coded for Mac/Windows, so this only affects other platforms
562 globals->set_browser(fgGetString("/sim/startup/browser-app", WEB_BROWSER));
563 fgSetString("/sim/startup/browser-app", globals->get_browser());
565 simgear::Dir cwd(simgear::Dir::current());
566 SGPropertyNode *curr = fgGetNode("/sim", true);
567 curr->removeChild("fg-current", 0);
568 curr = curr->getChild("fg-current", 0, true);
569 curr->setStringValue(cwd.path().str());
570 curr->setAttribute(SGPropertyNode::WRITE, false);
572 fgSetBool("/sim/startup/stdout-to-terminal", isatty(1) != 0 );
573 fgSetBool("/sim/startup/stderr-to-terminal", isatty(2) != 0 );
577 // Write various configuraton values out to the logs
578 void fgOutputSettings()
580 SG_LOG( SG_GENERAL, SG_INFO, "Configuration State" );
581 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
583 SG_LOG( SG_GENERAL, SG_INFO, "aircraft-dir = " << '"' << fgGetString("/sim/aircraft-dir") << '"' );
584 SG_LOG( SG_GENERAL, SG_INFO, "fghome-dir = " << '"' << globals->get_fg_home() << '"');
585 SG_LOG( SG_GENERAL, SG_INFO, "aircraft-dir = " << '"' << fgGetString("/sim/aircraft-dir") << '"');
587 SG_LOG( SG_GENERAL, SG_INFO, "aircraft-search-paths = \n\t" << simgear::strutils::join(globals->get_aircraft_paths(), "\n\t") );
588 SG_LOG( SG_GENERAL, SG_INFO, "scenery-search-paths = \n\t" << simgear::strutils::join(globals->get_fg_scenery(), "\n\t") );
591 // This is the top level init routine which calls all the other
592 // initialization routines. If you are adding a subsystem to flight
593 // gear, its initialization call should located in this routine.
594 // Returns non-zero if a problem encountered.
595 void fgCreateSubsystems(bool duringReset) {
597 SG_LOG( SG_GENERAL, SG_INFO, "Creating Subsystems");
598 SG_LOG( SG_GENERAL, SG_INFO, "========== ==========");
600 ////////////////////////////////////////////////////////////////////
601 // Initialize the sound subsystem.
602 ////////////////////////////////////////////////////////////////////
603 // Sound manager uses an own subsystem group "SOUND" which is the last
604 // to be updated in every loop.
605 // Sound manager is updated last so it can use the CPU while the GPU
606 // is processing the scenery (doubled the frame-rate for me) -EMH-
607 globals->add_subsystem("sound", new FGSoundManager, SGSubsystemMgr::SOUND);
609 ////////////////////////////////////////////////////////////////////
610 // Initialize the event manager subsystem.
611 ////////////////////////////////////////////////////////////////////
613 globals->get_event_mgr()->init();
614 globals->get_event_mgr()->setRealtimeProperty(fgGetNode("/sim/time/delta-realtime-sec", true));
616 ////////////////////////////////////////////////////////////////////
617 // Initialize the property interpolator subsystem. Put into the INIT
618 // group because the "nasal" subsystem may need it at GENERAL take-down.
619 ////////////////////////////////////////////////////////////////////
620 FGInterpolator* interp = new FGInterpolator;
621 interp->setRealtimeProperty(fgGetNode("/sim/time/delta-realtime-sec", true));
622 globals->add_subsystem("prop-interpolator", interp, SGSubsystemMgr::INIT);
623 SGPropertyNode::setInterpolationMgr(interp);
625 ////////////////////////////////////////////////////////////////////
626 // Add the FlightGear property utilities.
627 ////////////////////////////////////////////////////////////////////
628 globals->add_subsystem("properties", new FGProperties);
631 ////////////////////////////////////////////////////////////////////
632 // Add the performance monitoring system.
633 ////////////////////////////////////////////////////////////////////
634 globals->add_subsystem("performance-mon",
635 new SGPerformanceMonitor(globals->get_subsystem_mgr(),
636 fgGetNode("/sim/performance-monitor", true)));
638 ////////////////////////////////////////////////////////////////////
639 // Initialize the material property subsystem.
640 ////////////////////////////////////////////////////////////////////
642 SGPath mpath( globals->get_fg_root() );
643 mpath.append( fgGetString("/sim/rendering/materials-file") );
644 if ( ! globals->get_matlib()->load(globals->get_fg_root(), mpath.str(),
645 globals->get_props()) ) {
646 throw sg_io_exception("Error loading materials file", mpath);
649 globals->add_subsystem( "http", new FGHTTPClient );
651 ////////////////////////////////////////////////////////////////////
652 // Initialize the scenery management subsystem.
653 ////////////////////////////////////////////////////////////////////
655 globals->get_scenery()->get_scene_graph()
656 ->addChild(simgear::Particles::getCommonRoot());
657 simgear::GlobalParticleCallback::setSwitch(fgGetNode("/sim/rendering/particles", true));
659 ////////////////////////////////////////////////////////////////////
660 // Initialize the flight model subsystem.
661 ////////////////////////////////////////////////////////////////////
663 globals->add_subsystem("flight", new FDMShell, SGSubsystemMgr::FDM);
665 ////////////////////////////////////////////////////////////////////
666 // Initialize the weather subsystem.
667 ////////////////////////////////////////////////////////////////////
669 // Initialize the weather modeling subsystem
670 globals->add_subsystem("environment", new FGEnvironmentMgr);
671 globals->add_subsystem("ephemeris", new Ephemeris);
673 ////////////////////////////////////////////////////////////////////
674 // Initialize the aircraft systems and instrumentation (before the
676 ////////////////////////////////////////////////////////////////////
678 globals->add_subsystem("systems", new FGSystemMgr, SGSubsystemMgr::FDM);
679 globals->add_subsystem("instrumentation", new FGInstrumentMgr, SGSubsystemMgr::FDM);
680 globals->add_subsystem("hud", new HUD, SGSubsystemMgr::DISPLAY);
681 globals->add_subsystem("cockpit-displays", new flightgear::CockpitDisplayManager, SGSubsystemMgr::DISPLAY);
683 ////////////////////////////////////////////////////////////////////
684 // Initialize the XML Autopilot subsystem.
685 ////////////////////////////////////////////////////////////////////
687 globals->add_subsystem( "xml-autopilot", FGXMLAutopilotGroup::createInstance("autopilot"), SGSubsystemMgr::FDM );
688 globals->add_subsystem( "xml-proprules", FGXMLAutopilotGroup::createInstance("property-rule"), SGSubsystemMgr::GENERAL );
689 globals->add_subsystem( "route-manager", new FGRouteMgr );
691 ////////////////////////////////////////////////////////////////////
692 // Initialize the Input-Output subsystem
693 ////////////////////////////////////////////////////////////////////
694 globals->add_subsystem( "io", new FGIO );
696 ////////////////////////////////////////////////////////////////////
697 // Create and register the logger.
698 ////////////////////////////////////////////////////////////////////
700 globals->add_subsystem("logger", new FGLogger);
702 ////////////////////////////////////////////////////////////////////
703 // Create and register the XML GUI.
704 ////////////////////////////////////////////////////////////////////
706 globals->add_subsystem("gui", new NewGUI, SGSubsystemMgr::INIT);
708 //////////////////////////////////////////////////////////////////////
709 // Initialize the 2D cloud subsystem.
710 ////////////////////////////////////////////////////////////////////
711 fgGetBool("/sim/rendering/bump-mapping", false);
713 ////////////////////////////////////////////////////////////////////
714 // Initialize the canvas 2d drawing subsystem.
715 ////////////////////////////////////////////////////////////////////
716 simgear::canvas::Canvas::setSystemAdapter(
717 simgear::canvas::SystemAdapterPtr(new canvas::FGCanvasSystemAdapter)
719 globals->add_subsystem("Canvas", new CanvasMgr, SGSubsystemMgr::DISPLAY);
720 globals->add_subsystem("CanvasGUI", new GUIMgr, SGSubsystemMgr::DISPLAY);
722 ////////////////////////////////////////////////////////////////////
723 // Initialize the ATC subsystem
724 ////////////////////////////////////////////////////////////////////
725 globals->add_subsystem("ATC", new FGATCManager, SGSubsystemMgr::POST_FDM);
727 ////////////////////////////////////////////////////////////////////
728 // Initialize multiplayer subsystem
729 ////////////////////////////////////////////////////////////////////
731 globals->add_subsystem("mp", new FGMultiplayMgr, SGSubsystemMgr::POST_FDM);
733 ////////////////////////////////////////////////////////////////////
734 // Initialise the AI Model Manager
735 ////////////////////////////////////////////////////////////////////
736 SG_LOG(SG_GENERAL, SG_INFO, " AI Model Manager");
737 globals->add_subsystem("ai-model", new FGAIManager, SGSubsystemMgr::POST_FDM);
738 globals->add_subsystem("submodel-mgr", new FGSubmodelMgr, SGSubsystemMgr::POST_FDM);
741 // It's probably a good idea to initialize the top level traffic manager
742 // After the AI and ATC systems have been initialized properly.
743 // AI Traffic manager
744 globals->add_subsystem("traffic-manager", new FGTrafficManager, SGSubsystemMgr::POST_FDM);
746 ////////////////////////////////////////////////////////////////////
747 // Add a new 2D panel.
748 ////////////////////////////////////////////////////////////////////
750 fgSetArchivable("/sim/panel/visibility");
751 fgSetArchivable("/sim/panel/x-offset");
752 fgSetArchivable("/sim/panel/y-offset");
753 fgSetArchivable("/sim/panel/jitter");
755 ////////////////////////////////////////////////////////////////////
756 // Initialize the controls subsystem.
757 ////////////////////////////////////////////////////////////////////
759 globals->add_subsystem("controls", new FGControls, SGSubsystemMgr::GENERAL);
761 ////////////////////////////////////////////////////////////////////
762 // Initialize the input subsystem.
763 ////////////////////////////////////////////////////////////////////
765 globals->add_subsystem("input", new FGInput, SGSubsystemMgr::GENERAL);
768 ////////////////////////////////////////////////////////////////////
769 // Initialize the replay subsystem
770 ////////////////////////////////////////////////////////////////////
771 globals->add_subsystem("replay", new FGReplay);
772 globals->add_subsystem("history", new FGFlightHistory);
774 #ifdef ENABLE_AUDIO_SUPPORT
775 ////////////////////////////////////////////////////////////////////
776 // Initialize the sound-effects subsystem.
777 ////////////////////////////////////////////////////////////////////
778 globals->add_subsystem("voice", new FGVoiceMgr, SGSubsystemMgr::DISPLAY);
782 ////////////////////////////////////////////////////////////////////
783 // Initialize the FGCom subsystem.
784 ////////////////////////////////////////////////////////////////////
785 globals->add_subsystem("fgcom", new FGCom);
789 SGSubsystem * httpd = flightgear::http::FGHttpd::createInstance( fgGetNode(flightgear::http::PROPERTY_ROOT) );
791 globals->add_subsystem("httpd", httpd );
794 ////////////////////////////////////////////////////////////////////
795 // Initialize the lighting subsystem.
796 ////////////////////////////////////////////////////////////////////
798 // ordering here is important : Nasal (via events), then models, then views
800 globals->add_subsystem("lighting", new FGLight, SGSubsystemMgr::DISPLAY);
801 globals->add_subsystem("events", globals->get_event_mgr(), SGSubsystemMgr::DISPLAY);
804 globals->add_subsystem("aircraft-model", new FGAircraftModel, SGSubsystemMgr::DISPLAY);
805 globals->add_subsystem("model-manager", new FGModelMgr, SGSubsystemMgr::DISPLAY);
807 globals->add_subsystem("view-manager", new FGViewMgr, SGSubsystemMgr::DISPLAY);
809 globals->add_subsystem("tile-manager", globals->get_tile_mgr(),
810 SGSubsystemMgr::DISPLAY);
813 void fgPostInitSubsystems()
818 ////////////////////////////////////////////////////////////////////////
819 // Initialize the Nasal interpreter.
820 // Do this last, so that the loaded scripts see initialized state
821 ////////////////////////////////////////////////////////////////////////
822 FGNasalSys* nasal = new FGNasalSys();
823 globals->add_subsystem("nasal", nasal, SGSubsystemMgr::INIT);
825 SG_LOG(SG_GENERAL, SG_INFO, "Nasal init took:" << st.elapsedMSec());
827 // Ensure IOrules and path validation are working properly by trying to
828 // access a folder/file which should never be accessible.
829 const char* no_access_path =
835 if( fgValidatePath(no_access_path, true) )
840 "Check your IOrules! (write to '" << no_access_path << "' is allowed)"
842 if( fgValidatePath(no_access_path, false) )
847 "Check your IOrules! (read from '" << no_access_path << "' is allowed)"
850 // initialize methods that depend on other subsystems.
852 globals->get_subsystem_mgr()->postinit();
853 SG_LOG(SG_GENERAL, SG_INFO, "Subsystems postinit took:" << st.elapsedMSec());
855 ////////////////////////////////////////////////////////////////////////
856 // End of subsystem initialization.
857 ////////////////////////////////////////////////////////////////////
859 fgSetBool("/sim/crashed", false);
860 fgSetBool("/sim/initialized", true);
862 SG_LOG( SG_GENERAL, SG_INFO, endl);
865 // re-position is a simplified version of the traditional (legacy)
866 // reset procedure. We only need to poke systems which will be upset by
867 // a sudden change in aircraft position. Since this potentially includes
868 // Nasal, we trigger the 'reinit' signal.
869 void fgStartReposition()
871 SGPropertyNode *master_freeze = fgGetNode("/sim/freeze/master");
872 SG_LOG( SG_GENERAL, SG_INFO, "fgStartReposition()");
874 // ensure we are frozen
875 bool freeze = master_freeze->getBoolValue();
877 master_freeze->setBoolValue(true);
880 // set this signal so Nasal scripts can take action.
881 fgSetBool("/sim/signals/reinit", true);
882 fgSetBool("/sim/crashed", false);
884 FDMShell* fdm = static_cast<FDMShell*>(globals->get_subsystem("flight"));
887 // update our position based on current presets
888 // this will mark position as needed finalized which we'll do in the
890 flightgear::initPosition();
892 simgear::SGTerraSync* terraSync =
893 static_cast<simgear::SGTerraSync*>(globals->get_subsystem("terrasync"));
895 terraSync->reposition();
898 // Initialize the FDM
899 globals->get_subsystem("flight")->reinit();
901 // reset replay buffers
902 globals->get_subsystem("replay")->reinit();
904 // ugly: finalizePosition waits for METAR to arrive for the new airport.
905 // we don't re-init the environment manager here, since historically we did
906 // not, and doing so seems to have other issues. All that's needed is to
907 // schedule METAR fetch immediately, so it's available for finalizePosition.
908 // So we manually extract the METAR-fetching component inside the environment
909 // manager, and re-init that.
910 SGSubsystemGroup* envMgr = static_cast<SGSubsystemGroup*>(globals->get_subsystem("environment"));
912 envMgr->get_subsystem("realwx")->reinit();
915 // need to bind FDMshell again, since we manually unbound it above...
918 // need to reset aircraft (systems/instruments/autopilot)
919 // so they can adapt to current environment
920 globals->get_subsystem("systems")->reinit();
921 globals->get_subsystem("instrumentation")->reinit();
922 globals->get_subsystem("xml-autopilot")->reinit();
924 // setup state to end re-init
925 fgSetBool("/sim/signals/reinit", false);
927 master_freeze->setBoolValue(false);
929 fgSetBool("/sim/sceneryloaded",false);
932 void fgStartNewReset()
934 SGPropertyNode_ptr preserved(new SGPropertyNode);
936 if (!copyPropertiesWithAttribute(globals->get_props(), preserved, SGPropertyNode::PRESERVE))
937 SG_LOG(SG_GENERAL, SG_ALERT, "Error saving preserved state");
939 fgSetBool("/sim/signals/reinit", true);
940 fgSetBool("/sim/freeze/master", true);
942 SGSubsystemMgr* subsystemManger = globals->get_subsystem_mgr();
943 // Nasal is manually inited in fgPostInit, ensure it's already shutdown
944 // before other subsystems, so Nasal listeners don't fire during shutdonw
945 SGSubsystem* nasal = subsystemManger->get_subsystem("nasal");
948 subsystemManger->remove("nasal");
950 subsystemManger->shutdown();
951 subsystemManger->unbind();
953 // remove most subsystems, with a few exceptions.
954 for (int g=0; g<SGSubsystemMgr::MAX_GROUPS; ++g) {
955 SGSubsystemGroup* grp = subsystemManger->get_group(static_cast<SGSubsystemMgr::GroupType>(g));
956 const string_list& names(grp->member_names());
957 string_list::const_iterator it;
958 for (it = names.begin(); it != names.end(); ++it) {
959 if ((*it == "time") || (*it == "terrasync") || (*it == "events")
960 || (*it == "lighting"))
966 subsystemManger->remove(it->c_str());
967 } catch (std::exception& e) {
968 SG_LOG(SG_GENERAL, SG_INFO, "caught std::exception shutting down:" << *it);
970 SG_LOG(SG_GENERAL, SG_INFO, "caught generic exception shutting down:" << *it);
973 // don't delete here, dropping the ref should be sufficient
975 } // of top-level groups iteration
977 FGRenderer* render = globals->get_renderer();
978 // needed or we crash in multi-threaded OSG mode
979 render->getViewer()->stopThreading();
981 // order is important here since tile-manager shutdown needs to
982 // access the scenery object
983 globals->set_tile_mgr(NULL);
984 globals->set_scenery(NULL);
985 flightgear::CameraGroup::setDefault(NULL);
987 // don't cancel the pager until after shutdown, since AIModels (and
988 // potentially others) can queue delete requests on the pager.
989 render->getViewer()->getDatabasePager()->cancel();
990 render->getViewer()->getDatabasePager()->clear();
992 osgDB::Registry::instance()->clearObjectCache();
994 // preserve the event handler; re-creating it would entail fixing the
996 osg::ref_ptr<flightgear::FGEventHandler> eventHandler = render->getEventHandler();
998 globals->set_renderer(NULL);
999 globals->set_matlib(NULL);
1000 globals->set_chatter_queue(NULL);
1002 simgear::clearEffectCache();
1003 simgear::SGModelLib::resetPropertyRoot();
1005 simgear::GlobalParticleCallback::setSwitch(NULL);
1007 globals->resetPropertyRoot();
1008 fgInitConfig(0, NULL, true);
1009 fgInitGeneral(); // all of this?
1011 flightgear::Options::sharedInstance()->processOptions();
1013 // PRESERVED properties over-write state from options, intentionally
1014 if ( copyProperties(preserved, globals->get_props()) ) {
1015 SG_LOG( SG_GENERAL, SG_INFO, "Preserved state restored successfully" );
1017 SG_LOG( SG_GENERAL, SG_INFO,
1018 "Some errors restoring preserved state (read-only props?)" );
1021 fgGetNode("/sim")->removeChild("aircraft-dir");
1022 fgInitAircraft(true);
1024 render = new FGRenderer;
1025 render->setEventHandler(eventHandler);
1026 eventHandler->reset();
1027 globals->set_renderer(render);
1029 render->setViewer(viewer.get());
1031 viewer->getDatabasePager()->setUpThreads(1, 1);
1033 // must do this before splashinit for Rembrandt
1034 flightgear::CameraGroup::buildDefaultGroup(viewer.get());
1035 render->splashinit();
1036 viewer->startThreading();
1038 fgOSResetProperties();
1040 // init some things manually
1041 // which do not follow the regular init pattern
1043 globals->get_event_mgr()->init();
1044 globals->get_event_mgr()->setRealtimeProperty(fgGetNode("/sim/time/delta-realtime-sec", true));
1046 globals->set_matlib( new SGMaterialLib );
1048 // terra-sync needs the property tree root, pass it back in
1049 simgear::SGTerraSync* terra_sync = static_cast<simgear::SGTerraSync*>(subsystemManger->get_subsystem("terrasync"));
1050 terra_sync->setRoot(globals->get_props());
1052 fgSetBool("/sim/signals/reinit", false);
1053 fgSetBool("/sim/freeze/master", false);
1054 fgSetBool("/sim/sceneryloaded",false);