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");
493 string_list::const_iterator it;
495 for (it = globals->get_aircraft_paths().begin();
496 it != globals->get_aircraft_paths().end(); ++it, ++index)
498 SGPropertyNode* n = sim->getChild("fg-aircraft", index, true);
499 n->setStringValue(*it);
500 n->setAttribute(SGPropertyNode::WRITE, false);
504 int fgInitAircraft(bool reinit)
507 // FIXME - use Documents/FlightGear/Aircraft
508 SGPath userAircraftDir = globals->get_fg_home();
509 userAircraftDir.append("Aircraft");
511 SGSharedPtr<Root> pkgRoot(new Root(userAircraftDir, FLIGHTGEAR_VERSION));
512 // set the http client later (too early in startup right now)
513 globals->setPackageRoot(pkgRoot);
516 SGSharedPtr<Root> pkgRoot(globals->packageRoot());
517 SGPropertyNode* aircraftProp = fgGetNode("/sim/aircraft", true);
518 aircraftProp->setAttribute(SGPropertyNode::PRESERVE, true);
521 flightgear::Options::sharedInstance()->initAircraft();
524 PackageRef acftPackage = pkgRoot->getPackageById(aircraftProp->getStringValue());
526 if (acftPackage->isInstalled()) {
527 SG_LOG(SG_GENERAL, SG_INFO, "Loading aircraft from package:" << acftPackage->qualifiedId());
529 // set catalog path so intra-package dependencies within the catalog
530 // are resolved correctly.
531 globals->set_catalog_aircraft_path(acftPackage->catalog()->installRoot());
533 // set aircraft-dir to short circuit the search process
534 InstallRef acftInstall = acftPackage->install();
535 fgSetString("/sim/aircraft-dir", acftInstall->path().c_str());
537 // overwrite the fully qualified ID with the aircraft one, so the
538 // code in FindAndCacheAircraft works as normal
540 aircraftProp->setStringValue(acftPackage->id());
541 // run the traditional-code path below
544 // naturally the better option would be to on-demand install it!
545 flightgear::fatalMessageBox("Aircraft not installed",
546 "Requested aircraft is not currently installed.",
547 aircraftProp->getStringValue());
549 return flightgear::FG_OPTIONS_ERROR;
554 initAircraftDirsNasalSecurity();
556 FindAndCacheAircraft f(globals->get_props());
557 if (!f.loadAircraft()) {
558 return flightgear::FG_OPTIONS_ERROR;
561 return flightgear::FG_OPTIONS_OK;
565 * Initialize vor/ndb/ils/fix list management and query systems (as
566 * well as simple airport db list)
567 * This is called multiple times in the case of a cache rebuild,
568 * to allow lengthy caching to take place in the background, without
569 * blocking the main/UI thread.
574 flightgear::NavDataCache* cache = flightgear::NavDataCache::instance();
575 static bool doingRebuild = false;
576 if (doingRebuild || cache->isRebuildRequired()) {
578 bool finished = cache->rebuild();
580 // sleep to give the rebuild thread more time
581 SGTimeStamp::sleepForMSec(50);
586 FGTACANList *channellist = new FGTACANList;
587 globals->set_channellist( channellist );
589 SGPath path(globals->get_fg_root());
590 path.append( "Navaids/TACAN_freq.dat" );
591 flightgear::loadTacan(path, channellist);
596 // General house keeping initializations
597 bool fgInitGeneral() {
600 SG_LOG( SG_GENERAL, SG_INFO, "General Initialization" );
601 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
603 root = globals->get_fg_root();
604 if ( ! root.length() ) {
605 // No root path set? Then bail ...
606 SG_LOG( SG_GENERAL, SG_ALERT,
607 "Cannot continue without a path to the base package "
608 << "being defined." );
611 SG_LOG( SG_GENERAL, SG_INFO, "FG_ROOT = " << '"' << root << '"' << endl );
613 // Note: browser command is hard-coded for Mac/Windows, so this only affects other platforms
614 globals->set_browser(fgGetString("/sim/startup/browser-app", WEB_BROWSER));
615 fgSetString("/sim/startup/browser-app", globals->get_browser());
617 simgear::Dir cwd(simgear::Dir::current());
618 SGPropertyNode *curr = fgGetNode("/sim", true);
619 curr->removeChild("fg-current", 0);
620 curr = curr->getChild("fg-current", 0, true);
621 curr->setStringValue(cwd.path().str());
622 curr->setAttribute(SGPropertyNode::WRITE, false);
624 fgSetBool("/sim/startup/stdout-to-terminal", isatty(1) != 0 );
625 fgSetBool("/sim/startup/stderr-to-terminal", isatty(2) != 0 );
629 // Write various configuraton values out to the logs
630 void fgOutputSettings()
632 SG_LOG( SG_GENERAL, SG_INFO, "Configuration State" );
633 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
635 SG_LOG( SG_GENERAL, SG_INFO, "aircraft-dir = " << '"' << fgGetString("/sim/aircraft-dir") << '"' );
636 SG_LOG( SG_GENERAL, SG_INFO, "fghome-dir = " << '"' << globals->get_fg_home() << '"');
637 SG_LOG( SG_GENERAL, SG_INFO, "aircraft-dir = " << '"' << fgGetString("/sim/aircraft-dir") << '"');
639 SG_LOG( SG_GENERAL, SG_INFO, "aircraft-search-paths = \n\t" << simgear::strutils::join(globals->get_aircraft_paths(), "\n\t") );
640 SG_LOG( SG_GENERAL, SG_INFO, "scenery-search-paths = \n\t" << simgear::strutils::join(globals->get_fg_scenery(), "\n\t") );
643 // This is the top level init routine which calls all the other
644 // initialization routines. If you are adding a subsystem to flight
645 // gear, its initialization call should located in this routine.
646 // Returns non-zero if a problem encountered.
647 void fgCreateSubsystems(bool duringReset) {
649 SG_LOG( SG_GENERAL, SG_INFO, "Creating Subsystems");
650 SG_LOG( SG_GENERAL, SG_INFO, "========== ==========");
652 ////////////////////////////////////////////////////////////////////
653 // Initialize the sound subsystem.
654 ////////////////////////////////////////////////////////////////////
655 // Sound manager uses an own subsystem group "SOUND" which is the last
656 // to be updated in every loop.
657 // Sound manager is updated last so it can use the CPU while the GPU
658 // is processing the scenery (doubled the frame-rate for me) -EMH-
659 globals->add_subsystem("sound", new FGSoundManager, SGSubsystemMgr::SOUND);
661 ////////////////////////////////////////////////////////////////////
662 // Initialize the event manager subsystem.
663 ////////////////////////////////////////////////////////////////////
665 globals->get_event_mgr()->init();
666 globals->get_event_mgr()->setRealtimeProperty(fgGetNode("/sim/time/delta-realtime-sec", true));
668 ////////////////////////////////////////////////////////////////////
669 // Initialize the property interpolator subsystem. Put into the INIT
670 // group because the "nasal" subsystem may need it at GENERAL take-down.
671 ////////////////////////////////////////////////////////////////////
672 FGInterpolator* interp = new FGInterpolator;
673 interp->setRealtimeProperty(fgGetNode("/sim/time/delta-realtime-sec", true));
674 globals->add_subsystem("prop-interpolator", interp, SGSubsystemMgr::INIT);
675 SGPropertyNode::setInterpolationMgr(interp);
677 ////////////////////////////////////////////////////////////////////
678 // Add the FlightGear property utilities.
679 ////////////////////////////////////////////////////////////////////
680 globals->add_subsystem("properties", new FGProperties);
683 ////////////////////////////////////////////////////////////////////
684 // Add the performance monitoring system.
685 ////////////////////////////////////////////////////////////////////
686 globals->add_subsystem("performance-mon",
687 new SGPerformanceMonitor(globals->get_subsystem_mgr(),
688 fgGetNode("/sim/performance-monitor", true)));
690 ////////////////////////////////////////////////////////////////////
691 // Initialize the material property subsystem.
692 ////////////////////////////////////////////////////////////////////
694 SGPath mpath( globals->get_fg_root() );
695 mpath.append( fgGetString("/sim/rendering/materials-file") );
696 if ( ! globals->get_matlib()->load(globals->get_fg_root(), mpath.str(),
697 globals->get_props()) ) {
698 throw sg_io_exception("Error loading materials file", mpath);
701 globals->add_subsystem( "http", new FGHTTPClient );
703 ////////////////////////////////////////////////////////////////////
704 // Initialize the scenery management subsystem.
705 ////////////////////////////////////////////////////////////////////
707 globals->get_scenery()->get_scene_graph()
708 ->addChild(simgear::Particles::getCommonRoot());
709 simgear::GlobalParticleCallback::setSwitch(fgGetNode("/sim/rendering/particles", true));
711 ////////////////////////////////////////////////////////////////////
712 // Initialize the flight model subsystem.
713 ////////////////////////////////////////////////////////////////////
715 globals->add_subsystem("flight", new FDMShell, SGSubsystemMgr::FDM);
717 ////////////////////////////////////////////////////////////////////
718 // Initialize the weather subsystem.
719 ////////////////////////////////////////////////////////////////////
721 // Initialize the weather modeling subsystem
722 globals->add_subsystem("environment", new FGEnvironmentMgr);
723 globals->add_subsystem("ephemeris", new Ephemeris);
725 ////////////////////////////////////////////////////////////////////
726 // Initialize the aircraft systems and instrumentation (before the
728 ////////////////////////////////////////////////////////////////////
730 globals->add_subsystem("systems", new FGSystemMgr, SGSubsystemMgr::FDM);
731 globals->add_subsystem("instrumentation", new FGInstrumentMgr, SGSubsystemMgr::FDM);
732 globals->add_subsystem("hud", new HUD, SGSubsystemMgr::DISPLAY);
733 globals->add_subsystem("cockpit-displays", new flightgear::CockpitDisplayManager, SGSubsystemMgr::DISPLAY);
735 ////////////////////////////////////////////////////////////////////
736 // Initialize the XML Autopilot subsystem.
737 ////////////////////////////////////////////////////////////////////
739 globals->add_subsystem( "xml-autopilot", FGXMLAutopilotGroup::createInstance("autopilot"), SGSubsystemMgr::FDM );
740 globals->add_subsystem( "xml-proprules", FGXMLAutopilotGroup::createInstance("property-rule"), SGSubsystemMgr::GENERAL );
741 globals->add_subsystem( "route-manager", new FGRouteMgr );
743 ////////////////////////////////////////////////////////////////////
744 // Initialize the Input-Output subsystem
745 ////////////////////////////////////////////////////////////////////
746 globals->add_subsystem( "io", new FGIO );
748 ////////////////////////////////////////////////////////////////////
749 // Create and register the logger.
750 ////////////////////////////////////////////////////////////////////
752 globals->add_subsystem("logger", new FGLogger);
754 ////////////////////////////////////////////////////////////////////
755 // Create and register the XML GUI.
756 ////////////////////////////////////////////////////////////////////
758 globals->add_subsystem("gui", new NewGUI, SGSubsystemMgr::INIT);
760 //////////////////////////////////////////////////////////////////////
761 // Initialize the 2D cloud subsystem.
762 ////////////////////////////////////////////////////////////////////
763 fgGetBool("/sim/rendering/bump-mapping", false);
765 ////////////////////////////////////////////////////////////////////
766 // Initialize the canvas 2d drawing subsystem.
767 ////////////////////////////////////////////////////////////////////
768 simgear::canvas::Canvas::setSystemAdapter(
769 simgear::canvas::SystemAdapterPtr(new canvas::FGCanvasSystemAdapter)
771 globals->add_subsystem("Canvas", new CanvasMgr, SGSubsystemMgr::DISPLAY);
772 globals->add_subsystem("CanvasGUI", new GUIMgr, SGSubsystemMgr::DISPLAY);
774 ////////////////////////////////////////////////////////////////////
775 // Initialize the ATC subsystem
776 ////////////////////////////////////////////////////////////////////
777 globals->add_subsystem("ATC", new FGATCManager, SGSubsystemMgr::POST_FDM);
779 ////////////////////////////////////////////////////////////////////
780 // Initialize multiplayer subsystem
781 ////////////////////////////////////////////////////////////////////
783 globals->add_subsystem("mp", new FGMultiplayMgr, SGSubsystemMgr::POST_FDM);
785 ////////////////////////////////////////////////////////////////////
786 // Initialise the AI Model Manager
787 ////////////////////////////////////////////////////////////////////
788 SG_LOG(SG_GENERAL, SG_INFO, " AI Model Manager");
789 globals->add_subsystem("ai-model", new FGAIManager, SGSubsystemMgr::POST_FDM);
790 globals->add_subsystem("submodel-mgr", new FGSubmodelMgr, SGSubsystemMgr::POST_FDM);
793 // It's probably a good idea to initialize the top level traffic manager
794 // After the AI and ATC systems have been initialized properly.
795 // AI Traffic manager
796 globals->add_subsystem("traffic-manager", new FGTrafficManager, SGSubsystemMgr::POST_FDM);
798 ////////////////////////////////////////////////////////////////////
799 // Add a new 2D panel.
800 ////////////////////////////////////////////////////////////////////
802 fgSetArchivable("/sim/panel/visibility");
803 fgSetArchivable("/sim/panel/x-offset");
804 fgSetArchivable("/sim/panel/y-offset");
805 fgSetArchivable("/sim/panel/jitter");
807 ////////////////////////////////////////////////////////////////////
808 // Initialize the controls subsystem.
809 ////////////////////////////////////////////////////////////////////
811 globals->add_subsystem("controls", new FGControls, SGSubsystemMgr::GENERAL);
813 ////////////////////////////////////////////////////////////////////
814 // Initialize the input subsystem.
815 ////////////////////////////////////////////////////////////////////
817 globals->add_subsystem("input", new FGInput, SGSubsystemMgr::GENERAL);
820 ////////////////////////////////////////////////////////////////////
821 // Initialize the replay subsystem
822 ////////////////////////////////////////////////////////////////////
823 globals->add_subsystem("replay", new FGReplay);
824 globals->add_subsystem("history", new FGFlightHistory);
826 #ifdef ENABLE_AUDIO_SUPPORT
827 ////////////////////////////////////////////////////////////////////
828 // Initialize the sound-effects subsystem.
829 ////////////////////////////////////////////////////////////////////
830 globals->add_subsystem("voice", new FGVoiceMgr, SGSubsystemMgr::DISPLAY);
834 ////////////////////////////////////////////////////////////////////
835 // Initialize the FGCom subsystem.
836 ////////////////////////////////////////////////////////////////////
837 globals->add_subsystem("fgcom", new FGCom);
841 SGSubsystem * httpd = flightgear::http::FGHttpd::createInstance( fgGetNode(flightgear::http::PROPERTY_ROOT) );
843 globals->add_subsystem("httpd", httpd );
846 ////////////////////////////////////////////////////////////////////
847 // Initialize the lighting subsystem.
848 ////////////////////////////////////////////////////////////////////
850 // ordering here is important : Nasal (via events), then models, then views
852 globals->add_subsystem("lighting", new FGLight, SGSubsystemMgr::DISPLAY);
853 globals->add_subsystem("events", globals->get_event_mgr(), SGSubsystemMgr::DISPLAY);
856 globals->add_subsystem("aircraft-model", new FGAircraftModel, SGSubsystemMgr::DISPLAY);
857 globals->add_subsystem("model-manager", new FGModelMgr, SGSubsystemMgr::DISPLAY);
859 globals->add_subsystem("view-manager", new FGViewMgr, SGSubsystemMgr::DISPLAY);
861 globals->add_subsystem("tile-manager", globals->get_tile_mgr(),
862 SGSubsystemMgr::DISPLAY);
865 void fgPostInitSubsystems()
870 ////////////////////////////////////////////////////////////////////////
871 // Initialize the Nasal interpreter.
872 // Do this last, so that the loaded scripts see initialized state
873 ////////////////////////////////////////////////////////////////////////
874 FGNasalSys* nasal = new FGNasalSys();
875 globals->add_subsystem("nasal", nasal, SGSubsystemMgr::INIT);
877 SG_LOG(SG_GENERAL, SG_INFO, "Nasal init took:" << st.elapsedMSec());
879 // Ensure IOrules and path validation are working properly by trying to
880 // access a folder/file which should never be accessible.
881 const char* no_access_path =
887 if( fgValidatePath(no_access_path, true) )
892 "Check your IOrules! (write to '" << no_access_path << "' is allowed)"
894 if( fgValidatePath(no_access_path, false) )
899 "Check your IOrules! (read from '" << no_access_path << "' is allowed)"
902 // initialize methods that depend on other subsystems.
904 globals->get_subsystem_mgr()->postinit();
905 SG_LOG(SG_GENERAL, SG_INFO, "Subsystems postinit took:" << st.elapsedMSec());
907 ////////////////////////////////////////////////////////////////////////
908 // End of subsystem initialization.
909 ////////////////////////////////////////////////////////////////////
911 fgSetBool("/sim/crashed", false);
912 fgSetBool("/sim/initialized", true);
914 SG_LOG( SG_GENERAL, SG_INFO, endl);
917 // re-position is a simplified version of the traditional (legacy)
918 // reset procedure. We only need to poke systems which will be upset by
919 // a sudden change in aircraft position. Since this potentially includes
920 // Nasal, we trigger the 'reinit' signal.
921 void fgStartReposition()
923 SGPropertyNode *master_freeze = fgGetNode("/sim/freeze/master");
924 SG_LOG( SG_GENERAL, SG_INFO, "fgStartReposition()");
926 // ensure we are frozen
927 bool freeze = master_freeze->getBoolValue();
929 master_freeze->setBoolValue(true);
932 // set this signal so Nasal scripts can take action.
933 fgSetBool("/sim/signals/reinit", true);
934 fgSetBool("/sim/crashed", false);
936 FDMShell* fdm = static_cast<FDMShell*>(globals->get_subsystem("flight"));
939 // update our position based on current presets
940 // this will mark position as needed finalized which we'll do in the
942 flightgear::initPosition();
944 simgear::SGTerraSync* terraSync =
945 static_cast<simgear::SGTerraSync*>(globals->get_subsystem("terrasync"));
947 terraSync->reposition();
950 // Initialize the FDM
951 globals->get_subsystem("flight")->reinit();
953 // reset replay buffers
954 globals->get_subsystem("replay")->reinit();
956 // ugly: finalizePosition waits for METAR to arrive for the new airport.
957 // we don't re-init the environment manager here, since historically we did
958 // not, and doing so seems to have other issues. All that's needed is to
959 // schedule METAR fetch immediately, so it's available for finalizePosition.
960 // So we manually extract the METAR-fetching component inside the environment
961 // manager, and re-init that.
962 SGSubsystemGroup* envMgr = static_cast<SGSubsystemGroup*>(globals->get_subsystem("environment"));
964 envMgr->get_subsystem("realwx")->reinit();
967 // need to bind FDMshell again, since we manually unbound it above...
970 // need to reset aircraft (systems/instruments/autopilot)
971 // so they can adapt to current environment
972 globals->get_subsystem("systems")->reinit();
973 globals->get_subsystem("instrumentation")->reinit();
974 globals->get_subsystem("xml-autopilot")->reinit();
976 // setup state to end re-init
977 fgSetBool("/sim/signals/reinit", false);
979 master_freeze->setBoolValue(false);
981 fgSetBool("/sim/sceneryloaded",false);
984 void fgStartNewReset()
986 SGPropertyNode_ptr preserved(new SGPropertyNode);
988 if (!copyPropertiesWithAttribute(globals->get_props(), preserved, SGPropertyNode::PRESERVE))
989 SG_LOG(SG_GENERAL, SG_ALERT, "Error saving preserved state");
991 fgSetBool("/sim/signals/reinit", true);
992 fgSetBool("/sim/freeze/master", true);
994 SGSubsystemMgr* subsystemManger = globals->get_subsystem_mgr();
995 // Nasal is manually inited in fgPostInit, ensure it's already shutdown
996 // before other subsystems, so Nasal listeners don't fire during shutdonw
997 SGSubsystem* nasal = subsystemManger->get_subsystem("nasal");
1000 subsystemManger->remove("nasal");
1002 subsystemManger->shutdown();
1003 subsystemManger->unbind();
1005 // remove most subsystems, with a few exceptions.
1006 for (int g=0; g<SGSubsystemMgr::MAX_GROUPS; ++g) {
1007 SGSubsystemGroup* grp = subsystemManger->get_group(static_cast<SGSubsystemMgr::GroupType>(g));
1008 const string_list& names(grp->member_names());
1009 string_list::const_iterator it;
1010 for (it = names.begin(); it != names.end(); ++it) {
1011 if ((*it == "time") || (*it == "terrasync") || (*it == "events")
1012 || (*it == "lighting"))
1018 subsystemManger->remove(it->c_str());
1019 } catch (std::exception& e) {
1020 SG_LOG(SG_GENERAL, SG_INFO, "caught std::exception shutting down:" << *it);
1022 SG_LOG(SG_GENERAL, SG_INFO, "caught generic exception shutting down:" << *it);
1025 // don't delete here, dropping the ref should be sufficient
1027 } // of top-level groups iteration
1029 FGRenderer* render = globals->get_renderer();
1030 // needed or we crash in multi-threaded OSG mode
1031 render->getViewer()->stopThreading();
1033 // order is important here since tile-manager shutdown needs to
1034 // access the scenery object
1035 globals->set_tile_mgr(NULL);
1036 globals->set_scenery(NULL);
1037 FGScenery::getPagerSingleton()->clearRequests();
1038 flightgear::CameraGroup::setDefault(NULL);
1040 // don't cancel the pager until after shutdown, since AIModels (and
1041 // potentially others) can queue delete requests on the pager.
1042 render->getViewer()->getDatabasePager()->cancel();
1043 render->getViewer()->getDatabasePager()->clear();
1045 osgDB::Registry::instance()->clearObjectCache();
1047 // preserve the event handler; re-creating it would entail fixing the
1049 osg::ref_ptr<flightgear::FGEventHandler> eventHandler = render->getEventHandler();
1051 globals->set_renderer(NULL);
1052 globals->set_matlib(NULL);
1053 globals->set_chatter_queue(NULL);
1055 simgear::clearEffectCache();
1056 simgear::SGModelLib::resetPropertyRoot();
1058 simgear::GlobalParticleCallback::setSwitch(NULL);
1060 globals->resetPropertyRoot();
1061 // otherwise channels are duplicated
1062 globals->get_channel_options_list()->clear();
1064 fgInitConfig(0, NULL, true);
1065 fgInitGeneral(); // all of this?
1067 flightgear::Options::sharedInstance()->processOptions();
1069 // PRESERVED properties over-write state from options, intentionally
1070 if ( copyProperties(preserved, globals->get_props()) ) {
1071 SG_LOG( SG_GENERAL, SG_INFO, "Preserved state restored successfully" );
1073 SG_LOG( SG_GENERAL, SG_INFO,
1074 "Some errors restoring preserved state (read-only props?)" );
1077 fgGetNode("/sim")->removeChild("aircraft-dir");
1078 fgInitAircraft(true);
1080 render = new FGRenderer;
1081 render->setEventHandler(eventHandler);
1082 eventHandler->reset();
1083 globals->set_renderer(render);
1085 render->setViewer(viewer.get());
1087 viewer->getDatabasePager()->setUpThreads(1, 1);
1089 // must do this before splashinit for Rembrandt
1090 flightgear::CameraGroup::buildDefaultGroup(viewer.get());
1091 render->splashinit();
1092 viewer->startThreading();
1094 fgOSResetProperties();
1096 // init some things manually
1097 // which do not follow the regular init pattern
1099 globals->get_event_mgr()->init();
1100 globals->get_event_mgr()->setRealtimeProperty(fgGetNode("/sim/time/delta-realtime-sec", true));
1102 globals->set_matlib( new SGMaterialLib );
1104 // terra-sync needs the property tree root, pass it back in
1105 simgear::SGTerraSync* terra_sync = static_cast<simgear::SGTerraSync*>(subsystemManger->get_subsystem("terrasync"));
1106 terra_sync->setRoot(globals->get_props());
1108 fgSetBool("/sim/signals/reinit", false);
1109 fgSetBool("/sim/freeze/master", false);
1110 fgSetBool("/sim/sceneryloaded",false);