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/SceneryPager.hxx>
104 #include <Scenery/tilemgr.hxx>
105 #include <Scripting/NasalSys.hxx>
106 #include <Sound/voice.hxx>
107 #include <Sound/soundmanager.hxx>
108 #include <Systems/system_mgr.hxx>
109 #include <Time/light.hxx>
110 #include <Time/TimeManager.hxx>
112 #include <Traffic/TrafficMgr.hxx>
113 #include <MultiPlayer/multiplaymgr.hxx>
114 #include <FDM/fdm_shell.hxx>
115 #include <Environment/ephemeris.hxx>
116 #include <Environment/environment_mgr.hxx>
117 #include <Viewer/renderer.hxx>
118 #include <Viewer/viewmgr.hxx>
119 #include <Viewer/FGEventHandler.hxx>
120 #include <Navaids/NavDataCache.hxx>
121 #include <Instrumentation/HUD/HUD.hxx>
122 #include <Cockpit/cockpitDisplayManager.hxx>
123 #include <Network/HTTPClient.hxx>
124 #include <Network/fgcom.hxx>
125 #include <Network/http/httpd.hxx>
127 #include <Viewer/CameraGroup.hxx>
129 #include "fg_init.hxx"
131 #include "fg_commands.hxx"
132 #include "fg_props.hxx"
133 #include "FGInterpolator.hxx"
134 #include "options.hxx"
135 #include "globals.hxx"
136 #include "logger.hxx"
138 #include "positioninit.hxx"
140 #include "AircraftDirVisitorBase.hxx"
143 #include <GUI/CocoaHelpers.h> // for Mac impl of platformDefaultDataPath()
152 using namespace boost::algorithm;
154 extern osg::ref_ptr<osgViewer::Viewer> viewer;
156 // Return the current base package version
157 string fgBasePackageVersion() {
158 SGPath base_path( globals->get_fg_root() );
159 base_path.append("version");
160 if (!base_path.exists()) {
164 sg_gzifstream in( base_path.str() );
175 class FindAndCacheAircraft : public AircraftDirVistorBase
178 FindAndCacheAircraft(SGPropertyNode* autoSave)
180 _cache = autoSave->getNode("sim/startup/path-cache", true);
185 std::string aircraft = fgGetString( "/sim/aircraft", "");
186 if (aircraft.empty()) {
187 flightgear::fatalMessageBox("No aircraft", "No aircraft was specified");
188 SG_LOG(SG_GENERAL, SG_ALERT, "no aircraft specified");
192 _searchAircraft = aircraft + "-set.xml";
193 std::string aircraftDir = fgGetString("/sim/aircraft-dir", "");
194 if (!aircraftDir.empty()) {
195 // aircraft-dir was set, skip any searching at all, if it's valid
196 simgear::Dir acPath(aircraftDir);
197 SGPath setFile = acPath.file(_searchAircraft);
198 if (setFile.exists()) {
199 SG_LOG(SG_GENERAL, SG_INFO, "found aircraft in dir: " << aircraftDir );
202 readProperties(setFile.str(), globals->get_props());
203 } catch ( const sg_exception &e ) {
204 SG_LOG(SG_INPUT, SG_ALERT, "Error reading aircraft: " << e.getFormattedMessage());
205 flightgear::fatalMessageBox("Error reading aircraft",
206 "An error occured reading the requested aircraft (" + aircraft + ")",
207 e.getFormattedMessage());
213 SG_LOG(SG_GENERAL, SG_ALERT, "aircraft '" << _searchAircraft <<
214 "' not found in specified dir:" << aircraftDir);
215 flightgear::fatalMessageBox("Aircraft not found",
216 "The requested aircraft '" + aircraft + "' could not be found in the specified location.",
223 // prepare cache for re-scan
224 SGPropertyNode *n = _cache->getNode("fg-root", true);
225 n->setStringValue(globals->get_fg_root().c_str());
226 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
227 n = _cache->getNode("fg-aircraft", true);
228 n->setStringValue(getAircraftPaths().c_str());
229 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
230 _cache->removeChildren("aircraft");
232 visitAircraftPaths();
235 if (_foundPath.str().empty()) {
236 SG_LOG(SG_GENERAL, SG_ALERT, "Cannot find specified aircraft: " << aircraft );
237 flightgear::fatalMessageBox("Aircraft not found",
238 "The requested aircraft '" + aircraft + "' could not be found in any of the search paths");
243 SG_LOG(SG_GENERAL, SG_INFO, "Loading aircraft -set file from:" << _foundPath.str());
244 fgSetString( "/sim/aircraft-dir", _foundPath.dir().c_str());
245 if (!_foundPath.exists()) {
246 SG_LOG(SG_GENERAL, SG_ALERT, "Unable to find -set file:" << _foundPath.str());
251 readProperties(_foundPath.str(), globals->get_props());
252 } catch ( const sg_exception &e ) {
253 SG_LOG(SG_INPUT, SG_ALERT, "Error reading aircraft: " << e.getFormattedMessage());
254 flightgear::fatalMessageBox("Error reading aircraft",
255 "An error occured reading the requested aircraft (" + aircraft + ")",
256 e.getFormattedMessage());
264 SGPath getAircraftPaths() {
265 string_list pathList = globals->get_aircraft_paths();
266 SGPath aircraftPaths;
267 string_list::const_iterator it = pathList.begin();
268 if (it != pathList.end()) {
269 aircraftPaths.set(*it);
272 for (; it != pathList.end(); ++it) {
273 aircraftPaths.add(*it);
275 return aircraftPaths;
280 if (globals->get_fg_root() != _cache->getStringValue("fg-root", "")) {
281 return false; // cache mismatch
284 if (getAircraftPaths().str() != _cache->getStringValue("fg-aircraft", "")) {
285 return false; // cache mismatch
288 vector<SGPropertyNode_ptr> cache = _cache->getChildren("aircraft");
289 for (unsigned int i = 0; i < cache.size(); i++) {
290 const char *name = cache[i]->getStringValue("file", "");
291 if (!boost::equals(_searchAircraft, name, is_iequal())) {
295 SGPath xml(cache[i]->getStringValue("path", ""));
303 } // of aircraft in cache iteration
308 virtual VisitResult visit(const SGPath& p)
313 if (!_cache->getChild("aircraft", i++, false))
317 SGPropertyNode *n, *entry = _cache->getChild("aircraft", --i, true);
319 std::string fileName(p.file());
320 n = entry->getNode("file", true);
321 n->setStringValue(fileName);
322 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
324 n = entry->getNode("path", true);
325 n->setStringValue(p.dir());
326 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
328 if ( boost::equals(fileName, _searchAircraft.c_str(), is_iequal()) ) {
333 return VISIT_CONTINUE;
336 std::string _searchAircraft;
338 SGPropertyNode* _cache;
342 static SGPath platformDefaultDataPath()
344 char *envp = ::getenv( "APPDATA" );
345 SGPath config( envp );
346 config.append( "flightgear.org" );
350 #elif defined(SG_MAC)
352 // platformDefaultDataPath defined in GUI/CocoaHelpers.h
355 static SGPath platformDefaultDataPath()
357 return SGPath::home() / ".fgfs";
363 SGPath dataPath = SGPath::fromEnv("FG_HOME", platformDefaultDataPath());
364 globals->set_fg_home(dataPath.c_str());
366 simgear::Dir fgHome(dataPath);
367 if (!fgHome.exists()) {
371 if (!fgHome.exists()) {
372 flightgear::fatalMessageBox("Problem setting up user data",
373 "Unable to create the user-data storage folder at: '"
374 + dataPath.str() + "'");
378 if (fgGetBool("/sim/fghome-readonly", false)) {
379 // user / config forced us into readonly mode, fine
380 SG_LOG(SG_GENERAL, SG_INFO, "Running with FG_HOME readonly");
384 // write our PID, and check writeability
385 SGPath pidPath(dataPath, "fgfs.pid");
386 if (pidPath.exists()) {
387 SG_LOG(SG_GENERAL, SG_INFO, "flightgear instance already running, switching to FG_HOME read-only.");
388 // set a marker property so terrasync/navcache don't try to write
389 // from secondary instances
390 fgSetBool("/sim/fghome-readonly", true);
396 #if defined(SG_WINDOWS)
397 size_t len = snprintf(buf, 16, "%d", _getpid());
399 HANDLE f = CreateFileA(pidPath.c_str(), GENERIC_READ | GENERIC_WRITE,
400 FILE_SHARE_READ, /* sharing */
401 NULL, /* security attributes */
402 CREATE_NEW, /* error if already exists */
403 FILE_FLAG_DELETE_ON_CLOSE,
404 NULL /* template */);
406 result = (f != INVALID_HANDLE_VALUE);
409 WriteFile(f, buf, len, &written, NULL /* overlapped */);
412 // POSIX, do open+unlink trick to the file is deleted on exit, even if we
414 ssize_t len = snprintf(buf, 16, "%d", getpid());
415 int fd = ::open(pidPath.c_str(), O_WRONLY | O_CREAT | O_TRUNC | O_EXCL, 0644);
417 result = ::write(fd, buf, len) == len;
418 if( ::unlink(pidPath.c_str()) != 0 ) // delete file when app quits
423 fgSetBool("/sim/fghome-readonly", false);
426 flightgear::fatalMessageBox("File permissions problem",
427 "Can't write to user-data storage folder, check file permissions and FG_HOME.",
428 "User-data at:" + dataPath.str());
433 // Read in configuration (file and command line)
434 int fgInitConfig ( int argc, char **argv, bool reinit )
436 SGPath dataPath = globals->get_fg_home();
438 simgear::Dir exportDir(simgear::Dir(dataPath).file("Export"));
439 if (!exportDir.exists()) {
440 exportDir.create(0755);
443 // Set /sim/fg-home and don't allow malign code to override it until
444 // Nasal security is set up. Use FG_HOME if necessary.
445 SGPropertyNode *home = fgGetNode("/sim", true);
446 home->removeChild("fg-home", 0);
447 home = home->getChild("fg-home", 0, true);
448 home->setStringValue(dataPath.c_str());
449 home->setAttribute(SGPropertyNode::WRITE, false);
452 flightgear::Options* options = flightgear::Options::sharedInstance();
454 options->init(argc, argv, dataPath);
457 bool loadDefaults = options->shouldLoadDefaultConfig();
459 // Read global preferences from $FG_ROOT/preferences.xml
460 SG_LOG(SG_INPUT, SG_INFO, "Reading global preferences");
461 fgLoadProps("preferences.xml", globals->get_props());
462 SG_LOG(SG_INPUT, SG_INFO, "Finished Reading global preferences");
464 // do not load user settings when reset to default is requested, or if
465 // told to explicitly ignore
466 if (options->isOptionSet("restore-defaults") || options->isOptionSet("ignore-autosave"))
468 SG_LOG(SG_ALL, SG_ALERT, "Ignoring user settings. Restoring defaults.");
472 globals->loadUserSettings(dataPath);
475 SG_LOG(SG_GENERAL, SG_INFO, "not reading default configuration files");
476 }// of no-default-config selected
478 return flightgear::FG_OPTIONS_OK;
481 int fgInitAircraft(bool reinit)
483 // Scan user config files and command line for a specified aircraft.
485 SGPropertyNode* sim = fgGetNode("/sim", true);
486 sim->removeChildren("fg-aircraft");
487 // after reset, add aircraft dirs to props, neede for Nasal IO rules
488 string_list::const_iterator it;
490 for (it = globals->get_aircraft_paths().begin();
491 it != globals->get_aircraft_paths().end(); ++it, ++index)
493 SGPropertyNode* n = sim->getChild("fg-aircraft", index, true);
494 n->setStringValue(*it);
495 n->setAttribute(SGPropertyNode::WRITE, false);
499 SGPropertyNode* aircraftProp = fgGetNode("/sim/aircraft", true);
500 aircraftProp->setAttribute(SGPropertyNode::PRESERVE, true);
502 flightgear::Options::sharedInstance()->initAircraft();
505 FindAndCacheAircraft f(globals->get_props());
506 if (!f.loadAircraft()) {
507 return flightgear::FG_OPTIONS_ERROR;
510 return flightgear::FG_OPTIONS_OK;
514 * Initialize vor/ndb/ils/fix list management and query systems (as
515 * well as simple airport db list)
516 * This is called multiple times in the case of a cache rebuild,
517 * to allow lengthy caching to take place in the background, without
518 * blocking the main/UI thread.
523 flightgear::NavDataCache* cache = flightgear::NavDataCache::instance();
524 static bool doingRebuild = false;
525 if (doingRebuild || cache->isRebuildRequired()) {
527 bool finished = cache->rebuild();
529 // sleep to give the rebuild thread more time
530 SGTimeStamp::sleepForMSec(50);
535 FGTACANList *channellist = new FGTACANList;
536 globals->set_channellist( channellist );
538 SGPath path(globals->get_fg_root());
539 path.append( "Navaids/TACAN_freq.dat" );
540 flightgear::loadTacan(path, channellist);
545 // General house keeping initializations
546 bool fgInitGeneral() {
549 SG_LOG( SG_GENERAL, SG_INFO, "General Initialization" );
550 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
552 root = globals->get_fg_root();
553 if ( ! root.length() ) {
554 // No root path set? Then bail ...
555 SG_LOG( SG_GENERAL, SG_ALERT,
556 "Cannot continue without a path to the base package "
557 << "being defined." );
560 SG_LOG( SG_GENERAL, SG_INFO, "FG_ROOT = " << '"' << root << '"' << endl );
562 // Note: browser command is hard-coded for Mac/Windows, so this only affects other platforms
563 globals->set_browser(fgGetString("/sim/startup/browser-app", WEB_BROWSER));
564 fgSetString("/sim/startup/browser-app", globals->get_browser());
566 simgear::Dir cwd(simgear::Dir::current());
567 SGPropertyNode *curr = fgGetNode("/sim", true);
568 curr->removeChild("fg-current", 0);
569 curr = curr->getChild("fg-current", 0, true);
570 curr->setStringValue(cwd.path().str());
571 curr->setAttribute(SGPropertyNode::WRITE, false);
573 fgSetBool("/sim/startup/stdout-to-terminal", isatty(1) != 0 );
574 fgSetBool("/sim/startup/stderr-to-terminal", isatty(2) != 0 );
578 // Write various configuraton values out to the logs
579 void fgOutputSettings()
581 SG_LOG( SG_GENERAL, SG_INFO, "Configuration State" );
582 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
584 SG_LOG( SG_GENERAL, SG_INFO, "aircraft-dir = " << '"' << fgGetString("/sim/aircraft-dir") << '"' );
585 SG_LOG( SG_GENERAL, SG_INFO, "fghome-dir = " << '"' << globals->get_fg_home() << '"');
586 SG_LOG( SG_GENERAL, SG_INFO, "aircraft-dir = " << '"' << fgGetString("/sim/aircraft-dir") << '"');
588 SG_LOG( SG_GENERAL, SG_INFO, "aircraft-search-paths = \n\t" << simgear::strutils::join(globals->get_aircraft_paths(), "\n\t") );
589 SG_LOG( SG_GENERAL, SG_INFO, "scenery-search-paths = \n\t" << simgear::strutils::join(globals->get_fg_scenery(), "\n\t") );
592 // This is the top level init routine which calls all the other
593 // initialization routines. If you are adding a subsystem to flight
594 // gear, its initialization call should located in this routine.
595 // Returns non-zero if a problem encountered.
596 void fgCreateSubsystems(bool duringReset) {
598 SG_LOG( SG_GENERAL, SG_INFO, "Creating Subsystems");
599 SG_LOG( SG_GENERAL, SG_INFO, "========== ==========");
601 ////////////////////////////////////////////////////////////////////
602 // Initialize the sound subsystem.
603 ////////////////////////////////////////////////////////////////////
604 // Sound manager uses an own subsystem group "SOUND" which is the last
605 // to be updated in every loop.
606 // Sound manager is updated last so it can use the CPU while the GPU
607 // is processing the scenery (doubled the frame-rate for me) -EMH-
608 globals->add_subsystem("sound", new FGSoundManager, SGSubsystemMgr::SOUND);
610 ////////////////////////////////////////////////////////////////////
611 // Initialize the event manager subsystem.
612 ////////////////////////////////////////////////////////////////////
614 globals->get_event_mgr()->init();
615 globals->get_event_mgr()->setRealtimeProperty(fgGetNode("/sim/time/delta-realtime-sec", true));
617 ////////////////////////////////////////////////////////////////////
618 // Initialize the property interpolator subsystem. Put into the INIT
619 // group because the "nasal" subsystem may need it at GENERAL take-down.
620 ////////////////////////////////////////////////////////////////////
621 FGInterpolator* interp = new FGInterpolator;
622 interp->setRealtimeProperty(fgGetNode("/sim/time/delta-realtime-sec", true));
623 globals->add_subsystem("prop-interpolator", interp, SGSubsystemMgr::INIT);
624 SGPropertyNode::setInterpolationMgr(interp);
626 ////////////////////////////////////////////////////////////////////
627 // Add the FlightGear property utilities.
628 ////////////////////////////////////////////////////////////////////
629 globals->add_subsystem("properties", new FGProperties);
632 ////////////////////////////////////////////////////////////////////
633 // Add the performance monitoring system.
634 ////////////////////////////////////////////////////////////////////
635 globals->add_subsystem("performance-mon",
636 new SGPerformanceMonitor(globals->get_subsystem_mgr(),
637 fgGetNode("/sim/performance-monitor", true)));
639 ////////////////////////////////////////////////////////////////////
640 // Initialize the material property subsystem.
641 ////////////////////////////////////////////////////////////////////
643 SGPath mpath( globals->get_fg_root() );
644 mpath.append( fgGetString("/sim/rendering/materials-file") );
645 if ( ! globals->get_matlib()->load(globals->get_fg_root(), mpath.str(),
646 globals->get_props()) ) {
647 throw sg_io_exception("Error loading materials file", mpath);
650 globals->add_subsystem( "http", new FGHTTPClient );
652 ////////////////////////////////////////////////////////////////////
653 // Initialize the scenery management subsystem.
654 ////////////////////////////////////////////////////////////////////
656 globals->get_scenery()->get_scene_graph()
657 ->addChild(simgear::Particles::getCommonRoot());
658 simgear::GlobalParticleCallback::setSwitch(fgGetNode("/sim/rendering/particles", true));
660 ////////////////////////////////////////////////////////////////////
661 // Initialize the flight model subsystem.
662 ////////////////////////////////////////////////////////////////////
664 globals->add_subsystem("flight", new FDMShell, SGSubsystemMgr::FDM);
666 ////////////////////////////////////////////////////////////////////
667 // Initialize the weather subsystem.
668 ////////////////////////////////////////////////////////////////////
670 // Initialize the weather modeling subsystem
671 globals->add_subsystem("environment", new FGEnvironmentMgr);
672 globals->add_subsystem("ephemeris", new Ephemeris);
674 ////////////////////////////////////////////////////////////////////
675 // Initialize the aircraft systems and instrumentation (before the
677 ////////////////////////////////////////////////////////////////////
679 globals->add_subsystem("systems", new FGSystemMgr, SGSubsystemMgr::FDM);
680 globals->add_subsystem("instrumentation", new FGInstrumentMgr, SGSubsystemMgr::FDM);
681 globals->add_subsystem("hud", new HUD, SGSubsystemMgr::DISPLAY);
682 globals->add_subsystem("cockpit-displays", new flightgear::CockpitDisplayManager, SGSubsystemMgr::DISPLAY);
684 ////////////////////////////////////////////////////////////////////
685 // Initialize the XML Autopilot subsystem.
686 ////////////////////////////////////////////////////////////////////
688 globals->add_subsystem( "xml-autopilot", FGXMLAutopilotGroup::createInstance("autopilot"), SGSubsystemMgr::FDM );
689 globals->add_subsystem( "xml-proprules", FGXMLAutopilotGroup::createInstance("property-rule"), SGSubsystemMgr::GENERAL );
690 globals->add_subsystem( "route-manager", new FGRouteMgr );
692 ////////////////////////////////////////////////////////////////////
693 // Initialize the Input-Output subsystem
694 ////////////////////////////////////////////////////////////////////
695 globals->add_subsystem( "io", new FGIO );
697 ////////////////////////////////////////////////////////////////////
698 // Create and register the logger.
699 ////////////////////////////////////////////////////////////////////
701 globals->add_subsystem("logger", new FGLogger);
703 ////////////////////////////////////////////////////////////////////
704 // Create and register the XML GUI.
705 ////////////////////////////////////////////////////////////////////
707 globals->add_subsystem("gui", new NewGUI, SGSubsystemMgr::INIT);
709 //////////////////////////////////////////////////////////////////////
710 // Initialize the 2D cloud subsystem.
711 ////////////////////////////////////////////////////////////////////
712 fgGetBool("/sim/rendering/bump-mapping", false);
714 ////////////////////////////////////////////////////////////////////
715 // Initialize the canvas 2d drawing subsystem.
716 ////////////////////////////////////////////////////////////////////
717 simgear::canvas::Canvas::setSystemAdapter(
718 simgear::canvas::SystemAdapterPtr(new canvas::FGCanvasSystemAdapter)
720 globals->add_subsystem("Canvas", new CanvasMgr, SGSubsystemMgr::DISPLAY);
721 globals->add_subsystem("CanvasGUI", new GUIMgr, SGSubsystemMgr::DISPLAY);
723 ////////////////////////////////////////////////////////////////////
724 // Initialize the ATC subsystem
725 ////////////////////////////////////////////////////////////////////
726 globals->add_subsystem("ATC", new FGATCManager, SGSubsystemMgr::POST_FDM);
728 ////////////////////////////////////////////////////////////////////
729 // Initialize multiplayer subsystem
730 ////////////////////////////////////////////////////////////////////
732 globals->add_subsystem("mp", new FGMultiplayMgr, SGSubsystemMgr::POST_FDM);
734 ////////////////////////////////////////////////////////////////////
735 // Initialise the AI Model Manager
736 ////////////////////////////////////////////////////////////////////
737 SG_LOG(SG_GENERAL, SG_INFO, " AI Model Manager");
738 globals->add_subsystem("ai-model", new FGAIManager, SGSubsystemMgr::POST_FDM);
739 globals->add_subsystem("submodel-mgr", new FGSubmodelMgr, SGSubsystemMgr::POST_FDM);
742 // It's probably a good idea to initialize the top level traffic manager
743 // After the AI and ATC systems have been initialized properly.
744 // AI Traffic manager
745 globals->add_subsystem("traffic-manager", new FGTrafficManager, SGSubsystemMgr::POST_FDM);
747 ////////////////////////////////////////////////////////////////////
748 // Add a new 2D panel.
749 ////////////////////////////////////////////////////////////////////
751 fgSetArchivable("/sim/panel/visibility");
752 fgSetArchivable("/sim/panel/x-offset");
753 fgSetArchivable("/sim/panel/y-offset");
754 fgSetArchivable("/sim/panel/jitter");
756 ////////////////////////////////////////////////////////////////////
757 // Initialize the controls subsystem.
758 ////////////////////////////////////////////////////////////////////
760 globals->add_subsystem("controls", new FGControls, SGSubsystemMgr::GENERAL);
762 ////////////////////////////////////////////////////////////////////
763 // Initialize the input subsystem.
764 ////////////////////////////////////////////////////////////////////
766 globals->add_subsystem("input", new FGInput, SGSubsystemMgr::GENERAL);
769 ////////////////////////////////////////////////////////////////////
770 // Initialize the replay subsystem
771 ////////////////////////////////////////////////////////////////////
772 globals->add_subsystem("replay", new FGReplay);
773 globals->add_subsystem("history", new FGFlightHistory);
775 #ifdef ENABLE_AUDIO_SUPPORT
776 ////////////////////////////////////////////////////////////////////
777 // Initialize the sound-effects subsystem.
778 ////////////////////////////////////////////////////////////////////
779 globals->add_subsystem("voice", new FGVoiceMgr, SGSubsystemMgr::DISPLAY);
783 ////////////////////////////////////////////////////////////////////
784 // Initialize the FGCom subsystem.
785 ////////////////////////////////////////////////////////////////////
786 globals->add_subsystem("fgcom", new FGCom);
790 SGSubsystem * httpd = flightgear::http::FGHttpd::createInstance( fgGetNode(flightgear::http::PROPERTY_ROOT) );
792 globals->add_subsystem("httpd", httpd );
795 ////////////////////////////////////////////////////////////////////
796 // Initialize the lighting subsystem.
797 ////////////////////////////////////////////////////////////////////
799 // ordering here is important : Nasal (via events), then models, then views
801 globals->add_subsystem("lighting", new FGLight, SGSubsystemMgr::DISPLAY);
802 globals->add_subsystem("events", globals->get_event_mgr(), SGSubsystemMgr::DISPLAY);
805 globals->add_subsystem("aircraft-model", new FGAircraftModel, SGSubsystemMgr::DISPLAY);
806 globals->add_subsystem("model-manager", new FGModelMgr, SGSubsystemMgr::DISPLAY);
808 globals->add_subsystem("view-manager", new FGViewMgr, SGSubsystemMgr::DISPLAY);
810 globals->add_subsystem("tile-manager", globals->get_tile_mgr(),
811 SGSubsystemMgr::DISPLAY);
814 void fgPostInitSubsystems()
819 ////////////////////////////////////////////////////////////////////////
820 // Initialize the Nasal interpreter.
821 // Do this last, so that the loaded scripts see initialized state
822 ////////////////////////////////////////////////////////////////////////
823 FGNasalSys* nasal = new FGNasalSys();
824 globals->add_subsystem("nasal", nasal, SGSubsystemMgr::INIT);
826 SG_LOG(SG_GENERAL, SG_INFO, "Nasal init took:" << st.elapsedMSec());
828 // Ensure IOrules and path validation are working properly by trying to
829 // access a folder/file which should never be accessible.
830 const char* no_access_path =
836 if( fgValidatePath(no_access_path, true) )
841 "Check your IOrules! (write to '" << no_access_path << "' is allowed)"
843 if( fgValidatePath(no_access_path, false) )
848 "Check your IOrules! (read from '" << no_access_path << "' is allowed)"
851 // initialize methods that depend on other subsystems.
853 globals->get_subsystem_mgr()->postinit();
854 SG_LOG(SG_GENERAL, SG_INFO, "Subsystems postinit took:" << st.elapsedMSec());
856 ////////////////////////////////////////////////////////////////////////
857 // End of subsystem initialization.
858 ////////////////////////////////////////////////////////////////////
860 fgSetBool("/sim/crashed", false);
861 fgSetBool("/sim/initialized", true);
863 SG_LOG( SG_GENERAL, SG_INFO, endl);
866 // re-position is a simplified version of the traditional (legacy)
867 // reset procedure. We only need to poke systems which will be upset by
868 // a sudden change in aircraft position. Since this potentially includes
869 // Nasal, we trigger the 'reinit' signal.
870 void fgStartReposition()
872 SGPropertyNode *master_freeze = fgGetNode("/sim/freeze/master");
873 SG_LOG( SG_GENERAL, SG_INFO, "fgStartReposition()");
875 // ensure we are frozen
876 bool freeze = master_freeze->getBoolValue();
878 master_freeze->setBoolValue(true);
881 // set this signal so Nasal scripts can take action.
882 fgSetBool("/sim/signals/reinit", true);
883 fgSetBool("/sim/crashed", false);
885 FDMShell* fdm = static_cast<FDMShell*>(globals->get_subsystem("flight"));
888 // update our position based on current presets
889 // this will mark position as needed finalized which we'll do in the
891 flightgear::initPosition();
893 simgear::SGTerraSync* terraSync =
894 static_cast<simgear::SGTerraSync*>(globals->get_subsystem("terrasync"));
896 terraSync->reposition();
899 // Initialize the FDM
900 globals->get_subsystem("flight")->reinit();
902 // reset replay buffers
903 globals->get_subsystem("replay")->reinit();
905 // ugly: finalizePosition waits for METAR to arrive for the new airport.
906 // we don't re-init the environment manager here, since historically we did
907 // not, and doing so seems to have other issues. All that's needed is to
908 // schedule METAR fetch immediately, so it's available for finalizePosition.
909 // So we manually extract the METAR-fetching component inside the environment
910 // manager, and re-init that.
911 SGSubsystemGroup* envMgr = static_cast<SGSubsystemGroup*>(globals->get_subsystem("environment"));
913 envMgr->get_subsystem("realwx")->reinit();
916 // need to bind FDMshell again, since we manually unbound it above...
919 // need to reset aircraft (systems/instruments/autopilot)
920 // so they can adapt to current environment
921 globals->get_subsystem("systems")->reinit();
922 globals->get_subsystem("instrumentation")->reinit();
923 globals->get_subsystem("xml-autopilot")->reinit();
925 // setup state to end re-init
926 fgSetBool("/sim/signals/reinit", false);
928 master_freeze->setBoolValue(false);
930 fgSetBool("/sim/sceneryloaded",false);
933 void fgStartNewReset()
935 SGPropertyNode_ptr preserved(new SGPropertyNode);
937 if (!copyPropertiesWithAttribute(globals->get_props(), preserved, SGPropertyNode::PRESERVE))
938 SG_LOG(SG_GENERAL, SG_ALERT, "Error saving preserved state");
940 fgSetBool("/sim/signals/reinit", true);
941 fgSetBool("/sim/freeze/master", true);
943 SGSubsystemMgr* subsystemManger = globals->get_subsystem_mgr();
944 // Nasal is manually inited in fgPostInit, ensure it's already shutdown
945 // before other subsystems, so Nasal listeners don't fire during shutdonw
946 SGSubsystem* nasal = subsystemManger->get_subsystem("nasal");
949 subsystemManger->remove("nasal");
951 subsystemManger->shutdown();
952 subsystemManger->unbind();
954 // remove most subsystems, with a few exceptions.
955 for (int g=0; g<SGSubsystemMgr::MAX_GROUPS; ++g) {
956 SGSubsystemGroup* grp = subsystemManger->get_group(static_cast<SGSubsystemMgr::GroupType>(g));
957 const string_list& names(grp->member_names());
958 string_list::const_iterator it;
959 for (it = names.begin(); it != names.end(); ++it) {
960 if ((*it == "time") || (*it == "terrasync") || (*it == "events")
961 || (*it == "lighting"))
967 subsystemManger->remove(it->c_str());
968 } catch (std::exception& e) {
969 SG_LOG(SG_GENERAL, SG_INFO, "caught std::exception shutting down:" << *it);
971 SG_LOG(SG_GENERAL, SG_INFO, "caught generic exception shutting down:" << *it);
974 // don't delete here, dropping the ref should be sufficient
976 } // of top-level groups iteration
978 FGRenderer* render = globals->get_renderer();
979 // needed or we crash in multi-threaded OSG mode
980 render->getViewer()->stopThreading();
982 // order is important here since tile-manager shutdown needs to
983 // access the scenery object
984 globals->set_tile_mgr(NULL);
985 globals->set_scenery(NULL);
986 FGScenery::getPagerSingleton()->clearRequests();
987 flightgear::CameraGroup::setDefault(NULL);
989 // don't cancel the pager until after shutdown, since AIModels (and
990 // potentially others) can queue delete requests on the pager.
991 render->getViewer()->getDatabasePager()->cancel();
992 render->getViewer()->getDatabasePager()->clear();
994 osgDB::Registry::instance()->clearObjectCache();
996 // preserve the event handler; re-creating it would entail fixing the
998 osg::ref_ptr<flightgear::FGEventHandler> eventHandler = render->getEventHandler();
1000 globals->set_renderer(NULL);
1001 globals->set_matlib(NULL);
1002 globals->set_chatter_queue(NULL);
1004 simgear::clearEffectCache();
1005 simgear::SGModelLib::resetPropertyRoot();
1007 simgear::GlobalParticleCallback::setSwitch(NULL);
1009 globals->resetPropertyRoot();
1010 // otherwise channels are duplicated
1011 globals->get_channel_options_list()->clear();
1013 fgInitConfig(0, NULL, true);
1014 fgInitGeneral(); // all of this?
1016 flightgear::Options::sharedInstance()->processOptions();
1018 // PRESERVED properties over-write state from options, intentionally
1019 if ( copyProperties(preserved, globals->get_props()) ) {
1020 SG_LOG( SG_GENERAL, SG_INFO, "Preserved state restored successfully" );
1022 SG_LOG( SG_GENERAL, SG_INFO,
1023 "Some errors restoring preserved state (read-only props?)" );
1026 fgGetNode("/sim")->removeChild("aircraft-dir");
1027 fgInitAircraft(true);
1029 render = new FGRenderer;
1030 render->setEventHandler(eventHandler);
1031 eventHandler->reset();
1032 globals->set_renderer(render);
1034 render->setViewer(viewer.get());
1036 viewer->getDatabasePager()->setUpThreads(1, 1);
1038 // must do this before splashinit for Rembrandt
1039 flightgear::CameraGroup::buildDefaultGroup(viewer.get());
1040 render->splashinit();
1041 viewer->startThreading();
1043 fgOSResetProperties();
1045 // init some things manually
1046 // which do not follow the regular init pattern
1048 globals->get_event_mgr()->init();
1049 globals->get_event_mgr()->setRealtimeProperty(fgGetNode("/sim/time/delta-realtime-sec", true));
1051 globals->set_matlib( new SGMaterialLib );
1053 // terra-sync needs the property tree root, pass it back in
1054 simgear::SGTerraSync* terra_sync = static_cast<simgear::SGTerraSync*>(subsystemManger->get_subsystem("terrasync"));
1055 terra_sync->setRoot(globals->get_props());
1057 fgSetBool("/sim/signals/reinit", false);
1058 fgSetBool("/sim/freeze/master", false);
1059 fgSetBool("/sim/sceneryloaded",false);