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.
30 #include <string.h> // strcmp()
33 # include <io.h> // isatty()
34 # define isatty _isatty
37 #include <simgear/compiler.h>
40 #include <boost/algorithm/string/compare.hpp>
41 #include <boost/algorithm/string/predicate.hpp>
43 #include <simgear/constants.h>
44 #include <simgear/debug/logstream.hxx>
45 #include <simgear/structure/exception.hxx>
46 #include <simgear/structure/event_mgr.hxx>
47 #include <simgear/structure/SGPerfMon.hxx>
48 #include <simgear/misc/sg_path.hxx>
49 #include <simgear/misc/sg_dir.hxx>
50 #include <simgear/misc/sgstream.hxx>
51 #include <simgear/misc/strutils.hxx>
52 #include <simgear/props/props_io.hxx>
54 #include <simgear/scene/material/matlib.hxx>
55 #include <simgear/scene/model/particles.hxx>
57 #include <Aircraft/controls.hxx>
58 #include <Aircraft/replay.hxx>
59 #include <Aircraft/FlightHistory.hxx>
60 #include <Airports/runways.hxx>
61 #include <Airports/airport.hxx>
62 #include <Airports/dynamics.hxx>
64 #include <AIModel/AIManager.hxx>
66 #include <ATCDCL/ATISmgr.hxx>
67 #include <ATC/atc_mgr.hxx>
69 #include <Autopilot/route_mgr.hxx>
70 #include <Autopilot/autopilotgroup.hxx>
72 #include <Cockpit/panel.hxx>
73 #include <Cockpit/panel_io.hxx>
75 #include <Canvas/canvas_mgr.hxx>
76 #include <Canvas/gui_mgr.hxx>
77 #include <GUI/new_gui.hxx>
78 #include <Input/input.hxx>
79 #include <Instrumentation/instrument_mgr.hxx>
80 #include <Model/acmodel.hxx>
81 #include <Model/modelmgr.hxx>
82 #include <AIModel/submodel.hxx>
83 #include <AIModel/AIManager.hxx>
84 #include <Navaids/navdb.hxx>
85 #include <Navaids/navlist.hxx>
86 #include <Scenery/scenery.hxx>
87 #include <Scenery/tilemgr.hxx>
88 #include <Scripting/NasalSys.hxx>
89 #include <Sound/voice.hxx>
90 #include <Sound/soundmanager.hxx>
91 #include <Systems/system_mgr.hxx>
92 #include <Time/light.hxx>
93 #include <Traffic/TrafficMgr.hxx>
94 #include <MultiPlayer/multiplaymgr.hxx>
95 #include <FDM/fdm_shell.hxx>
96 #include <Environment/ephemeris.hxx>
97 #include <Environment/environment_mgr.hxx>
98 #include <Viewer/renderer.hxx>
99 #include <Viewer/viewmgr.hxx>
100 #include <Navaids/NavDataCache.hxx>
101 #include <Instrumentation/HUD/HUD.hxx>
102 #include <Cockpit/cockpitDisplayManager.hxx>
103 #include <Network/HTTPClient.hxx>
105 #include "fg_init.hxx"
107 #include "fg_commands.hxx"
108 #include "fg_props.hxx"
109 #include "FGInterpolator.hxx"
110 #include "options.hxx"
111 #include "globals.hxx"
112 #include "logger.hxx"
114 #include "positioninit.hxx"
121 using namespace boost::algorithm;
124 // Return the current base package version
125 string fgBasePackageVersion() {
126 SGPath base_path( globals->get_fg_root() );
127 base_path.append("version");
129 sg_gzifstream in( base_path.str() );
130 if ( !in.is_open() ) {
131 SGPath old_path( globals->get_fg_root() );
132 old_path.append( "Thanks" );
133 sg_gzifstream old( old_path.str() );
134 if ( !old.is_open() ) {
137 return "[old version]";
149 bool fgFindAircraftInDir(const SGPath& dirPath, T* obj, bool (T::*pred)(const SGPath& p))
151 if (!dirPath.exists()) {
152 SG_LOG(SG_GENERAL, SG_WARN, "fgFindAircraftInDir: no such path:" << dirPath.str());
157 simgear::Dir dir(dirPath);
158 simgear::PathList setFiles(dir.children(simgear::Dir::TYPE_FILE, "-set.xml"));
159 simgear::PathList::iterator p;
160 for (p = setFiles.begin(); p != setFiles.end(); ++p) {
161 // check file name ends with -set.xml
163 // if we found a -set.xml at this level, don't recurse any deeper
166 bool done = (obj->*pred)(*p);
170 } // of -set.xml iteration
176 simgear::PathList subdirs(dir.children(simgear::Dir::TYPE_DIR | simgear::Dir::NO_DOT_OR_DOTDOT));
177 for (p = subdirs.begin(); p != subdirs.end(); ++p) {
178 if (p->file() == "CVS") {
182 if (fgFindAircraftInDir(*p, obj, pred)) {
185 } // of subdirs iteration
191 void fgFindAircraft(T* obj, bool (T::*pred)(const SGPath& p))
193 const string_list& paths(globals->get_aircraft_paths());
194 string_list::const_iterator it = paths.begin();
195 for (; it != paths.end(); ++it) {
196 bool done = fgFindAircraftInDir(SGPath(*it), obj, pred);
200 } // of aircraft paths iteration
202 // if we reach this point, search the default location (always last)
203 SGPath rootAircraft(globals->get_fg_root());
204 rootAircraft.append("Aircraft");
205 fgFindAircraftInDir(rootAircraft, obj, pred);
208 class FindAndCacheAircraft
211 FindAndCacheAircraft(SGPropertyNode* autoSave)
213 _cache = autoSave->getNode("sim/startup/path-cache", true);
218 std::string aircraft = fgGetString( "/sim/aircraft", "");
219 if (aircraft.empty()) {
220 SG_LOG(SG_GENERAL, SG_ALERT, "no aircraft specified");
224 _searchAircraft = aircraft + "-set.xml";
225 std::string aircraftDir = fgGetString("/sim/aircraft-dir", "");
226 if (!aircraftDir.empty()) {
227 // aircraft-dir was set, skip any searching at all, if it's valid
228 simgear::Dir acPath(aircraftDir);
229 SGPath setFile = acPath.file(_searchAircraft);
230 if (setFile.exists()) {
231 SG_LOG(SG_GENERAL, SG_INFO, "found aircraft in dir: " << aircraftDir );
234 readProperties(setFile.str(), globals->get_props());
235 } catch ( const sg_exception &e ) {
236 SG_LOG(SG_INPUT, SG_ALERT, "Error reading aircraft: " << e.getFormattedMessage());
242 SG_LOG(SG_GENERAL, SG_ALERT, "aircraft '" << _searchAircraft <<
243 "' not found in specified dir:" << aircraftDir);
249 // prepare cache for re-scan
250 SGPropertyNode *n = _cache->getNode("fg-root", true);
251 n->setStringValue(globals->get_fg_root().c_str());
252 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
253 n = _cache->getNode("fg-aircraft", true);
254 n->setStringValue(getAircraftPaths().c_str());
255 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
256 _cache->removeChildren("aircraft");
258 fgFindAircraft(this, &FindAndCacheAircraft::checkAircraft);
261 if (_foundPath.str().empty()) {
262 SG_LOG(SG_GENERAL, SG_ALERT, "Cannot find specified aircraft: " << aircraft );
266 SG_LOG(SG_GENERAL, SG_INFO, "Loading aircraft -set file from:" << _foundPath.str());
267 fgSetString( "/sim/aircraft-dir", _foundPath.dir().c_str());
268 if (!_foundPath.exists()) {
269 SG_LOG(SG_GENERAL, SG_ALERT, "Unable to find -set file:" << _foundPath.str());
274 readProperties(_foundPath.str(), globals->get_props());
275 } catch ( const sg_exception &e ) {
276 SG_LOG(SG_INPUT, SG_ALERT, "Error reading aircraft: " << e.getFormattedMessage());
284 SGPath getAircraftPaths() {
285 string_list pathList = globals->get_aircraft_paths();
286 SGPath aircraftPaths;
287 string_list::const_iterator it = pathList.begin();
288 if (it != pathList.end()) {
289 aircraftPaths.set(*it);
292 for (; it != pathList.end(); ++it) {
293 aircraftPaths.add(*it);
295 return aircraftPaths;
300 if (globals->get_fg_root() != _cache->getStringValue("fg-root", "")) {
301 return false; // cache mismatch
304 if (getAircraftPaths().str() != _cache->getStringValue("fg-aircraft", "")) {
305 return false; // cache mismatch
308 vector<SGPropertyNode_ptr> cache = _cache->getChildren("aircraft");
309 for (unsigned int i = 0; i < cache.size(); i++) {
310 const char *name = cache[i]->getStringValue("file", "");
311 if (!boost::equals(_searchAircraft, name, is_iequal())) {
315 SGPath xml(cache[i]->getStringValue("path", ""));
323 } // of aircraft in cache iteration
328 bool checkAircraft(const SGPath& p)
333 if (!_cache->getChild("aircraft", i++, false))
337 SGPropertyNode *n, *entry = _cache->getChild("aircraft", --i, true);
339 std::string fileName(p.file());
340 n = entry->getNode("file", true);
341 n->setStringValue(fileName);
342 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
344 n = entry->getNode("path", true);
345 n->setStringValue(p.dir());
346 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
348 if ( boost::equals(fileName, _searchAircraft.c_str(), is_iequal()) ) {
356 std::string _searchAircraft;
358 SGPropertyNode* _cache;
362 static SGPath platformDefaultDataPath()
364 char *envp = ::getenv( "APPDATA" );
365 SGPath config( envp );
366 config.append( "flightgear.org" );
371 #include <CoreServices/CoreServices.h>
373 static SGPath platformDefaultDataPath()
376 OSErr err = FSFindFolder(kUserDomain, kApplicationSupportFolderType, false, &ref);
381 unsigned char path[1024];
382 if (FSRefMakePath(&ref, path, 1024) != noErr) {
387 appData.set((const char*) path);
388 appData.append("FlightGear");
392 static SGPath platformDefaultDataPath()
394 SGPath config( getenv("HOME") );
395 config.append( ".fgfs" );
402 SGPath dataPath = platformDefaultDataPath();
403 const char *fg_home = getenv("FG_HOME");
407 globals->set_fg_home(dataPath.c_str());
410 // Read in configuration (file and command line)
411 bool fgInitConfig ( int argc, char **argv )
413 SGPath dataPath = globals->get_fg_home();
414 simgear::Dir exportDir(simgear::Dir(dataPath).file("Export"));
415 if (!exportDir.exists()) {
416 exportDir.create(0777);
419 // Set /sim/fg-home and don't allow malign code to override it until
420 // Nasal security is set up. Use FG_HOME if necessary.
421 SGPropertyNode *home = fgGetNode("/sim", true);
422 home->removeChild("fg-home", 0, false);
423 home = home->getChild("fg-home", 0, true);
424 home->setStringValue(dataPath.c_str());
425 home->setAttribute(SGPropertyNode::WRITE, false);
427 flightgear::Options* options = flightgear::Options::sharedInstance();
428 options->init(argc, argv, dataPath);
429 bool loadDefaults = flightgear::Options::sharedInstance()->shouldLoadDefaultConfig();
431 // Read global preferences from $FG_ROOT/preferences.xml
432 SG_LOG(SG_INPUT, SG_INFO, "Reading global preferences");
433 fgLoadProps("preferences.xml", globals->get_props());
434 SG_LOG(SG_INPUT, SG_INFO, "Finished Reading global preferences");
436 // do not load user settings when reset to default is requested
437 if (flightgear::Options::sharedInstance()->isOptionSet("restore-defaults"))
439 SG_LOG(SG_ALL, SG_ALERT, "Ignoring user settings. Restoring defaults.");
443 globals->loadUserSettings(dataPath);
446 SG_LOG(SG_GENERAL, SG_INFO, "not reading default configuration files");
447 }// of no-default-config selected
449 // Scan user config files and command line for a specified aircraft.
450 options->initAircraft();
452 FindAndCacheAircraft f(globals->get_props());
453 if (!f.loadAircraft()) {
457 // parse options after loading aircraft to ensure any user
458 // overrides of defaults are honored.
459 options->processOptions();
467 * Initialize vor/ndb/ils/fix list management and query systems (as
468 * well as simple airport db list)
469 * This is called multiple times in the case of a cache rebuild,
470 * to allow length caching to take place in the background, without
471 * blocking the main/UI thread.
476 flightgear::NavDataCache* cache = flightgear::NavDataCache::instance();
477 static bool doingRebuild = false;
478 if (doingRebuild || cache->isRebuildRequired()) {
480 bool finished = cache->rebuild();
482 // sleep to give the rebuild thread more time
483 SGTimeStamp::sleepForMSec(50);
488 FGTACANList *channellist = new FGTACANList;
489 globals->set_channellist( channellist );
491 SGPath path(globals->get_fg_root());
492 path.append( "Navaids/TACAN_freq.dat" );
493 flightgear::loadTacan(path, channellist);
498 // General house keeping initializations
499 bool fgInitGeneral() {
502 SG_LOG( SG_GENERAL, SG_INFO, "General Initialization" );
503 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
505 root = globals->get_fg_root();
506 if ( ! root.length() ) {
507 // No root path set? Then bail ...
508 SG_LOG( SG_GENERAL, SG_ALERT,
509 "Cannot continue without a path to the base package "
510 << "being defined." );
513 SG_LOG( SG_GENERAL, SG_INFO, "FG_ROOT = " << '"' << root << '"' << endl );
515 // Note: browser command is hard-coded for Mac/Windows, so this only affects other platforms
516 globals->set_browser(fgGetString("/sim/startup/browser-app", WEB_BROWSER));
517 fgSetString("/sim/startup/browser-app", globals->get_browser());
519 simgear::Dir cwd(simgear::Dir::current());
520 SGPropertyNode *curr = fgGetNode("/sim", true);
521 curr->removeChild("fg-current", 0, false);
522 curr = curr->getChild("fg-current", 0, true);
523 curr->setStringValue(cwd.path().str());
524 curr->setAttribute(SGPropertyNode::WRITE, false);
526 fgSetBool("/sim/startup/stdout-to-terminal", isatty(1) != 0 );
527 fgSetBool("/sim/startup/stderr-to-terminal", isatty(2) != 0 );
531 // Write various configuraton values out to the logs
532 void fgOutputSettings()
534 SG_LOG( SG_GENERAL, SG_INFO, "Configuration State" );
535 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
537 SG_LOG( SG_GENERAL, SG_INFO, "aircraft-dir = " << '"' << fgGetString("/sim/aircraft-dir") << '"' );
538 SG_LOG( SG_GENERAL, SG_INFO, "fghome-dir = " << '"' << globals->get_fg_home() << '"');
539 SG_LOG( SG_GENERAL, SG_INFO, "aircraft-dir = " << '"' << fgGetString("/sim/aircraft-dir") << '"');
541 SG_LOG( SG_GENERAL, SG_INFO, "aircraft-search-paths = \n\t" << simgear::strutils::join(globals->get_aircraft_paths(), "\n\t") );
542 SG_LOG( SG_GENERAL, SG_INFO, "scenery-search-paths = \n\t" << simgear::strutils::join(globals->get_fg_scenery(), "\n\t") );
545 // This is the top level init routine which calls all the other
546 // initialization routines. If you are adding a subsystem to flight
547 // gear, its initialization call should located in this routine.
548 // Returns non-zero if a problem encountered.
549 void fgCreateSubsystems() {
551 SG_LOG( SG_GENERAL, SG_INFO, "Creating Subsystems");
552 SG_LOG( SG_GENERAL, SG_INFO, "========== ==========");
554 ////////////////////////////////////////////////////////////////////
555 // Initialize the sound subsystem.
556 ////////////////////////////////////////////////////////////////////
557 // Sound manager uses an own subsystem group "SOUND" which is the last
558 // to be updated in every loop.
559 // Sound manager is updated last so it can use the CPU while the GPU
560 // is processing the scenery (doubled the frame-rate for me) -EMH-
561 globals->add_subsystem("sound", new FGSoundManager, SGSubsystemMgr::SOUND);
563 ////////////////////////////////////////////////////////////////////
564 // Initialize the event manager subsystem.
565 ////////////////////////////////////////////////////////////////////
567 globals->get_event_mgr()->init();
568 globals->get_event_mgr()->setRealtimeProperty(fgGetNode("/sim/time/delta-realtime-sec", true));
570 ////////////////////////////////////////////////////////////////////
571 // Initialize the property interpolator subsystem. Put into the INIT
572 // group because the "nasal" subsystem may need it at GENERAL take-down.
573 ////////////////////////////////////////////////////////////////////
574 FGInterpolator* interp = new FGInterpolator;
575 interp->setRealtimeProperty(fgGetNode("/sim/time/delta-realtime-sec", true));
576 globals->add_subsystem("prop-interpolator", interp, SGSubsystemMgr::INIT);
577 SGPropertyNode::setInterpolationMgr(interp);
579 ////////////////////////////////////////////////////////////////////
580 // Add the FlightGear property utilities.
581 ////////////////////////////////////////////////////////////////////
582 globals->add_subsystem("properties", new FGProperties);
585 ////////////////////////////////////////////////////////////////////
586 // Add the performance monitoring system.
587 ////////////////////////////////////////////////////////////////////
588 globals->add_subsystem("performance-mon",
589 new SGPerformanceMonitor(globals->get_subsystem_mgr(),
590 fgGetNode("/sim/performance-monitor", true)));
592 ////////////////////////////////////////////////////////////////////
593 // Initialize the material property subsystem.
594 ////////////////////////////////////////////////////////////////////
596 SGPath mpath( globals->get_fg_root() );
597 mpath.append( fgGetString("/sim/rendering/materials-file") );
598 if ( ! globals->get_matlib()->load(globals->get_fg_root(), mpath.str(),
599 globals->get_props()) ) {
600 SG_LOG( SG_GENERAL, SG_ALERT,
601 "Error loading materials file " << mpath.str() );
605 globals->add_subsystem( "http", new FGHTTPClient );
607 ////////////////////////////////////////////////////////////////////
608 // Initialize the scenery management subsystem.
609 ////////////////////////////////////////////////////////////////////
611 globals->get_scenery()->get_scene_graph()
612 ->addChild(simgear::Particles::getCommonRoot());
613 simgear::GlobalParticleCallback::setSwitch(fgGetNode("/sim/rendering/particles", true));
615 ////////////////////////////////////////////////////////////////////
616 // Initialize the flight model subsystem.
617 ////////////////////////////////////////////////////////////////////
619 globals->add_subsystem("flight", new FDMShell, SGSubsystemMgr::FDM);
621 ////////////////////////////////////////////////////////////////////
622 // Initialize the weather subsystem.
623 ////////////////////////////////////////////////////////////////////
625 // Initialize the weather modeling subsystem
626 globals->add_subsystem("environment", new FGEnvironmentMgr);
627 globals->add_subsystem("ephemeris", new Ephemeris);
629 ////////////////////////////////////////////////////////////////////
630 // Initialize the aircraft systems and instrumentation (before the
632 ////////////////////////////////////////////////////////////////////
634 globals->add_subsystem("systems", new FGSystemMgr, SGSubsystemMgr::FDM);
635 globals->add_subsystem("instrumentation", new FGInstrumentMgr, SGSubsystemMgr::FDM);
636 globals->add_subsystem("hud", new HUD, SGSubsystemMgr::DISPLAY);
637 globals->add_subsystem("cockpit-displays", new flightgear::CockpitDisplayManager, SGSubsystemMgr::DISPLAY);
639 ////////////////////////////////////////////////////////////////////
640 // Initialize the XML Autopilot subsystem.
641 ////////////////////////////////////////////////////////////////////
643 globals->add_subsystem( "xml-autopilot", FGXMLAutopilotGroup::createInstance("autopilot"), SGSubsystemMgr::FDM );
644 globals->add_subsystem( "xml-proprules", FGXMLAutopilotGroup::createInstance("property-rule"), SGSubsystemMgr::GENERAL );
645 globals->add_subsystem( "route-manager", new FGRouteMgr );
647 ////////////////////////////////////////////////////////////////////
648 // Initialize the Input-Output subsystem
649 ////////////////////////////////////////////////////////////////////
650 globals->add_subsystem( "io", new FGIO );
652 ////////////////////////////////////////////////////////////////////
653 // Create and register the logger.
654 ////////////////////////////////////////////////////////////////////
656 globals->add_subsystem("logger", new FGLogger);
658 ////////////////////////////////////////////////////////////////////
659 // Create and register the XML GUI.
660 ////////////////////////////////////////////////////////////////////
662 globals->add_subsystem("gui", new NewGUI, SGSubsystemMgr::INIT);
664 //////////////////////////////////////////////////////////////////////
665 // Initialize the 2D cloud subsystem.
666 ////////////////////////////////////////////////////////////////////
667 fgGetBool("/sim/rendering/bump-mapping", false);
669 ////////////////////////////////////////////////////////////////////
670 // Initialize the canvas 2d drawing subsystem.
671 ////////////////////////////////////////////////////////////////////
672 globals->add_subsystem("Canvas", new CanvasMgr, SGSubsystemMgr::DISPLAY);
673 globals->add_subsystem("CanvasGUI", new GUIMgr, SGSubsystemMgr::DISPLAY);
675 ////////////////////////////////////////////////////////////////////
676 // Initialise the ATIS Manager
677 // Note that this is old stuff, but is necessary for the
678 // current ATIS implementation. Therefore, leave it in here
679 // until the ATIS system is ported over to make use of the ATIS
680 // sub system infrastructure.
681 ////////////////////////////////////////////////////////////////////
683 globals->add_subsystem("ATIS", new FGATISMgr, SGSubsystemMgr::INIT, 0.4);
685 ////////////////////////////////////////////////////////////////////
686 // Initialize the ATC subsystem
687 ////////////////////////////////////////////////////////////////////
688 globals->add_subsystem("ATC", new FGATCManager, SGSubsystemMgr::POST_FDM);
690 ////////////////////////////////////////////////////////////////////
691 // Initialize multiplayer subsystem
692 ////////////////////////////////////////////////////////////////////
694 globals->add_subsystem("mp", new FGMultiplayMgr, SGSubsystemMgr::POST_FDM);
696 ////////////////////////////////////////////////////////////////////
697 // Initialise the AI Model Manager
698 ////////////////////////////////////////////////////////////////////
699 SG_LOG(SG_GENERAL, SG_INFO, " AI Model Manager");
700 globals->add_subsystem("ai-model", new FGAIManager, SGSubsystemMgr::POST_FDM);
701 globals->add_subsystem("submodel-mgr", new FGSubmodelMgr, SGSubsystemMgr::POST_FDM);
704 // It's probably a good idea to initialize the top level traffic manager
705 // After the AI and ATC systems have been initialized properly.
706 // AI Traffic manager
707 globals->add_subsystem("traffic-manager", new FGTrafficManager, SGSubsystemMgr::POST_FDM);
709 ////////////////////////////////////////////////////////////////////
710 // Add a new 2D panel.
711 ////////////////////////////////////////////////////////////////////
713 fgSetArchivable("/sim/panel/visibility");
714 fgSetArchivable("/sim/panel/x-offset");
715 fgSetArchivable("/sim/panel/y-offset");
716 fgSetArchivable("/sim/panel/jitter");
718 ////////////////////////////////////////////////////////////////////
719 // Initialize the controls subsystem.
720 ////////////////////////////////////////////////////////////////////
722 globals->add_subsystem("controls", new FGControls, SGSubsystemMgr::GENERAL);
724 ////////////////////////////////////////////////////////////////////
725 // Initialize the input subsystem.
726 ////////////////////////////////////////////////////////////////////
728 globals->add_subsystem("input", new FGInput, SGSubsystemMgr::GENERAL);
731 ////////////////////////////////////////////////////////////////////
732 // Initialize the replay subsystem
733 ////////////////////////////////////////////////////////////////////
734 globals->add_subsystem("replay", new FGReplay);
735 globals->add_subsystem("history", new FGFlightHistory);
737 #ifdef ENABLE_AUDIO_SUPPORT
738 ////////////////////////////////////////////////////////////////////
739 // Initialize the sound-effects subsystem.
740 ////////////////////////////////////////////////////////////////////
741 globals->add_subsystem("voice", new FGVoiceMgr, SGSubsystemMgr::DISPLAY);
744 ////////////////////////////////////////////////////////////////////
745 // Initialize the lighting subsystem.
746 ////////////////////////////////////////////////////////////////////
748 globals->add_subsystem("lighting", new FGLight, SGSubsystemMgr::DISPLAY);
750 // ordering here is important : Nasal (via events), then models, then views
751 globals->add_subsystem("events", globals->get_event_mgr(), SGSubsystemMgr::DISPLAY);
753 globals->add_subsystem("aircraft-model", new FGAircraftModel, SGSubsystemMgr::DISPLAY);
754 globals->add_subsystem("model-manager", new FGModelMgr, SGSubsystemMgr::DISPLAY);
756 globals->add_subsystem("view-manager", new FGViewMgr, SGSubsystemMgr::DISPLAY);
758 globals->add_subsystem("tile-manager", globals->get_tile_mgr(),
759 SGSubsystemMgr::DISPLAY);
762 void fgPostInitSubsystems()
767 ////////////////////////////////////////////////////////////////////////
768 // Initialize the Nasal interpreter.
769 // Do this last, so that the loaded scripts see initialized state
770 ////////////////////////////////////////////////////////////////////////
771 FGNasalSys* nasal = new FGNasalSys();
772 globals->add_subsystem("nasal", nasal, SGSubsystemMgr::INIT);
774 SG_LOG(SG_GENERAL, SG_INFO, "Nasal init took:" << st.elapsedMSec());
776 // Ensure IOrules and path validation are working properly by trying to
777 // access a folder/file which should never be accessible.
778 const char* no_access_path =
784 if( fgValidatePath(no_access_path, true) )
789 "Check your IOrules! (write to '" << no_access_path << "' is allowed)"
791 if( fgValidatePath(no_access_path, false) )
796 "Check your IOrules! (read from '" << no_access_path << "' is allowed)"
799 // initialize methods that depend on other subsystems.
801 globals->get_subsystem_mgr()->postinit();
802 SG_LOG(SG_GENERAL, SG_INFO, "Subsystems postinit took:" << st.elapsedMSec());
804 ////////////////////////////////////////////////////////////////////////
805 // End of subsystem initialization.
806 ////////////////////////////////////////////////////////////////////
808 fgSetBool("/sim/crashed", false);
809 fgSetBool("/sim/initialized", true);
811 SG_LOG( SG_GENERAL, SG_INFO, endl);
813 // Save the initial state for future
815 globals->saveInitialState();
818 // Reset: this is what the 'reset' command (and hence, GUI) is attached to
819 void fgReInitSubsystems()
821 SGPropertyNode *master_freeze = fgGetNode("/sim/freeze/master");
823 SG_LOG( SG_GENERAL, SG_INFO, "fgReInitSubsystems()");
825 // setup state to begin re-init
826 bool freeze = master_freeze->getBoolValue();
828 master_freeze->setBoolValue(true);
831 fgSetBool("/sim/signals/reinit", true);
832 fgSetBool("/sim/crashed", false);
834 // do actual re-init steps
835 globals->get_subsystem("flight")->unbind();
837 // reset control state, before restoring initial state; -set or config files
838 // may specify values for flaps, trim tabs, magnetos, etc
839 globals->get_controls()->reset_all();
841 globals->restoreInitialState();
843 // update our position based on current presets
844 // this will mark position as needed finalized which we'll do in the
846 flightgear::initPosition();
848 // Force reupdating the positions of the ai 3d models. They are used for
849 // initializing ground level for the FDM.
850 globals->get_subsystem("ai-model")->reinit();
852 // Initialize the FDM
853 globals->get_subsystem("flight")->reinit();
855 // reset replay buffers
856 globals->get_subsystem("replay")->reinit();
858 // reload offsets from config defaults
859 globals->get_viewmgr()->reinit();
861 // ugly: finalizePosition waits for METAR to arrive for the new airport.
862 // we don't re-init the environment manager here, since historically we did
863 // not, and doing so seems to have other issues. All that's needed is to
864 // schedule METAR fetch immediately, so it's available for finalizePosition.
865 // So we manually extract the METAR-fetching component inside the environment
866 // manager, and re-init that.
867 SGSubsystemGroup* envMgr = static_cast<SGSubsystemGroup*>(globals->get_subsystem("environment"));
869 envMgr->get_subsystem("realwx")->reinit();
872 globals->get_subsystem("time")->reinit();
874 // need to bind FDMshell again, since we manually unbound it above...
875 globals->get_subsystem("flight")->bind();
877 // need to reset aircraft (systems/instruments) so they can adapt to current environment
878 globals->get_subsystem("systems")->reinit();
879 globals->get_subsystem("instrumentation")->reinit();
881 globals->get_subsystem("ATIS")->reinit();
883 // setup state to end re-init
884 fgSetBool("/sim/signals/reinit", false);
886 master_freeze->setBoolValue(false);
888 fgSetBool("/sim/sceneryloaded",false);
892 ///////////////////////////////////////////////////////////////////////////////
893 // helper object to implement the --show-aircraft command.
894 // resides here so we can share the fgFindAircraftInDir template above,
895 // and hence ensure this command lists exectly the same aircraft as the normal
902 _minStatus = getNumMaturity(fgGetString("/sim/aircraft-min-status", "all"));
906 void show(const SGPath& path)
908 fgFindAircraftInDir(path, this, &ShowAircraft::processAircraft);
910 std::sort(_aircraft.begin(), _aircraft.end(), ciLessLibC());
911 SG_LOG( SG_GENERAL, SG_ALERT, "" ); // To popup the console on Windows
912 cout << "Available aircraft:" << endl;
913 for ( unsigned int i = 0; i < _aircraft.size(); i++ ) {
914 cout << _aircraft[i] << endl;
919 bool processAircraft(const SGPath& path)
923 readProperties(path.str(), &root);
924 } catch (sg_exception& ) {
930 descStr += path.file();
931 // trim common suffix from file names
932 int nPos = descStr.rfind("-set.xml");
933 if (nPos == (int)(descStr.size() - 8)) {
934 descStr.resize(nPos);
937 SGPropertyNode *node = root.getNode("sim");
939 SGPropertyNode* desc = node->getNode("description");
940 // if a status tag is found, read it in
941 if (node->hasValue("status")) {
942 maturity = getNumMaturity(node->getStringValue("status"));
946 if (descStr.size() <= 27+3) {
947 descStr.append(29+3-descStr.size(), ' ');
950 descStr.append( 32, ' ');
952 descStr += desc->getStringValue();
954 } // of have 'sim' node
956 if (maturity < _minStatus) {
960 _aircraft.push_back(descStr);
965 int getNumMaturity(const char * str)
967 // changes should also be reflected in $FG_ROOT/data/options.xml &
968 // $FG_ROOT/data/Translations/string-default.xml
969 const char* levels[] = {"alpha","beta","early-production","production"};
971 if (!strcmp(str, "all")) {
975 for (size_t i=0; i<(sizeof(levels)/sizeof(levels[0]));i++)
976 if (strcmp(str,levels[i])==0)
982 // recommended in Meyers, Effective STL when internationalization and embedded
983 // NULLs aren't an issue. Much faster than the STL or Boost lex versions.
984 struct ciLessLibC : public std::binary_function<string, string, bool>
986 bool operator()(const std::string &lhs, const std::string &rhs) const
988 return strcasecmp(lhs.c_str(), rhs.c_str()) < 0 ? 1 : 0;
993 string_list _aircraft;
996 void fgShowAircraft(const SGPath &path)
1002 cout << "Hit a key to continue..." << endl;