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/misc/interpolator.hxx>
55 #include <simgear/scene/material/matlib.hxx>
56 #include <simgear/scene/model/particles.hxx>
58 #include <Aircraft/controls.hxx>
59 #include <Aircraft/replay.hxx>
60 #include <Aircraft/FlightHistory.hxx>
61 #include <Airports/runways.hxx>
62 #include <Airports/simple.hxx>
63 #include <Airports/dynamics.hxx>
65 #include <AIModel/AIManager.hxx>
67 #include <ATCDCL/ATISmgr.hxx>
68 #include <ATC/atc_mgr.hxx>
70 #include <Autopilot/route_mgr.hxx>
71 #include <Autopilot/autopilotgroup.hxx>
73 #include <Cockpit/panel.hxx>
74 #include <Cockpit/panel_io.hxx>
76 #include <Canvas/canvas_mgr.hxx>
77 #include <Canvas/gui_mgr.hxx>
78 #include <GUI/new_gui.hxx>
79 #include <Input/input.hxx>
80 #include <Instrumentation/instrument_mgr.hxx>
81 #include <Model/acmodel.hxx>
82 #include <Model/modelmgr.hxx>
83 #include <AIModel/submodel.hxx>
84 #include <AIModel/AIManager.hxx>
85 #include <Navaids/navdb.hxx>
86 #include <Navaids/navlist.hxx>
87 #include <Scenery/scenery.hxx>
88 #include <Scenery/tilemgr.hxx>
89 #include <Scripting/NasalSys.hxx>
90 #include <Sound/voice.hxx>
91 #include <Sound/soundmanager.hxx>
92 #include <Systems/system_mgr.hxx>
93 #include <Time/light.hxx>
94 #include <Traffic/TrafficMgr.hxx>
95 #include <MultiPlayer/multiplaymgr.hxx>
96 #include <FDM/fdm_shell.hxx>
97 #include <Environment/ephemeris.hxx>
98 #include <Environment/environment_mgr.hxx>
99 #include <Viewer/renderer.hxx>
100 #include <Viewer/viewmgr.hxx>
101 #include <Navaids/NavDataCache.hxx>
102 #include <Instrumentation/HUD/HUD.hxx>
103 #include <Cockpit/cockpitDisplayManager.hxx>
104 #include <Network/HTTPClient.hxx>
106 #include "fg_init.hxx"
108 #include "fg_commands.hxx"
109 #include "fg_props.hxx"
110 #include "options.hxx"
111 #include "globals.hxx"
112 #include "logger.hxx"
114 #include "positioninit.hxx"
120 using namespace boost::algorithm;
123 // Return the current base package version
124 string fgBasePackageVersion() {
125 SGPath base_path( globals->get_fg_root() );
126 base_path.append("version");
128 sg_gzifstream in( base_path.str() );
129 if ( !in.is_open() ) {
130 SGPath old_path( globals->get_fg_root() );
131 old_path.append( "Thanks" );
132 sg_gzifstream old( old_path.str() );
133 if ( !old.is_open() ) {
136 return "[old version]";
148 bool fgFindAircraftInDir(const SGPath& dirPath, T* obj, bool (T::*pred)(const SGPath& p))
150 if (!dirPath.exists()) {
151 SG_LOG(SG_GENERAL, SG_WARN, "fgFindAircraftInDir: no such path:" << dirPath.str());
156 simgear::Dir dir(dirPath);
157 simgear::PathList setFiles(dir.children(simgear::Dir::TYPE_FILE, "-set.xml"));
158 simgear::PathList::iterator p;
159 for (p = setFiles.begin(); p != setFiles.end(); ++p) {
160 // check file name ends with -set.xml
162 // if we found a -set.xml at this level, don't recurse any deeper
165 bool done = (obj->*pred)(*p);
169 } // of -set.xml iteration
175 simgear::PathList subdirs(dir.children(simgear::Dir::TYPE_DIR | simgear::Dir::NO_DOT_OR_DOTDOT));
176 for (p = subdirs.begin(); p != subdirs.end(); ++p) {
177 if (p->file() == "CVS") {
181 if (fgFindAircraftInDir(*p, obj, pred)) {
184 } // of subdirs iteration
190 void fgFindAircraft(T* obj, bool (T::*pred)(const SGPath& p))
192 const string_list& paths(globals->get_aircraft_paths());
193 string_list::const_iterator it = paths.begin();
194 for (; it != paths.end(); ++it) {
195 bool done = fgFindAircraftInDir(SGPath(*it), obj, pred);
199 } // of aircraft paths iteration
201 // if we reach this point, search the default location (always last)
202 SGPath rootAircraft(globals->get_fg_root());
203 rootAircraft.append("Aircraft");
204 fgFindAircraftInDir(rootAircraft, obj, pred);
207 class FindAndCacheAircraft
210 FindAndCacheAircraft(SGPropertyNode* autoSave)
212 _cache = autoSave->getNode("sim/startup/path-cache", true);
217 std::string aircraft = fgGetString( "/sim/aircraft", "");
218 if (aircraft.empty()) {
219 SG_LOG(SG_GENERAL, SG_ALERT, "no aircraft specified");
223 _searchAircraft = aircraft + "-set.xml";
224 std::string aircraftDir = fgGetString("/sim/aircraft-dir", "");
225 if (!aircraftDir.empty()) {
226 // aircraft-dir was set, skip any searching at all, if it's valid
227 simgear::Dir acPath(aircraftDir);
228 SGPath setFile = acPath.file(_searchAircraft);
229 if (setFile.exists()) {
230 SG_LOG(SG_GENERAL, SG_INFO, "found aircraft in dir: " << aircraftDir );
233 readProperties(setFile.str(), globals->get_props());
234 } catch ( const sg_exception &e ) {
235 SG_LOG(SG_INPUT, SG_ALERT, "Error reading aircraft: " << e.getFormattedMessage());
241 SG_LOG(SG_GENERAL, SG_ALERT, "aircraft '" << _searchAircraft <<
242 "' not found in specified dir:" << aircraftDir);
248 // prepare cache for re-scan
249 SGPropertyNode *n = _cache->getNode("fg-root", true);
250 n->setStringValue(globals->get_fg_root().c_str());
251 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
252 n = _cache->getNode("fg-aircraft", true);
253 n->setStringValue(getAircraftPaths().c_str());
254 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
255 _cache->removeChildren("aircraft");
257 fgFindAircraft(this, &FindAndCacheAircraft::checkAircraft);
260 if (_foundPath.str().empty()) {
261 SG_LOG(SG_GENERAL, SG_ALERT, "Cannot find specified aircraft: " << aircraft );
265 SG_LOG(SG_GENERAL, SG_INFO, "Loading aircraft -set file from:" << _foundPath.str());
266 fgSetString( "/sim/aircraft-dir", _foundPath.dir().c_str());
267 if (!_foundPath.exists()) {
268 SG_LOG(SG_GENERAL, SG_ALERT, "Unable to find -set file:" << _foundPath.str());
273 readProperties(_foundPath.str(), globals->get_props());
274 } catch ( const sg_exception &e ) {
275 SG_LOG(SG_INPUT, SG_ALERT, "Error reading aircraft: " << e.getFormattedMessage());
283 SGPath getAircraftPaths() {
284 string_list pathList = globals->get_aircraft_paths();
285 SGPath aircraftPaths;
286 string_list::const_iterator it = pathList.begin();
287 if (it != pathList.end()) {
288 aircraftPaths.set(*it);
291 for (; it != pathList.end(); ++it) {
292 aircraftPaths.add(*it);
294 return aircraftPaths;
299 if (globals->get_fg_root() != _cache->getStringValue("fg-root", "")) {
300 return false; // cache mismatch
303 if (getAircraftPaths().str() != _cache->getStringValue("fg-aircraft", "")) {
304 return false; // cache mismatch
307 vector<SGPropertyNode_ptr> cache = _cache->getChildren("aircraft");
308 for (unsigned int i = 0; i < cache.size(); i++) {
309 const char *name = cache[i]->getStringValue("file", "");
310 if (!boost::equals(_searchAircraft, name, is_iequal())) {
314 SGPath xml(cache[i]->getStringValue("path", ""));
322 } // of aircraft in cache iteration
327 bool checkAircraft(const SGPath& p)
332 if (!_cache->getChild("aircraft", i++, false))
336 SGPropertyNode *n, *entry = _cache->getChild("aircraft", --i, true);
338 std::string fileName(p.file());
339 n = entry->getNode("file", true);
340 n->setStringValue(fileName);
341 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
343 n = entry->getNode("path", true);
344 n->setStringValue(p.dir());
345 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
347 if ( boost::equals(fileName, _searchAircraft.c_str(), is_iequal()) ) {
355 std::string _searchAircraft;
357 SGPropertyNode* _cache;
361 static SGPath platformDefaultDataPath()
363 char *envp = ::getenv( "APPDATA" );
364 SGPath config( envp );
365 config.append( "flightgear.org" );
370 #include <CoreServices/CoreServices.h>
372 static SGPath platformDefaultDataPath()
375 OSErr err = FSFindFolder(kUserDomain, kApplicationSupportFolderType, false, &ref);
380 unsigned char path[1024];
381 if (FSRefMakePath(&ref, path, 1024) != noErr) {
386 appData.set((const char*) path);
387 appData.append("FlightGear");
391 static SGPath platformDefaultDataPath()
393 SGPath config( getenv("HOME") );
394 config.append( ".fgfs" );
401 SGPath dataPath = platformDefaultDataPath();
402 const char *fg_home = getenv("FG_HOME");
406 globals->set_fg_home(dataPath.c_str());
409 // Read in configuration (file and command line)
410 bool fgInitConfig ( int argc, char **argv )
412 SGPath dataPath = globals->get_fg_home();
413 simgear::Dir exportDir(simgear::Dir(dataPath).file("Export"));
414 if (!exportDir.exists()) {
415 exportDir.create(0777);
418 // Set /sim/fg-home and don't allow malign code to override it until
419 // Nasal security is set up. Use FG_HOME if necessary.
420 SGPropertyNode *home = fgGetNode("/sim", true);
421 home->removeChild("fg-home", 0, false);
422 home = home->getChild("fg-home", 0, true);
423 home->setStringValue(dataPath.c_str());
424 home->setAttribute(SGPropertyNode::WRITE, false);
426 flightgear::Options* options = flightgear::Options::sharedInstance();
427 options->init(argc, argv, dataPath);
428 bool loadDefaults = flightgear::Options::sharedInstance()->shouldLoadDefaultConfig();
430 // Read global preferences from $FG_ROOT/preferences.xml
431 SG_LOG(SG_INPUT, SG_INFO, "Reading global preferences");
432 fgLoadProps("preferences.xml", globals->get_props());
433 SG_LOG(SG_INPUT, SG_INFO, "Finished Reading global preferences");
435 // do not load user settings when reset to default is requested
436 if (flightgear::Options::sharedInstance()->isOptionSet("restore-defaults"))
438 SG_LOG(SG_ALL, SG_ALERT, "Ignoring user settings. Restoring defaults.");
442 globals->loadUserSettings(dataPath);
445 SG_LOG(SG_GENERAL, SG_INFO, "not reading default configuration files");
446 }// of no-default-config selected
448 // Scan user config files and command line for a specified aircraft.
449 options->initAircraft();
451 FindAndCacheAircraft f(globals->get_props());
452 if (!f.loadAircraft()) {
456 // parse options after loading aircraft to ensure any user
457 // overrides of defaults are honored.
458 options->processOptions();
466 * Initialize vor/ndb/ils/fix list management and query systems (as
467 * well as simple airport db list)
468 * This is called multiple times in the case of a cache rebuild,
469 * to allow length caching to take place in the background, without
470 * blocking the main/UI thread.
475 flightgear::NavDataCache* cache = flightgear::NavDataCache::instance();
476 static bool doingRebuild = false;
477 if (doingRebuild || cache->isRebuildRequired()) {
479 bool finished = cache->rebuild();
481 // sleep to give the rebuild thread more time
482 SGTimeStamp::sleepForMSec(50);
487 FGTACANList *channellist = new FGTACANList;
488 globals->set_channellist( channellist );
490 SGPath path(globals->get_fg_root());
491 path.append( "Navaids/TACAN_freq.dat" );
492 flightgear::loadTacan(path, channellist);
497 // General house keeping initializations
498 bool fgInitGeneral() {
501 SG_LOG( SG_GENERAL, SG_INFO, "General Initialization" );
502 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
504 root = globals->get_fg_root();
505 if ( ! root.length() ) {
506 // No root path set? Then bail ...
507 SG_LOG( SG_GENERAL, SG_ALERT,
508 "Cannot continue without a path to the base package "
509 << "being defined." );
512 SG_LOG( SG_GENERAL, SG_INFO, "FG_ROOT = " << '"' << root << '"' << endl );
514 // Note: browser command is hard-coded for Mac/Windows, so this only affects other platforms
515 globals->set_browser(fgGetString("/sim/startup/browser-app", WEB_BROWSER));
516 fgSetString("/sim/startup/browser-app", globals->get_browser());
518 simgear::Dir cwd(simgear::Dir::current());
519 SGPropertyNode *curr = fgGetNode("/sim", true);
520 curr->removeChild("fg-current", 0, false);
521 curr = curr->getChild("fg-current", 0, true);
522 curr->setStringValue(cwd.path().str());
523 curr->setAttribute(SGPropertyNode::WRITE, false);
525 fgSetBool("/sim/startup/stdout-to-terminal", isatty(1) != 0 );
526 fgSetBool("/sim/startup/stderr-to-terminal", isatty(2) != 0 );
530 // Write various configuraton values out to the logs
531 void fgOutputSettings()
533 SG_LOG( SG_GENERAL, SG_INFO, "Configuration State" );
534 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
536 SG_LOG( SG_GENERAL, SG_INFO, "aircraft-dir = " << '"' << fgGetString("/sim/aircraft-dir") << '"' );
537 SG_LOG( SG_GENERAL, SG_INFO, "fghome-dir = " << '"' << globals->get_fg_home() << '"');
538 SG_LOG( SG_GENERAL, SG_INFO, "aircraft-dir = " << '"' << fgGetString("/sim/aircraft-dir") << '"');
540 SG_LOG( SG_GENERAL, SG_INFO, "aircraft-search-paths = \n\t" << simgear::strutils::join(globals->get_aircraft_paths(), "\n\t") );
541 SG_LOG( SG_GENERAL, SG_INFO, "scenery-search-paths = \n\t" << simgear::strutils::join(globals->get_fg_scenery(), "\n\t") );
544 // This is the top level init routine which calls all the other
545 // initialization routines. If you are adding a subsystem to flight
546 // gear, its initialization call should located in this routine.
547 // Returns non-zero if a problem encountered.
548 void fgCreateSubsystems() {
550 SG_LOG( SG_GENERAL, SG_INFO, "Creating Subsystems");
551 SG_LOG( SG_GENERAL, SG_INFO, "========== ==========");
553 ////////////////////////////////////////////////////////////////////
554 // Initialize the sound subsystem.
555 ////////////////////////////////////////////////////////////////////
556 // Sound manager uses an own subsystem group "SOUND" which is the last
557 // to be updated in every loop.
558 // Sound manager is updated last so it can use the CPU while the GPU
559 // is processing the scenery (doubled the frame-rate for me) -EMH-
560 globals->add_subsystem("sound", new FGSoundManager, SGSubsystemMgr::SOUND);
562 ////////////////////////////////////////////////////////////////////
563 // Initialize the event manager subsystem.
564 ////////////////////////////////////////////////////////////////////
566 globals->get_event_mgr()->init();
567 globals->get_event_mgr()->setRealtimeProperty(fgGetNode("/sim/time/delta-realtime-sec", true));
569 ////////////////////////////////////////////////////////////////////
570 // Initialize the property interpolator subsystem. Put into the INIT
571 // group because the "nasal" subsystem may need it at GENERAL take-down.
572 ////////////////////////////////////////////////////////////////////
573 globals->add_subsystem("interpolator", new SGInterpolator, SGSubsystemMgr::INIT);
576 ////////////////////////////////////////////////////////////////////
577 // Add the FlightGear property utilities.
578 ////////////////////////////////////////////////////////////////////
579 globals->add_subsystem("properties", new FGProperties);
582 ////////////////////////////////////////////////////////////////////
583 // Add the performance monitoring system.
584 ////////////////////////////////////////////////////////////////////
585 globals->add_subsystem("performance-mon",
586 new SGPerformanceMonitor(globals->get_subsystem_mgr(),
587 fgGetNode("/sim/performance-monitor", true)));
589 ////////////////////////////////////////////////////////////////////
590 // Initialize the material property subsystem.
591 ////////////////////////////////////////////////////////////////////
593 SGPath mpath( globals->get_fg_root() );
594 mpath.append( fgGetString("/sim/rendering/materials-file") );
595 if ( ! globals->get_matlib()->load(globals->get_fg_root(), mpath.str(),
596 globals->get_props()) ) {
597 SG_LOG( SG_GENERAL, SG_ALERT,
598 "Error loading materials file " << mpath.str() );
602 globals->add_subsystem( "http", new FGHTTPClient );
604 ////////////////////////////////////////////////////////////////////
605 // Initialize the scenery management subsystem.
606 ////////////////////////////////////////////////////////////////////
608 globals->get_scenery()->get_scene_graph()
609 ->addChild(simgear::Particles::getCommonRoot());
610 simgear::GlobalParticleCallback::setSwitch(fgGetNode("/sim/rendering/particles", true));
612 ////////////////////////////////////////////////////////////////////
613 // Initialize the flight model subsystem.
614 ////////////////////////////////////////////////////////////////////
616 globals->add_subsystem("flight", new FDMShell, SGSubsystemMgr::FDM);
618 ////////////////////////////////////////////////////////////////////
619 // Initialize the weather subsystem.
620 ////////////////////////////////////////////////////////////////////
622 // Initialize the weather modeling subsystem
623 globals->add_subsystem("environment", new FGEnvironmentMgr);
624 globals->add_subsystem("ephemeris", new Ephemeris);
626 ////////////////////////////////////////////////////////////////////
627 // Initialize the aircraft systems and instrumentation (before the
629 ////////////////////////////////////////////////////////////////////
631 globals->add_subsystem("systems", new FGSystemMgr, SGSubsystemMgr::FDM);
632 globals->add_subsystem("instrumentation", new FGInstrumentMgr, SGSubsystemMgr::FDM);
633 globals->add_subsystem("hud", new HUD, SGSubsystemMgr::DISPLAY);
634 globals->add_subsystem("cockpit-displays", new flightgear::CockpitDisplayManager, SGSubsystemMgr::DISPLAY);
636 ////////////////////////////////////////////////////////////////////
637 // Initialize the XML Autopilot subsystem.
638 ////////////////////////////////////////////////////////////////////
640 globals->add_subsystem( "xml-autopilot", FGXMLAutopilotGroup::createInstance("autopilot"), SGSubsystemMgr::FDM );
641 globals->add_subsystem( "xml-proprules", FGXMLAutopilotGroup::createInstance("property-rule"), SGSubsystemMgr::GENERAL );
642 globals->add_subsystem( "route-manager", new FGRouteMgr );
644 ////////////////////////////////////////////////////////////////////
645 // Initialize the Input-Output subsystem
646 ////////////////////////////////////////////////////////////////////
647 globals->add_subsystem( "io", new FGIO );
649 ////////////////////////////////////////////////////////////////////
650 // Create and register the logger.
651 ////////////////////////////////////////////////////////////////////
653 globals->add_subsystem("logger", new FGLogger);
655 ////////////////////////////////////////////////////////////////////
656 // Create and register the XML GUI.
657 ////////////////////////////////////////////////////////////////////
659 globals->add_subsystem("gui", new NewGUI, SGSubsystemMgr::INIT);
661 //////////////////////////////////////////////////////////////////////
662 // Initialize the 2D cloud subsystem.
663 ////////////////////////////////////////////////////////////////////
664 fgGetBool("/sim/rendering/bump-mapping", false);
666 ////////////////////////////////////////////////////////////////////
667 // Initialize the canvas 2d drawing subsystem.
668 ////////////////////////////////////////////////////////////////////
669 globals->add_subsystem("Canvas", new CanvasMgr, SGSubsystemMgr::DISPLAY);
670 globals->add_subsystem("CanvasGUI", new GUIMgr, SGSubsystemMgr::DISPLAY);
672 ////////////////////////////////////////////////////////////////////
673 // Initialise the ATIS Manager
674 // Note that this is old stuff, but is necessary for the
675 // current ATIS implementation. Therefore, leave it in here
676 // until the ATIS system is ported over to make use of the ATIS
677 // sub system infrastructure.
678 ////////////////////////////////////////////////////////////////////
680 globals->add_subsystem("ATIS", new FGATISMgr, SGSubsystemMgr::INIT, 0.4);
682 ////////////////////////////////////////////////////////////////////
683 // Initialize the ATC subsystem
684 ////////////////////////////////////////////////////////////////////
685 globals->add_subsystem("ATC", new FGATCManager, SGSubsystemMgr::POST_FDM);
687 ////////////////////////////////////////////////////////////////////
688 // Initialize multiplayer subsystem
689 ////////////////////////////////////////////////////////////////////
691 globals->add_subsystem("mp", new FGMultiplayMgr, SGSubsystemMgr::POST_FDM);
693 ////////////////////////////////////////////////////////////////////
694 // Initialise the AI Model Manager
695 ////////////////////////////////////////////////////////////////////
696 SG_LOG(SG_GENERAL, SG_INFO, " AI Model Manager");
697 globals->add_subsystem("ai-model", new FGAIManager, SGSubsystemMgr::POST_FDM);
698 globals->add_subsystem("submodel-mgr", new FGSubmodelMgr, SGSubsystemMgr::POST_FDM);
701 // It's probably a good idea to initialize the top level traffic manager
702 // After the AI and ATC systems have been initialized properly.
703 // AI Traffic manager
704 globals->add_subsystem("traffic-manager", new FGTrafficManager, SGSubsystemMgr::POST_FDM);
706 ////////////////////////////////////////////////////////////////////
707 // Add a new 2D panel.
708 ////////////////////////////////////////////////////////////////////
710 fgSetArchivable("/sim/panel/visibility");
711 fgSetArchivable("/sim/panel/x-offset");
712 fgSetArchivable("/sim/panel/y-offset");
713 fgSetArchivable("/sim/panel/jitter");
715 ////////////////////////////////////////////////////////////////////
716 // Initialize the controls subsystem.
717 ////////////////////////////////////////////////////////////////////
719 globals->add_subsystem("controls", new FGControls, SGSubsystemMgr::GENERAL);
721 ////////////////////////////////////////////////////////////////////
722 // Initialize the input subsystem.
723 ////////////////////////////////////////////////////////////////////
725 globals->add_subsystem("input", new FGInput, SGSubsystemMgr::GENERAL);
728 ////////////////////////////////////////////////////////////////////
729 // Initialize the replay subsystem
730 ////////////////////////////////////////////////////////////////////
731 globals->add_subsystem("replay", new FGReplay);
732 globals->add_subsystem("history", new FGFlightHistory);
734 #ifdef ENABLE_AUDIO_SUPPORT
735 ////////////////////////////////////////////////////////////////////
736 // Initialize the sound-effects subsystem.
737 ////////////////////////////////////////////////////////////////////
738 globals->add_subsystem("voice", new FGVoiceMgr, SGSubsystemMgr::DISPLAY);
741 ////////////////////////////////////////////////////////////////////
742 // Initialize the lighting subsystem.
743 ////////////////////////////////////////////////////////////////////
745 globals->add_subsystem("lighting", new FGLight, SGSubsystemMgr::DISPLAY);
747 // ordering here is important : Nasal (via events), then models, then views
748 globals->add_subsystem("events", globals->get_event_mgr(), SGSubsystemMgr::DISPLAY);
750 globals->add_subsystem("aircraft-model", new FGAircraftModel, SGSubsystemMgr::DISPLAY);
751 globals->add_subsystem("model-manager", new FGModelMgr, SGSubsystemMgr::DISPLAY);
753 globals->add_subsystem("view-manager", new FGViewMgr, SGSubsystemMgr::DISPLAY);
755 globals->add_subsystem("tile-manager", globals->get_tile_mgr(),
756 SGSubsystemMgr::DISPLAY);
759 void fgPostInitSubsystems()
764 ////////////////////////////////////////////////////////////////////////
765 // Initialize the Nasal interpreter.
766 // Do this last, so that the loaded scripts see initialized state
767 ////////////////////////////////////////////////////////////////////////
768 FGNasalSys* nasal = new FGNasalSys();
769 globals->add_subsystem("nasal", nasal, SGSubsystemMgr::INIT);
771 SG_LOG(SG_GENERAL, SG_INFO, "Nasal init took:" << st.elapsedMSec());
773 // initialize methods that depend on other subsystems.
775 globals->get_subsystem_mgr()->postinit();
776 SG_LOG(SG_GENERAL, SG_INFO, "Subsystems postinit took:" << st.elapsedMSec());
778 ////////////////////////////////////////////////////////////////////////
779 // End of subsystem initialization.
780 ////////////////////////////////////////////////////////////////////
782 fgSetBool("/sim/crashed", false);
783 fgSetBool("/sim/initialized", true);
785 SG_LOG( SG_GENERAL, SG_INFO, endl);
787 // Save the initial state for future
789 globals->saveInitialState();
792 // Reset: this is what the 'reset' command (and hence, GUI) is attached to
793 void fgReInitSubsystems()
795 SGPropertyNode *master_freeze = fgGetNode("/sim/freeze/master");
797 SG_LOG( SG_GENERAL, SG_INFO, "fgReInitSubsystems()");
799 // setup state to begin re-init
800 bool freeze = master_freeze->getBoolValue();
802 master_freeze->setBoolValue(true);
805 fgSetBool("/sim/signals/reinit", true);
806 fgSetBool("/sim/crashed", false);
808 // do actual re-init steps
809 globals->get_subsystem("flight")->unbind();
811 // reset control state, before restoring initial state; -set or config files
812 // may specify values for flaps, trim tabs, magnetos, etc
813 globals->get_controls()->reset_all();
815 globals->restoreInitialState();
817 // update our position based on current presets
818 // this will mark position as needed finalized which we'll do in the
820 flightgear::initPosition();
822 // Force reupdating the positions of the ai 3d models. They are used for
823 // initializing ground level for the FDM.
824 globals->get_subsystem("ai-model")->reinit();
826 // Initialize the FDM
827 globals->get_subsystem("flight")->reinit();
829 // reset replay buffers
830 globals->get_subsystem("replay")->reinit();
832 // reload offsets from config defaults
833 globals->get_viewmgr()->reinit();
835 // ugly: finalizePosition waits for METAR to arrive for the new airport.
836 // we don't re-init the environment manager here, since historically we did
837 // not, and doing so seems to have other issues. All that's needed is to
838 // schedule METAR fetch immediately, so it's available for finalizePosition.
839 // So we manually extract the METAR-fetching component inside the environment
840 // manager, and re-init that.
841 SGSubsystemGroup* envMgr = static_cast<SGSubsystemGroup*>(globals->get_subsystem("environment"));
843 envMgr->get_subsystem("realwx")->reinit();
846 globals->get_subsystem("time")->reinit();
848 // need to bind FDMshell again, since we manually unbound it above...
849 globals->get_subsystem("flight")->bind();
851 // need to reset aircraft (systems/instruments) so they can adapt to current environment
852 globals->get_subsystem("systems")->reinit();
853 globals->get_subsystem("instrumentation")->reinit();
855 globals->get_subsystem("ATIS")->reinit();
857 // setup state to end re-init
858 fgSetBool("/sim/signals/reinit", false);
860 master_freeze->setBoolValue(false);
862 fgSetBool("/sim/sceneryloaded",false);
866 ///////////////////////////////////////////////////////////////////////////////
867 // helper object to implement the --show-aircraft command.
868 // resides here so we can share the fgFindAircraftInDir template above,
869 // and hence ensure this command lists exectly the same aircraft as the normal
876 _minStatus = getNumMaturity(fgGetString("/sim/aircraft-min-status", "all"));
880 void show(const SGPath& path)
882 fgFindAircraftInDir(path, this, &ShowAircraft::processAircraft);
884 std::sort(_aircraft.begin(), _aircraft.end(), ciLessLibC());
885 SG_LOG( SG_GENERAL, SG_ALERT, "" ); // To popup the console on Windows
886 cout << "Available aircraft:" << endl;
887 for ( unsigned int i = 0; i < _aircraft.size(); i++ ) {
888 cout << _aircraft[i] << endl;
893 bool processAircraft(const SGPath& path)
897 readProperties(path.str(), &root);
898 } catch (sg_exception& ) {
904 descStr += path.file();
905 // trim common suffix from file names
906 int nPos = descStr.rfind("-set.xml");
907 if (nPos == (int)(descStr.size() - 8)) {
908 descStr.resize(nPos);
911 SGPropertyNode *node = root.getNode("sim");
913 SGPropertyNode* desc = node->getNode("description");
914 // if a status tag is found, read it in
915 if (node->hasValue("status")) {
916 maturity = getNumMaturity(node->getStringValue("status"));
920 if (descStr.size() <= 27+3) {
921 descStr.append(29+3-descStr.size(), ' ');
924 descStr.append( 32, ' ');
926 descStr += desc->getStringValue();
928 } // of have 'sim' node
930 if (maturity < _minStatus) {
934 _aircraft.push_back(descStr);
939 int getNumMaturity(const char * str)
941 // changes should also be reflected in $FG_ROOT/data/options.xml &
942 // $FG_ROOT/data/Translations/string-default.xml
943 const char* levels[] = {"alpha","beta","early-production","production"};
945 if (!strcmp(str, "all")) {
949 for (size_t i=0; i<(sizeof(levels)/sizeof(levels[0]));i++)
950 if (strcmp(str,levels[i])==0)
956 // recommended in Meyers, Effective STL when internationalization and embedded
957 // NULLs aren't an issue. Much faster than the STL or Boost lex versions.
958 struct ciLessLibC : public std::binary_function<string, string, bool>
960 bool operator()(const std::string &lhs, const std::string &rhs) const
962 return strcasecmp(lhs.c_str(), rhs.c_str()) < 0 ? 1 : 0;
967 string_list _aircraft;
970 void fgShowAircraft(const SGPath &path)
976 cout << "Hit a key to continue..." << endl;