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 <Airports/runways.hxx>
61 #include <Airports/simple.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>
103 #include "fg_init.hxx"
105 #include "fg_commands.hxx"
106 #include "fg_props.hxx"
107 #include "options.hxx"
108 #include "globals.hxx"
109 #include "logger.hxx"
111 #include "positioninit.hxx"
114 using namespace boost::algorithm;
117 // Return the current base package version
118 string fgBasePackageVersion() {
119 SGPath base_path( globals->get_fg_root() );
120 base_path.append("version");
122 sg_gzifstream in( base_path.str() );
123 if ( !in.is_open() ) {
124 SGPath old_path( globals->get_fg_root() );
125 old_path.append( "Thanks" );
126 sg_gzifstream old( old_path.str() );
127 if ( !old.is_open() ) {
130 return "[old version]";
142 bool fgFindAircraftInDir(const SGPath& dirPath, T* obj, bool (T::*pred)(const SGPath& p))
144 if (!dirPath.exists()) {
145 SG_LOG(SG_GENERAL, SG_WARN, "fgFindAircraftInDir: no such path:" << dirPath.str());
150 simgear::Dir dir(dirPath);
151 simgear::PathList setFiles(dir.children(simgear::Dir::TYPE_FILE, "-set.xml"));
152 simgear::PathList::iterator p;
153 for (p = setFiles.begin(); p != setFiles.end(); ++p) {
154 // check file name ends with -set.xml
156 // if we found a -set.xml at this level, don't recurse any deeper
159 bool done = (obj->*pred)(*p);
163 } // of -set.xml iteration
169 simgear::PathList subdirs(dir.children(simgear::Dir::TYPE_DIR | simgear::Dir::NO_DOT_OR_DOTDOT));
170 for (p = subdirs.begin(); p != subdirs.end(); ++p) {
171 if (p->file() == "CVS") {
175 if (fgFindAircraftInDir(*p, obj, pred)) {
178 } // of subdirs iteration
184 void fgFindAircraft(T* obj, bool (T::*pred)(const SGPath& p))
186 const string_list& paths(globals->get_aircraft_paths());
187 string_list::const_iterator it = paths.begin();
188 for (; it != paths.end(); ++it) {
189 bool done = fgFindAircraftInDir(SGPath(*it), obj, pred);
193 } // of aircraft paths iteration
195 // if we reach this point, search the default location (always last)
196 SGPath rootAircraft(globals->get_fg_root());
197 rootAircraft.append("Aircraft");
198 fgFindAircraftInDir(rootAircraft, obj, pred);
201 class FindAndCacheAircraft
204 FindAndCacheAircraft(SGPropertyNode* autoSave)
206 _cache = autoSave->getNode("sim/startup/path-cache", true);
211 std::string aircraft = fgGetString( "/sim/aircraft", "");
212 if (aircraft.empty()) {
213 SG_LOG(SG_GENERAL, SG_ALERT, "no aircraft specified");
217 _searchAircraft = aircraft + "-set.xml";
218 std::string aircraftDir = fgGetString("/sim/aircraft-dir", "");
219 if (!aircraftDir.empty()) {
220 // aircraft-dir was set, skip any searching at all, if it's valid
221 simgear::Dir acPath(aircraftDir);
222 SGPath setFile = acPath.file(_searchAircraft);
223 if (setFile.exists()) {
224 SG_LOG(SG_GENERAL, SG_INFO, "found aircraft in dir: " << aircraftDir );
227 readProperties(setFile.str(), globals->get_props());
228 } catch ( const sg_exception &e ) {
229 SG_LOG(SG_INPUT, SG_ALERT, "Error reading aircraft: " << e.getFormattedMessage());
235 SG_LOG(SG_GENERAL, SG_ALERT, "aircraft '" << _searchAircraft <<
236 "' not found in specified dir:" << aircraftDir);
242 // prepare cache for re-scan
243 SGPropertyNode *n = _cache->getNode("fg-root", true);
244 n->setStringValue(globals->get_fg_root().c_str());
245 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
246 n = _cache->getNode("fg-aircraft", true);
247 n->setStringValue(getAircraftPaths().c_str());
248 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
249 _cache->removeChildren("aircraft");
251 fgFindAircraft(this, &FindAndCacheAircraft::checkAircraft);
254 if (_foundPath.str().empty()) {
255 SG_LOG(SG_GENERAL, SG_ALERT, "Cannot find specified aircraft: " << aircraft );
259 SG_LOG(SG_GENERAL, SG_INFO, "Loading aircraft -set file from:" << _foundPath.str());
260 fgSetString( "/sim/aircraft-dir", _foundPath.dir().c_str());
261 if (!_foundPath.exists()) {
262 SG_LOG(SG_GENERAL, SG_ALERT, "Unable to find -set file:" << _foundPath.str());
267 readProperties(_foundPath.str(), globals->get_props());
268 } catch ( const sg_exception &e ) {
269 SG_LOG(SG_INPUT, SG_ALERT, "Error reading aircraft: " << e.getFormattedMessage());
277 SGPath getAircraftPaths() {
278 string_list pathList = globals->get_aircraft_paths();
279 SGPath aircraftPaths;
280 string_list::const_iterator it = pathList.begin();
281 if (it != pathList.end()) {
282 aircraftPaths.set(*it);
285 for (; it != pathList.end(); ++it) {
286 aircraftPaths.add(*it);
288 return aircraftPaths;
293 if (globals->get_fg_root() != _cache->getStringValue("fg-root", "")) {
294 return false; // cache mismatch
297 if (getAircraftPaths().str() != _cache->getStringValue("fg-aircraft", "")) {
298 return false; // cache mismatch
301 vector<SGPropertyNode_ptr> cache = _cache->getChildren("aircraft");
302 for (unsigned int i = 0; i < cache.size(); i++) {
303 const char *name = cache[i]->getStringValue("file", "");
304 if (!boost::equals(_searchAircraft, name, is_iequal())) {
308 SGPath xml(cache[i]->getStringValue("path", ""));
316 } // of aircraft in cache iteration
321 bool checkAircraft(const SGPath& p)
326 if (!_cache->getChild("aircraft", i++, false))
330 SGPropertyNode *n, *entry = _cache->getChild("aircraft", --i, true);
332 std::string fileName(p.file());
333 n = entry->getNode("file", true);
334 n->setStringValue(fileName);
335 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
337 n = entry->getNode("path", true);
338 n->setStringValue(p.dir());
339 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
341 if ( boost::equals(fileName, _searchAircraft.c_str(), is_iequal()) ) {
349 std::string _searchAircraft;
351 SGPropertyNode* _cache;
355 static SGPath platformDefaultDataPath()
357 char *envp = ::getenv( "APPDATA" );
358 SGPath config( envp );
359 config.append( "flightgear.org" );
364 #include <CoreServices/CoreServices.h>
366 static SGPath platformDefaultDataPath()
369 OSErr err = FSFindFolder(kUserDomain, kApplicationSupportFolderType, false, &ref);
374 unsigned char path[1024];
375 if (FSRefMakePath(&ref, path, 1024) != noErr) {
380 appData.set((const char*) path);
381 appData.append("FlightGear");
385 static SGPath platformDefaultDataPath()
387 SGPath config( homedir );
388 config.append( ".fgfs" );
393 // Read in configuration (file and command line)
394 bool fgInitConfig ( int argc, char **argv )
396 SGPath dataPath = platformDefaultDataPath();
398 const char *fg_home = getenv("FG_HOME");
402 globals->set_fg_home(dataPath.c_str());
404 simgear::Dir exportDir(simgear::Dir(dataPath).file("Export"));
405 if (!exportDir.exists()) {
406 exportDir.create(0777);
409 // Set /sim/fg-home and don't allow malign code to override it until
410 // Nasal security is set up. Use FG_HOME if necessary.
411 SGPropertyNode *home = fgGetNode("/sim", true);
412 home->removeChild("fg-home", 0, false);
413 home = home->getChild("fg-home", 0, true);
414 home->setStringValue(dataPath.c_str());
415 home->setAttribute(SGPropertyNode::WRITE, false);
417 flightgear::Options::sharedInstance()->init(argc, argv, dataPath);
419 // Read global preferences from $FG_ROOT/preferences.xml
420 SG_LOG(SG_INPUT, SG_INFO, "Reading global preferences");
421 fgLoadProps("preferences.xml", globals->get_props());
422 SG_LOG(SG_INPUT, SG_INFO, "Finished Reading global preferences");
424 // do not load user settings when reset to default is requested
425 if (flightgear::Options::sharedInstance()->isOptionSet("restore-defaults"))
427 SG_LOG(SG_ALL, SG_ALERT, "Ignoring user settings. Restoring defaults.");
431 globals->loadUserSettings(dataPath);
434 // Scan user config files and command line for a specified aircraft.
435 flightgear::Options::sharedInstance()->initAircraft();
437 FindAndCacheAircraft f(globals->get_props());
438 if (!f.loadAircraft()) {
442 // parse options after loading aircraft to ensure any user
443 // overrides of defaults are honored.
444 flightgear::Options::sharedInstance()->processOptions();
452 * Initialize vor/ndb/ils/fix list management and query systems (as
453 * well as simple airport db list)
454 * This is called multiple times in the case of a cache rebuild,
455 * to allow length caching to take place in the background, without
456 * blocking the main/UI thread.
461 flightgear::NavDataCache* cache = flightgear::NavDataCache::instance();
462 static bool doingRebuild = false;
463 if (doingRebuild || cache->isRebuildRequired()) {
465 bool finished = cache->rebuild();
467 // sleep to give the rebuild thread more time
468 SGTimeStamp::sleepForMSec(50);
473 FGTACANList *channellist = new FGTACANList;
474 globals->set_channellist( channellist );
476 SGPath path(globals->get_fg_root());
477 path.append( "Navaids/TACAN_freq.dat" );
478 flightgear::loadTacan(path, channellist);
483 // General house keeping initializations
484 bool fgInitGeneral() {
487 SG_LOG( SG_GENERAL, SG_INFO, "General Initialization" );
488 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
490 root = globals->get_fg_root();
491 if ( ! root.length() ) {
492 // No root path set? Then bail ...
493 SG_LOG( SG_GENERAL, SG_ALERT,
494 "Cannot continue without a path to the base package "
495 << "being defined." );
498 SG_LOG( SG_GENERAL, SG_INFO, "FG_ROOT = " << '"' << root << '"' << endl );
500 // Note: browser command is hard-coded for Mac/Windows, so this only affects other platforms
501 globals->set_browser(fgGetString("/sim/startup/browser-app", WEB_BROWSER));
502 fgSetString("/sim/startup/browser-app", globals->get_browser());
504 simgear::Dir cwd(simgear::Dir::current());
505 SGPropertyNode *curr = fgGetNode("/sim", true);
506 curr->removeChild("fg-current", 0, false);
507 curr = curr->getChild("fg-current", 0, true);
508 curr->setStringValue(cwd.path().str());
509 curr->setAttribute(SGPropertyNode::WRITE, false);
511 fgSetBool("/sim/startup/stdout-to-terminal", isatty(1) != 0 );
512 fgSetBool("/sim/startup/stderr-to-terminal", isatty(2) != 0 );
516 // This is the top level init routine which calls all the other
517 // initialization routines. If you are adding a subsystem to flight
518 // gear, its initialization call should located in this routine.
519 // Returns non-zero if a problem encountered.
520 void fgCreateSubsystems() {
522 SG_LOG( SG_GENERAL, SG_INFO, "Creating Subsystems");
523 SG_LOG( SG_GENERAL, SG_INFO, "========== ==========");
525 ////////////////////////////////////////////////////////////////////
526 // Initialize the sound subsystem.
527 ////////////////////////////////////////////////////////////////////
528 // Sound manager uses an own subsystem group "SOUND" which is the last
529 // to be updated in every loop.
530 // Sound manager is updated last so it can use the CPU while the GPU
531 // is processing the scenery (doubled the frame-rate for me) -EMH-
532 globals->add_subsystem("sound", new FGSoundManager, SGSubsystemMgr::SOUND);
534 ////////////////////////////////////////////////////////////////////
535 // Initialize the event manager subsystem.
536 ////////////////////////////////////////////////////////////////////
538 globals->get_event_mgr()->init();
539 globals->get_event_mgr()->setRealtimeProperty(fgGetNode("/sim/time/delta-realtime-sec", true));
541 ////////////////////////////////////////////////////////////////////
542 // Initialize the property interpolator subsystem. Put into the INIT
543 // group because the "nasal" subsystem may need it at GENERAL take-down.
544 ////////////////////////////////////////////////////////////////////
545 globals->add_subsystem("interpolator", new SGInterpolator, SGSubsystemMgr::INIT);
548 ////////////////////////////////////////////////////////////////////
549 // Add the FlightGear property utilities.
550 ////////////////////////////////////////////////////////////////////
551 globals->add_subsystem("properties", new FGProperties);
554 ////////////////////////////////////////////////////////////////////
555 // Add the performance monitoring system.
556 ////////////////////////////////////////////////////////////////////
557 globals->add_subsystem("performance-mon",
558 new SGPerformanceMonitor(globals->get_subsystem_mgr(),
559 fgGetNode("/sim/performance-monitor", true)));
561 ////////////////////////////////////////////////////////////////////
562 // Initialize the material property subsystem.
563 ////////////////////////////////////////////////////////////////////
565 SGPath mpath( globals->get_fg_root() );
566 mpath.append( fgGetString("/sim/rendering/materials-file") );
567 if ( ! globals->get_matlib()->load(globals->get_fg_root(), mpath.str(),
568 globals->get_props()) ) {
569 SG_LOG( SG_GENERAL, SG_ALERT,
570 "Error loading materials file " << mpath.str() );
575 ////////////////////////////////////////////////////////////////////
576 // Initialize the scenery management subsystem.
577 ////////////////////////////////////////////////////////////////////
579 globals->get_scenery()->get_scene_graph()
580 ->addChild(simgear::Particles::getCommonRoot());
581 simgear::GlobalParticleCallback::setSwitch(fgGetNode("/sim/rendering/particles", true));
583 ////////////////////////////////////////////////////////////////////
584 // Initialize the flight model subsystem.
585 ////////////////////////////////////////////////////////////////////
587 globals->add_subsystem("flight", new FDMShell, SGSubsystemMgr::FDM);
589 ////////////////////////////////////////////////////////////////////
590 // Initialize the weather subsystem.
591 ////////////////////////////////////////////////////////////////////
593 // Initialize the weather modeling subsystem
594 globals->add_subsystem("environment", new FGEnvironmentMgr);
595 globals->add_subsystem("ephemeris", new Ephemeris);
597 ////////////////////////////////////////////////////////////////////
598 // Initialize the aircraft systems and instrumentation (before the
600 ////////////////////////////////////////////////////////////////////
602 globals->add_subsystem("systems", new FGSystemMgr, SGSubsystemMgr::FDM);
603 globals->add_subsystem("instrumentation", new FGInstrumentMgr, SGSubsystemMgr::FDM);
604 globals->add_subsystem("hud", new HUD, SGSubsystemMgr::DISPLAY);
606 ////////////////////////////////////////////////////////////////////
607 // Initialize the XML Autopilot subsystem.
608 ////////////////////////////////////////////////////////////////////
610 globals->add_subsystem( "xml-autopilot", FGXMLAutopilotGroup::createInstance("autopilot"), SGSubsystemMgr::FDM );
611 globals->add_subsystem( "xml-proprules", FGXMLAutopilotGroup::createInstance("property-rule"), SGSubsystemMgr::GENERAL );
612 globals->add_subsystem( "route-manager", new FGRouteMgr );
614 ////////////////////////////////////////////////////////////////////
615 // Initialize the Input-Output subsystem
616 ////////////////////////////////////////////////////////////////////
617 globals->add_subsystem( "io", new FGIO );
619 ////////////////////////////////////////////////////////////////////
620 // Create and register the logger.
621 ////////////////////////////////////////////////////////////////////
623 globals->add_subsystem("logger", new FGLogger);
625 ////////////////////////////////////////////////////////////////////
626 // Create and register the XML GUI.
627 ////////////////////////////////////////////////////////////////////
629 globals->add_subsystem("gui", new NewGUI, SGSubsystemMgr::INIT);
631 //////////////////////////////////////////////////////////////////////
632 // Initialize the 2D cloud subsystem.
633 ////////////////////////////////////////////////////////////////////
634 fgGetBool("/sim/rendering/bump-mapping", false);
636 ////////////////////////////////////////////////////////////////////
637 // Initialize the canvas 2d drawing subsystem.
638 ////////////////////////////////////////////////////////////////////
639 globals->add_subsystem("Canvas", new CanvasMgr, SGSubsystemMgr::DISPLAY);
640 globals->add_subsystem("CanvasGUI", new GUIMgr, SGSubsystemMgr::DISPLAY);
642 ////////////////////////////////////////////////////////////////////
643 // Initialise the ATIS Manager
644 // Note that this is old stuff, but is necessary for the
645 // current ATIS implementation. Therefore, leave it in here
646 // until the ATIS system is ported over to make use of the ATIS
647 // sub system infrastructure.
648 ////////////////////////////////////////////////////////////////////
650 globals->add_subsystem("ATIS", new FGATISMgr, SGSubsystemMgr::INIT, 0.4);
652 ////////////////////////////////////////////////////////////////////
653 // Initialize the ATC subsystem
654 ////////////////////////////////////////////////////////////////////
655 globals->add_subsystem("ATC", new FGATCManager, SGSubsystemMgr::POST_FDM);
657 ////////////////////////////////////////////////////////////////////
658 // Initialize multiplayer subsystem
659 ////////////////////////////////////////////////////////////////////
661 globals->add_subsystem("mp", new FGMultiplayMgr, SGSubsystemMgr::POST_FDM);
663 ////////////////////////////////////////////////////////////////////
664 // Initialise the AI Model Manager
665 ////////////////////////////////////////////////////////////////////
666 SG_LOG(SG_GENERAL, SG_INFO, " AI Model Manager");
667 globals->add_subsystem("ai-model", new FGAIManager, SGSubsystemMgr::POST_FDM);
668 globals->add_subsystem("submodel-mgr", new FGSubmodelMgr, SGSubsystemMgr::POST_FDM);
671 // It's probably a good idea to initialize the top level traffic manager
672 // After the AI and ATC systems have been initialized properly.
673 // AI Traffic manager
674 globals->add_subsystem("traffic-manager", new FGTrafficManager, SGSubsystemMgr::POST_FDM);
676 ////////////////////////////////////////////////////////////////////
677 // Add a new 2D panel.
678 ////////////////////////////////////////////////////////////////////
680 fgSetArchivable("/sim/panel/visibility");
681 fgSetArchivable("/sim/panel/x-offset");
682 fgSetArchivable("/sim/panel/y-offset");
683 fgSetArchivable("/sim/panel/jitter");
685 ////////////////////////////////////////////////////////////////////
686 // Initialize the controls subsystem.
687 ////////////////////////////////////////////////////////////////////
689 globals->add_subsystem("controls", new FGControls, SGSubsystemMgr::GENERAL);
691 ////////////////////////////////////////////////////////////////////
692 // Initialize the input subsystem.
693 ////////////////////////////////////////////////////////////////////
695 globals->add_subsystem("input", new FGInput, SGSubsystemMgr::GENERAL);
698 ////////////////////////////////////////////////////////////////////
699 // Initialize the replay subsystem
700 ////////////////////////////////////////////////////////////////////
701 globals->add_subsystem("replay", new FGReplay);
703 #ifdef ENABLE_AUDIO_SUPPORT
704 ////////////////////////////////////////////////////////////////////
705 // Initialize the sound-effects subsystem.
706 ////////////////////////////////////////////////////////////////////
707 globals->add_subsystem("voice", new FGVoiceMgr, SGSubsystemMgr::DISPLAY);
710 ////////////////////////////////////////////////////////////////////
711 // Initialize the lighting subsystem.
712 ////////////////////////////////////////////////////////////////////
714 globals->add_subsystem("lighting", new FGLight, SGSubsystemMgr::DISPLAY);
716 // ordering here is important : Nasal (via events), then models, then views
717 globals->add_subsystem("events", globals->get_event_mgr(), SGSubsystemMgr::DISPLAY);
719 globals->add_subsystem("aircraft-model", new FGAircraftModel, SGSubsystemMgr::DISPLAY);
720 globals->add_subsystem("model-manager", new FGModelMgr, SGSubsystemMgr::DISPLAY);
722 FGViewMgr *viewmgr = new FGViewMgr;
723 globals->set_viewmgr( viewmgr );
724 globals->add_subsystem("view-manager", viewmgr, SGSubsystemMgr::DISPLAY);
726 globals->add_subsystem("tile-manager", globals->get_tile_mgr(),
727 SGSubsystemMgr::DISPLAY);
730 void fgPostInitSubsystems()
735 ////////////////////////////////////////////////////////////////////////
736 // Initialize the Nasal interpreter.
737 // Do this last, so that the loaded scripts see initialized state
738 ////////////////////////////////////////////////////////////////////////
739 FGNasalSys* nasal = new FGNasalSys();
740 globals->add_subsystem("nasal", nasal, SGSubsystemMgr::INIT);
742 SG_LOG(SG_GENERAL, SG_INFO, "Nasal init took:" << st.elapsedMSec());
744 // initialize methods that depend on other subsystems.
746 globals->get_subsystem_mgr()->postinit();
747 SG_LOG(SG_GENERAL, SG_INFO, "Subsystems postinit took:" << st.elapsedMSec());
749 ////////////////////////////////////////////////////////////////////
750 // TODO FIXME! UGLY KLUDGE!
751 ////////////////////////////////////////////////////////////////////
753 /* Scenarios require Nasal, so FGAIManager loads the scenarios,
754 * including its models such as a/c carriers, in its 'postinit',
755 * which is the very last thing we do.
756 * flightgear::initPosition is called very early in main.cxx/fgIdleFunction,
757 * one of the first things we do, long before scenarios/carriers are
758 * loaded. => When requested "initial preset position" relates to a
759 * carrier, recalculate the 'initial' position here (how have things
760 * ever worked before this hack - this init sequence has always been
762 std::string carrier = fgGetString("/sim/presets/carrier","");
765 // clear preset location and re-trigger position setup
766 fgSetDouble("/sim/presets/longitude-deg", 9999);
767 fgSetDouble("/sim/presets/latitude-deg", 9999);
768 flightgear::initPosition();
772 ////////////////////////////////////////////////////////////////////////
773 // End of subsystem initialization.
774 ////////////////////////////////////////////////////////////////////
776 fgSetBool("/sim/crashed", false);
777 fgSetBool("/sim/initialized", true);
779 SG_LOG( SG_GENERAL, SG_INFO, endl);
781 // Save the initial state for future
783 globals->saveInitialState();
786 // Reset: this is what the 'reset' command (and hence, GUI) is attached to
787 void fgReInitSubsystems()
789 static const SGPropertyNode *master_freeze
790 = fgGetNode("/sim/freeze/master");
792 SG_LOG( SG_GENERAL, SG_INFO, "fgReInitSubsystems()");
794 // setup state to begin re-init
795 bool freeze = master_freeze->getBoolValue();
797 fgSetBool("/sim/freeze/master", true);
800 fgSetBool("/sim/signals/reinit", true);
801 fgSetBool("/sim/crashed", false);
803 // do actual re-init steps
804 globals->get_subsystem("flight")->unbind();
806 // reset control state, before restoring initial state; -set or config files
807 // may specify values for flaps, trim tabs, magnetos, etc
808 globals->get_controls()->reset_all();
810 globals->restoreInitialState();
812 // update our position based on current presets
813 flightgear::initPosition();
815 // Force reupdating the positions of the ai 3d models. They are used for
816 // initializing ground level for the FDM.
817 globals->get_subsystem("ai-model")->reinit();
819 // Initialize the FDM
820 globals->get_subsystem("flight")->reinit();
822 // reset replay buffers
823 globals->get_subsystem("replay")->reinit();
825 // reload offsets from config defaults
826 globals->get_viewmgr()->reinit();
828 globals->get_subsystem("time")->reinit();
830 // need to bind FDMshell again, since we manually unbound it above...
831 globals->get_subsystem("flight")->bind();
833 // need to reset aircraft (systems/instruments) so they can adapt to current environment
834 globals->get_subsystem("systems")->reinit();
835 globals->get_subsystem("instrumentation")->reinit();
837 // setup state to end re-init
838 fgSetBool("/sim/signals/reinit", false);
840 fgSetBool("/sim/freeze/master", false);
842 fgSetBool("/sim/sceneryloaded",false);
846 ///////////////////////////////////////////////////////////////////////////////
847 // helper object to implement the --show-aircraft command.
848 // resides here so we can share the fgFindAircraftInDir template above,
849 // and hence ensure this command lists exectly the same aircraft as the normal
856 _minStatus = getNumMaturity(fgGetString("/sim/aircraft-min-status", "all"));
860 void show(const SGPath& path)
862 fgFindAircraftInDir(path, this, &ShowAircraft::processAircraft);
864 std::sort(_aircraft.begin(), _aircraft.end(), ciLessLibC());
865 SG_LOG( SG_GENERAL, SG_ALERT, "" ); // To popup the console on Windows
866 cout << "Available aircraft:" << endl;
867 for ( unsigned int i = 0; i < _aircraft.size(); i++ ) {
868 cout << _aircraft[i] << endl;
873 bool processAircraft(const SGPath& path)
877 readProperties(path.str(), &root);
878 } catch (sg_exception& ) {
884 descStr += path.file();
885 // trim common suffix from file names
886 int nPos = descStr.rfind("-set.xml");
887 if (nPos == (int)(descStr.size() - 8)) {
888 descStr.resize(nPos);
891 SGPropertyNode *node = root.getNode("sim");
893 SGPropertyNode* desc = node->getNode("description");
894 // if a status tag is found, read it in
895 if (node->hasValue("status")) {
896 maturity = getNumMaturity(node->getStringValue("status"));
900 if (descStr.size() <= 27+3) {
901 descStr.append(29+3-descStr.size(), ' ');
904 descStr.append( 32, ' ');
906 descStr += desc->getStringValue();
908 } // of have 'sim' node
910 if (maturity < _minStatus) {
914 _aircraft.push_back(descStr);
919 int getNumMaturity(const char * str)
921 // changes should also be reflected in $FG_ROOT/data/options.xml &
922 // $FG_ROOT/data/Translations/string-default.xml
923 const char* levels[] = {"alpha","beta","early-production","production"};
925 if (!strcmp(str, "all")) {
929 for (size_t i=0; i<(sizeof(levels)/sizeof(levels[0]));i++)
930 if (strcmp(str,levels[i])==0)
936 // recommended in Meyers, Effective STL when internationalization and embedded
937 // NULLs aren't an issue. Much faster than the STL or Boost lex versions.
938 struct ciLessLibC : public std::binary_function<string, string, bool>
940 bool operator()(const std::string &lhs, const std::string &rhs) const
942 return strcasecmp(lhs.c_str(), rhs.c_str()) < 0 ? 1 : 0;
947 string_list _aircraft;
950 void fgShowAircraft(const SGPath &path)
956 cout << "Hit a key to continue..." << endl;