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>
102 #include "fg_init.hxx"
104 #include "fg_commands.hxx"
105 #include "fg_props.hxx"
106 #include "options.hxx"
107 #include "globals.hxx"
108 #include "logger.hxx"
110 #include "positioninit.hxx"
113 using namespace boost::algorithm;
116 // Return the current base package version
117 string fgBasePackageVersion() {
118 SGPath base_path( globals->get_fg_root() );
119 base_path.append("version");
121 sg_gzifstream in( base_path.str() );
122 if ( !in.is_open() ) {
123 SGPath old_path( globals->get_fg_root() );
124 old_path.append( "Thanks" );
125 sg_gzifstream old( old_path.str() );
126 if ( !old.is_open() ) {
129 return "[old version]";
141 bool fgFindAircraftInDir(const SGPath& dirPath, T* obj, bool (T::*pred)(const SGPath& p))
143 if (!dirPath.exists()) {
144 SG_LOG(SG_GENERAL, SG_WARN, "fgFindAircraftInDir: no such path:" << dirPath.str());
149 simgear::Dir dir(dirPath);
150 simgear::PathList setFiles(dir.children(simgear::Dir::TYPE_FILE, "-set.xml"));
151 simgear::PathList::iterator p;
152 for (p = setFiles.begin(); p != setFiles.end(); ++p) {
153 // check file name ends with -set.xml
155 // if we found a -set.xml at this level, don't recurse any deeper
158 bool done = (obj->*pred)(*p);
162 } // of -set.xml iteration
168 simgear::PathList subdirs(dir.children(simgear::Dir::TYPE_DIR | simgear::Dir::NO_DOT_OR_DOTDOT));
169 for (p = subdirs.begin(); p != subdirs.end(); ++p) {
170 if (p->file() == "CVS") {
174 if (fgFindAircraftInDir(*p, obj, pred)) {
177 } // of subdirs iteration
183 void fgFindAircraft(T* obj, bool (T::*pred)(const SGPath& p))
185 const string_list& paths(globals->get_aircraft_paths());
186 string_list::const_iterator it = paths.begin();
187 for (; it != paths.end(); ++it) {
188 bool done = fgFindAircraftInDir(SGPath(*it), obj, pred);
192 } // of aircraft paths iteration
194 // if we reach this point, search the default location (always last)
195 SGPath rootAircraft(globals->get_fg_root());
196 rootAircraft.append("Aircraft");
197 fgFindAircraftInDir(rootAircraft, obj, pred);
200 class FindAndCacheAircraft
203 FindAndCacheAircraft(SGPropertyNode* autoSave)
205 _cache = autoSave->getNode("sim/startup/path-cache", true);
210 std::string aircraft = fgGetString( "/sim/aircraft", "");
211 if (aircraft.empty()) {
212 SG_LOG(SG_GENERAL, SG_ALERT, "no aircraft specified");
216 _searchAircraft = aircraft + "-set.xml";
217 std::string aircraftDir = fgGetString("/sim/aircraft-dir", "");
218 if (!aircraftDir.empty()) {
219 // aircraft-dir was set, skip any searching at all, if it's valid
220 simgear::Dir acPath(aircraftDir);
221 SGPath setFile = acPath.file(_searchAircraft);
222 if (setFile.exists()) {
223 SG_LOG(SG_GENERAL, SG_INFO, "found aircraft in dir: " << aircraftDir );
226 readProperties(setFile.str(), globals->get_props());
227 } catch ( const sg_exception &e ) {
228 SG_LOG(SG_INPUT, SG_ALERT, "Error reading aircraft: " << e.getFormattedMessage());
234 SG_LOG(SG_GENERAL, SG_ALERT, "aircraft '" << _searchAircraft <<
235 "' not found in specified dir:" << aircraftDir);
241 // prepare cache for re-scan
242 SGPropertyNode *n = _cache->getNode("fg-root", true);
243 n->setStringValue(globals->get_fg_root().c_str());
244 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
245 n = _cache->getNode("fg-aircraft", true);
246 n->setStringValue(getAircraftPaths().c_str());
247 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
248 _cache->removeChildren("aircraft");
250 fgFindAircraft(this, &FindAndCacheAircraft::checkAircraft);
253 if (_foundPath.str().empty()) {
254 SG_LOG(SG_GENERAL, SG_ALERT, "Cannot find specified aircraft: " << aircraft );
258 SG_LOG(SG_GENERAL, SG_INFO, "Loading aircraft -set file from:" << _foundPath.str());
259 fgSetString( "/sim/aircraft-dir", _foundPath.dir().c_str());
260 if (!_foundPath.exists()) {
261 SG_LOG(SG_GENERAL, SG_ALERT, "Unable to find -set file:" << _foundPath.str());
266 readProperties(_foundPath.str(), globals->get_props());
267 } catch ( const sg_exception &e ) {
268 SG_LOG(SG_INPUT, SG_ALERT, "Error reading aircraft: " << e.getFormattedMessage());
276 SGPath getAircraftPaths() {
277 string_list pathList = globals->get_aircraft_paths();
278 SGPath aircraftPaths;
279 string_list::const_iterator it = pathList.begin();
280 if (it != pathList.end()) {
281 aircraftPaths.set(*it);
284 for (; it != pathList.end(); ++it) {
285 aircraftPaths.add(*it);
287 return aircraftPaths;
292 if (globals->get_fg_root() != _cache->getStringValue("fg-root", "")) {
293 return false; // cache mismatch
296 if (getAircraftPaths().str() != _cache->getStringValue("fg-aircraft", "")) {
297 return false; // cache mismatch
300 vector<SGPropertyNode_ptr> cache = _cache->getChildren("aircraft");
301 for (unsigned int i = 0; i < cache.size(); i++) {
302 const char *name = cache[i]->getStringValue("file", "");
303 if (!boost::equals(_searchAircraft, name, is_iequal())) {
307 SGPath xml(cache[i]->getStringValue("path", ""));
315 } // of aircraft in cache iteration
320 bool checkAircraft(const SGPath& p)
325 if (!_cache->getChild("aircraft", i++, false))
329 SGPropertyNode *n, *entry = _cache->getChild("aircraft", --i, true);
331 std::string fileName(p.file());
332 n = entry->getNode("file", true);
333 n->setStringValue(fileName);
334 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
336 n = entry->getNode("path", true);
337 n->setStringValue(p.dir());
338 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
340 if ( boost::equals(fileName, _searchAircraft.c_str(), is_iequal()) ) {
348 std::string _searchAircraft;
350 SGPropertyNode* _cache;
354 static SGPath platformDefaultDataPath()
356 char *envp = ::getenv( "APPDATA" );
357 SGPath config( envp );
358 config.append( "flightgear.org" );
363 #include <CoreServices/CoreServices.h>
365 static SGPath platformDefaultDataPath()
368 OSErr err = FSFindFolder(kUserDomain, kApplicationSupportFolderType, false, &ref);
373 unsigned char path[1024];
374 if (FSRefMakePath(&ref, path, 1024) != noErr) {
379 appData.set((const char*) path);
380 appData.append("FlightGear");
384 static SGPath platformDefaultDataPath()
386 SGPath config( homedir );
387 config.append( ".fgfs" );
392 // Read in configuration (file and command line)
393 bool fgInitConfig ( int argc, char **argv )
395 SGPath dataPath = platformDefaultDataPath();
397 const char *fg_home = getenv("FG_HOME");
401 globals->set_fg_home(dataPath.c_str());
403 simgear::Dir exportDir(simgear::Dir(dataPath).file("Export"));
404 if (!exportDir.exists()) {
405 exportDir.create(0777);
408 // Set /sim/fg-home and don't allow malign code to override it until
409 // Nasal security is set up. Use FG_HOME if necessary.
410 SGPropertyNode *home = fgGetNode("/sim", true);
411 home->removeChild("fg-home", 0, false);
412 home = home->getChild("fg-home", 0, true);
413 home->setStringValue(dataPath.c_str());
414 home->setAttribute(SGPropertyNode::WRITE, false);
416 flightgear::Options::sharedInstance()->init(argc, argv, dataPath);
418 // Read global preferences from $FG_ROOT/preferences.xml
419 SG_LOG(SG_INPUT, SG_INFO, "Reading global preferences");
420 fgLoadProps("preferences.xml", globals->get_props());
421 SG_LOG(SG_INPUT, SG_INFO, "Finished Reading global preferences");
423 // do not load user settings when reset to default is requested
424 if (flightgear::Options::sharedInstance()->isOptionSet("restore-defaults"))
426 SG_LOG(SG_ALL, SG_ALERT, "Ignoring user settings. Restoring defaults.");
430 globals->loadUserSettings(dataPath);
433 // Scan user config files and command line for a specified aircraft.
434 flightgear::Options::sharedInstance()->initAircraft();
436 FindAndCacheAircraft f(globals->get_props());
437 if (!f.loadAircraft()) {
441 // parse options after loading aircraft to ensure any user
442 // overrides of defaults are honored.
443 flightgear::Options::sharedInstance()->processOptions();
451 * Initialize vor/ndb/ils/fix list management and query systems (as
452 * well as simple airport db list)
453 * This is called multiple times in the case of a cache rebuild,
454 * to allow length caching to take place in the background, without
455 * blocking the main/UI thread.
460 flightgear::NavDataCache* cache = flightgear::NavDataCache::instance();
461 static bool doingRebuild = false;
462 if (doingRebuild || cache->isRebuildRequired()) {
464 bool finished = cache->rebuild();
466 // sleep to give the rebuild thread more time
467 SGTimeStamp::sleepForMSec(50);
472 FGTACANList *channellist = new FGTACANList;
473 globals->set_channellist( channellist );
475 SGPath path(globals->get_fg_root());
476 path.append( "Navaids/TACAN_freq.dat" );
477 flightgear::loadTacan(path, channellist);
482 // General house keeping initializations
483 bool fgInitGeneral() {
486 SG_LOG( SG_GENERAL, SG_INFO, "General Initialization" );
487 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
489 root = globals->get_fg_root();
490 if ( ! root.length() ) {
491 // No root path set? Then bail ...
492 SG_LOG( SG_GENERAL, SG_ALERT,
493 "Cannot continue without a path to the base package "
494 << "being defined." );
497 SG_LOG( SG_GENERAL, SG_INFO, "FG_ROOT = " << '"' << root << '"' << endl );
499 // Note: browser command is hard-coded for Mac/Windows, so this only affects other platforms
500 globals->set_browser(fgGetString("/sim/startup/browser-app", WEB_BROWSER));
501 fgSetString("/sim/startup/browser-app", globals->get_browser());
503 simgear::Dir cwd(simgear::Dir::current());
504 SGPropertyNode *curr = fgGetNode("/sim", true);
505 curr->removeChild("fg-current", 0, false);
506 curr = curr->getChild("fg-current", 0, true);
507 curr->setStringValue(cwd.path().str());
508 curr->setAttribute(SGPropertyNode::WRITE, false);
510 fgSetBool("/sim/startup/stdout-to-terminal", isatty(1) != 0 );
511 fgSetBool("/sim/startup/stderr-to-terminal", isatty(2) != 0 );
515 // This is the top level init routine which calls all the other
516 // initialization routines. If you are adding a subsystem to flight
517 // gear, its initialization call should located in this routine.
518 // Returns non-zero if a problem encountered.
519 void fgCreateSubsystems() {
521 SG_LOG( SG_GENERAL, SG_INFO, "Creating Subsystems");
522 SG_LOG( SG_GENERAL, SG_INFO, "========== ==========");
524 ////////////////////////////////////////////////////////////////////
525 // Initialize the sound subsystem.
526 ////////////////////////////////////////////////////////////////////
527 // Sound manager uses an own subsystem group "SOUND" which is the last
528 // to be updated in every loop.
529 // Sound manager is updated last so it can use the CPU while the GPU
530 // is processing the scenery (doubled the frame-rate for me) -EMH-
531 globals->add_subsystem("sound", new FGSoundManager, SGSubsystemMgr::SOUND);
533 ////////////////////////////////////////////////////////////////////
534 // Initialize the event manager subsystem.
535 ////////////////////////////////////////////////////////////////////
537 globals->get_event_mgr()->init();
538 globals->get_event_mgr()->setRealtimeProperty(fgGetNode("/sim/time/delta-realtime-sec", true));
540 ////////////////////////////////////////////////////////////////////
541 // Initialize the property interpolator subsystem. Put into the INIT
542 // group because the "nasal" subsystem may need it at GENERAL take-down.
543 ////////////////////////////////////////////////////////////////////
544 globals->add_subsystem("interpolator", new SGInterpolator, SGSubsystemMgr::INIT);
547 ////////////////////////////////////////////////////////////////////
548 // Add the FlightGear property utilities.
549 ////////////////////////////////////////////////////////////////////
550 globals->add_subsystem("properties", new FGProperties);
553 ////////////////////////////////////////////////////////////////////
554 // Add the performance monitoring system.
555 ////////////////////////////////////////////////////////////////////
556 globals->add_subsystem("performance-mon",
557 new SGPerformanceMonitor(globals->get_subsystem_mgr(),
558 fgGetNode("/sim/performance-monitor", true)));
560 ////////////////////////////////////////////////////////////////////
561 // Initialize the material property subsystem.
562 ////////////////////////////////////////////////////////////////////
564 SGPath mpath( globals->get_fg_root() );
565 mpath.append( fgGetString("/sim/rendering/materials-file") );
566 if ( ! globals->get_matlib()->load(globals->get_fg_root(), mpath.str(),
567 globals->get_props()) ) {
568 SG_LOG( SG_GENERAL, SG_ALERT,
569 "Error loading materials file " << mpath.str() );
574 ////////////////////////////////////////////////////////////////////
575 // Initialize the scenery management subsystem.
576 ////////////////////////////////////////////////////////////////////
578 globals->get_scenery()->get_scene_graph()
579 ->addChild(simgear::Particles::getCommonRoot());
580 simgear::GlobalParticleCallback::setSwitch(fgGetNode("/sim/rendering/particles", true));
582 ////////////////////////////////////////////////////////////////////
583 // Initialize the flight model subsystem.
584 ////////////////////////////////////////////////////////////////////
586 globals->add_subsystem("flight", new FDMShell, SGSubsystemMgr::FDM);
588 ////////////////////////////////////////////////////////////////////
589 // Initialize the weather subsystem.
590 ////////////////////////////////////////////////////////////////////
592 // Initialize the weather modeling subsystem
593 globals->add_subsystem("environment", new FGEnvironmentMgr);
594 globals->add_subsystem("ephemeris", new Ephemeris);
596 ////////////////////////////////////////////////////////////////////
597 // Initialize the aircraft systems and instrumentation (before the
599 ////////////////////////////////////////////////////////////////////
601 globals->add_subsystem("systems", new FGSystemMgr, SGSubsystemMgr::FDM);
602 globals->add_subsystem("instrumentation", new FGInstrumentMgr, SGSubsystemMgr::FDM);
604 ////////////////////////////////////////////////////////////////////
605 // Initialize the XML Autopilot subsystem.
606 ////////////////////////////////////////////////////////////////////
608 globals->add_subsystem( "xml-autopilot", FGXMLAutopilotGroup::createInstance("autopilot"), SGSubsystemMgr::FDM );
609 globals->add_subsystem( "xml-proprules", FGXMLAutopilotGroup::createInstance("property-rule"), SGSubsystemMgr::GENERAL );
610 globals->add_subsystem( "route-manager", new FGRouteMgr );
612 ////////////////////////////////////////////////////////////////////
613 // Initialize the Input-Output subsystem
614 ////////////////////////////////////////////////////////////////////
615 globals->add_subsystem( "io", new FGIO );
617 ////////////////////////////////////////////////////////////////////
618 // Create and register the logger.
619 ////////////////////////////////////////////////////////////////////
621 globals->add_subsystem("logger", new FGLogger);
623 ////////////////////////////////////////////////////////////////////
624 // Create and register the XML GUI.
625 ////////////////////////////////////////////////////////////////////
627 globals->add_subsystem("gui", new NewGUI, SGSubsystemMgr::INIT);
629 //////////////////////////////////////////////////////////////////////
630 // Initialize the 2D cloud subsystem.
631 ////////////////////////////////////////////////////////////////////
632 fgGetBool("/sim/rendering/bump-mapping", false);
634 ////////////////////////////////////////////////////////////////////
635 // Initialize the canvas 2d drawing subsystem.
636 ////////////////////////////////////////////////////////////////////
637 globals->add_subsystem("Canvas", new CanvasMgr, SGSubsystemMgr::DISPLAY);
638 globals->add_subsystem("CanvasGUI", new GUIMgr, SGSubsystemMgr::DISPLAY);
640 ////////////////////////////////////////////////////////////////////
641 // Initialise the ATIS Manager
642 // Note that this is old stuff, but is necessary for the
643 // current ATIS implementation. Therefore, leave it in here
644 // until the ATIS system is ported over to make use of the ATIS
645 // sub system infrastructure.
646 ////////////////////////////////////////////////////////////////////
648 globals->add_subsystem("ATIS", new FGATISMgr, SGSubsystemMgr::INIT, 0.4);
650 ////////////////////////////////////////////////////////////////////
651 // Initialize the ATC subsystem
652 ////////////////////////////////////////////////////////////////////
653 globals->add_subsystem("ATC", new FGATCManager, SGSubsystemMgr::POST_FDM);
655 ////////////////////////////////////////////////////////////////////
656 // Initialize multiplayer subsystem
657 ////////////////////////////////////////////////////////////////////
659 globals->add_subsystem("mp", new FGMultiplayMgr, SGSubsystemMgr::POST_FDM);
661 ////////////////////////////////////////////////////////////////////
662 // Initialise the AI Model Manager
663 ////////////////////////////////////////////////////////////////////
664 SG_LOG(SG_GENERAL, SG_INFO, " AI Model Manager");
665 globals->add_subsystem("ai-model", new FGAIManager, SGSubsystemMgr::POST_FDM);
666 globals->add_subsystem("submodel-mgr", new FGSubmodelMgr, SGSubsystemMgr::POST_FDM);
669 // It's probably a good idea to initialize the top level traffic manager
670 // After the AI and ATC systems have been initialized properly.
671 // AI Traffic manager
672 globals->add_subsystem("traffic-manager", new FGTrafficManager, SGSubsystemMgr::POST_FDM);
674 ////////////////////////////////////////////////////////////////////
675 // Add a new 2D panel.
676 ////////////////////////////////////////////////////////////////////
678 fgSetArchivable("/sim/panel/visibility");
679 fgSetArchivable("/sim/panel/x-offset");
680 fgSetArchivable("/sim/panel/y-offset");
681 fgSetArchivable("/sim/panel/jitter");
683 ////////////////////////////////////////////////////////////////////
684 // Initialize the controls subsystem.
685 ////////////////////////////////////////////////////////////////////
687 globals->add_subsystem("controls", new FGControls);
689 ////////////////////////////////////////////////////////////////////
690 // Initialize the input subsystem.
691 ////////////////////////////////////////////////////////////////////
693 globals->add_subsystem("input", new FGInput);
696 ////////////////////////////////////////////////////////////////////
697 // Initialize the replay subsystem
698 ////////////////////////////////////////////////////////////////////
699 globals->add_subsystem("replay", new FGReplay);
701 #ifdef ENABLE_AUDIO_SUPPORT
702 ////////////////////////////////////////////////////////////////////
703 // Initialize the sound-effects subsystem.
704 ////////////////////////////////////////////////////////////////////
705 globals->add_subsystem("voice", new FGVoiceMgr, SGSubsystemMgr::DISPLAY);
708 ////////////////////////////////////////////////////////////////////
709 // Initialize the lighting subsystem.
710 ////////////////////////////////////////////////////////////////////
712 globals->add_subsystem("lighting", new FGLight, SGSubsystemMgr::DISPLAY);
714 // ordering here is important : Nasal (via events), then models, then views
715 globals->add_subsystem("events", globals->get_event_mgr(), SGSubsystemMgr::DISPLAY);
717 globals->add_subsystem("aircraft-model", new FGAircraftModel, SGSubsystemMgr::DISPLAY);
718 globals->add_subsystem("model-manager", new FGModelMgr, SGSubsystemMgr::DISPLAY);
720 FGViewMgr *viewmgr = new FGViewMgr;
721 globals->set_viewmgr( viewmgr );
722 globals->add_subsystem("view-manager", viewmgr, SGSubsystemMgr::DISPLAY);
724 globals->add_subsystem("tile-manager", globals->get_tile_mgr(),
725 SGSubsystemMgr::DISPLAY);
728 void fgPostInitSubsystems()
733 ////////////////////////////////////////////////////////////////////////
734 // Initialize the Nasal interpreter.
735 // Do this last, so that the loaded scripts see initialized state
736 ////////////////////////////////////////////////////////////////////////
737 FGNasalSys* nasal = new FGNasalSys();
738 globals->add_subsystem("nasal", nasal, SGSubsystemMgr::INIT);
740 SG_LOG(SG_GENERAL, SG_INFO, "Nasal init took:" << st.elapsedMSec());
742 // initialize methods that depend on other subsystems.
744 globals->get_subsystem_mgr()->postinit();
745 SG_LOG(SG_GENERAL, SG_INFO, "Subsystems postinit took:" << st.elapsedMSec());
747 ////////////////////////////////////////////////////////////////////
748 // TODO FIXME! UGLY KLUDGE!
749 ////////////////////////////////////////////////////////////////////
751 /* Scenarios require Nasal, so FGAIManager loads the scenarios,
752 * including its models such as a/c carriers, in its 'postinit',
753 * which is the very last thing we do.
754 * flightgear::initPosition is called very early in main.cxx/fgIdleFunction,
755 * one of the first things we do, long before scenarios/carriers are
756 * loaded. => When requested "initial preset position" relates to a
757 * carrier, recalculate the 'initial' position here (how have things
758 * ever worked before this hack - this init sequence has always been
760 std::string carrier = fgGetString("/sim/presets/carrier","");
763 // clear preset location and re-trigger position setup
764 fgSetDouble("/sim/presets/longitude-deg", 9999);
765 fgSetDouble("/sim/presets/latitude-deg", 9999);
766 flightgear::initPosition();
770 ////////////////////////////////////////////////////////////////////////
771 // End of subsystem initialization.
772 ////////////////////////////////////////////////////////////////////
774 fgSetBool("/sim/crashed", false);
775 fgSetBool("/sim/initialized", true);
777 SG_LOG( SG_GENERAL, SG_INFO, endl);
779 // Save the initial state for future
781 globals->saveInitialState();
784 // Reset: this is what the 'reset' command (and hence, GUI) is attached to
785 void fgReInitSubsystems()
787 static const SGPropertyNode *master_freeze
788 = fgGetNode("/sim/freeze/master");
790 SG_LOG( SG_GENERAL, SG_INFO, "fgReInitSubsystems()");
792 // setup state to begin re-init
793 bool freeze = master_freeze->getBoolValue();
795 fgSetBool("/sim/freeze/master", true);
798 fgSetBool("/sim/signals/reinit", true);
799 fgSetBool("/sim/crashed", false);
801 // do actual re-init steps
802 globals->get_subsystem("flight")->unbind();
804 // reset control state, before restoring initial state; -set or config files
805 // may specify values for flaps, trim tabs, magnetos, etc
806 globals->get_controls()->reset_all();
808 globals->restoreInitialState();
810 // update our position based on current presets
811 flightgear::initPosition();
813 // Force reupdating the positions of the ai 3d models. They are used for
814 // initializing ground level for the FDM.
815 globals->get_subsystem("ai-model")->reinit();
817 // Initialize the FDM
818 globals->get_subsystem("flight")->reinit();
820 // reset replay buffers
821 globals->get_subsystem("replay")->reinit();
823 // reload offsets from config defaults
824 globals->get_viewmgr()->reinit();
826 globals->get_subsystem("time")->reinit();
828 // need to bind FDMshell again, since we manually unbound it above...
829 globals->get_subsystem("flight")->bind();
831 // need to reset aircraft (systems/instruments) so they can adapt to current environment
832 globals->get_subsystem("systems")->reinit();
833 globals->get_subsystem("instrumentation")->reinit();
835 // setup state to end re-init
836 fgSetBool("/sim/signals/reinit", false);
838 fgSetBool("/sim/freeze/master", false);
840 fgSetBool("/sim/sceneryloaded",false);
844 ///////////////////////////////////////////////////////////////////////////////
845 // helper object to implement the --show-aircraft command.
846 // resides here so we can share the fgFindAircraftInDir template above,
847 // and hence ensure this command lists exectly the same aircraft as the normal
854 _minStatus = getNumMaturity(fgGetString("/sim/aircraft-min-status", "all"));
858 void show(const SGPath& path)
860 fgFindAircraftInDir(path, this, &ShowAircraft::processAircraft);
862 std::sort(_aircraft.begin(), _aircraft.end(), ciLessLibC());
863 SG_LOG( SG_GENERAL, SG_ALERT, "" ); // To popup the console on Windows
864 cout << "Available aircraft:" << endl;
865 for ( unsigned int i = 0; i < _aircraft.size(); i++ ) {
866 cout << _aircraft[i] << endl;
871 bool processAircraft(const SGPath& path)
875 readProperties(path.str(), &root);
876 } catch (sg_exception& ) {
882 descStr += path.file();
883 // trim common suffix from file names
884 int nPos = descStr.rfind("-set.xml");
885 if (nPos == (int)(descStr.size() - 8)) {
886 descStr.resize(nPos);
889 SGPropertyNode *node = root.getNode("sim");
891 SGPropertyNode* desc = node->getNode("description");
892 // if a status tag is found, read it in
893 if (node->hasValue("status")) {
894 maturity = getNumMaturity(node->getStringValue("status"));
898 if (descStr.size() <= 27+3) {
899 descStr.append(29+3-descStr.size(), ' ');
902 descStr.append( 32, ' ');
904 descStr += desc->getStringValue();
906 } // of have 'sim' node
908 if (maturity < _minStatus) {
912 _aircraft.push_back(descStr);
917 int getNumMaturity(const char * str)
919 // changes should also be reflected in $FG_ROOT/data/options.xml &
920 // $FG_ROOT/data/Translations/string-default.xml
921 const char* levels[] = {"alpha","beta","early-production","production"};
923 if (!strcmp(str, "all")) {
927 for (size_t i=0; i<(sizeof(levels)/sizeof(levels[0]));i++)
928 if (strcmp(str,levels[i])==0)
934 // recommended in Meyers, Effective STL when internationalization and embedded
935 // NULLs aren't an issue. Much faster than the STL or Boost lex versions.
936 struct ciLessLibC : public std::binary_function<string, string, bool>
938 bool operator()(const std::string &lhs, const std::string &rhs) const
940 return strcasecmp(lhs.c_str(), rhs.c_str()) < 0 ? 1 : 0;
945 string_list _aircraft;
948 void fgShowAircraft(const SGPath &path)
954 cout << "Hit a key to continue..." << endl;