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>
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 "options.hxx"
110 #include "globals.hxx"
111 #include "logger.hxx"
113 #include "positioninit.hxx"
119 using namespace boost::algorithm;
122 // Return the current base package version
123 string fgBasePackageVersion() {
124 SGPath base_path( globals->get_fg_root() );
125 base_path.append("version");
127 sg_gzifstream in( base_path.str() );
128 if ( !in.is_open() ) {
129 SGPath old_path( globals->get_fg_root() );
130 old_path.append( "Thanks" );
131 sg_gzifstream old( old_path.str() );
132 if ( !old.is_open() ) {
135 return "[old version]";
147 bool fgFindAircraftInDir(const SGPath& dirPath, T* obj, bool (T::*pred)(const SGPath& p))
149 if (!dirPath.exists()) {
150 SG_LOG(SG_GENERAL, SG_WARN, "fgFindAircraftInDir: no such path:" << dirPath.str());
155 simgear::Dir dir(dirPath);
156 simgear::PathList setFiles(dir.children(simgear::Dir::TYPE_FILE, "-set.xml"));
157 simgear::PathList::iterator p;
158 for (p = setFiles.begin(); p != setFiles.end(); ++p) {
159 // check file name ends with -set.xml
161 // if we found a -set.xml at this level, don't recurse any deeper
164 bool done = (obj->*pred)(*p);
168 } // of -set.xml iteration
174 simgear::PathList subdirs(dir.children(simgear::Dir::TYPE_DIR | simgear::Dir::NO_DOT_OR_DOTDOT));
175 for (p = subdirs.begin(); p != subdirs.end(); ++p) {
176 if (p->file() == "CVS") {
180 if (fgFindAircraftInDir(*p, obj, pred)) {
183 } // of subdirs iteration
189 void fgFindAircraft(T* obj, bool (T::*pred)(const SGPath& p))
191 const string_list& paths(globals->get_aircraft_paths());
192 string_list::const_iterator it = paths.begin();
193 for (; it != paths.end(); ++it) {
194 bool done = fgFindAircraftInDir(SGPath(*it), obj, pred);
198 } // of aircraft paths iteration
200 // if we reach this point, search the default location (always last)
201 SGPath rootAircraft(globals->get_fg_root());
202 rootAircraft.append("Aircraft");
203 fgFindAircraftInDir(rootAircraft, obj, pred);
206 class FindAndCacheAircraft
209 FindAndCacheAircraft(SGPropertyNode* autoSave)
211 _cache = autoSave->getNode("sim/startup/path-cache", true);
216 std::string aircraft = fgGetString( "/sim/aircraft", "");
217 if (aircraft.empty()) {
218 SG_LOG(SG_GENERAL, SG_ALERT, "no aircraft specified");
222 _searchAircraft = aircraft + "-set.xml";
223 std::string aircraftDir = fgGetString("/sim/aircraft-dir", "");
224 if (!aircraftDir.empty()) {
225 // aircraft-dir was set, skip any searching at all, if it's valid
226 simgear::Dir acPath(aircraftDir);
227 SGPath setFile = acPath.file(_searchAircraft);
228 if (setFile.exists()) {
229 SG_LOG(SG_GENERAL, SG_INFO, "found aircraft in dir: " << aircraftDir );
232 readProperties(setFile.str(), globals->get_props());
233 } catch ( const sg_exception &e ) {
234 SG_LOG(SG_INPUT, SG_ALERT, "Error reading aircraft: " << e.getFormattedMessage());
240 SG_LOG(SG_GENERAL, SG_ALERT, "aircraft '" << _searchAircraft <<
241 "' not found in specified dir:" << aircraftDir);
247 // prepare cache for re-scan
248 SGPropertyNode *n = _cache->getNode("fg-root", true);
249 n->setStringValue(globals->get_fg_root().c_str());
250 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
251 n = _cache->getNode("fg-aircraft", true);
252 n->setStringValue(getAircraftPaths().c_str());
253 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
254 _cache->removeChildren("aircraft");
256 fgFindAircraft(this, &FindAndCacheAircraft::checkAircraft);
259 if (_foundPath.str().empty()) {
260 SG_LOG(SG_GENERAL, SG_ALERT, "Cannot find specified aircraft: " << aircraft );
264 SG_LOG(SG_GENERAL, SG_INFO, "Loading aircraft -set file from:" << _foundPath.str());
265 fgSetString( "/sim/aircraft-dir", _foundPath.dir().c_str());
266 if (!_foundPath.exists()) {
267 SG_LOG(SG_GENERAL, SG_ALERT, "Unable to find -set file:" << _foundPath.str());
272 readProperties(_foundPath.str(), globals->get_props());
273 } catch ( const sg_exception &e ) {
274 SG_LOG(SG_INPUT, SG_ALERT, "Error reading aircraft: " << e.getFormattedMessage());
282 SGPath getAircraftPaths() {
283 string_list pathList = globals->get_aircraft_paths();
284 SGPath aircraftPaths;
285 string_list::const_iterator it = pathList.begin();
286 if (it != pathList.end()) {
287 aircraftPaths.set(*it);
290 for (; it != pathList.end(); ++it) {
291 aircraftPaths.add(*it);
293 return aircraftPaths;
298 if (globals->get_fg_root() != _cache->getStringValue("fg-root", "")) {
299 return false; // cache mismatch
302 if (getAircraftPaths().str() != _cache->getStringValue("fg-aircraft", "")) {
303 return false; // cache mismatch
306 vector<SGPropertyNode_ptr> cache = _cache->getChildren("aircraft");
307 for (unsigned int i = 0; i < cache.size(); i++) {
308 const char *name = cache[i]->getStringValue("file", "");
309 if (!boost::equals(_searchAircraft, name, is_iequal())) {
313 SGPath xml(cache[i]->getStringValue("path", ""));
321 } // of aircraft in cache iteration
326 bool checkAircraft(const SGPath& p)
331 if (!_cache->getChild("aircraft", i++, false))
335 SGPropertyNode *n, *entry = _cache->getChild("aircraft", --i, true);
337 std::string fileName(p.file());
338 n = entry->getNode("file", true);
339 n->setStringValue(fileName);
340 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
342 n = entry->getNode("path", true);
343 n->setStringValue(p.dir());
344 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
346 if ( boost::equals(fileName, _searchAircraft.c_str(), is_iequal()) ) {
354 std::string _searchAircraft;
356 SGPropertyNode* _cache;
360 static SGPath platformDefaultDataPath()
362 char *envp = ::getenv( "APPDATA" );
363 SGPath config( envp );
364 config.append( "flightgear.org" );
369 #include <CoreServices/CoreServices.h>
371 static SGPath platformDefaultDataPath()
374 OSErr err = FSFindFolder(kUserDomain, kApplicationSupportFolderType, false, &ref);
379 unsigned char path[1024];
380 if (FSRefMakePath(&ref, path, 1024) != noErr) {
385 appData.set((const char*) path);
386 appData.append("FlightGear");
390 static SGPath platformDefaultDataPath()
392 SGPath config( homedir );
393 config.append( ".fgfs" );
398 // Read in configuration (file and command line)
399 bool fgInitConfig ( int argc, char **argv )
401 SGPath dataPath = platformDefaultDataPath();
403 const char *fg_home = getenv("FG_HOME");
407 globals->set_fg_home(dataPath.c_str());
409 simgear::Dir exportDir(simgear::Dir(dataPath).file("Export"));
410 if (!exportDir.exists()) {
411 exportDir.create(0777);
414 // Set /sim/fg-home and don't allow malign code to override it until
415 // Nasal security is set up. Use FG_HOME if necessary.
416 SGPropertyNode *home = fgGetNode("/sim", true);
417 home->removeChild("fg-home", 0, false);
418 home = home->getChild("fg-home", 0, true);
419 home->setStringValue(dataPath.c_str());
420 home->setAttribute(SGPropertyNode::WRITE, false);
422 flightgear::Options* options = flightgear::Options::sharedInstance();
423 options->init(argc, argv, dataPath);
424 bool loadDefaults = flightgear::Options::sharedInstance()->shouldLoadDefaultConfig();
426 // Read global preferences from $FG_ROOT/preferences.xml
427 SG_LOG(SG_INPUT, SG_INFO, "Reading global preferences");
428 fgLoadProps("preferences.xml", globals->get_props());
429 SG_LOG(SG_INPUT, SG_INFO, "Finished Reading global preferences");
431 // do not load user settings when reset to default is requested
432 if (flightgear::Options::sharedInstance()->isOptionSet("restore-defaults"))
434 SG_LOG(SG_ALL, SG_ALERT, "Ignoring user settings. Restoring defaults.");
438 globals->loadUserSettings(dataPath);
441 SG_LOG(SG_GENERAL, SG_INFO, "not reading default configuration files");
442 }// of no-default-config selected
444 // Scan user config files and command line for a specified aircraft.
445 options->initAircraft();
447 FindAndCacheAircraft f(globals->get_props());
448 if (!f.loadAircraft()) {
452 // parse options after loading aircraft to ensure any user
453 // overrides of defaults are honored.
454 options->processOptions();
462 * Initialize vor/ndb/ils/fix list management and query systems (as
463 * well as simple airport db list)
464 * This is called multiple times in the case of a cache rebuild,
465 * to allow length caching to take place in the background, without
466 * blocking the main/UI thread.
471 flightgear::NavDataCache* cache = flightgear::NavDataCache::instance();
472 static bool doingRebuild = false;
473 if (doingRebuild || cache->isRebuildRequired()) {
475 bool finished = cache->rebuild();
477 // sleep to give the rebuild thread more time
478 SGTimeStamp::sleepForMSec(50);
483 FGTACANList *channellist = new FGTACANList;
484 globals->set_channellist( channellist );
486 SGPath path(globals->get_fg_root());
487 path.append( "Navaids/TACAN_freq.dat" );
488 flightgear::loadTacan(path, channellist);
493 // General house keeping initializations
494 bool fgInitGeneral() {
497 SG_LOG( SG_GENERAL, SG_INFO, "General Initialization" );
498 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
500 root = globals->get_fg_root();
501 if ( ! root.length() ) {
502 // No root path set? Then bail ...
503 SG_LOG( SG_GENERAL, SG_ALERT,
504 "Cannot continue without a path to the base package "
505 << "being defined." );
508 SG_LOG( SG_GENERAL, SG_INFO, "FG_ROOT = " << '"' << root << '"' << endl );
510 // Note: browser command is hard-coded for Mac/Windows, so this only affects other platforms
511 globals->set_browser(fgGetString("/sim/startup/browser-app", WEB_BROWSER));
512 fgSetString("/sim/startup/browser-app", globals->get_browser());
514 simgear::Dir cwd(simgear::Dir::current());
515 SGPropertyNode *curr = fgGetNode("/sim", true);
516 curr->removeChild("fg-current", 0, false);
517 curr = curr->getChild("fg-current", 0, true);
518 curr->setStringValue(cwd.path().str());
519 curr->setAttribute(SGPropertyNode::WRITE, false);
521 fgSetBool("/sim/startup/stdout-to-terminal", isatty(1) != 0 );
522 fgSetBool("/sim/startup/stderr-to-terminal", isatty(2) != 0 );
526 // This is the top level init routine which calls all the other
527 // initialization routines. If you are adding a subsystem to flight
528 // gear, its initialization call should located in this routine.
529 // Returns non-zero if a problem encountered.
530 void fgCreateSubsystems() {
532 SG_LOG( SG_GENERAL, SG_INFO, "Creating Subsystems");
533 SG_LOG( SG_GENERAL, SG_INFO, "========== ==========");
535 ////////////////////////////////////////////////////////////////////
536 // Initialize the sound subsystem.
537 ////////////////////////////////////////////////////////////////////
538 // Sound manager uses an own subsystem group "SOUND" which is the last
539 // to be updated in every loop.
540 // Sound manager is updated last so it can use the CPU while the GPU
541 // is processing the scenery (doubled the frame-rate for me) -EMH-
542 globals->add_subsystem("sound", new FGSoundManager, SGSubsystemMgr::SOUND);
544 ////////////////////////////////////////////////////////////////////
545 // Initialize the event manager subsystem.
546 ////////////////////////////////////////////////////////////////////
548 globals->get_event_mgr()->init();
549 globals->get_event_mgr()->setRealtimeProperty(fgGetNode("/sim/time/delta-realtime-sec", true));
551 ////////////////////////////////////////////////////////////////////
552 // Initialize the property interpolator subsystem. Put into the INIT
553 // group because the "nasal" subsystem may need it at GENERAL take-down.
554 ////////////////////////////////////////////////////////////////////
555 globals->add_subsystem("interpolator", new SGInterpolator, SGSubsystemMgr::INIT);
558 ////////////////////////////////////////////////////////////////////
559 // Add the FlightGear property utilities.
560 ////////////////////////////////////////////////////////////////////
561 globals->add_subsystem("properties", new FGProperties);
564 ////////////////////////////////////////////////////////////////////
565 // Add the performance monitoring system.
566 ////////////////////////////////////////////////////////////////////
567 globals->add_subsystem("performance-mon",
568 new SGPerformanceMonitor(globals->get_subsystem_mgr(),
569 fgGetNode("/sim/performance-monitor", true)));
571 ////////////////////////////////////////////////////////////////////
572 // Initialize the material property subsystem.
573 ////////////////////////////////////////////////////////////////////
575 SGPath mpath( globals->get_fg_root() );
576 mpath.append( fgGetString("/sim/rendering/materials-file") );
577 if ( ! globals->get_matlib()->load(globals->get_fg_root(), mpath.str(),
578 globals->get_props()) ) {
579 SG_LOG( SG_GENERAL, SG_ALERT,
580 "Error loading materials file " << mpath.str() );
585 ////////////////////////////////////////////////////////////////////
586 // Initialize the scenery management subsystem.
587 ////////////////////////////////////////////////////////////////////
589 globals->get_scenery()->get_scene_graph()
590 ->addChild(simgear::Particles::getCommonRoot());
591 simgear::GlobalParticleCallback::setSwitch(fgGetNode("/sim/rendering/particles", true));
593 ////////////////////////////////////////////////////////////////////
594 // Initialize the flight model subsystem.
595 ////////////////////////////////////////////////////////////////////
597 globals->add_subsystem("flight", new FDMShell, SGSubsystemMgr::FDM);
599 ////////////////////////////////////////////////////////////////////
600 // Initialize the weather subsystem.
601 ////////////////////////////////////////////////////////////////////
603 // Initialize the weather modeling subsystem
604 globals->add_subsystem("environment", new FGEnvironmentMgr);
605 globals->add_subsystem("ephemeris", new Ephemeris);
607 ////////////////////////////////////////////////////////////////////
608 // Initialize the aircraft systems and instrumentation (before the
610 ////////////////////////////////////////////////////////////////////
612 globals->add_subsystem("systems", new FGSystemMgr, SGSubsystemMgr::FDM);
613 globals->add_subsystem("instrumentation", new FGInstrumentMgr, SGSubsystemMgr::FDM);
614 globals->add_subsystem("hud", new HUD, SGSubsystemMgr::DISPLAY);
615 globals->add_subsystem("cockpit-displays", new flightgear::CockpitDisplayManager, SGSubsystemMgr::DISPLAY);
617 ////////////////////////////////////////////////////////////////////
618 // Initialize the XML Autopilot subsystem.
619 ////////////////////////////////////////////////////////////////////
621 globals->add_subsystem( "xml-autopilot", FGXMLAutopilotGroup::createInstance("autopilot"), SGSubsystemMgr::FDM );
622 globals->add_subsystem( "xml-proprules", FGXMLAutopilotGroup::createInstance("property-rule"), SGSubsystemMgr::GENERAL );
623 globals->add_subsystem( "route-manager", new FGRouteMgr );
625 ////////////////////////////////////////////////////////////////////
626 // Initialize the Input-Output subsystem
627 ////////////////////////////////////////////////////////////////////
628 globals->add_subsystem( "io", new FGIO );
629 globals->add_subsystem( "http", new FGHTTPClient );
631 ////////////////////////////////////////////////////////////////////
632 // Create and register the logger.
633 ////////////////////////////////////////////////////////////////////
635 globals->add_subsystem("logger", new FGLogger);
637 ////////////////////////////////////////////////////////////////////
638 // Create and register the XML GUI.
639 ////////////////////////////////////////////////////////////////////
641 globals->add_subsystem("gui", new NewGUI, SGSubsystemMgr::INIT);
643 //////////////////////////////////////////////////////////////////////
644 // Initialize the 2D cloud subsystem.
645 ////////////////////////////////////////////////////////////////////
646 fgGetBool("/sim/rendering/bump-mapping", false);
648 ////////////////////////////////////////////////////////////////////
649 // Initialize the canvas 2d drawing subsystem.
650 ////////////////////////////////////////////////////////////////////
651 globals->add_subsystem("Canvas", new CanvasMgr, SGSubsystemMgr::DISPLAY);
652 globals->add_subsystem("CanvasGUI", new GUIMgr, SGSubsystemMgr::DISPLAY);
654 ////////////////////////////////////////////////////////////////////
655 // Initialise the ATIS Manager
656 // Note that this is old stuff, but is necessary for the
657 // current ATIS implementation. Therefore, leave it in here
658 // until the ATIS system is ported over to make use of the ATIS
659 // sub system infrastructure.
660 ////////////////////////////////////////////////////////////////////
662 globals->add_subsystem("ATIS", new FGATISMgr, SGSubsystemMgr::INIT, 0.4);
664 ////////////////////////////////////////////////////////////////////
665 // Initialize the ATC subsystem
666 ////////////////////////////////////////////////////////////////////
667 globals->add_subsystem("ATC", new FGATCManager, SGSubsystemMgr::POST_FDM);
669 ////////////////////////////////////////////////////////////////////
670 // Initialize multiplayer subsystem
671 ////////////////////////////////////////////////////////////////////
673 globals->add_subsystem("mp", new FGMultiplayMgr, SGSubsystemMgr::POST_FDM);
675 ////////////////////////////////////////////////////////////////////
676 // Initialise the AI Model Manager
677 ////////////////////////////////////////////////////////////////////
678 SG_LOG(SG_GENERAL, SG_INFO, " AI Model Manager");
679 globals->add_subsystem("ai-model", new FGAIManager, SGSubsystemMgr::POST_FDM);
680 globals->add_subsystem("submodel-mgr", new FGSubmodelMgr, SGSubsystemMgr::POST_FDM);
683 // It's probably a good idea to initialize the top level traffic manager
684 // After the AI and ATC systems have been initialized properly.
685 // AI Traffic manager
686 globals->add_subsystem("traffic-manager", new FGTrafficManager, SGSubsystemMgr::POST_FDM);
688 ////////////////////////////////////////////////////////////////////
689 // Add a new 2D panel.
690 ////////////////////////////////////////////////////////////////////
692 fgSetArchivable("/sim/panel/visibility");
693 fgSetArchivable("/sim/panel/x-offset");
694 fgSetArchivable("/sim/panel/y-offset");
695 fgSetArchivable("/sim/panel/jitter");
697 ////////////////////////////////////////////////////////////////////
698 // Initialize the controls subsystem.
699 ////////////////////////////////////////////////////////////////////
701 globals->add_subsystem("controls", new FGControls, SGSubsystemMgr::GENERAL);
703 ////////////////////////////////////////////////////////////////////
704 // Initialize the input subsystem.
705 ////////////////////////////////////////////////////////////////////
707 globals->add_subsystem("input", new FGInput, SGSubsystemMgr::GENERAL);
710 ////////////////////////////////////////////////////////////////////
711 // Initialize the replay subsystem
712 ////////////////////////////////////////////////////////////////////
713 globals->add_subsystem("replay", new FGReplay);
715 #ifdef ENABLE_AUDIO_SUPPORT
716 ////////////////////////////////////////////////////////////////////
717 // Initialize the sound-effects subsystem.
718 ////////////////////////////////////////////////////////////////////
719 globals->add_subsystem("voice", new FGVoiceMgr, SGSubsystemMgr::DISPLAY);
722 ////////////////////////////////////////////////////////////////////
723 // Initialize the lighting subsystem.
724 ////////////////////////////////////////////////////////////////////
726 globals->add_subsystem("lighting", new FGLight, SGSubsystemMgr::DISPLAY);
728 // ordering here is important : Nasal (via events), then models, then views
729 globals->add_subsystem("events", globals->get_event_mgr(), SGSubsystemMgr::DISPLAY);
731 globals->add_subsystem("aircraft-model", new FGAircraftModel, SGSubsystemMgr::DISPLAY);
732 globals->add_subsystem("model-manager", new FGModelMgr, SGSubsystemMgr::DISPLAY);
734 globals->add_subsystem("view-manager", new FGViewMgr, SGSubsystemMgr::DISPLAY);
736 globals->add_subsystem("tile-manager", globals->get_tile_mgr(),
737 SGSubsystemMgr::DISPLAY);
740 void fgPostInitSubsystems()
745 ////////////////////////////////////////////////////////////////////////
746 // Initialize the Nasal interpreter.
747 // Do this last, so that the loaded scripts see initialized state
748 ////////////////////////////////////////////////////////////////////////
749 FGNasalSys* nasal = new FGNasalSys();
750 globals->add_subsystem("nasal", nasal, SGSubsystemMgr::INIT);
752 SG_LOG(SG_GENERAL, SG_INFO, "Nasal init took:" << st.elapsedMSec());
754 // initialize methods that depend on other subsystems.
756 globals->get_subsystem_mgr()->postinit();
757 SG_LOG(SG_GENERAL, SG_INFO, "Subsystems postinit took:" << st.elapsedMSec());
759 ////////////////////////////////////////////////////////////////////
760 // TODO FIXME! UGLY KLUDGE!
761 ////////////////////////////////////////////////////////////////////
763 /* Scenarios require Nasal, so FGAIManager loads the scenarios,
764 * including its models such as a/c carriers, in its 'postinit',
765 * which is the very last thing we do.
766 * flightgear::initPosition is called very early in main.cxx/fgIdleFunction,
767 * one of the first things we do, long before scenarios/carriers are
768 * loaded. => When requested "initial preset position" relates to a
769 * carrier, recalculate the 'initial' position here (how have things
770 * ever worked before this hack - this init sequence has always been
772 std::string carrier = fgGetString("/sim/presets/carrier","");
775 // clear preset location and re-trigger position setup
776 fgSetDouble("/sim/presets/longitude-deg", 9999);
777 fgSetDouble("/sim/presets/latitude-deg", 9999);
778 flightgear::initPosition();
782 ////////////////////////////////////////////////////////////////////////
783 // End of subsystem initialization.
784 ////////////////////////////////////////////////////////////////////
786 fgSetBool("/sim/crashed", false);
787 fgSetBool("/sim/initialized", true);
789 SG_LOG( SG_GENERAL, SG_INFO, endl);
791 // Save the initial state for future
793 globals->saveInitialState();
796 // Reset: this is what the 'reset' command (and hence, GUI) is attached to
797 void fgReInitSubsystems()
799 SGPropertyNode *master_freeze = fgGetNode("/sim/freeze/master");
801 SG_LOG( SG_GENERAL, SG_INFO, "fgReInitSubsystems()");
803 // setup state to begin re-init
804 bool freeze = master_freeze->getBoolValue();
806 master_freeze->setBoolValue(true);
809 fgSetBool("/sim/signals/reinit", true);
810 fgSetBool("/sim/crashed", false);
812 // do actual re-init steps
813 globals->get_subsystem("flight")->unbind();
815 // reset control state, before restoring initial state; -set or config files
816 // may specify values for flaps, trim tabs, magnetos, etc
817 globals->get_controls()->reset_all();
819 globals->restoreInitialState();
821 // update our position based on current presets
822 flightgear::initPosition();
824 // Force reupdating the positions of the ai 3d models. They are used for
825 // initializing ground level for the FDM.
826 globals->get_subsystem("ai-model")->reinit();
828 // Initialize the FDM
829 globals->get_subsystem("flight")->reinit();
831 // reset replay buffers
832 globals->get_subsystem("replay")->reinit();
834 // reload offsets from config defaults
835 globals->get_viewmgr()->reinit();
837 globals->get_subsystem("time")->reinit();
839 // need to bind FDMshell again, since we manually unbound it above...
840 globals->get_subsystem("flight")->bind();
842 // need to reset aircraft (systems/instruments) so they can adapt to current environment
843 globals->get_subsystem("systems")->reinit();
844 globals->get_subsystem("instrumentation")->reinit();
846 globals->get_subsystem("ATIS")->reinit();
848 // setup state to end re-init
849 fgSetBool("/sim/signals/reinit", false);
851 master_freeze->setBoolValue(false);
853 fgSetBool("/sim/sceneryloaded",false);
857 ///////////////////////////////////////////////////////////////////////////////
858 // helper object to implement the --show-aircraft command.
859 // resides here so we can share the fgFindAircraftInDir template above,
860 // and hence ensure this command lists exectly the same aircraft as the normal
867 _minStatus = getNumMaturity(fgGetString("/sim/aircraft-min-status", "all"));
871 void show(const SGPath& path)
873 fgFindAircraftInDir(path, this, &ShowAircraft::processAircraft);
875 std::sort(_aircraft.begin(), _aircraft.end(), ciLessLibC());
876 SG_LOG( SG_GENERAL, SG_ALERT, "" ); // To popup the console on Windows
877 cout << "Available aircraft:" << endl;
878 for ( unsigned int i = 0; i < _aircraft.size(); i++ ) {
879 cout << _aircraft[i] << endl;
884 bool processAircraft(const SGPath& path)
888 readProperties(path.str(), &root);
889 } catch (sg_exception& ) {
895 descStr += path.file();
896 // trim common suffix from file names
897 int nPos = descStr.rfind("-set.xml");
898 if (nPos == (int)(descStr.size() - 8)) {
899 descStr.resize(nPos);
902 SGPropertyNode *node = root.getNode("sim");
904 SGPropertyNode* desc = node->getNode("description");
905 // if a status tag is found, read it in
906 if (node->hasValue("status")) {
907 maturity = getNumMaturity(node->getStringValue("status"));
911 if (descStr.size() <= 27+3) {
912 descStr.append(29+3-descStr.size(), ' ');
915 descStr.append( 32, ' ');
917 descStr += desc->getStringValue();
919 } // of have 'sim' node
921 if (maturity < _minStatus) {
925 _aircraft.push_back(descStr);
930 int getNumMaturity(const char * str)
932 // changes should also be reflected in $FG_ROOT/data/options.xml &
933 // $FG_ROOT/data/Translations/string-default.xml
934 const char* levels[] = {"alpha","beta","early-production","production"};
936 if (!strcmp(str, "all")) {
940 for (size_t i=0; i<(sizeof(levels)/sizeof(levels[0]));i++)
941 if (strcmp(str,levels[i])==0)
947 // recommended in Meyers, Effective STL when internationalization and embedded
948 // NULLs aren't an issue. Much faster than the STL or Boost lex versions.
949 struct ciLessLibC : public std::binary_function<string, string, bool>
951 bool operator()(const std::string &lhs, const std::string &rhs) const
953 return strcasecmp(lhs.c_str(), rhs.c_str()) < 0 ? 1 : 0;
958 string_list _aircraft;
961 void fgShowAircraft(const SGPath &path)
967 cout << "Hit a key to continue..." << endl;