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>
104 #include "fg_init.hxx"
106 #include "fg_commands.hxx"
107 #include "fg_props.hxx"
108 #include "options.hxx"
109 #include "globals.hxx"
110 #include "logger.hxx"
112 #include "positioninit.hxx"
115 using namespace boost::algorithm;
118 // Return the current base package version
119 string fgBasePackageVersion() {
120 SGPath base_path( globals->get_fg_root() );
121 base_path.append("version");
123 sg_gzifstream in( base_path.str() );
124 if ( !in.is_open() ) {
125 SGPath old_path( globals->get_fg_root() );
126 old_path.append( "Thanks" );
127 sg_gzifstream old( old_path.str() );
128 if ( !old.is_open() ) {
131 return "[old version]";
143 bool fgFindAircraftInDir(const SGPath& dirPath, T* obj, bool (T::*pred)(const SGPath& p))
145 if (!dirPath.exists()) {
146 SG_LOG(SG_GENERAL, SG_WARN, "fgFindAircraftInDir: no such path:" << dirPath.str());
151 simgear::Dir dir(dirPath);
152 simgear::PathList setFiles(dir.children(simgear::Dir::TYPE_FILE, "-set.xml"));
153 simgear::PathList::iterator p;
154 for (p = setFiles.begin(); p != setFiles.end(); ++p) {
155 // check file name ends with -set.xml
157 // if we found a -set.xml at this level, don't recurse any deeper
160 bool done = (obj->*pred)(*p);
164 } // of -set.xml iteration
170 simgear::PathList subdirs(dir.children(simgear::Dir::TYPE_DIR | simgear::Dir::NO_DOT_OR_DOTDOT));
171 for (p = subdirs.begin(); p != subdirs.end(); ++p) {
172 if (p->file() == "CVS") {
176 if (fgFindAircraftInDir(*p, obj, pred)) {
179 } // of subdirs iteration
185 void fgFindAircraft(T* obj, bool (T::*pred)(const SGPath& p))
187 const string_list& paths(globals->get_aircraft_paths());
188 string_list::const_iterator it = paths.begin();
189 for (; it != paths.end(); ++it) {
190 bool done = fgFindAircraftInDir(SGPath(*it), obj, pred);
194 } // of aircraft paths iteration
196 // if we reach this point, search the default location (always last)
197 SGPath rootAircraft(globals->get_fg_root());
198 rootAircraft.append("Aircraft");
199 fgFindAircraftInDir(rootAircraft, obj, pred);
202 class FindAndCacheAircraft
205 FindAndCacheAircraft(SGPropertyNode* autoSave)
207 _cache = autoSave->getNode("sim/startup/path-cache", true);
212 std::string aircraft = fgGetString( "/sim/aircraft", "");
213 if (aircraft.empty()) {
214 SG_LOG(SG_GENERAL, SG_ALERT, "no aircraft specified");
218 _searchAircraft = aircraft + "-set.xml";
219 std::string aircraftDir = fgGetString("/sim/aircraft-dir", "");
220 if (!aircraftDir.empty()) {
221 // aircraft-dir was set, skip any searching at all, if it's valid
222 simgear::Dir acPath(aircraftDir);
223 SGPath setFile = acPath.file(_searchAircraft);
224 if (setFile.exists()) {
225 SG_LOG(SG_GENERAL, SG_INFO, "found aircraft in dir: " << aircraftDir );
228 readProperties(setFile.str(), globals->get_props());
229 } catch ( const sg_exception &e ) {
230 SG_LOG(SG_INPUT, SG_ALERT, "Error reading aircraft: " << e.getFormattedMessage());
236 SG_LOG(SG_GENERAL, SG_ALERT, "aircraft '" << _searchAircraft <<
237 "' not found in specified dir:" << aircraftDir);
243 // prepare cache for re-scan
244 SGPropertyNode *n = _cache->getNode("fg-root", true);
245 n->setStringValue(globals->get_fg_root().c_str());
246 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
247 n = _cache->getNode("fg-aircraft", true);
248 n->setStringValue(getAircraftPaths().c_str());
249 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
250 _cache->removeChildren("aircraft");
252 fgFindAircraft(this, &FindAndCacheAircraft::checkAircraft);
255 if (_foundPath.str().empty()) {
256 SG_LOG(SG_GENERAL, SG_ALERT, "Cannot find specified aircraft: " << aircraft );
260 SG_LOG(SG_GENERAL, SG_INFO, "Loading aircraft -set file from:" << _foundPath.str());
261 fgSetString( "/sim/aircraft-dir", _foundPath.dir().c_str());
262 if (!_foundPath.exists()) {
263 SG_LOG(SG_GENERAL, SG_ALERT, "Unable to find -set file:" << _foundPath.str());
268 readProperties(_foundPath.str(), globals->get_props());
269 } catch ( const sg_exception &e ) {
270 SG_LOG(SG_INPUT, SG_ALERT, "Error reading aircraft: " << e.getFormattedMessage());
278 SGPath getAircraftPaths() {
279 string_list pathList = globals->get_aircraft_paths();
280 SGPath aircraftPaths;
281 string_list::const_iterator it = pathList.begin();
282 if (it != pathList.end()) {
283 aircraftPaths.set(*it);
286 for (; it != pathList.end(); ++it) {
287 aircraftPaths.add(*it);
289 return aircraftPaths;
294 if (globals->get_fg_root() != _cache->getStringValue("fg-root", "")) {
295 return false; // cache mismatch
298 if (getAircraftPaths().str() != _cache->getStringValue("fg-aircraft", "")) {
299 return false; // cache mismatch
302 vector<SGPropertyNode_ptr> cache = _cache->getChildren("aircraft");
303 for (unsigned int i = 0; i < cache.size(); i++) {
304 const char *name = cache[i]->getStringValue("file", "");
305 if (!boost::equals(_searchAircraft, name, is_iequal())) {
309 SGPath xml(cache[i]->getStringValue("path", ""));
317 } // of aircraft in cache iteration
322 bool checkAircraft(const SGPath& p)
327 if (!_cache->getChild("aircraft", i++, false))
331 SGPropertyNode *n, *entry = _cache->getChild("aircraft", --i, true);
333 std::string fileName(p.file());
334 n = entry->getNode("file", true);
335 n->setStringValue(fileName);
336 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
338 n = entry->getNode("path", true);
339 n->setStringValue(p.dir());
340 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
342 if ( boost::equals(fileName, _searchAircraft.c_str(), is_iequal()) ) {
350 std::string _searchAircraft;
352 SGPropertyNode* _cache;
356 static SGPath platformDefaultDataPath()
358 char *envp = ::getenv( "APPDATA" );
359 SGPath config( envp );
360 config.append( "flightgear.org" );
365 #include <CoreServices/CoreServices.h>
367 static SGPath platformDefaultDataPath()
370 OSErr err = FSFindFolder(kUserDomain, kApplicationSupportFolderType, false, &ref);
375 unsigned char path[1024];
376 if (FSRefMakePath(&ref, path, 1024) != noErr) {
381 appData.set((const char*) path);
382 appData.append("FlightGear");
386 static SGPath platformDefaultDataPath()
388 SGPath config( homedir );
389 config.append( ".fgfs" );
394 // Read in configuration (file and command line)
395 bool fgInitConfig ( int argc, char **argv )
397 SGPath dataPath = platformDefaultDataPath();
399 const char *fg_home = getenv("FG_HOME");
403 globals->set_fg_home(dataPath.c_str());
405 simgear::Dir exportDir(simgear::Dir(dataPath).file("Export"));
406 if (!exportDir.exists()) {
407 exportDir.create(0777);
410 // Set /sim/fg-home and don't allow malign code to override it until
411 // Nasal security is set up. Use FG_HOME if necessary.
412 SGPropertyNode *home = fgGetNode("/sim", true);
413 home->removeChild("fg-home", 0, false);
414 home = home->getChild("fg-home", 0, true);
415 home->setStringValue(dataPath.c_str());
416 home->setAttribute(SGPropertyNode::WRITE, false);
418 flightgear::Options* options = flightgear::Options::sharedInstance();
419 options->init(argc, argv, dataPath);
420 bool loadDefaults = flightgear::Options::sharedInstance()->shouldLoadDefaultConfig();
422 // Read global preferences from $FG_ROOT/preferences.xml
423 SG_LOG(SG_INPUT, SG_INFO, "Reading global preferences");
424 fgLoadProps("preferences.xml", globals->get_props());
425 SG_LOG(SG_INPUT, SG_INFO, "Finished Reading global preferences");
427 // do not load user settings when reset to default is requested
428 if (flightgear::Options::sharedInstance()->isOptionSet("restore-defaults"))
430 SG_LOG(SG_ALL, SG_ALERT, "Ignoring user settings. Restoring defaults.");
434 globals->loadUserSettings(dataPath);
437 SG_LOG(SG_GENERAL, SG_INFO, "not reading default configuration files");
438 }// of no-default-config selected
440 // Scan user config files and command line for a specified aircraft.
441 options->initAircraft();
443 FindAndCacheAircraft f(globals->get_props());
444 if (!f.loadAircraft()) {
448 // parse options after loading aircraft to ensure any user
449 // overrides of defaults are honored.
450 options->processOptions();
458 * Initialize vor/ndb/ils/fix list management and query systems (as
459 * well as simple airport db list)
460 * This is called multiple times in the case of a cache rebuild,
461 * to allow length caching to take place in the background, without
462 * blocking the main/UI thread.
467 flightgear::NavDataCache* cache = flightgear::NavDataCache::instance();
468 static bool doingRebuild = false;
469 if (doingRebuild || cache->isRebuildRequired()) {
471 bool finished = cache->rebuild();
473 // sleep to give the rebuild thread more time
474 SGTimeStamp::sleepForMSec(50);
479 FGTACANList *channellist = new FGTACANList;
480 globals->set_channellist( channellist );
482 SGPath path(globals->get_fg_root());
483 path.append( "Navaids/TACAN_freq.dat" );
484 flightgear::loadTacan(path, channellist);
489 // General house keeping initializations
490 bool fgInitGeneral() {
493 SG_LOG( SG_GENERAL, SG_INFO, "General Initialization" );
494 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
496 root = globals->get_fg_root();
497 if ( ! root.length() ) {
498 // No root path set? Then bail ...
499 SG_LOG( SG_GENERAL, SG_ALERT,
500 "Cannot continue without a path to the base package "
501 << "being defined." );
504 SG_LOG( SG_GENERAL, SG_INFO, "FG_ROOT = " << '"' << root << '"' << endl );
506 // Note: browser command is hard-coded for Mac/Windows, so this only affects other platforms
507 globals->set_browser(fgGetString("/sim/startup/browser-app", WEB_BROWSER));
508 fgSetString("/sim/startup/browser-app", globals->get_browser());
510 simgear::Dir cwd(simgear::Dir::current());
511 SGPropertyNode *curr = fgGetNode("/sim", true);
512 curr->removeChild("fg-current", 0, false);
513 curr = curr->getChild("fg-current", 0, true);
514 curr->setStringValue(cwd.path().str());
515 curr->setAttribute(SGPropertyNode::WRITE, false);
517 fgSetBool("/sim/startup/stdout-to-terminal", isatty(1) != 0 );
518 fgSetBool("/sim/startup/stderr-to-terminal", isatty(2) != 0 );
522 // This is the top level init routine which calls all the other
523 // initialization routines. If you are adding a subsystem to flight
524 // gear, its initialization call should located in this routine.
525 // Returns non-zero if a problem encountered.
526 void fgCreateSubsystems() {
528 SG_LOG( SG_GENERAL, SG_INFO, "Creating Subsystems");
529 SG_LOG( SG_GENERAL, SG_INFO, "========== ==========");
531 ////////////////////////////////////////////////////////////////////
532 // Initialize the sound subsystem.
533 ////////////////////////////////////////////////////////////////////
534 // Sound manager uses an own subsystem group "SOUND" which is the last
535 // to be updated in every loop.
536 // Sound manager is updated last so it can use the CPU while the GPU
537 // is processing the scenery (doubled the frame-rate for me) -EMH-
538 globals->add_subsystem("sound", new FGSoundManager, SGSubsystemMgr::SOUND);
540 ////////////////////////////////////////////////////////////////////
541 // Initialize the event manager subsystem.
542 ////////////////////////////////////////////////////////////////////
544 globals->get_event_mgr()->init();
545 globals->get_event_mgr()->setRealtimeProperty(fgGetNode("/sim/time/delta-realtime-sec", true));
547 ////////////////////////////////////////////////////////////////////
548 // Initialize the property interpolator subsystem. Put into the INIT
549 // group because the "nasal" subsystem may need it at GENERAL take-down.
550 ////////////////////////////////////////////////////////////////////
551 globals->add_subsystem("interpolator", new SGInterpolator, SGSubsystemMgr::INIT);
554 ////////////////////////////////////////////////////////////////////
555 // Add the FlightGear property utilities.
556 ////////////////////////////////////////////////////////////////////
557 globals->add_subsystem("properties", new FGProperties);
560 ////////////////////////////////////////////////////////////////////
561 // Add the performance monitoring system.
562 ////////////////////////////////////////////////////////////////////
563 globals->add_subsystem("performance-mon",
564 new SGPerformanceMonitor(globals->get_subsystem_mgr(),
565 fgGetNode("/sim/performance-monitor", true)));
567 ////////////////////////////////////////////////////////////////////
568 // Initialize the material property subsystem.
569 ////////////////////////////////////////////////////////////////////
571 SGPath mpath( globals->get_fg_root() );
572 mpath.append( fgGetString("/sim/rendering/materials-file") );
573 if ( ! globals->get_matlib()->load(globals->get_fg_root(), mpath.str(),
574 globals->get_props()) ) {
575 SG_LOG( SG_GENERAL, SG_ALERT,
576 "Error loading materials file " << mpath.str() );
581 ////////////////////////////////////////////////////////////////////
582 // Initialize the scenery management subsystem.
583 ////////////////////////////////////////////////////////////////////
585 globals->get_scenery()->get_scene_graph()
586 ->addChild(simgear::Particles::getCommonRoot());
587 simgear::GlobalParticleCallback::setSwitch(fgGetNode("/sim/rendering/particles", true));
589 ////////////////////////////////////////////////////////////////////
590 // Initialize the flight model subsystem.
591 ////////////////////////////////////////////////////////////////////
593 globals->add_subsystem("flight", new FDMShell, SGSubsystemMgr::FDM);
595 ////////////////////////////////////////////////////////////////////
596 // Initialize the weather subsystem.
597 ////////////////////////////////////////////////////////////////////
599 // Initialize the weather modeling subsystem
600 globals->add_subsystem("environment", new FGEnvironmentMgr);
601 globals->add_subsystem("ephemeris", new Ephemeris);
603 ////////////////////////////////////////////////////////////////////
604 // Initialize the aircraft systems and instrumentation (before the
606 ////////////////////////////////////////////////////////////////////
608 globals->add_subsystem("systems", new FGSystemMgr, SGSubsystemMgr::FDM);
609 globals->add_subsystem("instrumentation", new FGInstrumentMgr, SGSubsystemMgr::FDM);
610 globals->add_subsystem("hud", new HUD, SGSubsystemMgr::DISPLAY);
611 globals->add_subsystem("cockpit-displays", new flightgear::CockpitDisplayManager, SGSubsystemMgr::DISPLAY);
613 ////////////////////////////////////////////////////////////////////
614 // Initialize the XML Autopilot subsystem.
615 ////////////////////////////////////////////////////////////////////
617 globals->add_subsystem( "xml-autopilot", FGXMLAutopilotGroup::createInstance("autopilot"), SGSubsystemMgr::FDM );
618 globals->add_subsystem( "xml-proprules", FGXMLAutopilotGroup::createInstance("property-rule"), SGSubsystemMgr::GENERAL );
619 globals->add_subsystem( "route-manager", new FGRouteMgr );
621 ////////////////////////////////////////////////////////////////////
622 // Initialize the Input-Output subsystem
623 ////////////////////////////////////////////////////////////////////
624 globals->add_subsystem( "io", new FGIO );
626 ////////////////////////////////////////////////////////////////////
627 // Create and register the logger.
628 ////////////////////////////////////////////////////////////////////
630 globals->add_subsystem("logger", new FGLogger);
632 ////////////////////////////////////////////////////////////////////
633 // Create and register the XML GUI.
634 ////////////////////////////////////////////////////////////////////
636 globals->add_subsystem("gui", new NewGUI, SGSubsystemMgr::INIT);
638 //////////////////////////////////////////////////////////////////////
639 // Initialize the 2D cloud subsystem.
640 ////////////////////////////////////////////////////////////////////
641 fgGetBool("/sim/rendering/bump-mapping", false);
643 ////////////////////////////////////////////////////////////////////
644 // Initialize the canvas 2d drawing subsystem.
645 ////////////////////////////////////////////////////////////////////
646 globals->add_subsystem("Canvas", new CanvasMgr, SGSubsystemMgr::DISPLAY);
647 globals->add_subsystem("CanvasGUI", new GUIMgr, SGSubsystemMgr::DISPLAY);
649 ////////////////////////////////////////////////////////////////////
650 // Initialise the ATIS Manager
651 // Note that this is old stuff, but is necessary for the
652 // current ATIS implementation. Therefore, leave it in here
653 // until the ATIS system is ported over to make use of the ATIS
654 // sub system infrastructure.
655 ////////////////////////////////////////////////////////////////////
657 globals->add_subsystem("ATIS", new FGATISMgr, SGSubsystemMgr::INIT, 0.4);
659 ////////////////////////////////////////////////////////////////////
660 // Initialize the ATC subsystem
661 ////////////////////////////////////////////////////////////////////
662 globals->add_subsystem("ATC", new FGATCManager, SGSubsystemMgr::POST_FDM);
664 ////////////////////////////////////////////////////////////////////
665 // Initialize multiplayer subsystem
666 ////////////////////////////////////////////////////////////////////
668 globals->add_subsystem("mp", new FGMultiplayMgr, SGSubsystemMgr::POST_FDM);
670 ////////////////////////////////////////////////////////////////////
671 // Initialise the AI Model Manager
672 ////////////////////////////////////////////////////////////////////
673 SG_LOG(SG_GENERAL, SG_INFO, " AI Model Manager");
674 globals->add_subsystem("ai-model", new FGAIManager, SGSubsystemMgr::POST_FDM);
675 globals->add_subsystem("submodel-mgr", new FGSubmodelMgr, SGSubsystemMgr::POST_FDM);
678 // It's probably a good idea to initialize the top level traffic manager
679 // After the AI and ATC systems have been initialized properly.
680 // AI Traffic manager
681 globals->add_subsystem("traffic-manager", new FGTrafficManager, SGSubsystemMgr::POST_FDM);
683 ////////////////////////////////////////////////////////////////////
684 // Add a new 2D panel.
685 ////////////////////////////////////////////////////////////////////
687 fgSetArchivable("/sim/panel/visibility");
688 fgSetArchivable("/sim/panel/x-offset");
689 fgSetArchivable("/sim/panel/y-offset");
690 fgSetArchivable("/sim/panel/jitter");
692 ////////////////////////////////////////////////////////////////////
693 // Initialize the controls subsystem.
694 ////////////////////////////////////////////////////////////////////
696 globals->add_subsystem("controls", new FGControls, SGSubsystemMgr::GENERAL);
698 ////////////////////////////////////////////////////////////////////
699 // Initialize the input subsystem.
700 ////////////////////////////////////////////////////////////////////
702 globals->add_subsystem("input", new FGInput, SGSubsystemMgr::GENERAL);
705 ////////////////////////////////////////////////////////////////////
706 // Initialize the replay subsystem
707 ////////////////////////////////////////////////////////////////////
708 globals->add_subsystem("replay", new FGReplay);
710 #ifdef ENABLE_AUDIO_SUPPORT
711 ////////////////////////////////////////////////////////////////////
712 // Initialize the sound-effects subsystem.
713 ////////////////////////////////////////////////////////////////////
714 globals->add_subsystem("voice", new FGVoiceMgr, SGSubsystemMgr::DISPLAY);
717 ////////////////////////////////////////////////////////////////////
718 // Initialize the lighting subsystem.
719 ////////////////////////////////////////////////////////////////////
721 globals->add_subsystem("lighting", new FGLight, SGSubsystemMgr::DISPLAY);
723 // ordering here is important : Nasal (via events), then models, then views
724 globals->add_subsystem("events", globals->get_event_mgr(), SGSubsystemMgr::DISPLAY);
726 globals->add_subsystem("aircraft-model", new FGAircraftModel, SGSubsystemMgr::DISPLAY);
727 globals->add_subsystem("model-manager", new FGModelMgr, SGSubsystemMgr::DISPLAY);
729 FGViewMgr *viewmgr = new FGViewMgr;
730 globals->set_viewmgr( viewmgr );
731 globals->add_subsystem("view-manager", viewmgr, SGSubsystemMgr::DISPLAY);
733 globals->add_subsystem("tile-manager", globals->get_tile_mgr(),
734 SGSubsystemMgr::DISPLAY);
737 void fgPostInitSubsystems()
742 ////////////////////////////////////////////////////////////////////////
743 // Initialize the Nasal interpreter.
744 // Do this last, so that the loaded scripts see initialized state
745 ////////////////////////////////////////////////////////////////////////
746 FGNasalSys* nasal = new FGNasalSys();
747 globals->add_subsystem("nasal", nasal, SGSubsystemMgr::INIT);
749 SG_LOG(SG_GENERAL, SG_INFO, "Nasal init took:" << st.elapsedMSec());
751 // initialize methods that depend on other subsystems.
753 globals->get_subsystem_mgr()->postinit();
754 SG_LOG(SG_GENERAL, SG_INFO, "Subsystems postinit took:" << st.elapsedMSec());
756 ////////////////////////////////////////////////////////////////////
757 // TODO FIXME! UGLY KLUDGE!
758 ////////////////////////////////////////////////////////////////////
760 /* Scenarios require Nasal, so FGAIManager loads the scenarios,
761 * including its models such as a/c carriers, in its 'postinit',
762 * which is the very last thing we do.
763 * flightgear::initPosition is called very early in main.cxx/fgIdleFunction,
764 * one of the first things we do, long before scenarios/carriers are
765 * loaded. => When requested "initial preset position" relates to a
766 * carrier, recalculate the 'initial' position here (how have things
767 * ever worked before this hack - this init sequence has always been
769 std::string carrier = fgGetString("/sim/presets/carrier","");
772 // clear preset location and re-trigger position setup
773 fgSetDouble("/sim/presets/longitude-deg", 9999);
774 fgSetDouble("/sim/presets/latitude-deg", 9999);
775 flightgear::initPosition();
779 ////////////////////////////////////////////////////////////////////////
780 // End of subsystem initialization.
781 ////////////////////////////////////////////////////////////////////
783 fgSetBool("/sim/crashed", false);
784 fgSetBool("/sim/initialized", true);
786 SG_LOG( SG_GENERAL, SG_INFO, endl);
788 // Save the initial state for future
790 globals->saveInitialState();
793 // Reset: this is what the 'reset' command (and hence, GUI) is attached to
794 void fgReInitSubsystems()
796 static const SGPropertyNode *master_freeze
797 = fgGetNode("/sim/freeze/master");
799 SG_LOG( SG_GENERAL, SG_INFO, "fgReInitSubsystems()");
801 // setup state to begin re-init
802 bool freeze = master_freeze->getBoolValue();
804 fgSetBool("/sim/freeze/master", true);
807 fgSetBool("/sim/signals/reinit", true);
808 fgSetBool("/sim/crashed", false);
810 // do actual re-init steps
811 globals->get_subsystem("flight")->unbind();
813 // reset control state, before restoring initial state; -set or config files
814 // may specify values for flaps, trim tabs, magnetos, etc
815 globals->get_controls()->reset_all();
817 globals->restoreInitialState();
819 // update our position based on current presets
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 globals->get_subsystem("time")->reinit();
837 // need to bind FDMshell again, since we manually unbound it above...
838 globals->get_subsystem("flight")->bind();
840 // need to reset aircraft (systems/instruments) so they can adapt to current environment
841 globals->get_subsystem("systems")->reinit();
842 globals->get_subsystem("instrumentation")->reinit();
844 // setup state to end re-init
845 fgSetBool("/sim/signals/reinit", false);
847 fgSetBool("/sim/freeze/master", false);
849 fgSetBool("/sim/sceneryloaded",false);
853 ///////////////////////////////////////////////////////////////////////////////
854 // helper object to implement the --show-aircraft command.
855 // resides here so we can share the fgFindAircraftInDir template above,
856 // and hence ensure this command lists exectly the same aircraft as the normal
863 _minStatus = getNumMaturity(fgGetString("/sim/aircraft-min-status", "all"));
867 void show(const SGPath& path)
869 fgFindAircraftInDir(path, this, &ShowAircraft::processAircraft);
871 std::sort(_aircraft.begin(), _aircraft.end(), ciLessLibC());
872 SG_LOG( SG_GENERAL, SG_ALERT, "" ); // To popup the console on Windows
873 cout << "Available aircraft:" << endl;
874 for ( unsigned int i = 0; i < _aircraft.size(); i++ ) {
875 cout << _aircraft[i] << endl;
880 bool processAircraft(const SGPath& path)
884 readProperties(path.str(), &root);
885 } catch (sg_exception& ) {
891 descStr += path.file();
892 // trim common suffix from file names
893 int nPos = descStr.rfind("-set.xml");
894 if (nPos == (int)(descStr.size() - 8)) {
895 descStr.resize(nPos);
898 SGPropertyNode *node = root.getNode("sim");
900 SGPropertyNode* desc = node->getNode("description");
901 // if a status tag is found, read it in
902 if (node->hasValue("status")) {
903 maturity = getNumMaturity(node->getStringValue("status"));
907 if (descStr.size() <= 27+3) {
908 descStr.append(29+3-descStr.size(), ' ');
911 descStr.append( 32, ' ');
913 descStr += desc->getStringValue();
915 } // of have 'sim' node
917 if (maturity < _minStatus) {
921 _aircraft.push_back(descStr);
926 int getNumMaturity(const char * str)
928 // changes should also be reflected in $FG_ROOT/data/options.xml &
929 // $FG_ROOT/data/Translations/string-default.xml
930 const char* levels[] = {"alpha","beta","early-production","production"};
932 if (!strcmp(str, "all")) {
936 for (size_t i=0; i<(sizeof(levels)/sizeof(levels[0]));i++)
937 if (strcmp(str,levels[i])==0)
943 // recommended in Meyers, Effective STL when internationalization and embedded
944 // NULLs aren't an issue. Much faster than the STL or Boost lex versions.
945 struct ciLessLibC : public std::binary_function<string, string, bool>
947 bool operator()(const std::string &lhs, const std::string &rhs) const
949 return strcasecmp(lhs.c_str(), rhs.c_str()) < 0 ? 1 : 0;
954 string_list _aircraft;
957 void fgShowAircraft(const SGPath &path)
963 cout << "Hit a key to continue..." << endl;