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/scene/material/matlib.hxx>
55 #include <simgear/scene/model/particles.hxx>
56 #include <simgear/scene/tsync/terrasync.hxx>
58 #include <Aircraft/controls.hxx>
59 #include <Aircraft/replay.hxx>
60 #include <Aircraft/FlightHistory.hxx>
61 #include <Airports/runways.hxx>
62 #include <Airports/airport.hxx>
63 #include <Airports/dynamics.hxx>
65 #include <AIModel/AIManager.hxx>
67 #include <ATCDCL/ATISmgr.hxx>
68 #include <ATC/atc_mgr.hxx>
70 #include <Autopilot/route_mgr.hxx>
71 #include <Autopilot/autopilotgroup.hxx>
73 #include <Cockpit/panel.hxx>
74 #include <Cockpit/panel_io.hxx>
76 #include <Canvas/canvas_mgr.hxx>
77 #include <Canvas/gui_mgr.hxx>
78 #include <GUI/new_gui.hxx>
79 #include <Input/input.hxx>
80 #include <Instrumentation/instrument_mgr.hxx>
81 #include <Model/acmodel.hxx>
82 #include <Model/modelmgr.hxx>
83 #include <AIModel/submodel.hxx>
84 #include <AIModel/AIManager.hxx>
85 #include <Navaids/navdb.hxx>
86 #include <Navaids/navlist.hxx>
87 #include <Scenery/scenery.hxx>
88 #include <Scenery/tilemgr.hxx>
89 #include <Scripting/NasalSys.hxx>
90 #include <Sound/voice.hxx>
91 #include <Sound/soundmanager.hxx>
92 #include <Systems/system_mgr.hxx>
93 #include <Time/light.hxx>
94 #include <Traffic/TrafficMgr.hxx>
95 #include <MultiPlayer/multiplaymgr.hxx>
96 #include <FDM/fdm_shell.hxx>
97 #include <Environment/ephemeris.hxx>
98 #include <Environment/environment_mgr.hxx>
99 #include <Viewer/renderer.hxx>
100 #include <Viewer/viewmgr.hxx>
101 #include <Navaids/NavDataCache.hxx>
102 #include <Instrumentation/HUD/HUD.hxx>
103 #include <Cockpit/cockpitDisplayManager.hxx>
104 #include <Network/HTTPClient.hxx>
105 #include <Network/fgcom.hxx>
107 #include "fg_init.hxx"
109 #include "fg_commands.hxx"
110 #include "fg_props.hxx"
111 #include "FGInterpolator.hxx"
112 #include "options.hxx"
113 #include "globals.hxx"
114 #include "logger.hxx"
116 #include "positioninit.hxx"
123 using namespace boost::algorithm;
126 // Return the current base package version
127 string fgBasePackageVersion() {
128 SGPath base_path( globals->get_fg_root() );
129 base_path.append("version");
131 sg_gzifstream in( base_path.str() );
132 if ( !in.is_open() ) {
133 SGPath old_path( globals->get_fg_root() );
134 old_path.append( "Thanks" );
135 sg_gzifstream old( old_path.str() );
136 if ( !old.is_open() ) {
139 return "[old version]";
151 bool fgFindAircraftInDir(const SGPath& dirPath, T* obj, bool (T::*pred)(const SGPath& p))
153 if (!dirPath.exists()) {
154 SG_LOG(SG_GENERAL, SG_WARN, "fgFindAircraftInDir: no such path:" << dirPath.str());
159 simgear::Dir dir(dirPath);
160 simgear::PathList setFiles(dir.children(simgear::Dir::TYPE_FILE, "-set.xml"));
161 simgear::PathList::iterator p;
162 for (p = setFiles.begin(); p != setFiles.end(); ++p) {
163 // check file name ends with -set.xml
165 // if we found a -set.xml at this level, don't recurse any deeper
168 bool done = (obj->*pred)(*p);
172 } // of -set.xml iteration
178 simgear::PathList subdirs(dir.children(simgear::Dir::TYPE_DIR | simgear::Dir::NO_DOT_OR_DOTDOT));
179 for (p = subdirs.begin(); p != subdirs.end(); ++p) {
180 if (p->file() == "CVS") {
184 if (fgFindAircraftInDir(*p, obj, pred)) {
187 } // of subdirs iteration
193 void fgFindAircraft(T* obj, bool (T::*pred)(const SGPath& p))
195 const string_list& paths(globals->get_aircraft_paths());
196 string_list::const_iterator it = paths.begin();
197 for (; it != paths.end(); ++it) {
198 bool done = fgFindAircraftInDir(SGPath(*it), obj, pred);
202 } // of aircraft paths iteration
204 // if we reach this point, search the default location (always last)
205 SGPath rootAircraft(globals->get_fg_root());
206 rootAircraft.append("Aircraft");
207 fgFindAircraftInDir(rootAircraft, obj, pred);
210 class FindAndCacheAircraft
213 FindAndCacheAircraft(SGPropertyNode* autoSave)
215 _cache = autoSave->getNode("sim/startup/path-cache", true);
220 std::string aircraft = fgGetString( "/sim/aircraft", "");
221 if (aircraft.empty()) {
222 SG_LOG(SG_GENERAL, SG_ALERT, "no aircraft specified");
226 _searchAircraft = aircraft + "-set.xml";
227 std::string aircraftDir = fgGetString("/sim/aircraft-dir", "");
228 if (!aircraftDir.empty()) {
229 // aircraft-dir was set, skip any searching at all, if it's valid
230 simgear::Dir acPath(aircraftDir);
231 SGPath setFile = acPath.file(_searchAircraft);
232 if (setFile.exists()) {
233 SG_LOG(SG_GENERAL, SG_INFO, "found aircraft in dir: " << aircraftDir );
236 readProperties(setFile.str(), globals->get_props());
237 } catch ( const sg_exception &e ) {
238 SG_LOG(SG_INPUT, SG_ALERT, "Error reading aircraft: " << e.getFormattedMessage());
244 SG_LOG(SG_GENERAL, SG_ALERT, "aircraft '" << _searchAircraft <<
245 "' not found in specified dir:" << aircraftDir);
251 // prepare cache for re-scan
252 SGPropertyNode *n = _cache->getNode("fg-root", true);
253 n->setStringValue(globals->get_fg_root().c_str());
254 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
255 n = _cache->getNode("fg-aircraft", true);
256 n->setStringValue(getAircraftPaths().c_str());
257 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
258 _cache->removeChildren("aircraft");
260 fgFindAircraft(this, &FindAndCacheAircraft::checkAircraft);
263 if (_foundPath.str().empty()) {
264 SG_LOG(SG_GENERAL, SG_ALERT, "Cannot find specified aircraft: " << aircraft );
268 SG_LOG(SG_GENERAL, SG_INFO, "Loading aircraft -set file from:" << _foundPath.str());
269 fgSetString( "/sim/aircraft-dir", _foundPath.dir().c_str());
270 if (!_foundPath.exists()) {
271 SG_LOG(SG_GENERAL, SG_ALERT, "Unable to find -set file:" << _foundPath.str());
276 readProperties(_foundPath.str(), globals->get_props());
277 } catch ( const sg_exception &e ) {
278 SG_LOG(SG_INPUT, SG_ALERT, "Error reading aircraft: " << e.getFormattedMessage());
286 SGPath getAircraftPaths() {
287 string_list pathList = globals->get_aircraft_paths();
288 SGPath aircraftPaths;
289 string_list::const_iterator it = pathList.begin();
290 if (it != pathList.end()) {
291 aircraftPaths.set(*it);
294 for (; it != pathList.end(); ++it) {
295 aircraftPaths.add(*it);
297 return aircraftPaths;
302 if (globals->get_fg_root() != _cache->getStringValue("fg-root", "")) {
303 return false; // cache mismatch
306 if (getAircraftPaths().str() != _cache->getStringValue("fg-aircraft", "")) {
307 return false; // cache mismatch
310 vector<SGPropertyNode_ptr> cache = _cache->getChildren("aircraft");
311 for (unsigned int i = 0; i < cache.size(); i++) {
312 const char *name = cache[i]->getStringValue("file", "");
313 if (!boost::equals(_searchAircraft, name, is_iequal())) {
317 SGPath xml(cache[i]->getStringValue("path", ""));
325 } // of aircraft in cache iteration
330 bool checkAircraft(const SGPath& p)
335 if (!_cache->getChild("aircraft", i++, false))
339 SGPropertyNode *n, *entry = _cache->getChild("aircraft", --i, true);
341 std::string fileName(p.file());
342 n = entry->getNode("file", true);
343 n->setStringValue(fileName);
344 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
346 n = entry->getNode("path", true);
347 n->setStringValue(p.dir());
348 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
350 if ( boost::equals(fileName, _searchAircraft.c_str(), is_iequal()) ) {
358 std::string _searchAircraft;
360 SGPropertyNode* _cache;
364 static SGPath platformDefaultDataPath()
366 char *envp = ::getenv( "APPDATA" );
367 SGPath config( envp );
368 config.append( "flightgear.org" );
373 #include <CoreServices/CoreServices.h>
375 static SGPath platformDefaultDataPath()
378 OSErr err = FSFindFolder(kUserDomain, kApplicationSupportFolderType, false, &ref);
383 unsigned char path[1024];
384 if (FSRefMakePath(&ref, path, 1024) != noErr) {
389 appData.set((const char*) path);
390 appData.append("FlightGear");
394 static SGPath platformDefaultDataPath()
396 return SGPath::home() / ".fgfs";
402 SGPath dataPath = SGPath::fromEnv("FG_HOME", platformDefaultDataPath());
403 globals->set_fg_home(dataPath.c_str());
405 simgear::Dir fgHome(dataPath);
406 if (!fgHome.exists()) {
411 // Read in configuration (file and command line)
412 bool fgInitConfig ( int argc, char **argv )
414 SGPath dataPath = globals->get_fg_home();
416 simgear::Dir exportDir(simgear::Dir(dataPath).file("Export"));
417 if (!exportDir.exists()) {
418 exportDir.create(0777);
421 // Set /sim/fg-home and don't allow malign code to override it until
422 // Nasal security is set up. Use FG_HOME if necessary.
423 SGPropertyNode *home = fgGetNode("/sim", true);
424 home->removeChild("fg-home", 0, false);
425 home = home->getChild("fg-home", 0, true);
426 home->setStringValue(dataPath.c_str());
427 home->setAttribute(SGPropertyNode::WRITE, false);
429 flightgear::Options* options = flightgear::Options::sharedInstance();
430 options->init(argc, argv, dataPath);
431 bool loadDefaults = flightgear::Options::sharedInstance()->shouldLoadDefaultConfig();
433 // Read global preferences from $FG_ROOT/preferences.xml
434 SG_LOG(SG_INPUT, SG_INFO, "Reading global preferences");
435 fgLoadProps("preferences.xml", globals->get_props());
436 SG_LOG(SG_INPUT, SG_INFO, "Finished Reading global preferences");
438 // do not load user settings when reset to default is requested
439 if (flightgear::Options::sharedInstance()->isOptionSet("restore-defaults"))
441 SG_LOG(SG_ALL, SG_ALERT, "Ignoring user settings. Restoring defaults.");
445 globals->loadUserSettings(dataPath);
448 SG_LOG(SG_GENERAL, SG_INFO, "not reading default configuration files");
449 }// of no-default-config selected
451 // Scan user config files and command line for a specified aircraft.
452 options->initAircraft();
454 FindAndCacheAircraft f(globals->get_props());
455 if (!f.loadAircraft()) {
459 // parse options after loading aircraft to ensure any user
460 // overrides of defaults are honored.
461 options->processOptions();
469 * Initialize vor/ndb/ils/fix list management and query systems (as
470 * well as simple airport db list)
471 * This is called multiple times in the case of a cache rebuild,
472 * to allow length caching to take place in the background, without
473 * blocking the main/UI thread.
478 flightgear::NavDataCache* cache = flightgear::NavDataCache::instance();
479 static bool doingRebuild = false;
480 if (doingRebuild || cache->isRebuildRequired()) {
482 bool finished = cache->rebuild();
484 // sleep to give the rebuild thread more time
485 SGTimeStamp::sleepForMSec(50);
490 FGTACANList *channellist = new FGTACANList;
491 globals->set_channellist( channellist );
493 SGPath path(globals->get_fg_root());
494 path.append( "Navaids/TACAN_freq.dat" );
495 flightgear::loadTacan(path, channellist);
500 // General house keeping initializations
501 bool fgInitGeneral() {
504 SG_LOG( SG_GENERAL, SG_INFO, "General Initialization" );
505 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
507 root = globals->get_fg_root();
508 if ( ! root.length() ) {
509 // No root path set? Then bail ...
510 SG_LOG( SG_GENERAL, SG_ALERT,
511 "Cannot continue without a path to the base package "
512 << "being defined." );
515 SG_LOG( SG_GENERAL, SG_INFO, "FG_ROOT = " << '"' << root << '"' << endl );
517 // Note: browser command is hard-coded for Mac/Windows, so this only affects other platforms
518 globals->set_browser(fgGetString("/sim/startup/browser-app", WEB_BROWSER));
519 fgSetString("/sim/startup/browser-app", globals->get_browser());
521 simgear::Dir cwd(simgear::Dir::current());
522 SGPropertyNode *curr = fgGetNode("/sim", true);
523 curr->removeChild("fg-current", 0, false);
524 curr = curr->getChild("fg-current", 0, true);
525 curr->setStringValue(cwd.path().str());
526 curr->setAttribute(SGPropertyNode::WRITE, false);
528 fgSetBool("/sim/startup/stdout-to-terminal", isatty(1) != 0 );
529 fgSetBool("/sim/startup/stderr-to-terminal", isatty(2) != 0 );
533 // Write various configuraton values out to the logs
534 void fgOutputSettings()
536 SG_LOG( SG_GENERAL, SG_INFO, "Configuration State" );
537 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
539 SG_LOG( SG_GENERAL, SG_INFO, "aircraft-dir = " << '"' << fgGetString("/sim/aircraft-dir") << '"' );
540 SG_LOG( SG_GENERAL, SG_INFO, "fghome-dir = " << '"' << globals->get_fg_home() << '"');
541 SG_LOG( SG_GENERAL, SG_INFO, "aircraft-dir = " << '"' << fgGetString("/sim/aircraft-dir") << '"');
543 SG_LOG( SG_GENERAL, SG_INFO, "aircraft-search-paths = \n\t" << simgear::strutils::join(globals->get_aircraft_paths(), "\n\t") );
544 SG_LOG( SG_GENERAL, SG_INFO, "scenery-search-paths = \n\t" << simgear::strutils::join(globals->get_fg_scenery(), "\n\t") );
547 // This is the top level init routine which calls all the other
548 // initialization routines. If you are adding a subsystem to flight
549 // gear, its initialization call should located in this routine.
550 // Returns non-zero if a problem encountered.
551 void fgCreateSubsystems() {
553 SG_LOG( SG_GENERAL, SG_INFO, "Creating Subsystems");
554 SG_LOG( SG_GENERAL, SG_INFO, "========== ==========");
556 ////////////////////////////////////////////////////////////////////
557 // Initialize the sound subsystem.
558 ////////////////////////////////////////////////////////////////////
559 // Sound manager uses an own subsystem group "SOUND" which is the last
560 // to be updated in every loop.
561 // Sound manager is updated last so it can use the CPU while the GPU
562 // is processing the scenery (doubled the frame-rate for me) -EMH-
563 globals->add_subsystem("sound", new FGSoundManager, SGSubsystemMgr::SOUND);
565 ////////////////////////////////////////////////////////////////////
566 // Initialize the event manager subsystem.
567 ////////////////////////////////////////////////////////////////////
569 globals->get_event_mgr()->init();
570 globals->get_event_mgr()->setRealtimeProperty(fgGetNode("/sim/time/delta-realtime-sec", true));
572 ////////////////////////////////////////////////////////////////////
573 // Initialize the property interpolator subsystem. Put into the INIT
574 // group because the "nasal" subsystem may need it at GENERAL take-down.
575 ////////////////////////////////////////////////////////////////////
576 FGInterpolator* interp = new FGInterpolator;
577 interp->setRealtimeProperty(fgGetNode("/sim/time/delta-realtime-sec", true));
578 globals->add_subsystem("prop-interpolator", interp, SGSubsystemMgr::INIT);
579 SGPropertyNode::setInterpolationMgr(interp);
581 ////////////////////////////////////////////////////////////////////
582 // Add the FlightGear property utilities.
583 ////////////////////////////////////////////////////////////////////
584 globals->add_subsystem("properties", new FGProperties);
587 ////////////////////////////////////////////////////////////////////
588 // Add the performance monitoring system.
589 ////////////////////////////////////////////////////////////////////
590 globals->add_subsystem("performance-mon",
591 new SGPerformanceMonitor(globals->get_subsystem_mgr(),
592 fgGetNode("/sim/performance-monitor", true)));
594 ////////////////////////////////////////////////////////////////////
595 // Initialize the material property subsystem.
596 ////////////////////////////////////////////////////////////////////
598 SGPath mpath( globals->get_fg_root() );
599 mpath.append( fgGetString("/sim/rendering/materials-file") );
600 if ( ! globals->get_matlib()->load(globals->get_fg_root(), mpath.str(),
601 globals->get_props()) ) {
602 SG_LOG( SG_GENERAL, SG_ALERT,
603 "Error loading materials file " << mpath.str() );
607 globals->add_subsystem( "http", new FGHTTPClient );
609 ////////////////////////////////////////////////////////////////////
610 // Initialize the scenery management subsystem.
611 ////////////////////////////////////////////////////////////////////
613 globals->get_scenery()->get_scene_graph()
614 ->addChild(simgear::Particles::getCommonRoot());
615 simgear::GlobalParticleCallback::setSwitch(fgGetNode("/sim/rendering/particles", true));
617 ////////////////////////////////////////////////////////////////////
618 // Initialize the flight model subsystem.
619 ////////////////////////////////////////////////////////////////////
621 globals->add_subsystem("flight", new FDMShell, SGSubsystemMgr::FDM);
623 ////////////////////////////////////////////////////////////////////
624 // Initialize the weather subsystem.
625 ////////////////////////////////////////////////////////////////////
627 // Initialize the weather modeling subsystem
628 globals->add_subsystem("environment", new FGEnvironmentMgr);
629 globals->add_subsystem("ephemeris", new Ephemeris);
631 ////////////////////////////////////////////////////////////////////
632 // Initialize the aircraft systems and instrumentation (before the
634 ////////////////////////////////////////////////////////////////////
636 globals->add_subsystem("systems", new FGSystemMgr, SGSubsystemMgr::FDM);
637 globals->add_subsystem("instrumentation", new FGInstrumentMgr, SGSubsystemMgr::FDM);
638 globals->add_subsystem("hud", new HUD, SGSubsystemMgr::DISPLAY);
639 globals->add_subsystem("cockpit-displays", new flightgear::CockpitDisplayManager, SGSubsystemMgr::DISPLAY);
641 ////////////////////////////////////////////////////////////////////
642 // Initialize the XML Autopilot subsystem.
643 ////////////////////////////////////////////////////////////////////
645 globals->add_subsystem( "xml-autopilot", FGXMLAutopilotGroup::createInstance("autopilot"), SGSubsystemMgr::FDM );
646 globals->add_subsystem( "xml-proprules", FGXMLAutopilotGroup::createInstance("property-rule"), SGSubsystemMgr::GENERAL );
647 globals->add_subsystem( "route-manager", new FGRouteMgr );
649 ////////////////////////////////////////////////////////////////////
650 // Initialize the Input-Output subsystem
651 ////////////////////////////////////////////////////////////////////
652 globals->add_subsystem( "io", new FGIO );
654 ////////////////////////////////////////////////////////////////////
655 // Create and register the logger.
656 ////////////////////////////////////////////////////////////////////
658 globals->add_subsystem("logger", new FGLogger);
660 ////////////////////////////////////////////////////////////////////
661 // Create and register the XML GUI.
662 ////////////////////////////////////////////////////////////////////
664 globals->add_subsystem("gui", new NewGUI, SGSubsystemMgr::INIT);
666 //////////////////////////////////////////////////////////////////////
667 // Initialize the 2D cloud subsystem.
668 ////////////////////////////////////////////////////////////////////
669 fgGetBool("/sim/rendering/bump-mapping", false);
671 ////////////////////////////////////////////////////////////////////
672 // Initialize the canvas 2d drawing subsystem.
673 ////////////////////////////////////////////////////////////////////
674 globals->add_subsystem("Canvas", new CanvasMgr, SGSubsystemMgr::DISPLAY);
675 globals->add_subsystem("CanvasGUI", new GUIMgr, SGSubsystemMgr::DISPLAY);
677 ////////////////////////////////////////////////////////////////////
678 // Initialise the ATIS Manager
679 // Note that this is old stuff, but is necessary for the
680 // current ATIS implementation. Therefore, leave it in here
681 // until the ATIS system is ported over to make use of the ATIS
682 // sub system infrastructure.
683 ////////////////////////////////////////////////////////////////////
685 globals->add_subsystem("ATIS", new FGATISMgr, SGSubsystemMgr::INIT, 0.4);
687 ////////////////////////////////////////////////////////////////////
688 // Initialize the ATC subsystem
689 ////////////////////////////////////////////////////////////////////
690 globals->add_subsystem("ATC", new FGATCManager, SGSubsystemMgr::POST_FDM);
692 ////////////////////////////////////////////////////////////////////
693 // Initialize multiplayer subsystem
694 ////////////////////////////////////////////////////////////////////
696 globals->add_subsystem("mp", new FGMultiplayMgr, SGSubsystemMgr::POST_FDM);
698 ////////////////////////////////////////////////////////////////////
699 // Initialise the AI Model Manager
700 ////////////////////////////////////////////////////////////////////
701 SG_LOG(SG_GENERAL, SG_INFO, " AI Model Manager");
702 globals->add_subsystem("ai-model", new FGAIManager, SGSubsystemMgr::POST_FDM);
703 globals->add_subsystem("submodel-mgr", new FGSubmodelMgr, SGSubsystemMgr::POST_FDM);
706 // It's probably a good idea to initialize the top level traffic manager
707 // After the AI and ATC systems have been initialized properly.
708 // AI Traffic manager
709 globals->add_subsystem("traffic-manager", new FGTrafficManager, SGSubsystemMgr::POST_FDM);
711 ////////////////////////////////////////////////////////////////////
712 // Add a new 2D panel.
713 ////////////////////////////////////////////////////////////////////
715 fgSetArchivable("/sim/panel/visibility");
716 fgSetArchivable("/sim/panel/x-offset");
717 fgSetArchivable("/sim/panel/y-offset");
718 fgSetArchivable("/sim/panel/jitter");
720 ////////////////////////////////////////////////////////////////////
721 // Initialize the controls subsystem.
722 ////////////////////////////////////////////////////////////////////
724 globals->add_subsystem("controls", new FGControls, SGSubsystemMgr::GENERAL);
726 ////////////////////////////////////////////////////////////////////
727 // Initialize the input subsystem.
728 ////////////////////////////////////////////////////////////////////
730 globals->add_subsystem("input", new FGInput, SGSubsystemMgr::GENERAL);
733 ////////////////////////////////////////////////////////////////////
734 // Initialize the replay subsystem
735 ////////////////////////////////////////////////////////////////////
736 globals->add_subsystem("replay", new FGReplay);
737 globals->add_subsystem("history", new FGFlightHistory);
739 #ifdef ENABLE_AUDIO_SUPPORT
740 ////////////////////////////////////////////////////////////////////
741 // Initialize the sound-effects subsystem.
742 ////////////////////////////////////////////////////////////////////
743 globals->add_subsystem("voice", new FGVoiceMgr, SGSubsystemMgr::DISPLAY);
747 ////////////////////////////////////////////////////////////////////
748 // Initialize the FGCom subsystem.
749 ////////////////////////////////////////////////////////////////////
750 globals->add_subsystem("fgcom", new FGCom);
753 ////////////////////////////////////////////////////////////////////
754 // Initialize the lighting subsystem.
755 ////////////////////////////////////////////////////////////////////
757 globals->add_subsystem("lighting", new FGLight, SGSubsystemMgr::DISPLAY);
759 // ordering here is important : Nasal (via events), then models, then views
760 globals->add_subsystem("events", globals->get_event_mgr(), SGSubsystemMgr::DISPLAY);
762 globals->add_subsystem("aircraft-model", new FGAircraftModel, SGSubsystemMgr::DISPLAY);
763 globals->add_subsystem("model-manager", new FGModelMgr, SGSubsystemMgr::DISPLAY);
765 globals->add_subsystem("view-manager", new FGViewMgr, SGSubsystemMgr::DISPLAY);
767 globals->add_subsystem("tile-manager", globals->get_tile_mgr(),
768 SGSubsystemMgr::DISPLAY);
771 void fgPostInitSubsystems()
776 ////////////////////////////////////////////////////////////////////////
777 // Initialize the Nasal interpreter.
778 // Do this last, so that the loaded scripts see initialized state
779 ////////////////////////////////////////////////////////////////////////
780 FGNasalSys* nasal = new FGNasalSys();
781 globals->add_subsystem("nasal", nasal, SGSubsystemMgr::INIT);
783 SG_LOG(SG_GENERAL, SG_INFO, "Nasal init took:" << st.elapsedMSec());
785 // Ensure IOrules and path validation are working properly by trying to
786 // access a folder/file which should never be accessible.
787 const char* no_access_path =
793 if( fgValidatePath(no_access_path, true) )
798 "Check your IOrules! (write to '" << no_access_path << "' is allowed)"
800 if( fgValidatePath(no_access_path, false) )
805 "Check your IOrules! (read from '" << no_access_path << "' is allowed)"
808 // initialize methods that depend on other subsystems.
810 globals->get_subsystem_mgr()->postinit();
811 SG_LOG(SG_GENERAL, SG_INFO, "Subsystems postinit took:" << st.elapsedMSec());
813 ////////////////////////////////////////////////////////////////////////
814 // End of subsystem initialization.
815 ////////////////////////////////////////////////////////////////////
817 fgSetBool("/sim/crashed", false);
818 fgSetBool("/sim/initialized", true);
820 SG_LOG( SG_GENERAL, SG_INFO, endl);
822 // Save the initial state for future
824 globals->saveInitialState();
827 // Reset: this is what the 'reset' command (and hence, GUI) is attached to
828 void fgReInitSubsystems()
830 SGPropertyNode *master_freeze = fgGetNode("/sim/freeze/master");
832 SG_LOG( SG_GENERAL, SG_INFO, "fgReInitSubsystems()");
834 // setup state to begin re-init
835 bool freeze = master_freeze->getBoolValue();
837 master_freeze->setBoolValue(true);
840 fgSetBool("/sim/signals/reinit", true);
841 fgSetBool("/sim/crashed", false);
843 // do actual re-init steps
844 globals->get_subsystem("flight")->unbind();
846 // reset control state, before restoring initial state; -set or config files
847 // may specify values for flaps, trim tabs, magnetos, etc
848 globals->get_controls()->reset_all();
850 globals->restoreInitialState();
852 // update our position based on current presets
853 // this will mark position as needed finalized which we'll do in the
855 flightgear::initPosition();
857 simgear::SGTerraSync* terraSync =
858 static_cast<simgear::SGTerraSync*>(globals->get_subsystem("terrasync"));
860 terraSync->reposition();
863 // Force reupdating the positions of the ai 3d models. They are used for
864 // initializing ground level for the FDM.
865 globals->get_subsystem("ai-model")->reinit();
867 // Initialize the FDM
868 globals->get_subsystem("flight")->reinit();
870 // reset replay buffers
871 globals->get_subsystem("replay")->reinit();
873 // reload offsets from config defaults
874 globals->get_viewmgr()->reinit();
876 // ugly: finalizePosition waits for METAR to arrive for the new airport.
877 // we don't re-init the environment manager here, since historically we did
878 // not, and doing so seems to have other issues. All that's needed is to
879 // schedule METAR fetch immediately, so it's available for finalizePosition.
880 // So we manually extract the METAR-fetching component inside the environment
881 // manager, and re-init that.
882 SGSubsystemGroup* envMgr = static_cast<SGSubsystemGroup*>(globals->get_subsystem("environment"));
884 envMgr->get_subsystem("realwx")->reinit();
887 globals->get_subsystem("time")->reinit();
889 // need to bind FDMshell again, since we manually unbound it above...
890 globals->get_subsystem("flight")->bind();
892 // need to reset aircraft (systems/instruments) so they can adapt to current environment
893 globals->get_subsystem("systems")->reinit();
894 globals->get_subsystem("instrumentation")->reinit();
896 globals->get_subsystem("ATIS")->reinit();
898 // setup state to end re-init
899 fgSetBool("/sim/signals/reinit", false);
901 master_freeze->setBoolValue(false);
903 fgSetBool("/sim/sceneryloaded",false);
907 ///////////////////////////////////////////////////////////////////////////////
908 // helper object to implement the --show-aircraft command.
909 // resides here so we can share the fgFindAircraftInDir template above,
910 // and hence ensure this command lists exectly the same aircraft as the normal
917 _minStatus = getNumMaturity(fgGetString("/sim/aircraft-min-status", "all"));
921 void show(const SGPath& path)
923 fgFindAircraftInDir(path, this, &ShowAircraft::processAircraft);
925 std::sort(_aircraft.begin(), _aircraft.end(), ciLessLibC());
926 SG_LOG( SG_GENERAL, SG_ALERT, "" ); // To popup the console on Windows
927 cout << "Available aircraft:" << endl;
928 for ( unsigned int i = 0; i < _aircraft.size(); i++ ) {
929 cout << _aircraft[i] << endl;
934 bool processAircraft(const SGPath& path)
938 readProperties(path.str(), &root);
939 } catch (sg_exception& ) {
945 descStr += path.file();
946 // trim common suffix from file names
947 int nPos = descStr.rfind("-set.xml");
948 if (nPos == (int)(descStr.size() - 8)) {
949 descStr.resize(nPos);
952 SGPropertyNode *node = root.getNode("sim");
954 SGPropertyNode* desc = node->getNode("description");
955 // if a status tag is found, read it in
956 if (node->hasValue("status")) {
957 maturity = getNumMaturity(node->getStringValue("status"));
961 if (descStr.size() <= 27+3) {
962 descStr.append(29+3-descStr.size(), ' ');
965 descStr.append( 32, ' ');
967 descStr += desc->getStringValue();
969 } // of have 'sim' node
971 if (maturity < _minStatus) {
975 _aircraft.push_back(descStr);
980 int getNumMaturity(const char * str)
982 // changes should also be reflected in $FG_ROOT/data/options.xml &
983 // $FG_ROOT/data/Translations/string-default.xml
984 const char* levels[] = {"alpha","beta","early-production","production"};
986 if (!strcmp(str, "all")) {
990 for (size_t i=0; i<(sizeof(levels)/sizeof(levels[0]));i++)
991 if (strcmp(str,levels[i])==0)
997 // recommended in Meyers, Effective STL when internationalization and embedded
998 // NULLs aren't an issue. Much faster than the STL or Boost lex versions.
999 struct ciLessLibC : public std::binary_function<string, string, bool>
1001 bool operator()(const std::string &lhs, const std::string &rhs) const
1003 return strcasecmp(lhs.c_str(), rhs.c_str()) < 0 ? 1 : 0;
1008 string_list _aircraft;
1011 void fgShowAircraft(const SGPath &path)
1017 cout << "Hit a key to continue..." << endl;