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>
57 #include <Aircraft/controls.hxx>
58 #include <Aircraft/replay.hxx>
59 #include <Aircraft/FlightHistory.hxx>
60 #include <Airports/runways.hxx>
61 #include <Airports/airport.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>
104 #include <Network/fgcom.hxx>
106 #include "fg_init.hxx"
108 #include "fg_commands.hxx"
109 #include "fg_props.hxx"
110 #include "FGInterpolator.hxx"
111 #include "options.hxx"
112 #include "globals.hxx"
113 #include "logger.hxx"
115 #include "positioninit.hxx"
122 using namespace boost::algorithm;
125 // Return the current base package version
126 string fgBasePackageVersion() {
127 SGPath base_path( globals->get_fg_root() );
128 base_path.append("version");
130 sg_gzifstream in( base_path.str() );
131 if ( !in.is_open() ) {
132 SGPath old_path( globals->get_fg_root() );
133 old_path.append( "Thanks" );
134 sg_gzifstream old( old_path.str() );
135 if ( !old.is_open() ) {
138 return "[old version]";
150 bool fgFindAircraftInDir(const SGPath& dirPath, T* obj, bool (T::*pred)(const SGPath& p))
152 if (!dirPath.exists()) {
153 SG_LOG(SG_GENERAL, SG_WARN, "fgFindAircraftInDir: no such path:" << dirPath.str());
158 simgear::Dir dir(dirPath);
159 simgear::PathList setFiles(dir.children(simgear::Dir::TYPE_FILE, "-set.xml"));
160 simgear::PathList::iterator p;
161 for (p = setFiles.begin(); p != setFiles.end(); ++p) {
162 // check file name ends with -set.xml
164 // if we found a -set.xml at this level, don't recurse any deeper
167 bool done = (obj->*pred)(*p);
171 } // of -set.xml iteration
177 simgear::PathList subdirs(dir.children(simgear::Dir::TYPE_DIR | simgear::Dir::NO_DOT_OR_DOTDOT));
178 for (p = subdirs.begin(); p != subdirs.end(); ++p) {
179 if (p->file() == "CVS") {
183 if (fgFindAircraftInDir(*p, obj, pred)) {
186 } // of subdirs iteration
192 void fgFindAircraft(T* obj, bool (T::*pred)(const SGPath& p))
194 const string_list& paths(globals->get_aircraft_paths());
195 string_list::const_iterator it = paths.begin();
196 for (; it != paths.end(); ++it) {
197 bool done = fgFindAircraftInDir(SGPath(*it), obj, pred);
201 } // of aircraft paths iteration
203 // if we reach this point, search the default location (always last)
204 SGPath rootAircraft(globals->get_fg_root());
205 rootAircraft.append("Aircraft");
206 fgFindAircraftInDir(rootAircraft, obj, pred);
209 class FindAndCacheAircraft
212 FindAndCacheAircraft(SGPropertyNode* autoSave)
214 _cache = autoSave->getNode("sim/startup/path-cache", true);
219 std::string aircraft = fgGetString( "/sim/aircraft", "");
220 if (aircraft.empty()) {
221 SG_LOG(SG_GENERAL, SG_ALERT, "no aircraft specified");
225 _searchAircraft = aircraft + "-set.xml";
226 std::string aircraftDir = fgGetString("/sim/aircraft-dir", "");
227 if (!aircraftDir.empty()) {
228 // aircraft-dir was set, skip any searching at all, if it's valid
229 simgear::Dir acPath(aircraftDir);
230 SGPath setFile = acPath.file(_searchAircraft);
231 if (setFile.exists()) {
232 SG_LOG(SG_GENERAL, SG_INFO, "found aircraft in dir: " << aircraftDir );
235 readProperties(setFile.str(), globals->get_props());
236 } catch ( const sg_exception &e ) {
237 SG_LOG(SG_INPUT, SG_ALERT, "Error reading aircraft: " << e.getFormattedMessage());
243 SG_LOG(SG_GENERAL, SG_ALERT, "aircraft '" << _searchAircraft <<
244 "' not found in specified dir:" << aircraftDir);
250 // prepare cache for re-scan
251 SGPropertyNode *n = _cache->getNode("fg-root", true);
252 n->setStringValue(globals->get_fg_root().c_str());
253 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
254 n = _cache->getNode("fg-aircraft", true);
255 n->setStringValue(getAircraftPaths().c_str());
256 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
257 _cache->removeChildren("aircraft");
259 fgFindAircraft(this, &FindAndCacheAircraft::checkAircraft);
262 if (_foundPath.str().empty()) {
263 SG_LOG(SG_GENERAL, SG_ALERT, "Cannot find specified aircraft: " << aircraft );
267 SG_LOG(SG_GENERAL, SG_INFO, "Loading aircraft -set file from:" << _foundPath.str());
268 fgSetString( "/sim/aircraft-dir", _foundPath.dir().c_str());
269 if (!_foundPath.exists()) {
270 SG_LOG(SG_GENERAL, SG_ALERT, "Unable to find -set file:" << _foundPath.str());
275 readProperties(_foundPath.str(), globals->get_props());
276 } catch ( const sg_exception &e ) {
277 SG_LOG(SG_INPUT, SG_ALERT, "Error reading aircraft: " << e.getFormattedMessage());
285 SGPath getAircraftPaths() {
286 string_list pathList = globals->get_aircraft_paths();
287 SGPath aircraftPaths;
288 string_list::const_iterator it = pathList.begin();
289 if (it != pathList.end()) {
290 aircraftPaths.set(*it);
293 for (; it != pathList.end(); ++it) {
294 aircraftPaths.add(*it);
296 return aircraftPaths;
301 if (globals->get_fg_root() != _cache->getStringValue("fg-root", "")) {
302 return false; // cache mismatch
305 if (getAircraftPaths().str() != _cache->getStringValue("fg-aircraft", "")) {
306 return false; // cache mismatch
309 vector<SGPropertyNode_ptr> cache = _cache->getChildren("aircraft");
310 for (unsigned int i = 0; i < cache.size(); i++) {
311 const char *name = cache[i]->getStringValue("file", "");
312 if (!boost::equals(_searchAircraft, name, is_iequal())) {
316 SGPath xml(cache[i]->getStringValue("path", ""));
324 } // of aircraft in cache iteration
329 bool checkAircraft(const SGPath& p)
334 if (!_cache->getChild("aircraft", i++, false))
338 SGPropertyNode *n, *entry = _cache->getChild("aircraft", --i, true);
340 std::string fileName(p.file());
341 n = entry->getNode("file", true);
342 n->setStringValue(fileName);
343 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
345 n = entry->getNode("path", true);
346 n->setStringValue(p.dir());
347 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
349 if ( boost::equals(fileName, _searchAircraft.c_str(), is_iequal()) ) {
357 std::string _searchAircraft;
359 SGPropertyNode* _cache;
363 static SGPath platformDefaultDataPath()
365 char *envp = ::getenv( "APPDATA" );
366 SGPath config( envp );
367 config.append( "flightgear.org" );
372 #include <CoreServices/CoreServices.h>
374 static SGPath platformDefaultDataPath()
377 OSErr err = FSFindFolder(kUserDomain, kApplicationSupportFolderType, false, &ref);
382 unsigned char path[1024];
383 if (FSRefMakePath(&ref, path, 1024) != noErr) {
388 appData.set((const char*) path);
389 appData.append("FlightGear");
393 static SGPath platformDefaultDataPath()
395 return SGPath::home() / ".fgfs";
401 SGPath dataPath = SGPath::fromEnv("FG_HOME", platformDefaultDataPath());
402 globals->set_fg_home(dataPath.c_str());
404 simgear::Dir fgHome(dataPath);
405 if (!fgHome.exists()) {
410 // Read in configuration (file and command line)
411 bool fgInitConfig ( int argc, char **argv )
413 SGPath dataPath = globals->get_fg_home();
415 simgear::Dir exportDir(simgear::Dir(dataPath).file("Export"));
416 if (!exportDir.exists()) {
417 exportDir.create(0777);
420 // Set /sim/fg-home and don't allow malign code to override it until
421 // Nasal security is set up. Use FG_HOME if necessary.
422 SGPropertyNode *home = fgGetNode("/sim", true);
423 home->removeChild("fg-home", 0, false);
424 home = home->getChild("fg-home", 0, true);
425 home->setStringValue(dataPath.c_str());
426 home->setAttribute(SGPropertyNode::WRITE, false);
428 flightgear::Options* options = flightgear::Options::sharedInstance();
429 options->init(argc, argv, dataPath);
430 bool loadDefaults = flightgear::Options::sharedInstance()->shouldLoadDefaultConfig();
432 // Read global preferences from $FG_ROOT/preferences.xml
433 SG_LOG(SG_INPUT, SG_INFO, "Reading global preferences");
434 fgLoadProps("preferences.xml", globals->get_props());
435 SG_LOG(SG_INPUT, SG_INFO, "Finished Reading global preferences");
437 // do not load user settings when reset to default is requested
438 if (flightgear::Options::sharedInstance()->isOptionSet("restore-defaults"))
440 SG_LOG(SG_ALL, SG_ALERT, "Ignoring user settings. Restoring defaults.");
444 globals->loadUserSettings(dataPath);
447 SG_LOG(SG_GENERAL, SG_INFO, "not reading default configuration files");
448 }// of no-default-config selected
450 // Scan user config files and command line for a specified aircraft.
451 options->initAircraft();
453 FindAndCacheAircraft f(globals->get_props());
454 if (!f.loadAircraft()) {
458 // parse options after loading aircraft to ensure any user
459 // overrides of defaults are honored.
460 options->processOptions();
468 * Initialize vor/ndb/ils/fix list management and query systems (as
469 * well as simple airport db list)
470 * This is called multiple times in the case of a cache rebuild,
471 * to allow length caching to take place in the background, without
472 * blocking the main/UI thread.
477 flightgear::NavDataCache* cache = flightgear::NavDataCache::instance();
478 static bool doingRebuild = false;
479 if (doingRebuild || cache->isRebuildRequired()) {
481 bool finished = cache->rebuild();
483 // sleep to give the rebuild thread more time
484 SGTimeStamp::sleepForMSec(50);
489 FGTACANList *channellist = new FGTACANList;
490 globals->set_channellist( channellist );
492 SGPath path(globals->get_fg_root());
493 path.append( "Navaids/TACAN_freq.dat" );
494 flightgear::loadTacan(path, channellist);
499 // General house keeping initializations
500 bool fgInitGeneral() {
503 SG_LOG( SG_GENERAL, SG_INFO, "General Initialization" );
504 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
506 root = globals->get_fg_root();
507 if ( ! root.length() ) {
508 // No root path set? Then bail ...
509 SG_LOG( SG_GENERAL, SG_ALERT,
510 "Cannot continue without a path to the base package "
511 << "being defined." );
514 SG_LOG( SG_GENERAL, SG_INFO, "FG_ROOT = " << '"' << root << '"' << endl );
516 // Note: browser command is hard-coded for Mac/Windows, so this only affects other platforms
517 globals->set_browser(fgGetString("/sim/startup/browser-app", WEB_BROWSER));
518 fgSetString("/sim/startup/browser-app", globals->get_browser());
520 simgear::Dir cwd(simgear::Dir::current());
521 SGPropertyNode *curr = fgGetNode("/sim", true);
522 curr->removeChild("fg-current", 0, false);
523 curr = curr->getChild("fg-current", 0, true);
524 curr->setStringValue(cwd.path().str());
525 curr->setAttribute(SGPropertyNode::WRITE, false);
527 fgSetBool("/sim/startup/stdout-to-terminal", isatty(1) != 0 );
528 fgSetBool("/sim/startup/stderr-to-terminal", isatty(2) != 0 );
532 // Write various configuraton values out to the logs
533 void fgOutputSettings()
535 SG_LOG( SG_GENERAL, SG_INFO, "Configuration State" );
536 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
538 SG_LOG( SG_GENERAL, SG_INFO, "aircraft-dir = " << '"' << fgGetString("/sim/aircraft-dir") << '"' );
539 SG_LOG( SG_GENERAL, SG_INFO, "fghome-dir = " << '"' << globals->get_fg_home() << '"');
540 SG_LOG( SG_GENERAL, SG_INFO, "aircraft-dir = " << '"' << fgGetString("/sim/aircraft-dir") << '"');
542 SG_LOG( SG_GENERAL, SG_INFO, "aircraft-search-paths = \n\t" << simgear::strutils::join(globals->get_aircraft_paths(), "\n\t") );
543 SG_LOG( SG_GENERAL, SG_INFO, "scenery-search-paths = \n\t" << simgear::strutils::join(globals->get_fg_scenery(), "\n\t") );
546 // This is the top level init routine which calls all the other
547 // initialization routines. If you are adding a subsystem to flight
548 // gear, its initialization call should located in this routine.
549 // Returns non-zero if a problem encountered.
550 void fgCreateSubsystems() {
552 SG_LOG( SG_GENERAL, SG_INFO, "Creating Subsystems");
553 SG_LOG( SG_GENERAL, SG_INFO, "========== ==========");
555 ////////////////////////////////////////////////////////////////////
556 // Initialize the sound subsystem.
557 ////////////////////////////////////////////////////////////////////
558 // Sound manager uses an own subsystem group "SOUND" which is the last
559 // to be updated in every loop.
560 // Sound manager is updated last so it can use the CPU while the GPU
561 // is processing the scenery (doubled the frame-rate for me) -EMH-
562 globals->add_subsystem("sound", new FGSoundManager, SGSubsystemMgr::SOUND);
564 ////////////////////////////////////////////////////////////////////
565 // Initialize the event manager subsystem.
566 ////////////////////////////////////////////////////////////////////
568 globals->get_event_mgr()->init();
569 globals->get_event_mgr()->setRealtimeProperty(fgGetNode("/sim/time/delta-realtime-sec", true));
571 ////////////////////////////////////////////////////////////////////
572 // Initialize the property interpolator subsystem. Put into the INIT
573 // group because the "nasal" subsystem may need it at GENERAL take-down.
574 ////////////////////////////////////////////////////////////////////
575 FGInterpolator* interp = new FGInterpolator;
576 interp->setRealtimeProperty(fgGetNode("/sim/time/delta-realtime-sec", true));
577 globals->add_subsystem("prop-interpolator", interp, SGSubsystemMgr::INIT);
578 SGPropertyNode::setInterpolationMgr(interp);
580 ////////////////////////////////////////////////////////////////////
581 // Add the FlightGear property utilities.
582 ////////////////////////////////////////////////////////////////////
583 globals->add_subsystem("properties", new FGProperties);
586 ////////////////////////////////////////////////////////////////////
587 // Add the performance monitoring system.
588 ////////////////////////////////////////////////////////////////////
589 globals->add_subsystem("performance-mon",
590 new SGPerformanceMonitor(globals->get_subsystem_mgr(),
591 fgGetNode("/sim/performance-monitor", true)));
593 ////////////////////////////////////////////////////////////////////
594 // Initialize the material property subsystem.
595 ////////////////////////////////////////////////////////////////////
597 SGPath mpath( globals->get_fg_root() );
598 mpath.append( fgGetString("/sim/rendering/materials-file") );
599 if ( ! globals->get_matlib()->load(globals->get_fg_root(), mpath.str(),
600 globals->get_props()) ) {
601 SG_LOG( SG_GENERAL, SG_ALERT,
602 "Error loading materials file " << mpath.str() );
606 globals->add_subsystem( "http", new FGHTTPClient );
608 ////////////////////////////////////////////////////////////////////
609 // Initialize the scenery management subsystem.
610 ////////////////////////////////////////////////////////////////////
612 globals->get_scenery()->get_scene_graph()
613 ->addChild(simgear::Particles::getCommonRoot());
614 simgear::GlobalParticleCallback::setSwitch(fgGetNode("/sim/rendering/particles", true));
616 ////////////////////////////////////////////////////////////////////
617 // Initialize the flight model subsystem.
618 ////////////////////////////////////////////////////////////////////
620 globals->add_subsystem("flight", new FDMShell, SGSubsystemMgr::FDM);
622 ////////////////////////////////////////////////////////////////////
623 // Initialize the weather subsystem.
624 ////////////////////////////////////////////////////////////////////
626 // Initialize the weather modeling subsystem
627 globals->add_subsystem("environment", new FGEnvironmentMgr);
628 globals->add_subsystem("ephemeris", new Ephemeris);
630 ////////////////////////////////////////////////////////////////////
631 // Initialize the aircraft systems and instrumentation (before the
633 ////////////////////////////////////////////////////////////////////
635 globals->add_subsystem("systems", new FGSystemMgr, SGSubsystemMgr::FDM);
636 globals->add_subsystem("instrumentation", new FGInstrumentMgr, SGSubsystemMgr::FDM);
637 globals->add_subsystem("hud", new HUD, SGSubsystemMgr::DISPLAY);
638 globals->add_subsystem("cockpit-displays", new flightgear::CockpitDisplayManager, SGSubsystemMgr::DISPLAY);
640 ////////////////////////////////////////////////////////////////////
641 // Initialize the XML Autopilot subsystem.
642 ////////////////////////////////////////////////////////////////////
644 globals->add_subsystem( "xml-autopilot", FGXMLAutopilotGroup::createInstance("autopilot"), SGSubsystemMgr::FDM );
645 globals->add_subsystem( "xml-proprules", FGXMLAutopilotGroup::createInstance("property-rule"), SGSubsystemMgr::GENERAL );
646 globals->add_subsystem( "route-manager", new FGRouteMgr );
648 ////////////////////////////////////////////////////////////////////
649 // Initialize the Input-Output subsystem
650 ////////////////////////////////////////////////////////////////////
651 globals->add_subsystem( "io", new FGIO );
653 ////////////////////////////////////////////////////////////////////
654 // Create and register the logger.
655 ////////////////////////////////////////////////////////////////////
657 globals->add_subsystem("logger", new FGLogger);
659 ////////////////////////////////////////////////////////////////////
660 // Create and register the XML GUI.
661 ////////////////////////////////////////////////////////////////////
663 globals->add_subsystem("gui", new NewGUI, SGSubsystemMgr::INIT);
665 //////////////////////////////////////////////////////////////////////
666 // Initialize the 2D cloud subsystem.
667 ////////////////////////////////////////////////////////////////////
668 fgGetBool("/sim/rendering/bump-mapping", false);
670 ////////////////////////////////////////////////////////////////////
671 // Initialize the canvas 2d drawing subsystem.
672 ////////////////////////////////////////////////////////////////////
673 globals->add_subsystem("Canvas", new CanvasMgr, SGSubsystemMgr::DISPLAY);
674 globals->add_subsystem("CanvasGUI", new GUIMgr, SGSubsystemMgr::DISPLAY);
676 ////////////////////////////////////////////////////////////////////
677 // Initialise the ATIS Manager
678 // Note that this is old stuff, but is necessary for the
679 // current ATIS implementation. Therefore, leave it in here
680 // until the ATIS system is ported over to make use of the ATIS
681 // sub system infrastructure.
682 ////////////////////////////////////////////////////////////////////
684 globals->add_subsystem("ATIS", new FGATISMgr, SGSubsystemMgr::INIT, 0.4);
686 ////////////////////////////////////////////////////////////////////
687 // Initialize the ATC subsystem
688 ////////////////////////////////////////////////////////////////////
689 globals->add_subsystem("ATC", new FGATCManager, SGSubsystemMgr::POST_FDM);
691 ////////////////////////////////////////////////////////////////////
692 // Initialize multiplayer subsystem
693 ////////////////////////////////////////////////////////////////////
695 globals->add_subsystem("mp", new FGMultiplayMgr, SGSubsystemMgr::POST_FDM);
697 ////////////////////////////////////////////////////////////////////
698 // Initialise the AI Model Manager
699 ////////////////////////////////////////////////////////////////////
700 SG_LOG(SG_GENERAL, SG_INFO, " AI Model Manager");
701 globals->add_subsystem("ai-model", new FGAIManager, SGSubsystemMgr::POST_FDM);
702 globals->add_subsystem("submodel-mgr", new FGSubmodelMgr, SGSubsystemMgr::POST_FDM);
705 // It's probably a good idea to initialize the top level traffic manager
706 // After the AI and ATC systems have been initialized properly.
707 // AI Traffic manager
708 globals->add_subsystem("traffic-manager", new FGTrafficManager, SGSubsystemMgr::POST_FDM);
710 ////////////////////////////////////////////////////////////////////
711 // Add a new 2D panel.
712 ////////////////////////////////////////////////////////////////////
714 fgSetArchivable("/sim/panel/visibility");
715 fgSetArchivable("/sim/panel/x-offset");
716 fgSetArchivable("/sim/panel/y-offset");
717 fgSetArchivable("/sim/panel/jitter");
719 ////////////////////////////////////////////////////////////////////
720 // Initialize the controls subsystem.
721 ////////////////////////////////////////////////////////////////////
723 globals->add_subsystem("controls", new FGControls, SGSubsystemMgr::GENERAL);
725 ////////////////////////////////////////////////////////////////////
726 // Initialize the input subsystem.
727 ////////////////////////////////////////////////////////////////////
729 globals->add_subsystem("input", new FGInput, SGSubsystemMgr::GENERAL);
732 ////////////////////////////////////////////////////////////////////
733 // Initialize the replay subsystem
734 ////////////////////////////////////////////////////////////////////
735 globals->add_subsystem("replay", new FGReplay);
736 globals->add_subsystem("history", new FGFlightHistory);
738 #ifdef ENABLE_AUDIO_SUPPORT
739 ////////////////////////////////////////////////////////////////////
740 // Initialize the sound-effects subsystem.
741 ////////////////////////////////////////////////////////////////////
742 globals->add_subsystem("voice", new FGVoiceMgr, SGSubsystemMgr::DISPLAY);
746 ////////////////////////////////////////////////////////////////////
747 // Initialize the FGCom subsystem.
748 ////////////////////////////////////////////////////////////////////
749 globals->add_subsystem("fgcom", new FGCom);
752 ////////////////////////////////////////////////////////////////////
753 // Initialize the lighting subsystem.
754 ////////////////////////////////////////////////////////////////////
756 globals->add_subsystem("lighting", new FGLight, SGSubsystemMgr::DISPLAY);
758 // ordering here is important : Nasal (via events), then models, then views
759 globals->add_subsystem("events", globals->get_event_mgr(), SGSubsystemMgr::DISPLAY);
761 globals->add_subsystem("aircraft-model", new FGAircraftModel, SGSubsystemMgr::DISPLAY);
762 globals->add_subsystem("model-manager", new FGModelMgr, SGSubsystemMgr::DISPLAY);
764 globals->add_subsystem("view-manager", new FGViewMgr, SGSubsystemMgr::DISPLAY);
766 globals->add_subsystem("tile-manager", globals->get_tile_mgr(),
767 SGSubsystemMgr::DISPLAY);
770 void fgPostInitSubsystems()
775 ////////////////////////////////////////////////////////////////////////
776 // Initialize the Nasal interpreter.
777 // Do this last, so that the loaded scripts see initialized state
778 ////////////////////////////////////////////////////////////////////////
779 FGNasalSys* nasal = new FGNasalSys();
780 globals->add_subsystem("nasal", nasal, SGSubsystemMgr::INIT);
782 SG_LOG(SG_GENERAL, SG_INFO, "Nasal init took:" << st.elapsedMSec());
784 // Ensure IOrules and path validation are working properly by trying to
785 // access a folder/file which should never be accessible.
786 const char* no_access_path =
792 if( fgValidatePath(no_access_path, true) )
797 "Check your IOrules! (write to '" << no_access_path << "' is allowed)"
799 if( fgValidatePath(no_access_path, false) )
804 "Check your IOrules! (read from '" << no_access_path << "' is allowed)"
807 // initialize methods that depend on other subsystems.
809 globals->get_subsystem_mgr()->postinit();
810 SG_LOG(SG_GENERAL, SG_INFO, "Subsystems postinit took:" << st.elapsedMSec());
812 ////////////////////////////////////////////////////////////////////////
813 // End of subsystem initialization.
814 ////////////////////////////////////////////////////////////////////
816 fgSetBool("/sim/crashed", false);
817 fgSetBool("/sim/initialized", true);
819 SG_LOG( SG_GENERAL, SG_INFO, endl);
821 // Save the initial state for future
823 globals->saveInitialState();
826 // Reset: this is what the 'reset' command (and hence, GUI) is attached to
827 void fgReInitSubsystems()
829 SGPropertyNode *master_freeze = fgGetNode("/sim/freeze/master");
831 SG_LOG( SG_GENERAL, SG_INFO, "fgReInitSubsystems()");
833 // setup state to begin re-init
834 bool freeze = master_freeze->getBoolValue();
836 master_freeze->setBoolValue(true);
839 fgSetBool("/sim/signals/reinit", true);
840 fgSetBool("/sim/crashed", false);
842 // do actual re-init steps
843 globals->get_subsystem("flight")->unbind();
845 // reset control state, before restoring initial state; -set or config files
846 // may specify values for flaps, trim tabs, magnetos, etc
847 globals->get_controls()->reset_all();
849 globals->restoreInitialState();
851 // update our position based on current presets
852 // this will mark position as needed finalized which we'll do in the
854 flightgear::initPosition();
856 // Force reupdating the positions of the ai 3d models. They are used for
857 // initializing ground level for the FDM.
858 globals->get_subsystem("ai-model")->reinit();
860 // Initialize the FDM
861 globals->get_subsystem("flight")->reinit();
863 // reset replay buffers
864 globals->get_subsystem("replay")->reinit();
866 // reload offsets from config defaults
867 globals->get_viewmgr()->reinit();
869 // ugly: finalizePosition waits for METAR to arrive for the new airport.
870 // we don't re-init the environment manager here, since historically we did
871 // not, and doing so seems to have other issues. All that's needed is to
872 // schedule METAR fetch immediately, so it's available for finalizePosition.
873 // So we manually extract the METAR-fetching component inside the environment
874 // manager, and re-init that.
875 SGSubsystemGroup* envMgr = static_cast<SGSubsystemGroup*>(globals->get_subsystem("environment"));
877 envMgr->get_subsystem("realwx")->reinit();
880 globals->get_subsystem("time")->reinit();
882 // need to bind FDMshell again, since we manually unbound it above...
883 globals->get_subsystem("flight")->bind();
885 // need to reset aircraft (systems/instruments) so they can adapt to current environment
886 globals->get_subsystem("systems")->reinit();
887 globals->get_subsystem("instrumentation")->reinit();
889 globals->get_subsystem("ATIS")->reinit();
891 // setup state to end re-init
892 fgSetBool("/sim/signals/reinit", false);
894 master_freeze->setBoolValue(false);
896 fgSetBool("/sim/sceneryloaded",false);
900 ///////////////////////////////////////////////////////////////////////////////
901 // helper object to implement the --show-aircraft command.
902 // resides here so we can share the fgFindAircraftInDir template above,
903 // and hence ensure this command lists exectly the same aircraft as the normal
910 _minStatus = getNumMaturity(fgGetString("/sim/aircraft-min-status", "all"));
914 void show(const SGPath& path)
916 fgFindAircraftInDir(path, this, &ShowAircraft::processAircraft);
918 std::sort(_aircraft.begin(), _aircraft.end(), ciLessLibC());
919 SG_LOG( SG_GENERAL, SG_ALERT, "" ); // To popup the console on Windows
920 cout << "Available aircraft:" << endl;
921 for ( unsigned int i = 0; i < _aircraft.size(); i++ ) {
922 cout << _aircraft[i] << endl;
927 bool processAircraft(const SGPath& path)
931 readProperties(path.str(), &root);
932 } catch (sg_exception& ) {
938 descStr += path.file();
939 // trim common suffix from file names
940 int nPos = descStr.rfind("-set.xml");
941 if (nPos == (int)(descStr.size() - 8)) {
942 descStr.resize(nPos);
945 SGPropertyNode *node = root.getNode("sim");
947 SGPropertyNode* desc = node->getNode("description");
948 // if a status tag is found, read it in
949 if (node->hasValue("status")) {
950 maturity = getNumMaturity(node->getStringValue("status"));
954 if (descStr.size() <= 27+3) {
955 descStr.append(29+3-descStr.size(), ' ');
958 descStr.append( 32, ' ');
960 descStr += desc->getStringValue();
962 } // of have 'sim' node
964 if (maturity < _minStatus) {
968 _aircraft.push_back(descStr);
973 int getNumMaturity(const char * str)
975 // changes should also be reflected in $FG_ROOT/data/options.xml &
976 // $FG_ROOT/data/Translations/string-default.xml
977 const char* levels[] = {"alpha","beta","early-production","production"};
979 if (!strcmp(str, "all")) {
983 for (size_t i=0; i<(sizeof(levels)/sizeof(levels[0]));i++)
984 if (strcmp(str,levels[i])==0)
990 // recommended in Meyers, Effective STL when internationalization and embedded
991 // NULLs aren't an issue. Much faster than the STL or Boost lex versions.
992 struct ciLessLibC : public std::binary_function<string, string, bool>
994 bool operator()(const std::string &lhs, const std::string &rhs) const
996 return strcasecmp(lhs.c_str(), rhs.c_str()) < 0 ? 1 : 0;
1001 string_list _aircraft;
1004 void fgShowAircraft(const SGPath &path)
1010 cout << "Hit a key to continue..." << endl;