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>
105 #include "fg_init.hxx"
107 #include "fg_commands.hxx"
108 #include "fg_props.hxx"
109 #include "FGInterpolator.hxx"
110 #include "options.hxx"
111 #include "globals.hxx"
112 #include "logger.hxx"
114 #include "positioninit.hxx"
121 using namespace boost::algorithm;
124 // Return the current base package version
125 string fgBasePackageVersion() {
126 SGPath base_path( globals->get_fg_root() );
127 base_path.append("version");
129 sg_gzifstream in( base_path.str() );
130 if ( !in.is_open() ) {
131 SGPath old_path( globals->get_fg_root() );
132 old_path.append( "Thanks" );
133 sg_gzifstream old( old_path.str() );
134 if ( !old.is_open() ) {
137 return "[old version]";
149 bool fgFindAircraftInDir(const SGPath& dirPath, T* obj, bool (T::*pred)(const SGPath& p))
151 if (!dirPath.exists()) {
152 SG_LOG(SG_GENERAL, SG_WARN, "fgFindAircraftInDir: no such path:" << dirPath.str());
157 simgear::Dir dir(dirPath);
158 simgear::PathList setFiles(dir.children(simgear::Dir::TYPE_FILE, "-set.xml"));
159 simgear::PathList::iterator p;
160 for (p = setFiles.begin(); p != setFiles.end(); ++p) {
161 // check file name ends with -set.xml
163 // if we found a -set.xml at this level, don't recurse any deeper
166 bool done = (obj->*pred)(*p);
170 } // of -set.xml iteration
176 simgear::PathList subdirs(dir.children(simgear::Dir::TYPE_DIR | simgear::Dir::NO_DOT_OR_DOTDOT));
177 for (p = subdirs.begin(); p != subdirs.end(); ++p) {
178 if (p->file() == "CVS") {
182 if (fgFindAircraftInDir(*p, obj, pred)) {
185 } // of subdirs iteration
191 void fgFindAircraft(T* obj, bool (T::*pred)(const SGPath& p))
193 const string_list& paths(globals->get_aircraft_paths());
194 string_list::const_iterator it = paths.begin();
195 for (; it != paths.end(); ++it) {
196 bool done = fgFindAircraftInDir(SGPath(*it), obj, pred);
200 } // of aircraft paths iteration
202 // if we reach this point, search the default location (always last)
203 SGPath rootAircraft(globals->get_fg_root());
204 rootAircraft.append("Aircraft");
205 fgFindAircraftInDir(rootAircraft, obj, pred);
208 class FindAndCacheAircraft
211 FindAndCacheAircraft(SGPropertyNode* autoSave)
213 _cache = autoSave->getNode("sim/startup/path-cache", true);
218 std::string aircraft = fgGetString( "/sim/aircraft", "");
219 if (aircraft.empty()) {
220 SG_LOG(SG_GENERAL, SG_ALERT, "no aircraft specified");
224 _searchAircraft = aircraft + "-set.xml";
225 std::string aircraftDir = fgGetString("/sim/aircraft-dir", "");
226 if (!aircraftDir.empty()) {
227 // aircraft-dir was set, skip any searching at all, if it's valid
228 simgear::Dir acPath(aircraftDir);
229 SGPath setFile = acPath.file(_searchAircraft);
230 if (setFile.exists()) {
231 SG_LOG(SG_GENERAL, SG_INFO, "found aircraft in dir: " << aircraftDir );
234 readProperties(setFile.str(), globals->get_props());
235 } catch ( const sg_exception &e ) {
236 SG_LOG(SG_INPUT, SG_ALERT, "Error reading aircraft: " << e.getFormattedMessage());
242 SG_LOG(SG_GENERAL, SG_ALERT, "aircraft '" << _searchAircraft <<
243 "' not found in specified dir:" << aircraftDir);
249 // prepare cache for re-scan
250 SGPropertyNode *n = _cache->getNode("fg-root", true);
251 n->setStringValue(globals->get_fg_root().c_str());
252 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
253 n = _cache->getNode("fg-aircraft", true);
254 n->setStringValue(getAircraftPaths().c_str());
255 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
256 _cache->removeChildren("aircraft");
258 fgFindAircraft(this, &FindAndCacheAircraft::checkAircraft);
261 if (_foundPath.str().empty()) {
262 SG_LOG(SG_GENERAL, SG_ALERT, "Cannot find specified aircraft: " << aircraft );
266 SG_LOG(SG_GENERAL, SG_INFO, "Loading aircraft -set file from:" << _foundPath.str());
267 fgSetString( "/sim/aircraft-dir", _foundPath.dir().c_str());
268 if (!_foundPath.exists()) {
269 SG_LOG(SG_GENERAL, SG_ALERT, "Unable to find -set file:" << _foundPath.str());
274 readProperties(_foundPath.str(), globals->get_props());
275 } catch ( const sg_exception &e ) {
276 SG_LOG(SG_INPUT, SG_ALERT, "Error reading aircraft: " << e.getFormattedMessage());
284 SGPath getAircraftPaths() {
285 string_list pathList = globals->get_aircraft_paths();
286 SGPath aircraftPaths;
287 string_list::const_iterator it = pathList.begin();
288 if (it != pathList.end()) {
289 aircraftPaths.set(*it);
292 for (; it != pathList.end(); ++it) {
293 aircraftPaths.add(*it);
295 return aircraftPaths;
300 if (globals->get_fg_root() != _cache->getStringValue("fg-root", "")) {
301 return false; // cache mismatch
304 if (getAircraftPaths().str() != _cache->getStringValue("fg-aircraft", "")) {
305 return false; // cache mismatch
308 vector<SGPropertyNode_ptr> cache = _cache->getChildren("aircraft");
309 for (unsigned int i = 0; i < cache.size(); i++) {
310 const char *name = cache[i]->getStringValue("file", "");
311 if (!boost::equals(_searchAircraft, name, is_iequal())) {
315 SGPath xml(cache[i]->getStringValue("path", ""));
323 } // of aircraft in cache iteration
328 bool checkAircraft(const SGPath& p)
333 if (!_cache->getChild("aircraft", i++, false))
337 SGPropertyNode *n, *entry = _cache->getChild("aircraft", --i, true);
339 std::string fileName(p.file());
340 n = entry->getNode("file", true);
341 n->setStringValue(fileName);
342 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
344 n = entry->getNode("path", true);
345 n->setStringValue(p.dir());
346 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
348 if ( boost::equals(fileName, _searchAircraft.c_str(), is_iequal()) ) {
356 std::string _searchAircraft;
358 SGPropertyNode* _cache;
362 static SGPath platformDefaultDataPath()
364 char *envp = ::getenv( "APPDATA" );
365 SGPath config( envp );
366 config.append( "flightgear.org" );
370 SGPath platformDesktopPath()
373 typedef BOOL (WINAPI*GetSpecialFolderPath)(HWND, LPWSTR, int, BOOL);
374 static GetSpecialFolderPath SHGetSpecialFolderPath = NULL;
376 // lazy open+resolve of shell32
377 if (!SHGetSpecialFolderPath) {
378 HINSTANCE shellDll = ::LoadLibrary("shell32");
379 SHGetSpecialFolderPath = (GetSpecialFolderPath) GetProcAddress(shellDll, "SHGetSpecialFolderPathA");
382 if (!SHGetSpecialFolderPath)
386 if (SHGetSpecialFolderPath(0, path, CSIDL_DESKTOPDIRECTORY, false)) {
394 return SGPath(fgGetString("/sim/fg-current"));
399 #include <CoreServices/CoreServices.h>
401 static SGPath platformDefaultDataPath()
404 OSErr err = FSFindFolder(kUserDomain, kApplicationSupportFolderType, false, &ref);
409 unsigned char path[1024];
410 if (FSRefMakePath(&ref, path, 1024) != noErr) {
415 appData.set((const char*) path);
416 appData.append("FlightGear");
420 SGPath platformDesktopPath()
423 OSErr err = FSFindFolder(kUserDomain, kDesktopFolderType, false, &ref);
428 unsigned char path[1024];
429 if (FSRefMakePath(&ref, path, 1024) != noErr) {
433 return SGPath((const char*) path);
437 static SGPath platformDefaultDataPath()
439 SGPath config( getenv("HOME") );
440 config.append( ".fgfs" );
444 SGPath platformDesktopPath()
446 SGPath config( getenv("HOME") );
447 config.append( "Desktop" );
454 SGPath dataPath = platformDefaultDataPath();
455 const char *fg_home = getenv("FG_HOME");
459 globals->set_fg_home(dataPath.c_str());
462 // Read in configuration (file and command line)
463 bool fgInitConfig ( int argc, char **argv )
465 SGPath dataPath = globals->get_fg_home();
466 simgear::Dir exportDir(simgear::Dir(dataPath).file("Export"));
467 if (!exportDir.exists()) {
468 exportDir.create(0777);
471 // Set /sim/fg-home and don't allow malign code to override it until
472 // Nasal security is set up. Use FG_HOME if necessary.
473 SGPropertyNode *home = fgGetNode("/sim", true);
474 home->removeChild("fg-home", 0, false);
475 home = home->getChild("fg-home", 0, true);
476 home->setStringValue(dataPath.c_str());
477 home->setAttribute(SGPropertyNode::WRITE, false);
479 flightgear::Options* options = flightgear::Options::sharedInstance();
480 options->init(argc, argv, dataPath);
481 bool loadDefaults = flightgear::Options::sharedInstance()->shouldLoadDefaultConfig();
483 // Read global preferences from $FG_ROOT/preferences.xml
484 SG_LOG(SG_INPUT, SG_INFO, "Reading global preferences");
485 fgLoadProps("preferences.xml", globals->get_props());
486 SG_LOG(SG_INPUT, SG_INFO, "Finished Reading global preferences");
488 // do not load user settings when reset to default is requested
489 if (flightgear::Options::sharedInstance()->isOptionSet("restore-defaults"))
491 SG_LOG(SG_ALL, SG_ALERT, "Ignoring user settings. Restoring defaults.");
495 globals->loadUserSettings(dataPath);
498 SG_LOG(SG_GENERAL, SG_INFO, "not reading default configuration files");
499 }// of no-default-config selected
501 // Scan user config files and command line for a specified aircraft.
502 options->initAircraft();
504 FindAndCacheAircraft f(globals->get_props());
505 if (!f.loadAircraft()) {
509 // parse options after loading aircraft to ensure any user
510 // overrides of defaults are honored.
511 options->processOptions();
519 * Initialize vor/ndb/ils/fix list management and query systems (as
520 * well as simple airport db list)
521 * This is called multiple times in the case of a cache rebuild,
522 * to allow length caching to take place in the background, without
523 * blocking the main/UI thread.
528 flightgear::NavDataCache* cache = flightgear::NavDataCache::instance();
529 static bool doingRebuild = false;
530 if (doingRebuild || cache->isRebuildRequired()) {
532 bool finished = cache->rebuild();
534 // sleep to give the rebuild thread more time
535 SGTimeStamp::sleepForMSec(50);
540 FGTACANList *channellist = new FGTACANList;
541 globals->set_channellist( channellist );
543 SGPath path(globals->get_fg_root());
544 path.append( "Navaids/TACAN_freq.dat" );
545 flightgear::loadTacan(path, channellist);
550 // General house keeping initializations
551 bool fgInitGeneral() {
554 SG_LOG( SG_GENERAL, SG_INFO, "General Initialization" );
555 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
557 root = globals->get_fg_root();
558 if ( ! root.length() ) {
559 // No root path set? Then bail ...
560 SG_LOG( SG_GENERAL, SG_ALERT,
561 "Cannot continue without a path to the base package "
562 << "being defined." );
565 SG_LOG( SG_GENERAL, SG_INFO, "FG_ROOT = " << '"' << root << '"' << endl );
567 // Note: browser command is hard-coded for Mac/Windows, so this only affects other platforms
568 globals->set_browser(fgGetString("/sim/startup/browser-app", WEB_BROWSER));
569 fgSetString("/sim/startup/browser-app", globals->get_browser());
571 simgear::Dir cwd(simgear::Dir::current());
572 SGPropertyNode *curr = fgGetNode("/sim", true);
573 curr->removeChild("fg-current", 0, false);
574 curr = curr->getChild("fg-current", 0, true);
575 curr->setStringValue(cwd.path().str());
576 curr->setAttribute(SGPropertyNode::WRITE, false);
578 fgSetBool("/sim/startup/stdout-to-terminal", isatty(1) != 0 );
579 fgSetBool("/sim/startup/stderr-to-terminal", isatty(2) != 0 );
583 // Write various configuraton values out to the logs
584 void fgOutputSettings()
586 SG_LOG( SG_GENERAL, SG_INFO, "Configuration State" );
587 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
589 SG_LOG( SG_GENERAL, SG_INFO, "aircraft-dir = " << '"' << fgGetString("/sim/aircraft-dir") << '"' );
590 SG_LOG( SG_GENERAL, SG_INFO, "fghome-dir = " << '"' << globals->get_fg_home() << '"');
591 SG_LOG( SG_GENERAL, SG_INFO, "aircraft-dir = " << '"' << fgGetString("/sim/aircraft-dir") << '"');
593 SG_LOG( SG_GENERAL, SG_INFO, "aircraft-search-paths = \n\t" << simgear::strutils::join(globals->get_aircraft_paths(), "\n\t") );
594 SG_LOG( SG_GENERAL, SG_INFO, "scenery-search-paths = \n\t" << simgear::strutils::join(globals->get_fg_scenery(), "\n\t") );
597 // This is the top level init routine which calls all the other
598 // initialization routines. If you are adding a subsystem to flight
599 // gear, its initialization call should located in this routine.
600 // Returns non-zero if a problem encountered.
601 void fgCreateSubsystems() {
603 SG_LOG( SG_GENERAL, SG_INFO, "Creating Subsystems");
604 SG_LOG( SG_GENERAL, SG_INFO, "========== ==========");
606 ////////////////////////////////////////////////////////////////////
607 // Initialize the sound subsystem.
608 ////////////////////////////////////////////////////////////////////
609 // Sound manager uses an own subsystem group "SOUND" which is the last
610 // to be updated in every loop.
611 // Sound manager is updated last so it can use the CPU while the GPU
612 // is processing the scenery (doubled the frame-rate for me) -EMH-
613 globals->add_subsystem("sound", new FGSoundManager, SGSubsystemMgr::SOUND);
615 ////////////////////////////////////////////////////////////////////
616 // Initialize the event manager subsystem.
617 ////////////////////////////////////////////////////////////////////
619 globals->get_event_mgr()->init();
620 globals->get_event_mgr()->setRealtimeProperty(fgGetNode("/sim/time/delta-realtime-sec", true));
622 ////////////////////////////////////////////////////////////////////
623 // Initialize the property interpolator subsystem. Put into the INIT
624 // group because the "nasal" subsystem may need it at GENERAL take-down.
625 ////////////////////////////////////////////////////////////////////
626 FGInterpolator* interp = new FGInterpolator;
627 interp->setRealtimeProperty(fgGetNode("/sim/time/delta-realtime-sec", true));
628 globals->add_subsystem("prop-interpolator", interp, SGSubsystemMgr::INIT);
629 SGPropertyNode::setInterpolationMgr(interp);
631 ////////////////////////////////////////////////////////////////////
632 // Add the FlightGear property utilities.
633 ////////////////////////////////////////////////////////////////////
634 globals->add_subsystem("properties", new FGProperties);
637 ////////////////////////////////////////////////////////////////////
638 // Add the performance monitoring system.
639 ////////////////////////////////////////////////////////////////////
640 globals->add_subsystem("performance-mon",
641 new SGPerformanceMonitor(globals->get_subsystem_mgr(),
642 fgGetNode("/sim/performance-monitor", true)));
644 ////////////////////////////////////////////////////////////////////
645 // Initialize the material property subsystem.
646 ////////////////////////////////////////////////////////////////////
648 SGPath mpath( globals->get_fg_root() );
649 mpath.append( fgGetString("/sim/rendering/materials-file") );
650 if ( ! globals->get_matlib()->load(globals->get_fg_root(), mpath.str(),
651 globals->get_props()) ) {
652 SG_LOG( SG_GENERAL, SG_ALERT,
653 "Error loading materials file " << mpath.str() );
657 globals->add_subsystem( "http", new FGHTTPClient );
659 ////////////////////////////////////////////////////////////////////
660 // Initialize the scenery management subsystem.
661 ////////////////////////////////////////////////////////////////////
663 globals->get_scenery()->get_scene_graph()
664 ->addChild(simgear::Particles::getCommonRoot());
665 simgear::GlobalParticleCallback::setSwitch(fgGetNode("/sim/rendering/particles", true));
667 ////////////////////////////////////////////////////////////////////
668 // Initialize the flight model subsystem.
669 ////////////////////////////////////////////////////////////////////
671 globals->add_subsystem("flight", new FDMShell, SGSubsystemMgr::FDM);
673 ////////////////////////////////////////////////////////////////////
674 // Initialize the weather subsystem.
675 ////////////////////////////////////////////////////////////////////
677 // Initialize the weather modeling subsystem
678 globals->add_subsystem("environment", new FGEnvironmentMgr);
679 globals->add_subsystem("ephemeris", new Ephemeris);
681 ////////////////////////////////////////////////////////////////////
682 // Initialize the aircraft systems and instrumentation (before the
684 ////////////////////////////////////////////////////////////////////
686 globals->add_subsystem("systems", new FGSystemMgr, SGSubsystemMgr::FDM);
687 globals->add_subsystem("instrumentation", new FGInstrumentMgr, SGSubsystemMgr::FDM);
688 globals->add_subsystem("hud", new HUD, SGSubsystemMgr::DISPLAY);
689 globals->add_subsystem("cockpit-displays", new flightgear::CockpitDisplayManager, SGSubsystemMgr::DISPLAY);
691 ////////////////////////////////////////////////////////////////////
692 // Initialize the XML Autopilot subsystem.
693 ////////////////////////////////////////////////////////////////////
695 globals->add_subsystem( "xml-autopilot", FGXMLAutopilotGroup::createInstance("autopilot"), SGSubsystemMgr::FDM );
696 globals->add_subsystem( "xml-proprules", FGXMLAutopilotGroup::createInstance("property-rule"), SGSubsystemMgr::GENERAL );
697 globals->add_subsystem( "route-manager", new FGRouteMgr );
699 ////////////////////////////////////////////////////////////////////
700 // Initialize the Input-Output subsystem
701 ////////////////////////////////////////////////////////////////////
702 globals->add_subsystem( "io", new FGIO );
704 ////////////////////////////////////////////////////////////////////
705 // Create and register the logger.
706 ////////////////////////////////////////////////////////////////////
708 globals->add_subsystem("logger", new FGLogger);
710 ////////////////////////////////////////////////////////////////////
711 // Create and register the XML GUI.
712 ////////////////////////////////////////////////////////////////////
714 globals->add_subsystem("gui", new NewGUI, SGSubsystemMgr::INIT);
716 //////////////////////////////////////////////////////////////////////
717 // Initialize the 2D cloud subsystem.
718 ////////////////////////////////////////////////////////////////////
719 fgGetBool("/sim/rendering/bump-mapping", false);
721 ////////////////////////////////////////////////////////////////////
722 // Initialize the canvas 2d drawing subsystem.
723 ////////////////////////////////////////////////////////////////////
724 globals->add_subsystem("Canvas", new CanvasMgr, SGSubsystemMgr::DISPLAY);
725 globals->add_subsystem("CanvasGUI", new GUIMgr, SGSubsystemMgr::DISPLAY);
727 ////////////////////////////////////////////////////////////////////
728 // Initialise the ATIS Manager
729 // Note that this is old stuff, but is necessary for the
730 // current ATIS implementation. Therefore, leave it in here
731 // until the ATIS system is ported over to make use of the ATIS
732 // sub system infrastructure.
733 ////////////////////////////////////////////////////////////////////
735 globals->add_subsystem("ATIS", new FGATISMgr, SGSubsystemMgr::INIT, 0.4);
737 ////////////////////////////////////////////////////////////////////
738 // Initialize the ATC subsystem
739 ////////////////////////////////////////////////////////////////////
740 globals->add_subsystem("ATC", new FGATCManager, SGSubsystemMgr::POST_FDM);
742 ////////////////////////////////////////////////////////////////////
743 // Initialize multiplayer subsystem
744 ////////////////////////////////////////////////////////////////////
746 globals->add_subsystem("mp", new FGMultiplayMgr, SGSubsystemMgr::POST_FDM);
748 ////////////////////////////////////////////////////////////////////
749 // Initialise the AI Model Manager
750 ////////////////////////////////////////////////////////////////////
751 SG_LOG(SG_GENERAL, SG_INFO, " AI Model Manager");
752 globals->add_subsystem("ai-model", new FGAIManager, SGSubsystemMgr::POST_FDM);
753 globals->add_subsystem("submodel-mgr", new FGSubmodelMgr, SGSubsystemMgr::POST_FDM);
756 // It's probably a good idea to initialize the top level traffic manager
757 // After the AI and ATC systems have been initialized properly.
758 // AI Traffic manager
759 globals->add_subsystem("traffic-manager", new FGTrafficManager, SGSubsystemMgr::POST_FDM);
761 ////////////////////////////////////////////////////////////////////
762 // Add a new 2D panel.
763 ////////////////////////////////////////////////////////////////////
765 fgSetArchivable("/sim/panel/visibility");
766 fgSetArchivable("/sim/panel/x-offset");
767 fgSetArchivable("/sim/panel/y-offset");
768 fgSetArchivable("/sim/panel/jitter");
770 ////////////////////////////////////////////////////////////////////
771 // Initialize the controls subsystem.
772 ////////////////////////////////////////////////////////////////////
774 globals->add_subsystem("controls", new FGControls, SGSubsystemMgr::GENERAL);
776 ////////////////////////////////////////////////////////////////////
777 // Initialize the input subsystem.
778 ////////////////////////////////////////////////////////////////////
780 globals->add_subsystem("input", new FGInput, SGSubsystemMgr::GENERAL);
783 ////////////////////////////////////////////////////////////////////
784 // Initialize the replay subsystem
785 ////////////////////////////////////////////////////////////////////
786 globals->add_subsystem("replay", new FGReplay);
787 globals->add_subsystem("history", new FGFlightHistory);
789 #ifdef ENABLE_AUDIO_SUPPORT
790 ////////////////////////////////////////////////////////////////////
791 // Initialize the sound-effects subsystem.
792 ////////////////////////////////////////////////////////////////////
793 globals->add_subsystem("voice", new FGVoiceMgr, SGSubsystemMgr::DISPLAY);
796 ////////////////////////////////////////////////////////////////////
797 // Initialize the lighting subsystem.
798 ////////////////////////////////////////////////////////////////////
800 globals->add_subsystem("lighting", new FGLight, SGSubsystemMgr::DISPLAY);
802 // ordering here is important : Nasal (via events), then models, then views
803 globals->add_subsystem("events", globals->get_event_mgr(), SGSubsystemMgr::DISPLAY);
805 globals->add_subsystem("aircraft-model", new FGAircraftModel, SGSubsystemMgr::DISPLAY);
806 globals->add_subsystem("model-manager", new FGModelMgr, SGSubsystemMgr::DISPLAY);
808 globals->add_subsystem("view-manager", new FGViewMgr, SGSubsystemMgr::DISPLAY);
810 globals->add_subsystem("tile-manager", globals->get_tile_mgr(),
811 SGSubsystemMgr::DISPLAY);
814 void fgPostInitSubsystems()
819 ////////////////////////////////////////////////////////////////////////
820 // Initialize the Nasal interpreter.
821 // Do this last, so that the loaded scripts see initialized state
822 ////////////////////////////////////////////////////////////////////////
823 FGNasalSys* nasal = new FGNasalSys();
824 globals->add_subsystem("nasal", nasal, SGSubsystemMgr::INIT);
826 SG_LOG(SG_GENERAL, SG_INFO, "Nasal init took:" << st.elapsedMSec());
828 // Ensure IOrules and path validation are working properly by trying to
829 // access a folder/file which should never be accessible.
830 const char* no_access_path =
836 if( fgValidatePath(no_access_path, true) )
841 "Check your IOrules! (write to '" << no_access_path << "' is allowed)"
843 if( fgValidatePath(no_access_path, false) )
848 "Check your IOrules! (read from '" << no_access_path << "' is allowed)"
851 // initialize methods that depend on other subsystems.
853 globals->get_subsystem_mgr()->postinit();
854 SG_LOG(SG_GENERAL, SG_INFO, "Subsystems postinit took:" << st.elapsedMSec());
856 ////////////////////////////////////////////////////////////////////////
857 // End of subsystem initialization.
858 ////////////////////////////////////////////////////////////////////
860 fgSetBool("/sim/crashed", false);
861 fgSetBool("/sim/initialized", true);
863 SG_LOG( SG_GENERAL, SG_INFO, endl);
865 // Save the initial state for future
867 globals->saveInitialState();
870 // Reset: this is what the 'reset' command (and hence, GUI) is attached to
871 void fgReInitSubsystems()
873 SGPropertyNode *master_freeze = fgGetNode("/sim/freeze/master");
875 SG_LOG( SG_GENERAL, SG_INFO, "fgReInitSubsystems()");
877 // setup state to begin re-init
878 bool freeze = master_freeze->getBoolValue();
880 master_freeze->setBoolValue(true);
883 fgSetBool("/sim/signals/reinit", true);
884 fgSetBool("/sim/crashed", false);
886 // do actual re-init steps
887 globals->get_subsystem("flight")->unbind();
889 // reset control state, before restoring initial state; -set or config files
890 // may specify values for flaps, trim tabs, magnetos, etc
891 globals->get_controls()->reset_all();
893 globals->restoreInitialState();
895 // update our position based on current presets
896 // this will mark position as needed finalized which we'll do in the
898 flightgear::initPosition();
900 // Force reupdating the positions of the ai 3d models. They are used for
901 // initializing ground level for the FDM.
902 globals->get_subsystem("ai-model")->reinit();
904 // Initialize the FDM
905 globals->get_subsystem("flight")->reinit();
907 // reset replay buffers
908 globals->get_subsystem("replay")->reinit();
910 // reload offsets from config defaults
911 globals->get_viewmgr()->reinit();
913 // ugly: finalizePosition waits for METAR to arrive for the new airport.
914 // we don't re-init the environment manager here, since historically we did
915 // not, and doing so seems to have other issues. All that's needed is to
916 // schedule METAR fetch immediately, so it's available for finalizePosition.
917 // So we manually extract the METAR-fetching component inside the environment
918 // manager, and re-init that.
919 SGSubsystemGroup* envMgr = static_cast<SGSubsystemGroup*>(globals->get_subsystem("environment"));
921 envMgr->get_subsystem("realwx")->reinit();
924 globals->get_subsystem("time")->reinit();
926 // need to bind FDMshell again, since we manually unbound it above...
927 globals->get_subsystem("flight")->bind();
929 // need to reset aircraft (systems/instruments) so they can adapt to current environment
930 globals->get_subsystem("systems")->reinit();
931 globals->get_subsystem("instrumentation")->reinit();
933 globals->get_subsystem("ATIS")->reinit();
935 // setup state to end re-init
936 fgSetBool("/sim/signals/reinit", false);
938 master_freeze->setBoolValue(false);
940 fgSetBool("/sim/sceneryloaded",false);
944 ///////////////////////////////////////////////////////////////////////////////
945 // helper object to implement the --show-aircraft command.
946 // resides here so we can share the fgFindAircraftInDir template above,
947 // and hence ensure this command lists exectly the same aircraft as the normal
954 _minStatus = getNumMaturity(fgGetString("/sim/aircraft-min-status", "all"));
958 void show(const SGPath& path)
960 fgFindAircraftInDir(path, this, &ShowAircraft::processAircraft);
962 std::sort(_aircraft.begin(), _aircraft.end(), ciLessLibC());
963 SG_LOG( SG_GENERAL, SG_ALERT, "" ); // To popup the console on Windows
964 cout << "Available aircraft:" << endl;
965 for ( unsigned int i = 0; i < _aircraft.size(); i++ ) {
966 cout << _aircraft[i] << endl;
971 bool processAircraft(const SGPath& path)
975 readProperties(path.str(), &root);
976 } catch (sg_exception& ) {
982 descStr += path.file();
983 // trim common suffix from file names
984 int nPos = descStr.rfind("-set.xml");
985 if (nPos == (int)(descStr.size() - 8)) {
986 descStr.resize(nPos);
989 SGPropertyNode *node = root.getNode("sim");
991 SGPropertyNode* desc = node->getNode("description");
992 // if a status tag is found, read it in
993 if (node->hasValue("status")) {
994 maturity = getNumMaturity(node->getStringValue("status"));
998 if (descStr.size() <= 27+3) {
999 descStr.append(29+3-descStr.size(), ' ');
1002 descStr.append( 32, ' ');
1004 descStr += desc->getStringValue();
1006 } // of have 'sim' node
1008 if (maturity < _minStatus) {
1012 _aircraft.push_back(descStr);
1017 int getNumMaturity(const char * str)
1019 // changes should also be reflected in $FG_ROOT/data/options.xml &
1020 // $FG_ROOT/data/Translations/string-default.xml
1021 const char* levels[] = {"alpha","beta","early-production","production"};
1023 if (!strcmp(str, "all")) {
1027 for (size_t i=0; i<(sizeof(levels)/sizeof(levels[0]));i++)
1028 if (strcmp(str,levels[i])==0)
1034 // recommended in Meyers, Effective STL when internationalization and embedded
1035 // NULLs aren't an issue. Much faster than the STL or Boost lex versions.
1036 struct ciLessLibC : public std::binary_function<string, string, bool>
1038 bool operator()(const std::string &lhs, const std::string &rhs) const
1040 return strcasecmp(lhs.c_str(), rhs.c_str()) < 0 ? 1 : 0;
1045 string_list _aircraft;
1048 void fgShowAircraft(const SGPath &path)
1054 cout << "Hit a key to continue..." << endl;