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.
28 #include <simgear/compiler.h>
32 #include <string.h> // strcmp()
34 #if defined(SG_WINDOWS)
35 # include <io.h> // isatty()
36 # include <process.h> // _getpid()
38 # define isatty _isatty
40 // for open() and options
41 # include <sys/types.h>
42 # include <sys/stat.h>
47 #include <boost/algorithm/string/compare.hpp>
48 #include <boost/algorithm/string/predicate.hpp>
50 #include <simgear/constants.h>
51 #include <simgear/debug/logstream.hxx>
52 #include <simgear/structure/exception.hxx>
53 #include <simgear/structure/event_mgr.hxx>
54 #include <simgear/structure/SGPerfMon.hxx>
55 #include <simgear/misc/sg_path.hxx>
56 #include <simgear/misc/sg_dir.hxx>
57 #include <simgear/misc/sgstream.hxx>
58 #include <simgear/misc/strutils.hxx>
59 #include <simgear/props/props_io.hxx>
61 #include <simgear/scene/material/matlib.hxx>
62 #include <simgear/scene/model/particles.hxx>
63 #include <simgear/scene/tsync/terrasync.hxx>
65 #include <Aircraft/controls.hxx>
66 #include <Aircraft/replay.hxx>
67 #include <Aircraft/FlightHistory.hxx>
68 #include <Airports/runways.hxx>
69 #include <Airports/airport.hxx>
70 #include <Airports/dynamics.hxx>
72 #include <AIModel/AIManager.hxx>
74 #include <ATCDCL/ATISmgr.hxx>
75 #include <ATC/atc_mgr.hxx>
77 #include <Autopilot/route_mgr.hxx>
78 #include <Autopilot/autopilotgroup.hxx>
80 #include <Cockpit/panel.hxx>
81 #include <Cockpit/panel_io.hxx>
83 #include <Canvas/canvas_mgr.hxx>
84 #include <Canvas/gui_mgr.hxx>
85 #include <GUI/new_gui.hxx>
86 #include <GUI/MessageBox.hxx>
87 #include <Input/input.hxx>
88 #include <Instrumentation/instrument_mgr.hxx>
89 #include <Model/acmodel.hxx>
90 #include <Model/modelmgr.hxx>
91 #include <AIModel/submodel.hxx>
92 #include <AIModel/AIManager.hxx>
93 #include <Navaids/navdb.hxx>
94 #include <Navaids/navlist.hxx>
95 #include <Scenery/scenery.hxx>
96 #include <Scenery/tilemgr.hxx>
97 #include <Scripting/NasalSys.hxx>
98 #include <Sound/voice.hxx>
99 #include <Sound/soundmanager.hxx>
100 #include <Systems/system_mgr.hxx>
101 #include <Time/light.hxx>
102 #include <Traffic/TrafficMgr.hxx>
103 #include <MultiPlayer/multiplaymgr.hxx>
104 #include <FDM/fdm_shell.hxx>
105 #include <Environment/ephemeris.hxx>
106 #include <Environment/environment_mgr.hxx>
107 #include <Viewer/renderer.hxx>
108 #include <Viewer/viewmgr.hxx>
109 #include <Navaids/NavDataCache.hxx>
110 #include <Instrumentation/HUD/HUD.hxx>
111 #include <Cockpit/cockpitDisplayManager.hxx>
112 #include <Network/HTTPClient.hxx>
113 #include <Network/fgcom.hxx>
115 #include "fg_init.hxx"
117 #include "fg_commands.hxx"
118 #include "fg_props.hxx"
119 #include "FGInterpolator.hxx"
120 #include "options.hxx"
121 #include "globals.hxx"
122 #include "logger.hxx"
124 #include "positioninit.hxx"
131 using namespace boost::algorithm;
134 // Return the current base package version
135 string fgBasePackageVersion() {
136 SGPath base_path( globals->get_fg_root() );
137 base_path.append("version");
138 if (!base_path.exists()) {
142 sg_gzifstream in( base_path.str() );
155 bool fgFindAircraftInDir(const SGPath& dirPath, T* obj, bool (T::*pred)(const SGPath& p))
157 if (!dirPath.exists()) {
158 SG_LOG(SG_GENERAL, SG_WARN, "fgFindAircraftInDir: no such path:" << dirPath.str());
163 simgear::Dir dir(dirPath);
164 simgear::PathList setFiles(dir.children(simgear::Dir::TYPE_FILE, "-set.xml"));
165 simgear::PathList::iterator p;
166 for (p = setFiles.begin(); p != setFiles.end(); ++p) {
167 // check file name ends with -set.xml
169 // if we found a -set.xml at this level, don't recurse any deeper
172 bool done = (obj->*pred)(*p);
176 } // of -set.xml iteration
182 simgear::PathList subdirs(dir.children(simgear::Dir::TYPE_DIR | simgear::Dir::NO_DOT_OR_DOTDOT));
183 for (p = subdirs.begin(); p != subdirs.end(); ++p) {
184 if (p->file() == "CVS") {
188 if (fgFindAircraftInDir(*p, obj, pred)) {
191 } // of subdirs iteration
197 void fgFindAircraft(T* obj, bool (T::*pred)(const SGPath& p))
199 const string_list& paths(globals->get_aircraft_paths());
200 string_list::const_iterator it = paths.begin();
201 for (; it != paths.end(); ++it) {
202 bool done = fgFindAircraftInDir(SGPath(*it), obj, pred);
206 } // of aircraft paths iteration
208 // if we reach this point, search the default location (always last)
209 SGPath rootAircraft(globals->get_fg_root());
210 rootAircraft.append("Aircraft");
211 fgFindAircraftInDir(rootAircraft, obj, pred);
214 class FindAndCacheAircraft
217 FindAndCacheAircraft(SGPropertyNode* autoSave)
219 _cache = autoSave->getNode("sim/startup/path-cache", true);
224 std::string aircraft = fgGetString( "/sim/aircraft", "");
225 if (aircraft.empty()) {
226 flightgear::fatalMessageBox("No aircraft", "No aircraft was specified");
227 SG_LOG(SG_GENERAL, SG_ALERT, "no aircraft specified");
231 _searchAircraft = aircraft + "-set.xml";
232 std::string aircraftDir = fgGetString("/sim/aircraft-dir", "");
233 if (!aircraftDir.empty()) {
234 // aircraft-dir was set, skip any searching at all, if it's valid
235 simgear::Dir acPath(aircraftDir);
236 SGPath setFile = acPath.file(_searchAircraft);
237 if (setFile.exists()) {
238 SG_LOG(SG_GENERAL, SG_INFO, "found aircraft in dir: " << aircraftDir );
241 readProperties(setFile.str(), globals->get_props());
242 } catch ( const sg_exception &e ) {
243 SG_LOG(SG_INPUT, SG_ALERT, "Error reading aircraft: " << e.getFormattedMessage());
244 flightgear::fatalMessageBox("Error reading aircraft",
245 "An error occured reading the requested aircraft (" + aircraft + ")",
246 e.getFormattedMessage());
252 SG_LOG(SG_GENERAL, SG_ALERT, "aircraft '" << _searchAircraft <<
253 "' not found in specified dir:" << aircraftDir);
254 flightgear::fatalMessageBox("Aircraft not found",
255 "The requested aircraft '" + aircraft + "' could not be found in the specified location.",
262 // prepare cache for re-scan
263 SGPropertyNode *n = _cache->getNode("fg-root", true);
264 n->setStringValue(globals->get_fg_root().c_str());
265 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
266 n = _cache->getNode("fg-aircraft", true);
267 n->setStringValue(getAircraftPaths().c_str());
268 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
269 _cache->removeChildren("aircraft");
271 fgFindAircraft(this, &FindAndCacheAircraft::checkAircraft);
274 if (_foundPath.str().empty()) {
275 SG_LOG(SG_GENERAL, SG_ALERT, "Cannot find specified aircraft: " << aircraft );
276 flightgear::fatalMessageBox("Aircraft not found",
277 "The requested aircraft '" + aircraft + "' could not be found in any of the search paths");
282 SG_LOG(SG_GENERAL, SG_INFO, "Loading aircraft -set file from:" << _foundPath.str());
283 fgSetString( "/sim/aircraft-dir", _foundPath.dir().c_str());
284 if (!_foundPath.exists()) {
285 SG_LOG(SG_GENERAL, SG_ALERT, "Unable to find -set file:" << _foundPath.str());
290 readProperties(_foundPath.str(), globals->get_props());
291 } catch ( const sg_exception &e ) {
292 SG_LOG(SG_INPUT, SG_ALERT, "Error reading aircraft: " << e.getFormattedMessage());
293 flightgear::fatalMessageBox("Error reading aircraft",
294 "An error occured reading the requested aircraft (" + aircraft + ")",
295 e.getFormattedMessage());
303 SGPath getAircraftPaths() {
304 string_list pathList = globals->get_aircraft_paths();
305 SGPath aircraftPaths;
306 string_list::const_iterator it = pathList.begin();
307 if (it != pathList.end()) {
308 aircraftPaths.set(*it);
311 for (; it != pathList.end(); ++it) {
312 aircraftPaths.add(*it);
314 return aircraftPaths;
319 if (globals->get_fg_root() != _cache->getStringValue("fg-root", "")) {
320 return false; // cache mismatch
323 if (getAircraftPaths().str() != _cache->getStringValue("fg-aircraft", "")) {
324 return false; // cache mismatch
327 vector<SGPropertyNode_ptr> cache = _cache->getChildren("aircraft");
328 for (unsigned int i = 0; i < cache.size(); i++) {
329 const char *name = cache[i]->getStringValue("file", "");
330 if (!boost::equals(_searchAircraft, name, is_iequal())) {
334 SGPath xml(cache[i]->getStringValue("path", ""));
342 } // of aircraft in cache iteration
347 bool checkAircraft(const SGPath& p)
352 if (!_cache->getChild("aircraft", i++, false))
356 SGPropertyNode *n, *entry = _cache->getChild("aircraft", --i, true);
358 std::string fileName(p.file());
359 n = entry->getNode("file", true);
360 n->setStringValue(fileName);
361 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
363 n = entry->getNode("path", true);
364 n->setStringValue(p.dir());
365 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
367 if ( boost::equals(fileName, _searchAircraft.c_str(), is_iequal()) ) {
375 std::string _searchAircraft;
377 SGPropertyNode* _cache;
381 static SGPath platformDefaultDataPath()
383 char *envp = ::getenv( "APPDATA" );
384 SGPath config( envp );
385 config.append( "flightgear.org" );
390 #include <CoreServices/CoreServices.h>
392 static SGPath platformDefaultDataPath()
395 OSErr err = FSFindFolder(kUserDomain, kApplicationSupportFolderType, false, &ref);
400 unsigned char path[1024];
401 if (FSRefMakePath(&ref, path, 1024) != noErr) {
406 appData.set((const char*) path);
407 appData.append("FlightGear");
411 static SGPath platformDefaultDataPath()
413 return SGPath::home() / ".fgfs";
419 SGPath dataPath = SGPath::fromEnv("FG_HOME", platformDefaultDataPath());
420 globals->set_fg_home(dataPath.c_str());
422 simgear::Dir fgHome(dataPath);
423 if (!fgHome.exists()) {
427 if (!fgHome.exists()) {
428 flightgear::fatalMessageBox("Problem setting up user data",
429 "Unable to create the user-data storage folder at: '"
430 + dataPath.str() + "'");
434 if (fgGetBool("/sim/fghome-readonly", false)) {
435 // user / config forced us into readonly mode, fine
436 SG_LOG(SG_GENERAL, SG_INFO, "Running with FG_HOME readonly");
440 // write our PID, and check writeability
441 SGPath pidPath(dataPath, "fgfs.pid");
442 if (pidPath.exists()) {
443 SG_LOG(SG_GENERAL, SG_INFO, "flightgear instance already running, switching to FG_HOME read-only.");
444 // set a marker property so terrasync/navcache don't try to write
445 // from secondary instances
446 fgSetBool("/sim/fghome-readonly", true);
452 #if defined(SG_WINDOWS)
453 size_t len = snprintf(buf, 16, "%d", _getpid());
455 HANDLE f = CreateFileA(pidPath.c_str(), GENERIC_READ | GENERIC_WRITE,
456 FILE_SHARE_READ, /* sharing */
457 NULL, /* security attributes */
458 CREATE_NEW, /* error if already exists */
459 FILE_FLAG_DELETE_ON_CLOSE,
460 NULL /* template */);
462 result = (f != INVALID_HANDLE_VALUE);
465 WriteFile(f, buf, len, &written, NULL /* overlapped */);
468 // POSIX, do open+unlink trick to the file is deleted on exit, even if we
470 size_t len = snprintf(buf, 16, "%d", getpid());
471 int fd = ::open(pidPath.c_str(), O_WRONLY | O_CREAT | O_TRUNC | O_EXCL, 0644);
473 ::write(fd, buf, len);
474 ::unlink(pidPath.c_str()); // delete file when app quits
478 fgSetBool("/sim/fghome-readonly", false);
481 flightgear::fatalMessageBox("File permissions problem",
482 "Can't write to user-data storage folder, check file permissions and FG_HOME.",
483 "User-data at:" + dataPath.str());
488 // Read in configuration (file and command line)
489 int fgInitConfig ( int argc, char **argv )
491 SGPath dataPath = globals->get_fg_home();
493 simgear::Dir exportDir(simgear::Dir(dataPath).file("Export"));
494 if (!exportDir.exists()) {
495 exportDir.create(0777);
498 // Set /sim/fg-home and don't allow malign code to override it until
499 // Nasal security is set up. Use FG_HOME if necessary.
500 SGPropertyNode *home = fgGetNode("/sim", true);
501 home->removeChild("fg-home", 0, false);
502 home = home->getChild("fg-home", 0, true);
503 home->setStringValue(dataPath.c_str());
504 home->setAttribute(SGPropertyNode::WRITE, false);
506 flightgear::Options* options = flightgear::Options::sharedInstance();
507 options->init(argc, argv, dataPath);
508 bool loadDefaults = flightgear::Options::sharedInstance()->shouldLoadDefaultConfig();
510 // Read global preferences from $FG_ROOT/preferences.xml
511 SG_LOG(SG_INPUT, SG_INFO, "Reading global preferences");
512 fgLoadProps("preferences.xml", globals->get_props());
513 SG_LOG(SG_INPUT, SG_INFO, "Finished Reading global preferences");
515 // do not load user settings when reset to default is requested, or if
516 // told to explicitly ignore
517 if (options->isOptionSet("restore-defaults") || options->isOptionSet("ignore-autosave"))
519 SG_LOG(SG_ALL, SG_ALERT, "Ignoring user settings. Restoring defaults.");
523 globals->loadUserSettings(dataPath);
526 SG_LOG(SG_GENERAL, SG_INFO, "not reading default configuration files");
527 }// of no-default-config selected
529 // Scan user config files and command line for a specified aircraft.
530 options->initAircraft();
532 FindAndCacheAircraft f(globals->get_props());
533 if (!f.loadAircraft()) {
534 return flightgear::FG_OPTIONS_ERROR;
537 // parse options after loading aircraft to ensure any user
538 // overrides of defaults are honored.
539 return options->processOptions();
545 * Initialize vor/ndb/ils/fix list management and query systems (as
546 * well as simple airport db list)
547 * This is called multiple times in the case of a cache rebuild,
548 * to allow lengthy caching to take place in the background, without
549 * blocking the main/UI thread.
554 flightgear::NavDataCache* cache = flightgear::NavDataCache::instance();
555 static bool doingRebuild = false;
556 if (doingRebuild || cache->isRebuildRequired()) {
558 bool finished = cache->rebuild();
560 // sleep to give the rebuild thread more time
561 SGTimeStamp::sleepForMSec(50);
566 FGTACANList *channellist = new FGTACANList;
567 globals->set_channellist( channellist );
569 SGPath path(globals->get_fg_root());
570 path.append( "Navaids/TACAN_freq.dat" );
571 flightgear::loadTacan(path, channellist);
576 // General house keeping initializations
577 bool fgInitGeneral() {
580 SG_LOG( SG_GENERAL, SG_INFO, "General Initialization" );
581 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
583 root = globals->get_fg_root();
584 if ( ! root.length() ) {
585 // No root path set? Then bail ...
586 SG_LOG( SG_GENERAL, SG_ALERT,
587 "Cannot continue without a path to the base package "
588 << "being defined." );
591 SG_LOG( SG_GENERAL, SG_INFO, "FG_ROOT = " << '"' << root << '"' << endl );
593 // Note: browser command is hard-coded for Mac/Windows, so this only affects other platforms
594 globals->set_browser(fgGetString("/sim/startup/browser-app", WEB_BROWSER));
595 fgSetString("/sim/startup/browser-app", globals->get_browser());
597 simgear::Dir cwd(simgear::Dir::current());
598 SGPropertyNode *curr = fgGetNode("/sim", true);
599 curr->removeChild("fg-current", 0, false);
600 curr = curr->getChild("fg-current", 0, true);
601 curr->setStringValue(cwd.path().str());
602 curr->setAttribute(SGPropertyNode::WRITE, false);
604 fgSetBool("/sim/startup/stdout-to-terminal", isatty(1) != 0 );
605 fgSetBool("/sim/startup/stderr-to-terminal", isatty(2) != 0 );
609 // Write various configuraton values out to the logs
610 void fgOutputSettings()
612 SG_LOG( SG_GENERAL, SG_INFO, "Configuration State" );
613 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
615 SG_LOG( SG_GENERAL, SG_INFO, "aircraft-dir = " << '"' << fgGetString("/sim/aircraft-dir") << '"' );
616 SG_LOG( SG_GENERAL, SG_INFO, "fghome-dir = " << '"' << globals->get_fg_home() << '"');
617 SG_LOG( SG_GENERAL, SG_INFO, "aircraft-dir = " << '"' << fgGetString("/sim/aircraft-dir") << '"');
619 SG_LOG( SG_GENERAL, SG_INFO, "aircraft-search-paths = \n\t" << simgear::strutils::join(globals->get_aircraft_paths(), "\n\t") );
620 SG_LOG( SG_GENERAL, SG_INFO, "scenery-search-paths = \n\t" << simgear::strutils::join(globals->get_fg_scenery(), "\n\t") );
623 // This is the top level init routine which calls all the other
624 // initialization routines. If you are adding a subsystem to flight
625 // gear, its initialization call should located in this routine.
626 // Returns non-zero if a problem encountered.
627 void fgCreateSubsystems() {
629 SG_LOG( SG_GENERAL, SG_INFO, "Creating Subsystems");
630 SG_LOG( SG_GENERAL, SG_INFO, "========== ==========");
632 ////////////////////////////////////////////////////////////////////
633 // Initialize the sound subsystem.
634 ////////////////////////////////////////////////////////////////////
635 // Sound manager uses an own subsystem group "SOUND" which is the last
636 // to be updated in every loop.
637 // Sound manager is updated last so it can use the CPU while the GPU
638 // is processing the scenery (doubled the frame-rate for me) -EMH-
639 globals->add_subsystem("sound", new FGSoundManager, SGSubsystemMgr::SOUND);
641 ////////////////////////////////////////////////////////////////////
642 // Initialize the event manager subsystem.
643 ////////////////////////////////////////////////////////////////////
645 globals->get_event_mgr()->init();
646 globals->get_event_mgr()->setRealtimeProperty(fgGetNode("/sim/time/delta-realtime-sec", true));
648 ////////////////////////////////////////////////////////////////////
649 // Initialize the property interpolator subsystem. Put into the INIT
650 // group because the "nasal" subsystem may need it at GENERAL take-down.
651 ////////////////////////////////////////////////////////////////////
652 FGInterpolator* interp = new FGInterpolator;
653 interp->setRealtimeProperty(fgGetNode("/sim/time/delta-realtime-sec", true));
654 globals->add_subsystem("prop-interpolator", interp, SGSubsystemMgr::INIT);
655 SGPropertyNode::setInterpolationMgr(interp);
657 ////////////////////////////////////////////////////////////////////
658 // Add the FlightGear property utilities.
659 ////////////////////////////////////////////////////////////////////
660 globals->add_subsystem("properties", new FGProperties);
663 ////////////////////////////////////////////////////////////////////
664 // Add the performance monitoring system.
665 ////////////////////////////////////////////////////////////////////
666 globals->add_subsystem("performance-mon",
667 new SGPerformanceMonitor(globals->get_subsystem_mgr(),
668 fgGetNode("/sim/performance-monitor", true)));
670 ////////////////////////////////////////////////////////////////////
671 // Initialize the material property subsystem.
672 ////////////////////////////////////////////////////////////////////
674 SGPath mpath( globals->get_fg_root() );
675 mpath.append( fgGetString("/sim/rendering/materials-file") );
676 if ( ! globals->get_matlib()->load(globals->get_fg_root(), mpath.str(),
677 globals->get_props()) ) {
678 throw sg_io_exception("Error loading materials file", mpath);
681 globals->add_subsystem( "http", new FGHTTPClient );
683 ////////////////////////////////////////////////////////////////////
684 // Initialize the scenery management subsystem.
685 ////////////////////////////////////////////////////////////////////
687 globals->get_scenery()->get_scene_graph()
688 ->addChild(simgear::Particles::getCommonRoot());
689 simgear::GlobalParticleCallback::setSwitch(fgGetNode("/sim/rendering/particles", true));
691 ////////////////////////////////////////////////////////////////////
692 // Initialize the flight model subsystem.
693 ////////////////////////////////////////////////////////////////////
695 globals->add_subsystem("flight", new FDMShell, SGSubsystemMgr::FDM);
697 ////////////////////////////////////////////////////////////////////
698 // Initialize the weather subsystem.
699 ////////////////////////////////////////////////////////////////////
701 // Initialize the weather modeling subsystem
702 globals->add_subsystem("environment", new FGEnvironmentMgr);
703 globals->add_subsystem("ephemeris", new Ephemeris);
705 ////////////////////////////////////////////////////////////////////
706 // Initialize the aircraft systems and instrumentation (before the
708 ////////////////////////////////////////////////////////////////////
710 globals->add_subsystem("systems", new FGSystemMgr, SGSubsystemMgr::FDM);
711 globals->add_subsystem("instrumentation", new FGInstrumentMgr, SGSubsystemMgr::FDM);
712 globals->add_subsystem("hud", new HUD, SGSubsystemMgr::DISPLAY);
713 globals->add_subsystem("cockpit-displays", new flightgear::CockpitDisplayManager, SGSubsystemMgr::DISPLAY);
715 ////////////////////////////////////////////////////////////////////
716 // Initialize the XML Autopilot subsystem.
717 ////////////////////////////////////////////////////////////////////
719 globals->add_subsystem( "xml-autopilot", FGXMLAutopilotGroup::createInstance("autopilot"), SGSubsystemMgr::FDM );
720 globals->add_subsystem( "xml-proprules", FGXMLAutopilotGroup::createInstance("property-rule"), SGSubsystemMgr::GENERAL );
721 globals->add_subsystem( "route-manager", new FGRouteMgr );
723 ////////////////////////////////////////////////////////////////////
724 // Initialize the Input-Output subsystem
725 ////////////////////////////////////////////////////////////////////
726 globals->add_subsystem( "io", new FGIO );
728 ////////////////////////////////////////////////////////////////////
729 // Create and register the logger.
730 ////////////////////////////////////////////////////////////////////
732 globals->add_subsystem("logger", new FGLogger);
734 ////////////////////////////////////////////////////////////////////
735 // Create and register the XML GUI.
736 ////////////////////////////////////////////////////////////////////
738 globals->add_subsystem("gui", new NewGUI, SGSubsystemMgr::INIT);
740 //////////////////////////////////////////////////////////////////////
741 // Initialize the 2D cloud subsystem.
742 ////////////////////////////////////////////////////////////////////
743 fgGetBool("/sim/rendering/bump-mapping", false);
745 ////////////////////////////////////////////////////////////////////
746 // Initialize the canvas 2d drawing subsystem.
747 ////////////////////////////////////////////////////////////////////
748 globals->add_subsystem("Canvas", new CanvasMgr, SGSubsystemMgr::DISPLAY);
749 globals->add_subsystem("CanvasGUI", new GUIMgr, SGSubsystemMgr::DISPLAY);
751 ////////////////////////////////////////////////////////////////////
752 // Initialise the ATIS Manager
753 // Note that this is old stuff, but is necessary for the
754 // current ATIS implementation. Therefore, leave it in here
755 // until the ATIS system is ported over to make use of the ATIS
756 // sub system infrastructure.
757 ////////////////////////////////////////////////////////////////////
759 globals->add_subsystem("ATIS", new FGATISMgr, SGSubsystemMgr::INIT, 0.4);
761 ////////////////////////////////////////////////////////////////////
762 // Initialize the ATC subsystem
763 ////////////////////////////////////////////////////////////////////
764 globals->add_subsystem("ATC", new FGATCManager, SGSubsystemMgr::POST_FDM);
766 ////////////////////////////////////////////////////////////////////
767 // Initialize multiplayer subsystem
768 ////////////////////////////////////////////////////////////////////
770 globals->add_subsystem("mp", new FGMultiplayMgr, SGSubsystemMgr::POST_FDM);
772 ////////////////////////////////////////////////////////////////////
773 // Initialise the AI Model Manager
774 ////////////////////////////////////////////////////////////////////
775 SG_LOG(SG_GENERAL, SG_INFO, " AI Model Manager");
776 globals->add_subsystem("ai-model", new FGAIManager, SGSubsystemMgr::POST_FDM);
777 globals->add_subsystem("submodel-mgr", new FGSubmodelMgr, SGSubsystemMgr::POST_FDM);
780 // It's probably a good idea to initialize the top level traffic manager
781 // After the AI and ATC systems have been initialized properly.
782 // AI Traffic manager
783 globals->add_subsystem("traffic-manager", new FGTrafficManager, SGSubsystemMgr::POST_FDM);
785 ////////////////////////////////////////////////////////////////////
786 // Add a new 2D panel.
787 ////////////////////////////////////////////////////////////////////
789 fgSetArchivable("/sim/panel/visibility");
790 fgSetArchivable("/sim/panel/x-offset");
791 fgSetArchivable("/sim/panel/y-offset");
792 fgSetArchivable("/sim/panel/jitter");
794 ////////////////////////////////////////////////////////////////////
795 // Initialize the controls subsystem.
796 ////////////////////////////////////////////////////////////////////
798 globals->add_subsystem("controls", new FGControls, SGSubsystemMgr::GENERAL);
800 ////////////////////////////////////////////////////////////////////
801 // Initialize the input subsystem.
802 ////////////////////////////////////////////////////////////////////
804 globals->add_subsystem("input", new FGInput, SGSubsystemMgr::GENERAL);
807 ////////////////////////////////////////////////////////////////////
808 // Initialize the replay subsystem
809 ////////////////////////////////////////////////////////////////////
810 globals->add_subsystem("replay", new FGReplay);
811 globals->add_subsystem("history", new FGFlightHistory);
813 #ifdef ENABLE_AUDIO_SUPPORT
814 ////////////////////////////////////////////////////////////////////
815 // Initialize the sound-effects subsystem.
816 ////////////////////////////////////////////////////////////////////
817 globals->add_subsystem("voice", new FGVoiceMgr, SGSubsystemMgr::DISPLAY);
821 ////////////////////////////////////////////////////////////////////
822 // Initialize the FGCom subsystem.
823 ////////////////////////////////////////////////////////////////////
824 globals->add_subsystem("fgcom", new FGCom);
827 ////////////////////////////////////////////////////////////////////
828 // Initialize the lighting subsystem.
829 ////////////////////////////////////////////////////////////////////
831 globals->add_subsystem("lighting", new FGLight, SGSubsystemMgr::DISPLAY);
833 // ordering here is important : Nasal (via events), then models, then views
834 globals->add_subsystem("events", globals->get_event_mgr(), SGSubsystemMgr::DISPLAY);
836 globals->add_subsystem("aircraft-model", new FGAircraftModel, SGSubsystemMgr::DISPLAY);
837 globals->add_subsystem("model-manager", new FGModelMgr, SGSubsystemMgr::DISPLAY);
839 globals->add_subsystem("view-manager", new FGViewMgr, SGSubsystemMgr::DISPLAY);
841 globals->add_subsystem("tile-manager", globals->get_tile_mgr(),
842 SGSubsystemMgr::DISPLAY);
845 void fgPostInitSubsystems()
850 ////////////////////////////////////////////////////////////////////////
851 // Initialize the Nasal interpreter.
852 // Do this last, so that the loaded scripts see initialized state
853 ////////////////////////////////////////////////////////////////////////
854 FGNasalSys* nasal = new FGNasalSys();
855 globals->add_subsystem("nasal", nasal, SGSubsystemMgr::INIT);
857 SG_LOG(SG_GENERAL, SG_INFO, "Nasal init took:" << st.elapsedMSec());
859 // Ensure IOrules and path validation are working properly by trying to
860 // access a folder/file which should never be accessible.
861 const char* no_access_path =
867 if( fgValidatePath(no_access_path, true) )
872 "Check your IOrules! (write to '" << no_access_path << "' is allowed)"
874 if( fgValidatePath(no_access_path, false) )
879 "Check your IOrules! (read from '" << no_access_path << "' is allowed)"
882 // initialize methods that depend on other subsystems.
884 globals->get_subsystem_mgr()->postinit();
885 SG_LOG(SG_GENERAL, SG_INFO, "Subsystems postinit took:" << st.elapsedMSec());
887 ////////////////////////////////////////////////////////////////////////
888 // End of subsystem initialization.
889 ////////////////////////////////////////////////////////////////////
891 fgSetBool("/sim/crashed", false);
892 fgSetBool("/sim/initialized", true);
894 SG_LOG( SG_GENERAL, SG_INFO, endl);
896 // Save the initial state for future
898 globals->saveInitialState();
901 // Reset: this is what the 'reset' command (and hence, GUI) is attached to
902 void fgReInitSubsystems()
904 SGPropertyNode *master_freeze = fgGetNode("/sim/freeze/master");
906 SG_LOG( SG_GENERAL, SG_INFO, "fgReInitSubsystems()");
908 // setup state to begin re-init
909 bool freeze = master_freeze->getBoolValue();
911 master_freeze->setBoolValue(true);
914 fgSetBool("/sim/signals/reinit", true);
915 fgSetBool("/sim/crashed", false);
917 // do actual re-init steps
918 globals->get_subsystem("flight")->unbind();
920 // reset control state, before restoring initial state; -set or config files
921 // may specify values for flaps, trim tabs, magnetos, etc
922 globals->get_controls()->reset_all();
924 globals->restoreInitialState();
926 // update our position based on current presets
927 // this will mark position as needed finalized which we'll do in the
929 flightgear::initPosition();
931 simgear::SGTerraSync* terraSync =
932 static_cast<simgear::SGTerraSync*>(globals->get_subsystem("terrasync"));
934 terraSync->reposition();
937 // Force reupdating the positions of the ai 3d models. They are used for
938 // initializing ground level for the FDM.
939 globals->get_subsystem("ai-model")->reinit();
941 // Initialize the FDM
942 globals->get_subsystem("flight")->reinit();
944 // reset replay buffers
945 globals->get_subsystem("replay")->reinit();
947 // reload offsets from config defaults
948 globals->get_viewmgr()->reinit();
950 // ugly: finalizePosition waits for METAR to arrive for the new airport.
951 // we don't re-init the environment manager here, since historically we did
952 // not, and doing so seems to have other issues. All that's needed is to
953 // schedule METAR fetch immediately, so it's available for finalizePosition.
954 // So we manually extract the METAR-fetching component inside the environment
955 // manager, and re-init that.
956 SGSubsystemGroup* envMgr = static_cast<SGSubsystemGroup*>(globals->get_subsystem("environment"));
958 envMgr->get_subsystem("realwx")->reinit();
961 globals->get_subsystem("time")->reinit();
963 // need to bind FDMshell again, since we manually unbound it above...
964 globals->get_subsystem("flight")->bind();
966 // need to reset aircraft (systems/instruments) so they can adapt to current environment
967 globals->get_subsystem("systems")->reinit();
968 globals->get_subsystem("instrumentation")->reinit();
970 globals->get_subsystem("ATIS")->reinit();
972 // setup state to end re-init
973 fgSetBool("/sim/signals/reinit", false);
975 master_freeze->setBoolValue(false);
977 fgSetBool("/sim/sceneryloaded",false);
981 ///////////////////////////////////////////////////////////////////////////////
982 // helper object to implement the --show-aircraft command.
983 // resides here so we can share the fgFindAircraftInDir template above,
984 // and hence ensure this command lists exectly the same aircraft as the normal
991 _minStatus = getNumMaturity(fgGetString("/sim/aircraft-min-status", "all"));
995 void show(const SGPath& path)
997 fgFindAircraftInDir(path, this, &ShowAircraft::processAircraft);
999 simgear::requestConsole(); // ensure console is shown on Windows
1001 std::sort(_aircraft.begin(), _aircraft.end(), ciLessLibC());
1002 cout << "Available aircraft:" << endl;
1003 for ( unsigned int i = 0; i < _aircraft.size(); i++ ) {
1004 cout << _aircraft[i] << endl;
1009 bool processAircraft(const SGPath& path)
1011 SGPropertyNode root;
1013 readProperties(path.str(), &root);
1014 } catch (sg_exception& ) {
1019 string descStr(" ");
1020 descStr += path.file();
1021 // trim common suffix from file names
1022 int nPos = descStr.rfind("-set.xml");
1023 if (nPos == (int)(descStr.size() - 8)) {
1024 descStr.resize(nPos);
1027 SGPropertyNode *node = root.getNode("sim");
1029 SGPropertyNode* desc = node->getNode("description");
1030 // if a status tag is found, read it in
1031 if (node->hasValue("status")) {
1032 maturity = getNumMaturity(node->getStringValue("status"));
1036 if (descStr.size() <= 27+3) {
1037 descStr.append(29+3-descStr.size(), ' ');
1040 descStr.append( 32, ' ');
1042 descStr += desc->getStringValue();
1044 } // of have 'sim' node
1046 if (maturity < _minStatus) {
1050 _aircraft.push_back(descStr);
1055 int getNumMaturity(const char * str)
1057 // changes should also be reflected in $FG_ROOT/data/options.xml &
1058 // $FG_ROOT/data/Translations/string-default.xml
1059 const char* levels[] = {"alpha","beta","early-production","production"};
1061 if (!strcmp(str, "all")) {
1065 for (size_t i=0; i<(sizeof(levels)/sizeof(levels[0]));i++)
1066 if (strcmp(str,levels[i])==0)
1072 // recommended in Meyers, Effective STL when internationalization and embedded
1073 // NULLs aren't an issue. Much faster than the STL or Boost lex versions.
1074 struct ciLessLibC : public std::binary_function<string, string, bool>
1076 bool operator()(const std::string &lhs, const std::string &rhs) const
1078 return strcasecmp(lhs.c_str(), rhs.c_str()) < 0 ? 1 : 0;
1083 string_list _aircraft;
1086 void fgShowAircraft(const SGPath &path)
1092 cout << "Hit a key to continue..." << endl;