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"
128 #include <GUI/CocoaHelpers.h> // for Mac impl of platformDefaultDataPath()
135 using namespace boost::algorithm;
138 // Return the current base package version
139 string fgBasePackageVersion() {
140 SGPath base_path( globals->get_fg_root() );
141 base_path.append("version");
142 if (!base_path.exists()) {
146 sg_gzifstream in( base_path.str() );
159 bool fgFindAircraftInDir(const SGPath& dirPath, T* obj, bool (T::*pred)(const SGPath& p))
161 if (!dirPath.exists()) {
162 SG_LOG(SG_GENERAL, SG_WARN, "fgFindAircraftInDir: no such path:" << dirPath.str());
167 simgear::Dir dir(dirPath);
168 simgear::PathList setFiles(dir.children(simgear::Dir::TYPE_FILE, "-set.xml"));
169 simgear::PathList::iterator p;
170 for (p = setFiles.begin(); p != setFiles.end(); ++p) {
171 // check file name ends with -set.xml
173 // if we found a -set.xml at this level, don't recurse any deeper
176 bool done = (obj->*pred)(*p);
180 } // of -set.xml iteration
186 simgear::PathList subdirs(dir.children(simgear::Dir::TYPE_DIR | simgear::Dir::NO_DOT_OR_DOTDOT));
187 for (p = subdirs.begin(); p != subdirs.end(); ++p) {
188 if (p->file() == "CVS") {
192 if (fgFindAircraftInDir(*p, obj, pred)) {
195 } // of subdirs iteration
201 void fgFindAircraft(T* obj, bool (T::*pred)(const SGPath& p))
203 const string_list& paths(globals->get_aircraft_paths());
204 string_list::const_iterator it = paths.begin();
205 for (; it != paths.end(); ++it) {
206 bool done = fgFindAircraftInDir(SGPath(*it), obj, pred);
210 } // of aircraft paths iteration
212 // if we reach this point, search the default location (always last)
213 SGPath rootAircraft(globals->get_fg_root());
214 rootAircraft.append("Aircraft");
215 fgFindAircraftInDir(rootAircraft, obj, pred);
218 class FindAndCacheAircraft
221 FindAndCacheAircraft(SGPropertyNode* autoSave)
223 _cache = autoSave->getNode("sim/startup/path-cache", true);
228 std::string aircraft = fgGetString( "/sim/aircraft", "");
229 if (aircraft.empty()) {
230 flightgear::fatalMessageBox("No aircraft", "No aircraft was specified");
231 SG_LOG(SG_GENERAL, SG_ALERT, "no aircraft specified");
235 _searchAircraft = aircraft + "-set.xml";
236 std::string aircraftDir = fgGetString("/sim/aircraft-dir", "");
237 if (!aircraftDir.empty()) {
238 // aircraft-dir was set, skip any searching at all, if it's valid
239 simgear::Dir acPath(aircraftDir);
240 SGPath setFile = acPath.file(_searchAircraft);
241 if (setFile.exists()) {
242 SG_LOG(SG_GENERAL, SG_INFO, "found aircraft in dir: " << aircraftDir );
245 readProperties(setFile.str(), globals->get_props());
246 } catch ( const sg_exception &e ) {
247 SG_LOG(SG_INPUT, SG_ALERT, "Error reading aircraft: " << e.getFormattedMessage());
248 flightgear::fatalMessageBox("Error reading aircraft",
249 "An error occured reading the requested aircraft (" + aircraft + ")",
250 e.getFormattedMessage());
256 SG_LOG(SG_GENERAL, SG_ALERT, "aircraft '" << _searchAircraft <<
257 "' not found in specified dir:" << aircraftDir);
258 flightgear::fatalMessageBox("Aircraft not found",
259 "The requested aircraft '" + aircraft + "' could not be found in the specified location.",
266 // prepare cache for re-scan
267 SGPropertyNode *n = _cache->getNode("fg-root", true);
268 n->setStringValue(globals->get_fg_root().c_str());
269 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
270 n = _cache->getNode("fg-aircraft", true);
271 n->setStringValue(getAircraftPaths().c_str());
272 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
273 _cache->removeChildren("aircraft");
275 fgFindAircraft(this, &FindAndCacheAircraft::checkAircraft);
278 if (_foundPath.str().empty()) {
279 SG_LOG(SG_GENERAL, SG_ALERT, "Cannot find specified aircraft: " << aircraft );
280 flightgear::fatalMessageBox("Aircraft not found",
281 "The requested aircraft '" + aircraft + "' could not be found in any of the search paths");
286 SG_LOG(SG_GENERAL, SG_INFO, "Loading aircraft -set file from:" << _foundPath.str());
287 fgSetString( "/sim/aircraft-dir", _foundPath.dir().c_str());
288 if (!_foundPath.exists()) {
289 SG_LOG(SG_GENERAL, SG_ALERT, "Unable to find -set file:" << _foundPath.str());
294 readProperties(_foundPath.str(), globals->get_props());
295 } catch ( const sg_exception &e ) {
296 SG_LOG(SG_INPUT, SG_ALERT, "Error reading aircraft: " << e.getFormattedMessage());
297 flightgear::fatalMessageBox("Error reading aircraft",
298 "An error occured reading the requested aircraft (" + aircraft + ")",
299 e.getFormattedMessage());
307 SGPath getAircraftPaths() {
308 string_list pathList = globals->get_aircraft_paths();
309 SGPath aircraftPaths;
310 string_list::const_iterator it = pathList.begin();
311 if (it != pathList.end()) {
312 aircraftPaths.set(*it);
315 for (; it != pathList.end(); ++it) {
316 aircraftPaths.add(*it);
318 return aircraftPaths;
323 if (globals->get_fg_root() != _cache->getStringValue("fg-root", "")) {
324 return false; // cache mismatch
327 if (getAircraftPaths().str() != _cache->getStringValue("fg-aircraft", "")) {
328 return false; // cache mismatch
331 vector<SGPropertyNode_ptr> cache = _cache->getChildren("aircraft");
332 for (unsigned int i = 0; i < cache.size(); i++) {
333 const char *name = cache[i]->getStringValue("file", "");
334 if (!boost::equals(_searchAircraft, name, is_iequal())) {
338 SGPath xml(cache[i]->getStringValue("path", ""));
346 } // of aircraft in cache iteration
351 bool checkAircraft(const SGPath& p)
356 if (!_cache->getChild("aircraft", i++, false))
360 SGPropertyNode *n, *entry = _cache->getChild("aircraft", --i, true);
362 std::string fileName(p.file());
363 n = entry->getNode("file", true);
364 n->setStringValue(fileName);
365 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
367 n = entry->getNode("path", true);
368 n->setStringValue(p.dir());
369 n->setAttribute(SGPropertyNode::USERARCHIVE, true);
371 if ( boost::equals(fileName, _searchAircraft.c_str(), is_iequal()) ) {
379 std::string _searchAircraft;
381 SGPropertyNode* _cache;
385 static SGPath platformDefaultDataPath()
387 char *envp = ::getenv( "APPDATA" );
388 SGPath config( envp );
389 config.append( "flightgear.org" );
393 #elif defined(SG_MAC)
395 // platformDefaultDataPath defined in GUI/CocoaHelpers.h
398 static SGPath platformDefaultDataPath()
400 return SGPath::home() / ".fgfs";
406 SGPath dataPath = SGPath::fromEnv("FG_HOME", platformDefaultDataPath());
407 globals->set_fg_home(dataPath.c_str());
409 simgear::Dir fgHome(dataPath);
410 if (!fgHome.exists()) {
414 if (!fgHome.exists()) {
415 flightgear::fatalMessageBox("Problem setting up user data",
416 "Unable to create the user-data storage folder at: '"
417 + dataPath.str() + "'");
421 if (fgGetBool("/sim/fghome-readonly", false)) {
422 // user / config forced us into readonly mode, fine
423 SG_LOG(SG_GENERAL, SG_INFO, "Running with FG_HOME readonly");
427 // write our PID, and check writeability
428 SGPath pidPath(dataPath, "fgfs.pid");
429 if (pidPath.exists()) {
430 SG_LOG(SG_GENERAL, SG_INFO, "flightgear instance already running, switching to FG_HOME read-only.");
431 // set a marker property so terrasync/navcache don't try to write
432 // from secondary instances
433 fgSetBool("/sim/fghome-readonly", true);
439 #if defined(SG_WINDOWS)
440 size_t len = snprintf(buf, 16, "%d", _getpid());
442 HANDLE f = CreateFileA(pidPath.c_str(), GENERIC_READ | GENERIC_WRITE,
443 FILE_SHARE_READ, /* sharing */
444 NULL, /* security attributes */
445 CREATE_NEW, /* error if already exists */
446 FILE_FLAG_DELETE_ON_CLOSE,
447 NULL /* template */);
449 result = (f != INVALID_HANDLE_VALUE);
452 WriteFile(f, buf, len, &written, NULL /* overlapped */);
455 // POSIX, do open+unlink trick to the file is deleted on exit, even if we
457 size_t len = snprintf(buf, 16, "%d", getpid());
458 int fd = ::open(pidPath.c_str(), O_WRONLY | O_CREAT | O_TRUNC | O_EXCL, 0644);
460 ::write(fd, buf, len);
461 ::unlink(pidPath.c_str()); // delete file when app quits
465 fgSetBool("/sim/fghome-readonly", false);
468 flightgear::fatalMessageBox("File permissions problem",
469 "Can't write to user-data storage folder, check file permissions and FG_HOME.",
470 "User-data at:" + dataPath.str());
475 // Read in configuration (file and command line)
476 int fgInitConfig ( int argc, char **argv )
478 SGPath dataPath = globals->get_fg_home();
480 simgear::Dir exportDir(simgear::Dir(dataPath).file("Export"));
481 if (!exportDir.exists()) {
482 exportDir.create(0777);
485 // Set /sim/fg-home and don't allow malign code to override it until
486 // Nasal security is set up. Use FG_HOME if necessary.
487 SGPropertyNode *home = fgGetNode("/sim", true);
488 home->removeChild("fg-home", 0, false);
489 home = home->getChild("fg-home", 0, true);
490 home->setStringValue(dataPath.c_str());
491 home->setAttribute(SGPropertyNode::WRITE, false);
494 flightgear::Options* options = flightgear::Options::sharedInstance();
495 options->init(argc, argv, dataPath);
496 bool loadDefaults = flightgear::Options::sharedInstance()->shouldLoadDefaultConfig();
498 // Read global preferences from $FG_ROOT/preferences.xml
499 SG_LOG(SG_INPUT, SG_INFO, "Reading global preferences");
500 fgLoadProps("preferences.xml", globals->get_props());
501 SG_LOG(SG_INPUT, SG_INFO, "Finished Reading global preferences");
503 // do not load user settings when reset to default is requested, or if
504 // told to explicitly ignore
505 if (options->isOptionSet("restore-defaults") || options->isOptionSet("ignore-autosave"))
507 SG_LOG(SG_ALL, SG_ALERT, "Ignoring user settings. Restoring defaults.");
511 globals->loadUserSettings(dataPath);
514 SG_LOG(SG_GENERAL, SG_INFO, "not reading default configuration files");
515 }// of no-default-config selected
517 // Scan user config files and command line for a specified aircraft.
518 options->initAircraft();
520 FindAndCacheAircraft f(globals->get_props());
521 if (!f.loadAircraft()) {
522 return flightgear::FG_OPTIONS_ERROR;
525 // parse options after loading aircraft to ensure any user
526 // overrides of defaults are honored.
527 return options->processOptions();
533 * Initialize vor/ndb/ils/fix list management and query systems (as
534 * well as simple airport db list)
535 * This is called multiple times in the case of a cache rebuild,
536 * to allow lengthy caching to take place in the background, without
537 * blocking the main/UI thread.
542 flightgear::NavDataCache* cache = flightgear::NavDataCache::instance();
543 static bool doingRebuild = false;
544 if (doingRebuild || cache->isRebuildRequired()) {
546 bool finished = cache->rebuild();
548 // sleep to give the rebuild thread more time
549 SGTimeStamp::sleepForMSec(50);
554 FGTACANList *channellist = new FGTACANList;
555 globals->set_channellist( channellist );
557 SGPath path(globals->get_fg_root());
558 path.append( "Navaids/TACAN_freq.dat" );
559 flightgear::loadTacan(path, channellist);
564 // General house keeping initializations
565 bool fgInitGeneral() {
568 SG_LOG( SG_GENERAL, SG_INFO, "General Initialization" );
569 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
571 root = globals->get_fg_root();
572 if ( ! root.length() ) {
573 // No root path set? Then bail ...
574 SG_LOG( SG_GENERAL, SG_ALERT,
575 "Cannot continue without a path to the base package "
576 << "being defined." );
579 SG_LOG( SG_GENERAL, SG_INFO, "FG_ROOT = " << '"' << root << '"' << endl );
581 // Note: browser command is hard-coded for Mac/Windows, so this only affects other platforms
582 globals->set_browser(fgGetString("/sim/startup/browser-app", WEB_BROWSER));
583 fgSetString("/sim/startup/browser-app", globals->get_browser());
585 simgear::Dir cwd(simgear::Dir::current());
586 SGPropertyNode *curr = fgGetNode("/sim", true);
587 curr->removeChild("fg-current", 0, false);
588 curr = curr->getChild("fg-current", 0, true);
589 curr->setStringValue(cwd.path().str());
590 curr->setAttribute(SGPropertyNode::WRITE, false);
592 fgSetBool("/sim/startup/stdout-to-terminal", isatty(1) != 0 );
593 fgSetBool("/sim/startup/stderr-to-terminal", isatty(2) != 0 );
597 // Write various configuraton values out to the logs
598 void fgOutputSettings()
600 SG_LOG( SG_GENERAL, SG_INFO, "Configuration State" );
601 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
603 SG_LOG( SG_GENERAL, SG_INFO, "aircraft-dir = " << '"' << fgGetString("/sim/aircraft-dir") << '"' );
604 SG_LOG( SG_GENERAL, SG_INFO, "fghome-dir = " << '"' << globals->get_fg_home() << '"');
605 SG_LOG( SG_GENERAL, SG_INFO, "aircraft-dir = " << '"' << fgGetString("/sim/aircraft-dir") << '"');
607 SG_LOG( SG_GENERAL, SG_INFO, "aircraft-search-paths = \n\t" << simgear::strutils::join(globals->get_aircraft_paths(), "\n\t") );
608 SG_LOG( SG_GENERAL, SG_INFO, "scenery-search-paths = \n\t" << simgear::strutils::join(globals->get_fg_scenery(), "\n\t") );
611 // This is the top level init routine which calls all the other
612 // initialization routines. If you are adding a subsystem to flight
613 // gear, its initialization call should located in this routine.
614 // Returns non-zero if a problem encountered.
615 void fgCreateSubsystems() {
617 SG_LOG( SG_GENERAL, SG_INFO, "Creating Subsystems");
618 SG_LOG( SG_GENERAL, SG_INFO, "========== ==========");
620 ////////////////////////////////////////////////////////////////////
621 // Initialize the sound subsystem.
622 ////////////////////////////////////////////////////////////////////
623 // Sound manager uses an own subsystem group "SOUND" which is the last
624 // to be updated in every loop.
625 // Sound manager is updated last so it can use the CPU while the GPU
626 // is processing the scenery (doubled the frame-rate for me) -EMH-
627 globals->add_subsystem("sound", new FGSoundManager, SGSubsystemMgr::SOUND);
629 ////////////////////////////////////////////////////////////////////
630 // Initialize the event manager subsystem.
631 ////////////////////////////////////////////////////////////////////
633 globals->get_event_mgr()->init();
634 globals->get_event_mgr()->setRealtimeProperty(fgGetNode("/sim/time/delta-realtime-sec", true));
636 ////////////////////////////////////////////////////////////////////
637 // Initialize the property interpolator subsystem. Put into the INIT
638 // group because the "nasal" subsystem may need it at GENERAL take-down.
639 ////////////////////////////////////////////////////////////////////
640 FGInterpolator* interp = new FGInterpolator;
641 interp->setRealtimeProperty(fgGetNode("/sim/time/delta-realtime-sec", true));
642 globals->add_subsystem("prop-interpolator", interp, SGSubsystemMgr::INIT);
643 SGPropertyNode::setInterpolationMgr(interp);
645 ////////////////////////////////////////////////////////////////////
646 // Add the FlightGear property utilities.
647 ////////////////////////////////////////////////////////////////////
648 globals->add_subsystem("properties", new FGProperties);
651 ////////////////////////////////////////////////////////////////////
652 // Add the performance monitoring system.
653 ////////////////////////////////////////////////////////////////////
654 globals->add_subsystem("performance-mon",
655 new SGPerformanceMonitor(globals->get_subsystem_mgr(),
656 fgGetNode("/sim/performance-monitor", true)));
658 ////////////////////////////////////////////////////////////////////
659 // Initialize the material property subsystem.
660 ////////////////////////////////////////////////////////////////////
662 SGPath mpath( globals->get_fg_root() );
663 mpath.append( fgGetString("/sim/rendering/materials-file") );
664 if ( ! globals->get_matlib()->load(globals->get_fg_root(), mpath.str(),
665 globals->get_props()) ) {
666 throw sg_io_exception("Error loading materials file", mpath);
669 globals->add_subsystem( "http", new FGHTTPClient );
671 ////////////////////////////////////////////////////////////////////
672 // Initialize the scenery management subsystem.
673 ////////////////////////////////////////////////////////////////////
675 globals->get_scenery()->get_scene_graph()
676 ->addChild(simgear::Particles::getCommonRoot());
677 simgear::GlobalParticleCallback::setSwitch(fgGetNode("/sim/rendering/particles", true));
679 ////////////////////////////////////////////////////////////////////
680 // Initialize the flight model subsystem.
681 ////////////////////////////////////////////////////////////////////
683 globals->add_subsystem("flight", new FDMShell, SGSubsystemMgr::FDM);
685 ////////////////////////////////////////////////////////////////////
686 // Initialize the weather subsystem.
687 ////////////////////////////////////////////////////////////////////
689 // Initialize the weather modeling subsystem
690 globals->add_subsystem("environment", new FGEnvironmentMgr);
691 globals->add_subsystem("ephemeris", new Ephemeris);
693 ////////////////////////////////////////////////////////////////////
694 // Initialize the aircraft systems and instrumentation (before the
696 ////////////////////////////////////////////////////////////////////
698 globals->add_subsystem("systems", new FGSystemMgr, SGSubsystemMgr::FDM);
699 globals->add_subsystem("instrumentation", new FGInstrumentMgr, SGSubsystemMgr::FDM);
700 globals->add_subsystem("hud", new HUD, SGSubsystemMgr::DISPLAY);
701 globals->add_subsystem("cockpit-displays", new flightgear::CockpitDisplayManager, SGSubsystemMgr::DISPLAY);
703 ////////////////////////////////////////////////////////////////////
704 // Initialize the XML Autopilot subsystem.
705 ////////////////////////////////////////////////////////////////////
707 globals->add_subsystem( "xml-autopilot", FGXMLAutopilotGroup::createInstance("autopilot"), SGSubsystemMgr::FDM );
708 globals->add_subsystem( "xml-proprules", FGXMLAutopilotGroup::createInstance("property-rule"), SGSubsystemMgr::GENERAL );
709 globals->add_subsystem( "route-manager", new FGRouteMgr );
711 ////////////////////////////////////////////////////////////////////
712 // Initialize the Input-Output subsystem
713 ////////////////////////////////////////////////////////////////////
714 globals->add_subsystem( "io", new FGIO );
716 ////////////////////////////////////////////////////////////////////
717 // Create and register the logger.
718 ////////////////////////////////////////////////////////////////////
720 globals->add_subsystem("logger", new FGLogger);
722 ////////////////////////////////////////////////////////////////////
723 // Create and register the XML GUI.
724 ////////////////////////////////////////////////////////////////////
726 globals->add_subsystem("gui", new NewGUI, SGSubsystemMgr::INIT);
728 //////////////////////////////////////////////////////////////////////
729 // Initialize the 2D cloud subsystem.
730 ////////////////////////////////////////////////////////////////////
731 fgGetBool("/sim/rendering/bump-mapping", false);
733 ////////////////////////////////////////////////////////////////////
734 // Initialize the canvas 2d drawing subsystem.
735 ////////////////////////////////////////////////////////////////////
736 globals->add_subsystem("Canvas", new CanvasMgr, SGSubsystemMgr::DISPLAY);
737 globals->add_subsystem("CanvasGUI", new GUIMgr, SGSubsystemMgr::DISPLAY);
739 ////////////////////////////////////////////////////////////////////
740 // Initialise the ATIS Manager
741 // Note that this is old stuff, but is necessary for the
742 // current ATIS implementation. Therefore, leave it in here
743 // until the ATIS system is ported over to make use of the ATIS
744 // sub system infrastructure.
745 ////////////////////////////////////////////////////////////////////
747 globals->add_subsystem("ATIS", new FGATISMgr, SGSubsystemMgr::INIT, 0.4);
749 ////////////////////////////////////////////////////////////////////
750 // Initialize the ATC subsystem
751 ////////////////////////////////////////////////////////////////////
752 globals->add_subsystem("ATC", new FGATCManager, SGSubsystemMgr::POST_FDM);
754 ////////////////////////////////////////////////////////////////////
755 // Initialize multiplayer subsystem
756 ////////////////////////////////////////////////////////////////////
758 globals->add_subsystem("mp", new FGMultiplayMgr, SGSubsystemMgr::POST_FDM);
760 ////////////////////////////////////////////////////////////////////
761 // Initialise the AI Model Manager
762 ////////////////////////////////////////////////////////////////////
763 SG_LOG(SG_GENERAL, SG_INFO, " AI Model Manager");
764 globals->add_subsystem("ai-model", new FGAIManager, SGSubsystemMgr::POST_FDM);
765 globals->add_subsystem("submodel-mgr", new FGSubmodelMgr, SGSubsystemMgr::POST_FDM);
768 // It's probably a good idea to initialize the top level traffic manager
769 // After the AI and ATC systems have been initialized properly.
770 // AI Traffic manager
771 globals->add_subsystem("traffic-manager", new FGTrafficManager, SGSubsystemMgr::POST_FDM);
773 ////////////////////////////////////////////////////////////////////
774 // Add a new 2D panel.
775 ////////////////////////////////////////////////////////////////////
777 fgSetArchivable("/sim/panel/visibility");
778 fgSetArchivable("/sim/panel/x-offset");
779 fgSetArchivable("/sim/panel/y-offset");
780 fgSetArchivable("/sim/panel/jitter");
782 ////////////////////////////////////////////////////////////////////
783 // Initialize the controls subsystem.
784 ////////////////////////////////////////////////////////////////////
786 globals->add_subsystem("controls", new FGControls, SGSubsystemMgr::GENERAL);
788 ////////////////////////////////////////////////////////////////////
789 // Initialize the input subsystem.
790 ////////////////////////////////////////////////////////////////////
792 globals->add_subsystem("input", new FGInput, SGSubsystemMgr::GENERAL);
795 ////////////////////////////////////////////////////////////////////
796 // Initialize the replay subsystem
797 ////////////////////////////////////////////////////////////////////
798 globals->add_subsystem("replay", new FGReplay);
799 globals->add_subsystem("history", new FGFlightHistory);
801 #ifdef ENABLE_AUDIO_SUPPORT
802 ////////////////////////////////////////////////////////////////////
803 // Initialize the sound-effects subsystem.
804 ////////////////////////////////////////////////////////////////////
805 globals->add_subsystem("voice", new FGVoiceMgr, SGSubsystemMgr::DISPLAY);
809 ////////////////////////////////////////////////////////////////////
810 // Initialize the FGCom subsystem.
811 ////////////////////////////////////////////////////////////////////
812 globals->add_subsystem("fgcom", new FGCom);
815 ////////////////////////////////////////////////////////////////////
816 // Initialize the lighting subsystem.
817 ////////////////////////////////////////////////////////////////////
819 globals->add_subsystem("lighting", new FGLight, SGSubsystemMgr::DISPLAY);
821 // ordering here is important : Nasal (via events), then models, then views
822 globals->add_subsystem("events", globals->get_event_mgr(), SGSubsystemMgr::DISPLAY);
824 globals->add_subsystem("aircraft-model", new FGAircraftModel, SGSubsystemMgr::DISPLAY);
825 globals->add_subsystem("model-manager", new FGModelMgr, SGSubsystemMgr::DISPLAY);
827 globals->add_subsystem("view-manager", new FGViewMgr, SGSubsystemMgr::DISPLAY);
829 globals->add_subsystem("tile-manager", globals->get_tile_mgr(),
830 SGSubsystemMgr::DISPLAY);
833 void fgPostInitSubsystems()
838 ////////////////////////////////////////////////////////////////////////
839 // Initialize the Nasal interpreter.
840 // Do this last, so that the loaded scripts see initialized state
841 ////////////////////////////////////////////////////////////////////////
842 FGNasalSys* nasal = new FGNasalSys();
843 globals->add_subsystem("nasal", nasal, SGSubsystemMgr::INIT);
845 SG_LOG(SG_GENERAL, SG_INFO, "Nasal init took:" << st.elapsedMSec());
847 // Ensure IOrules and path validation are working properly by trying to
848 // access a folder/file which should never be accessible.
849 const char* no_access_path =
855 if( fgValidatePath(no_access_path, true) )
860 "Check your IOrules! (write to '" << no_access_path << "' is allowed)"
862 if( fgValidatePath(no_access_path, false) )
867 "Check your IOrules! (read from '" << no_access_path << "' is allowed)"
870 // initialize methods that depend on other subsystems.
872 globals->get_subsystem_mgr()->postinit();
873 SG_LOG(SG_GENERAL, SG_INFO, "Subsystems postinit took:" << st.elapsedMSec());
875 ////////////////////////////////////////////////////////////////////////
876 // End of subsystem initialization.
877 ////////////////////////////////////////////////////////////////////
879 fgSetBool("/sim/crashed", false);
880 fgSetBool("/sim/initialized", true);
882 SG_LOG( SG_GENERAL, SG_INFO, endl);
884 // Save the initial state for future
886 globals->saveInitialState();
889 // Reset: this is what the 'reset' command (and hence, GUI) is attached to
890 void fgReInitSubsystems()
892 SGPropertyNode *master_freeze = fgGetNode("/sim/freeze/master");
894 SG_LOG( SG_GENERAL, SG_INFO, "fgReInitSubsystems()");
896 // setup state to begin re-init
897 bool freeze = master_freeze->getBoolValue();
899 master_freeze->setBoolValue(true);
902 fgSetBool("/sim/signals/reinit", true);
903 fgSetBool("/sim/crashed", false);
905 // do actual re-init steps
906 globals->get_subsystem("flight")->unbind();
908 // reset control state, before restoring initial state; -set or config files
909 // may specify values for flaps, trim tabs, magnetos, etc
910 globals->get_controls()->reset_all();
912 globals->restoreInitialState();
914 // update our position based on current presets
915 // this will mark position as needed finalized which we'll do in the
917 flightgear::initPosition();
919 simgear::SGTerraSync* terraSync =
920 static_cast<simgear::SGTerraSync*>(globals->get_subsystem("terrasync"));
922 terraSync->reposition();
925 // Force reupdating the positions of the ai 3d models. They are used for
926 // initializing ground level for the FDM.
927 globals->get_subsystem("ai-model")->reinit();
929 // Initialize the FDM
930 globals->get_subsystem("flight")->reinit();
932 // reset replay buffers
933 globals->get_subsystem("replay")->reinit();
935 // reload offsets from config defaults
936 globals->get_viewmgr()->reinit();
938 // ugly: finalizePosition waits for METAR to arrive for the new airport.
939 // we don't re-init the environment manager here, since historically we did
940 // not, and doing so seems to have other issues. All that's needed is to
941 // schedule METAR fetch immediately, so it's available for finalizePosition.
942 // So we manually extract the METAR-fetching component inside the environment
943 // manager, and re-init that.
944 SGSubsystemGroup* envMgr = static_cast<SGSubsystemGroup*>(globals->get_subsystem("environment"));
946 envMgr->get_subsystem("realwx")->reinit();
949 globals->get_subsystem("time")->reinit();
951 // need to bind FDMshell again, since we manually unbound it above...
952 globals->get_subsystem("flight")->bind();
954 // need to reset aircraft (systems/instruments) so they can adapt to current environment
955 globals->get_subsystem("systems")->reinit();
956 globals->get_subsystem("instrumentation")->reinit();
958 globals->get_subsystem("ATIS")->reinit();
960 // setup state to end re-init
961 fgSetBool("/sim/signals/reinit", false);
963 master_freeze->setBoolValue(false);
965 fgSetBool("/sim/sceneryloaded",false);
969 ///////////////////////////////////////////////////////////////////////////////
970 // helper object to implement the --show-aircraft command.
971 // resides here so we can share the fgFindAircraftInDir template above,
972 // and hence ensure this command lists exectly the same aircraft as the normal
979 _minStatus = getNumMaturity(fgGetString("/sim/aircraft-min-status", "all"));
983 void show(const SGPath& path)
985 fgFindAircraftInDir(path, this, &ShowAircraft::processAircraft);
987 simgear::requestConsole(); // ensure console is shown on Windows
989 std::sort(_aircraft.begin(), _aircraft.end(), ciLessLibC());
990 cout << "Available aircraft:" << endl;
991 for ( unsigned int i = 0; i < _aircraft.size(); i++ ) {
992 cout << _aircraft[i] << endl;
997 bool processAircraft(const SGPath& path)
1001 readProperties(path.str(), &root);
1002 } catch (sg_exception& ) {
1007 string descStr(" ");
1008 descStr += path.file();
1009 // trim common suffix from file names
1010 int nPos = descStr.rfind("-set.xml");
1011 if (nPos == (int)(descStr.size() - 8)) {
1012 descStr.resize(nPos);
1015 SGPropertyNode *node = root.getNode("sim");
1017 SGPropertyNode* desc = node->getNode("description");
1018 // if a status tag is found, read it in
1019 if (node->hasValue("status")) {
1020 maturity = getNumMaturity(node->getStringValue("status"));
1024 if (descStr.size() <= 27+3) {
1025 descStr.append(29+3-descStr.size(), ' ');
1028 descStr.append( 32, ' ');
1030 descStr += desc->getStringValue();
1032 } // of have 'sim' node
1034 if (maturity < _minStatus) {
1038 _aircraft.push_back(descStr);
1043 int getNumMaturity(const char * str)
1045 // changes should also be reflected in $FG_ROOT/data/options.xml &
1046 // $FG_ROOT/data/Translations/string-default.xml
1047 const char* levels[] = {"alpha","beta","early-production","production"};
1049 if (!strcmp(str, "all")) {
1053 for (size_t i=0; i<(sizeof(levels)/sizeof(levels[0]));i++)
1054 if (strcmp(str,levels[i])==0)
1060 // recommended in Meyers, Effective STL when internationalization and embedded
1061 // NULLs aren't an issue. Much faster than the STL or Boost lex versions.
1062 struct ciLessLibC : public std::binary_function<string, string, bool>
1064 bool operator()(const std::string &lhs, const std::string &rhs) const
1066 return strcasecmp(lhs.c_str(), rhs.c_str()) < 0 ? 1 : 0;
1071 string_list _aircraft;
1074 void fgShowAircraft(const SGPath &path)
1080 cout << "Hit a key to continue..." << endl;