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);
493 flightgear::Options* options = flightgear::Options::sharedInstance();
494 options->init(argc, argv, dataPath);
495 bool loadDefaults = flightgear::Options::sharedInstance()->shouldLoadDefaultConfig();
497 // Read global preferences from $FG_ROOT/preferences.xml
498 SG_LOG(SG_INPUT, SG_INFO, "Reading global preferences");
499 fgLoadProps("preferences.xml", globals->get_props());
500 SG_LOG(SG_INPUT, SG_INFO, "Finished Reading global preferences");
502 // do not load user settings when reset to default is requested, or if
503 // told to explicitly ignore
504 if (options->isOptionSet("restore-defaults") || options->isOptionSet("ignore-autosave"))
506 SG_LOG(SG_ALL, SG_ALERT, "Ignoring user settings. Restoring defaults.");
510 globals->loadUserSettings(dataPath);
513 SG_LOG(SG_GENERAL, SG_INFO, "not reading default configuration files");
514 }// of no-default-config selected
516 // Scan user config files and command line for a specified aircraft.
517 options->initAircraft();
519 FindAndCacheAircraft f(globals->get_props());
520 if (!f.loadAircraft()) {
521 return flightgear::FG_OPTIONS_ERROR;
524 // parse options after loading aircraft to ensure any user
525 // overrides of defaults are honored.
526 return options->processOptions();
532 * Initialize vor/ndb/ils/fix list management and query systems (as
533 * well as simple airport db list)
534 * This is called multiple times in the case of a cache rebuild,
535 * to allow lengthy caching to take place in the background, without
536 * blocking the main/UI thread.
541 flightgear::NavDataCache* cache = flightgear::NavDataCache::instance();
542 static bool doingRebuild = false;
543 if (doingRebuild || cache->isRebuildRequired()) {
545 bool finished = cache->rebuild();
547 // sleep to give the rebuild thread more time
548 SGTimeStamp::sleepForMSec(50);
553 FGTACANList *channellist = new FGTACANList;
554 globals->set_channellist( channellist );
556 SGPath path(globals->get_fg_root());
557 path.append( "Navaids/TACAN_freq.dat" );
558 flightgear::loadTacan(path, channellist);
563 // General house keeping initializations
564 bool fgInitGeneral() {
567 SG_LOG( SG_GENERAL, SG_INFO, "General Initialization" );
568 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
570 root = globals->get_fg_root();
571 if ( ! root.length() ) {
572 // No root path set? Then bail ...
573 SG_LOG( SG_GENERAL, SG_ALERT,
574 "Cannot continue without a path to the base package "
575 << "being defined." );
578 SG_LOG( SG_GENERAL, SG_INFO, "FG_ROOT = " << '"' << root << '"' << endl );
580 // Note: browser command is hard-coded for Mac/Windows, so this only affects other platforms
581 globals->set_browser(fgGetString("/sim/startup/browser-app", WEB_BROWSER));
582 fgSetString("/sim/startup/browser-app", globals->get_browser());
584 simgear::Dir cwd(simgear::Dir::current());
585 SGPropertyNode *curr = fgGetNode("/sim", true);
586 curr->removeChild("fg-current", 0, false);
587 curr = curr->getChild("fg-current", 0, true);
588 curr->setStringValue(cwd.path().str());
589 curr->setAttribute(SGPropertyNode::WRITE, false);
591 fgSetBool("/sim/startup/stdout-to-terminal", isatty(1) != 0 );
592 fgSetBool("/sim/startup/stderr-to-terminal", isatty(2) != 0 );
596 // Write various configuraton values out to the logs
597 void fgOutputSettings()
599 SG_LOG( SG_GENERAL, SG_INFO, "Configuration State" );
600 SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
602 SG_LOG( SG_GENERAL, SG_INFO, "aircraft-dir = " << '"' << fgGetString("/sim/aircraft-dir") << '"' );
603 SG_LOG( SG_GENERAL, SG_INFO, "fghome-dir = " << '"' << globals->get_fg_home() << '"');
604 SG_LOG( SG_GENERAL, SG_INFO, "aircraft-dir = " << '"' << fgGetString("/sim/aircraft-dir") << '"');
606 SG_LOG( SG_GENERAL, SG_INFO, "aircraft-search-paths = \n\t" << simgear::strutils::join(globals->get_aircraft_paths(), "\n\t") );
607 SG_LOG( SG_GENERAL, SG_INFO, "scenery-search-paths = \n\t" << simgear::strutils::join(globals->get_fg_scenery(), "\n\t") );
610 // This is the top level init routine which calls all the other
611 // initialization routines. If you are adding a subsystem to flight
612 // gear, its initialization call should located in this routine.
613 // Returns non-zero if a problem encountered.
614 void fgCreateSubsystems() {
616 SG_LOG( SG_GENERAL, SG_INFO, "Creating Subsystems");
617 SG_LOG( SG_GENERAL, SG_INFO, "========== ==========");
619 ////////////////////////////////////////////////////////////////////
620 // Initialize the sound subsystem.
621 ////////////////////////////////////////////////////////////////////
622 // Sound manager uses an own subsystem group "SOUND" which is the last
623 // to be updated in every loop.
624 // Sound manager is updated last so it can use the CPU while the GPU
625 // is processing the scenery (doubled the frame-rate for me) -EMH-
626 globals->add_subsystem("sound", new FGSoundManager, SGSubsystemMgr::SOUND);
628 ////////////////////////////////////////////////////////////////////
629 // Initialize the event manager subsystem.
630 ////////////////////////////////////////////////////////////////////
632 globals->get_event_mgr()->init();
633 globals->get_event_mgr()->setRealtimeProperty(fgGetNode("/sim/time/delta-realtime-sec", true));
635 ////////////////////////////////////////////////////////////////////
636 // Initialize the property interpolator subsystem. Put into the INIT
637 // group because the "nasal" subsystem may need it at GENERAL take-down.
638 ////////////////////////////////////////////////////////////////////
639 FGInterpolator* interp = new FGInterpolator;
640 interp->setRealtimeProperty(fgGetNode("/sim/time/delta-realtime-sec", true));
641 globals->add_subsystem("prop-interpolator", interp, SGSubsystemMgr::INIT);
642 SGPropertyNode::setInterpolationMgr(interp);
644 ////////////////////////////////////////////////////////////////////
645 // Add the FlightGear property utilities.
646 ////////////////////////////////////////////////////////////////////
647 globals->add_subsystem("properties", new FGProperties);
650 ////////////////////////////////////////////////////////////////////
651 // Add the performance monitoring system.
652 ////////////////////////////////////////////////////////////////////
653 globals->add_subsystem("performance-mon",
654 new SGPerformanceMonitor(globals->get_subsystem_mgr(),
655 fgGetNode("/sim/performance-monitor", true)));
657 ////////////////////////////////////////////////////////////////////
658 // Initialize the material property subsystem.
659 ////////////////////////////////////////////////////////////////////
661 SGPath mpath( globals->get_fg_root() );
662 mpath.append( fgGetString("/sim/rendering/materials-file") );
663 if ( ! globals->get_matlib()->load(globals->get_fg_root(), mpath.str(),
664 globals->get_props()) ) {
665 throw sg_io_exception("Error loading materials file", mpath);
668 globals->add_subsystem( "http", new FGHTTPClient );
670 ////////////////////////////////////////////////////////////////////
671 // Initialize the scenery management subsystem.
672 ////////////////////////////////////////////////////////////////////
674 globals->get_scenery()->get_scene_graph()
675 ->addChild(simgear::Particles::getCommonRoot());
676 simgear::GlobalParticleCallback::setSwitch(fgGetNode("/sim/rendering/particles", true));
678 ////////////////////////////////////////////////////////////////////
679 // Initialize the flight model subsystem.
680 ////////////////////////////////////////////////////////////////////
682 globals->add_subsystem("flight", new FDMShell, SGSubsystemMgr::FDM);
684 ////////////////////////////////////////////////////////////////////
685 // Initialize the weather subsystem.
686 ////////////////////////////////////////////////////////////////////
688 // Initialize the weather modeling subsystem
689 globals->add_subsystem("environment", new FGEnvironmentMgr);
690 globals->add_subsystem("ephemeris", new Ephemeris);
692 ////////////////////////////////////////////////////////////////////
693 // Initialize the aircraft systems and instrumentation (before the
695 ////////////////////////////////////////////////////////////////////
697 globals->add_subsystem("systems", new FGSystemMgr, SGSubsystemMgr::FDM);
698 globals->add_subsystem("instrumentation", new FGInstrumentMgr, SGSubsystemMgr::FDM);
699 globals->add_subsystem("hud", new HUD, SGSubsystemMgr::DISPLAY);
700 globals->add_subsystem("cockpit-displays", new flightgear::CockpitDisplayManager, SGSubsystemMgr::DISPLAY);
702 ////////////////////////////////////////////////////////////////////
703 // Initialize the XML Autopilot subsystem.
704 ////////////////////////////////////////////////////////////////////
706 globals->add_subsystem( "xml-autopilot", FGXMLAutopilotGroup::createInstance("autopilot"), SGSubsystemMgr::FDM );
707 globals->add_subsystem( "xml-proprules", FGXMLAutopilotGroup::createInstance("property-rule"), SGSubsystemMgr::GENERAL );
708 globals->add_subsystem( "route-manager", new FGRouteMgr );
710 ////////////////////////////////////////////////////////////////////
711 // Initialize the Input-Output subsystem
712 ////////////////////////////////////////////////////////////////////
713 globals->add_subsystem( "io", new FGIO );
715 ////////////////////////////////////////////////////////////////////
716 // Create and register the logger.
717 ////////////////////////////////////////////////////////////////////
719 globals->add_subsystem("logger", new FGLogger);
721 ////////////////////////////////////////////////////////////////////
722 // Create and register the XML GUI.
723 ////////////////////////////////////////////////////////////////////
725 globals->add_subsystem("gui", new NewGUI, SGSubsystemMgr::INIT);
727 //////////////////////////////////////////////////////////////////////
728 // Initialize the 2D cloud subsystem.
729 ////////////////////////////////////////////////////////////////////
730 fgGetBool("/sim/rendering/bump-mapping", false);
732 ////////////////////////////////////////////////////////////////////
733 // Initialize the canvas 2d drawing subsystem.
734 ////////////////////////////////////////////////////////////////////
735 globals->add_subsystem("Canvas", new CanvasMgr, SGSubsystemMgr::DISPLAY);
736 globals->add_subsystem("CanvasGUI", new GUIMgr, SGSubsystemMgr::DISPLAY);
738 ////////////////////////////////////////////////////////////////////
739 // Initialise the ATIS Manager
740 // Note that this is old stuff, but is necessary for the
741 // current ATIS implementation. Therefore, leave it in here
742 // until the ATIS system is ported over to make use of the ATIS
743 // sub system infrastructure.
744 ////////////////////////////////////////////////////////////////////
746 globals->add_subsystem("ATIS", new FGATISMgr, SGSubsystemMgr::INIT, 0.4);
748 ////////////////////////////////////////////////////////////////////
749 // Initialize the ATC subsystem
750 ////////////////////////////////////////////////////////////////////
751 globals->add_subsystem("ATC", new FGATCManager, SGSubsystemMgr::POST_FDM);
753 ////////////////////////////////////////////////////////////////////
754 // Initialize multiplayer subsystem
755 ////////////////////////////////////////////////////////////////////
757 globals->add_subsystem("mp", new FGMultiplayMgr, SGSubsystemMgr::POST_FDM);
759 ////////////////////////////////////////////////////////////////////
760 // Initialise the AI Model Manager
761 ////////////////////////////////////////////////////////////////////
762 SG_LOG(SG_GENERAL, SG_INFO, " AI Model Manager");
763 globals->add_subsystem("ai-model", new FGAIManager, SGSubsystemMgr::POST_FDM);
764 globals->add_subsystem("submodel-mgr", new FGSubmodelMgr, SGSubsystemMgr::POST_FDM);
767 // It's probably a good idea to initialize the top level traffic manager
768 // After the AI and ATC systems have been initialized properly.
769 // AI Traffic manager
770 globals->add_subsystem("traffic-manager", new FGTrafficManager, SGSubsystemMgr::POST_FDM);
772 ////////////////////////////////////////////////////////////////////
773 // Add a new 2D panel.
774 ////////////////////////////////////////////////////////////////////
776 fgSetArchivable("/sim/panel/visibility");
777 fgSetArchivable("/sim/panel/x-offset");
778 fgSetArchivable("/sim/panel/y-offset");
779 fgSetArchivable("/sim/panel/jitter");
781 ////////////////////////////////////////////////////////////////////
782 // Initialize the controls subsystem.
783 ////////////////////////////////////////////////////////////////////
785 globals->add_subsystem("controls", new FGControls, SGSubsystemMgr::GENERAL);
787 ////////////////////////////////////////////////////////////////////
788 // Initialize the input subsystem.
789 ////////////////////////////////////////////////////////////////////
791 globals->add_subsystem("input", new FGInput, SGSubsystemMgr::GENERAL);
794 ////////////////////////////////////////////////////////////////////
795 // Initialize the replay subsystem
796 ////////////////////////////////////////////////////////////////////
797 globals->add_subsystem("replay", new FGReplay);
798 globals->add_subsystem("history", new FGFlightHistory);
800 #ifdef ENABLE_AUDIO_SUPPORT
801 ////////////////////////////////////////////////////////////////////
802 // Initialize the sound-effects subsystem.
803 ////////////////////////////////////////////////////////////////////
804 globals->add_subsystem("voice", new FGVoiceMgr, SGSubsystemMgr::DISPLAY);
808 ////////////////////////////////////////////////////////////////////
809 // Initialize the FGCom subsystem.
810 ////////////////////////////////////////////////////////////////////
811 globals->add_subsystem("fgcom", new FGCom);
814 ////////////////////////////////////////////////////////////////////
815 // Initialize the lighting subsystem.
816 ////////////////////////////////////////////////////////////////////
818 globals->add_subsystem("lighting", new FGLight, SGSubsystemMgr::DISPLAY);
820 // ordering here is important : Nasal (via events), then models, then views
821 globals->add_subsystem("events", globals->get_event_mgr(), SGSubsystemMgr::DISPLAY);
823 globals->add_subsystem("aircraft-model", new FGAircraftModel, SGSubsystemMgr::DISPLAY);
824 globals->add_subsystem("model-manager", new FGModelMgr, SGSubsystemMgr::DISPLAY);
826 globals->add_subsystem("view-manager", new FGViewMgr, SGSubsystemMgr::DISPLAY);
828 globals->add_subsystem("tile-manager", globals->get_tile_mgr(),
829 SGSubsystemMgr::DISPLAY);
832 void fgPostInitSubsystems()
837 ////////////////////////////////////////////////////////////////////////
838 // Initialize the Nasal interpreter.
839 // Do this last, so that the loaded scripts see initialized state
840 ////////////////////////////////////////////////////////////////////////
841 FGNasalSys* nasal = new FGNasalSys();
842 globals->add_subsystem("nasal", nasal, SGSubsystemMgr::INIT);
844 SG_LOG(SG_GENERAL, SG_INFO, "Nasal init took:" << st.elapsedMSec());
846 // Ensure IOrules and path validation are working properly by trying to
847 // access a folder/file which should never be accessible.
848 const char* no_access_path =
854 if( fgValidatePath(no_access_path, true) )
859 "Check your IOrules! (write to '" << no_access_path << "' is allowed)"
861 if( fgValidatePath(no_access_path, false) )
866 "Check your IOrules! (read from '" << no_access_path << "' is allowed)"
869 // initialize methods that depend on other subsystems.
871 globals->get_subsystem_mgr()->postinit();
872 SG_LOG(SG_GENERAL, SG_INFO, "Subsystems postinit took:" << st.elapsedMSec());
874 ////////////////////////////////////////////////////////////////////////
875 // End of subsystem initialization.
876 ////////////////////////////////////////////////////////////////////
878 fgSetBool("/sim/crashed", false);
879 fgSetBool("/sim/initialized", true);
881 SG_LOG( SG_GENERAL, SG_INFO, endl);
883 // Save the initial state for future
885 globals->saveInitialState();
888 // Reset: this is what the 'reset' command (and hence, GUI) is attached to
889 void fgReInitSubsystems()
891 SGPropertyNode *master_freeze = fgGetNode("/sim/freeze/master");
893 SG_LOG( SG_GENERAL, SG_INFO, "fgReInitSubsystems()");
895 // setup state to begin re-init
896 bool freeze = master_freeze->getBoolValue();
898 master_freeze->setBoolValue(true);
901 fgSetBool("/sim/signals/reinit", true);
902 fgSetBool("/sim/crashed", false);
904 // do actual re-init steps
905 globals->get_subsystem("flight")->unbind();
907 // reset control state, before restoring initial state; -set or config files
908 // may specify values for flaps, trim tabs, magnetos, etc
909 globals->get_controls()->reset_all();
911 globals->restoreInitialState();
913 // update our position based on current presets
914 // this will mark position as needed finalized which we'll do in the
916 flightgear::initPosition();
918 simgear::SGTerraSync* terraSync =
919 static_cast<simgear::SGTerraSync*>(globals->get_subsystem("terrasync"));
921 terraSync->reposition();
924 // Force reupdating the positions of the ai 3d models. They are used for
925 // initializing ground level for the FDM.
926 globals->get_subsystem("ai-model")->reinit();
928 // Initialize the FDM
929 globals->get_subsystem("flight")->reinit();
931 // reset replay buffers
932 globals->get_subsystem("replay")->reinit();
934 // reload offsets from config defaults
935 globals->get_viewmgr()->reinit();
937 // ugly: finalizePosition waits for METAR to arrive for the new airport.
938 // we don't re-init the environment manager here, since historically we did
939 // not, and doing so seems to have other issues. All that's needed is to
940 // schedule METAR fetch immediately, so it's available for finalizePosition.
941 // So we manually extract the METAR-fetching component inside the environment
942 // manager, and re-init that.
943 SGSubsystemGroup* envMgr = static_cast<SGSubsystemGroup*>(globals->get_subsystem("environment"));
945 envMgr->get_subsystem("realwx")->reinit();
948 globals->get_subsystem("time")->reinit();
950 // need to bind FDMshell again, since we manually unbound it above...
951 globals->get_subsystem("flight")->bind();
953 // need to reset aircraft (systems/instruments) so they can adapt to current environment
954 globals->get_subsystem("systems")->reinit();
955 globals->get_subsystem("instrumentation")->reinit();
957 globals->get_subsystem("ATIS")->reinit();
959 // setup state to end re-init
960 fgSetBool("/sim/signals/reinit", false);
962 master_freeze->setBoolValue(false);
964 fgSetBool("/sim/sceneryloaded",false);
968 ///////////////////////////////////////////////////////////////////////////////
969 // helper object to implement the --show-aircraft command.
970 // resides here so we can share the fgFindAircraftInDir template above,
971 // and hence ensure this command lists exectly the same aircraft as the normal
978 _minStatus = getNumMaturity(fgGetString("/sim/aircraft-min-status", "all"));
982 void show(const SGPath& path)
984 fgFindAircraftInDir(path, this, &ShowAircraft::processAircraft);
986 simgear::requestConsole(); // ensure console is shown on Windows
988 std::sort(_aircraft.begin(), _aircraft.end(), ciLessLibC());
989 cout << "Available aircraft:" << endl;
990 for ( unsigned int i = 0; i < _aircraft.size(); i++ ) {
991 cout << _aircraft[i] << endl;
996 bool processAircraft(const SGPath& path)
1000 readProperties(path.str(), &root);
1001 } catch (sg_exception& ) {
1006 string descStr(" ");
1007 descStr += path.file();
1008 // trim common suffix from file names
1009 int nPos = descStr.rfind("-set.xml");
1010 if (nPos == (int)(descStr.size() - 8)) {
1011 descStr.resize(nPos);
1014 SGPropertyNode *node = root.getNode("sim");
1016 SGPropertyNode* desc = node->getNode("description");
1017 // if a status tag is found, read it in
1018 if (node->hasValue("status")) {
1019 maturity = getNumMaturity(node->getStringValue("status"));
1023 if (descStr.size() <= 27+3) {
1024 descStr.append(29+3-descStr.size(), ' ');
1027 descStr.append( 32, ' ');
1029 descStr += desc->getStringValue();
1031 } // of have 'sim' node
1033 if (maturity < _minStatus) {
1037 _aircraft.push_back(descStr);
1042 int getNumMaturity(const char * str)
1044 // changes should also be reflected in $FG_ROOT/data/options.xml &
1045 // $FG_ROOT/data/Translations/string-default.xml
1046 const char* levels[] = {"alpha","beta","early-production","production"};
1048 if (!strcmp(str, "all")) {
1052 for (size_t i=0; i<(sizeof(levels)/sizeof(levels[0]));i++)
1053 if (strcmp(str,levels[i])==0)
1059 // recommended in Meyers, Effective STL when internationalization and embedded
1060 // NULLs aren't an issue. Much faster than the STL or Boost lex versions.
1061 struct ciLessLibC : public std::binary_function<string, string, bool>
1063 bool operator()(const std::string &lhs, const std::string &rhs) const
1065 return strcasecmp(lhs.c_str(), rhs.c_str()) < 0 ? 1 : 0;
1070 string_list _aircraft;
1073 void fgShowAircraft(const SGPath &path)
1079 cout << "Hit a key to continue..." << endl;