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flightgear/src/Main/fg_init.cxx
James Turner 2f6172687e Make FGControls behave like a standard subsystem.
2012-09-25 00:48:48 +01:00

953 lines
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// fg_init.cxx -- Flight Gear top level initialization routines
//
// Written by Curtis Olson, started August 1997.
//
// Copyright (C) 1997 Curtis L. Olson - http://www.flightgear.org/~curt
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// $Id$
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h> // strcmp()
#ifdef _WIN32
# include <io.h> // isatty()
# define isatty _isatty
#endif
#include <simgear/compiler.h>
#include <string>
#include <boost/algorithm/string/compare.hpp>
#include <boost/algorithm/string/predicate.hpp>
#include <simgear/constants.h>
#include <simgear/debug/logstream.hxx>
#include <simgear/structure/exception.hxx>
#include <simgear/structure/event_mgr.hxx>
#include <simgear/structure/SGPerfMon.hxx>
#include <simgear/misc/sg_path.hxx>
#include <simgear/misc/sg_dir.hxx>
#include <simgear/misc/sgstream.hxx>
#include <simgear/misc/strutils.hxx>
#include <simgear/props/props_io.hxx>
#include <simgear/misc/interpolator.hxx>
#include <simgear/scene/material/matlib.hxx>
#include <simgear/scene/model/particles.hxx>
#include <Aircraft/controls.hxx>
#include <Aircraft/replay.hxx>
#include <Airports/runways.hxx>
#include <Airports/simple.hxx>
#include <Airports/dynamics.hxx>
#include <AIModel/AIManager.hxx>
#include <ATCDCL/ATISmgr.hxx>
#include <ATC/atc_mgr.hxx>
#include <Autopilot/route_mgr.hxx>
#include <Autopilot/autopilotgroup.hxx>
#include <Cockpit/panel.hxx>
#include <Cockpit/panel_io.hxx>
#include <Canvas/canvas_mgr.hxx>
#include <Canvas/gui_mgr.hxx>
#include <GUI/new_gui.hxx>
#include <Input/input.hxx>
#include <Instrumentation/instrument_mgr.hxx>
#include <Model/acmodel.hxx>
#include <Model/modelmgr.hxx>
#include <AIModel/submodel.hxx>
#include <AIModel/AIManager.hxx>
#include <Navaids/navdb.hxx>
#include <Navaids/navlist.hxx>
#include <Scenery/scenery.hxx>
#include <Scenery/tilemgr.hxx>
#include <Scripting/NasalSys.hxx>
#include <Sound/voice.hxx>
#include <Sound/soundmanager.hxx>
#include <Systems/system_mgr.hxx>
#include <Time/light.hxx>
#include <Traffic/TrafficMgr.hxx>
#include <MultiPlayer/multiplaymgr.hxx>
#include <FDM/fdm_shell.hxx>
#include <Environment/ephemeris.hxx>
#include <Environment/environment_mgr.hxx>
#include <Viewer/renderer.hxx>
#include <Viewer/viewmgr.hxx>
#include <Navaids/NavDataCache.hxx>
#include "fg_init.hxx"
#include "fg_io.hxx"
#include "fg_commands.hxx"
#include "fg_props.hxx"
#include "options.hxx"
#include "globals.hxx"
#include "logger.hxx"
#include "main.hxx"
#include "positioninit.hxx"
using std::string;
using namespace boost::algorithm;
// Return the current base package version
string fgBasePackageVersion() {
SGPath base_path( globals->get_fg_root() );
base_path.append("version");
sg_gzifstream in( base_path.str() );
if ( !in.is_open() ) {
SGPath old_path( globals->get_fg_root() );
old_path.append( "Thanks" );
sg_gzifstream old( old_path.str() );
if ( !old.is_open() ) {
return "[none]";
} else {
return "[old version]";
}
}
string version;
in >> version;
return version;
}
template <class T>
bool fgFindAircraftInDir(const SGPath& dirPath, T* obj, bool (T::*pred)(const SGPath& p))
{
if (!dirPath.exists()) {
SG_LOG(SG_GENERAL, SG_WARN, "fgFindAircraftInDir: no such path:" << dirPath.str());
return false;
}
bool recurse = true;
simgear::Dir dir(dirPath);
simgear::PathList setFiles(dir.children(simgear::Dir::TYPE_FILE, "-set.xml"));
simgear::PathList::iterator p;
for (p = setFiles.begin(); p != setFiles.end(); ++p) {
// check file name ends with -set.xml
// if we found a -set.xml at this level, don't recurse any deeper
recurse = false;
bool done = (obj->*pred)(*p);
if (done) {
return true;
}
} // of -set.xml iteration
if (!recurse) {
return false;
}
simgear::PathList subdirs(dir.children(simgear::Dir::TYPE_DIR | simgear::Dir::NO_DOT_OR_DOTDOT));
for (p = subdirs.begin(); p != subdirs.end(); ++p) {
if (p->file() == "CVS") {
continue;
}
if (fgFindAircraftInDir(*p, obj, pred)) {
return true;
}
} // of subdirs iteration
return false;
}
template <class T>
void fgFindAircraft(T* obj, bool (T::*pred)(const SGPath& p))
{
const string_list& paths(globals->get_aircraft_paths());
string_list::const_iterator it = paths.begin();
for (; it != paths.end(); ++it) {
bool done = fgFindAircraftInDir(SGPath(*it), obj, pred);
if (done) {
return;
}
} // of aircraft paths iteration
// if we reach this point, search the default location (always last)
SGPath rootAircraft(globals->get_fg_root());
rootAircraft.append("Aircraft");
fgFindAircraftInDir(rootAircraft, obj, pred);
}
class FindAndCacheAircraft
{
public:
FindAndCacheAircraft(SGPropertyNode* autoSave)
{
_cache = autoSave->getNode("sim/startup/path-cache", true);
}
bool loadAircraft()
{
std::string aircraft = fgGetString( "/sim/aircraft", "");
if (aircraft.empty()) {
SG_LOG(SG_GENERAL, SG_ALERT, "no aircraft specified");
return false;
}
_searchAircraft = aircraft + "-set.xml";
std::string aircraftDir = fgGetString("/sim/aircraft-dir", "");
if (!aircraftDir.empty()) {
// aircraft-dir was set, skip any searching at all, if it's valid
simgear::Dir acPath(aircraftDir);
SGPath setFile = acPath.file(_searchAircraft);
if (setFile.exists()) {
SG_LOG(SG_GENERAL, SG_INFO, "found aircraft in dir: " << aircraftDir );
try {
readProperties(setFile.str(), globals->get_props());
} catch ( const sg_exception &e ) {
SG_LOG(SG_INPUT, SG_ALERT, "Error reading aircraft: " << e.getFormattedMessage());
return false;
}
return true;
} else {
SG_LOG(SG_GENERAL, SG_ALERT, "aircraft '" << _searchAircraft <<
"' not found in specified dir:" << aircraftDir);
return false;
}
}
if (!checkCache()) {
// prepare cache for re-scan
SGPropertyNode *n = _cache->getNode("fg-root", true);
n->setStringValue(globals->get_fg_root().c_str());
n->setAttribute(SGPropertyNode::USERARCHIVE, true);
n = _cache->getNode("fg-aircraft", true);
n->setStringValue(getAircraftPaths().c_str());
n->setAttribute(SGPropertyNode::USERARCHIVE, true);
_cache->removeChildren("aircraft");
fgFindAircraft(this, &FindAndCacheAircraft::checkAircraft);
}
if (_foundPath.str().empty()) {
SG_LOG(SG_GENERAL, SG_ALERT, "Cannot find specified aircraft: " << aircraft );
return false;
}
SG_LOG(SG_GENERAL, SG_INFO, "Loading aircraft -set file from:" << _foundPath.str());
fgSetString( "/sim/aircraft-dir", _foundPath.dir().c_str());
if (!_foundPath.exists()) {
SG_LOG(SG_GENERAL, SG_ALERT, "Unable to find -set file:" << _foundPath.str());
return false;
}
try {
readProperties(_foundPath.str(), globals->get_props());
} catch ( const sg_exception &e ) {
SG_LOG(SG_INPUT, SG_ALERT, "Error reading aircraft: " << e.getFormattedMessage());
return false;
}
return true;
}
private:
SGPath getAircraftPaths() {
string_list pathList = globals->get_aircraft_paths();
SGPath aircraftPaths;
string_list::const_iterator it = pathList.begin();
if (it != pathList.end()) {
aircraftPaths.set(*it);
it++;
}
for (; it != pathList.end(); ++it) {
aircraftPaths.add(*it);
}
return aircraftPaths;
}
bool checkCache()
{
if (globals->get_fg_root() != _cache->getStringValue("fg-root", "")) {
return false; // cache mismatch
}
if (getAircraftPaths().str() != _cache->getStringValue("fg-aircraft", "")) {
return false; // cache mismatch
}
vector<SGPropertyNode_ptr> cache = _cache->getChildren("aircraft");
for (unsigned int i = 0; i < cache.size(); i++) {
const char *name = cache[i]->getStringValue("file", "");
if (!boost::equals(_searchAircraft, name, is_iequal())) {
continue;
}
SGPath xml(cache[i]->getStringValue("path", ""));
xml.append(name);
if (xml.exists()) {
_foundPath = xml;
return true;
}
return false;
} // of aircraft in cache iteration
return false;
}
bool checkAircraft(const SGPath& p)
{
// create cache node
int i = 0;
while (1) {
if (!_cache->getChild("aircraft", i++, false))
break;
}
SGPropertyNode *n, *entry = _cache->getChild("aircraft", --i, true);
std::string fileName(p.file());
n = entry->getNode("file", true);
n->setStringValue(fileName);
n->setAttribute(SGPropertyNode::USERARCHIVE, true);
n = entry->getNode("path", true);
n->setStringValue(p.dir());
n->setAttribute(SGPropertyNode::USERARCHIVE, true);
if ( boost::equals(fileName, _searchAircraft.c_str(), is_iequal()) ) {
_foundPath = p;
return true;
}
return false;
}
std::string _searchAircraft;
SGPath _foundPath;
SGPropertyNode* _cache;
};
#ifdef _WIN32
static SGPath platformDefaultDataPath()
{
char *envp = ::getenv( "APPDATA" );
SGPath config( envp );
config.append( "flightgear.org" );
return config;
}
#elif __APPLE__
#include <CoreServices/CoreServices.h>
static SGPath platformDefaultDataPath()
{
FSRef ref;
OSErr err = FSFindFolder(kUserDomain, kApplicationSupportFolderType, false, &ref);
if (err) {
return SGPath();
}
unsigned char path[1024];
if (FSRefMakePath(&ref, path, 1024) != noErr) {
return SGPath();
}
SGPath appData;
appData.set((const char*) path);
appData.append("FlightGear");
return appData;
}
#else
static SGPath platformDefaultDataPath()
{
SGPath config( homedir );
config.append( ".fgfs" );
return config;
}
#endif
// Read in configuration (file and command line)
bool fgInitConfig ( int argc, char **argv )
{
SGPath dataPath = platformDefaultDataPath();
const char *fg_home = getenv("FG_HOME");
if (fg_home)
dataPath = fg_home;
globals->set_fg_home(dataPath.c_str());
simgear::Dir exportDir(simgear::Dir(dataPath).file("Export"));
if (!exportDir.exists()) {
exportDir.create(0777);
}
// Set /sim/fg-home and don't allow malign code to override it until
// Nasal security is set up. Use FG_HOME if necessary.
SGPropertyNode *home = fgGetNode("/sim", true);
home->removeChild("fg-home", 0, false);
home = home->getChild("fg-home", 0, true);
home->setStringValue(dataPath.c_str());
home->setAttribute(SGPropertyNode::WRITE, false);
flightgear::Options::sharedInstance()->init(argc, argv, dataPath);
// Read global preferences from $FG_ROOT/preferences.xml
SG_LOG(SG_INPUT, SG_INFO, "Reading global preferences");
fgLoadProps("preferences.xml", globals->get_props());
SG_LOG(SG_INPUT, SG_INFO, "Finished Reading global preferences");
// do not load user settings when reset to default is requested
if (flightgear::Options::sharedInstance()->isOptionSet("restore-defaults"))
{
SG_LOG(SG_ALL, SG_ALERT, "Ignoring user settings. Restoring defaults.");
}
else
{
globals->loadUserSettings(dataPath);
}
// Scan user config files and command line for a specified aircraft.
flightgear::Options::sharedInstance()->initAircraft();
FindAndCacheAircraft f(globals->get_props());
if (!f.loadAircraft()) {
return false;
}
// parse options after loading aircraft to ensure any user
// overrides of defaults are honored.
flightgear::Options::sharedInstance()->processOptions();
return true;
}
/**
* Initialize vor/ndb/ils/fix list management and query systems (as
* well as simple airport db list)
*/
bool
fgInitNav ()
{
flightgear::NavDataCache* cache = flightgear::NavDataCache::instance();
if (cache->isRebuildRequired()) {
SGTimeStamp st;
st.stamp();
cache->rebuild();
SG_LOG(SG_GENERAL, SG_INFO, "rebuilding NavDataCache took:" << st.elapsedMSec());
}
FGTACANList *channellist = new FGTACANList;
globals->set_channellist( channellist );
SGPath path(globals->get_fg_root());
path.append( "Navaids/TACAN_freq.dat" );
flightgear::loadTacan(path, channellist);
return true;
}
// General house keeping initializations
bool fgInitGeneral() {
string root;
SG_LOG( SG_GENERAL, SG_INFO, "General Initialization" );
SG_LOG( SG_GENERAL, SG_INFO, "======= ==============" );
root = globals->get_fg_root();
if ( ! root.length() ) {
// No root path set? Then bail ...
SG_LOG( SG_GENERAL, SG_ALERT,
"Cannot continue without a path to the base package "
<< "being defined." );
exit(-1);
}
SG_LOG( SG_GENERAL, SG_INFO, "FG_ROOT = " << '"' << root << '"' << endl );
// Note: browser command is hard-coded for Mac/Windows, so this only affects other platforms
globals->set_browser(fgGetString("/sim/startup/browser-app", WEB_BROWSER));
fgSetString("/sim/startup/browser-app", globals->get_browser());
simgear::Dir cwd(simgear::Dir::current());
SGPropertyNode *curr = fgGetNode("/sim", true);
curr->removeChild("fg-current", 0, false);
curr = curr->getChild("fg-current", 0, true);
curr->setStringValue(cwd.path().str());
curr->setAttribute(SGPropertyNode::WRITE, false);
fgSetBool("/sim/startup/stdout-to-terminal", isatty(1) != 0 );
fgSetBool("/sim/startup/stderr-to-terminal", isatty(2) != 0 );
return true;
}
// This is the top level init routine which calls all the other
// initialization routines. If you are adding a subsystem to flight
// gear, its initialization call should located in this routine.
// Returns non-zero if a problem encountered.
void fgCreateSubsystems() {
SG_LOG( SG_GENERAL, SG_INFO, "Creating Subsystems");
SG_LOG( SG_GENERAL, SG_INFO, "========== ==========");
////////////////////////////////////////////////////////////////////
// Initialize the sound subsystem.
////////////////////////////////////////////////////////////////////
// Sound manager uses an own subsystem group "SOUND" which is the last
// to be updated in every loop.
// Sound manager is updated last so it can use the CPU while the GPU
// is processing the scenery (doubled the frame-rate for me) -EMH-
globals->add_subsystem("sound", new FGSoundManager, SGSubsystemMgr::SOUND);
////////////////////////////////////////////////////////////////////
// Initialize the event manager subsystem.
////////////////////////////////////////////////////////////////////
globals->get_event_mgr()->init();
globals->get_event_mgr()->setRealtimeProperty(fgGetNode("/sim/time/delta-realtime-sec", true));
////////////////////////////////////////////////////////////////////
// Initialize the property interpolator subsystem. Put into the INIT
// group because the "nasal" subsystem may need it at GENERAL take-down.
////////////////////////////////////////////////////////////////////
globals->add_subsystem("interpolator", new SGInterpolator, SGSubsystemMgr::INIT);
////////////////////////////////////////////////////////////////////
// Add the FlightGear property utilities.
////////////////////////////////////////////////////////////////////
globals->add_subsystem("properties", new FGProperties);
////////////////////////////////////////////////////////////////////
// Add the performance monitoring system.
////////////////////////////////////////////////////////////////////
globals->add_subsystem("performance-mon",
new SGPerformanceMonitor(globals->get_subsystem_mgr(),
fgGetNode("/sim/performance-monitor", true)));
////////////////////////////////////////////////////////////////////
// Initialize the material property subsystem.
////////////////////////////////////////////////////////////////////
SGPath mpath( globals->get_fg_root() );
mpath.append( fgGetString("/sim/rendering/materials-file") );
if ( ! globals->get_matlib()->load(globals->get_fg_root(), mpath.str(),
globals->get_props()) ) {
SG_LOG( SG_GENERAL, SG_ALERT,
"Error loading materials file " << mpath.str() );
exit(-1);
}
////////////////////////////////////////////////////////////////////
// Initialize the scenery management subsystem.
////////////////////////////////////////////////////////////////////
globals->get_scenery()->get_scene_graph()
->addChild(simgear::Particles::getCommonRoot());
simgear::GlobalParticleCallback::setSwitch(fgGetNode("/sim/rendering/particles", true));
////////////////////////////////////////////////////////////////////
// Initialize the flight model subsystem.
////////////////////////////////////////////////////////////////////
globals->add_subsystem("flight", new FDMShell, SGSubsystemMgr::FDM);
////////////////////////////////////////////////////////////////////
// Initialize the weather subsystem.
////////////////////////////////////////////////////////////////////
// Initialize the weather modeling subsystem
globals->add_subsystem("environment", new FGEnvironmentMgr);
globals->add_subsystem("ephemeris", new Ephemeris);
////////////////////////////////////////////////////////////////////
// Initialize the aircraft systems and instrumentation (before the
// autopilot.)
////////////////////////////////////////////////////////////////////
globals->add_subsystem("systems", new FGSystemMgr, SGSubsystemMgr::FDM);
globals->add_subsystem("instrumentation", new FGInstrumentMgr, SGSubsystemMgr::FDM);
////////////////////////////////////////////////////////////////////
// Initialize the XML Autopilot subsystem.
////////////////////////////////////////////////////////////////////
globals->add_subsystem( "xml-autopilot", FGXMLAutopilotGroup::createInstance("autopilot"), SGSubsystemMgr::FDM );
globals->add_subsystem( "xml-proprules", FGXMLAutopilotGroup::createInstance("property-rule"), SGSubsystemMgr::GENERAL );
globals->add_subsystem( "route-manager", new FGRouteMgr );
////////////////////////////////////////////////////////////////////
// Initialize the Input-Output subsystem
////////////////////////////////////////////////////////////////////
globals->add_subsystem( "io", new FGIO );
////////////////////////////////////////////////////////////////////
// Create and register the logger.
////////////////////////////////////////////////////////////////////
globals->add_subsystem("logger", new FGLogger);
////////////////////////////////////////////////////////////////////
// Create and register the XML GUI.
////////////////////////////////////////////////////////////////////
globals->add_subsystem("gui", new NewGUI, SGSubsystemMgr::INIT);
//////////////////////////////////////////////////////////////////////
// Initialize the 2D cloud subsystem.
////////////////////////////////////////////////////////////////////
fgGetBool("/sim/rendering/bump-mapping", false);
////////////////////////////////////////////////////////////////////
// Initialize the canvas 2d drawing subsystem.
////////////////////////////////////////////////////////////////////
globals->add_subsystem("Canvas", new CanvasMgr, SGSubsystemMgr::DISPLAY);
globals->add_subsystem("CanvasGUI", new GUIMgr, SGSubsystemMgr::DISPLAY);
////////////////////////////////////////////////////////////////////
// Initialise the ATIS Manager
// Note that this is old stuff, but is necessary for the
// current ATIS implementation. Therefore, leave it in here
// until the ATIS system is ported over to make use of the ATIS
// sub system infrastructure.
////////////////////////////////////////////////////////////////////
globals->add_subsystem("ATIS", new FGATISMgr, SGSubsystemMgr::INIT, 0.4);
////////////////////////////////////////////////////////////////////
// Initialize the ATC subsystem
////////////////////////////////////////////////////////////////////
globals->add_subsystem("ATC", new FGATCManager, SGSubsystemMgr::POST_FDM);
////////////////////////////////////////////////////////////////////
// Initialize multiplayer subsystem
////////////////////////////////////////////////////////////////////
globals->add_subsystem("mp", new FGMultiplayMgr, SGSubsystemMgr::POST_FDM);
////////////////////////////////////////////////////////////////////
// Initialise the AI Model Manager
////////////////////////////////////////////////////////////////////
SG_LOG(SG_GENERAL, SG_INFO, " AI Model Manager");
globals->add_subsystem("ai-model", new FGAIManager, SGSubsystemMgr::POST_FDM);
globals->add_subsystem("submodel-mgr", new FGSubmodelMgr, SGSubsystemMgr::POST_FDM);
// It's probably a good idea to initialize the top level traffic manager
// After the AI and ATC systems have been initialized properly.
// AI Traffic manager
globals->add_subsystem("traffic-manager", new FGTrafficManager, SGSubsystemMgr::POST_FDM);
////////////////////////////////////////////////////////////////////
// Add a new 2D panel.
////////////////////////////////////////////////////////////////////
fgSetArchivable("/sim/panel/visibility");
fgSetArchivable("/sim/panel/x-offset");
fgSetArchivable("/sim/panel/y-offset");
fgSetArchivable("/sim/panel/jitter");
////////////////////////////////////////////////////////////////////
// Initialize the controls subsystem.
////////////////////////////////////////////////////////////////////
globals->add_subsystem("controls", new FGControls);
////////////////////////////////////////////////////////////////////
// Initialize the input subsystem.
////////////////////////////////////////////////////////////////////
globals->add_subsystem("input", new FGInput);
////////////////////////////////////////////////////////////////////
// Initialize the replay subsystem
////////////////////////////////////////////////////////////////////
globals->add_subsystem("replay", new FGReplay);
#ifdef ENABLE_AUDIO_SUPPORT
////////////////////////////////////////////////////////////////////
// Initialize the sound-effects subsystem.
////////////////////////////////////////////////////////////////////
globals->add_subsystem("voice", new FGVoiceMgr, SGSubsystemMgr::DISPLAY);
#endif
////////////////////////////////////////////////////////////////////
// Initialize the lighting subsystem.
////////////////////////////////////////////////////////////////////
globals->add_subsystem("lighting", new FGLight, SGSubsystemMgr::DISPLAY);
// ordering here is important : Nasal (via events), then models, then views
globals->add_subsystem("events", globals->get_event_mgr(), SGSubsystemMgr::DISPLAY);
globals->add_subsystem("aircraft-model", new FGAircraftModel, SGSubsystemMgr::DISPLAY);
globals->add_subsystem("model-manager", new FGModelMgr, SGSubsystemMgr::DISPLAY);
FGViewMgr *viewmgr = new FGViewMgr;
globals->set_viewmgr( viewmgr );
globals->add_subsystem("view-manager", viewmgr, SGSubsystemMgr::DISPLAY);
globals->add_subsystem("tile-manager", globals->get_tile_mgr(),
SGSubsystemMgr::DISPLAY);
}
void fgPostInitSubsystems()
{
SGTimeStamp st;
st.stamp();
////////////////////////////////////////////////////////////////////////
// Initialize the Nasal interpreter.
// Do this last, so that the loaded scripts see initialized state
////////////////////////////////////////////////////////////////////////
FGNasalSys* nasal = new FGNasalSys();
globals->add_subsystem("nasal", nasal, SGSubsystemMgr::INIT);
nasal->init();
SG_LOG(SG_GENERAL, SG_INFO, "Nasal init took:" << st.elapsedMSec());
// initialize methods that depend on other subsystems.
st.stamp();
globals->get_subsystem_mgr()->postinit();
SG_LOG(SG_GENERAL, SG_INFO, "Subsystems postinit took:" << st.elapsedMSec());
////////////////////////////////////////////////////////////////////
// TODO FIXME! UGLY KLUDGE!
////////////////////////////////////////////////////////////////////
{
/* Scenarios require Nasal, so FGAIManager loads the scenarios,
* including its models such as a/c carriers, in its 'postinit',
* which is the very last thing we do.
* flightgear::initPosition is called very early in main.cxx/fgIdleFunction,
* one of the first things we do, long before scenarios/carriers are
* loaded. => When requested "initial preset position" relates to a
* carrier, recalculate the 'initial' position here (how have things
* ever worked before this hack - this init sequence has always been
* this way...?)*/
std::string carrier = fgGetString("/sim/presets/carrier","");
if (carrier != "")
{
// clear preset location and re-trigger position setup
fgSetDouble("/sim/presets/longitude-deg", 9999);
fgSetDouble("/sim/presets/latitude-deg", 9999);
flightgear::initPosition();
}
}
////////////////////////////////////////////////////////////////////////
// End of subsystem initialization.
////////////////////////////////////////////////////////////////////
fgSetBool("/sim/crashed", false);
fgSetBool("/sim/initialized", true);
SG_LOG( SG_GENERAL, SG_INFO, endl);
// Save the initial state for future
// reference.
globals->saveInitialState();
}
// Reset: this is what the 'reset' command (and hence, GUI) is attached to
void fgReInitSubsystems()
{
static const SGPropertyNode *master_freeze
= fgGetNode("/sim/freeze/master");
SG_LOG( SG_GENERAL, SG_INFO, "fgReInitSubsystems()");
// setup state to begin re-init
bool freeze = master_freeze->getBoolValue();
if ( !freeze ) {
fgSetBool("/sim/freeze/master", true);
}
fgSetBool("/sim/signals/reinit", true);
fgSetBool("/sim/crashed", false);
// do actual re-init steps
globals->get_subsystem("flight")->unbind();
// reset control state, before restoring initial state; -set or config files
// may specify values for flaps, trim tabs, magnetos, etc
globals->get_controls()->reset_all();
globals->restoreInitialState();
// update our position based on current presets
flightgear::initPosition();
// Force reupdating the positions of the ai 3d models. They are used for
// initializing ground level for the FDM.
globals->get_subsystem("ai-model")->reinit();
// Initialize the FDM
globals->get_subsystem("flight")->reinit();
// reset replay buffers
globals->get_subsystem("replay")->reinit();
// reload offsets from config defaults
globals->get_viewmgr()->reinit();
globals->get_subsystem("time")->reinit();
// need to bind FDMshell again, since we manually unbound it above...
globals->get_subsystem("flight")->bind();
// need to reset aircraft (systems/instruments) so they can adapt to current environment
globals->get_subsystem("systems")->reinit();
globals->get_subsystem("instrumentation")->reinit();
// setup state to end re-init
fgSetBool("/sim/signals/reinit", false);
if ( !freeze ) {
fgSetBool("/sim/freeze/master", false);
}
fgSetBool("/sim/sceneryloaded",false);
}
///////////////////////////////////////////////////////////////////////////////
// helper object to implement the --show-aircraft command.
// resides here so we can share the fgFindAircraftInDir template above,
// and hence ensure this command lists exectly the same aircraft as the normal
// loading path.
class ShowAircraft
{
public:
ShowAircraft()
{
_minStatus = getNumMaturity(fgGetString("/sim/aircraft-min-status", "all"));
}
void show(const SGPath& path)
{
fgFindAircraftInDir(path, this, &ShowAircraft::processAircraft);
std::sort(_aircraft.begin(), _aircraft.end(), ciLessLibC());
SG_LOG( SG_GENERAL, SG_ALERT, "" ); // To popup the console on Windows
cout << "Available aircraft:" << endl;
for ( unsigned int i = 0; i < _aircraft.size(); i++ ) {
cout << _aircraft[i] << endl;
}
}
private:
bool processAircraft(const SGPath& path)
{
SGPropertyNode root;
try {
readProperties(path.str(), &root);
} catch (sg_exception& ) {
return false;
}
int maturity = 0;
string descStr(" ");
descStr += path.file();
// trim common suffix from file names
int nPos = descStr.rfind("-set.xml");
if (nPos == (int)(descStr.size() - 8)) {
descStr.resize(nPos);
}
SGPropertyNode *node = root.getNode("sim");
if (node) {
SGPropertyNode* desc = node->getNode("description");
// if a status tag is found, read it in
if (node->hasValue("status")) {
maturity = getNumMaturity(node->getStringValue("status"));
}
if (desc) {
if (descStr.size() <= 27+3) {
descStr.append(29+3-descStr.size(), ' ');
} else {
descStr += '\n';
descStr.append( 32, ' ');
}
descStr += desc->getStringValue();
}
} // of have 'sim' node
if (maturity < _minStatus) {
return false;
}
_aircraft.push_back(descStr);
return false;
}
int getNumMaturity(const char * str)
{
// changes should also be reflected in $FG_ROOT/data/options.xml &
// $FG_ROOT/data/Translations/string-default.xml
const char* levels[] = {"alpha","beta","early-production","production"};
if (!strcmp(str, "all")) {
return 0;
}
for (size_t i=0; i<(sizeof(levels)/sizeof(levels[0]));i++)
if (strcmp(str,levels[i])==0)
return i;
return 0;
}
// recommended in Meyers, Effective STL when internationalization and embedded
// NULLs aren't an issue. Much faster than the STL or Boost lex versions.
struct ciLessLibC : public std::binary_function<string, string, bool>
{
bool operator()(const std::string &lhs, const std::string &rhs) const
{
return strcasecmp(lhs.c_str(), rhs.c_str()) < 0 ? 1 : 0;
}
};
int _minStatus;
string_list _aircraft;
};
void fgShowAircraft(const SGPath &path)
{
ShowAircraft s;
s.show(path);
#ifdef _MSC_VER
cout << "Hit a key to continue..." << endl;
cin.get();
#endif
}
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