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flightgear/src/Main/fg_init.cxx
James Turner 029012b8b9 Kill off some globals. 
Break some subsystem dependencies, by explicitly using properties to read the primary position, orientation and velocities. (Instead of directly accessing the primary model placement). This means a couple more globals can die.
2012-09-19 18:17:44 +01:00

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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("instrumentation", new FGInstrumentMgr, SGSubsystemMgr::FDM);
globals->add_subsystem("systems", new FGSystemMgr, 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->get_controls()->init();
globals->get_controls()->bind();
////////////////////////////////////////////////////////////////////
// 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.
* fgInitPosition 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();
// 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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