573 lines
19 KiB
C++
573 lines
19 KiB
C++
// main.cxx -- top level sim routines
|
|
//
|
|
// Written by Curtis Olson, started May 1997.
|
|
//
|
|
// Copyright (C) 1997 - 2002 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 <simgear/compiler.h>
|
|
|
|
#if defined(__linux__) && defined(__i386__)
|
|
# include <fpu_control.h>
|
|
# include <signal.h>
|
|
#endif
|
|
|
|
#include <iostream>
|
|
|
|
#include <osg/Camera>
|
|
#include <osg/GraphicsContext>
|
|
#include <osgDB/Registry>
|
|
|
|
// Class references
|
|
#include <simgear/scene/model/modellib.hxx>
|
|
#include <simgear/scene/material/matlib.hxx>
|
|
#include <simgear/scene/model/animation.hxx>
|
|
#include <simgear/scene/sky/sky.hxx>
|
|
#include <simgear/structure/event_mgr.hxx>
|
|
#include <simgear/props/AtomicChangeListener.hxx>
|
|
#include <simgear/props/props.hxx>
|
|
#include <simgear/timing/sg_time.hxx>
|
|
#include <simgear/timing/timestamp.hxx>
|
|
#include <simgear/magvar/magvar.hxx>
|
|
#include <simgear/math/sg_random.h>
|
|
#include <simgear/io/raw_socket.hxx>
|
|
#include <simgear/scene/tsync/terrasync.hxx>
|
|
|
|
#include <Time/light.hxx>
|
|
#include <Aircraft/replay.hxx>
|
|
#include <Aircraft/controls.hxx>
|
|
#include <Model/panelnode.hxx>
|
|
#include <Model/acmodel.hxx>
|
|
#include <Scenery/scenery.hxx>
|
|
#include <Scenery/tilemgr.hxx>
|
|
#include <Sound/fg_fx.hxx>
|
|
#include <Sound/beacon.hxx>
|
|
#include <Sound/morse.hxx>
|
|
#include <Sound/fg_fx.hxx>
|
|
#include <ATCDCL/ATCmgr.hxx>
|
|
#include <Time/TimeManager.hxx>
|
|
#include <Environment/environment_mgr.hxx>
|
|
#include <GUI/gui.h>
|
|
#include <GUI/new_gui.hxx>
|
|
#include <MultiPlayer/multiplaymgr.hxx>
|
|
|
|
#include "CameraGroup.hxx"
|
|
#include "fg_commands.hxx"
|
|
#include "fg_io.hxx"
|
|
#include "renderer.hxx"
|
|
#include "splash.hxx"
|
|
#include "main.hxx"
|
|
#include "util.hxx"
|
|
#include "fg_init.hxx"
|
|
#include "fg_os.hxx"
|
|
#include "WindowSystemAdapter.hxx"
|
|
#include <Main/viewer.hxx>
|
|
#include <Main/fg_props.hxx>
|
|
|
|
using namespace flightgear;
|
|
|
|
using std::cerr;
|
|
|
|
// Specify our current idle function state. This is used to run all
|
|
// our initializations out of the idle callback so that we can get a
|
|
// splash screen up and running right away.
|
|
int idle_state = 0;
|
|
|
|
// The atexit() function handler should know when the graphical subsystem
|
|
// is initialized.
|
|
extern int _bootstrap_OSInit;
|
|
|
|
|
|
void fgInitSoundManager()
|
|
{
|
|
SGSoundMgr *smgr = globals->get_soundmgr();
|
|
|
|
smgr->bind();
|
|
smgr->init(fgGetString("/sim/sound/device-name", NULL));
|
|
|
|
vector <const char*>devices = smgr->get_available_devices();
|
|
for (unsigned int i=0; i<devices.size(); i++) {
|
|
SGPropertyNode *p = fgGetNode("/sim/sound/devices/device", i, true);
|
|
p->setStringValue(devices[i]);
|
|
}
|
|
devices.clear();
|
|
}
|
|
|
|
void fgSetNewSoundDevice(const char *device)
|
|
{
|
|
SGSoundMgr *smgr = globals->get_soundmgr();
|
|
smgr->suspend();
|
|
smgr->stop();
|
|
smgr->init(device);
|
|
smgr->resume();
|
|
}
|
|
|
|
// Update sound manager state (init/suspend/resume) and propagate property values,
|
|
// since the sound manager doesn't read any properties itself.
|
|
// Actual sound update is triggered by the subsystem manager.
|
|
static void fgUpdateSound(double dt)
|
|
{
|
|
#ifdef ENABLE_AUDIO_SUPPORT
|
|
static bool smgr_init = true;
|
|
static SGPropertyNode *sound_working = fgGetNode("/sim/sound/working");
|
|
if (smgr_init == true) {
|
|
if (sound_working->getBoolValue() == true) {
|
|
fgInitSoundManager();
|
|
smgr_init = false;
|
|
}
|
|
} else {
|
|
static SGPropertyNode *sound_enabled = fgGetNode("/sim/sound/enabled");
|
|
static SGSoundMgr *smgr = globals->get_soundmgr();
|
|
static bool smgr_enabled = true;
|
|
|
|
if (sound_working->getBoolValue() == false) { // request to reinit
|
|
smgr->reinit();
|
|
smgr->resume();
|
|
sound_working->setBoolValue(true);
|
|
}
|
|
|
|
if (smgr_enabled != sound_enabled->getBoolValue()) {
|
|
if (smgr_enabled == true) { // request to suspend
|
|
smgr->suspend();
|
|
smgr_enabled = false;
|
|
} else {
|
|
smgr->resume();
|
|
smgr_enabled = true;
|
|
}
|
|
}
|
|
|
|
if (smgr_enabled == true) {
|
|
static SGPropertyNode *volume = fgGetNode("/sim/sound/volume");
|
|
smgr->set_volume(volume->getFloatValue());
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
static void fgLoadInitialScenery()
|
|
{
|
|
static SGPropertyNode_ptr scenery_loaded
|
|
= fgGetNode("sim/sceneryloaded", true);
|
|
|
|
if (!scenery_loaded->getBoolValue())
|
|
{
|
|
if (globals->get_tile_mgr()->isSceneryLoaded()
|
|
&& fgGetBool("sim/fdm-initialized")) {
|
|
fgSetBool("sim/sceneryloaded",true);
|
|
fgSplashProgress("");
|
|
if (fgGetBool("/sim/sound/working")) {
|
|
globals->get_soundmgr()->activate();
|
|
}
|
|
globals->get_props()->tie("/sim/sound/devices/name",
|
|
SGRawValueFunctions<const char *>(0, fgSetNewSoundDevice), false);
|
|
}
|
|
else
|
|
{
|
|
fgSplashProgress("loading scenery");
|
|
// be nice to loader threads while waiting for initial scenery, reduce to 2fps
|
|
SGTimeStamp::sleepForMSec(500);
|
|
}
|
|
}
|
|
}
|
|
|
|
// What should we do when we have nothing else to do? Let's get ready
|
|
// for the next move and update the display?
|
|
static void fgMainLoop( void )
|
|
{
|
|
static SGPropertyNode_ptr frame_signal
|
|
= fgGetNode("/sim/signals/frame", true);
|
|
|
|
frame_signal->fireValueChanged();
|
|
|
|
SG_LOG( SG_GENERAL, SG_DEBUG, "Running Main Loop");
|
|
SG_LOG( SG_GENERAL, SG_DEBUG, "======= ==== ====");
|
|
|
|
// compute simulated time (allowing for pause, warp, etc) and
|
|
// real elapsed time
|
|
double sim_dt, real_dt;
|
|
TimeManager* timeMgr = (TimeManager*) globals->get_subsystem("time");
|
|
timeMgr->computeTimeDeltas(sim_dt, real_dt);
|
|
|
|
// update magvar model
|
|
globals->get_mag()->update( globals->get_aircraft_position(),
|
|
globals->get_time_params()->getJD() );
|
|
|
|
// Propagate sound manager properties (note: actual update is triggered
|
|
// by the subsystem manager).
|
|
fgUpdateSound(sim_dt);
|
|
|
|
// update all subsystems
|
|
globals->get_subsystem_mgr()->update(sim_dt);
|
|
|
|
// END Tile Manager updates
|
|
fgLoadInitialScenery();
|
|
|
|
simgear::AtomicChangeListener::fireChangeListeners();
|
|
|
|
SG_LOG( SG_GENERAL, SG_DEBUG, "" );
|
|
}
|
|
|
|
// Operation for querying OpenGL parameters. This must be done in a
|
|
// valid OpenGL context, potentially in another thread.
|
|
namespace
|
|
{
|
|
struct GeneralInitOperation : public GraphicsContextOperation
|
|
{
|
|
GeneralInitOperation()
|
|
: GraphicsContextOperation(std::string("General init"))
|
|
{
|
|
}
|
|
void run(osg::GraphicsContext* gc)
|
|
{
|
|
SGPropertyNode* simRendering = fgGetNode("/sim/rendering");
|
|
|
|
simRendering->setStringValue("gl-vendor", (char*) glGetString(GL_VENDOR));
|
|
SG_LOG( SG_GENERAL, SG_INFO, glGetString(GL_VENDOR));
|
|
|
|
simRendering->setStringValue("gl-renderer", (char*) glGetString(GL_RENDERER));
|
|
SG_LOG( SG_GENERAL, SG_INFO, glGetString(GL_RENDERER));
|
|
|
|
simRendering->setStringValue("gl-version", (char*) glGetString(GL_VERSION));
|
|
SG_LOG( SG_GENERAL, SG_INFO, glGetString(GL_VERSION));
|
|
|
|
GLint tmp;
|
|
glGetIntegerv( GL_MAX_TEXTURE_SIZE, &tmp );
|
|
simRendering->setIntValue("max-texture-size", tmp);
|
|
|
|
glGetIntegerv( GL_DEPTH_BITS, &tmp );
|
|
simRendering->setIntValue("depth-buffer-bits", tmp);
|
|
}
|
|
};
|
|
|
|
|
|
osg::Node* load_panel(SGPropertyNode *n)
|
|
{
|
|
osg::Geode* geode = new osg::Geode;
|
|
geode->addDrawable(new FGPanelNode(n));
|
|
return geode;
|
|
}
|
|
|
|
SGPath resolve_path(const std::string& s)
|
|
{
|
|
return globals->resolve_maybe_aircraft_path(s);
|
|
}
|
|
|
|
}
|
|
|
|
// This is the top level master main function that is registered as
|
|
// our idle function
|
|
|
|
// The first few passes take care of initialization things (a couple
|
|
// per pass) and once everything has been initialized fgMainLoop from
|
|
// then on.
|
|
|
|
static void fgIdleFunction ( void ) {
|
|
static osg::ref_ptr<GeneralInitOperation> genOp;
|
|
if ( idle_state == 0 ) {
|
|
idle_state++;
|
|
// Pick some window on which to do queries.
|
|
// XXX Perhaps all this graphics initialization code should be
|
|
// moved to renderer.cxx?
|
|
genOp = new GeneralInitOperation;
|
|
osg::Camera* guiCamera = getGUICamera(CameraGroup::getDefault());
|
|
WindowSystemAdapter* wsa = WindowSystemAdapter::getWSA();
|
|
osg::GraphicsContext* gc = 0;
|
|
if (guiCamera)
|
|
gc = guiCamera->getGraphicsContext();
|
|
if (gc) {
|
|
gc->add(genOp.get());
|
|
} else {
|
|
wsa->windows[0]->gc->add(genOp.get());
|
|
}
|
|
guiStartInit(gc);
|
|
} else if ( idle_state == 1 ) {
|
|
if (genOp.valid()) {
|
|
if (!genOp->isFinished())
|
|
return;
|
|
genOp = 0;
|
|
}
|
|
if (!guiFinishInit())
|
|
return;
|
|
idle_state++;
|
|
fgSplashProgress("loading aircraft list");
|
|
|
|
} else if ( idle_state == 2 ) {
|
|
idle_state++;
|
|
fgSplashProgress("loading navigation data");
|
|
|
|
} else if ( idle_state == 3 ) {
|
|
idle_state++;
|
|
fgInitNav();
|
|
|
|
fgSplashProgress("initializing scenery system");
|
|
|
|
} else if ( idle_state == 4 ) {
|
|
idle_state++;
|
|
// based on the requested presets, calculate the true starting
|
|
// lon, lat
|
|
fgInitPosition();
|
|
fgInitTowerLocationListener();
|
|
|
|
TimeManager* t = new TimeManager;
|
|
globals->add_subsystem("time", t, SGSubsystemMgr::INIT);
|
|
t->init(); // need to init now, not during initSubsystems
|
|
|
|
// Do some quick general initializations
|
|
if( !fgInitGeneral()) {
|
|
SG_LOG( SG_GENERAL, SG_ALERT,
|
|
"General initialization failed ..." );
|
|
exit(-1);
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Initialize the property-based built-in commands
|
|
////////////////////////////////////////////////////////////////////
|
|
fgInitCommands();
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Initialize the material manager
|
|
////////////////////////////////////////////////////////////////////
|
|
globals->set_matlib( new SGMaterialLib );
|
|
simgear::SGModelLib::init(globals->get_fg_root(), globals->get_props());
|
|
simgear::SGModelLib::setPanelFunc(load_panel);
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Initialize the TG scenery subsystem.
|
|
////////////////////////////////////////////////////////////////////
|
|
simgear::SGTerraSync* terra_sync = new simgear::SGTerraSync(globals->get_props());
|
|
globals->add_subsystem("terrasync", terra_sync);
|
|
globals->set_scenery( new FGScenery );
|
|
globals->get_scenery()->init();
|
|
globals->get_scenery()->bind();
|
|
globals->set_tile_mgr( new FGTileMgr );
|
|
|
|
fgSplashProgress("loading aircraft");
|
|
|
|
} else if ( idle_state == 5 ) {
|
|
idle_state++;
|
|
|
|
fgSplashProgress("initializing sky elements");
|
|
|
|
} else if ( idle_state == 6 ) {
|
|
idle_state++;
|
|
|
|
// Initialize MagVar model
|
|
SGMagVar *magvar = new SGMagVar();
|
|
globals->set_mag( magvar );
|
|
|
|
|
|
// kludge to initialize mag compass
|
|
// (should only be done for in-flight
|
|
// startup)
|
|
// update magvar model
|
|
globals->get_mag()->update( fgGetDouble("/position/longitude-deg")
|
|
* SGD_DEGREES_TO_RADIANS,
|
|
fgGetDouble("/position/latitude-deg")
|
|
* SGD_DEGREES_TO_RADIANS,
|
|
fgGetDouble("/position/altitude-ft")
|
|
* SG_FEET_TO_METER,
|
|
globals->get_time_params()->getJD() );
|
|
double var = globals->get_mag()->get_magvar() * SGD_RADIANS_TO_DEGREES;
|
|
fgSetDouble("/instrumentation/heading-indicator/offset-deg", -var);
|
|
fgSetDouble("/instrumentation/heading-indicator-fg/offset-deg", -var);
|
|
|
|
fgSplashProgress("initializing subsystems");
|
|
|
|
} else if ( idle_state == 7 ) {
|
|
idle_state++;
|
|
// Initialize audio support
|
|
#ifdef ENABLE_AUDIO_SUPPORT
|
|
|
|
// Start the intro music
|
|
if ( fgGetBool("/sim/startup/intro-music") ) {
|
|
SGPath mp3file( globals->get_fg_root() );
|
|
mp3file.append( "Sounds/intro.mp3" );
|
|
|
|
SG_LOG( SG_GENERAL, SG_INFO,
|
|
"Starting intro music: " << mp3file.str() );
|
|
|
|
# if defined( __CYGWIN__ )
|
|
string command = "start /m `cygpath -w " + mp3file.str() + "`";
|
|
# elif defined( _WIN32 )
|
|
string command = "start /m " + mp3file.str();
|
|
# else
|
|
string command = "mpg123 " + mp3file.str() + "> /dev/null 2>&1";
|
|
# endif
|
|
|
|
if (0 != system ( command.c_str() ))
|
|
{
|
|
SG_LOG( SG_SOUND, SG_WARN,
|
|
"Failed to play mp3 file " << mp3file.str() << ". Maybe mp3 player is not installed." );
|
|
}
|
|
}
|
|
#endif
|
|
// This is the top level init routine which calls all the
|
|
// other subsystem initialization routines. If you are adding
|
|
// a subsystem to flightgear, its initialization call should be
|
|
// located in this routine.
|
|
if( !fgInitSubsystems()) {
|
|
SG_LOG( SG_GENERAL, SG_ALERT,
|
|
"Subsystem initialization failed ..." );
|
|
exit(-1);
|
|
}
|
|
|
|
// Torsten Dreyer:
|
|
// ugly hack for automatic runway selection on startup based on
|
|
// metar data. Makes startup.nas obsolete and guarantees the same
|
|
// runway selection as for AI traffic. However, this code belongs to
|
|
// somewhere(?) else - if I only new where...
|
|
if( true == fgGetBool( "/environment/metar/valid" ) ) {
|
|
SG_LOG(SG_ENVIRONMENT, SG_INFO,
|
|
"Using METAR for runway selection: '" << fgGetString("/environment/metar/data") << "'" );
|
|
// the realwx_ctrl fetches metar in the foreground on init,
|
|
// If it was able to fetch a metar or one was given on the commandline,
|
|
// the valid flag is set here, otherwise it is false
|
|
double hdg = fgGetDouble( "/environment/metar/base-wind-dir-deg", 9999.0 );
|
|
string apt = fgGetString( "/sim/startup/options/airport" );
|
|
string rwy = fgGetString( "/sim/startup/options/runway" );
|
|
double strthdg = fgGetDouble( "/sim/startup/options/heading-deg", 9999.0 );
|
|
string parkpos = fgGetString( "/sim/presets/parkpos" );
|
|
bool onground = fgGetBool( "/sim/presets/onground", false );
|
|
// don't check for wind-speed < 1kt, this belongs to the runway-selection code
|
|
// the other logic is taken from former startup.nas
|
|
if( hdg < 360.0 && apt.length() > 0 && strthdg > 360.0 && rwy.length() == 0 && onground && parkpos.length() == 0 ) {
|
|
extern bool fgSetPosFromAirportIDandHdg( const string& id, double tgt_hdg );
|
|
fgSetPosFromAirportIDandHdg( apt, hdg );
|
|
}
|
|
} else {
|
|
SG_LOG(SG_ENVIRONMENT, SG_INFO,
|
|
"No METAR available to pick active runway" );
|
|
}
|
|
|
|
fgSplashProgress("initializing graphics engine");
|
|
|
|
} else if ( idle_state == 8 ) {
|
|
idle_state = 1000;
|
|
|
|
// setup OpenGL view parameters
|
|
globals->get_renderer()->setupView();
|
|
|
|
globals->get_renderer()->resize( fgGetInt("/sim/startup/xsize"),
|
|
fgGetInt("/sim/startup/ysize") );
|
|
|
|
int session = fgGetInt("/sim/session",0);
|
|
session++;
|
|
fgSetInt("/sim/session",session);
|
|
}
|
|
|
|
if ( idle_state == 1000 ) {
|
|
// We've finished all our initialization steps, from now on we
|
|
// run the main loop.
|
|
fgSetBool("sim/sceneryloaded", false);
|
|
fgRegisterIdleHandler( fgMainLoop );
|
|
}
|
|
}
|
|
|
|
static void upper_case_property(const char *name)
|
|
{
|
|
using namespace simgear;
|
|
SGPropertyNode *p = fgGetNode(name, false);
|
|
if (!p) {
|
|
p = fgGetNode(name, true);
|
|
p->setStringValue("");
|
|
} else {
|
|
props::Type t = p->getType();
|
|
if (t == props::NONE || t == props::UNSPECIFIED)
|
|
p->setStringValue("");
|
|
else
|
|
assert(t == props::STRING);
|
|
}
|
|
p->addChangeListener(new FGMakeUpperCase);
|
|
}
|
|
|
|
|
|
// Main top level initialization
|
|
int fgMainInit( int argc, char **argv ) {
|
|
|
|
// set default log levels
|
|
sglog().setLogLevels( SG_ALL, SG_ALERT );
|
|
|
|
string version;
|
|
#ifdef FLIGHTGEAR_VERSION
|
|
version = FLIGHTGEAR_VERSION;
|
|
#else
|
|
version = "unknown version";
|
|
#endif
|
|
SG_LOG( SG_GENERAL, SG_INFO, "FlightGear: Version "
|
|
<< version );
|
|
SG_LOG( SG_GENERAL, SG_INFO, "Built with " << SG_COMPILER_STR << std::endl );
|
|
|
|
// Allocate global data structures. This needs to happen before
|
|
// we parse command line options
|
|
|
|
globals = new FGGlobals;
|
|
|
|
// seed the random number generator
|
|
sg_srandom_time();
|
|
|
|
FGControls *controls = new FGControls;
|
|
globals->set_controls( controls );
|
|
|
|
string_list *col = new string_list;
|
|
globals->set_channel_options_list( col );
|
|
|
|
fgValidatePath("", false); // initialize static variables
|
|
upper_case_property("/sim/presets/airport-id");
|
|
upper_case_property("/sim/presets/runway");
|
|
upper_case_property("/sim/tower/airport-id");
|
|
upper_case_property("/autopilot/route-manager/input");
|
|
|
|
// Load the configuration parameters. (Command line options
|
|
// override config file options. Config file options override
|
|
// defaults.)
|
|
if ( !fgInitConfig(argc, argv) ) {
|
|
SG_LOG( SG_GENERAL, SG_ALERT, "Config option parsing failed ..." );
|
|
exit(-1);
|
|
}
|
|
|
|
// Initialize the Window/Graphics environment.
|
|
fgOSInit(&argc, argv);
|
|
_bootstrap_OSInit++;
|
|
|
|
fgRegisterIdleHandler( &fgIdleFunction );
|
|
|
|
// Initialize sockets (WinSock needs this)
|
|
simgear::Socket::initSockets();
|
|
|
|
// Clouds3D requires an alpha channel
|
|
fgOSOpenWindow(true /* request stencil buffer */);
|
|
|
|
// Initialize the splash screen right away
|
|
fntInit();
|
|
fgSplashInit();
|
|
|
|
// pass control off to the master event handler
|
|
int result = fgOSMainLoop();
|
|
|
|
// clean up here; ensure we null globals to avoid
|
|
// confusing the atexit() handler
|
|
delete globals;
|
|
globals = NULL;
|
|
|
|
return result;
|
|
}
|