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flightgear/src/Main/fg_init.cxx
curt ebc2fbd684 Exposed the fg_commands though the httpd interface. 
Added a built in command to preset to what ever values are in /sim/presets/
Twiddling with preset code.
2002-11-30 20:10:16 +00:00

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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 - curt@infoplane.com
//
// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
//
//
// $Id$
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
// For BC 5.01 this must be included before OpenGL includes.
#ifdef SG_MATH_EXCEPTION_CLASH
# include <math.h>
#endif
#ifdef HAVE_WINDOWS_H
# include <windows.h>
#endif
#include <GL/glut.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h> // strcmp()
#if defined( unix ) || defined( __CYGWIN__ )
# include <unistd.h> // for gethostname()
#endif
// work around a stdc++ lib bug in some versions of linux, but doesn't
// seem to hurt to have this here for all versions of Linux.
#ifdef linux
# define _G_NO_EXTERN_TEMPLATES
#endif
#include <simgear/compiler.h>
#include <simgear/misc/exception.hxx>
#include STL_STRING
#include <simgear/constants.h>
#include <simgear/debug/logstream.hxx>
#include <simgear/math/point3d.hxx>
#include <simgear/math/polar3d.hxx>
#include <simgear/math/sg_geodesy.hxx>
#include <simgear/misc/sg_path.hxx>
#include <simgear/sky/clouds3d/SkySceneLoader.hpp>
#include <simgear/sky/clouds3d/SkyUtil.hpp>
#include <simgear/timing/sg_time.hxx>
#include <simgear/timing/lowleveltime.h>
#include <Aircraft/aircraft.hxx>
#include <FDM/UIUCModel/uiuc_aircraftdir.h>
#include <Airports/runways.hxx>
#include <Airports/simple.hxx>
#include <ATC/ATCdisplay.hxx>
#include <ATC/ATCmgr.hxx>
#include <ATC/atislist.hxx>
#include <ATC/towerlist.hxx>
#include <ATC/approachlist.hxx>
#include <ATC/AIMgr.hxx>
#include <Autopilot/auto_gui.hxx>
#include <Autopilot/newauto.hxx>
#include <Cockpit/cockpit.hxx>
#include <Cockpit/radiostack.hxx>
#include <Cockpit/steam.hxx>
#include <Cockpit/panel.hxx>
#include <Cockpit/panel_io.hxx>
#include <FDM/ADA.hxx>
#include <FDM/Balloon.h>
#include <FDM/ExternalNet/ExternalNet.hxx>
#include <FDM/JSBSim/JSBSim.hxx>
#include <FDM/LaRCsim.hxx>
#include <FDM/MagicCarpet.hxx>
#include <FDM/UFO.hxx>
#include <FDM/NullFDM.hxx>
#include <FDM/YASim/YASim.hxx>
#include <GUI/new_gui.hxx>
#include <Include/general.hxx>
#include <Input/input.hxx>
#include <Instrumentation/instrument_mgr.hxx>
// #include <Joystick/joystick.hxx>
#include <Objects/matlib.hxx>
#include <Model/acmodel.hxx>
#include <Navaids/fixlist.hxx>
#include <Navaids/ilslist.hxx>
#include <Navaids/mkrbeacons.hxx>
#include <Navaids/navlist.hxx>
#include <Scenery/scenery.hxx>
#include <Scenery/tilemgr.hxx>
#include <Sound/fg_fx.hxx>
#include <Sound/soundmgr.hxx>
#include <Systems/system_mgr.hxx>
#include <Time/FGEventMgr.hxx>
#include <Time/light.hxx>
#include <Time/sunpos.hxx>
#include <Time/moonpos.hxx>
#include <Time/tmp.hxx>
#ifdef FG_WEATHERCM
# include <WeatherCM/FGLocalWeatherDatabase.h>
#else
# include <Environment/environment_mgr.hxx>
#endif
#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 "viewmgr.hxx"
#if defined(FX) && defined(XMESA)
#include <GL/xmesa.h>
#endif
SG_USING_STD(string);
extern const char *default_root;
SkySceneLoader *sgCloud3d;
// Scan the command line options for the specified option and return
// the value.
static string fgScanForOption( const string& option, int argc, char **argv ) {
int i = 1;
SG_LOG(SG_GENERAL, SG_INFO, "Scanning command line for: " << option );
int len = option.length();
while ( i < argc ) {
SG_LOG( SG_GENERAL, SG_DEBUG, "argv[" << i << "] = " << argv[i] );
string arg = argv[i];
if ( arg.find( option ) == 0 ) {
return arg.substr( len );
}
i++;
}
return "";
}
// Scan the user config files for the specified option and return
// the value.
static string fgScanForOption( const string& option, const string& path ) {
sg_gzifstream in( path );
if ( !in.is_open() ) {
return "";
}
SG_LOG( SG_GENERAL, SG_INFO, "Scanning " << path << " for: " << option );
int len = option.length();
in >> skipcomment;
#ifndef __MWERKS__
while ( ! in.eof() ) {
#else
char c = '\0';
while ( in.get(c) && c != '\0' ) {
in.putback(c);
#endif
string line;
#if defined( macintosh )
getline( in, line, '\r' );
#else
getline( in, line, '\n' );
#endif
// catch extraneous (DOS) line ending character
if ( line[line.length() - 1] < 32 ) {
line = line.substr( 0, line.length()-1 );
}
if ( line.find( option ) == 0 ) {
return line.substr( len );
}
in >> skipcomment;
}
return "";
}
// Read in configuration (files and command line options) but only set
// fg_root
bool fgInitFGRoot ( int argc, char **argv ) {
string root;
char* envp;
// First parse command line options looking for --fg-root=, this
// will override anything specified in a config file
root = fgScanForOption( "--fg-root=", argc, argv);
#if defined( unix ) || defined( __CYGWIN__ )
// Next check home directory for .fgfsrc.hostname file
if ( root.empty() ) {
envp = ::getenv( "HOME" );
if ( envp != NULL ) {
SGPath config( envp );
config.append( ".fgfsrc" );
char name[256];
gethostname( name, 256 );
config.concat( "." );
config.concat( name );
root = fgScanForOption( "--fg-root=", config.str() );
}
}
#endif
// Next check home directory for .fgfsrc file
if ( root.empty() ) {
envp = ::getenv( "HOME" );
if ( envp != NULL ) {
SGPath config( envp );
config.append( ".fgfsrc" );
root = fgScanForOption( "--fg-root=", config.str() );
}
}
// Next check if fg-root is set as an env variable
if ( root.empty() ) {
envp = ::getenv( "FG_ROOT" );
if ( envp != NULL ) {
root = envp;
}
}
// Otherwise, default to a random compiled-in location if we can't
// find fg-root any other way.
if ( root.empty() ) {
#if defined( __CYGWIN__ )
root = "/FlightGear";
#elif defined( WIN32 )
root = "\\FlightGear";
#elif defined( macintosh )
root = "";
#else
root = PKGLIBDIR;
#endif
}
SG_LOG(SG_INPUT, SG_INFO, "fg_root = " << root );
globals->set_fg_root(root);
return true;
}
// Read in configuration (files and command line options) but only set
// aircraft
bool fgInitFGAircraft ( int argc, char **argv ) {
string aircraft;
char* envp;
// First parse command line options looking for --aircraft=, this
// will override anything specified in a config file
aircraft = fgScanForOption( "--aircraft=", argc, argv );
#if defined( unix ) || defined( __CYGWIN__ )
// Next check home directory for .fgfsrc.hostname file
if ( aircraft.empty() ) {
envp = ::getenv( "HOME" );
if ( envp != NULL ) {
SGPath config( envp );
config.append( ".fgfsrc" );
char name[256];
gethostname( name, 256 );
config.concat( "." );
config.concat( name );
aircraft = fgScanForOption( "--aircraft=", config.str() );
}
}
#endif
// Next check home directory for .fgfsrc file
if ( aircraft.empty() ) {
envp = ::getenv( "HOME" );
if ( envp != NULL ) {
SGPath config( envp );
config.append( ".fgfsrc" );
aircraft = fgScanForOption( "--aircraft=", config.str() );
}
}
// if an aircraft was specified, set the property name
if ( !aircraft.empty() ) {
SG_LOG(SG_INPUT, SG_INFO, "aircraft = " << aircraft );
fgSetString("/sim/aircraft", aircraft.c_str() );
} else {
SG_LOG(SG_INPUT, SG_INFO, "No user specified aircraft, using default" );
}
return true;
}
// 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;
}
// Initialize the localization
SGPropertyNode *fgInitLocale(const char *language) {
SGPropertyNode *c_node = NULL, *d_node = NULL;
SGPropertyNode *intl = fgGetNode("/sim/intl");
SG_LOG(SG_GENERAL, SG_INFO, "Selecting language: " << language );
// localization not defined
if (!intl)
return NULL;
//
// Select the proper language from the list
//
vector<SGPropertyNode_ptr> locale = intl->getChildren("locale");
for (unsigned int i = 0; i < locale.size(); i++) {
vector<SGPropertyNode_ptr> lang = locale[i]->getChildren("lang");
for (unsigned int j = 0; j < lang.size(); j++) {
if (!strcmp(lang[j]->getStringValue(), language)) {
c_node = locale[i];
break;
}
}
}
// Get the defaults
d_node = intl->getChild("locale");
if (!c_node)
c_node = d_node;
// Check for localized font
SGPropertyNode *font_n = c_node->getNode("font", true);
if ( !strcmp(font_n->getStringValue(), "") )
font_n->setStringValue(d_node->getStringValue("font", "typewriter.txf"));
//
// Load the default strings
//
SGPath d_path( globals->get_fg_root() );
const char *d_path_str = d_node->getStringValue("strings");
if (!d_path_str) {
SG_LOG(SG_GENERAL, SG_ALERT, "Incorrect path in configuration file.");
return NULL;
}
d_path.append(d_path_str);
SG_LOG(SG_GENERAL, SG_INFO, "Reading localized strings from "
<< d_path.str());
SGPropertyNode *strings = c_node->getNode("strings");
try {
readProperties(d_path.str(), strings);
} catch (const sg_exception &e) {
SG_LOG(SG_GENERAL, SG_ALERT, "Unable to read the localized strings");
return NULL;
}
//
// Load the language specific strings
//
if (c_node != d_node) {
SGPath c_path( globals->get_fg_root() );
const char *c_path_str = c_node->getStringValue("strings");
if (!c_path_str) {
SG_LOG(SG_GENERAL, SG_ALERT, "Incorrect path in configuration file.");
return NULL;
}
c_path.append(c_path_str);
SG_LOG(SG_GENERAL, SG_INFO, "Reading localized strings from "
<< c_path.str());
try {
readProperties(c_path.str(), strings);
} catch (const sg_exception &e) {
SG_LOG(SG_GENERAL, SG_ALERT, "Unable to read the localized strings");
return NULL;
}
}
return c_node;
}
// Initialize the localization routines
bool fgDetectLanguage() {
char *language = ::getenv("LANG");
if (language == NULL) {
SG_LOG(SG_GENERAL, SG_INFO, "Unable to detect the language" );
language = "C";
}
SGPropertyNode *locale = fgInitLocale(language);
if (!locale) {
cerr << "No internationalization settings specified in preferences.xml"
<< endl;
return false;
}
globals->set_locale( locale );
return true;
}
// Attempt to locate and parse the various non-XML config files in order
// from least precidence to greatest precidence
static void
do_options (int argc, char ** argv)
{
// Check for $fg_root/system.fgfsrc
SGPath config( globals->get_fg_root() );
config.append( "system.fgfsrc" );
fgParseOptions(config.str());
#if defined( unix ) || defined( __CYGWIN__ )
char name[256];
// Check for $fg_root/system.fgfsrc.hostname
gethostname( name, 256 );
config.concat( "." );
config.concat( name );
fgParseOptions(config.str());
#endif
// Check for ~/.fgfsrc
char* envp = ::getenv( "HOME" );
if ( envp != NULL ) {
config.set( envp );
config.append( ".fgfsrc" );
fgParseOptions(config.str());
}
#if defined( unix ) || defined( __CYGWIN__ )
// Check for ~/.fgfsrc.hostname
gethostname( name, 256 );
config.concat( "." );
config.concat( name );
fgParseOptions(config.str());
#endif
// Parse remaining command line options
// These will override anything specified in a config file
fgParseArgs(argc, argv);
}
// Read in configuration (file and command line)
bool fgInitConfig ( int argc, char **argv ) {
// First, set some sane default values
fgSetDefaults();
// 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");
// Detect the required language as early as possible
if ( !fgDetectLanguage() ) {
return false;
}
// Scan user config files and command line for a specified aircraft.
fgInitFGAircraft(argc, argv);
string aircraft = fgGetString("/sim/aircraft", "");
if ( aircraft.size() > 0 ) {
SGPath aircraft_path(globals->get_fg_root());
aircraft_path.append("Aircraft");
aircraft_path.append(aircraft);
aircraft_path.concat("-set.xml");
SG_LOG(SG_INPUT, SG_INFO, "Reading default aircraft: " << aircraft
<< " from " << aircraft_path.str());
try {
readProperties(aircraft_path.str(), globals->get_props());
} catch (const sg_exception &e) {
string message = "Error reading default aircraft: ";
message += e.getFormattedMessage();
SG_LOG(SG_INPUT, SG_ALERT, message);
exit(2);
}
} else {
SG_LOG(SG_INPUT, SG_ALERT, "No default aircraft specified");
}
// parse options after loading aircraft to ensure any user
// overrides of defaults are honored.
do_options(argc, argv);
return true;
}
// find basic airport location info from airport database
bool fgFindAirportID( const string& id, FGAirport *a ) {
if ( id.length() ) {
SGPath path( globals->get_fg_root() );
path.append( "Airports" );
path.append( "simple.mk4" );
FGAirports airports( path.c_str() );
SG_LOG( SG_GENERAL, SG_INFO, "Searching for airport code = " << id );
if ( ! airports.search( id, a ) ) {
SG_LOG( SG_GENERAL, SG_ALERT,
"Failed to find " << id << " in " << path.str() );
return false;
}
} else {
return false;
}
SG_LOG( SG_GENERAL, SG_INFO,
"Position for " << id << " is ("
<< a->longitude << ", "
<< a->latitude << ")" );
return true;
}
// get airport elevation
static double fgGetAirportElev( const string& id ) {
FGAirport a;
// double lon, lat;
SG_LOG( SG_GENERAL, SG_INFO,
"Finding elevation for airport: " << id );
if ( fgFindAirportID( id, &a ) ) {
return a.elevation;
} else {
return -9999.0;
}
}
// Preset lon/lat given an airport id
static bool fgSetPosFromAirportID( const string& id ) {
FGAirport a;
// double lon, lat;
SG_LOG( SG_GENERAL, SG_INFO,
"Attempting to set starting position from airport code " << id );
if ( fgFindAirportID( id, &a ) ) {
// presets
fgSetDouble("/sim/presets/longitude-deg", a.longitude );
fgSetDouble("/sim/presets/latitude-deg", a.latitude );
// other code depends on the actual postition being set so set
// that as well
fgSetDouble("/position/longitude-deg", a.longitude );
fgSetDouble("/position/latitude-deg", a.latitude );
SG_LOG( SG_GENERAL, SG_INFO,
"Position for " << id << " is (" << a.longitude
<< ", " << a.latitude << ")" );
return true;
} else {
return false;
}
}
// Set current tower position lon/lat given an airport id
static bool fgSetTowerPosFromAirportID( const string& id, double hdg ) {
FGAirport a;
// tower height hard coded for now...
float towerheight=50.0f;
// make a little off the heading for 1 runway airports...
float fudge_lon = fabs(sin(hdg)) * .003f;
float fudge_lat = .003f - fudge_lon;
if ( fgFindAirportID( id, &a ) ) {
fgSetDouble("/sim/tower/longitude-deg", a.longitude + fudge_lon);
fgSetDouble("/sim/tower/latitude-deg", a.latitude + fudge_lat);
fgSetDouble("/sim/tower/altitude-ft", a.elevation + towerheight);
return true;
} else {
return false;
}
}
// Set current_options lon/lat given an airport id and heading (degrees)
static bool fgSetPosFromAirportIDandHdg( const string& id, double tgt_hdg ) {
FGRunway r;
FGRunway found_r;
double found_dir = 0.0;
if ( id.length() ) {
// set initial position from runway and heading
SGPath path( globals->get_fg_root() );
path.append( "Airports" );
path.append( "runways.mk4" );
FGRunways runways( path.c_str() );
SG_LOG( SG_GENERAL, SG_INFO,
"Attempting to set starting position from runway code "
<< id << " heading " << tgt_hdg );
if ( ! runways.search( id, &r ) ) {
SG_LOG( SG_GENERAL, SG_ALERT,
"Failed to find " << id << " in database." );
return false;
}
double diff;
double min_diff = 360.0;
while ( r.id == id ) {
// forward direction
diff = tgt_hdg - r.heading;
while ( diff < -180.0 ) { diff += 360.0; }
while ( diff > 180.0 ) { diff -= 360.0; }
diff = fabs(diff);
SG_LOG( SG_GENERAL, SG_INFO,
"Runway " << r.rwy_no << " heading = " << r.heading <<
" diff = " << diff );
if ( diff < min_diff ) {
min_diff = diff;
found_r = r;
found_dir = 0;
}
// reverse direction
diff = tgt_hdg - r.heading - 180.0;
while ( diff < -180.0 ) { diff += 360.0; }
while ( diff > 180.0 ) { diff -= 360.0; }
diff = fabs(diff);
SG_LOG( SG_GENERAL, SG_INFO,
"Runway -" << r.rwy_no << " heading = " <<
r.heading + 180.0 <<
" diff = " << diff );
if ( diff < min_diff ) {
min_diff = diff;
found_r = r;
found_dir = 180.0;
}
runways.next( &r );
}
SG_LOG( SG_GENERAL, SG_INFO, "closest runway = " << found_r.rwy_no
<< " + " << found_dir );
} else {
return false;
}
double heading = found_r.heading + found_dir;
while ( heading >= 360.0 ) { heading -= 360.0; }
double lat2, lon2, az2;
double azimuth = found_r.heading + found_dir + 180.0;
while ( azimuth >= 360.0 ) { azimuth -= 360.0; }
SG_LOG( SG_GENERAL, SG_INFO,
"runway = " << found_r.lon << ", " << found_r.lat
<< " length = " << found_r.length * SG_FEET_TO_METER * 0.5
<< " heading = " << azimuth );
geo_direct_wgs_84 ( 0, found_r.lat, found_r.lon,
azimuth, found_r.length * SG_FEET_TO_METER * 0.5 - 5.0,
&lat2, &lon2, &az2 );
if ( fabs( fgGetDouble("/sim/presets/offset-distance") ) > SG_EPSILON ) {
double olat, olon;
double odist = fgGetDouble("/sim/presets/offset-distance");
odist *= SG_NM_TO_METER;
double oaz = azimuth;
if ( fabs(fgGetDouble("/sim/presets/offset-azimuth")) > SG_EPSILON ) {
oaz = fgGetDouble("/sim/presets/offset-azimuth") + 180;
}
while ( oaz >= 360.0 ) { oaz -= 360.0; }
geo_direct_wgs_84 ( 0, lat2, lon2, oaz, odist, &olat, &olon, &az2 );
lat2=olat;
lon2=olon;
}
// presets
fgSetDouble("/sim/presets/longitude-deg", lon2 );
fgSetDouble("/sim/presets/latitude-deg", lat2 );
fgSetDouble("/sim/presets/heading-deg", heading );
// other code depends on the actual values being set ...
fgSetDouble("/position/longitude-deg", lon2 );
fgSetDouble("/position/latitude-deg", lat2 );
fgSetDouble("/orientation/heading-deg", heading );
SG_LOG( SG_GENERAL, SG_INFO,
"Position for " << id << " is ("
<< lon2 << ", "
<< lat2 << ") new heading is "
<< heading );
return true;
}
// Set current_options lon/lat given an airport id and heading (degrees)
static bool fgSetPosFromAirportIDandRwy( const string& id, const string& rwy ) {
FGRunway r;
FGRunway found_r;
double heading = 0.0;
string runway;
bool match = false;
// standardize input number
string tmp = rwy.substr(1, 1);
if ( tmp == "L" || tmp == "R" || tmp == "C" ) {
runway = "0";
runway += rwy;
} else {
runway = rwy;
}
if ( id.length() ) {
// set initial position from runway and heading
SGPath path( globals->get_fg_root() );
path.append( "Airports" );
path.append( "runways.mk4" );
FGRunways runways( path.c_str() );
SG_LOG( SG_GENERAL, SG_INFO,
"Attempting to set starting position for "
<< id << ":" << runway );
if ( ! runways.search( id, &r ) ) {
SG_LOG( SG_GENERAL, SG_ALERT,
"Failed to find " << id << " in database." );
return false;
}
while ( r.id == id ) {
// forward direction
if ( r.rwy_no == runway ) {
found_r = r;
heading = r.heading;
match = true;
SG_LOG( SG_GENERAL, SG_INFO,
"Runway " << r.rwy_no << " heading = " << heading );
}
// calculate reciprocal runway number
string snum = r.rwy_no;
int len = snum.length();
string letter = "";
string rev_letter = "";
int i;
for ( i = 0; i < len; ++i ) {
string tmp = snum.substr(i, 1);
if ( tmp == "L" ) {
letter = "L";
rev_letter = "R";
} else if ( tmp == "R" ) {
letter = "R";
rev_letter = "L";
} else if ( tmp == "C" ) {
letter == "C";
rev_letter = "C";
}
}
for ( i = 0; i < len; ++i ) {
string tmp = snum.substr(i, 1);
if ( tmp == "L" || tmp == "R" || tmp == "C" || tmp == " " ) {
snum = snum.substr(0, i);
}
}
SG_LOG(SG_GENERAL, SG_DEBUG, "Runway num = '" << snum << "'");
int num = atoi( snum.c_str() ) + 18;
while ( num > 36 ) { num -= 36; }
while ( num <= 0 ) { num += 36; }
char recip_no[10];
snprintf( recip_no, 10, "%02d%s", num, rev_letter.c_str() );
// reverse direction
if ( (string)recip_no == runway ) {
found_r = r;
heading = r.heading + 180;
while ( heading > 360.0 ) { heading -= 360; }
match = true;
SG_LOG( SG_GENERAL, SG_INFO,
"Runway " << r.rwy_no << " heading = " << heading );
}
runways.next( &r );
}
} else {
return false;
}
if ( match ) {
double lat2, lon2, az2;
double azimuth = heading + 180.0;
while ( azimuth >= 360.0 ) { azimuth -= 360.0; }
SG_LOG( SG_GENERAL, SG_INFO,
"runway = " << found_r.lon << ", " << found_r.lat
<< " length = " << found_r.length * SG_FEET_TO_METER * 0.5
<< " heading = " << azimuth );
geo_direct_wgs_84 ( 0, found_r.lat, found_r.lon,
azimuth,
found_r.length * SG_FEET_TO_METER * 0.5 - 5.0,
&lat2, &lon2, &az2 );
if ( fabs( fgGetDouble("/sim/presets/offset-distance") ) > SG_EPSILON )
{
double olat, olon;
double odist = fgGetDouble("/sim/presets/offset-distance");
odist *= SG_NM_TO_METER;
double oaz = azimuth;
if ( fabs(fgGetDouble("/sim/presets/offset-azimuth")) > SG_EPSILON )
{
oaz = fgGetDouble("/sim/presets/offset-azimuth") + 180;
}
while ( oaz >= 360.0 ) { oaz -= 360.0; }
geo_direct_wgs_84 ( 0, lat2, lon2, oaz, odist, &olat, &olon, &az2 );
lat2=olat;
lon2=olon;
}
// presets
fgSetDouble("/sim/presets/longitude-deg", lon2 );
fgSetDouble("/sim/presets/latitude-deg", lat2 );
fgSetDouble("/sim/presets/heading-deg", heading );
// other code depends on the actual values being set ...
fgSetDouble("/position/longitude-deg", lon2 );
fgSetDouble("/position/latitude-deg", lat2 );
fgSetDouble("/orientation/heading-deg", heading );
SG_LOG( SG_GENERAL, SG_INFO,
"Position for " << id << " is ("
<< lon2 << ", "
<< lat2 << ") new heading is "
<< heading );
return true;
} else {
return false;
}
}
static void fgSetDistOrAltFromGlideSlope() {
string apt_id = fgGetString("/sim/presets/airport-id");
double gs = fgGetDouble("/sim/presets/glideslope-deg")
* SG_DEGREES_TO_RADIANS ;
double od = fgGetDouble("/sim/presets/offset-distance");
double alt = fgGetDouble("/sim/presets/altitude-ft");
double apt_elev = 0.0;
if ( ! apt_id.empty() ) {
apt_elev = fgGetAirportElev( apt_id );
if ( apt_elev < -9990.0 ) {
apt_elev = 0.0;
}
} else {
apt_elev = 0.0;
}
if( fabs(gs) > 0.01 && fabs(od) > 0.1 && alt < -9990 ) {
// set altitude from glideslope and offset-distance
od *= SG_NM_TO_METER * SG_METER_TO_FEET;
alt = fabs(od*tan(gs)) + apt_elev;
fgSetDouble("/sim/presets/altitude-ft", alt);
fgSetBool("/sim/presets/onground", false);
SG_LOG(SG_GENERAL,SG_INFO, "Calculated altitude as: " << alt << " ft");
} else if( fabs(gs) > 0.01 && alt > 0 && fabs(od) < 0.1) {
// set offset-distance from glideslope and altitude
od = (alt - apt_elev) / tan(gs);
od *= -1*SG_FEET_TO_METER * SG_METER_TO_NM;
fgSetDouble("/sim/presets/offset-distance", od);
SG_LOG(SG_GENERAL, SG_INFO, "Calculated offset distance as: "
<< od << " nm");
} else if( fabs(gs) > 0.01 ) {
SG_LOG( SG_GENERAL, SG_ALERT,
"Glideslope given but not altitude or offset-distance." );
SG_LOG( SG_GENERAL, SG_ALERT, "Resetting glideslope to zero" );
fgSetDouble("/sim/presets/glideslope-deg", 0);
fgSetBool("/sim/presets/onground", true);
}
}
// Set the initial position based on presets (or defaults)
bool fgInitPosition() {
bool set_pos = false;
// If glideslope is specified, then calculate offset-distance or
// altitude relative to glide slope if either of those was not
// specified.
fgSetDistOrAltFromGlideSlope();
// If we have an explicit, in-range lon/lat, don't change it, just use it.
// If not, check for an airport-id and use that.
// If not, default to the middle of the KSFO field.
// The default values for lon/lat are deliberately out of range
// so that the airport-id can take effect; valid lon/lat will
// override airport-id, however.
double lon_deg = fgGetDouble("/sim/presets/longitude-deg");
double lat_deg = fgGetDouble("/sim/presets/latitude-deg");
if ( lon_deg >= -180.0 && lon_deg <= 180.0
&& lat_deg >= -90.0 && lat_deg <= 90.0 )
{
set_pos = true;
}
string apt = fgGetString("/sim/presets/airport-id");
string rwy_no = fgGetString("/sim/presets/runway");
double hdg = fgGetDouble("/sim/presets/heading-deg");
if ( !set_pos && !apt.empty() && !rwy_no.empty() ) {
// An airport + runway is requested
if ( fgSetPosFromAirportIDandRwy( apt, rwy_no ) ) {
// set tower position (a little off the heading for single
// runway airports)
fgSetTowerPosFromAirportID( apt, hdg );
set_pos = true;
}
}
if ( !set_pos && !apt.empty() ) {
if ( fgSetPosFromAirportIDandHdg( apt, hdg ) ) {
// set tower position (a little off the heading for single
// runway airports)
fgSetTowerPosFromAirportID( apt, hdg );
set_pos = true;
}
}
if ( !set_pos ) {
// No lon/lat specified, no airport specified, default to
// middle of KSFO field.
fgSetDouble("/sim/presets/longitude-deg", -122.374843);
fgSetDouble("/sim/presets/latitude-deg", 37.619002);
}
fgSetDouble( "/position/longitude-deg",
fgGetDouble("/sim/presets/longitude-deg") );
fgSetDouble( "/position/latitude-deg",
fgGetDouble("/sim/presets/latitude-deg") );
fgSetDouble( "/orientation/heading-deg",
fgGetDouble("/sim/presets/heading-deg") );
return true;
}
// General house keeping initializations
bool fgInitGeneral() {
string root;
#if defined(FX) && defined(XMESA)
char *mesa_win_state;
#endif
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 );
#if defined(FX) && defined(XMESA)
// initialize full screen flag
globals->set_fullscreen(false);
if ( strstr ( general.get_glRenderer(), "Glide" ) ) {
// Test for the MESA_GLX_FX env variable
if ( (mesa_win_state = getenv( "MESA_GLX_FX" )) != NULL) {
// test if we are fullscreen mesa/glide
if ( (mesa_win_state[0] == 'f') ||
(mesa_win_state[0] == 'F') ) {
globals->set_fullscreen(true);
}
}
}
#endif
return true;
}
// Initialize the flight model subsystem. This just creates the
// object. The actual fdm initialization is delayed until we get a
// proper scenery elevation hit. This is checked for in main.cxx
void fgInitFDM() {
if ( cur_fdm_state ) {
delete cur_fdm_state;
cur_fdm_state = 0;
}
double dt = 1.0 / fgGetInt("/sim/model-hz");
aircraft_dir = fgGetString("/sim/aircraft-dir");
const string &model = fgGetString("/sim/flight-model");
try {
if ( model == "larcsim" ) {
cur_fdm_state = new FGLaRCsim( dt );
} else if ( model == "jsb" ) {
cur_fdm_state = new FGJSBsim( dt );
} else if ( model == "ada" ) {
cur_fdm_state = new FGADA( dt );
} else if ( model == "balloon" ) {
cur_fdm_state = new FGBalloonSim( dt );
} else if ( model == "magic" ) {
cur_fdm_state = new FGMagicCarpet( dt );
} else if ( model == "ufo" ) {
cur_fdm_state = new FGUFO( dt );
} else if ( model == "external" ) {
// external is a synonym for "--fdm=null" and is
// maintained here for backwards compatibility
cur_fdm_state = new FGNullFDM( dt );
} else if ( model.find("network") == 0 ) {
string host = "localhost";
int port1 = 5501;
int port2 = 5502;
int port3 = 5503;
string net_options = model.substr(8);
string::size_type begin, end;
begin = 0;
// host
end = net_options.find( ",", begin );
if ( end != string::npos ) {
host = net_options.substr(begin, end - begin);
begin = end + 1;
}
// port1
end = net_options.find( ",", begin );
if ( end != string::npos ) {
port1 = atoi( net_options.substr(begin, end - begin).c_str() );
begin = end + 1;
}
// port2
end = net_options.find( ",", begin );
if ( end != string::npos ) {
port2 = atoi( net_options.substr(begin, end - begin).c_str() );
begin = end + 1;
}
// port3
end = net_options.find( ",", begin );
if ( end != string::npos ) {
port3 = atoi( net_options.substr(begin, end - begin).c_str() );
begin = end + 1;
}
cur_fdm_state = new FGExternalNet( dt, host, port1, port2, port3 );
} else if ( model == "null" ) {
cur_fdm_state = new FGNullFDM( dt );
} else if ( model == "yasim" ) {
cur_fdm_state = new YASim( dt );
} else {
SG_LOG(SG_GENERAL, SG_ALERT,
"Unrecognized flight model '" << model
<< "', cannot init flight dynamics model.");
exit(-1);
}
} catch ( ... ) {
SG_LOG(SG_GENERAL, SG_ALERT, "FlightGear aborting\n\n");
exit(-1);
}
}
static void printMat(const sgVec4 *mat, char *name="")
{
int i;
cout << name << endl;
for(i=0; i<4; i++) {
cout <<" "<<mat[i][0]<<" "<<mat[i][1]<<" "<<mat[i][2]<<" "<<mat[i][3]<<endl;
}
cout << endl;
}
// Initialize view parameters
void fgInitView() {
// force update of model so that viewer can get some data...
globals->get_aircraft_model()->update(0);
// run update for current view so that data is current...
globals->get_viewmgr()->update(0);
printMat(globals->get_current_view()->get_VIEW(),"VIEW");
printMat(globals->get_current_view()->get_UP(),"UP");
// printMat(globals->get_current_view()->get_LOCAL(),"LOCAL");
}
SGTime *fgInitTime() {
// Initialize time
static const SGPropertyNode *longitude
= fgGetNode("/position/longitude-deg");
static const SGPropertyNode *latitude
= fgGetNode("/position/latitude-deg");
static const SGPropertyNode *cur_time_override
= fgGetNode("/sim/time/cur-time-override", true);
SGPath zone( globals->get_fg_root() );
zone.append( "Timezone" );
SGTime *t = new SGTime( longitude->getDoubleValue()
* SGD_DEGREES_TO_RADIANS,
latitude->getDoubleValue()
* SGD_DEGREES_TO_RADIANS,
zone.str(),
cur_time_override->getLongValue() );
// Handle potential user specified time offsets
time_t cur_time = t->get_cur_time();
time_t currGMT = sgTimeGetGMT( gmtime(&cur_time) );
time_t systemLocalTime = sgTimeGetGMT( localtime(&cur_time) );
time_t aircraftLocalTime =
sgTimeGetGMT( fgLocaltime(&cur_time, t->get_zonename() ) );
// Okay, we now have six possible scenarios
int offset = fgGetInt("/sim/startup/time-offset");
const string &offset_type = fgGetString("/sim/startup/time-offset-type");
if (offset_type == "system-offset") {
globals->set_warp( offset );
} else if (offset_type == "gmt-offset") {
globals->set_warp( offset - (currGMT - systemLocalTime) );
} else if (offset_type == "latitude-offset") {
globals->set_warp( offset - (aircraftLocalTime - systemLocalTime) );
} else if (offset_type == "system") {
globals->set_warp( offset - cur_time );
} else if (offset_type == "gmt") {
globals->set_warp( offset - currGMT );
} else if (offset_type == "latitude") {
globals->set_warp( offset - (aircraftLocalTime - systemLocalTime) -
cur_time );
} else {
SG_LOG( SG_GENERAL, SG_ALERT,
"FG_TIME::Unsupported offset type " << offset_type );
exit( -1 );
}
SG_LOG( SG_GENERAL, SG_INFO, "After time init, warp = "
<< globals->get_warp() );
globals->set_warp_delta( 0 );
t->update( 0.0, 0.0,
cur_time_override->getLongValue(),
globals->get_warp() );
return t;
}
// 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.
bool fgInitSubsystems() {
static const SGPropertyNode *longitude
= fgGetNode("/sim/presets/longitude-deg");
static const SGPropertyNode *latitude
= fgGetNode("/sim/presets/latitude-deg");
static const SGPropertyNode *altitude
= fgGetNode("/sim/presets/altitude-ft");
fgLIGHT *l = &cur_light_params;
SG_LOG( SG_GENERAL, SG_INFO, "Initialize Subsystems");
SG_LOG( SG_GENERAL, SG_INFO, "========== ==========");
////////////////////////////////////////////////////////////////////
// Initialize the material property subsystem.
////////////////////////////////////////////////////////////////////
SGPath mpath( globals->get_fg_root() );
mpath.append( "materials.xml" );
if ( ! material_lib.load( mpath.str() ) ) {
SG_LOG( SG_GENERAL, SG_ALERT, "Error loading material lib!" );
exit(-1);
}
////////////////////////////////////////////////////////////////////
// Initialize the event manager subsystem.
////////////////////////////////////////////////////////////////////
global_events.init();
// Output event stats every 60 seconds
global_events.Register( "FGEventMgr::print_stats()",
&global_events, &FGEventMgr::print_stats,
60000 );
////////////////////////////////////////////////////////////////////
// Initialize the scenery management subsystem.
////////////////////////////////////////////////////////////////////
if ( global_tile_mgr.init() ) {
// Load the local scenery data
double visibility_meters = fgGetDouble("/environment/visibility-m");
global_tile_mgr.update( visibility_meters );
} else {
SG_LOG( SG_GENERAL, SG_ALERT, "Error in Tile Manager initialization!" );
exit(-1);
}
// cause refresh of viewer scenery timestamps every 15 seconds...
global_events.Register( "FGTileMgr::refresh_view_timestamps()",
&global_tile_mgr, &FGTileMgr::refresh_view_timestamps,
15000 );
SG_LOG( SG_GENERAL, SG_DEBUG,
"Current terrain elevation after tile mgr init " <<
globals->get_scenery()->get_cur_elev() );
////////////////////////////////////////////////////////////////////
// Initialize the flight model subsystem.
////////////////////////////////////////////////////////////////////
fgInitFDM();
// allocates structures so must happen before any of the flight
// model or control parameters are set
fgAircraftInit(); // In the future this might not be the case.
////////////////////////////////////////////////////////////////////
// Initialize the view manager subsystem.
////////////////////////////////////////////////////////////////////
fgInitView();
////////////////////////////////////////////////////////////////////
// Initialize the lighting subsystem.
////////////////////////////////////////////////////////////////////
// fgUpdateSunPos() needs a few position and view parameters set
// so it can calculate local relative sun angle and a few other
// things for correctly orienting the sky.
fgUpdateSunPos();
fgUpdateMoonPos();
global_events.Register( "fgUpdateSunPos()", &fgUpdateSunPos,
60000);
global_events.Register( "fgUpdateMoonPos()", &fgUpdateMoonPos,
60000);
// Initialize Lighting interpolation tables
l->Init();
// force one lighting update to make it right to start with...
l->Update();
// update the lighting parameters (based on sun angle)
global_events.Register( "fgLight::Update()",
&cur_light_params, &fgLIGHT::Update,
30000 );
////////////////////////////////////////////////////////////////////
// Create and register the logger.
////////////////////////////////////////////////////////////////////
globals->get_subsystem_mgr()->add(FGSubsystemMgr::GENERAL,
"logger",
new FGLogger);
////////////////////////////////////////////////////////////////////
// Create and register the XML GUI.
////////////////////////////////////////////////////////////////////
globals->get_subsystem_mgr()->add(FGSubsystemMgr::INIT,
"gui",
new NewGUI);
////////////////////////////////////////////////////////////////////
// Initialize the local time subsystem.
////////////////////////////////////////////////////////////////////
// update the current timezone each 30 minutes
global_events.Register( "fgUpdateLocalTime()", &fgUpdateLocalTime,
30*60*1000 );
////////////////////////////////////////////////////////////////////
// Initialize the weather subsystem.
////////////////////////////////////////////////////////////////////
// Initialize the weather modeling subsystem
#ifdef FG_WEATHERCM
// Initialize the WeatherDatabase
SG_LOG(SG_GENERAL, SG_INFO, "Creating LocalWeatherDatabase");
sgVec3 position;
sgSetVec3( position, current_aircraft.fdm_state->get_Latitude(),
current_aircraft.fdm_state->get_Longitude(),
current_aircraft.fdm_state->get_Altitude() * SG_FEET_TO_METER );
double init_vis = fgGetDouble("/environment/visibility-m");
FGLocalWeatherDatabase::DatabaseWorkingType working_type;
if (!strcmp(fgGetString("/environment/weather/working-type"), "internet"))
{
working_type = FGLocalWeatherDatabase::use_internet;
} else {
working_type = FGLocalWeatherDatabase::default_mode;
}
if ( init_vis > 0 ) {
FGLocalWeatherDatabase::theFGLocalWeatherDatabase =
new FGLocalWeatherDatabase( position,
globals->get_fg_root(),
working_type,
init_vis );
} else {
FGLocalWeatherDatabase::theFGLocalWeatherDatabase =
new FGLocalWeatherDatabase( position,
globals->get_fg_root(),
working_type );
}
// cout << theFGLocalWeatherDatabase << endl;
// cout << "visibility = "
// << theFGLocalWeatherDatabase->getWeatherVisibility() << endl;
WeatherDatabase = FGLocalWeatherDatabase::theFGLocalWeatherDatabase;
// register the periodic update of the weather
global_events.Register( "weather update", &fgUpdateWeatherDatabase,
30000);
#else
globals->get_environment_mgr()->init();
globals->get_environment_mgr()->bind();
#endif
////////////////////////////////////////////////////////////////////
// Initialize the 3D cloud subsystem.
////////////////////////////////////////////////////////////////////
if ( fgGetBool("/sim/rendering/clouds3d") ) {
SGPath cloud_path(globals->get_fg_root());
cloud_path.append("large.sky");
SG_LOG(SG_GENERAL, SG_INFO, "Loading CLOUDS3d from: " << cloud_path.c_str());
if ( !sgCloud3d->Load( cloud_path.str(),
latitude->getDoubleValue(),
longitude->getDoubleValue()) )
{
fgSetBool("/sim/rendering/clouds3d", false);
SG_LOG(SG_GENERAL, SG_INFO, "CLOUDS3d FAILED: ");
}
SG_LOG(SG_GENERAL, SG_INFO, "CLOUDS3d Loaded: ");
}
////////////////////////////////////////////////////////////////////
// Initialize vor/ndb/ils/fix list management and query systems
////////////////////////////////////////////////////////////////////
SG_LOG(SG_GENERAL, SG_INFO, "Loading Navaids");
SG_LOG(SG_GENERAL, SG_INFO, " VOR/NDB");
current_navlist = new FGNavList;
SGPath p_nav( globals->get_fg_root() );
p_nav.append( "Navaids/default.nav" );
current_navlist->init( p_nav );
SG_LOG(SG_GENERAL, SG_INFO, " ILS and Marker Beacons");
current_beacons = new FGMarkerBeacons;
current_beacons->init();
current_ilslist = new FGILSList;
SGPath p_ils( globals->get_fg_root() );
p_ils.append( "Navaids/default.ils" );
current_ilslist->init( p_ils );
SG_LOG(SG_GENERAL, SG_INFO, " Fixes");
current_fixlist = new FGFixList;
SGPath p_fix( globals->get_fg_root() );
p_fix.append( "Navaids/default.fix" );
current_fixlist->init( p_fix );
////////////////////////////////////////////////////////////////////
// Initialize ATC list management and query systems
////////////////////////////////////////////////////////////////////
SG_LOG(SG_GENERAL, SG_INFO, " ATIS");
current_atislist = new FGATISList;
SGPath p_atis( globals->get_fg_root() );
p_atis.append( "ATC/default.atis" );
current_atislist->init( p_atis );
SG_LOG(SG_GENERAL, SG_INFO, " Tower");
current_towerlist = new FGTowerList;
SGPath p_tower( globals->get_fg_root() );
p_tower.append( "ATC/default.tower" );
current_towerlist->init( p_tower );
SG_LOG(SG_GENERAL, SG_INFO, " Approach");
current_approachlist = new FGApproachList;
SGPath p_approach( globals->get_fg_root() );
p_approach.append( "ATC/default.approach" );
current_approachlist->init( p_approach );
////////////////////////////////////////////////////////////////////
// Initialise ATC display system
////////////////////////////////////////////////////////////////////
SG_LOG(SG_GENERAL, SG_INFO, " ATC Display");
globals->set_ATC_display(new FGATCDisplay);
globals->get_ATC_display()->init();
////////////////////////////////////////////////////////////////////
// Initialise the ATC Manager
////////////////////////////////////////////////////////////////////
SG_LOG(SG_GENERAL, SG_INFO, " ATC Manager");
globals->set_ATC_mgr(new FGATCMgr);
globals->get_ATC_mgr()->init();
////////////////////////////////////////////////////////////////////
// Initialise the AI Manager
////////////////////////////////////////////////////////////////////
if (fgGetBool("/sim/ai-traffic/enabled")) {
SG_LOG(SG_GENERAL, SG_INFO, " AI Manager");
globals->set_AI_mgr(new FGAIMgr);
globals->get_AI_mgr()->init();
}
#ifdef ENABLE_AUDIO_SUPPORT
////////////////////////////////////////////////////////////////////
// Initialize the sound subsystem.
////////////////////////////////////////////////////////////////////
globals->set_soundmgr(new FGSoundMgr);
globals->get_soundmgr()->init();
globals->get_soundmgr()->bind();
////////////////////////////////////////////////////////////////////
// Initialize the sound-effects subsystem.
////////////////////////////////////////////////////////////////////
globals->get_subsystem_mgr()->add(FGSubsystemMgr::GENERAL,
"fx",
new FGFX);
#endif
globals->get_subsystem_mgr()->add(FGSubsystemMgr::GENERAL,
"instrumentation",
new FGInstrumentMgr);
globals->get_subsystem_mgr()->add(FGSubsystemMgr::GENERAL,
"systems",
new FGSystemMgr);
////////////////////////////////////////////////////////////////////
// Initialize the radio stack subsystem.
////////////////////////////////////////////////////////////////////
// A textbook example of how FGSubsystem
// should work...
current_radiostack = new FGRadioStack;
current_radiostack->init();
current_radiostack->bind();
////////////////////////////////////////////////////////////////////
// Initialize the cockpit subsystem
////////////////////////////////////////////////////////////////////
if( fgCockpitInit( &current_aircraft )) {
// Cockpit initialized ok.
} else {
SG_LOG( SG_GENERAL, SG_ALERT, "Error in Cockpit initialization!" );
exit(-1);
}
////////////////////////////////////////////////////////////////////
// Initialize the autopilot subsystem.
////////////////////////////////////////////////////////////////////
globals->set_autopilot(new FGAutopilot);
globals->get_autopilot()->init();
globals->get_autopilot()->bind();
// FIXME: these should go in the
// GUI initialization code, not here.
fgAPAdjustInit();
NewTgtAirportInit();
NewHeadingInit();
NewAltitudeInit();
////////////////////////////////////////////////////////////////////
// Initialize I/O subsystem.
////////////////////////////////////////////////////////////////////
globals->get_io()->init();
globals->get_io()->bind();
// Initialize the 2D panel.
string panel_path = fgGetString("/sim/panel/path",
"Panels/Default/default.xml");
current_panel = fgReadPanel(panel_path);
if (current_panel == 0) {
SG_LOG( SG_INPUT, SG_ALERT,
"Error reading new panel from " << panel_path );
} else {
SG_LOG( SG_INPUT, SG_INFO, "Loaded new panel from " << panel_path );
current_panel->init();
current_panel->bind();
}
////////////////////////////////////////////////////////////////////
// Initialize the default (kludged) properties.
////////////////////////////////////////////////////////////////////
fgInitProps();
////////////////////////////////////////////////////////////////////
// Initialize the controls subsystem.
////////////////////////////////////////////////////////////////////
globals->get_controls()->init();
globals->get_controls()->bind();
////////////////////////////////////////////////////////////////////
// Initialize the steam subsystem.
////////////////////////////////////////////////////////////////////
globals->get_steam()->init();
globals->get_steam()->bind();
////////////////////////////////////////////////////////////////////
// Initialize the input subsystem.
////////////////////////////////////////////////////////////////////
globals->get_subsystem_mgr()->add(FGSubsystemMgr::GENERAL,
"input",
new FGInput);
////////////////////////////////////////////////////////////////////
// Bind and initialize subsystems.
////////////////////////////////////////////////////////////////////
globals->get_subsystem_mgr()->bind();
globals->get_subsystem_mgr()->init();
////////////////////////////////////////////////////////////////////////
// End of subsystem initialization.
////////////////////////////////////////////////////////////////////
SG_LOG( SG_GENERAL, SG_INFO, endl);
// Save the initial state for future
// reference.
globals->saveInitialState();
return true;
}
void fgReInitSubsystems()
{
static const SGPropertyNode *longitude
= fgGetNode("/sim/presets/longitude-deg");
static const SGPropertyNode *latitude
= fgGetNode("/sim/presets/latitude-deg");
static const SGPropertyNode *altitude
= fgGetNode("/sim/presets/altitude-ft");
static const SGPropertyNode *master_freeze
= fgGetNode("/sim/freeze/master");
SG_LOG( SG_GENERAL, SG_INFO,
"fgReInitSubsystems(): /position/altitude = "
<< altitude->getDoubleValue() );
bool freeze = master_freeze->getBoolValue();
if ( !freeze ) {
fgSetBool("/sim/freeze/master", true);
}
// Initialize the FDM
fgInitFDM();
// allocates structures so must happen before any of the flight
// model or control parameters are set
fgAircraftInit(); // In the future this might not be the case.
// copy viewer settings into current-view path
globals->get_viewmgr()->copyToCurrent();
fgInitView();
globals->get_controls()->reset_all();
globals->get_autopilot()->reset();
fgUpdateSunPos();
fgUpdateMoonPos();
cur_light_params.Update();
fgUpdateLocalTime();
if ( !freeze ) {
fgSetBool("/sim/freeze/master", false);
}
}
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