1808 lines
57 KiB
C++
1808 lines
57 KiB
C++
// fg_init.cxx -- Flight Gear top level initialization routines
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//
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// Written by Curtis Olson, started August 1997.
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//
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// Copyright (C) 1997 Curtis L. Olson - curt@infoplane.com
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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//
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// $Id$
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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// For BC 5.01 this must be included before OpenGL includes.
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#ifdef SG_MATH_EXCEPTION_CLASH
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# include <math.h>
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#endif
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#ifdef HAVE_WINDOWS_H
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# include <windows.h>
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#endif
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#include GLUT_H
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h> // strcmp()
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#if defined( unix ) || defined( __CYGWIN__ )
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# include <unistd.h> // for gethostname()
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#endif
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// work around a stdc++ lib bug in some versions of linux, but doesn't
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// seem to hurt to have this here for all versions of Linux.
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#ifdef linux
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# define _G_NO_EXTERN_TEMPLATES
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#endif
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#include <simgear/compiler.h>
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#include <simgear/misc/exception.hxx>
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#include STL_STRING
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#include <simgear/constants.h>
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#include <simgear/debug/logstream.hxx>
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#include <simgear/math/point3d.hxx>
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#include <simgear/math/polar3d.hxx>
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#include <simgear/math/sg_geodesy.hxx>
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#include <simgear/misc/sg_path.hxx>
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#ifdef FG_USE_CLOUDS_3D
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# include <simgear/sky/clouds3d/SkySceneLoader.hpp>
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# include <simgear/sky/clouds3d/SkyUtil.hpp>
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#endif
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#include <simgear/timing/sg_time.hxx>
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#include <simgear/timing/lowleveltime.h>
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#include <Aircraft/aircraft.hxx>
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#include <FDM/UIUCModel/uiuc_aircraftdir.h>
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#include <Airports/runways.hxx>
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#include <Airports/simple.hxx>
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#include <ATC/ATCdisplay.hxx>
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#include <ATC/ATCmgr.hxx>
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#include <ATC/AIMgr.hxx>
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#include <Autopilot/auto_gui.hxx>
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#include <Autopilot/newauto.hxx>
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#include <Cockpit/cockpit.hxx>
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#include <Cockpit/radiostack.hxx>
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#include <Cockpit/panel.hxx>
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#include <Cockpit/panel_io.hxx>
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#include <FDM/ADA.hxx>
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#include <FDM/Balloon.h>
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#include <FDM/ExternalNet/ExternalNet.hxx>
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#include <FDM/ExternalPipe/ExternalPipe.hxx>
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#include <FDM/JSBSim/JSBSim.hxx>
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#include <FDM/LaRCsim.hxx>
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#include <FDM/MagicCarpet.hxx>
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#include <FDM/UFO.hxx>
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#include <FDM/NullFDM.hxx>
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#include <FDM/YASim/YASim.hxx>
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#include <GUI/new_gui.hxx>
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#include <Include/general.hxx>
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#include <Input/input.hxx>
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#include <Instrumentation/instrument_mgr.hxx>
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// #include <Joystick/joystick.hxx>
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#include <Objects/matlib.hxx>
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#include <Model/acmodel.hxx>
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#include <Navaids/fixlist.hxx>
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#include <Navaids/ilslist.hxx>
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#include <Navaids/mkrbeacons.hxx>
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#include <Navaids/navlist.hxx>
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#include <Scenery/scenery.hxx>
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#include <Scenery/tilemgr.hxx>
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#if defined(HAVE_PLIB_PSL)
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#include <Scripting/scriptmgr.hxx>
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#endif
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#include <Sound/fg_fx.hxx>
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#include <Sound/soundmgr.hxx>
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#include <Systems/system_mgr.hxx>
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#include <Time/FGEventMgr.hxx>
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#include <Time/light.hxx>
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#include <Time/sunpos.hxx>
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#include <Time/moonpos.hxx>
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#include <Time/tmp.hxx>
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#ifdef FG_WEATHERCM
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# include <WeatherCM/FGLocalWeatherDatabase.h>
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#else
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# include <Environment/environment_mgr.hxx>
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#endif
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#include "fg_init.hxx"
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#include "fg_io.hxx"
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#include "fg_commands.hxx"
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#include "fg_props.hxx"
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#include "options.hxx"
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#include "globals.hxx"
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#include "logger.hxx"
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#include "viewmgr.hxx"
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#if defined(FX) && defined(XMESA)
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#include <GL/xmesa.h>
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#endif
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SG_USING_STD(string);
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extern const char *default_root;
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#ifdef FG_USE_CLOUDS_3D
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SkySceneLoader *sgCloud3d;
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#endif
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// Scan the command line options for the specified option and return
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// the value.
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static string fgScanForOption( const string& option, int argc, char **argv ) {
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int i = 1;
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SG_LOG(SG_GENERAL, SG_INFO, "Scanning command line for: " << option );
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int len = option.length();
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while ( i < argc ) {
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SG_LOG( SG_GENERAL, SG_DEBUG, "argv[" << i << "] = " << argv[i] );
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string arg = argv[i];
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if ( arg.find( option ) == 0 ) {
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return arg.substr( len );
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}
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i++;
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}
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return "";
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}
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// Scan the user config files for the specified option and return
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// the value.
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static string fgScanForOption( const string& option, const string& path ) {
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sg_gzifstream in( path );
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if ( !in.is_open() ) {
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return "";
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}
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SG_LOG( SG_GENERAL, SG_INFO, "Scanning " << path << " for: " << option );
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int len = option.length();
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in >> skipcomment;
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#ifndef __MWERKS__
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while ( ! in.eof() ) {
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#else
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char c = '\0';
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while ( in.get(c) && c != '\0' ) {
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in.putback(c);
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#endif
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string line;
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#if defined( macintosh )
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getline( in, line, '\r' );
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#else
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getline( in, line, '\n' );
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#endif
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// catch extraneous (DOS) line ending character
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if ( line[line.length() - 1] < 32 ) {
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line = line.substr( 0, line.length()-1 );
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}
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if ( line.find( option ) == 0 ) {
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return line.substr( len );
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}
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in >> skipcomment;
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}
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return "";
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}
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// Read in configuration (files and command line options) but only set
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// fg_root
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bool fgInitFGRoot ( int argc, char **argv ) {
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string root;
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char* envp;
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// First parse command line options looking for --fg-root=, this
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// will override anything specified in a config file
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root = fgScanForOption( "--fg-root=", argc, argv);
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#if defined( unix ) || defined( __CYGWIN__ )
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// Next check home directory for .fgfsrc.hostname file
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if ( root.empty() ) {
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envp = ::getenv( "HOME" );
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if ( envp != NULL ) {
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SGPath config( envp );
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config.append( ".fgfsrc" );
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char name[256];
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gethostname( name, 256 );
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config.concat( "." );
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config.concat( name );
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root = fgScanForOption( "--fg-root=", config.str() );
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}
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}
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#endif
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// Next check home directory for .fgfsrc file
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if ( root.empty() ) {
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envp = ::getenv( "HOME" );
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if ( envp != NULL ) {
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SGPath config( envp );
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config.append( ".fgfsrc" );
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root = fgScanForOption( "--fg-root=", config.str() );
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}
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}
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// Next check if fg-root is set as an env variable
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if ( root.empty() ) {
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envp = ::getenv( "FG_ROOT" );
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if ( envp != NULL ) {
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root = envp;
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}
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}
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// Otherwise, default to a random compiled-in location if we can't
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// find fg-root any other way.
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if ( root.empty() ) {
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#if defined( __CYGWIN__ )
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root = "/FlightGear";
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#elif defined( WIN32 )
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root = "\\FlightGear";
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#elif defined( macintosh )
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root = "";
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#else
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root = PKGLIBDIR;
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#endif
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}
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SG_LOG(SG_INPUT, SG_INFO, "fg_root = " << root );
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globals->set_fg_root(root);
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return true;
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}
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// Read in configuration (files and command line options) but only set
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// aircraft
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bool fgInitFGAircraft ( int argc, char **argv ) {
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string aircraft;
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char* envp;
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// First parse command line options looking for --aircraft=, this
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// will override anything specified in a config file
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aircraft = fgScanForOption( "--aircraft=", argc, argv );
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#if defined( unix ) || defined( __CYGWIN__ )
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// Next check home directory for .fgfsrc.hostname file
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if ( aircraft.empty() ) {
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envp = ::getenv( "HOME" );
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if ( envp != NULL ) {
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SGPath config( envp );
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config.append( ".fgfsrc" );
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char name[256];
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gethostname( name, 256 );
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config.concat( "." );
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config.concat( name );
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aircraft = fgScanForOption( "--aircraft=", config.str() );
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}
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}
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#endif
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// Next check home directory for .fgfsrc file
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if ( aircraft.empty() ) {
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envp = ::getenv( "HOME" );
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if ( envp != NULL ) {
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SGPath config( envp );
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config.append( ".fgfsrc" );
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aircraft = fgScanForOption( "--aircraft=", config.str() );
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}
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}
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// if an aircraft was specified, set the property name
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if ( !aircraft.empty() ) {
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SG_LOG(SG_INPUT, SG_INFO, "aircraft = " << aircraft );
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fgSetString("/sim/aircraft", aircraft.c_str() );
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} else {
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SG_LOG(SG_INPUT, SG_INFO, "No user specified aircraft, using default" );
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}
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return true;
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}
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// Return the current base package version
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string fgBasePackageVersion() {
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SGPath base_path( globals->get_fg_root() );
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base_path.append("version");
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sg_gzifstream in( base_path.str() );
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if ( !in.is_open() ) {
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SGPath old_path( globals->get_fg_root() );
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old_path.append( "Thanks" );
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sg_gzifstream old( old_path.str() );
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if ( !old.is_open() ) {
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return "[none]";
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} else {
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return "[old version]";
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}
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}
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string version;
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in >> version;
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return version;
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}
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// Initialize the localization
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SGPropertyNode *fgInitLocale(const char *language) {
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SGPropertyNode *c_node = NULL, *d_node = NULL;
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SGPropertyNode *intl = fgGetNode("/sim/intl");
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SG_LOG(SG_GENERAL, SG_INFO, "Selecting language: " << language );
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// localization not defined
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if (!intl)
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return NULL;
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//
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// Select the proper language from the list
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//
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vector<SGPropertyNode_ptr> locale = intl->getChildren("locale");
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for (unsigned int i = 0; i < locale.size(); i++) {
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vector<SGPropertyNode_ptr> lang = locale[i]->getChildren("lang");
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for (unsigned int j = 0; j < lang.size(); j++) {
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if (!strcmp(lang[j]->getStringValue(), language)) {
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c_node = locale[i];
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break;
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}
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}
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}
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// Get the defaults
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d_node = intl->getChild("locale");
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if (!c_node)
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c_node = d_node;
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// Check for localized font
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SGPropertyNode *font_n = c_node->getNode("font", true);
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if ( !strcmp(font_n->getStringValue(), "") )
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font_n->setStringValue(d_node->getStringValue("font", "typewriter.txf"));
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//
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// Load the default strings
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//
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SGPath d_path( globals->get_fg_root() );
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const char *d_path_str = d_node->getStringValue("strings");
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if (!d_path_str) {
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SG_LOG(SG_GENERAL, SG_ALERT, "Incorrect path in configuration file.");
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return NULL;
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}
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d_path.append(d_path_str);
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SG_LOG(SG_GENERAL, SG_INFO, "Reading localized strings from "
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<< d_path.str());
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SGPropertyNode *strings = c_node->getNode("strings");
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try {
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readProperties(d_path.str(), strings);
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} catch (const sg_exception &e) {
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SG_LOG(SG_GENERAL, SG_ALERT, "Unable to read the localized strings");
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return NULL;
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}
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//
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// Load the language specific strings
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//
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if (c_node != d_node) {
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SGPath c_path( globals->get_fg_root() );
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const char *c_path_str = c_node->getStringValue("strings");
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if (!c_path_str) {
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SG_LOG(SG_GENERAL, SG_ALERT, "Incorrect path in configuration file.");
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return NULL;
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}
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c_path.append(c_path_str);
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SG_LOG(SG_GENERAL, SG_INFO, "Reading localized strings from "
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<< c_path.str());
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try {
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readProperties(c_path.str(), strings);
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} catch (const sg_exception &e) {
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SG_LOG(SG_GENERAL, SG_ALERT, "Unable to read the localized strings");
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return NULL;
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}
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}
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return c_node;
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}
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// Initialize the localization routines
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bool fgDetectLanguage() {
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char *language = ::getenv("LANG");
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if (language == NULL) {
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SG_LOG(SG_GENERAL, SG_INFO, "Unable to detect the language" );
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language = "C";
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}
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SGPropertyNode *locale = fgInitLocale(language);
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if (!locale) {
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cerr << "No internationalization settings specified in preferences.xml"
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<< endl;
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return false;
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}
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globals->set_locale( locale );
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return true;
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}
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// Attempt to locate and parse the various non-XML config files in order
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// from least precidence to greatest precidence
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static void
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do_options (int argc, char ** argv)
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{
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// Check for $fg_root/system.fgfsrc
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SGPath config( globals->get_fg_root() );
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config.append( "system.fgfsrc" );
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fgParseOptions(config.str());
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#if defined( unix ) || defined( __CYGWIN__ )
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char name[256];
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// Check for $fg_root/system.fgfsrc.hostname
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gethostname( name, 256 );
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config.concat( "." );
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config.concat( name );
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fgParseOptions(config.str());
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#endif
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// Check for ~/.fgfsrc
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char* envp = ::getenv( "HOME" );
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if ( envp != NULL ) {
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config.set( envp );
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config.append( ".fgfsrc" );
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fgParseOptions(config.str());
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}
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#if defined( unix ) || defined( __CYGWIN__ )
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// Check for ~/.fgfsrc.hostname
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gethostname( name, 256 );
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config.concat( "." );
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config.concat( name );
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fgParseOptions(config.str());
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#endif
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// Parse remaining command line options
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// These will override anything specified in a config file
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fgParseArgs(argc, argv);
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}
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// Read in configuration (file and command line)
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bool fgInitConfig ( int argc, char **argv ) {
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// First, set some sane default values
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fgSetDefaults();
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// Read global preferences from $FG_ROOT/preferences.xml
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SG_LOG(SG_INPUT, SG_INFO, "Reading global preferences");
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fgLoadProps("preferences.xml", globals->get_props());
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SG_LOG(SG_INPUT, SG_INFO, "Finished Reading global preferences");
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// Detect the required language as early as possible
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if ( !fgDetectLanguage() ) {
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return false;
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}
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// Scan user config files and command line for a specified aircraft.
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fgInitFGAircraft(argc, argv);
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string aircraft = fgGetString("/sim/aircraft", "");
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if ( aircraft.size() > 0 ) {
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SGPath aircraft_path(globals->get_fg_root());
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aircraft_path.append("Aircraft");
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aircraft_path.append(aircraft);
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aircraft_path.concat("-set.xml");
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SG_LOG(SG_INPUT, SG_INFO, "Reading default aircraft: " << aircraft
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<< " from " << aircraft_path.str());
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try {
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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);
|
|
fgSetBool("/sim/presets/onground", false);
|
|
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 current_options lon/lat given an airport id and heading (degrees)
|
|
static bool fgSetPosFromNAV( const string& id, const double& freq ) {
|
|
FGNav *nav = current_navlist->findByIdentAndFreq( id.c_str(), freq );
|
|
|
|
// set initial position from runway and heading
|
|
if ( nav != NULL ) {
|
|
SG_LOG( SG_GENERAL, SG_INFO, "Attempting to set starting position for "
|
|
<< id << ":" << freq );
|
|
|
|
double lon = nav->get_lon();
|
|
double lat = nav->get_lat();
|
|
|
|
if ( fabs( fgGetDouble("/sim/presets/offset-distance") ) > SG_EPSILON )
|
|
{
|
|
double odist = fgGetDouble("/sim/presets/offset-distance")
|
|
* SG_NM_TO_METER;
|
|
double oaz = fabs(fgGetDouble("/sim/presets/offset-azimuth"))
|
|
+ 180.0;
|
|
while ( oaz >= 360.0 ) { oaz -= 360.0; }
|
|
double olat, olon, az2;
|
|
geo_direct_wgs_84 ( 0, lat, lon, oaz, odist, &olat, &olon, &az2 );
|
|
|
|
lat = olat;
|
|
lon = olon;
|
|
}
|
|
|
|
// presets
|
|
fgSetDouble("/sim/presets/longitude-deg", lon );
|
|
fgSetDouble("/sim/presets/latitude-deg", lat );
|
|
|
|
// other code depends on the actual values being set ...
|
|
fgSetDouble("/position/longitude-deg", lon );
|
|
fgSetDouble("/position/latitude-deg", lat );
|
|
fgSetDouble("/orientation/heading-deg",
|
|
fgGetDouble("/sim/presets/heading-deg") );
|
|
|
|
SG_LOG( SG_GENERAL, SG_INFO,
|
|
"Position for " << id << ":" << freq << " is ("
|
|
<< lon << ", "<< lat << ")" );
|
|
|
|
return true;
|
|
} else {
|
|
SG_LOG( SG_GENERAL, SG_ALERT, "Failed to locate NAV = "
|
|
<< id << ":" << freq );
|
|
return false;
|
|
}
|
|
}
|
|
|
|
|
|
// Set current_options lon/lat given an airport id and heading (degrees)
|
|
static bool fgSetPosFromFix( const string& id ) {
|
|
FGFix fix;
|
|
|
|
// set initial position from runway and heading
|
|
if ( current_fixlist->query( id.c_str(), &fix ) ) {
|
|
SG_LOG( SG_GENERAL, SG_INFO, "Attempting to set starting position for "
|
|
<< id );
|
|
|
|
double lon = fix.get_lon();
|
|
double lat = fix.get_lat();
|
|
|
|
if ( fabs( fgGetDouble("/sim/presets/offset-distance") ) > SG_EPSILON )
|
|
{
|
|
double odist = fgGetDouble("/sim/presets/offset-distance")
|
|
* SG_NM_TO_METER;
|
|
double oaz = fabs(fgGetDouble("/sim/presets/offset-azimuth"))
|
|
+ 180.0;
|
|
while ( oaz >= 360.0 ) { oaz -= 360.0; }
|
|
double olat, olon, az2;
|
|
geo_direct_wgs_84 ( 0, lat, lon, oaz, odist, &olat, &olon, &az2 );
|
|
|
|
lat = olat;
|
|
lon = olon;
|
|
}
|
|
|
|
// presets
|
|
fgSetDouble("/sim/presets/longitude-deg", lon );
|
|
fgSetDouble("/sim/presets/latitude-deg", lat );
|
|
|
|
// other code depends on the actual values being set ...
|
|
fgSetDouble("/position/longitude-deg", lon );
|
|
fgSetDouble("/position/latitude-deg", lat );
|
|
fgSetDouble("/orientation/heading-deg",
|
|
fgGetDouble("/sim/presets/heading-deg") );
|
|
|
|
SG_LOG( SG_GENERAL, SG_INFO,
|
|
"Position for " << id << " is ("
|
|
<< lon << ", "<< lat << ")" );
|
|
|
|
return true;
|
|
} else {
|
|
SG_LOG( SG_GENERAL, SG_ALERT, "Failed to locate NAV = "
|
|
<< id );
|
|
return false;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Initialize vor/ndb/ils/fix list management and query systems
|
|
*/
|
|
bool
|
|
fgInitNav ()
|
|
{
|
|
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 );
|
|
|
|
return 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");
|
|
string vor = fgGetString("/sim/presets/vor-id");
|
|
double vor_freq = fgGetDouble("/sim/presets/vor-freq");
|
|
string ndb = fgGetString("/sim/presets/ndb-id");
|
|
double ndb_freq = fgGetDouble("/sim/presets/ndb-freq");
|
|
string fix = fgGetString("/sim/presets/fix");
|
|
if ( !set_pos && !apt.empty() && !rwy_no.empty() ) {
|
|
// An airport + runway is requested
|
|
if ( fgSetPosFromAirportIDandRwy( apt, rwy_no ) ) {
|
|
// set position (a little off the heading for single
|
|
// runway airports)
|
|
fgSetTowerPosFromAirportID( apt, hdg );
|
|
|
|
set_pos = true;
|
|
}
|
|
}
|
|
if ( !set_pos && !apt.empty() ) {
|
|
// An airport is requested (find runway closest to hdg)
|
|
bool ok = false;
|
|
if (fgGetDouble("/sim/presets/altitude-ft") <= 0 &&
|
|
fgGetDouble("/sim/presets/offset-distance") == 0)
|
|
ok = fgSetPosFromAirportIDandHdg( apt, hdg );
|
|
else
|
|
ok = fgSetPosFromAirportID( apt );
|
|
|
|
if (ok) {
|
|
// set position (a little off the heading for single
|
|
// runway airports)
|
|
fgSetTowerPosFromAirportID( apt, hdg );
|
|
|
|
set_pos = true;
|
|
}
|
|
}
|
|
if ( !set_pos && !vor.empty() ) {
|
|
// a VOR is requested
|
|
if ( fgSetPosFromNAV( vor, vor_freq ) ) {
|
|
if ( fgGetDouble("/sim/presets/altitude-ft") > -9990.0 ) {
|
|
fgSetBool("/sim/presets/onground", false);
|
|
} else {
|
|
fgSetBool("/sim/presets/onground", true);
|
|
}
|
|
set_pos = true;
|
|
}
|
|
}
|
|
if ( !set_pos && !ndb.empty() ) {
|
|
// an NDB is requested
|
|
if ( fgSetPosFromNAV( ndb, ndb_freq ) ) {
|
|
if ( fgGetDouble("/sim/presets/altitude-ft") > -9990.0 ) {
|
|
fgSetBool("/sim/presets/onground", false);
|
|
} else {
|
|
fgSetBool("/sim/presets/onground", true);
|
|
}
|
|
set_pos = true;
|
|
}
|
|
}
|
|
if ( !set_pos && !fix.empty() ) {
|
|
// a Fix is requested
|
|
if ( fgSetPosFromFix( fix ) ) {
|
|
if ( fgGetDouble("/sim/presets/altitude-ft") > -9990.0 ) {
|
|
fgSetBool("/sim/presets/onground", false);
|
|
} else {
|
|
fgSetBool("/sim/presets/onground", true);
|
|
}
|
|
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.find("pipe") == 0 ) {
|
|
string pipe_path = model.substr(5);
|
|
cur_fdm_state = new FGExternalPipe( dt, pipe_path );
|
|
} 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 ( globals->get_tile_mgr()->init() ) {
|
|
// Load the local scenery data
|
|
double visibility_meters = fgGetDouble("/environment/visibility-m");
|
|
|
|
globals->get_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()",
|
|
globals->get_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->add_subsystem("logger", new FGLogger);
|
|
|
|
|
|
#if defined(HAVE_PLIB_PSL)
|
|
////////////////////////////////////////////////////////////////////
|
|
// Create and register the script manager.
|
|
////////////////////////////////////////////////////////////////////
|
|
|
|
globals->add_subsystem("scripting", new FGScriptMgr);
|
|
#endif // HAVE_PLIB_PSL
|
|
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Create and register the XML GUI.
|
|
////////////////////////////////////////////////////////////////////
|
|
|
|
globals->add_subsystem("gui", new NewGUI, FGSubsystemMgr::INIT);
|
|
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// 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
|
|
|
|
#ifdef FG_USE_CLOUDS_3D
|
|
////////////////////////////////////////////////////////////////////
|
|
// 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: ");
|
|
}
|
|
#endif
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// 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->add_subsystem("fx", new FGFX);
|
|
|
|
#endif
|
|
|
|
globals->add_subsystem("instrumentation", new FGInstrumentMgr);
|
|
globals->add_subsystem("systems", new FGSystemMgr);
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Initialize the radio stack subsystem.
|
|
////////////////////////////////////////////////////////////////////
|
|
|
|
current_radiostack = new FGRadioStack;
|
|
current_radiostack->init();
|
|
current_radiostack->bind();
|
|
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Initialize the cockpit subsystem
|
|
////////////////////////////////////////////////////////////////////
|
|
|
|
if( fgCockpitInit( ¤t_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 input subsystem.
|
|
////////////////////////////////////////////////////////////////////
|
|
|
|
globals->add_subsystem("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.
|
|
|
|
// reload offsets from config defaults
|
|
globals->get_viewmgr()->reinit();
|
|
|
|
fgInitView();
|
|
|
|
globals->get_controls()->reset_all();
|
|
globals->get_autopilot()->reset();
|
|
|
|
fgUpdateSunPos();
|
|
fgUpdateMoonPos();
|
|
cur_light_params.Update();
|
|
fgUpdateLocalTime();
|
|
|
|
if ( !freeze ) {
|
|
fgSetBool("/sim/freeze/master", false);
|
|
}
|
|
}
|
|
|