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flightgear/src/Main/options.cxx

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// options.cxx -- class to handle command line options
//
// Written by Curtis Olson, started April 1998.
//
// Copyright (C) 1998 Curtis L. Olson - curt@me.umn.edu
//
// 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
#include <simgear/compiler.h>
#include <simgear/misc/exception.hxx>
#include <simgear/debug/logstream.hxx>
#include <math.h> // rint()
#include <stdio.h>
#include <stdlib.h> // atof(), atoi()
#include <string.h> // strcmp()
#include <algorithm>
#include STL_STRING
#include <plib/ul.h>
#include <simgear/math/sg_random.h>
#include <simgear/misc/sgstream.hxx>
#include <simgear/misc/sg_path.hxx>
#include <simgear/route/route.hxx>
#include <simgear/route/waypoint.hxx>
// #include <Include/general.hxx>
// #include <Airports/simple.hxx>
// #include <Cockpit/cockpit.hxx>
// #include <FDM/flight.hxx>
// #include <FDM/UIUCModel/uiuc_aircraftdir.h>
#ifdef FG_NETWORK_OLK
# include <NetworkOLK/network.h>
#endif
#include <GUI/gui.h>
#include "globals.hxx"
#include "fg_init.hxx"
#include "fg_props.hxx"
#include "options.hxx"
#include "util.hxx"
#include "viewmgr.hxx"
SG_USING_STD(string);
SG_USING_STD(sort);
SG_USING_NAMESPACE(std);
#define NEW_DEFAULT_MODEL_HZ 120
enum
{
FG_OPTIONS_OK = 0,
FG_OPTIONS_HELP = 1,
FG_OPTIONS_ERROR = 2,
FG_OPTIONS_VERBOSE_HELP = 3,
FG_OPTIONS_SHOW_AIRCRAFT = 4
};
static double
atof( const string& str )
{
#ifdef __MWERKS__
// -dw- if ::atof is called, then we get an infinite loop
return std::atof( str.c_str() );
#else
return ::atof( str.c_str() );
#endif
}
static int
atoi( const string& str )
{
#ifdef __MWERKS__
// -dw- if ::atoi is called, then we get an infinite loop
return std::atoi( str.c_str() );
#else
return ::atoi( str.c_str() );
#endif
}
/**
* Set a few fail-safe default property values.
*
* These should all be set in $FG_ROOT/preferences.xml, but just
* in case, we provide some initial sane values here. This method
* should be invoked *before* reading any init files.
*/
void
fgSetDefaults ()
{
// set a possibly independent location for scenery data
char *envp = ::getenv( "FG_SCENERY" );
if ( envp != NULL ) {
// fg_root could be anywhere, so default to environmental
// variable $FG_ROOT if it is set.
globals->set_fg_scenery(envp);
} else {
// Otherwise, default to Scenery being in $FG_ROOT/Scenery
globals->set_fg_scenery("");
}
// Position (deliberately out of range)
fgSetDouble("/position/longitude-deg", 9999.0);
fgSetDouble("/position/latitude-deg", 9999.0);
fgSetDouble("/position/altitude-ft", -9999.0);
// Orientation
fgSetDouble("/orientation/heading-deg", 270);
fgSetDouble("/orientation/roll-deg", 0);
fgSetDouble("/orientation/pitch-deg", 0.424);
// Velocities
fgSetDouble("/velocities/uBody-fps", 0.0);
fgSetDouble("/velocities/vBody-fps", 0.0);
fgSetDouble("/velocities/wBody-fps", 0.0);
fgSetDouble("/velocities/speed-north-fps", 0.0);
fgSetDouble("/velocities/speed-east-fps", 0.0);
fgSetDouble("/velocities/speed-down-fps", 0.0);
fgSetDouble("/velocities/airspeed-kt", 0.0);
fgSetDouble("/velocities/mach", 0.0);
// Presets
fgSetDouble("/sim/presets/longitude-deg", 9999.0);
fgSetDouble("/sim/presets/latitude-deg", 9999.0);
fgSetDouble("/sim/presets/altitude-ft", -9999.0);
fgSetDouble("/sim/presets/heading-deg", 270);
fgSetDouble("/sim/presets/roll-deg", 0);
fgSetDouble("/sim/presets/pitch-deg", 0.424);
fgSetString("/sim/presets/speed-set", "knots");
fgSetDouble("/sim/presets/airspeed-kt", 0.0);
fgSetDouble("/sim/presets/mach", 0.0);
fgSetDouble("/sim/presets/uBody-fps", 0.0);
fgSetDouble("/sim/presets/vBody-fps", 0.0);
fgSetDouble("/sim/presets/wBody-fps", 0.0);
fgSetDouble("/sim/presets/speed-north-fps", 0.0);
fgSetDouble("/sim/presets/speed-east-fps", 0.0);
fgSetDouble("/sim/presets/speed-down-fps", 0.0);
fgSetBool("/sim/presets/onground", true);
fgSetBool("/sim/presets/trim", false);
// Miscellaneous
fgSetBool("/sim/startup/game-mode", false);
fgSetBool("/sim/startup/splash-screen", true);
fgSetBool("/sim/startup/intro-music", true);
// we want mouse-pointer to have an undefined value if nothing is
// specified so we can do the right thing for voodoo-1/2 cards.
// fgSetString("/sim/startup/mouse-pointer", "disabled");
fgSetString("/sim/control-mode", "joystick");
fgSetBool("/sim/auto-coordination", false);
#if !defined(WIN32)
fgSetString("/sim/startup/browser-app", "netscape");
#else
fgSetString("/sim/startup/browser-app", "webrun.bat");
#endif
fgSetInt("/sim/log-level", SG_WARN);
// Features
fgSetBool("/sim/hud/antialiased", false);
fgSetBool("/sim/hud/enable3d", true);
fgSetBool("/sim/hud/visibility", false);
fgSetBool("/sim/panel/visibility", true);
fgSetBool("/sim/sound/audible", true);
// Flight Model options
fgSetString("/sim/flight-model", "jsb");
fgSetString("/sim/aero", "c172");
fgSetInt("/sim/model-hz", NEW_DEFAULT_MODEL_HZ);
fgSetInt("/sim/speed-up", 1);
// Rendering options
fgSetString("/sim/rendering/fog", "nicest");
fgSetBool("/environment/clouds/status", true);
fgSetBool("/sim/startup/fullscreen", false);
fgSetBool("/sim/rendering/shading", true);
fgSetBool("/sim/rendering/skyblend", true);
fgSetBool("/sim/rendering/textures", true);
fgSetBool("/sim/rendering/wireframe", false);
fgSetBool("/sim/rendering/horizon-effect", false);
fgSetBool("/sim/rendering/enhanced-lighting", false);
fgSetBool("/sim/rendering/distance-attenuation", false);
fgSetBool("/sim/rendering/specular-highlight", true);
fgSetInt("/sim/startup/xsize", 800);
fgSetInt("/sim/startup/ysize", 600);
fgSetInt("/sim/rendering/bits-per-pixel", 16);
fgSetString("/sim/view-mode", "pilot");
fgSetDouble("/sim/current-view/heading-offset-deg", 0);
// HUD options
fgSetString("/sim/startup/units", "feet");
fgSetString("/sim/hud/frame-stat-type", "tris");
// Time options
fgSetInt("/sim/startup/time-offset", 0);
fgSetString("/sim/startup/time-offset-type", "system-offset");
fgSetLong("/sim/time/cur-time-override", 0);
fgSetBool("/sim/networking/network-olk", false);
fgSetString("/sim/networking/call-sign", "Johnny");
// Freeze options
fgSetBool("/sim/freeze/master", false);
fgSetBool("/sim/freeze/position", false);
fgSetBool("/sim/freeze/clock", false);
fgSetBool("/sim/freeze/fuel", false);
#ifdef FG_MPLAYER_AS
fgSetString("/sim/multiplay/callsign", "callsign");
fgSetString("/sim/multiplay/rxhost", "0");
fgSetString("/sim/multiplay/txhost", "0");
fgSetInt("/sim/multiplay/rxport", 0);
fgSetInt("/sim/multiplay/txport", 0);
#endif
}
static bool
parse_wind (const string &wind, double * min_hdg, double * max_hdg,
double * speed, double * gust)
{
string::size_type pos = wind.find('@');
if (pos == string::npos)
return false;
string dir = wind.substr(0, pos);
string spd = wind.substr(pos+1);
pos = dir.find(':');
if (pos == string::npos) {
*min_hdg = *max_hdg = atof(dir.c_str());
} else {
*min_hdg = atof(dir.substr(0,pos).c_str());
*max_hdg = atof(dir.substr(pos+1).c_str());
}
pos = spd.find(':');
if (pos == string::npos) {
*speed = *gust = atof(spd.c_str());
} else {
*speed = atof(spd.substr(0,pos).c_str());
*gust = atof(spd.substr(pos+1).c_str());
}
return true;
}
// parse a time string ([+/-]%f[:%f[:%f]]) into hours
static double
parse_time(const string& time_in) {
char *time_str, num[256];
double hours, minutes, seconds;
double result = 0.0;
int sign = 1;
int i;
time_str = (char *)time_in.c_str();
// printf("parse_time(): %s\n", time_str);
// check for sign
if ( strlen(time_str) ) {
if ( time_str[0] == '+' ) {
sign = 1;
time_str++;
} else if ( time_str[0] == '-' ) {
sign = -1;
time_str++;
}
}
// printf("sign = %d\n", sign);
// get hours
if ( strlen(time_str) ) {
i = 0;
while ( (time_str[0] != ':') && (time_str[0] != '\0') ) {
num[i] = time_str[0];
time_str++;
i++;
}
if ( time_str[0] == ':' ) {
time_str++;
}
num[i] = '\0';
hours = atof(num);
// printf("hours = %.2lf\n", hours);
result += hours;
}
// get minutes
if ( strlen(time_str) ) {
i = 0;
while ( (time_str[0] != ':') && (time_str[0] != '\0') ) {
num[i] = time_str[0];
time_str++;
i++;
}
if ( time_str[0] == ':' ) {
time_str++;
}
num[i] = '\0';
minutes = atof(num);
// printf("minutes = %.2lf\n", minutes);
result += minutes / 60.0;
}
// get seconds
if ( strlen(time_str) ) {
i = 0;
while ( (time_str[0] != ':') && (time_str[0] != '\0') ) {
num[i] = time_str[0];
time_str++;
i++;
}
num[i] = '\0';
seconds = atof(num);
// printf("seconds = %.2lf\n", seconds);
result += seconds / 3600.0;
}
SG_LOG( SG_GENERAL, SG_INFO, " parse_time() = " << sign * result );
return(sign * result);
}
// parse a date string (yyyy:mm:dd:hh:mm:ss) into a time_t (seconds)
static long int
parse_date( const string& date)
{
struct tm gmt;
char * date_str, num[256];
int i;
// initialize to zero
gmt.tm_sec = 0;
gmt.tm_min = 0;
gmt.tm_hour = 0;
gmt.tm_mday = 0;
gmt.tm_mon = 0;
gmt.tm_year = 0;
gmt.tm_isdst = 0; // ignore daylight savings time for the moment
date_str = (char *)date.c_str();
// get year
if ( strlen(date_str) ) {
i = 0;
while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
num[i] = date_str[0];
date_str++;
i++;
}
if ( date_str[0] == ':' ) {
date_str++;
}
num[i] = '\0';
gmt.tm_year = atoi(num) - 1900;
}
// get month
if ( strlen(date_str) ) {
i = 0;
while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
num[i] = date_str[0];
date_str++;
i++;
}
if ( date_str[0] == ':' ) {
date_str++;
}
num[i] = '\0';
gmt.tm_mon = atoi(num) -1;
}
// get day
if ( strlen(date_str) ) {
i = 0;
while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
num[i] = date_str[0];
date_str++;
i++;
}
if ( date_str[0] == ':' ) {
date_str++;
}
num[i] = '\0';
gmt.tm_mday = atoi(num);
}
// get hour
if ( strlen(date_str) ) {
i = 0;
while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
num[i] = date_str[0];
date_str++;
i++;
}
if ( date_str[0] == ':' ) {
date_str++;
}
num[i] = '\0';
gmt.tm_hour = atoi(num);
}
// get minute
if ( strlen(date_str) ) {
i = 0;
while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
num[i] = date_str[0];
date_str++;
i++;
}
if ( date_str[0] == ':' ) {
date_str++;
}
num[i] = '\0';
gmt.tm_min = atoi(num);
}
// get second
if ( strlen(date_str) ) {
i = 0;
while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
num[i] = date_str[0];
date_str++;
i++;
}
if ( date_str[0] == ':' ) {
date_str++;
}
num[i] = '\0';
gmt.tm_sec = atoi(num);
}
time_t theTime = sgTimeGetGMT( gmt.tm_year, gmt.tm_mon, gmt.tm_mday,
gmt.tm_hour, gmt.tm_min, gmt.tm_sec );
//printf ("Date is %s\n", ctime(&theTime));
//printf ("in seconds that is %d\n", theTime);
//exit(1);
return (theTime);
}
// parse angle in the form of [+/-]ddd:mm:ss into degrees
static double
parse_degree( const string& degree_str) {
double result = parse_time( degree_str );
// printf("Degree = %.4f\n", result);
return(result);
}
// parse time offset string into seconds
static int
parse_time_offset( const string& time_str) {
int result;
// printf("time offset = %s\n", time_str);
#ifdef HAVE_RINT
result = (int)rint(parse_time(time_str) * 3600.0);
#else
result = (int)(parse_time(time_str) * 3600.0);
#endif
// printf("parse_time_offset(): %d\n", result);
return( result );
}
// Parse --fov=x.xx type option
static double
parse_fov( const string& arg ) {
double fov = atof(arg);
if ( fov < FG_FOV_MIN ) { fov = FG_FOV_MIN; }
if ( fov > FG_FOV_MAX ) { fov = FG_FOV_MAX; }
fgSetDouble("/sim/current-view/field-of-view", fov);
// printf("parse_fov(): result = %.4f\n", fov);
return fov;
}
// Parse I/O channel option
//
// Format is "--protocol=medium,direction,hz,medium_options,..."
//
// protocol = { native, nmea, garmin, fgfs, rul, pve, etc. }
// medium = { serial, socket, file, etc. }
// direction = { in, out, bi }
// hz = number of times to process channel per second (floating
// point values are ok.
//
// Serial example "--nmea=serial,dir,hz,device,baud" where
//
// device = OS device name of serial line to be open()'ed
// baud = {300, 1200, 2400, ..., 230400}
//
// Socket exacmple "--native=socket,dir,hz,machine,port,style" where
//
// machine = machine name or ip address if client (leave empty if server)
// port = port, leave empty to let system choose
// style = tcp or udp
//
// File example "--garmin=file,dir,hz,filename" where
//
// filename = file system file name
static bool
add_channel( const string& type, const string& channel_str ) {
SG_LOG(SG_GENERAL, SG_INFO, "Channel string = " << channel_str );
globals->get_channel_options_list()->push_back( type + "," + channel_str );
// cout << "here" << endl;
return true;
}
static void
setup_wind (double min_hdg, double max_hdg, double speed, double gust)
{
// Initialize to a reasonable state
fgDefaultWeatherValue("wind-from-heading-deg", min_hdg);
fgDefaultWeatherValue("wind-speed-kt", speed);
SG_LOG(SG_GENERAL, SG_INFO, "WIND: " << min_hdg << '@' <<
speed << " knots" << endl);
// Now, add some variety to the layers
min_hdg += 10;
if (min_hdg > 360)
min_hdg -= 360;
speed *= 1.2;
fgSetDouble("/environment/config/boundary/entry[1]/wind-from-heading-deg",
min_hdg);
fgSetDouble("/environment/config/boundary/entry[1]/wind-speed-kt",
speed);
min_hdg += 20;
if (min_hdg > 360)
min_hdg -= 360;
speed *= 1.5;
fgSetDouble("/environment/config/aloft/entry[0]/wind-from-heading-deg",
min_hdg);
fgSetDouble("/environment/config/aloft/entry[0]/wind-speed-kt",
speed);
min_hdg += 10;
if (min_hdg > 360)
min_hdg -= 360;
speed *= 1.2;
fgSetDouble("/environment/config/aloft/entry[1]/wind-from-heading-deg",
min_hdg);
fgSetDouble("/environment/config/aloft/entry[1]/wind-speed-kt",
speed);
min_hdg += 10;
if (min_hdg > 360)
min_hdg -= 360;
speed *= 1.2;
fgSetDouble("/environment/config/aloft/entry[2]/wind-from-heading-deg",
min_hdg);
fgSetDouble("/environment/config/aloft/entry[2]/wind-speed-kt",
speed);
#ifdef FG_WEATHERCM
// convert to fps
speed *= SG_NM_TO_METER * SG_METER_TO_FEET * (1.0/3600);
while (min_hdg > 360)
min_hdg -= 360;
while (min_hdg <= 0)
min_hdg += 360;
min_hdg *= SGD_DEGREES_TO_RADIANS;
fgSetDouble("/environment/wind-from-north-fps", speed * cos(dir));
fgSetDouble("/environment/wind-from-east-fps", speed * sin(dir));
#endif // FG_WEATHERCM
}
// Parse --wp=ID[@alt]
static bool
parse_wp( const string& arg ) {
string id, alt_str;
double alt = 0.0;
string::size_type pos = arg.find( "@" );
if ( pos != string::npos ) {
id = arg.substr( 0, pos );
alt_str = arg.substr( pos + 1 );
// cout << "id str = " << id << " alt str = " << alt_str << endl;
alt = atof( alt_str.c_str() );
if ( !strcmp(fgGetString("/sim/startup/units"), "feet") ) {
alt *= SG_FEET_TO_METER;
}
} else {
id = arg;
}
FGAirport a;
if ( fgFindAirportID( id, &a ) ) {
SGWayPoint wp( a.longitude, a.latitude, alt, SGWayPoint::WGS84, id );
globals->get_route()->add_waypoint( wp );
return true;
} else {
return false;
}
}
// Parse --flight-plan=[file]
static bool
parse_flightplan(const string& arg)
{
sg_gzifstream in(arg.c_str());
if ( !in.is_open() ) {
return false;
}
while ( true ) {
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 ( in.eof() ) {
break;
}
parse_wp(line);
}
return true;
}
static int
fgOptLanguage( const char *arg )
{
globals->set_locale( fgInitLocale( arg ) );
return FG_OPTIONS_OK;
}
static void
clearLocation ()
{
fgSetString("/sim/presets/airport-id", "");
fgSetString("/sim/presets/vor-id", "");
fgSetString("/sim/presets/ndb-id", "");
fgSetString("/sim/presets/fix", "");
}
static int
fgOptVOR( const char * arg )
{
clearLocation();
fgSetString("/sim/presets/vor-id", arg);
return FG_OPTIONS_OK;
}
static int
fgOptNDB( const char * arg )
{
clearLocation();
fgSetString("/sim/presets/ndb-id", arg);
return FG_OPTIONS_OK;
}
static int
fgOptFIX( const char * arg )
{
clearLocation();
fgSetString("/sim/presets/fix", arg);
return FG_OPTIONS_OK;
}
static int
fgOptLon( const char *arg )
{
clearLocation();
fgSetDouble("/sim/presets/longitude-deg", parse_degree( arg ));
fgSetDouble("/position/longitude-deg", parse_degree( arg ));
return FG_OPTIONS_OK;
}
static int
fgOptLat( const char *arg )
{
clearLocation();
fgSetDouble("/sim/presets/latitude-deg", parse_degree( arg ));
fgSetDouble("/position/latitude-deg", parse_degree( arg ));
return FG_OPTIONS_OK;
}
static int
fgOptAltitude( const char *arg )
{
fgSetBool("/sim/presets/onground", false);
if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
fgSetDouble("/sim/presets/altitude-ft", atof( arg ));
else
fgSetDouble("/sim/presets/altitude-ft",
atof( arg ) * SG_METER_TO_FEET);
return FG_OPTIONS_OK;
}
static int
fgOptUBody( const char *arg )
{
fgSetString("/sim/presets/speed-set", "UVW");
if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
fgSetDouble("/sim/presets/uBody-fps", atof( arg ));
else
fgSetDouble("/sim/presets/uBody-fps",
atof( arg ) * SG_METER_TO_FEET);
return FG_OPTIONS_OK;
}
static int
fgOptVBody( const char *arg )
{
fgSetString("/sim/presets/speed-set", "UVW");
if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
fgSetDouble("/sim/presets/vBody-fps", atof( arg ));
else
fgSetDouble("/sim/presets/vBody-fps",
atof( arg ) * SG_METER_TO_FEET);
return FG_OPTIONS_OK;
}
static int
fgOptWBody( const char *arg )
{
fgSetString("/sim/presets/speed-set", "UVW");
if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
fgSetDouble("/sim/presets/wBody-fps", atof(arg));
else
fgSetDouble("/sim/presets/wBody-fps",
atof(arg) * SG_METER_TO_FEET);
return FG_OPTIONS_OK;
}
static int
fgOptVNorth( const char *arg )
{
fgSetString("/sim/presets/speed-set", "NED");
if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
fgSetDouble("/sim/presets/speed-north-fps", atof( arg ));
else
fgSetDouble("/sim/presets/speed-north-fps",
atof( arg ) * SG_METER_TO_FEET);
return FG_OPTIONS_OK;
}
static int
fgOptVEast( const char *arg )
{
fgSetString("/sim/presets/speed-set", "NED");
if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
fgSetDouble("/sim/presets/speed-east-fps", atof(arg));
else
fgSetDouble("/sim/presets/speed-east-fps",
atof(arg) * SG_METER_TO_FEET);
return FG_OPTIONS_OK;
}
static int
fgOptVDown( const char *arg )
{
fgSetString("/sim/presets/speed-set", "NED");
if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
fgSetDouble("/sim/presets/speed-down-fps", atof(arg));
else
fgSetDouble("/sim/presets/speed-down-fps",
atof(arg) * SG_METER_TO_FEET);
return FG_OPTIONS_OK;
}
static int
fgOptVc( const char *arg )
{
// fgSetString("/sim/presets/speed-set", "knots");
// fgSetDouble("/velocities/airspeed-kt", atof(arg.substr(5)));
fgSetString("/sim/presets/speed-set", "knots");
fgSetDouble("/sim/presets/airspeed-kt", atof(arg));
return FG_OPTIONS_OK;
}
static int
fgOptMach( const char *arg )
{
fgSetString("/sim/presets/speed-set", "mach");
fgSetDouble("/sim/presets/mach", atof(arg));
return FG_OPTIONS_OK;
}
static int
fgOptRoc( const char *arg )
{
fgSetDouble("/velocities/vertical-speed-fps", atof(arg)/60);
return FG_OPTIONS_OK;
}
static int
fgOptFgRoot( const char *arg )
{
globals->set_fg_root(arg);
return FG_OPTIONS_OK;
}
static int
fgOptFgScenery( const char *arg )
{
globals->set_fg_scenery(arg);
return FG_OPTIONS_OK;
}
static int
fgOptFov( const char *arg )
{
parse_fov( arg );
return FG_OPTIONS_OK;
}
static int
fgOptGeometry( const char *arg )
{
bool geometry_ok = true;
int xsize = 0, ysize = 0;
string geometry = arg;
string::size_type i = geometry.find('x');
if (i != string::npos) {
xsize = atoi(geometry.substr(0, i));
ysize = atoi(geometry.substr(i+1));
} else {
geometry_ok = false;
}
if ( xsize <= 0 || ysize <= 0 ) {
xsize = 640;
ysize = 480;
geometry_ok = false;
}
if ( !geometry_ok ) {
SG_LOG( SG_GENERAL, SG_ALERT, "Unknown geometry: " << geometry );
SG_LOG( SG_GENERAL, SG_ALERT,
"Setting geometry to " << xsize << 'x' << ysize << '\n');
} else {
SG_LOG( SG_GENERAL, SG_INFO,
"Setting geometry to " << xsize << 'x' << ysize << '\n');
fgSetInt("/sim/startup/xsize", xsize);
fgSetInt("/sim/startup/ysize", ysize);
}
return FG_OPTIONS_OK;
}
static int
fgOptBpp( const char *arg )
{
string bits_per_pix = arg;
if ( bits_per_pix == "16" ) {
fgSetInt("/sim/rendering/bits-per-pixel", 16);
} else if ( bits_per_pix == "24" ) {
fgSetInt("/sim/rendering/bits-per-pixel", 24);
} else if ( bits_per_pix == "32" ) {
fgSetInt("/sim/rendering/bits-per-pixel", 32);
} else {
SG_LOG(SG_GENERAL, SG_ALERT, "Unsupported bpp " << bits_per_pix);
}
return FG_OPTIONS_OK;
}
static int
fgOptTimeOffset( const char *arg )
{
fgSetInt("/sim/startup/time-offset",
parse_time_offset( arg ));
fgSetString("/sim/startup/time-offset-type", "system-offset");
return FG_OPTIONS_OK;
}
static int
fgOptStartDateSys( const char *arg )
{
fgSetInt("/sim/startup/time-offset", parse_date( arg ) );
fgSetString("/sim/startup/time-offset-type", "system");
return FG_OPTIONS_OK;
}
static int
fgOptStartDateLat( const char *arg )
{
fgSetInt("/sim/startup/time-offset", parse_date( arg ) );
fgSetString("/sim/startup/time-offset-type", "latitude");
return FG_OPTIONS_OK;
}
static int
fgOptStartDateGmt( const char *arg )
{
fgSetInt("/sim/startup/time-offset", parse_date( arg ) );
fgSetString("/sim/startup/time-offset-type", "gmt");
return FG_OPTIONS_OK;
}
#ifdef FG_NETWORK_OLK
static int
fgOptNetHud( const char *arg )
{
fgSetBool("/sim/hud/net-display", true);
net_hud_display = 1; // FIXME
return FG_OPTIONS_OK;
}
#endif
static int
fgOptTraceRead( const char *arg )
{
string name = arg;
SG_LOG(SG_GENERAL, SG_INFO, "Tracing reads for property " << name);
fgGetNode(name.c_str(), true)
->setAttribute(SGPropertyNode::TRACE_READ, true);
return FG_OPTIONS_OK;
}
static int
fgOptTraceWrite( const char *arg )
{
string name = arg;
SG_LOG(SG_GENERAL, SG_INFO, "Tracing writes for property " << name);
fgGetNode(name.c_str(), true)
->setAttribute(SGPropertyNode::TRACE_WRITE, true);
return FG_OPTIONS_OK;
}
static int
fgOptViewOffset( const char *arg )
{
// $$$ begin - added VS Renganathan, 14 Oct 2K
// for multi-window outside window imagery
string woffset = arg;
double default_view_offset = 0.0;
if ( woffset == "LEFT" ) {
default_view_offset = SGD_PI * 0.25;
} else if ( woffset == "RIGHT" ) {
default_view_offset = SGD_PI * 1.75;
} else if ( woffset == "CENTER" ) {
default_view_offset = 0.00;
} else {
default_view_offset = atof( woffset.c_str() ) * SGD_DEGREES_TO_RADIANS;
}
/* apparently not used (CLO, 11 Jun 2002)
FGViewer *pilot_view =
(FGViewer *)globals->get_viewmgr()->get_view( 0 ); */
// this will work without calls to the viewer...
fgSetDouble( "/sim/current-view/heading-offset-deg",
default_view_offset * SGD_RADIANS_TO_DEGREES );
// $$$ end - added VS Renganathan, 14 Oct 2K
return FG_OPTIONS_OK;
}
static int
fgOptVisibilityMeters( const char *arg )
{
double visibility = atof( arg );
fgDefaultWeatherValue("visibility-m", visibility);
return FG_OPTIONS_OK;
}
static int
fgOptVisibilityMiles( const char *arg )
{
double visibility = atof( arg ) * 5280.0 * SG_FEET_TO_METER;
fgDefaultWeatherValue("visibility-m", visibility);
return FG_OPTIONS_OK;
}
static int
fgOptRandomWind( const char *arg )
{
double min_hdg = sg_random() * 360.0;
double max_hdg = min_hdg + (20 - sqrt(sg_random() * 400));
double speed = 40 - sqrt(sg_random() * 1600.0);
double gust = speed + (10 - sqrt(sg_random() * 100));
setup_wind(min_hdg, max_hdg, speed, gust);
return FG_OPTIONS_OK;
}
static int
fgOptWind( const char *arg )
{
double min_hdg, max_hdg, speed, gust;
if (!parse_wind( arg, &min_hdg, &max_hdg, &speed, &gust)) {
SG_LOG( SG_GENERAL, SG_ALERT, "bad wind value " << arg );
return FG_OPTIONS_ERROR;
}
setup_wind(min_hdg, max_hdg, speed, gust);
return FG_OPTIONS_OK;
}
static int
fgOptTurbulence( const char *arg )
{
fgDefaultWeatherValue("turbulence/magnitude-norm", atof(arg));
return FG_OPTIONS_OK;
}
static int
fgOptCeiling( const char *arg )
{
double elevation, thickness;
string spec = arg;
string::size_type pos = spec.find(':');
if (pos == string::npos) {
elevation = atof(spec.c_str());
thickness = 2000;
} else {
elevation = atof(spec.substr(0, pos).c_str());
thickness = atof(spec.substr(pos + 1).c_str());
}
fgSetDouble("/environment/clouds/layer[0]/elevation-ft", elevation);
fgSetDouble("/environment/clouds/layer[0]/thickness-ft", thickness);
fgSetString("/environment/clouds/layer[0]/coverage", "overcast");
return FG_OPTIONS_OK;
}
static int
fgOptWp( const char *arg )
{
parse_wp( arg );
return FG_OPTIONS_OK;
}
static int
fgOptFlightPlan( const char *arg )
{
parse_flightplan ( arg );
return FG_OPTIONS_OK;
}
static int
fgOptConfig( const char *arg )
{
string file = arg;
try {
readProperties(file, globals->get_props());
} catch (const sg_exception &e) {
string message = "Error loading config file: ";
message += e.getFormattedMessage();
SG_LOG(SG_INPUT, SG_ALERT, message);
exit(2);
}
return FG_OPTIONS_OK;
}
static bool
parse_colon (const string &s, double * val1, double * val2)
{
string::size_type pos = s.find(':');
if (pos == string::npos) {
*val2 = atof(s);
return false;
} else {
*val1 = atof(s.substr(0, pos).c_str());
*val2 = atof(s.substr(pos+1).c_str());
return true;
}
}
static int
fgOptFailure( const char * arg )
{
string a = arg;
if (a == "pitot") {
fgSetBool("/systems/pitot/serviceable", false);
} else if (a == "static") {
fgSetBool("/systems/static/serviceable", false);
} else if (a == "vacuum") {
fgSetBool("/systems/vacuum/serviceable", false);
} else if (a == "electrical") {
fgSetBool("/systems/electrical/serviceable", false);
} else {
SG_LOG(SG_INPUT, SG_ALERT, "Unknown failure mode: " << a);
return FG_OPTIONS_ERROR;
}
return FG_OPTIONS_OK;
}
static int
fgOptNAV1( const char * arg )
{
double radial, freq;
if (parse_colon(arg, &radial, &freq))
fgSetDouble("/radios/nav[0]/radials/selected-deg", radial);
fgSetDouble("/radios/nav[0]/frequencies/selected-mhz", freq);
return FG_OPTIONS_OK;
}
static int
fgOptNAV2( const char * arg )
{
double radial, freq;
if (parse_colon(arg, &radial, &freq))
fgSetDouble("/radios/nav[1]/radials/selected-deg", radial);
fgSetDouble("/radios/nav[1]/frequencies/selected-mhz", freq);
return FG_OPTIONS_OK;
}
static int
fgOptADF( const char * arg )
{
double rot, freq;
if (parse_colon(arg, &rot, &freq))
fgSetDouble("/radios/kr-87/inputs/rotation-deg", rot);
fgSetDouble("/radios/kr-87/outputs/selected-khz", freq);
return FG_OPTIONS_OK;
}
static int
fgOptDME( const char *arg )
{
string opt = arg;
if (opt == "nav1") {
fgSetInt("/instrumentation/dme/switch-position", 1);
fgSetString("/instrumentation/dme/frequencies/source",
"/radios/nav[0]/frequencies/selected-mhz");
} else if (opt == "nav2") {
fgSetInt("/instrumentation/dme/switch-position", 3);
fgSetString("/instrumentation/dme/frequencies/source",
"/radios/nav[1]/frequencies/selected-mhz");
} else {
fgSetInt("/instrumentation/dme/switch-position", 2);
fgSetString("/instrumentation/dme/frequencies/source",
"/instrumentation/dme/frequencies/selected-mhz");
fgSetString("/instrumentation/dme/frequencies/selected-mhz", arg);
}
return FG_OPTIONS_OK;
}
static map<string,size_t> fgOptionMap;
/*
option has_param type property b_param s_param func
where:
option : name of the option
has_param : option is --name=value if true or --name if false
type : OPTION_BOOL - property is a boolean
OPTION_STRING - property is a string
OPTION_DOUBLE - property is a double
OPTION_INT - property is an integer
OPTION_CHANNEL - name of option is the name of a channel
OPTION_FUNC - the option trigger a function
b_param : if type==OPTION_BOOL,
value set to the property (has_param is false for boolean)
s_param : if type==OPTION_STRING,
value set to the property if has_param is false
func : function called if type==OPTION_FUNC. if has_param is true,
the value is passed to the function as a string, otherwise,
0 is passed.
For OPTION_DOUBLE and OPTION_INT, the parameter value is converted into a
double or an integer and set to the property.
For OPTION_CHANNEL, add_channel is called with the parameter value as the
argument.
*/
enum OptionType { OPTION_BOOL, OPTION_STRING, OPTION_DOUBLE, OPTION_INT, OPTION_CHANNEL, OPTION_FUNC };
struct OptionDesc {
char *option;
bool has_param;
enum OptionType type;
char *property;
bool b_param;
char *s_param;
int (*func)( const char * );
} fgOptionArray[] = {
{"language", true, OPTION_FUNC, "", false, "", fgOptLanguage },
{"disable-game-mode", false, OPTION_BOOL, "/sim/startup/game-mode", false, "", 0 },
{"enable-game-mode", false, OPTION_BOOL, "/sim/startup/game-mode", true, "", 0 },
{"disable-splash-screen", false, OPTION_BOOL, "/sim/startup/splash-screen", false, "", 0 },
{"enable-splash-screen", false, OPTION_BOOL, "/sim/startup/splash-screen", true, "", 0 },
{"disable-intro-music", false, OPTION_BOOL, "/sim/startup/intro-music", false, "", 0 },
{"enable-intro-music", false, OPTION_BOOL, "/sim/startup/intro-music", true, "", 0 },
{"disable-mouse-pointer", false, OPTION_STRING, "/sim/startup/mouse-pointer", false, "disabled", 0 },
{"enable-mouse-pointer", false, OPTION_STRING, "/sim/startup/mouse-pointer", false, "enabled", 0 },
{"disable-random-objects", false, OPTION_BOOL, "/sim/rendering/random-objects", false, "", 0 },
{"enable-random-objects", false, OPTION_BOOL, "/sim/rendering/random-objects", true, "", 0 },
{"disable-freeze", false, OPTION_BOOL, "/sim/freeze/master", false, "", 0 },
{"enable-freeze", false, OPTION_BOOL, "/sim/freeze/master", true, "", 0 },
{"disable-fuel-freeze", false, OPTION_BOOL, "/sim/freeze/fuel", false, "", 0 },
{"enable-fuel-freeze", false, OPTION_BOOL, "/sim/freeze/fuel", true, "", 0 },
{"disable-clock-freeze", false, OPTION_BOOL, "/sim/freeze/clock", false, "", 0 },
{"enable-clock-freeze", false, OPTION_BOOL, "/sim/freeze/clock", true, "", 0 },
{"disable-hud-3d", false, OPTION_BOOL, "/sim/hud/enable3d", false, "", 0 },
{"enable-hud-3d", false, OPTION_BOOL, "/sim/hud/enable3d", true, "", 0 },
{"disable-anti-alias-hud", false, OPTION_BOOL, "/sim/hud/antialiased", false, "", 0 },
{"enable-anti-alias-hud", false, OPTION_BOOL, "/sim/hud/antialiased", true, "", 0 },
{"control", true, OPTION_STRING, "/sim/control-mode", false, "", 0 },
{"disable-auto-coordination", false, OPTION_BOOL, "/sim/auto-coordination", false, "", 0 },
{"enable-auto-coordination", false, OPTION_BOOL, "/sim/auto-coordination", true, "", 0 },
{"browser-app", true, OPTION_STRING, "/sim/startup/browser-app", false, "", 0 },
{"disable-hud", false, OPTION_BOOL, "/sim/hud/visibility", false, "", 0 },
{"enable-hud", false, OPTION_BOOL, "/sim/hud/visibility", true, "", 0 },
{"disable-panel", false, OPTION_BOOL, "/sim/panel/visibility", false, "", 0 },
{"enable-panel", false, OPTION_BOOL, "/sim/panel/visibility", true, "", 0 },
{"disable-sound", false, OPTION_BOOL, "/sim/sound/audible", false, "", 0 },
{"enable-sound", false, OPTION_BOOL, "/sim/sound/audible", true, "", 0 },
{"airport", true, OPTION_STRING, "/sim/presets/airport-id", false, "", 0 },
{"airport-id", true, OPTION_STRING, "/sim/presets/airport-id", false, "", 0 },
{"runway", true, OPTION_STRING, "/sim/presets/runway", false, "", 0 },
{"vor", true, OPTION_FUNC, "", false, "", fgOptVOR },
{"ndb", true, OPTION_FUNC, "", false, "", fgOptNDB },
{"fix", true, OPTION_FUNC, "", false, "", fgOptFIX },
{"offset-distance", true, OPTION_DOUBLE, "/sim/presets/offset-distance", false, "", 0 },
{"offset-azimuth", true, OPTION_DOUBLE, "/sim/presets/offset-azimuth", false, "", 0 },
{"lon", true, OPTION_FUNC, "", false, "", fgOptLon },
{"lat", true, OPTION_FUNC, "", false, "", fgOptLat },
{"altitude", true, OPTION_FUNC, "", false, "", fgOptAltitude },
{"uBody", true, OPTION_FUNC, "", false, "", fgOptUBody },
{"vBody", true, OPTION_FUNC, "", false, "", fgOptVBody },
{"wBody", true, OPTION_FUNC, "", false, "", fgOptWBody },
{"vNorth", true, OPTION_FUNC, "", false, "", fgOptVNorth },
{"vEast", true, OPTION_FUNC, "", false, "", fgOptVEast },
{"vDown", true, OPTION_FUNC, "", false, "", fgOptVDown },
{"vc", true, OPTION_FUNC, "", false, "", fgOptVc },
{"mach", true, OPTION_FUNC, "", false, "", fgOptMach },
{"heading", true, OPTION_DOUBLE, "/sim/presets/heading-deg", false, "", 0 },
{"roll", true, OPTION_DOUBLE, "/sim/presets/roll-deg", false, "", 0 },
{"pitch", true, OPTION_DOUBLE, "/sim/presets/pitch-deg", false, "", 0 },
{"glideslope", true, OPTION_DOUBLE, "/sim/presets/glideslope-deg", false, "", 0 },
{"roc", true, OPTION_FUNC, "", false, "", fgOptRoc },
{"fg-root", true, OPTION_FUNC, "", false, "", fgOptFgRoot },
{"fg-scenery", true, OPTION_FUNC, "", false, "", fgOptFgScenery },
{"fdm", true, OPTION_STRING, "/sim/flight-model", false, "", 0 },
{"aero", true, OPTION_STRING, "/sim/aero", false, "", 0 },
{"aircraft-dir", true, OPTION_STRING, "/sim/aircraft-dir", false, "", 0 },
{"model-hz", true, OPTION_INT, "/sim/model-hz", false, "", 0 },
{"speed", true, OPTION_INT, "/sim/speed-up", false, "", 0 },
{"trim", false, OPTION_BOOL, "/sim/presets/trim", true, "", 0 },
{"notrim", false, OPTION_BOOL, "/sim/presets/trim", false, "", 0 },
{"on-ground", false, OPTION_BOOL, "/sim/presets/onground", true, "", 0 },
{"in-air", false, OPTION_BOOL, "/sim/presets/onground", false, "", 0 },
{"fog-disable", false, OPTION_STRING, "/sim/rendering/fog", false, "disabled", 0 },
{"fog-fastest", false, OPTION_STRING, "/sim/rendering/fog", false, "fastest", 0 },
{"fog-nicest", false, OPTION_STRING, "/sim/rendering/fog", false, "nicest", 0 },
{"disable-horizon-effect", false, OPTION_BOOL, "/sim/rendering/horizon-effect", false, "", 0 },
{"enable-horizon-effect", false, OPTION_BOOL, "/sim/rendering/horizon-effect", true, "", 0 },
{"disable-enhanced-lighting", false, OPTION_BOOL, "/sim/rendering/enhanced-lighting", false, "", 0 },
{"enable-enhanced-lighting", false, OPTION_BOOL, "/sim/rendering/enhanced-lighting", true, "", 0 },
{"disable-distance-attenuation", false, OPTION_BOOL, "/sim/rendering/distance-attenuation", false, "", 0 },
{"enable-distance-attenuation", false, OPTION_BOOL, "/sim/rendering/distance-attenuation", true, "", 0 },
{"disable-specular-highlight", false, OPTION_BOOL, "/sim/rendering/specular-highlight", false, "", 0 },
{"enable-specular-highlight", false, OPTION_BOOL, "/sim/rendering/specular-highlight", true, "", 0 },
{"disable-clouds", false, OPTION_BOOL, "/environment/clouds/status", false, "", 0 },
{"enable-clouds", false, OPTION_BOOL, "/environment/clouds/status", true, "", 0 },
#ifdef FG_USE_CLOUDS_3D
{"disable-clouds3d", false, OPTION_BOOL, "/sim/rendering/clouds3d", false, "", 0 },
{"enable-clouds3d", false, OPTION_BOOL, "/sim/rendering/clouds3d", true, "", 0 },
#endif
{"fov", true, OPTION_FUNC, "", false, "", fgOptFov },
{"disable-fullscreen", false, OPTION_BOOL, "/sim/startup/fullscreen", false, "", 0 },
{"enable-fullscreen", false, OPTION_BOOL, "/sim/startup/fullscreen", true, "", 0 },
{"shading-flat", false, OPTION_BOOL, "/sim/rendering/shading", false, "", 0 },
{"shading-smooth", false, OPTION_BOOL, "/sim/rendering/shading", true, "", 0 },
{"disable-skyblend", false, OPTION_BOOL, "/sim/rendering/skyblend", false, "", 0 },
{"enable-skyblend", false, OPTION_BOOL, "/sim/rendering/skyblend", true, "", 0 },
{"disable-textures", false, OPTION_BOOL, "/sim/rendering/textures", false, "", 0 },
{"enable-textures", false, OPTION_BOOL, "/sim/rendering/textures", true, "", 0 },
{"disable-wireframe", false, OPTION_BOOL, "/sim/rendering/wireframe", false, "", 0 },
{"enable-wireframe", false, OPTION_BOOL, "/sim/rendering/wireframe", true, "", 0 },
{"geometry", true, OPTION_FUNC, "", false, "", fgOptGeometry },
{"bpp", true, OPTION_FUNC, "", false, "", fgOptBpp },
{"units-feet", false, OPTION_STRING, "/sim/startup/units", false, "feet", 0 },
{"units-meters", false, OPTION_STRING, "/sim/startup/units", false, "meters", 0 },
{"time-offset", true, OPTION_FUNC, "", false, "", fgOptTimeOffset },
{"time-match-real", false, OPTION_STRING, "/sim/startup/time-offset-type", false, "system-offset", 0 },
{"time-match-local", false, OPTION_STRING, "/sim/startup/time-offset-type", false, "latitude-offset", 0 },
{"start-date-sys", true, OPTION_FUNC, "", false, "", fgOptStartDateSys },
{"start-date-lat", true, OPTION_FUNC, "", false, "", fgOptStartDateLat },
{"start-date-gmt", true, OPTION_FUNC, "", false, "", fgOptStartDateGmt },
{"hud-tris", false, OPTION_STRING, "/sim/hud/frame-stat-type", false, "tris", 0 },
{"hud-culled", false, OPTION_STRING, "/sim/hud/frame-stat-type", false, "culled", 0 },
{"atc610x", true, OPTION_CHANNEL, "", false, "dummy", 0 },
{"atlas", true, OPTION_CHANNEL, "", false, "", 0 },
{"httpd", true, OPTION_CHANNEL, "", false, "", 0 },
#ifdef FG_JPEG_SERVER
{"jpg-httpd", true, OPTION_CHANNEL, "", false, "", 0 },
#endif
{"native", true, OPTION_CHANNEL, "", false, "", 0 },
{"native-ctrls", true, OPTION_CHANNEL, "", false, "", 0 },
{"native-fdm", true, OPTION_CHANNEL, "", false, "", 0 },
{"native-gui", true, OPTION_CHANNEL, "", false, "", 0 },
{"opengc", true, OPTION_CHANNEL, "", false, "", 0 },
{"garmin", true, OPTION_CHANNEL, "", false, "", 0 },
{"nmea", true, OPTION_CHANNEL, "", false, "", 0 },
{"generic", true, OPTION_CHANNEL, "", false, "", 0 },
{"props", true, OPTION_CHANNEL, "", false, "", 0 },
{"telnet", true, OPTION_CHANNEL, "", false, "", 0 },
{"pve", true, OPTION_CHANNEL, "", false, "", 0 },
{"ray", true, OPTION_CHANNEL, "", false, "", 0 },
{"rul", true, OPTION_CHANNEL, "", false, "", 0 },
{"joyclient", true, OPTION_CHANNEL, "", false, "", 0 },
#ifdef FG_NETWORK_OLK
{"disable-network-olk", false, OPTION_BOOL, "/sim/networking/olk", false, "", 0 },
{"enable-network-olk", false, OPTION_BOOL, "/sim/networking/olk", true, "", 0 },
{"net-hud", false, OPTION_FUNC, "", false, "", fgOptNetHud },
{"net-id", true, OPTION_STRING, "sim/networking/call-sign", false, "", 0 },
#endif
#ifdef FG_MPLAYER_AS
{"callsign", true, OPTION_STRING, "sim/multiplay/callsign", false, "", 0 },
{"multiplay", true, OPTION_CHANNEL, "", false, "", 0 },
#endif
{"trace-read", true, OPTION_FUNC, "", false, "", fgOptTraceRead },
{"trace-write", true, OPTION_FUNC, "", false, "", fgOptTraceWrite },
{"log-level", true, OPTION_INT, "/sim/log-level", false, "", 0 },
{"view-offset", true, OPTION_FUNC, "", false, "", fgOptViewOffset },
{"visibility", true, OPTION_FUNC, "", false, "", fgOptVisibilityMeters },
{"visibility-miles", true, OPTION_FUNC, "", false, "", fgOptVisibilityMiles },
{"random-wind", false, OPTION_FUNC, "", false, "", fgOptRandomWind },
{"wind", true, OPTION_FUNC, "", false, "", fgOptWind },
{"turbulence", true, OPTION_FUNC, "", false, "", fgOptTurbulence },
{"ceiling", true, OPTION_FUNC, "", false, "", fgOptCeiling },
{"wp", true, OPTION_FUNC, "", false, "", fgOptWp },
{"flight-plan", true, OPTION_FUNC, "", false, "", fgOptFlightPlan },
{"config", true, OPTION_FUNC, "", false, "", fgOptConfig },
{"aircraft", true, OPTION_STRING, "/sim/aircraft", false, "", 0 },
{"failure", true, OPTION_FUNC, "", false, "", fgOptFailure },
{"com1", true, OPTION_DOUBLE, "/radios/comm[0]/frequencies/selected-mhz", false, "", 0 },
{"com2", true, OPTION_DOUBLE, "/radios/comm[1]/frequencies/selected-mhz", false, "", 0 },
{"nav1", true, OPTION_FUNC, "", false, "", fgOptNAV1 },
{"nav2", true, OPTION_FUNC, "", false, "", fgOptNAV2 },
{"adf", true, OPTION_FUNC, "", false, "", fgOptADF },
{"dme", true, OPTION_FUNC, "", false, "", fgOptDME },
{0}
};
// Parse a single option
static int
parse_option (const string& arg)
{
if ( fgOptionMap.size() == 0 ) {
size_t i = 0;
OptionDesc *pt = &fgOptionArray[ 0 ];
while ( pt->option != 0 ) {
fgOptionMap[ pt->option ] = i;
i += 1;
pt += 1;
}
}
// General Options
if ( (arg == "--help") || (arg == "-h") ) {
// help/usage request
return(FG_OPTIONS_HELP);
} else if ( (arg == "--verbose") || (arg == "-v") ) {
// verbose help/usage request
return(FG_OPTIONS_VERBOSE_HELP);
} else if ( arg.find( "--show-aircraft") == 0) {
return(FG_OPTIONS_SHOW_AIRCRAFT);
} else if ( arg.find( "--prop:" ) == 0 ) {
string assign = arg.substr(7);
string::size_type pos = assign.find('=');
if ( pos == arg.npos || pos == 0 ) {
SG_LOG( SG_GENERAL, SG_ALERT, "Bad property assignment: " << arg );
return FG_OPTIONS_ERROR;
}
string name = assign.substr(0, pos);
string value = assign.substr(pos + 1);
fgSetString(name.c_str(), value.c_str());
// SG_LOG(SG_GENERAL, SG_INFO, "Setting default value of property "
// << name << " to \"" << value << '"');
} else if ( arg.find( "--" ) == 0 ) {
size_t pos = arg.find( '=' );
string arg_name;
if ( pos == string::npos ) {
arg_name = arg.substr( 2 );
} else {
arg_name = arg.substr( 2, pos - 2 );
}
map<string,size_t>::iterator it = fgOptionMap.find( arg_name );
if ( it != fgOptionMap.end() ) {
OptionDesc *pt = &fgOptionArray[ it->second ];
switch ( pt->type ) {
case OPTION_BOOL:
fgSetBool( pt->property, pt->b_param );
break;
case OPTION_STRING:
if ( pt->has_param && pos != string::npos ) {
fgSetString( pt->property, arg.substr( pos + 1 ).c_str() );
} else if ( !pt->has_param && pos == string::npos ) {
fgSetString( pt->property, pt->s_param );
} else if ( pt->has_param ) {
SG_LOG( SG_GENERAL, SG_ALERT, "Option '" << arg << "' needs a parameter" );
return FG_OPTIONS_ERROR;
} else {
SG_LOG( SG_GENERAL, SG_ALERT, "Option '" << arg << "' does not have a parameter" );
return FG_OPTIONS_ERROR;
}
break;
case OPTION_DOUBLE:
if ( pos != string::npos ) {
fgSetDouble( pt->property, atof( arg.substr( pos + 1 ) ) );
} else {
SG_LOG( SG_GENERAL, SG_ALERT, "Option '" << arg << "' needs a parameter" );
return FG_OPTIONS_ERROR;
}
break;
case OPTION_INT:
if ( pos != string::npos ) {
fgSetInt( pt->property, atoi( arg.substr( pos + 1 ) ) );
} else {
SG_LOG( SG_GENERAL, SG_ALERT, "Option '" << arg << "' needs a parameter" );
return FG_OPTIONS_ERROR;
}
break;
case OPTION_CHANNEL:
if ( pt->has_param && pos != string::npos ) {
add_channel( pt->option, arg.substr( pos + 1 ) );
} else if ( !pt->has_param && pos == string::npos ) {
add_channel( pt->option, pt->s_param );
} else if ( pt->has_param ) {
SG_LOG( SG_GENERAL, SG_ALERT, "Option '" << arg << "' needs a parameter" );
return FG_OPTIONS_ERROR;
} else {
SG_LOG( SG_GENERAL, SG_ALERT, "Option '" << arg << "' does not have a parameter" );
return FG_OPTIONS_ERROR;
}
break;
case OPTION_FUNC:
if ( pt->has_param && pos != string::npos ) {
return pt->func( arg.substr( pos + 1 ).c_str() );
} else if ( !pt->has_param && pos == string::npos ) {
return pt->func( 0 );
} else if ( pt->has_param ) {
SG_LOG( SG_GENERAL, SG_ALERT, "Option '" << arg << "' needs a parameter" );
return FG_OPTIONS_ERROR;
} else {
SG_LOG( SG_GENERAL, SG_ALERT, "Option '" << arg << "' does not have a parameter" );
return FG_OPTIONS_ERROR;
}
break;
}
} else {
SG_LOG( SG_GENERAL, SG_ALERT, "Unknown option '" << arg << "'" );
return FG_OPTIONS_ERROR;
}
} else {
SG_LOG( SG_GENERAL, SG_ALERT, "Unknown option '" << arg << "'" );
return FG_OPTIONS_ERROR;
}
return FG_OPTIONS_OK;
}
// Parse the command line options
void
fgParseArgs (int argc, char **argv)
{
bool in_options = true;
bool verbose = false;
bool help = false;
SG_LOG(SG_GENERAL, SG_INFO, "Processing command line arguments");
for (int i = 1; i < argc; i++) {
string arg = argv[i];
if (in_options && (arg.find('-') == 0)) {
if (arg == "--") {
in_options = false;
} else {
int result = parse_option(arg);
if ((result == FG_OPTIONS_HELP) || (result == FG_OPTIONS_ERROR))
help = true;
else if (result == FG_OPTIONS_VERBOSE_HELP)
verbose = true;
else if (result == FG_OPTIONS_SHOW_AIRCRAFT) {
SGPath path( globals->get_fg_root() );
path.append("Aircraft");
fgShowAircraft(path);
exit(0);
}
}
} else {
in_options = false;
SG_LOG(SG_GENERAL, SG_INFO,
"Reading command-line property file " << arg);
readProperties(arg, globals->get_props());
}
}
if (help) {
fgUsage(verbose);
exit(0);
}
SG_LOG(SG_GENERAL, SG_INFO, "Finished command line arguments");
}
// Parse config file options
void
fgParseOptions (const string& path) {
sg_gzifstream in( path );
if ( !in.is_open() ) {
return;
}
SG_LOG( SG_GENERAL, SG_INFO, "Processing config file: " << path );
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 ( parse_option( line ) == FG_OPTIONS_ERROR ) {
cerr << endl << "Config file parse error: " << path << " '"
<< line << "'" << endl;
fgUsage();
exit(-1);
}
in >> skipcomment;
}
}
// Print usage message
void
fgUsage (bool verbose)
{
SGPropertyNode *locale = globals->get_locale();
SGPropertyNode options_root;
cout << endl;
try {
fgLoadProps("options.xml", &options_root);
} catch (const sg_exception &ex) {
cout << "Unable to read the help file." << endl;
cout << "Make sure the file options.xml is located in the FlightGear base directory," << endl;
cout << "and the location of the base directory is specified by setting $FG_ROOT or" << endl;
cout << "by adding --fg-root=path as a program argument." << endl;
exit(-1);
}
SGPropertyNode *options = options_root.getNode("options");
if (!options) {
SG_LOG( SG_GENERAL, SG_ALERT,
"Error reading options.xml: <options> directive not found." );
exit(-1);
}
SGPropertyNode *usage = locale->getNode(options->getStringValue("usage"));
if (usage) {
cout << "Usage: " << usage->getStringValue() << endl;
}
vector<SGPropertyNode_ptr>section = options->getChildren("section");
for (unsigned int j = 0; j < section.size(); j++) {
string msg = "";
vector<SGPropertyNode_ptr>option = section[j]->getChildren("option");
for (unsigned int k = 0; k < option.size(); k++) {
SGPropertyNode *name = option[k]->getNode("name");
SGPropertyNode *short_name = option[k]->getNode("short");
SGPropertyNode *key = option[k]->getNode("key");
SGPropertyNode *arg = option[k]->getNode("arg");
bool brief = option[k]->getNode("brief");
if ((brief || verbose) && name) {
string tmp = name->getStringValue();
if (key){
tmp.append(":");
tmp.append(key->getStringValue());
}
if (arg) {
tmp.append("=");
tmp.append(arg->getStringValue());
}
if (short_name) {
tmp.append(", -");
tmp.append(short_name->getStringValue());
}
char cstr[96];
if (tmp.size() <= 25) {
snprintf(cstr, 96, " --%-27s", tmp.c_str());
} else {
snprintf(cstr, 96, "\n --%s\n%32c", tmp.c_str(), ' ');
}
// There may be more than one <description> tag assosiated
// with one option
msg += cstr;
vector<SGPropertyNode_ptr>desc =
option[k]->getChildren("description");
if (desc.size() > 0) {
for ( unsigned int l = 0; l < desc.size(); l++) {
// There may be more than one translation line.
string t = desc[l]->getStringValue();
SGPropertyNode *n = locale->getNode("strings");
vector<SGPropertyNode_ptr>trans_desc =
n->getChildren(t.substr(8).c_str());
for ( unsigned int m = 0; m < trans_desc.size(); m++ ) {
string t_str = trans_desc[m]->getStringValue();
if ((m > 0) || ((l > 0) && m == 0)) {
snprintf(cstr, 96, "%32c", ' ');
msg += cstr;
}
// If the string is too large to fit on the screen,
// then split it up in several pieces.
while ( t_str.size() > 47 ) {
unsigned int m = t_str.rfind(' ', 47);
msg += t_str.substr(0, m);
snprintf(cstr, 96, "\n%32c", ' ');
msg += cstr;
t_str.erase(t_str.begin(), t_str.begin() + m + 1);
}
msg += t_str + '\n';
}
}
}
}
}
SGPropertyNode *name =
locale->getNode(section[j]->getStringValue("name"));
if (!msg.empty() && name) {
cout << endl << name->getStringValue() << ":" << endl;
cout << msg;
msg.erase();
}
}
if ( !verbose ) {
cout << endl;
cout << "For a complete list of options use --help --verbose" << endl;
}
}
/*
* Search in the current directory, and in on directory deeper
* for <aircraft>-set.xml configuration files and show the aircaft name
* and the contents of the<description> tag in a sorted manner.
*
* @parampath the directory to search for configuration files
* @param recursive defines whether the directory should be searched recursively
*/
void fgShowAircraft(const SGPath &path, bool recursive) {
static vector<string> aircraft;
ulDirEnt* dire;
ulDir *dirp = ulOpenDir(path.str().c_str());
if (dirp == NULL) {
cerr << "Unable to open aircraft directory." << endl;
exit(-1);
}
while ((dire = ulReadDir(dirp)) != NULL) {
char *ptr;
if (dire->d_isdir) {
if (recursive && strcmp("CVS", dire->d_name)
&& strcmp(".", dire->d_name) && strcmp("..", dire->d_name))
{
SGPath next = path;
next.append(dire->d_name);
fgShowAircraft(next, false);
}
} else if ((ptr = strstr(dire->d_name, "-set.xml")) && (ptr[8] == '\0')) {
SGPath afile = path;
afile.append(dire->d_name);
*ptr = '\0';
SGPropertyNode root;
try {
readProperties(afile.str(), &root);
} catch (...) {
continue;
}
SGPropertyNode *desc = NULL;
SGPropertyNode *node = root.getNode("sim");
if (node) {
desc = node->getNode("description");
}
char cstr[96];
if (strlen(dire->d_name) <= 27) {
snprintf(cstr, 96, " %-27s %s", dire->d_name,
(desc) ? desc->getStringValue() : "" );
} else {
snprintf(cstr, 96, " %-27s\n%32c%s", dire->d_name, ' ',
(desc) ? desc->getStringValue() : "" );
}
aircraft.push_back(cstr);
}
}
if (recursive) {
sort(aircraft.begin(), aircraft.end());
cout << "Available aircraft:" << endl;
for ( unsigned int i = 0; i < aircraft.size(); i++ ) {
cout << aircraft[i] << endl;
}
aircraft.clear();
}
ulCloseDir(dirp);
}