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flightgear/src/Main/options.cxx
david 519224d9fc Modified initial property parsing order to be more intuitive. It now 
works like this:

1. Parse preferences.xml, which will usually specify a default
aircraft using the /sim/aircraft property.

2. If /sim/aircraft is specified and not empty, parse the properties
in $FG_ROOT/Aircraft/{/sim/aircraft}-set.xml to set up a default
aircraft.

3. During command-line parsing, whenever the --aircraft option appears
set /sim/aircraft appropriately and parse the properties in
$FG_ROOT/Aircraft/{/sim/aircraft}-set.xml.  Any --config, --prop, or
--aircraft options afterwards will take precedence.
2001-12-11 19:27:37 +00:00

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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>
/* normans fix */
#if defined(FX) && defined(XMESA)
bool global_fullscreen = true;
#endif
#include <math.h> // rint()
#include <stdio.h>
#include <stdlib.h> // atof(), atoi()
#include <string.h>
#include STL_STRING
#include <simgear/misc/sgstream.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 "viewmgr.hxx"
SG_USING_STD(string);
SG_USING_NAMESPACE(std);
#define NEW_DEFAULT_MODEL_HZ 120
enum
{
FG_OPTIONS_OK = 0,
FG_OPTIONS_HELP = 1,
FG_OPTIONS_ERROR = 2
};
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 (Globe, AZ)
fgSetDouble("/position/longitude-deg", -110.6642444);
fgSetDouble("/position/latitude-deg", 33.3528917);
fgSetDouble("/position/altitude-ft", -9999.0);
// Orientation
fgSetDouble("/orientation/heading-deg", 270);
fgSetDouble("/orientation/roll-deg", 0);
fgSetDouble("/orientation/pitch-deg", 0.424);
// Velocities
fgSetString("/sim/startup/speed-set", "knots");
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);
// 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
// Features
fgSetBool("/sim/hud/visibility", false);
fgSetBool("/sim/panel/visibility", true);
fgSetBool("/sim/sound", true);
fgSetBool("/sim/hud/antialiased", false);
// 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);
fgSetBool("/sim/startup/trim", false);
fgSetBool("/sim/startup/onground", true);
// Rendering options
fgSetString("/sim/rendering/fog", "nicest");
fgSetBool("/environment/clouds/status", true);
fgSetDouble("/environment/clouds/altitude-ft", 5000);
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);
fgSetInt("/sim/startup/xsize", 800);
fgSetInt("/sim/startup/ysize", 600);
fgSetInt("/sim/rendering/bits-per-pixel", 16);
fgSetString("/sim/view-mode", "pilot");
fgSetDouble("/sim/view/offset-deg", 0);
fgSetDouble("/environment/visibility-m", 20000);
// 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");
fgSetBool("/sim/networking/network-olk", false);
fgSetString("/sim/networking/call-sign", "Johnny");
}
// 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;
}
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/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 ) {
// cout << "Channel string = " << channel_str << endl;
globals->get_channel_options_list()->push_back( type + "," + channel_str );
return true;
}
// Parse --wp=ID[@alt]
static bool
parse_wp( const string& arg ) {
string id, alt_str;
double alt = 0.0;
unsigned int 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 ( 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;
}
// Parse a single option
static int
parse_option (const string& arg)
{
// General Options
if ( (arg == "--help") || (arg == "-h") ) {
// help/usage request
return(FG_OPTIONS_HELP);
} else if ( arg == "--disable-game-mode") {
fgSetBool("/sim/startup/game-mode", false);
} else if ( arg == "--enable-game-mode" ) {
fgSetBool("/sim/startup/game-mode", true);
} else if ( arg == "--disable-splash-screen" ) {
fgSetBool("/sim/startup/splash-screen", false);
} else if ( arg == "--enable-splash-screen" ) {
fgSetBool("/sim/startup/splash-screen", true);
} else if ( arg == "--disable-intro-music" ) {
fgSetBool("/sim/startup/intro-music", false);
} else if ( arg == "--enable-intro-music" ) {
fgSetBool("/sim/startup/intro-music", true);
} else if ( arg == "--disable-mouse-pointer" ) {
fgSetString("/sim/startup/mouse-pointer", "disabled");
} else if ( arg == "--enable-mouse-pointer" ) {
fgSetString("/sim/startup/mouse-pointer", "enabled");
} else if ( arg == "--disable-freeze" ) {
fgSetBool("/sim/freeze", false);
} else if ( arg == "--enable-freeze" ) {
fgSetBool("/sim/freeze", true);
} else if ( arg == "--disable-anti-alias-hud" ) {
fgSetBool("/sim/hud/antialiased", false);
} else if ( arg == "--enable-anti-alias-hud" ) {
fgSetBool("/sim/hud/antialiased", true);
} else if ( arg.find( "--control=") == 0 ) {
fgSetString("/sim/control-mode", arg.substr(10));
} else if ( arg == "--disable-auto-coordination" ) {
fgSetBool("/sim/auto-coordination", false);
} else if ( arg == "--enable-auto-coordination" ) {
fgSetBool("/sim/auto-coordination", true);
} else if ( arg.find( "--browser-app=") == 0 ) {
fgSetString("/sim/startup/browser-app", arg.substr(14));
} else if ( arg == "--disable-hud" ) {
fgSetBool("/sim/hud/visibility", false);
} else if ( arg == "--enable-hud" ) {
fgSetBool("/sim/hud/visibility", true);
} else if ( arg == "--disable-panel" ) {
fgSetBool("/sim/panel/visibility", false);
} else if ( arg == "--enable-panel" ) {
fgSetBool("/sim/panel/visibility", true);
} else if ( arg == "--disable-sound" ) {
fgSetBool("/sim/sound", false);
} else if ( arg == "--enable-sound" ) {
fgSetBool("/sim/sound", true);
} else if ( arg.find( "--airport-id=") == 0 ) {
// NB: changed property name!!!
fgSetString("/sim/startup/airport-id", arg.substr(13));
} else if ( arg.find( "--offset-distance=") == 0 ) {
fgSetDouble("/sim/startup/offset-distance", atof(arg.substr(18)));
} else if ( arg.find( "--offset-azimuth=") == 0 ) {
fgSetDouble("/sim/startup/offset-azimuth", atof(arg.substr(17)));
} else if ( arg.find( "--lon=" ) == 0 ) {
fgSetDouble("/position/longitude-deg",
parse_degree(arg.substr(6)));
fgSetString("/sim/startup/airport-id", "");
} else if ( arg.find( "--lat=" ) == 0 ) {
fgSetDouble("/position/latitude-deg",
parse_degree(arg.substr(6)));
fgSetString("/sim/startup/airport-id", "");
} else if ( arg.find( "--altitude=" ) == 0 ) {
fgSetBool("/sim/startup/onground", false);
if ( fgGetString("/sim/startup/units") == "feet" )
fgSetDouble("/position/altitude-ft", atof(arg.substr(11)));
else
fgSetDouble("/position/altitude-ft",
atof(arg.substr(11)) * SG_METER_TO_FEET);
} else if ( arg.find( "--uBody=" ) == 0 ) {
fgSetString("/sim/startup/speed-set", "UVW");
if ( fgGetString("/sim/startup/units") == "feet" )
fgSetDouble("/velocities/uBody-fps", atof(arg.substr(8)));
else
fgSetDouble("/velocities/uBody-fps",
atof(arg.substr(8)) * SG_METER_TO_FEET);
} else if ( arg.find( "--vBody=" ) == 0 ) {
fgSetString("/sim/startup/speed-set", "UVW");
if ( fgGetString("/sim/startup/units") == "feet" )
fgSetDouble("/velocities/vBody-fps", atof(arg.substr(8)));
else
fgSetDouble("/velocities/vBody-fps",
atof(arg.substr(8)) * SG_METER_TO_FEET);
} else if ( arg.find( "--wBody=" ) == 0 ) {
fgSetString("/sim/startup/speed-set", "UVW");
if ( fgGetString("/sim/startup/units") == "feet" )
fgSetDouble("/velocities/wBody-fps", atof(arg.substr(8)));
else
fgSetDouble("/velocities/wBody-fps",
atof(arg.substr(8)) * SG_METER_TO_FEET);
} else if ( arg.find( "--vNorth=" ) == 0 ) {
fgSetString("/sim/startup/speed-set", "NED");
if ( fgGetString("/sim/startup/units") == "feet" )
fgSetDouble("/velocities/speed-north-fps", atof(arg.substr(9)));
else
fgSetDouble("/velocities/speed-north-fps",
atof(arg.substr(9)) * SG_METER_TO_FEET);
} else if ( arg.find( "--vEast=" ) == 0 ) {
fgSetString("/sim/startup/speed-set", "NED");
if ( fgGetString("/sim/startup/units") == "feet" )
fgSetDouble("/velocities/speed-east-fps", atof(arg.substr(8)));
else
fgSetDouble("/velocities/speed-east-fps",
atof(arg.substr(8)) * SG_METER_TO_FEET);
} else if ( arg.find( "--vDown=" ) == 0 ) {
fgSetString("/sim/startup/speed-set", "NED");
if ( fgGetString("/sim/startup/units") == "feet" )
fgSetDouble("/velocities/speed-down-fps", atof(arg.substr(8)));
else
fgSetDouble("/velocities/speed-down-fps",
atof(arg.substr(8)) * SG_METER_TO_FEET);
} else if ( arg.find( "--vc=" ) == 0) {
fgSetString("/sim/startup/speed-set", "knots");
fgSetDouble("/velocities/airspeed-kt", atof(arg.substr(5)));
} else if ( arg.find( "--mach=" ) == 0) {
fgSetString("/sim/startup/speed-set", "mach");
fgSetDouble("/velocities/mach", atof(arg.substr(7)));
} else if ( arg.find( "--heading=" ) == 0 ) {
fgSetDouble("/orientation/heading-deg", atof(arg.substr(10)));
} else if ( arg.find( "--roll=" ) == 0 ) {
fgSetDouble("/orientation/roll-deg", atof(arg.substr(7)));
} else if ( arg.find( "--pitch=" ) == 0 ) {
fgSetDouble("/orientation/pitch-deg", atof(arg.substr(8)));
} else if ( arg.find( "--fg-root=" ) == 0 ) {
globals->set_fg_root(arg.substr( 10 ));
} else if ( arg.find( "--fg-scenery=" ) == 0 ) {
globals->set_fg_scenery(arg.substr( 13 ));
} else if ( arg.find( "--fdm=" ) == 0 ) {
fgSetString("/sim/flight-model", arg.substr(6));
} else if ( arg.find( "--aero=" ) == 0 ) {
fgSetString("/sim/aero", arg.substr(7));
} else if ( arg.find( "--aircraft-dir=" ) == 0 ) {
fgSetString("/sim/aircraft-dir", arg.substr(15));
} else if ( arg.find( "--model-hz=" ) == 0 ) {
fgSetInt("/sim/model-hz", atoi(arg.substr(11)));
} else if ( arg.find( "--speed=" ) == 0 ) {
fgSetInt("/sim/speed-up", atoi(arg.substr(8)));
} else if ( arg.find( "--trim") == 0) {
fgSetBool("/sim/startup/trim", true);
} else if ( arg.find( "--notrim") == 0) {
fgSetBool("/sim/startup/trim", false);
} else if ( arg.find( "--on-ground") == 0) {
fgSetBool("/sim/startup/onground", true);
} else if ( arg.find( "--in-air") == 0) {
fgSetBool("/sim/startup/onground", false);
} else if ( arg == "--fog-disable" ) {
fgSetString("/sim/rendering/fog", "disabled");
} else if ( arg == "--fog-fastest" ) {
fgSetString("/sim/rendering/fog", "fastest");
} else if ( arg == "--fog-nicest" ) {
fgSetString("/sim/fog", "nicest");
} else if ( arg == "--disable-clouds" ) {
fgSetBool("/environment/clouds/status", false);
} else if ( arg == "--enable-clouds" ) {
fgSetBool("/environment/clouds/status", true);
} else if ( arg.find( "--clouds-asl=" ) == 0 ) {
// FIXME: check units
if ( fgGetString("/sim/startup/units") == "feet" )
fgSetDouble("/environment/clouds/altitude-ft",
atof(arg.substr(13)) * SG_FEET_TO_METER);
else
fgSetDouble("/environment/clouds/altitude-ft",
atof(arg.substr(13)));
} else if ( arg.find( "--fov=" ) == 0 ) {
parse_fov( arg.substr(6) );
} else if ( arg == "--disable-fullscreen" ) {
fgSetBool("/sim/startup/fullscreen", false);
} else if ( arg== "--enable-fullscreen") {
fgSetBool("/sim/startup/fullscreen", true);
} else if ( arg == "--shading-flat") {
fgSetBool("/sim/rendering/shading", false);
} else if ( arg == "--shading-smooth") {
fgSetBool("/sim/rendering/shading", true);
} else if ( arg == "--disable-skyblend") {
fgSetBool("/sim/rendering/skyblend", false);
} else if ( arg== "--enable-skyblend" ) {
fgSetBool("/sim/rendering/skyblend", true);
} else if ( arg == "--disable-textures" ) {
fgSetBool("/sim/rendering/textures", false);
} else if ( arg == "--enable-textures" ) {
fgSetBool("/sim/rendering/textures", true);
} else if ( arg == "--disable-wireframe" ) {
fgSetBool("/sim/rendering/wireframe", false);
} else if ( arg == "--enable-wireframe" ) {
fgSetBool("/sim/rendering/wireframe", true);
} else if ( arg.find( "--geometry=" ) == 0 ) {
bool geometry_ok = true;
int xsize = 0, ysize = 0;
string geometry = arg.substr( 11 );
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);
}
} else if ( arg.find( "--bpp=" ) == 0 ) {
string bits_per_pix = arg.substr( 6 );
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);
}
} else if ( arg == "--units-feet" ) {
fgSetString("/sim/startup/units", "feet");
} else if ( arg == "--units-meters" ) {
fgSetString("/sim/startup/units", "meters");
} else if ( arg.find( "--time-offset" ) == 0 ) {
fgSetInt("/sim/startup/time-offset",
parse_time_offset( (arg.substr(14)) ));
} else if ( arg.find( "--time-match-real") == 0 ) {
fgSetString("/sim/startup/time-offset-type",
"system-offset");
} else if ( arg.find( "--time-match-local") == 0 ) {
fgSetString("/sim/startup/time-offset-type",
"latitude-offset");
} else if ( arg.find( "--start-date-sys=") == 0 ) {
fgSetInt("/sim/startup/time-offset",
parse_date((arg.substr(17))));
fgSetString("/sim/startup/time-offset-type", "system");
} else if ( arg.find( "--start-date-lat=") == 0 ) {
fgSetInt("/sim/startup/time-offset",
parse_date((arg.substr(17))));
fgSetString("/sim/startup/time-offset-type",
"latitude");
} else if ( arg.find( "--start-date-gmt=") == 0 ) {
fgSetInt("/sim/startup/time-offset",
parse_date((arg.substr(17))));
fgSetString("/sim/startup/time-offset-type", "gmt");
} else if ( arg == "--hud-tris" ) {
fgSetString("/sim/hud/frame-stat-type", "tris");
} else if ( arg == "--hud-culled" ) {
fgSetString("/sim/hud/frame-stat-type", "culled");
} else if ( arg.find( "--atlas=" ) == 0 ) {
add_channel( "atlas", arg.substr(8) );
} else if ( arg.find( "--httpd=" ) == 0 ) {
add_channel( "httpd", arg.substr(8) );
} else if ( arg.find( "--native=" ) == 0 ) {
add_channel( "native", arg.substr(9) );
} else if ( arg.find( "--native-ctrls=" ) == 0 ) {
add_channel( "native_ctrls", arg.substr(15) );
} else if ( arg.find( "--native-fdm=" ) == 0 ) {
add_channel( "native_fdm", arg.substr(13) );
} else if ( arg.find( "--opengc=" ) == 0 ) {
// char stop;
// cout << "Adding channel for OpenGC Display" << endl; cin >> stop;
add_channel( "opengc", arg.substr(9) );
} else if ( arg.find( "--garmin=" ) == 0 ) {
add_channel( "garmin", arg.substr(9) );
} else if ( arg.find( "--nmea=" ) == 0 ) {
add_channel( "nmea", arg.substr(7) );
} else if ( arg.find( "--props=" ) == 0 ) {
add_channel( "props", arg.substr(8) );
} else if ( arg.find( "--pve=" ) == 0 ) {
add_channel( "pve", arg.substr(6) );
} else if ( arg.find( "--ray=" ) == 0 ) {
add_channel( "ray", arg.substr(6) );
} else if ( arg.find( "--rul=" ) == 0 ) {
add_channel( "rul", arg.substr(6) );
} else if ( arg.find( "--joyclient=" ) == 0 ) {
add_channel( "joyclient", arg.substr(12) );
#ifdef FG_NETWORK_OLK
} else if ( arg == "--disable-network-olk" ) {
fgSetBool("/sim/networking/olk", false);
} else if ( arg== "--enable-network-olk") {
fgSetBool("/sim/networking/olk", true);
} else if ( arg == "--net-hud" ) {
fgSetBool("/sim/hud/net-display", true);
net_hud_display = 1; // FIXME
} else if ( arg.find( "--net-id=") == 0 ) {
fgSetString("sim/networking/call-sign", arg.substr(9));
#endif
} else if ( arg.find( "--prop:" ) == 0 ) {
string assign = arg.substr(7);
unsigned int 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);
// SG_LOG(SG_GENERAL, SG_INFO, "Setting default value of property "
// << name << " to \"" << value << '"');
// $$$ begin - added VS Renganathan, 14 Oct 2K
// for multi-window outside window imagery
} else if ( arg.find( "--view-offset=" ) == 0 ) {
string woffset = arg.substr( 14 );
double default_view_offset = 0.0;
if ( woffset == "LEFT" ) {
default_view_offset = SGD_PI * 0.25;
} else if ( woffset == "RIGHT" ) {
default_view_offset = SGD_PI * 1.75;
} else if ( woffset == "CENTER" ) {
default_view_offset = 0.00;
} else {
default_view_offset = atof( woffset.c_str() ) * SGD_DEGREES_TO_RADIANS;
}
FGViewerRPH *pilot_view =
(FGViewerRPH *)globals->get_viewmgr()->get_view( 0 );
pilot_view->set_view_offset( default_view_offset );
pilot_view->set_goal_view_offset( default_view_offset );
fgSetDouble("/sim/view/offset-deg", default_view_offset);
// $$$ end - added VS Renganathan, 14 Oct 2K
} else if ( arg.find( "--visibility=" ) == 0 ) {
fgSetDouble("/environment/visibility-m", atof(arg.substr(13)));
} else if ( arg.find( "--visibility-miles=" ) == 0 ) {
double visibility = atof(arg.substr(19)) * 5280.0 * SG_FEET_TO_METER;
fgSetDouble("/environment/visibility-m", visibility);
} else if ( arg.find( "--wind=" ) == 0 ) {
string val = arg.substr(7);
unsigned int pos = val.find('@');
if ( pos == string::npos ) {
SG_LOG( SG_GENERAL, SG_ALERT, "bad wind value " << val );
return FG_OPTIONS_ERROR;
}
double dir = atof(val.substr(0,pos).c_str());
double speed = atof(val.substr(pos+1).c_str());
SG_LOG(SG_GENERAL, SG_INFO, "WIND: " << dir << '@' <<
speed << " knots" << endl);
fgSetDouble("/environment/wind-from-heading-deg", dir);
fgSetDouble("/environment/wind-speed-knots", speed);
// convert to fps
speed *= SG_NM_TO_METER * SG_METER_TO_FEET * (1.0/3600);
// dir += 180;
if (dir >= 360)
dir -= 360;
dir *= SGD_DEGREES_TO_RADIANS;
fgSetDouble("/environment/wind-north-fps",
speed * cos(dir));
fgSetDouble("/environment/wind-east-fps",
speed * sin(dir));
} else if ( arg.find( "--wp=" ) == 0 ) {
parse_wp( arg.substr( 5 ) );
} else if ( arg.find( "--flight-plan=") == 0) {
parse_flightplan ( arg.substr (14) );
} else if ( arg.find( "--config=" ) == 0 ) {
string file = arg.substr(9);
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);
}
} else if ( arg.find( "--aircraft=" ) == 0 ) {
// read in the top level aircraft definition file
SGPath apath( globals->get_fg_root() );
apath.append( "Aircraft" );
apath.append( arg.substr(11) );
apath.concat( "-set.xml" );
try {
readProperties( apath.str(), globals->get_props() );
} catch (const sg_exception &e) {
string message = "Error loading aircraft file: ";
message += e.getFormattedMessage();
SG_LOG(SG_INPUT, SG_ALERT, message);
exit(2);
}
} else {
SG_LOG( SG_GENERAL, SG_ALERT, "Unknown option '" << arg << "'" );
return FG_OPTIONS_ERROR;
}
return FG_OPTIONS_OK;
}
// Scan the command line options for an fg_root definition and set
// just that.
string
fgScanForRoot (int argc, char **argv)
{
int i = 1;
SG_LOG(SG_GENERAL, SG_INFO, "Scanning for root: command line");
while ( i < argc ) {
SG_LOG( SG_GENERAL, SG_DEBUG, "argv[" << i << "] = " << argv[i] );
string arg = argv[i];
if ( arg.find( "--fg-root=" ) == 0 ) {
return arg.substr( 10 );
}
i++;
}
return "";
}
// Scan the config file for an fg_root definition and set just that.
string
fgScanForRoot (const string& path)
{
sg_gzifstream in( path );
if ( !in.is_open() )
return "";
SG_LOG( SG_GENERAL, SG_INFO, "Scanning for root: " << 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 ( line.find( "--fg-root=" ) == 0 ) {
return line.substr( 10 );
}
in >> skipcomment;
}
return "";
}
// Parse the command line options
void
fgParseOptions (int argc, char **argv) {
int i = 1;
int result;
SG_LOG(SG_GENERAL, SG_INFO, "Processing command line arguments");
while ( i < argc ) {
SG_LOG( SG_GENERAL, SG_DEBUG, "argv[" << i << "] = " << argv[i] );
result = parse_option(argv[i]);
if ( (result == FG_OPTIONS_HELP) || (result == FG_OPTIONS_ERROR) ) {
fgUsage();
exit(-1);
}
i++;
}
}
// 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 ) {
SG_LOG( SG_GENERAL, SG_ALERT,
"Config file parse error: " << path << " '"
<< line << "'" );
fgUsage();
exit(-1);
}
in >> skipcomment;
}
}
// Print usage message
void
fgUsage ()
{
cout << "Usage: fgfs [ options ... ]" << endl;
cout << endl;
cout << "General Options:" << endl;
cout << "\t--help -h: print usage" << endl;
cout << "\t--fg-root=path: specify the root path for all the data files"
<< endl;
cout << "\t--fg-scenery=path: specify the base path for all the scenery"
<< " data." << endl
<< "\t\tdefaults to $FG_ROOT/Scenery" << endl;
cout << "\t--disable-game-mode: disable full-screen game mode" << endl;
cout << "\t--enable-game-mode: enable full-screen game mode" << endl;
cout << "\t--disable-splash-screen: disable splash screen" << endl;
cout << "\t--enable-splash-screen: enable splash screen" << endl;
cout << "\t--disable-intro-music: disable introduction music" << endl;
cout << "\t--enable-intro-music: enable introduction music" << endl;
cout << "\t--disable-mouse-pointer: disable extra mouse pointer" << endl;
cout << "\t--enable-mouse-pointer: enable extra mouse pointer (i.e. for"
<< endl;
cout << "\t\tfull screen voodoo/voodoo-II based cards.)" << endl;
cout << "\t--disable-freeze: start out in a running state" << endl;
cout << "\t--enable-freeze: start out in a frozen state" << endl;
cout << "\t--control=mode: primary control mode "
<< "(joystick, keyboard, mouse)" << endl;
cout << "\t--enable-auto-coordination: enable auto coordination" << endl;
cout << "\t--disable-auto-coordination: disable auto coordination" << endl;
cout << "\t--browser-app=/path/to/app: specify location of your web browser" << endl;
cout << "\t--prop:name=value: set property <name> to <value>" << endl;
cout << "\t--config=path: load additional properties from path" << endl;
cout << endl;
cout << "Features:" << endl;
cout << "\t--disable-hud: disable heads up display" << endl;
cout << "\t--enable-hud: enable heads up display" << endl;
cout << "\t--disable-panel: disable instrument panel" << endl;
cout << "\t--enable-panel: enable instrument panel" << endl;
cout << "\t--disable-sound: disable sound effects" << endl;
cout << "\t--enable-sound: enable sound effects" << endl;
cout << "\t--disable-anti-alias-hud: disable anti aliased hud" << endl;
cout << "\t--enable-anti-alias-hud: enable anti aliased hud" << endl;
cout << endl;
cout << "Flight Model:" << endl;
cout << "\t--fdm=abcd: selects the core flight model code." << endl;
cout << "\t\tcan be one of jsb, larcsim, magic, null, external, balloon, or ada"
<< endl;
cout << "\t--aero=abcd: aerodynamics model to load" << endl;
cout << "\t--model-hz=n: run the FDM this rate (iterations per second)"
<< endl;
cout << "\t--speed=n: run the FDM this much faster than real time" << endl;
cout << "\t--notrim: Do NOT attempt to trim the model when initializing JSBsim" << endl;
cout << "\t--on-ground: Start up at ground level (default)" << endl;
cout << "\t--in-air: Start up in air (implied by specifying an initial"
<< " altitude above ground level." << endl;
cout << "\t--wind=DIR@SPEED: specify wind coming from DIR (degrees) at SPEED (knots)" << endl;
cout << endl;
//(UIUC)
cout <<"Aircraft model directory:" << endl;
cout <<"\t--aircraft-dir=<path> path is relative to the path of the executable" << endl;
cout << endl;
cout << "Initial Position and Orientation:" << endl;
cout << "\t--airport-id=ABCD: specify starting postion by airport id"
<< endl;
cout << "\t--offset-distance: specify distance to threshold"
<< " (NM)" << endl;
cout << "\t--offset-azimuth: specify heading to threshold (deg) "
<< endl;
cout << "\t--lon=degrees: starting longitude in degrees (west = -)"
<< endl;
cout << "\t--lat=degrees: starting latitude in degrees (south = -)"
<< endl;
cout << "\t--altitude=feet: starting altitude in feet" << endl;
cout << "\t\t(unless --units-meters specified)" << endl;
cout << "\t--heading=degrees: heading (yaw) angle in degrees (Psi)"
<< endl;
cout << "\t--roll=degrees: roll angle in degrees (Phi)" << endl;
cout << "\t--pitch=degrees: pitch angle in degrees (Theta)" << endl;
cout << "\t--uBody=feet per second: velocity along the body X axis"
<< endl;
cout << "\t--vBody=feet per second: velocity along the body Y axis"
<< endl;
cout << "\t--wBody=feet per second: velocity along the body Z axis"
<< endl;
cout << "\t\t(unless --units-meters specified)" << endl;
cout << "\t--vc= initial airspeed in knots" << endl;
cout << "\t--mach= initial mach number" << endl;
cout << endl;
cout << "Rendering Options:" << endl;
cout << "\t--fog-disable: disable fog/haze" << endl;
cout << "\t--fog-fastest: enable fastest fog/haze" << endl;
cout << "\t--fog-nicest: enable nicest fog/haze" << endl;
cout << "\t--enable-clouds: enable demo cloud layer" << endl;
cout << "\t--disable-clouds: disable demo cloud layer" << endl;
cout << "\t--clouds-asl=xxx: specify altitude of cloud layer above sea level" << endl;
cout << "\t--fov=xx.x: specify initial field of view angle in degrees"
<< endl;
cout << "\t--disable-fullscreen: disable fullscreen mode" << endl;
cout << "\t--enable-fullscreen: enable fullscreen mode" << endl;
cout << "\t--shading-flat: enable flat shading" << endl;
cout << "\t--shading-smooth: enable smooth shading" << endl;
cout << "\t--disable-skyblend: disable sky blending" << endl;
cout << "\t--enable-skyblend: enable sky blending" << endl;
cout << "\t--disable-textures: disable textures" << endl;
cout << "\t--enable-textures: enable textures" << endl;
cout << "\t--disable-wireframe: disable wireframe drawing mode" << endl;
cout << "\t--enable-wireframe: enable wireframe drawing mode" << endl;
cout << "\t--geometry=WWWxHHH: window geometry: 640x480, 800x600, etc."
<< endl;
cout << "\t--view-offset=xxx: set the default forward view direction"
<< endl;
cout << "\t\tas an offset from straight ahead. Allowable values are"
<< endl;
cout << "\t\tLEFT, RIGHT, CENTER, or a specific number of degrees" << endl;
cout << "\t--visibility=xxx: specify initial visibility in meters" << endl;
cout << "\t--visibility-miles=xxx: specify initial visibility in miles"
<< endl;
cout << endl;
cout << "Scenery Options:" << endl;
cout << "\t--tile-radius=n: specify tile radius, must be 1 - 4" << endl;
cout << endl;
cout << "Hud Options:" << endl;
cout << "\t--units-feet: Hud displays units in feet" << endl;
cout << "\t--units-meters: Hud displays units in meters" << endl;
cout << "\t--hud-tris: Hud displays number of triangles rendered" << endl;
cout << "\t--hud-culled: Hud displays percentage of triangles culled"
<< endl;
cout << endl;
cout << "Time Options:" << endl;
cout << "\t--time-offset=[+-]hh:mm:ss: add this time offset" << endl;
cout << "\t--time-match-real: Synchronize real-world and FlightGear" << endl
<< "\t\ttime. Can be used in combination with --time-offset." << endl;
cout << "\t--time-match-local:Synchronize local real-world and " << endl
<< "\t\tFlightGear time" << endl;
cout << "\t--start-date-sys=yyyy:mm:dd:hh:mm:ss: specify a starting" << endl
<< "\t\tdate/time. Uses your system time " << endl;
cout << "\t--start-date-gmt=yyyy:mm:dd:hh:mm:ss: specify a starting" << endl
<< "\t\tdate/time. Uses Greenwich Mean Time" << endl;
cout << "\t--start-date-lat=yyyy:mm:dd:hh:mm:ss: specify a starting" << endl
<< "\t\tdate/time. Uses Local Aircraft Time" << endl;
#ifdef FG_NETWORK_OLK
cout << endl;
cout << "Network Options:" << endl;
cout << "\t--httpd=port: enable http server on the specified port" << endl;
cout << "\t--enable-network-olk: enable Multipilot mode" << endl;
cout << "\t--disable-network-olk: disable Multipilot mode (default)" << endl;
cout << "\t--net-hud: Hud displays network info" << endl;
cout << "\t--net-id=name: specify your own callsign" << endl;
#endif
cout << endl;
cout << "Route/Way Point Options:" << endl;
cout << "\t--wp=ID[@alt]: specify a waypoint for the GC autopilot" << endl;
cout << "\t\tYou can specify multiple waypoints (a route) with multiple"
<< endl;
cout << "\t\tinstances of --wp=" << endl;
cout << "\t--flight-plan=[file]: Read all waypoints from [file]" <<endl;
}
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