1 // options.cxx -- class to handle command line options
3 // Written by Curtis Olson, started April 1998.
5 // Copyright (C) 1998 Curtis L. Olson - curt@me.umn.edu
7 // This program is free software; you can redistribute it and/or
8 // modify it under the terms of the GNU General Public License as
9 // published by the Free Software Foundation; either version 2 of the
10 // License, or (at your option) any later version.
12 // This program is distributed in the hope that it will be useful, but
13 // WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 // General Public License for more details.
17 // You should have received a copy of the GNU General Public License
18 // along with this program; if not, write to the Free Software
19 // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
28 #if defined(FX) && defined(XMESA)
29 bool global_fullscreen = true;
32 #include <simgear/compiler.h>
34 #include <math.h> // rint()
36 #include <stdlib.h> // atof(), atoi()
41 #include <simgear/constants.h>
42 #include <simgear/debug/logstream.hxx>
43 #include <simgear/misc/fgstream.hxx>
45 #include <Include/general.hxx>
46 #include <Cockpit/cockpit.hxx>
47 #include <FDM/flight.hxx>
48 #include <FDM/UIUCModel/uiuc_aircraftdir.h>
50 # include <NetworkOLK/network.h>
52 #include <Time/fg_time.hxx>
55 #include "options.hxx"
58 FG_USING_NAMESPACE(std);
61 extern void fgReshape( int width, int height );
64 atof( const string& str )
68 // -dw- if ::atof is called, then we get an infinite loop
69 return std::atof( str.c_str() );
71 return ::atof( str.c_str() );
76 atoi( const string& str )
79 // -dw- if ::atoi is called, then we get an infinite loop
80 return std::atoi( str.c_str() );
82 return ::atoi( str.c_str() );
87 // Defined the shared options class here
88 fgOPTIONS current_options;
92 fgOPTIONS::fgOPTIONS() :
93 // starting longitude in degrees (west = -)
94 // starting latitude in degrees (south = -)
96 // Default initial position is Globe, AZ (P13)
100 // North of the city of Globe
104 // North of the city of Globe
108 // Near where I used to live in Globe, AZ
112 // 10125 Jewell St. NE
116 // Near KHSP (Hot Springs, VA)
117 // lon(-79.8338964 + 0.01),
118 // lat( 37.9514564 + 0.008),
120 // (SEZ) SEDONA airport
121 // lon(-111.7884614 + 0.01),
122 // lat( 34.8486289 - 0.015),
124 // Jim Brennon's Kingmont Observatory
125 // lon(-121.1131667),
128 // Huaras, Peru (S09d 31.871' W077d 31.498')
132 // Eclipse Watching w73.5 n10 (approx) 18:00 UT
137 // lon(-90.1953055556),
138 // lat( 45.4511388889),
140 // starting altitude in meters (this will be reset to ground level
141 // if it is lower than the terrain
144 // Initial Orientation
145 heading(270.0), // heading (yaw) angle in degress (Psi)
146 roll(0.0), // roll angle in degrees (Phi)
147 pitch(0.424), // pitch angle in degrees (Theta)
149 // Initialize current options velocities to 0.0
150 uBody(0.0), vBody(0.0), wBody(0.0),
158 control_mode(FG_JOYSTICK),
159 auto_coordination(FG_AUTO_COORD_NOT_SPECIFIED),
166 // Flight Model options
167 flight_model( FGInterface::FG_LARCSIM ),
169 model_hz( NEW_DEFAULT_MODEL_HZ ),
173 fog(FG_FOG_NICEST), // nicest
175 clouds_asl(5000*FEET_TO_METER),
184 view_mode(FG_VIEW_PILOT),
190 units(FG_UNITS_FEET),
198 // set initial values/defaults
199 time_offset_type=FG_TIME_SYS_OFFSET;
200 char* envp = ::getenv( "FG_ROOT" );
202 if ( envp != NULL ) {
203 // fg_root could be anywhere, so default to environmental
204 // variable $FG_ROOT if it is set.
207 // Otherwise, default to a random compiled in location if
208 // $FG_ROOT is not set. This can still be overridden from the
209 // command line or a config file.
212 fg_root = "\\FlightGear";
213 #elif defined( MACOS )
220 airport_id = ""; // default airport id
221 net_id = "Johnney"; // default pilot's name
223 // initialize port config string list
224 channel_options_list.clear();
228 fgOPTIONS::toggle_panel() {
230 FGTime *t = FGTime::cur_time_params;
232 int toggle_pause = t->getPause();
235 t->togglePauseMode();
238 panel_status = false;
239 if ( current_panel != NULL )
240 current_panel->setVisibility(false);
243 if ( current_panel != NULL )
244 current_panel->setVisibility(true);
246 if ( panel_status ) {
249 fov *= (1.0 / 0.4232);
251 // fgReshape( xsize, ysize);
252 fgReshape( current_view.get_winWidth(), current_view.get_winHeight() );
255 t->togglePauseMode();
259 fgOPTIONS::parse_time(const string& time_in) {
260 char *time_str, num[256];
261 double hours, minutes, seconds;
266 time_str = (char *)time_in.c_str();
268 // printf("parse_time(): %s\n", time_str);
271 if ( strlen(time_str) ) {
272 if ( time_str[0] == '+' ) {
275 } else if ( time_str[0] == '-' ) {
280 // printf("sign = %d\n", sign);
283 if ( strlen(time_str) ) {
285 while ( (time_str[0] != ':') && (time_str[0] != '\0') ) {
286 num[i] = time_str[0];
290 if ( time_str[0] == ':' ) {
295 // printf("hours = %.2lf\n", hours);
301 if ( strlen(time_str) ) {
303 while ( (time_str[0] != ':') && (time_str[0] != '\0') ) {
304 num[i] = time_str[0];
308 if ( time_str[0] == ':' ) {
313 // printf("minutes = %.2lf\n", minutes);
315 result += minutes / 60.0;
319 if ( strlen(time_str) ) {
321 while ( (time_str[0] != ':') && (time_str[0] != '\0') ) {
322 num[i] = time_str[0];
328 // printf("seconds = %.2lf\n", seconds);
330 result += seconds / 3600.0;
333 return(sign * result);
337 long int fgOPTIONS::parse_date( const string& date)
340 char * date_str, num[256];
342 // initialize to zero
349 gmt.tm_isdst = 0; // ignore daylight savings time for the moment
350 date_str = (char *)date.c_str();
352 if ( strlen(date_str) ) {
354 while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
355 num[i] = date_str[0];
359 if ( date_str[0] == ':' ) {
363 gmt.tm_year = atoi(num) - 1900;
366 if ( strlen(date_str) ) {
368 while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
369 num[i] = date_str[0];
373 if ( date_str[0] == ':' ) {
377 gmt.tm_mon = atoi(num) -1;
380 if ( strlen(date_str) ) {
382 while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
383 num[i] = date_str[0];
387 if ( date_str[0] == ':' ) {
391 gmt.tm_mday = atoi(num);
394 if ( strlen(date_str) ) {
396 while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
397 num[i] = date_str[0];
401 if ( date_str[0] == ':' ) {
405 gmt.tm_hour = atoi(num);
408 if ( strlen(date_str) ) {
410 while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
411 num[i] = date_str[0];
415 if ( date_str[0] == ':' ) {
419 gmt.tm_min = atoi(num);
422 if ( strlen(date_str) ) {
424 while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
425 num[i] = date_str[0];
429 if ( date_str[0] == ':' ) {
433 gmt.tm_sec = atoi(num);
435 time_t theTime = FGTime::cur_time_params->get_gmt(gmt.tm_year,
441 //printf ("Date is %s\n", ctime(&theTime));
442 //printf ("in seconds that is %d\n", theTime);
448 // parse degree in the form of [+/-]hhh:mm:ss
449 void fgOPTIONS::parse_control( const string& mode ) {
450 if ( mode == "joystick" ) {
451 control_mode = FG_JOYSTICK;
452 } else if ( mode == "mouse" ) {
453 control_mode = FG_MOUSE;
455 control_mode = FG_KEYBOARD;
460 /// parse degree in the form of [+/-]hhh:mm:ss
462 fgOPTIONS::parse_degree( const string& degree_str) {
463 double result = parse_time( degree_str );
465 // printf("Degree = %.4f\n", result);
471 // parse time offset command line option
473 fgOPTIONS::parse_time_offset( const string& time_str) {
476 // printf("time offset = %s\n", time_str);
479 result = (int)rint(parse_time(time_str) * 3600.0);
481 result = (int)(parse_time(time_str) * 3600.0);
484 // printf("parse_time_offset(): %d\n", result);
490 // Parse --tile-diameter=n type option
493 fgOPTIONS::parse_tile_radius( const string& arg ) {
494 int radius = atoi( arg );
496 if ( radius < FG_RADIUS_MIN ) { radius = FG_RADIUS_MIN; }
497 if ( radius > FG_RADIUS_MAX ) { radius = FG_RADIUS_MAX; }
499 // printf("parse_tile_radius(): radius = %d\n", radius);
505 // Parse --fdm=abcdefg type option
507 fgOPTIONS::parse_fdm( const string& fm ) {
508 // cout << "fdm = " << fm << endl;
510 if ( fm == "balloon" ) {
511 return FGInterface::FG_BALLOONSIM;
512 } else if ( fm == "external" ) {
513 return FGInterface::FG_EXTERNAL;
514 } else if ( fm == "jsb" ) {
515 return FGInterface::FG_JSBSIM;
516 } else if ( (fm == "larcsim") || (fm == "LaRCsim") ) {
517 return FGInterface::FG_LARCSIM;
518 } else if ( fm == "magic" ) {
519 return FGInterface::FG_MAGICCARPET;
521 FG_LOG( FG_GENERAL, FG_ALERT, "Unknown fdm = " << fm );
525 // we'll never get here, but it makes the compiler happy.
530 // Parse --fov=x.xx type option
532 fgOPTIONS::parse_fov( const string& arg ) {
533 double fov = atof(arg);
535 if ( fov < FG_FOV_MIN ) { fov = FG_FOV_MIN; }
536 if ( fov > FG_FOV_MAX ) { fov = FG_FOV_MAX; }
538 // printf("parse_fov(): result = %.4f\n", fov);
544 // Parse I/O channel option
546 // Format is "--protocol=medium,direction,hz,medium_options,..."
548 // protocol = { native, nmea, garmin, fgfs, rul, pve, etc. }
549 // medium = { serial, socket, file, etc. }
550 // direction = { in, out, bi }
551 // hz = number of times to process channel per second (floating
552 // point values are ok.
554 // Serial example "--nmea=serial,dir,hz,device,baud" where
556 // device = OS device name of serial line to be open()'ed
557 // baud = {300, 1200, 2400, ..., 230400}
559 // Socket exacmple "--native=socket,dir,hz,machine,port" where
561 // machine = machine name or ip address if client (leave empty if server)
562 // port = port, leave empty to let system choose
564 // File example "--garmin=file,dir,hz,filename" where
566 // filename = file system file name
569 fgOPTIONS::parse_channel( const string& type, const string& channel_str ) {
570 // cout << "Channel string = " << channel_str << endl;
572 channel_options_list.push_back( type + "," + channel_str );
578 // Parse a single option
579 int fgOPTIONS::parse_option( const string& arg ) {
581 if ( (arg == "--help") || (arg == "-h") ) {
582 // help/usage request
583 return(FG_OPTIONS_HELP);
584 } else if ( arg == "--disable-game-mode") {
586 } else if ( arg == "--enable-game-mode" ) {
588 } else if ( arg == "--disable-splash-screen" ) {
589 splash_screen = false;
590 } else if ( arg == "--enable-splash-screen" ) {
591 splash_screen = true;
592 } else if ( arg == "--disable-intro-music" ) {
594 } else if ( arg == "--enable-intro-music" ) {
596 } else if ( arg == "--disable-mouse-pointer" ) {
598 } else if ( arg == "--enable-mouse-pointer" ) {
600 } else if ( arg == "--disable-pause" ) {
602 } else if ( arg == "--enable-pause" ) {
604 } else if ( arg.find( "--control=") != string::npos ) {
605 parse_control( arg.substr(10) );
606 } else if ( arg == "--disable-auto-coordination" ) {
607 auto_coordination = FG_AUTO_COORD_DISABLED;
608 } else if ( arg == "--enable-auto-coordination" ) {
609 auto_coordination = FG_AUTO_COORD_ENABLED;
610 } else if ( arg == "--disable-hud" ) {
612 } else if ( arg == "--enable-hud" ) {
614 } else if ( arg == "--disable-panel" ) {
615 panel_status = false;
616 if ( current_panel != NULL )
617 current_panel->setVisibility(false);
618 } else if ( arg == "--enable-panel" ) {
620 if ( current_panel != NULL )
621 current_panel->setVisibility(true);
623 } else if ( arg == "--disable-sound" ) {
625 } else if ( arg == "--enable-sound" ) {
627 } else if ( arg.find( "--airport-id=") != string::npos ) {
628 airport_id = arg.substr( 13 );
629 } else if ( arg.find( "--lon=" ) != string::npos ) {
630 lon = parse_degree( arg.substr(6) );
631 } else if ( arg.find( "--lat=" ) != string::npos ) {
632 lat = parse_degree( arg.substr(6) );
633 } else if ( arg.find( "--altitude=" ) != string::npos ) {
634 if ( units == FG_UNITS_FEET ) {
635 altitude = atof( arg.substr(11) ) * FEET_TO_METER;
637 altitude = atof( arg.substr(11) );
639 } else if ( arg.find( "--uBody=" ) != string::npos ) {
640 if ( units == FG_UNITS_FEET ) {
641 uBody = atof( arg.substr(8) );
643 uBody = atof( arg.substr(8) ) * FEET_TO_METER;
645 } else if ( arg.find( "--vBody=" ) != string::npos ) {
646 if ( units == FG_UNITS_FEET ) {
647 vBody = atof( arg.substr(8) );
649 vBody = atof( arg.substr(8) ) * FEET_TO_METER;
651 } else if ( arg.find( "--wBody=" ) != string::npos ) {
652 if ( units == FG_UNITS_FEET ) {
653 wBody = atof( arg.substr(8) );
655 wBody = atof( arg.substr(8) ) * FEET_TO_METER;
657 } else if ( arg.find( "--heading=" ) != string::npos ) {
658 heading = atof( arg.substr(10) );
659 } else if ( arg.find( "--roll=" ) != string::npos ) {
660 roll = atof( arg.substr(7) );
661 } else if ( arg.find( "--pitch=" ) != string::npos ) {
662 pitch = atof( arg.substr(8) );
663 } else if ( arg.find( "--fg-root=" ) != string::npos ) {
664 fg_root = arg.substr( 10 );
665 } else if ( arg.find( "--fdm=" ) != string::npos ) {
666 flight_model = parse_fdm( arg.substr(6) );
667 } else if ( arg.find( "--aircraft=" ) != string::npos ) {
668 aircraft = arg.substr(11);
669 } else if ( arg.find( "--aircraft-dir=" ) != string::npos ) {
670 aircraft_dir = arg.substr(15); // (UIUC)
671 } else if ( arg.find( "--model-hz=" ) != string::npos ) {
672 model_hz = atoi( arg.substr(11) );
673 } else if ( arg.find( "--speed=" ) != string::npos ) {
674 speed_up = atoi( arg.substr(8) );
675 } else if ( arg == "--fog-disable" ) {
676 fog = FG_FOG_DISABLED;
677 } else if ( arg == "--fog-fastest" ) {
678 fog = FG_FOG_FASTEST;
679 } else if ( arg == "--fog-nicest" ) {
681 } else if ( arg == "--disable-clouds" ) {
683 } else if ( arg == "--enable-clouds" ) {
685 } else if ( arg.find( "--clouds-asl=" ) != string::npos ) {
686 if ( units == FG_UNITS_FEET ) {
687 clouds_asl = atof( arg.substr(13) ) * FEET_TO_METER;
689 clouds_asl = atof( arg.substr(13) );
691 } else if ( arg.find( "--fov=" ) != string::npos ) {
692 fov = parse_fov( arg.substr(6) );
693 } else if ( arg == "--disable-fullscreen" ) {
695 } else if ( arg== "--enable-fullscreen") {
697 } else if ( arg == "--shading-flat") {
699 } else if ( arg == "--shading-smooth") {
701 } else if ( arg == "--disable-skyblend") {
703 } else if ( arg== "--enable-skyblend" ) {
705 } else if ( arg == "--disable-textures" ) {
707 } else if ( arg == "--enable-textures" ) {
709 } else if ( arg == "--disable-wireframe" ) {
711 } else if ( arg == "--enable-wireframe" ) {
713 } else if ( arg.find( "--geometry=" ) != string::npos ) {
714 bool geometry_ok = true;
715 string geometry = arg.substr( 11 );
716 string::size_type i = geometry.find('x');
718 if (i != string::npos) {
719 xsize = atoi(geometry.substr(0, i));
720 ysize = atoi(geometry.substr(i+1));
721 // cout << "Geometry is " << xsize << 'x' << ysize << '\n';
726 if ( xsize <= 0 || ysize <= 0 ) {
732 if ( !geometry_ok ) {
733 FG_LOG( FG_GENERAL, FG_ALERT, "Unknown geometry: " << geometry );
734 FG_LOG( FG_GENERAL, FG_ALERT,
735 "Setting geometry to " << xsize << 'x' << ysize << '\n');
737 } else if ( arg == "--units-feet" ) {
738 units = FG_UNITS_FEET;
739 } else if ( arg == "--units-meters" ) {
740 units = FG_UNITS_METERS;
741 } else if ( arg.find( "--tile-radius=" ) != string::npos ) {
742 tile_radius = parse_tile_radius( arg.substr(14) );
743 tile_diameter = tile_radius * 2 + 1;
744 } else if ( arg.find( "--time-offset" ) != string::npos ) {
745 time_offset = parse_time_offset( (arg.substr(14)) );
746 //time_offset_type = FG_TIME_SYS_OFFSET;
747 } else if ( arg.find( "--time-match-real") != string::npos ) {
748 //time_offset = parse_time_offset(arg.substr(18));
749 time_offset_type = FG_TIME_SYS_OFFSET;
750 } else if ( arg.find( "--time-match-local") != string::npos ) {
751 //time_offset = parse_time_offset(arg.substr(18));
752 time_offset_type = FG_TIME_LAT_OFFSET;
753 } else if ( arg.find( "--start-date-sys=") != string::npos ) {
754 time_offset = parse_date( (arg.substr(17)) );
755 time_offset_type = FG_TIME_SYS_ABSOLUTE;
756 } else if ( arg.find( "--start-date-lat=") != string::npos ) {
757 time_offset = parse_date( (arg.substr(17)) );
758 time_offset_type = FG_TIME_LAT_ABSOLUTE;
759 } else if ( arg.find( "--start-date-gmt=") != string::npos ) {
760 time_offset = parse_date( (arg.substr(17)) );
761 time_offset_type = FG_TIME_GMT_ABSOLUTE;
763 } else if ( arg == "--hud-tris" ) {
765 } else if ( arg == "--hud-culled" ) {
767 } else if ( arg.find( "--native=" ) != string::npos ) {
768 parse_channel( "native", arg.substr(9) );
769 } else if ( arg.find( "--garmin=" ) != string::npos ) {
770 parse_channel( "garmin", arg.substr(9) );
771 } else if ( arg.find( "--nmea=" ) != string::npos ) {
772 parse_channel( "nmea", arg.substr(7) );
773 } else if ( arg.find( "--pve=" ) != string::npos ) {
774 parse_channel( "pve", arg.substr(6) );
775 } else if ( arg.find( "--rul=" ) != string::npos ) {
776 parse_channel( "rul", arg.substr(6) );
777 } else if ( arg.find( "--joyclient=" ) != string::npos ) {
778 parse_channel( "joyclient", arg.substr(12) );
779 #ifdef FG_NETWORK_OLK
780 } else if ( arg == "--disable-network-olk" ) {
782 } else if ( arg== "--enable-network-olk") {
784 } else if ( arg == "--net-hud" ) {
786 } else if ( arg.find( "--net-id=") != string::npos ) {
787 net_id = arg.substr( 9 );
790 FG_LOG( FG_GENERAL, FG_ALERT, "Unknown option '" << arg << "'" );
791 return FG_OPTIONS_ERROR;
794 return FG_OPTIONS_OK;
798 // Parse the command line options
799 int fgOPTIONS::parse_command_line( int argc, char **argv ) {
803 FG_LOG(FG_GENERAL, FG_INFO, "Processing command line arguments");
806 FG_LOG( FG_GENERAL, FG_DEBUG, "argv[" << i << "] = " << argv[i] );
808 result = parse_option(argv[i]);
809 if ( (result == FG_OPTIONS_HELP) || (result == FG_OPTIONS_ERROR) ) {
816 return(FG_OPTIONS_OK);
820 // Parse config file options
821 int fgOPTIONS::parse_config_file( const string& path ) {
822 fg_gzifstream in( path );
824 return(FG_OPTIONS_ERROR);
826 FG_LOG( FG_GENERAL, FG_INFO, "Processing config file: " << path );
830 while ( ! in.eof() ) {
833 while ( in.get(c) && c != '\0' ) {
838 #ifdef GETLINE_NEEDS_TERMINATOR
839 getline( in, line, '\n' );
840 #elif defined (MACOS)
841 getline( in, line, '\r' );
846 if ( parse_option( line ) == FG_OPTIONS_ERROR ) {
847 FG_LOG( FG_GENERAL, FG_ALERT,
848 "Config file parse error: " << path << " '"
855 return FG_OPTIONS_OK;
859 // Print usage message
860 void fgOPTIONS::usage ( void ) {
861 cout << "Usage: fg [ options ... ]" << endl;
864 cout << "General Options:" << endl;
865 cout << "\t--help -h: print usage" << endl;
866 cout << "\t--fg-root=path: specify the root path for all the data files"
868 cout << "\t--disable-game-mode: disable full-screen game mode" << endl;
869 cout << "\t--enable-game-mode: enable full-screen game mode" << endl;
870 cout << "\t--disable-splash-screen: disable splash screen" << endl;
871 cout << "\t--enable-splash-screen: enable splash screen" << endl;
872 cout << "\t--disable-intro-music: disable introduction music" << endl;
873 cout << "\t--enable-intro-music: enable introduction music" << endl;
874 cout << "\t--disable-mouse-pointer: disable extra mouse pointer" << endl;
875 cout << "\t--enable-mouse-pointer: enable extra mouse pointer (i.e. for"
877 cout << "\t\tfull screen voodoo/voodoo-II based cards.)" << endl;
878 cout << "\t--disable-pause: start out in an active state" << endl;
879 cout << "\t--enable-pause: start out in a paused state" << endl;
880 cout << "\t--control=mode: primary control mode "
881 << "(joystick, keyboard, mouse)" << endl;
884 cout << "Features:" << endl;
885 cout << "\t--disable-hud: disable heads up display" << endl;
886 cout << "\t--enable-hud: enable heads up display" << endl;
887 cout << "\t--disable-panel: disable instrument panel" << endl;
888 cout << "\t--enable-panel: enable instrumetn panel" << endl;
889 cout << "\t--disable-sound: disable sound effects" << endl;
890 cout << "\t--enable-sound: enable sound effects" << endl;
893 cout << "Flight Model:" << endl;
894 cout << "\t--fdm=abcd: selects the core flight model code." << endl;
895 cout << "\t\tcan be one of jsb, larcsim, magic, or external" << endl;
896 cout << "\t--aircraft=abcd: aircraft model to load" << endl;
897 cout << "\t--model-hz=n: run the FDM this rate (iterations per second)"
899 cout << "\t--speed=n: run the FDM this much faster than real time" << endl;
902 cout <<"Aircraft model directory" << endl;
903 cout <<"\t--aircraft-dir=<path> path is relative to the path of the executable" << endl;
906 cout << "Initial Position and Orientation:" << endl;
907 cout << "\t--airport-id=ABCD: specify starting postion by airport id"
909 cout << "\t--lon=degrees: starting longitude in degrees (west = -)"
911 cout << "\t--lat=degrees: starting latitude in degrees (south = -)"
913 cout << "\t--altitude=feet: starting altitude in feet" << endl;
914 cout << "\t\t(unless --units-meters specified" << endl;
915 cout << "\t--heading=degrees: heading (yaw) angle in degress (Psi)"
917 cout << "\t--roll=degrees: roll angle in degrees (Phi)" << endl;
918 cout << "\t--pitch=degrees: pitch angle in degrees (Theta)" << endl;
919 cout << "\t--uBody=feet per second: velocity along the body X axis"
921 cout << "\t--vBody=feet per second: velocity along the body Y axis"
923 cout << "\t--wBody=feet per second: velocity along the body Z axis"
925 cout << "\t\t(unless --units-meters specified" << endl;
928 cout << "Rendering Options:" << endl;
929 cout << "\t--fog-disable: disable fog/haze" << endl;
930 cout << "\t--fog-fastest: enable fastest fog/haze" << endl;
931 cout << "\t--fog-nicest: enable nicest fog/haze" << endl;
932 cout << "\t--enable-clouds: enable demo cloud layer" << endl;
933 cout << "\t--disable-clouds: disable demo cloud layer" << endl;
934 cout << "\t--clouds-asl=xxx: specify altitude of cloud layer above sea level" << endl;
935 cout << "\t--fov=xx.x: specify initial field of view angle in degrees"
937 cout << "\t--disable-fullscreen: disable fullscreen mode" << endl;
938 cout << "\t--enable-fullscreen: enable fullscreen mode" << endl;
939 cout << "\t--shading-flat: enable flat shading" << endl;
940 cout << "\t--shading-smooth: enable smooth shading" << endl;
941 cout << "\t--disable-skyblend: disable sky blending" << endl;
942 cout << "\t--enable-skyblend: enable sky blending" << endl;
943 cout << "\t--disable-textures: disable textures" << endl;
944 cout << "\t--enable-textures: enable textures" << endl;
945 cout << "\t--disable-wireframe: disable wireframe drawing mode" << endl;
946 cout << "\t--enable-wireframe: enable wireframe drawing mode" << endl;
947 cout << "\t--geometry=WWWxHHH: window geometry: 640x480, 800x600, etc."
951 cout << "Scenery Options:" << endl;
952 cout << "\t--tile-radius=n: specify tile radius, must be 1 - 4" << endl;
955 cout << "Hud Options:" << endl;
956 cout << "\t--units-feet: Hud displays units in feet" << endl;
957 cout << "\t--units-meters: Hud displays units in meters" << endl;
958 cout << "\t--hud-tris: Hud displays number of triangles rendered" << endl;
959 cout << "\t--hud-culled: Hud displays percentage of triangles culled"
963 cout << "Time Options:" << endl;
964 cout << "\t--time-offset=[+-]hh:mm:ss: add this time offset" << endl;
965 cout << "\t--time-match-real: Synchronize real-world and FlightGear" << endl
966 << "\t\ttime. Can be used in combination with --time-offset." << endl;
967 cout << "\t--time-match-local:Synchronize local real-world and " << endl
968 << "\t\tFlightGear time" << endl;
969 cout << "\t--start-date-sys=yyyy:mm:dd:hh:mm:ss: specify a starting" << endl
970 << "\t\tdate/time. Uses your system time " << endl;
971 cout << "\t--start-date-gmt=yyyy:mm:dd:hh:mm:ss: specify a starting" << endl
972 << "\t\tdate/time. Uses Greenwich Mean Time" << endl;
973 cout << "\t--start-date-lat=yyyy:mm:dd:hh:mm:ss: specify a starting" << endl
974 << "\t\tdate/time. Uses Local Aircraft Time" << endl;
975 #ifdef FG_NETWORK_OLK
978 cout << "Network Options:" << endl;
979 cout << "\t--net-hud: Hud displays network info" << endl;
980 cout << "\t--net-id=name: specify your own callsign" << endl;
986 fgOPTIONS::~fgOPTIONS( void ) {