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 #include <simgear/compiler.h>
29 #include <simgear/misc/exception.hxx>
31 #include <math.h> // rint()
33 #include <stdlib.h> // atof(), atoi()
38 #include <simgear/misc/sgstream.hxx>
40 // #include <Include/general.hxx>
41 // #include <Airports/simple.hxx>
42 // #include <Cockpit/cockpit.hxx>
43 // #include <FDM/flight.hxx>
44 // #include <FDM/UIUCModel/uiuc_aircraftdir.h>
46 # include <NetworkOLK/network.h>
51 #include "globals.hxx"
52 #include "fg_init.hxx"
53 #include "fg_props.hxx"
54 #include "options.hxx"
55 #include "viewmgr.hxx"
58 SG_USING_NAMESPACE(std);
61 #define NEW_DEFAULT_MODEL_HZ 120
71 atof( const string& str )
75 // -dw- if ::atof is called, then we get an infinite loop
76 return std::atof( str.c_str() );
78 return ::atof( str.c_str() );
83 atoi( const string& str )
86 // -dw- if ::atoi is called, then we get an infinite loop
87 return std::atoi( str.c_str() );
89 return ::atoi( str.c_str() );
95 * Set a few fail-safe default property values.
97 * These should all be set in $FG_ROOT/preferences.xml, but just
98 * in case, we provide some initial sane values here. This method
99 * should be invoked *before* reading any init files.
104 // set a possibly independent location for scenery data
105 char *envp = ::getenv( "FG_SCENERY" );
107 if ( envp != NULL ) {
108 // fg_root could be anywhere, so default to environmental
109 // variable $FG_ROOT if it is set.
110 globals->set_fg_scenery(envp);
112 // Otherwise, default to Scenery being in $FG_ROOT/Scenery
113 globals->set_fg_scenery("");
115 // Position (Globe, AZ)
116 fgSetDouble("/position/longitude-deg", -110.6642444);
117 fgSetDouble("/position/latitude-deg", 33.3528917);
118 fgSetDouble("/position/altitude-ft", -9999.0);
121 fgSetDouble("/orientation/heading-deg", 270);
122 fgSetDouble("/orientation/roll-deg", 0);
123 fgSetDouble("/orientation/pitch-deg", 0.424);
126 fgSetString("/sim/startup/speed-set", "knots");
127 fgSetDouble("/velocities/uBody-fps", 0.0);
128 fgSetDouble("/velocities/vBody-fps", 0.0);
129 fgSetDouble("/velocities/wBody-fps", 0.0);
130 fgSetDouble("/velocities/speed-north-fps", 0.0);
131 fgSetDouble("/velocities/speed-east-fps", 0.0);
132 fgSetDouble("/velocities/speed-down-fps", 0.0);
133 fgSetDouble("/velocities/airspeed-kt", 0.0);
134 fgSetDouble("/velocities/mach", 0.0);
137 fgSetBool("/sim/startup/game-mode", false);
138 fgSetBool("/sim/startup/splash-screen", true);
139 fgSetBool("/sim/startup/intro-music", true);
140 // we want mouse-pointer to have an undefined value if nothing is
141 // specified so we can do the right thing for voodoo-1/2 cards.
142 // fgSetString("/sim/startup/mouse-pointer", "disabled");
143 fgSetString("/sim/control-mode", "joystick");
144 fgSetBool("/sim/auto-coordination", false);
146 fgSetString("/sim/startup/browser-app", "netscape");
148 fgSetString("/sim/startup/browser-app", "webrun.bat");
151 fgSetBool("/sim/hud/visibility", false);
152 fgSetBool("/sim/panel/visibility", true);
153 fgSetBool("/sim/sound", true);
154 fgSetBool("/sim/hud/antialiased", false);
156 // Flight Model options
157 fgSetString("/sim/flight-model", "jsb");
158 fgSetString("/sim/aero", "c172");
159 fgSetInt("/sim/model-hz", NEW_DEFAULT_MODEL_HZ);
160 fgSetInt("/sim/speed-up", 1);
161 fgSetBool("/sim/startup/trim", false);
162 fgSetBool("/sim/startup/onground", true);
165 fgSetString("/sim/rendering/fog", "nicest");
166 fgSetBool("/environment/clouds/status", true);
167 fgSetDouble("/environment/clouds/altitude-ft", 5000);
168 fgSetBool("/sim/startup/fullscreen", false);
169 fgSetBool("/sim/rendering/shading", true);
170 fgSetBool("/sim/rendering/skyblend", true);
171 fgSetBool("/sim/rendering/textures", true);
172 fgSetBool("/sim/rendering/wireframe", false);
173 fgSetInt("/sim/startup/xsize", 800);
174 fgSetInt("/sim/startup/ysize", 600);
175 fgSetInt("/sim/rendering/bits-per-pixel", 16);
176 fgSetString("/sim/view-mode", "pilot");
177 fgSetDouble("/sim/view/offset-deg", 0);
178 fgSetDouble("/environment/visibility-m", 20000);
181 fgSetString("/sim/startup/units", "feet");
182 fgSetString("/sim/hud/frame-stat-type", "tris");
185 fgSetInt("/sim/startup/time-offset", 0);
186 fgSetString("/sim/startup/time-offset-type", "system-offset");
188 fgSetBool("/sim/networking/network-olk", false);
189 fgSetString("/sim/networking/call-sign", "Johnny");
193 // parse a time string ([+/-]%f[:%f[:%f]]) into hours
195 parse_time(const string& time_in) {
196 char *time_str, num[256];
197 double hours, minutes, seconds;
202 time_str = (char *)time_in.c_str();
204 // printf("parse_time(): %s\n", time_str);
207 if ( strlen(time_str) ) {
208 if ( time_str[0] == '+' ) {
211 } else if ( time_str[0] == '-' ) {
216 // printf("sign = %d\n", sign);
219 if ( strlen(time_str) ) {
221 while ( (time_str[0] != ':') && (time_str[0] != '\0') ) {
222 num[i] = time_str[0];
226 if ( time_str[0] == ':' ) {
231 // printf("hours = %.2lf\n", hours);
237 if ( strlen(time_str) ) {
239 while ( (time_str[0] != ':') && (time_str[0] != '\0') ) {
240 num[i] = time_str[0];
244 if ( time_str[0] == ':' ) {
249 // printf("minutes = %.2lf\n", minutes);
251 result += minutes / 60.0;
255 if ( strlen(time_str) ) {
257 while ( (time_str[0] != ':') && (time_str[0] != '\0') ) {
258 num[i] = time_str[0];
264 // printf("seconds = %.2lf\n", seconds);
266 result += seconds / 3600.0;
269 return(sign * result);
273 // parse a date string (yyyy:mm:dd:hh:mm:ss) into a time_t (seconds)
275 parse_date( const string& date)
278 char * date_str, num[256];
280 // initialize to zero
287 gmt.tm_isdst = 0; // ignore daylight savings time for the moment
288 date_str = (char *)date.c_str();
290 if ( strlen(date_str) ) {
292 while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
293 num[i] = date_str[0];
297 if ( date_str[0] == ':' ) {
301 gmt.tm_year = atoi(num) - 1900;
304 if ( strlen(date_str) ) {
306 while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
307 num[i] = date_str[0];
311 if ( date_str[0] == ':' ) {
315 gmt.tm_mon = atoi(num) -1;
318 if ( strlen(date_str) ) {
320 while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
321 num[i] = date_str[0];
325 if ( date_str[0] == ':' ) {
329 gmt.tm_mday = atoi(num);
332 if ( strlen(date_str) ) {
334 while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
335 num[i] = date_str[0];
339 if ( date_str[0] == ':' ) {
343 gmt.tm_hour = atoi(num);
346 if ( strlen(date_str) ) {
348 while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
349 num[i] = date_str[0];
353 if ( date_str[0] == ':' ) {
357 gmt.tm_min = atoi(num);
360 if ( strlen(date_str) ) {
362 while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
363 num[i] = date_str[0];
367 if ( date_str[0] == ':' ) {
371 gmt.tm_sec = atoi(num);
373 time_t theTime = sgTimeGetGMT( gmt.tm_year, gmt.tm_mon, gmt.tm_mday,
374 gmt.tm_hour, gmt.tm_min, gmt.tm_sec );
375 //printf ("Date is %s\n", ctime(&theTime));
376 //printf ("in seconds that is %d\n", theTime);
382 // parse angle in the form of [+/-]ddd:mm:ss into degrees
384 parse_degree( const string& degree_str) {
385 double result = parse_time( degree_str );
387 // printf("Degree = %.4f\n", result);
393 // parse time offset string into seconds
395 parse_time_offset( const string& time_str) {
398 // printf("time offset = %s\n", time_str);
401 result = (int)rint(parse_time(time_str) * 3600.0);
403 result = (int)(parse_time(time_str) * 3600.0);
406 // printf("parse_time_offset(): %d\n", result);
412 // Parse --fov=x.xx type option
414 parse_fov( const string& arg ) {
415 double fov = atof(arg);
417 if ( fov < FG_FOV_MIN ) { fov = FG_FOV_MIN; }
418 if ( fov > FG_FOV_MAX ) { fov = FG_FOV_MAX; }
420 fgSetDouble("/sim/field-of-view", fov);
422 // printf("parse_fov(): result = %.4f\n", fov);
428 // Parse I/O channel option
430 // Format is "--protocol=medium,direction,hz,medium_options,..."
432 // protocol = { native, nmea, garmin, fgfs, rul, pve, etc. }
433 // medium = { serial, socket, file, etc. }
434 // direction = { in, out, bi }
435 // hz = number of times to process channel per second (floating
436 // point values are ok.
438 // Serial example "--nmea=serial,dir,hz,device,baud" where
440 // device = OS device name of serial line to be open()'ed
441 // baud = {300, 1200, 2400, ..., 230400}
443 // Socket exacmple "--native=socket,dir,hz,machine,port,style" where
445 // machine = machine name or ip address if client (leave empty if server)
446 // port = port, leave empty to let system choose
447 // style = tcp or udp
449 // File example "--garmin=file,dir,hz,filename" where
451 // filename = file system file name
454 add_channel( const string& type, const string& channel_str ) {
455 // cout << "Channel string = " << channel_str << endl;
457 globals->get_channel_options_list()->push_back( type + "," + channel_str );
463 // Parse --wp=ID[@alt]
465 parse_wp( const string& arg ) {
469 unsigned int pos = arg.find( "@" );
470 if ( pos != string::npos ) {
471 id = arg.substr( 0, pos );
472 alt_str = arg.substr( pos + 1 );
473 // cout << "id str = " << id << " alt str = " << alt_str << endl;
474 alt = atof( alt_str.c_str() );
475 if ( fgGetString("/sim/startup/units") == "feet" ) {
476 alt *= SG_FEET_TO_METER;
483 if ( fgFindAirportID( id, &a ) ) {
484 SGWayPoint wp( a.longitude, a.latitude, alt, SGWayPoint::WGS84, id );
485 globals->get_route()->add_waypoint( wp );
494 // Parse --flight-plan=[file]
496 parse_flightplan(const string& arg)
498 sg_gzifstream in(arg.c_str());
499 if ( !in.is_open() ) {
505 #if defined( macintosh )
506 getline( in, line, '\r' );
508 getline( in, line, '\n' );
511 // catch extraneous (DOS) line ending character
512 if ( line[line.length() - 1] < 32 ) {
513 line = line.substr( 0, line.length()-1 );
526 // Parse a single option
528 parse_option (const string& arg)
531 if ( (arg == "--help") || (arg == "-h") ) {
532 // help/usage request
533 return(FG_OPTIONS_HELP);
534 } else if ( arg == "--disable-game-mode") {
535 fgSetBool("/sim/startup/game-mode", false);
536 } else if ( arg == "--enable-game-mode" ) {
537 fgSetBool("/sim/startup/game-mode", true);
538 } else if ( arg == "--disable-splash-screen" ) {
539 fgSetBool("/sim/startup/splash-screen", false);
540 } else if ( arg == "--enable-splash-screen" ) {
541 fgSetBool("/sim/startup/splash-screen", true);
542 } else if ( arg == "--disable-intro-music" ) {
543 fgSetBool("/sim/startup/intro-music", false);
544 } else if ( arg == "--enable-intro-music" ) {
545 fgSetBool("/sim/startup/intro-music", true);
546 } else if ( arg == "--disable-mouse-pointer" ) {
547 fgSetString("/sim/startup/mouse-pointer", "disabled");
548 } else if ( arg == "--enable-mouse-pointer" ) {
549 fgSetString("/sim/startup/mouse-pointer", "enabled");
550 } else if ( arg == "--disable-freeze" ) {
551 fgSetBool("/sim/freeze", false);
552 } else if ( arg == "--enable-freeze" ) {
553 fgSetBool("/sim/freeze", true);
554 } else if ( arg == "--disable-anti-alias-hud" ) {
555 fgSetBool("/sim/hud/antialiased", false);
556 } else if ( arg == "--enable-anti-alias-hud" ) {
557 fgSetBool("/sim/hud/antialiased", true);
558 } else if ( arg.find( "--control=") == 0 ) {
559 fgSetString("/sim/control-mode", arg.substr(10));
560 } else if ( arg == "--disable-auto-coordination" ) {
561 fgSetBool("/sim/auto-coordination", false);
562 } else if ( arg == "--enable-auto-coordination" ) {
563 fgSetBool("/sim/auto-coordination", true);
564 } else if ( arg.find( "--browser-app=") == 0 ) {
565 fgSetString("/sim/startup/browser-app", arg.substr(14));
566 } else if ( arg == "--disable-hud" ) {
567 fgSetBool("/sim/hud/visibility", false);
568 } else if ( arg == "--enable-hud" ) {
569 fgSetBool("/sim/hud/visibility", true);
570 } else if ( arg == "--disable-panel" ) {
571 fgSetBool("/sim/panel/visibility", false);
572 } else if ( arg == "--enable-panel" ) {
573 fgSetBool("/sim/panel/visibility", true);
574 } else if ( arg == "--disable-sound" ) {
575 fgSetBool("/sim/sound", false);
576 } else if ( arg == "--enable-sound" ) {
577 fgSetBool("/sim/sound", true);
578 } else if ( arg.find( "--airport-id=") == 0 ) {
579 // NB: changed property name!!!
580 fgSetString("/sim/startup/airport-id", arg.substr(13));
581 } else if ( arg.find( "--offset-distance=") == 0 ) {
582 fgSetDouble("/sim/startup/offset-distance", atof(arg.substr(18)));
583 } else if ( arg.find( "--offset-azimuth=") == 0 ) {
584 fgSetDouble("/sim/startup/offset-azimuth", atof(arg.substr(17)));
585 } else if ( arg.find( "--lon=" ) == 0 ) {
586 fgSetDouble("/position/longitude-deg",
587 parse_degree(arg.substr(6)));
588 fgSetString("/sim/startup/airport-id", "");
589 } else if ( arg.find( "--lat=" ) == 0 ) {
590 fgSetDouble("/position/latitude-deg",
591 parse_degree(arg.substr(6)));
592 fgSetString("/sim/startup/airport-id", "");
593 } else if ( arg.find( "--altitude=" ) == 0 ) {
594 fgSetBool("/sim/startup/onground", false);
595 if ( fgGetString("/sim/startup/units") == "feet" )
596 fgSetDouble("/position/altitude-ft", atof(arg.substr(11)));
598 fgSetDouble("/position/altitude-ft",
599 atof(arg.substr(11)) * SG_METER_TO_FEET);
600 } else if ( arg.find( "--uBody=" ) == 0 ) {
601 fgSetString("/sim/startup/speed-set", "UVW");
602 if ( fgGetString("/sim/startup/units") == "feet" )
603 fgSetDouble("/velocities/uBody-fps", atof(arg.substr(8)));
605 fgSetDouble("/velocities/uBody-fps",
606 atof(arg.substr(8)) * SG_METER_TO_FEET);
607 } else if ( arg.find( "--vBody=" ) == 0 ) {
608 fgSetString("/sim/startup/speed-set", "UVW");
609 if ( fgGetString("/sim/startup/units") == "feet" )
610 fgSetDouble("/velocities/vBody-fps", atof(arg.substr(8)));
612 fgSetDouble("/velocities/vBody-fps",
613 atof(arg.substr(8)) * SG_METER_TO_FEET);
614 } else if ( arg.find( "--wBody=" ) == 0 ) {
615 fgSetString("/sim/startup/speed-set", "UVW");
616 if ( fgGetString("/sim/startup/units") == "feet" )
617 fgSetDouble("/velocities/wBody-fps", atof(arg.substr(8)));
619 fgSetDouble("/velocities/wBody-fps",
620 atof(arg.substr(8)) * SG_METER_TO_FEET);
621 } else if ( arg.find( "--vNorth=" ) == 0 ) {
622 fgSetString("/sim/startup/speed-set", "NED");
623 if ( fgGetString("/sim/startup/units") == "feet" )
624 fgSetDouble("/velocities/speed-north-fps", atof(arg.substr(9)));
626 fgSetDouble("/velocities/speed-north-fps",
627 atof(arg.substr(9)) * SG_METER_TO_FEET);
628 } else if ( arg.find( "--vEast=" ) == 0 ) {
629 fgSetString("/sim/startup/speed-set", "NED");
630 if ( fgGetString("/sim/startup/units") == "feet" )
631 fgSetDouble("/velocities/speed-east-fps", atof(arg.substr(8)));
633 fgSetDouble("/velocities/speed-east-fps",
634 atof(arg.substr(8)) * SG_METER_TO_FEET);
635 } else if ( arg.find( "--vDown=" ) == 0 ) {
636 fgSetString("/sim/startup/speed-set", "NED");
637 if ( fgGetString("/sim/startup/units") == "feet" )
638 fgSetDouble("/velocities/speed-down-fps", atof(arg.substr(8)));
640 fgSetDouble("/velocities/speed-down-fps",
641 atof(arg.substr(8)) * SG_METER_TO_FEET);
642 } else if ( arg.find( "--vc=" ) == 0) {
643 fgSetString("/sim/startup/speed-set", "knots");
644 fgSetDouble("/velocities/airspeed-kt", atof(arg.substr(5)));
645 } else if ( arg.find( "--mach=" ) == 0) {
646 fgSetString("/sim/startup/speed-set", "mach");
647 fgSetDouble("/velocities/mach", atof(arg.substr(7)));
648 } else if ( arg.find( "--heading=" ) == 0 ) {
649 fgSetDouble("/orientation/heading-deg", atof(arg.substr(10)));
650 } else if ( arg.find( "--roll=" ) == 0 ) {
651 fgSetDouble("/orientation/roll-deg", atof(arg.substr(7)));
652 } else if ( arg.find( "--pitch=" ) == 0 ) {
653 fgSetDouble("/orientation/pitch-deg", atof(arg.substr(8)));
654 } else if ( arg.find( "--fg-root=" ) == 0 ) {
655 globals->set_fg_root(arg.substr( 10 ));
656 } else if ( arg.find( "--fg-scenery=" ) == 0 ) {
657 globals->set_fg_scenery(arg.substr( 13 ));
658 } else if ( arg.find( "--fdm=" ) == 0 ) {
659 fgSetString("/sim/flight-model", arg.substr(6));
660 } else if ( arg.find( "--aero=" ) == 0 ) {
661 fgSetString("/sim/aero", arg.substr(7));
662 } else if ( arg.find( "--aircraft-dir=" ) == 0 ) {
663 fgSetString("/sim/aircraft-dir", arg.substr(15));
664 } else if ( arg.find( "--model-hz=" ) == 0 ) {
665 fgSetInt("/sim/model-hz", atoi(arg.substr(11)));
666 } else if ( arg.find( "--speed=" ) == 0 ) {
667 fgSetInt("/sim/speed-up", atoi(arg.substr(8)));
668 } else if ( arg.find( "--trim") == 0) {
669 fgSetBool("/sim/startup/trim", true);
670 } else if ( arg.find( "--notrim") == 0) {
671 fgSetBool("/sim/startup/trim", false);
672 } else if ( arg.find( "--on-ground") == 0) {
673 fgSetBool("/sim/startup/onground", true);
674 } else if ( arg.find( "--in-air") == 0) {
675 fgSetBool("/sim/startup/onground", false);
676 } else if ( arg == "--fog-disable" ) {
677 fgSetString("/sim/rendering/fog", "disabled");
678 } else if ( arg == "--fog-fastest" ) {
679 fgSetString("/sim/rendering/fog", "fastest");
680 } else if ( arg == "--fog-nicest" ) {
681 fgSetString("/sim/fog", "nicest");
682 } else if ( arg == "--disable-clouds" ) {
683 fgSetBool("/environment/clouds/status", false);
684 } else if ( arg == "--enable-clouds" ) {
685 fgSetBool("/environment/clouds/status", true);
686 } else if ( arg.find( "--clouds-asl=" ) == 0 ) {
687 // FIXME: check units
688 if ( fgGetString("/sim/startup/units") == "feet" )
689 fgSetDouble("/environment/clouds/altitude-ft",
690 atof(arg.substr(13)));
692 fgSetDouble("/environment/clouds/altitude-ft",
693 atof(arg.substr(13)) * SG_METER_TO_FEET);
694 } else if ( arg.find( "--fov=" ) == 0 ) {
695 parse_fov( arg.substr(6) );
696 } else if ( arg == "--disable-fullscreen" ) {
697 fgSetBool("/sim/startup/fullscreen", false);
698 } else if ( arg== "--enable-fullscreen") {
699 fgSetBool("/sim/startup/fullscreen", true);
700 } else if ( arg == "--shading-flat") {
701 fgSetBool("/sim/rendering/shading", false);
702 } else if ( arg == "--shading-smooth") {
703 fgSetBool("/sim/rendering/shading", true);
704 } else if ( arg == "--disable-skyblend") {
705 fgSetBool("/sim/rendering/skyblend", false);
706 } else if ( arg== "--enable-skyblend" ) {
707 fgSetBool("/sim/rendering/skyblend", true);
708 } else if ( arg == "--disable-textures" ) {
709 fgSetBool("/sim/rendering/textures", false);
710 } else if ( arg == "--enable-textures" ) {
711 fgSetBool("/sim/rendering/textures", true);
712 } else if ( arg == "--disable-wireframe" ) {
713 fgSetBool("/sim/rendering/wireframe", false);
714 } else if ( arg == "--enable-wireframe" ) {
715 fgSetBool("/sim/rendering/wireframe", true);
716 } else if ( arg.find( "--geometry=" ) == 0 ) {
717 bool geometry_ok = true;
718 int xsize = 0, ysize = 0;
719 string geometry = arg.substr( 11 );
720 string::size_type i = geometry.find('x');
722 if (i != string::npos) {
723 xsize = atoi(geometry.substr(0, i));
724 ysize = atoi(geometry.substr(i+1));
729 if ( xsize <= 0 || ysize <= 0 ) {
735 if ( !geometry_ok ) {
736 SG_LOG( SG_GENERAL, SG_ALERT, "Unknown geometry: " << geometry );
737 SG_LOG( SG_GENERAL, SG_ALERT,
738 "Setting geometry to " << xsize << 'x' << ysize << '\n');
740 SG_LOG( SG_GENERAL, SG_INFO,
741 "Setting geometry to " << xsize << 'x' << ysize << '\n');
742 fgSetInt("/sim/startup/xsize", xsize);
743 fgSetInt("/sim/startup/ysize", ysize);
745 } else if ( arg.find( "--bpp=" ) == 0 ) {
746 string bits_per_pix = arg.substr( 6 );
747 if ( bits_per_pix == "16" ) {
748 fgSetInt("/sim/rendering/bits-per-pixel", 16);
749 } else if ( bits_per_pix == "24" ) {
750 fgSetInt("/sim/rendering/bits-per-pixel", 24);
751 } else if ( bits_per_pix == "32" ) {
752 fgSetInt("/sim/rendering/bits-per-pixel", 32);
754 SG_LOG(SG_GENERAL, SG_ALERT, "Unsupported bpp " << bits_per_pix);
756 } else if ( arg == "--units-feet" ) {
757 fgSetString("/sim/startup/units", "feet");
758 } else if ( arg == "--units-meters" ) {
759 fgSetString("/sim/startup/units", "meters");
760 } else if ( arg.find( "--time-offset" ) == 0 ) {
761 fgSetInt("/sim/startup/time-offset",
762 parse_time_offset( (arg.substr(14)) ));
763 } else if ( arg.find( "--time-match-real") == 0 ) {
764 fgSetString("/sim/startup/time-offset-type",
766 } else if ( arg.find( "--time-match-local") == 0 ) {
767 fgSetString("/sim/startup/time-offset-type",
769 } else if ( arg.find( "--start-date-sys=") == 0 ) {
770 fgSetInt("/sim/startup/time-offset",
771 parse_date((arg.substr(17))));
772 fgSetString("/sim/startup/time-offset-type", "system");
773 } else if ( arg.find( "--start-date-lat=") == 0 ) {
774 fgSetInt("/sim/startup/time-offset",
775 parse_date((arg.substr(17))));
776 fgSetString("/sim/startup/time-offset-type",
778 } else if ( arg.find( "--start-date-gmt=") == 0 ) {
779 fgSetInt("/sim/startup/time-offset",
780 parse_date((arg.substr(17))));
781 fgSetString("/sim/startup/time-offset-type", "gmt");
782 } else if ( arg == "--hud-tris" ) {
783 fgSetString("/sim/hud/frame-stat-type", "tris");
784 } else if ( arg == "--hud-culled" ) {
785 fgSetString("/sim/hud/frame-stat-type", "culled");
786 } else if ( arg.find( "--atlas=" ) == 0 ) {
787 add_channel( "atlas", arg.substr(8) );
788 } else if ( arg.find( "--httpd=" ) == 0 ) {
789 add_channel( "httpd", arg.substr(8) );
790 #ifdef FG_JPEG_SERVER
791 } else if ( arg.find( "--jpg-httpd=" ) == 0 ) {
792 add_channel( "jpg-httpd", arg.substr(12) );
794 } else if ( arg.find( "--native=" ) == 0 ) {
795 add_channel( "native", arg.substr(9) );
796 } else if ( arg.find( "--native-ctrls=" ) == 0 ) {
797 add_channel( "native_ctrls", arg.substr(15) );
798 } else if ( arg.find( "--native-fdm=" ) == 0 ) {
799 add_channel( "native_fdm", arg.substr(13) );
800 } else if ( arg.find( "--opengc=" ) == 0 ) {
802 // cout << "Adding channel for OpenGC Display" << endl; cin >> stop;
803 add_channel( "opengc", arg.substr(9) );
804 } else if ( arg.find( "--garmin=" ) == 0 ) {
805 add_channel( "garmin", arg.substr(9) );
806 } else if ( arg.find( "--nmea=" ) == 0 ) {
807 add_channel( "nmea", arg.substr(7) );
808 } else if ( arg.find( "--props=" ) == 0 ) {
809 add_channel( "props", arg.substr(8) );
810 } else if ( arg.find( "--pve=" ) == 0 ) {
811 add_channel( "pve", arg.substr(6) );
812 } else if ( arg.find( "--ray=" ) == 0 ) {
813 add_channel( "ray", arg.substr(6) );
814 } else if ( arg.find( "--rul=" ) == 0 ) {
815 add_channel( "rul", arg.substr(6) );
816 } else if ( arg.find( "--joyclient=" ) == 0 ) {
817 add_channel( "joyclient", arg.substr(12) );
818 #ifdef FG_NETWORK_OLK
819 } else if ( arg == "--disable-network-olk" ) {
820 fgSetBool("/sim/networking/olk", false);
821 } else if ( arg== "--enable-network-olk") {
822 fgSetBool("/sim/networking/olk", true);
823 } else if ( arg == "--net-hud" ) {
824 fgSetBool("/sim/hud/net-display", true);
825 net_hud_display = 1; // FIXME
826 } else if ( arg.find( "--net-id=") == 0 ) {
827 fgSetString("sim/networking/call-sign", arg.substr(9));
829 } else if ( arg.find( "--prop:" ) == 0 ) {
830 string assign = arg.substr(7);
831 unsigned int pos = assign.find('=');
832 if ( pos == arg.npos || pos == 0 ) {
833 SG_LOG( SG_GENERAL, SG_ALERT, "Bad property assignment: " << arg );
834 return FG_OPTIONS_ERROR;
836 string name = assign.substr(0, pos);
837 string value = assign.substr(pos + 1);
838 fgSetString(name.c_str(), value);
839 // SG_LOG(SG_GENERAL, SG_INFO, "Setting default value of property "
840 // << name << " to \"" << value << '"');
841 } else if ( arg.find("--trace-read=") == 0) {
842 string name = arg.substr(13);
843 SG_LOG(SG_GENERAL, SG_INFO, "Tracing reads for property " << name);
844 fgGetNode(name, true)->setAttribute(SGPropertyNode::TRACE_READ, true);
845 } else if ( arg.find("--trace-write=") == 0) {
846 string name = arg.substr(14);
847 SG_LOG(SG_GENERAL, SG_INFO, "Tracing writes for property " << name);
848 fgGetNode(name, true)->setAttribute(SGPropertyNode::TRACE_WRITE, true);
849 } else if ( arg.find( "--view-offset=" ) == 0 ) {
850 // $$$ begin - added VS Renganathan, 14 Oct 2K
851 // for multi-window outside window imagery
852 string woffset = arg.substr( 14 );
853 double default_view_offset = 0.0;
854 if ( woffset == "LEFT" ) {
855 default_view_offset = SGD_PI * 0.25;
856 } else if ( woffset == "RIGHT" ) {
857 default_view_offset = SGD_PI * 1.75;
858 } else if ( woffset == "CENTER" ) {
859 default_view_offset = 0.00;
861 default_view_offset = atof( woffset.c_str() ) * SGD_DEGREES_TO_RADIANS;
863 FGViewerRPH *pilot_view =
864 (FGViewerRPH *)globals->get_viewmgr()->get_view( 0 );
865 pilot_view->set_view_offset( default_view_offset );
866 pilot_view->set_goal_view_offset( default_view_offset );
867 fgSetDouble("/sim/view/offset-deg", default_view_offset);
868 // $$$ end - added VS Renganathan, 14 Oct 2K
869 } else if ( arg.find( "--visibility=" ) == 0 ) {
870 fgSetDouble("/environment/visibility-m", atof(arg.substr(13)));
871 } else if ( arg.find( "--visibility-miles=" ) == 0 ) {
872 double visibility = atof(arg.substr(19)) * 5280.0 * SG_FEET_TO_METER;
873 fgSetDouble("/environment/visibility-m", visibility);
874 } else if ( arg.find( "--wind=" ) == 0 ) {
875 string val = arg.substr(7);
876 unsigned int pos = val.find('@');
877 if ( pos == string::npos ) {
878 SG_LOG( SG_GENERAL, SG_ALERT, "bad wind value " << val );
879 return FG_OPTIONS_ERROR;
881 double dir = atof(val.substr(0,pos).c_str());
882 double speed = atof(val.substr(pos+1).c_str());
883 SG_LOG(SG_GENERAL, SG_INFO, "WIND: " << dir << '@' <<
884 speed << " knots" << endl);
885 fgSetDouble("/environment/wind-from-heading-deg", dir);
886 fgSetDouble("/environment/wind-speed-knots", speed);
889 speed *= SG_NM_TO_METER * SG_METER_TO_FEET * (1.0/3600);
893 dir *= SGD_DEGREES_TO_RADIANS;
894 fgSetDouble("/environment/wind-north-fps",
896 fgSetDouble("/environment/wind-east-fps",
898 } else if ( arg.find( "--wp=" ) == 0 ) {
899 parse_wp( arg.substr( 5 ) );
900 } else if ( arg.find( "--flight-plan=") == 0) {
901 parse_flightplan ( arg.substr (14) );
902 } else if ( arg.find( "--config=" ) == 0 ) {
903 string file = arg.substr(9);
905 readProperties(file, globals->get_props());
906 } catch (const sg_exception &e) {
907 string message = "Error loading config file: ";
908 message += e.getFormattedMessage();
909 SG_LOG(SG_INPUT, SG_ALERT, message);
912 } else if ( arg.find( "--aircraft=" ) == 0 ) {
913 // read in the top level aircraft definition file
914 SGPath apath( globals->get_fg_root() );
915 apath.append( "Aircraft" );
916 apath.append( arg.substr(11) );
917 apath.concat( "-set.xml" );
919 readProperties( apath.str(), globals->get_props() );
920 } catch (const sg_exception &e) {
921 string message = "Error loading aircraft file: ";
922 message += e.getFormattedMessage();
923 SG_LOG(SG_INPUT, SG_ALERT, message);
927 SG_LOG( SG_GENERAL, SG_ALERT, "Unknown option '" << arg << "'" );
928 return FG_OPTIONS_ERROR;
931 return FG_OPTIONS_OK;
935 // Scan the command line options for an fg_root definition and set
938 fgScanForRoot (int argc, char **argv)
942 SG_LOG(SG_GENERAL, SG_INFO, "Scanning for root: command line");
945 SG_LOG( SG_GENERAL, SG_DEBUG, "argv[" << i << "] = " << argv[i] );
947 string arg = argv[i];
948 if ( arg.find( "--fg-root=" ) == 0 ) {
949 return arg.substr( 10 );
959 // Scan the config file for an fg_root definition and set just that.
961 fgScanForRoot (const string& path)
963 sg_gzifstream in( path );
967 SG_LOG( SG_GENERAL, SG_INFO, "Scanning for root: " << path );
971 while ( ! in.eof() ) {
974 while ( in.get(c) && c != '\0' ) {
979 #if defined( macintosh )
980 getline( in, line, '\r' );
982 getline( in, line, '\n' );
985 // catch extraneous (DOS) line ending character
986 if ( line[line.length() - 1] < 32 ) {
987 line = line.substr( 0, line.length()-1 );
990 if ( line.find( "--fg-root=" ) == 0 ) {
991 return line.substr( 10 );
1001 // Parse the command line options
1003 fgParseArgs (int argc, char **argv)
1005 bool in_options = true;
1007 SG_LOG(SG_GENERAL, SG_INFO, "Processing command line arguments");
1009 for (int i = 1; i < argc; i++) {
1010 string arg = argv[i];
1012 if (in_options && (arg.find('-') == 0)) {
1016 int result = parse_option(arg);
1017 if ( (result == FG_OPTIONS_HELP) ||
1018 (result == FG_OPTIONS_ERROR) ) {
1025 SG_LOG(SG_GENERAL, SG_INFO,
1026 "Reading command-line property file " << arg);
1027 readProperties(arg, globals->get_props());
1031 SG_LOG(SG_GENERAL, SG_INFO, "Finished command line arguments");
1035 // Parse config file options
1037 fgParseOptions (const string& path) {
1038 sg_gzifstream in( path );
1039 if ( !in.is_open() ) {
1043 SG_LOG( SG_GENERAL, SG_INFO, "Processing config file: " << path );
1047 while ( ! in.eof() ) {
1050 while ( in.get(c) && c != '\0' ) {
1055 #if defined( macintosh )
1056 getline( in, line, '\r' );
1058 getline( in, line, '\n' );
1061 // catch extraneous (DOS) line ending character
1062 if ( line[line.length() - 1] < 32 ) {
1063 line = line.substr( 0, line.length()-1 );
1066 if ( parse_option( line ) == FG_OPTIONS_ERROR ) {
1067 SG_LOG( SG_GENERAL, SG_ALERT,
1068 "Config file parse error: " << path << " '"
1078 // Print usage message
1082 cout << "Usage: fgfs [ options ... ]" << endl;
1085 cout << "General Options:" << endl;
1086 cout << "\t--help -h: print usage" << endl;
1087 cout << "\t--fg-root=path: specify the root path for all the data files"
1089 cout << "\t--fg-scenery=path: specify the base path for all the scenery"
1091 << "\t\tdefaults to $FG_ROOT/Scenery" << endl;
1092 cout << "\t--disable-game-mode: disable full-screen game mode" << endl;
1093 cout << "\t--enable-game-mode: enable full-screen game mode" << endl;
1094 cout << "\t--disable-splash-screen: disable splash screen" << endl;
1095 cout << "\t--enable-splash-screen: enable splash screen" << endl;
1096 cout << "\t--disable-intro-music: disable introduction music" << endl;
1097 cout << "\t--enable-intro-music: enable introduction music" << endl;
1098 cout << "\t--disable-mouse-pointer: disable extra mouse pointer" << endl;
1099 cout << "\t--enable-mouse-pointer: enable extra mouse pointer (i.e. for"
1101 cout << "\t\tfull screen voodoo/voodoo-II based cards.)" << endl;
1102 cout << "\t--disable-freeze: start out in a running state" << endl;
1103 cout << "\t--enable-freeze: start out in a frozen state" << endl;
1104 cout << "\t--control=mode: primary control mode "
1105 << "(joystick, keyboard, mouse)" << endl;
1106 cout << "\t--enable-auto-coordination: enable auto coordination" << endl;
1107 cout << "\t--disable-auto-coordination: disable auto coordination" << endl;
1108 cout << "\t--browser-app=/path/to/app: specify location of your web browser" << endl;
1109 cout << "\t--prop:name=value: set property <name> to <value>" << endl;
1110 cout << "\t--config=path: load additional properties from path" << endl;
1113 cout << "Features:" << endl;
1114 cout << "\t--disable-hud: disable heads up display" << endl;
1115 cout << "\t--enable-hud: enable heads up display" << endl;
1116 cout << "\t--disable-panel: disable instrument panel" << endl;
1117 cout << "\t--enable-panel: enable instrument panel" << endl;
1118 cout << "\t--disable-sound: disable sound effects" << endl;
1119 cout << "\t--enable-sound: enable sound effects" << endl;
1120 cout << "\t--disable-anti-alias-hud: disable anti aliased hud" << endl;
1121 cout << "\t--enable-anti-alias-hud: enable anti aliased hud" << endl;
1124 cout << "Aircraft:" <<endl;
1125 cout << "\t--aircraft=name: select a top level <name>-set.xml file which" << endl;
1126 cout << "\t\twill automatically pull in the correct flight dynamics model," << endl;
1127 cout << "\t\taero specification, external 3d model, instrument panel, sounds," << endl;
1128 cout << "\t\tetc." << endl;
1132 cout << "Flight Model:" << endl;
1133 cout << "\t--fdm=abcd: selects the core flight model code." << endl;
1134 cout << "\t\tcan be one of jsb, larcsim, magic, null, external, balloon, or ada"
1136 cout << "\t--aero=abcd: aerodynamics model to load" << endl;
1137 cout << "\t--model-hz=n: run the FDM this rate (iterations per second)"
1139 cout << "\t--speed=n: run the FDM this much faster than real time" << endl;
1140 cout << "\t--notrim: Do NOT attempt to trim the model when initializing JSBsim" << endl;
1141 cout << "\t--on-ground: Start up at ground level (default)" << endl;
1142 cout << "\t--in-air: Start up in air (implied by specifying an initial"
1143 << " altitude above ground level." << endl;
1144 cout << "\t--wind=DIR@SPEED: specify wind coming from DIR (degrees) at SPEED (knots)" << endl;
1148 cout <<"Aircraft model directory:" << endl;
1149 cout <<"\t--aircraft-dir=<path> path is relative to the path of the executable" << endl;
1152 cout << "Initial Position and Orientation:" << endl;
1153 cout << "\t--airport-id=ABCD: specify starting postion by airport id"
1155 cout << "\t--offset-distance: specify distance to threshold"
1157 cout << "\t--offset-azimuth: specify heading to threshold (deg) "
1159 cout << "\t--lon=degrees: starting longitude in degrees (west = -)"
1161 cout << "\t--lat=degrees: starting latitude in degrees (south = -)"
1163 cout << "\t--altitude=feet: starting altitude in feet" << endl;
1164 cout << "\t\t(unless --units-meters specified)" << endl;
1165 cout << "\t--heading=degrees: heading (yaw) angle in degrees (Psi)"
1167 cout << "\t--roll=degrees: roll angle in degrees (Phi)" << endl;
1168 cout << "\t--pitch=degrees: pitch angle in degrees (Theta)" << endl;
1169 cout << "\t--uBody=feet per second: velocity along the body X axis"
1171 cout << "\t--vBody=feet per second: velocity along the body Y axis"
1173 cout << "\t--wBody=feet per second: velocity along the body Z axis"
1175 cout << "\t\t(unless --units-meters specified)" << endl;
1176 cout << "\t--vc= initial airspeed in knots" << endl;
1177 cout << "\t--mach= initial mach number" << endl;
1180 cout << "Rendering Options:" << endl;
1181 cout << "\t--fog-disable: disable fog/haze" << endl;
1182 cout << "\t--fog-fastest: enable fastest fog/haze" << endl;
1183 cout << "\t--fog-nicest: enable nicest fog/haze" << endl;
1184 cout << "\t--enable-clouds: enable demo cloud layer" << endl;
1185 cout << "\t--disable-clouds: disable demo cloud layer" << endl;
1186 cout << "\t--clouds-asl=xxx: specify altitude of cloud layer above sea level" << endl;
1187 cout << "\t--fov=xx.x: specify initial field of view angle in degrees"
1189 cout << "\t--disable-fullscreen: disable fullscreen mode" << endl;
1190 cout << "\t--enable-fullscreen: enable fullscreen mode" << endl;
1191 cout << "\t--shading-flat: enable flat shading" << endl;
1192 cout << "\t--shading-smooth: enable smooth shading" << endl;
1193 cout << "\t--disable-skyblend: disable sky blending" << endl;
1194 cout << "\t--enable-skyblend: enable sky blending" << endl;
1195 cout << "\t--disable-textures: disable textures" << endl;
1196 cout << "\t--enable-textures: enable textures" << endl;
1197 cout << "\t--disable-wireframe: disable wireframe drawing mode" << endl;
1198 cout << "\t--enable-wireframe: enable wireframe drawing mode" << endl;
1199 cout << "\t--geometry=WWWxHHH: window geometry: 640x480, 800x600, etc."
1201 cout << "\t--view-offset=xxx: set the default forward view direction"
1203 cout << "\t\tas an offset from straight ahead. Allowable values are"
1205 cout << "\t\tLEFT, RIGHT, CENTER, or a specific number of degrees" << endl;
1206 cout << "\t--visibility=xxx: specify initial visibility in meters" << endl;
1207 cout << "\t--visibility-miles=xxx: specify initial visibility in miles"
1211 cout << "Hud Options:" << endl;
1212 cout << "\t--units-feet: Hud displays units in feet" << endl;
1213 cout << "\t--units-meters: Hud displays units in meters" << endl;
1214 cout << "\t--hud-tris: Hud displays number of triangles rendered" << endl;
1215 cout << "\t--hud-culled: Hud displays percentage of triangles culled"
1219 cout << "Time Options:" << endl;
1220 cout << "\t--time-offset=[+-]hh:mm:ss: add this time offset" << endl;
1221 cout << "\t--time-match-real: Synchronize real-world and FlightGear" << endl
1222 << "\t\ttime. Can be used in combination with --time-offset." << endl;
1223 cout << "\t--time-match-local:Synchronize local real-world and " << endl
1224 << "\t\tFlightGear time" << endl;
1225 cout << "\t--start-date-sys=yyyy:mm:dd:hh:mm:ss: specify a starting" << endl
1226 << "\t\tdate/time. Uses your system time " << endl;
1227 cout << "\t--start-date-gmt=yyyy:mm:dd:hh:mm:ss: specify a starting" << endl
1228 << "\t\tdate/time. Uses Greenwich Mean Time" << endl;
1229 cout << "\t--start-date-lat=yyyy:mm:dd:hh:mm:ss: specify a starting" << endl
1230 << "\t\tdate/time. Uses Local Aircraft Time" << endl;
1233 cout << "Network Options:" << endl;
1234 cout << "\t--httpd=port: enable http server on the specified port" << endl;
1235 #ifdef FG_JPEG_SERVER
1236 cout << "\t--jpg-httpd=port: enable screen shot http server on the specified port" << endl;
1238 #ifdef FG_NETWORK_OLK
1239 cout << "\t--enable-network-olk: enable Multipilot mode" << endl;
1240 cout << "\t--disable-network-olk: disable Multipilot mode (default)" << endl;
1241 cout << "\t--net-hud: Hud displays network info" << endl;
1242 cout << "\t--net-id=name: specify your own callsign" << endl;
1246 cout << "Route/Way Point Options:" << endl;
1247 cout << "\t--wp=ID[@alt]: specify a waypoint for the GC autopilot" << endl;
1248 cout << "\t\tYou can specify multiple waypoints (a route) with multiple"
1250 cout << "\t\tinstances of --wp=" << endl;
1251 cout << "\t--flight-plan=[file]: Read all waypoints from [file]" <<endl;