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>
31 #if defined(FX) && defined(XMESA)
32 bool global_fullscreen = true;
35 #include <math.h> // rint()
37 #include <stdlib.h> // atof(), atoi()
42 #include <simgear/misc/fgstream.hxx>
44 // #include <Include/general.hxx>
45 // #include <Airports/simple.hxx>
46 // #include <Cockpit/cockpit.hxx>
47 // #include <FDM/flight.hxx>
48 // #include <FDM/UIUCModel/uiuc_aircraftdir.h>
50 # include <NetworkOLK/network.h>
53 #include "globals.hxx"
54 #include "fg_init.hxx"
55 #include "fg_props.hxx"
56 #include "options.hxx"
59 FG_USING_NAMESPACE(std);
62 #define NEW_DEFAULT_MODEL_HZ 120
72 atof( const string& str )
76 // -dw- if ::atof is called, then we get an infinite loop
77 return std::atof( str.c_str() );
79 return ::atof( str.c_str() );
84 atoi( const string& str )
87 // -dw- if ::atoi is called, then we get an infinite loop
88 return std::atoi( str.c_str() );
90 return ::atoi( str.c_str() );
96 * Set a few fail-safe default property values.
98 * These should all be set in $FG_ROOT/preferences.xml, but just
99 * in case, we provide some initial sane values here. This method
100 * should be invoked *before* reading any init files.
105 // set a possibly independent location for scenery data
106 char *envp = ::getenv( "FG_SCENERY" );
108 if ( envp != NULL ) {
109 // fg_root could be anywhere, so default to environmental
110 // variable $FG_ROOT if it is set.
111 globals->set_fg_scenery(envp);
113 // Otherwise, default to Scenery being in $FG_ROOT/Scenery
114 globals->set_fg_scenery("");
116 // Position (Globe, AZ)
117 fgSetDouble("/position/longitude", -110.6642444);
118 fgSetDouble("/position/latitude", 33.3528917);
119 fgSetDouble("/position/altitude", -9999.0);
122 fgSetDouble("/orientation/heading", 270);
123 fgSetDouble("/orientation/roll", 0);
124 fgSetDouble("/orientation/pitch", 0.424);
127 fgSetString("/sim/startup/speed-set", "knots");
128 fgSetDouble("/velocities/uBody", 0.0);
129 fgSetDouble("/velocities/vBody", 0.0);
130 fgSetDouble("/velocities/wBody", 0.0);
131 fgSetDouble("/velocities/speed-north", 0.0);
132 fgSetDouble("/velocities/speed-east", 0.0);
133 fgSetDouble("/velocities/speed-down", 0.0);
134 fgSetDouble("/velocities/airspeed", 0.0);
135 fgSetDouble("/velocities/mach", 0.0);
138 fgSetBool("/sim/startup/game-mode", false);
139 fgSetBool("/sim/startup/splash-screen", true);
140 fgSetBool("/sim/startup/intro-music", true);
141 fgSetString("/sim/startup/mouse-pointer", "disabled");
142 fgSetString("/sim/control-mode", "joystick");
143 fgSetBool("/sim/auto-coordination", false);
146 fgSetBool("/sim/hud/visibility", false);
147 fgSetBool("/sim/panel/visibility", true);
148 fgSetBool("/sim/sound", true);
149 fgSetBool("/sim/hud/antialiased", false);
151 // Flight Model options
152 fgSetString("/sim/flight-model", "larcsim");
153 fgSetString("/sim/aircraft", "c172");
154 fgSetInt("/sim/model-hz", NEW_DEFAULT_MODEL_HZ);
155 fgSetInt("/sim/speed-up", 1);
156 fgSetBool("/sim/startup/trim", false);
157 fgSetBool("/sim/startup/onground", true);
160 fgSetString("/sim/rendering/fog", "nicest");
161 fgSetBool("/environment/clouds/status", true);
162 fgSetDouble("/environment/clouds/altitude", 5000);
163 fgSetBool("/sim/startup/fullscreen", false);
164 fgSetBool("/sim/rendering/shading", true);
165 fgSetBool("/sim/rendering/skyblend", true);
166 fgSetBool("/sim/rendering/textures", true);
167 fgSetBool("/sim/rendering/wireframe", false);
168 fgSetInt("/sim/startup/xsize", 800);
169 fgSetInt("/sim/startup/ysize", 600);
170 fgSetInt("/sim/rendering/bits-per-pixel", 16);
171 fgSetString("/sim/view-mode", "pilot");
172 fgSetDouble("/sim/startup/view-offset", 0);
173 fgSetDouble("/environment/visibility", 20000);
176 fgSetString("/sim/startup/units", "feet");
177 fgSetString("/sim/hud/frame-stat-type", "tris");
180 fgSetInt("/sim/startup/time-offset", 0);
181 fgSetString("/sim/startup/time-offset-type", "system-offset");
183 fgSetBool("/sim/networking/network-olk", false);
184 fgSetString("/sim/networking/call-sign", "Johnny");
188 parse_time(const string& time_in) {
189 char *time_str, num[256];
190 double hours, minutes, seconds;
195 time_str = (char *)time_in.c_str();
197 // printf("parse_time(): %s\n", time_str);
200 if ( strlen(time_str) ) {
201 if ( time_str[0] == '+' ) {
204 } else if ( time_str[0] == '-' ) {
209 // printf("sign = %d\n", sign);
212 if ( strlen(time_str) ) {
214 while ( (time_str[0] != ':') && (time_str[0] != '\0') ) {
215 num[i] = time_str[0];
219 if ( time_str[0] == ':' ) {
224 // printf("hours = %.2lf\n", hours);
230 if ( strlen(time_str) ) {
232 while ( (time_str[0] != ':') && (time_str[0] != '\0') ) {
233 num[i] = time_str[0];
237 if ( time_str[0] == ':' ) {
242 // printf("minutes = %.2lf\n", minutes);
244 result += minutes / 60.0;
248 if ( strlen(time_str) ) {
250 while ( (time_str[0] != ':') && (time_str[0] != '\0') ) {
251 num[i] = time_str[0];
257 // printf("seconds = %.2lf\n", seconds);
259 result += seconds / 3600.0;
262 return(sign * result);
267 parse_date( const string& date)
270 char * date_str, num[256];
272 // initialize to zero
279 gmt.tm_isdst = 0; // ignore daylight savings time for the moment
280 date_str = (char *)date.c_str();
282 if ( strlen(date_str) ) {
284 while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
285 num[i] = date_str[0];
289 if ( date_str[0] == ':' ) {
293 gmt.tm_year = atoi(num) - 1900;
296 if ( strlen(date_str) ) {
298 while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
299 num[i] = date_str[0];
303 if ( date_str[0] == ':' ) {
307 gmt.tm_mon = atoi(num) -1;
310 if ( strlen(date_str) ) {
312 while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
313 num[i] = date_str[0];
317 if ( date_str[0] == ':' ) {
321 gmt.tm_mday = atoi(num);
324 if ( strlen(date_str) ) {
326 while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
327 num[i] = date_str[0];
331 if ( date_str[0] == ':' ) {
335 gmt.tm_hour = atoi(num);
338 if ( strlen(date_str) ) {
340 while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
341 num[i] = date_str[0];
345 if ( date_str[0] == ':' ) {
349 gmt.tm_min = atoi(num);
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_sec = atoi(num);
365 time_t theTime = sgTimeGetGMT( gmt.tm_year, gmt.tm_mon, gmt.tm_mday,
366 gmt.tm_hour, gmt.tm_min, gmt.tm_sec );
367 //printf ("Date is %s\n", ctime(&theTime));
368 //printf ("in seconds that is %d\n", theTime);
374 /// parse degree in the form of [+/-]hhh:mm:ss
376 parse_degree( const string& degree_str) {
377 double result = parse_time( degree_str );
379 // printf("Degree = %.4f\n", result);
385 // parse time offset command line option
387 parse_time_offset( const string& time_str) {
390 // printf("time offset = %s\n", time_str);
393 result = (int)rint(parse_time(time_str) * 3600.0);
395 result = (int)(parse_time(time_str) * 3600.0);
398 // printf("parse_time_offset(): %d\n", result);
404 // Parse --fov=x.xx type option
406 parse_fov( const string& arg ) {
407 double fov = atof(arg);
409 if ( fov < FG_FOV_MIN ) { fov = FG_FOV_MIN; }
410 if ( fov > FG_FOV_MAX ) { fov = FG_FOV_MAX; }
412 fgSetDouble("/sim/field-of-view", fov);
414 // printf("parse_fov(): result = %.4f\n", fov);
420 // Parse I/O channel option
422 // Format is "--protocol=medium,direction,hz,medium_options,..."
424 // protocol = { native, nmea, garmin, fgfs, rul, pve, etc. }
425 // medium = { serial, socket, file, etc. }
426 // direction = { in, out, bi }
427 // hz = number of times to process channel per second (floating
428 // point values are ok.
430 // Serial example "--nmea=serial,dir,hz,device,baud" where
432 // device = OS device name of serial line to be open()'ed
433 // baud = {300, 1200, 2400, ..., 230400}
435 // Socket exacmple "--native=socket,dir,hz,machine,port,style" where
437 // machine = machine name or ip address if client (leave empty if server)
438 // port = port, leave empty to let system choose
439 // style = tcp or udp
441 // File example "--garmin=file,dir,hz,filename" where
443 // filename = file system file name
446 parse_channel( const string& type, const string& channel_str ) {
447 // cout << "Channel string = " << channel_str << endl;
449 globals->get_channel_options_list()->push_back( type + "," + channel_str );
455 // Parse --wp=ID[,alt]
457 parse_wp( const string& arg ) {
461 int pos = arg.find( "@" );
462 if ( pos != string::npos ) {
463 id = arg.substr( 0, pos );
464 alt_str = arg.substr( pos + 1 );
465 // cout << "id str = " << id << " alt str = " << alt_str << endl;
466 alt = atof( alt_str.c_str() );
467 if ( fgGetString("/sim/startup/units") == "feet" ) {
468 alt *= FEET_TO_METER;
475 if ( fgFindAirportID( id, &a ) ) {
476 SGWayPoint wp( a.longitude, a.latitude, alt, SGWayPoint::WGS84, id );
477 globals->get_route()->add_waypoint( wp );
486 // Parse --flight-plan=[file]
488 parse_flightplan(const string& arg)
490 fg_gzifstream infile(arg.c_str());
496 #ifdef GETLINE_NEEDS_TERMINATOR
497 getline( infile, line, '\n' );
498 #elif defined( macintosh )
499 getline( infile, line, '\r' );
501 getline( infile, line );
503 if ( infile.eof() ) {
513 // Parse a single option
515 parse_option (const string& arg)
518 if ( (arg == "--help") || (arg == "-h") ) {
519 // help/usage request
520 return(FG_OPTIONS_HELP);
521 } else if ( arg == "--disable-game-mode") {
522 fgSetBool("/sim/startup/game-mode", false);
523 } else if ( arg == "--enable-game-mode" ) {
524 fgSetBool("/sim/startup/game-mode", true);
525 } else if ( arg == "--disable-splash-screen" ) {
526 fgSetBool("/sim/startup/splash-screen", false);
527 } else if ( arg == "--enable-splash-screen" ) {
528 fgSetBool("/sim/startup/splash-screen", true);
529 } else if ( arg == "--disable-intro-music" ) {
530 fgSetBool("/sim/startup/intro-music", false);
531 } else if ( arg == "--enable-intro-music" ) {
532 fgSetBool("/sim/startup/intro-music", true);
533 } else if ( arg == "--disable-mouse-pointer" ) {
534 fgSetString("/sim/startup/mouse-pointer", "disabled");
535 } else if ( arg == "--enable-mouse-pointer" ) {
536 fgSetString("/sim/startup/mouse-pointer", "enabled");
537 } else if ( arg == "--disable-freeze" ) {
538 globals->set_freeze(false);
539 } else if ( arg == "--enable-freeze" ) {
540 globals->set_freeze(true);
541 } else if ( arg == "--disable-anti-alias-hud" ) {
542 fgSetBool("/sim/hud/antialiased", false);
543 } else if ( arg == "--enable-anti-alias-hud" ) {
544 fgSetBool("/sim/hud/antialiased", true);
545 } else if ( arg.find( "--control=") != string::npos ) {
546 fgSetString("/sim/control-mode", arg.substr(10));
547 } else if ( arg == "--disable-auto-coordination" ) {
548 fgSetBool("/sim/auto-coordination", false);
549 } else if ( arg == "--enable-auto-coordination" ) {
550 fgSetBool("/sim/auto-coordination", true);
551 } else if ( arg == "--disable-hud" ) {
552 fgSetBool("/sim/hud/visibility", false);
553 } else if ( arg == "--enable-hud" ) {
554 fgSetBool("/sim/hud/visibility", true);
555 } else if ( arg == "--disable-panel" ) {
556 fgSetBool("/sim/panel/visibility", false);
557 } else if ( arg == "--enable-panel" ) {
558 fgSetBool("/sim/panel/visibility", true);
559 } else if ( arg == "--disable-sound" ) {
560 fgSetBool("/sim/sound", false);
561 } else if ( arg == "--enable-sound" ) {
562 fgSetBool("/sim/sound", true);
563 } else if ( arg.find( "--airport-id=") != string::npos ) {
564 // NB: changed property name!!!
565 fgSetString("/sim/startup/airport-id", arg.substr(13));
566 } else if ( arg.find( "--lon=" ) != string::npos ) {
567 fgSetDouble("/position/longitude",
568 parse_degree(arg.substr(6)));
569 fgSetString("/sim/startup/airport-id", "");
570 } else if ( arg.find( "--lat=" ) != string::npos ) {
571 fgSetDouble("/position/latitude",
572 parse_degree(arg.substr(6)));
573 fgSetString("/sim/startup/airport-id", "");
574 } else if ( arg.find( "--altitude=" ) != string::npos ) {
575 fgSetBool("/sim/startup/onground", false);
576 if ( fgGetString("/sim/startup/units") == "feet" )
577 fgSetDouble("/position/altitude", atof(arg.substr(11)));
579 fgSetDouble("/position/altitude",
580 atof(arg.substr(11)) * METER_TO_FEET);
581 } else if ( arg.find( "--uBody=" ) != string::npos ) {
582 fgSetString("/sim/startup/speed-set", "UVW");
583 // FIXME: the units are totally confused here
584 if ( fgGetString("/sim/startup/units") == "feet" )
585 fgSetDouble("/velocities/uBody", atof(arg.substr(8)));
587 fgSetDouble("/velocities/uBody",
588 atof(arg.substr(8)) * FEET_TO_METER);
589 } else if ( arg.find( "--vBody=" ) != string::npos ) {
590 fgSetString("/sim/startup/speed-set", "UVW");
591 // FIXME: the units are totally confused here
592 if ( fgGetString("/sim/startup/units") == "feet" )
593 fgSetDouble("/velocities/vBody", atof(arg.substr(8)));
595 fgSetDouble("/velocities/vBody",
596 atof(arg.substr(8)) * FEET_TO_METER);
597 } else if ( arg.find( "--wBody=" ) != string::npos ) {
598 fgSetString("/sim/startup/speed-set", "UVW");
599 // FIXME: the units are totally confused here
600 if ( fgGetString("/sim/startup/units") == "feet" )
601 fgSetDouble("/velocities/wBody", atof(arg.substr(8)));
603 fgSetDouble("/velocities/wBody",
604 atof(arg.substr(8)) * FEET_TO_METER);
605 } else if ( arg.find( "--vNorth=" ) != string::npos ) {
606 fgSetString("/sim/startup/speed-set", "NED");
607 // FIXME: the units are totally confused here
608 if ( fgGetString("/sim/startup/units") == "feet" )
609 fgSetDouble("/velocities/speed-north", atof(arg.substr(8)));
611 fgSetDouble("/velocities/speed-north",
612 atof(arg.substr(8)) * FEET_TO_METER);
613 } else if ( arg.find( "--vEast=" ) != string::npos ) {
614 fgSetString("/sim/startup/speed-set", "NED");
615 // FIXME: the units are totally confused here
616 if ( fgGetString("/sim/startup/units") == "feet" )
617 fgSetDouble("/velocities/speed-east", atof(arg.substr(8)));
619 fgSetDouble("/velocities/speed-east",
620 atof(arg.substr(8)) * FEET_TO_METER);
621 } else if ( arg.find( "--vDown=" ) != string::npos ) {
622 fgSetString("/sim/startup/speed-set", "NED");
623 // FIXME: the units are totally confused here
624 if ( fgGetString("/sim/startup/units") == "feet" )
625 fgSetDouble("/velocities/speed-down", atof(arg.substr(8)));
627 fgSetDouble("/velocities/speed-down",
628 atof(arg.substr(8)) * FEET_TO_METER);
629 } else if ( arg.find( "--vc=" ) != string::npos) {
630 fgSetString("/sim/startup/speed-set", "knots");
631 fgSetDouble("/velocities/airspeed", atof(arg.substr(5)));
632 } else if ( arg.find( "--mach=" ) != string::npos) {
633 fgSetString("/sim/startup/speed-set", "mach");
634 fgSetDouble("/velocities/mach", atof(arg.substr(7)));
635 } else if ( arg.find( "--heading=" ) != string::npos ) {
636 fgSetDouble("/orientation/heading", atof(arg.substr(10)));
637 } else if ( arg.find( "--roll=" ) != string::npos ) {
638 fgSetDouble("/orientation/roll", atof(arg.substr(7)));
639 } else if ( arg.find( "--pitch=" ) != string::npos ) {
640 fgSetDouble("/orientation/pitch", atof(arg.substr(8)));
641 } else if ( arg.find( "--fg-root=" ) != string::npos ) {
642 globals->set_fg_root(arg.substr( 10 ));
643 } else if ( arg.find( "--fg-scenery=" ) != string::npos ) {
644 globals->set_fg_scenery(arg.substr( 13 ));
645 } else if ( arg.find( "--fdm=" ) != string::npos ) {
646 fgSetString("/sim/flight-model", arg.substr(6));
647 } else if ( arg.find( "--aircraft=" ) != string::npos ) {
648 fgSetString("/sim/aircraft", arg.substr(11));
649 } else if ( arg.find( "--aircraft-dir=" ) != string::npos ) {
650 fgSetString("/sim/aircraft-dir", arg.substr(15));
651 } else if ( arg.find( "--model-hz=" ) != string::npos ) {
652 fgSetInt("/sim/model-hz", atoi(arg.substr(11)));
653 } else if ( arg.find( "--speed=" ) != string::npos ) {
654 fgSetInt("/sim/speed-up", atoi(arg.substr(8)));
655 } else if ( arg.find( "--trim") != string::npos) {
656 fgSetBool("/sim/startup/trim", true);
657 } else if ( arg.find( "--notrim") != string::npos) {
658 fgSetBool("/sim/startup/trim", false);
659 } else if ( arg.find( "--on-ground") != string::npos) {
660 fgSetBool("/sim/startup/onground", true);
661 } else if ( arg.find( "--in-air") != string::npos) {
662 fgSetBool("/sim/startup/onground", false);
663 } else if ( arg == "--fog-disable" ) {
664 fgSetString("/sim/rendering/fog", "disabled");
665 } else if ( arg == "--fog-fastest" ) {
666 fgSetString("/sim/rendering/fog", "fastest");
667 } else if ( arg == "--fog-nicest" ) {
668 fgSetString("/sim/fog", "nicest");
669 } else if ( arg == "--disable-clouds" ) {
670 fgSetBool("/environment/clouds/status", false);
671 } else if ( arg == "--enable-clouds" ) {
672 fgSetBool("/environment/clouds/status", true);
673 } else if ( arg.find( "--clouds-asl=" ) != string::npos ) {
674 // FIXME: check units
675 if ( fgGetString("/sim/startup/units") == "feet" )
676 fgSetDouble("/environment/clouds/altitude",
677 atof(arg.substr(13)) * FEET_TO_METER);
679 fgSetDouble("/environment/clouds/altitude",
680 atof(arg.substr(13)));
681 } else if ( arg.find( "--fov=" ) != string::npos ) {
682 parse_fov( arg.substr(6) );
683 } else if ( arg == "--disable-fullscreen" ) {
684 fgSetBool("/sim/startup/fullscreen", false);
685 } else if ( arg== "--enable-fullscreen") {
686 fgSetBool("/sim/startup/fullscreen", true);
687 } else if ( arg == "--shading-flat") {
688 fgSetBool("/sim/rendering/shading", false);
689 } else if ( arg == "--shading-smooth") {
690 fgSetBool("/sim/rendering/shading", true);
691 } else if ( arg == "--disable-skyblend") {
692 fgSetBool("/sim/rendering/skyblend", false);
693 } else if ( arg== "--enable-skyblend" ) {
694 fgSetBool("/sim/rendering/skyblend", true);
695 } else if ( arg == "--disable-textures" ) {
696 fgSetBool("/sim/rendering/textures", false);
697 } else if ( arg == "--enable-textures" ) {
698 fgSetBool("/sim/rendering/textures", true);
699 } else if ( arg == "--disable-wireframe" ) {
700 fgSetBool("/sim/rendering/wireframe", false);
701 } else if ( arg == "--enable-wireframe" ) {
702 fgSetBool("/sim/rendering/wireframe", true);
703 } else if ( arg.find( "--geometry=" ) != string::npos ) {
704 bool geometry_ok = true;
705 int xsize = 0, ysize = 0;
706 string geometry = arg.substr( 11 );
707 string::size_type i = geometry.find('x');
709 if (i != string::npos) {
710 xsize = atoi(geometry.substr(0, i));
711 ysize = atoi(geometry.substr(i+1));
716 if ( xsize <= 0 || ysize <= 0 ) {
722 if ( !geometry_ok ) {
723 FG_LOG( FG_GENERAL, FG_ALERT, "Unknown geometry: " << geometry );
724 FG_LOG( FG_GENERAL, FG_ALERT,
725 "Setting geometry to " << xsize << 'x' << ysize << '\n');
727 FG_LOG( FG_GENERAL, FG_INFO,
728 "Setting geometry to " << xsize << 'x' << ysize << '\n');
729 fgSetInt("/sim/startup/xsize", xsize);
730 fgSetInt("/sim/startup/ysize", ysize);
732 } else if ( arg.find( "--bpp=" ) != string::npos ) {
733 string bits_per_pix = arg.substr( 6 );
734 if ( bits_per_pix == "16" ) {
735 fgSetInt("/sim/rendering/bits-per-pixel", 16);
736 } else if ( bits_per_pix == "24" ) {
737 fgSetInt("/sim/rendering/bits-per-pixel", 24);
738 } else if ( bits_per_pix == "32" ) {
739 fgSetInt("/sim/rendering/bits-per-pixel", 32);
741 FG_LOG(FG_GENERAL, FG_ALERT, "Unsupported bpp " << bits_per_pix);
743 } else if ( arg == "--units-feet" ) {
744 fgSetString("/sim/startup/units", "feet");
745 } else if ( arg == "--units-meters" ) {
746 fgSetString("/sim/startup/units", "meters");
747 } else if ( arg.find( "--time-offset" ) != string::npos ) {
748 fgSetInt("/sim/startup/time-offset",
749 parse_time_offset( (arg.substr(14)) ));
750 } else if ( arg.find( "--time-match-real") != string::npos ) {
751 fgSetString("/sim/startup/time-offset_type",
753 } else if ( arg.find( "--time-match-local") != string::npos ) {
754 fgSetString("/sim/startup/time-offset_type",
756 } else if ( arg.find( "--start-date-sys=") != string::npos ) {
757 fgSetInt("/sim/startup/time-offset",
758 parse_date((arg.substr(17))));
759 fgSetString("/sim/startup/time-offset-type", "system");
760 } else if ( arg.find( "--start-date-lat=") != string::npos ) {
761 fgSetInt("/sim/startup/time-offset",
762 parse_date((arg.substr(17))));
763 fgSetString("/sim/startup/time-offset-type",
765 } else if ( arg.find( "--start-date-gmt=") != string::npos ) {
766 fgSetInt("/sim/startup/time-offset",
767 parse_date((arg.substr(17))));
768 fgSetString("/sim/startup/time-offset-type", "gmt");
769 } else if ( arg == "--hud-tris" ) {
770 fgSetString("/sim/hud/frame-stat-type", "tris");
771 } else if ( arg == "--hud-culled" ) {
772 fgSetString("/sim/hud/frame-stat-type", "culled");
773 } else if ( arg.find( "--atlas=" ) != string::npos ) {
774 parse_channel( "atlas", arg.substr(8) );
775 } else if ( arg.find( "--native=" ) != string::npos ) {
776 parse_channel( "native", arg.substr(9) );
777 } else if ( arg.find( "--garmin=" ) != string::npos ) {
778 parse_channel( "garmin", arg.substr(9) );
779 } else if ( arg.find( "--nmea=" ) != string::npos ) {
780 parse_channel( "nmea", arg.substr(7) );
781 } else if ( arg.find( "--props=" ) != string::npos ) {
782 parse_channel( "props", arg.substr(8) );
783 } else if ( arg.find( "--pve=" ) != string::npos ) {
784 parse_channel( "pve", arg.substr(6) );
785 } else if ( arg.find( "--ray=" ) != string::npos ) {
786 parse_channel( "ray", arg.substr(6) );
787 } else if ( arg.find( "--rul=" ) != string::npos ) {
788 parse_channel( "rul", arg.substr(6) );
789 } else if ( arg.find( "--joyclient=" ) != string::npos ) {
790 parse_channel( "joyclient", arg.substr(12) );
791 #ifdef FG_NETWORK_OLK
792 } else if ( arg == "--disable-network-olk" ) {
793 fgSetBool("/sim/networking/olk", false);
794 } else if ( arg== "--enable-network-olk") {
795 fgSetBool("/sim/networking/olk", true);
796 } else if ( arg == "--net-hud" ) {
797 fgSetBool("/sim/hud/net-display", true);
798 net_hud_display = 1; // FIXME
799 } else if ( arg.find( "--net-id=") != string::npos ) {
800 fgSetString("sim/networking/call-sign", arg.substr(9));
802 } else if ( arg.find( "--prop:" ) == 0 ) {
803 string assign = arg.substr(7);
804 int pos = assign.find('=');
805 if (pos == arg.npos || pos == 0) {
806 FG_LOG(FG_GENERAL, FG_ALERT, "Bad property assignment: " << arg);
807 return FG_OPTIONS_ERROR;
809 string name = assign.substr(0, pos);
810 string value = assign.substr(pos + 1);
811 fgSetString(name.c_str(), value);
812 // FG_LOG(FG_GENERAL, FG_INFO, "Setting default value of property "
813 // << name << " to \"" << value << '"');
814 // $$$ begin - added VS Renganathan, 14 Oct 2K
815 // for multi-window outside window imagery
816 } else if ( arg.find( "--view-offset=" ) != string::npos ) {
817 string woffset = arg.substr( 14 );
818 double default_view_offset = 0.0;
819 if ( woffset == "LEFT" ) {
820 default_view_offset = FG_PI * 0.25;
821 } else if ( woffset == "RIGHT" ) {
822 default_view_offset = FG_PI * 1.75;
823 } else if ( woffset == "CENTER" ) {
824 default_view_offset = 0.00;
826 default_view_offset = atof( woffset.c_str() ) * DEG_TO_RAD;
828 FGViewerRPH *pilot_view =
829 (FGViewerRPH *)globals->get_viewmgr()->get_view( 0 );
830 pilot_view->set_view_offset( default_view_offset );
831 pilot_view->set_goal_view_offset( default_view_offset );
832 fgSetDouble("/sim/startup/view-offset", default_view_offset);
833 // $$$ end - added VS Renganathan, 14 Oct 2K
834 } else if ( arg.find( "--visibility=" ) != string::npos ) {
835 fgSetDouble("/environment/visibility", atof(arg.substr(13)));
836 } else if ( arg.find( "--visibility-miles=" ) != string::npos ) {
837 double visibility = atof(arg.substr(19)) * 5280.0 * FEET_TO_METER;
838 fgSetDouble("/environment/visibility", visibility);
839 } else if ( arg.find( "--wind=" ) == 0 ) {
840 string val = arg.substr(7);
841 int pos = val.find('@');
842 if (pos == string::npos) {
843 FG_LOG(FG_GENERAL, FG_ALERT, "bad wind value " << val);
844 return FG_OPTIONS_ERROR;
846 double dir = atof(val.substr(0,pos).c_str());
847 double speed = atof(val.substr(pos+1).c_str());
848 FG_LOG(FG_GENERAL, FG_INFO, "WIND: " << dir << '@' <<
849 speed << " knots" << endl);
851 speed *= NM_TO_METER * METER_TO_FEET * (1.0/3600);
856 fgSetDouble("/environment/wind-north",
858 fgSetDouble("/environment/wind-east",
860 } else if ( arg.find( "--wp=" ) != string::npos ) {
861 parse_wp( arg.substr( 5 ) );
862 } else if ( arg.find( "--flight-plan=") != string::npos) {
863 parse_flightplan ( arg.substr (14) );
865 FG_LOG( FG_GENERAL, FG_ALERT, "Unknown option '" << arg << "'" );
866 return FG_OPTIONS_ERROR;
869 return FG_OPTIONS_OK;
873 // Scan the command line options for an fg_root definition and set
876 fgScanForRoot (int argc, char **argv)
880 FG_LOG(FG_GENERAL, FG_INFO, "Scanning for root: command line");
883 FG_LOG( FG_GENERAL, FG_DEBUG, "argv[" << i << "] = " << argv[i] );
885 string arg = argv[i];
886 if ( arg.find( "--fg-root=" ) != string::npos ) {
887 return arg.substr( 10 );
897 // Scan the config file for an fg_root definition and set just that.
899 fgScanForRoot (const string& path)
901 fg_gzifstream in( path );
905 FG_LOG( FG_GENERAL, FG_INFO, "Scanning for root: " << path );
909 while ( ! in.eof() ) {
912 while ( in.get(c) && c != '\0' ) {
917 #ifdef GETLINE_NEEDS_TERMINATOR
918 getline( in, line, '\n' );
919 #elif defined( macintosh )
920 getline( in, line, '\r' );
925 if ( line.find( "--fg-root=" ) != string::npos ) {
926 return line.substr( 10 );
936 // Parse the command line options
938 fgParseOptions (int argc, char **argv) {
942 FG_LOG(FG_GENERAL, FG_INFO, "Processing command line arguments");
945 FG_LOG( FG_GENERAL, FG_DEBUG, "argv[" << i << "] = " << argv[i] );
947 result = parse_option(argv[i]);
948 if ( (result == FG_OPTIONS_HELP) || (result == FG_OPTIONS_ERROR) ) {
958 // Parse config file options
960 fgParseOptions (const string& path) {
961 fg_gzifstream in( path );
965 FG_LOG( FG_GENERAL, FG_INFO, "Processing config file: " << path );
969 while ( ! in.eof() ) {
972 while ( in.get(c) && c != '\0' ) {
977 #ifdef GETLINE_NEEDS_TERMINATOR
978 getline( in, line, '\n' );
979 #elif defined( macintosh )
980 getline( in, line, '\r' );
985 if ( parse_option( line ) == FG_OPTIONS_ERROR ) {
986 FG_LOG( FG_GENERAL, FG_ALERT,
987 "Config file parse error: " << path << " '"
997 // Print usage message
1001 cout << "Usage: fgfs [ options ... ]" << endl;
1004 cout << "General Options:" << endl;
1005 cout << "\t--help -h: print usage" << endl;
1006 cout << "\t--fg-root=path: specify the root path for all the data files"
1008 cout << "\t--fg-scenery=path: specify the base path for all the scenery"
1010 << "\t\tdefaults to $FG_ROOT/Scenery" << endl;
1011 cout << "\t--disable-game-mode: disable full-screen game mode" << endl;
1012 cout << "\t--enable-game-mode: enable full-screen game mode" << endl;
1013 cout << "\t--disable-splash-screen: disable splash screen" << endl;
1014 cout << "\t--enable-splash-screen: enable splash screen" << endl;
1015 cout << "\t--disable-intro-music: disable introduction music" << endl;
1016 cout << "\t--enable-intro-music: enable introduction music" << endl;
1017 cout << "\t--disable-mouse-pointer: disable extra mouse pointer" << endl;
1018 cout << "\t--enable-mouse-pointer: enable extra mouse pointer (i.e. for"
1020 cout << "\t\tfull screen voodoo/voodoo-II based cards.)" << endl;
1021 cout << "\t--disable-freeze: start out in an running state" << endl;
1022 cout << "\t--enable-freeze: start out in a frozen state" << endl;
1023 cout << "\t--control=mode: primary control mode "
1024 << "(joystick, keyboard, mouse)" << endl;
1027 cout << "Features:" << endl;
1028 cout << "\t--disable-hud: disable heads up display" << endl;
1029 cout << "\t--enable-hud: enable heads up display" << endl;
1030 cout << "\t--disable-panel: disable instrument panel" << endl;
1031 cout << "\t--enable-panel: enable instrumetn panel" << endl;
1032 cout << "\t--disable-sound: disable sound effects" << endl;
1033 cout << "\t--enable-sound: enable sound effects" << endl;
1034 cout << "\t--disable-anti-alias-hud: disable anti aliased hud" << endl;
1035 cout << "\t--enable-anti-alias-hud: enable anti aliased hud" << endl;
1038 cout << "Flight Model:" << endl;
1039 cout << "\t--fdm=abcd: selects the core flight model code." << endl;
1040 cout << "\t\tcan be one of jsb, larcsim, magic, external, balloon, or ada"
1042 cout << "\t--aircraft=abcd: aircraft model to load" << endl;
1043 cout << "\t--model-hz=n: run the FDM this rate (iterations per second)"
1045 cout << "\t--speed=n: run the FDM this much faster than real time" << endl;
1046 cout << "\t--notrim: Do NOT attempt to trim the model when initializing JSBsim" << endl;
1047 cout << "\t--on-ground: Start up at ground level (default)" << endl;
1048 cout << "\t--in-air: Start up in air (implied by specifying an initial"
1049 << " altitude above ground level." << endl;
1050 cout << "\t--wind=DIR@SPEED: specify wind coming from DIR (degrees) at SPEED (knots)" << endl;
1054 cout <<"Aircraft model directory:" << endl;
1055 cout <<"\t--aircraft-dir=<path> path is relative to the path of the executable" << endl;
1058 cout << "Initial Position and Orientation:" << endl;
1059 cout << "\t--airport-id=ABCD: specify starting postion by airport id"
1061 cout << "\t--lon=degrees: starting longitude in degrees (west = -)"
1063 cout << "\t--lat=degrees: starting latitude in degrees (south = -)"
1065 cout << "\t--altitude=feet: starting altitude in feet" << endl;
1066 cout << "\t\t(unless --units-meters specified" << endl;
1067 cout << "\t--heading=degrees: heading (yaw) angle in degress (Psi)"
1069 cout << "\t--roll=degrees: roll angle in degrees (Phi)" << endl;
1070 cout << "\t--pitch=degrees: pitch angle in degrees (Theta)" << endl;
1071 cout << "\t--uBody=feet per second: velocity along the body X axis"
1073 cout << "\t--vBody=feet per second: velocity along the body Y axis"
1075 cout << "\t--wBody=feet per second: velocity along the body Z axis"
1077 cout << "\t\t(unless --units-meters specified" << endl;
1078 cout << "\t--vc= initial airspeed in knots (--fdm=jsb only)" << endl;
1079 cout << "\t--mach= initial mach number (--fdm=jsb only)" << endl;
1082 cout << "Rendering Options:" << endl;
1083 cout << "\t--fog-disable: disable fog/haze" << endl;
1084 cout << "\t--fog-fastest: enable fastest fog/haze" << endl;
1085 cout << "\t--fog-nicest: enable nicest fog/haze" << endl;
1086 cout << "\t--enable-clouds: enable demo cloud layer" << endl;
1087 cout << "\t--disable-clouds: disable demo cloud layer" << endl;
1088 cout << "\t--clouds-asl=xxx: specify altitude of cloud layer above sea level" << endl;
1089 cout << "\t--fov=xx.x: specify initial field of view angle in degrees"
1091 cout << "\t--disable-fullscreen: disable fullscreen mode" << endl;
1092 cout << "\t--enable-fullscreen: enable fullscreen mode" << endl;
1093 cout << "\t--shading-flat: enable flat shading" << endl;
1094 cout << "\t--shading-smooth: enable smooth shading" << endl;
1095 cout << "\t--disable-skyblend: disable sky blending" << endl;
1096 cout << "\t--enable-skyblend: enable sky blending" << endl;
1097 cout << "\t--disable-textures: disable textures" << endl;
1098 cout << "\t--enable-textures: enable textures" << endl;
1099 cout << "\t--disable-wireframe: disable wireframe drawing mode" << endl;
1100 cout << "\t--enable-wireframe: enable wireframe drawing mode" << endl;
1101 cout << "\t--geometry=WWWxHHH: window geometry: 640x480, 800x600, etc."
1103 cout << "\t--view-offset=xxx: set the default forward view direction"
1105 cout << "\t\tas an offset from straight ahead. Allowable values are"
1107 cout << "\t\tLEFT, RIGHT, CENTER, or a specific number of degrees" << endl;
1108 cout << "\t--visibility=xxx: specify initial visibility in meters" << endl;
1109 cout << "\t--visibility-miles=xxx: specify initial visibility in miles"
1113 cout << "Scenery Options:" << endl;
1114 cout << "\t--tile-radius=n: specify tile radius, must be 1 - 4" << endl;
1117 cout << "Hud Options:" << endl;
1118 cout << "\t--units-feet: Hud displays units in feet" << endl;
1119 cout << "\t--units-meters: Hud displays units in meters" << endl;
1120 cout << "\t--hud-tris: Hud displays number of triangles rendered" << endl;
1121 cout << "\t--hud-culled: Hud displays percentage of triangles culled"
1125 cout << "Time Options:" << endl;
1126 cout << "\t--time-offset=[+-]hh:mm:ss: add this time offset" << endl;
1127 cout << "\t--time-match-real: Synchronize real-world and FlightGear" << endl
1128 << "\t\ttime. Can be used in combination with --time-offset." << endl;
1129 cout << "\t--time-match-local:Synchronize local real-world and " << endl
1130 << "\t\tFlightGear time" << endl;
1131 cout << "\t--start-date-sys=yyyy:mm:dd:hh:mm:ss: specify a starting" << endl
1132 << "\t\tdate/time. Uses your system time " << endl;
1133 cout << "\t--start-date-gmt=yyyy:mm:dd:hh:mm:ss: specify a starting" << endl
1134 << "\t\tdate/time. Uses Greenwich Mean Time" << endl;
1135 cout << "\t--start-date-lat=yyyy:mm:dd:hh:mm:ss: specify a starting" << endl
1136 << "\t\tdate/time. Uses Local Aircraft Time" << endl;
1137 #ifdef FG_NETWORK_OLK
1140 cout << "Network Options:" << endl;
1141 cout << "\t--enable-network-olk: enable Multipilot mode" << endl;
1142 cout << "\t--disable-network-olk: disable Multipilot mode (default)" << endl;
1143 cout << "\t--net-hud: Hud displays network info" << endl;
1144 cout << "\t--net-id=name: specify your own callsign" << endl;
1148 cout << "Route/Way Point Options:" << endl;
1149 cout << "\t--wp=ID[@alt]: specify a waypoint for the GC autopilot" << endl;
1150 cout << "\t\tYou can specify multiple waypoints (a route) with multiple"
1152 cout << "\t\tinstances of --wp=" << endl;
1153 cout << "\t--flight-plan=[file]: Read all waypoints from [file]" <<endl;