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()
34 #include <string.h> // strcmp()
38 #include <simgear/misc/sgstream.hxx>
39 #include <simgear/misc/sg_path.hxx>
40 #include <simgear/route/route.hxx>
41 #include <simgear/route/waypoint.hxx>
43 // #include <Include/general.hxx>
44 // #include <Airports/simple.hxx>
45 // #include <Cockpit/cockpit.hxx>
46 // #include <FDM/flight.hxx>
47 // #include <FDM/UIUCModel/uiuc_aircraftdir.h>
49 # include <NetworkOLK/network.h>
54 #include "globals.hxx"
55 #include "fg_init.hxx"
56 #include "fg_props.hxx"
57 #include "options.hxx"
58 #include "viewmgr.hxx"
61 SG_USING_NAMESPACE(std);
64 #define NEW_DEFAULT_MODEL_HZ 120
74 atof( const string& str )
78 // -dw- if ::atof is called, then we get an infinite loop
79 return std::atof( str.c_str() );
81 return ::atof( str.c_str() );
86 atoi( const string& str )
89 // -dw- if ::atoi is called, then we get an infinite loop
90 return std::atoi( str.c_str() );
92 return ::atoi( str.c_str() );
98 * Set a few fail-safe default property values.
100 * These should all be set in $FG_ROOT/preferences.xml, but just
101 * in case, we provide some initial sane values here. This method
102 * should be invoked *before* reading any init files.
107 // set a possibly independent location for scenery data
108 char *envp = ::getenv( "FG_SCENERY" );
110 if ( envp != NULL ) {
111 // fg_root could be anywhere, so default to environmental
112 // variable $FG_ROOT if it is set.
113 globals->set_fg_scenery(envp);
115 // Otherwise, default to Scenery being in $FG_ROOT/Scenery
116 globals->set_fg_scenery("");
118 // Position (deliberately out of range)
119 fgSetDouble("/position/longitude-deg", 9999.0);
120 fgSetDouble("/position/latitude-deg", 9999.0);
121 fgSetDouble("/position/altitude-ft", -9999.0);
124 fgSetDouble("/orientation/heading-deg", 270);
125 fgSetDouble("/orientation/roll-deg", 0);
126 fgSetDouble("/orientation/pitch-deg", 0.424);
129 fgSetString("/sim/startup/speed-set", "knots");
130 fgSetDouble("/velocities/uBody-fps", 0.0);
131 fgSetDouble("/velocities/vBody-fps", 0.0);
132 fgSetDouble("/velocities/wBody-fps", 0.0);
133 fgSetDouble("/velocities/speed-north-fps", 0.0);
134 fgSetDouble("/velocities/speed-east-fps", 0.0);
135 fgSetDouble("/velocities/speed-down-fps", 0.0);
136 fgSetDouble("/velocities/airspeed-kt", 0.0);
137 fgSetDouble("/velocities/mach", 0.0);
140 fgSetBool("/sim/startup/game-mode", false);
141 fgSetBool("/sim/startup/splash-screen", true);
142 fgSetBool("/sim/startup/intro-music", true);
143 // we want mouse-pointer to have an undefined value if nothing is
144 // specified so we can do the right thing for voodoo-1/2 cards.
145 // fgSetString("/sim/startup/mouse-pointer", "disabled");
146 fgSetString("/sim/control-mode", "joystick");
147 fgSetBool("/sim/auto-coordination", false);
149 fgSetString("/sim/startup/browser-app", "netscape");
151 fgSetString("/sim/startup/browser-app", "webrun.bat");
154 fgSetBool("/sim/hud/visibility", false);
155 fgSetBool("/sim/panel/visibility", true);
156 fgSetBool("/sim/sound/audible", true);
157 fgSetBool("/sim/hud/antialiased", false);
159 // Flight Model options
160 fgSetString("/sim/flight-model", "jsb");
161 fgSetString("/sim/aero", "c172");
162 fgSetInt("/sim/model-hz", NEW_DEFAULT_MODEL_HZ);
163 fgSetInt("/sim/speed-up", 1);
164 fgSetBool("/sim/startup/trim", false);
165 fgSetBool("/sim/startup/onground", true);
168 fgSetString("/sim/rendering/fog", "nicest");
169 fgSetBool("/environment/clouds/status", true);
170 fgSetDouble("/environment/clouds/altitude-ft", 5000);
171 fgSetBool("/sim/startup/fullscreen", false);
172 fgSetBool("/sim/rendering/shading", true);
173 fgSetBool("/sim/rendering/skyblend", true);
174 fgSetBool("/sim/rendering/textures", true);
175 fgSetBool("/sim/rendering/wireframe", false);
176 fgSetInt("/sim/startup/xsize", 800);
177 fgSetInt("/sim/startup/ysize", 600);
178 fgSetInt("/sim/rendering/bits-per-pixel", 16);
179 fgSetString("/sim/view-mode", "pilot");
180 fgSetDouble("/sim/current-view/heading-offset-deg", 0);
181 fgSetDouble("/environment/visibility-m", 20000);
184 fgSetString("/sim/startup/units", "feet");
185 fgSetString("/sim/hud/frame-stat-type", "tris");
188 fgSetInt("/sim/startup/time-offset", 0);
189 fgSetString("/sim/startup/time-offset-type", "system-offset");
190 fgSetLong("/sim/time/cur-time-override", 0);
192 fgSetBool("/sim/networking/network-olk", false);
193 fgSetString("/sim/networking/call-sign", "Johnny");
196 fgSetBool("/sim/freeze/master", false);
197 fgSetBool("/sim/freeze/position", false);
198 fgSetBool("/sim/freeze/clock", false);
199 fgSetBool("/sim/freeze/fuel", false);
203 // parse a time string ([+/-]%f[:%f[:%f]]) into hours
205 parse_time(const string& time_in) {
206 char *time_str, num[256];
207 double hours, minutes, seconds;
212 time_str = (char *)time_in.c_str();
214 // printf("parse_time(): %s\n", time_str);
217 if ( strlen(time_str) ) {
218 if ( time_str[0] == '+' ) {
221 } else if ( time_str[0] == '-' ) {
226 // printf("sign = %d\n", sign);
229 if ( strlen(time_str) ) {
231 while ( (time_str[0] != ':') && (time_str[0] != '\0') ) {
232 num[i] = time_str[0];
236 if ( time_str[0] == ':' ) {
241 // printf("hours = %.2lf\n", hours);
247 if ( strlen(time_str) ) {
249 while ( (time_str[0] != ':') && (time_str[0] != '\0') ) {
250 num[i] = time_str[0];
254 if ( time_str[0] == ':' ) {
259 // printf("minutes = %.2lf\n", minutes);
261 result += minutes / 60.0;
265 if ( strlen(time_str) ) {
267 while ( (time_str[0] != ':') && (time_str[0] != '\0') ) {
268 num[i] = time_str[0];
274 // printf("seconds = %.2lf\n", seconds);
276 result += seconds / 3600.0;
279 return(sign * result);
283 // parse a date string (yyyy:mm:dd:hh:mm:ss) into a time_t (seconds)
285 parse_date( const string& date)
288 char * date_str, num[256];
290 // initialize to zero
297 gmt.tm_isdst = 0; // ignore daylight savings time for the moment
298 date_str = (char *)date.c_str();
300 if ( strlen(date_str) ) {
302 while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
303 num[i] = date_str[0];
307 if ( date_str[0] == ':' ) {
311 gmt.tm_year = atoi(num) - 1900;
314 if ( strlen(date_str) ) {
316 while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
317 num[i] = date_str[0];
321 if ( date_str[0] == ':' ) {
325 gmt.tm_mon = atoi(num) -1;
328 if ( strlen(date_str) ) {
330 while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
331 num[i] = date_str[0];
335 if ( date_str[0] == ':' ) {
339 gmt.tm_mday = atoi(num);
342 if ( strlen(date_str) ) {
344 while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
345 num[i] = date_str[0];
349 if ( date_str[0] == ':' ) {
353 gmt.tm_hour = atoi(num);
356 if ( strlen(date_str) ) {
358 while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
359 num[i] = date_str[0];
363 if ( date_str[0] == ':' ) {
367 gmt.tm_min = atoi(num);
370 if ( strlen(date_str) ) {
372 while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
373 num[i] = date_str[0];
377 if ( date_str[0] == ':' ) {
381 gmt.tm_sec = atoi(num);
383 time_t theTime = sgTimeGetGMT( gmt.tm_year, gmt.tm_mon, gmt.tm_mday,
384 gmt.tm_hour, gmt.tm_min, gmt.tm_sec );
385 //printf ("Date is %s\n", ctime(&theTime));
386 //printf ("in seconds that is %d\n", theTime);
392 // parse angle in the form of [+/-]ddd:mm:ss into degrees
394 parse_degree( const string& degree_str) {
395 double result = parse_time( degree_str );
397 // printf("Degree = %.4f\n", result);
403 // parse time offset string into seconds
405 parse_time_offset( const string& time_str) {
408 // printf("time offset = %s\n", time_str);
411 result = (int)rint(parse_time(time_str) * 3600.0);
413 result = (int)(parse_time(time_str) * 3600.0);
416 // printf("parse_time_offset(): %d\n", result);
422 // Parse --fov=x.xx type option
424 parse_fov( const string& arg ) {
425 double fov = atof(arg);
427 if ( fov < FG_FOV_MIN ) { fov = FG_FOV_MIN; }
428 if ( fov > FG_FOV_MAX ) { fov = FG_FOV_MAX; }
430 fgSetDouble("/sim/current-view/field-of-view", fov);
432 // printf("parse_fov(): result = %.4f\n", fov);
438 // Parse I/O channel option
440 // Format is "--protocol=medium,direction,hz,medium_options,..."
442 // protocol = { native, nmea, garmin, fgfs, rul, pve, etc. }
443 // medium = { serial, socket, file, etc. }
444 // direction = { in, out, bi }
445 // hz = number of times to process channel per second (floating
446 // point values are ok.
448 // Serial example "--nmea=serial,dir,hz,device,baud" where
450 // device = OS device name of serial line to be open()'ed
451 // baud = {300, 1200, 2400, ..., 230400}
453 // Socket exacmple "--native=socket,dir,hz,machine,port,style" where
455 // machine = machine name or ip address if client (leave empty if server)
456 // port = port, leave empty to let system choose
457 // style = tcp or udp
459 // File example "--garmin=file,dir,hz,filename" where
461 // filename = file system file name
464 add_channel( const string& type, const string& channel_str ) {
465 // cout << "Channel string = " << channel_str << endl;
467 globals->get_channel_options_list()->push_back( type + "," + channel_str );
473 // Parse --wp=ID[@alt]
475 parse_wp( const string& arg ) {
479 unsigned int pos = arg.find( "@" );
480 if ( pos != string::npos ) {
481 id = arg.substr( 0, pos );
482 alt_str = arg.substr( pos + 1 );
483 // cout << "id str = " << id << " alt str = " << alt_str << endl;
484 alt = atof( alt_str.c_str() );
485 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") ) {
486 alt *= SG_FEET_TO_METER;
493 if ( fgFindAirportID( id, &a ) ) {
494 SGWayPoint wp( a.longitude, a.latitude, alt, SGWayPoint::WGS84, id );
495 globals->get_route()->add_waypoint( wp );
504 // Parse --flight-plan=[file]
506 parse_flightplan(const string& arg)
508 sg_gzifstream in(arg.c_str());
509 if ( !in.is_open() ) {
515 #if defined( macintosh )
516 getline( in, line, '\r' );
518 getline( in, line, '\n' );
521 // catch extraneous (DOS) line ending character
522 if ( line[line.length() - 1] < 32 ) {
523 line = line.substr( 0, line.length()-1 );
536 // Parse a single option
538 parse_option (const string& arg)
541 if ( (arg == "--help") || (arg == "-h") ) {
542 // help/usage request
543 return(FG_OPTIONS_HELP);
544 } else if ( arg == "--disable-game-mode") {
545 fgSetBool("/sim/startup/game-mode", false);
546 } else if ( arg == "--enable-game-mode" ) {
547 fgSetBool("/sim/startup/game-mode", true);
548 } else if ( arg == "--disable-splash-screen" ) {
549 fgSetBool("/sim/startup/splash-screen", false);
550 } else if ( arg == "--enable-splash-screen" ) {
551 fgSetBool("/sim/startup/splash-screen", true);
552 } else if ( arg == "--disable-intro-music" ) {
553 fgSetBool("/sim/startup/intro-music", false);
554 } else if ( arg == "--enable-intro-music" ) {
555 fgSetBool("/sim/startup/intro-music", true);
556 } else if ( arg == "--disable-mouse-pointer" ) {
557 fgSetString("/sim/startup/mouse-pointer", "disabled");
558 } else if ( arg == "--enable-mouse-pointer" ) {
559 fgSetString("/sim/startup/mouse-pointer", "enabled");
560 } else if ( arg == "--disable-freeze" ) {
561 fgSetBool("/sim/freeze/master", false);
562 } else if ( arg == "--enable-freeze" ) {
563 fgSetBool("/sim/freeze/master", true);
564 } else if ( arg == "--disable-fuel-freeze" ) {
565 fgSetBool("/sim/freeze/fuel", false);
566 } else if ( arg == "--enable-fuel-freeze" ) {
567 fgSetBool("/sim/freeze/fuel", true);
568 } else if ( arg == "--disable-clock-freeze" ) {
569 fgSetBool("/sim/freeze/clock", false);
570 } else if ( arg == "--enable-clock-freeze" ) {
571 fgSetBool("/sim/freeze/clock", true);
572 } else if ( arg == "--disable-anti-alias-hud" ) {
573 fgSetBool("/sim/hud/antialiased", false);
574 } else if ( arg == "--enable-anti-alias-hud" ) {
575 fgSetBool("/sim/hud/antialiased", true);
576 } else if ( arg.find( "--control=") == 0 ) {
577 fgSetString("/sim/control-mode", arg.substr(10).c_str());
578 } else if ( arg == "--disable-auto-coordination" ) {
579 fgSetBool("/sim/auto-coordination", false);
580 } else if ( arg == "--enable-auto-coordination" ) {
581 fgSetBool("/sim/auto-coordination", true);
582 } else if ( arg.find( "--browser-app=") == 0 ) {
583 fgSetString("/sim/startup/browser-app", arg.substr(14).c_str());
584 } else if ( arg == "--disable-hud" ) {
585 fgSetBool("/sim/hud/visibility", false);
586 } else if ( arg == "--enable-hud" ) {
587 fgSetBool("/sim/hud/visibility", true);
588 } else if ( arg == "--disable-panel" ) {
589 fgSetBool("/sim/panel/visibility", false);
590 } else if ( arg == "--enable-panel" ) {
591 fgSetBool("/sim/panel/visibility", true);
592 } else if ( arg == "--disable-sound" ) {
593 fgSetBool("/sim/sound/audible", false);
594 } else if ( arg == "--enable-sound" ) {
595 fgSetBool("/sim/sound/audible", true);
596 } else if ( arg.find( "--airport-id=") == 0 ) {
597 // NB: changed property name!!!
598 fgSetString("/sim/startup/airport-id", arg.substr(13).c_str());
599 } else if ( arg.find( "--offset-distance=") == 0 ) {
600 fgSetDouble("/sim/startup/offset-distance", atof(arg.substr(18)));
601 } else if ( arg.find( "--offset-azimuth=") == 0 ) {
602 fgSetDouble("/sim/startup/offset-azimuth", atof(arg.substr(17)));
603 } else if ( arg.find( "--lon=" ) == 0 ) {
604 fgSetDouble("/position/longitude-deg",
605 parse_degree(arg.substr(6)));
606 fgSetString("/sim/startup/airport-id", "");
607 } else if ( arg.find( "--lat=" ) == 0 ) {
608 fgSetDouble("/position/latitude-deg",
609 parse_degree(arg.substr(6)));
610 fgSetString("/sim/startup/airport-id", "");
611 } else if ( arg.find( "--altitude=" ) == 0 ) {
612 fgSetBool("/sim/startup/onground", false);
613 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
614 fgSetDouble("/position/altitude-ft", atof(arg.substr(11)));
616 fgSetDouble("/position/altitude-ft",
617 atof(arg.substr(11)) * SG_METER_TO_FEET);
618 } else if ( arg.find( "--uBody=" ) == 0 ) {
619 fgSetString("/sim/startup/speed-set", "UVW");
620 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
621 fgSetDouble("/velocities/uBody-fps", atof(arg.substr(8)));
623 fgSetDouble("/velocities/uBody-fps",
624 atof(arg.substr(8)) * SG_METER_TO_FEET);
625 } else if ( arg.find( "--vBody=" ) == 0 ) {
626 fgSetString("/sim/startup/speed-set", "UVW");
627 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
628 fgSetDouble("/velocities/vBody-fps", atof(arg.substr(8)));
630 fgSetDouble("/velocities/vBody-fps",
631 atof(arg.substr(8)) * SG_METER_TO_FEET);
632 } else if ( arg.find( "--wBody=" ) == 0 ) {
633 fgSetString("/sim/startup/speed-set", "UVW");
634 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
635 fgSetDouble("/velocities/wBody-fps", atof(arg.substr(8)));
637 fgSetDouble("/velocities/wBody-fps",
638 atof(arg.substr(8)) * SG_METER_TO_FEET);
639 } else if ( arg.find( "--vNorth=" ) == 0 ) {
640 fgSetString("/sim/startup/speed-set", "NED");
641 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
642 fgSetDouble("/velocities/speed-north-fps", atof(arg.substr(9)));
644 fgSetDouble("/velocities/speed-north-fps",
645 atof(arg.substr(9)) * SG_METER_TO_FEET);
646 } else if ( arg.find( "--vEast=" ) == 0 ) {
647 fgSetString("/sim/startup/speed-set", "NED");
648 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
649 fgSetDouble("/velocities/speed-east-fps", atof(arg.substr(8)));
651 fgSetDouble("/velocities/speed-east-fps",
652 atof(arg.substr(8)) * SG_METER_TO_FEET);
653 } else if ( arg.find( "--vDown=" ) == 0 ) {
654 fgSetString("/sim/startup/speed-set", "NED");
655 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
656 fgSetDouble("/velocities/speed-down-fps", atof(arg.substr(8)));
658 fgSetDouble("/velocities/speed-down-fps",
659 atof(arg.substr(8)) * SG_METER_TO_FEET);
660 } else if ( arg.find( "--vc=" ) == 0) {
661 fgSetString("/sim/startup/speed-set", "knots");
662 fgSetDouble("/velocities/airspeed-kt", atof(arg.substr(5)));
663 } else if ( arg.find( "--mach=" ) == 0) {
664 fgSetString("/sim/startup/speed-set", "mach");
665 fgSetDouble("/velocities/mach", atof(arg.substr(7)));
666 } else if ( arg.find( "--heading=" ) == 0 ) {
667 fgSetDouble("/orientation/heading-deg", atof(arg.substr(10)));
668 } else if ( arg.find( "--roll=" ) == 0 ) {
669 fgSetDouble("/orientation/roll-deg", atof(arg.substr(7)));
670 } else if ( arg.find( "--pitch=" ) == 0 ) {
671 fgSetDouble("/orientation/pitch-deg", atof(arg.substr(8)));
672 } else if ( arg.find( "--glideslope=" ) == 0 ) {
673 fgSetDouble("/velocities/glideslope", atof(arg.substr(13))
674 *SG_DEGREES_TO_RADIANS);
675 } else if ( arg.find( "--roc=" ) == 0 ) {
676 fgSetDouble("/velocities/vertical-speed-fps", atof(arg.substr(6))/60);
677 } else if ( arg.find( "--fg-root=" ) == 0 ) {
678 globals->set_fg_root(arg.substr( 10 ));
679 } else if ( arg.find( "--fg-scenery=" ) == 0 ) {
680 globals->set_fg_scenery(arg.substr( 13 ));
681 } else if ( arg.find( "--fdm=" ) == 0 ) {
682 fgSetString("/sim/flight-model", arg.substr(6).c_str());
683 } else if ( arg.find( "--aero=" ) == 0 ) {
684 fgSetString("/sim/aero", arg.substr(7).c_str());
685 } else if ( arg.find( "--aircraft-dir=" ) == 0 ) {
686 fgSetString("/sim/aircraft-dir", arg.substr(15).c_str());
687 } else if ( arg.find( "--model-hz=" ) == 0 ) {
688 fgSetInt("/sim/model-hz", atoi(arg.substr(11)));
689 } else if ( arg.find( "--speed=" ) == 0 ) {
690 fgSetInt("/sim/speed-up", atoi(arg.substr(8)));
691 } else if ( arg.find( "--trim") == 0) {
692 fgSetBool("/sim/startup/trim", true);
693 } else if ( arg.find( "--notrim") == 0) {
694 fgSetBool("/sim/startup/trim", false);
695 } else if ( arg.find( "--on-ground") == 0) {
696 fgSetBool("/sim/startup/onground", true);
697 } else if ( arg.find( "--in-air") == 0) {
698 fgSetBool("/sim/startup/onground", false);
699 } else if ( arg == "--fog-disable" ) {
700 fgSetString("/sim/rendering/fog", "disabled");
701 } else if ( arg == "--fog-fastest" ) {
702 fgSetString("/sim/rendering/fog", "fastest");
703 } else if ( arg == "--fog-nicest" ) {
704 fgSetString("/sim/fog", "nicest");
705 } else if ( arg == "--disable-clouds" ) {
706 fgSetBool("/environment/clouds/status", false);
707 } else if ( arg == "--enable-clouds" ) {
708 fgSetBool("/environment/clouds/status", true);
709 } else if ( arg.find( "--clouds-asl=" ) == 0 ) {
710 // FIXME: check units
711 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
712 fgSetDouble("/environment/clouds/altitude-ft",
713 atof(arg.substr(13)));
715 fgSetDouble("/environment/clouds/altitude-ft",
716 atof(arg.substr(13)) * SG_METER_TO_FEET);
717 } else if ( arg.find( "--fov=" ) == 0 ) {
718 parse_fov( arg.substr(6) );
719 } else if ( arg == "--disable-fullscreen" ) {
720 fgSetBool("/sim/startup/fullscreen", false);
721 } else if ( arg== "--enable-fullscreen") {
722 fgSetBool("/sim/startup/fullscreen", true);
723 } else if ( arg == "--shading-flat") {
724 fgSetBool("/sim/rendering/shading", false);
725 } else if ( arg == "--shading-smooth") {
726 fgSetBool("/sim/rendering/shading", true);
727 } else if ( arg == "--disable-skyblend") {
728 fgSetBool("/sim/rendering/skyblend", false);
729 } else if ( arg== "--enable-skyblend" ) {
730 fgSetBool("/sim/rendering/skyblend", true);
731 } else if ( arg == "--disable-textures" ) {
732 fgSetBool("/sim/rendering/textures", false);
733 } else if ( arg == "--enable-textures" ) {
734 fgSetBool("/sim/rendering/textures", true);
735 } else if ( arg == "--disable-wireframe" ) {
736 fgSetBool("/sim/rendering/wireframe", false);
737 } else if ( arg == "--enable-wireframe" ) {
738 fgSetBool("/sim/rendering/wireframe", true);
739 } else if ( arg.find( "--geometry=" ) == 0 ) {
740 bool geometry_ok = true;
741 int xsize = 0, ysize = 0;
742 string geometry = arg.substr( 11 );
743 string::size_type i = geometry.find('x');
745 if (i != string::npos) {
746 xsize = atoi(geometry.substr(0, i));
747 ysize = atoi(geometry.substr(i+1));
752 if ( xsize <= 0 || ysize <= 0 ) {
758 if ( !geometry_ok ) {
759 SG_LOG( SG_GENERAL, SG_ALERT, "Unknown geometry: " << geometry );
760 SG_LOG( SG_GENERAL, SG_ALERT,
761 "Setting geometry to " << xsize << 'x' << ysize << '\n');
763 SG_LOG( SG_GENERAL, SG_INFO,
764 "Setting geometry to " << xsize << 'x' << ysize << '\n');
765 fgSetInt("/sim/startup/xsize", xsize);
766 fgSetInt("/sim/startup/ysize", ysize);
768 } else if ( arg.find( "--bpp=" ) == 0 ) {
769 string bits_per_pix = arg.substr( 6 );
770 if ( bits_per_pix == "16" ) {
771 fgSetInt("/sim/rendering/bits-per-pixel", 16);
772 } else if ( bits_per_pix == "24" ) {
773 fgSetInt("/sim/rendering/bits-per-pixel", 24);
774 } else if ( bits_per_pix == "32" ) {
775 fgSetInt("/sim/rendering/bits-per-pixel", 32);
777 SG_LOG(SG_GENERAL, SG_ALERT, "Unsupported bpp " << bits_per_pix);
779 } else if ( arg == "--units-feet" ) {
780 fgSetString("/sim/startup/units", "feet");
781 } else if ( arg == "--units-meters" ) {
782 fgSetString("/sim/startup/units", "meters");
783 } else if ( arg.find( "--time-offset" ) == 0 ) {
784 fgSetInt("/sim/startup/time-offset",
785 parse_time_offset( (arg.substr(14)) ));
786 fgSetString("/sim/startup/time-offset-type", "system-offset");
787 } else if ( arg.find( "--time-match-real") == 0 ) {
788 fgSetString("/sim/startup/time-offset-type", "system-offset");
789 } else if ( arg.find( "--time-match-local") == 0 ) {
790 fgSetString("/sim/startup/time-offset-type", "latitude-offset");
791 } else if ( arg.find( "--start-date-sys=") == 0 ) {
792 fgSetInt("/sim/startup/time-offset", parse_date((arg.substr(17))));
793 fgSetString("/sim/startup/time-offset-type", "system");
794 } else if ( arg.find( "--start-date-lat=") == 0 ) {
795 fgSetInt("/sim/startup/time-offset", parse_date((arg.substr(17))));
796 fgSetString("/sim/startup/time-offset-type", "latitude");
797 } else if ( arg.find( "--start-date-gmt=") == 0 ) {
798 fgSetInt("/sim/startup/time-offset", parse_date((arg.substr(17))));
799 fgSetString("/sim/startup/time-offset-type", "gmt");
800 } else if ( arg == "--hud-tris" ) {
801 fgSetString("/sim/hud/frame-stat-type", "tris");
802 } else if ( arg == "--hud-culled" ) {
803 fgSetString("/sim/hud/frame-stat-type", "culled");
804 } else if ( arg.find( "--atc610x" ) == 0 ) {
805 add_channel( "atc610x", "dummy" );
806 } else if ( arg.find( "--atlas=" ) == 0 ) {
807 add_channel( "atlas", arg.substr(8) );
808 } else if ( arg.find( "--httpd=" ) == 0 ) {
809 add_channel( "httpd", arg.substr(8) );
810 #ifdef FG_JPEG_SERVER
811 } else if ( arg.find( "--jpg-httpd=" ) == 0 ) {
812 add_channel( "jpg-httpd", arg.substr(12) );
814 } else if ( arg.find( "--native=" ) == 0 ) {
815 add_channel( "native", arg.substr(9) );
816 } else if ( arg.find( "--native-ctrls=" ) == 0 ) {
817 add_channel( "native_ctrls", arg.substr(15) );
818 } else if ( arg.find( "--native-fdm=" ) == 0 ) {
819 add_channel( "native_fdm", arg.substr(13) );
820 } else if ( arg.find( "--opengc=" ) == 0 ) {
822 // cout << "Adding channel for OpenGC Display" << endl; cin >> stop;
823 add_channel( "opengc", arg.substr(9) );
824 } else if ( arg.find( "--garmin=" ) == 0 ) {
825 add_channel( "garmin", arg.substr(9) );
826 } else if ( arg.find( "--nmea=" ) == 0 ) {
827 add_channel( "nmea", arg.substr(7) );
828 } else if ( arg.find( "--props=" ) == 0 ) {
829 add_channel( "props", arg.substr(8) );
830 } else if ( arg.find( "--pve=" ) == 0 ) {
831 add_channel( "pve", arg.substr(6) );
832 } else if ( arg.find( "--ray=" ) == 0 ) {
833 add_channel( "ray", arg.substr(6) );
834 } else if ( arg.find( "--rul=" ) == 0 ) {
835 add_channel( "rul", arg.substr(6) );
836 } else if ( arg.find( "--joyclient=" ) == 0 ) {
837 add_channel( "joyclient", arg.substr(12) );
838 #ifdef FG_NETWORK_OLK
839 } else if ( arg == "--disable-network-olk" ) {
840 fgSetBool("/sim/networking/olk", false);
841 } else if ( arg== "--enable-network-olk") {
842 fgSetBool("/sim/networking/olk", true);
843 } else if ( arg == "--net-hud" ) {
844 fgSetBool("/sim/hud/net-display", true);
845 net_hud_display = 1; // FIXME
846 } else if ( arg.find( "--net-id=") == 0 ) {
847 fgSetString("sim/networking/call-sign", arg.substr(9).c_str());
849 } else if ( arg.find( "--prop:" ) == 0 ) {
850 string assign = arg.substr(7);
851 unsigned int pos = assign.find('=');
852 if ( pos == arg.npos || pos == 0 ) {
853 SG_LOG( SG_GENERAL, SG_ALERT, "Bad property assignment: " << arg );
854 return FG_OPTIONS_ERROR;
856 string name = assign.substr(0, pos);
857 string value = assign.substr(pos + 1);
858 fgSetString(name.c_str(), value.c_str());
859 // SG_LOG(SG_GENERAL, SG_INFO, "Setting default value of property "
860 // << name << " to \"" << value << '"');
861 } else if ( arg.find("--trace-read=") == 0) {
862 string name = arg.substr(13);
863 SG_LOG(SG_GENERAL, SG_INFO, "Tracing reads for property " << name);
864 fgGetNode(name.c_str(), true)
865 ->setAttribute(SGPropertyNode::TRACE_READ, true);
866 } else if ( arg.find("--trace-write=") == 0) {
867 string name = arg.substr(14);
868 SG_LOG(SG_GENERAL, SG_INFO, "Tracing writes for property " << name);
869 fgGetNode(name.c_str(), true)
870 ->setAttribute(SGPropertyNode::TRACE_WRITE, true);
871 } else if ( arg.find( "--view-offset=" ) == 0 ) {
872 // $$$ begin - added VS Renganathan, 14 Oct 2K
873 // for multi-window outside window imagery
874 string woffset = arg.substr( 14 );
875 double default_view_offset = 0.0;
876 if ( woffset == "LEFT" ) {
877 default_view_offset = SGD_PI * 0.25;
878 } else if ( woffset == "RIGHT" ) {
879 default_view_offset = SGD_PI * 1.75;
880 } else if ( woffset == "CENTER" ) {
881 default_view_offset = 0.00;
883 default_view_offset = atof( woffset.c_str() ) * SGD_DEGREES_TO_RADIANS;
885 FGViewer *pilot_view =
886 (FGViewer *)globals->get_viewmgr()->get_view( 0 );
887 pilot_view->setHeadingOffset_deg( default_view_offset * SGD_RADIANS_TO_DEGREES );
888 pilot_view->setGoalHeadingOffset_deg( default_view_offset * SGD_RADIANS_TO_DEGREES );
889 fgSetDouble( "/sim/current-view/heading-offset-deg",
890 default_view_offset * SGD_RADIANS_TO_DEGREES );
891 // $$$ end - added VS Renganathan, 14 Oct 2K
892 } else if ( arg.find( "--visibility=" ) == 0 ) {
893 fgSetDouble("/environment/visibility-m", atof(arg.substr(13)));
894 } else if ( arg.find( "--visibility-miles=" ) == 0 ) {
895 double visibility = atof(arg.substr(19)) * 5280.0 * SG_FEET_TO_METER;
896 fgSetDouble("/environment/visibility-m", visibility);
897 } else if ( arg.find( "--wind=" ) == 0 ) {
898 string val = arg.substr(7);
899 unsigned int pos = val.find('@');
900 if ( pos == string::npos ) {
901 SG_LOG( SG_GENERAL, SG_ALERT, "bad wind value " << val );
902 return FG_OPTIONS_ERROR;
904 double dir = atof(val.substr(0,pos).c_str());
905 double speed = atof(val.substr(pos+1).c_str());
906 SG_LOG(SG_GENERAL, SG_INFO, "WIND: " << dir << '@' <<
907 speed << " knots" << endl);
908 fgSetDouble("/environment/wind-from-heading-deg", dir);
909 fgSetDouble("/environment/wind-speed-kt", speed);
913 speed *= SG_NM_TO_METER * SG_METER_TO_FEET * (1.0/3600);
918 dir *= SGD_DEGREES_TO_RADIANS;
919 fgSetDouble("/environment/wind-from-north-fps",
921 fgSetDouble("/environment/wind-from-east-fps",
923 #endif // FG_WEATHERCM
924 } else if ( arg.find( "--wp=" ) == 0 ) {
925 parse_wp( arg.substr( 5 ) );
926 } else if ( arg.find( "--flight-plan=") == 0) {
927 parse_flightplan ( arg.substr (14) );
928 } else if ( arg.find( "--config=" ) == 0 ) {
929 string file = arg.substr(9);
931 readProperties(file, globals->get_props());
932 } catch (const sg_exception &e) {
933 string message = "Error loading config file: ";
934 message += e.getFormattedMessage();
935 SG_LOG(SG_INPUT, SG_ALERT, message);
938 } else if ( arg.find( "--aircraft=" ) == 0 ) {
939 // read in the top level aircraft definition file
940 SGPath apath( globals->get_fg_root() );
941 apath.append( "Aircraft" );
942 apath.append( arg.substr(11) );
943 apath.concat( "-set.xml" );
944 SG_LOG(SG_INPUT, SG_INFO, "Reading aircraft: " << arg.substr(11)
945 << " from " << apath.str());
946 readProperties( apath.str(), globals->get_props() );
948 SG_LOG( SG_GENERAL, SG_ALERT, "Unknown option '" << arg << "'" );
949 return FG_OPTIONS_ERROR;
952 return FG_OPTIONS_OK;
956 // Scan the command line options for an fg_root definition and set
959 fgScanForRoot (int argc, char **argv)
963 SG_LOG(SG_GENERAL, SG_INFO, "Scanning for root: command line");
966 SG_LOG( SG_GENERAL, SG_DEBUG, "argv[" << i << "] = " << argv[i] );
968 string arg = argv[i];
969 if ( arg.find( "--fg-root=" ) == 0 ) {
970 return arg.substr( 10 );
980 // Scan the config file for an fg_root definition and set just that.
982 fgScanForRoot (const string& path)
984 sg_gzifstream in( path );
988 SG_LOG( SG_GENERAL, SG_INFO, "Scanning for root: " << path );
992 while ( ! in.eof() ) {
995 while ( in.get(c) && c != '\0' ) {
1000 #if defined( macintosh )
1001 getline( in, line, '\r' );
1003 getline( in, line, '\n' );
1006 // catch extraneous (DOS) line ending character
1007 if ( line[line.length() - 1] < 32 ) {
1008 line = line.substr( 0, line.length()-1 );
1011 if ( line.find( "--fg-root=" ) == 0 ) {
1012 return line.substr( 10 );
1022 // Parse the command line options
1024 fgParseArgs (int argc, char **argv)
1026 bool in_options = true;
1028 SG_LOG(SG_GENERAL, SG_INFO, "Processing command line arguments");
1030 for (int i = 1; i < argc; i++) {
1031 string arg = argv[i];
1033 if (in_options && (arg.find('-') == 0)) {
1037 int result = parse_option(arg);
1038 if ( (result == FG_OPTIONS_HELP) ||
1039 (result == FG_OPTIONS_ERROR) ) {
1046 SG_LOG(SG_GENERAL, SG_INFO,
1047 "Reading command-line property file " << arg);
1048 readProperties(arg, globals->get_props());
1052 SG_LOG(SG_GENERAL, SG_INFO, "Finished command line arguments");
1056 // Parse config file options
1058 fgParseOptions (const string& path) {
1059 sg_gzifstream in( path );
1060 if ( !in.is_open() ) {
1064 SG_LOG( SG_GENERAL, SG_INFO, "Processing config file: " << path );
1068 while ( ! in.eof() ) {
1071 while ( in.get(c) && c != '\0' ) {
1076 #if defined( macintosh )
1077 getline( in, line, '\r' );
1079 getline( in, line, '\n' );
1082 // catch extraneous (DOS) line ending character
1083 if ( line[line.length() - 1] < 32 ) {
1084 line = line.substr( 0, line.length()-1 );
1087 if ( parse_option( line ) == FG_OPTIONS_ERROR ) {
1088 SG_LOG( SG_GENERAL, SG_ALERT,
1089 "Config file parse error: " << path << " '"
1099 // Print usage message
1103 cout << "Usage: fgfs [ option ... ]" << endl
1106 << "General Options:" << endl
1107 << " --help, -h Print usage" << endl
1108 << " --fg-root=path Specify the root data path" << endl
1109 << " --fg-scenery=path Specify the base scenery path;" << endl
1110 << " Defaults to $FG_ROOT/Scenery" << endl
1111 << " --disable-game-mode Disable full-screen game mode" << endl
1112 << " --enable-game-mode Enable full-screen game mode" << endl
1113 << " --disable-splash-screen Disable splash screen" << endl
1114 << " --enable-splash-screen Enable splash screen" << endl
1115 << " --disable-intro-music Disable introduction music" << endl
1116 << " --enable-intro-music Enable introduction music" << endl
1117 << " --disable-mouse-pointer Disable extra mouse pointer" << endl
1118 << " --enable-mouse-pointer Enable extra mouse pointer (i.e. for full-" << endl
1119 << " screen Voodoo based cards)" << endl
1120 << " --disable-freeze Start in a running state" << endl
1121 << " --enable-freeze Start in a frozen state" << endl
1122 << " --disable-fuel-freeze Fuel is consumed normally" << endl
1123 << " --enable-fuel-freeze Fuel tank quantity forced to remain constant" << endl
1124 << " --disable-clock-freeze Clock advances normally" << endl
1125 << " --enable-clock-freeze Do not advance clock" << endl
1126 << " --control=mode Primary control mode (joystick, keyboard," << endl
1127 << " mouse)" << endl
1128 << " --enable-auto-coordination Enable auto coordination" << endl
1129 << " --disable-auto-coordination Disable auto coordination" << endl
1130 << " --browser-app=path Specify path to your web browser" << endl
1131 << " --prop:name=value Set property <name> to <value>" << endl
1132 << " --config=path Load additional properties from path" << endl
1133 << " --units-feet Use feet for distances" << endl
1134 << " --units-meters Use meters for distances" << endl
1137 << "Features:" << endl
1138 << " --disable-hud Disable Heads Up Display (HUD)" << endl
1139 << " --enable-hud Enable Heads Up Display (HUD)" << endl
1140 << " --disable-panel Disable instrument panel" << endl
1141 << " --enable-panel Enable instrument panel" << endl
1142 << " --disable-sound Disable sound effects" << endl
1143 << " --enable-sound Enable sound effects" << endl
1144 << " --disable-anti-alias-hud Disable anti-aliased HUD" << endl
1145 << " --enable-anti-alias-hud Enable anti-aliased HUD" << endl
1148 << "Aircraft:" <<endl
1149 << " --aircraft=name Select an aircraft profile as defined by a" << endl
1150 << " top level <name>-set.xml" << endl
1153 << "Flight Model:" << endl
1154 << " --fdm=name Select the core flight dynamics model" << endl
1155 << " Can be one of jsb, larcsim, yasim, magic," << endl
1156 << " balloon, ada, external, or null" << endl
1157 << " --aero=name Select aircraft aerodynamics model to load" << endl
1158 << " --model-hz=n Run the FDM this rate (iterations per" << endl
1159 << " second)" << endl
1160 << " --speed=n Run the FDM 'n' times faster than real time" << endl
1161 << " --notrim Do NOT attempt to trim the model (only with" << endl
1162 << " fdm=jsbsim)" << endl
1163 << " --on-ground Start at ground level (default)" << endl
1164 << " --in-air Start in air (implied when using --altitude)" << endl
1165 << " --wind=DIR@SPEED Specify wind coming from DIR (degrees) at" << endl
1166 << " SPEED (knots)" << endl
1169 << "Aircraft model directory (UIUC FDM ONLY):" << endl
1170 << " --aircraft-dir=path Aircraft directory relative to the path of" << endl
1171 << " the executable" << endl
1174 << "Initial Position and Orientation:" << endl
1175 << " --airport-id=ID Specify starting position by airport ID" << endl
1176 << " --offset-distance=nm Specify distance to threshold" << endl
1177 << " --offset-azimuth=degrees Specify heading to threshold" << endl
1178 << " --lon=degrees Starting longitude (west = -)" << endl
1179 << " --lat=degrees Starting latitude (south = -)" << endl
1180 << " --altitude=value Starting altitude (in feet unless" << endl
1181 << " --units-meters specified)" << endl
1182 << " --heading=degrees Specify heading (yaw) angle (Psi)" << endl
1183 << " --roll=degrees Specify roll angle (Phi)" << endl
1184 << " --pitch=degrees Specify pitch angle (Theta)" << endl
1185 << " --uBody=units_per_sec Specify velocity along the body X axis" << endl
1186 << " (in feet unless --units-meters specified)" << endl
1187 << " --vBody=units_per_sec Specify velocity along the body Y axis" << endl
1188 << " (in feet unless --units-meters specified)" << endl
1189 << " --wBody=units_per_sec Specify velocity along the body Z axis" << endl
1190 << " (in feet unless --units-meters specified)" << endl
1191 << " --vc=knots Specify initial airspeed" << endl
1192 << " --mach=num Specify initial mach number" << endl
1193 << " --glideslope=degreees Specify flight path angle (can be positive)" << endl
1194 << " --roc=fpm Specify initial climb rate (can be negative)" << endl
1197 << "Rendering Options:" << endl
1198 << " --bpp=depth Specify the bits per pixel" << endl
1199 << " --fog-disable Disable fog/haze" << endl
1200 << " --fog-fastest Enable fastest fog/haze" << endl
1201 << " --fog-nicest Enable nicest fog/haze" << endl
1202 << " --enable-clouds Enable cloud layers" << endl
1203 << " --disable-clouds Disable cloud layers" << endl
1204 << " --clouds-asl=altitude Specify altitude of cloud layer above sea" << endl
1206 << " --fov=degrees Specify field of view angle" << endl
1207 << " --disable-fullscreen Disable fullscreen mode" << endl
1208 << " --enable-fullscreen Enable fullscreen mode" << endl
1209 << " --shading-flat Enable flat shading" << endl
1210 << " --shading-smooth Enable smooth shading" << endl
1211 << " --disable-skyblend Disable sky blending" << endl
1212 << " --enable-skyblend Enable sky blending" << endl
1213 << " --disable-textures Disable textures" << endl
1214 << " --enable-textures Enable textures" << endl
1215 << " --disable-wireframe Disable wireframe drawing mode" << endl
1216 << " --enable-wireframe Enable wireframe drawing mode" << endl
1217 << " --geometry=WxH Specify window geometry (640x480, etc)" << endl
1218 << " --view-offset=value Specify the default forward view direction" << endl
1219 << " as an offset from straight ahead. Allowable" << endl
1220 << " values are LEFT, RIGHT, CENTER, or a specific" << endl
1221 << " number in degrees" << endl
1222 << " --visibility=meters Specify initial visibility" << endl
1223 << " --visibility-miles=miles Specify initial visibility in miles" << endl
1226 << "Hud Options:" << endl
1227 << " --hud-tris Hud displays number of triangles rendered" << endl
1228 << " --hud-culled Hud displays percentage of triangles culled" << endl
1231 << "Time Options:" << endl
1232 << " --time-offset=[+-]hh:mm:ss Add this time offset" << endl
1233 << " --time-match-real Synchronize time with real-world time" << endl
1234 << " --time-match-local Synchronize time with local real-world time" << endl
1235 << " --start-date-sys=yyyy:mm:dd:hh:mm:ss" << endl
1236 << " Specify a starting date/time with respect to" << endl
1237 << " system time" << endl
1238 << " --start-date-gmt=yyyy:mm:dd:hh:mm:ss" << endl
1239 << " Specify a starting date/time with respect to" << endl
1240 << " Greenwich Mean Time" << endl
1241 << " --start-date-lat=yyyy:mm:dd:hh:mm:ss" << endl
1242 << " Specify a starting date/time with respect to" << endl
1243 << " Local Aircraft Time" << endl
1246 << "Network Options:" << endl
1247 << " --httpd=port Enable http server on the specified port" << endl
1248 #ifdef FG_JPEG_SERVER
1249 << " --jpg-httpd=port Enable screen shot http server on the" << endl
1250 << " specified port" << endl
1252 #ifdef FG_NETWORK_OLK
1253 << " --disable-network-olk Disable Multipilot mode (default)" << endl
1254 << " --enable-network-olk Enable Multipilot mode" << endl
1255 << " --net-hud Hud displays network info" << endl
1256 << " --net-id=name Specify your own callsign" << endl
1260 << "Route/Way Point Options:" << endl
1261 << " --wp=ID[@alt] Specify a waypoint for the GC autopilot;" << endl
1262 << " multiple instances can be used to create a" << endl
1264 << " --flight-plan=file Read all waypoints from a file" << endl
1267 << "IO Options:" << endl
1268 << " --gamin=params Open connection using the Garmin GPS protocol" << endl
1269 << " --joyclient=params Open connection to an Agwagon joystick" << endl
1270 << " --native-ctrls=params Open connection using the FG Native Controls" << endl
1271 << " protocol" << endl
1272 << " --native-fdm=params Open connection using the FG Native FDM" << endl
1273 << " protocol" << endl
1274 << " --native=params Open connection using the FG Native protocol" << endl
1275 << " --nmea=params Open connection using the NMEA protocol" << endl
1276 << " --opengc=params Open connection using the OpenGC protocol" << endl
1277 << " --props=params Open connection using the interactive" << endl
1278 << " property manager" << endl
1279 << " --pve=params Open connection using the PVE protocol" << endl
1280 << " --ray=params Open connection using the RayWoodworth" << endl
1281 << " motion chair protocol" << endl
1282 << " --rul=params Open connection using the RUL protocol" << endl
1284 << " --atc610x Enable atc610x interface." << endl
1287 << "Debugging Options:" << endl
1288 << " --trace-read=property Trace the reads for a property; multiple" << endl
1289 << " instances allowed." << endl
1290 << " --trace-write=property Trace the writes for a property; multiple" << endl
1291 << " instances allowed." << endl