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>
30 #include <simgear/debug/logstream.hxx>
32 #include <math.h> // rint()
34 #include <stdlib.h> // atof(), atoi()
35 #include <string.h> // strcmp()
42 #include <simgear/math/sg_random.h>
43 #include <simgear/misc/sgstream.hxx>
44 #include <simgear/misc/sg_path.hxx>
45 #include <simgear/route/route.hxx>
46 #include <simgear/route/waypoint.hxx>
48 // #include <Include/general.hxx>
49 // #include <Airports/simple.hxx>
50 // #include <Cockpit/cockpit.hxx>
51 // #include <FDM/flight.hxx>
52 // #include <FDM/UIUCModel/uiuc_aircraftdir.h>
54 # include <NetworkOLK/network.h>
59 #include "globals.hxx"
60 #include "fg_init.hxx"
61 #include "fg_props.hxx"
62 #include "options.hxx"
64 #include "viewmgr.hxx"
69 SG_USING_NAMESPACE(std);
72 #define NEW_DEFAULT_MODEL_HZ 120
79 FG_OPTIONS_VERBOSE_HELP = 3,
80 FG_OPTIONS_SHOW_AIRCRAFT = 4
84 atof( const string& str )
88 // -dw- if ::atof is called, then we get an infinite loop
89 return std::atof( str.c_str() );
91 return ::atof( str.c_str() );
96 atoi( const string& str )
99 // -dw- if ::atoi is called, then we get an infinite loop
100 return std::atoi( str.c_str() );
102 return ::atoi( str.c_str() );
108 * Set a few fail-safe default property values.
110 * These should all be set in $FG_ROOT/preferences.xml, but just
111 * in case, we provide some initial sane values here. This method
112 * should be invoked *before* reading any init files.
117 // set a possibly independent location for scenery data
118 char *envp = ::getenv( "FG_SCENERY" );
120 if ( envp != NULL ) {
121 // fg_root could be anywhere, so default to environmental
122 // variable $FG_ROOT if it is set.
123 globals->set_fg_scenery(envp);
125 // Otherwise, default to Scenery being in $FG_ROOT/Scenery
126 globals->set_fg_scenery("");
128 // Position (deliberately out of range)
129 fgSetDouble("/position/longitude-deg", 9999.0);
130 fgSetDouble("/position/latitude-deg", 9999.0);
131 fgSetDouble("/position/altitude-ft", -9999.0);
134 fgSetDouble("/orientation/heading-deg", 270);
135 fgSetDouble("/orientation/roll-deg", 0);
136 fgSetDouble("/orientation/pitch-deg", 0.424);
139 fgSetDouble("/velocities/uBody-fps", 0.0);
140 fgSetDouble("/velocities/vBody-fps", 0.0);
141 fgSetDouble("/velocities/wBody-fps", 0.0);
142 fgSetDouble("/velocities/speed-north-fps", 0.0);
143 fgSetDouble("/velocities/speed-east-fps", 0.0);
144 fgSetDouble("/velocities/speed-down-fps", 0.0);
145 fgSetDouble("/velocities/airspeed-kt", 0.0);
146 fgSetDouble("/velocities/mach", 0.0);
149 fgSetDouble("/sim/presets/longitude-deg", 9999.0);
150 fgSetDouble("/sim/presets/latitude-deg", 9999.0);
151 fgSetDouble("/sim/presets/altitude-ft", -9999.0);
153 fgSetDouble("/sim/presets/heading-deg", 270);
154 fgSetDouble("/sim/presets/roll-deg", 0);
155 fgSetDouble("/sim/presets/pitch-deg", 0.424);
157 fgSetString("/sim/presets/speed-set", "knots");
158 fgSetDouble("/sim/presets/airspeed-kt", 0.0);
159 fgSetDouble("/sim/presets/mach", 0.0);
160 fgSetDouble("/sim/presets/uBody-fps", 0.0);
161 fgSetDouble("/sim/presets/vBody-fps", 0.0);
162 fgSetDouble("/sim/presets/wBody-fps", 0.0);
163 fgSetDouble("/sim/presets/speed-north-fps", 0.0);
164 fgSetDouble("/sim/presets/speed-east-fps", 0.0);
165 fgSetDouble("/sim/presets/speed-down-fps", 0.0);
167 fgSetBool("/sim/presets/onground", true);
168 fgSetBool("/sim/presets/trim", false);
171 fgSetBool("/sim/startup/game-mode", false);
172 fgSetBool("/sim/startup/splash-screen", true);
173 fgSetBool("/sim/startup/intro-music", true);
174 // we want mouse-pointer to have an undefined value if nothing is
175 // specified so we can do the right thing for voodoo-1/2 cards.
176 // fgSetString("/sim/startup/mouse-pointer", "disabled");
177 fgSetString("/sim/control-mode", "joystick");
178 fgSetBool("/sim/auto-coordination", false);
180 fgSetString("/sim/startup/browser-app", "netscape");
182 fgSetString("/sim/startup/browser-app", "webrun.bat");
184 fgSetInt("/sim/log-level", SG_WARN);
187 fgSetBool("/sim/hud/antialiased", false);
188 fgSetBool("/sim/hud/enable3d", true);
189 fgSetBool("/sim/hud/visibility", false);
190 fgSetBool("/sim/panel/visibility", true);
191 fgSetBool("/sim/sound/audible", true);
193 // Flight Model options
194 fgSetString("/sim/flight-model", "jsb");
195 fgSetString("/sim/aero", "c172");
196 fgSetInt("/sim/model-hz", NEW_DEFAULT_MODEL_HZ);
197 fgSetInt("/sim/speed-up", 1);
200 fgSetString("/sim/rendering/fog", "nicest");
201 fgSetBool("/environment/clouds/status", true);
202 fgSetBool("/sim/startup/fullscreen", false);
203 fgSetBool("/sim/rendering/shading", true);
204 fgSetBool("/sim/rendering/skyblend", true);
205 fgSetBool("/sim/rendering/textures", true);
206 fgSetBool("/sim/rendering/wireframe", false);
207 fgSetBool("/sim/rendering/horizon-effect", false);
208 fgSetBool("/sim/rendering/enhanced-lighting", false);
209 fgSetBool("/sim/rendering/distance-attenuation", false);
210 fgSetBool("/sim/rendering/specular-highlight", true);
211 fgSetInt("/sim/startup/xsize", 800);
212 fgSetInt("/sim/startup/ysize", 600);
213 fgSetInt("/sim/rendering/bits-per-pixel", 16);
214 fgSetString("/sim/view-mode", "pilot");
215 fgSetDouble("/sim/current-view/heading-offset-deg", 0);
218 fgSetString("/sim/startup/units", "feet");
219 fgSetString("/sim/hud/frame-stat-type", "tris");
222 fgSetInt("/sim/startup/time-offset", 0);
223 fgSetString("/sim/startup/time-offset-type", "system-offset");
224 fgSetLong("/sim/time/cur-time-override", 0);
226 fgSetBool("/sim/networking/network-olk", false);
227 fgSetString("/sim/networking/call-sign", "Johnny");
230 fgSetBool("/sim/freeze/master", false);
231 fgSetBool("/sim/freeze/position", false);
232 fgSetBool("/sim/freeze/clock", false);
233 fgSetBool("/sim/freeze/fuel", false);
236 fgSetString("/sim/multiplay/callsign", "callsign");
237 fgSetString("/sim/multiplay/rxhost", "0");
238 fgSetString("/sim/multiplay/txhost", "0");
239 fgSetInt("/sim/multiplay/rxport", 0);
240 fgSetInt("/sim/multiplay/txport", 0);
246 parse_wind (const string &wind, double * min_hdg, double * max_hdg,
247 double * speed, double * gust)
249 string::size_type pos = wind.find('@');
250 if (pos == string::npos)
252 string dir = wind.substr(0, pos);
253 string spd = wind.substr(pos+1);
255 if (pos == string::npos) {
256 *min_hdg = *max_hdg = atof(dir.c_str());
258 *min_hdg = atof(dir.substr(0,pos).c_str());
259 *max_hdg = atof(dir.substr(pos+1).c_str());
262 if (pos == string::npos) {
263 *speed = *gust = atof(spd.c_str());
265 *speed = atof(spd.substr(0,pos).c_str());
266 *gust = atof(spd.substr(pos+1).c_str());
271 // parse a time string ([+/-]%f[:%f[:%f]]) into hours
273 parse_time(const string& time_in) {
274 char *time_str, num[256];
275 double hours, minutes, seconds;
280 time_str = (char *)time_in.c_str();
282 // printf("parse_time(): %s\n", time_str);
285 if ( strlen(time_str) ) {
286 if ( time_str[0] == '+' ) {
289 } else if ( time_str[0] == '-' ) {
294 // printf("sign = %d\n", sign);
297 if ( strlen(time_str) ) {
299 while ( (time_str[0] != ':') && (time_str[0] != '\0') ) {
300 num[i] = time_str[0];
304 if ( time_str[0] == ':' ) {
309 // printf("hours = %.2lf\n", hours);
315 if ( strlen(time_str) ) {
317 while ( (time_str[0] != ':') && (time_str[0] != '\0') ) {
318 num[i] = time_str[0];
322 if ( time_str[0] == ':' ) {
327 // printf("minutes = %.2lf\n", minutes);
329 result += minutes / 60.0;
333 if ( strlen(time_str) ) {
335 while ( (time_str[0] != ':') && (time_str[0] != '\0') ) {
336 num[i] = time_str[0];
342 // printf("seconds = %.2lf\n", seconds);
344 result += seconds / 3600.0;
347 SG_LOG( SG_GENERAL, SG_INFO, " parse_time() = " << sign * result );
349 return(sign * result);
353 // parse a date string (yyyy:mm:dd:hh:mm:ss) into a time_t (seconds)
355 parse_date( const string& date)
358 char * date_str, num[256];
360 // initialize to zero
367 gmt.tm_isdst = 0; // ignore daylight savings time for the moment
368 date_str = (char *)date.c_str();
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_year = atoi(num) - 1900;
384 if ( strlen(date_str) ) {
386 while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
387 num[i] = date_str[0];
391 if ( date_str[0] == ':' ) {
395 gmt.tm_mon = atoi(num) -1;
398 if ( strlen(date_str) ) {
400 while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
401 num[i] = date_str[0];
405 if ( date_str[0] == ':' ) {
409 gmt.tm_mday = atoi(num);
412 if ( strlen(date_str) ) {
414 while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
415 num[i] = date_str[0];
419 if ( date_str[0] == ':' ) {
423 gmt.tm_hour = atoi(num);
426 if ( strlen(date_str) ) {
428 while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
429 num[i] = date_str[0];
433 if ( date_str[0] == ':' ) {
437 gmt.tm_min = atoi(num);
440 if ( strlen(date_str) ) {
442 while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
443 num[i] = date_str[0];
447 if ( date_str[0] == ':' ) {
451 gmt.tm_sec = atoi(num);
453 time_t theTime = sgTimeGetGMT( gmt.tm_year, gmt.tm_mon, gmt.tm_mday,
454 gmt.tm_hour, gmt.tm_min, gmt.tm_sec );
455 //printf ("Date is %s\n", ctime(&theTime));
456 //printf ("in seconds that is %d\n", theTime);
462 // parse angle in the form of [+/-]ddd:mm:ss into degrees
464 parse_degree( const string& degree_str) {
465 double result = parse_time( degree_str );
467 // printf("Degree = %.4f\n", result);
473 // parse time offset string into seconds
475 parse_time_offset( const string& time_str) {
478 // printf("time offset = %s\n", time_str);
481 result = (int)rint(parse_time(time_str) * 3600.0);
483 result = (int)(parse_time(time_str) * 3600.0);
486 // printf("parse_time_offset(): %d\n", result);
492 // Parse --fov=x.xx type option
494 parse_fov( const string& arg ) {
495 double fov = atof(arg);
497 if ( fov < FG_FOV_MIN ) { fov = FG_FOV_MIN; }
498 if ( fov > FG_FOV_MAX ) { fov = FG_FOV_MAX; }
500 fgSetDouble("/sim/current-view/field-of-view", fov);
502 // printf("parse_fov(): result = %.4f\n", fov);
508 // Parse I/O channel option
510 // Format is "--protocol=medium,direction,hz,medium_options,..."
512 // protocol = { native, nmea, garmin, fgfs, rul, pve, etc. }
513 // medium = { serial, socket, file, etc. }
514 // direction = { in, out, bi }
515 // hz = number of times to process channel per second (floating
516 // point values are ok.
518 // Serial example "--nmea=serial,dir,hz,device,baud" where
520 // device = OS device name of serial line to be open()'ed
521 // baud = {300, 1200, 2400, ..., 230400}
523 // Socket exacmple "--native=socket,dir,hz,machine,port,style" where
525 // machine = machine name or ip address if client (leave empty if server)
526 // port = port, leave empty to let system choose
527 // style = tcp or udp
529 // File example "--garmin=file,dir,hz,filename" where
531 // filename = file system file name
534 add_channel( const string& type, const string& channel_str ) {
535 SG_LOG(SG_GENERAL, SG_INFO, "Channel string = " << channel_str );
537 globals->get_channel_options_list()->push_back( type + "," + channel_str );
539 // cout << "here" << endl;
546 setup_wind (double min_hdg, double max_hdg, double speed, double gust)
548 // Initialize to a reasonable state
549 fgDefaultWeatherValue("wind-from-heading-deg", min_hdg);
550 fgDefaultWeatherValue("wind-speed-kt", speed);
552 SG_LOG(SG_GENERAL, SG_INFO, "WIND: " << min_hdg << '@' <<
553 speed << " knots" << endl);
555 // Now, add some variety to the layers
560 fgSetDouble("/environment/config/boundary/entry[1]/wind-from-heading-deg",
562 fgSetDouble("/environment/config/boundary/entry[1]/wind-speed-kt",
569 fgSetDouble("/environment/config/aloft/entry[0]/wind-from-heading-deg",
571 fgSetDouble("/environment/config/aloft/entry[0]/wind-speed-kt",
578 fgSetDouble("/environment/config/aloft/entry[1]/wind-from-heading-deg",
580 fgSetDouble("/environment/config/aloft/entry[1]/wind-speed-kt",
587 fgSetDouble("/environment/config/aloft/entry[2]/wind-from-heading-deg",
589 fgSetDouble("/environment/config/aloft/entry[2]/wind-speed-kt",
594 speed *= SG_NM_TO_METER * SG_METER_TO_FEET * (1.0/3600);
595 while (min_hdg > 360)
599 min_hdg *= SGD_DEGREES_TO_RADIANS;
600 fgSetDouble("/environment/wind-from-north-fps", speed * cos(dir));
601 fgSetDouble("/environment/wind-from-east-fps", speed * sin(dir));
602 #endif // FG_WEATHERCM
606 // Parse --wp=ID[@alt]
608 parse_wp( const string& arg ) {
612 string::size_type pos = arg.find( "@" );
613 if ( pos != string::npos ) {
614 id = arg.substr( 0, pos );
615 alt_str = arg.substr( pos + 1 );
616 // cout << "id str = " << id << " alt str = " << alt_str << endl;
617 alt = atof( alt_str.c_str() );
618 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") ) {
619 alt *= SG_FEET_TO_METER;
626 if ( fgFindAirportID( id, &a ) ) {
627 SGWayPoint wp( a.longitude, a.latitude, alt, SGWayPoint::WGS84, id );
628 globals->get_route()->add_waypoint( wp );
637 // Parse --flight-plan=[file]
639 parse_flightplan(const string& arg)
641 sg_gzifstream in(arg.c_str());
642 if ( !in.is_open() ) {
648 #if defined( macintosh )
649 getline( in, line, '\r' );
651 getline( in, line, '\n' );
654 // catch extraneous (DOS) line ending character
655 if ( line[line.length() - 1] < 32 ) {
656 line = line.substr( 0, line.length()-1 );
669 fgOptLanguage( const char *arg )
671 globals->set_locale( fgInitLocale( arg ) );
672 return FG_OPTIONS_OK;
678 fgSetString("/sim/presets/airport-id", "");
679 fgSetString("/sim/presets/vor-id", "");
680 fgSetString("/sim/presets/ndb-id", "");
681 fgSetString("/sim/presets/fix", "");
685 fgOptVOR( const char * arg )
688 fgSetString("/sim/presets/vor-id", arg);
689 return FG_OPTIONS_OK;
693 fgOptNDB( const char * arg )
696 fgSetString("/sim/presets/ndb-id", arg);
697 return FG_OPTIONS_OK;
701 fgOptFIX( const char * arg )
704 fgSetString("/sim/presets/fix", arg);
705 return FG_OPTIONS_OK;
709 fgOptLon( const char *arg )
712 fgSetDouble("/sim/presets/longitude-deg", parse_degree( arg ));
713 fgSetDouble("/position/longitude-deg", parse_degree( arg ));
714 return FG_OPTIONS_OK;
718 fgOptLat( const char *arg )
721 fgSetDouble("/sim/presets/latitude-deg", parse_degree( arg ));
722 fgSetDouble("/position/latitude-deg", parse_degree( arg ));
723 return FG_OPTIONS_OK;
727 fgOptAltitude( const char *arg )
729 fgSetBool("/sim/presets/onground", false);
730 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
731 fgSetDouble("/sim/presets/altitude-ft", atof( arg ));
733 fgSetDouble("/sim/presets/altitude-ft",
734 atof( arg ) * SG_METER_TO_FEET);
735 return FG_OPTIONS_OK;
739 fgOptUBody( const char *arg )
741 fgSetString("/sim/presets/speed-set", "UVW");
742 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
743 fgSetDouble("/sim/presets/uBody-fps", atof( arg ));
745 fgSetDouble("/sim/presets/uBody-fps",
746 atof( arg ) * SG_METER_TO_FEET);
747 return FG_OPTIONS_OK;
751 fgOptVBody( const char *arg )
753 fgSetString("/sim/presets/speed-set", "UVW");
754 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
755 fgSetDouble("/sim/presets/vBody-fps", atof( arg ));
757 fgSetDouble("/sim/presets/vBody-fps",
758 atof( arg ) * SG_METER_TO_FEET);
759 return FG_OPTIONS_OK;
763 fgOptWBody( const char *arg )
765 fgSetString("/sim/presets/speed-set", "UVW");
766 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
767 fgSetDouble("/sim/presets/wBody-fps", atof(arg));
769 fgSetDouble("/sim/presets/wBody-fps",
770 atof(arg) * SG_METER_TO_FEET);
771 return FG_OPTIONS_OK;
775 fgOptVNorth( const char *arg )
777 fgSetString("/sim/presets/speed-set", "NED");
778 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
779 fgSetDouble("/sim/presets/speed-north-fps", atof( arg ));
781 fgSetDouble("/sim/presets/speed-north-fps",
782 atof( arg ) * SG_METER_TO_FEET);
783 return FG_OPTIONS_OK;
787 fgOptVEast( const char *arg )
789 fgSetString("/sim/presets/speed-set", "NED");
790 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
791 fgSetDouble("/sim/presets/speed-east-fps", atof(arg));
793 fgSetDouble("/sim/presets/speed-east-fps",
794 atof(arg) * SG_METER_TO_FEET);
795 return FG_OPTIONS_OK;
799 fgOptVDown( const char *arg )
801 fgSetString("/sim/presets/speed-set", "NED");
802 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
803 fgSetDouble("/sim/presets/speed-down-fps", atof(arg));
805 fgSetDouble("/sim/presets/speed-down-fps",
806 atof(arg) * SG_METER_TO_FEET);
807 return FG_OPTIONS_OK;
811 fgOptVc( const char *arg )
813 // fgSetString("/sim/presets/speed-set", "knots");
814 // fgSetDouble("/velocities/airspeed-kt", atof(arg.substr(5)));
815 fgSetString("/sim/presets/speed-set", "knots");
816 fgSetDouble("/sim/presets/airspeed-kt", atof(arg));
817 return FG_OPTIONS_OK;
821 fgOptMach( const char *arg )
823 fgSetString("/sim/presets/speed-set", "mach");
824 fgSetDouble("/sim/presets/mach", atof(arg));
825 return FG_OPTIONS_OK;
829 fgOptRoc( const char *arg )
831 fgSetDouble("/velocities/vertical-speed-fps", atof(arg)/60);
832 return FG_OPTIONS_OK;
836 fgOptFgRoot( const char *arg )
838 globals->set_fg_root(arg);
839 return FG_OPTIONS_OK;
843 fgOptFgScenery( const char *arg )
845 globals->set_fg_scenery(arg);
846 return FG_OPTIONS_OK;
850 fgOptFov( const char *arg )
853 return FG_OPTIONS_OK;
857 fgOptGeometry( const char *arg )
859 bool geometry_ok = true;
860 int xsize = 0, ysize = 0;
861 string geometry = arg;
862 string::size_type i = geometry.find('x');
864 if (i != string::npos) {
865 xsize = atoi(geometry.substr(0, i));
866 ysize = atoi(geometry.substr(i+1));
871 if ( xsize <= 0 || ysize <= 0 ) {
877 if ( !geometry_ok ) {
878 SG_LOG( SG_GENERAL, SG_ALERT, "Unknown geometry: " << geometry );
879 SG_LOG( SG_GENERAL, SG_ALERT,
880 "Setting geometry to " << xsize << 'x' << ysize << '\n');
882 SG_LOG( SG_GENERAL, SG_INFO,
883 "Setting geometry to " << xsize << 'x' << ysize << '\n');
884 fgSetInt("/sim/startup/xsize", xsize);
885 fgSetInt("/sim/startup/ysize", ysize);
887 return FG_OPTIONS_OK;
891 fgOptBpp( const char *arg )
893 string bits_per_pix = arg;
894 if ( bits_per_pix == "16" ) {
895 fgSetInt("/sim/rendering/bits-per-pixel", 16);
896 } else if ( bits_per_pix == "24" ) {
897 fgSetInt("/sim/rendering/bits-per-pixel", 24);
898 } else if ( bits_per_pix == "32" ) {
899 fgSetInt("/sim/rendering/bits-per-pixel", 32);
901 SG_LOG(SG_GENERAL, SG_ALERT, "Unsupported bpp " << bits_per_pix);
903 return FG_OPTIONS_OK;
907 fgOptTimeOffset( const char *arg )
909 fgSetInt("/sim/startup/time-offset",
910 parse_time_offset( arg ));
911 fgSetString("/sim/startup/time-offset-type", "system-offset");
912 return FG_OPTIONS_OK;
916 fgOptStartDateSys( const char *arg )
918 fgSetInt("/sim/startup/time-offset", parse_date( arg ) );
919 fgSetString("/sim/startup/time-offset-type", "system");
920 return FG_OPTIONS_OK;
924 fgOptStartDateLat( const char *arg )
926 fgSetInt("/sim/startup/time-offset", parse_date( arg ) );
927 fgSetString("/sim/startup/time-offset-type", "latitude");
928 return FG_OPTIONS_OK;
932 fgOptStartDateGmt( const char *arg )
934 fgSetInt("/sim/startup/time-offset", parse_date( arg ) );
935 fgSetString("/sim/startup/time-offset-type", "gmt");
936 return FG_OPTIONS_OK;
939 #ifdef FG_NETWORK_OLK
941 fgOptNetHud( const char *arg )
943 fgSetBool("/sim/hud/net-display", true);
944 net_hud_display = 1; // FIXME
945 return FG_OPTIONS_OK;
950 fgOptTraceRead( const char *arg )
953 SG_LOG(SG_GENERAL, SG_INFO, "Tracing reads for property " << name);
954 fgGetNode(name.c_str(), true)
955 ->setAttribute(SGPropertyNode::TRACE_READ, true);
956 return FG_OPTIONS_OK;
960 fgOptTraceWrite( const char *arg )
963 SG_LOG(SG_GENERAL, SG_INFO, "Tracing writes for property " << name);
964 fgGetNode(name.c_str(), true)
965 ->setAttribute(SGPropertyNode::TRACE_WRITE, true);
966 return FG_OPTIONS_OK;
970 fgOptViewOffset( const char *arg )
972 // $$$ begin - added VS Renganathan, 14 Oct 2K
973 // for multi-window outside window imagery
974 string woffset = arg;
975 double default_view_offset = 0.0;
976 if ( woffset == "LEFT" ) {
977 default_view_offset = SGD_PI * 0.25;
978 } else if ( woffset == "RIGHT" ) {
979 default_view_offset = SGD_PI * 1.75;
980 } else if ( woffset == "CENTER" ) {
981 default_view_offset = 0.00;
983 default_view_offset = atof( woffset.c_str() ) * SGD_DEGREES_TO_RADIANS;
985 /* apparently not used (CLO, 11 Jun 2002)
986 FGViewer *pilot_view =
987 (FGViewer *)globals->get_viewmgr()->get_view( 0 ); */
988 // this will work without calls to the viewer...
989 fgSetDouble( "/sim/current-view/heading-offset-deg",
990 default_view_offset * SGD_RADIANS_TO_DEGREES );
991 // $$$ end - added VS Renganathan, 14 Oct 2K
992 return FG_OPTIONS_OK;
996 fgOptVisibilityMeters( const char *arg )
998 double visibility = atof( arg );
999 fgDefaultWeatherValue("visibility-m", visibility);
1000 return FG_OPTIONS_OK;
1004 fgOptVisibilityMiles( const char *arg )
1006 double visibility = atof( arg ) * 5280.0 * SG_FEET_TO_METER;
1007 fgDefaultWeatherValue("visibility-m", visibility);
1008 return FG_OPTIONS_OK;
1012 fgOptRandomWind( const char *arg )
1014 double min_hdg = sg_random() * 360.0;
1015 double max_hdg = min_hdg + (20 - sqrt(sg_random() * 400));
1016 double speed = 40 - sqrt(sg_random() * 1600.0);
1017 double gust = speed + (10 - sqrt(sg_random() * 100));
1018 setup_wind(min_hdg, max_hdg, speed, gust);
1019 return FG_OPTIONS_OK;
1023 fgOptWind( const char *arg )
1025 double min_hdg, max_hdg, speed, gust;
1026 if (!parse_wind( arg, &min_hdg, &max_hdg, &speed, &gust)) {
1027 SG_LOG( SG_GENERAL, SG_ALERT, "bad wind value " << arg );
1028 return FG_OPTIONS_ERROR;
1030 setup_wind(min_hdg, max_hdg, speed, gust);
1031 return FG_OPTIONS_OK;
1035 fgOptTurbulence( const char *arg )
1037 fgDefaultWeatherValue("turbulence/magnitude-norm", atof(arg));
1038 return FG_OPTIONS_OK;
1042 fgOptCeiling( const char *arg )
1044 double elevation, thickness;
1046 string::size_type pos = spec.find(':');
1047 if (pos == string::npos) {
1048 elevation = atof(spec.c_str());
1051 elevation = atof(spec.substr(0, pos).c_str());
1052 thickness = atof(spec.substr(pos + 1).c_str());
1054 fgSetDouble("/environment/clouds/layer[0]/elevation-ft", elevation);
1055 fgSetDouble("/environment/clouds/layer[0]/thickness-ft", thickness);
1056 fgSetString("/environment/clouds/layer[0]/coverage", "overcast");
1057 return FG_OPTIONS_OK;
1061 fgOptWp( const char *arg )
1064 return FG_OPTIONS_OK;
1068 fgOptFlightPlan( const char *arg )
1070 parse_flightplan ( arg );
1071 return FG_OPTIONS_OK;
1075 fgOptConfig( const char *arg )
1079 readProperties(file, globals->get_props());
1080 } catch (const sg_exception &e) {
1081 string message = "Error loading config file: ";
1082 message += e.getFormattedMessage();
1083 SG_LOG(SG_INPUT, SG_ALERT, message);
1086 return FG_OPTIONS_OK;
1090 parse_colon (const string &s, double * val1, double * val2)
1092 string::size_type pos = s.find(':');
1093 if (pos == string::npos) {
1097 *val1 = atof(s.substr(0, pos).c_str());
1098 *val2 = atof(s.substr(pos+1).c_str());
1105 fgOptFailure( const char * arg )
1109 fgSetBool("/systems/pitot/serviceable", false);
1110 } else if (a == "static") {
1111 fgSetBool("/systems/static/serviceable", false);
1112 } else if (a == "vacuum") {
1113 fgSetBool("/systems/vacuum/serviceable", false);
1114 } else if (a == "electrical") {
1115 fgSetBool("/systems/electrical/serviceable", false);
1117 SG_LOG(SG_INPUT, SG_ALERT, "Unknown failure mode: " << a);
1118 return FG_OPTIONS_ERROR;
1121 return FG_OPTIONS_OK;
1126 fgOptNAV1( const char * arg )
1128 double radial, freq;
1129 if (parse_colon(arg, &radial, &freq))
1130 fgSetDouble("/radios/nav[0]/radials/selected-deg", radial);
1131 fgSetDouble("/radios/nav[0]/frequencies/selected-mhz", freq);
1132 return FG_OPTIONS_OK;
1136 fgOptNAV2( const char * arg )
1138 double radial, freq;
1139 if (parse_colon(arg, &radial, &freq))
1140 fgSetDouble("/radios/nav[1]/radials/selected-deg", radial);
1141 fgSetDouble("/radios/nav[1]/frequencies/selected-mhz", freq);
1142 return FG_OPTIONS_OK;
1146 fgOptADF( const char * arg )
1149 if (parse_colon(arg, &rot, &freq))
1150 fgSetDouble("/radios/kr-87/inputs/rotation-deg", rot);
1151 fgSetDouble("/radios/kr-87/outputs/selected-khz", freq);
1152 return FG_OPTIONS_OK;
1156 fgOptDME( const char *arg )
1159 if (opt == "nav1") {
1160 fgSetInt("/instrumentation/dme/switch-position", 1);
1161 fgSetString("/instrumentation/dme/frequencies/source",
1162 "/radios/nav[0]/frequencies/selected-mhz");
1163 } else if (opt == "nav2") {
1164 fgSetInt("/instrumentation/dme/switch-position", 3);
1165 fgSetString("/instrumentation/dme/frequencies/source",
1166 "/radios/nav[1]/frequencies/selected-mhz");
1168 fgSetInt("/instrumentation/dme/switch-position", 2);
1169 fgSetString("/instrumentation/dme/frequencies/source",
1170 "/instrumentation/dme/frequencies/selected-mhz");
1171 fgSetString("/instrumentation/dme/frequencies/selected-mhz", arg);
1173 return FG_OPTIONS_OK;
1176 static map<string,size_t> fgOptionMap;
1179 option has_param type property b_param s_param func
1182 option : name of the option
1183 has_param : option is --name=value if true or --name if false
1184 type : OPTION_BOOL - property is a boolean
1185 OPTION_STRING - property is a string
1186 OPTION_DOUBLE - property is a double
1187 OPTION_INT - property is an integer
1188 OPTION_CHANNEL - name of option is the name of a channel
1189 OPTION_FUNC - the option trigger a function
1190 b_param : if type==OPTION_BOOL,
1191 value set to the property (has_param is false for boolean)
1192 s_param : if type==OPTION_STRING,
1193 value set to the property if has_param is false
1194 func : function called if type==OPTION_FUNC. if has_param is true,
1195 the value is passed to the function as a string, otherwise,
1198 For OPTION_DOUBLE and OPTION_INT, the parameter value is converted into a
1199 double or an integer and set to the property.
1201 For OPTION_CHANNEL, add_channel is called with the parameter value as the
1205 enum OptionType { OPTION_BOOL, OPTION_STRING, OPTION_DOUBLE, OPTION_INT, OPTION_CHANNEL, OPTION_FUNC };
1209 enum OptionType type;
1213 int (*func)( const char * );
1214 } fgOptionArray[] = {
1216 {"language", true, OPTION_FUNC, "", false, "", fgOptLanguage },
1217 {"disable-game-mode", false, OPTION_BOOL, "/sim/startup/game-mode", false, "", 0 },
1218 {"enable-game-mode", false, OPTION_BOOL, "/sim/startup/game-mode", true, "", 0 },
1219 {"disable-splash-screen", false, OPTION_BOOL, "/sim/startup/splash-screen", false, "", 0 },
1220 {"enable-splash-screen", false, OPTION_BOOL, "/sim/startup/splash-screen", true, "", 0 },
1221 {"disable-intro-music", false, OPTION_BOOL, "/sim/startup/intro-music", false, "", 0 },
1222 {"enable-intro-music", false, OPTION_BOOL, "/sim/startup/intro-music", true, "", 0 },
1223 {"disable-mouse-pointer", false, OPTION_STRING, "/sim/startup/mouse-pointer", false, "disabled", 0 },
1224 {"enable-mouse-pointer", false, OPTION_STRING, "/sim/startup/mouse-pointer", false, "enabled", 0 },
1225 {"disable-random-objects", false, OPTION_BOOL, "/sim/rendering/random-objects", false, "", 0 },
1226 {"enable-random-objects", false, OPTION_BOOL, "/sim/rendering/random-objects", true, "", 0 },
1227 {"disable-freeze", false, OPTION_BOOL, "/sim/freeze/master", false, "", 0 },
1228 {"enable-freeze", false, OPTION_BOOL, "/sim/freeze/master", true, "", 0 },
1229 {"disable-fuel-freeze", false, OPTION_BOOL, "/sim/freeze/fuel", false, "", 0 },
1230 {"enable-fuel-freeze", false, OPTION_BOOL, "/sim/freeze/fuel", true, "", 0 },
1231 {"disable-clock-freeze", false, OPTION_BOOL, "/sim/freeze/clock", false, "", 0 },
1232 {"enable-clock-freeze", false, OPTION_BOOL, "/sim/freeze/clock", true, "", 0 },
1233 {"disable-hud-3d", false, OPTION_BOOL, "/sim/hud/enable3d", false, "", 0 },
1234 {"enable-hud-3d", false, OPTION_BOOL, "/sim/hud/enable3d", true, "", 0 },
1235 {"disable-anti-alias-hud", false, OPTION_BOOL, "/sim/hud/antialiased", false, "", 0 },
1236 {"enable-anti-alias-hud", false, OPTION_BOOL, "/sim/hud/antialiased", true, "", 0 },
1237 {"control", true, OPTION_STRING, "/sim/control-mode", false, "", 0 },
1238 {"disable-auto-coordination", false, OPTION_BOOL, "/sim/auto-coordination", false, "", 0 },
1239 {"enable-auto-coordination", false, OPTION_BOOL, "/sim/auto-coordination", true, "", 0 },
1240 {"browser-app", true, OPTION_STRING, "/sim/startup/browser-app", false, "", 0 },
1241 {"disable-hud", false, OPTION_BOOL, "/sim/hud/visibility", false, "", 0 },
1242 {"enable-hud", false, OPTION_BOOL, "/sim/hud/visibility", true, "", 0 },
1243 {"disable-panel", false, OPTION_BOOL, "/sim/panel/visibility", false, "", 0 },
1244 {"enable-panel", false, OPTION_BOOL, "/sim/panel/visibility", true, "", 0 },
1245 {"disable-sound", false, OPTION_BOOL, "/sim/sound/audible", false, "", 0 },
1246 {"enable-sound", false, OPTION_BOOL, "/sim/sound/audible", true, "", 0 },
1247 {"airport", true, OPTION_STRING, "/sim/presets/airport-id", false, "", 0 },
1248 {"airport-id", true, OPTION_STRING, "/sim/presets/airport-id", false, "", 0 },
1249 {"runway", true, OPTION_STRING, "/sim/presets/runway", false, "", 0 },
1250 {"vor", true, OPTION_FUNC, "", false, "", fgOptVOR },
1251 {"ndb", true, OPTION_FUNC, "", false, "", fgOptNDB },
1252 {"fix", true, OPTION_FUNC, "", false, "", fgOptFIX },
1253 {"offset-distance", true, OPTION_DOUBLE, "/sim/presets/offset-distance", false, "", 0 },
1254 {"offset-azimuth", true, OPTION_DOUBLE, "/sim/presets/offset-azimuth", false, "", 0 },
1255 {"lon", true, OPTION_FUNC, "", false, "", fgOptLon },
1256 {"lat", true, OPTION_FUNC, "", false, "", fgOptLat },
1257 {"altitude", true, OPTION_FUNC, "", false, "", fgOptAltitude },
1258 {"uBody", true, OPTION_FUNC, "", false, "", fgOptUBody },
1259 {"vBody", true, OPTION_FUNC, "", false, "", fgOptVBody },
1260 {"wBody", true, OPTION_FUNC, "", false, "", fgOptWBody },
1261 {"vNorth", true, OPTION_FUNC, "", false, "", fgOptVNorth },
1262 {"vEast", true, OPTION_FUNC, "", false, "", fgOptVEast },
1263 {"vDown", true, OPTION_FUNC, "", false, "", fgOptVDown },
1264 {"vc", true, OPTION_FUNC, "", false, "", fgOptVc },
1265 {"mach", true, OPTION_FUNC, "", false, "", fgOptMach },
1266 {"heading", true, OPTION_DOUBLE, "/sim/presets/heading-deg", false, "", 0 },
1267 {"roll", true, OPTION_DOUBLE, "/sim/presets/roll-deg", false, "", 0 },
1268 {"pitch", true, OPTION_DOUBLE, "/sim/presets/pitch-deg", false, "", 0 },
1269 {"glideslope", true, OPTION_DOUBLE, "/sim/presets/glideslope-deg", false, "", 0 },
1270 {"roc", true, OPTION_FUNC, "", false, "", fgOptRoc },
1271 {"fg-root", true, OPTION_FUNC, "", false, "", fgOptFgRoot },
1272 {"fg-scenery", true, OPTION_FUNC, "", false, "", fgOptFgScenery },
1273 {"fdm", true, OPTION_STRING, "/sim/flight-model", false, "", 0 },
1274 {"aero", true, OPTION_STRING, "/sim/aero", false, "", 0 },
1275 {"aircraft-dir", true, OPTION_STRING, "/sim/aircraft-dir", false, "", 0 },
1276 {"model-hz", true, OPTION_INT, "/sim/model-hz", false, "", 0 },
1277 {"speed", true, OPTION_INT, "/sim/speed-up", false, "", 0 },
1278 {"trim", false, OPTION_BOOL, "/sim/presets/trim", true, "", 0 },
1279 {"notrim", false, OPTION_BOOL, "/sim/presets/trim", false, "", 0 },
1280 {"on-ground", false, OPTION_BOOL, "/sim/presets/onground", true, "", 0 },
1281 {"in-air", false, OPTION_BOOL, "/sim/presets/onground", false, "", 0 },
1282 {"fog-disable", false, OPTION_STRING, "/sim/rendering/fog", false, "disabled", 0 },
1283 {"fog-fastest", false, OPTION_STRING, "/sim/rendering/fog", false, "fastest", 0 },
1284 {"fog-nicest", false, OPTION_STRING, "/sim/rendering/fog", false, "nicest", 0 },
1285 {"disable-horizon-effect", false, OPTION_BOOL, "/sim/rendering/horizon-effect", false, "", 0 },
1286 {"enable-horizon-effect", false, OPTION_BOOL, "/sim/rendering/horizon-effect", true, "", 0 },
1287 {"disable-enhanced-lighting", false, OPTION_BOOL, "/sim/rendering/enhanced-lighting", false, "", 0 },
1288 {"enable-enhanced-lighting", false, OPTION_BOOL, "/sim/rendering/enhanced-lighting", true, "", 0 },
1289 {"disable-distance-attenuation", false, OPTION_BOOL, "/sim/rendering/distance-attenuation", false, "", 0 },
1290 {"enable-distance-attenuation", false, OPTION_BOOL, "/sim/rendering/distance-attenuation", true, "", 0 },
1291 {"disable-specular-highlight", false, OPTION_BOOL, "/sim/rendering/specular-highlight", false, "", 0 },
1292 {"enable-specular-highlight", false, OPTION_BOOL, "/sim/rendering/specular-highlight", true, "", 0 },
1293 {"disable-clouds", false, OPTION_BOOL, "/environment/clouds/status", false, "", 0 },
1294 {"enable-clouds", false, OPTION_BOOL, "/environment/clouds/status", true, "", 0 },
1295 #ifdef FG_USE_CLOUDS_3D
1296 {"disable-clouds3d", false, OPTION_BOOL, "/sim/rendering/clouds3d", false, "", 0 },
1297 {"enable-clouds3d", false, OPTION_BOOL, "/sim/rendering/clouds3d", true, "", 0 },
1299 {"fov", true, OPTION_FUNC, "", false, "", fgOptFov },
1300 {"disable-fullscreen", false, OPTION_BOOL, "/sim/startup/fullscreen", false, "", 0 },
1301 {"enable-fullscreen", false, OPTION_BOOL, "/sim/startup/fullscreen", true, "", 0 },
1302 {"shading-flat", false, OPTION_BOOL, "/sim/rendering/shading", false, "", 0 },
1303 {"shading-smooth", false, OPTION_BOOL, "/sim/rendering/shading", true, "", 0 },
1304 {"disable-skyblend", false, OPTION_BOOL, "/sim/rendering/skyblend", false, "", 0 },
1305 {"enable-skyblend", false, OPTION_BOOL, "/sim/rendering/skyblend", true, "", 0 },
1306 {"disable-textures", false, OPTION_BOOL, "/sim/rendering/textures", false, "", 0 },
1307 {"enable-textures", false, OPTION_BOOL, "/sim/rendering/textures", true, "", 0 },
1308 {"disable-wireframe", false, OPTION_BOOL, "/sim/rendering/wireframe", false, "", 0 },
1309 {"enable-wireframe", false, OPTION_BOOL, "/sim/rendering/wireframe", true, "", 0 },
1310 {"geometry", true, OPTION_FUNC, "", false, "", fgOptGeometry },
1311 {"bpp", true, OPTION_FUNC, "", false, "", fgOptBpp },
1312 {"units-feet", false, OPTION_STRING, "/sim/startup/units", false, "feet", 0 },
1313 {"units-meters", false, OPTION_STRING, "/sim/startup/units", false, "meters", 0 },
1314 {"time-offset", true, OPTION_FUNC, "", false, "", fgOptTimeOffset },
1315 {"time-match-real", false, OPTION_STRING, "/sim/startup/time-offset-type", false, "system-offset", 0 },
1316 {"time-match-local", false, OPTION_STRING, "/sim/startup/time-offset-type", false, "latitude-offset", 0 },
1317 {"start-date-sys", true, OPTION_FUNC, "", false, "", fgOptStartDateSys },
1318 {"start-date-lat", true, OPTION_FUNC, "", false, "", fgOptStartDateLat },
1319 {"start-date-gmt", true, OPTION_FUNC, "", false, "", fgOptStartDateGmt },
1320 {"hud-tris", false, OPTION_STRING, "/sim/hud/frame-stat-type", false, "tris", 0 },
1321 {"hud-culled", false, OPTION_STRING, "/sim/hud/frame-stat-type", false, "culled", 0 },
1322 {"atc610x", true, OPTION_CHANNEL, "", false, "dummy", 0 },
1323 {"atlas", true, OPTION_CHANNEL, "", false, "", 0 },
1324 {"httpd", true, OPTION_CHANNEL, "", false, "", 0 },
1325 #ifdef FG_JPEG_SERVER
1326 {"jpg-httpd", true, OPTION_CHANNEL, "", false, "", 0 },
1328 {"native", true, OPTION_CHANNEL, "", false, "", 0 },
1329 {"native-ctrls", true, OPTION_CHANNEL, "", false, "", 0 },
1330 {"native-fdm", true, OPTION_CHANNEL, "", false, "", 0 },
1331 {"native-gui", true, OPTION_CHANNEL, "", false, "", 0 },
1332 {"opengc", true, OPTION_CHANNEL, "", false, "", 0 },
1333 {"garmin", true, OPTION_CHANNEL, "", false, "", 0 },
1334 {"nmea", true, OPTION_CHANNEL, "", false, "", 0 },
1335 {"generic", true, OPTION_CHANNEL, "", false, "", 0 },
1336 {"props", true, OPTION_CHANNEL, "", false, "", 0 },
1337 {"telnet", true, OPTION_CHANNEL, "", false, "", 0 },
1338 {"pve", true, OPTION_CHANNEL, "", false, "", 0 },
1339 {"ray", true, OPTION_CHANNEL, "", false, "", 0 },
1340 {"rul", true, OPTION_CHANNEL, "", false, "", 0 },
1341 {"joyclient", true, OPTION_CHANNEL, "", false, "", 0 },
1342 #ifdef FG_NETWORK_OLK
1343 {"disable-network-olk", false, OPTION_BOOL, "/sim/networking/olk", false, "", 0 },
1344 {"enable-network-olk", false, OPTION_BOOL, "/sim/networking/olk", true, "", 0 },
1345 {"net-hud", false, OPTION_FUNC, "", false, "", fgOptNetHud },
1346 {"net-id", true, OPTION_STRING, "sim/networking/call-sign", false, "", 0 },
1348 #ifdef FG_MPLAYER_AS
1349 {"callsign", true, OPTION_STRING, "sim/multiplay/callsign", false, "", 0 },
1350 {"multiplay", true, OPTION_CHANNEL, "", false, "", 0 },
1352 {"trace-read", true, OPTION_FUNC, "", false, "", fgOptTraceRead },
1353 {"trace-write", true, OPTION_FUNC, "", false, "", fgOptTraceWrite },
1354 {"log-level", true, OPTION_INT, "/sim/log-level", false, "", 0 },
1355 {"view-offset", true, OPTION_FUNC, "", false, "", fgOptViewOffset },
1356 {"visibility", true, OPTION_FUNC, "", false, "", fgOptVisibilityMeters },
1357 {"visibility-miles", true, OPTION_FUNC, "", false, "", fgOptVisibilityMiles },
1358 {"random-wind", false, OPTION_FUNC, "", false, "", fgOptRandomWind },
1359 {"wind", true, OPTION_FUNC, "", false, "", fgOptWind },
1360 {"turbulence", true, OPTION_FUNC, "", false, "", fgOptTurbulence },
1361 {"ceiling", true, OPTION_FUNC, "", false, "", fgOptCeiling },
1362 {"wp", true, OPTION_FUNC, "", false, "", fgOptWp },
1363 {"flight-plan", true, OPTION_FUNC, "", false, "", fgOptFlightPlan },
1364 {"config", true, OPTION_FUNC, "", false, "", fgOptConfig },
1365 {"aircraft", true, OPTION_STRING, "/sim/aircraft", false, "", 0 },
1366 {"failure", true, OPTION_FUNC, "", false, "", fgOptFailure },
1367 {"com1", true, OPTION_DOUBLE, "/radios/comm[0]/frequencies/selected-mhz", false, "", 0 },
1368 {"com2", true, OPTION_DOUBLE, "/radios/comm[1]/frequencies/selected-mhz", false, "", 0 },
1369 {"nav1", true, OPTION_FUNC, "", false, "", fgOptNAV1 },
1370 {"nav2", true, OPTION_FUNC, "", false, "", fgOptNAV2 },
1371 {"adf", true, OPTION_FUNC, "", false, "", fgOptADF },
1372 {"dme", true, OPTION_FUNC, "", false, "", fgOptDME },
1377 // Parse a single option
1379 parse_option (const string& arg)
1381 if ( fgOptionMap.size() == 0 ) {
1383 OptionDesc *pt = &fgOptionArray[ 0 ];
1384 while ( pt->option != 0 ) {
1385 fgOptionMap[ pt->option ] = i;
1392 if ( (arg == "--help") || (arg == "-h") ) {
1393 // help/usage request
1394 return(FG_OPTIONS_HELP);
1395 } else if ( (arg == "--verbose") || (arg == "-v") ) {
1396 // verbose help/usage request
1397 return(FG_OPTIONS_VERBOSE_HELP);
1398 } else if ( arg.find( "--show-aircraft") == 0) {
1399 return(FG_OPTIONS_SHOW_AIRCRAFT);
1400 } else if ( arg.find( "--prop:" ) == 0 ) {
1401 string assign = arg.substr(7);
1402 string::size_type pos = assign.find('=');
1403 if ( pos == arg.npos || pos == 0 ) {
1404 SG_LOG( SG_GENERAL, SG_ALERT, "Bad property assignment: " << arg );
1405 return FG_OPTIONS_ERROR;
1407 string name = assign.substr(0, pos);
1408 string value = assign.substr(pos + 1);
1409 fgSetString(name.c_str(), value.c_str());
1410 // SG_LOG(SG_GENERAL, SG_INFO, "Setting default value of property "
1411 // << name << " to \"" << value << '"');
1412 } else if ( arg.find( "--" ) == 0 ) {
1413 size_t pos = arg.find( '=' );
1415 if ( pos == string::npos ) {
1416 arg_name = arg.substr( 2 );
1418 arg_name = arg.substr( 2, pos - 2 );
1420 map<string,size_t>::iterator it = fgOptionMap.find( arg_name );
1421 if ( it != fgOptionMap.end() ) {
1422 OptionDesc *pt = &fgOptionArray[ it->second ];
1423 switch ( pt->type ) {
1425 fgSetBool( pt->property, pt->b_param );
1428 if ( pt->has_param && pos != string::npos ) {
1429 fgSetString( pt->property, arg.substr( pos + 1 ).c_str() );
1430 } else if ( !pt->has_param && pos == string::npos ) {
1431 fgSetString( pt->property, pt->s_param );
1432 } else if ( pt->has_param ) {
1433 SG_LOG( SG_GENERAL, SG_ALERT, "Option '" << arg << "' needs a parameter" );
1434 return FG_OPTIONS_ERROR;
1436 SG_LOG( SG_GENERAL, SG_ALERT, "Option '" << arg << "' does not have a parameter" );
1437 return FG_OPTIONS_ERROR;
1441 if ( pos != string::npos ) {
1442 fgSetDouble( pt->property, atof( arg.substr( pos + 1 ) ) );
1444 SG_LOG( SG_GENERAL, SG_ALERT, "Option '" << arg << "' needs a parameter" );
1445 return FG_OPTIONS_ERROR;
1449 if ( pos != string::npos ) {
1450 fgSetInt( pt->property, atoi( arg.substr( pos + 1 ) ) );
1452 SG_LOG( SG_GENERAL, SG_ALERT, "Option '" << arg << "' needs a parameter" );
1453 return FG_OPTIONS_ERROR;
1456 case OPTION_CHANNEL:
1457 if ( pt->has_param && pos != string::npos ) {
1458 add_channel( pt->option, arg.substr( pos + 1 ) );
1459 } else if ( !pt->has_param && pos == string::npos ) {
1460 add_channel( pt->option, pt->s_param );
1461 } else if ( pt->has_param ) {
1462 SG_LOG( SG_GENERAL, SG_ALERT, "Option '" << arg << "' needs a parameter" );
1463 return FG_OPTIONS_ERROR;
1465 SG_LOG( SG_GENERAL, SG_ALERT, "Option '" << arg << "' does not have a parameter" );
1466 return FG_OPTIONS_ERROR;
1470 if ( pt->has_param && pos != string::npos ) {
1471 return pt->func( arg.substr( pos + 1 ).c_str() );
1472 } else if ( !pt->has_param && pos == string::npos ) {
1473 return pt->func( 0 );
1474 } else if ( pt->has_param ) {
1475 SG_LOG( SG_GENERAL, SG_ALERT, "Option '" << arg << "' needs a parameter" );
1476 return FG_OPTIONS_ERROR;
1478 SG_LOG( SG_GENERAL, SG_ALERT, "Option '" << arg << "' does not have a parameter" );
1479 return FG_OPTIONS_ERROR;
1484 SG_LOG( SG_GENERAL, SG_ALERT, "Unknown option '" << arg << "'" );
1485 return FG_OPTIONS_ERROR;
1488 SG_LOG( SG_GENERAL, SG_ALERT, "Unknown option '" << arg << "'" );
1489 return FG_OPTIONS_ERROR;
1492 return FG_OPTIONS_OK;
1496 // Parse the command line options
1498 fgParseArgs (int argc, char **argv)
1500 bool in_options = true;
1501 bool verbose = false;
1504 SG_LOG(SG_GENERAL, SG_INFO, "Processing command line arguments");
1506 for (int i = 1; i < argc; i++) {
1507 string arg = argv[i];
1509 if (in_options && (arg.find('-') == 0)) {
1513 int result = parse_option(arg);
1514 if ((result == FG_OPTIONS_HELP) || (result == FG_OPTIONS_ERROR))
1517 else if (result == FG_OPTIONS_VERBOSE_HELP)
1520 else if (result == FG_OPTIONS_SHOW_AIRCRAFT) {
1521 SGPath path( globals->get_fg_root() );
1522 path.append("Aircraft");
1523 fgShowAircraft(path);
1529 SG_LOG(SG_GENERAL, SG_INFO,
1530 "Reading command-line property file " << arg);
1531 readProperties(arg, globals->get_props());
1540 SG_LOG(SG_GENERAL, SG_INFO, "Finished command line arguments");
1544 // Parse config file options
1546 fgParseOptions (const string& path) {
1547 sg_gzifstream in( path );
1548 if ( !in.is_open() ) {
1552 SG_LOG( SG_GENERAL, SG_INFO, "Processing config file: " << path );
1556 while ( ! in.eof() ) {
1559 while ( in.get(c) && c != '\0' ) {
1564 #if defined( macintosh )
1565 getline( in, line, '\r' );
1567 getline( in, line, '\n' );
1570 // catch extraneous (DOS) line ending character
1571 if ( line[line.length() - 1] < 32 ) {
1572 line = line.substr( 0, line.length()-1 );
1575 if ( parse_option( line ) == FG_OPTIONS_ERROR ) {
1576 cerr << endl << "Config file parse error: " << path << " '"
1577 << line << "'" << endl;
1586 // Print usage message
1588 fgUsage (bool verbose)
1590 SGPropertyNode *locale = globals->get_locale();
1592 SGPropertyNode options_root;
1597 fgLoadProps("options.xml", &options_root);
1598 } catch (const sg_exception &ex) {
1599 cout << "Unable to read the help file." << endl;
1600 cout << "Make sure the file options.xml is located in the FlightGear base directory," << endl;
1601 cout << "and the location of the base directory is specified by setting $FG_ROOT or" << endl;
1602 cout << "by adding --fg-root=path as a program argument." << endl;
1607 SGPropertyNode *options = options_root.getNode("options");
1609 SG_LOG( SG_GENERAL, SG_ALERT,
1610 "Error reading options.xml: <options> directive not found." );
1614 SGPropertyNode *usage = locale->getNode(options->getStringValue("usage"));
1616 cout << "Usage: " << usage->getStringValue() << endl;
1619 vector<SGPropertyNode_ptr>section = options->getChildren("section");
1620 for (unsigned int j = 0; j < section.size(); j++) {
1623 vector<SGPropertyNode_ptr>option = section[j]->getChildren("option");
1624 for (unsigned int k = 0; k < option.size(); k++) {
1626 SGPropertyNode *name = option[k]->getNode("name");
1627 SGPropertyNode *short_name = option[k]->getNode("short");
1628 SGPropertyNode *key = option[k]->getNode("key");
1629 SGPropertyNode *arg = option[k]->getNode("arg");
1630 bool brief = option[k]->getNode("brief");
1632 if ((brief || verbose) && name) {
1633 string tmp = name->getStringValue();
1637 tmp.append(key->getStringValue());
1641 tmp.append(arg->getStringValue());
1645 tmp.append(short_name->getStringValue());
1649 if (tmp.size() <= 25) {
1650 snprintf(cstr, 96, " --%-27s", tmp.c_str());
1652 snprintf(cstr, 96, "\n --%s\n%32c", tmp.c_str(), ' ');
1655 // There may be more than one <description> tag assosiated
1659 vector<SGPropertyNode_ptr>desc =
1660 option[k]->getChildren("description");
1662 if (desc.size() > 0) {
1663 for ( unsigned int l = 0; l < desc.size(); l++) {
1665 // There may be more than one translation line.
1667 string t = desc[l]->getStringValue();
1668 SGPropertyNode *n = locale->getNode("strings");
1669 vector<SGPropertyNode_ptr>trans_desc =
1670 n->getChildren(t.substr(8).c_str());
1672 for ( unsigned int m = 0; m < trans_desc.size(); m++ ) {
1673 string t_str = trans_desc[m]->getStringValue();
1675 if ((m > 0) || ((l > 0) && m == 0)) {
1676 snprintf(cstr, 96, "%32c", ' ');
1681 // If the string is too large to fit on the screen,
1682 // then split it up in several pieces.
1684 while ( t_str.size() > 47 ) {
1686 unsigned int m = t_str.rfind(' ', 47);
1687 msg += t_str.substr(0, m);
1688 snprintf(cstr, 96, "\n%32c", ' ');
1691 t_str.erase(t_str.begin(), t_str.begin() + m + 1);
1693 msg += t_str + '\n';
1700 SGPropertyNode *name =
1701 locale->getNode(section[j]->getStringValue("name"));
1703 if (!msg.empty() && name) {
1704 cout << endl << name->getStringValue() << ":" << endl;
1712 cout << "For a complete list of options use --help --verbose" << endl;
1717 * Search in the current directory, and in on directory deeper
1718 * for <aircraft>-set.xml configuration files and show the aircaft name
1719 * and the contents of the<description> tag in a sorted manner.
1721 * @parampath the directory to search for configuration files
1722 * @param recursive defines whether the directory should be searched recursively
1724 void fgShowAircraft(const SGPath &path, bool recursive) {
1725 static vector<string> aircraft;
1728 ulDir *dirp = ulOpenDir(path.str().c_str());
1730 cerr << "Unable to open aircraft directory." << endl;
1734 while ((dire = ulReadDir(dirp)) != NULL) {
1737 if (dire->d_isdir) {
1738 if (recursive && strcmp("CVS", dire->d_name)
1739 && strcmp(".", dire->d_name) && strcmp("..", dire->d_name))
1742 next.append(dire->d_name);
1744 fgShowAircraft(next, false);
1746 } else if ((ptr = strstr(dire->d_name, "-set.xml")) && (ptr[8] == '\0')) {
1748 SGPath afile = path;
1749 afile.append(dire->d_name);
1753 SGPropertyNode root;
1755 readProperties(afile.str(), &root);
1760 SGPropertyNode *desc = NULL;
1761 SGPropertyNode *node = root.getNode("sim");
1763 desc = node->getNode("description");
1767 if (strlen(dire->d_name) <= 27) {
1768 snprintf(cstr, 96, " %-27s %s", dire->d_name,
1769 (desc) ? desc->getStringValue() : "" );
1772 snprintf(cstr, 96, " %-27s\n%32c%s", dire->d_name, ' ',
1773 (desc) ? desc->getStringValue() : "" );
1776 aircraft.push_back(cstr);
1781 sort(aircraft.begin(), aircraft.end());
1782 cout << "Available aircraft:" << endl;
1783 for ( unsigned int i = 0; i < aircraft.size(); i++ ) {
1784 cout << aircraft[i] << endl;