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/structure/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>
46 // #include <Include/general.hxx>
47 // #include <Airports/simple.hxx>
48 // #include <Cockpit/cockpit.hxx>
49 // #include <FDM/flight.hxx>
50 // #include <FDM/UIUCModel/uiuc_aircraftdir.h>
52 #include <Autopilot/route_mgr.hxx>
55 #include "globals.hxx"
56 #include "fg_init.hxx"
57 #include "fg_props.hxx"
58 #include "options.hxx"
60 #include "viewmgr.hxx"
65 SG_USING_NAMESPACE(std);
68 #define NEW_DEFAULT_MODEL_HZ 120
75 FG_OPTIONS_VERBOSE_HELP = 3,
76 FG_OPTIONS_SHOW_AIRCRAFT = 4
80 atof( const string& str )
84 // -dw- if ::atof is called, then we get an infinite loop
85 return std::atof( str.c_str() );
87 return ::atof( str.c_str() );
92 atoi( const string& str )
95 // -dw- if ::atoi is called, then we get an infinite loop
96 return std::atoi( str.c_str() );
98 return ::atoi( str.c_str() );
104 * Set a few fail-safe default property values.
106 * These should all be set in $FG_ROOT/preferences.xml, but just
107 * in case, we provide some initial sane values here. This method
108 * should be invoked *before* reading any init files.
113 // set a possibly independent location for scenery data
114 char *envp = ::getenv( "FG_SCENERY" );
116 if ( envp != NULL ) {
117 // fg_root could be anywhere, so default to environmental
118 // variable $FG_ROOT if it is set.
119 globals->set_fg_scenery(envp);
121 // Otherwise, default to Scenery being in $FG_ROOT/Scenery
122 globals->set_fg_scenery("");
124 // Position (deliberately out of range)
125 fgSetDouble("/position/longitude-deg", 9999.0);
126 fgSetDouble("/position/latitude-deg", 9999.0);
127 fgSetDouble("/position/altitude-ft", -9999.0);
130 fgSetDouble("/orientation/heading-deg", 270);
131 fgSetDouble("/orientation/roll-deg", 0);
132 fgSetDouble("/orientation/pitch-deg", 0.424);
135 fgSetDouble("/velocities/uBody-fps", 0.0);
136 fgSetDouble("/velocities/vBody-fps", 0.0);
137 fgSetDouble("/velocities/wBody-fps", 0.0);
138 fgSetDouble("/velocities/speed-north-fps", 0.0);
139 fgSetDouble("/velocities/speed-east-fps", 0.0);
140 fgSetDouble("/velocities/speed-down-fps", 0.0);
141 fgSetDouble("/velocities/airspeed-kt", 0.0);
142 fgSetDouble("/velocities/mach", 0.0);
145 fgSetDouble("/sim/presets/longitude-deg", 9999.0);
146 fgSetDouble("/sim/presets/latitude-deg", 9999.0);
147 fgSetDouble("/sim/presets/altitude-ft", -9999.0);
149 fgSetDouble("/sim/presets/heading-deg", 270);
150 fgSetDouble("/sim/presets/roll-deg", 0);
151 fgSetDouble("/sim/presets/pitch-deg", 0.424);
153 fgSetString("/sim/presets/speed-set", "knots");
154 fgSetDouble("/sim/presets/airspeed-kt", 0.0);
155 fgSetDouble("/sim/presets/mach", 0.0);
156 fgSetDouble("/sim/presets/uBody-fps", 0.0);
157 fgSetDouble("/sim/presets/vBody-fps", 0.0);
158 fgSetDouble("/sim/presets/wBody-fps", 0.0);
159 fgSetDouble("/sim/presets/speed-north-fps", 0.0);
160 fgSetDouble("/sim/presets/speed-east-fps", 0.0);
161 fgSetDouble("/sim/presets/speed-down-fps", 0.0);
163 fgSetBool("/sim/presets/onground", true);
164 fgSetBool("/sim/presets/trim", false);
167 fgSetBool("/sim/startup/game-mode", false);
168 fgSetBool("/sim/startup/splash-screen", true);
169 fgSetBool("/sim/startup/intro-music", true);
170 // we want mouse-pointer to have an undefined value if nothing is
171 // specified so we can do the right thing for voodoo-1/2 cards.
172 // fgSetString("/sim/startup/mouse-pointer", "disabled");
173 fgSetString("/sim/control-mode", "joystick");
174 fgSetBool("/sim/auto-coordination", false);
176 fgSetString("/sim/startup/browser-app", "netscape");
178 fgSetString("/sim/startup/browser-app", "webrun.bat");
180 fgSetString("/sim/logging/priority", "alert");
183 fgSetBool("/sim/hud/antialiased", false);
184 fgSetBool("/sim/hud/enable3d", true);
185 fgSetBool("/sim/hud/visibility", false);
186 fgSetBool("/sim/panel/visibility", true);
187 fgSetBool("/sim/sound/pause", false);
189 // Flight Model options
190 fgSetString("/sim/flight-model", "jsb");
191 fgSetString("/sim/aero", "c172");
192 fgSetInt("/sim/model-hz", NEW_DEFAULT_MODEL_HZ);
193 fgSetInt("/sim/speed-up", 1);
196 fgSetString("/sim/rendering/fog", "nicest");
197 fgSetBool("/environment/clouds/status", true);
198 fgSetBool("/sim/startup/fullscreen", false);
199 fgSetBool("/sim/rendering/shading", true);
200 fgSetBool("/sim/rendering/skyblend", true);
201 fgSetBool("/sim/rendering/textures", true);
202 fgSetBool("/sim/rendering/wireframe", false);
203 fgSetBool("/sim/rendering/horizon-effect", false);
204 fgSetBool("/sim/rendering/enhanced-lighting", false);
205 fgSetBool("/sim/rendering/distance-attenuation", false);
206 fgSetBool("/sim/rendering/specular-highlight", true);
207 fgSetInt("/sim/startup/xsize", 800);
208 fgSetInt("/sim/startup/ysize", 600);
209 fgSetInt("/sim/rendering/bits-per-pixel", 16);
210 fgSetString("/sim/view-mode", "pilot");
211 fgSetDouble("/sim/current-view/heading-offset-deg", 0);
214 fgSetString("/sim/startup/units", "feet");
215 fgSetString("/sim/hud/frame-stat-type", "tris");
218 fgSetInt("/sim/startup/time-offset", 0);
219 fgSetString("/sim/startup/time-offset-type", "system-offset");
220 fgSetLong("/sim/time/cur-time-override", 0);
223 fgSetBool("/sim/freeze/master", false);
224 fgSetBool("/sim/freeze/position", false);
225 fgSetBool("/sim/freeze/clock", false);
226 fgSetBool("/sim/freeze/fuel", false);
229 fgSetString("/sim/multiplay/callsign", "callsign");
230 fgSetString("/sim/multiplay/rxhost", "0");
231 fgSetString("/sim/multiplay/txhost", "0");
232 fgSetInt("/sim/multiplay/rxport", 0);
233 fgSetInt("/sim/multiplay/txport", 0);
239 parse_wind (const string &wind, double * min_hdg, double * max_hdg,
240 double * speed, double * gust)
242 string::size_type pos = wind.find('@');
243 if (pos == string::npos)
245 string dir = wind.substr(0, pos);
246 string spd = wind.substr(pos+1);
248 if (pos == string::npos) {
249 *min_hdg = *max_hdg = atof(dir.c_str());
251 *min_hdg = atof(dir.substr(0,pos).c_str());
252 *max_hdg = atof(dir.substr(pos+1).c_str());
255 if (pos == string::npos) {
256 *speed = *gust = atof(spd.c_str());
258 *speed = atof(spd.substr(0,pos).c_str());
259 *gust = atof(spd.substr(pos+1).c_str());
264 // parse a time string ([+/-]%f[:%f[:%f]]) into hours
266 parse_time(const string& time_in) {
267 char *time_str, num[256];
268 double hours, minutes, seconds;
273 time_str = (char *)time_in.c_str();
275 // printf("parse_time(): %s\n", time_str);
278 if ( strlen(time_str) ) {
279 if ( time_str[0] == '+' ) {
282 } else if ( time_str[0] == '-' ) {
287 // printf("sign = %d\n", sign);
290 if ( strlen(time_str) ) {
292 while ( (time_str[0] != ':') && (time_str[0] != '\0') ) {
293 num[i] = time_str[0];
297 if ( time_str[0] == ':' ) {
302 // printf("hours = %.2lf\n", hours);
308 if ( strlen(time_str) ) {
310 while ( (time_str[0] != ':') && (time_str[0] != '\0') ) {
311 num[i] = time_str[0];
315 if ( time_str[0] == ':' ) {
320 // printf("minutes = %.2lf\n", minutes);
322 result += minutes / 60.0;
326 if ( strlen(time_str) ) {
328 while ( (time_str[0] != ':') && (time_str[0] != '\0') ) {
329 num[i] = time_str[0];
335 // printf("seconds = %.2lf\n", seconds);
337 result += seconds / 3600.0;
340 SG_LOG( SG_GENERAL, SG_INFO, " parse_time() = " << sign * result );
342 return(sign * result);
346 // parse a date string (yyyy:mm:dd:hh:mm:ss) into a time_t (seconds)
348 parse_date( const string& date)
351 char * date_str, num[256];
353 // initialize to zero
360 gmt.tm_isdst = 0; // ignore daylight savings time for the moment
361 date_str = (char *)date.c_str();
363 if ( strlen(date_str) ) {
365 while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
366 num[i] = date_str[0];
370 if ( date_str[0] == ':' ) {
374 gmt.tm_year = atoi(num) - 1900;
377 if ( strlen(date_str) ) {
379 while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
380 num[i] = date_str[0];
384 if ( date_str[0] == ':' ) {
388 gmt.tm_mon = atoi(num) -1;
391 if ( strlen(date_str) ) {
393 while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
394 num[i] = date_str[0];
398 if ( date_str[0] == ':' ) {
402 gmt.tm_mday = atoi(num);
405 if ( strlen(date_str) ) {
407 while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
408 num[i] = date_str[0];
412 if ( date_str[0] == ':' ) {
416 gmt.tm_hour = atoi(num);
419 if ( strlen(date_str) ) {
421 while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
422 num[i] = date_str[0];
426 if ( date_str[0] == ':' ) {
430 gmt.tm_min = atoi(num);
433 if ( strlen(date_str) ) {
435 while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
436 num[i] = date_str[0];
440 if ( date_str[0] == ':' ) {
444 gmt.tm_sec = atoi(num);
446 time_t theTime = sgTimeGetGMT( gmt.tm_year, gmt.tm_mon, gmt.tm_mday,
447 gmt.tm_hour, gmt.tm_min, gmt.tm_sec );
448 //printf ("Date is %s\n", ctime(&theTime));
449 //printf ("in seconds that is %d\n", theTime);
455 // parse angle in the form of [+/-]ddd:mm:ss into degrees
457 parse_degree( const string& degree_str) {
458 double result = parse_time( degree_str );
460 // printf("Degree = %.4f\n", result);
466 // parse time offset string into seconds
468 parse_time_offset( const string& time_str) {
471 // printf("time offset = %s\n", time_str);
474 result = (int)rint(parse_time(time_str) * 3600.0);
476 result = (int)(parse_time(time_str) * 3600.0);
479 // printf("parse_time_offset(): %d\n", result);
485 // Parse --fov=x.xx type option
487 parse_fov( const string& arg ) {
488 double fov = atof(arg);
490 if ( fov < FG_FOV_MIN ) { fov = FG_FOV_MIN; }
491 if ( fov > FG_FOV_MAX ) { fov = FG_FOV_MAX; }
493 fgSetDouble("/sim/current-view/field-of-view", fov);
495 // printf("parse_fov(): result = %.4f\n", fov);
501 // Parse I/O channel option
503 // Format is "--protocol=medium,direction,hz,medium_options,..."
505 // protocol = { native, nmea, garmin, fgfs, rul, pve, etc. }
506 // medium = { serial, socket, file, etc. }
507 // direction = { in, out, bi }
508 // hz = number of times to process channel per second (floating
509 // point values are ok.
511 // Serial example "--nmea=serial,dir,hz,device,baud" where
513 // device = OS device name of serial line to be open()'ed
514 // baud = {300, 1200, 2400, ..., 230400}
516 // Socket exacmple "--native=socket,dir,hz,machine,port,style" where
518 // machine = machine name or ip address if client (leave empty if server)
519 // port = port, leave empty to let system choose
520 // style = tcp or udp
522 // File example "--garmin=file,dir,hz,filename" where
524 // filename = file system file name
527 add_channel( const string& type, const string& channel_str ) {
528 SG_LOG(SG_GENERAL, SG_INFO, "Channel string = " << channel_str );
530 globals->get_channel_options_list()->push_back( type + "," + channel_str );
532 // cout << "here" << endl;
537 // The parse wp and parse flight-plan options don't work anymore, because
538 // the route manager and the airport subsystems have not yet been initialized
541 // Parse --wp=ID[@alt]
543 parse_wp( const string& arg ) {
544 string_list *waypoints = globals->get_initial_waypoints();
546 waypoints = new string_list;
548 waypoints->push_back(arg);
549 globals->set_initial_waypoints(waypoints);
553 // Parse --flight-plan=[file]
555 parse_flightplan(const string& arg)
557 string_list *waypoints = globals->get_initial_waypoints();
559 waypoints = new string_list;
560 sg_gzifstream in(arg.c_str());
561 if ( !in.is_open() ) {
567 #if defined( macintosh )
568 getline( in, line, '\r' );
570 getline( in, line, '\n' );
573 // catch extraneous (DOS) line ending character
574 if ( line[line.length() - 1] < 32 ) {
575 line = line.substr( 0, line.length()-1 );
581 waypoints->push_back(line);
583 globals->set_initial_waypoints(waypoints);
588 fgOptLanguage( const char *arg )
590 globals->set_locale( fgInitLocale( arg ) );
591 return FG_OPTIONS_OK;
597 fgSetString("/sim/presets/airport-id", "");
598 fgSetString("/sim/presets/vor-id", "");
599 fgSetString("/sim/presets/ndb-id", "");
600 fgSetString("/sim/presets/fix", "");
604 fgOptVOR( const char * arg )
607 fgSetString("/sim/presets/vor-id", arg);
608 return FG_OPTIONS_OK;
612 fgOptNDB( const char * arg )
615 fgSetString("/sim/presets/ndb-id", arg);
616 return FG_OPTIONS_OK;
620 fgOptFIX( const char * arg )
623 fgSetString("/sim/presets/fix", arg);
624 return FG_OPTIONS_OK;
628 fgOptLon( const char *arg )
631 fgSetDouble("/sim/presets/longitude-deg", parse_degree( arg ));
632 fgSetDouble("/position/longitude-deg", parse_degree( arg ));
633 return FG_OPTIONS_OK;
637 fgOptLat( const char *arg )
640 fgSetDouble("/sim/presets/latitude-deg", parse_degree( arg ));
641 fgSetDouble("/position/latitude-deg", parse_degree( arg ));
642 return FG_OPTIONS_OK;
646 fgOptAltitude( const char *arg )
648 fgSetBool("/sim/presets/onground", false);
649 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
650 fgSetDouble("/sim/presets/altitude-ft", atof( arg ));
652 fgSetDouble("/sim/presets/altitude-ft",
653 atof( arg ) * SG_METER_TO_FEET);
654 return FG_OPTIONS_OK;
658 fgOptUBody( const char *arg )
660 fgSetString("/sim/presets/speed-set", "UVW");
661 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
662 fgSetDouble("/sim/presets/uBody-fps", atof( arg ));
664 fgSetDouble("/sim/presets/uBody-fps",
665 atof( arg ) * SG_METER_TO_FEET);
666 return FG_OPTIONS_OK;
670 fgOptVBody( const char *arg )
672 fgSetString("/sim/presets/speed-set", "UVW");
673 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
674 fgSetDouble("/sim/presets/vBody-fps", atof( arg ));
676 fgSetDouble("/sim/presets/vBody-fps",
677 atof( arg ) * SG_METER_TO_FEET);
678 return FG_OPTIONS_OK;
682 fgOptWBody( const char *arg )
684 fgSetString("/sim/presets/speed-set", "UVW");
685 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
686 fgSetDouble("/sim/presets/wBody-fps", atof(arg));
688 fgSetDouble("/sim/presets/wBody-fps",
689 atof(arg) * SG_METER_TO_FEET);
690 return FG_OPTIONS_OK;
694 fgOptVNorth( const char *arg )
696 fgSetString("/sim/presets/speed-set", "NED");
697 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
698 fgSetDouble("/sim/presets/speed-north-fps", atof( arg ));
700 fgSetDouble("/sim/presets/speed-north-fps",
701 atof( arg ) * SG_METER_TO_FEET);
702 return FG_OPTIONS_OK;
706 fgOptVEast( const char *arg )
708 fgSetString("/sim/presets/speed-set", "NED");
709 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
710 fgSetDouble("/sim/presets/speed-east-fps", atof(arg));
712 fgSetDouble("/sim/presets/speed-east-fps",
713 atof(arg) * SG_METER_TO_FEET);
714 return FG_OPTIONS_OK;
718 fgOptVDown( const char *arg )
720 fgSetString("/sim/presets/speed-set", "NED");
721 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
722 fgSetDouble("/sim/presets/speed-down-fps", atof(arg));
724 fgSetDouble("/sim/presets/speed-down-fps",
725 atof(arg) * SG_METER_TO_FEET);
726 return FG_OPTIONS_OK;
730 fgOptVc( const char *arg )
732 // fgSetString("/sim/presets/speed-set", "knots");
733 // fgSetDouble("/velocities/airspeed-kt", atof(arg.substr(5)));
734 fgSetString("/sim/presets/speed-set", "knots");
735 fgSetDouble("/sim/presets/airspeed-kt", atof(arg));
736 return FG_OPTIONS_OK;
740 fgOptMach( const char *arg )
742 fgSetString("/sim/presets/speed-set", "mach");
743 fgSetDouble("/sim/presets/mach", atof(arg));
744 return FG_OPTIONS_OK;
748 fgOptRoc( const char *arg )
750 fgSetDouble("/velocities/vertical-speed-fps", atof(arg)/60);
751 return FG_OPTIONS_OK;
755 fgOptFgRoot( const char *arg )
757 globals->set_fg_root(arg);
758 return FG_OPTIONS_OK;
762 fgOptFgScenery( const char *arg )
764 globals->set_fg_scenery(arg);
765 return FG_OPTIONS_OK;
769 fgOptFov( const char *arg )
772 return FG_OPTIONS_OK;
776 fgOptGeometry( const char *arg )
778 bool geometry_ok = true;
779 int xsize = 0, ysize = 0;
780 string geometry = arg;
781 string::size_type i = geometry.find('x');
783 if (i != string::npos) {
784 xsize = atoi(geometry.substr(0, i));
785 ysize = atoi(geometry.substr(i+1));
790 if ( xsize <= 0 || ysize <= 0 ) {
796 if ( !geometry_ok ) {
797 SG_LOG( SG_GENERAL, SG_ALERT, "Unknown geometry: " << geometry );
798 SG_LOG( SG_GENERAL, SG_ALERT,
799 "Setting geometry to " << xsize << 'x' << ysize << '\n');
801 SG_LOG( SG_GENERAL, SG_INFO,
802 "Setting geometry to " << xsize << 'x' << ysize << '\n');
803 fgSetInt("/sim/startup/xsize", xsize);
804 fgSetInt("/sim/startup/ysize", ysize);
806 return FG_OPTIONS_OK;
810 fgOptBpp( const char *arg )
812 string bits_per_pix = arg;
813 if ( bits_per_pix == "16" ) {
814 fgSetInt("/sim/rendering/bits-per-pixel", 16);
815 } else if ( bits_per_pix == "24" ) {
816 fgSetInt("/sim/rendering/bits-per-pixel", 24);
817 } else if ( bits_per_pix == "32" ) {
818 fgSetInt("/sim/rendering/bits-per-pixel", 32);
820 SG_LOG(SG_GENERAL, SG_ALERT, "Unsupported bpp " << bits_per_pix);
822 return FG_OPTIONS_OK;
826 fgOptTimeOffset( const char *arg )
828 fgSetInt("/sim/startup/time-offset",
829 parse_time_offset( arg ));
830 fgSetString("/sim/startup/time-offset-type", "system-offset");
831 return FG_OPTIONS_OK;
835 fgOptStartDateSys( const char *arg )
837 fgSetInt("/sim/startup/time-offset", parse_date( arg ) );
838 fgSetString("/sim/startup/time-offset-type", "system");
839 return FG_OPTIONS_OK;
843 fgOptStartDateLat( const char *arg )
845 fgSetInt("/sim/startup/time-offset", parse_date( arg ) );
846 fgSetString("/sim/startup/time-offset-type", "latitude");
847 return FG_OPTIONS_OK;
851 fgOptStartDateGmt( const char *arg )
853 fgSetInt("/sim/startup/time-offset", parse_date( arg ) );
854 fgSetString("/sim/startup/time-offset-type", "gmt");
855 return FG_OPTIONS_OK;
859 fgSetupProxy( const char *arg )
861 string options = arg;
862 string host, port, auth;
865 host = port = auth = "";
866 if ((pos = options.find("@")) != string::npos)
867 auth = options.substr(0, pos++);
871 host = options.substr(pos, options.size());
872 if ((pos = host.find(":")) != string::npos) {
873 port = host.substr(++pos, host.size());
874 host.erase(--pos, host.size());
877 fgSetString("/sim/presets/proxy/host", host.c_str());
878 fgSetString("/sim/presets/proxy/port", port.c_str());
879 fgSetString("/sim/presets/proxy/authentication", auth.c_str());
881 return FG_OPTIONS_OK;
885 fgOptTraceRead( const char *arg )
888 SG_LOG(SG_GENERAL, SG_INFO, "Tracing reads for property " << name);
889 fgGetNode(name.c_str(), true)
890 ->setAttribute(SGPropertyNode::TRACE_READ, true);
891 return FG_OPTIONS_OK;
895 fgOptLogLevel( const char *arg )
897 fgSetString("/sim/logging/classes", "all");
898 fgSetString("/sim/logging/priority", arg);
900 string priority = arg;
901 logbuf::set_log_classes(SG_ALL);
902 if (priority == "bulk") {
903 logbuf::set_log_priority(SG_BULK);
904 } else if (priority == "debug") {
905 logbuf::set_log_priority(SG_DEBUG);
906 } else if (priority == "info") {
907 logbuf::set_log_priority(SG_INFO);
908 } else if (priority == "warn") {
909 logbuf::set_log_priority(SG_WARN);
910 } else if (priority == "alert") {
911 logbuf::set_log_priority(SG_ALERT);
913 SG_LOG(SG_GENERAL, SG_WARN, "Unknown logging priority " << priority);
915 SG_LOG(SG_GENERAL, SG_DEBUG, "Logging priority is " << priority);
917 return FG_OPTIONS_OK;
922 fgOptTraceWrite( const char *arg )
925 SG_LOG(SG_GENERAL, SG_INFO, "Tracing writes for property " << name);
926 fgGetNode(name.c_str(), true)
927 ->setAttribute(SGPropertyNode::TRACE_WRITE, true);
928 return FG_OPTIONS_OK;
932 fgOptViewOffset( const char *arg )
934 // $$$ begin - added VS Renganathan, 14 Oct 2K
935 // for multi-window outside window imagery
936 string woffset = arg;
937 double default_view_offset = 0.0;
938 if ( woffset == "LEFT" ) {
939 default_view_offset = SGD_PI * 0.25;
940 } else if ( woffset == "RIGHT" ) {
941 default_view_offset = SGD_PI * 1.75;
942 } else if ( woffset == "CENTER" ) {
943 default_view_offset = 0.00;
945 default_view_offset = atof( woffset.c_str() ) * SGD_DEGREES_TO_RADIANS;
947 /* apparently not used (CLO, 11 Jun 2002)
948 FGViewer *pilot_view =
949 (FGViewer *)globals->get_viewmgr()->get_view( 0 ); */
950 // this will work without calls to the viewer...
951 fgSetDouble( "/sim/current-view/heading-offset-deg",
952 default_view_offset * SGD_RADIANS_TO_DEGREES );
953 // $$$ end - added VS Renganathan, 14 Oct 2K
954 return FG_OPTIONS_OK;
958 fgOptVisibilityMeters( const char *arg )
960 double visibility = atof( arg );
961 fgDefaultWeatherValue("visibility-m", visibility);
962 return FG_OPTIONS_OK;
966 fgOptVisibilityMiles( const char *arg )
968 double visibility = atof( arg ) * 5280.0 * SG_FEET_TO_METER;
969 fgDefaultWeatherValue("visibility-m", visibility);
970 return FG_OPTIONS_OK;
974 fgOptRandomWind( const char *arg )
976 double min_hdg = sg_random() * 360.0;
977 double max_hdg = min_hdg + (20 - sqrt(sg_random() * 400));
978 double speed = sg_random() * sg_random() * 40;
979 double gust = speed + (10 - sqrt(sg_random() * 100));
980 fgSetupWind(min_hdg, max_hdg, speed, gust);
981 return FG_OPTIONS_OK;
985 fgOptWind( const char *arg )
987 double min_hdg, max_hdg, speed, gust;
988 if (!parse_wind( arg, &min_hdg, &max_hdg, &speed, &gust)) {
989 SG_LOG( SG_GENERAL, SG_ALERT, "bad wind value " << arg );
990 return FG_OPTIONS_ERROR;
992 fgSetupWind(min_hdg, max_hdg, speed, gust);
993 return FG_OPTIONS_OK;
997 fgOptTurbulence( const char *arg )
999 fgDefaultWeatherValue("turbulence/magnitude-norm", atof(arg));
1000 return FG_OPTIONS_OK;
1004 fgOptCeiling( const char *arg )
1006 double elevation, thickness;
1008 string::size_type pos = spec.find(':');
1009 if (pos == string::npos) {
1010 elevation = atof(spec.c_str());
1013 elevation = atof(spec.substr(0, pos).c_str());
1014 thickness = atof(spec.substr(pos + 1).c_str());
1016 fgSetDouble("/environment/clouds/layer[0]/elevation-ft", elevation);
1017 fgSetDouble("/environment/clouds/layer[0]/thickness-ft", thickness);
1018 fgSetString("/environment/clouds/layer[0]/coverage", "overcast");
1019 return FG_OPTIONS_OK;
1023 fgOptWp( const char *arg )
1026 return FG_OPTIONS_OK;
1030 fgOptFlightPlan( const char *arg )
1032 parse_flightplan ( arg );
1033 return FG_OPTIONS_OK;
1037 fgOptConfig( const char *arg )
1041 readProperties(file, globals->get_props());
1042 } catch (const sg_exception &e) {
1043 string message = "Error loading config file: ";
1044 message += e.getFormattedMessage();
1045 SG_LOG(SG_INPUT, SG_ALERT, message);
1048 return FG_OPTIONS_OK;
1052 parse_colon (const string &s, double * val1, double * val2)
1054 string::size_type pos = s.find(':');
1055 if (pos == string::npos) {
1059 *val1 = atof(s.substr(0, pos).c_str());
1060 *val2 = atof(s.substr(pos+1).c_str());
1067 fgOptFailure( const char * arg )
1071 fgSetBool("/systems/pitot/serviceable", false);
1072 } else if (a == "static") {
1073 fgSetBool("/systems/static/serviceable", false);
1074 } else if (a == "vacuum") {
1075 fgSetBool("/systems/vacuum/serviceable", false);
1076 } else if (a == "electrical") {
1077 fgSetBool("/systems/electrical/serviceable", false);
1079 SG_LOG(SG_INPUT, SG_ALERT, "Unknown failure mode: " << a);
1080 return FG_OPTIONS_ERROR;
1083 return FG_OPTIONS_OK;
1088 fgOptNAV1( const char * arg )
1090 double radial, freq;
1091 if (parse_colon(arg, &radial, &freq))
1092 fgSetDouble("/radios/nav[0]/radials/selected-deg", radial);
1093 fgSetDouble("/radios/nav[0]/frequencies/selected-mhz", freq);
1094 return FG_OPTIONS_OK;
1098 fgOptNAV2( const char * arg )
1100 double radial, freq;
1101 if (parse_colon(arg, &radial, &freq))
1102 fgSetDouble("/radios/nav[1]/radials/selected-deg", radial);
1103 fgSetDouble("/radios/nav[1]/frequencies/selected-mhz", freq);
1104 return FG_OPTIONS_OK;
1108 fgOptADF( const char * arg )
1111 if (parse_colon(arg, &rot, &freq))
1112 fgSetDouble("/instrumentation/adf/rotation-deg", rot);
1113 fgSetDouble("/instrumentation/adf/frequencies/selected-khz", freq);
1114 return FG_OPTIONS_OK;
1118 fgOptDME( const char *arg )
1121 if (opt == "nav1") {
1122 fgSetInt("/instrumentation/dme/switch-position", 1);
1123 fgSetString("/instrumentation/dme/frequencies/source",
1124 "/radios/nav[0]/frequencies/selected-mhz");
1125 } else if (opt == "nav2") {
1126 fgSetInt("/instrumentation/dme/switch-position", 3);
1127 fgSetString("/instrumentation/dme/frequencies/source",
1128 "/radios/nav[1]/frequencies/selected-mhz");
1130 fgSetInt("/instrumentation/dme/switch-position", 2);
1131 fgSetString("/instrumentation/dme/frequencies/source",
1132 "/instrumentation/dme/frequencies/selected-mhz");
1133 fgSetString("/instrumentation/dme/frequencies/selected-mhz", arg);
1135 return FG_OPTIONS_OK;
1138 static map<string,size_t> fgOptionMap;
1141 option has_param type property b_param s_param func
1144 option : name of the option
1145 has_param : option is --name=value if true or --name if false
1146 type : OPTION_BOOL - property is a boolean
1147 OPTION_STRING - property is a string
1148 OPTION_DOUBLE - property is a double
1149 OPTION_INT - property is an integer
1150 OPTION_CHANNEL - name of option is the name of a channel
1151 OPTION_FUNC - the option trigger a function
1152 b_param : if type==OPTION_BOOL,
1153 value set to the property (has_param is false for boolean)
1154 s_param : if type==OPTION_STRING,
1155 value set to the property if has_param is false
1156 func : function called if type==OPTION_FUNC. if has_param is true,
1157 the value is passed to the function as a string, otherwise,
1160 For OPTION_DOUBLE and OPTION_INT, the parameter value is converted into a
1161 double or an integer and set to the property.
1163 For OPTION_CHANNEL, add_channel is called with the parameter value as the
1167 enum OptionType { OPTION_BOOL, OPTION_STRING, OPTION_DOUBLE, OPTION_INT, OPTION_CHANNEL, OPTION_FUNC };
1171 enum OptionType type;
1175 int (*func)( const char * );
1176 } fgOptionArray[] = {
1178 {"language", true, OPTION_FUNC, "", false, "", fgOptLanguage },
1179 {"disable-game-mode", false, OPTION_BOOL, "/sim/startup/game-mode", false, "", 0 },
1180 {"enable-game-mode", false, OPTION_BOOL, "/sim/startup/game-mode", true, "", 0 },
1181 {"disable-splash-screen", false, OPTION_BOOL, "/sim/startup/splash-screen", false, "", 0 },
1182 {"enable-splash-screen", false, OPTION_BOOL, "/sim/startup/splash-screen", true, "", 0 },
1183 {"disable-intro-music", false, OPTION_BOOL, "/sim/startup/intro-music", false, "", 0 },
1184 {"enable-intro-music", false, OPTION_BOOL, "/sim/startup/intro-music", true, "", 0 },
1185 {"disable-mouse-pointer", false, OPTION_STRING, "/sim/startup/mouse-pointer", false, "disabled", 0 },
1186 {"enable-mouse-pointer", false, OPTION_STRING, "/sim/startup/mouse-pointer", false, "enabled", 0 },
1187 {"disable-random-objects", false, OPTION_BOOL, "/sim/rendering/random-objects", false, "", 0 },
1188 {"enable-random-objects", false, OPTION_BOOL, "/sim/rendering/random-objects", true, "", 0 },
1189 {"disable-real-weather-fetch", false, OPTION_BOOL, "/environment/params/real-world-weather-fetch", false, "", 0 },
1190 {"enable-real-weather-fetch", false, OPTION_BOOL, "/environment/params/real-world-weather-fetch", true, "", 0 },
1191 {"disable-ai-models", false, OPTION_BOOL, "/sim/ai/enabled", false, "", 0 },
1192 {"enable-ai-models", false, OPTION_BOOL, "/sim/ai/enabled", true, "", 0 },
1193 {"disable-freeze", false, OPTION_BOOL, "/sim/freeze/master", false, "", 0 },
1194 {"enable-freeze", false, OPTION_BOOL, "/sim/freeze/master", true, "", 0 },
1195 {"disable-fuel-freeze", false, OPTION_BOOL, "/sim/freeze/fuel", false, "", 0 },
1196 {"enable-fuel-freeze", false, OPTION_BOOL, "/sim/freeze/fuel", true, "", 0 },
1197 {"disable-clock-freeze", false, OPTION_BOOL, "/sim/freeze/clock", false, "", 0 },
1198 {"enable-clock-freeze", false, OPTION_BOOL, "/sim/freeze/clock", true, "", 0 },
1199 {"disable-hud-3d", false, OPTION_BOOL, "/sim/hud/enable3d", false, "", 0 },
1200 {"enable-hud-3d", false, OPTION_BOOL, "/sim/hud/enable3d", true, "", 0 },
1201 {"disable-anti-alias-hud", false, OPTION_BOOL, "/sim/hud/antialiased", false, "", 0 },
1202 {"enable-anti-alias-hud", false, OPTION_BOOL, "/sim/hud/antialiased", true, "", 0 },
1203 {"control", true, OPTION_STRING, "/sim/control-mode", false, "", 0 },
1204 {"disable-auto-coordination", false, OPTION_BOOL, "/sim/auto-coordination", false, "", 0 },
1205 {"enable-auto-coordination", false, OPTION_BOOL, "/sim/auto-coordination", true, "", 0 },
1206 {"browser-app", true, OPTION_STRING, "/sim/startup/browser-app", false, "", 0 },
1207 {"disable-hud", false, OPTION_BOOL, "/sim/hud/visibility", false, "", 0 },
1208 {"enable-hud", false, OPTION_BOOL, "/sim/hud/visibility", true, "", 0 },
1209 {"disable-panel", false, OPTION_BOOL, "/sim/panel/visibility", false, "", 0 },
1210 {"enable-panel", false, OPTION_BOOL, "/sim/panel/visibility", true, "", 0 },
1211 {"disable-sound", false, OPTION_BOOL, "/sim/sound/pause", true, "", 0 },
1212 {"enable-sound", false, OPTION_BOOL, "/sim/sound/pause", false, "", 0 },
1213 {"airport", true, OPTION_STRING, "/sim/presets/airport-id", false, "", 0 },
1214 {"airport-id", true, OPTION_STRING, "/sim/presets/airport-id", false, "", 0 },
1215 {"runway", true, OPTION_STRING, "/sim/presets/runway", false, "", 0 },
1216 {"vor", true, OPTION_FUNC, "", false, "", fgOptVOR },
1217 {"ndb", true, OPTION_FUNC, "", false, "", fgOptNDB },
1218 {"fix", true, OPTION_FUNC, "", false, "", fgOptFIX },
1219 {"offset-distance", true, OPTION_DOUBLE, "/sim/presets/offset-distance", false, "", 0 },
1220 {"offset-azimuth", true, OPTION_DOUBLE, "/sim/presets/offset-azimuth", false, "", 0 },
1221 {"lon", true, OPTION_FUNC, "", false, "", fgOptLon },
1222 {"lat", true, OPTION_FUNC, "", false, "", fgOptLat },
1223 {"altitude", true, OPTION_FUNC, "", false, "", fgOptAltitude },
1224 {"uBody", true, OPTION_FUNC, "", false, "", fgOptUBody },
1225 {"vBody", true, OPTION_FUNC, "", false, "", fgOptVBody },
1226 {"wBody", true, OPTION_FUNC, "", false, "", fgOptWBody },
1227 {"vNorth", true, OPTION_FUNC, "", false, "", fgOptVNorth },
1228 {"vEast", true, OPTION_FUNC, "", false, "", fgOptVEast },
1229 {"vDown", true, OPTION_FUNC, "", false, "", fgOptVDown },
1230 {"vc", true, OPTION_FUNC, "", false, "", fgOptVc },
1231 {"mach", true, OPTION_FUNC, "", false, "", fgOptMach },
1232 {"heading", true, OPTION_DOUBLE, "/sim/presets/heading-deg", false, "", 0 },
1233 {"roll", true, OPTION_DOUBLE, "/sim/presets/roll-deg", false, "", 0 },
1234 {"pitch", true, OPTION_DOUBLE, "/sim/presets/pitch-deg", false, "", 0 },
1235 {"glideslope", true, OPTION_DOUBLE, "/sim/presets/glideslope-deg", false, "", 0 },
1236 {"roc", true, OPTION_FUNC, "", false, "", fgOptRoc },
1237 {"fg-root", true, OPTION_FUNC, "", false, "", fgOptFgRoot },
1238 {"fg-scenery", true, OPTION_FUNC, "", false, "", fgOptFgScenery },
1239 {"fdm", true, OPTION_STRING, "/sim/flight-model", false, "", 0 },
1240 {"aero", true, OPTION_STRING, "/sim/aero", false, "", 0 },
1241 {"aircraft-dir", true, OPTION_STRING, "/sim/aircraft-dir", false, "", 0 },
1242 {"model-hz", true, OPTION_INT, "/sim/model-hz", false, "", 0 },
1243 {"speed", true, OPTION_INT, "/sim/speed-up", false, "", 0 },
1244 {"trim", false, OPTION_BOOL, "/sim/presets/trim", true, "", 0 },
1245 {"notrim", false, OPTION_BOOL, "/sim/presets/trim", false, "", 0 },
1246 {"on-ground", false, OPTION_BOOL, "/sim/presets/onground", true, "", 0 },
1247 {"in-air", false, OPTION_BOOL, "/sim/presets/onground", false, "", 0 },
1248 {"fog-disable", false, OPTION_STRING, "/sim/rendering/fog", false, "disabled", 0 },
1249 {"fog-fastest", false, OPTION_STRING, "/sim/rendering/fog", false, "fastest", 0 },
1250 {"fog-nicest", false, OPTION_STRING, "/sim/rendering/fog", false, "nicest", 0 },
1251 {"disable-horizon-effect", false, OPTION_BOOL, "/sim/rendering/horizon-effect", false, "", 0 },
1252 {"enable-horizon-effect", false, OPTION_BOOL, "/sim/rendering/horizon-effect", true, "", 0 },
1253 {"disable-enhanced-lighting", false, OPTION_BOOL, "/sim/rendering/enhanced-lighting", false, "", 0 },
1254 {"enable-enhanced-lighting", false, OPTION_BOOL, "/sim/rendering/enhanced-lighting", true, "", 0 },
1255 {"disable-distance-attenuation", false, OPTION_BOOL, "/sim/rendering/distance-attenuation", false, "", 0 },
1256 {"enable-distance-attenuation", false, OPTION_BOOL, "/sim/rendering/distance-attenuation", true, "", 0 },
1257 {"disable-specular-highlight", false, OPTION_BOOL, "/sim/rendering/specular-highlight", false, "", 0 },
1258 {"enable-specular-highlight", false, OPTION_BOOL, "/sim/rendering/specular-highlight", true, "", 0 },
1259 {"disable-clouds", false, OPTION_BOOL, "/environment/clouds/status", false, "", 0 },
1260 {"enable-clouds", false, OPTION_BOOL, "/environment/clouds/status", true, "", 0 },
1261 #ifdef FG_USE_CLOUDS_3D
1262 {"disable-clouds3d", false, OPTION_BOOL, "/sim/rendering/clouds3d", false, "", 0 },
1263 {"enable-clouds3d", false, OPTION_BOOL, "/sim/rendering/clouds3d", true, "", 0 },
1265 {"fov", true, OPTION_FUNC, "", false, "", fgOptFov },
1266 {"disable-fullscreen", false, OPTION_BOOL, "/sim/startup/fullscreen", false, "", 0 },
1267 {"enable-fullscreen", false, OPTION_BOOL, "/sim/startup/fullscreen", true, "", 0 },
1268 {"shading-flat", false, OPTION_BOOL, "/sim/rendering/shading", false, "", 0 },
1269 {"shading-smooth", false, OPTION_BOOL, "/sim/rendering/shading", true, "", 0 },
1270 {"disable-skyblend", false, OPTION_BOOL, "/sim/rendering/skyblend", false, "", 0 },
1271 {"enable-skyblend", false, OPTION_BOOL, "/sim/rendering/skyblend", true, "", 0 },
1272 {"disable-textures", false, OPTION_BOOL, "/sim/rendering/textures", false, "", 0 },
1273 {"enable-textures", false, OPTION_BOOL, "/sim/rendering/textures", true, "", 0 },
1274 {"disable-wireframe", false, OPTION_BOOL, "/sim/rendering/wireframe", false, "", 0 },
1275 {"enable-wireframe", false, OPTION_BOOL, "/sim/rendering/wireframe", true, "", 0 },
1276 {"geometry", true, OPTION_FUNC, "", false, "", fgOptGeometry },
1277 {"bpp", true, OPTION_FUNC, "", false, "", fgOptBpp },
1278 {"units-feet", false, OPTION_STRING, "/sim/startup/units", false, "feet", 0 },
1279 {"units-meters", false, OPTION_STRING, "/sim/startup/units", false, "meters", 0 },
1280 {"timeofday", true, OPTION_STRING, "/sim/startup/time-offset-type", false, "noon", 0 },
1281 {"time-offset", true, OPTION_FUNC, "", false, "", fgOptTimeOffset },
1282 {"time-match-real", false, OPTION_STRING, "/sim/startup/time-offset-type", false, "system-offset", 0 },
1283 {"time-match-local", false, OPTION_STRING, "/sim/startup/time-offset-type", false, "latitude-offset", 0 },
1284 {"start-date-sys", true, OPTION_FUNC, "", false, "", fgOptStartDateSys },
1285 {"start-date-lat", true, OPTION_FUNC, "", false, "", fgOptStartDateLat },
1286 {"start-date-gmt", true, OPTION_FUNC, "", false, "", fgOptStartDateGmt },
1287 {"hud-tris", false, OPTION_STRING, "/sim/hud/frame-stat-type", false, "tris", 0 },
1288 {"hud-culled", false, OPTION_STRING, "/sim/hud/frame-stat-type", false, "culled", 0 },
1289 {"atcsim", true, OPTION_CHANNEL, "", false, "dummy", 0 },
1290 {"atlas", true, OPTION_CHANNEL, "", false, "", 0 },
1291 {"httpd", true, OPTION_CHANNEL, "", false, "", 0 },
1292 #ifdef FG_JPEG_SERVER
1293 {"jpg-httpd", true, OPTION_CHANNEL, "", false, "", 0 },
1295 {"native", true, OPTION_CHANNEL, "", false, "", 0 },
1296 {"native-ctrls", true, OPTION_CHANNEL, "", false, "", 0 },
1297 {"native-fdm", true, OPTION_CHANNEL, "", false, "", 0 },
1298 {"native-gui", true, OPTION_CHANNEL, "", false, "", 0 },
1299 {"opengc", true, OPTION_CHANNEL, "", false, "", 0 },
1300 {"garmin", true, OPTION_CHANNEL, "", false, "", 0 },
1301 {"nmea", true, OPTION_CHANNEL, "", false, "", 0 },
1302 {"generic", true, OPTION_CHANNEL, "", false, "", 0 },
1303 {"props", true, OPTION_CHANNEL, "", false, "", 0 },
1304 {"telnet", true, OPTION_CHANNEL, "", false, "", 0 },
1305 {"pve", true, OPTION_CHANNEL, "", false, "", 0 },
1306 {"ray", true, OPTION_CHANNEL, "", false, "", 0 },
1307 {"rul", true, OPTION_CHANNEL, "", false, "", 0 },
1308 {"joyclient", true, OPTION_CHANNEL, "", false, "", 0 },
1309 {"jsclient", true, OPTION_CHANNEL, "", false, "", 0 },
1310 {"proxy", true, OPTION_FUNC, "", false, "", fgSetupProxy },
1311 #ifdef FG_MPLAYER_AS
1312 {"callsign", true, OPTION_STRING, "sim/multiplay/callsign", false, "", 0 },
1313 {"multiplay", true, OPTION_CHANNEL, "", false, "", 0 },
1315 {"trace-read", true, OPTION_FUNC, "", false, "", fgOptTraceRead },
1316 {"trace-write", true, OPTION_FUNC, "", false, "", fgOptTraceWrite },
1317 {"log-level", true, OPTION_FUNC, "", false, "", fgOptLogLevel },
1318 {"view-offset", true, OPTION_FUNC, "", false, "", fgOptViewOffset },
1319 {"visibility", true, OPTION_FUNC, "", false, "", fgOptVisibilityMeters },
1320 {"visibility-miles", true, OPTION_FUNC, "", false, "", fgOptVisibilityMiles },
1321 {"random-wind", false, OPTION_FUNC, "", false, "", fgOptRandomWind },
1322 {"wind", true, OPTION_FUNC, "", false, "", fgOptWind },
1323 {"turbulence", true, OPTION_FUNC, "", false, "", fgOptTurbulence },
1324 {"ceiling", true, OPTION_FUNC, "", false, "", fgOptCeiling },
1325 {"wp", true, OPTION_FUNC, "", false, "", fgOptWp },
1326 {"flight-plan", true, OPTION_FUNC, "", false, "", fgOptFlightPlan },
1327 {"config", true, OPTION_FUNC, "", false, "", fgOptConfig },
1328 {"aircraft", true, OPTION_STRING, "/sim/aircraft", false, "", 0 },
1329 {"failure", true, OPTION_FUNC, "", false, "", fgOptFailure },
1330 {"com1", true, OPTION_DOUBLE, "/radios/comm[0]/frequencies/selected-mhz", false, "", 0 },
1331 {"com2", true, OPTION_DOUBLE, "/radios/comm[1]/frequencies/selected-mhz", false, "", 0 },
1332 {"nav1", true, OPTION_FUNC, "", false, "", fgOptNAV1 },
1333 {"nav2", true, OPTION_FUNC, "", false, "", fgOptNAV2 },
1334 {"adf", true, OPTION_FUNC, "", false, "", fgOptADF },
1335 {"dme", true, OPTION_FUNC, "", false, "", fgOptDME },
1336 {"min-status", true, OPTION_STRING, "/sim/aircraft-min-status", false, "all", 0 },
1341 // Parse a single option
1343 parse_option (const string& arg)
1345 if ( fgOptionMap.size() == 0 ) {
1347 OptionDesc *pt = &fgOptionArray[ 0 ];
1348 while ( pt->option != 0 ) {
1349 fgOptionMap[ pt->option ] = i;
1356 if ( (arg == "--help") || (arg == "-h") ) {
1357 // help/usage request
1358 return(FG_OPTIONS_HELP);
1359 } else if ( (arg == "--verbose") || (arg == "-v") ) {
1360 // verbose help/usage request
1361 return(FG_OPTIONS_VERBOSE_HELP);
1362 } else if ( arg.find( "--show-aircraft") == 0) {
1363 return(FG_OPTIONS_SHOW_AIRCRAFT);
1364 } else if ( arg.find( "--prop:" ) == 0 ) {
1365 string assign = arg.substr(7);
1366 string::size_type pos = assign.find('=');
1367 if ( pos == arg.npos || pos == 0 ) {
1368 SG_LOG( SG_GENERAL, SG_ALERT, "Bad property assignment: " << arg );
1369 return FG_OPTIONS_ERROR;
1371 string name = assign.substr(0, pos);
1372 string value = assign.substr(pos + 1);
1373 fgSetString(name.c_str(), value.c_str());
1374 // SG_LOG(SG_GENERAL, SG_INFO, "Setting default value of property "
1375 // << name << " to \"" << value << '"');
1376 } else if ( arg.find( "--" ) == 0 ) {
1377 size_t pos = arg.find( '=' );
1379 if ( pos == string::npos ) {
1380 arg_name = arg.substr( 2 );
1382 arg_name = arg.substr( 2, pos - 2 );
1384 map<string,size_t>::iterator it = fgOptionMap.find( arg_name );
1385 if ( it != fgOptionMap.end() ) {
1386 OptionDesc *pt = &fgOptionArray[ it->second ];
1387 switch ( pt->type ) {
1389 fgSetBool( pt->property, pt->b_param );
1392 if ( pt->has_param && pos != string::npos ) {
1393 fgSetString( pt->property, arg.substr( pos + 1 ).c_str() );
1394 } else if ( !pt->has_param && pos == string::npos ) {
1395 fgSetString( pt->property, pt->s_param );
1396 } else if ( pt->has_param ) {
1397 SG_LOG( SG_GENERAL, SG_ALERT, "Option '" << arg << "' needs a parameter" );
1398 return FG_OPTIONS_ERROR;
1400 SG_LOG( SG_GENERAL, SG_ALERT, "Option '" << arg << "' does not have a parameter" );
1401 return FG_OPTIONS_ERROR;
1405 if ( pos != string::npos ) {
1406 fgSetDouble( pt->property, atof( arg.substr( pos + 1 ) ) );
1408 SG_LOG( SG_GENERAL, SG_ALERT, "Option '" << arg << "' needs a parameter" );
1409 return FG_OPTIONS_ERROR;
1413 if ( pos != string::npos ) {
1414 fgSetInt( pt->property, atoi( arg.substr( pos + 1 ) ) );
1416 SG_LOG( SG_GENERAL, SG_ALERT, "Option '" << arg << "' needs a parameter" );
1417 return FG_OPTIONS_ERROR;
1420 case OPTION_CHANNEL:
1421 if ( pt->has_param && pos != string::npos ) {
1422 add_channel( pt->option, arg.substr( pos + 1 ) );
1423 } else if ( !pt->has_param && pos == string::npos ) {
1424 add_channel( pt->option, pt->s_param );
1425 } else if ( pt->has_param ) {
1426 SG_LOG( SG_GENERAL, SG_ALERT, "Option '" << arg << "' needs a parameter" );
1427 return FG_OPTIONS_ERROR;
1429 SG_LOG( SG_GENERAL, SG_ALERT, "Option '" << arg << "' does not have a parameter" );
1430 return FG_OPTIONS_ERROR;
1434 if ( pt->has_param && pos != string::npos ) {
1435 return pt->func( arg.substr( pos + 1 ).c_str() );
1436 } else if ( !pt->has_param && pos == string::npos ) {
1437 return pt->func( 0 );
1438 } else if ( pt->has_param ) {
1439 SG_LOG( SG_GENERAL, SG_ALERT, "Option '" << arg << "' needs a parameter" );
1440 return FG_OPTIONS_ERROR;
1442 SG_LOG( SG_GENERAL, SG_ALERT, "Option '" << arg << "' does not have a parameter" );
1443 return FG_OPTIONS_ERROR;
1448 SG_LOG( SG_GENERAL, SG_ALERT, "Unknown option '" << arg << "'" );
1449 return FG_OPTIONS_ERROR;
1452 SG_LOG( SG_GENERAL, SG_ALERT, "Unknown option '" << arg << "'" );
1453 return FG_OPTIONS_ERROR;
1456 return FG_OPTIONS_OK;
1460 // Parse the command line options
1462 fgParseArgs (int argc, char **argv)
1464 bool in_options = true;
1465 bool verbose = false;
1468 SG_LOG(SG_GENERAL, SG_INFO, "Processing command line arguments");
1470 for (int i = 1; i < argc; i++) {
1471 string arg = argv[i];
1473 if (in_options && (arg.find('-') == 0)) {
1477 int result = parse_option(arg);
1478 if ((result == FG_OPTIONS_HELP) || (result == FG_OPTIONS_ERROR))
1481 else if (result == FG_OPTIONS_VERBOSE_HELP)
1484 else if (result == FG_OPTIONS_SHOW_AIRCRAFT) {
1485 fgOptLogLevel( "alert" );
1486 SGPath path( globals->get_fg_root() );
1487 path.append("Aircraft");
1488 fgShowAircraft(path, true);
1494 SG_LOG(SG_GENERAL, SG_INFO,
1495 "Reading command-line property file " << arg);
1496 readProperties(arg, globals->get_props());
1501 fgOptLogLevel( "alert" );
1506 SG_LOG(SG_GENERAL, SG_INFO, "Finished command line arguments");
1510 // Parse config file options
1512 fgParseOptions (const string& path) {
1513 sg_gzifstream in( path );
1514 if ( !in.is_open() ) {
1518 SG_LOG( SG_GENERAL, SG_INFO, "Processing config file: " << path );
1522 while ( ! in.eof() ) {
1525 while ( in.get(c) && c != '\0' ) {
1530 #if defined( macintosh )
1531 getline( in, line, '\r' );
1533 getline( in, line, '\n' );
1536 // catch extraneous (DOS) line ending character
1537 if ( line[line.length() - 1] < 32 ) {
1538 line = line.substr( 0, line.length()-1 );
1541 if ( parse_option( line ) == FG_OPTIONS_ERROR ) {
1542 cerr << endl << "Config file parse error: " << path << " '"
1543 << line << "'" << endl;
1552 // Print usage message
1554 fgUsage (bool verbose)
1556 SGPropertyNode *locale = globals->get_locale();
1558 SGPropertyNode options_root;
1560 SG_LOG( SG_GENERAL, SG_ALERT, "" ); // To popup the console on Windows
1564 fgLoadProps("options.xml", &options_root);
1565 } catch (const sg_exception &ex) {
1566 cout << "Unable to read the help file." << endl;
1567 cout << "Make sure the file options.xml is located in the FlightGear base directory," << endl;
1568 cout << "and the location of the base directory is specified by setting $FG_ROOT or" << endl;
1569 cout << "by adding --fg-root=path as a program argument." << endl;
1574 SGPropertyNode *options = options_root.getNode("options");
1576 SG_LOG( SG_GENERAL, SG_ALERT,
1577 "Error reading options.xml: <options> directive not found." );
1581 SGPropertyNode *usage = locale->getNode(options->getStringValue("usage"));
1583 cout << "Usage: " << usage->getStringValue() << endl;
1586 vector<SGPropertyNode_ptr>section = options->getChildren("section");
1587 for (unsigned int j = 0; j < section.size(); j++) {
1590 vector<SGPropertyNode_ptr>option = section[j]->getChildren("option");
1591 for (unsigned int k = 0; k < option.size(); k++) {
1593 SGPropertyNode *name = option[k]->getNode("name");
1594 SGPropertyNode *short_name = option[k]->getNode("short");
1595 SGPropertyNode *key = option[k]->getNode("key");
1596 SGPropertyNode *arg = option[k]->getNode("arg");
1597 bool brief = option[k]->getNode("brief");
1599 if ((brief || verbose) && name) {
1600 string tmp = name->getStringValue();
1604 tmp.append(key->getStringValue());
1608 tmp.append(arg->getStringValue());
1612 tmp.append(short_name->getStringValue());
1616 if (tmp.size() <= 25) {
1617 snprintf(cstr, 96, " --%-27s", tmp.c_str());
1619 snprintf(cstr, 96, "\n --%s\n%32c", tmp.c_str(), ' ');
1622 // There may be more than one <description> tag assosiated
1626 vector<SGPropertyNode_ptr>desc =
1627 option[k]->getChildren("description");
1629 if (desc.size() > 0) {
1630 for ( unsigned int l = 0; l < desc.size(); l++) {
1632 // There may be more than one translation line.
1634 string t = desc[l]->getStringValue();
1635 SGPropertyNode *n = locale->getNode("strings");
1636 vector<SGPropertyNode_ptr>trans_desc =
1637 n->getChildren(t.substr(8).c_str());
1639 for ( unsigned int m = 0; m < trans_desc.size(); m++ ) {
1640 string t_str = trans_desc[m]->getStringValue();
1642 if ((m > 0) || ((l > 0) && m == 0)) {
1643 snprintf(cstr, 96, "%32c", ' ');
1648 // If the string is too large to fit on the screen,
1649 // then split it up in several pieces.
1651 while ( t_str.size() > 47 ) {
1653 unsigned int m = t_str.rfind(' ', 47);
1654 msg += t_str.substr(0, m);
1655 snprintf(cstr, 96, "\n%32c", ' ');
1658 t_str.erase(t_str.begin(), t_str.begin() + m + 1);
1660 msg += t_str + '\n';
1667 SGPropertyNode *name =
1668 locale->getNode(section[j]->getStringValue("name"));
1670 if (!msg.empty() && name) {
1671 cout << endl << name->getStringValue() << ":" << endl;
1679 cout << "For a complete list of options use --help --verbose" << endl;
1682 cout << "Hit a key to continue..." << endl;
1687 // A simple function to return an integer depending on the position
1688 // of the status string within the array in order to determine the hierarchy.
1689 unsigned int getNumMaturity(const char * str)
1691 // changes should also be reflected in $FG_ROOT/data/options.xml &
1692 // $FG_ROOT/data/Translations/string-default.xml
1693 const char levels[][20]= {"alpha","beta","early-production","production",0};
1695 for (unsigned int i=0; i<(sizeof(levels)/sizeof(levels[0])-1);i++)
1696 if (strcmp(str,levels[i])==0)
1703 static void fgSearchAircraft(const SGPath &path, string_list &aircraft,
1708 ulDir *dirp = ulOpenDir(path.str().c_str());
1710 cerr << "Unable to open aircraft directory." << endl;
1714 while ((dire = ulReadDir(dirp)) != NULL) {
1717 if (dire->d_isdir) {
1718 if (recursive && strcmp("CVS", dire->d_name)
1719 && strcmp(".", dire->d_name) && strcmp("..", dire->d_name))
1722 next.append(dire->d_name);
1724 fgSearchAircraft(next, aircraft, true);
1726 } else if ((ptr = strstr(dire->d_name, "-set.xml")) && (ptr[8] == '\0')) {
1728 SGPath afile = path;
1729 afile.append(dire->d_name);
1733 SGPropertyNode root;
1735 readProperties(afile.str(), &root);
1740 SGPropertyNode *desc = NULL;
1741 SGPropertyNode *status = NULL;
1743 SGPropertyNode *node = root.getNode("sim");
1745 desc = node->getNode("description");
1746 // if a status tag is found, read it in
1747 if (node->hasValue("status"))
1748 status = node->getNode("status");
1752 //additionally display status information where it is available
1754 if (strlen(dire->d_name) <= 27) {
1755 snprintf(cstr, 96, " %-27s %s", dire->d_name,
1756 (desc) ? desc->getStringValue() : "");
1759 snprintf(cstr, 96, " %-27s\n%32c%s", dire->d_name, ' ',
1760 (desc) ? desc->getStringValue() : "");
1763 SGPropertyNode * required_status
1764 = fgGetNode ("/sim/aircraft-min-status", true);
1766 // If the node holds the value "all", then there wasn't any status
1767 // level specified, so we simply go ahead and output ALL aircraft
1768 if (strcmp(required_status->getStringValue(),"all")==0) {
1769 aircraft.push_back(cstr);
1773 // If the node doesn't hold "all" as its value, then we are supposed
1774 // to show only aircraft meeting specific status (development status)
1777 if (node->hasValue("status")) {
1778 //Compare (minimally) required status level with actual aircraft status:
1779 if ( getNumMaturity(status->getStringValue() ) >=
1780 getNumMaturity(required_status->getStringValue() ) )
1781 aircraft.push_back(cstr); }
1793 * Search in the current directory, and in on directory deeper
1794 * for <aircraft>-set.xml configuration files and show the aircaft name
1795 * and the contents of the<description> tag in a sorted manner.
1797 * @parampath the directory to search for configuration files
1798 * @param recursive defines whether the directory should be searched recursively
1800 void fgShowAircraft(const SGPath &path, bool recursive) {
1801 string_list aircraft;
1803 fgSearchAircraft( path, aircraft, recursive );
1805 sort(aircraft.begin(), aircraft.end());
1806 SG_LOG( SG_GENERAL, SG_ALERT, "" ); // To popup the console on Windows
1807 cout << "Available aircraft:" << endl;
1808 for ( unsigned int i = 0; i < aircraft.size(); i++ ) {
1809 cout << aircraft[i] << endl;
1812 cout << "Hit a key to continue..." << endl;