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/audible", true);
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;
538 // Parse --wp=ID[@alt]
540 parse_wp( const string& arg ) {
544 string::size_type pos = arg.find( "@" );
545 if ( pos != string::npos ) {
546 id = arg.substr( 0, pos );
547 alt_str = arg.substr( pos + 1 );
548 // cout << "id str = " << id << " alt str = " << alt_str << endl;
549 alt = atof( alt_str.c_str() );
550 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") ) {
551 alt *= SG_FEET_TO_METER;
558 if ( fgFindAirportID( id, &a ) ) {
559 FGRouteMgr *rm = (FGRouteMgr *)globals->get_subsystem("route-manager");
560 SGWayPoint wp( a.longitude, a.latitude, alt, SGWayPoint::WGS84, id );
561 rm->add_waypoint( wp );
570 // Parse --flight-plan=[file]
572 parse_flightplan(const string& arg)
574 sg_gzifstream in(arg.c_str());
575 if ( !in.is_open() ) {
581 #if defined( macintosh )
582 getline( in, line, '\r' );
584 getline( in, line, '\n' );
587 // catch extraneous (DOS) line ending character
588 if ( line[line.length() - 1] < 32 ) {
589 line = line.substr( 0, line.length()-1 );
602 fgOptLanguage( const char *arg )
604 globals->set_locale( fgInitLocale( arg ) );
605 return FG_OPTIONS_OK;
611 fgSetString("/sim/presets/airport-id", "");
612 fgSetString("/sim/presets/vor-id", "");
613 fgSetString("/sim/presets/ndb-id", "");
614 fgSetString("/sim/presets/fix", "");
618 fgOptVOR( const char * arg )
621 fgSetString("/sim/presets/vor-id", arg);
622 return FG_OPTIONS_OK;
626 fgOptNDB( const char * arg )
629 fgSetString("/sim/presets/ndb-id", arg);
630 return FG_OPTIONS_OK;
634 fgOptFIX( const char * arg )
637 fgSetString("/sim/presets/fix", arg);
638 return FG_OPTIONS_OK;
642 fgOptLon( const char *arg )
645 fgSetDouble("/sim/presets/longitude-deg", parse_degree( arg ));
646 fgSetDouble("/position/longitude-deg", parse_degree( arg ));
647 return FG_OPTIONS_OK;
651 fgOptLat( const char *arg )
654 fgSetDouble("/sim/presets/latitude-deg", parse_degree( arg ));
655 fgSetDouble("/position/latitude-deg", parse_degree( arg ));
656 return FG_OPTIONS_OK;
660 fgOptAltitude( const char *arg )
662 fgSetBool("/sim/presets/onground", false);
663 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
664 fgSetDouble("/sim/presets/altitude-ft", atof( arg ));
666 fgSetDouble("/sim/presets/altitude-ft",
667 atof( arg ) * SG_METER_TO_FEET);
668 return FG_OPTIONS_OK;
672 fgOptUBody( const char *arg )
674 fgSetString("/sim/presets/speed-set", "UVW");
675 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
676 fgSetDouble("/sim/presets/uBody-fps", atof( arg ));
678 fgSetDouble("/sim/presets/uBody-fps",
679 atof( arg ) * SG_METER_TO_FEET);
680 return FG_OPTIONS_OK;
684 fgOptVBody( const char *arg )
686 fgSetString("/sim/presets/speed-set", "UVW");
687 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
688 fgSetDouble("/sim/presets/vBody-fps", atof( arg ));
690 fgSetDouble("/sim/presets/vBody-fps",
691 atof( arg ) * SG_METER_TO_FEET);
692 return FG_OPTIONS_OK;
696 fgOptWBody( const char *arg )
698 fgSetString("/sim/presets/speed-set", "UVW");
699 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
700 fgSetDouble("/sim/presets/wBody-fps", atof(arg));
702 fgSetDouble("/sim/presets/wBody-fps",
703 atof(arg) * SG_METER_TO_FEET);
704 return FG_OPTIONS_OK;
708 fgOptVNorth( const char *arg )
710 fgSetString("/sim/presets/speed-set", "NED");
711 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
712 fgSetDouble("/sim/presets/speed-north-fps", atof( arg ));
714 fgSetDouble("/sim/presets/speed-north-fps",
715 atof( arg ) * SG_METER_TO_FEET);
716 return FG_OPTIONS_OK;
720 fgOptVEast( const char *arg )
722 fgSetString("/sim/presets/speed-set", "NED");
723 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
724 fgSetDouble("/sim/presets/speed-east-fps", atof(arg));
726 fgSetDouble("/sim/presets/speed-east-fps",
727 atof(arg) * SG_METER_TO_FEET);
728 return FG_OPTIONS_OK;
732 fgOptVDown( const char *arg )
734 fgSetString("/sim/presets/speed-set", "NED");
735 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
736 fgSetDouble("/sim/presets/speed-down-fps", atof(arg));
738 fgSetDouble("/sim/presets/speed-down-fps",
739 atof(arg) * SG_METER_TO_FEET);
740 return FG_OPTIONS_OK;
744 fgOptVc( const char *arg )
746 // fgSetString("/sim/presets/speed-set", "knots");
747 // fgSetDouble("/velocities/airspeed-kt", atof(arg.substr(5)));
748 fgSetString("/sim/presets/speed-set", "knots");
749 fgSetDouble("/sim/presets/airspeed-kt", atof(arg));
750 return FG_OPTIONS_OK;
754 fgOptMach( const char *arg )
756 fgSetString("/sim/presets/speed-set", "mach");
757 fgSetDouble("/sim/presets/mach", atof(arg));
758 return FG_OPTIONS_OK;
762 fgOptRoc( const char *arg )
764 fgSetDouble("/velocities/vertical-speed-fps", atof(arg)/60);
765 return FG_OPTIONS_OK;
769 fgOptFgRoot( const char *arg )
771 globals->set_fg_root(arg);
772 return FG_OPTIONS_OK;
776 fgOptFgScenery( const char *arg )
778 globals->set_fg_scenery(arg);
779 return FG_OPTIONS_OK;
783 fgOptFov( const char *arg )
786 return FG_OPTIONS_OK;
790 fgOptGeometry( const char *arg )
792 bool geometry_ok = true;
793 int xsize = 0, ysize = 0;
794 string geometry = arg;
795 string::size_type i = geometry.find('x');
797 if (i != string::npos) {
798 xsize = atoi(geometry.substr(0, i));
799 ysize = atoi(geometry.substr(i+1));
804 if ( xsize <= 0 || ysize <= 0 ) {
810 if ( !geometry_ok ) {
811 SG_LOG( SG_GENERAL, SG_ALERT, "Unknown geometry: " << geometry );
812 SG_LOG( SG_GENERAL, SG_ALERT,
813 "Setting geometry to " << xsize << 'x' << ysize << '\n');
815 SG_LOG( SG_GENERAL, SG_INFO,
816 "Setting geometry to " << xsize << 'x' << ysize << '\n');
817 fgSetInt("/sim/startup/xsize", xsize);
818 fgSetInt("/sim/startup/ysize", ysize);
820 return FG_OPTIONS_OK;
824 fgOptBpp( const char *arg )
826 string bits_per_pix = arg;
827 if ( bits_per_pix == "16" ) {
828 fgSetInt("/sim/rendering/bits-per-pixel", 16);
829 } else if ( bits_per_pix == "24" ) {
830 fgSetInt("/sim/rendering/bits-per-pixel", 24);
831 } else if ( bits_per_pix == "32" ) {
832 fgSetInt("/sim/rendering/bits-per-pixel", 32);
834 SG_LOG(SG_GENERAL, SG_ALERT, "Unsupported bpp " << bits_per_pix);
836 return FG_OPTIONS_OK;
840 fgOptTimeOffset( const char *arg )
842 fgSetInt("/sim/startup/time-offset",
843 parse_time_offset( arg ));
844 fgSetString("/sim/startup/time-offset-type", "system-offset");
845 return FG_OPTIONS_OK;
849 fgOptStartDateSys( const char *arg )
851 fgSetInt("/sim/startup/time-offset", parse_date( arg ) );
852 fgSetString("/sim/startup/time-offset-type", "system");
853 return FG_OPTIONS_OK;
857 fgOptStartDateLat( const char *arg )
859 fgSetInt("/sim/startup/time-offset", parse_date( arg ) );
860 fgSetString("/sim/startup/time-offset-type", "latitude");
861 return FG_OPTIONS_OK;
865 fgOptStartDateGmt( const char *arg )
867 fgSetInt("/sim/startup/time-offset", parse_date( arg ) );
868 fgSetString("/sim/startup/time-offset-type", "gmt");
869 return FG_OPTIONS_OK;
873 fgOptTraceRead( const char *arg )
876 SG_LOG(SG_GENERAL, SG_INFO, "Tracing reads for property " << name);
877 fgGetNode(name.c_str(), true)
878 ->setAttribute(SGPropertyNode::TRACE_READ, true);
879 return FG_OPTIONS_OK;
883 fgOptLogLevel( const char *arg )
885 fgSetString("/sim/logging/classes", "all");
886 fgSetString("/sim/logging/priority", arg);
888 string priority = arg;
889 logbuf::set_log_classes(SG_ALL);
890 if (priority == "bulk") {
891 logbuf::set_log_priority(SG_BULK);
892 } else if (priority == "debug") {
893 logbuf::set_log_priority(SG_DEBUG);
894 } else if (priority == "info") {
895 logbuf::set_log_priority(SG_INFO);
896 } else if (priority == "warn") {
897 logbuf::set_log_priority(SG_WARN);
898 } else if (priority == "alert") {
899 logbuf::set_log_priority(SG_ALERT);
901 SG_LOG(SG_GENERAL, SG_WARN, "Unknown logging priority " << priority);
903 SG_LOG(SG_GENERAL, SG_DEBUG, "Logging priority is " << priority);
905 return FG_OPTIONS_OK;
910 fgOptTraceWrite( const char *arg )
913 SG_LOG(SG_GENERAL, SG_INFO, "Tracing writes for property " << name);
914 fgGetNode(name.c_str(), true)
915 ->setAttribute(SGPropertyNode::TRACE_WRITE, true);
916 return FG_OPTIONS_OK;
920 fgOptViewOffset( const char *arg )
922 // $$$ begin - added VS Renganathan, 14 Oct 2K
923 // for multi-window outside window imagery
924 string woffset = arg;
925 double default_view_offset = 0.0;
926 if ( woffset == "LEFT" ) {
927 default_view_offset = SGD_PI * 0.25;
928 } else if ( woffset == "RIGHT" ) {
929 default_view_offset = SGD_PI * 1.75;
930 } else if ( woffset == "CENTER" ) {
931 default_view_offset = 0.00;
933 default_view_offset = atof( woffset.c_str() ) * SGD_DEGREES_TO_RADIANS;
935 /* apparently not used (CLO, 11 Jun 2002)
936 FGViewer *pilot_view =
937 (FGViewer *)globals->get_viewmgr()->get_view( 0 ); */
938 // this will work without calls to the viewer...
939 fgSetDouble( "/sim/current-view/heading-offset-deg",
940 default_view_offset * SGD_RADIANS_TO_DEGREES );
941 // $$$ end - added VS Renganathan, 14 Oct 2K
942 return FG_OPTIONS_OK;
946 fgOptVisibilityMeters( const char *arg )
948 double visibility = atof( arg );
949 fgDefaultWeatherValue("visibility-m", visibility);
950 return FG_OPTIONS_OK;
954 fgOptVisibilityMiles( const char *arg )
956 double visibility = atof( arg ) * 5280.0 * SG_FEET_TO_METER;
957 fgDefaultWeatherValue("visibility-m", visibility);
958 return FG_OPTIONS_OK;
962 fgOptRandomWind( const char *arg )
964 double min_hdg = sg_random() * 360.0;
965 double max_hdg = min_hdg + (20 - sqrt(sg_random() * 400));
966 double speed = sg_random() * sg_random() * 40;
967 double gust = speed + (10 - sqrt(sg_random() * 100));
968 fgSetupWind(min_hdg, max_hdg, speed, gust);
969 return FG_OPTIONS_OK;
973 fgOptWind( const char *arg )
975 double min_hdg, max_hdg, speed, gust;
976 if (!parse_wind( arg, &min_hdg, &max_hdg, &speed, &gust)) {
977 SG_LOG( SG_GENERAL, SG_ALERT, "bad wind value " << arg );
978 return FG_OPTIONS_ERROR;
980 fgSetupWind(min_hdg, max_hdg, speed, gust);
981 return FG_OPTIONS_OK;
985 fgOptTurbulence( const char *arg )
987 fgDefaultWeatherValue("turbulence/magnitude-norm", atof(arg));
988 return FG_OPTIONS_OK;
992 fgOptCeiling( const char *arg )
994 double elevation, thickness;
996 string::size_type pos = spec.find(':');
997 if (pos == string::npos) {
998 elevation = atof(spec.c_str());
1001 elevation = atof(spec.substr(0, pos).c_str());
1002 thickness = atof(spec.substr(pos + 1).c_str());
1004 fgSetDouble("/environment/clouds/layer[0]/elevation-ft", elevation);
1005 fgSetDouble("/environment/clouds/layer[0]/thickness-ft", thickness);
1006 fgSetString("/environment/clouds/layer[0]/coverage", "overcast");
1007 return FG_OPTIONS_OK;
1011 fgOptWp( const char *arg )
1014 return FG_OPTIONS_OK;
1018 fgOptFlightPlan( const char *arg )
1020 parse_flightplan ( arg );
1021 return FG_OPTIONS_OK;
1025 fgOptConfig( const char *arg )
1029 readProperties(file, globals->get_props());
1030 } catch (const sg_exception &e) {
1031 string message = "Error loading config file: ";
1032 message += e.getFormattedMessage();
1033 SG_LOG(SG_INPUT, SG_ALERT, message);
1036 return FG_OPTIONS_OK;
1040 parse_colon (const string &s, double * val1, double * val2)
1042 string::size_type pos = s.find(':');
1043 if (pos == string::npos) {
1047 *val1 = atof(s.substr(0, pos).c_str());
1048 *val2 = atof(s.substr(pos+1).c_str());
1055 fgOptFailure( const char * arg )
1059 fgSetBool("/systems/pitot/serviceable", false);
1060 } else if (a == "static") {
1061 fgSetBool("/systems/static/serviceable", false);
1062 } else if (a == "vacuum") {
1063 fgSetBool("/systems/vacuum/serviceable", false);
1064 } else if (a == "electrical") {
1065 fgSetBool("/systems/electrical/serviceable", false);
1067 SG_LOG(SG_INPUT, SG_ALERT, "Unknown failure mode: " << a);
1068 return FG_OPTIONS_ERROR;
1071 return FG_OPTIONS_OK;
1076 fgOptNAV1( const char * arg )
1078 double radial, freq;
1079 if (parse_colon(arg, &radial, &freq))
1080 fgSetDouble("/radios/nav[0]/radials/selected-deg", radial);
1081 fgSetDouble("/radios/nav[0]/frequencies/selected-mhz", freq);
1082 return FG_OPTIONS_OK;
1086 fgOptNAV2( const char * arg )
1088 double radial, freq;
1089 if (parse_colon(arg, &radial, &freq))
1090 fgSetDouble("/radios/nav[1]/radials/selected-deg", radial);
1091 fgSetDouble("/radios/nav[1]/frequencies/selected-mhz", freq);
1092 return FG_OPTIONS_OK;
1096 fgOptADF( const char * arg )
1099 if (parse_colon(arg, &rot, &freq))
1100 fgSetDouble("/instrumentation/adf/rotation-deg", rot);
1101 fgSetDouble("/instrumentation/adf/frequencies/selected-khz", freq);
1102 return FG_OPTIONS_OK;
1106 fgOptDME( const char *arg )
1109 if (opt == "nav1") {
1110 fgSetInt("/instrumentation/dme/switch-position", 1);
1111 fgSetString("/instrumentation/dme/frequencies/source",
1112 "/radios/nav[0]/frequencies/selected-mhz");
1113 } else if (opt == "nav2") {
1114 fgSetInt("/instrumentation/dme/switch-position", 3);
1115 fgSetString("/instrumentation/dme/frequencies/source",
1116 "/radios/nav[1]/frequencies/selected-mhz");
1118 fgSetInt("/instrumentation/dme/switch-position", 2);
1119 fgSetString("/instrumentation/dme/frequencies/source",
1120 "/instrumentation/dme/frequencies/selected-mhz");
1121 fgSetString("/instrumentation/dme/frequencies/selected-mhz", arg);
1123 return FG_OPTIONS_OK;
1126 static map<string,size_t> fgOptionMap;
1129 option has_param type property b_param s_param func
1132 option : name of the option
1133 has_param : option is --name=value if true or --name if false
1134 type : OPTION_BOOL - property is a boolean
1135 OPTION_STRING - property is a string
1136 OPTION_DOUBLE - property is a double
1137 OPTION_INT - property is an integer
1138 OPTION_CHANNEL - name of option is the name of a channel
1139 OPTION_FUNC - the option trigger a function
1140 b_param : if type==OPTION_BOOL,
1141 value set to the property (has_param is false for boolean)
1142 s_param : if type==OPTION_STRING,
1143 value set to the property if has_param is false
1144 func : function called if type==OPTION_FUNC. if has_param is true,
1145 the value is passed to the function as a string, otherwise,
1148 For OPTION_DOUBLE and OPTION_INT, the parameter value is converted into a
1149 double or an integer and set to the property.
1151 For OPTION_CHANNEL, add_channel is called with the parameter value as the
1155 enum OptionType { OPTION_BOOL, OPTION_STRING, OPTION_DOUBLE, OPTION_INT, OPTION_CHANNEL, OPTION_FUNC };
1159 enum OptionType type;
1163 int (*func)( const char * );
1164 } fgOptionArray[] = {
1166 {"language", true, OPTION_FUNC, "", false, "", fgOptLanguage },
1167 {"disable-game-mode", false, OPTION_BOOL, "/sim/startup/game-mode", false, "", 0 },
1168 {"enable-game-mode", false, OPTION_BOOL, "/sim/startup/game-mode", true, "", 0 },
1169 {"disable-splash-screen", false, OPTION_BOOL, "/sim/startup/splash-screen", false, "", 0 },
1170 {"enable-splash-screen", false, OPTION_BOOL, "/sim/startup/splash-screen", true, "", 0 },
1171 {"disable-intro-music", false, OPTION_BOOL, "/sim/startup/intro-music", false, "", 0 },
1172 {"enable-intro-music", false, OPTION_BOOL, "/sim/startup/intro-music", true, "", 0 },
1173 {"disable-mouse-pointer", false, OPTION_STRING, "/sim/startup/mouse-pointer", false, "disabled", 0 },
1174 {"enable-mouse-pointer", false, OPTION_STRING, "/sim/startup/mouse-pointer", false, "enabled", 0 },
1175 {"disable-random-objects", false, OPTION_BOOL, "/sim/rendering/random-objects", false, "", 0 },
1176 {"enable-random-objects", false, OPTION_BOOL, "/sim/rendering/random-objects", true, "", 0 },
1177 {"disable-freeze", false, OPTION_BOOL, "/sim/freeze/master", false, "", 0 },
1178 {"enable-freeze", false, OPTION_BOOL, "/sim/freeze/master", true, "", 0 },
1179 {"disable-fuel-freeze", false, OPTION_BOOL, "/sim/freeze/fuel", false, "", 0 },
1180 {"enable-fuel-freeze", false, OPTION_BOOL, "/sim/freeze/fuel", true, "", 0 },
1181 {"disable-clock-freeze", false, OPTION_BOOL, "/sim/freeze/clock", false, "", 0 },
1182 {"enable-clock-freeze", false, OPTION_BOOL, "/sim/freeze/clock", true, "", 0 },
1183 {"disable-hud-3d", false, OPTION_BOOL, "/sim/hud/enable3d", false, "", 0 },
1184 {"enable-hud-3d", false, OPTION_BOOL, "/sim/hud/enable3d", true, "", 0 },
1185 {"disable-anti-alias-hud", false, OPTION_BOOL, "/sim/hud/antialiased", false, "", 0 },
1186 {"enable-anti-alias-hud", false, OPTION_BOOL, "/sim/hud/antialiased", true, "", 0 },
1187 {"control", true, OPTION_STRING, "/sim/control-mode", false, "", 0 },
1188 {"disable-auto-coordination", false, OPTION_BOOL, "/sim/auto-coordination", false, "", 0 },
1189 {"enable-auto-coordination", false, OPTION_BOOL, "/sim/auto-coordination", true, "", 0 },
1190 {"browser-app", true, OPTION_STRING, "/sim/startup/browser-app", false, "", 0 },
1191 {"disable-hud", false, OPTION_BOOL, "/sim/hud/visibility", false, "", 0 },
1192 {"enable-hud", false, OPTION_BOOL, "/sim/hud/visibility", true, "", 0 },
1193 {"disable-panel", false, OPTION_BOOL, "/sim/panel/visibility", false, "", 0 },
1194 {"enable-panel", false, OPTION_BOOL, "/sim/panel/visibility", true, "", 0 },
1195 {"disable-sound", false, OPTION_BOOL, "/sim/sound/audible", false, "", 0 },
1196 {"enable-sound", false, OPTION_BOOL, "/sim/sound/audible", true, "", 0 },
1197 {"airport", true, OPTION_STRING, "/sim/presets/airport-id", false, "", 0 },
1198 {"airport-id", true, OPTION_STRING, "/sim/presets/airport-id", false, "", 0 },
1199 {"runway", true, OPTION_STRING, "/sim/presets/runway", false, "", 0 },
1200 {"vor", true, OPTION_FUNC, "", false, "", fgOptVOR },
1201 {"ndb", true, OPTION_FUNC, "", false, "", fgOptNDB },
1202 {"fix", true, OPTION_FUNC, "", false, "", fgOptFIX },
1203 {"offset-distance", true, OPTION_DOUBLE, "/sim/presets/offset-distance", false, "", 0 },
1204 {"offset-azimuth", true, OPTION_DOUBLE, "/sim/presets/offset-azimuth", false, "", 0 },
1205 {"lon", true, OPTION_FUNC, "", false, "", fgOptLon },
1206 {"lat", true, OPTION_FUNC, "", false, "", fgOptLat },
1207 {"altitude", true, OPTION_FUNC, "", false, "", fgOptAltitude },
1208 {"uBody", true, OPTION_FUNC, "", false, "", fgOptUBody },
1209 {"vBody", true, OPTION_FUNC, "", false, "", fgOptVBody },
1210 {"wBody", true, OPTION_FUNC, "", false, "", fgOptWBody },
1211 {"vNorth", true, OPTION_FUNC, "", false, "", fgOptVNorth },
1212 {"vEast", true, OPTION_FUNC, "", false, "", fgOptVEast },
1213 {"vDown", true, OPTION_FUNC, "", false, "", fgOptVDown },
1214 {"vc", true, OPTION_FUNC, "", false, "", fgOptVc },
1215 {"mach", true, OPTION_FUNC, "", false, "", fgOptMach },
1216 {"heading", true, OPTION_DOUBLE, "/sim/presets/heading-deg", false, "", 0 },
1217 {"roll", true, OPTION_DOUBLE, "/sim/presets/roll-deg", false, "", 0 },
1218 {"pitch", true, OPTION_DOUBLE, "/sim/presets/pitch-deg", false, "", 0 },
1219 {"glideslope", true, OPTION_DOUBLE, "/sim/presets/glideslope-deg", false, "", 0 },
1220 {"roc", true, OPTION_FUNC, "", false, "", fgOptRoc },
1221 {"fg-root", true, OPTION_FUNC, "", false, "", fgOptFgRoot },
1222 {"fg-scenery", true, OPTION_FUNC, "", false, "", fgOptFgScenery },
1223 {"fdm", true, OPTION_STRING, "/sim/flight-model", false, "", 0 },
1224 {"aero", true, OPTION_STRING, "/sim/aero", false, "", 0 },
1225 {"aircraft-dir", true, OPTION_STRING, "/sim/aircraft-dir", false, "", 0 },
1226 {"model-hz", true, OPTION_INT, "/sim/model-hz", false, "", 0 },
1227 {"speed", true, OPTION_INT, "/sim/speed-up", false, "", 0 },
1228 {"trim", false, OPTION_BOOL, "/sim/presets/trim", true, "", 0 },
1229 {"notrim", false, OPTION_BOOL, "/sim/presets/trim", false, "", 0 },
1230 {"on-ground", false, OPTION_BOOL, "/sim/presets/onground", true, "", 0 },
1231 {"in-air", false, OPTION_BOOL, "/sim/presets/onground", false, "", 0 },
1232 {"fog-disable", false, OPTION_STRING, "/sim/rendering/fog", false, "disabled", 0 },
1233 {"fog-fastest", false, OPTION_STRING, "/sim/rendering/fog", false, "fastest", 0 },
1234 {"fog-nicest", false, OPTION_STRING, "/sim/rendering/fog", false, "nicest", 0 },
1235 {"disable-horizon-effect", false, OPTION_BOOL, "/sim/rendering/horizon-effect", false, "", 0 },
1236 {"enable-horizon-effect", false, OPTION_BOOL, "/sim/rendering/horizon-effect", true, "", 0 },
1237 {"disable-enhanced-lighting", false, OPTION_BOOL, "/sim/rendering/enhanced-lighting", false, "", 0 },
1238 {"enable-enhanced-lighting", false, OPTION_BOOL, "/sim/rendering/enhanced-lighting", true, "", 0 },
1239 {"disable-distance-attenuation", false, OPTION_BOOL, "/sim/rendering/distance-attenuation", false, "", 0 },
1240 {"enable-distance-attenuation", false, OPTION_BOOL, "/sim/rendering/distance-attenuation", true, "", 0 },
1241 {"disable-specular-highlight", false, OPTION_BOOL, "/sim/rendering/specular-highlight", false, "", 0 },
1242 {"enable-specular-highlight", false, OPTION_BOOL, "/sim/rendering/specular-highlight", true, "", 0 },
1243 {"disable-clouds", false, OPTION_BOOL, "/environment/clouds/status", false, "", 0 },
1244 {"enable-clouds", false, OPTION_BOOL, "/environment/clouds/status", true, "", 0 },
1245 #ifdef FG_USE_CLOUDS_3D
1246 {"disable-clouds3d", false, OPTION_BOOL, "/sim/rendering/clouds3d", false, "", 0 },
1247 {"enable-clouds3d", false, OPTION_BOOL, "/sim/rendering/clouds3d", true, "", 0 },
1249 {"fov", true, OPTION_FUNC, "", false, "", fgOptFov },
1250 {"disable-fullscreen", false, OPTION_BOOL, "/sim/startup/fullscreen", false, "", 0 },
1251 {"enable-fullscreen", false, OPTION_BOOL, "/sim/startup/fullscreen", true, "", 0 },
1252 {"shading-flat", false, OPTION_BOOL, "/sim/rendering/shading", false, "", 0 },
1253 {"shading-smooth", false, OPTION_BOOL, "/sim/rendering/shading", true, "", 0 },
1254 {"disable-skyblend", false, OPTION_BOOL, "/sim/rendering/skyblend", false, "", 0 },
1255 {"enable-skyblend", false, OPTION_BOOL, "/sim/rendering/skyblend", true, "", 0 },
1256 {"disable-textures", false, OPTION_BOOL, "/sim/rendering/textures", false, "", 0 },
1257 {"enable-textures", false, OPTION_BOOL, "/sim/rendering/textures", true, "", 0 },
1258 {"disable-wireframe", false, OPTION_BOOL, "/sim/rendering/wireframe", false, "", 0 },
1259 {"enable-wireframe", false, OPTION_BOOL, "/sim/rendering/wireframe", true, "", 0 },
1260 {"geometry", true, OPTION_FUNC, "", false, "", fgOptGeometry },
1261 {"bpp", true, OPTION_FUNC, "", false, "", fgOptBpp },
1262 {"units-feet", false, OPTION_STRING, "/sim/startup/units", false, "feet", 0 },
1263 {"units-meters", false, OPTION_STRING, "/sim/startup/units", false, "meters", 0 },
1264 {"timeofday", true, OPTION_STRING, "/sim/startup/time-offset-type", false, "noon", 0 },
1265 {"time-offset", true, OPTION_FUNC, "", false, "", fgOptTimeOffset },
1266 {"time-match-real", false, OPTION_STRING, "/sim/startup/time-offset-type", false, "system-offset", 0 },
1267 {"time-match-local", false, OPTION_STRING, "/sim/startup/time-offset-type", false, "latitude-offset", 0 },
1268 {"start-date-sys", true, OPTION_FUNC, "", false, "", fgOptStartDateSys },
1269 {"start-date-lat", true, OPTION_FUNC, "", false, "", fgOptStartDateLat },
1270 {"start-date-gmt", true, OPTION_FUNC, "", false, "", fgOptStartDateGmt },
1271 {"hud-tris", false, OPTION_STRING, "/sim/hud/frame-stat-type", false, "tris", 0 },
1272 {"hud-culled", false, OPTION_STRING, "/sim/hud/frame-stat-type", false, "culled", 0 },
1273 {"atc610x", true, OPTION_CHANNEL, "", false, "dummy", 0 },
1274 {"atlas", true, OPTION_CHANNEL, "", false, "", 0 },
1275 {"httpd", true, OPTION_CHANNEL, "", false, "", 0 },
1276 #ifdef FG_JPEG_SERVER
1277 {"jpg-httpd", true, OPTION_CHANNEL, "", false, "", 0 },
1279 {"native", true, OPTION_CHANNEL, "", false, "", 0 },
1280 {"native-ctrls", true, OPTION_CHANNEL, "", false, "", 0 },
1281 {"native-fdm", true, OPTION_CHANNEL, "", false, "", 0 },
1282 {"native-gui", true, OPTION_CHANNEL, "", false, "", 0 },
1283 {"opengc", true, OPTION_CHANNEL, "", false, "", 0 },
1284 {"garmin", true, OPTION_CHANNEL, "", false, "", 0 },
1285 {"nmea", true, OPTION_CHANNEL, "", false, "", 0 },
1286 {"generic", true, OPTION_CHANNEL, "", false, "", 0 },
1287 {"props", true, OPTION_CHANNEL, "", false, "", 0 },
1288 {"telnet", true, OPTION_CHANNEL, "", false, "", 0 },
1289 {"pve", true, OPTION_CHANNEL, "", false, "", 0 },
1290 {"ray", true, OPTION_CHANNEL, "", false, "", 0 },
1291 {"rul", true, OPTION_CHANNEL, "", false, "", 0 },
1292 {"joyclient", true, OPTION_CHANNEL, "", false, "", 0 },
1293 {"jsclient", true, OPTION_CHANNEL, "", false, "", 0 },
1294 #ifdef FG_MPLAYER_AS
1295 {"callsign", true, OPTION_STRING, "sim/multiplay/callsign", false, "", 0 },
1296 {"multiplay", true, OPTION_CHANNEL, "", false, "", 0 },
1298 {"trace-read", true, OPTION_FUNC, "", false, "", fgOptTraceRead },
1299 {"trace-write", true, OPTION_FUNC, "", false, "", fgOptTraceWrite },
1300 {"log-level", true, OPTION_FUNC, "", false, "", fgOptLogLevel },
1301 {"view-offset", true, OPTION_FUNC, "", false, "", fgOptViewOffset },
1302 {"visibility", true, OPTION_FUNC, "", false, "", fgOptVisibilityMeters },
1303 {"visibility-miles", true, OPTION_FUNC, "", false, "", fgOptVisibilityMiles },
1304 {"random-wind", false, OPTION_FUNC, "", false, "", fgOptRandomWind },
1305 {"wind", true, OPTION_FUNC, "", false, "", fgOptWind },
1306 {"turbulence", true, OPTION_FUNC, "", false, "", fgOptTurbulence },
1307 {"ceiling", true, OPTION_FUNC, "", false, "", fgOptCeiling },
1308 {"wp", true, OPTION_FUNC, "", false, "", fgOptWp },
1309 {"flight-plan", true, OPTION_FUNC, "", false, "", fgOptFlightPlan },
1310 {"config", true, OPTION_FUNC, "", false, "", fgOptConfig },
1311 {"aircraft", true, OPTION_STRING, "/sim/aircraft", false, "", 0 },
1312 {"failure", true, OPTION_FUNC, "", false, "", fgOptFailure },
1313 {"com1", true, OPTION_DOUBLE, "/radios/comm[0]/frequencies/selected-mhz", false, "", 0 },
1314 {"com2", true, OPTION_DOUBLE, "/radios/comm[1]/frequencies/selected-mhz", false, "", 0 },
1315 {"nav1", true, OPTION_FUNC, "", false, "", fgOptNAV1 },
1316 {"nav2", true, OPTION_FUNC, "", false, "", fgOptNAV2 },
1317 {"adf", true, OPTION_FUNC, "", false, "", fgOptADF },
1318 {"dme", true, OPTION_FUNC, "", false, "", fgOptDME },
1323 // Parse a single option
1325 parse_option (const string& arg)
1327 if ( fgOptionMap.size() == 0 ) {
1329 OptionDesc *pt = &fgOptionArray[ 0 ];
1330 while ( pt->option != 0 ) {
1331 fgOptionMap[ pt->option ] = i;
1338 if ( (arg == "--help") || (arg == "-h") ) {
1339 // help/usage request
1340 return(FG_OPTIONS_HELP);
1341 } else if ( (arg == "--verbose") || (arg == "-v") ) {
1342 // verbose help/usage request
1343 return(FG_OPTIONS_VERBOSE_HELP);
1344 } else if ( arg.find( "--show-aircraft") == 0) {
1345 return(FG_OPTIONS_SHOW_AIRCRAFT);
1346 } else if ( arg.find( "--prop:" ) == 0 ) {
1347 string assign = arg.substr(7);
1348 string::size_type pos = assign.find('=');
1349 if ( pos == arg.npos || pos == 0 ) {
1350 SG_LOG( SG_GENERAL, SG_ALERT, "Bad property assignment: " << arg );
1351 return FG_OPTIONS_ERROR;
1353 string name = assign.substr(0, pos);
1354 string value = assign.substr(pos + 1);
1355 fgSetString(name.c_str(), value.c_str());
1356 // SG_LOG(SG_GENERAL, SG_INFO, "Setting default value of property "
1357 // << name << " to \"" << value << '"');
1358 } else if ( arg.find( "--" ) == 0 ) {
1359 size_t pos = arg.find( '=' );
1361 if ( pos == string::npos ) {
1362 arg_name = arg.substr( 2 );
1364 arg_name = arg.substr( 2, pos - 2 );
1366 map<string,size_t>::iterator it = fgOptionMap.find( arg_name );
1367 if ( it != fgOptionMap.end() ) {
1368 OptionDesc *pt = &fgOptionArray[ it->second ];
1369 switch ( pt->type ) {
1371 fgSetBool( pt->property, pt->b_param );
1374 if ( pt->has_param && pos != string::npos ) {
1375 fgSetString( pt->property, arg.substr( pos + 1 ).c_str() );
1376 } else if ( !pt->has_param && pos == string::npos ) {
1377 fgSetString( pt->property, pt->s_param );
1378 } else if ( pt->has_param ) {
1379 SG_LOG( SG_GENERAL, SG_ALERT, "Option '" << arg << "' needs a parameter" );
1380 return FG_OPTIONS_ERROR;
1382 SG_LOG( SG_GENERAL, SG_ALERT, "Option '" << arg << "' does not have a parameter" );
1383 return FG_OPTIONS_ERROR;
1387 if ( pos != string::npos ) {
1388 fgSetDouble( pt->property, atof( arg.substr( pos + 1 ) ) );
1390 SG_LOG( SG_GENERAL, SG_ALERT, "Option '" << arg << "' needs a parameter" );
1391 return FG_OPTIONS_ERROR;
1395 if ( pos != string::npos ) {
1396 fgSetInt( pt->property, atoi( arg.substr( pos + 1 ) ) );
1398 SG_LOG( SG_GENERAL, SG_ALERT, "Option '" << arg << "' needs a parameter" );
1399 return FG_OPTIONS_ERROR;
1402 case OPTION_CHANNEL:
1403 if ( pt->has_param && pos != string::npos ) {
1404 add_channel( pt->option, arg.substr( pos + 1 ) );
1405 } else if ( !pt->has_param && pos == string::npos ) {
1406 add_channel( pt->option, pt->s_param );
1407 } else if ( pt->has_param ) {
1408 SG_LOG( SG_GENERAL, SG_ALERT, "Option '" << arg << "' needs a parameter" );
1409 return FG_OPTIONS_ERROR;
1411 SG_LOG( SG_GENERAL, SG_ALERT, "Option '" << arg << "' does not have a parameter" );
1412 return FG_OPTIONS_ERROR;
1416 if ( pt->has_param && pos != string::npos ) {
1417 return pt->func( arg.substr( pos + 1 ).c_str() );
1418 } else if ( !pt->has_param && pos == string::npos ) {
1419 return pt->func( 0 );
1420 } else if ( pt->has_param ) {
1421 SG_LOG( SG_GENERAL, SG_ALERT, "Option '" << arg << "' needs a parameter" );
1422 return FG_OPTIONS_ERROR;
1424 SG_LOG( SG_GENERAL, SG_ALERT, "Option '" << arg << "' does not have a parameter" );
1425 return FG_OPTIONS_ERROR;
1430 SG_LOG( SG_GENERAL, SG_ALERT, "Unknown option '" << arg << "'" );
1431 return FG_OPTIONS_ERROR;
1434 SG_LOG( SG_GENERAL, SG_ALERT, "Unknown option '" << arg << "'" );
1435 return FG_OPTIONS_ERROR;
1438 return FG_OPTIONS_OK;
1442 // Parse the command line options
1444 fgParseArgs (int argc, char **argv)
1446 bool in_options = true;
1447 bool verbose = false;
1450 SG_LOG(SG_GENERAL, SG_INFO, "Processing command line arguments");
1452 for (int i = 1; i < argc; i++) {
1453 string arg = argv[i];
1455 if (in_options && (arg.find('-') == 0)) {
1459 int result = parse_option(arg);
1460 if ((result == FG_OPTIONS_HELP) || (result == FG_OPTIONS_ERROR))
1463 else if (result == FG_OPTIONS_VERBOSE_HELP)
1466 else if (result == FG_OPTIONS_SHOW_AIRCRAFT) {
1467 fgOptLogLevel( "alert" );
1468 SGPath path( globals->get_fg_root() );
1469 path.append("Aircraft");
1470 fgShowAircraft(path, true);
1476 SG_LOG(SG_GENERAL, SG_INFO,
1477 "Reading command-line property file " << arg);
1478 readProperties(arg, globals->get_props());
1483 fgOptLogLevel( "alert" );
1488 SG_LOG(SG_GENERAL, SG_INFO, "Finished command line arguments");
1492 // Parse config file options
1494 fgParseOptions (const string& path) {
1495 sg_gzifstream in( path );
1496 if ( !in.is_open() ) {
1500 SG_LOG( SG_GENERAL, SG_INFO, "Processing config file: " << path );
1504 while ( ! in.eof() ) {
1507 while ( in.get(c) && c != '\0' ) {
1512 #if defined( macintosh )
1513 getline( in, line, '\r' );
1515 getline( in, line, '\n' );
1518 // catch extraneous (DOS) line ending character
1519 if ( line[line.length() - 1] < 32 ) {
1520 line = line.substr( 0, line.length()-1 );
1523 if ( parse_option( line ) == FG_OPTIONS_ERROR ) {
1524 cerr << endl << "Config file parse error: " << path << " '"
1525 << line << "'" << endl;
1534 // Print usage message
1536 fgUsage (bool verbose)
1538 SGPropertyNode *locale = globals->get_locale();
1540 SGPropertyNode options_root;
1545 fgLoadProps("options.xml", &options_root);
1546 } catch (const sg_exception &ex) {
1547 cout << "Unable to read the help file." << endl;
1548 cout << "Make sure the file options.xml is located in the FlightGear base directory," << endl;
1549 cout << "and the location of the base directory is specified by setting $FG_ROOT or" << endl;
1550 cout << "by adding --fg-root=path as a program argument." << endl;
1555 SGPropertyNode *options = options_root.getNode("options");
1557 SG_LOG( SG_GENERAL, SG_ALERT,
1558 "Error reading options.xml: <options> directive not found." );
1562 SGPropertyNode *usage = locale->getNode(options->getStringValue("usage"));
1564 cout << "Usage: " << usage->getStringValue() << endl;
1567 vector<SGPropertyNode_ptr>section = options->getChildren("section");
1568 for (unsigned int j = 0; j < section.size(); j++) {
1571 vector<SGPropertyNode_ptr>option = section[j]->getChildren("option");
1572 for (unsigned int k = 0; k < option.size(); k++) {
1574 SGPropertyNode *name = option[k]->getNode("name");
1575 SGPropertyNode *short_name = option[k]->getNode("short");
1576 SGPropertyNode *key = option[k]->getNode("key");
1577 SGPropertyNode *arg = option[k]->getNode("arg");
1578 bool brief = option[k]->getNode("brief");
1580 if ((brief || verbose) && name) {
1581 string tmp = name->getStringValue();
1585 tmp.append(key->getStringValue());
1589 tmp.append(arg->getStringValue());
1593 tmp.append(short_name->getStringValue());
1597 if (tmp.size() <= 25) {
1598 snprintf(cstr, 96, " --%-27s", tmp.c_str());
1600 snprintf(cstr, 96, "\n --%s\n%32c", tmp.c_str(), ' ');
1603 // There may be more than one <description> tag assosiated
1607 vector<SGPropertyNode_ptr>desc =
1608 option[k]->getChildren("description");
1610 if (desc.size() > 0) {
1611 for ( unsigned int l = 0; l < desc.size(); l++) {
1613 // There may be more than one translation line.
1615 string t = desc[l]->getStringValue();
1616 SGPropertyNode *n = locale->getNode("strings");
1617 vector<SGPropertyNode_ptr>trans_desc =
1618 n->getChildren(t.substr(8).c_str());
1620 for ( unsigned int m = 0; m < trans_desc.size(); m++ ) {
1621 string t_str = trans_desc[m]->getStringValue();
1623 if ((m > 0) || ((l > 0) && m == 0)) {
1624 snprintf(cstr, 96, "%32c", ' ');
1629 // If the string is too large to fit on the screen,
1630 // then split it up in several pieces.
1632 while ( t_str.size() > 47 ) {
1634 unsigned int m = t_str.rfind(' ', 47);
1635 msg += t_str.substr(0, m);
1636 snprintf(cstr, 96, "\n%32c", ' ');
1639 t_str.erase(t_str.begin(), t_str.begin() + m + 1);
1641 msg += t_str + '\n';
1648 SGPropertyNode *name =
1649 locale->getNode(section[j]->getStringValue("name"));
1651 if (!msg.empty() && name) {
1652 cout << endl << name->getStringValue() << ":" << endl;
1660 cout << "For a complete list of options use --help --verbose" << endl;
1664 static void fgSearchAircraft(const SGPath &path, string_list &aircraft,
1668 ulDir *dirp = ulOpenDir(path.str().c_str());
1670 cerr << "Unable to open aircraft directory." << endl;
1674 while ((dire = ulReadDir(dirp)) != NULL) {
1677 if (dire->d_isdir) {
1678 if (recursive && strcmp("CVS", dire->d_name)
1679 && strcmp(".", dire->d_name) && strcmp("..", dire->d_name))
1682 next.append(dire->d_name);
1684 fgSearchAircraft(next, aircraft, true);
1686 } else if ((ptr = strstr(dire->d_name, "-set.xml")) && (ptr[8] == '\0')) {
1688 SGPath afile = path;
1689 afile.append(dire->d_name);
1693 SGPropertyNode root;
1695 readProperties(afile.str(), &root);
1700 SGPropertyNode *desc = NULL;
1701 SGPropertyNode *node = root.getNode("sim");
1703 desc = node->getNode("description");
1707 if (strlen(dire->d_name) <= 27) {
1708 snprintf(cstr, 96, " %-27s %s", dire->d_name,
1709 (desc) ? desc->getStringValue() : "" );
1712 snprintf(cstr, 96, " %-27s\n%32c%s", dire->d_name, ' ',
1713 (desc) ? desc->getStringValue() : "" );
1716 aircraft.push_back(cstr);
1725 * Search in the current directory, and in on directory deeper
1726 * for <aircraft>-set.xml configuration files and show the aircaft name
1727 * and the contents of the<description> tag in a sorted manner.
1729 * @parampath the directory to search for configuration files
1730 * @param recursive defines whether the directory should be searched recursively
1732 void fgShowAircraft(const SGPath &path, bool recursive) {
1733 string_list aircraft;
1735 fgSearchAircraft( path, aircraft, recursive );
1737 sort(aircraft.begin(), aircraft.end());
1738 cout << "Available aircraft:" << endl;
1739 for ( unsigned int i = 0; i < aircraft.size(); i++ ) {
1740 cout << aircraft[i] << endl;