1 // options.cxx -- class to handle command line options
3 // Written by Curtis Olson, started April 1998.
5 // Copyright (C) 1998 Curtis L. Olson - curt@me.umn.edu
7 // This program is free software; you can redistribute it and/or
8 // modify it under the terms of the GNU General Public License as
9 // published by the Free Software Foundation; either version 2 of the
10 // License, or (at your option) any later version.
12 // This program is distributed in the hope that it will be useful, but
13 // WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 // General Public License for more details.
17 // You should have received a copy of the GNU General Public License
18 // along with this program; if not, write to the Free Software
19 // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
28 #include <simgear/compiler.h>
29 #include <simgear/misc/exception.hxx>
31 #include <math.h> // rint()
33 #include <stdlib.h> // atof(), atoi()
34 #include <string.h> // strcmp()
38 #include <simgear/misc/sgstream.hxx>
39 #include <simgear/misc/sg_path.hxx>
40 #include <simgear/route/route.hxx>
41 #include <simgear/route/waypoint.hxx>
43 // #include <Include/general.hxx>
44 // #include <Airports/simple.hxx>
45 // #include <Cockpit/cockpit.hxx>
46 // #include <FDM/flight.hxx>
47 // #include <FDM/UIUCModel/uiuc_aircraftdir.h>
49 # include <NetworkOLK/network.h>
54 #include "globals.hxx"
55 #include "fg_init.hxx"
56 #include "fg_props.hxx"
57 #include "options.hxx"
58 #include "viewmgr.hxx"
61 SG_USING_NAMESPACE(std);
64 #define NEW_DEFAULT_MODEL_HZ 120
74 atof( const string& str )
78 // -dw- if ::atof is called, then we get an infinite loop
79 return std::atof( str.c_str() );
81 return ::atof( str.c_str() );
86 atoi( const string& str )
89 // -dw- if ::atoi is called, then we get an infinite loop
90 return std::atoi( str.c_str() );
92 return ::atoi( str.c_str() );
98 * Set a few fail-safe default property values.
100 * These should all be set in $FG_ROOT/preferences.xml, but just
101 * in case, we provide some initial sane values here. This method
102 * should be invoked *before* reading any init files.
107 // set a possibly independent location for scenery data
108 char *envp = ::getenv( "FG_SCENERY" );
110 if ( envp != NULL ) {
111 // fg_root could be anywhere, so default to environmental
112 // variable $FG_ROOT if it is set.
113 globals->set_fg_scenery(envp);
115 // Otherwise, default to Scenery being in $FG_ROOT/Scenery
116 globals->set_fg_scenery("");
118 // Position (deliberately out of range)
119 fgSetDouble("/position/longitude-deg", 9999.0);
120 fgSetDouble("/position/latitude-deg", 9999.0);
121 fgSetDouble("/position/altitude-ft", -9999.0);
124 fgSetDouble("/orientation/heading-deg", 270);
125 fgSetDouble("/orientation/roll-deg", 0);
126 fgSetDouble("/orientation/pitch-deg", 0.424);
129 fgSetString("/sim/startup/speed-set", "knots");
130 fgSetDouble("/velocities/uBody-fps", 0.0);
131 fgSetDouble("/velocities/vBody-fps", 0.0);
132 fgSetDouble("/velocities/wBody-fps", 0.0);
133 fgSetDouble("/velocities/speed-north-fps", 0.0);
134 fgSetDouble("/velocities/speed-east-fps", 0.0);
135 fgSetDouble("/velocities/speed-down-fps", 0.0);
136 fgSetDouble("/velocities/airspeed-kt", 0.0);
137 fgSetDouble("/velocities/mach", 0.0);
140 fgSetBool("/sim/startup/game-mode", false);
141 fgSetBool("/sim/startup/splash-screen", true);
142 fgSetBool("/sim/startup/intro-music", true);
143 // we want mouse-pointer to have an undefined value if nothing is
144 // specified so we can do the right thing for voodoo-1/2 cards.
145 // fgSetString("/sim/startup/mouse-pointer", "disabled");
146 fgSetString("/sim/control-mode", "joystick");
147 fgSetBool("/sim/auto-coordination", false);
149 fgSetString("/sim/startup/browser-app", "netscape");
151 fgSetString("/sim/startup/browser-app", "webrun.bat");
154 fgSetBool("/sim/hud/visibility", false);
155 fgSetBool("/sim/panel/visibility", true);
156 fgSetBool("/sim/sound/audible", true);
157 fgSetBool("/sim/hud/antialiased", false);
159 // Flight Model options
160 fgSetString("/sim/flight-model", "jsb");
161 fgSetString("/sim/aero", "c172");
162 fgSetInt("/sim/model-hz", NEW_DEFAULT_MODEL_HZ);
163 fgSetInt("/sim/speed-up", 1);
164 fgSetBool("/sim/startup/trim", false);
165 fgSetBool("/sim/startup/onground", true);
168 fgSetString("/sim/rendering/fog", "nicest");
169 fgSetBool("/environment/clouds/status", true);
170 fgSetBool("/sim/startup/fullscreen", false);
171 fgSetBool("/sim/rendering/shading", true);
172 fgSetBool("/sim/rendering/skyblend", true);
173 fgSetBool("/sim/rendering/textures", true);
174 fgSetBool("/sim/rendering/wireframe", false);
175 fgSetInt("/sim/startup/xsize", 800);
176 fgSetInt("/sim/startup/ysize", 600);
177 fgSetInt("/sim/rendering/bits-per-pixel", 16);
178 fgSetString("/sim/view-mode", "pilot");
179 fgSetDouble("/sim/current-view/heading-offset-deg", 0);
180 fgSetDouble("/environment/visibility-m", 20000);
183 fgSetString("/sim/startup/units", "feet");
184 fgSetString("/sim/hud/frame-stat-type", "tris");
187 fgSetInt("/sim/startup/time-offset", 0);
188 fgSetString("/sim/startup/time-offset-type", "system-offset");
189 fgSetLong("/sim/time/cur-time-override", 0);
191 fgSetBool("/sim/networking/network-olk", false);
192 fgSetString("/sim/networking/call-sign", "Johnny");
195 fgSetBool("/sim/freeze/master", false);
196 fgSetBool("/sim/freeze/position", false);
197 fgSetBool("/sim/freeze/clock", false);
198 fgSetBool("/sim/freeze/fuel", false);
203 parse_wind (const string &wind, double * min_hdg, double * max_hdg,
204 double * speed, double * gust)
206 string::size_type pos = wind.find('@');
207 if (pos == string::npos)
209 string dir = wind.substr(0, pos);
210 string spd = wind.substr(pos+1);
212 if (pos == string::npos) {
213 *min_hdg = *max_hdg = atof(dir.c_str());
215 *min_hdg = atof(dir.substr(0,pos).c_str());
216 *max_hdg = atof(dir.substr(pos+1).c_str());
219 if (pos == string::npos) {
220 *speed = *gust = atof(spd.c_str());
222 *speed = atof(spd.substr(0,pos).c_str());
223 *gust = atof(spd.substr(pos+1).c_str());
228 // parse a time string ([+/-]%f[:%f[:%f]]) into hours
230 parse_time(const string& time_in) {
231 char *time_str, num[256];
232 double hours, minutes, seconds;
237 time_str = (char *)time_in.c_str();
239 // printf("parse_time(): %s\n", time_str);
242 if ( strlen(time_str) ) {
243 if ( time_str[0] == '+' ) {
246 } else if ( time_str[0] == '-' ) {
251 // printf("sign = %d\n", sign);
254 if ( strlen(time_str) ) {
256 while ( (time_str[0] != ':') && (time_str[0] != '\0') ) {
257 num[i] = time_str[0];
261 if ( time_str[0] == ':' ) {
266 // printf("hours = %.2lf\n", hours);
272 if ( strlen(time_str) ) {
274 while ( (time_str[0] != ':') && (time_str[0] != '\0') ) {
275 num[i] = time_str[0];
279 if ( time_str[0] == ':' ) {
284 // printf("minutes = %.2lf\n", minutes);
286 result += minutes / 60.0;
290 if ( strlen(time_str) ) {
292 while ( (time_str[0] != ':') && (time_str[0] != '\0') ) {
293 num[i] = time_str[0];
299 // printf("seconds = %.2lf\n", seconds);
301 result += seconds / 3600.0;
304 return(sign * result);
308 // parse a date string (yyyy:mm:dd:hh:mm:ss) into a time_t (seconds)
310 parse_date( const string& date)
313 char * date_str, num[256];
315 // initialize to zero
322 gmt.tm_isdst = 0; // ignore daylight savings time for the moment
323 date_str = (char *)date.c_str();
325 if ( strlen(date_str) ) {
327 while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
328 num[i] = date_str[0];
332 if ( date_str[0] == ':' ) {
336 gmt.tm_year = atoi(num) - 1900;
339 if ( strlen(date_str) ) {
341 while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
342 num[i] = date_str[0];
346 if ( date_str[0] == ':' ) {
350 gmt.tm_mon = atoi(num) -1;
353 if ( strlen(date_str) ) {
355 while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
356 num[i] = date_str[0];
360 if ( date_str[0] == ':' ) {
364 gmt.tm_mday = atoi(num);
367 if ( strlen(date_str) ) {
369 while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
370 num[i] = date_str[0];
374 if ( date_str[0] == ':' ) {
378 gmt.tm_hour = atoi(num);
381 if ( strlen(date_str) ) {
383 while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
384 num[i] = date_str[0];
388 if ( date_str[0] == ':' ) {
392 gmt.tm_min = atoi(num);
395 if ( strlen(date_str) ) {
397 while ( (date_str[0] != ':') && (date_str[0] != '\0') ) {
398 num[i] = date_str[0];
402 if ( date_str[0] == ':' ) {
406 gmt.tm_sec = atoi(num);
408 time_t theTime = sgTimeGetGMT( gmt.tm_year, gmt.tm_mon, gmt.tm_mday,
409 gmt.tm_hour, gmt.tm_min, gmt.tm_sec );
410 //printf ("Date is %s\n", ctime(&theTime));
411 //printf ("in seconds that is %d\n", theTime);
417 // parse angle in the form of [+/-]ddd:mm:ss into degrees
419 parse_degree( const string& degree_str) {
420 double result = parse_time( degree_str );
422 // printf("Degree = %.4f\n", result);
428 // parse time offset string into seconds
430 parse_time_offset( const string& time_str) {
433 // printf("time offset = %s\n", time_str);
436 result = (int)rint(parse_time(time_str) * 3600.0);
438 result = (int)(parse_time(time_str) * 3600.0);
441 // printf("parse_time_offset(): %d\n", result);
447 // Parse --fov=x.xx type option
449 parse_fov( const string& arg ) {
450 double fov = atof(arg);
452 if ( fov < FG_FOV_MIN ) { fov = FG_FOV_MIN; }
453 if ( fov > FG_FOV_MAX ) { fov = FG_FOV_MAX; }
455 fgSetDouble("/sim/current-view/field-of-view", fov);
457 // printf("parse_fov(): result = %.4f\n", fov);
463 // Parse I/O channel option
465 // Format is "--protocol=medium,direction,hz,medium_options,..."
467 // protocol = { native, nmea, garmin, fgfs, rul, pve, etc. }
468 // medium = { serial, socket, file, etc. }
469 // direction = { in, out, bi }
470 // hz = number of times to process channel per second (floating
471 // point values are ok.
473 // Serial example "--nmea=serial,dir,hz,device,baud" where
475 // device = OS device name of serial line to be open()'ed
476 // baud = {300, 1200, 2400, ..., 230400}
478 // Socket exacmple "--native=socket,dir,hz,machine,port,style" where
480 // machine = machine name or ip address if client (leave empty if server)
481 // port = port, leave empty to let system choose
482 // style = tcp or udp
484 // File example "--garmin=file,dir,hz,filename" where
486 // filename = file system file name
489 add_channel( const string& type, const string& channel_str ) {
490 // cout << "Channel string = " << channel_str << endl;
492 globals->get_channel_options_list()->push_back( type + "," + channel_str );
498 // Parse --wp=ID[@alt]
500 parse_wp( const string& arg ) {
504 string::size_type pos = arg.find( "@" );
505 if ( pos != string::npos ) {
506 id = arg.substr( 0, pos );
507 alt_str = arg.substr( pos + 1 );
508 // cout << "id str = " << id << " alt str = " << alt_str << endl;
509 alt = atof( alt_str.c_str() );
510 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") ) {
511 alt *= SG_FEET_TO_METER;
518 if ( fgFindAirportID( id, &a ) ) {
519 SGWayPoint wp( a.longitude, a.latitude, alt, SGWayPoint::WGS84, id );
520 globals->get_route()->add_waypoint( wp );
529 // Parse --flight-plan=[file]
531 parse_flightplan(const string& arg)
533 sg_gzifstream in(arg.c_str());
534 if ( !in.is_open() ) {
540 #if defined( macintosh )
541 getline( in, line, '\r' );
543 getline( in, line, '\n' );
546 // catch extraneous (DOS) line ending character
547 if ( line[line.length() - 1] < 32 ) {
548 line = line.substr( 0, line.length()-1 );
561 // Parse a single option
563 parse_option (const string& arg)
566 if ( (arg == "--help") || (arg == "-h") ) {
567 // help/usage request
568 return(FG_OPTIONS_HELP);
569 } else if ( arg == "--disable-game-mode") {
570 fgSetBool("/sim/startup/game-mode", false);
571 } else if ( arg == "--enable-game-mode" ) {
572 fgSetBool("/sim/startup/game-mode", true);
573 } else if ( arg == "--disable-splash-screen" ) {
574 fgSetBool("/sim/startup/splash-screen", false);
575 } else if ( arg == "--enable-splash-screen" ) {
576 fgSetBool("/sim/startup/splash-screen", true);
577 } else if ( arg == "--disable-intro-music" ) {
578 fgSetBool("/sim/startup/intro-music", false);
579 } else if ( arg == "--enable-intro-music" ) {
580 fgSetBool("/sim/startup/intro-music", true);
581 } else if ( arg == "--disable-mouse-pointer" ) {
582 fgSetString("/sim/startup/mouse-pointer", "disabled");
583 } else if ( arg == "--enable-mouse-pointer" ) {
584 fgSetString("/sim/startup/mouse-pointer", "enabled");
585 } else if ( arg == "--disable-random-objects" ) {
586 fgSetBool("/sim/rendering/random-objects", false);
587 } else if ( arg == "--enable-random-objects" ) {
588 fgSetBool("/sim/rendering/random-objects", true);
589 } else if ( arg == "--disable-freeze" ) {
590 fgSetBool("/sim/freeze/master", false);
591 } else if ( arg == "--enable-freeze" ) {
592 fgSetBool("/sim/freeze/master", true);
593 } else if ( arg == "--disable-fuel-freeze" ) {
594 fgSetBool("/sim/freeze/fuel", false);
595 } else if ( arg == "--enable-fuel-freeze" ) {
596 fgSetBool("/sim/freeze/fuel", true);
597 } else if ( arg == "--disable-clock-freeze" ) {
598 fgSetBool("/sim/freeze/clock", false);
599 } else if ( arg == "--enable-clock-freeze" ) {
600 fgSetBool("/sim/freeze/clock", true);
601 } else if ( arg == "--disable-anti-alias-hud" ) {
602 fgSetBool("/sim/hud/antialiased", false);
603 } else if ( arg == "--enable-anti-alias-hud" ) {
604 fgSetBool("/sim/hud/antialiased", true);
605 } else if ( arg.find( "--control=") == 0 ) {
606 fgSetString("/sim/control-mode", arg.substr(10).c_str());
607 } else if ( arg == "--disable-auto-coordination" ) {
608 fgSetBool("/sim/auto-coordination", false);
609 } else if ( arg == "--enable-auto-coordination" ) {
610 fgSetBool("/sim/auto-coordination", true);
611 } else if ( arg.find( "--browser-app=") == 0 ) {
612 fgSetString("/sim/startup/browser-app", arg.substr(14).c_str());
613 } else if ( arg == "--disable-hud" ) {
614 fgSetBool("/sim/hud/visibility", false);
615 } else if ( arg == "--enable-hud" ) {
616 fgSetBool("/sim/hud/visibility", true);
617 } else if ( arg == "--disable-panel" ) {
618 fgSetBool("/sim/panel/visibility", false);
619 } else if ( arg == "--enable-panel" ) {
620 fgSetBool("/sim/panel/visibility", true);
621 } else if ( arg == "--disable-sound" ) {
622 fgSetBool("/sim/sound/audible", false);
623 } else if ( arg == "--enable-sound" ) {
624 fgSetBool("/sim/sound/audible", true);
625 } else if ( arg.find( "--airport-id=") == 0 ) {
626 // NB: changed property name!!!
627 fgSetString("/sim/startup/airport-id", arg.substr(13).c_str());
628 } else if ( arg.find( "--offset-distance=") == 0 ) {
629 fgSetDouble("/sim/startup/offset-distance", atof(arg.substr(18)));
630 } else if ( arg.find( "--offset-azimuth=") == 0 ) {
631 fgSetDouble("/sim/startup/offset-azimuth", atof(arg.substr(17)));
632 } else if ( arg.find( "--lon=" ) == 0 ) {
633 fgSetDouble("/position/longitude-deg",
634 parse_degree(arg.substr(6)));
635 fgSetString("/sim/startup/airport-id", "");
636 } else if ( arg.find( "--lat=" ) == 0 ) {
637 fgSetDouble("/position/latitude-deg",
638 parse_degree(arg.substr(6)));
639 fgSetString("/sim/startup/airport-id", "");
640 } else if ( arg.find( "--altitude=" ) == 0 ) {
641 fgSetBool("/sim/startup/onground", false);
642 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
643 fgSetDouble("/position/altitude-ft", atof(arg.substr(11)));
645 fgSetDouble("/position/altitude-ft",
646 atof(arg.substr(11)) * SG_METER_TO_FEET);
647 } else if ( arg.find( "--uBody=" ) == 0 ) {
648 fgSetString("/sim/startup/speed-set", "UVW");
649 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
650 fgSetDouble("/velocities/uBody-fps", atof(arg.substr(8)));
652 fgSetDouble("/velocities/uBody-fps",
653 atof(arg.substr(8)) * SG_METER_TO_FEET);
654 } else if ( arg.find( "--vBody=" ) == 0 ) {
655 fgSetString("/sim/startup/speed-set", "UVW");
656 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
657 fgSetDouble("/velocities/vBody-fps", atof(arg.substr(8)));
659 fgSetDouble("/velocities/vBody-fps",
660 atof(arg.substr(8)) * SG_METER_TO_FEET);
661 } else if ( arg.find( "--wBody=" ) == 0 ) {
662 fgSetString("/sim/startup/speed-set", "UVW");
663 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
664 fgSetDouble("/velocities/wBody-fps", atof(arg.substr(8)));
666 fgSetDouble("/velocities/wBody-fps",
667 atof(arg.substr(8)) * SG_METER_TO_FEET);
668 } else if ( arg.find( "--vNorth=" ) == 0 ) {
669 fgSetString("/sim/startup/speed-set", "NED");
670 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
671 fgSetDouble("/velocities/speed-north-fps", atof(arg.substr(9)));
673 fgSetDouble("/velocities/speed-north-fps",
674 atof(arg.substr(9)) * SG_METER_TO_FEET);
675 } else if ( arg.find( "--vEast=" ) == 0 ) {
676 fgSetString("/sim/startup/speed-set", "NED");
677 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
678 fgSetDouble("/velocities/speed-east-fps", atof(arg.substr(8)));
680 fgSetDouble("/velocities/speed-east-fps",
681 atof(arg.substr(8)) * SG_METER_TO_FEET);
682 } else if ( arg.find( "--vDown=" ) == 0 ) {
683 fgSetString("/sim/startup/speed-set", "NED");
684 if ( !strcmp(fgGetString("/sim/startup/units"), "feet") )
685 fgSetDouble("/velocities/speed-down-fps", atof(arg.substr(8)));
687 fgSetDouble("/velocities/speed-down-fps",
688 atof(arg.substr(8)) * SG_METER_TO_FEET);
689 } else if ( arg.find( "--vc=" ) == 0) {
690 fgSetString("/sim/startup/speed-set", "knots");
691 fgSetDouble("/velocities/airspeed-kt", atof(arg.substr(5)));
692 } else if ( arg.find( "--mach=" ) == 0) {
693 fgSetString("/sim/startup/speed-set", "mach");
694 fgSetDouble("/velocities/mach", atof(arg.substr(7)));
695 } else if ( arg.find( "--heading=" ) == 0 ) {
696 fgSetDouble("/orientation/heading-deg", atof(arg.substr(10)));
697 } else if ( arg.find( "--roll=" ) == 0 ) {
698 fgSetDouble("/orientation/roll-deg", atof(arg.substr(7)));
699 } else if ( arg.find( "--pitch=" ) == 0 ) {
700 fgSetDouble("/orientation/pitch-deg", atof(arg.substr(8)));
701 } else if ( arg.find( "--glideslope=" ) == 0 ) {
702 fgSetDouble("/velocities/glideslope", atof(arg.substr(13))
703 *SG_DEGREES_TO_RADIANS);
704 } else if ( arg.find( "--roc=" ) == 0 ) {
705 fgSetDouble("/velocities/vertical-speed-fps", atof(arg.substr(6))/60);
706 } else if ( arg.find( "--fg-root=" ) == 0 ) {
707 globals->set_fg_root(arg.substr( 10 ));
708 } else if ( arg.find( "--fg-scenery=" ) == 0 ) {
709 globals->set_fg_scenery(arg.substr( 13 ));
710 } else if ( arg.find( "--fdm=" ) == 0 ) {
711 fgSetString("/sim/flight-model", arg.substr(6).c_str());
712 } else if ( arg.find( "--aero=" ) == 0 ) {
713 fgSetString("/sim/aero", arg.substr(7).c_str());
714 } else if ( arg.find( "--aircraft-dir=" ) == 0 ) {
715 fgSetString("/sim/aircraft-dir", arg.substr(15).c_str());
716 } else if ( arg.find( "--model-hz=" ) == 0 ) {
717 fgSetInt("/sim/model-hz", atoi(arg.substr(11)));
718 } else if ( arg.find( "--speed=" ) == 0 ) {
719 fgSetInt("/sim/speed-up", atoi(arg.substr(8)));
720 } else if ( arg.find( "--trim") == 0) {
721 fgSetBool("/sim/startup/trim", true);
722 } else if ( arg.find( "--notrim") == 0) {
723 fgSetBool("/sim/startup/trim", false);
724 } else if ( arg.find( "--on-ground") == 0) {
725 fgSetBool("/sim/startup/onground", true);
726 } else if ( arg.find( "--in-air") == 0) {
727 fgSetBool("/sim/startup/onground", false);
728 } else if ( arg == "--fog-disable" ) {
729 fgSetString("/sim/rendering/fog", "disabled");
730 } else if ( arg == "--fog-fastest" ) {
731 fgSetString("/sim/rendering/fog", "fastest");
732 } else if ( arg == "--fog-nicest" ) {
733 fgSetString("/sim/fog", "nicest");
734 } else if ( arg == "--disable-clouds" ) {
735 fgSetBool("/environment/clouds/status", false);
736 } else if ( arg == "--enable-clouds" ) {
737 fgSetBool("/environment/clouds/status", true);
738 } else if ( arg.find( "--fov=" ) == 0 ) {
739 parse_fov( arg.substr(6) );
740 } else if ( arg == "--disable-fullscreen" ) {
741 fgSetBool("/sim/startup/fullscreen", false);
742 } else if ( arg== "--enable-fullscreen") {
743 fgSetBool("/sim/startup/fullscreen", true);
744 } else if ( arg == "--shading-flat") {
745 fgSetBool("/sim/rendering/shading", false);
746 } else if ( arg == "--shading-smooth") {
747 fgSetBool("/sim/rendering/shading", true);
748 } else if ( arg == "--disable-skyblend") {
749 fgSetBool("/sim/rendering/skyblend", false);
750 } else if ( arg== "--enable-skyblend" ) {
751 fgSetBool("/sim/rendering/skyblend", true);
752 } else if ( arg == "--disable-textures" ) {
753 fgSetBool("/sim/rendering/textures", false);
754 } else if ( arg == "--enable-textures" ) {
755 fgSetBool("/sim/rendering/textures", true);
756 } else if ( arg == "--disable-wireframe" ) {
757 fgSetBool("/sim/rendering/wireframe", false);
758 } else if ( arg == "--enable-wireframe" ) {
759 fgSetBool("/sim/rendering/wireframe", true);
760 } else if ( arg.find( "--geometry=" ) == 0 ) {
761 bool geometry_ok = true;
762 int xsize = 0, ysize = 0;
763 string geometry = arg.substr( 11 );
764 string::size_type i = geometry.find('x');
766 if (i != string::npos) {
767 xsize = atoi(geometry.substr(0, i));
768 ysize = atoi(geometry.substr(i+1));
773 if ( xsize <= 0 || ysize <= 0 ) {
779 if ( !geometry_ok ) {
780 SG_LOG( SG_GENERAL, SG_ALERT, "Unknown geometry: " << geometry );
781 SG_LOG( SG_GENERAL, SG_ALERT,
782 "Setting geometry to " << xsize << 'x' << ysize << '\n');
784 SG_LOG( SG_GENERAL, SG_INFO,
785 "Setting geometry to " << xsize << 'x' << ysize << '\n');
786 fgSetInt("/sim/startup/xsize", xsize);
787 fgSetInt("/sim/startup/ysize", ysize);
789 } else if ( arg.find( "--bpp=" ) == 0 ) {
790 string bits_per_pix = arg.substr( 6 );
791 if ( bits_per_pix == "16" ) {
792 fgSetInt("/sim/rendering/bits-per-pixel", 16);
793 } else if ( bits_per_pix == "24" ) {
794 fgSetInt("/sim/rendering/bits-per-pixel", 24);
795 } else if ( bits_per_pix == "32" ) {
796 fgSetInt("/sim/rendering/bits-per-pixel", 32);
798 SG_LOG(SG_GENERAL, SG_ALERT, "Unsupported bpp " << bits_per_pix);
800 } else if ( arg == "--units-feet" ) {
801 fgSetString("/sim/startup/units", "feet");
802 } else if ( arg == "--units-meters" ) {
803 fgSetString("/sim/startup/units", "meters");
804 } else if ( arg.find( "--time-offset" ) == 0 ) {
805 fgSetInt("/sim/startup/time-offset",
806 parse_time_offset( (arg.substr(14)) ));
807 fgSetString("/sim/startup/time-offset-type", "system-offset");
808 } else if ( arg.find( "--time-match-real") == 0 ) {
809 fgSetString("/sim/startup/time-offset-type", "system-offset");
810 } else if ( arg.find( "--time-match-local") == 0 ) {
811 fgSetString("/sim/startup/time-offset-type", "latitude-offset");
812 } else if ( arg.find( "--start-date-sys=") == 0 ) {
813 fgSetInt("/sim/startup/time-offset", parse_date((arg.substr(17))));
814 fgSetString("/sim/startup/time-offset-type", "system");
815 } else if ( arg.find( "--start-date-lat=") == 0 ) {
816 fgSetInt("/sim/startup/time-offset", parse_date((arg.substr(17))));
817 fgSetString("/sim/startup/time-offset-type", "latitude");
818 } else if ( arg.find( "--start-date-gmt=") == 0 ) {
819 fgSetInt("/sim/startup/time-offset", parse_date((arg.substr(17))));
820 fgSetString("/sim/startup/time-offset-type", "gmt");
821 } else if ( arg == "--hud-tris" ) {
822 fgSetString("/sim/hud/frame-stat-type", "tris");
823 } else if ( arg == "--hud-culled" ) {
824 fgSetString("/sim/hud/frame-stat-type", "culled");
825 } else if ( arg.find( "--atc610x" ) == 0 ) {
826 add_channel( "atc610x", "dummy" );
827 } else if ( arg.find( "--atlas=" ) == 0 ) {
828 add_channel( "atlas", arg.substr(8) );
829 } else if ( arg.find( "--httpd=" ) == 0 ) {
830 add_channel( "httpd", arg.substr(8) );
831 #ifdef FG_JPEG_SERVER
832 } else if ( arg.find( "--jpg-httpd=" ) == 0 ) {
833 add_channel( "jpg-httpd", arg.substr(12) );
835 } else if ( arg.find( "--native=" ) == 0 ) {
836 add_channel( "native", arg.substr(9) );
837 } else if ( arg.find( "--native-ctrls=" ) == 0 ) {
838 add_channel( "native_ctrls", arg.substr(15) );
839 } else if ( arg.find( "--native-fdm=" ) == 0 ) {
840 add_channel( "native_fdm", arg.substr(13) );
841 } else if ( arg.find( "--opengc=" ) == 0 ) {
843 // cout << "Adding channel for OpenGC Display" << endl; cin >> stop;
844 add_channel( "opengc", arg.substr(9) );
845 } else if ( arg.find( "--garmin=" ) == 0 ) {
846 add_channel( "garmin", arg.substr(9) );
847 } else if ( arg.find( "--nmea=" ) == 0 ) {
848 add_channel( "nmea", arg.substr(7) );
849 } else if ( arg.find( "--props=" ) == 0 ) {
850 add_channel( "props", arg.substr(8) );
851 } else if ( arg.find( "--telnet=" ) == 0 ) {
852 add_channel( "telnet", arg.substr(9) );
853 } else if ( arg.find( "--pve=" ) == 0 ) {
854 add_channel( "pve", arg.substr(6) );
855 } else if ( arg.find( "--ray=" ) == 0 ) {
856 add_channel( "ray", arg.substr(6) );
857 } else if ( arg.find( "--rul=" ) == 0 ) {
858 add_channel( "rul", arg.substr(6) );
859 } else if ( arg.find( "--joyclient=" ) == 0 ) {
860 add_channel( "joyclient", arg.substr(12) );
861 #ifdef FG_NETWORK_OLK
862 } else if ( arg == "--disable-network-olk" ) {
863 fgSetBool("/sim/networking/olk", false);
864 } else if ( arg== "--enable-network-olk") {
865 fgSetBool("/sim/networking/olk", true);
866 } else if ( arg == "--net-hud" ) {
867 fgSetBool("/sim/hud/net-display", true);
868 net_hud_display = 1; // FIXME
869 } else if ( arg.find( "--net-id=") == 0 ) {
870 fgSetString("sim/networking/call-sign", arg.substr(9).c_str());
872 } else if ( arg.find( "--prop:" ) == 0 ) {
873 string assign = arg.substr(7);
874 string::size_type pos = assign.find('=');
875 if ( pos == arg.npos || pos == 0 ) {
876 SG_LOG( SG_GENERAL, SG_ALERT, "Bad property assignment: " << arg );
877 return FG_OPTIONS_ERROR;
879 string name = assign.substr(0, pos);
880 string value = assign.substr(pos + 1);
881 fgSetString(name.c_str(), value.c_str());
882 // SG_LOG(SG_GENERAL, SG_INFO, "Setting default value of property "
883 // << name << " to \"" << value << '"');
884 } else if ( arg.find("--trace-read=") == 0) {
885 string name = arg.substr(13);
886 SG_LOG(SG_GENERAL, SG_INFO, "Tracing reads for property " << name);
887 fgGetNode(name.c_str(), true)
888 ->setAttribute(SGPropertyNode::TRACE_READ, true);
889 } else if ( arg.find("--trace-write=") == 0) {
890 string name = arg.substr(14);
891 SG_LOG(SG_GENERAL, SG_INFO, "Tracing writes for property " << name);
892 fgGetNode(name.c_str(), true)
893 ->setAttribute(SGPropertyNode::TRACE_WRITE, true);
894 } else if ( arg.find( "--view-offset=" ) == 0 ) {
895 // $$$ begin - added VS Renganathan, 14 Oct 2K
896 // for multi-window outside window imagery
897 string woffset = arg.substr( 14 );
898 double default_view_offset = 0.0;
899 if ( woffset == "LEFT" ) {
900 default_view_offset = SGD_PI * 0.25;
901 } else if ( woffset == "RIGHT" ) {
902 default_view_offset = SGD_PI * 1.75;
903 } else if ( woffset == "CENTER" ) {
904 default_view_offset = 0.00;
906 default_view_offset = atof( woffset.c_str() ) * SGD_DEGREES_TO_RADIANS;
908 /* apparently not used (CLO, 11 Jun 2002)
909 FGViewer *pilot_view =
910 (FGViewer *)globals->get_viewmgr()->get_view( 0 ); */
911 // this will work without calls to the viewer...
912 fgSetDouble( "/sim/current-view/heading-offset-deg",
913 default_view_offset * SGD_RADIANS_TO_DEGREES );
914 // $$$ end - added VS Renganathan, 14 Oct 2K
915 } else if ( arg.find( "--visibility=" ) == 0 ) {
916 fgSetDouble("/environment/visibility-m", atof(arg.substr(13)));
917 } else if ( arg.find( "--visibility-miles=" ) == 0 ) {
918 double visibility = atof(arg.substr(19)) * 5280.0 * SG_FEET_TO_METER;
919 fgSetDouble("/environment/visibility-m", visibility);
920 } else if ( arg.find( "--wind=" ) == 0 ) {
921 double min_hdg, max_hdg, speed, gust;
922 if (!parse_wind(arg.substr(7), &min_hdg, &max_hdg, &speed, &gust)) {
923 SG_LOG( SG_GENERAL, SG_ALERT, "bad wind value " << arg.substr(7) );
924 return FG_OPTIONS_ERROR;
926 fgSetDouble("/environment/wind-from-heading-deg", min_hdg);
927 fgSetDouble("/environment/params/min-wind-from-heading-deg", min_hdg);
928 fgSetDouble("/environment/params/max-wind-from-heading-deg", max_hdg);
929 fgSetDouble("/environment/wind-speed-kt", speed);
930 fgSetDouble("/environment/params/base-wind-speed-kt", speed);
931 fgSetDouble("/environment/params/gust-wind-speed-kt", gust);
933 string val = arg.substr(7);
934 string::size_type pos = val.find('@');
935 if ( pos == string::npos ) {
936 SG_LOG( SG_GENERAL, SG_ALERT, "bad wind value " << val );
937 return FG_OPTIONS_ERROR;
939 SG_LOG(SG_GENERAL, SG_INFO, "WIND: " << min_hdg << '@' <<
940 speed << " knots" << endl);
944 speed *= SG_NM_TO_METER * SG_METER_TO_FEET * (1.0/3600);
945 while (min_hdg > 360)
949 min_hdg *= SGD_DEGREES_TO_RADIANS;
950 fgSetDouble("/environment/wind-from-north-fps", speed * cos(dir));
951 fgSetDouble("/environment/wind-from-east-fps", speed * sin(dir));
952 #endif // FG_WEATHERCM
954 } else if ( arg.find( "--wp=" ) == 0 ) {
955 parse_wp( arg.substr( 5 ) );
956 } else if ( arg.find( "--flight-plan=") == 0) {
957 parse_flightplan ( arg.substr (14) );
958 } else if ( arg.find( "--config=" ) == 0 ) {
959 string file = arg.substr(9);
961 readProperties(file, globals->get_props());
962 } catch (const sg_exception &e) {
963 string message = "Error loading config file: ";
964 message += e.getFormattedMessage();
965 SG_LOG(SG_INPUT, SG_ALERT, message);
968 } else if ( arg.find( "--aircraft=" ) == 0 ) {
969 // read in the top level aircraft definition file
970 SGPath apath( globals->get_fg_root() );
971 apath.append( "Aircraft" );
972 apath.append( arg.substr(11) );
973 apath.concat( "-set.xml" );
974 SG_LOG(SG_INPUT, SG_INFO, "Reading aircraft: " << arg.substr(11)
975 << " from " << apath.str());
976 readProperties( apath.str(), globals->get_props() );
978 SG_LOG( SG_GENERAL, SG_ALERT, "Unknown option '" << arg << "'" );
979 return FG_OPTIONS_ERROR;
982 return FG_OPTIONS_OK;
986 // Scan the command line options for an fg_root definition and set
989 fgScanForRoot (int argc, char **argv)
993 SG_LOG(SG_GENERAL, SG_INFO, "Scanning for root: command line");
996 SG_LOG( SG_GENERAL, SG_DEBUG, "argv[" << i << "] = " << argv[i] );
998 string arg = argv[i];
999 if ( arg.find( "--fg-root=" ) == 0 ) {
1000 return arg.substr( 10 );
1010 // Scan the config file for an fg_root definition and set just that.
1012 fgScanForRoot (const string& path)
1014 sg_gzifstream in( path );
1015 if ( !in.is_open() )
1018 SG_LOG( SG_GENERAL, SG_INFO, "Scanning for root: " << path );
1022 while ( ! in.eof() ) {
1025 while ( in.get(c) && c != '\0' ) {
1030 #if defined( macintosh )
1031 getline( in, line, '\r' );
1033 getline( in, line, '\n' );
1036 // catch extraneous (DOS) line ending character
1037 if ( line[line.length() - 1] < 32 ) {
1038 line = line.substr( 0, line.length()-1 );
1041 if ( line.find( "--fg-root=" ) == 0 ) {
1042 return line.substr( 10 );
1052 // Parse the command line options
1054 fgParseArgs (int argc, char **argv)
1056 bool in_options = true;
1058 SG_LOG(SG_GENERAL, SG_INFO, "Processing command line arguments");
1060 for (int i = 1; i < argc; i++) {
1061 string arg = argv[i];
1063 if (in_options && (arg.find('-') == 0)) {
1067 int result = parse_option(arg);
1068 if ( (result == FG_OPTIONS_HELP) ||
1069 (result == FG_OPTIONS_ERROR) ) {
1076 SG_LOG(SG_GENERAL, SG_INFO,
1077 "Reading command-line property file " << arg);
1078 readProperties(arg, globals->get_props());
1082 SG_LOG(SG_GENERAL, SG_INFO, "Finished command line arguments");
1086 // Parse config file options
1088 fgParseOptions (const string& path) {
1089 sg_gzifstream in( path );
1090 if ( !in.is_open() ) {
1094 SG_LOG( SG_GENERAL, SG_INFO, "Processing config file: " << path );
1098 while ( ! in.eof() ) {
1101 while ( in.get(c) && c != '\0' ) {
1106 #if defined( macintosh )
1107 getline( in, line, '\r' );
1109 getline( in, line, '\n' );
1112 // catch extraneous (DOS) line ending character
1113 if ( line[line.length() - 1] < 32 ) {
1114 line = line.substr( 0, line.length()-1 );
1117 if ( parse_option( line ) == FG_OPTIONS_ERROR ) {
1118 SG_LOG( SG_GENERAL, SG_ALERT,
1119 "Config file parse error: " << path << " '"
1129 // Print usage message
1133 SGPropertyNode options_root;
1134 SGPath opath( globals->get_fg_root() );
1135 opath.append( "options.xml" );
1140 readProperties(opath.c_str(), &options_root);
1141 } catch (const sg_exception &ex) {
1142 cout << "Unable to read the help file." << endl;
1143 cout << "Make sure the file options.xml is located in the FlightGear base directory," << endl;
1144 cout << "and the location of the base directory is specified bij setting $FG_ROOT or" << endl;
1145 cout << "by adding --fg-root=path as a program argument." << endl;
1150 SGPropertyNode *options = options_root.getNode("options");
1152 SG_LOG( SG_GENERAL, SG_ALERT,
1153 "Error reading options.xml: <options> directive not found." );
1157 SGPropertyNode *usage = options->getNode("usage");
1159 cout << "Usage: " << usage->getStringValue() << endl;
1162 vector<SGPropertyNode_ptr>section = options->getChildren("section");
1163 for (unsigned int j = 0; j < section.size(); j++) {
1165 SGPropertyNode *name = section[j]->getNode("name");
1167 cout << endl << name->getStringValue() << ":" << endl;
1170 vector<SGPropertyNode_ptr>option = section[j]->getChildren("option");
1171 for (unsigned int k = 0; k < option.size(); k++) {
1173 SGPropertyNode *name = option[k]->getNode("name");
1174 SGPropertyNode *short_name = option[k]->getNode("short");
1175 SGPropertyNode *key = option[k]->getNode("key");
1176 SGPropertyNode *arg = option[k]->getNode("arg");
1179 string tmp = name->getStringValue();
1183 tmp.append(key->getStringValue());
1187 tmp.append(arg->getStringValue());
1191 tmp.append(short_name->getStringValue());
1195 if (tmp.size() <= 25) {
1196 snprintf(cstr, 96, " --%-27s", tmp.c_str());
1198 snprintf(cstr, 96, "\n --%s\n%32c", tmp.c_str(), ' ');
1202 SGPropertyNode *desc = option[k]->getNode("description");
1204 msg += desc->getStringValue();
1206 for ( unsigned int l = 1;
1207 (desc = option[k]->getNode("description", l, false));
1210 snprintf(cstr, 96, "\n%32c%s", ' ',
1211 desc->getStringValue());
1215 cout << msg << endl;