// options.cxx -- class to handle command line options // // Written by Curtis Olson, started April 1998. // // Copyright (C) 1998 Curtis L. Olson - curt@me.umn.edu // // This program is free software; you can redistribute it and/or // modify it under the terms of the GNU General Public License as // published by the Free Software Foundation; either version 2 of the // License, or (at your option) any later version. // // This program is distributed in the hope that it will be useful, but // WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU // General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. // // $Id$ #ifdef HAVE_CONFIG_H # include #endif #include #include #include // rint() #include #include // atof(), atoi() #include // strcmp() #include STL_STRING #include #include #include #include #include #include // #include // #include // #include // #include // #include #ifdef FG_NETWORK_OLK # include #endif #include #include "globals.hxx" #include "fg_init.hxx" #include "fg_props.hxx" #include "options.hxx" #include "viewmgr.hxx" SG_USING_STD(string); SG_USING_NAMESPACE(std); #define NEW_DEFAULT_MODEL_HZ 120 enum { FG_OPTIONS_OK = 0, FG_OPTIONS_HELP = 1, FG_OPTIONS_ERROR = 2, FG_OPTIONS_VERBOSE_HELP = 3, FG_OPTIONS_SHOW_AIRCRAFT = 4 }; static double atof( const string& str ) { #ifdef __MWERKS__ // -dw- if ::atof is called, then we get an infinite loop return std::atof( str.c_str() ); #else return ::atof( str.c_str() ); #endif } static int atoi( const string& str ) { #ifdef __MWERKS__ // -dw- if ::atoi is called, then we get an infinite loop return std::atoi( str.c_str() ); #else return ::atoi( str.c_str() ); #endif } /** * Set a few fail-safe default property values. * * These should all be set in $FG_ROOT/preferences.xml, but just * in case, we provide some initial sane values here. This method * should be invoked *before* reading any init files. */ void fgSetDefaults () { // set a possibly independent location for scenery data char *envp = ::getenv( "FG_SCENERY" ); if ( envp != NULL ) { // fg_root could be anywhere, so default to environmental // variable $FG_ROOT if it is set. globals->set_fg_scenery(envp); } else { // Otherwise, default to Scenery being in $FG_ROOT/Scenery globals->set_fg_scenery(""); } // Position (deliberately out of range) fgSetDouble("/position/longitude-deg", 9999.0); fgSetDouble("/position/latitude-deg", 9999.0); fgSetDouble("/position/altitude-ft", -9999.0); // Orientation fgSetDouble("/orientation/heading-deg", 270); fgSetDouble("/orientation/roll-deg", 0); fgSetDouble("/orientation/pitch-deg", 0.424); // Velocities fgSetString("/sim/startup/speed-set", "knots"); fgSetDouble("/velocities/uBody-fps", 0.0); fgSetDouble("/velocities/vBody-fps", 0.0); fgSetDouble("/velocities/wBody-fps", 0.0); fgSetDouble("/velocities/speed-north-fps", 0.0); fgSetDouble("/velocities/speed-east-fps", 0.0); fgSetDouble("/velocities/speed-down-fps", 0.0); fgSetDouble("/velocities/airspeed-kt", 0.0); fgSetDouble("/velocities/mach", 0.0); // Miscellaneous fgSetBool("/sim/startup/game-mode", false); fgSetBool("/sim/startup/splash-screen", true); fgSetBool("/sim/startup/intro-music", true); // we want mouse-pointer to have an undefined value if nothing is // specified so we can do the right thing for voodoo-1/2 cards. // fgSetString("/sim/startup/mouse-pointer", "disabled"); fgSetString("/sim/control-mode", "joystick"); fgSetBool("/sim/auto-coordination", false); #if !defined(WIN32) fgSetString("/sim/startup/browser-app", "netscape"); #else fgSetString("/sim/startup/browser-app", "webrun.bat"); #endif // Features fgSetBool("/sim/hud/visibility", false); fgSetBool("/sim/panel/visibility", true); fgSetBool("/sim/sound/audible", true); fgSetBool("/sim/hud/antialiased", false); // Flight Model options fgSetString("/sim/flight-model", "jsb"); fgSetString("/sim/aero", "c172"); fgSetInt("/sim/model-hz", NEW_DEFAULT_MODEL_HZ); fgSetInt("/sim/speed-up", 1); fgSetBool("/sim/startup/trim", false); fgSetBool("/sim/startup/onground", true); // Rendering options fgSetString("/sim/rendering/fog", "nicest"); fgSetBool("/environment/clouds/status", true); fgSetBool("/sim/startup/fullscreen", false); fgSetBool("/sim/rendering/shading", true); fgSetBool("/sim/rendering/skyblend", true); fgSetBool("/sim/rendering/textures", true); fgSetBool("/sim/rendering/wireframe", false); fgSetInt("/sim/startup/xsize", 800); fgSetInt("/sim/startup/ysize", 600); fgSetInt("/sim/rendering/bits-per-pixel", 16); fgSetString("/sim/view-mode", "pilot"); fgSetDouble("/sim/current-view/heading-offset-deg", 0); fgSetDouble("/environment/visibility-m", 20000); // HUD options fgSetString("/sim/startup/units", "feet"); fgSetString("/sim/hud/frame-stat-type", "tris"); // Time options fgSetInt("/sim/startup/time-offset", 0); fgSetString("/sim/startup/time-offset-type", "system-offset"); fgSetLong("/sim/time/cur-time-override", 0); fgSetBool("/sim/networking/network-olk", false); fgSetString("/sim/networking/call-sign", "Johnny"); // Freeze options fgSetBool("/sim/freeze/master", false); fgSetBool("/sim/freeze/position", false); fgSetBool("/sim/freeze/clock", false); fgSetBool("/sim/freeze/fuel", false); } static bool parse_wind (const string &wind, double * min_hdg, double * max_hdg, double * speed, double * gust) { string::size_type pos = wind.find('@'); if (pos == string::npos) return false; string dir = wind.substr(0, pos); string spd = wind.substr(pos+1); pos = dir.find(':'); if (pos == string::npos) { *min_hdg = *max_hdg = atof(dir.c_str()); } else { *min_hdg = atof(dir.substr(0,pos).c_str()); *max_hdg = atof(dir.substr(pos+1).c_str()); } pos = spd.find(':'); if (pos == string::npos) { *speed = *gust = atof(spd.c_str()); } else { *speed = atof(spd.substr(0,pos).c_str()); *gust = atof(spd.substr(pos+1).c_str()); } return true; } // parse a time string ([+/-]%f[:%f[:%f]]) into hours static double parse_time(const string& time_in) { char *time_str, num[256]; double hours, minutes, seconds; double result = 0.0; int sign = 1; int i; time_str = (char *)time_in.c_str(); // printf("parse_time(): %s\n", time_str); // check for sign if ( strlen(time_str) ) { if ( time_str[0] == '+' ) { sign = 1; time_str++; } else if ( time_str[0] == '-' ) { sign = -1; time_str++; } } // printf("sign = %d\n", sign); // get hours if ( strlen(time_str) ) { i = 0; while ( (time_str[0] != ':') && (time_str[0] != '\0') ) { num[i] = time_str[0]; time_str++; i++; } if ( time_str[0] == ':' ) { time_str++; } num[i] = '\0'; hours = atof(num); // printf("hours = %.2lf\n", hours); result += hours; } // get minutes if ( strlen(time_str) ) { i = 0; while ( (time_str[0] != ':') && (time_str[0] != '\0') ) { num[i] = time_str[0]; time_str++; i++; } if ( time_str[0] == ':' ) { time_str++; } num[i] = '\0'; minutes = atof(num); // printf("minutes = %.2lf\n", minutes); result += minutes / 60.0; } // get seconds if ( strlen(time_str) ) { i = 0; while ( (time_str[0] != ':') && (time_str[0] != '\0') ) { num[i] = time_str[0]; time_str++; i++; } num[i] = '\0'; seconds = atof(num); // printf("seconds = %.2lf\n", seconds); result += seconds / 3600.0; } return(sign * result); } // parse a date string (yyyy:mm:dd:hh:mm:ss) into a time_t (seconds) static long int parse_date( const string& date) { struct tm gmt; char * date_str, num[256]; int i; // initialize to zero gmt.tm_sec = 0; gmt.tm_min = 0; gmt.tm_hour = 0; gmt.tm_mday = 0; gmt.tm_mon = 0; gmt.tm_year = 0; gmt.tm_isdst = 0; // ignore daylight savings time for the moment date_str = (char *)date.c_str(); // get year if ( strlen(date_str) ) { i = 0; while ( (date_str[0] != ':') && (date_str[0] != '\0') ) { num[i] = date_str[0]; date_str++; i++; } if ( date_str[0] == ':' ) { date_str++; } num[i] = '\0'; gmt.tm_year = atoi(num) - 1900; } // get month if ( strlen(date_str) ) { i = 0; while ( (date_str[0] != ':') && (date_str[0] != '\0') ) { num[i] = date_str[0]; date_str++; i++; } if ( date_str[0] == ':' ) { date_str++; } num[i] = '\0'; gmt.tm_mon = atoi(num) -1; } // get day if ( strlen(date_str) ) { i = 0; while ( (date_str[0] != ':') && (date_str[0] != '\0') ) { num[i] = date_str[0]; date_str++; i++; } if ( date_str[0] == ':' ) { date_str++; } num[i] = '\0'; gmt.tm_mday = atoi(num); } // get hour if ( strlen(date_str) ) { i = 0; while ( (date_str[0] != ':') && (date_str[0] != '\0') ) { num[i] = date_str[0]; date_str++; i++; } if ( date_str[0] == ':' ) { date_str++; } num[i] = '\0'; gmt.tm_hour = atoi(num); } // get minute if ( strlen(date_str) ) { i = 0; while ( (date_str[0] != ':') && (date_str[0] != '\0') ) { num[i] = date_str[0]; date_str++; i++; } if ( date_str[0] == ':' ) { date_str++; } num[i] = '\0'; gmt.tm_min = atoi(num); } // get second if ( strlen(date_str) ) { i = 0; while ( (date_str[0] != ':') && (date_str[0] != '\0') ) { num[i] = date_str[0]; date_str++; i++; } if ( date_str[0] == ':' ) { date_str++; } num[i] = '\0'; gmt.tm_sec = atoi(num); } time_t theTime = sgTimeGetGMT( gmt.tm_year, gmt.tm_mon, gmt.tm_mday, gmt.tm_hour, gmt.tm_min, gmt.tm_sec ); //printf ("Date is %s\n", ctime(&theTime)); //printf ("in seconds that is %d\n", theTime); //exit(1); return (theTime); } // parse angle in the form of [+/-]ddd:mm:ss into degrees static double parse_degree( const string& degree_str) { double result = parse_time( degree_str ); // printf("Degree = %.4f\n", result); return(result); } // parse time offset string into seconds static int parse_time_offset( const string& time_str) { int result; // printf("time offset = %s\n", time_str); #ifdef HAVE_RINT result = (int)rint(parse_time(time_str) * 3600.0); #else result = (int)(parse_time(time_str) * 3600.0); #endif // printf("parse_time_offset(): %d\n", result); return( result ); } // Parse --fov=x.xx type option static double parse_fov( const string& arg ) { double fov = atof(arg); if ( fov < FG_FOV_MIN ) { fov = FG_FOV_MIN; } if ( fov > FG_FOV_MAX ) { fov = FG_FOV_MAX; } fgSetDouble("/sim/current-view/field-of-view", fov); // printf("parse_fov(): result = %.4f\n", fov); return fov; } // Parse I/O channel option // // Format is "--protocol=medium,direction,hz,medium_options,..." // // protocol = { native, nmea, garmin, fgfs, rul, pve, etc. } // medium = { serial, socket, file, etc. } // direction = { in, out, bi } // hz = number of times to process channel per second (floating // point values are ok. // // Serial example "--nmea=serial,dir,hz,device,baud" where // // device = OS device name of serial line to be open()'ed // baud = {300, 1200, 2400, ..., 230400} // // Socket exacmple "--native=socket,dir,hz,machine,port,style" where // // machine = machine name or ip address if client (leave empty if server) // port = port, leave empty to let system choose // style = tcp or udp // // File example "--garmin=file,dir,hz,filename" where // // filename = file system file name static bool add_channel( const string& type, const string& channel_str ) { // cout << "Channel string = " << channel_str << endl; globals->get_channel_options_list()->push_back( type + "," + channel_str ); return true; } static void setup_wind (double min_hdg, double max_hdg, double speed, double gust) { fgSetDouble("/environment/wind-from-heading-deg", min_hdg); fgSetDouble("/environment/params/min-wind-from-heading-deg", min_hdg); fgSetDouble("/environment/params/max-wind-from-heading-deg", max_hdg); fgSetDouble("/environment/wind-speed-kt", speed); fgSetDouble("/environment/params/base-wind-speed-kt", speed); fgSetDouble("/environment/params/gust-wind-speed-kt", gust); SG_LOG(SG_GENERAL, SG_INFO, "WIND: " << min_hdg << '@' << speed << " knots" << endl); #ifdef FG_WEATHERCM // convert to fps speed *= SG_NM_TO_METER * SG_METER_TO_FEET * (1.0/3600); while (min_hdg > 360) min_hdg -= 360; while (min_hdg <= 0) min_hdg += 360; min_hdg *= SGD_DEGREES_TO_RADIANS; fgSetDouble("/environment/wind-from-north-fps", speed * cos(dir)); fgSetDouble("/environment/wind-from-east-fps", speed * sin(dir)); #endif // FG_WEATHERCM } // Parse --wp=ID[@alt] static bool parse_wp( const string& arg ) { string id, alt_str; double alt = 0.0; string::size_type pos = arg.find( "@" ); if ( pos != string::npos ) { id = arg.substr( 0, pos ); alt_str = arg.substr( pos + 1 ); // cout << "id str = " << id << " alt str = " << alt_str << endl; alt = atof( alt_str.c_str() ); if ( !strcmp(fgGetString("/sim/startup/units"), "feet") ) { alt *= SG_FEET_TO_METER; } } else { id = arg; } FGAirport a; if ( fgFindAirportID( id, &a ) ) { SGWayPoint wp( a.longitude, a.latitude, alt, SGWayPoint::WGS84, id ); globals->get_route()->add_waypoint( wp ); return true; } else { return false; } } // Parse --flight-plan=[file] static bool parse_flightplan(const string& arg) { sg_gzifstream in(arg.c_str()); if ( !in.is_open() ) { return false; } while ( true ) { string line; #if defined( macintosh ) getline( in, line, '\r' ); #else getline( in, line, '\n' ); #endif // catch extraneous (DOS) line ending character if ( line[line.length() - 1] < 32 ) { line = line.substr( 0, line.length()-1 ); } if ( in.eof() ) { break; } parse_wp(line); } return true; } // Parse a single option static int parse_option (const string& arg) { // General Options if ( (arg == "--help") || (arg == "-h") ) { // help/usage request return(FG_OPTIONS_HELP); } else if ( (arg == "--verbose") || (arg == "-v") ) { // verbose help/usage request return(FG_OPTIONS_VERBOSE_HELP); } else if ( arg.find( "--language=") == 0 ) { globals->set_locale( fgInitLocale( arg.substr( 11 ).c_str() ) ); } else if ( arg == "--disable-game-mode") { fgSetBool("/sim/startup/game-mode", false); } else if ( arg == "--enable-game-mode" ) { fgSetBool("/sim/startup/game-mode", true); } else if ( arg == "--disable-splash-screen" ) { fgSetBool("/sim/startup/splash-screen", false); } else if ( arg == "--enable-splash-screen" ) { fgSetBool("/sim/startup/splash-screen", true); } else if ( arg == "--disable-intro-music" ) { fgSetBool("/sim/startup/intro-music", false); } else if ( arg == "--enable-intro-music" ) { fgSetBool("/sim/startup/intro-music", true); } else if ( arg == "--disable-mouse-pointer" ) { fgSetString("/sim/startup/mouse-pointer", "disabled"); } else if ( arg == "--enable-mouse-pointer" ) { fgSetString("/sim/startup/mouse-pointer", "enabled"); } else if ( arg == "--disable-random-objects" ) { fgSetBool("/sim/rendering/random-objects", false); } else if ( arg == "--enable-random-objects" ) { fgSetBool("/sim/rendering/random-objects", true); } else if ( arg == "--disable-freeze" ) { fgSetBool("/sim/freeze/master", false); } else if ( arg == "--enable-freeze" ) { fgSetBool("/sim/freeze/master", true); } else if ( arg == "--disable-fuel-freeze" ) { fgSetBool("/sim/freeze/fuel", false); } else if ( arg == "--enable-fuel-freeze" ) { fgSetBool("/sim/freeze/fuel", true); } else if ( arg == "--disable-clock-freeze" ) { fgSetBool("/sim/freeze/clock", false); } else if ( arg == "--enable-clock-freeze" ) { fgSetBool("/sim/freeze/clock", true); } else if ( arg == "--disable-anti-alias-hud" ) { fgSetBool("/sim/hud/antialiased", false); } else if ( arg == "--enable-anti-alias-hud" ) { fgSetBool("/sim/hud/antialiased", true); } else if ( arg.find( "--control=") == 0 ) { fgSetString("/sim/control-mode", arg.substr(10).c_str()); } else if ( arg == "--disable-auto-coordination" ) { fgSetBool("/sim/auto-coordination", false); } else if ( arg == "--enable-auto-coordination" ) { fgSetBool("/sim/auto-coordination", true); } else if ( arg.find( "--browser-app=") == 0 ) { fgSetString("/sim/startup/browser-app", arg.substr(14).c_str()); } else if ( arg == "--disable-hud" ) { fgSetBool("/sim/hud/visibility", false); } else if ( arg == "--enable-hud" ) { fgSetBool("/sim/hud/visibility", true); } else if ( arg == "--disable-panel" ) { fgSetBool("/sim/panel/visibility", false); } else if ( arg == "--enable-panel" ) { fgSetBool("/sim/panel/visibility", true); } else if ( arg == "--disable-sound" ) { fgSetBool("/sim/sound/audible", false); } else if ( arg == "--enable-sound" ) { fgSetBool("/sim/sound/audible", true); } else if ( arg.find( "--airport-id=") == 0 ) { // NB: changed property name!!! fgSetString("/sim/startup/airport-id", arg.substr(13).c_str()); } else if ( arg.find( "--offset-distance=") == 0 ) { fgSetDouble("/sim/startup/offset-distance", atof(arg.substr(18))); } else if ( arg.find( "--offset-azimuth=") == 0 ) { fgSetDouble("/sim/startup/offset-azimuth", atof(arg.substr(17))); } else if ( arg.find( "--lon=" ) == 0 ) { fgSetDouble("/position/longitude-deg", parse_degree(arg.substr(6))); fgSetString("/sim/startup/airport-id", ""); } else if ( arg.find( "--lat=" ) == 0 ) { fgSetDouble("/position/latitude-deg", parse_degree(arg.substr(6))); fgSetString("/sim/startup/airport-id", ""); } else if ( arg.find( "--altitude=" ) == 0 ) { fgSetBool("/sim/startup/onground", false); if ( !strcmp(fgGetString("/sim/startup/units"), "feet") ) fgSetDouble("/position/altitude-ft", atof(arg.substr(11))); else fgSetDouble("/position/altitude-ft", atof(arg.substr(11)) * SG_METER_TO_FEET); } else if ( arg.find( "--uBody=" ) == 0 ) { fgSetString("/sim/startup/speed-set", "UVW"); if ( !strcmp(fgGetString("/sim/startup/units"), "feet") ) fgSetDouble("/velocities/uBody-fps", atof(arg.substr(8))); else fgSetDouble("/velocities/uBody-fps", atof(arg.substr(8)) * SG_METER_TO_FEET); } else if ( arg.find( "--vBody=" ) == 0 ) { fgSetString("/sim/startup/speed-set", "UVW"); if ( !strcmp(fgGetString("/sim/startup/units"), "feet") ) fgSetDouble("/velocities/vBody-fps", atof(arg.substr(8))); else fgSetDouble("/velocities/vBody-fps", atof(arg.substr(8)) * SG_METER_TO_FEET); } else if ( arg.find( "--wBody=" ) == 0 ) { fgSetString("/sim/startup/speed-set", "UVW"); if ( !strcmp(fgGetString("/sim/startup/units"), "feet") ) fgSetDouble("/velocities/wBody-fps", atof(arg.substr(8))); else fgSetDouble("/velocities/wBody-fps", atof(arg.substr(8)) * SG_METER_TO_FEET); } else if ( arg.find( "--vNorth=" ) == 0 ) { fgSetString("/sim/startup/speed-set", "NED"); if ( !strcmp(fgGetString("/sim/startup/units"), "feet") ) fgSetDouble("/velocities/speed-north-fps", atof(arg.substr(9))); else fgSetDouble("/velocities/speed-north-fps", atof(arg.substr(9)) * SG_METER_TO_FEET); } else if ( arg.find( "--vEast=" ) == 0 ) { fgSetString("/sim/startup/speed-set", "NED"); if ( !strcmp(fgGetString("/sim/startup/units"), "feet") ) fgSetDouble("/velocities/speed-east-fps", atof(arg.substr(8))); else fgSetDouble("/velocities/speed-east-fps", atof(arg.substr(8)) * SG_METER_TO_FEET); } else if ( arg.find( "--vDown=" ) == 0 ) { fgSetString("/sim/startup/speed-set", "NED"); if ( !strcmp(fgGetString("/sim/startup/units"), "feet") ) fgSetDouble("/velocities/speed-down-fps", atof(arg.substr(8))); else fgSetDouble("/velocities/speed-down-fps", atof(arg.substr(8)) * SG_METER_TO_FEET); } else if ( arg.find( "--vc=" ) == 0) { fgSetString("/sim/startup/speed-set", "knots"); fgSetDouble("/velocities/airspeed-kt", atof(arg.substr(5))); } else if ( arg.find( "--mach=" ) == 0) { fgSetString("/sim/startup/speed-set", "mach"); fgSetDouble("/velocities/mach", atof(arg.substr(7))); } else if ( arg.find( "--heading=" ) == 0 ) { fgSetDouble("/orientation/heading-deg", atof(arg.substr(10))); } else if ( arg.find( "--roll=" ) == 0 ) { fgSetDouble("/orientation/roll-deg", atof(arg.substr(7))); } else if ( arg.find( "--pitch=" ) == 0 ) { fgSetDouble("/orientation/pitch-deg", atof(arg.substr(8))); } else if ( arg.find( "--glideslope=" ) == 0 ) { fgSetDouble("/velocities/glideslope", atof(arg.substr(13)) *SG_DEGREES_TO_RADIANS); } else if ( arg.find( "--roc=" ) == 0 ) { fgSetDouble("/velocities/vertical-speed-fps", atof(arg.substr(6))/60); } else if ( arg.find( "--fg-root=" ) == 0 ) { globals->set_fg_root(arg.substr( 10 )); } else if ( arg.find( "--fg-scenery=" ) == 0 ) { globals->set_fg_scenery(arg.substr( 13 )); } else if ( arg.find( "--fdm=" ) == 0 ) { fgSetString("/sim/flight-model", arg.substr(6).c_str()); } else if ( arg.find( "--aero=" ) == 0 ) { fgSetString("/sim/aero", arg.substr(7).c_str()); } else if ( arg.find( "--aircraft-dir=" ) == 0 ) { fgSetString("/sim/aircraft-dir", arg.substr(15).c_str()); } else if ( arg.find( "--show-aircraft") == 0) { return(FG_OPTIONS_SHOW_AIRCRAFT); } else if ( arg.find( "--model-hz=" ) == 0 ) { fgSetInt("/sim/model-hz", atoi(arg.substr(11))); } else if ( arg.find( "--speed=" ) == 0 ) { fgSetInt("/sim/speed-up", atoi(arg.substr(8))); } else if ( arg.find( "--trim") == 0) { fgSetBool("/sim/startup/trim", true); } else if ( arg.find( "--notrim") == 0) { fgSetBool("/sim/startup/trim", false); } else if ( arg.find( "--on-ground") == 0) { fgSetBool("/sim/startup/onground", true); } else if ( arg.find( "--in-air") == 0) { fgSetBool("/sim/startup/onground", false); } else if ( arg == "--fog-disable" ) { fgSetString("/sim/rendering/fog", "disabled"); } else if ( arg == "--fog-fastest" ) { fgSetString("/sim/rendering/fog", "fastest"); } else if ( arg == "--fog-nicest" ) { fgSetString("/sim/fog", "nicest"); } else if ( arg == "--disable-clouds" ) { fgSetBool("/environment/clouds/status", false); } else if ( arg == "--enable-clouds" ) { fgSetBool("/environment/clouds/status", true); } else if ( arg == "--disable-clouds3d" ) { fgSetBool("/sim/rendering/clouds3d", false); } else if ( arg == "--enable-clouds3d" ) { fgSetBool("/sim/rendering/clouds3d", true); } else if ( arg.find( "--fov=" ) == 0 ) { parse_fov( arg.substr(6) ); } else if ( arg == "--disable-fullscreen" ) { fgSetBool("/sim/startup/fullscreen", false); } else if ( arg== "--enable-fullscreen") { fgSetBool("/sim/startup/fullscreen", true); } else if ( arg == "--shading-flat") { fgSetBool("/sim/rendering/shading", false); } else if ( arg == "--shading-smooth") { fgSetBool("/sim/rendering/shading", true); } else if ( arg == "--disable-skyblend") { fgSetBool("/sim/rendering/skyblend", false); } else if ( arg== "--enable-skyblend" ) { fgSetBool("/sim/rendering/skyblend", true); } else if ( arg == "--disable-textures" ) { fgSetBool("/sim/rendering/textures", false); } else if ( arg == "--enable-textures" ) { fgSetBool("/sim/rendering/textures", true); } else if ( arg == "--disable-wireframe" ) { fgSetBool("/sim/rendering/wireframe", false); } else if ( arg == "--enable-wireframe" ) { fgSetBool("/sim/rendering/wireframe", true); } else if ( arg.find( "--geometry=" ) == 0 ) { bool geometry_ok = true; int xsize = 0, ysize = 0; string geometry = arg.substr( 11 ); string::size_type i = geometry.find('x'); if (i != string::npos) { xsize = atoi(geometry.substr(0, i)); ysize = atoi(geometry.substr(i+1)); } else { geometry_ok = false; } if ( xsize <= 0 || ysize <= 0 ) { xsize = 640; ysize = 480; geometry_ok = false; } if ( !geometry_ok ) { SG_LOG( SG_GENERAL, SG_ALERT, "Unknown geometry: " << geometry ); SG_LOG( SG_GENERAL, SG_ALERT, "Setting geometry to " << xsize << 'x' << ysize << '\n'); } else { SG_LOG( SG_GENERAL, SG_INFO, "Setting geometry to " << xsize << 'x' << ysize << '\n'); fgSetInt("/sim/startup/xsize", xsize); fgSetInt("/sim/startup/ysize", ysize); } } else if ( arg.find( "--bpp=" ) == 0 ) { string bits_per_pix = arg.substr( 6 ); if ( bits_per_pix == "16" ) { fgSetInt("/sim/rendering/bits-per-pixel", 16); } else if ( bits_per_pix == "24" ) { fgSetInt("/sim/rendering/bits-per-pixel", 24); } else if ( bits_per_pix == "32" ) { fgSetInt("/sim/rendering/bits-per-pixel", 32); } else { SG_LOG(SG_GENERAL, SG_ALERT, "Unsupported bpp " << bits_per_pix); } } else if ( arg == "--units-feet" ) { fgSetString("/sim/startup/units", "feet"); } else if ( arg == "--units-meters" ) { fgSetString("/sim/startup/units", "meters"); } else if ( arg.find( "--time-offset" ) == 0 ) { fgSetInt("/sim/startup/time-offset", parse_time_offset( (arg.substr(14)) )); fgSetString("/sim/startup/time-offset-type", "system-offset"); } else if ( arg.find( "--time-match-real") == 0 ) { fgSetString("/sim/startup/time-offset-type", "system-offset"); } else if ( arg.find( "--time-match-local") == 0 ) { fgSetString("/sim/startup/time-offset-type", "latitude-offset"); } else if ( arg.find( "--start-date-sys=") == 0 ) { fgSetInt("/sim/startup/time-offset", parse_date((arg.substr(17)))); fgSetString("/sim/startup/time-offset-type", "system"); } else if ( arg.find( "--start-date-lat=") == 0 ) { fgSetInt("/sim/startup/time-offset", parse_date((arg.substr(17)))); fgSetString("/sim/startup/time-offset-type", "latitude"); } else if ( arg.find( "--start-date-gmt=") == 0 ) { fgSetInt("/sim/startup/time-offset", parse_date((arg.substr(17)))); fgSetString("/sim/startup/time-offset-type", "gmt"); } else if ( arg == "--hud-tris" ) { fgSetString("/sim/hud/frame-stat-type", "tris"); } else if ( arg == "--hud-culled" ) { fgSetString("/sim/hud/frame-stat-type", "culled"); } else if ( arg.find( "--atc610x" ) == 0 ) { add_channel( "atc610x", "dummy" ); } else if ( arg.find( "--atlas=" ) == 0 ) { add_channel( "atlas", arg.substr(8) ); } else if ( arg.find( "--httpd=" ) == 0 ) { add_channel( "httpd", arg.substr(8) ); #ifdef FG_JPEG_SERVER } else if ( arg.find( "--jpg-httpd=" ) == 0 ) { add_channel( "jpg-httpd", arg.substr(12) ); #endif } else if ( arg.find( "--native=" ) == 0 ) { add_channel( "native", arg.substr(9) ); } else if ( arg.find( "--native-ctrls=" ) == 0 ) { add_channel( "native_ctrls", arg.substr(15) ); } else if ( arg.find( "--native-fdm=" ) == 0 ) { add_channel( "native_fdm", arg.substr(13) ); } else if ( arg.find( "--opengc=" ) == 0 ) { // char stop; // cout << "Adding channel for OpenGC Display" << endl; cin >> stop; add_channel( "opengc", arg.substr(9) ); } else if ( arg.find( "--garmin=" ) == 0 ) { add_channel( "garmin", arg.substr(9) ); } else if ( arg.find( "--nmea=" ) == 0 ) { add_channel( "nmea", arg.substr(7) ); } else if ( arg.find( "--props=" ) == 0 ) { add_channel( "props", arg.substr(8) ); } else if ( arg.find( "--telnet=" ) == 0 ) { add_channel( "telnet", arg.substr(9) ); } else if ( arg.find( "--pve=" ) == 0 ) { add_channel( "pve", arg.substr(6) ); } else if ( arg.find( "--ray=" ) == 0 ) { add_channel( "ray", arg.substr(6) ); } else if ( arg.find( "--rul=" ) == 0 ) { add_channel( "rul", arg.substr(6) ); } else if ( arg.find( "--joyclient=" ) == 0 ) { add_channel( "joyclient", arg.substr(12) ); #ifdef FG_NETWORK_OLK } else if ( arg == "--disable-network-olk" ) { fgSetBool("/sim/networking/olk", false); } else if ( arg== "--enable-network-olk") { fgSetBool("/sim/networking/olk", true); } else if ( arg == "--net-hud" ) { fgSetBool("/sim/hud/net-display", true); net_hud_display = 1; // FIXME } else if ( arg.find( "--net-id=") == 0 ) { fgSetString("sim/networking/call-sign", arg.substr(9).c_str()); #endif } else if ( arg.find( "--prop:" ) == 0 ) { string assign = arg.substr(7); string::size_type pos = assign.find('='); if ( pos == arg.npos || pos == 0 ) { SG_LOG( SG_GENERAL, SG_ALERT, "Bad property assignment: " << arg ); return FG_OPTIONS_ERROR; } string name = assign.substr(0, pos); string value = assign.substr(pos + 1); fgSetString(name.c_str(), value.c_str()); // SG_LOG(SG_GENERAL, SG_INFO, "Setting default value of property " // << name << " to \"" << value << '"'); } else if ( arg.find("--trace-read=") == 0) { string name = arg.substr(13); SG_LOG(SG_GENERAL, SG_INFO, "Tracing reads for property " << name); fgGetNode(name.c_str(), true) ->setAttribute(SGPropertyNode::TRACE_READ, true); } else if ( arg.find("--trace-write=") == 0) { string name = arg.substr(14); SG_LOG(SG_GENERAL, SG_INFO, "Tracing writes for property " << name); fgGetNode(name.c_str(), true) ->setAttribute(SGPropertyNode::TRACE_WRITE, true); } else if ( arg.find( "--view-offset=" ) == 0 ) { // $$$ begin - added VS Renganathan, 14 Oct 2K // for multi-window outside window imagery string woffset = arg.substr( 14 ); double default_view_offset = 0.0; if ( woffset == "LEFT" ) { default_view_offset = SGD_PI * 0.25; } else if ( woffset == "RIGHT" ) { default_view_offset = SGD_PI * 1.75; } else if ( woffset == "CENTER" ) { default_view_offset = 0.00; } else { default_view_offset = atof( woffset.c_str() ) * SGD_DEGREES_TO_RADIANS; } /* apparently not used (CLO, 11 Jun 2002) FGViewer *pilot_view = (FGViewer *)globals->get_viewmgr()->get_view( 0 ); */ // this will work without calls to the viewer... fgSetDouble( "/sim/current-view/heading-offset-deg", default_view_offset * SGD_RADIANS_TO_DEGREES ); // $$$ end - added VS Renganathan, 14 Oct 2K } else if ( arg.find( "--visibility=" ) == 0 ) { fgSetDouble("/environment/visibility-m", atof(arg.substr(13))); } else if ( arg.find( "--visibility-miles=" ) == 0 ) { double visibility = atof(arg.substr(19)) * 5280.0 * SG_FEET_TO_METER; fgSetDouble("/environment/visibility-m", visibility); } else if ( arg.find( "--random-wind" ) == 0 ) { double min_hdg = sg_random() * 360.0; double max_hdg = min_hdg + (20 - sqrt(sg_random() * 400)); double speed = 40 - sqrt(sg_random() * 1600.0); double gust = speed + (10 - sqrt(sg_random() * 100)); setup_wind(min_hdg, max_hdg, speed, gust); } else if ( arg.find( "--wind=" ) == 0 ) { double min_hdg, max_hdg, speed, gust; if (!parse_wind(arg.substr(7), &min_hdg, &max_hdg, &speed, &gust)) { SG_LOG( SG_GENERAL, SG_ALERT, "bad wind value " << arg.substr(7) ); return FG_OPTIONS_ERROR; } setup_wind(min_hdg, max_hdg, speed, gust); } else if ( arg.find( "--wp=" ) == 0 ) { parse_wp( arg.substr( 5 ) ); } else if ( arg.find( "--flight-plan=") == 0) { parse_flightplan ( arg.substr (14) ); } else if ( arg.find( "--config=" ) == 0 ) { string file = arg.substr(9); try { readProperties(file, globals->get_props()); } catch (const sg_exception &e) { string message = "Error loading config file: "; message += e.getFormattedMessage(); SG_LOG(SG_INPUT, SG_ALERT, message); exit(2); } } else if ( arg.find( "--aircraft=" ) == 0 ) { // read in the top level aircraft definition file SGPath apath( globals->get_fg_root() ); apath.append( "Aircraft" ); apath.append( arg.substr(11) ); apath.concat( "-set.xml" ); SG_LOG(SG_INPUT, SG_INFO, "Reading aircraft: " << arg.substr(11) << " from " << apath.str()); readProperties( apath.str(), globals->get_props() ); } else { SG_LOG( SG_GENERAL, SG_ALERT, "Unknown option '" << arg << "'" ); return FG_OPTIONS_ERROR; } return FG_OPTIONS_OK; } // Scan the command line options for an fg_root definition and set // just that. string fgScanForRoot (int argc, char **argv) { int i = 1; SG_LOG(SG_GENERAL, SG_INFO, "Scanning for root: command line"); while ( i < argc ) { SG_LOG( SG_GENERAL, SG_DEBUG, "argv[" << i << "] = " << argv[i] ); string arg = argv[i]; if ( arg.find( "--fg-root=" ) == 0 ) { return arg.substr( 10 ); } i++; } return ""; } // Scan the config file for an fg_root definition and set just that. string fgScanForRoot (const string& path) { sg_gzifstream in( path ); if ( !in.is_open() ) return ""; SG_LOG( SG_GENERAL, SG_INFO, "Scanning for root: " << path ); in >> skipcomment; #ifndef __MWERKS__ while ( ! in.eof() ) { #else char c = '\0'; while ( in.get(c) && c != '\0' ) { in.putback(c); #endif string line; #if defined( macintosh ) getline( in, line, '\r' ); #else getline( in, line, '\n' ); #endif // catch extraneous (DOS) line ending character if ( line[line.length() - 1] < 32 ) { line = line.substr( 0, line.length()-1 ); } if ( line.find( "--fg-root=" ) == 0 ) { return line.substr( 10 ); } in >> skipcomment; } return ""; } // Parse the command line options void fgParseArgs (int argc, char **argv) { bool in_options = true; bool verbose = false; bool help = false; SG_LOG(SG_GENERAL, SG_INFO, "Processing command line arguments"); for (int i = 1; i < argc; i++) { string arg = argv[i]; if (in_options && (arg.find('-') == 0)) { if (arg == "--") { in_options = false; } else { int result = parse_option(arg); if ((result == FG_OPTIONS_HELP) || (result == FG_OPTIONS_ERROR)) help = true; else if (result == FG_OPTIONS_VERBOSE_HELP) verbose = true; else if (result == FG_OPTIONS_SHOW_AIRCRAFT) { fgShowAircraft(); exit(0); } } } else { in_options = false; SG_LOG(SG_GENERAL, SG_INFO, "Reading command-line property file " << arg); readProperties(arg, globals->get_props()); } } if (help) { fgUsage(verbose); exit(0); } SG_LOG(SG_GENERAL, SG_INFO, "Finished command line arguments"); } // Parse config file options void fgParseOptions (const string& path) { sg_gzifstream in( path ); if ( !in.is_open() ) { return; } SG_LOG( SG_GENERAL, SG_INFO, "Processing config file: " << path ); in >> skipcomment; #ifndef __MWERKS__ while ( ! in.eof() ) { #else char c = '\0'; while ( in.get(c) && c != '\0' ) { in.putback(c); #endif string line; #if defined( macintosh ) getline( in, line, '\r' ); #else getline( in, line, '\n' ); #endif // catch extraneous (DOS) line ending character if ( line[line.length() - 1] < 32 ) { line = line.substr( 0, line.length()-1 ); } if ( parse_option( line ) == FG_OPTIONS_ERROR ) { cerr << endl << "Config file parse error: " << path << " '" << line << "'" << endl; fgUsage(); exit(-1); } in >> skipcomment; } } // Print usage message void fgUsage (bool verbose) { SGPropertyNode *locale = globals->get_locale(); SGPropertyNode options_root; SGPath opath( globals->get_fg_root() ); opath.append( "options.xml" ); cout << "" << endl; try { readProperties(opath.c_str(), &options_root); } catch (const sg_exception &ex) { cout << "Unable to read the help file." << endl; cout << "Make sure the file options.xml is located in the FlightGear base directory," << endl; cout << "and the location of the base directory is specified by setting $FG_ROOT or" << endl; cout << "by adding --fg-root=path as a program argument." << endl; exit(-1); } SGPropertyNode *options = options_root.getNode("options"); if (!options) { SG_LOG( SG_GENERAL, SG_ALERT, "Error reading options.xml: directive not found." ); exit(-1); } SGPropertyNode *usage = locale->getNode(options->getStringValue("usage")); if (usage) { cout << "Usage: " << usage->getStringValue() << endl; } vectorsection = options->getChildren("section"); for (unsigned int j = 0; j < section.size(); j++) { string msg = ""; vectoroption = section[j]->getChildren("option"); for (unsigned int k = 0; k < option.size(); k++) { SGPropertyNode *name = option[k]->getNode("name"); SGPropertyNode *short_name = option[k]->getNode("short"); SGPropertyNode *key = option[k]->getNode("key"); SGPropertyNode *arg = option[k]->getNode("arg"); bool brief = option[k]->getNode("brief"); if ((brief || verbose) && name) { string tmp = name->getStringValue(); if (key){ tmp.append(":"); tmp.append(key->getStringValue()); } if (arg) { tmp.append("="); tmp.append(arg->getStringValue()); } if (short_name) { tmp.append(", -"); tmp.append(short_name->getStringValue()); } char cstr[96]; if (tmp.size() <= 25) { snprintf(cstr, 96, " --%-27s", tmp.c_str()); } else { snprintf(cstr, 96, "\n --%s\n%32c", tmp.c_str(), ' '); } // There may be more than one tag assosiated // with one option msg += cstr; vectordesc = option[k]->getChildren("description"); if (desc.size() > 0) { for ( unsigned int l = 0; l < desc.size(); l++) { // There may be more than one translation line. string t = desc[l]->getStringValue(); SGPropertyNode *n = locale->getNode("strings"); vectortrans_desc = n->getChildren(t.substr(8).c_str()); for ( unsigned int m = 0; m < trans_desc.size(); m++ ) { string t_str = trans_desc[m]->getStringValue(); if ((m > 0) || ((l > 0) && m == 0)) { snprintf(cstr, 96, "%32c", ' '); msg += cstr; } // If the string is too large to fit on the screen, // then split it up in several pieces. while ( t_str.size() > 47 ) { unsigned int m = t_str.rfind(' ', 47); msg += t_str.substr(0, m); snprintf(cstr, 96, "\n%32c", ' '); msg += cstr; t_str.erase(t_str.begin(), t_str.begin() + m + 1); } msg += t_str + '\n'; } } } } } SGPropertyNode *name = locale->getNode(section[j]->getStringValue("name")); if (!msg.empty() && name) { cout << endl << name->getStringValue() << ":" << endl; cout << msg; msg.erase(); } } if ( !verbose ) { cout << endl; cout << "For a complete list of options use --help --verbose" << endl; } } // Show available aircraft types void fgShowAircraft(void) { SGPath path( globals->get_fg_root() ); path.append("Aircraft"); ulDirEnt* dire; ulDir *dirp; dirp = ulOpenDir(path.c_str()); if (dirp == NULL) { cerr << "Unable to open aircraft directory." << endl; exit(-1); } cout << "Available aircraft:" << endl; while ((dire = ulReadDir(dirp)) != NULL) { char *ptr; if ((ptr = strstr(dire->d_name, "-set.xml")) && ptr[8] == '\0' ) { SGPath afile = path; afile.append(dire->d_name); *ptr = '\0'; SGPropertyNode root; try { readProperties(afile.str(), &root); } catch (...) { continue; } SGPropertyNode *desc, *node = root.getNode("sim"); if (node) desc = node->getNode("description"); char cstr[96]; if (strlen(dire->d_name) <= 27) snprintf(cstr, 96, " %-27s %s", dire->d_name, (desc) ? desc->getStringValue() : "" ); else snprintf(cstr, 96, " %-27s\n%32c%s", dire->d_name, ' ', (desc) ? desc->getStringValue() : "" ); cout << cstr << endl; } } ulCloseDir(dirp); }