#include <stdio.h>
#include <stdlib.h> // atof(), atoi()
#include <string.h>
+#include <string>
#include <Debug/fg_debug.h>
+#include <Flight/flight.hxx>
+#include <Include/fg_constants.h>
+#include <Misc/fgstream.hxx>
#include "options.hxx"
+const int fgOPTIONS::FG_RADIUS_MIN;
+const int fgOPTIONS::FG_RADIUS_MAX;
+
+inline double
+atof( const string& str )
+{
+ return ::atof( str.c_str() );
+}
+
+inline int
+atoi( const string& str )
+{
+ return ::atoi( str.c_str() );
+}
// Defined the shared options class here
fgOPTIONS current_options;
// Constructor
-fgOPTIONS::fgOPTIONS( void ) {
- // set initial values/defaults
+fgOPTIONS::fgOPTIONS() :
+ // starting longitude in degrees (west = -)
+ // starting latitude in degrees (south = -)
+
+ // Default initial position is Globe, AZ (P13)
+ lon(-110.6642444),
+ lat( 33.3528917),
+
+ // North of the city of Globe
+ // lon(-110.7),
+ // lat( 33.4),
+
+ // North of the city of Globe
+ // lon(-110.742578),
+ // lat( 33.507122),
+
+ // Near where I used to live in Globe, AZ
+ // lon(-110.766000),
+ // lat( 33.377778),
+
+ // 10125 Jewell St. NE
+ // lon(-93.15),
+ // lat( 45.15),
+
+ // Near KHSP (Hot Springs, VA)
+ // lon(-79.8338964 + 0.01),
+ // lat( 37.9514564 + 0.008),
+
+ // (SEZ) SEDONA airport
+ // lon(-111.7884614 + 0.01),
+ // lat( 34.8486289 - 0.015),
- strcpy(airport_id, "");
+ // Somewhere near the Grand Canyon
+ // lon(-112.5),
+ // lat( 36.5),
+
+ // Jim Brennon's Kingmont Observatory
+ // lon(-121.1131667),
+ // lat( 38.8293917),
+
+ // Huaras, Peru (S09d 31.871' W077d 31.498')
+ // lon(-77.5249667),
+ // lat( -9.5311833),
+
+ // Eclipse Watching w73.5 n10 (approx) 18:00 UT
+ // lon(-73.5),
+ // lat( 10.0),
+
+ // Test Position
+ // lon( 8.5),
+ // lat(47.5),
+
+ // Timms Hill (WI)
+ // lon(-90.1953055556),
+ // lat( 45.4511388889),
+
+ // starting altitude in meters (this will be reset to ground level
+ // if it is lower than the terrain
+ altitude(-9999.0),
+
+ // Initial Orientation
+ heading(270.0), // heading (yaw) angle in degress (Psi)
+ roll(0.0), // roll angle in degrees (Phi)
+ pitch(0.424), // pitch angle in degrees (Theta)
+
+ // Miscellaneous
+ game_mode(0),
+ splash_screen(1),
+ intro_music(1),
+ mouse_pointer(0),
+ pause(0),
// Features
- hud_status = 0;
+ hud_status(1),
+ panel_status(0),
+ sound(1),
+
+ // Flight Model options
+ flight_model(FG_LARCSIM),
// Rendering options
- fog = 1;
- fullscreen = 0;
- shading = 1;
- skyblend = 1;
- textures = 1;
- wireframe = 0;
+ fog(FG_FOG_NICEST), // nicest
+ fov(55.0),
+ fullscreen(0),
+ shading(1),
+ skyblend(1),
+ textures(1),
+ wireframe(0),
// Scenery options
- tile_radius = 7;
+ tile_diameter(5),
+ // HUD options
+ tris_or_culled(0),
+
// Time options
- time_offset = 0;
+ time_offset(0)
+{
+ // set initial values/defaults
+ char* envp = ::getenv( "FG_ROOT" );
+
+ if ( envp != NULL ) {
+ // fg_root could be anywhere, so default to environmental
+ // variable $FG_ROOT if it is set.
+ fg_root = envp;
+ } else {
+ // Otherwise, default to a random compiled in location if
+ // $FG_ROOT is not set. This can still be overridden from the
+ // command line or a config file.
+
+#if defined(WIN32)
+ fg_root = "\\FlightGear";
+#else
+ fg_root = "/usr/local/lib/FlightGear";
+#endif
+ }
+
+ airport_id = ""; // default airport id
}
-// parse time string in the form of [+-]hh:mm:ss, returns the value in seconds
-static double parse_time(char *time_str) {
- char num[256];
+double
+fgOPTIONS::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
hours = atof(num);
// printf("hours = %.2lf\n", hours);
- result += hours * 3600.0;
+ result += hours;
}
// get minutes
minutes = atof(num);
// printf("minutes = %.2lf\n", minutes);
- result += minutes * 60.0;
+ result += minutes / 60.0;
}
// get seconds
seconds = atof(num);
// printf("seconds = %.2lf\n", seconds);
- result += seconds;
+ result += seconds / 3600.0;
}
return(sign * result);
}
+// parse degree in the form of [+/-]hhh:mm:ss
+double
+fgOPTIONS::parse_degree( const string& degree_str) {
+ double result = parse_time( degree_str );
+
+ // printf("Degree = %.4f\n", result);
+
+ return(result);
+}
+
+
// parse time offset command line option
-static int parse_time_offset(char *time_str) {
+int
+fgOPTIONS::parse_time_offset( const string& time_str) {
int result;
- time_str += 14;
-
// printf("time offset = %s\n", time_str);
#ifdef HAVE_RINT
- result = (int)rint(parse_time(time_str));
+ result = (int)rint(parse_time(time_str) * 3600.0);
#else
- result = (int)parse_time(time_str);
+ result = (int)(parse_time(time_str) * 3600.0);
#endif
- printf("parse_time_offset(): %d\n", result);
+ // printf("parse_time_offset(): %d\n", result);
return( result );
}
-// Parse an int out of a --foo-bar=n type option
-static int parse_int(char *arg, int min, int max) {
- int result;
+// Parse --tile-diameter=n type option
+
+int
+fgOPTIONS::parse_tile_radius( const string& arg ) {
+ int radius = atoi( arg );
+
+ if ( radius < FG_RADIUS_MIN ) { radius = FG_RADIUS_MIN; }
+ if ( radius > FG_RADIUS_MAX ) { radius = FG_RADIUS_MAX; }
+
+ // printf("parse_tile_radius(): radius = %d\n", radius);
- // advance past the '='
- while ( (arg[0] != '=') && (arg[0] != '\0') ) {
- arg++;
+ return(radius);
+}
+
+
+// Parse --flightmode=abcdefg type option
+int
+fgOPTIONS::parse_flight_model( const string& fm ) {
+ // printf("flight model = %s\n", fm);
+
+ if ( fm == "slew" ) {
+ return(FG_SLEW);
+ } else if ( (fm == "larcsim") || (fm == "LaRCsim") ) {
+ return(FG_LARCSIM);
+ } else {
+ fgPrintf( FG_GENERAL, FG_EXIT, "Unknown flight model = %s\n",
+ fm.c_str());
}
-
- result = atoi(arg);
- if ( result < min ) { result = min; }
- if ( result > max ) { result = max; }
+ // we'll never get here, but it makes the compiler happy.
+ return(-1);
+}
- return(result);
+
+// Parse --fov=x.xx type option
+double
+fgOPTIONS::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; }
+
+ // printf("parse_fov(): result = %.4f\n", fov);
+
+ return(fov);
+}
+
+
+// Parse a single option
+int fgOPTIONS::parse_option( const string& arg ) {
+ // General Options
+ if ( (arg == "--help") || (arg == "-h") ) {
+ // help/usage request
+ return(FG_OPTIONS_HELP);
+ } else if ( arg == "--disable-game-mode") {
+ game_mode = false;
+ } else if ( arg == "--enable-game-mode" ) {
+ game_mode = true;
+ } else if ( arg == "--disable-splash-screen" ) {
+ splash_screen = false;
+ } else if ( arg == "--enable-splash-screen" ) {
+ splash_screen = true;
+ } else if ( arg == "--disable-intro-music" ) {
+ intro_music = false;
+ } else if ( arg == "--enable-intro-music" ) {
+ intro_music = true;
+ } else if ( arg == "--disable-mouse-pointer" ) {
+ mouse_pointer = 1;
+ } else if ( arg == "--enable-mouse-pointer" ) {
+ mouse_pointer = 2;
+ } else if ( arg == "--disable-pause" ) {
+ pause = false;
+ } else if ( arg == "--enable-pause" ) {
+ pause = true;
+ } else if ( arg == "--disable-hud" ) {
+ hud_status = false;
+ } else if ( arg == "--enable-hud" ) {
+ hud_status = true;
+ } else if ( arg == "--disable-panel" ) {
+ panel_status = false;
+ } else if ( arg == "--enable-panel" ) {
+ panel_status = true;
+ } else if ( arg == "--disable-sound" ) {
+ sound = false;
+ } else if ( arg == "--enable-sound" ) {
+ sound = true;
+ } else if ( arg.find( "--airport-id=") != string::npos ) {
+ airport_id = arg.substr( 13 );
+ } else if ( arg.find( "--lon=" ) != string::npos ) {
+ lon = parse_degree( arg.substr(6) );
+ } else if ( arg.find( "--lat=" ) != string::npos ) {
+ lat = parse_degree( arg.substr(6) );
+ } else if ( arg.find( "--altitude=" ) != string::npos ) {
+ altitude = atof( arg.substr(11) );
+ } else if ( arg.find( "--heading=" ) != string::npos ) {
+ heading = atof( arg.substr(10) );
+ } else if ( arg.find( "--roll=" ) != string::npos ) {
+ roll = atof( arg.substr(7) );
+ } else if ( arg.find( "--pitch=" ) != string::npos ) {
+ pitch = atof( arg.substr(8) );
+ } else if ( arg.find( "--fg-root=" ) != string::npos ) {
+ fg_root = arg.substr( 10 );
+ } else if ( arg.find( "--flight-model=" ) != string::npos ) {
+ flight_model = parse_flight_model( arg.substr(15) );
+ } else if ( arg == "--fog-disable" ) {
+ fog = FG_FOG_DISABLED;
+ } else if ( arg == "--fog-fastest" ) {
+ fog = FG_FOG_FASTEST;
+ } else if ( arg == "--fog-nicest" ) {
+ fog = FG_FOG_NICEST;
+ } else if ( arg.find( "--fov=" ) != string::npos ) {
+ fov = parse_fov( arg.substr(6) );
+ } else if ( arg == "--disable-fullscreen" ) {
+ fullscreen = false;
+ } else if ( arg== "--enable-fullscreen") {
+ fullscreen = true;
+ } else if ( arg == "--shading-flat") {
+ shading = 0;
+ } else if ( arg == "--shading-smooth") {
+ shading = 1;
+ } else if ( arg == "--disable-skyblend") {
+ skyblend = false;
+ } else if ( arg== "--enable-skyblend" ) {
+ skyblend = true;
+ } else if ( arg == "--disable-textures" ) {
+ textures = false;
+ } else if ( arg == "--enable-textures" ) {
+ textures = true;
+ } else if ( arg == "--disable-wireframe" ) {
+ wireframe = false;
+ } else if ( arg == "--enable-wireframe" ) {
+ wireframe = true;
+ } else if ( arg.find( "--tile-radius=" ) != string::npos ) {
+ tile_radius = parse_tile_radius( arg.substr(14) );
+ tile_diameter = tile_radius * 2 + 1;
+ } else if ( arg.find( "--time-offset=" ) != string::npos ) {
+ time_offset = parse_time_offset( (arg.substr(14)) );
+ } else if ( arg == "--hud-tris" ) {
+ tris_or_culled = 0;
+ } else if ( arg == "--hud-culled" ) {
+ tris_or_culled = 1;
+ } else {
+ fgPrintf( FG_GENERAL, FG_EXIT, "Unknown option '%s'\n",
+ arg.c_str() );
+ return(FG_OPTIONS_ERROR);
+ }
+
+ return(FG_OPTIONS_OK);
}
// Parse the command line options
-int fgOPTIONS::parse( int argc, char **argv ) {
+int fgOPTIONS::parse_command_line( int argc, char **argv ) {
int i = 1;
+ int result;
- fgPrintf(FG_GENERAL, FG_INFO, "Processing arguments\n");
+ fgPrintf(FG_GENERAL, FG_INFO, "Processing command line arguments\n");
while ( i < argc ) {
- fgPrintf(FG_GENERAL, FG_INFO, "argv[%d] = %s\n", i, argv[i]);
-
- // General Options
- if ( (strcmp(argv[i], "--help") == 0) ||
- (strcmp(argv[i], "-h") == 0) ) {
- // help/usage request
- return(FG_OPTIONS_HELP);
- } else if ( strcmp(argv[i], "--disable-hud") == 0 ) {
- hud_status = 0;
- } else if ( strcmp(argv[i], "--enable-hud") == 0 ) {
- hud_status = 1;
- } else if ( strncmp(argv[i], "--airport-id=", 13) == 0 ) {
- argv[i] += 13;
- strncpy(airport_id, argv[i], 4);
- } else if ( strcmp(argv[i], "--disable-fog") == 0 ) {
- fog = 0;
- } else if ( strcmp(argv[i], "--enable-fog") == 0 ) {
- fog = 1;
- } else if ( strcmp(argv[i], "--disable-fullscreen") == 0 ) {
- fullscreen = 0;
- } else if ( strcmp(argv[i], "--enable-fullscreen") == 0 ) {
- fullscreen = 1;
- } else if ( strcmp(argv[i], "--shading-flat") == 0 ) {
- shading = 0;
- } else if ( strcmp(argv[i], "--shading-smooth") == 0 ) {
- shading = 1;
- } else if ( strcmp(argv[i], "--disable-skyblend") == 0 ) {
- skyblend = 0;
- } else if ( strcmp(argv[i], "--enable-skyblend") == 0 ) {
- skyblend = 1;
- } else if ( strcmp(argv[i], "--disable-textures") == 0 ) {
- textures = 0;
- } else if ( strcmp(argv[i], "--enable-textures") == 0 ) {
- textures = 1;
- } else if ( strcmp(argv[i], "--disable-wireframe") == 0 ) {
- wireframe = 0;
- } else if ( strcmp(argv[i], "--enable-wireframe") == 0 ) {
- wireframe = 1;
- } else if ( strncmp(argv[i], "--tile-radius=", 14) == 0 ) {
- tile_radius = parse_int(argv[i], 3, 7);
- } else if ( strncmp(argv[i], "--time-offset=", 14) == 0 ) {
- time_offset = parse_time_offset(argv[i]);
- } else {
- return(FG_OPTIONS_ERROR);
+ fgPrintf(FG_GENERAL, FG_DEBUG, "argv[%d] = %s\n", i, argv[i]);
+
+ result = parse_option(argv[i]);
+ if ( (result == FG_OPTIONS_HELP) || (result == FG_OPTIONS_ERROR) ) {
+ return(result);
}
i++;
}
+// Parse config file options
+int fgOPTIONS::parse_config_file( const string& path ) {
+ fg_gzifstream in( path );
+ if ( !in )
+ return(FG_OPTIONS_ERROR);
+
+ fgPrintf( FG_GENERAL, FG_INFO, "Processing config file: %s\n",
+ path.c_str() );
+
+ in.eat_comments();
+ while ( !in.eof() )
+ {
+ string line;
+ getline( in.stream(), line );
+
+ if ( parse_option( line ) == FG_OPTIONS_ERROR ) {
+ fgPrintf( FG_GENERAL, FG_EXIT,
+ "Config file parse error: %s '%s'\n",
+ path.c_str(), line.c_str() );
+ }
+ in.eat_comments();
+ }
+
+ return FG_OPTIONS_OK;
+}
+
+
// Print usage message
void fgOPTIONS::usage ( void ) {
printf("Usage: fg [ options ... ]\n");
printf("General Options:\n");
printf("\t--help -h: print usage\n");
+ printf("\t--fg-root=path: specify the root path for all the data files\n");
+ printf("\t--disable-game-mode: disable full-screen game mode\n");
+ printf("\t--enable-game-mode: enable full-screen game mode\n");
+ printf("\t--disable-splash-screen: disable splash screen\n");
+ printf("\t--enable-splash-screen: enable splash screen\n");
+ printf("\t--disable-intro-music: disable introduction music\n");
+ printf("\t--enable-intro-music: enable introduction music\n");
+ printf("\t--disable-mouse-pointer: disable extra mouse pointer\n");
+ printf("\t--enable-mouse-pointer: enable extra mouse pointer (i.e. for\n");
+ printf("\t\tfull screen voodoo/voodoo-II based cards.)\n");
+ printf("\t--disable-pause: start out in an active state\n");
+ printf("\t--enable-pause: start out in a paused state\n");
printf("\n");
printf("Features:\n");
printf("\t--disable-hud: disable heads up display\n");
printf("\t--enable-hud: enable heads up display\n");
+ printf("\t--disable-panel: disable instrument panel\n");
+ printf("\t--enable-panel: enable instrumetn panel\n");
+ printf("\t--disable-sound: disable sound effects\n");
+ printf("\t--enable-sound: enable sound effects\n");
printf("\n");
- printf("Initial Position:\n");
+ printf("Initial Position and Orientation:\n");
printf("\t--airport-id=ABCD: specify starting postion by airport id\n");
+ printf("\t--lon=degrees: starting longitude in degrees (west = -)\n");
+ printf("\t--lat=degrees: starting latitude in degrees (south = -)\n");
+ printf("\t--altitude=meters: starting altitude in meters\n");
+ printf("\t--heading=degrees: heading (yaw) angle in degress (Psi)\n");
+ printf("\t--roll=degrees: roll angle in degrees (Phi)\n");
+ printf("\t--pitch=degrees: pitch angle in degrees (Theta)\n");
printf("\n");
printf("Rendering Options:\n");
- printf("\t--disable-fog: disable fog/haze\n");
- printf("\t--enable-fog: enable fog/haze\n");
+ printf("\t--fog-disable: disable fog/haze\n");
+ printf("\t--fog-fastest: enable fastest fog/haze\n");
+ printf("\t--fog-nicest: enable nicest fog/haze\n");
+ printf("\t--fov=xx.x: specify initial field of view angle in degrees\n");
printf("\t--disable-fullscreen: disable fullscreen mode\n");
printf("\t--enable-fullscreen: enable fullscreen mode\n");
printf("\t--shading-flat: enable flat shading\n");
printf("\n");
printf("Scenery Options:\n");
- printf("\t--tile-radius=n: specify tile radius, must be odd 3, 5, or 7\n");
+ printf("\t--tile-radius=n: specify tile radius, must be 1 - 4\n");
printf("\n");
+ printf("Hud Options:\n");
+ printf("\t--hud-tris: Hud displays number of triangles rendered\n");
+ printf("\t--hud-culled: Hud displays percentage of triangles culled\n");
+
printf("Time Options:\n");
printf("\t--time-offset=[+-]hh:mm:ss: offset local time by this amount\n");
}
// $Log$
+// Revision 1.26 1998/10/17 01:34:24 curt
+// C++ ifying ...
+//
+// Revision 1.25 1998/09/15 02:09:27 curt
+// Include/fg_callback.hxx
+// Moved code inline to stop g++ 2.7 from complaining.
+//
+// Simulator/Time/event.[ch]xx
+// Changed return type of fgEVENT::printStat(). void caused g++ 2.7 to
+// complain bitterly.
+//
+// Minor bugfix and changes.
+//
+// Simulator/Main/GLUTmain.cxx
+// Added missing type to idle_state definition - eliminates a warning.
+//
+// Simulator/Main/fg_init.cxx
+// Changes to airport lookup.
+//
+// Simulator/Main/options.cxx
+// Uses fg_gzifstream when loading config file.
+//
+// Revision 1.24 1998/09/08 15:04:33 curt
+// Optimizations by Norman Vine.
+//
+// Revision 1.23 1998/08/27 17:02:07 curt
+// Contributions from Bernie Bright <bbright@c031.aone.net.au>
+// - use strings for fg_root and airport_id and added methods to return
+// them as strings,
+// - inlined all access methods,
+// - made the parsing functions private methods,
+// - deleted some unused functions.
+// - propogated some of these changes out a bit further.
+//
+// Revision 1.22 1998/08/24 20:11:13 curt
+// Added i/I to toggle full vs. minimal HUD.
+// Added a --hud-tris vs --hud-culled option.
+// Moved options accessor funtions to options.hxx.
+//
+// Revision 1.21 1998/08/20 15:10:34 curt
+// Added GameGLUT support.
+//
+// Revision 1.20 1998/07/30 23:48:28 curt
+// Output position & orientation when pausing.
+// Eliminated libtool use.
+// Added options to specify initial position and orientation.
+// Changed default fov to 55 degrees.
+// Added command line option to start in paused or unpaused state.
+//
+// Revision 1.19 1998/07/27 18:41:25 curt
+// Added a pause command "p"
+// Fixed some initialization order problems between pui and glut.
+// Added an --enable/disable-sound option.
+//
+// Revision 1.18 1998/07/22 01:27:03 curt
+// Strip out \r when parsing config file in case we are on a windoze system.
+//
+// Revision 1.17 1998/07/16 17:33:38 curt
+// "H" / "h" now control hud brightness as well with off being one of the
+// states.
+// Better checking for xmesa/fx 3dfx fullscreen/window support for deciding
+// whether or not to build in the feature.
+// Translucent menu support.
+// HAVE_AUDIO_SUPPORT -> ENABLE_AUDIO_SUPPORT
+// Use fork() / wait() for playing mp3 init music in background under unix.
+// Changed default tile diameter to 5.
+//
+// Revision 1.16 1998/07/13 21:01:39 curt
+// Wrote access functions for current fgOPTIONS.
+//
+// Revision 1.15 1998/07/06 21:34:19 curt
+// Added an enable/disable splash screen option.
+// Added an enable/disable intro music option.
+// Added an enable/disable instrument panel option.
+// Added an enable/disable mouse pointer option.
+// Added using namespace std for compilers that support this.
+//
+// Revision 1.14 1998/07/04 00:52:26 curt
+// Add my own version of gluLookAt() (which is nearly identical to the
+// Mesa/glu version.) But, by calculating the Model View matrix our selves
+// we can save this matrix without having to read it back in from the video
+// card. This hopefully allows us to save a few cpu cycles when rendering
+// out the fragments because we can just use glLoadMatrixd() with the
+// precalculated matrix for each tile rather than doing a push(), translate(),
+// pop() for every fragment.
+//
+// Panel status defaults to off for now until it gets a bit more developed.
+//
+// Extract OpenGL driver info on initialization.
+//
+// Revision 1.13 1998/06/27 16:54:34 curt
+// Replaced "extern displayInstruments" with a entry in fgOPTIONS.
+// Don't change the view port when displaying the panel.
+//
+// Revision 1.12 1998/06/17 21:35:13 curt
+// Refined conditional audio support compilation.
+// Moved texture parameter setup calls to ../Scenery/materials.cxx
+// #include <string.h> before various STL includes.
+// Make HUD default state be enabled.
+//
+// Revision 1.11 1998/06/13 00:40:33 curt
+// Tweaked fog command line options.
+//
+// Revision 1.10 1998/05/16 13:08:36 curt
+// C++ - ified views.[ch]xx
+// Shuffled some additional view parameters into the fgVIEW class.
+// Changed tile-radius to tile-diameter because it is a much better
+// name.
+// Added a WORLD_TO_EYE transformation to views.cxx. This allows us
+// to transform world space to eye space for view frustum culling.
+//
+// Revision 1.9 1998/05/13 18:29:59 curt
+// Added a keyboard binding to dynamically adjust field of view.
+// Added a command line option to specify fov.
+// Adjusted terrain color.
+// Root path info moved to fgOPTIONS.
+// Added ability to parse options out of a config file.
+//
+// Revision 1.8 1998/05/07 23:14:16 curt
+// Added "D" key binding to set autopilot heading.
+// Made frame rate calculation average out over last 10 frames.
+// Borland C++ floating point exception workaround.
+// Added a --tile-radius=n option.
+//
// Revision 1.7 1998/05/06 03:16:25 curt
// Added an averaged global frame rate counter.
// Added an option to control tile radius.