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flightgear/Main/options.hxx
curt 16d135954c When "Help" is selected from the menu check to see if netscape is running. 
If so, command it to go to the flight gear user guide url.  Otherwise
start a new version of netscape with this url.
1999-03-11 23:09:26 +00:00

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// options.hxx -- 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.
//
// $Id$
// (Log is kept at end of this file)
#ifndef _OPTIONS_HXX
#define _OPTIONS_HXX
#ifndef __cplusplus
# error This library requires C++
#endif
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <Include/compiler.h>
#ifdef HAVE_WINDOWS_H
# include <windows.h>
#endif
#include <GL/glut.h>
#include <XGL/xgl.h>
#if defined(FX) && defined(XMESA)
extern bool global_fullscreen;
#endif
#include STL_STRING
#include <vector>
FG_USING_STD(vector);
FG_USING_STD(string);
typedef vector < string > str_container;
typedef str_container::iterator str_iterator;
typedef str_container::const_iterator const_str_iterator;
class fgOPTIONS {
public:
enum
{
FG_OPTIONS_OK = 0,
FG_OPTIONS_HELP = 1,
FG_OPTIONS_ERROR = 2
};
enum
{
FG_UNITS_FEET = 0,
FG_UNITS_METERS = 1
};
enum fgFogKind
{
FG_FOG_DISABLED = 0,
FG_FOG_FASTEST = 1,
FG_FOG_NICEST = 2
};
enum
{
FG_RADIUS_MIN = 1,
FG_RADIUS_MAX = 4
};
private:
// The flight gear "root" directory
string fg_root;
// Starting position and orientation
string airport_id; // ID of initial starting airport
double lon; // starting longitude in degrees (west = -)
double lat; // starting latitude in degrees (south = -)
double altitude; // starting altitude in meters
double heading; // heading (yaw) angle in degress (Psi)
double roll; // roll angle in degrees (Phi)
double pitch; // pitch angle in degrees (Theta)
// Miscellaneous
bool game_mode; // Game mode enabled/disabled
bool splash_screen; // show splash screen
bool intro_music; // play introductory music
int mouse_pointer; // show mouse pointer
bool pause; // pause intially enabled/disabled
// Features
bool hud_status; // HUD on/off
bool panel_status; // Panel on/off
bool sound; // play sound effects
// Flight Model options
int flight_model; // Flight Model: FG_SLEW, FG_LARCSIM, etc.
// Rendering options
fgFogKind fog; // Fog nicest/fastest/disabled
double fov; // Field of View
bool fullscreen; // Full screen mode enabled/disabled
int shading; // shading method, 0 = Flat, 1 = Smooth
bool skyblend; // Blend sky to haze (using polygons) or just clear
bool textures; // Textures enabled/disabled
bool wireframe; // Wireframe mode enabled/disabled
int xsize, ysize; // window size derived from geometry string
// Scenery options
int tile_radius; // Square radius of rendered tiles (around center
// square.)
int tile_diameter; // Diameter of rendered tiles. for instance
// if tile_diameter = 3 then a 3 x 3 grid of tiles will
// be drawn. Increase this to see terrain that is
// further away.
// HUD options
int units; // feet or meters
int tris_or_culled;
// Time options
int time_offset; // Offset true time by this many seconds
// Serial Ports, we currently support up to four channels
// fgSerialPortKind port_a_kind; // Port a kind
// fgSerialPortKind port_b_kind; // Port b kind
// fgSerialPortKind port_c_kind; // Port c kind
// fgSerialPortKind port_d_kind; // Port d kind
// Serial port configuration strings
str_container port_options_list;
public:
fgOPTIONS();
~fgOPTIONS();
// Parse a single option
int parse_option( const string& arg );
// Parse the command line options
int parse_command_line( int argc, char **argv );
// Parse the command line options
int parse_config_file( const string& path );
// Print usage message
void usage ( void );
// Query functions
inline string get_fg_root() const { return fg_root; }
inline string get_airport_id() const { return airport_id; }
inline double get_lon() const { return lon; }
inline double get_lat() const { return lat; }
inline double get_altitude() const { return altitude; }
inline double get_heading() const { return heading; }
inline double get_roll() const { return roll; }
inline double get_pitch() const { return pitch; }
inline bool get_game_mode() const { return game_mode; }
inline bool get_splash_screen() const { return splash_screen; }
inline bool get_intro_music() const { return intro_music; }
inline int get_mouse_pointer() const { return mouse_pointer; }
inline bool get_pause() const { return pause; }
inline bool get_hud_status() const { return hud_status; }
inline bool get_panel_status() const { return panel_status; }
inline bool get_sound() const { return sound; }
inline int get_flight_model() const { return flight_model; }
inline bool fog_enabled() const { return fog != FG_FOG_DISABLED; }
inline fgFogKind get_fog() const { return fog; }
inline double get_fov() const { return fov; }
inline bool get_fullscreen() const { return fullscreen; }
inline int get_shading() const { return shading; }
inline bool get_skyblend() const { return skyblend; }
inline bool get_textures() const { return textures; }
inline bool get_wireframe() const { return wireframe; }
inline int get_xsize() const { return xsize; }
inline int get_ysize() const { return ysize; }
inline int get_tile_radius() const { return tile_radius; }
inline int get_tile_diameter() const { return tile_diameter; }
inline int get_units() const { return units; }
inline int get_tris_or_culled() const { return tris_or_culled; }
inline int get_time_offset() const { return time_offset; }
inline str_container get_port_options_list() const {
return port_options_list;
}
// Update functions
inline void set_hud_status( bool status ) { hud_status = status; }
inline void set_fov( double amount ) { fov = amount; }
inline void set_textures( bool status ) { textures = status; }
inline void cycle_fog( void ) {
if ( fog == FG_FOG_DISABLED ) {
fog = FG_FOG_FASTEST;
} else if ( fog == FG_FOG_FASTEST ) {
fog = FG_FOG_NICEST;
xglHint ( GL_FOG_HINT, GL_NICEST );
} else if ( fog == FG_FOG_NICEST ) {
fog = FG_FOG_DISABLED;
xglHint ( GL_FOG_HINT, GL_FASTEST );
}
}
inline void set_xsize( int x ) { xsize= x; }
inline void set_ysize( int y ) { xsize= y; }
private:
double parse_time( const string& time_str );
double parse_degree( const string& degree_str );
int parse_time_offset( const string& time_str );
int parse_tile_radius( const string& arg );
int parse_fdm( const string& fm );
double parse_fov( const string& arg );
bool parse_serial( const string& serial_str );
};
extern fgOPTIONS current_options;
#endif /* _OPTIONS_HXX */
// $Log$
// Revision 1.30 1999/03/11 23:09:51 curt
// When "Help" is selected from the menu check to see if netscape is running.
// If so, command it to go to the flight gear user guide url. Otherwise
// start a new version of netscape with this url.
//
// Revision 1.29 1999/03/02 01:03:19 curt
// Tweaks for building with native SGI compilers.
//
// Revision 1.28 1999/02/26 22:09:52 curt
// Added initial support for native SGI compilers.
//
// Revision 1.27 1999/02/05 21:29:13 curt
// Modifications to incorporate Jon S. Berndts flight model code.
//
// Revision 1.26 1999/02/02 20:13:37 curt
// MSVC++ portability changes by Bernie Bright:
//
// Lib/Serial/serial.[ch]xx: Initial Windows support - incomplete.
// Simulator/Astro/stars.cxx: typo? included <stdio> instead of <cstdio>
// Simulator/Cockpit/hud.cxx: Added Standard headers
// Simulator/Cockpit/panel.cxx: Redefinition of default parameter
// Simulator/Flight/flight.cxx: Replaced cout with FG_LOG. Deleted <stdio.h>
// Simulator/Main/fg_init.cxx:
// Simulator/Main/GLUTmain.cxx:
// Simulator/Main/options.hxx: Shuffled <fg_serial.hxx> dependency
// Simulator/Objects/material.hxx:
// Simulator/Time/timestamp.hxx: VC++ friend kludge
// Simulator/Scenery/tile.[ch]xx: Fixed using std::X declarations
// Simulator/Main/views.hxx: Added a constant
//
// Revision 1.25 1999/01/19 20:57:06 curt
// MacOS portability changes contributed by "Robert Puyol" <puyol@abvent.fr>
//
// Revision 1.24 1998/11/25 01:34:01 curt
// Support for an arbitrary number of serial ports.
//
// Revision 1.23 1998/11/23 21:49:05 curt
// Borland portability tweaks.
//
// Revision 1.22 1998/11/20 01:02:38 curt
// Try to detect Mesa/Glide/Voodoo and chose the appropriate resolution.
//
// Revision 1.21 1998/11/16 14:00:04 curt
// Added pow() macro bug work around.
// Added support for starting FGFS at various resolutions.
// Added some initial serial port support.
// Specify default log levels in main().
//
// Revision 1.20 1998/11/02 23:04:05 curt
// HUD units now display in feet by default with meters being a command line
// option.
//
// Revision 1.19 1998/10/25 14:08:49 curt
// Turned "struct fgCONTROLS" into a class, with inlined accessor functions.
//
// Revision 1.18 1998/09/17 18:35:31 curt
// Added F8 to toggle fog and F9 to toggle texturing.
//
// Revision 1.17 1998/09/08 21:40:10 curt
// Fixes by Charlie Hotchkiss.
//
// Revision 1.16 1998/08/27 17:02:08 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 1.15 1998/08/24 20:11:15 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 1.14 1998/08/20 15:10:35 curt
// Added GameGLUT support.
//
// Revision 1.13 1998/07/30 23:48:29 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 1.12 1998/07/27 18:41:26 curt
// Added a pause command "p"
// Fixed some initialization order problems between pui and glut.
// Added an --enable/disable-sound option.
//
// Revision 1.11 1998/07/13 21:01:39 curt
// Wrote access functions for current fgOPTIONS.
//
// Revision 1.10 1998/07/06 21:34:20 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 1.9 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 1.8 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 1.7 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 1.6 1998/05/06 03:16:26 curt
// Added an averaged global frame rate counter.
// Added an option to control tile radius.
//
// Revision 1.5 1998/05/03 00:47:32 curt
// Added an option to enable/disable full-screen mode.
//
// Revision 1.4 1998/04/30 12:34:19 curt
// Added command line rendering options:
// enable/disable fog/haze
// specify smooth/flat shading
// disable sky blending and just use a solid color
// enable wireframe drawing mode
//
// Revision 1.3 1998/04/28 01:20:23 curt
// Type-ified fgTIME and fgVIEW.
// Added a command line option to disable textures.
//
// Revision 1.2 1998/04/25 15:11:13 curt
// Added an command line option to set starting position based on airport ID.
//
// Revision 1.1 1998/04/24 00:49:21 curt
// Wrapped "#include <config.h>" in "#ifdef HAVE_CONFIG_H"
// Trying out some different option parsing code.
// Some code reorganization.
//
//
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