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flightgear/src/Main/options.hxx

323 lines
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C++

// 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.
//
// $Id$
#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 <Include/fg_types.hxx>
#include STL_STRING
#include <vector>
FG_USING_STD(vector);
FG_USING_STD(string);
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
};
enum
{
FG_TIME_SYS_OFFSET = 1,
FG_TIME_GMT_OFFSET = 2,
FG_TIME_LAT_OFFSET = 3,
FG_TIME_SYS_ABSOLUTE = 4,
FG_TIME_GMT_ABSOLUTE = 5,
FG_TIME_LAT_ABSOLUTE = 6
};
enum fgControlMode
{
FG_JOYSTICK = 0,
FG_KEYBOARD = 1,
FG_MOUSE = 2
};
enum fgViewMode
{
FG_VIEW_PILOT = 0, // Pilot perspective
FG_VIEW_FOLLOW = 1, // Following in the "foot steps" so to speak
FG_VIEW_CHASE = 2, // Chase
FG_VIEW_CIRCLING = 3, // Circling
FG_VIEW_SATELLITE = 4, // From high above
FG_VIEW_ANCHOR = 5, // Drop an anchor and watch from there
FG_VIEW_TOWER = 6, // From nearest tower?
FG_VIEW_SPOTTER = 7 // Fron a ground spotter
};
enum fgAutoCoordMode
{
FG_AUTO_COORD_NOT_SPECIFIED = 0,
FG_AUTO_COORD_DISABLED = 1,
FG_AUTO_COORD_ENABLED = 2
};
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)
double uBody; // Body axis X velocity (U)
double vBody; // Body axis Y velocity (V)
double wBody; // Body axis Z velocity (W)
// 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
fgControlMode control_mode; // primary control mode
fgAutoCoordMode auto_coordination; // enable auto coordination
// Features
bool hud_status; // HUD on/off
bool panel_status; // Panel on/off
bool sound; // play sound effects
// Flight Model options
int flight_model; // Core flight model code: jsb, larcsim, magic, etc.
string aircraft; // Aircraft to model
int model_hz; // number of FDM iterations per second
int speed_up; // Sim mechanics run this much faster than normal speed
// Rendering options
fgFogKind fog; // Fog nicest/fastest/disabled
bool clouds; // Enable clouds
double clouds_asl; // Cloud layer height above sea level
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
fgViewMode view_mode; // view mode
// 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; // Use this value to change time.
int time_offset_type; // Will be set to one of the FG_TIME_* enums,
// To deterine how time_offset should be used
// Serial port configuration strings
string_list channel_options_list;
// Network options
string net_id;
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 double get_uBody() const {return uBody;}
inline double get_vBody() const {return vBody;}
inline double get_wBody() const {return wBody;}
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 fgControlMode get_control_mode() const { return control_mode; }
inline void set_control_mode( fgControlMode mode ) { control_mode = mode; }
inline fgAutoCoordMode get_auto_coordination() const {
return auto_coordination;
}
inline void set_auto_coordination(fgAutoCoordMode m) {
auto_coordination = m;
}
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 string get_aircraft() const { return aircraft; }
inline int get_model_hz() const { return model_hz; }
inline int get_speed_up() const { return speed_up; }
inline void set_speed_up( int speed ) { speed_up = speed; }
inline bool fog_enabled() const { return fog != FG_FOG_DISABLED; }
inline fgFogKind get_fog() const { return fog; }
inline bool get_clouds() const { return clouds; }
inline double get_clouds_asl() const { return clouds_asl; }
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 fgViewMode get_view_mode() const { return view_mode; }
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 int get_time_offset_type() const { return time_offset_type; };
inline string_list get_channel_options_list() const {
return channel_options_list;
}
inline string get_net_id() const { return net_id; }
// Update functions
inline void set_airport_id( const string id ) { airport_id = id; }
inline void set_hud_status( bool status ) { hud_status = status; }
inline void set_clouds( bool value ) { clouds = value; }
inline void set_clouds_asl( double value ) { clouds_asl = value; }
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 );
}
}
void toggle_panel();
inline void set_xsize( int x ) { xsize = x; }
inline void set_ysize( int y ) { ysize = y; }
inline void cycle_view_mode() {
if ( view_mode == FG_VIEW_PILOT ) {
view_mode = FG_VIEW_FOLLOW;
} else if ( view_mode == FG_VIEW_FOLLOW ) {
view_mode = FG_VIEW_PILOT;
}
}
inline void set_net_id( const string id ) { net_id = id; }
private:
void parse_control( const string& mode );
double parse_time( const string& time_str );
long int parse_date( const string& date_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_channel( const string& type, const string& channel_str );
};
extern fgOPTIONS current_options;
#endif /* _OPTIONS_HXX */