250 lines
7.9 KiB
C++
250 lines
7.9 KiB
C++
// options.hxx -- class to handle command line options
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//
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// Written by Curtis Olson, started April 1998.
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//
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// Copyright (C) 1998 Curtis L. Olson - curt@me.umn.edu
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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// $Id$
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#ifndef _OPTIONS_HXX
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#define _OPTIONS_HXX
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#ifndef __cplusplus
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# error This library requires C++
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#endif
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <Include/compiler.h>
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#ifdef HAVE_WINDOWS_H
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# include <windows.h>
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#endif
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#include <GL/glut.h>
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#include <XGL/xgl.h>
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#if defined(FX) && defined(XMESA)
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extern bool global_fullscreen;
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#endif
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#include STL_STRING
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#include <vector>
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FG_USING_STD(vector);
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FG_USING_STD(string);
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typedef vector < string > str_container;
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typedef str_container::iterator str_iterator;
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typedef str_container::const_iterator const_str_iterator;
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class fgOPTIONS {
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public:
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enum
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{
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FG_OPTIONS_OK = 0,
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FG_OPTIONS_HELP = 1,
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FG_OPTIONS_ERROR = 2
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};
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enum
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{
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FG_UNITS_FEET = 0,
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FG_UNITS_METERS = 1
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};
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enum fgFogKind
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{
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FG_FOG_DISABLED = 0,
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FG_FOG_FASTEST = 1,
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FG_FOG_NICEST = 2
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};
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enum
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{
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FG_RADIUS_MIN = 1,
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FG_RADIUS_MAX = 4
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};
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private:
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// The flight gear "root" directory
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string fg_root;
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// Starting position and orientation
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string airport_id; // ID of initial starting airport
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double lon; // starting longitude in degrees (west = -)
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double lat; // starting latitude in degrees (south = -)
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double altitude; // starting altitude in meters
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double heading; // heading (yaw) angle in degress (Psi)
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double roll; // roll angle in degrees (Phi)
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double pitch; // pitch angle in degrees (Theta)
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// Miscellaneous
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bool game_mode; // Game mode enabled/disabled
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bool splash_screen; // show splash screen
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bool intro_music; // play introductory music
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int mouse_pointer; // show mouse pointer
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bool pause; // pause intially enabled/disabled
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// Features
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bool hud_status; // HUD on/off
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bool panel_status; // Panel on/off
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bool sound; // play sound effects
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// Flight Model options
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int flight_model; // Flight Model: FG_SLEW, FG_LARCSIM, etc.
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// Rendering options
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fgFogKind fog; // Fog nicest/fastest/disabled
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double fov; // Field of View
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bool fullscreen; // Full screen mode enabled/disabled
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int shading; // shading method, 0 = Flat, 1 = Smooth
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bool skyblend; // Blend sky to haze (using polygons) or just clear
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bool textures; // Textures enabled/disabled
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bool wireframe; // Wireframe mode enabled/disabled
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int xsize, ysize; // window size derived from geometry string
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// Scenery options
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int tile_radius; // Square radius of rendered tiles (around center
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// square.)
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int tile_diameter; // Diameter of rendered tiles. for instance
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// if tile_diameter = 3 then a 3 x 3 grid of tiles will
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// be drawn. Increase this to see terrain that is
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// further away.
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// HUD options
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int units; // feet or meters
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int tris_or_culled;
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// Time options
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int time_offset; // Offset true time by this many seconds
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long int start_gst; // Specify a greenwich sidereal time (gst)
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long int start_lst; // Specify a local sidereal time (lst)
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// Serial Ports, we currently support up to four channels
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// fgSerialPortKind port_a_kind; // Port a kind
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// fgSerialPortKind port_b_kind; // Port b kind
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// fgSerialPortKind port_c_kind; // Port c kind
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// fgSerialPortKind port_d_kind; // Port d kind
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// Serial port configuration strings
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str_container port_options_list;
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public:
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fgOPTIONS();
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~fgOPTIONS();
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// Parse a single option
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int parse_option( const string& arg );
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// Parse the command line options
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int parse_command_line( int argc, char **argv );
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// Parse the command line options
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int parse_config_file( const string& path );
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// Print usage message
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void usage ( void );
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// Query functions
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inline string get_fg_root() const { return fg_root; }
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inline string get_airport_id() const { return airport_id; }
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inline double get_lon() const { return lon; }
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inline double get_lat() const { return lat; }
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inline double get_altitude() const { return altitude; }
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inline double get_heading() const { return heading; }
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inline double get_roll() const { return roll; }
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inline double get_pitch() const { return pitch; }
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inline bool get_game_mode() const { return game_mode; }
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inline bool get_splash_screen() const { return splash_screen; }
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inline bool get_intro_music() const { return intro_music; }
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inline int get_mouse_pointer() const { return mouse_pointer; }
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inline bool get_pause() const { return pause; }
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inline bool get_hud_status() const { return hud_status; }
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inline bool get_panel_status() const { return panel_status; }
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inline bool get_sound() const { return sound; }
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inline int get_flight_model() const { return flight_model; }
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inline bool fog_enabled() const { return fog != FG_FOG_DISABLED; }
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inline fgFogKind get_fog() const { return fog; }
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inline double get_fov() const { return fov; }
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inline bool get_fullscreen() const { return fullscreen; }
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inline int get_shading() const { return shading; }
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inline bool get_skyblend() const { return skyblend; }
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inline bool get_textures() const { return textures; }
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inline bool get_wireframe() const { return wireframe; }
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inline int get_xsize() const { return xsize; }
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inline int get_ysize() const { return ysize; }
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inline int get_tile_radius() const { return tile_radius; }
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inline int get_tile_diameter() const { return tile_diameter; }
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inline int get_units() const { return units; }
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inline int get_tris_or_culled() const { return tris_or_culled; }
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inline int get_time_offset() const { return time_offset; }
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inline long int get_start_gst() const { return start_gst; };
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inline long int get_start_lst() const { return start_lst; }
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inline str_container get_port_options_list() const {
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return port_options_list;
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}
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// Update functions
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inline void set_hud_status( bool status ) { hud_status = status; }
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inline void set_fov( double amount ) { fov = amount; }
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inline void set_textures( bool status ) { textures = status; }
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inline void cycle_fog( void ) {
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if ( fog == FG_FOG_DISABLED ) {
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fog = FG_FOG_FASTEST;
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} else if ( fog == FG_FOG_FASTEST ) {
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fog = FG_FOG_NICEST;
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xglHint ( GL_FOG_HINT, GL_NICEST );
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} else if ( fog == FG_FOG_NICEST ) {
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fog = FG_FOG_DISABLED;
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xglHint ( GL_FOG_HINT, GL_FASTEST );
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}
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}
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inline void set_xsize( int x ) { xsize= x; }
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inline void set_ysize( int y ) { xsize= y; }
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private:
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double parse_time( const string& time_str );
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long int parse_date( const string& date_str );
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double parse_degree( const string& degree_str );
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int parse_time_offset( const string& time_str );
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int parse_tile_radius( const string& arg );
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int parse_fdm( const string& fm );
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double parse_fov( const string& arg );
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bool parse_serial( const string& serial_str );
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};
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extern fgOPTIONS current_options;
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#endif /* _OPTIONS_HXX */
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