356 lines
12 KiB
C++
356 lines
12 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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// (Log is kept at end of this file)
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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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#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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#include <string>
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#include <Include/compiler.h>
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FG_USING_STD(string);
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#include "fg_serial.hxx"
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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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// 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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string port_a_config;
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string port_b_config;
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string port_c_config;
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string port_d_config;
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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 fgSerialPortKind get_port_a_kind() const { return port_a_kind; }
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// inline fgSerialPortKind get_port_b_kind() const { return port_b_kind; }
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// inline fgSerialPortKind get_port_c_kind() const { return port_c_kind; }
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// inline fgSerialPortKind get_port_d_kind() const { return port_d_kind; }
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inline string get_port_a_config() const { return port_a_config; }
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inline string get_port_b_config() const { return port_b_config; }
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inline string get_port_c_config() const { return port_c_config; }
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inline string get_port_d_config() const { return port_d_config; }
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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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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_flight_model( 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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// $Log$
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// Revision 1.23 1998/11/23 21:49:05 curt
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// Borland portability tweaks.
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//
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// Revision 1.22 1998/11/20 01:02:38 curt
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// Try to detect Mesa/Glide/Voodoo and chose the appropriate resolution.
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//
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// Revision 1.21 1998/11/16 14:00:04 curt
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// Added pow() macro bug work around.
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// Added support for starting FGFS at various resolutions.
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// Added some initial serial port support.
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// Specify default log levels in main().
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//
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// Revision 1.20 1998/11/02 23:04:05 curt
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// HUD units now display in feet by default with meters being a command line
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// option.
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//
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// Revision 1.19 1998/10/25 14:08:49 curt
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// Turned "struct fgCONTROLS" into a class, with inlined accessor functions.
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//
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// Revision 1.18 1998/09/17 18:35:31 curt
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// Added F8 to toggle fog and F9 to toggle texturing.
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//
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// Revision 1.17 1998/09/08 21:40:10 curt
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// Fixes by Charlie Hotchkiss.
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//
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// Revision 1.16 1998/08/27 17:02:08 curt
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// Contributions from Bernie Bright <bbright@c031.aone.net.au>
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// - use strings for fg_root and airport_id and added methods to return
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// them as strings,
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// - inlined all access methods,
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// - made the parsing functions private methods,
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// - deleted some unused functions.
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// - propogated some of these changes out a bit further.
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//
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// Revision 1.15 1998/08/24 20:11:15 curt
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// Added i/I to toggle full vs. minimal HUD.
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// Added a --hud-tris vs --hud-culled option.
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// Moved options accessor funtions to options.hxx.
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//
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// Revision 1.14 1998/08/20 15:10:35 curt
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// Added GameGLUT support.
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//
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// Revision 1.13 1998/07/30 23:48:29 curt
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// Output position & orientation when pausing.
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// Eliminated libtool use.
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// Added options to specify initial position and orientation.
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// Changed default fov to 55 degrees.
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// Added command line option to start in paused or unpaused state.
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//
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// Revision 1.12 1998/07/27 18:41:26 curt
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// Added a pause command "p"
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// Fixed some initialization order problems between pui and glut.
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// Added an --enable/disable-sound option.
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//
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// Revision 1.11 1998/07/13 21:01:39 curt
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// Wrote access functions for current fgOPTIONS.
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//
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// Revision 1.10 1998/07/06 21:34:20 curt
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// Added an enable/disable splash screen option.
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// Added an enable/disable intro music option.
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// Added an enable/disable instrument panel option.
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// Added an enable/disable mouse pointer option.
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// Added using namespace std for compilers that support this.
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//
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// Revision 1.9 1998/06/27 16:54:34 curt
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// Replaced "extern displayInstruments" with a entry in fgOPTIONS.
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// Don't change the view port when displaying the panel.
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//
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// Revision 1.8 1998/05/16 13:08:36 curt
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// C++ - ified views.[ch]xx
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// Shuffled some additional view parameters into the fgVIEW class.
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// Changed tile-radius to tile-diameter because it is a much better
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// name.
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// Added a WORLD_TO_EYE transformation to views.cxx. This allows us
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// to transform world space to eye space for view frustum culling.
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//
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// Revision 1.7 1998/05/13 18:29:59 curt
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// Added a keyboard binding to dynamically adjust field of view.
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// Added a command line option to specify fov.
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// Adjusted terrain color.
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// Root path info moved to fgOPTIONS.
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// Added ability to parse options out of a config file.
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//
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// Revision 1.6 1998/05/06 03:16:26 curt
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// Added an averaged global frame rate counter.
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// Added an option to control tile radius.
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//
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// Revision 1.5 1998/05/03 00:47:32 curt
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// Added an option to enable/disable full-screen mode.
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//
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// Revision 1.4 1998/04/30 12:34:19 curt
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// Added command line rendering options:
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// enable/disable fog/haze
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// specify smooth/flat shading
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// disable sky blending and just use a solid color
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// enable wireframe drawing mode
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//
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// Revision 1.3 1998/04/28 01:20:23 curt
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// Type-ified fgTIME and fgVIEW.
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// Added a command line option to disable textures.
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//
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// Revision 1.2 1998/04/25 15:11:13 curt
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// Added an command line option to set starting position based on airport ID.
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//
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// Revision 1.1 1998/04/24 00:49:21 curt
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// Wrapped "#include <config.h>" in "#ifdef HAVE_CONFIG_H"
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// Trying out some different option parsing code.
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// Some code reorganization.
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//
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//
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