e81eeba64f
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.
217 lines
6.9 KiB
C++
217 lines
6.9 KiB
C++
//
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// 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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#define FG_OPTIONS_OK 0
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#define FG_OPTIONS_HELP 1
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#define FG_OPTIONS_ERROR 2
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class fgOPTIONS {
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// The flight gear "root" directory
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char fg_root[256];
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// Starting position and orientation
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char airport_id[5]; // 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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int splash_screen; // show splash screen
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int intro_music; // play introductory music
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int mouse_pointer; // show mouse pointer
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int pause; // pause intially enabled/disabled
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// Features
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int hud_status; // HUD on/off
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int panel_status; // Panel on/off
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int 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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int fog; // Fog enabled/disabled
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double fov; // Field of View
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int fullscreen; // Full screen mode enabled/disabled
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int shading; // shading method, 0 = Flat, 1 = Smooth
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int skyblend; // Blend sky to haze (using polygons) or just clear
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int textures; // Textures enabled/disabled
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int wireframe; // Wireframe mode enabled/disabled
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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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// Time options
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int time_offset; // Offset true time by this many seconds
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public:
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// Constructor
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fgOPTIONS( void );
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// Parse a single option
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int parse_option( char *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( char *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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void get_fg_root(char *root);
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void get_airport_id(char *id);
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double get_lon( void );
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double get_lat( void );
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double get_altitude( void );
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double get_heading( void );
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double get_roll( void );
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double get_pitch( void );
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int get_splash_screen( void );
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int get_intro_music( void );
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int get_mouse_pointer( void );
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int get_pause( void );
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int get_hud_status( void );
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int get_panel_status( void );
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int get_sound( void );
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int get_flight_model( void );
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int get_fog( void );
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double get_fov( void );
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int get_fullscreen( void );
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int get_shading( void );
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int get_skyblend( void );
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int get_textures( void );
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int get_wireframe( void );
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int get_tile_radius( void );
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int get_tile_diameter( void );
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int get_time_offset( void );
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// Update functions
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void set_hud_status( int status );
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void set_fov( double amount );
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// Destructor
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~fgOPTIONS( void );
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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 1.13 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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