ref: fabb8f598ebee1bec3c736f8556294ee57cbb6e5
dir: /src/m_config.c/
//
// Copyright(C) 1993-1996 Id Software, Inc.
// Copyright(C) 1993-2008 Raven Software
// Copyright(C) 2005-2014 Simon Howard
//
// 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.
//
// DESCRIPTION:
// Configuration file interface.
//
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <errno.h>
#include <assert.h>
#include <locale.h>
#include "SDL_filesystem.h"
#include "config.h"
#include "doomtype.h"
#include "doomkeys.h"
#include "i_system.h"
#include "m_argv.h"
#include "m_config.h"
#include "m_misc.h"
#include "z_zone.h"
//
// DEFAULTS
//
// Location where all configuration data is stored -
// default.cfg, savegames, etc.
const char *configdir;
static char *autoload_path = "";
// Default filenames for configuration files.
static const char *default_main_config;
static const char *default_extra_config;
typedef enum
{
DEFAULT_INT,
DEFAULT_INT_HEX,
DEFAULT_STRING,
DEFAULT_FLOAT,
DEFAULT_KEY,
} default_type_t;
typedef struct
{
// Name of the variable
const char *name;
// Pointer to the location in memory of the variable
union {
int *i;
char **s;
float *f;
} location;
// Type of the variable
default_type_t type;
// If this is a key value, the original integer scancode we read from
// the config file before translating it to the internal key value.
// If zero, we didn't read this value from a config file.
int untranslated;
// The value we translated the scancode into when we read the
// config file on startup. If the variable value is different from
// this, it has been changed and needs to be converted; otherwise,
// use the 'untranslated' value.
int original_translated;
// If true, this config variable has been bound to a variable
// and is being used.
boolean bound;
} default_t;
typedef struct
{
default_t *defaults;
int numdefaults;
const char *filename;
} default_collection_t;
#define CONFIG_VARIABLE_GENERIC(name, type) \
{ #name, {NULL}, type, 0, 0, false }
#define CONFIG_VARIABLE_KEY(name) \
CONFIG_VARIABLE_GENERIC(name, DEFAULT_KEY)
#define CONFIG_VARIABLE_INT(name) \
CONFIG_VARIABLE_GENERIC(name, DEFAULT_INT)
#define CONFIG_VARIABLE_INT_HEX(name) \
CONFIG_VARIABLE_GENERIC(name, DEFAULT_INT_HEX)
#define CONFIG_VARIABLE_FLOAT(name) \
CONFIG_VARIABLE_GENERIC(name, DEFAULT_FLOAT)
#define CONFIG_VARIABLE_STRING(name) \
CONFIG_VARIABLE_GENERIC(name, DEFAULT_STRING)
//! @begin_config_file default
static default_t doom_defaults_list[] =
{
//!
// Mouse sensitivity. This value is used to multiply input mouse
// movement to control the effect of moving the mouse.
//
// The "normal" maximum value available for this through the
// in-game options menu is 9. A value of 31 or greater will cause
// the game to crash when entering the options menu.
//
CONFIG_VARIABLE_INT(mouse_sensitivity),
//!
// Volume of sound effects, range 0-15.
//
CONFIG_VARIABLE_INT(sfx_volume),
//!
// Volume of in-game music, range 0-15.
//
CONFIG_VARIABLE_INT(music_volume),
//!
// @game strife
//
// If non-zero, dialogue text is displayed over characters' pictures
// when engaging actors who have voices.
//
CONFIG_VARIABLE_INT(show_talk),
//!
// @game strife
//
// Volume of voice sound effects, range 0-15.
//
CONFIG_VARIABLE_INT(voice_volume),
//!
// @game doom
//
// If non-zero, messages are displayed on the heads-up display
// in the game ("picked up a clip", etc). If zero, these messages
// are not displayed.
//
CONFIG_VARIABLE_INT(show_messages),
//!
// Keyboard key to turn right.
//
CONFIG_VARIABLE_KEY(key_right),
//!
// Keyboard key to turn left.
//
CONFIG_VARIABLE_KEY(key_left),
//!
// Keyboard key to move forward.
//
CONFIG_VARIABLE_KEY(key_up),
//!
// Keyboard key to move backward.
//
CONFIG_VARIABLE_KEY(key_down),
//!
// Keyboard key to strafe left.
//
CONFIG_VARIABLE_KEY(key_strafeleft),
//!
// Keyboard key to strafe right.
//
CONFIG_VARIABLE_KEY(key_straferight),
//!
// @game strife
//
// Keyboard key to use health.
//
CONFIG_VARIABLE_KEY(key_useHealth),
//!
// @game hexen
//
// Keyboard key to jump.
//
CONFIG_VARIABLE_KEY(key_jump),
//!
// @game heretic hexen
//
// Keyboard key to fly upward.
//
CONFIG_VARIABLE_KEY(key_flyup),
//!
// @game heretic hexen
//
// Keyboard key to fly downwards.
//
CONFIG_VARIABLE_KEY(key_flydown),
//!
// @game heretic hexen
//
// Keyboard key to center flying.
//
CONFIG_VARIABLE_KEY(key_flycenter),
//!
// @game heretic hexen
//
// Keyboard key to look up.
//
CONFIG_VARIABLE_KEY(key_lookup),
//!
// @game heretic hexen
//
// Keyboard key to look down.
//
CONFIG_VARIABLE_KEY(key_lookdown),
//!
// @game heretic hexen
//
// Keyboard key to center the view.
//
CONFIG_VARIABLE_KEY(key_lookcenter),
//!
// @game strife
//
// Keyboard key to query inventory.
//
CONFIG_VARIABLE_KEY(key_invquery),
//!
// @game strife
//
// Keyboard key to display mission objective.
//
CONFIG_VARIABLE_KEY(key_mission),
//!
// @game strife
//
// Keyboard key to display inventory popup.
//
CONFIG_VARIABLE_KEY(key_invPop),
//!
// @game strife
//
// Keyboard key to display keys popup.
//
CONFIG_VARIABLE_KEY(key_invKey),
//!
// @game strife
//
// Keyboard key to jump to start of inventory.
//
CONFIG_VARIABLE_KEY(key_invHome),
//!
// @game strife
//
// Keyboard key to jump to end of inventory.
//
CONFIG_VARIABLE_KEY(key_invEnd),
//!
// @game heretic hexen
//
// Keyboard key to scroll left in the inventory.
//
CONFIG_VARIABLE_KEY(key_invleft),
//!
// @game heretic hexen
//
// Keyboard key to scroll right in the inventory.
//
CONFIG_VARIABLE_KEY(key_invright),
//!
// @game strife
//
// Keyboard key to scroll left in the inventory.
//
CONFIG_VARIABLE_KEY(key_invLeft),
//!
// @game strife
//
// Keyboard key to scroll right in the inventory.
//
CONFIG_VARIABLE_KEY(key_invRight),
//!
// @game heretic hexen
//
// Keyboard key to use the current item in the inventory.
//
CONFIG_VARIABLE_KEY(key_useartifact),
//!
// @game strife
//
// Keyboard key to use inventory item.
//
CONFIG_VARIABLE_KEY(key_invUse),
//!
// @game strife
//
// Keyboard key to drop an inventory item.
//
CONFIG_VARIABLE_KEY(key_invDrop),
//!
// @game strife
//
// Keyboard key to look up.
//
CONFIG_VARIABLE_KEY(key_lookUp),
//!
// @game strife
//
// Keyboard key to look down.
//
CONFIG_VARIABLE_KEY(key_lookDown),
//!
// Keyboard key to fire the currently selected weapon.
//
CONFIG_VARIABLE_KEY(key_fire),
//!
// Keyboard key to "use" an object, eg. a door or switch.
//
CONFIG_VARIABLE_KEY(key_use),
//!
// Keyboard key to turn on strafing. When held down, pressing the
// key to turn left or right causes the player to strafe left or
// right instead.
//
CONFIG_VARIABLE_KEY(key_strafe),
//!
// Keyboard key to make the player run.
//
CONFIG_VARIABLE_KEY(key_speed),
//!
// If non-zero, mouse input is enabled. If zero, mouse input is
// disabled.
//
CONFIG_VARIABLE_INT(use_mouse),
//!
// Mouse button to fire the currently selected weapon.
//
CONFIG_VARIABLE_INT(mouseb_fire),
//!
// Mouse button to turn on strafing. When held down, the player
// will strafe left and right instead of turning left and right.
//
CONFIG_VARIABLE_INT(mouseb_strafe),
//!
// Mouse button to move forward.
//
CONFIG_VARIABLE_INT(mouseb_forward),
//!
// Mouse button to turn on running. When held down, the player
// will run while moving.
//
CONFIG_VARIABLE_INT(mouseb_speed),
//!
// @game hexen strife
//
// Mouse button to jump.
//
CONFIG_VARIABLE_INT(mouseb_jump),
//!
// If non-zero, joystick input is enabled.
//
CONFIG_VARIABLE_INT(use_joystick),
//!
// Joystick virtual button that fires the current weapon.
//
CONFIG_VARIABLE_INT(joyb_fire),
//!
// Joystick virtual button that makes the player strafe while
// held down.
//
CONFIG_VARIABLE_INT(joyb_strafe),
//!
// Joystick virtual button to "use" an object, eg. a door or switch.
//
CONFIG_VARIABLE_INT(joyb_use),
//!
// Joystick virtual button that makes the player run while held
// down.
//
// If this has a value of 20 or greater, the player will always run,
// even if use_joystick is 0.
//
CONFIG_VARIABLE_INT(joyb_speed),
//!
// @game hexen strife
//
// Joystick virtual button that makes the player jump.
//
CONFIG_VARIABLE_INT(joyb_jump),
//!
// @game doom heretic hexen
//
// Screen size, range 3-11.
//
// A value of 11 gives a full-screen view with the status bar not
// displayed. A value of 10 gives a full-screen view with the
// status bar displayed.
//
CONFIG_VARIABLE_INT(screenblocks),
//!
// @game strife
//
// Screen size, range 3-11.
//
// A value of 11 gives a full-screen view with the status bar not
// displayed. A value of 10 gives a full-screen view with the
// status bar displayed.
//
CONFIG_VARIABLE_INT(screensize),
//!
// @game doom
//
// Screen detail. Zero gives normal "high detail" mode, while
// a non-zero value gives "low detail" mode.
//
CONFIG_VARIABLE_INT(detaillevel),
//!
// Number of sounds that will be played simultaneously.
//
CONFIG_VARIABLE_INT(snd_channels),
//!
// Music output device. A non-zero value gives MIDI sound output,
// while a value of zero disables music.
//
CONFIG_VARIABLE_INT(snd_musicdevice),
//!
// Sound effects device. A value of zero disables in-game sound
// effects, a value of 1 enables PC speaker sound effects, while
// a value in the range 2-9 enables the "normal" digital sound
// effects.
//
CONFIG_VARIABLE_INT(snd_sfxdevice),
//!
// SoundBlaster I/O port. Unused.
//
CONFIG_VARIABLE_INT(snd_sbport),
//!
// SoundBlaster IRQ. Unused.
//
CONFIG_VARIABLE_INT(snd_sbirq),
//!
// SoundBlaster DMA channel. Unused.
//
CONFIG_VARIABLE_INT(snd_sbdma),
//!
// Output port to use for OPL MIDI playback. Unused.
//
CONFIG_VARIABLE_INT(snd_mport),
//!
// Gamma correction level. A value of zero disables gamma
// correction, while a value in the range 1-4 gives increasing
// levels of gamma correction.
//
CONFIG_VARIABLE_INT(usegamma),
//!
// @game hexen
//
// Directory in which to store savegames.
//
CONFIG_VARIABLE_STRING(savedir),
//!
// @game hexen
//
// Controls whether messages are displayed in the heads-up display.
// If this has a non-zero value, messages are displayed.
//
CONFIG_VARIABLE_INT(messageson),
//!
// @game strife
//
// Name of background flat used by view border.
//
CONFIG_VARIABLE_STRING(back_flat),
//!
// @game strife
//
// Multiplayer nickname (?).
//
CONFIG_VARIABLE_STRING(nickname),
//!
// Multiplayer chat macro: message to send when alt+0 is pressed.
//
CONFIG_VARIABLE_STRING(chatmacro0),
//!
// Multiplayer chat macro: message to send when alt+1 is pressed.
//
CONFIG_VARIABLE_STRING(chatmacro1),
//!
// Multiplayer chat macro: message to send when alt+2 is pressed.
//
CONFIG_VARIABLE_STRING(chatmacro2),
//!
// Multiplayer chat macro: message to send when alt+3 is pressed.
//
CONFIG_VARIABLE_STRING(chatmacro3),
//!
// Multiplayer chat macro: message to send when alt+4 is pressed.
//
CONFIG_VARIABLE_STRING(chatmacro4),
//!
// Multiplayer chat macro: message to send when alt+5 is pressed.
//
CONFIG_VARIABLE_STRING(chatmacro5),
//!
// Multiplayer chat macro: message to send when alt+6 is pressed.
//
CONFIG_VARIABLE_STRING(chatmacro6),
//!
// Multiplayer chat macro: message to send when alt+7 is pressed.
//
CONFIG_VARIABLE_STRING(chatmacro7),
//!
// Multiplayer chat macro: message to send when alt+8 is pressed.
//
CONFIG_VARIABLE_STRING(chatmacro8),
//!
// Multiplayer chat macro: message to send when alt+9 is pressed.
//
CONFIG_VARIABLE_STRING(chatmacro9),
//!
// @game strife
//
// Serial port number to use for SERSETUP.EXE (unused).
//
CONFIG_VARIABLE_INT(comport),
};
static default_collection_t doom_defaults =
{
doom_defaults_list,
arrlen(doom_defaults_list),
NULL,
};
//! @begin_config_file extended
static default_t extra_defaults_list[] =
{
//!
// Name of the SDL video driver to use. If this is an empty string,
// the default video driver is used.
//
CONFIG_VARIABLE_STRING(video_driver),
//!
// Position of the window on the screen when running in windowed
// mode. Accepted values are: "" (empty string) - don't care,
// "center" - place window at center of screen, "x,y" - place
// window at the specified coordinates.
//
CONFIG_VARIABLE_STRING(window_position),
//!
// If non-zero, the game will run in full screen mode. If zero,
// the game will run in a window.
//
CONFIG_VARIABLE_INT(fullscreen),
//!
// Index of the display on which the game should run. This has no
// effect if running in windowed mode (fullscreen=0) and
// window_position is not set to "center".
//
CONFIG_VARIABLE_INT(video_display),
//!
// If non-zero, the screen will be stretched vertically to display
// correctly on a square pixel video mode.
//
CONFIG_VARIABLE_INT(aspect_ratio_correct),
//!
// If non-zero, forces integer scales for resolution-independent rendering.
//
CONFIG_VARIABLE_INT(integer_scaling),
// If non-zero, any pillar/letter boxes drawn around the game area
// will "flash" when the game palette changes, simulating the VGA
// "porch"
CONFIG_VARIABLE_INT(vga_porch_flash),
//!
// Window width when running in windowed mode.
//
CONFIG_VARIABLE_INT(window_width),
//!
// Window height when running in windowed mode.
//
CONFIG_VARIABLE_INT(window_height),
//!
// Width for screen mode when running fullscreen.
// If this and fullscreen_height are both set to zero, we run
// fullscreen as a desktop window that covers the entire screen,
// rather than ever switching screen modes. It should usually
// be unnecessary to set this value.
//
CONFIG_VARIABLE_INT(fullscreen_width),
//!
// Height for screen mode when running fullscreen.
// See documentation for fullscreen_width.
//
CONFIG_VARIABLE_INT(fullscreen_height),
//!
// If non-zero, force the use of a software renderer. For use on
// systems lacking hardware acceleration.
//
CONFIG_VARIABLE_INT(force_software_renderer),
//!
// Maximum number of pixels to use for intermediate scaling buffer.
// More pixels mean that the screen can be rendered more precisely,
// but there are diminishing returns on quality. The default limits to
// 16,000,000 pixels, which is enough to cover 4K monitor standards.
CONFIG_VARIABLE_INT(max_scaling_buffer_pixels),
//!
// Number of milliseconds to wait on startup after the video mode
// has been set, before the game will start. This allows the
// screen to settle on some monitors that do not display an image
// for a brief interval after changing video modes.
//
CONFIG_VARIABLE_INT(startup_delay),
//!
// @game heretic hexen strife
//
// If non-zero, display the graphical startup screen.
//
CONFIG_VARIABLE_INT(graphical_startup),
//!
// @game doom heretic strife
//
// If non-zero, the ENDOOM text screen is displayed when exiting the
// game. If zero, the ENDOOM screen is not displayed.
//
CONFIG_VARIABLE_INT(show_endoom),
//!
// @game doom strife
//
// If non-zero, a disk activity indicator is displayed when data is read
// from disk. If zero, the disk activity indicator is not displayed.
//
CONFIG_VARIABLE_INT(show_diskicon),
//!
// If non-zero, save screenshots in PNG format. If zero, screenshots are
// saved in PCX format, as Vanilla Doom does.
//
CONFIG_VARIABLE_INT(png_screenshots),
//!
// Sound output sample rate, in Hz. Typical values to use are
// 11025, 22050, 44100 and 48000.
//
CONFIG_VARIABLE_INT(snd_samplerate),
//!
// Maximum number of bytes to allocate for caching converted sound
// effects in memory. If set to zero, there is no limit applied.
//
CONFIG_VARIABLE_INT(snd_cachesize),
//!
// Maximum size of the output sound buffer size in milliseconds.
// Sound output is generated periodically in slices. Higher values
// might be more efficient but will introduce latency to the
// sound output. The default is 28ms (one slice per tic with the
// 35fps timer).
//
CONFIG_VARIABLE_INT(snd_maxslicetime_ms),
//!
// If non-zero, sound effects will have their pitch varied up or
// down by a random amount during play. If zero, sound effects
// play back at their default pitch.
//
CONFIG_VARIABLE_INT(snd_pitchshift),
//!
// External command to invoke to perform MIDI playback. If set to
// the empty string, SDL_mixer's internal MIDI playback is used.
// This only has any effect when snd_musicdevice is set to General
// MIDI output.
//
CONFIG_VARIABLE_STRING(snd_musiccmd),
//!
// Value to set for the DMXOPTION environment variable. If this contains
// "-opl3", output for an OPL3 chip is generated when in OPL MIDI
// playback mode.
//
CONFIG_VARIABLE_STRING(snd_dmxoption),
//!
// The I/O port to use to access the OPL chip. Only relevant when
// using native OPL music playback.
//
CONFIG_VARIABLE_INT_HEX(opl_io_port),
//!
// Controls whether libsamplerate support is used for performing
// sample rate conversions of sound effects. Support for this
// must be compiled into the program.
//
// If zero, libsamplerate support is disabled. If non-zero,
// libsamplerate is enabled. Increasing values roughly correspond
// to higher quality conversion; the higher the quality, the
// slower the conversion process. Linear conversion = 1;
// Zero order hold = 2; Fast Sinc filter = 3; Medium quality
// Sinc filter = 4; High quality Sinc filter = 5.
//
CONFIG_VARIABLE_INT(use_libsamplerate),
//!
// Scaling factor used by libsamplerate. This is used when converting
// sounds internally back into integer form; normally it should not
// be necessary to change it from the default value. The only time
// it might be needed is if a PWAD file is loaded that contains very
// loud sounds, in which case the conversion may cause sound clipping
// and the scale factor should be reduced. The lower the value, the
// quieter the sound effects become, so it should be set as high as is
// possible without clipping occurring.
CONFIG_VARIABLE_FLOAT(libsamplerate_scale),
//!
// Full path to a directory in which WAD files and dehacked patches
// can be placed to be automatically loaded on startup. A subdirectory
// of this directory matching the IWAD name is checked to find the
// files to load.
CONFIG_VARIABLE_STRING(autoload_path),
//!
// Full path to a directory containing configuration files for
// substitute music packs. These packs contain high quality renderings
// of game music to be played instead of using the system's built-in
// MIDI playback.
//
CONFIG_VARIABLE_STRING(music_pack_path),
//!
// Full path to a soundfont file to use with FluidSynth MIDI playback.
//
CONFIG_VARIABLE_STRING(fluidsynth_sf_path),
//!
// Full path to a Timidity configuration file to use for MIDI
// playback. The file will be evaluated from the directory where
// it is evaluated, so there is no need to add "dir" commands
// into it.
//
CONFIG_VARIABLE_STRING(timidity_cfg_path),
//!
// Path to GUS patch files to use when operating in GUS emulation
// mode.
//
CONFIG_VARIABLE_STRING(gus_patch_path),
//!
// Number of kilobytes of RAM to use in GUS emulation mode. Valid
// values are 256, 512, 768 or 1024.
//
CONFIG_VARIABLE_INT(gus_ram_kb),
#ifdef _WIN32
//!
// MIDI device for native Windows MIDI.
//
CONFIG_VARIABLE_STRING(winmm_midi_device),
//!
// Reverb level for native Windows MIDI, default 40, range 0-127.
//
CONFIG_VARIABLE_INT(winmm_reverb_level),
//!
// Chorus level for native Windows MIDI, default 0, range 0-127.
//
CONFIG_VARIABLE_INT(winmm_chorus_level),
#endif
//!
// @game doom strife
//
// If non-zero, the Vanilla savegame limit is enforced; if the
// savegame exceeds 180224 bytes in size, the game will exit with
// an error. If this has a value of zero, there is no limit to
// the size of savegames.
//
CONFIG_VARIABLE_INT(vanilla_savegame_limit),
//!
// @game doom strife
//
// If non-zero, the Vanilla demo size limit is enforced; the game
// exits with an error when a demo exceeds the demo size limit
// (128KiB by default). If this has a value of zero, there is no
// limit to the size of demos.
//
CONFIG_VARIABLE_INT(vanilla_demo_limit),
//!
// If non-zero, the game behaves like Vanilla Doom, always assuming
// an American keyboard mapping. If this has a value of zero, the
// native keyboard mapping of the keyboard is used.
//
CONFIG_VARIABLE_INT(vanilla_keyboard_mapping),
//!
// Name to use in network games for identification. This is only
// used on the "waiting" screen while waiting for the game to start.
//
CONFIG_VARIABLE_STRING(player_name),
//!
// If this is non-zero, the mouse will be "grabbed" when running
// in windowed mode so that it can be used as an input device.
// When running full screen, this has no effect.
//
CONFIG_VARIABLE_INT(grabmouse),
//!
// If non-zero, all vertical mouse movement is ignored. This
// emulates the behavior of the "novert" tool available under DOS
// that performs the same function.
//
CONFIG_VARIABLE_INT(novert),
//!
// Mouse acceleration factor. When the speed of mouse movement
// exceeds the threshold value (mouse_threshold), the speed is
// multiplied by this value.
//
CONFIG_VARIABLE_FLOAT(mouse_acceleration),
//!
// Mouse acceleration threshold. When the speed of mouse movement
// exceeds this threshold value, the speed is multiplied by an
// acceleration factor (mouse_acceleration).
//
CONFIG_VARIABLE_INT(mouse_threshold),
//!
// Mouse button to strafe left.
//
CONFIG_VARIABLE_INT(mouseb_strafeleft),
//!
// Mouse button to strafe right.
//
CONFIG_VARIABLE_INT(mouseb_straferight),
//!
// Mouse button to turn left.
//
CONFIG_VARIABLE_INT(mouseb_turnleft),
//!
// Mouse button to turn right.
//
CONFIG_VARIABLE_INT(mouseb_turnright),
//!
// Mouse button to "use" an object, eg. a door or switch.
//
CONFIG_VARIABLE_INT(mouseb_use),
//!
// Mouse button to move backwards.
//
CONFIG_VARIABLE_INT(mouseb_backward),
//!
// Mouse button to cycle to the previous weapon.
//
CONFIG_VARIABLE_INT(mouseb_prevweapon),
//!
// Mouse button to cycle to the next weapon.
//
CONFIG_VARIABLE_INT(mouseb_nextweapon),
//!
// @game heretic
//
// Mouse button to move to the left in the inventory.
//
CONFIG_VARIABLE_INT(mouseb_invleft),
//!
// @game heretic
//
// Mouse button to move to the right in the inventory.
//
CONFIG_VARIABLE_INT(mouseb_invright),
//!
// @game heretic hexen
//
// Mouse button to use artifact.
//
CONFIG_VARIABLE_INT(mouseb_useartifact),
//!
// If non-zero, double-clicking a mouse button acts like pressing
// the "use" key to use an object in-game, eg. a door or switch.
//
CONFIG_VARIABLE_INT(dclick_use),
//!
// SDL GUID string indicating the joystick to use. An empty string
// indicates that no joystick is configured.
//
CONFIG_VARIABLE_STRING(joystick_guid),
//!
// Index of SDL joystick to use; this is only used in the case where
// multiple identical joystick devices are connected which have the
// same GUID, to distinguish between devices.
//
CONFIG_VARIABLE_INT(joystick_index),
//!
// Joystick axis to use to for horizontal (X) movement.
//
CONFIG_VARIABLE_INT(joystick_x_axis),
//!
// If non-zero, movement on the horizontal joystick axis is inverted.
//
CONFIG_VARIABLE_INT(joystick_x_invert),
//!
// Joystick axis to use to for vertical (Y) movement.
//
CONFIG_VARIABLE_INT(joystick_y_axis),
//!
// If non-zero, movement on the vertical joystick axis is inverted.
//
CONFIG_VARIABLE_INT(joystick_y_invert),
//!
// Joystick axis to use to for strafing movement.
//
CONFIG_VARIABLE_INT(joystick_strafe_axis),
//!
// If non-zero, movement on the joystick axis used for strafing
// is inverted.
//
CONFIG_VARIABLE_INT(joystick_strafe_invert),
//!
// Joystick axis to use to for looking up and down.
//
CONFIG_VARIABLE_INT(joystick_look_axis),
//!
// If non-zero, movement on the joystick axis used for looking
// is inverted.
//
CONFIG_VARIABLE_INT(joystick_look_invert),
//!
// The physical joystick button that corresponds to joystick
// virtual button #0.
//
CONFIG_VARIABLE_INT(joystick_physical_button0),
//!
// The physical joystick button that corresponds to joystick
// virtual button #1.
//
CONFIG_VARIABLE_INT(joystick_physical_button1),
//!
// The physical joystick button that corresponds to joystick
// virtual button #2.
//
CONFIG_VARIABLE_INT(joystick_physical_button2),
//!
// The physical joystick button that corresponds to joystick
// virtual button #3.
//
CONFIG_VARIABLE_INT(joystick_physical_button3),
//!
// The physical joystick button that corresponds to joystick
// virtual button #4.
//
CONFIG_VARIABLE_INT(joystick_physical_button4),
//!
// The physical joystick button that corresponds to joystick
// virtual button #5.
//
CONFIG_VARIABLE_INT(joystick_physical_button5),
//!
// The physical joystick button that corresponds to joystick
// virtual button #6.
//
CONFIG_VARIABLE_INT(joystick_physical_button6),
//!
// The physical joystick button that corresponds to joystick
// virtual button #7.
//
CONFIG_VARIABLE_INT(joystick_physical_button7),
//!
// The physical joystick button that corresponds to joystick
// virtual button #8.
//
CONFIG_VARIABLE_INT(joystick_physical_button8),
//!
// The physical joystick button that corresponds to joystick
// virtual button #9.
//
CONFIG_VARIABLE_INT(joystick_physical_button9),
//!
// The physical joystick button that corresponds to joystick
// virtual button #10.
//
CONFIG_VARIABLE_INT(joystick_physical_button10),
//!
// Joystick virtual button to make the player strafe left.
//
CONFIG_VARIABLE_INT(joyb_strafeleft),
//!
// Joystick virtual button to make the player strafe right.
//
CONFIG_VARIABLE_INT(joyb_straferight),
//!
// Joystick virtual button to activate the menu.
//
CONFIG_VARIABLE_INT(joyb_menu_activate),
//!
// Joystick virtual button to toggle the automap.
//
CONFIG_VARIABLE_INT(joyb_toggle_automap),
//!
// Joystick virtual button that cycles to the previous weapon.
//
CONFIG_VARIABLE_INT(joyb_prevweapon),
//!
// Joystick virtual button that cycles to the next weapon.
//
CONFIG_VARIABLE_INT(joyb_nextweapon),
//!
// Key to pause or unpause the game.
//
CONFIG_VARIABLE_KEY(key_pause),
//!
// Key that activates the menu when pressed.
//
CONFIG_VARIABLE_KEY(key_menu_activate),
//!
// Key that moves the cursor up on the menu.
//
CONFIG_VARIABLE_KEY(key_menu_up),
//!
// Key that moves the cursor down on the menu.
//
CONFIG_VARIABLE_KEY(key_menu_down),
//!
// Key that moves the currently selected slider on the menu left.
//
CONFIG_VARIABLE_KEY(key_menu_left),
//!
// Key that moves the currently selected slider on the menu right.
//
CONFIG_VARIABLE_KEY(key_menu_right),
//!
// Key to go back to the previous menu.
//
CONFIG_VARIABLE_KEY(key_menu_back),
//!
// Key to activate the currently selected menu item.
//
CONFIG_VARIABLE_KEY(key_menu_forward),
//!
// Key to answer 'yes' to a question in the menu.
//
CONFIG_VARIABLE_KEY(key_menu_confirm),
//!
// Key to answer 'no' to a question in the menu.
//
CONFIG_VARIABLE_KEY(key_menu_abort),
//!
// Keyboard shortcut to bring up the help screen.
//
CONFIG_VARIABLE_KEY(key_menu_help),
//!
// Keyboard shortcut to bring up the save game menu.
//
CONFIG_VARIABLE_KEY(key_menu_save),
//!
// Keyboard shortcut to bring up the load game menu.
//
CONFIG_VARIABLE_KEY(key_menu_load),
//!
// Keyboard shortcut to bring up the sound volume menu.
//
CONFIG_VARIABLE_KEY(key_menu_volume),
//!
// Keyboard shortcut to toggle the detail level.
//
CONFIG_VARIABLE_KEY(key_menu_detail),
//!
// Keyboard shortcut to quicksave the current game.
//
CONFIG_VARIABLE_KEY(key_menu_qsave),
//!
// Keyboard shortcut to end the game.
//
CONFIG_VARIABLE_KEY(key_menu_endgame),
//!
// Keyboard shortcut to toggle heads-up messages.
//
CONFIG_VARIABLE_KEY(key_menu_messages),
//!
// Keyboard shortcut to load the last quicksave.
//
CONFIG_VARIABLE_KEY(key_menu_qload),
//!
// Keyboard shortcut to quit the game.
//
CONFIG_VARIABLE_KEY(key_menu_quit),
//!
// Keyboard shortcut to toggle the gamma correction level.
//
CONFIG_VARIABLE_KEY(key_menu_gamma),
//!
// Keyboard shortcut to switch view in multiplayer.
//
CONFIG_VARIABLE_KEY(key_spy),
//!
// Keyboard shortcut to increase the screen size.
//
CONFIG_VARIABLE_KEY(key_menu_incscreen),
//!
// Keyboard shortcut to decrease the screen size.
//
CONFIG_VARIABLE_KEY(key_menu_decscreen),
//!
// Keyboard shortcut to save a screenshot.
//
CONFIG_VARIABLE_KEY(key_menu_screenshot),
//!
// Key to toggle the map view.
//
CONFIG_VARIABLE_KEY(key_map_toggle),
//!
// Key to pan north when in the map view.
//
CONFIG_VARIABLE_KEY(key_map_north),
//!
// Key to pan south when in the map view.
//
CONFIG_VARIABLE_KEY(key_map_south),
//!
// Key to pan east when in the map view.
//
CONFIG_VARIABLE_KEY(key_map_east),
//!
// Key to pan west when in the map view.
//
CONFIG_VARIABLE_KEY(key_map_west),
//!
// Key to zoom in when in the map view.
//
CONFIG_VARIABLE_KEY(key_map_zoomin),
//!
// Key to zoom out when in the map view.
//
CONFIG_VARIABLE_KEY(key_map_zoomout),
//!
// Key to zoom out the maximum amount when in the map view.
//
CONFIG_VARIABLE_KEY(key_map_maxzoom),
//!
// Key to toggle follow mode when in the map view.
//
CONFIG_VARIABLE_KEY(key_map_follow),
//!
// Key to toggle the grid display when in the map view.
//
CONFIG_VARIABLE_KEY(key_map_grid),
//!
// Key to set a mark when in the map view.
//
CONFIG_VARIABLE_KEY(key_map_mark),
//!
// Key to clear all marks when in the map view.
//
CONFIG_VARIABLE_KEY(key_map_clearmark),
//!
// Key to select weapon 1.
//
CONFIG_VARIABLE_KEY(key_weapon1),
//!
// Key to select weapon 2.
//
CONFIG_VARIABLE_KEY(key_weapon2),
//!
// Key to select weapon 3.
//
CONFIG_VARIABLE_KEY(key_weapon3),
//!
// Key to select weapon 4.
//
CONFIG_VARIABLE_KEY(key_weapon4),
//!
// Key to select weapon 5.
//
CONFIG_VARIABLE_KEY(key_weapon5),
//!
// Key to select weapon 6.
//
CONFIG_VARIABLE_KEY(key_weapon6),
//!
// Key to select weapon 7.
//
CONFIG_VARIABLE_KEY(key_weapon7),
//!
// Key to select weapon 8.
//
CONFIG_VARIABLE_KEY(key_weapon8),
//!
// Key to cycle to the previous weapon.
//
CONFIG_VARIABLE_KEY(key_prevweapon),
//!
// Key to cycle to the next weapon.
//
CONFIG_VARIABLE_KEY(key_nextweapon),
//!
// @game heretic
//
// Key to use "quartz flask" artifact.
//
CONFIG_VARIABLE_KEY(key_arti_quartz),
//!
// @game heretic
//
// Key to use "mystic urn" artifact.
//
CONFIG_VARIABLE_KEY(key_arti_urn),
//!
// @game heretic
//
// Key to use "timebomb of the ancients" artifact.
//
CONFIG_VARIABLE_KEY(key_arti_bomb),
//!
// @game heretic
//
// Key to use "tome of power" artifact.
//
CONFIG_VARIABLE_KEY(key_arti_tome),
//!
// @game heretic
//
// Key to use "ring of invincibility" artifact.
//
CONFIG_VARIABLE_KEY(key_arti_ring),
//!
// @game heretic
//
// Key to use "chaos device" artifact.
//
CONFIG_VARIABLE_KEY(key_arti_chaosdevice),
//!
// @game heretic
//
// Key to use "shadowsphere" artifact.
//
CONFIG_VARIABLE_KEY(key_arti_shadowsphere),
//!
// @game heretic
//
// Key to use "wings of wrath" artifact.
//
CONFIG_VARIABLE_KEY(key_arti_wings),
//!
// @game heretic
//
// Key to use "torch" artifact.
//
CONFIG_VARIABLE_KEY(key_arti_torch),
//!
// @game heretic
//
// Key to use "morph ovum" artifact.
//
CONFIG_VARIABLE_KEY(key_arti_morph),
//!
// @game hexen
//
// Key to use one of each artifact.
//
CONFIG_VARIABLE_KEY(key_arti_all),
//!
// @game hexen
//
// Key to use "quartz flask" artifact.
//
CONFIG_VARIABLE_KEY(key_arti_health),
//!
// @game hexen
//
// Key to use "flechette" artifact.
//
CONFIG_VARIABLE_KEY(key_arti_poisonbag),
//!
// @game hexen
//
// Key to use "disc of repulsion" artifact.
//
CONFIG_VARIABLE_KEY(key_arti_blastradius),
//!
// @game hexen
//
// Key to use "chaos device" artifact.
//
CONFIG_VARIABLE_KEY(key_arti_teleport),
//!
// @game hexen
//
// Key to use "banishment device" artifact.
//
CONFIG_VARIABLE_KEY(key_arti_teleportother),
//!
// @game hexen
//
// Key to use "porkalator" artifact.
//
CONFIG_VARIABLE_KEY(key_arti_egg),
//!
// @game hexen
//
// Key to use "icon of the defender" artifact.
//
CONFIG_VARIABLE_KEY(key_arti_invulnerability),
//!
// Key to re-display last message.
//
CONFIG_VARIABLE_KEY(key_message_refresh),
//!
// Key to quit the game when recording a demo.
//
CONFIG_VARIABLE_KEY(key_demo_quit),
//!
// Key to send a message during multiplayer games.
//
CONFIG_VARIABLE_KEY(key_multi_msg),
//!
// Key to send a message to player 1 during multiplayer games.
//
CONFIG_VARIABLE_KEY(key_multi_msgplayer1),
//!
// Key to send a message to player 2 during multiplayer games.
//
CONFIG_VARIABLE_KEY(key_multi_msgplayer2),
//!
// Key to send a message to player 3 during multiplayer games.
//
CONFIG_VARIABLE_KEY(key_multi_msgplayer3),
//!
// Key to send a message to player 4 during multiplayer games.
//
CONFIG_VARIABLE_KEY(key_multi_msgplayer4),
//!
// @game hexen strife
//
// Key to send a message to player 5 during multiplayer games.
//
CONFIG_VARIABLE_KEY(key_multi_msgplayer5),
//!
// @game hexen strife
//
// Key to send a message to player 6 during multiplayer games.
//
CONFIG_VARIABLE_KEY(key_multi_msgplayer6),
//!
// @game hexen strife
//
// Key to send a message to player 7 during multiplayer games.
//
CONFIG_VARIABLE_KEY(key_multi_msgplayer7),
//!
// @game hexen strife
//
// Key to send a message to player 8 during multiplayer games.
//
CONFIG_VARIABLE_KEY(key_multi_msgplayer8),
};
static default_collection_t extra_defaults =
{
extra_defaults_list,
arrlen(extra_defaults_list),
NULL,
};
// Search a collection for a variable
static default_t *SearchCollection(default_collection_t *collection, const char *name)
{
int i;
for (i=0; i<collection->numdefaults; ++i)
{
if (!strcmp(name, collection->defaults[i].name))
{
return &collection->defaults[i];
}
}
return NULL;
}
// Mapping from DOS keyboard scan code to internal key code (as defined
// in doomkey.h). I think I (fraggle) reused this from somewhere else
// but I can't find where. Anyway, notes:
// * KEY_PAUSE is wrong - it's in the KEY_NUMLOCK spot. This shouldn't
// matter in terms of Vanilla compatibility because neither of
// those were valid for key bindings.
// * There is no proper scan code for PrintScreen (on DOS machines it
// sends an interrupt). So I added a fake scan code of 126 for it.
// The presence of this is important so we can bind PrintScreen as
// a screenshot key.
static const int scantokey[128] =
{
0 , 27, '1', '2', '3', '4', '5', '6',
'7', '8', '9', '0', '-', '=', KEY_BACKSPACE, 9,
'q', 'w', 'e', 'r', 't', 'y', 'u', 'i',
'o', 'p', '[', ']', 13, KEY_RCTRL, 'a', 's',
'd', 'f', 'g', 'h', 'j', 'k', 'l', ';',
'\'', '`', KEY_RSHIFT,'\\', 'z', 'x', 'c', 'v',
'b', 'n', 'm', ',', '.', '/', KEY_RSHIFT,KEYP_MULTIPLY,
KEY_RALT, ' ', KEY_CAPSLOCK,KEY_F1, KEY_F2, KEY_F3, KEY_F4, KEY_F5,
KEY_F6, KEY_F7, KEY_F8, KEY_F9, KEY_F10, /*KEY_NUMLOCK?*/KEY_PAUSE,KEY_SCRLCK,KEY_HOME,
KEY_UPARROW,KEY_PGUP,KEY_MINUS,KEY_LEFTARROW,KEYP_5,KEY_RIGHTARROW,KEYP_PLUS,KEY_END,
KEY_DOWNARROW,KEY_PGDN,KEY_INS,KEY_DEL,0, 0, 0, KEY_F11,
KEY_F12, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, KEY_PRTSCR, 0
};
static void SaveDefaultCollection(default_collection_t *collection)
{
default_t *defaults;
int i, v;
FILE *f;
f = M_fopen(collection->filename, "w");
if (!f)
return; // can't write the file, but don't complain
defaults = collection->defaults;
for (i=0 ; i<collection->numdefaults ; i++)
{
int chars_written;
// Ignore unbound variables
if (!defaults[i].bound)
{
continue;
}
// Print the name and line up all values at 30 characters
chars_written = fprintf(f, "%s ", defaults[i].name);
for (; chars_written < 30; ++chars_written)
fprintf(f, " ");
// Print the value
switch (defaults[i].type)
{
case DEFAULT_KEY:
// use the untranslated version if we can, to reduce
// the possibility of screwing up the user's config
// file
v = *defaults[i].location.i;
if (v == KEY_RSHIFT)
{
// Special case: for shift, force scan code for
// right shift, as this is what Vanilla uses.
// This overrides the change check below, to fix
// configuration files made by old versions that
// mistakenly used the scan code for left shift.
v = 54;
}
else if (defaults[i].untranslated
&& v == defaults[i].original_translated)
{
// Has not been changed since the last time we
// read the config file.
v = defaults[i].untranslated;
}
else
{
// search for a reverse mapping back to a scancode
// in the scantokey table
int s;
for (s=0; s<128; ++s)
{
if (scantokey[s] == v)
{
v = s;
break;
}
}
}
fprintf(f, "%i", v);
break;
case DEFAULT_INT:
fprintf(f, "%i", *defaults[i].location.i);
break;
case DEFAULT_INT_HEX:
fprintf(f, "0x%x", *defaults[i].location.i);
break;
case DEFAULT_FLOAT:
fprintf(f, "%f", *defaults[i].location.f);
break;
case DEFAULT_STRING:
fprintf(f,"\"%s\"", *defaults[i].location.s);
break;
}
fprintf(f, "\n");
}
fclose (f);
}
// Parses integer values in the configuration file
static int ParseIntParameter(const char *strparm)
{
int parm;
if (strparm[0] == '0' && strparm[1] == 'x')
sscanf(strparm+2, "%x", (unsigned int *) &parm);
else
sscanf(strparm, "%i", &parm);
return parm;
}
static void SetVariable(default_t *def, const char *value)
{
int intparm;
// parameter found
switch (def->type)
{
case DEFAULT_STRING:
*def->location.s = M_StringDuplicate(value);
break;
case DEFAULT_INT:
case DEFAULT_INT_HEX:
*def->location.i = ParseIntParameter(value);
break;
case DEFAULT_KEY:
// translate scancodes read from config
// file (save the old value in untranslated)
intparm = ParseIntParameter(value);
def->untranslated = intparm;
if (intparm >= 0 && intparm < 128)
{
intparm = scantokey[intparm];
}
else
{
intparm = 0;
}
def->original_translated = intparm;
*def->location.i = intparm;
break;
case DEFAULT_FLOAT:
{
// Different locales use different decimal separators.
// However, the choice of the current locale isn't always
// under our own control. If the atof() function fails to
// parse the string representing the floating point number
// using the current locale's decimal separator, it will
// return 0, resulting in silent sound effects. To
// mitigate this, we replace the first non-digit,
// non-minus character in the string with the current
// locale's decimal separator before passing it to atof().
struct lconv *lc = localeconv();
char dec, *str;
int i = 0;
dec = lc->decimal_point[0];
str = M_StringDuplicate(value);
// Skip sign indicators.
if (str[i] == '-' || str[i] == '+')
{
i++;
}
for ( ; str[i] != '\0'; i++)
{
if (!isdigit(str[i]))
{
str[i] = dec;
break;
}
}
*def->location.f = (float) atof(str);
free(str);
}
break;
}
}
static void LoadDefaultCollection(default_collection_t *collection)
{
FILE *f;
default_t *def;
char defname[80];
char strparm[100];
// read the file in, overriding any set defaults
f = M_fopen(collection->filename, "r");
if (f == NULL)
{
// File not opened, but don't complain.
// It's probably just the first time they ran the game.
return;
}
while (!feof(f))
{
if (fscanf(f, "%79s %99[^\n]\n", defname, strparm) != 2)
{
// This line doesn't match
continue;
}
// Find the setting in the list
def = SearchCollection(collection, defname);
if (def == NULL || !def->bound)
{
// Unknown variable? Unbound variables are also treated
// as unknown.
continue;
}
// Strip off trailing non-printable characters (\r characters
// from DOS text files)
while (strlen(strparm) > 0 && !isprint(strparm[strlen(strparm)-1]))
{
strparm[strlen(strparm)-1] = '\0';
}
// Surrounded by quotes? If so, remove them.
if (strlen(strparm) >= 2
&& strparm[0] == '"' && strparm[strlen(strparm) - 1] == '"')
{
strparm[strlen(strparm) - 1] = '\0';
memmove(strparm, strparm + 1, sizeof(strparm) - 1);
}
SetVariable(def, strparm);
}
fclose (f);
}
// Set the default filenames to use for configuration files.
void M_SetConfigFilenames(const char *main_config, const char *extra_config)
{
default_main_config = main_config;
default_extra_config = extra_config;
}
//
// M_SaveDefaults
//
void M_SaveDefaults (void)
{
SaveDefaultCollection(&doom_defaults);
SaveDefaultCollection(&extra_defaults);
}
//
// Save defaults to alternate filenames
//
void M_SaveDefaultsAlternate(const char *main, const char *extra)
{
const char *orig_main;
const char *orig_extra;
// Temporarily change the filenames
orig_main = doom_defaults.filename;
orig_extra = extra_defaults.filename;
doom_defaults.filename = main;
extra_defaults.filename = extra;
M_SaveDefaults();
// Restore normal filenames
doom_defaults.filename = orig_main;
extra_defaults.filename = orig_extra;
}
//
// M_LoadDefaults
//
void M_LoadDefaults (void)
{
int i;
// This variable is a special snowflake for no good reason.
M_BindStringVariable("autoload_path", &autoload_path);
// check for a custom default file
//!
// @arg <file>
// @vanilla
//
// Load main configuration from the specified file, instead of the
// default.
//
i = M_CheckParmWithArgs("-config", 1);
if (i)
{
doom_defaults.filename = myargv[i+1];
printf (" default file: %s\n",doom_defaults.filename);
}
else
{
doom_defaults.filename
= M_StringJoin(configdir, default_main_config, NULL);
}
printf("saving config in %s\n", doom_defaults.filename);
//!
// @arg <file>
//
// Load additional configuration from the specified file, instead of
// the default.
//
i = M_CheckParmWithArgs("-extraconfig", 1);
if (i)
{
extra_defaults.filename = myargv[i+1];
printf(" extra configuration file: %s\n",
extra_defaults.filename);
}
else
{
extra_defaults.filename
= M_StringJoin(configdir, default_extra_config, NULL);
}
LoadDefaultCollection(&doom_defaults);
LoadDefaultCollection(&extra_defaults);
}
// Get a configuration file variable by its name
static default_t *GetDefaultForName(const char *name)
{
default_t *result;
// Try the main list and the extras
result = SearchCollection(&doom_defaults, name);
if (result == NULL)
{
result = SearchCollection(&extra_defaults, name);
}
// Not found? Internal error.
if (result == NULL)
{
I_Error("Unknown configuration variable: '%s'", name);
}
return result;
}
//
// Bind a variable to a given configuration file variable, by name.
//
void M_BindIntVariable(const char *name, int *location)
{
default_t *variable;
variable = GetDefaultForName(name);
assert(variable->type == DEFAULT_INT
|| variable->type == DEFAULT_INT_HEX
|| variable->type == DEFAULT_KEY);
variable->location.i = location;
variable->bound = true;
}
void M_BindFloatVariable(const char *name, float *location)
{
default_t *variable;
variable = GetDefaultForName(name);
assert(variable->type == DEFAULT_FLOAT);
variable->location.f = location;
variable->bound = true;
}
void M_BindStringVariable(const char *name, char **location)
{
default_t *variable;
variable = GetDefaultForName(name);
assert(variable->type == DEFAULT_STRING);
variable->location.s = location;
variable->bound = true;
}
// Set the value of a particular variable; an API function for other
// parts of the program to assign values to config variables by name.
boolean M_SetVariable(const char *name, const char *value)
{
default_t *variable;
variable = GetDefaultForName(name);
if (variable == NULL || !variable->bound)
{
return false;
}
SetVariable(variable, value);
return true;
}
// Get the value of a variable.
int M_GetIntVariable(const char *name)
{
default_t *variable;
variable = GetDefaultForName(name);
if (variable == NULL || !variable->bound
|| (variable->type != DEFAULT_INT && variable->type != DEFAULT_INT_HEX))
{
return 0;
}
return *variable->location.i;
}
const char *M_GetStringVariable(const char *name)
{
default_t *variable;
variable = GetDefaultForName(name);
if (variable == NULL || !variable->bound
|| variable->type != DEFAULT_STRING)
{
return NULL;
}
return *variable->location.s;
}
float M_GetFloatVariable(const char *name)
{
default_t *variable;
variable = GetDefaultForName(name);
if (variable == NULL || !variable->bound
|| variable->type != DEFAULT_FLOAT)
{
return 0;
}
return *variable->location.f;
}
// Get the path to the default configuration dir to use, if NULL
// is passed to M_SetConfigDir.
static char *GetDefaultConfigDir(void)
{
#if !defined(_WIN32) || defined(_WIN32_WCE)
// Configuration settings are stored in an OS-appropriate path
// determined by SDL. On typical Unix systems, this might be
// ~/.local/share/chocolate-doom. On Windows, we behave like
// Vanilla Doom and save in the current directory.
char *result;
char *copy;
result = SDL_GetPrefPath("", PACKAGE_TARNAME);
if (result != NULL)
{
copy = M_StringDuplicate(result);
SDL_free(result);
return copy;
}
#endif /* #ifndef _WIN32 */
return M_StringDuplicate(exedir);
}
//
// SetConfigDir:
//
// Sets the location of the configuration directory, where configuration
// files are stored - default.cfg, chocolate-doom.cfg, savegames, etc.
//
void M_SetConfigDir(const char *dir)
{
// Use the directory that was passed, or find the default.
if (dir != NULL)
{
configdir = dir;
}
else
{
configdir = GetDefaultConfigDir();
}
if (strcmp(configdir, exedir) != 0)
{
printf("Using %s for configuration and saves\n", configdir);
}
// Make the directory if it doesn't already exist:
M_MakeDirectory(configdir);
}
#define MUSIC_PACK_README \
"Extract music packs into this directory in .flac or .ogg format;\n" \
"they will be automatically loaded based on filename to replace the\n" \
"in-game music with high quality versions.\n\n" \
"For more information check here:\n\n" \
" <https://www.chocolate-doom.org/wiki/index.php/Digital_music_packs>\n\n"
// Set the value of music_pack_path if it is currently empty, and create
// the directory if necessary.
void M_SetMusicPackDir(void)
{
const char *current_path;
char *prefdir, *music_pack_path, *readme_path;
current_path = M_GetStringVariable("music_pack_path");
if (current_path != NULL && strlen(current_path) > 0)
{
return;
}
prefdir = SDL_GetPrefPath("", PACKAGE_TARNAME);
if (prefdir == NULL)
{
printf("M_SetMusicPackDir: SDL_GetPrefPath failed, music pack directory not set\n");
return;
}
music_pack_path = M_StringJoin(prefdir, "music-packs", NULL);
M_MakeDirectory(prefdir);
M_MakeDirectory(music_pack_path);
M_SetVariable("music_pack_path", music_pack_path);
// We write a README file with some basic instructions on how to use
// the directory.
readme_path = M_StringJoin(music_pack_path, DIR_SEPARATOR_S,
"README.txt", NULL);
M_WriteFile(readme_path, MUSIC_PACK_README, strlen(MUSIC_PACK_README));
free(readme_path);
free(music_pack_path);
SDL_free(prefdir);
}
//
// Calculate the path to the directory to use to store save games.
// Creates the directory as necessary.
//
char *M_GetSaveGameDir(const char *iwadname)
{
char *savegamedir;
char *topdir;
int p;
//!
// @arg <directory>
//
// Specify a path from which to load and save games. If the directory
// does not exist then it will automatically be created.
//
p = M_CheckParmWithArgs("-savedir", 1);
if (p)
{
savegamedir = myargv[p + 1];
if (!M_FileExists(savegamedir))
{
M_MakeDirectory(savegamedir);
}
// add separator at end just in case
savegamedir = M_StringJoin(savegamedir, DIR_SEPARATOR_S, NULL);
printf("Save directory changed to %s.\n", savegamedir);
}
#ifdef _WIN32
// In -cdrom mode, we write savegames to a specific directory
// in addition to configs.
else if (M_ParmExists("-cdrom"))
{
savegamedir = M_StringDuplicate(configdir);
}
#endif
// If not "doing" a configuration directory (Windows), don't "do"
// a savegame directory, either.
else if (!strcmp(configdir, exedir))
{
savegamedir = M_StringDuplicate("");
}
else
{
// ~/.local/share/chocolate-doom/savegames
topdir = M_StringJoin(configdir, "savegames", NULL);
M_MakeDirectory(topdir);
// eg. ~/.local/share/chocolate-doom/savegames/doom2.wad/
savegamedir = M_StringJoin(topdir, DIR_SEPARATOR_S, iwadname,
DIR_SEPARATOR_S, NULL);
M_MakeDirectory(savegamedir);
free(topdir);
}
return savegamedir;
}
//
// Calculate the path to the directory for autoloaded WADs/DEHs.
// Creates the directory as necessary.
//
char *M_GetAutoloadDir(const char *iwadname)
{
char *result;
if (autoload_path == NULL || strlen(autoload_path) == 0)
{
char *prefdir;
prefdir = SDL_GetPrefPath("", PACKAGE_TARNAME);
if (prefdir == NULL)
{
printf("M_GetAutoloadDir: SDL_GetPrefPath failed\n");
return NULL;
}
autoload_path = M_StringJoin(prefdir, "autoload", NULL);
SDL_free(prefdir);
}
M_MakeDirectory(autoload_path);
result = M_StringJoin(autoload_path, DIR_SEPARATOR_S, iwadname, NULL);
M_MakeDirectory(result);
// TODO: Add README file
return result;
}