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RetroArch/input/input_remapping.c

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2011-2017 - Daniel De Matteis
* Copyright (C) 2016-2017 - Andrés Suárez
*
* RetroArch 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 Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include <compat/strl.h>
#include <file/config_file.h>
#include <file/file_path.h>
#include <streams/file_stream.h>
#include <string/stdstring.h>
#include "input_driver.h"
#include "input_remapping.h"
#include "../configuration.h"
#include "../retroarch.h"
#include "../verbosity.h"
static unsigned old_analog_dpad_mode[MAX_USERS];
static unsigned old_libretro_device[MAX_USERS];
/**
* input_remapping_load_file:
* @data : Path to config file.
*
* Loads a remap file from disk to memory.
*
* Returns: true (1) if successful, otherwise false (0).
**/
bool input_remapping_load_file(void *data, const char *path)
{
unsigned i, j;
config_file_t *conf = (config_file_t*)data;
settings_t *settings = config_get_ptr();
global_t *global = global_get_ptr();
if (!conf || string_is_empty(path))
return false;
if (!string_is_empty(global->name.remapfile))
free(global->name.remapfile);
global->name.remapfile = strdup(path);
for (i = 0; i < MAX_USERS; i++)
{
char s1[64], s2[64];
char key_ident[RARCH_FIRST_CUSTOM_BIND + 4][128] = {{0}};
char keymapper_ident[RARCH_FIRST_CUSTOM_BIND + 4][128] = {{0}};
char key_strings[RARCH_FIRST_CUSTOM_BIND + 4][128] =
{ "b", "y", "select", "start",
"up", "down", "left", "right",
"a", "x", "l", "r", "l2", "r2",
"l3", "r3", "l_x", "l_y", "r_x", "r_y" };
old_analog_dpad_mode[i] = settings->uints.input_analog_dpad_mode[i];
old_libretro_device[i] = settings->uints.input_libretro_device[i];
s1[0] = '\0';
s2[0] = '\0';
snprintf(s1, sizeof(s1), "input_player%u_btn", i + 1);
snprintf(s2, sizeof(s2), "input_player%u_key", i + 1);
for (j = 0; j < RARCH_FIRST_CUSTOM_BIND + 4; j++)
{
int btn_remap = -1;
fill_pathname_join_delim(key_ident[j], s1,
key_strings[j], '_', sizeof(key_ident[j]));
fill_pathname_join_delim(keymapper_ident[j], s2,
key_strings[j], '_', sizeof(key_ident[j]));
if (config_get_int(conf, key_ident[j], &btn_remap)
&& (btn_remap < RARCH_FIRST_CUSTOM_BIND && btn_remap != -1))
settings->uints.input_remap_ids[i][j] = btn_remap;
else if (config_get_int(conf, key_ident[j], &btn_remap)
&& (btn_remap == -1))
settings->uints.input_remap_ids[i][j] = RARCH_UNMAPPED;
int key_remap = -1;
if (config_get_int(conf, keymapper_ident[j], &key_remap))
settings->uints.input_keymapper_ids[i][j] = key_remap;
else
settings->uints.input_keymapper_ids[i][j] = RETROK_UNKNOWN;
}
for (j = 0; j < 4; j++)
{
int btn_remap = -1;
snprintf(key_ident[RARCH_FIRST_CUSTOM_BIND + j],
sizeof(key_ident[RARCH_FIRST_CUSTOM_BIND + j]),
"%s_%s",
s1,
key_strings[RARCH_FIRST_CUSTOM_BIND + j]);
if (config_get_int(conf, key_ident[RARCH_FIRST_CUSTOM_BIND + j],
&btn_remap) && (btn_remap < 4))
settings->uints.input_remap_ids[i][RARCH_FIRST_CUSTOM_BIND + j] =
btn_remap;
}
snprintf(s1, sizeof(s1), "input_player%u_analog_dpad_mode", i + 1);
CONFIG_GET_INT_BASE(conf, settings, uints.input_analog_dpad_mode[i], s1);
snprintf(s1, sizeof(s1), "input_libretro_device_p%u", i + 1);
CONFIG_GET_INT_BASE(conf, settings, uints.input_libretro_device[i], s1);
}
config_file_free(conf);
return true;
}
/**
* input_remapping_save_file:
* @path : Path to remapping file (relative path).
*
* Saves remapping values to file.
*
* Returns: true (1) if successful, otherwise false (0).
**/
bool input_remapping_save_file(const char *path)
{
bool ret;
unsigned i, j;
size_t path_size = PATH_MAX_LENGTH * sizeof(char);
char *buf = (char*)malloc(PATH_MAX_LENGTH * sizeof(char));
char *remap_file = (char*)malloc(PATH_MAX_LENGTH * sizeof(char));
config_file_t *conf = NULL;
unsigned max_users = *(input_driver_get_uint(INPUT_ACTION_MAX_USERS));
settings_t *settings = config_get_ptr();
buf[0] = remap_file[0] = '\0';
fill_pathname_join(buf, settings->paths.directory_input_remapping,
path, path_size);
fill_pathname_noext(remap_file, buf, ".rmp", path_size);
free(buf);
conf = config_file_new(remap_file);
if (!conf)
{
conf = config_file_new(NULL);
if (!conf)
{
free(remap_file);
return false;
}
}
for (i = 0; i < max_users; i++)
{
char s1[64], s2[64];
char key_ident[RARCH_FIRST_CUSTOM_BIND + 4][128] = {{0}};
char keymapper_ident[RARCH_FIRST_CUSTOM_BIND + 4][128] = {{0}};
char key_strings[RARCH_FIRST_CUSTOM_BIND + 4][128] = {
"b", "y", "select", "start",
"up", "down", "left", "right",
"a", "x", "l", "r", "l2", "r2",
"l3", "r3", "l_x", "l_y", "r_x", "r_y" };
s1[0] = '\0';
s2[0] = '\0';
snprintf(s1, sizeof(s1), "input_player%u_btn", i + 1);
snprintf(s2, sizeof(s2), "input_player%u_key", i + 1);
for (j = 0; j < RARCH_FIRST_CUSTOM_BIND + 4; j++)
{
fill_pathname_join_delim(key_ident[j], s1,
key_strings[j], '_', sizeof(key_ident[j]));
fill_pathname_join_delim(keymapper_ident[j], s2,
key_strings[j], '_', sizeof(key_ident[j]));
/* only save values that have been modified */
if(j < RARCH_FIRST_CUSTOM_BIND)
{
if(settings->uints.input_remap_ids[i][j] != j && settings->uints.input_remap_ids[i][j] != RARCH_UNMAPPED)
config_set_int(conf, key_ident[j], settings->uints.input_remap_ids[i][j]);
else if (settings->uints.input_remap_ids[i][j] != j && settings->uints.input_remap_ids[i][j] == RARCH_UNMAPPED)
config_set_int(conf, key_ident[j], -1);
else
config_unset(conf,key_ident[j]);
if (settings->uints.input_keymapper_ids[i][j] != RETROK_UNKNOWN)
config_set_int(conf, keymapper_ident[j],
settings->uints.input_keymapper_ids[i][j]);
}
else
{
if(settings->uints.input_remap_ids[i][j] != j - RARCH_FIRST_CUSTOM_BIND)
config_set_int(conf, key_ident[j],
settings->uints.input_remap_ids[i][j]);
else
config_unset(conf,key_ident[j]);
}
}
snprintf(s1, sizeof(s1), "input_libretro_device_p%u", i + 1);
config_set_int(conf, s1, input_config_get_device(i));
snprintf(s1, sizeof(s1), "input_player%u_analog_dpad_mode", i + 1);
config_set_int(conf, s1, settings->uints.input_analog_dpad_mode[i]);
}
ret = config_file_write(conf, remap_file);
config_file_free(conf);
free(remap_file);
return ret;
}
bool input_remapping_remove_file(const char *path)
{
bool ret = false;
size_t path_size = PATH_MAX_LENGTH * sizeof(char);
char *buf = (char*)malloc(PATH_MAX_LENGTH * sizeof(char));
char *remap_file = (char*)malloc(PATH_MAX_LENGTH * sizeof(char));
settings_t *settings = config_get_ptr();
buf[0] = remap_file[0] = '\0';
fill_pathname_join(buf, settings->paths.directory_input_remapping,
path, path_size);
fill_pathname_noext(remap_file, buf, ".rmp", path_size);
ret = filestream_delete(remap_file) == 0 ? true : false;
free(buf);
free(remap_file);
return ret;
}
void input_remapping_set_defaults(bool deinit)
{
unsigned i, j;
settings_t *settings = config_get_ptr();
global_t *global = global_get_ptr();
if (!global)
return;
if (deinit)
{
if (!string_is_empty(global->name.remapfile))
free(global->name.remapfile);
global->name.remapfile = NULL;
rarch_ctl(RARCH_CTL_UNSET_REMAPS_CORE_ACTIVE, NULL);
rarch_ctl(RARCH_CTL_UNSET_REMAPS_GAME_ACTIVE, NULL);
}
for (i = 0; i < MAX_USERS; i++)
{
for (j = 0; j < RARCH_FIRST_CUSTOM_BIND; j++)
{
const struct retro_keybind *keybind = &input_config_binds[i][j];
if (keybind)
settings->uints.input_remap_ids[i][j] = keybind->id;
settings->uints.input_keymapper_ids[i][j] = RETROK_UNKNOWN;
}
for (j = 0; j < 4; j++)
settings->uints.input_remap_ids[i][RARCH_FIRST_CUSTOM_BIND + j] = j;
if (old_analog_dpad_mode[i])
settings->uints.input_analog_dpad_mode[i] = old_analog_dpad_mode[i];
if (old_libretro_device[i])
settings->uints.input_libretro_device[i] = old_libretro_device[i];
}
}
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