RetroArch/input/input_remapping.c
2019-08-02 17:44:04 +02:00

307 lines
11 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2011-2017 - Daniel De Matteis
* Copyright (C) 2016-2019 - 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_remapping.h"
#include "../configuration.h"
#include "../retroarch.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, k;
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))
input_remapping_set_defaults(true);
global->name.remapfile = strdup(path);
for (i = 0; i < MAX_USERS; i++)
{
char s1[64], s2[64], s3[64];
char btn_ident[RARCH_FIRST_CUSTOM_BIND][128] = {{0}};
char key_ident[RARCH_FIRST_CUSTOM_BIND][128] = {{0}};
char stk_ident[8][192] = {{0}};
char key_strings[RARCH_FIRST_CUSTOM_BIND + 8][128] = {
"b", "y", "select", "start",
"up", "down", "left", "right",
"a", "x", "l", "r", "l2", "r2",
"l3", "r3", "l_x+", "l_x-", "l_y+", "l_y-", "r_x+", "r_x-", "r_y+", "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';
s3[0] = '\0';
snprintf(s1, sizeof(s1), "input_player%u_btn", i + 1);
snprintf(s2, sizeof(s2), "input_player%u_key", i + 1);
snprintf(s3, sizeof(s3), "input_player%u_stk", i + 1);
for (j = 0; j < RARCH_FIRST_CUSTOM_BIND + 8; j++)
{
if (j < RARCH_FIRST_CUSTOM_BIND)
{
int btn_remap = -1;
int key_remap = -1;
fill_pathname_join_delim(btn_ident[j], s1,
key_strings[j], '_', sizeof(btn_ident[j]));
fill_pathname_join_delim(key_ident[j], s2,
key_strings[j], '_', sizeof(btn_ident[j]));
if (config_get_int(conf, btn_ident[j], &btn_remap)
&& btn_remap != -1)
settings->uints.input_remap_ids[i][j] = btn_remap;
else if (config_get_int(conf, btn_ident[j], &btn_remap)
&& btn_remap == -1)
settings->uints.input_remap_ids[i][j] = RARCH_UNMAPPED;
/* else do nothing, important */
if (config_get_int(conf, key_ident[j], &key_remap))
settings->uints.input_keymapper_ids[i][j] = key_remap;
else
settings->uints.input_keymapper_ids[i][j] = RETROK_UNKNOWN;
}
else
{
int stk_remap = -1;
k = j - RARCH_FIRST_CUSTOM_BIND;
fill_pathname_join_delim(stk_ident[k], s3,
key_strings[j], '$', sizeof(stk_ident[k]));
snprintf(stk_ident[k],
sizeof(stk_ident[k]),
"%s_%s",
s3,
key_strings[j]);
if (config_get_int(conf, stk_ident[k], &stk_remap) && stk_remap != -1)
settings->uints.input_remap_ids[i][j] = stk_remap;
else if (config_get_int(conf, stk_ident[k], &stk_remap) && stk_remap == -1)
settings->uints.input_remap_ids[i][j] = RARCH_UNMAPPED;
/* else do nothing, important */
}
}
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, k;
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);
if (!(conf = config_file_new_from_path_to_string(remap_file)))
{
if (!(conf = config_file_new_alloc()))
{
free(remap_file);
return false;
}
}
for (i = 0; i < max_users; i++)
{
char s1[64], s2[64], s3[64];
char btn_ident[RARCH_FIRST_CUSTOM_BIND][128] = {{0}};
char key_ident[RARCH_FIRST_CUSTOM_BIND][128] = {{0}};
char stk_ident[8][128] = {{0}};
char key_strings[RARCH_FIRST_CUSTOM_BIND + 8][128] = {
"b", "y", "select", "start",
"up", "down", "left", "right",
"a", "x", "l", "r", "l2", "r2",
"l3", "r3", "l_x+", "l_x-", "l_y+", "l_y-", "r_x+", "r_x-", "r_y+", "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);
snprintf(s3, sizeof(s1), "input_player%u_stk", i + 1);
for (j = 0; j < RARCH_FIRST_CUSTOM_BIND + 8; j++)
{
if(j < RARCH_FIRST_CUSTOM_BIND)
{
fill_pathname_join_delim(btn_ident[j], s1,
key_strings[j], '_', sizeof(btn_ident[j]));
fill_pathname_join_delim(key_ident[j], s2,
key_strings[j], '_', sizeof(btn_ident[j]));
/* only save values that have been modified */
if(settings->uints.input_remap_ids[i][j] != j &&
settings->uints.input_remap_ids[i][j] != RARCH_UNMAPPED)
config_set_int(conf, btn_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, btn_ident[j], -1);
else
config_unset(conf,btn_ident[j]);
if (settings->uints.input_keymapper_ids[i][j] != RETROK_UNKNOWN)
config_set_int(conf, key_ident[j],
settings->uints.input_keymapper_ids[i][j]);
}
else
{
k = j - RARCH_FIRST_CUSTOM_BIND;
fill_pathname_join_delim(stk_ident[k], s3,
key_strings[j], '_', sizeof(stk_ident[k]));
if(settings->uints.input_remap_ids[i][j] != j &&
settings->uints.input_remap_ids[i][j] != RARCH_UNMAPPED)
config_set_int(conf, stk_ident[k],
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, stk_ident[k],
-1);
else
config_unset(conf, stk_ident[k]);
}
}
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, true);
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_CONTENT_DIR_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 + 8; j++)
{
if (j < RARCH_FIRST_CUSTOM_BIND)
{
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;
}
else
settings->uints.input_remap_ids[i][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];
}
}