mirror of
https://github.com/CTCaer/RetroArch.git
synced 2024-12-24 11:45:16 +00:00
424 lines
9.8 KiB
C
424 lines
9.8 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2015 - Daniel De Matteis
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU 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 along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdlib.h>
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#include <stddef.h>
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#include <string.h>
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#include <file/config_file.h>
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#include <file/file_path.h>
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#include <compat/strl.h>
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#include <compat/posix_string.h>
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#include "cheats.h"
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#include "general.h"
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#include "runloop.h"
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#include "dynamic.h"
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#include "verbosity.h"
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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_CHEEVOS
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#include "cheevos.h"
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#endif
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struct item_cheat
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{
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char *desc;
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bool state;
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char *code;
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};
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struct cheat_manager
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{
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struct item_cheat *cheats;
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unsigned ptr;
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unsigned size;
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unsigned buf_size;
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};
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unsigned cheat_manager_get_buf_size(void)
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{
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global_t *global = global_get_ptr();
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cheat_manager_t *handle = global->cheat;
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if (!handle)
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return 0;
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return handle->buf_size;
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}
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unsigned cheat_manager_get_size(void)
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{
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global_t *global = global_get_ptr();
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cheat_manager_t *handle = global->cheat;
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if (!handle)
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return 0;
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return handle->size;
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}
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void cheat_manager_apply_cheats(void)
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{
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unsigned i, idx = 0;
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global_t *global = global_get_ptr();
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cheat_manager_t *handle = global->cheat;
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if (!handle)
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return;
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core.retro_cheat_reset();
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for (i = 0; i < handle->size; i++)
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{
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if (handle->cheats[i].state)
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core.retro_cheat_set(idx++, true, handle->cheats[i].code);
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}
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#ifdef HAVE_CHEEVOS
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cheevos_globals.cheats_are_enabled = idx != 0;
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cheevos_globals.cheats_were_enabled |= cheevos_globals.cheats_are_enabled;
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#endif
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}
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void cheat_manager_set_code(unsigned i, const char *str)
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{
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global_t *global = global_get_ptr();
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cheat_manager_t *handle = global->cheat;
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if (!handle)
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return;
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handle->cheats[i].code = strdup(str);
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handle->cheats[i].state = true;
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}
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/**
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* cheat_manager_save:
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* @path : Path to cheats file (relative path).
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*
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* Saves cheats to file on disk.
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*
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* Returns: true (1) if successful, otherwise false (0).
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**/
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bool cheat_manager_save(const char *path)
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{
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bool ret;
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unsigned i;
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config_file_t *conf = NULL;
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char buf[PATH_MAX_LENGTH] = {0};
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char cheats_file[PATH_MAX_LENGTH] = {0};
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settings_t *settings = config_get_ptr();
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global_t *global = global_get_ptr();
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cheat_manager_t *handle = global->cheat;
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fill_pathname_join(buf, settings->cheat_database,
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path, sizeof(buf));
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fill_pathname_noext(cheats_file, buf, ".cht", sizeof(cheats_file));
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conf = config_file_new(cheats_file);
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if (!conf)
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conf = config_file_new(NULL);
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if (!conf)
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return false;
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if (!handle)
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{
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config_file_free(conf);
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return false;
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}
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config_set_int(conf, "cheats", handle->size);
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for (i = 0; i < handle->size; i++)
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{
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char key[64] = {0};
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char desc_key[256] = {0};
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char code_key[256] = {0};
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char enable_key[256] = {0};
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snprintf(key, sizeof(key), "cheat%u", i);
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snprintf(desc_key, sizeof(desc_key), "cheat%u_desc", i);
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snprintf(code_key, sizeof(code_key), "cheat%u_code", i);
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snprintf(enable_key, sizeof(enable_key), "cheat%u_enable", i);
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if (handle->cheats[i].desc)
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config_set_string(conf, desc_key, handle->cheats[i].desc);
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else
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config_set_string(conf, desc_key, handle->cheats[i].code);
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config_set_string(conf, code_key, handle->cheats[i].code);
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config_set_bool(conf, enable_key, handle->cheats[i].state);
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}
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ret = config_file_write(conf, cheats_file);
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config_file_free(conf);
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return ret;
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}
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bool cheat_manager_load(const char *path)
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{
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unsigned cheats = 0, i;
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cheat_manager_t *cheat;
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config_file_t *conf = config_file_new(path);
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global_t *global = global_get_ptr();
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if (!conf)
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return false;
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config_get_uint(conf, "cheats", &cheats);
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if (cheats == 0)
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return false;
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cheat = cheat_manager_new(cheats);
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if (!cheat)
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return false;
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for (i = 0; i < cheats; i++)
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{
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char key[64] = {0};
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char desc_key[256] = {0};
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char code_key[256] = {0};
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char enable_key[256] = {0};
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char *tmp = NULL;
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bool tmp_bool = false;
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snprintf(key, sizeof(key), "cheat%u", i);
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snprintf(desc_key, sizeof(desc_key), "cheat%u_desc", i);
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snprintf(code_key, sizeof(code_key), "cheat%u_code", i);
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snprintf(enable_key, sizeof(enable_key), "cheat%u_enable", i);
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if (config_get_string(conf, desc_key, &tmp))
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cheat->cheats[i].desc = strdup(tmp);
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if (config_get_string(conf, code_key, &tmp))
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cheat->cheats[i].code = strdup(tmp);
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if (config_get_bool(conf, enable_key, &tmp_bool))
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cheat->cheats[i].state = tmp_bool;
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if (tmp)
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free(tmp);
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}
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config_file_free(conf);
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global->cheat = cheat;
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return true;
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}
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cheat_manager_t *cheat_manager_new(unsigned size)
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{
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unsigned i;
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cheat_manager_t *handle = (cheat_manager_t*)
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calloc(1, sizeof(struct cheat_manager));
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if (!handle)
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return NULL;
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handle->buf_size = size;
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handle->size = size;
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handle->cheats = (struct item_cheat*)
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calloc(handle->buf_size, sizeof(struct item_cheat));
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if (!handle->cheats)
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{
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handle->buf_size = 0;
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handle->size = 0;
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handle->cheats = NULL;
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return handle;
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}
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for (i = 0; i < handle->size; i++)
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{
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handle->cheats[i].desc = NULL;
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handle->cheats[i].code = NULL;
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handle->cheats[i].state = false;
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}
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return handle;
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}
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bool cheat_manager_realloc(unsigned new_size)
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{
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unsigned i;
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global_t *global = global_get_ptr();
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cheat_manager_t *handle = global->cheat;
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if (!handle)
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return false;
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if (!handle->cheats)
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handle->cheats = (struct item_cheat*)
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calloc(new_size, sizeof(struct item_cheat));
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else
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handle->cheats = (struct item_cheat*)
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realloc(handle->cheats, new_size * sizeof(struct item_cheat));
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if (!handle->cheats)
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{
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handle->buf_size = handle->size = 0;
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handle->cheats = NULL;
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return false;
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}
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handle->buf_size = new_size;
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handle->size = new_size;
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for (i = 0; i < handle->size; i++)
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{
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handle->cheats[i].desc = NULL;
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handle->cheats[i].code = NULL;
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handle->cheats[i].state = false;
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}
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return true;
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}
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void cheat_manager_free(void)
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{
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global_t *global = global_get_ptr();
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cheat_manager_t *handle = global->cheat;
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if (!handle)
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return;
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if (handle->cheats)
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{
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unsigned i;
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for (i = 0; i < handle->size; i++)
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{
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free(handle->cheats[i].desc);
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free(handle->cheats[i].code);
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}
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free(handle->cheats);
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}
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free(handle);
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}
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void cheat_manager_update(cheat_manager_t *handle, unsigned handle_idx)
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{
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char msg[256] = {0};
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if (!handle)
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return;
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snprintf(msg, sizeof(msg), "Cheat: #%u [%s]: %s",
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handle_idx, handle->cheats[handle_idx].state ? "ON" : "OFF",
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(handle->cheats[handle_idx].desc) ?
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(handle->cheats[handle_idx].desc) : (handle->cheats[handle_idx].code)
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);
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rarch_main_msg_queue_push(msg, 1, 180, true);
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RARCH_LOG("%s\n", msg);
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}
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void cheat_manager_toggle_index(cheat_manager_t *handle, unsigned i)
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{
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if (!handle)
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return;
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handle->cheats[i].state = !handle->cheats[i].state;
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cheat_manager_update(handle, i);
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}
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void cheat_manager_toggle(cheat_manager_t *handle)
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{
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if (!handle)
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return;
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handle->cheats[handle->ptr].state ^= true;
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cheat_manager_apply_cheats();
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cheat_manager_update(handle, handle->ptr);
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}
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void cheat_manager_index_next(cheat_manager_t *handle)
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{
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if (!handle)
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return;
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handle->ptr = (handle->ptr + 1) % handle->size;
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cheat_manager_update(handle, handle->ptr);
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}
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void cheat_manager_index_prev(cheat_manager_t *handle)
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{
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if (!handle)
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return;
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if (handle->ptr == 0)
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handle->ptr = handle->size - 1;
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else
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handle->ptr--;
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cheat_manager_update(handle, handle->ptr);
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}
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const char *cheat_manager_get_code(unsigned i)
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{
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global_t *global = global_get_ptr();
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cheat_manager_t *handle = global->cheat;
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if (!handle)
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return NULL;
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return handle->cheats[i].code;
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}
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const char *cheat_manager_get_desc(cheat_manager_t *handle, unsigned i)
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{
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if (!handle)
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return NULL;
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return handle->cheats[i].desc;
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}
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bool cheat_manager_get_code_state(unsigned i)
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{
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global_t *global = global_get_ptr();
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cheat_manager_t *handle = global->cheat;
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if (!handle)
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return false;
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return handle->cheats[i].state;
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}
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void cheat_manager_state_checks(
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bool cheat_index_plus_pressed,
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bool cheat_index_minus_pressed,
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bool cheat_toggle_pressed)
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{
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global_t *global = global_get_ptr();
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if (!global || !global->cheat)
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return;
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if (cheat_index_plus_pressed)
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cheat_manager_index_next(global->cheat);
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else if (cheat_index_minus_pressed)
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cheat_manager_index_prev(global->cheat);
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else if (cheat_toggle_pressed)
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cheat_manager_toggle(global->cheat);
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}
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void cheat_manager_state_free(void)
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{
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global_t *global;
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cheat_manager_free();
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global = global_get_ptr();
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global->cheat = NULL;
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}
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