RetroArch/content.h

/*  RetroArch - A frontend for libretro.
 *  Copyright (C) 2010-2014 - Hans-Kristian Arntzen
 *  Copyright (C) 2011-2016 - Daniel De Matteis
 * 
 *  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/>.
 */

#ifndef __RARCH_FILE_H
#define __RARCH_FILE_H

#include <stdio.h>
#include <stdint.h>
#include <stddef.h>
#include <sys/types.h>

#include <boolean.h>

#include "frontend/frontend_driver.h"

#ifdef __cplusplus
extern "C" {
#endif

enum content_ctl_state
{
   CONTENT_CTL_NONE = 0,

   CONTENT_CTL_IS_INITED,

   CONTENT_CTL_DOES_NOT_NEED_CONTENT,

   CONTENT_CTL_SET_DOES_NOT_NEED_CONTENT,

   CONTENT_CTL_UNSET_DOES_NOT_NEED_CONTENT,

   /* Initializes and loads a content file for the currently
    * selected libretro core. */
   CONTENT_CTL_INIT,

   CONTENT_CTL_DEINIT,

   CONTENT_CTL_GET_CRC,
};

typedef struct ram_type
{
   const char *path;
   int type;
} ram_type_t;

typedef struct content_stream
{
   uint32_t a;
   const uint8_t *b;
   size_t c;
   uint32_t crc;
} content_stream_t;

typedef struct content_ctx_info
{
   int argc;                       /* Argument count. */
   char **argv;                    /* Argument variable list. */
   void *args;                     /* Arguments passed from callee */
   environment_get_t environ_get;  /* Function passed for environment_get function */
} content_ctx_info_t;

void content_push_to_history_playlist(bool do_push,
      const char *path, void *data);

/* Load a RAM state from disk to memory. */
bool content_load_ram_file(ram_type_t *ram);

/* Save a RAM state from memory to disk. */
bool content_save_ram_file(ram_type_t *ram);

/* Load a state from disk to memory. */
bool content_load_state(const char *path);

/* Save a state from memory to disk. */
bool content_save_state(const char *path);

/* Loads content file and starts up RetroArch.
 * If no content file can be loaded, will start up RetroArch
 * as-is. */
bool content_load(content_ctx_info_t *info);

bool content_ctl(enum content_ctl_state state, void *data);

#ifdef __cplusplus
}
#endif

#endif