/* RetroArch - A frontend for libretro.

* Copyright (C) 2011-2015 - 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/>.

*/

#include <compat/strl.h>

#include "command_event.h"

#include "general.h"

#include "performance.h"

#include "dynamic.h"

#include "content.h"

#include "screenshot.h"

#include "msg_hash.h"

#include "retroarch.h"

#include "dir_list_special.h"

#ifdef HAVE_CHEEVOS

#include "cheevos.h"

#endif

#include "runloop_data.h"

#include "configuration.h"

#include "input/input_remapping.h"

#ifdef HAVE_MENU

#include "menu/menu.h"

#include "menu/menu_display.h"

#include "menu/menu_shader.h"

#include "menu/menu_input.h"

#endif

#ifdef HAVE_NETPLAY

#include "netplay.h"

#endif

#ifdef HAVE_NETWORKING

#include <net/net_compat.h>

#endif

#ifdef HAVE_COMMAND

static void event_init_command(void)

{

driver_t *driver = driver_get_ptr();

settings_t *settings = config_get_ptr();

if (!settings->stdin_cmd_enable && !settings->network_cmd_enable)

return;

if (settings->stdin_cmd_enable && input_driver_grab_stdin())

{

RARCH_WARN("stdin command interface is desired, but input driver has already claimed stdin.\n"

"Cannot use this command interface.\n");

}

if (!(driver->command = rarch_cmd_new(settings->stdin_cmd_enable

&& !input_driver_grab_stdin(),

settings->network_cmd_enable, settings->network_cmd_port)))

RARCH_ERR("Failed to initialize command interface.\n");

}

#endif

/**

* event_free_temporary_content:

*

* Frees temporary content handle.

**/

static void event_free_temporary_content(void)

{

unsigned i;

global_t *global = global_get_ptr();

for (i = 0; i < global->temporary_content->size; i++)

{

const char *path = global->temporary_content->elems[i].data;

RARCH_LOG("%s: %s.\n",

msg_hash_to_str(MSG_REMOVING_TEMPORARY_CONTENT_FILE), path);

if (remove(path) < 0)

RARCH_ERR("%s: %s.\n",

msg_hash_to_str(MSG_FAILED_TO_REMOVE_TEMPORARY_FILE),

path);

}

string_list_free(global->temporary_content);

}

#if defined(HAVE_THREADS)

static void event_init_autosave(void)

{

unsigned i;

settings_t *settings = config_get_ptr();

global_t *global = global_get_ptr();

if (settings->autosave_interval < 1 || !global->savefiles)

return;

if (!(global->autosave.list = (autosave_t**)calloc(global->savefiles->size,

sizeof(*global->autosave.list))))

return;

global->autosave.num = global->savefiles->size;

for (i = 0; i < global->savefiles->size; i++)

{

const char *path = global->savefiles->elems[i].data;

unsigned type = global->savefiles->elems[i].attr.i;

if (core.retro_get_memory_size(type) <= 0)

continue;

global->autosave.list[i] = autosave_new(path,

core.retro_get_memory_data(type),

core.retro_get_memory_size(type),

settings->autosave_interval);

if (!global->autosave.list[i])

RARCH_WARN("%s\n", msg_hash_to_str(MSG_AUTOSAVE_FAILED));

}

}

static void event_deinit_autosave(void)

{

unsigned i;

global_t *global = global_get_ptr();

for (i = 0; i < global->autosave.num; i++)

autosave_free(global->autosave.list[i]);

if (global->autosave.list)

free(global->autosave.list);

global->autosave.list = NULL;

global->autosave.num = 0;

}

#endif

static void event_save_files(void)

{

unsigned i;

global_t *global = global_get_ptr();

if (!global->savefiles || !global->sram.use)

return;

for (i = 0; i < global->savefiles->size; i++)

{

unsigned type = global->savefiles->elems[i].attr.i;

const char *path = global->savefiles->elems[i].data;

RARCH_LOG("%s #%u %s \"%s\".\n",

msg_hash_to_str(MSG_SAVING_RAM_TYPE),

type,

msg_hash_to_str(MSG_TO),

path);

save_ram_file(path, type);

}

}

static void event_init_movie(void)

{

settings_t *settings = config_get_ptr();

global_t *global = global_get_ptr();

if (global->bsv.movie_start_playback)

{

if (!(global->bsv.movie = bsv_movie_init(global->bsv.movie_start_path,

RARCH_MOVIE_PLAYBACK)))

{

RARCH_ERR("%s: \"%s\".\n",

msg_hash_to_str(MSG_FAILED_TO_LOAD_MOVIE_FILE),

global->bsv.movie_start_path);

rarch_fail(1, "event_init_movie()");

}

global->bsv.movie_playback = true;

rarch_main_msg_queue_push_new(MSG_STARTING_MOVIE_PLAYBACK, 2, 180, false);

RARCH_LOG("%s.\n", msg_hash_to_str(MSG_STARTING_MOVIE_PLAYBACK));

settings->rewind_granularity = 1;

}

else if (global->bsv.movie_start_recording)

{

char msg[PATH_MAX_LENGTH] = {0};

snprintf(msg, sizeof(msg),

"%s \"%s\".",

msg_hash_to_str(MSG_STARTING_MOVIE_RECORD_TO),

global->bsv.movie_start_path);

if (!(global->bsv.movie = bsv_movie_init(global->bsv.movie_start_path,

RARCH_MOVIE_RECORD)))

{

rarch_main_msg_queue_push_new(MSG_FAILED_TO_START_MOVIE_RECORD, 1, 180, true);

RARCH_ERR("%s.\n", msg_hash_to_str(MSG_FAILED_TO_START_MOVIE_RECORD));

return;

}

rarch_main_msg_queue_push(msg, 1, 180, true);

RARCH_LOG("%s \"%s\".\n",

msg_hash_to_str(MSG_STARTING_MOVIE_RECORD_TO),

global->bsv.movie_start_path);

settings->rewind_granularity = 1;

}

}

/**

* event_disk_control_set_eject:

* @new_state : Eject or close the virtual drive tray.

* false (0) : Close

* true (1) : Eject

* @print_log : Show message onscreen.

*

* Ejects/closes of the virtual drive tray.

**/

static void event_disk_control_set_eject(bool new_state, bool print_log)

{

char msg[PATH_MAX_LENGTH] = {0};

bool error = false;

rarch_system_info_t *info = rarch_system_info_get_ptr();

const struct retro_disk_control_callback *control =

info ? (const struct retro_disk_control_callback*)&info->disk_control : NULL;

if (!control || !control->get_num_images)

return;

*msg = '\0';

if (control->set_eject_state(new_state))

snprintf(msg, sizeof(msg), "%s %s",

new_state ? "Ejected" : "Closed",

msg_hash_to_str(MSG_VIRTUAL_DISK_TRAY));

else

{

error = true;

snprintf(msg, sizeof(msg), "%s %s %s",

msg_hash_to_str(MSG_FAILED_TO),

new_state ? "eject" : "close",

msg_hash_to_str(MSG_VIRTUAL_DISK_TRAY));

}

if (*msg)

{

if (error)

RARCH_ERR("%s\n", msg);

else

RARCH_LOG("%s\n", msg);

/* Only noise in menu. */

if (print_log)

rarch_main_msg_queue_push(msg, 1, 180, true);

}

}

/**

* event_check_disk_eject:

* @control : Handle to disk control handle.

*

* Perform disk eject (Core Disk Options).

**/

static void event_check_disk_eject(

const struct retro_disk_control_callback *control)

{

bool new_state = !control->get_eject_state();

event_disk_control_set_eject(new_state, true);

}

/**

* event_disk_control_set_index:

* @idx : Index of disk to set as current.

*

* Sets current disk to @index.

**/

static void event_disk_control_set_index(unsigned idx)

{

unsigned num_disks;

char msg[PATH_MAX_LENGTH] = {0};

rarch_system_info_t *info = rarch_system_info_get_ptr();

const struct retro_disk_control_callback *control =

info ? (const struct retro_disk_control_callback*)&info->disk_control : NULL;

bool error = false;

if (!control || !control->get_num_images)

return;

*msg = '\0';

num_disks = control->get_num_images();

if (control->set_image_index(idx))

{

if (idx < num_disks)

snprintf(msg, sizeof(msg), "Setting disk %u of %u in tray.",

idx + 1, num_disks);

else

strlcpy(msg,

msg_hash_to_str(MSG_REMOVED_DISK_FROM_TRAY),

sizeof(msg));

}

else

{

if (idx < num_disks)

snprintf(msg, sizeof(msg), "Failed to set disk %u of %u.",

idx + 1, num_disks);

else

strlcpy(msg,

msg_hash_to_str(MSG_FAILED_TO_REMOVE_DISK_FROM_TRAY),

sizeof(msg));

error = true;

}

if (*msg)

{

if (error)

RARCH_ERR("%s\n", msg);

else

RARCH_LOG("%s\n", msg);

rarch_main_msg_queue_push(msg, 1, 180, true);

}

}

/**

* event_disk_control_append_image:

* @path : Path to disk image.

*

* Appends disk image to disk image list.

**/

void event_disk_control_append_image(const char *path)

{

unsigned new_idx;

char msg[PATH_MAX_LENGTH] = {0};

struct retro_game_info info = {0};

global_t *global = global_get_ptr();

rarch_system_info_t *sysinfo = rarch_system_info_get_ptr();

const struct retro_disk_control_callback *control =

sysinfo ? (const struct retro_disk_control_callback*)&sysinfo->disk_control

: NULL;

if (!control)

return;

event_disk_control_set_eject(true, false);

control->add_image_index();

new_idx = control->get_num_images();

if (!new_idx)

return;

new_idx--;

info.path = path;

control->replace_image_index(new_idx, &info);

snprintf(msg, sizeof(msg), "%s: ", msg_hash_to_str(MSG_APPENDED_DISK));

strlcat(msg, path, sizeof(msg));

RARCH_LOG("%s\n", msg);

rarch_main_msg_queue_push(msg, 0, 180, true);

event_command(EVENT_CMD_AUTOSAVE_DEINIT);

/* TODO: Need to figure out what to do with subsystems case. */

if (!*global->subsystem)

{

/* Update paths for our new image.

* If we actually use append_image, we assume that we

* started out in a single disk case, and that this way

* of doing it makes the most sense. */

rarch_set_paths(path);

rarch_ctl(RARCH_ACTION_STATE_FILL_PATHNAMES, NULL);

}

event_command(EVENT_CMD_AUTOSAVE_INIT);

event_disk_control_set_index(new_idx);

event_disk_control_set_eject(false, false);

}

/**

* event_check_disk_prev:

* @control : Handle to disk control handle.

*

* Perform disk cycle to previous index action (Core Disk Options).

**/

static void event_check_disk_prev(

const struct retro_disk_control_callback *control)

{

unsigned num_disks = 0;

unsigned current = 0;

bool disk_prev_enable = false;

if (!control)

return;

if (!control->get_num_images)

return;

if (!control->get_image_index)

return;

num_disks = control->get_num_images();

current = control->get_image_index();

disk_prev_enable = num_disks && num_disks != UINT_MAX;

if (!disk_prev_enable)

{

RARCH_ERR("%s.\n", msg_hash_to_str(MSG_GOT_INVALID_DISK_INDEX));

return;

}

if (current > 0)

current--;

event_disk_control_set_index(current);

}

/**

* event_check_disk_next:

* @control : Handle to disk control handle.

*

* Perform disk cycle to next index action (Core Disk Options).

**/

static void event_check_disk_next(

const struct retro_disk_control_callback *control)

{

unsigned num_disks = 0;

unsigned current = 0;

bool disk_next_enable = false;

if (!control)

return;

if (!control->get_num_images)

return;

if (!control->get_image_index)

return;

num_disks = control->get_num_images();

current = control->get_image_index();

disk_next_enable = num_disks && num_disks != UINT_MAX;

if (!disk_next_enable)

{

RARCH_ERR("%s.\n", msg_hash_to_str(MSG_GOT_INVALID_DISK_INDEX));

return;

}

if (current < num_disks - 1)

current++;

event_disk_control_set_index(current);

}

/**

* event_set_volume:

* @gain : amount of gain to be applied to current volume level.

*

* Adjusts the current audio volume level.

*

**/

static void event_set_volume(float gain)

{

char msg[PATH_MAX_LENGTH] = {0};

settings_t *settings = config_get_ptr();

settings->audio.volume += gain;

settings->audio.volume = max(settings->audio.volume, -80.0f);

settings->audio.volume = min(settings->audio.volume, 12.0f);

snprintf(msg, sizeof(msg), "Volume: %.1f dB", settings->audio.volume);

rarch_main_msg_queue_push(msg, 1, 180, true);

RARCH_LOG("%s\n", msg);

audio_driver_set_volume_gain(db_to_gain(settings->audio.volume));

}

/**

* event_init_controllers:

*

* Initialize libretro controllers.

**/

static void event_init_controllers(void)

{

unsigned i;

settings_t *settings = config_get_ptr();

rarch_system_info_t *info = rarch_system_info_get_ptr();

for (i = 0; i < MAX_USERS; i++)

{

const char *ident = NULL;

const struct retro_controller_description *desc = NULL;

unsigned device = settings->input.libretro_device[i];

if (i < info->num_ports)

desc = libretro_find_controller_description(

&info->ports[i], device);

if (desc)

ident = desc->desc;

if (!ident)

{

/* If we're trying to connect a completely unknown device,

* revert back to JOYPAD. */

if (device != RETRO_DEVICE_JOYPAD && device != RETRO_DEVICE_NONE)

{

/* Do not fix settings->input.libretro_device[i],

* because any use of dummy core will reset this,

* which is not a good idea. */

RARCH_WARN("Input device ID %u is unknown to this libretro implementation. Using RETRO_DEVICE_JOYPAD.\n", device);

device = RETRO_DEVICE_JOYPAD;

}

ident = "Joypad";

}

switch (device)

{

case RETRO_DEVICE_NONE:

RARCH_LOG("Disconnecting device from port %u.\n", i + 1);

core.retro_set_controller_port_device(i, device);

break;

case RETRO_DEVICE_JOYPAD:

break;

default:

/* Some cores do not properly range check port argument.

* This is broken behavior of course, but avoid breaking

* cores needlessly. */

RARCH_LOG("Connecting %s (ID: %u) to port %u.\n", ident,

device, i + 1);

core.retro_set_controller_port_device(i, device);

break;

}

}

}

static void event_deinit_core(bool reinit)

{

global_t *global = global_get_ptr();

#ifdef HAVE_CHEEVOS

/* Unload the achievements from memory. */

cheevos_unload();

#endif

core.retro_unload_game();

core.retro_deinit();

if (reinit)

event_command(EVENT_CMD_DRIVERS_DEINIT);

/* auto overrides: reload the original config */

if(global->overrides_active)

{

config_unload_override();

global->overrides_active = false;

}

uninit_libretro_sym();

}

static void event_init_cheats(void)

{

bool allow_cheats = true;

driver_t *driver = driver_get_ptr();

global_t *global = global_get_ptr();

(void)driver;

#ifdef HAVE_NETPLAY

allow_cheats &= !driver->netplay_data;

#endif

allow_cheats &= !global->bsv.movie;

if (!allow_cheats)

return;

/* TODO/FIXME - add some stuff here. */

}

static bool event_load_save_files(void)

{

unsigned i;

global_t *global = global_get_ptr();

if (!global)

return false;

if (!global->savefiles || global->sram.load_disable)

return false;

for (i = 0; i < global->savefiles->size; i++)

load_ram_file(global->savefiles->elems[i].data,

global->savefiles->elems[i].attr.i);

return true;

}

static void event_load_auto_state(void)

{

bool ret;

char msg[PATH_MAX_LENGTH] = {0};

char savestate_name_auto[PATH_MAX_LENGTH] = {0};

settings_t *settings = config_get_ptr();

global_t *global = global_get_ptr();

#ifdef HAVE_NETPLAY

if (global->netplay.enable && !global->netplay.is_spectate)

return;

#endif

if (!settings->savestate_auto_load)

return;

fill_pathname_noext(savestate_name_auto, global->name.savestate,

".auto", sizeof(savestate_name_auto));

if (!path_file_exists(savestate_name_auto))

return;

ret = load_state(savestate_name_auto);

RARCH_LOG("Found auto savestate in: %s\n", savestate_name_auto);

snprintf(msg, sizeof(msg), "Auto-loading savestate from \"%s\" %s.",

savestate_name_auto, ret ? "succeeded" : "failed");

rarch_main_msg_queue_push(msg, 1, 180, false);

RARCH_LOG("%s\n", msg);

}

static void event_set_savestate_auto_index(void)

{

size_t i;

char state_dir[PATH_MAX_LENGTH] = {0};

char state_base[PATH_MAX_LENGTH] = {0};

struct string_list *dir_list = NULL;

unsigned max_idx = 0;

settings_t *settings = config_get_ptr();

global_t *global = global_get_ptr();

if (!settings->savestate_auto_index)

return;

/* Find the file in the same directory as global->savestate_name

* with the largest numeral suffix.

*

* E.g. /foo/path/content.state, will try to find

* /foo/path/content.state%d, where %d is the largest number available.

*/

fill_pathname_basedir(state_dir, global->name.savestate,

sizeof(state_dir));

fill_pathname_base(state_base, global->name.savestate,

sizeof(state_base));

if (!(dir_list = dir_list_new_special(state_dir, DIR_LIST_PLAIN)))

return;

for (i = 0; i < dir_list->size; i++)

{

unsigned idx;

char elem_base[PATH_MAX_LENGTH] = {0};

const char *end = NULL;

const char *dir_elem = dir_list->elems[i].data;

fill_pathname_base(elem_base, dir_elem, sizeof(elem_base));

if (strstr(elem_base, state_base) != elem_base)

continue;

end = dir_elem + strlen(dir_elem);

while ((end > dir_elem) && isdigit((int)end[-1]))

end--;

idx = strtoul(end, NULL, 0);

if (idx > max_idx)

max_idx = idx;

}

dir_list_free(dir_list);

settings->state_slot = max_idx;

RARCH_LOG("Found last state slot: #%d\n", settings->state_slot);

}

static bool event_init_content(void)

{

global_t *global = global_get_ptr();

/* No content to be loaded for dummy core,

* just successfully exit. */

if (global->inited.core.type == CORE_TYPE_DUMMY)

return true;

if (!global->inited.core.no_content)

rarch_ctl(RARCH_ACTION_STATE_FILL_PATHNAMES, NULL);

if (!init_content_file())

return false;

if (global->inited.core.no_content)

return true;

event_set_savestate_auto_index();

if (event_load_save_files())

RARCH_LOG("%s.\n",

msg_hash_to_str(MSG_SKIPPING_SRAM_LOAD));

event_load_auto_state();

event_command(EVENT_CMD_BSV_MOVIE_INIT);

event_command(EVENT_CMD_NETPLAY_INIT);

return true;

}

static bool event_init_core(void)

{

global_t *global = global_get_ptr();

driver_t *driver = driver_get_ptr();

settings_t *settings = config_get_ptr();

/* auto overrides: apply overrides */

if(settings->auto_overrides_enable)

{

if (config_load_override())

global->overrides_active = true;

else

global->overrides_active = false;

}

/* reset video format to libretro's default */

video_driver_set_pixel_format(RETRO_PIXEL_FORMAT_0RGB1555);

core.retro_set_environment(rarch_environment_cb);

/* auto-remap: apply remap files */

if(settings->auto_remaps_enable)

config_load_remap();

/* per-core saves: reset redirection paths */

if((settings->sort_savestates_enable || settings->sort_savefiles_enable) && !global->inited.core.no_content)

set_paths_redirect(global->name.base);

rarch_ctl(RARCH_ACTION_STATE_VERIFY_API_VERSION, NULL);

core.retro_init();

global->sram.use = (global->inited.core.type == CORE_TYPE_PLAIN) &&

!global->inited.core.no_content;

if (!event_init_content())

return false;

retro_init_libretro_cbs(&driver->retro_ctx);

rarch_init_system_av_info();

return true;

}

static bool event_save_auto_state(void)

{

bool ret;

char savestate_name_auto[PATH_MAX_LENGTH] = {0};

settings_t *settings = config_get_ptr();

global_t *global = global_get_ptr();

if (!settings->savestate_auto_save ||

(global->inited.core.type == CORE_TYPE_DUMMY) ||

global->inited.core.no_content)

return false;

fill_pathname_noext(savestate_name_auto, global->name.savestate,

".auto", sizeof(savestate_name_auto));

ret = save_state(savestate_name_auto);

RARCH_LOG("Auto save state to \"%s\" %s.\n", savestate_name_auto, ret ?

"succeeded" : "failed");

return true;

}

static void event_init_remapping(void)

{

settings_t *settings = config_get_ptr();

if (!settings->input.remap_binds_enable)

return;

input_remapping_load_file(settings->input.remapping_path);

}

/**

* event_save_core_config:

*

* Saves a new (core) configuration to a file. Filename is based

* on heuristics to avoid typing.

*

* Returns: true (1) on success, otherwise false (0).

**/

static bool event_save_core_config(void)

{

char config_dir[PATH_MAX_LENGTH] = {0};

char config_name[PATH_MAX_LENGTH] = {0};

char config_path[PATH_MAX_LENGTH] = {0};

char msg[PATH_MAX_LENGTH] = {0};

bool ret = false;

bool found_path = false;

bool overrides_active = false;

settings_t *settings = config_get_ptr();

global_t *global = global_get_ptr();

*config_dir = '\0';

if (*settings->menu_config_directory)

strlcpy(config_dir, settings->menu_config_directory,

sizeof(config_dir));

else if (*global->path.config) /* Fallback */

fill_pathname_basedir(config_dir, global->path.config,

sizeof(config_dir));

else

{

rarch_main_msg_queue_push_new(MSG_CONFIG_DIRECTORY_NOT_SET, 1, 180, true);

RARCH_ERR("%s\n", msg_hash_to_str(MSG_CONFIG_DIRECTORY_NOT_SET));

return false;

}

/* Infer file name based on libretro core. */

if (*settings->libretro && path_file_exists(settings->libretro))

{

unsigned i;

/* In case of collision, find an alternative name. */

for (i = 0; i < 16; i++)

{

char tmp[64] = {0};

fill_pathname_base(config_name, settings->libretro,

sizeof(config_name));

path_remove_extension(config_name);

fill_pathname_join(config_path, config_dir, config_name,

sizeof(config_path));

*tmp = '\0';

if (i)

snprintf(tmp, sizeof(tmp), "-%u.cfg", i);

else

strlcpy(tmp, ".cfg", sizeof(tmp));

strlcat(config_path, tmp, sizeof(config_path));

if (!path_file_exists(config_path))

{

found_path = true;

break;

}

}

}

/* Fallback to system time... */

if (!found_path)

{

RARCH_WARN("Cannot infer new config path. Use current time.\n");

fill_dated_filename(config_name, "cfg", sizeof(config_name));

fill_pathname_join(config_path, config_dir, config_name,

sizeof(config_path));

}

/* Overrides block config file saving, make it appear as overrides weren't enabled for a manual save */

if (global->overrides_active)

{

global->overrides_active = false;

overrides_active = true;

}

if ((ret = config_save_file(config_path)))

{

strlcpy(global->path.config, config_path,

sizeof(global->path.config));

snprintf(msg, sizeof(msg), "Saved new config to \"%s\".",

config_path);

RARCH_LOG("%s\n", msg);

}

else

{

snprintf(msg, sizeof(msg), "Failed saving config to \"%s\".",

config_path);

RARCH_ERR("%s\n", msg);

}

rarch_main_msg_queue_push(msg, 1, 180, true);

global->overrides_active = overrides_active;

return ret;

}

/**

* event_save_state

* @path : Path to state.

* @s : Message.

* @len : Size of @s.

*

* Saves a state with path being @path.

**/

static void event_save_state(const char *path,

char *s, size_t len)

{

settings_t *settings = config_get_ptr();

if (!save_state(path))

{

snprintf(s, len, "%s \"%s\".",

msg_hash_to_str(MSG_FAILED_TO_SAVE_STATE_TO),

path);

return;

}

if (settings->state_slot < 0)

snprintf(s, len, "%s #-1 (auto).", msg_hash_to_str(MSG_SAVED_STATE_TO_SLOT));

else

snprintf(s, len, "%s #%d.", msg_hash_to_str(MSG_SAVED_STATE_TO_SLOT),

settings->state_slot);

}

/**

* event_load_state

* @path : Path to state.

* @s : Message.

* @len : Size of @s.

*

* Loads a state with path being @path.

**/

static void event_load_state(const char *path, char *s, size_t len)

{

settings_t *settings = config_get_ptr();

if (!load_state(path))

{

snprintf(s, len, "%s \"%s\".",

msg_hash_to_str(MSG_FAILED_TO_LOAD_STATE),

path);

return;

}

if (settings->state_slot < 0)

snprintf(s, len, "%s #-1 (auto).", msg_hash_to_str(MSG_LOADED_STATE_FROM_SLOT));

else

snprintf(s, len, "%s #%d.", msg_hash_to_str(MSG_LOADED_STATE_FROM_SLOT),

settings->state_slot);

}

static void event_main_state(unsigned cmd)

{

char path[PATH_MAX_LENGTH] = {0};

char msg[PATH_MAX_LENGTH] = {0};

global_t *global = global_get_ptr();

settings_t *settings = config_get_ptr();

if (settings->state_slot > 0)

snprintf(path, sizeof(path), "%s%d",

global->name.savestate, settings->state_slot);

else if (settings->state_slot < 0)

fill_pathname_join_delim(path,

global->name.savestate, "auto", '.', sizeof(path));

else

strlcpy(path, global->name.savestate, sizeof(path));

if (core.retro_serialize_size())

{

switch (cmd)

{

case EVENT_CMD_SAVE_STATE:

event_save_state(path, msg, sizeof(msg));

break;

case EVENT_CMD_LOAD_STATE:

event_load_state(path, msg, sizeof(msg));

break;

}

}

else

strlcpy(msg, msg_hash_to_str(MSG_CORE_DOES_NOT_SUPPORT_SAVESTATES), sizeof(msg));

rarch_main_msg_queue_push(msg, 2, 180, true);

RARCH_LOG("%s\n", msg);

}

static bool event_update_system_info(struct retro_system_info *_info,

bool *load_no_content)

{

settings_t *settings = config_get_ptr();

global_t *global = global_get_ptr();

#if defined(HAVE_DYNAMIC)

if (!(*settings->libretro))

return false;

libretro_get_system_info(settings->libretro, _info,

load_no_content);

#endif

if (!global->core_info.list)

return false;

if (!core_info_list_get_info(global->core_info.list,