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RetroArch/menu/menu_contentless_cores.c

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2011-2022 - Daniel De Matteis
* Copyright (C) 2019-2022 - James Leaver
*
* 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 <stddef.h>
#include <compat/strcasestr.h>
#include <compat/strl.h>
#include <array/rhmap.h>
#include <file/file_path.h>
#include <string/stdstring.h>
#include "menu_driver.h"
#include "menu_displaylist.h"
#include "../retroarch.h"
#include "../core_info.h"
#include "../configuration.h"
#define CONTENTLESS_CORE_ICON_DEFAULT "default.png"
typedef struct
{
uintptr_t **system;
uintptr_t fallback;
} contentless_core_icons_t;
typedef struct
{
contentless_core_info_entry_t **info_entries;
contentless_core_icons_t *icons;
bool icons_enabled;
} contentless_cores_state_t;
static contentless_cores_state_t *contentless_cores_state = NULL;
static void contentless_cores_free_runtime_info(
contentless_core_runtime_info_t *runtime_info)
{
if (!runtime_info)
return;
if (runtime_info->runtime_str)
{
free(runtime_info->runtime_str);
runtime_info->runtime_str = NULL;
}
if (runtime_info->last_played_str)
{
free(runtime_info->last_played_str);
runtime_info->last_played_str = NULL;
}
runtime_info->status = CONTENTLESS_CORE_RUNTIME_UNKNOWN;
}
static void contentless_cores_free_info_entries(
contentless_cores_state_t *state)
{
size_t i, cap;
if (!state || !state->info_entries)
return;
for (i = 0, cap = RHMAP_CAP(state->info_entries); i != cap; i++)
{
if (RHMAP_KEY(state->info_entries, i))
{
contentless_core_info_entry_t *entry = state->info_entries[i];
if (!entry)
continue;
if (entry->licenses_str)
free(entry->licenses_str);
entry->licenses_str = NULL;
contentless_cores_free_runtime_info(&entry->runtime);
free(entry);
}
}
RHMAP_FREE(state->info_entries);
}
static void contentless_cores_init_info_entries(
contentless_cores_state_t *state)
{
core_info_list_t *core_info_list = NULL;
size_t i;
if (!state)
return;
/* Free any existing entries */
contentless_cores_free_info_entries(state);
/* Create an entry for each contentless core */
core_info_get_list(&core_info_list);
if (!core_info_list)
return;
for (i = 0; i < core_info_list->count; i++)
{
core_info_t *core_info = core_info_get(core_info_list, i);
if (core_info &&
core_info->supports_no_game)
{
contentless_core_info_entry_t *entry =
(contentless_core_info_entry_t*)malloc(sizeof(*entry));
char licenses_str[MENU_SUBLABEL_MAX_LENGTH];
licenses_str[0] = '\0';
/* Populate licences string */
if (core_info->licenses_list)
{
char tmp_str[MENU_SUBLABEL_MAX_LENGTH];
tmp_str[0] = '\0';
string_list_join_concat(tmp_str, sizeof(tmp_str),
core_info->licenses_list, ", ");
snprintf(licenses_str, sizeof(licenses_str), "%s: %s",
msg_hash_to_str(MENU_ENUM_LABEL_VALUE_CORE_INFO_LICENSES),
tmp_str);
}
/* No license found - set to N/A */
else
snprintf(licenses_str, sizeof(licenses_str), "%s: %s",
msg_hash_to_str(MENU_ENUM_LABEL_VALUE_CORE_INFO_LICENSES),
msg_hash_to_str(MENU_ENUM_LABEL_VALUE_NOT_AVAILABLE));
entry->licenses_str = strdup(licenses_str);
/* Initialise runtime info */
entry->runtime.runtime_str = NULL;
entry->runtime.last_played_str = NULL;
entry->runtime.status = CONTENTLESS_CORE_RUNTIME_UNKNOWN;
/* Add entry to hash map */
RHMAP_SET_STR(state->info_entries, core_info->core_file_id.str, entry);
}
}
}
void menu_contentless_cores_set_runtime(const char *core_id,
const contentless_core_runtime_info_t *runtime_info)
{
contentless_core_info_entry_t *info_entry = NULL;
if (!contentless_cores_state ||
!contentless_cores_state->info_entries ||
!runtime_info ||
string_is_empty(core_id))
return;
info_entry = RHMAP_GET_STR(contentless_cores_state->info_entries, core_id);
if (!info_entry)
return;
if (!string_is_empty(runtime_info->runtime_str))
{
if (info_entry->runtime.runtime_str)
free(info_entry->runtime.runtime_str);
info_entry->runtime.runtime_str = strdup(runtime_info->runtime_str);
}
if (!string_is_empty(runtime_info->last_played_str))
{
if (info_entry->runtime.last_played_str)
free(info_entry->runtime.last_played_str);
info_entry->runtime.last_played_str = strdup(runtime_info->last_played_str);
}
info_entry->runtime.status = runtime_info->status;
}
void menu_contentless_cores_get_info(const char *core_id,
const contentless_core_info_entry_t **info)
{
if (!info)
return;
if (!contentless_cores_state ||
!contentless_cores_state->info_entries ||
string_is_empty(core_id))
*info = NULL;
*info = RHMAP_GET_STR(contentless_cores_state->info_entries, core_id);
}
void menu_contentless_cores_flush_runtime(void)
{
contentless_cores_state_t *state = contentless_cores_state;
size_t i, cap;
if (!state || !state->info_entries)
return;
for (i = 0, cap = RHMAP_CAP(state->info_entries); i != cap; i++)
{
if (RHMAP_KEY(state->info_entries, i))
{
contentless_core_info_entry_t *entry = state->info_entries[i];
if (!entry)
continue;
contentless_cores_free_runtime_info(&entry->runtime);
}
}
}
static void contentless_cores_unload_icons(contentless_cores_state_t *state)
{
size_t i, cap;
if (!state || !state->icons)
return;
if (state->icons->fallback)
video_driver_texture_unload(&state->icons->fallback);
for (i = 0, cap = RHMAP_CAP(state->icons->system); i != cap; i++)
{
if (RHMAP_KEY(state->icons->system, i))
{
uintptr_t *icon = state->icons->system[i];
if (!icon)
continue;
video_driver_texture_unload(icon);
free(icon);
}
}
RHMAP_FREE(state->icons->system);
free(state->icons);
state->icons = NULL;
}
static void contentless_cores_load_icons(contentless_cores_state_t *state)
{
bool rgba_supported = video_driver_supports_rgba();
core_info_list_t *core_info_list = NULL;
char icon_directory[PATH_MAX_LENGTH];
char icon_path[PATH_MAX_LENGTH];
size_t i;
icon_directory[0] = '\0';
icon_path[0] = '\0';
if (!state)
return;
/* Unload any existing icons */
contentless_cores_unload_icons(state);
if (!state->icons_enabled)
return;
/* Create new icon container */
state->icons = (contentless_core_icons_t*)calloc(
1, sizeof(*state->icons));
/* Get icon directory */
fill_pathname_application_special(icon_directory,
sizeof(icon_directory),
APPLICATION_SPECIAL_DIRECTORY_ASSETS_SYSICONS);
if (string_is_empty(icon_directory))
return;
/* Load fallback icon */
fill_pathname_join(icon_path, icon_directory,
CONTENTLESS_CORE_ICON_DEFAULT, sizeof(icon_path));
if (path_is_valid(icon_path))
{
struct texture_image ti = {0};
ti.supports_rgba = rgba_supported;
if (image_texture_load(&ti, icon_path))
{
if (ti.pixels)
video_driver_texture_load(&ti,
TEXTURE_FILTER_MIPMAP_LINEAR,
&state->icons->fallback);
image_texture_free(&ti);
}
}
/* Get icons for all contentless cores */
core_info_get_list(&core_info_list);
if (!core_info_list)
return;
for (i = 0; i < core_info_list->count; i++)
{
core_info_t *core_info = core_info_get(core_info_list, i);
/* Icon name is the first entry in the core
* info database list */
if (core_info &&
core_info->supports_no_game &&
core_info->databases_list &&
(core_info->databases_list->size > 0))
{
const char *icon_name =
core_info->databases_list->elems[0].data;
struct texture_image ti = {0};
ti.supports_rgba = rgba_supported;
fill_pathname_join(icon_path, icon_directory,
icon_name, sizeof(icon_path));
strlcat(icon_path, ".png", sizeof(icon_path));
if (!path_is_valid(icon_path))
continue;
if (image_texture_load(&ti, icon_path))
{
if (ti.pixels)
{
uintptr_t *icon = (uintptr_t*)calloc(1, sizeof(*icon));
video_driver_texture_load(&ti,
TEXTURE_FILTER_MIPMAP_LINEAR,
icon);
/* Add icon to hash map */
RHMAP_SET_STR(state->icons->system, core_info->core_file_id.str, icon);
}
image_texture_free(&ti);
}
}
}
}
uintptr_t menu_contentless_cores_get_entry_icon(const char *core_id)
{
contentless_cores_state_t *state = contentless_cores_state;
uintptr_t *icon = NULL;
if (!state ||
!state->icons_enabled ||
!state->icons ||
string_is_empty(core_id))
return 0;
icon = RHMAP_GET_STR(state->icons->system, core_id);
if (icon)
return *icon;
return state->icons->fallback;
}
void menu_contentless_cores_context_init(void)
{
if (!contentless_cores_state)
return;
contentless_cores_load_icons(contentless_cores_state);
}
void menu_contentless_cores_context_deinit(void)
{
if (!contentless_cores_state)
return;
contentless_cores_unload_icons(contentless_cores_state);
}
void menu_contentless_cores_free(void)
{
if (!contentless_cores_state)
return;
contentless_cores_free_info_entries(contentless_cores_state);
contentless_cores_unload_icons(contentless_cores_state);
free(contentless_cores_state);
contentless_cores_state = NULL;
}
unsigned menu_displaylist_contentless_cores(file_list_t *list, settings_t *settings)
{
unsigned count = 0;
enum menu_contentless_cores_display_type
core_display_type = (enum menu_contentless_cores_display_type)
settings->uints.menu_content_show_contentless_cores;
core_info_list_t *core_info_list = NULL;
/* Get core list */
core_info_get_list(&core_info_list);
if (core_info_list)
{
size_t menu_index = 0;
size_t i;
/* Sort cores alphabetically */
core_info_qsort(core_info_list, CORE_INFO_LIST_SORT_DISPLAY_NAME);
/* Loop through cores */
for (i = 0; i < core_info_list->count; i++)
{
core_info_t *core_info = core_info_get(core_info_list, i);
bool core_valid = false;
if (core_info)
{
switch (core_display_type)
{
case MENU_CONTENTLESS_CORES_DISPLAY_ALL:
core_valid = core_info->supports_no_game;
break;
case MENU_CONTENTLESS_CORES_DISPLAY_SINGLE_PURPOSE:
core_valid = core_info->supports_no_game &&
core_info->single_purpose;
break;
case MENU_CONTENTLESS_CORES_DISPLAY_CUSTOM:
core_valid = core_info->supports_no_game &&
!core_info->is_standalone_exempt;
break;
default:
break;
}
if (core_valid &&
menu_entries_append_enum(list,
core_info->path,
core_info->core_file_id.str,
MENU_ENUM_LABEL_CONTENTLESS_CORE,
MENU_SETTING_ACTION_CONTENTLESS_CORE_RUN,
0, 0))
{
file_list_set_alt_at_offset(
list, menu_index, core_info->display_name);
menu_index++;
count++;
}
}
}
}
/* Initialise global state, if required */
if (!contentless_cores_state && (count > 0))
{
contentless_cores_state = (contentless_cores_state_t*)calloc(1,
sizeof(*contentless_cores_state));
/* Disable icons when using menu drivers without
* icon support */
contentless_cores_state->icons_enabled =
!string_is_equal(menu_driver_ident(), "rgui");
contentless_cores_init_info_entries(contentless_cores_state);
contentless_cores_load_icons(contentless_cores_state);
}
if ((count == 0) &&
menu_entries_append_enum(list,
msg_hash_to_str(MENU_ENUM_LABEL_VALUE_NO_CORES_AVAILABLE),
msg_hash_to_str(MENU_ENUM_LABEL_NO_CORES_AVAILABLE),
MENU_ENUM_LABEL_NO_CORES_AVAILABLE,
0, 0, 0))
count++;
return count;
}
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