RetroArch/frontend/drivers/platform_emscripten.c
2020-08-22 01:06:10 +02:00

207 lines
8.0 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2017 - Daniel De Matteis
* Copyright (C) 2012-2015 - Michael Lelli
*
* 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 <emscripten/emscripten.h>
#include <emscripten/html5.h>
#include <string.h>
#include <file/config_file.h>
#include <queues/task_queue.h>
#include <file/file_path.h>
#include <string/stdstring.h>
#include <retro_timers.h>
#include <gfx/video_frame.h>
#include <glsym/glsym.h>
#ifdef HAVE_CONFIG_H
#include "../../config.h"
#endif
#ifndef IS_SALAMANDER
#include <lists/file_list.h>
#endif
#include "../frontend.h"
#include "../frontend_driver.h"
#include "../../configuration.h"
#include "../../defaults.h"
#include "../../content.h"
#include "../../retroarch.h"
#include "../../verbosity.h"
#include "../../command.h"
#include "../../tasks/tasks_internal.h"
#include "../../file_path_special.h"
void dummyErrnoCodes(void);
void emscripten_mainloop(void);
void cmd_savefiles(void)
{
command_event(CMD_EVENT_SAVE_FILES, NULL);
}
void cmd_save_state(void)
{
command_event(CMD_EVENT_SAVE_STATE, NULL);
}
void cmd_load_state(void)
{
command_event(CMD_EVENT_LOAD_STATE, NULL);
}
void cmd_take_screenshot(void)
{
command_event(CMD_EVENT_TAKE_SCREENSHOT, NULL);
}
static void frontend_emscripten_get_env(int *argc, char *argv[],
void *args, void *params_data)
{
(void)args;
unsigned i;
char base_path[PATH_MAX] = {0};
char user_path[PATH_MAX] = {0};
const char *home = getenv("HOME");
if (home)
{
snprintf(base_path, sizeof(base_path),
"%s/retroarch", home);
snprintf(user_path, sizeof(user_path),
"%s/retroarch/userdata", home);
}
else
{
snprintf(base_path, sizeof(base_path), "retroarch");
snprintf(user_path, sizeof(user_path), "retroarch/userdata");
}
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_CORE], base_path,
"cores", sizeof(g_defaults.dirs[DEFAULT_DIR_CORE]));
/* bundle data */
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_ASSETS], base_path,
"bundle/assets", sizeof(g_defaults.dirs[DEFAULT_DIR_ASSETS]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_AUTOCONFIG], base_path,
"bundle/autoconfig", sizeof(g_defaults.dirs[DEFAULT_DIR_AUTOCONFIG]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_CURSOR], base_path,
"bundle/database/cursors", sizeof(g_defaults.dirs[DEFAULT_DIR_CURSOR]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_DATABASE], base_path,
"bundle/database/rdb", sizeof(g_defaults.dirs[DEFAULT_DIR_DATABASE]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_CORE_INFO], base_path,
"bundle/info", sizeof(g_defaults.dirs[DEFAULT_DIR_CORE_INFO]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_OVERLAY], base_path,
"bundle/overlays", sizeof(g_defaults.dirs[DEFAULT_DIR_OVERLAY]));
#ifdef HAVE_VIDEO_LAYOUT
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_VIDEO_LAYOUT], base_path,
"bundle/layouts", sizeof(g_defaults.dirs[DEFAULT_DIR_VIDEO_LAYOUT]));
#endif
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_SHADER], base_path,
"bundle/shaders", sizeof(g_defaults.dirs[DEFAULT_DIR_SHADER]));
/* user data dirs */
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_CHEATS], user_path,
"cheats", sizeof(g_defaults.dirs[DEFAULT_DIR_CHEATS]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_MENU_CONFIG], user_path,
"config", sizeof(g_defaults.dirs[DEFAULT_DIR_MENU_CONFIG]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_MENU_CONTENT], user_path,
"content", sizeof(g_defaults.dirs[DEFAULT_DIR_MENU_CONTENT]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_CORE_ASSETS], user_path,
"content/downloads", sizeof(g_defaults.dirs[DEFAULT_DIR_CORE_ASSETS]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_PLAYLIST], user_path,
"playlists", sizeof(g_defaults.dirs[DEFAULT_DIR_PLAYLIST]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_REMAP], g_defaults.dirs[DEFAULT_DIR_MENU_CONFIG],
"remaps", sizeof(g_defaults.dirs[DEFAULT_DIR_REMAP]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_SRAM], user_path,
"saves", sizeof(g_defaults.dirs[DEFAULT_DIR_SRAM]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_SCREENSHOT], user_path,
"screenshots", sizeof(g_defaults.dirs[DEFAULT_DIR_SCREENSHOT]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_SAVESTATE], user_path,
"states", sizeof(g_defaults.dirs[DEFAULT_DIR_SAVESTATE]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_SYSTEM], user_path,
"system", sizeof(g_defaults.dirs[DEFAULT_DIR_SYSTEM]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_THUMBNAILS], user_path,
"thumbnails", sizeof(g_defaults.dirs[DEFAULT_DIR_THUMBNAILS]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_LOGS], user_path,
"logs", sizeof(g_defaults.dirs[DEFAULT_DIR_LOGS]));
/* cache dir */
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_CACHE], "/tmp/",
"retroarch", sizeof(g_defaults.dirs[DEFAULT_DIR_CACHE]));
/* history and main config */
strlcpy(g_defaults.dirs[DEFAULT_DIR_CONTENT_HISTORY],
user_path, sizeof(g_defaults.dirs[DEFAULT_DIR_CONTENT_HISTORY]));
fill_pathname_join(g_defaults.path_config, user_path,
FILE_PATH_MAIN_CONFIG, sizeof(g_defaults.path_config));
for (i = 0; i < DEFAULT_DIR_LAST; i++)
{
const char *dir_path = g_defaults.dirs[i];
if (!string_is_empty(dir_path))
path_mkdir(dir_path);
}
}
int main(int argc, char *argv[])
{
dummyErrnoCodes();
emscripten_set_canvas_element_size("#canvas", 800, 600);
emscripten_set_element_css_size("#canvas", 800.0, 600.0);
emscripten_set_main_loop(emscripten_mainloop, 0, 0);
rarch_main(argc, argv, NULL);
return 0;
}
frontend_ctx_driver_t frontend_ctx_emscripten = {
frontend_emscripten_get_env, /* environment_get */
NULL, /* init */
NULL, /* deinit */
NULL, /* exitspawn */
NULL, /* process_args */
NULL, /* exec */
NULL, /* set_fork */
NULL, /* shutdown */
NULL, /* get_name */
NULL, /* get_os */
NULL, /* get_rating */
NULL, /* load_content */
NULL, /* get_architecture */
NULL, /* get_powerstate */
NULL, /* parse_drive_list */
NULL, /* get_mem_total */
NULL, /* get_mem_used */
NULL, /* install_sighandlers */
NULL, /* get_signal_handler_state */
NULL, /* set_signal_handler_state */
NULL, /* destroy_signal_handler_state */
NULL, /* attach_console */
NULL, /* detach_console */
NULL, /* watch_path_for_changes */
NULL, /* check_for_path_changes */
NULL, /* set_sustained_performance_mode */
NULL, /* get_cpu_model_name */
NULL, /* get_user_language */
NULL, /* is_narrator_running */
NULL, /* accessibility_speak */
"emscripten"
};