RetroArch/menu/menu.c
2015-05-15 22:06:42 +02:00

339 lines
8.6 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* 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 "menu.h"
#include "menu_display.h"
#include "menu_entry.h"
#include "menu_shader.h"
#include "../dynamic.h"
#include "../frontend/frontend.h"
#include "../../retroarch.h"
#include "../../performance.h"
#include <file/file_path.h>
static void menu_environment_get(int *argc, char *argv[],
void *args, void *params_data)
{
struct rarch_main_wrap *wrap_args = (struct rarch_main_wrap*)params_data;
global_t *global = global_get_ptr();
settings_t *settings = config_get_ptr();
menu_handle_t *menu = menu_driver_get_ptr();
if (!wrap_args)
return;
wrap_args->no_content = menu->load_no_content;
if (!global->has_set_verbosity)
wrap_args->verbose = global->verbosity;
wrap_args->config_path = *global->config_path ? global->config_path : NULL;
wrap_args->sram_path = *global->savefile_dir ? global->savefile_dir : NULL;
wrap_args->state_path = *global->savestate_dir ? global->savestate_dir : NULL;
wrap_args->content_path = *global->fullpath ? global->fullpath : NULL;
if (!global->has_set_libretro)
wrap_args->libretro_path = *settings->libretro ? settings->libretro : NULL;
wrap_args->touched = true;
}
static void push_to_history_playlist(void)
{
settings_t *settings = config_get_ptr();
global_t *global = global_get_ptr();
if (!settings->history_list_enable)
return;
if (*global->fullpath)
{
char tmp[PATH_MAX_LENGTH];
char str[PATH_MAX_LENGTH];
fill_pathname_base(tmp, global->fullpath, sizeof(tmp));
snprintf(str, sizeof(str), "INFO - Loading %s ...", tmp);
rarch_main_msg_queue_push(str, 1, 1, false);
}
content_playlist_push(g_defaults.history,
global->fullpath,
settings->libretro,
global->menu.info.library_name);
}
/**
* menu_load_content:
*
* Loads content into currently selected core.
* Will also optionally push the content entry to the history playlist.
*
* Returns: true (1) if successful, otherwise false (0).
**/
bool menu_load_content(void)
{
menu_handle_t *menu = menu_driver_get_ptr();
driver_t *driver = driver_get_ptr();
global_t *global = global_get_ptr();
/* redraw menu frame */
if (menu)
menu->msg_force = true;
menu_entry_iterate(MENU_ACTION_NOOP);
menu_display_fb();
if (!(main_load_content(0, NULL, NULL, menu_environment_get,
driver->frontend_ctx->process_args)))
{
char name[PATH_MAX_LENGTH], msg[PATH_MAX_LENGTH];
fill_pathname_base(name, global->fullpath, sizeof(name));
snprintf(msg, sizeof(msg), "Failed to load %s.\n", name);
rarch_main_msg_queue_push(msg, 1, 90, false);
if (menu)
menu->msg_force = true;
return false;
}
menu_shader_manager_init(menu);
event_command(EVENT_CMD_HISTORY_INIT);
if (*global->fullpath || (menu && menu->load_no_content))
push_to_history_playlist();
event_command(EVENT_CMD_VIDEO_SET_ASPECT_RATIO);
event_command(EVENT_CMD_RESUME);
return true;
}
/**
* menu_init:
* @data : Menu context handle.
*
* Create and initialize menu handle.
*
* Returns: menu handle on success, otherwise NULL.
**/
void *menu_init(const void *data)
{
menu_handle_t *menu = NULL;
menu_ctx_driver_t *menu_ctx = (menu_ctx_driver_t*)data;
global_t *global = global_get_ptr();
settings_t *settings = config_get_ptr();
if (!menu_ctx)
return NULL;
if (!(menu = (menu_handle_t*)menu_ctx->init()))
return NULL;
strlcpy(settings->menu.driver, menu_ctx->ident,
sizeof(settings->menu.driver));
if (!(menu->menu_list = (menu_list_t*)menu_list_new()))
goto error;
global->core_info_current = (core_info_t*)calloc(1, sizeof(core_info_t));
if (!global->core_info_current)
goto error;
#ifdef HAVE_SHADER_MANAGER
menu->shader = (struct video_shader*)calloc(1, sizeof(struct video_shader));
if (!menu->shader)
goto error;
#endif
menu->push_start_screen = settings->menu_show_start_screen;
settings->menu_show_start_screen = false;
menu_shader_manager_init(menu);
if (!menu_display_init(menu))
goto error;
rarch_assert(menu->msg_queue = msg_queue_new(8));
menu->framebuf.dirty = true;
return menu;
error:
if (menu->menu_list)
menu_list_free(menu->menu_list);
menu->menu_list = NULL;
if (global->core_info_current)
free(global->core_info_current);
global->core_info_current = NULL;
if (menu->shader)
free(menu->shader);
menu->shader = NULL;
if (menu)
free(menu);
return NULL;
}
/**
* menu_free_list:
* @menu : Menu handle.
*
* Frees menu lists.
**/
static void menu_free_list(menu_handle_t *menu)
{
if (!menu)
return;
settings_list_free(menu->list_settings);
menu->list_settings = NULL;
}
/**
* menu_free:
* @menu : Menu handle.
*
* Frees a menu handle
**/
void menu_free(menu_handle_t *menu)
{
global_t *global = global_get_ptr();
if (!menu)
return;
menu_free_list(menu);
#ifdef HAVE_SHADER_MANAGER
if (menu->shader)
free(menu->shader);
menu->shader = NULL;
#endif
menu_driver_free(menu);
#ifdef HAVE_LIBRETRODB
menu_database_free(menu);
#endif
#ifdef HAVE_DYNAMIC
libretro_free_system_info(&global->menu.info);
#endif
if (menu->msg_queue)
msg_queue_free(menu->msg_queue);
menu->msg_queue = NULL;
menu_display_free(menu);
if (menu->frame_buf.data)
free(menu->frame_buf.data);
menu->frame_buf.data = NULL;
menu_list_free(menu->menu_list);
menu->menu_list = NULL;
event_command(EVENT_CMD_HISTORY_DEINIT);
if (global->core_info)
core_info_list_free(global->core_info);
if (global->core_info_current)
free(global->core_info_current);
free(menu);
}
/**
* menu_iterate:
* @input : input sample for this frame
* @old_input : input sample of the previous frame
* @trigger_input : difference' input sample - difference
* between 'input' and 'old_input'
*
* Runs RetroArch menu for one frame.
*
* Returns: 0 on success, -1 if we need to quit out of the loop.
**/
int menu_iterate(retro_input_t input,
retro_input_t old_input, retro_input_t trigger_input)
{
static retro_time_t last_clock_update = 0;
int32_t ret = 0;
unsigned action = 0;
runloop_t *runloop = rarch_main_get_ptr();
menu_handle_t *menu = menu_driver_get_ptr();
settings_t *settings = config_get_ptr();
menu->input.joypad = menu_input_frame(input, trigger_input);
menu->cur_time = rarch_get_time_usec();
menu->dt = menu->cur_time - menu->old_time;
if (menu->dt >= IDEAL_DT * 4)
menu->dt = IDEAL_DT * 4;
if (menu->dt <= IDEAL_DT / 4)
menu->dt = IDEAL_DT / 4;
menu->old_time = menu->cur_time;
if (menu->cur_time - last_clock_update > 1000000 && settings->menu.timedate_enable)
{
menu->label.is_updated = true;
last_clock_update = menu->cur_time;
}
action = menu->input.joypad;
if (menu_needs_refresh() && !menu->nonblocking_refresh && action != MENU_ACTION_MESSAGE)
action = MENU_ACTION_REFRESH;
ret = menu_entry_iterate(action);
if (runloop->is_menu && !runloop->is_idle)
menu_display_fb();
menu_driver_set_texture();
if (ret)
return -1;
return 0;
}
bool menu_needs_refresh(void)
{
menu_handle_t *menu = menu_driver_get_ptr();
if (!menu)
return false;
return menu->need_refresh;
}
void menu_set_refresh(void)
{
menu_handle_t *menu = menu_driver_get_ptr();
if (!menu)
return;
menu->need_refresh = true;
}
void menu_unset_refresh(void)
{
menu_handle_t *menu = menu_driver_get_ptr();
if (!menu)
return;
menu->need_refresh = false;
}