/**
* rarch_main_iterate:
*
* Run Libretro core in RetroArch for one frame.
*
* Returns: 0 on success, 1 if we have to wait until button input in order
* to wake up the loop, -1 if we forcibly quit out of the RetroArch iteration loop.
**/
int rarch_main_iterate(void)
{
unsigned i;
retro_input_t trigger_input, old_input;
event_cmd_state_t cmd = {0};
int ret = 0;
static retro_input_t last_input = 0;
driver_t *driver = driver_get_ptr();
settings_t *settings = config_get_ptr();
global_t *global = global_get_ptr();
runloop_t *runloop = rarch_main_get_ptr();
retro_input_t input = input_keys_pressed(driver, settings, global);
rarch_system_info_t *system = rarch_system_info_get_ptr();
old_input = last_input;
last_input = input;
if (driver->flushing_input)
driver->flushing_input = (input) ? input_flush(runloop, &input) : false;
trigger_input = input & ~old_input;
rarch_main_cmd_get_state(&cmd, input, old_input, trigger_input);
if (time_to_exit(driver, global, runloop, &cmd))
return rarch_main_iterate_quit(settings, global);
if (system->frame_time.callback)
rarch_update_frame_time(driver, settings, runloop);
do_pre_state_checks(settings, global, runloop, &cmd);
#ifdef HAVE_OVERLAY
rarch_main_iterate_linefeed_overlay(driver, settings);
#endif
#ifdef HAVE_MENU
if (menu_driver_alive())
{
menu_handle_t *menu = menu_driver_get_ptr();
if (menu)
if (menu_iterate(input, old_input, trigger_input) == -1)
rarch_main_set_state(RARCH_ACTION_STATE_MENU_RUNNING_FINISHED);
if (!input && settings->menu.pause_libretro)
ret = 1;
goto success;
}
#endif
if (global->exec)
{
global->exec = false;
return rarch_main_iterate_quit(settings, global);
}
if (do_state_checks(driver, settings, global, runloop, &cmd))
{
/* RetroArch has been paused */
driver->retro_ctx.poll_cb();
rarch_sleep(10);
return 1;
}
#if defined(HAVE_THREADS)
lock_autosave();
#endif
#ifdef HAVE_NETPLAY
if (driver->netplay_data)
netplay_pre_frame((netplay_t*)driver->netplay_data);
#endif
if (global->bsv.movie)
bsv_movie_set_frame_start(global->bsv.movie);
if (system->camera_callback.caps)
driver_camera_poll();
/* Update binds for analog dpad modes. */
for (i = 0; i < settings->input.max_users; i++)
{
if (!settings->input.analog_dpad_mode[i])
continue;
input_push_analog_dpad(settings->input.binds[i],
settings->input.analog_dpad_mode[i]);
input_push_analog_dpad(settings->input.autoconf_binds[i],
settings->input.analog_dpad_mode[i]);
}
if ((settings->video.frame_delay > 0) && !driver->nonblock_state)
rarch_sleep(settings->video.frame_delay);
/* Run libretro for one frame. */
pretro_run();
for (i = 0; i < settings->input.max_users; i++)
{
if (!settings->input.analog_dpad_mode[i])
continue;
input_pop_analog_dpad(settings->input.binds[i]);
input_pop_analog_dpad(settings->input.autoconf_binds[i]);
}
if (global->bsv.movie)
bsv_movie_set_frame_end(global->bsv.movie);
#ifdef HAVE_NETPLAY
if (driver->netplay_data)
netplay_post_frame((netplay_t*)driver->netplay_data);
#endif
#if defined(HAVE_THREADS)
unlock_autosave();
#endif
success:
if (settings->fastforward_ratio_throttle_enable)
rarch_limit_frame_time(settings, runloop);
return ret;
}
/**
* rarch_main_iterate:
*
* Run Libretro core in RetroArch for one frame.
*
* Returns: 0 on success, 1 if we have to wait until button input in order
* to wake up the loop, -1 if we forcibly quit out of the RetroArch iteration loop.
**/
int rarch_main_iterate(void)
{
unsigned i;
retro_input_t trigger_input;
int ret = 0;
static retro_input_t last_input = 0;
retro_input_t old_input = last_input;
retro_input_t input = input_keys_pressed();
last_input = input;
if (driver.flushing_input)
driver.flushing_input = (input) ? input_flush(&input) : false;
trigger_input = input & ~old_input;
if (time_to_exit(input))
return rarch_main_iterate_quit();
if (g_extern.system.frame_time.callback)
update_frame_time();
do_pre_state_checks(input, old_input, trigger_input);
#ifdef HAVE_OVERLAY
rarch_main_iterate_linefeed_overlay();
if (driver.overlay)
rarch_main_iterate_overlay_state();
#endif
do_data_state_checks();
#ifdef HAVE_MENU
if (g_extern.is_menu)
{
menu_handle_t *menu = menu_driver_resolve();
if (menu)
if (menu_iterate(input, old_input, trigger_input) == -1)
rarch_main_set_state(RARCH_ACTION_STATE_MENU_RUNNING_FINISHED);
if (!input && g_settings.menu.pause_libretro)
ret = 1;
goto success;
}
#endif
if (g_extern.exec)
{
g_extern.exec = false;
return rarch_main_iterate_quit();
}
if (do_state_checks(input, old_input, trigger_input))
{
/* RetroArch has been paused */
driver.retro_ctx.poll_cb();
rarch_sleep(10);
return 1;
}
#if defined(HAVE_THREADS)
lock_autosave();
#endif
#ifdef HAVE_NETPLAY
if (driver.netplay_data)
netplay_pre_frame((netplay_t*)driver.netplay_data);
#endif
if (g_extern.bsv.movie)
bsv_movie_set_frame_start(g_extern.bsv.movie);
if (g_extern.system.camera_callback.caps)
driver_camera_poll();
/* Update binds for analog dpad modes. */
for (i = 0; i < g_settings.input.max_users; i++)
{
if (!g_settings.input.analog_dpad_mode[i])
continue;
input_push_analog_dpad(g_settings.input.binds[i],
g_settings.input.analog_dpad_mode[i]);
input_push_analog_dpad(g_settings.input.autoconf_binds[i],
g_settings.input.analog_dpad_mode[i]);
}
if ((g_settings.video.frame_delay > 0) && !driver.nonblock_state)
rarch_sleep(g_settings.video.frame_delay);
/* Run libretro for one frame. */
pretro_run();
for (i = 0; i < g_settings.input.max_users; i++)
{
if (!g_settings.input.analog_dpad_mode[i])
continue;
input_pop_analog_dpad(g_settings.input.binds[i]);
input_pop_analog_dpad(g_settings.input.autoconf_binds[i]);
}
if (g_extern.bsv.movie)
bsv_movie_set_frame_end(g_extern.bsv.movie);
#ifdef HAVE_NETPLAY
if (driver.netplay_data)
netplay_post_frame((netplay_t*)driver.netplay_data);
#endif
#if defined(HAVE_THREADS)
unlock_autosave();
#endif
success:
if (g_settings.fastforward_ratio_throttle_enable)
limit_frame_time();
return ret;
}
