RetroArch/runloop.c

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2015 - Daniel De Matteis
* Copyright (C) 2012-2015 - Michael Lelli
* Copyright (C) 2014-2015 - Jay McCarthy
*
* 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/>.
*/
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#include <file/file_path.h>
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#include <retro_inline.h>
#include <retro_log.h>
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#include <compat/strl.h>
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#include "configuration.h"
#include "dynamic.h"
#include "performance.h"
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#include "retroarch.h"
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#include "runloop.h"
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#include "runloop_data.h"
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#include "msg_hash.h"
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#include "input/keyboard_line.h"
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#include "input/input_common.h"
#ifdef HAVE_MENU
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#include "menu/menu.h"
#endif
#ifdef HAVE_NETPLAY
#include "netplay.h"
#endif
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static struct global g_extern;
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static bool main_is_idle;
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static bool main_is_paused;
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static bool main_is_slowmotion;
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static unsigned main_max_frames;
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static retro_time_t frame_limit_last_time;
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/**
* check_pause:
* @pressed : was libretro pause key pressed?
* @frameadvance_pressed : was frameadvance key pressed?
*
* Check if libretro pause key was pressed. If so, pause or
* unpause the libretro core.
*
* Returns: true if libretro pause key was toggled, otherwise false.
**/
static bool check_pause(driver_t *driver, settings_t *settings,
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bool pause_pressed, bool frameadvance_pressed)
{
static bool old_focus = true;
bool focus = true;
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enum event_command cmd = EVENT_CMD_NONE;
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bool old_is_paused = main_is_paused;
const video_driver_t *video = driver ? (const video_driver_t*)driver->video :
NULL;
/* FRAMEADVANCE will set us into pause mode. */
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pause_pressed |= !main_is_paused && frameadvance_pressed;
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if (settings->pause_nonactive)
focus = video->focus(driver->video_data);
if (focus && pause_pressed)
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cmd = EVENT_CMD_PAUSE_TOGGLE;
else if (focus && !old_focus)
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cmd = EVENT_CMD_UNPAUSE;
else if (!focus && old_focus)
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cmd = EVENT_CMD_PAUSE;
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old_focus = focus;
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if (cmd != EVENT_CMD_NONE)
event_command(cmd);
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if (main_is_paused == old_is_paused)
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return false;
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return true;
}
/**
* check_fast_forward_button:
* @fastforward_pressed : is fastforward key pressed?
* @hold_pressed : is fastforward key pressed and held?
* @old_hold_pressed : was fastforward key pressed and held the last frame?
*
* Checks if the fast forward key has been pressed for this frame.
*
**/
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static void check_fast_forward_button(driver_t *driver,
bool fastforward_pressed,
bool hold_pressed, bool old_hold_pressed)
{
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/* To avoid continous switching if we hold the button down, we require
* that the button must go from pressed to unpressed back to pressed
* to be able to toggle between then.
*/
if (fastforward_pressed)
driver->nonblock_state = !driver->nonblock_state;
else if (old_hold_pressed != hold_pressed)
driver->nonblock_state = hold_pressed;
else
return;
driver_set_nonblock_state(driver->nonblock_state);
}
/**
* check_stateslots:
* @pressed_increase : is state slot increase key pressed?
* @pressed_decrease : is state slot decrease key pressed?
*
* Checks if the state increase/decrease keys have been pressed
* for this frame.
**/
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static void check_stateslots(settings_t *settings,
bool pressed_increase, bool pressed_decrease)
{
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char msg[PATH_MAX_LENGTH] = {0};
/* Save state slots */
if (pressed_increase)
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settings->state_slot++;
else if (pressed_decrease)
{
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if (settings->state_slot > 0)
settings->state_slot--;
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}
else
return;
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snprintf(msg, sizeof(msg), "%s: %d",
msg_hash_to_str(MSG_STATE_SLOT),
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settings->state_slot);
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rarch_main_msg_queue_push(msg, 1, 180, true);
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RARCH_LOG("%s\n", msg);
}
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/**
* check_rewind:
* @pressed : was rewind key pressed or held?
*
* Checks if rewind toggle/hold was being pressed and/or held.
**/
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static void check_rewind(settings_t *settings,
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global_t *global, bool pressed)
{
static bool first = true;
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if (global->rewind.frame_is_reverse)
{
audio_driver_frame_is_reverse();
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global->rewind.frame_is_reverse = false;
}
if (first)
{
first = false;
return;
}
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if (!global->rewind.state)
return;
if (pressed)
{
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const void *buf = NULL;
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if (state_manager_pop(global->rewind.state, &buf))
{
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global->rewind.frame_is_reverse = true;
audio_driver_setup_rewind();
rarch_main_msg_queue_push_new(MSG_REWINDING, 0,
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main_is_paused ? 1 : 30, true);
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pretro_unserialize(buf, global->rewind.size);
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if (global->bsv.movie)
bsv_movie_frame_rewind(global->bsv.movie);
}
else
rarch_main_msg_queue_push_new(MSG_REWIND_REACHED_END,
0, 30, true);
}
else
{
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static unsigned cnt = 0;
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cnt = (cnt + 1) % (settings->rewind_granularity ?
settings->rewind_granularity : 1); /* Avoid possible SIGFPE. */
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if ((cnt == 0) || global->bsv.movie)
{
void *state = NULL;
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state_manager_push_where(global->rewind.state, &state);
RARCH_PERFORMANCE_INIT(rewind_serialize);
RARCH_PERFORMANCE_START(rewind_serialize);
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pretro_serialize(state, global->rewind.size);
RARCH_PERFORMANCE_STOP(rewind_serialize);
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state_manager_push_do(global->rewind.state);
}
}
retro_set_rewind_callbacks();
}
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/**
* check_slowmotion:
* @slowmotion_pressed : was slow motion key pressed or held?
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*
* Checks if slowmotion toggle/hold was being pressed and/or held.
**/
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static void check_slowmotion(settings_t *settings, global_t *global,
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bool slowmotion_pressed)
{
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main_is_slowmotion = slowmotion_pressed;
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if (!main_is_slowmotion)
return;
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if (settings->video.black_frame_insertion)
video_driver_cached_frame();
if (global->rewind.frame_is_reverse)
rarch_main_msg_queue_push_new(MSG_SLOW_MOTION_REWIND, 0, 30, true);
else
rarch_main_msg_queue_push_new(MSG_SLOW_MOTION, 0, 30, true);
}
static bool check_movie_init(void)
{
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char path[PATH_MAX_LENGTH] = {0};
char msg[PATH_MAX_LENGTH] = {0};
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bool ret = true;
settings_t *settings = config_get_ptr();
global_t *global = global_get_ptr();
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if (global->bsv.movie)
return false;
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settings->rewind_granularity = 1;
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if (settings->state_slot > 0)
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snprintf(path, sizeof(path), "%s%d",
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global->bsv.movie_path, settings->state_slot);
else
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strlcpy(path, global->bsv.movie_path, sizeof(path));
strlcat(path, ".bsv", sizeof(path));
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snprintf(msg, sizeof(msg), "%s \"%s\".",
msg_hash_to_str(MSG_STARTING_MOVIE_RECORD_TO),
path);
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global->bsv.movie = bsv_movie_init(path, RARCH_MOVIE_RECORD);
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if (!global->bsv.movie)
ret = false;
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if (global->bsv.movie)
{
rarch_main_msg_queue_push(msg, 1, 180, true);
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RARCH_LOG("%s \"%s\".\n",
msg_hash_to_str(MSG_STARTING_MOVIE_RECORD_TO),
path);
}
else
{
rarch_main_msg_queue_push_new(
MSG_FAILED_TO_START_MOVIE_RECORD,
1, 180, true);
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RARCH_ERR(msg_hash_to_str(MSG_FAILED_TO_START_MOVIE_RECORD));
}
return ret;
}
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/**
* check_movie_record:
*
* Checks if movie is being recorded.
*
* Returns: true (1) if movie is being recorded, otherwise false (0).
**/
static bool check_movie_record(global_t *global)
{
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if (!global->bsv.movie)
return false;
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rarch_main_msg_queue_push_new(
MSG_MOVIE_RECORD_STOPPED, 2, 180, true);
RARCH_LOG("%s\n", msg_hash_to_str(MSG_MOVIE_RECORD_STOPPED));
event_command(EVENT_CMD_BSV_MOVIE_DEINIT);
return true;
}
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/**
* check_movie_playback:
*
* Checks if movie is being played.
*
* Returns: true (1) if movie is being played, otherwise false (0).
**/
static bool check_movie_playback(global_t *global)
{
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if (!global->bsv.movie_end)
return false;
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rarch_main_msg_queue_push_new(
MSG_MOVIE_PLAYBACK_ENDED, 1, 180, false);
RARCH_LOG("%s\n", msg_hash_to_str(MSG_MOVIE_PLAYBACK_ENDED));
event_command(EVENT_CMD_BSV_MOVIE_DEINIT);
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global->bsv.movie_end = false;
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global->bsv.movie_playback = false;
return true;
}
static bool check_movie(global_t *global)
{
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if (global->bsv.movie_playback)
return check_movie_playback(global);
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if (!global->bsv.movie)
return check_movie_init();
return check_movie_record(global);
}
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#define SHADER_EXT_GLSL 0x7c976537U
#define SHADER_EXT_GLSLP 0x0f840c87U
#define SHADER_EXT_CG 0x0059776fU
#define SHADER_EXT_CGP 0x0b8865bfU
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/**
* check_shader_dir:
* @pressed_next : was next shader key pressed?
* @pressed_previous : was previous shader key pressed?
*
* Checks if any one of the shader keys has been pressed for this frame:
* a) Next shader index.
* b) Previous shader index.
*
* Will also immediately apply the shader.
**/
static void check_shader_dir(global_t *global,
bool pressed_next, bool pressed_prev)
{
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uint32_t ext_hash;
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char msg[PATH_MAX_LENGTH] = {0};
const char *shader = NULL;
const char *ext = NULL;
enum rarch_shader_type type = RARCH_SHADER_NONE;
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if (!global || !global->shader_dir.list)
return;
if (pressed_next)
{
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global->shader_dir.ptr = (global->shader_dir.ptr + 1) %
global->shader_dir.list->size;
}
else if (pressed_prev)
{
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if (global->shader_dir.ptr == 0)
global->shader_dir.ptr = global->shader_dir.list->size - 1;
else
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global->shader_dir.ptr--;
}
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else
return;
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shader = global->shader_dir.list->elems[global->shader_dir.ptr].data;
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ext = path_get_extension(shader);
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ext_hash = msg_hash_calculate(ext);
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switch (ext_hash)
{
case SHADER_EXT_GLSL:
case SHADER_EXT_GLSLP:
type = RARCH_SHADER_GLSL;
break;
case SHADER_EXT_CG:
case SHADER_EXT_CGP:
type = RARCH_SHADER_CG;
break;
default:
return;
}
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snprintf(msg, sizeof(msg), "%s #%u: \"%s\".",
msg_hash_to_str(MSG_SHADER),
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(unsigned)global->shader_dir.ptr, shader);
rarch_main_msg_queue_push(msg, 1, 120, true);
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RARCH_LOG("%s \"%s\".\n",
msg_hash_to_str(MSG_APPLYING_SHADER),
shader);
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if (!video_driver_set_shader(type, shader))
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RARCH_WARN(msg_hash_to_str(MSG_FAILED_TO_APPLY_SHADER));
}
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#ifdef HAVE_MENU
static void do_state_check_menu_toggle(settings_t *settings, global_t *global)
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{
if (menu_driver_alive())
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{
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if (global->inited.main && (global->inited.core.type != CORE_TYPE_DUMMY))
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rarch_main_set_state(RARCH_ACTION_STATE_MENU_RUNNING_FINISHED);
return;
}
rarch_main_set_state(RARCH_ACTION_STATE_MENU_RUNNING);
}
#endif
/**
* do_pre_state_checks:
*
* Checks for state changes in this frame.
*
* Unlike do_state_checks(), this is performed for both
* the menu and the regular loop.
*
* Returns: 0.
**/
static int do_pre_state_checks(settings_t *settings,
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global_t *global, event_cmd_state_t *cmd)
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{
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if (cmd->overlay_next_pressed)
event_command(EVENT_CMD_OVERLAY_NEXT);
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if (!main_is_paused || menu_driver_alive())
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{
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if (cmd->fullscreen_toggle)
event_command(EVENT_CMD_FULLSCREEN_TOGGLE);
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}
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if (cmd->grab_mouse_pressed)
event_command(EVENT_CMD_GRAB_MOUSE_TOGGLE);
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#ifdef HAVE_MENU
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if (cmd->menu_pressed || (global->inited.core.type == CORE_TYPE_DUMMY))
do_state_check_menu_toggle(settings, global);
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#endif
return 0;
}
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#ifdef HAVE_NETPLAY
static int do_netplay_state_checks(
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bool netplay_flip_pressed,
bool fullscreen_toggle)
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{
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if (netplay_flip_pressed)
event_command(EVENT_CMD_NETPLAY_FLIP_PLAYERS);
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if (fullscreen_toggle)
event_command(EVENT_CMD_FULLSCREEN_TOGGLE);
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return 0;
}
#endif
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static int do_pause_state_checks(
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bool pause_pressed,
bool frameadvance_pressed,
bool fullscreen_toggle_pressed,
bool rewind_pressed)
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{
bool check_is_oneshot = frameadvance_pressed || rewind_pressed;
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if (!main_is_paused)
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return 0;
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if (fullscreen_toggle_pressed)
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{
event_command(EVENT_CMD_FULLSCREEN_TOGGLE);
video_driver_cached_frame();
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}
if (!check_is_oneshot)
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return 1;
return 0;
}
/**
* do_state_checks:
*
* Checks for state changes in this frame.
*
* Returns: 1 if RetroArch is in pause mode, 0 otherwise.
**/
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static int do_state_checks(driver_t *driver, settings_t *settings,
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global_t *global, event_cmd_state_t *cmd)
{
if (main_is_idle)
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return 1;
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if (cmd->screenshot_pressed)
event_command(EVENT_CMD_TAKE_SCREENSHOT);
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if (cmd->mute_pressed)
event_command(EVENT_CMD_AUDIO_MUTE_TOGGLE);
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if (cmd->osk_pressed)
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driver->keyboard_linefeed_enable = !driver->keyboard_linefeed_enable;
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if (cmd->volume_up_pressed)
event_command(EVENT_CMD_VOLUME_UP);
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else if (cmd->volume_down_pressed)
event_command(EVENT_CMD_VOLUME_DOWN);
#ifdef HAVE_NETPLAY
if (driver->netplay_data)
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return do_netplay_state_checks(cmd->netplay_flip_pressed,
cmd->fullscreen_toggle);
#endif
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check_pause(driver, settings,
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cmd->pause_pressed, cmd->frameadvance_pressed);
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if (do_pause_state_checks(
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cmd->pause_pressed,
cmd->frameadvance_pressed,
cmd->fullscreen_toggle,
cmd->rewind_pressed))
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return 1;
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check_fast_forward_button(driver,
cmd->fastforward_pressed,
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cmd->hold_pressed, cmd->old_hold_pressed);
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check_stateslots(settings, cmd->state_slot_increase,
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cmd->state_slot_decrease);
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if (cmd->save_state_pressed)
event_command(EVENT_CMD_SAVE_STATE);
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else if (cmd->load_state_pressed)
event_command(EVENT_CMD_LOAD_STATE);
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check_rewind(settings, global, cmd->rewind_pressed);
check_slowmotion(settings, global, cmd->slowmotion_pressed);
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if (cmd->movie_record)
check_movie(global);
check_shader_dir(global, cmd->shader_next_pressed,
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cmd->shader_prev_pressed);
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if (cmd->disk_eject_pressed)
event_command(EVENT_CMD_DISK_EJECT_TOGGLE);
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else if (cmd->disk_next_pressed)
event_command(EVENT_CMD_DISK_NEXT);
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else if (cmd->disk_prev_pressed)
event_command(EVENT_CMD_DISK_PREV);
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if (cmd->reset_pressed)
event_command(EVENT_CMD_RESET);
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if (global->cheat)
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{
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if (cmd->cheat_index_plus_pressed)
2015-03-24 08:44:18 +00:00
cheat_manager_index_next(global->cheat);
2015-03-24 09:01:17 +00:00
else if (cmd->cheat_index_minus_pressed)
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cheat_manager_index_prev(global->cheat);
2015-03-24 09:01:17 +00:00
else if (cmd->cheat_toggle_pressed)
2015-03-24 08:44:18 +00:00
cheat_manager_toggle(global->cheat);
}
return 0;
}
2015-01-09 21:24:38 +00:00
/**
* time_to_exit:
*
* rarch_main_iterate() checks this to see if it's time to
* exit out of the main loop.
*
* Reasons for exiting:
* a) Shutdown environment callback was invoked.
* b) Quit key was pressed.
* c) Frame count exceeds or equals maximum amount of frames to run.
* d) Video driver no longer alive.
* e) End of BSV movie and BSV EOF exit is true. (TODO/FIXME - explain better)
*
* Returns: 1 if any of the above conditions are true, otherwise 0.
**/
2015-07-12 17:06:24 +00:00
static INLINE int time_to_exit(driver_t *driver, global_t *global,
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rarch_system_info_t *system,
2015-08-03 18:03:14 +00:00
event_cmd_state_t *cmd)
{
const video_driver_t *video = driver ? (const video_driver_t*)driver->video : NULL;
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bool shutdown_pressed = system && system->shutdown;
bool video_alive = video && video->alive(driver->video_data);
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bool movie_end = (global->bsv.movie_end && global->bsv.eof_exit);
2015-08-03 21:01:07 +00:00
uint64_t *frame_count = video_driver_get_frame_count();
2015-08-05 12:45:56 +00:00
bool frame_count_end = main_max_frames && (*frame_count >= main_max_frames);
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2015-03-24 09:01:17 +00:00
if (shutdown_pressed || cmd->quit_key_pressed || frame_count_end || movie_end
2015-03-21 07:54:27 +00:00
|| !video_alive)
return 1;
return 0;
}
2015-01-10 20:47:30 +00:00
/**
2015-03-08 11:30:15 +00:00
* rarch_update_frame_time:
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*
* Updates frame timing if frame timing callback is in use by the core.
**/
2015-08-05 12:59:55 +00:00
static void rarch_update_frame_time(driver_t *driver, float slowmotion_ratio,
2015-08-05 11:06:44 +00:00
rarch_system_info_t *system)
{
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retro_time_t current = rarch_get_time_usec();
retro_time_t delta = current - system->frame_time_last;
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bool is_locked_fps = main_is_paused || driver->nonblock_state;
2015-03-20 18:48:23 +00:00
is_locked_fps |= !!driver->recording_data;
if (!system->frame_time_last || is_locked_fps)
delta = system->frame_time.reference;
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if (!is_locked_fps && main_is_slowmotion)
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delta /= slowmotion_ratio;
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system->frame_time_last = current;
2015-01-09 21:24:38 +00:00
if (is_locked_fps)
system->frame_time_last = 0;
2015-01-09 21:24:38 +00:00
system->frame_time.callback(delta);
}
2015-01-10 20:47:30 +00:00
/**
2015-03-08 11:30:15 +00:00
* rarch_limit_frame_time:
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*
* Limit frame time if fast forward ratio throttle is enabled.
**/
2015-08-05 12:57:06 +00:00
static void rarch_limit_frame_time(float fastforward_ratio)
{
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retro_time_t current = rarch_get_time_usec();
2015-08-05 12:57:06 +00:00
struct retro_system_av_info *av_info = video_viewport_get_system_av_info();
double effective_fps = av_info->timing.fps * fastforward_ratio;
2015-08-05 12:36:35 +00:00
double mft_f = 1000000.0f / effective_fps;
retro_time_t frame_limit_minimum_time = (retro_time_t) roundf(mft_f);
retro_time_t target = frame_limit_last_time + frame_limit_minimum_time;
retro_time_t to_sleep_ms = (target - current) / 1000;
2015-01-10 20:47:30 +00:00
if (to_sleep_ms <= 0)
{
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frame_limit_last_time = rarch_get_time_usec();
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return;
}
rarch_sleep((unsigned int)to_sleep_ms);
/* Combat jitter a bit. */
2015-08-05 12:36:35 +00:00
frame_limit_last_time += frame_limit_minimum_time;
}
2015-01-18 08:25:48 +00:00
/**
* check_block_hotkey:
* @enable_hotkey : Is hotkey enable key enabled?
*
* Checks if 'hotkey enable' key is pressed.
**/
2015-07-12 17:06:24 +00:00
static bool check_block_hotkey(driver_t *driver, settings_t *settings,
bool enable_hotkey)
{
bool use_hotkey_enable;
2015-03-20 22:22:41 +00:00
const struct retro_keybind *bind =
&settings->input.binds[0][RARCH_ENABLE_HOTKEY];
const struct retro_keybind *autoconf_bind =
&settings->input.autoconf_binds[0][RARCH_ENABLE_HOTKEY];
/* Don't block the check to RARCH_ENABLE_HOTKEY
* unless we're really supposed to. */
driver->block_hotkey =
input_driver_keyboard_mapping_is_blocked();
2015-03-22 06:52:14 +00:00
/* If we haven't bound anything to this,
* always allow hotkeys. */
use_hotkey_enable =
bind->key != RETROK_UNKNOWN ||
bind->joykey != NO_BTN ||
bind->joyaxis != AXIS_NONE ||
autoconf_bind->key != RETROK_UNKNOWN ||
autoconf_bind->joykey != NO_BTN ||
2015-02-10 21:28:08 +00:00
autoconf_bind->joyaxis != AXIS_NONE;
driver->block_hotkey =
input_driver_keyboard_mapping_is_blocked() ||
(use_hotkey_enable && !enable_hotkey);
/* If we hold ENABLE_HOTKEY button, block all libretro input to allow
* hotkeys to be bound to same keys as RetroPad. */
2015-02-15 00:03:19 +00:00
return (use_hotkey_enable && enable_hotkey);
}
/**
* input_keys_pressed:
*
* Grab an input sample for this frame.
*
* TODO: In case RARCH_BIND_LIST_END starts exceeding 64,
* and you need a bitmask of more than 64 entries, reimplement
* it to use something like rarch_bits_t.
*
* Returns: Input sample containg a mask of all pressed keys.
*/
2015-07-12 17:06:24 +00:00
static INLINE retro_input_t input_keys_pressed(driver_t *driver,
settings_t *settings, global_t *global)
{
2015-01-09 16:48:20 +00:00
unsigned i;
2015-06-27 13:52:24 +00:00
const struct retro_keybind *binds[MAX_USERS];
2015-03-20 18:48:23 +00:00
retro_input_t ret = 0;
2015-06-27 13:52:24 +00:00
for (i = 0; i < MAX_USERS; i++)
binds[i] = settings->input.binds[i];
if (!driver->input || !driver->input_data)
return 0;
2015-07-27 15:18:10 +00:00
global->turbo.count++;
2015-07-12 17:06:24 +00:00
driver->block_libretro_input = check_block_hotkey(driver,
2015-07-17 01:09:12 +00:00
settings, driver->input->key_pressed(
driver->input_data, RARCH_ENABLE_HOTKEY));
2015-03-20 18:48:23 +00:00
for (i = 0; i < settings->input.max_users; i++)
{
2015-03-20 18:48:23 +00:00
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]);
2015-07-27 15:18:10 +00:00
global->turbo.frame_enable[i] = 0;
2015-02-14 23:34:14 +00:00
}
2015-02-14 23:27:33 +00:00
if (!driver->block_libretro_input)
2015-02-14 23:34:14 +00:00
{
2015-03-20 18:48:23 +00:00
for (i = 0; i < settings->input.max_users; i++)
2015-07-27 15:18:10 +00:00
global->turbo.frame_enable[i] = input_driver_state(binds,
2015-03-23 02:04:05 +00:00
i, RETRO_DEVICE_JOYPAD, 0, RARCH_TURBO_ENABLE);
}
2015-02-15 00:19:06 +00:00
ret = input_driver_keys_pressed();
2015-03-20 18:48:23 +00:00
for (i = 0; i < settings->input.max_users; i++)
2015-01-10 21:31:14 +00:00
{
2015-03-20 18:48:23 +00:00
input_pop_analog_dpad(settings->input.binds[i]);
input_pop_analog_dpad(settings->input.autoconf_binds[i]);
2015-01-10 21:31:14 +00:00
}
return ret;
}
2015-01-11 16:33:05 +00:00
/**
* rarch_main_load_dummy_core:
*
* Quits out of RetroArch main loop.
*
* On special case, loads dummy core
* instead of exiting RetroArch completely.
* Aborts core shutdown if invoked.
*
* Returns: -1 if we are about to quit, otherwise 0.
**/
2015-08-03 21:46:50 +00:00
static int rarch_main_iterate_quit(settings_t *settings,
rarch_system_info_t *system,
global_t *global)
2015-01-11 16:33:05 +00:00
{
2015-03-20 18:48:23 +00:00
2015-03-21 01:07:46 +00:00
if (global->core_shutdown_initiated
2015-03-20 18:48:23 +00:00
&& settings->load_dummy_on_core_shutdown)
2015-01-11 16:33:05 +00:00
{
if (!event_command(EVENT_CMD_PREPARE_DUMMY))
2015-01-11 16:33:05 +00:00
return -1;
system->shutdown = false;
2015-03-21 01:07:46 +00:00
global->core_shutdown_initiated = false;
2015-01-11 16:33:05 +00:00
return 0;
}
return -1;
}
#ifdef HAVE_OVERLAY
static void rarch_main_iterate_linefeed_overlay(driver_t *driver,
settings_t *settings)
{
static char prev_overlay_restore = false;
if (driver->osk_enable && !driver->keyboard_linefeed_enable)
{
driver->osk_enable = false;
prev_overlay_restore = true;
event_command(EVENT_CMD_OVERLAY_DEINIT);
return;
}
else if (!driver->osk_enable && driver->keyboard_linefeed_enable)
{
driver->osk_enable = true;
prev_overlay_restore = false;
event_command(EVENT_CMD_OVERLAY_INIT);
return;
}
else if (prev_overlay_restore)
{
2015-07-09 02:05:59 +00:00
if (!settings->input.overlay_hide_in_menu)
event_command(EVENT_CMD_OVERLAY_INIT);
prev_overlay_restore = false;
}
}
#endif
2015-03-21 00:59:47 +00:00
global_t *global_get_ptr(void)
{
2015-07-27 12:38:01 +00:00
return &g_extern;
2015-03-21 00:59:47 +00:00
}
2015-03-22 02:41:20 +00:00
void rarch_main_state_free(void)
2015-03-20 18:01:03 +00:00
{
main_is_idle = false;
2015-08-05 10:58:25 +00:00
main_is_paused = false;
2015-08-05 11:06:44 +00:00
main_is_slowmotion = false;
2015-08-05 12:36:35 +00:00
frame_limit_last_time = 0.0;
2015-08-05 12:45:56 +00:00
main_max_frames = 0;
2015-03-20 18:01:03 +00:00
}
2015-08-05 12:36:35 +00:00
void rarch_main_set_frame_limit_last_time(retro_time_t t)
{
frame_limit_last_time = t;
}
2015-03-22 02:41:20 +00:00
void rarch_main_global_free(void)
{
event_command(EVENT_CMD_TEMPORARY_CONTENT_DEINIT);
event_command(EVENT_CMD_SUBSYSTEM_FULLPATHS_DEINIT);
event_command(EVENT_CMD_RECORD_DEINIT);
event_command(EVENT_CMD_LOG_FILE_DEINIT);
2015-07-27 12:38:01 +00:00
memset(&g_extern, 0, sizeof(g_extern));
}
bool rarch_main_verbosity(void)
{
global_t *global = global_get_ptr();
if (!global)
return false;
return global->verbosity;
}
FILE *rarch_main_log_file(void)
{
global_t *global = global_get_ptr();
if (!global)
return NULL;
return global->log_file;
}
2015-03-18 05:47:22 +00:00
void rarch_main_clear_state(void)
{
driver_clear_state();
2015-03-22 02:41:20 +00:00
rarch_main_state_free();
2015-03-22 02:41:20 +00:00
rarch_main_global_free();
2015-03-18 05:47:22 +00:00
}
2015-08-05 11:06:44 +00:00
void rarch_main_set_slowmotion(unsigned enable)
{
main_is_slowmotion = enable;
}
2015-08-05 12:45:56 +00:00
void rarch_main_set_max_frames(unsigned val)
{
main_max_frames = val;
}
2015-08-05 10:58:25 +00:00
void rarch_main_set_pause(unsigned enable)
{
main_is_paused = enable;
}
void rarch_main_set_idle(unsigned enable)
{
main_is_idle = enable;
}
2015-08-05 10:58:25 +00:00
bool rarch_main_is_paused(void)
{
return main_is_paused;
}
2015-03-18 19:48:17 +00:00
bool rarch_main_is_idle(void)
{
return main_is_idle;
2015-03-18 19:48:17 +00:00
}
2015-08-05 11:06:44 +00:00
bool rarch_main_is_slowmotion(void)
{
return main_is_slowmotion;
}
2015-07-09 04:27:17 +00:00
static bool rarch_main_cmd_get_state_menu_toggle_button_combo(
2015-08-03 21:48:58 +00:00
driver_t *driver, settings_t *settings,
2015-07-09 04:27:17 +00:00
retro_input_t input, retro_input_t old_input,
retro_input_t trigger_input)
{
switch (settings->input.menu_toggle_gamepad_combo)
{
case 0:
return false;
case 1:
if (!BIT64_GET(input, RETRO_DEVICE_ID_JOYPAD_DOWN))
return false;
if (!BIT64_GET(input, RETRO_DEVICE_ID_JOYPAD_Y))
return false;
if (!BIT64_GET(input, RETRO_DEVICE_ID_JOYPAD_L))
return false;
if (!BIT64_GET(input, RETRO_DEVICE_ID_JOYPAD_R))
return false;
break;
case 2:
if (!BIT64_GET(input, RETRO_DEVICE_ID_JOYPAD_L3))
return false;
if (!BIT64_GET(input, RETRO_DEVICE_ID_JOYPAD_R3))
return false;
break;
}
driver->flushing_input = true;
return true;
}
2015-08-03 21:48:58 +00:00
static void rarch_main_cmd_get_state(driver_t *driver,
settings_t *settings, event_cmd_state_t *cmd,
2015-03-24 09:01:17 +00:00
retro_input_t input, retro_input_t old_input,
retro_input_t trigger_input)
{
if (!cmd)
return;
cmd->fullscreen_toggle = BIT64_GET(trigger_input, RARCH_FULLSCREEN_TOGGLE_KEY);
cmd->overlay_next_pressed = BIT64_GET(trigger_input, RARCH_OVERLAY_NEXT);
cmd->grab_mouse_pressed = BIT64_GET(trigger_input, RARCH_GRAB_MOUSE_TOGGLE);
#ifdef HAVE_MENU
2015-07-09 04:27:17 +00:00
cmd->menu_pressed = BIT64_GET(trigger_input, RARCH_MENU_TOGGLE) ||
2015-08-03 21:48:58 +00:00
rarch_main_cmd_get_state_menu_toggle_button_combo(driver,
settings, input,
2015-07-09 04:27:17 +00:00
old_input, trigger_input);
2015-03-24 09:01:17 +00:00
#endif
cmd->quit_key_pressed = BIT64_GET(input, RARCH_QUIT_KEY);
cmd->screenshot_pressed = BIT64_GET(trigger_input, RARCH_SCREENSHOT);
cmd->mute_pressed = BIT64_GET(trigger_input, RARCH_MUTE);
2015-04-27 03:36:41 +00:00
cmd->osk_pressed = BIT64_GET(trigger_input, RARCH_OSK);
2015-03-24 09:01:17 +00:00
cmd->volume_up_pressed = BIT64_GET(input, RARCH_VOLUME_UP);
cmd->volume_down_pressed = BIT64_GET(input, RARCH_VOLUME_DOWN);
cmd->reset_pressed = BIT64_GET(trigger_input, RARCH_RESET);
cmd->disk_prev_pressed = BIT64_GET(trigger_input, RARCH_DISK_PREV);
cmd->disk_next_pressed = BIT64_GET(trigger_input, RARCH_DISK_NEXT);
cmd->disk_eject_pressed = BIT64_GET(trigger_input, RARCH_DISK_EJECT_TOGGLE);
cmd->movie_record = BIT64_GET(trigger_input, RARCH_MOVIE_RECORD_TOGGLE);
cmd->save_state_pressed = BIT64_GET(trigger_input, RARCH_SAVE_STATE_KEY);
cmd->load_state_pressed = BIT64_GET(trigger_input, RARCH_LOAD_STATE_KEY);
cmd->slowmotion_pressed = BIT64_GET(input, RARCH_SLOWMOTION);
cmd->shader_next_pressed = BIT64_GET(trigger_input, RARCH_SHADER_NEXT);
cmd->shader_prev_pressed = BIT64_GET(trigger_input, RARCH_SHADER_PREV);
cmd->fastforward_pressed = BIT64_GET(trigger_input, RARCH_FAST_FORWARD_KEY);
cmd->hold_pressed = BIT64_GET(input, RARCH_FAST_FORWARD_HOLD_KEY);
cmd->old_hold_pressed = BIT64_GET(old_input, RARCH_FAST_FORWARD_HOLD_KEY);
cmd->state_slot_increase = BIT64_GET(trigger_input, RARCH_STATE_SLOT_PLUS);
cmd->state_slot_decrease = BIT64_GET(trigger_input, RARCH_STATE_SLOT_MINUS);
cmd->pause_pressed = BIT64_GET(trigger_input, RARCH_PAUSE_TOGGLE);
cmd->frameadvance_pressed = BIT64_GET(trigger_input, RARCH_FRAMEADVANCE);
2015-04-05 19:34:53 +00:00
cmd->rewind_pressed = BIT64_GET(input, RARCH_REWIND);
2015-03-24 09:01:17 +00:00
cmd->netplay_flip_pressed = BIT64_GET(trigger_input, RARCH_NETPLAY_FLIP);
cmd->fullscreen_toggle = BIT64_GET(trigger_input, RARCH_FULLSCREEN_TOGGLE_KEY);
cmd->cheat_index_plus_pressed = BIT64_GET(trigger_input,
RARCH_CHEAT_INDEX_PLUS);
cmd->cheat_index_minus_pressed = BIT64_GET(trigger_input,
RARCH_CHEAT_INDEX_MINUS);
cmd->cheat_toggle_pressed = BIT64_GET(trigger_input,
RARCH_CHEAT_TOGGLE);
}
2015-01-07 02:53:36 +00:00
/**
* rarch_main_iterate:
*
2015-01-09 21:24:38 +00:00
* Run Libretro core in RetroArch for one frame.
2015-01-07 02:53:36 +00:00
*
2015-01-11 16:33:05 +00:00
* Returns: 0 on success, 1 if we have to wait until button input in order
2015-01-09 21:24:38 +00:00
* to wake up the loop, -1 if we forcibly quit out of the RetroArch iteration loop.
2015-01-07 02:53:36 +00:00
**/
int rarch_main_iterate(void)
{
unsigned i;
2015-06-26 17:57:40 +00:00
retro_input_t trigger_input, old_input;
event_cmd_state_t cmd = {0};
2015-01-09 21:24:38 +00:00
int ret = 0;
static retro_input_t last_input = 0;
driver_t *driver = driver_get_ptr();
2015-03-20 18:48:23 +00:00
settings_t *settings = config_get_ptr();
2015-03-21 01:07:46 +00:00
global_t *global = global_get_ptr();
2015-07-12 17:06:24 +00:00
retro_input_t input = input_keys_pressed(driver, settings, global);
rarch_system_info_t *system = rarch_system_info_get_ptr();
2015-06-26 17:57:40 +00:00
old_input = last_input;
2015-06-26 17:37:03 +00:00
last_input = input;
if (driver->flushing_input)
2015-08-05 12:24:21 +00:00
{
input = 0;
/* If core was paused before entering menu, evoke
* pause toggle to wake it up. */
if (main_is_paused)
BIT64_SET(input, RARCH_PAUSE_TOGGLE);
driver->flushing_input = false;
}
trigger_input = input & ~old_input;
2015-08-03 21:48:58 +00:00
rarch_main_cmd_get_state(driver, settings, &cmd, input, old_input, trigger_input);
2015-03-24 08:44:18 +00:00
2015-08-03 21:46:50 +00:00
if (time_to_exit(driver, global, system, &cmd))
return rarch_main_iterate_quit(settings, system, global);
if (system->frame_time.callback)
2015-08-05 12:59:55 +00:00
rarch_update_frame_time(driver, settings->slowmotion_ratio, system);
2015-08-03 18:03:14 +00:00
do_pre_state_checks(settings, global, &cmd);
#ifdef HAVE_OVERLAY
rarch_main_iterate_linefeed_overlay(driver, settings);
#endif
2015-02-22 06:34:33 +00:00
2015-01-10 21:51:03 +00:00
#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);
2015-03-20 18:48:23 +00:00
if (!input && settings->menu.pause_libretro)
ret = 1;
goto success;
}
#endif
2015-03-21 01:07:46 +00:00
if (global->exec)
{
2015-03-21 01:07:46 +00:00
global->exec = false;
2015-08-03 21:46:50 +00:00
return rarch_main_iterate_quit(settings, system, global);
}
2015-08-03 18:15:46 +00:00
if (do_state_checks(driver, settings, global, &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
2015-03-21 01:07:46 +00:00
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. */
2015-03-20 18:48:23 +00:00
for (i = 0; i < settings->input.max_users; i++)
{
2015-03-20 18:48:23 +00:00
if (!settings->input.analog_dpad_mode[i])
continue;
2015-03-20 18:48:23 +00:00
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]);
}
2015-03-20 18:48:23 +00:00
if ((settings->video.frame_delay > 0) && !driver->nonblock_state)
rarch_sleep(settings->video.frame_delay);
/* Run libretro for one frame. */
pretro_run();
2015-03-20 18:48:23 +00:00
for (i = 0; i < settings->input.max_users; i++)
{
2015-03-20 18:48:23 +00:00
if (!settings->input.analog_dpad_mode[i])
continue;
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input_pop_analog_dpad(settings->input.binds[i]);
input_pop_analog_dpad(settings->input.autoconf_binds[i]);
}
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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:
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if (settings->fastforward_ratio_throttle_enable)
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rarch_limit_frame_time(settings->fastforward_ratio);
return ret;
}