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RetroArch/input/input_driver.c

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2017 - 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 <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <string/stdstring.h>
#ifdef HAVE_CONFIG_H
#include "../config.h"
#endif
#ifdef HAVE_NETWORKGAMEPAD
#include "input_remote.h"
#endif
#include "input_driver.h"
#include "input_config.h"
#include "input_keyboard.h"
#include "input_remapping.h"
#ifdef HAVE_MENU
#include "../menu/menu_driver.h"
#include "../menu/menu_input.h"
#include "../menu/widgets/menu_input_dialog.h"
#endif
#include "../configuration.h"
#include "../driver.h"
#include "../retroarch.h"
#include "../movie.h"
#include "../list_special.h"
#include "../verbosity.h"
#include "../tasks/tasks_internal.h"
#include "../command.h"
static const input_driver_t *input_drivers[] = {
#ifdef __CELLOS_LV2__
&input_ps3,
#endif
#if defined(SN_TARGET_PSP2) || defined(PSP) || defined(VITA)
&input_psp,
#endif
#if defined(_3DS)
&input_ctr,
#endif
#if defined(HAVE_SDL) || defined(HAVE_SDL2)
&input_sdl,
#endif
#ifdef HAVE_DINPUT
&input_dinput,
#endif
#ifdef HAVE_X11
&input_x,
#endif
#ifdef XENON
&input_xenon360,
#endif
#if defined(HAVE_XINPUT2) || defined(HAVE_XINPUT_XBOX1)
&input_xinput,
#endif
#ifdef GEKKO
&input_gx,
#endif
#ifdef WIIU
&input_wiiu,
#endif
#ifdef ANDROID
&input_android,
#endif
#ifdef HAVE_UDEV
&input_udev,
#endif
#if defined(__linux__) && !defined(ANDROID)
&input_linuxraw,
#endif
#if defined(HAVE_COCOA) || defined(HAVE_COCOATOUCH)
&input_cocoa,
#endif
#ifdef __QNX__
&input_qnx,
#endif
#ifdef EMSCRIPTEN
&input_rwebinput,
#endif
#ifdef DJGPP
&input_dos,
#endif
#if defined(_WIN32) && !defined(_XBOX) && _WIN32_WINNT >= 0x0501
/* winraw only available since XP */
&input_winraw,
#endif
&input_null,
NULL,
};
static input_device_driver_t *joypad_drivers[] = {
#ifdef __CELLOS_LV2__
&ps3_joypad,
#endif
#ifdef HAVE_XINPUT
&xinput_joypad,
#endif
#ifdef GEKKO
&gx_joypad,
#endif
#ifdef WIIU
&wiiu_joypad,
#endif
#ifdef _XBOX
&xdk_joypad,
#endif
#if defined(PSP) || defined(VITA)
&psp_joypad,
#endif
#ifdef _3DS
&ctr_joypad,
#endif
#ifdef HAVE_DINPUT
&dinput_joypad,
#endif
#ifdef HAVE_UDEV
&udev_joypad,
#endif
#if defined(__linux) && !defined(ANDROID)
&linuxraw_joypad,
#endif
#ifdef HAVE_PARPORT
&parport_joypad,
#endif
#ifdef ANDROID
&android_joypad,
#endif
#if defined(HAVE_SDL) || defined(HAVE_SDL2)
&sdl_joypad,
#endif
#ifdef __QNX__
&qnx_joypad,
#endif
#ifdef HAVE_MFI
&mfi_joypad,
#endif
#ifdef DJGPP
&dos_joypad,
#endif
#ifdef HAVE_HID
&hid_joypad,
#endif
&null_joypad,
NULL,
};
typedef struct turbo_buttons turbo_buttons_t;
/* Turbo support. */
struct turbo_buttons
{
bool frame_enable[MAX_USERS];
uint16_t enable[MAX_USERS];
unsigned count;
};
static turbo_buttons_t input_driver_turbo_btns;
#ifdef HAVE_COMMAND
static command_t *input_driver_command = NULL;
#endif
#ifdef HAVE_NETWORKGAMEPAD
static input_remote_t *input_driver_remote = NULL;
#endif
const input_driver_t *current_input = NULL;
void *current_input_data = NULL;
static bool input_driver_block_hotkey = false;
static bool input_driver_block_libretro_input = false;
static bool input_driver_nonblock_state = false;
bool input_driver_flushing_input = false;
static bool input_driver_data_own = false;
static float input_driver_axis_threshold = 0.0f;
static unsigned input_driver_max_users = 0;
/**
* input_driver_find_handle:
* @idx : index of driver to get handle to.
*
* Returns: handle to input driver at index. Can be NULL
* if nothing found.
**/
const void *input_driver_find_handle(int idx)
{
const void *drv = input_drivers[idx];
if (!drv)
return NULL;
return drv;
}
/**
* input_driver_find_ident:
* @idx : index of driver to get handle to.
*
* Returns: Human-readable identifier of input driver at index. Can be NULL
* if nothing found.
**/
const char *input_driver_find_ident(int idx)
{
const input_driver_t *drv = input_drivers[idx];
if (!drv)
return NULL;
return drv->ident;
}
/**
* config_get_input_driver_options:
*
* Get an enumerated list of all input driver names, separated by '|'.
*
* Returns: string listing of all input driver names, separated by '|'.
**/
const char* config_get_input_driver_options(void)
{
return char_list_new_special(STRING_LIST_INPUT_DRIVERS, NULL);
}
const input_driver_t *input_get_ptr(void)
{
return current_input;
}
const input_driver_t **input_get_double_ptr(void)
{
return &current_input;
}
/**
* input_driver_set_rumble_state:
* @port : User number.
* @effect : Rumble effect.
* @strength : Strength of rumble effect.
*
* Sets the rumble state.
* Used by RETRO_ENVIRONMENT_GET_RUMBLE_INTERFACE.
**/
bool input_driver_set_rumble_state(unsigned port,
enum retro_rumble_effect effect, uint16_t strength)
{
if (!current_input || !current_input->set_rumble)
return false;
return current_input->set_rumble(current_input_data,
port, effect, strength);
}
const input_device_driver_t *input_driver_get_joypad_driver(void)
{
if (!current_input || !current_input->get_joypad_driver)
return NULL;
return current_input->get_joypad_driver(current_input_data);
}
const input_device_driver_t *input_driver_get_sec_joypad_driver(void)
{
if (!current_input || !current_input->get_sec_joypad_driver)
return NULL;
return current_input->get_sec_joypad_driver(current_input_data);
}
uint64_t input_driver_get_capabilities(void)
{
if (!current_input || !current_input->get_capabilities)
return 0;
return current_input->get_capabilities(current_input_data);
}
void input_driver_set(const input_driver_t **input, void **input_data)
{
if (input && input_data)
{
*input = current_input;
*input_data = current_input_data;
}
input_driver_set_own_driver();
}
void input_driver_keyboard_mapping_set_block(bool value)
{
if (current_input->keyboard_mapping_set_block)
current_input->keyboard_mapping_set_block(current_input_data, value);
}
/**
* input_sensor_set_state:
* @port : User number.
* @effect : Sensor action.
* @rate : Sensor rate update.
*
* Sets the sensor state.
* Used by RETRO_ENVIRONMENT_GET_SENSOR_INTERFACE.
**/
bool input_sensor_set_state(unsigned port,
enum retro_sensor_action action, unsigned rate)
{
if (current_input_data &&
current_input->set_sensor_state)
return current_input->set_sensor_state(current_input_data,
port, action, rate);
return false;
}
float input_sensor_get_input(unsigned port, unsigned id)
{
if (current_input_data &&
current_input->get_sensor_input)
return current_input->get_sensor_input(current_input_data,
port, id);
return 0.0f;
}
/**
* input_poll:
*
* Input polling callback function.
**/
void input_poll(void)
{
size_t i;
settings_t *settings = config_get_ptr();
unsigned max_users = input_driver_max_users;
current_input->poll(current_input_data);
input_driver_turbo_btns.count++;
for (i = 0; i < max_users; i++)
{
input_driver_turbo_btns.frame_enable[i] = 0;
if (!input_driver_block_libretro_input &&
libretro_input_binds[i][RARCH_TURBO_ENABLE].valid)
{
rarch_joypad_info_t joypad_info;
joypad_info.axis_threshold = input_driver_axis_threshold;
joypad_info.joy_idx = settings->uints.input_joypad_map[i];
joypad_info.auto_binds = input_autoconf_binds[joypad_info.joy_idx];
input_driver_turbo_btns.frame_enable[i] = current_input->input_state(
current_input_data, joypad_info, libretro_input_binds,
(unsigned)i, RETRO_DEVICE_JOYPAD, 0, RARCH_TURBO_ENABLE);
}
}
if (input_driver_block_libretro_input)
return;
#ifdef HAVE_OVERLAY
if (overlay_ptr && input_overlay_is_alive(overlay_ptr))
input_poll_overlay(
overlay_ptr,
settings->floats.input_overlay_opacity,
settings->uints.input_analog_dpad_mode[0],
input_driver_axis_threshold);
#endif
#ifdef HAVE_COMMAND
if (input_driver_command)
command_poll(input_driver_command);
#endif
#ifdef HAVE_NETWORKGAMEPAD
if (input_driver_remote)
input_remote_poll(input_driver_remote, max_users);
#endif
}
/**
* input_state:
* @port : user number.
* @device : device identifier of user.
* @idx : index value of user.
* @id : identifier of key pressed by user.
*
* Input state callback function.
*
* Returns: Non-zero if the given key (identified by @id)
* was pressed by the user (assigned to @port).
**/
int16_t input_state(unsigned port, unsigned device,
unsigned idx, unsigned id)
{
int16_t res = 0;
device &= RETRO_DEVICE_MASK;
if (bsv_movie_is_playback_on())
{
int16_t bsv_result;
if (bsv_movie_get_input(&bsv_result))
return bsv_result;
bsv_movie_ctl(BSV_MOVIE_CTL_SET_END, NULL);
}
if ( !input_driver_flushing_input
&& !input_driver_block_libretro_input)
{
settings_t *settings = config_get_ptr();
if (settings->bools.input_remap_binds_enable)
{
switch (device)
{
case RETRO_DEVICE_JOYPAD:
if (id < RARCH_FIRST_CUSTOM_BIND)
id = settings->uints.input_remap_ids[port][id];
break;
case RETRO_DEVICE_ANALOG:
if (idx < 2 && id < 2)
{
unsigned new_id = RARCH_FIRST_CUSTOM_BIND + (idx * 2 + id);
new_id = settings->uints.input_remap_ids[port][new_id];
idx = (new_id & 2) >> 1;
id = new_id & 1;
}
break;
}
}
if (((id < RARCH_FIRST_META_KEY) || (device == RETRO_DEVICE_KEYBOARD)))
{
bool bind_valid = libretro_input_binds[port] && libretro_input_binds[port][id].valid;
if (bind_valid || device == RETRO_DEVICE_KEYBOARD)
{
rarch_joypad_info_t joypad_info;
joypad_info.axis_threshold = input_driver_axis_threshold;
joypad_info.joy_idx = settings->uints.input_joypad_map[port];
joypad_info.auto_binds = input_autoconf_binds[joypad_info.joy_idx];
res = current_input->input_state(
current_input_data, joypad_info, libretro_input_binds, port, device, idx, id);
}
}
#ifdef HAVE_OVERLAY
if (overlay_ptr)
input_state_overlay(overlay_ptr, &res, port, device, idx, id);
#endif
#ifdef HAVE_NETWORKGAMEPAD
if (input_driver_remote)
input_remote_state(&res, port, device, idx, id);
#endif
/* Don't allow turbo for D-pad. */
if (device == RETRO_DEVICE_JOYPAD && (id < RETRO_DEVICE_ID_JOYPAD_UP ||
id > RETRO_DEVICE_ID_JOYPAD_RIGHT))
{
/*
* Apply turbo button if activated.
*
* If turbo button is held, all buttons pressed except
* for D-pad will go into a turbo mode. Until the button is
* released again, the input state will be modulated by a
* periodic pulse defined by the configured duty cycle.
*/
if (res && input_driver_turbo_btns.frame_enable[port])
input_driver_turbo_btns.enable[port] |= (1 << id);
else if (!res)
input_driver_turbo_btns.enable[port] &= ~(1 << id);
if (input_driver_turbo_btns.enable[port] & (1 << id))
{
/* if turbo button is enabled for this key ID */
res = res && ((input_driver_turbo_btns.count
% settings->uints.input_turbo_period)
< settings->uints.input_turbo_duty_cycle);
}
}
}
if (bsv_movie_is_playback_off())
bsv_movie_ctl(BSV_MOVIE_CTL_SET_INPUT, &res);
return res;
}
/**
* check_input_driver_block_hotkey:
*
* Checks if 'hotkey enable' key is pressed.
*
* If we haven't bound anything to this,
* always allow hotkeys.
* If we hold ENABLE_HOTKEY button, block all libretro input to allow
* hotkeys to be bound to same keys as RetroPad.
**/
#define check_input_driver_block_hotkey(normal_bind, autoconf_bind) \
( \
(((normal_bind)->key != RETROK_UNKNOWN) \
|| ((normal_bind)->joykey != NO_BTN) \
|| ((normal_bind)->joyaxis != AXIS_NONE) \
|| ((autoconf_bind)->key != RETROK_UNKNOWN ) \
|| ((autoconf_bind)->joykey != NO_BTN) \
|| ((autoconf_bind)->joyaxis != AXIS_NONE)) \
)
static const unsigned buttons[] = {
RETRO_DEVICE_ID_JOYPAD_R,
RETRO_DEVICE_ID_JOYPAD_L,
RETRO_DEVICE_ID_JOYPAD_X,
RETRO_DEVICE_ID_JOYPAD_A,
RETRO_DEVICE_ID_JOYPAD_RIGHT,
RETRO_DEVICE_ID_JOYPAD_LEFT,
RETRO_DEVICE_ID_JOYPAD_DOWN,
RETRO_DEVICE_ID_JOYPAD_UP,
RETRO_DEVICE_ID_JOYPAD_START,
RETRO_DEVICE_ID_JOYPAD_SELECT,
RETRO_DEVICE_ID_JOYPAD_Y,
RETRO_DEVICE_ID_JOYPAD_B,
};
/**
* state_tracker_update_input:
*
* Updates 16-bit input in same format as libretro API itself.
**/
void state_tracker_update_input(uint16_t *input1, uint16_t *input2)
{
unsigned i;
const struct retro_keybind *binds[MAX_USERS];
settings_t *settings = config_get_ptr();
unsigned max_users = input_driver_max_users;
for (i = 0; i < max_users; i++)
{
struct retro_keybind *general_binds = input_config_binds[i];
struct retro_keybind *auto_binds = input_autoconf_binds[i];
enum analog_dpad_mode dpad_mode = (enum analog_dpad_mode)settings->uints.input_analog_dpad_mode[i];
binds[i] = input_config_binds[i];
if (dpad_mode == ANALOG_DPAD_NONE)
continue;
input_push_analog_dpad(general_binds, dpad_mode);
input_push_analog_dpad(auto_binds, dpad_mode);
}
if (!input_driver_block_libretro_input)
{
rarch_joypad_info_t joypad_info;
joypad_info.axis_threshold = input_driver_axis_threshold;
for (i = 4; i < 16; i++)
{
unsigned id = buttons[i - 4];
if (binds[0][id].valid)
{
joypad_info.joy_idx = settings->uints.input_joypad_map[0];
joypad_info.auto_binds = input_autoconf_binds[joypad_info.joy_idx];
*input1 |= (current_input->input_state(current_input_data, joypad_info,
binds,
0, RETRO_DEVICE_JOYPAD, 0, id) ? 1 : 0) << i;
}
if (binds[1][id].valid)
{
joypad_info.joy_idx = settings->uints.input_joypad_map[1];
joypad_info.auto_binds = input_autoconf_binds[joypad_info.joy_idx];
*input2 |= (current_input->input_state(current_input_data, joypad_info,
binds,
1, RETRO_DEVICE_JOYPAD, 0, id) ? 1 : 0) << i;
}
}
}
for (i = 0; i < max_users; i++)
{
struct retro_keybind *general_binds = input_config_binds[i];
struct retro_keybind *auto_binds = input_autoconf_binds[i];
input_pop_analog_dpad(general_binds);
input_pop_analog_dpad(auto_binds);
}
}
#ifdef HAVE_MENU
/**
* input_menu_keys_pressed:
*
* Grab an input sample for this frame. We exclude
* keyboard input here.
*
* 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 containing a mask of all pressed keys.
*/
uint64_t input_menu_keys_pressed(void *data, uint64_t last_input)
{
unsigned i;
rarch_joypad_info_t joypad_info;
uint64_t ret = 0;
const struct retro_keybind *binds[MAX_USERS] = {NULL};
settings_t *settings = (settings_t*)data;
const struct retro_keybind *binds_norm = NULL;
const struct retro_keybind *binds_auto = NULL;
unsigned max_users = input_driver_max_users;
for (i = 0; i < max_users; i++)
{
struct retro_keybind *auto_binds = input_autoconf_binds[i];
input_push_analog_dpad(auto_binds, ANALOG_DPAD_LSTICK);
}
joypad_info.joy_idx = settings->uints.input_joypad_map[0];
joypad_info.auto_binds = input_autoconf_binds[joypad_info.joy_idx];
joypad_info.axis_threshold = input_driver_axis_threshold;
input_driver_block_libretro_input = false;
input_driver_block_hotkey = false;
if (current_input->keyboard_mapping_is_blocked
&& current_input->keyboard_mapping_is_blocked(current_input_data))
input_driver_block_hotkey = true;
binds_norm = &input_config_binds[0][RARCH_ENABLE_HOTKEY];
binds_auto = &input_autoconf_binds[0][RARCH_ENABLE_HOTKEY];
for (i = 0; i < max_users; i++)
binds[i] = input_config_binds[i];
if (check_input_driver_block_hotkey(binds_norm, binds_auto))
{
const struct retro_keybind *htkey = &input_config_binds[0][RARCH_ENABLE_HOTKEY];
if (htkey->valid
&& current_input->input_state(current_input_data, joypad_info,
&binds[0], 0, RETRO_DEVICE_JOYPAD, 0, RARCH_ENABLE_HOTKEY))
input_driver_block_libretro_input = true;
else
input_driver_block_hotkey = true;
}
for (i = 0; i < RARCH_BIND_LIST_END; i++)
{
const struct retro_keybind *mtkey = &input_config_binds[0][i];
if (
(((!input_driver_block_libretro_input && ((i < RARCH_FIRST_META_KEY)))
|| !input_driver_block_hotkey)) && mtkey->valid
)
{
unsigned port;
unsigned port_max =
settings->bools.input_all_users_control_menu
? max_users : 1;
const input_device_driver_t *first = current_input->get_joypad_driver
? current_input->get_joypad_driver(current_input_data) : NULL;
const input_device_driver_t *sec = current_input->get_sec_joypad_driver
? current_input->get_sec_joypad_driver(current_input_data) : NULL;
for (port = 0; port < port_max; port++)
{
if ( (sec && input_joypad_pressed(sec,
joypad_info, port, input_config_binds[0], i)) ||
(first && input_joypad_pressed(first,
joypad_info, port, input_config_binds[0], i))
)
{
ret |= (UINT64_C(1) << i);
continue;
}
}
}
if (i >= RARCH_FIRST_META_KEY)
{
if (current_input->meta_key_pressed(current_input_data, i))
{
ret |= (UINT64_C(1) << i);
continue;
}
}
#ifdef HAVE_OVERLAY
if (overlay_ptr && input_overlay_key_pressed(overlay_ptr, i))
{
ret |= (UINT64_C(1) << i);
continue;
}
#endif
#ifdef HAVE_COMMAND
if (input_driver_command)
{
command_handle_t handle;
handle.handle = input_driver_command;
handle.id = i;
if (command_get(&handle))
{
ret |= (UINT64_C(1) << i);
continue;
}
}
#endif
#ifdef HAVE_NETWORKGAMEPAD
if (input_driver_remote && input_remote_key_pressed(i, 0))
{
ret |= (UINT64_C(1) << i);
continue;
}
#endif
}
for (i = 0; i < max_users; i++)
{
struct retro_keybind *auto_binds = input_autoconf_binds[i];
input_pop_analog_dpad(auto_binds);
}
if (!menu_input_dialog_get_display_kb())
{
unsigned ids[13][2];
const struct retro_keybind *quitkey = &input_config_binds[0][RARCH_QUIT_KEY];
const struct retro_keybind *fskey = &input_config_binds[0][RARCH_FULLSCREEN_TOGGLE_KEY];
ids[0][0] = RETROK_SPACE;
ids[0][1] = RETRO_DEVICE_ID_JOYPAD_START;
ids[1][0] = RETROK_SLASH;
ids[1][1] = RETRO_DEVICE_ID_JOYPAD_X;
ids[2][0] = RETROK_RSHIFT;
ids[2][1] = RETRO_DEVICE_ID_JOYPAD_SELECT;
ids[3][0] = RETROK_RIGHT;
ids[3][1] = RETRO_DEVICE_ID_JOYPAD_RIGHT;
ids[4][0] = RETROK_LEFT;
ids[4][1] = RETRO_DEVICE_ID_JOYPAD_LEFT;
ids[5][0] = RETROK_DOWN;
ids[5][1] = RETRO_DEVICE_ID_JOYPAD_DOWN;
ids[6][0] = RETROK_UP;
ids[6][1] = RETRO_DEVICE_ID_JOYPAD_UP;
ids[7][0] = RETROK_PAGEUP;
ids[7][1] = RETRO_DEVICE_ID_JOYPAD_L;
ids[8][0] = RETROK_PAGEDOWN;
ids[8][1] = RETRO_DEVICE_ID_JOYPAD_R;
ids[9][0] = quitkey->key;
ids[9][1] = RARCH_QUIT_KEY;
ids[10][0] = fskey->key;
ids[10][1] = RARCH_FULLSCREEN_TOGGLE_KEY;
ids[11][0] = RETROK_BACKSPACE;
ids[11][1] = RETRO_DEVICE_ID_JOYPAD_B;
ids[12][0] = RETROK_RETURN;
ids[12][1] = RETRO_DEVICE_ID_JOYPAD_A;
if (settings->bools.input_menu_swap_ok_cancel_buttons)
{
ids[11][1] = RETRO_DEVICE_ID_JOYPAD_A;
ids[12][1] = RETRO_DEVICE_ID_JOYPAD_B;
}
for (i = 0; i < 13; i++)
{
if (current_input->input_state(current_input_data, joypad_info, binds, 0,
RETRO_DEVICE_KEYBOARD, 0, ids[i][0]))
BIT64_SET(ret, ids[i][1]);
}
}
return ret;
}
#endif
/**
* 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 containing a mask of all pressed keys.
*/
uint64_t input_keys_pressed(void *data, uint64_t last_input)
{
unsigned i;
rarch_joypad_info_t joypad_info;
uint64_t ret = 0;
settings_t *settings = (settings_t*)data;
const struct retro_keybind *binds = input_config_binds[0];
const struct retro_keybind *binds_auto = &input_autoconf_binds[0][RARCH_ENABLE_HOTKEY];
const struct retro_keybind *binds_norm = &binds[RARCH_ENABLE_HOTKEY];
const struct retro_keybind *focus_binds_auto = &input_autoconf_binds[0][RARCH_GAME_FOCUS_TOGGLE];
const struct retro_keybind *focus_normal = &binds[RARCH_GAME_FOCUS_TOGGLE];
const struct retro_keybind *enable_hotkey = &input_config_binds[0][RARCH_ENABLE_HOTKEY];
bool game_focus_toggle_valid = false;
joypad_info.joy_idx = settings->uints.input_joypad_map[0];
joypad_info.auto_binds = input_autoconf_binds[joypad_info.joy_idx];
joypad_info.axis_threshold = input_driver_axis_threshold;
input_driver_block_libretro_input = false;
input_driver_block_hotkey = false;
if ( current_input->keyboard_mapping_is_blocked
&& current_input->keyboard_mapping_is_blocked(current_input_data))
input_driver_block_hotkey = true;
if (check_input_driver_block_hotkey(binds_norm, binds_auto))
{
if ( enable_hotkey->valid
&& current_input->input_state(
current_input_data, joypad_info, &binds, 0,
RETRO_DEVICE_JOYPAD, 0, RARCH_ENABLE_HOTKEY))
input_driver_block_libretro_input = true;
else
input_driver_block_hotkey = true;
}
game_focus_toggle_valid = binds[RARCH_GAME_FOCUS_TOGGLE].valid;
/* Allows rarch_focus_toggle hotkey to still work
* even though every hotkey is blocked */
if (check_input_driver_block_hotkey(
focus_normal, focus_binds_auto) && game_focus_toggle_valid)
{
if (current_input->input_state(current_input_data, joypad_info, &binds, 0,
RETRO_DEVICE_JOYPAD, 0, RARCH_GAME_FOCUS_TOGGLE))
input_driver_block_hotkey = false;
}
for (i = 0; i < RARCH_BIND_LIST_END; i++)
{
if (
((!input_driver_block_libretro_input && ((i < RARCH_FIRST_META_KEY)))
|| !input_driver_block_hotkey) &&
binds[i].valid && current_input->input_state(current_input_data,
joypad_info, &binds,
0, RETRO_DEVICE_JOYPAD, 0, i)
)
{
ret |= (UINT64_C(1) << i);
continue;
}
if ((i >= RARCH_FIRST_META_KEY) &&
current_input->meta_key_pressed(current_input_data, i)
)
{
ret |= (UINT64_C(1) << i);
continue;
}
#ifdef HAVE_OVERLAY
if (overlay_ptr &&
input_overlay_key_pressed(overlay_ptr, i))
{
ret |= (UINT64_C(1) << i);
continue;
}
#endif
#ifdef HAVE_COMMAND
if (input_driver_command)
{
command_handle_t handle;
handle.handle = input_driver_command;
handle.id = i;
if (command_get(&handle))
{
ret |= (UINT64_C(1) << i);
continue;
}
}
#endif
#ifdef HAVE_NETWORKGAMEPAD
if (input_driver_remote &&
input_remote_key_pressed(i, 0))
{
ret |= (UINT64_C(1) << i);
continue;
}
#endif
}
return ret;
}
void *input_driver_get_data(void)
{
return current_input_data;
}
void **input_driver_get_data_ptr(void)
{
return (void**)&current_input_data;
}
bool input_driver_has_capabilities(void)
{
if (!current_input->get_capabilities || !current_input_data)
return false;
return true;
}
void input_driver_poll(void)
{
current_input->poll(current_input_data);
}
bool input_driver_init(void)
{
if (current_input)
{
settings_t *settings = config_get_ptr();
current_input_data = current_input->init(settings->arrays.input_joypad_driver);
}
if (!current_input_data)
return false;
return true;
}
void input_driver_deinit(void)
{
if (current_input && current_input->free)
current_input->free(current_input_data);
current_input_data = NULL;
}
void input_driver_destroy_data(void)
{
current_input_data = NULL;
}
void input_driver_destroy(void)
{
input_keyboard_ctl(RARCH_INPUT_KEYBOARD_CTL_DESTROY, NULL);
input_driver_block_hotkey = false;
input_driver_block_libretro_input = false;
input_driver_nonblock_state = false;
input_driver_flushing_input = false;
input_driver_data_own = false;
memset(&input_driver_turbo_btns, 0, sizeof(turbo_buttons_t));
current_input = NULL;
}
bool input_driver_grab_stdin(void)
{
if (!current_input->grab_stdin)
return false;
return current_input->grab_stdin(current_input_data);
}
bool input_driver_keyboard_mapping_is_blocked(void)
{
return current_input->keyboard_mapping_is_blocked(
current_input_data);
}
bool input_driver_find_driver(void)
{
int i;
driver_ctx_info_t drv;
settings_t *settings = config_get_ptr();
drv.label = "input_driver";
drv.s = settings->arrays.input_driver;
driver_ctl(RARCH_DRIVER_CTL_FIND_INDEX, &drv);
i = (int)drv.len;
if (i >= 0)
current_input = (const input_driver_t*)
input_driver_find_handle(i);
else
{
unsigned d;
RARCH_ERR("Couldn't find any input driver named \"%s\"\n",
settings->arrays.input_driver);
RARCH_LOG_OUTPUT("Available input drivers are:\n");
for (d = 0; input_driver_find_handle(d); d++)
RARCH_LOG_OUTPUT("\t%s\n", input_driver_find_ident(d));
RARCH_WARN("Going to default to first input driver...\n");
current_input = (const input_driver_t*)
input_driver_find_handle(0);
if (!current_input)
{
retroarch_fail(1, "find_input_driver()");
return false;
}
}
return true;
}
void input_driver_set_flushing_input(void)
{
input_driver_flushing_input = true;
}
void input_driver_unset_hotkey_block(void)
{
input_driver_block_hotkey = true;
}
void input_driver_set_hotkey_block(void)
{
input_driver_block_hotkey = true;
}
void input_driver_set_libretro_input_blocked(void)
{
input_driver_block_libretro_input = true;
}
void input_driver_unset_libretro_input_blocked(void)
{
input_driver_block_libretro_input = false;
}
bool input_driver_is_libretro_input_blocked(void)
{
return input_driver_block_libretro_input;
}
void input_driver_set_nonblock_state(void)
{
input_driver_nonblock_state = true;
}
void input_driver_unset_nonblock_state(void)
{
input_driver_nonblock_state = false;
}
bool input_driver_is_nonblock_state(void)
{
return input_driver_nonblock_state;
}
void input_driver_set_own_driver(void)
{
input_driver_data_own = true;
}
void input_driver_unset_own_driver(void)
{
input_driver_data_own = false;
}
bool input_driver_owns_driver(void)
{
return input_driver_data_own;
}
bool input_driver_init_command(void)
{
#ifdef HAVE_COMMAND
settings_t *settings = config_get_ptr();
bool stdin_cmd_enable = settings->bools.stdin_cmd_enable;
bool network_cmd_enable = settings->bools.network_cmd_enable;
bool grab_stdin = input_driver_grab_stdin();
if (!stdin_cmd_enable && !network_cmd_enable)
return false;
if (stdin_cmd_enable && grab_stdin)
{
RARCH_WARN("stdin command interface is desired, but input driver has already claimed stdin.\n"
"Cannot use this command interface.\n");
}
input_driver_command = command_new();
if (command_network_new(
input_driver_command,
stdin_cmd_enable && !grab_stdin,
network_cmd_enable,
settings->uints.network_cmd_port))
return true;
RARCH_ERR("Failed to initialize command interface.\n");
#endif
return false;
}
void input_driver_deinit_command(void)
{
#ifdef HAVE_COMMAND
if (input_driver_command)
command_free(input_driver_command);
input_driver_command = NULL;
#endif
}
void input_driver_deinit_remote(void)
{
#ifdef HAVE_NETWORKGAMEPAD
if (input_driver_remote)
input_remote_free(input_driver_remote,
input_driver_max_users);
input_driver_remote = NULL;
#endif
}
bool input_driver_init_remote(void)
{
#ifdef HAVE_NETWORKGAMEPAD
settings_t *settings = config_get_ptr();
if (!settings->bools.network_remote_enable)
return false;
input_driver_remote = input_remote_new(
settings->uints.network_remote_base_port,
input_driver_max_users);
if (input_driver_remote)
return true;
RARCH_ERR("Failed to initialize remote gamepad interface.\n");
#endif
return false;
}
bool input_driver_grab_mouse(void)
{
if (!current_input || !current_input->grab_mouse)
return false;
current_input->grab_mouse(current_input_data, true);
return true;
}
float *input_driver_get_float(enum input_action action)
{
switch (action)
{
case INPUT_ACTION_AXIS_THRESHOLD:
return &input_driver_axis_threshold;
default:
case INPUT_ACTION_NONE:
break;
}
return NULL;
}
unsigned *input_driver_get_uint(enum input_action action)
{
switch (action)
{
case INPUT_ACTION_MAX_USERS:
return &input_driver_max_users;
default:
case INPUT_ACTION_NONE:
break;
}
return NULL;
}
bool input_driver_ungrab_mouse(void)
{
if (!current_input || !current_input->grab_mouse)
return false;
current_input->grab_mouse(current_input_data, false);
return true;
}
bool input_driver_is_data_ptr_same(void *data)
{
return (current_input_data == data);
}
/**
* joypad_driver_find_handle:
* @idx : index of driver to get handle to.
*
* Returns: handle to joypad driver at index. Can be NULL
* if nothing found.
**/
const void *joypad_driver_find_handle(int idx)
{
const void *drv = joypad_drivers[idx];
if (!drv)
return NULL;
return drv;
}
/**
* joypad_driver_find_ident:
* @idx : index of driver to get handle to.
*
* Returns: Human-readable identifier of joypad driver at index. Can be NULL
* if nothing found.
**/
const char *joypad_driver_find_ident(int idx)
{
const input_device_driver_t *drv = joypad_drivers[idx];
if (!drv)
return NULL;
return drv->ident;
}
/**
* config_get_joypad_driver_options:
*
* Get an enumerated list of all joypad driver names, separated by '|'.
*
* Returns: string listing of all joypad driver names, separated by '|'.
**/
const char* config_get_joypad_driver_options(void)
{
return char_list_new_special(STRING_LIST_INPUT_JOYPAD_DRIVERS, NULL);
}
/**
* input_joypad_init_driver:
* @ident : identifier of driver to initialize.
*
* Initialize a joypad driver of name @ident.
*
* If ident points to NULL or a zero-length string,
* equivalent to calling input_joypad_init_first().
*
* Returns: joypad driver if found, otherwise NULL.
**/
const input_device_driver_t *input_joypad_init_driver(
const char *ident, void *data)
{
unsigned i;
if (!ident || !*ident)
return input_joypad_init_first(data);
for (i = 0; joypad_drivers[i]; i++)
{
if (string_is_equal(ident, joypad_drivers[i]->ident)
&& joypad_drivers[i]->init(data))
{
RARCH_LOG("[Joypad]: Found joypad driver: \"%s\".\n",
joypad_drivers[i]->ident);
return joypad_drivers[i];
}
}
return input_joypad_init_first(data);
}
/**
* input_joypad_init_first:
*
* Finds first suitable joypad driver and initializes.
*
* Returns: joypad driver if found, otherwise NULL.
**/
const input_device_driver_t *input_joypad_init_first(void *data)
{
unsigned i;
for (i = 0; joypad_drivers[i]; i++)
{
if (joypad_drivers[i]->init(data))
{
RARCH_LOG("[Joypad]: Found joypad driver: \"%s\".\n",
joypad_drivers[i]->ident);
return joypad_drivers[i];
}
}
return NULL;
}
/**
* input_joypad_name:
* @drv : Input device driver handle.
* @port : Joystick number.
*
* Gets name of the joystick (@port).
*
* Returns: name of joystick #port.
**/
const char *input_joypad_name(const input_device_driver_t *drv,
unsigned port)
{
if (!drv)
return NULL;
return drv->name(port);
}
/**
* input_joypad_set_rumble:
* @drv : Input device driver handle.
* @port : User number.
* @effect : Rumble effect to set.
* @strength : Strength of rumble effect.
*
* Sets rumble effect @effect with strength @strength.
*
* Returns: true (1) if successful, otherwise false (0).
**/
bool input_joypad_set_rumble(const input_device_driver_t *drv,
unsigned port, enum retro_rumble_effect effect, uint16_t strength)
{
unsigned joy_idx = 0;
if (!input_config_get_bind_idx(port, &joy_idx))
return false;
if (!drv || !drv->set_rumble)
return false;
return drv->set_rumble(joy_idx, effect, strength);
}
/**
* input_joypad_is_pressed:
* @drv : Input device driver handle.
* @port : User number.
* @binds : Binds of user.
* @key : Identifier of key.
*
* Checks if key (@key) was being pressed by user
* with number @port with provided keybinds (@binds).
*
* Returns: true (1) if key was pressed, otherwise
* false (0).
**/
bool input_joypad_pressed(
const input_device_driver_t *drv,
rarch_joypad_info_t joypad_info,
unsigned port,
const struct retro_keybind *binds,
unsigned key)
{
/* Auto-binds are per joypad, not per user. */
uint64_t joykey = (binds[key].joykey != NO_BTN)
? binds[key].joykey : joypad_info.auto_binds[key].joykey;
if ((uint16_t)joykey == NO_BTN || !drv->button(joypad_info.joy_idx, (uint16_t)joykey))
{
uint32_t joyaxis = (binds[key].joyaxis != AXIS_NONE)
? binds[key].joyaxis : joypad_info.auto_binds[key].joyaxis;
int16_t axis = drv->axis(joypad_info.joy_idx, joyaxis);
float scaled_axis = (float)abs(axis) / 0x8000;
return scaled_axis > joypad_info.axis_threshold;
}
return true;
}
/**
* input_joypad_analog:
* @drv : Input device driver handle.
* @port : User number.
* @idx : Analog key index.
* E.g.:
* - RETRO_DEVICE_INDEX_ANALOG_LEFT
* - RETRO_DEVICE_INDEX_ANALOG_RIGHT
* @ident : Analog key identifier.
* E.g.:
* - RETRO_DEVICE_ID_ANALOG_X
* - RETRO_DEVICE_ID_ANALOG_Y
* @binds : Binds of user.
*
* Gets analog value of analog key identifiers @idx and @ident
* from user with number @port with provided keybinds (@binds).
*
* Returns: analog value on success, otherwise 0.
**/
int16_t input_joypad_analog(const input_device_driver_t *drv,
rarch_joypad_info_t joypad_info,
unsigned port, unsigned idx, unsigned ident,
const void *binds_data)
{
uint32_t axis_minus, axis_plus;
int16_t pressed_minus, pressed_plus, res;
unsigned ident_minus = 0;
unsigned ident_plus = 0;
const struct retro_keybind *bind_minus = NULL;
const struct retro_keybind *bind_plus = NULL;
const struct retro_keybind *binds = (const struct retro_keybind*)
binds_data;
input_conv_analog_id_to_bind_id(idx, ident, &ident_minus, &ident_plus);
bind_minus = &binds[ident_minus];
bind_plus = &binds[ident_plus];
if (!bind_minus->valid || !bind_plus->valid)
return 0;
axis_minus = bind_minus->joyaxis;
axis_plus = bind_plus->joyaxis;
if (axis_minus == AXIS_NONE)
axis_minus = joypad_info.auto_binds[ident_minus].joyaxis;
if (axis_plus == AXIS_NONE)
axis_plus = joypad_info.auto_binds[ident_plus].joyaxis;
pressed_minus = abs(drv->axis(joypad_info.joy_idx, axis_minus));
pressed_plus = abs(drv->axis(joypad_info.joy_idx, axis_plus));
res = pressed_plus - pressed_minus;
if (res == 0)
{
int16_t digital_left = 0;
int16_t digital_right = 0;
uint64_t key_minus = bind_minus->joykey;
uint64_t key_plus = bind_plus->joykey;
if (key_minus == NO_BTN)
key_minus = joypad_info.auto_binds[ident_minus].joykey;
if (key_plus == NO_BTN)
key_plus = joypad_info.auto_binds[ident_plus].joykey;
if (drv->button(joypad_info.joy_idx, (uint16_t)key_minus))
digital_left = -0x7fff;
if (drv->button(joypad_info.joy_idx, (uint16_t)key_plus))
digital_right = 0x7fff;
return digital_right + digital_left;
}
return res;
}
/**
* input_joypad_axis_raw:
* @drv : Input device driver handle.
* @port : Joystick number.
* @axis : Identifier of axis.
*
* Checks if axis (@axis) was being pressed by user
* with joystick number @port.
*
* Returns: true (1) if axis was pressed, otherwise
* false (0).
**/
int16_t input_joypad_axis_raw(const input_device_driver_t *drv,
unsigned port, unsigned axis)
{
if (!drv)
return 0;
return drv->axis(port, AXIS_POS(axis)) +
drv->axis(port, AXIS_NEG(axis));
}
/**
* input_joypad_button_raw:
* @drv : Input device driver handle.
* @port : Joystick number.
* @button : Identifier of key.
*
* Checks if key (@button) was being pressed by user
* with joystick number @port.
*
* Returns: true (1) if key was pressed, otherwise
* false (0).
**/
bool input_joypad_button_raw(const input_device_driver_t *drv,
unsigned port, unsigned button)
{
if (!drv)
return false;
return drv->button(port, button);
}
bool input_joypad_hat_raw(const input_device_driver_t *drv,
unsigned port, unsigned hat_dir, unsigned hat)
{
if (!drv)
return false;
return drv->button(port, HAT_MAP(hat, hat_dir));
}
/**
* input_conv_analog_id_to_bind_id:
* @idx : Analog key index.
* E.g.:
* - RETRO_DEVICE_INDEX_ANALOG_LEFT
* - RETRO_DEVICE_INDEX_ANALOG_RIGHT
* @ident : Analog key identifier.
* E.g.:
* - RETRO_DEVICE_ID_ANALOG_X
* - RETRO_DEVICE_ID_ANALOG_Y
* @ident_minus : Bind ID minus, will be set by function.
* @ident_plus : Bind ID plus, will be set by function.
*
* Takes as input analog key identifiers and converts
* them to corresponding bind IDs @ident_minus and @ident_plus.
**/
void input_conv_analog_id_to_bind_id(unsigned idx, unsigned ident,
unsigned *ident_minus, unsigned *ident_plus)
{
switch ((idx << 1) | ident)
{
case (RETRO_DEVICE_INDEX_ANALOG_LEFT << 1) | RETRO_DEVICE_ID_ANALOG_X:
*ident_minus = RARCH_ANALOG_LEFT_X_MINUS;
*ident_plus = RARCH_ANALOG_LEFT_X_PLUS;
break;
case (RETRO_DEVICE_INDEX_ANALOG_LEFT << 1) | RETRO_DEVICE_ID_ANALOG_Y:
*ident_minus = RARCH_ANALOG_LEFT_Y_MINUS;
*ident_plus = RARCH_ANALOG_LEFT_Y_PLUS;
break;
case (RETRO_DEVICE_INDEX_ANALOG_RIGHT << 1) | RETRO_DEVICE_ID_ANALOG_X:
*ident_minus = RARCH_ANALOG_RIGHT_X_MINUS;
*ident_plus = RARCH_ANALOG_RIGHT_X_PLUS;
break;
case (RETRO_DEVICE_INDEX_ANALOG_RIGHT << 1) | RETRO_DEVICE_ID_ANALOG_Y:
*ident_minus = RARCH_ANALOG_RIGHT_Y_MINUS;
*ident_plus = RARCH_ANALOG_RIGHT_Y_PLUS;
break;
}
}
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