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RetroArch/input/input_driver.c
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2021-09-13 20:30:22 +02:00

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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 Foundation, 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 <math.h>
#include <string/stdstring.h>
#include <encodings/utf.h>
#include <clamping.h>
#include "input_driver.h"
#include "input_keymaps.h"
#include "input_osk.h"
#ifdef HAVE_NETWORKING
#include <net/net_compat.h>
#include <net/net_socket.h>
#endif
#include "../command.h"
#include "../driver.h"
#include "../retroarch.h"
#include "../verbosity.h"
#include "../configuration.h"
#include "../list_special.h"
#include "../performance_counters.h"
#define HOLD_BTN_DELAY_SEC 2
/**************************************/
static void *input_null_init(const char *joypad_driver) { return (void*)-1; }
static void input_null_poll(void *data) { }
static int16_t input_null_input_state(
void *data,
const input_device_driver_t *joypad,
const input_device_driver_t *sec_joypad,
rarch_joypad_info_t *joypad_info,
const struct retro_keybind **retro_keybinds,
bool keyboard_mapping_blocked,
unsigned port, unsigned device, unsigned index, unsigned id) { return 0; }
static void input_null_free(void *data) { }
static bool input_null_set_sensor_state(void *data, unsigned port,
enum retro_sensor_action action, unsigned rate) { return false; }
static float input_null_get_sensor_input(void *data, unsigned port, unsigned id) { return 0.0; }
static uint64_t input_null_get_capabilities(void *data) { return 0; }
static void input_null_grab_mouse(void *data, bool state) { }
static bool input_null_grab_stdin(void *data) { return false; }
static input_driver_t input_null = {
input_null_init,
input_null_poll,
input_null_input_state,
input_null_free,
input_null_set_sensor_state,
input_null_get_sensor_input,
input_null_get_capabilities,
"null",
input_null_grab_mouse,
input_null_grab_stdin
};
static input_device_driver_t null_joypad = {
NULL, /* init */
NULL, /* query_pad */
NULL, /* destroy */
NULL, /* button */
NULL, /* state */
NULL, /* get_buttons */
NULL, /* axis */
NULL, /* poll */
NULL, /* rumble */
NULL, /* rumble_gain */
NULL, /* name */
"null",
};
#ifdef HAVE_HID
static bool null_hid_joypad_query(void *data, unsigned pad) {
return pad < MAX_USERS; }
static const char *null_hid_joypad_name(
void *data, unsigned pad) { return NULL; }
static void null_hid_joypad_get_buttons(void *data,
unsigned port, input_bits_t *state) { BIT256_CLEAR_ALL_PTR(state); }
static int16_t null_hid_joypad_button(
void *data, unsigned port, uint16_t joykey) { return 0; }
static bool null_hid_joypad_rumble(void *data, unsigned pad,
enum retro_rumble_effect effect, uint16_t strength) { return false; }
static int16_t null_hid_joypad_axis(
void *data, unsigned port, uint32_t joyaxis) { return 0; }
static void *null_hid_init(void) { return (void*)-1; }
static void null_hid_free(const void *data) { }
static void null_hid_poll(void *data) { }
static int16_t null_hid_joypad_state(
void *data,
rarch_joypad_info_t *joypad_info,
const void *binds_data,
unsigned port) { return 0; }
static hid_driver_t null_hid = {
null_hid_init, /* init */
null_hid_joypad_query, /* joypad_query */
null_hid_free, /* free */
null_hid_joypad_button, /* button */
null_hid_joypad_state, /* state */
null_hid_joypad_get_buttons, /* get_buttons */
null_hid_joypad_axis, /* axis */
null_hid_poll, /* poll */
null_hid_joypad_rumble, /* rumble */
null_hid_joypad_name, /* joypad_name */
"null",
};
#endif
input_device_driver_t *joypad_drivers[] = {
#ifdef HAVE_XINPUT
&xinput_joypad,
#endif
#ifdef GEKKO
&gx_joypad,
#endif
#ifdef WIIU
&wiiu_joypad,
#endif
#ifdef _XBOX1
&xdk_joypad,
#endif
#if defined(ORBIS)
&ps4_joypad,
#endif
#if defined(__PSL1GHT__) || defined(__PS3__)
&ps3_joypad,
#endif
#if defined(PSP) || defined(VITA)
&psp_joypad,
#endif
#if defined(PS2)
&ps2_joypad,
#endif
#ifdef _3DS
&ctr_joypad,
#endif
#ifdef SWITCH
&switch_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
#if defined(DINGUX) && defined(HAVE_SDL_DINGUX)
&sdl_dingux_joypad,
#endif
#ifdef __QNX__
&qnx_joypad,
#endif
#ifdef HAVE_MFI
&mfi_joypad,
#endif
#ifdef DJGPP
&dos_joypad,
#endif
/* Selecting the HID gamepad driver disables the Wii U gamepad. So while
* we want the HID code to be compiled & linked, we don't want the driver
* to be selectable in the UI. */
#if defined(HAVE_HID) && !defined(WIIU)
&hid_joypad,
#endif
#ifdef EMSCRIPTEN
&rwebpad_joypad,
#endif
&null_joypad,
NULL,
};
input_driver_t *input_drivers[] = {
#ifdef ORBIS
&input_ps4,
#endif
#if defined(__PSL1GHT__) || defined(__PS3__)
&input_ps3,
#endif
#if defined(SN_TARGET_PSP2) || defined(PSP) || defined(VITA)
&input_psp,
#endif
#if defined(PS2)
&input_ps2,
#endif
#if defined(_3DS)
&input_ctr,
#endif
#if defined(SWITCH)
&input_switch,
#endif
#if defined(HAVE_SDL) || defined(HAVE_SDL2)
&input_sdl,
#endif
#if defined(DINGUX) && defined(HAVE_SDL_DINGUX)
&input_sdl_dingux,
#endif
#ifdef HAVE_DINPUT
&input_dinput,
#endif
#ifdef HAVE_X11
&input_x,
#endif
#ifdef __WINRT__
&input_uwp,
#endif
#ifdef XENON
&input_xenon360,
#endif
#if defined(HAVE_XINPUT2) || defined(HAVE_XINPUT_XBOX1) || defined(__WINRT__)
&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) || defined(HAVE_COCOA_METAL)
&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 && !defined(__WINRT__)
#ifdef HAVE_WINRAWINPUT
/* winraw only available since XP */
&input_winraw,
#endif
#endif
&input_null,
NULL,
};
#ifdef HAVE_HID
hid_driver_t *hid_drivers[] = {
#if defined(HAVE_BTSTACK)
&btstack_hid,
#endif
#if defined(__APPLE__) && defined(HAVE_IOHIDMANAGER)
&iohidmanager_hid,
#endif
#if defined(HAVE_LIBUSB) && defined(HAVE_THREADS)
&libusb_hid,
#endif
#ifdef HW_RVL
&wiiusb_hid,
#endif
&null_hid,
NULL,
};
#endif
/**************************************/
/* private function prototypes */
static const input_device_driver_t *input_joypad_init_first(void *data);
/**************************************/
bool input_driver_set_rumble(
input_driver_state_t *driver_state, unsigned port, unsigned joy_idx,
enum retro_rumble_effect effect, uint16_t strength)
{
const input_device_driver_t *primary_joypad;
const input_device_driver_t *sec_joypad;
bool rumble_state = false;
if (!driver_state || (joy_idx >= MAX_USERS))
return false;
primary_joypad = driver_state->primary_joypad;
sec_joypad = driver_state->secondary_joypad;
if (primary_joypad && primary_joypad->set_rumble)
rumble_state = primary_joypad->set_rumble(joy_idx, effect, strength);
/* if sec_joypad exists, this set_rumble() return value will replace primary_joypad's return */
if (sec_joypad && sec_joypad->set_rumble)
rumble_state = sec_joypad->set_rumble(joy_idx, effect, strength);
return rumble_state;
}
/**************************************/
bool input_driver_set_rumble_gain(
input_driver_state_t *driver_state, unsigned gain,
unsigned input_max_users)
{
unsigned i;
if (driver_state->primary_joypad
&& driver_state->primary_joypad->set_rumble_gain)
{
for (i = 0; i < input_max_users; i++)
driver_state->primary_joypad->set_rumble_gain(i, gain);
return true;
}
else
return false;
}
/**************************************/
bool input_driver_set_sensor(
input_driver_state_t *driver_state, unsigned port, bool sensors_enable,
enum retro_sensor_action action, unsigned rate)
{
const input_driver_t *current_driver;
void *current_data;
if (!driver_state || !driver_state->current_data)
return false;
current_driver = driver_state->current_driver;
current_data = driver_state->current_data;
/* If sensors are disabled, inhibit any enable
* actions (but always allow disable actions) */
if (!sensors_enable &&
((action == RETRO_SENSOR_ACCELEROMETER_ENABLE) ||
(action == RETRO_SENSOR_GYROSCOPE_ENABLE) ||
(action == RETRO_SENSOR_ILLUMINANCE_ENABLE)))
return false;
if (current_driver && current_driver->set_sensor_state)
return current_driver->set_sensor_state(current_data,
port, action, rate);
return false;
}
/**************************************/
float input_driver_get_sensor(
input_driver_state_t *driver_state,
unsigned port, bool sensors_enable, unsigned id)
{
const input_driver_t *current_driver;
void *current_data;
if (!driver_state || !driver_state->current_data)
return 0.0f;
current_driver = driver_state->current_driver;
current_data = driver_state->current_data;
if (sensors_enable && current_driver->get_sensor_input)
return current_driver->get_sensor_input(current_data, port, id);
return 0.0f;
}
const input_device_driver_t *input_joypad_init_driver(
const char *ident, void *data)
{
unsigned i;
if (ident && *ident)
{
for (i = 0; joypad_drivers[i]; i++)
{
if (string_is_equal(ident, joypad_drivers[i]->ident)
&& joypad_drivers[i]->init)
{
void *ptr = joypad_drivers[i]->init(data);
if (ptr)
{
RARCH_LOG("[Joypad]: Found joypad driver: \"%s\".\n",
joypad_drivers[i]->ident);
return joypad_drivers[i];
}
}
}
}
return input_joypad_init_first(data); /* fall back to first available driver */
}
/**
* Finds first suitable joypad driver and initializes. Used as a fallback by
* input_joypad_init_driver when no matching driver is found.
*
* @param data joypad state data pointer, which can be NULL and will be
* initialized by the new joypad driver, if one is found.
*
* @return joypad driver if found and initialized, otherwise NULL.
**/
static const input_device_driver_t *input_joypad_init_first(void *data)
{
unsigned i;
for (i = 0; joypad_drivers[i]; i++)
{
if ( joypad_drivers[i]
&& joypad_drivers[i]->init)
{
void *ptr = joypad_drivers[i]->init(data);
if (ptr)
{
RARCH_LOG("[Joypad]: Found joypad driver: \"%s\".\n",
joypad_drivers[i]->ident);
return joypad_drivers[i];
}
}
}
return NULL;
}
bool input_driver_toggle_button_combo(
unsigned mode,
retro_time_t current_time,
input_bits_t* p_input)
{
switch (mode)
{
case INPUT_TOGGLE_DOWN_Y_L_R:
if (BIT256_GET_PTR(p_input, RETRO_DEVICE_ID_JOYPAD_DOWN) &&
BIT256_GET_PTR(p_input, RETRO_DEVICE_ID_JOYPAD_Y) &&
BIT256_GET_PTR(p_input, RETRO_DEVICE_ID_JOYPAD_L) &&
BIT256_GET_PTR(p_input, RETRO_DEVICE_ID_JOYPAD_R))
return true;
break;
case INPUT_TOGGLE_L3_R3:
if (BIT256_GET_PTR(p_input, RETRO_DEVICE_ID_JOYPAD_L3) &&
BIT256_GET_PTR(p_input, RETRO_DEVICE_ID_JOYPAD_R3))
return true;
break;
case INPUT_TOGGLE_L1_R1_START_SELECT:
if (BIT256_GET_PTR(p_input, RETRO_DEVICE_ID_JOYPAD_L) &&
BIT256_GET_PTR(p_input, RETRO_DEVICE_ID_JOYPAD_R) &&
BIT256_GET_PTR(p_input, RETRO_DEVICE_ID_JOYPAD_START) &&
BIT256_GET_PTR(p_input, RETRO_DEVICE_ID_JOYPAD_SELECT))
return true;
break;
case INPUT_TOGGLE_START_SELECT:
if (BIT256_GET_PTR(p_input, RETRO_DEVICE_ID_JOYPAD_START) &&
BIT256_GET_PTR(p_input, RETRO_DEVICE_ID_JOYPAD_SELECT))
return true;
break;
case INPUT_TOGGLE_L3_R:
if (BIT256_GET_PTR(p_input, RETRO_DEVICE_ID_JOYPAD_L3) &&
BIT256_GET_PTR(p_input, RETRO_DEVICE_ID_JOYPAD_R))
return true;
break;
case INPUT_TOGGLE_L_R:
if (BIT256_GET_PTR(p_input, RETRO_DEVICE_ID_JOYPAD_L) &&
BIT256_GET_PTR(p_input, RETRO_DEVICE_ID_JOYPAD_R))
return true;
break;
case INPUT_TOGGLE_DOWN_SELECT:
if (BIT256_GET_PTR(p_input, RETRO_DEVICE_ID_JOYPAD_DOWN) &&
BIT256_GET_PTR(p_input, RETRO_DEVICE_ID_JOYPAD_SELECT))
return true;
break;
case INPUT_TOGGLE_L2_R2:
if (BIT256_GET_PTR(p_input, RETRO_DEVICE_ID_JOYPAD_L2) &&
BIT256_GET_PTR(p_input, RETRO_DEVICE_ID_JOYPAD_R2))
return true;
break;
case INPUT_TOGGLE_HOLD_START:
{
static rarch_timer_t timer = {0};
if (!BIT256_GET_PTR(p_input, RETRO_DEVICE_ID_JOYPAD_START))
{
/* timer only runs while start is held down */
timer.timer_end = true;
timer.timer_begin = false;
timer.timeout_end = 0;
return false;
}
/* User started holding down the start button, start the timer */
if (!timer.timer_begin)
{
uint64_t current_usec = cpu_features_get_time_usec();
timer.timeout_us = HOLD_BTN_DELAY_SEC * 1000000;
timer.current = current_usec;
timer.timeout_end = timer.current + timer.timeout_us;
timer.timer_begin = true;
timer.timer_end = false;
}
timer.current = current_time;
timer.timeout_us = (timer.timeout_end - timer.current);
if (!timer.timer_end && (timer.timeout_us <= 0))
{
/* start has been held down long enough,
* stop timer and enter menu */
timer.timer_end = true;
timer.timer_begin = false;
timer.timeout_end = 0;
return true;
}
return false;
}
case INPUT_TOGGLE_HOLD_SELECT:
{
static rarch_timer_t timer = {0};
if (!BIT256_GET_PTR(p_input, RETRO_DEVICE_ID_JOYPAD_SELECT))
{
/* timer only runs while select is held down */
timer.timer_end = true;
timer.timer_begin = false;
timer.timeout_end = 0;
return false;
}
/* user started holding down the select button, start the timer */
if (!timer.timer_begin)
{
uint64_t current_usec = cpu_features_get_time_usec();
timer.timeout_us = HOLD_BTN_DELAY_SEC * 1000000;
timer.current = current_usec;
timer.timeout_end = timer.current + timer.timeout_us;
timer.timer_begin = true;
timer.timer_end = false;
}
timer.current = current_time;
timer.timeout_us = (timer.timeout_end - timer.current);
if (!timer.timer_end && (timer.timeout_us <= 0))
{
/* select has been held down long enough,
* stop timer and enter menu */
timer.timer_end = true;
timer.timer_begin = false;
timer.timeout_end = 0;
return true;
}
return false;
}
default:
case INPUT_TOGGLE_NONE:
break;
}
return false;
}
int16_t input_state_wrap(
input_driver_t *current_input,
void *data,
const input_device_driver_t *joypad,
const input_device_driver_t *sec_joypad,
rarch_joypad_info_t *joypad_info,
const struct retro_keybind **binds,
bool keyboard_mapping_blocked,
unsigned _port,
unsigned device,
unsigned idx,
unsigned id)
{
int16_t ret = 0;
/* Do a bitwise OR to combine input states together */
if (device == RETRO_DEVICE_JOYPAD)
{
if (id == RETRO_DEVICE_ID_JOYPAD_MASK)
{
if (joypad)
ret |= joypad->state(
joypad_info, binds[_port], _port);
if (sec_joypad)
ret |= sec_joypad->state(
joypad_info, binds[_port], _port);
}
else
{
/* Do a bitwise OR to combine both input
* states together */
if (binds[_port][id].valid)
{
/* Auto-binds are per joypad, not per user. */
const uint64_t bind_joykey = binds[_port][id].joykey;
const uint64_t bind_joyaxis = binds[_port][id].joyaxis;
const uint64_t autobind_joykey = joypad_info->auto_binds[id].joykey;
const uint64_t autobind_joyaxis= joypad_info->auto_binds[id].joyaxis;
uint16_t port = joypad_info->joy_idx;
float axis_threshold = joypad_info->axis_threshold;
const uint64_t joykey = (bind_joykey != NO_BTN)
? bind_joykey : autobind_joykey;
const uint32_t joyaxis = (bind_joyaxis != AXIS_NONE)
? bind_joyaxis : autobind_joyaxis;
if (joypad)
{
if ((uint16_t)joykey != NO_BTN && joypad->button(
port, (uint16_t)joykey))
return 1;
if (joyaxis != AXIS_NONE &&
((float)abs(joypad->axis(port, joyaxis))
/ 0x8000) > axis_threshold)
return 1;
}
if (sec_joypad)
{
if ((uint16_t)joykey != NO_BTN && sec_joypad->button(
port, (uint16_t)joykey))
return 1;
if (joyaxis != AXIS_NONE &&
((float)abs(sec_joypad->axis(port, joyaxis))
/ 0x8000) > axis_threshold)
return 1;
}
}
}
}
if (current_input && current_input->input_state)
ret |= current_input->input_state(
data,
joypad,
sec_joypad,
joypad_info,
binds,
keyboard_mapping_blocked,
_port,
device,
idx,
id);
return ret;
}
int16_t input_joypad_axis(
float input_analog_deadzone,
float input_analog_sensitivity,
const input_device_driver_t *drv,
unsigned port, uint32_t joyaxis, float normal_mag)
{
int16_t val = (joyaxis != AXIS_NONE) ? drv->axis(port, joyaxis) : 0;
if (input_analog_deadzone)
{
/* if analog value is below the deadzone, ignore it
* normal magnitude is calculated radially for analog sticks
* and linearly for analog buttons */
if (normal_mag <= input_analog_deadzone)
return 0;
/* due to the way normal_mag is calculated differently for buttons and
* sticks, this results in either a radial scaled deadzone for sticks
* or linear scaled deadzone for analog buttons */
val = val * MAX(1.0f,(1.0f / normal_mag)) * MIN(1.0f,
((normal_mag - input_analog_deadzone)
/ (1.0f - input_analog_deadzone)));
}
if (input_analog_sensitivity != 1.0f)
{
float normalized = (1.0f / 0x7fff) * val;
int new_val = 0x7fff * normalized *
input_analog_sensitivity;
if (new_val > 0x7fff)
return 0x7fff;
else if (new_val < -0x7fff)
return -0x7fff;
return new_val;
}
return val;
}
int16_t input_joypad_analog_button(
float input_analog_deadzone,
float input_analog_sensitivity,
const input_device_driver_t *drv,
rarch_joypad_info_t *joypad_info,
unsigned ident,
const struct retro_keybind *bind)
{
int16_t res = 0;
float normal_mag = 0.0f;
uint32_t axis = (bind->joyaxis == AXIS_NONE)
? joypad_info->auto_binds[ident].joyaxis
: bind->joyaxis;
/* Analog button. */
if (input_analog_deadzone)
{
int16_t mult = 0;
if (axis != AXIS_NONE)
if ((mult = drv->axis(
joypad_info->joy_idx, axis)) != 0)
normal_mag = fabs((1.0f / 0x7fff) * mult);
}
/* If the result is zero, it's got a digital button
* attached to it instead */
if ((res = abs(input_joypad_axis(
input_analog_deadzone,
input_analog_sensitivity,
drv,
joypad_info->joy_idx, axis, normal_mag))) == 0)
{
uint16_t key = (bind->joykey == NO_BTN)
? joypad_info->auto_binds[ident].joykey
: bind->joykey;
if (drv->button(joypad_info->joy_idx, key))
return 0x7fff;
return 0;
}
return res;
}
int16_t input_joypad_analog_axis(
unsigned input_analog_dpad_mode,
float input_analog_deadzone,
float input_analog_sensitivity,
const input_device_driver_t *drv,
rarch_joypad_info_t *joypad_info,
unsigned idx,
unsigned ident,
const struct retro_keybind *binds)
{
int16_t res = 0;
/* Analog sticks. Either RETRO_DEVICE_INDEX_ANALOG_LEFT
* or RETRO_DEVICE_INDEX_ANALOG_RIGHT */
unsigned ident_minus = 0;
unsigned ident_plus = 0;
unsigned ident_x_minus = 0;
unsigned ident_x_plus = 0;
unsigned ident_y_minus = 0;
unsigned ident_y_plus = 0;
const struct retro_keybind *bind_minus = NULL;
const struct retro_keybind *bind_plus = NULL;
const struct retro_keybind *bind_x_minus = NULL;
const struct retro_keybind *bind_x_plus = NULL;
const struct retro_keybind *bind_y_minus = NULL;
const struct retro_keybind *bind_y_plus = NULL;
/* Skip analog input with analog_dpad_mode */
switch (input_analog_dpad_mode)
{
case ANALOG_DPAD_LSTICK:
if (idx == RETRO_DEVICE_INDEX_ANALOG_LEFT)
return 0;
break;
case ANALOG_DPAD_RSTICK:
if (idx == RETRO_DEVICE_INDEX_ANALOG_RIGHT)
return 0;
break;
default:
break;
}
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;
input_conv_analog_id_to_bind_id(idx,
RETRO_DEVICE_ID_ANALOG_X, ident_x_minus, ident_x_plus);
bind_x_minus = &binds[ident_x_minus];
bind_x_plus = &binds[ident_x_plus];
if (!bind_x_minus->valid || !bind_x_plus->valid)
return 0;
input_conv_analog_id_to_bind_id(idx,
RETRO_DEVICE_ID_ANALOG_Y, ident_y_minus, ident_y_plus);
bind_y_minus = &binds[ident_y_minus];
bind_y_plus = &binds[ident_y_plus];
if (!bind_y_minus->valid || !bind_y_plus->valid)
return 0;
{
uint32_t axis_minus = (bind_minus->joyaxis == AXIS_NONE)
? joypad_info->auto_binds[ident_minus].joyaxis
: bind_minus->joyaxis;
uint32_t axis_plus = (bind_plus->joyaxis == AXIS_NONE)
? joypad_info->auto_binds[ident_plus].joyaxis
: bind_plus->joyaxis;
float normal_mag = 0.0f;
/* normalized magnitude of stick actuation, needed for scaled
* radial deadzone */
if (input_analog_deadzone)
{
float x = 0.0f;
float y = 0.0f;
uint32_t x_axis_minus = (bind_x_minus->joyaxis == AXIS_NONE)
? joypad_info->auto_binds[ident_x_minus].joyaxis
: bind_x_minus->joyaxis;
uint32_t x_axis_plus = (bind_x_plus->joyaxis == AXIS_NONE)
? joypad_info->auto_binds[ident_x_plus].joyaxis
: bind_x_plus->joyaxis;
uint32_t y_axis_minus = (bind_y_minus->joyaxis == AXIS_NONE)
? joypad_info->auto_binds[ident_y_minus].joyaxis
: bind_y_minus->joyaxis;
uint32_t y_axis_plus = (bind_y_plus->joyaxis == AXIS_NONE)
? joypad_info->auto_binds[ident_y_plus].joyaxis
: bind_y_plus->joyaxis;
/* normalized magnitude for radial scaled analog deadzone */
if (x_axis_plus != AXIS_NONE)
x = drv->axis(
joypad_info->joy_idx, x_axis_plus);
if (x_axis_minus != AXIS_NONE)
x += drv->axis(joypad_info->joy_idx,
x_axis_minus);
if (y_axis_plus != AXIS_NONE)
y = drv->axis(
joypad_info->joy_idx, y_axis_plus);
if (y_axis_minus != AXIS_NONE)
y += drv->axis(
joypad_info->joy_idx, y_axis_minus);
normal_mag = (1.0f / 0x7fff) * sqrt(x * x + y * y);
}
res = abs(
input_joypad_axis(
input_analog_deadzone,
input_analog_sensitivity,
drv, joypad_info->joy_idx,
axis_plus, normal_mag));
res -= abs(
input_joypad_axis(
input_analog_deadzone,
input_analog_sensitivity,
drv, joypad_info->joy_idx,
axis_minus, normal_mag));
}
if (res == 0)
{
uint16_t key_minus = (bind_minus->joykey == NO_BTN)
? joypad_info->auto_binds[ident_minus].joykey
: bind_minus->joykey;
uint16_t key_plus = (bind_plus->joykey == NO_BTN)
? joypad_info->auto_binds[ident_plus].joykey
: bind_plus->joykey;
if (drv->button(joypad_info->joy_idx, key_plus))
res = 0x7fff;
if (drv->button(joypad_info->joy_idx, key_minus))
res += -0x7fff;
}
return res;
}
bool input_keyboard_line_append(
struct input_keyboard_line *keyboard_line,
const char *word)
{
unsigned i = 0;
unsigned len = (unsigned)strlen(word);
char *newbuf = (char*)realloc(
keyboard_line->buffer,
keyboard_line->size + len * 2);
if (!newbuf)
return false;
memmove(
newbuf + keyboard_line->ptr + len,
newbuf + keyboard_line->ptr,
keyboard_line->size - keyboard_line->ptr + len);
for (i = 0; i < len; i++)
{
newbuf[keyboard_line->ptr]= word[i];
keyboard_line->ptr++;
keyboard_line->size++;
}
newbuf[keyboard_line->size] = '\0';
keyboard_line->buffer = newbuf;
return true;
}
const char **input_keyboard_start_line(
void *userdata,
struct input_keyboard_line *keyboard_line,
input_keyboard_line_complete_t cb)
{
keyboard_line->buffer = NULL;
keyboard_line->ptr = 0;
keyboard_line->size = 0;
keyboard_line->cb = cb;
keyboard_line->userdata = userdata;
keyboard_line->enabled = true;
return (const char**)&keyboard_line->buffer;
}
#if defined(HAVE_NETWORKING) && defined(HAVE_NETWORKGAMEPAD)
static bool input_remote_init_network(input_remote_t *handle,
uint16_t port, unsigned user)
{
int fd;
struct addrinfo *res = NULL;
port = port + user;
if (!network_init())
return false;
RARCH_LOG("Bringing up remote interface on port %hu.\n",
(unsigned short)port);
fd = socket_init((void**)&res, port, NULL, SOCKET_TYPE_DATAGRAM);
if (fd < 0)
goto error;
handle->net_fd[user] = fd;
if (!socket_nonblock(handle->net_fd[user]))
goto error;
if (!socket_bind(handle->net_fd[user], res))
{
RARCH_ERR("%s\n", msg_hash_to_str(MSG_FAILED_TO_BIND_SOCKET));
goto error;
}
freeaddrinfo_retro(res);
return true;
error:
if (res)
freeaddrinfo_retro(res);
return false;
}
void input_remote_free(input_remote_t *handle, unsigned max_users)
{
unsigned user;
for (user = 0; user < max_users; user ++)
socket_close(handle->net_fd[user]);
free(handle);
}
static input_remote_t *input_remote_new(
settings_t *settings,
uint16_t port, unsigned max_users)
{
unsigned user;
input_remote_t *handle = (input_remote_t*)
calloc(1, sizeof(*handle));
if (!handle)
return NULL;
for (user = 0; user < max_users; user ++)
{
handle->net_fd[user] = -1;
if (settings->bools.network_remote_enable_user[user])
if (!input_remote_init_network(handle, port, user))
{
input_remote_free(handle, max_users);
return NULL;
}
}
return handle;
}
void input_remote_parse_packet(
input_remote_state_t *input_state,
struct remote_message *msg, unsigned user)
{
/* Parse message */
switch (msg->device)
{
case RETRO_DEVICE_JOYPAD:
input_state->buttons[user] &= ~(1 << msg->id);
if (msg->state)
input_state->buttons[user] |= 1 << msg->id;
break;
case RETRO_DEVICE_ANALOG:
input_state->analog[msg->index * 2 + msg->id][user] = msg->state;
break;
}
}
input_remote_t *input_driver_init_remote(
settings_t *settings,
unsigned num_active_users)
{
unsigned network_remote_base_port = settings->uints.network_remote_base_port;
return input_remote_new(
settings,
network_remote_base_port,
num_active_users);
}
#endif
#ifdef HAVE_OVERLAY
bool input_overlay_add_inputs_inner(overlay_desc_t *desc,
input_overlay_state_t *ol_state, unsigned port)
{
switch(desc->type)
{
case OVERLAY_TYPE_BUTTONS:
{
unsigned i;
bool all_buttons_pressed = false;
/* Check each bank of the mask */
for (i = 0; i < ARRAY_SIZE(desc->button_mask.data); ++i)
{
/* Get bank */
uint32_t bank_mask = BITS_GET_ELEM(desc->button_mask,i);
unsigned id = i * 32;
/* Worth pursuing? Have we got any bits left in here? */
while (bank_mask)
{
/* If this bit is set then we need to query the pad
* The button must be pressed.*/
if (bank_mask & 1)
{
/* Light up the button if pressed */
if (ol_state ?
!BIT256_GET(ol_state->buttons, id) :
!input_state_internal(port, RETRO_DEVICE_JOYPAD, 0, id))
{
/* We need ALL of the inputs to be active,
* abort. */
desc->updated = false;
return false;
}
all_buttons_pressed = true;
desc->updated = true;
}
bank_mask >>= 1;
++id;
}
}
return all_buttons_pressed;
}
case OVERLAY_TYPE_ANALOG_LEFT:
case OVERLAY_TYPE_ANALOG_RIGHT:
{
float analog_x;
float analog_y;
float dx;
float dy;
if (ol_state)
{
unsigned index_offset = (desc->type == OVERLAY_TYPE_ANALOG_RIGHT) ? 2 : 0;
analog_x = (float)ol_state->analog[index_offset];
analog_y = (float)ol_state->analog[index_offset + 1];
}
else
{
unsigned index = (desc->type == OVERLAY_TYPE_ANALOG_RIGHT) ?
RETRO_DEVICE_INDEX_ANALOG_RIGHT : RETRO_DEVICE_INDEX_ANALOG_LEFT;
analog_x = input_state_internal(port, RETRO_DEVICE_ANALOG,
index, RETRO_DEVICE_ID_ANALOG_X);
analog_y = input_state_internal(port, RETRO_DEVICE_ANALOG,
index, RETRO_DEVICE_ID_ANALOG_Y);
}
dx = (analog_x / (float)0x8000) * (desc->range_x / 2.0f);
dy = (analog_y / (float)0x8000) * (desc->range_y / 2.0f);
/* Only modify overlay delta_x/delta_y values
* if we are monitoring input from a physical
* controller */
if (!ol_state)
{
desc->delta_x = dx;
desc->delta_y = dy;
}
/* Maybe use some option here instead of 0, only display
* changes greater than some magnitude */
if ((dx * dx) > 0 || (dy * dy) > 0)
return true;
}
break;
case OVERLAY_TYPE_KEYBOARD:
if (ol_state ?
OVERLAY_GET_KEY(ol_state, desc->retro_key_idx) :
input_state_internal(port, RETRO_DEVICE_KEYBOARD, 0, desc->retro_key_idx))
{
desc->updated = true;
return true;
}
break;
default:
break;
}
return false;
}
bool input_overlay_add_inputs(input_overlay_t *ol,
bool show_touched, unsigned port)
{
unsigned i;
bool button_pressed = false;
input_overlay_state_t *ol_state = &ol->overlay_state;
if (!ol_state)
return false;
for (i = 0; i < ol->active->size; i++)
{
overlay_desc_t *desc = &(ol->active->descs[i]);
button_pressed |= input_overlay_add_inputs_inner(desc,
show_touched ? ol_state : NULL, port);
}
return button_pressed;
}
/**
* inside_hitbox:
* @desc : Overlay descriptor handle.
* @x : X coordinate value.
* @y : Y coordinate value.
*
* Check whether the given @x and @y coordinates of the overlay
* descriptor @desc is inside the overlay descriptor's hitbox.
*
* Returns: true (1) if X, Y coordinates are inside a hitbox,
* otherwise false (0).
**/
static bool inside_hitbox(const struct overlay_desc *desc, float x, float y)
{
if (!desc)
return false;
switch (desc->hitbox)
{
case OVERLAY_HITBOX_RADIAL:
{
/* Ellipsis. */
float x_dist = (x - desc->x_shift) / desc->range_x_mod;
float y_dist = (y - desc->y_shift) / desc->range_y_mod;
float sq_dist = x_dist * x_dist + y_dist * y_dist;
return (sq_dist <= 1.0f);
}
case OVERLAY_HITBOX_RECT:
return
(fabs(x - desc->x_shift) <= desc->range_x_mod) &&
(fabs(y - desc->y_shift) <= desc->range_y_mod);
}
return false;
}
/**
* input_overlay_poll:
* @out : Polled output data.
* @norm_x : Normalized X coordinate.
* @norm_y : Normalized Y coordinate.
*
* Polls input overlay.
*
* @norm_x and @norm_y are the result of
* input_translate_coord_viewport().
**/
void input_overlay_poll(
input_overlay_t *ol,
input_overlay_state_t *out,
int16_t norm_x, int16_t norm_y, float touch_scale)
{
size_t i;
/* norm_x and norm_y is in [-0x7fff, 0x7fff] range,
* like RETRO_DEVICE_POINTER. */
float x = (float)(norm_x + 0x7fff) / 0xffff;
float y = (float)(norm_y + 0x7fff) / 0xffff;
x -= ol->active->mod_x;
y -= ol->active->mod_y;
x /= ol->active->mod_w;
y /= ol->active->mod_h;
x *= touch_scale;
y *= touch_scale;
for (i = 0; i < ol->active->size; i++)
{
float x_dist, y_dist;
unsigned int base = 0;
struct overlay_desc *desc = &ol->active->descs[i];
if (!inside_hitbox(desc, x, y))
continue;
desc->updated = true;
x_dist = x - desc->x_shift;
y_dist = y - desc->y_shift;
switch (desc->type)
{
case OVERLAY_TYPE_BUTTONS:
bits_or_bits(out->buttons.data,
desc->button_mask.data,
ARRAY_SIZE(desc->button_mask.data));
if (BIT256_GET(desc->button_mask, RARCH_OVERLAY_NEXT))
ol->next_index = desc->next_index;
break;
case OVERLAY_TYPE_KEYBOARD:
if (desc->retro_key_idx < RETROK_LAST)
OVERLAY_SET_KEY(out, desc->retro_key_idx);
break;
case OVERLAY_TYPE_ANALOG_RIGHT:
base = 2;
/* fall-through */
default:
{
float x_val = x_dist / desc->range_x;
float y_val = y_dist / desc->range_y;
float x_val_sat = x_val / desc->analog_saturate_pct;
float y_val_sat = y_val / desc->analog_saturate_pct;
out->analog[base + 0] = clamp_float(x_val_sat, -1.0f, 1.0f)
* 32767.0f;
out->analog[base + 1] = clamp_float(y_val_sat, -1.0f, 1.0f)
* 32767.0f;
}
break;
}
if (desc->movable)
{
desc->delta_x = clamp_float(x_dist, -desc->range_x, desc->range_x)
* ol->active->mod_w;
desc->delta_y = clamp_float(y_dist, -desc->range_y, desc->range_y)
* ol->active->mod_h;
}
}
if (!bits_any_set(out->buttons.data, ARRAY_SIZE(out->buttons.data)))
ol->blocked = false;
else if (ol->blocked)
memset(out, 0, sizeof(*out));
}
/**
* input_overlay_update_desc_geom:
* @ol : overlay handle.
* @desc : overlay descriptors handle.
*
* Update input overlay descriptors' vertex geometry.
**/
static void input_overlay_update_desc_geom(input_overlay_t *ol,
struct overlay_desc *desc)
{
if (!desc->image.pixels || !desc->movable)
return;
if (ol->iface->vertex_geom)
ol->iface->vertex_geom(ol->iface_data, desc->image_index,
desc->mod_x + desc->delta_x, desc->mod_y + desc->delta_y,
desc->mod_w, desc->mod_h);
desc->delta_x = 0.0f;
desc->delta_y = 0.0f;
}
void input_overlay_post_poll(
enum overlay_visibility *visibility,
input_overlay_t *ol,
bool show_input, float opacity)
{
size_t i;
input_overlay_set_alpha_mod(visibility, ol, opacity);
for (i = 0; i < ol->active->size; i++)
{
struct overlay_desc *desc = &ol->active->descs[i];
desc->range_x_mod = desc->range_x;
desc->range_y_mod = desc->range_y;
if (desc->updated)
{
/* If pressed this frame, change the hitbox. */
desc->range_x_mod *= desc->range_mod;
desc->range_y_mod *= desc->range_mod;
if (show_input && desc->image.pixels)
{
if (ol->iface->set_alpha)
ol->iface->set_alpha(ol->iface_data, desc->image_index,
desc->alpha_mod * opacity);
}
}
input_overlay_update_desc_geom(ol, desc);
desc->updated = false;
}
}
/**
* input_overlay_set_scale_factor:
* @ol : Overlay handle.
* @layout_desc : Scale + offset factors.
*
* Scales the overlay and applies any aspect ratio/
* offset factors.
**/
void input_overlay_set_scale_factor(
input_overlay_t *ol, const overlay_layout_desc_t *layout_desc,
unsigned video_driver_width,
unsigned video_driver_height
)
{
size_t i;
float display_aspect_ratio = 0.0f;
if (!ol || !layout_desc)
return;
if (video_driver_height > 0)
display_aspect_ratio = (float)video_driver_width /
(float)video_driver_height;
for (i = 0; i < ol->size; i++)
{
struct overlay *current_overlay = &ol->overlays[i];
overlay_layout_t overlay_layout;
input_overlay_parse_layout(current_overlay,
layout_desc, display_aspect_ratio, &overlay_layout);
input_overlay_scale(current_overlay, &overlay_layout);
}
input_overlay_set_vertex_geom(ol);
}
void input_overlay_scale(struct overlay *ol,
const overlay_layout_t *layout)
{
size_t i;
ol->mod_w = ol->w * layout->x_scale;
ol->mod_h = ol->h * layout->y_scale;
ol->mod_x = (ol->center_x + (ol->x - ol->center_x) *
layout->x_scale) + layout->x_offset;
ol->mod_y = (ol->center_y + (ol->y - ol->center_y) *
layout->y_scale) + layout->y_offset;
for (i = 0; i < ol->size; i++)
{
struct overlay_desc *desc = &ol->descs[i];
float x_shift_offset = 0.0f;
float y_shift_offset = 0.0f;
float scale_w;
float scale_h;
float adj_center_x;
float adj_center_y;
/* Apply 'x separation' factor */
if (desc->x < (0.5f - 0.0001f))
x_shift_offset = layout->x_separation * -1.0f;
else if (desc->x > (0.5f + 0.0001f))
x_shift_offset = layout->x_separation;
desc->x_shift = desc->x + x_shift_offset;
/* Apply 'y separation' factor */
if (desc->y < (0.5f - 0.0001f))
y_shift_offset = layout->y_separation * -1.0f;
else if (desc->y > (0.5f + 0.0001f))
y_shift_offset = layout->y_separation;
desc->y_shift = desc->y + y_shift_offset;
scale_w = ol->mod_w * desc->range_x;
scale_h = ol->mod_h * desc->range_y;
adj_center_x = ol->mod_x + desc->x_shift * ol->mod_w;
adj_center_y = ol->mod_y + desc->y_shift * ol->mod_h;
desc->mod_w = 2.0f * scale_w;
desc->mod_h = 2.0f * scale_h;
desc->mod_x = adj_center_x - scale_w;
desc->mod_y = adj_center_y - scale_h;
}
}
void input_overlay_parse_layout(
const struct overlay *ol,
const overlay_layout_desc_t *layout_desc,
float display_aspect_ratio,
overlay_layout_t *overlay_layout)
{
/* Set default values */
overlay_layout->x_scale = 1.0f;
overlay_layout->y_scale = 1.0f;
overlay_layout->x_separation = 0.0f;
overlay_layout->y_separation = 0.0f;
overlay_layout->x_offset = 0.0f;
overlay_layout->y_offset = 0.0f;
/* Perform auto-scaling, if required */
if (layout_desc->auto_scale)
{
/* Sanity check - if scaling is blocked,
* or aspect ratios are invalid, then we
* can do nothing */
if (ol->block_scale ||
(ol->aspect_ratio <= 0.0f) ||
(display_aspect_ratio <= 0.0f))
return;
/* If display is wider than overlay,
* reduce width */
if (display_aspect_ratio >
ol->aspect_ratio)
{
overlay_layout->x_scale = ol->aspect_ratio /
display_aspect_ratio;
if (overlay_layout->x_scale <= 0.0f)
{
overlay_layout->x_scale = 1.0f;
return;
}
/* If X separation is permitted, move elements
* horizontally towards the edges of the screen */
if (!ol->block_x_separation)
overlay_layout->x_separation = ((1.0f / overlay_layout->x_scale) - 1.0f) * 0.5f;
}
/* If display is taller than overlay,
* reduce height */
else
{
overlay_layout->y_scale = display_aspect_ratio /
ol->aspect_ratio;
if (overlay_layout->y_scale <= 0.0f)
{
overlay_layout->y_scale = 1.0f;
return;
}
/* If Y separation is permitted and display has
* a *landscape* orientation, move elements
* vertically towards the edges of the screen
* > Portrait overlays typically have all elements
* below the centre line, so Y separation
* provides no real benefit */
if ((display_aspect_ratio > 1.0f) &&
!ol->block_y_separation)
overlay_layout->y_separation = ((1.0f / overlay_layout->y_scale) - 1.0f) * 0.5f;
}
return;
}
/* Regular 'manual' scaling/position adjustment
* > Landscape display orientations */
if (display_aspect_ratio > 1.0f)
{
float scale = layout_desc->scale_landscape;
float aspect_adjust = layout_desc->aspect_adjust_landscape;
/* Note: Y offsets have their sign inverted,
* since from a usability perspective positive
* values should move the overlay upwards */
overlay_layout->x_offset = layout_desc->x_offset_landscape;
overlay_layout->y_offset = layout_desc->y_offset_landscape * -1.0f;
if (!ol->block_x_separation)
overlay_layout->x_separation = layout_desc->x_separation_landscape;
if (!ol->block_y_separation)
overlay_layout->y_separation = layout_desc->y_separation_landscape;
if (!ol->block_scale)
{
/* In landscape orientations, aspect correction
* adjusts the overlay width */
overlay_layout->x_scale = (aspect_adjust >= 0.0f) ?
(scale * (aspect_adjust + 1.0f)) :
(scale / ((aspect_adjust * -1.0f) + 1.0f));
overlay_layout->y_scale = scale;
}
}
/* > Portrait display orientations */
else
{
float scale = layout_desc->scale_portrait;
float aspect_adjust = layout_desc->aspect_adjust_portrait;
overlay_layout->x_offset = layout_desc->x_offset_portrait;
overlay_layout->y_offset = layout_desc->y_offset_portrait * -1.0f;
if (!ol->block_x_separation)
overlay_layout->x_separation = layout_desc->x_separation_portrait;
if (!ol->block_y_separation)
overlay_layout->y_separation = layout_desc->y_separation_portrait;
if (!ol->block_scale)
{
/* In portrait orientations, aspect correction
* adjusts the overlay height */
overlay_layout->x_scale = scale;
overlay_layout->y_scale = (aspect_adjust >= 0.0f) ?
(scale * (aspect_adjust + 1.0f)) :
(scale / ((aspect_adjust * -1.0f) + 1.0f));
}
}
}
void input_overlay_set_vertex_geom(input_overlay_t *ol)
{
size_t i;
if (ol->active->image.pixels)
ol->iface->vertex_geom(ol->iface_data, 0,
ol->active->mod_x, ol->active->mod_y,
ol->active->mod_w, ol->active->mod_h);
if (ol->iface->vertex_geom)
for (i = 0; i < ol->active->size; i++)
{
struct overlay_desc *desc = &ol->active->descs[i];
if (!desc->image.pixels)
continue;
ol->iface->vertex_geom(ol->iface_data, desc->image_index,
desc->mod_x, desc->mod_y, desc->mod_w, desc->mod_h);
}
}
void input_overlay_load_active(
enum overlay_visibility *visibility,
input_overlay_t *ol, float opacity)
{
if (ol->iface->load)
ol->iface->load(ol->iface_data, ol->active->load_images,
ol->active->load_images_size);
input_overlay_set_alpha_mod(visibility, ol, opacity);
input_overlay_set_vertex_geom(ol);
if (ol->iface->full_screen)
ol->iface->full_screen(ol->iface_data, ol->active->full_screen);
}
void input_overlay_poll_clear(
enum overlay_visibility *visibility,
input_overlay_t *ol, float opacity)
{
size_t i;
ol->blocked = false;
input_overlay_set_alpha_mod(visibility, ol, opacity);
for (i = 0; i < ol->active->size; i++)
{
struct overlay_desc *desc = &ol->active->descs[i];
desc->range_x_mod = desc->range_x;
desc->range_y_mod = desc->range_y;
desc->updated = false;
desc->delta_x = 0.0f;
desc->delta_y = 0.0f;
input_overlay_update_desc_geom(ol, desc);
}
}
void input_overlay_set_alpha_mod(
enum overlay_visibility *visibility,
input_overlay_t *ol, float mod)
{
unsigned i;
if (!ol)
return;
for (i = 0; i < ol->active->load_images_size; i++)
{
if (input_overlay_get_visibility(visibility, i)
== OVERLAY_VISIBILITY_HIDDEN)
ol->iface->set_alpha(ol->iface_data, i, 0.0);
else
ol->iface->set_alpha(ol->iface_data, i, mod);
}
}
enum overlay_visibility input_overlay_get_visibility(
enum overlay_visibility *visibility,
int overlay_idx)
{
if (!visibility)
return OVERLAY_VISIBILITY_DEFAULT;
if ((overlay_idx < 0) || (overlay_idx >= MAX_VISIBILITY))
return OVERLAY_VISIBILITY_DEFAULT;
return visibility[overlay_idx];
}
void input_overlay_free_overlays(input_overlay_t *ol)
{
size_t i;
if (!ol || !ol->overlays)
return;
for (i = 0; i < ol->size; i++)
input_overlay_free_overlay(&ol->overlays[i]);
free(ol->overlays);
ol->overlays = NULL;
}
void input_overlay_free_overlay(struct overlay *overlay)
{
size_t i;
if (!overlay)
return;
for (i = 0; i < overlay->size; i++)
image_texture_free(&overlay->descs[i].image);
if (overlay->load_images)
free(overlay->load_images);
overlay->load_images = NULL;
if (overlay->descs)
free(overlay->descs);
overlay->descs = NULL;
image_texture_free(&overlay->image);
}
void input_overlay_free(input_overlay_t *ol)
{
if (!ol)
return;
input_overlay_free_overlays(ol);
if (ol->iface->enable)
ol->iface->enable(ol->iface_data, false);
free(ol);
}
void input_overlay_auto_rotate_(
unsigned video_driver_width,
unsigned video_driver_height,
bool input_overlay_enable,
input_overlay_t *ol)
{
size_t i;
enum overlay_orientation screen_orientation = OVERLAY_ORIENTATION_PORTRAIT;
enum overlay_orientation active_overlay_orientation = OVERLAY_ORIENTATION_NONE;
bool tmp = false;
/* Sanity check */
if (!ol || !ol->alive || !input_overlay_enable)
return;
/* Get current screen orientation */
if (video_driver_width > video_driver_height)
screen_orientation = OVERLAY_ORIENTATION_LANDSCAPE;
/* Get orientation of active overlay */
if (!string_is_empty(ol->active->name))
{
if (strstr(ol->active->name, "landscape"))
active_overlay_orientation = OVERLAY_ORIENTATION_LANDSCAPE;
else if (strstr(ol->active->name, "portrait"))
active_overlay_orientation = OVERLAY_ORIENTATION_PORTRAIT;
}
/* Sanity check */
if (active_overlay_orientation == OVERLAY_ORIENTATION_NONE)
return;
/* If screen and overlay have the same orientation,
* no action is required */
if (screen_orientation == active_overlay_orientation)
return;
/* Attempt to find index of overlay corresponding
* to opposite orientation */
for (i = 0; i < ol->active->size; i++)
{
overlay_desc_t *desc = &ol->active->descs[i];
if (!desc)
continue;
if (!string_is_empty(desc->next_index_name))
{
bool next_overlay_found = false;
if (active_overlay_orientation == OVERLAY_ORIENTATION_LANDSCAPE)
next_overlay_found = (strstr(desc->next_index_name, "portrait") != 0);
else
next_overlay_found = (strstr(desc->next_index_name, "landscape") != 0);
if (next_overlay_found)
{
/* We have a valid target overlay
* > Trigger 'overly next' command event
* Note: tmp == false. This prevents CMD_EVENT_OVERLAY_NEXT
* from calling input_overlay_auto_rotate_() again */
ol->next_index = desc->next_index;
command_event(CMD_EVENT_OVERLAY_NEXT, &tmp);
break;
}
}
}
}
#endif
/**
* input_config_translate_str_to_rk:
* @str : String to translate to key ID.
*
* Translates tring representation to key identifier.
*
* Returns: key identifier.
**/
enum retro_key input_config_translate_str_to_rk(const char *str)
{
size_t i;
if (strlen(str) == 1 && ISALPHA((int)*str))
return (enum retro_key)(RETROK_a + (TOLOWER((int)*str) - (int)'a'));
for (i = 0; input_config_key_map[i].str; i++)
{
if (string_is_equal_noncase(input_config_key_map[i].str, str))
return input_config_key_map[i].key;
}
RARCH_WARN("[Input]: Key name \"%s\" not found.\n", str);
return RETROK_UNKNOWN;
}
/**
* input_config_translate_str_to_bind_id:
* @str : String to translate to bind ID.
*
* Translate string representation to bind ID.
*
* Returns: Bind ID value on success, otherwise
* RARCH_BIND_LIST_END on not found.
**/
unsigned input_config_translate_str_to_bind_id(const char *str)
{
unsigned i;
for (i = 0; input_config_bind_map[i].valid; i++)
if (string_is_equal(str, input_config_bind_map[i].base))
return i;
return RARCH_BIND_LIST_END;
}
void input_config_get_bind_string(
void *settings_data,
char *buf,
const struct retro_keybind *bind,
const struct retro_keybind *auto_bind,
size_t size)
{
settings_t *settings = (settings_t*)settings_data;
int delim = 0;
bool input_descriptor_label_show =
settings->bools.input_descriptor_label_show;
*buf = '\0';
if (bind && bind->joykey != NO_BTN)
input_config_get_bind_string_joykey(
input_descriptor_label_show, buf, "", bind, size);
else if (bind && bind->joyaxis != AXIS_NONE)
input_config_get_bind_string_joyaxis(
input_descriptor_label_show,
buf, "", bind, size);
else if (auto_bind && auto_bind->joykey != NO_BTN)
input_config_get_bind_string_joykey(
input_descriptor_label_show, buf, "Auto: ", auto_bind, size);
else if (auto_bind && auto_bind->joyaxis != AXIS_NONE)
input_config_get_bind_string_joyaxis(
input_descriptor_label_show,
buf, "Auto: ", auto_bind, size);
if (*buf)
delim = 1;
#ifndef RARCH_CONSOLE
{
char key[64];
key[0] = '\0';
input_keymaps_translate_rk_to_str(bind->key, key, sizeof(key));
if ( key[0] == 'n'
&& key[1] == 'u'
&& key[2] == 'l'
&& key[3] == '\0'
)
*key = '\0';
/*empty?*/
if (*key != '\0')
{
char keybuf[64];
keybuf[0] = '\0';
if (delim)
strlcat(buf, ", ", size);
snprintf(keybuf, sizeof(keybuf),
msg_hash_to_str(MENU_ENUM_LABEL_VALUE_INPUT_KEY), key);
strlcat(buf, keybuf, size);
delim = 1;
}
}
#endif
if (bind->mbutton != NO_BTN)
{
int tag = 0;
switch (bind->mbutton)
{
case RETRO_DEVICE_ID_MOUSE_LEFT:
tag = MENU_ENUM_LABEL_VALUE_INPUT_MOUSE_LEFT;
break;
case RETRO_DEVICE_ID_MOUSE_RIGHT:
tag = MENU_ENUM_LABEL_VALUE_INPUT_MOUSE_RIGHT;
break;
case RETRO_DEVICE_ID_MOUSE_MIDDLE:
tag = MENU_ENUM_LABEL_VALUE_INPUT_MOUSE_MIDDLE;
break;
case RETRO_DEVICE_ID_MOUSE_BUTTON_4:
tag = MENU_ENUM_LABEL_VALUE_INPUT_MOUSE_BUTTON4;
break;
case RETRO_DEVICE_ID_MOUSE_BUTTON_5:
tag = MENU_ENUM_LABEL_VALUE_INPUT_MOUSE_BUTTON5;
break;
case RETRO_DEVICE_ID_MOUSE_WHEELUP:
tag = MENU_ENUM_LABEL_VALUE_INPUT_MOUSE_WHEEL_UP;
break;
case RETRO_DEVICE_ID_MOUSE_WHEELDOWN:
tag = MENU_ENUM_LABEL_VALUE_INPUT_MOUSE_WHEEL_DOWN;
break;
case RETRO_DEVICE_ID_MOUSE_HORIZ_WHEELUP:
tag = MENU_ENUM_LABEL_VALUE_INPUT_MOUSE_HORIZ_WHEEL_UP;
break;
case RETRO_DEVICE_ID_MOUSE_HORIZ_WHEELDOWN:
tag = MENU_ENUM_LABEL_VALUE_INPUT_MOUSE_HORIZ_WHEEL_DOWN;
break;
}
if (tag != 0)
{
if (delim)
strlcat(buf, ", ", size);
strlcat(buf, msg_hash_to_str((enum msg_hash_enums)tag), size);
}
}
/*completely empty?*/
if (*buf == '\0')
strlcat(buf, "---", size);
}
void input_config_get_bind_string_joykey(
bool input_descriptor_label_show,
char *buf, const char *prefix,
const struct retro_keybind *bind, size_t size)
{
if (GET_HAT_DIR(bind->joykey))
{
if (bind->joykey_label &&
!string_is_empty(bind->joykey_label)
&& input_descriptor_label_show)
fill_pathname_join_delim_concat(buf, prefix,
bind->joykey_label, ' ', " (hat)", size);
else
{
const char *dir = "?";
switch (GET_HAT_DIR(bind->joykey))
{
case HAT_UP_MASK:
dir = "up";
break;
case HAT_DOWN_MASK:
dir = "down";
break;
case HAT_LEFT_MASK:
dir = "left";
break;
case HAT_RIGHT_MASK:
dir = "right";
break;
default:
break;
}
snprintf(buf, size, "%sHat #%u %s (%s)", prefix,
(unsigned)GET_HAT(bind->joykey), dir,
msg_hash_to_str(MENU_ENUM_LABEL_VALUE_NOT_AVAILABLE));
}
}
else
{
if (bind->joykey_label &&
!string_is_empty(bind->joykey_label)
&& input_descriptor_label_show)
fill_pathname_join_delim_concat(buf, prefix,
bind->joykey_label, ' ', " (btn)", size);
else
snprintf(buf, size, "%s%u (%s)", prefix, (unsigned)bind->joykey,
msg_hash_to_str(MENU_ENUM_LABEL_VALUE_NOT_AVAILABLE));
}
}
void input_config_get_bind_string_joyaxis(
bool input_descriptor_label_show,
char *buf, const char *prefix,
const struct retro_keybind *bind, size_t size)
{
if (bind->joyaxis_label &&
!string_is_empty(bind->joyaxis_label)
&& input_descriptor_label_show)
fill_pathname_join_delim_concat(buf, prefix,
bind->joyaxis_label, ' ', " (axis)", size);
else
{
unsigned axis = 0;
char dir = '\0';
if (AXIS_NEG_GET(bind->joyaxis) != AXIS_DIR_NONE)
{
dir = '-';
axis = AXIS_NEG_GET(bind->joyaxis);
}
else if (AXIS_POS_GET(bind->joyaxis) != AXIS_DIR_NONE)
{
dir = '+';
axis = AXIS_POS_GET(bind->joyaxis);
}
snprintf(buf, size, "%s%c%u (%s)", prefix, dir, axis,
msg_hash_to_str(MENU_ENUM_LABEL_VALUE_NOT_AVAILABLE));
}
}
void osk_update_last_codepoint(
unsigned *last_codepoint,
unsigned *last_codepoint_len,
const char *word)
{
const char *letter = word;
const char *pos = letter;
if (word[0] == 0)
{
*last_codepoint = 0;
*last_codepoint_len = 0;
return;
}
for (;;)
{
unsigned codepoint = utf8_walk(&letter);
if (letter[0] == 0)
{
*last_codepoint = codepoint;
*last_codepoint_len = (unsigned)(letter - pos);
break;
}
pos = letter;
}
}
void input_event_osk_append(
input_keyboard_line_t *keyboard_line,
enum osk_type *osk_idx,
unsigned *osk_last_codepoint,
unsigned *osk_last_codepoint_len,
int ptr,
bool show_symbol_pages,
const char *word)
{
#ifdef HAVE_LANGEXTRA
if (string_is_equal(word, "\xe2\x87\xa6")) /* backspace character */
input_keyboard_event(true, '\x7f', '\x7f', 0, RETRO_DEVICE_KEYBOARD);
else if (string_is_equal(word, "\xe2\x8f\x8e")) /* return character */
input_keyboard_event(true, '\n', '\n', 0, RETRO_DEVICE_KEYBOARD);
else
if (string_is_equal(word, "\xe2\x87\xa7")) /* up arrow */
*osk_idx = OSK_UPPERCASE_LATIN;
else if (string_is_equal(word, "\xe2\x87\xa9")) /* down arrow */
*osk_idx = OSK_LOWERCASE_LATIN;
else if (string_is_equal(word,"\xe2\x8a\x95")) /* plus sign (next button) */
#else
if (string_is_equal(word, "Bksp"))
input_keyboard_event(true, '\x7f', '\x7f', 0, RETRO_DEVICE_KEYBOARD);
else if (string_is_equal(word, "Enter"))
input_keyboard_event(true, '\n', '\n', 0, RETRO_DEVICE_KEYBOARD);
else
if (string_is_equal(word, "Upper"))
*osk_idx = OSK_UPPERCASE_LATIN;
else if (string_is_equal(word, "Lower"))
*osk_idx = OSK_LOWERCASE_LATIN;
else if (string_is_equal(word, "Next"))
#endif
if (*osk_idx < (show_symbol_pages ? OSK_TYPE_LAST - 1 : OSK_SYMBOLS_PAGE1))
*osk_idx = (enum osk_type)(*osk_idx + 1);
else
*osk_idx = ((enum osk_type)(OSK_TYPE_UNKNOWN + 1));
else
{
input_keyboard_line_append(keyboard_line, word);
osk_update_last_codepoint(
osk_last_codepoint,
osk_last_codepoint_len,
word);
}
}
void *input_driver_init_wrap(input_driver_t *input, const char *name)
{
void *ret = NULL;
if (!input)
return NULL;
if ((ret = input->init(name)))
{
input_driver_init_joypads();
return ret;
}
return NULL;
}
bool input_driver_find_driver(
input_driver_state_t *input_driver_state,
settings_t *settings,
const char *prefix,
bool verbosity_enabled)
{
int i = (int)driver_find_index(
"input_driver",
settings->arrays.input_driver);
if (i >= 0)
{
input_driver_state->current_driver = (input_driver_t*)input_drivers[i];
RARCH_LOG("[Input]: Found %s: \"%s\".\n", prefix,
input_driver_state->current_driver->ident);
}
else
{
input_driver_t *tmp = NULL;
if (verbosity_enabled)
{
unsigned d;
RARCH_ERR("Couldn't find any %s named \"%s\"\n", prefix,
settings->arrays.input_driver);
RARCH_LOG_OUTPUT("Available %ss are:\n", prefix);
for (d = 0; input_drivers[d]; d++)
RARCH_LOG_OUTPUT("\t%s\n", input_drivers[d]->ident);
RARCH_WARN("Going to default to first %s...\n", prefix);
}
tmp = (input_driver_t*)input_drivers[0];
if (!tmp)
return false;
input_driver_state->current_driver = tmp;
}
return true;
}
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