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|
package org.yuzu.yuzu_emu.utils
import android.view.KeyEvent
import android.view.MotionEvent
import org.yuzu.yuzu_emu.NativeLibrary
import kotlin.math.sqrt
class InputHandler {
fun initialize() {
// Connect first controller
NativeLibrary.onGamePadConnectEvent(getPlayerNumber(NativeLibrary.Player1Device))
}
fun dispatchKeyEvent(event: KeyEvent): Boolean {
val button: Int = when (event.device.vendorId) {
0x045E -> getInputXboxButtonKey(event.keyCode)
0x054C -> getInputDS5ButtonKey(event.keyCode)
0x057E -> getInputJoyconButtonKey(event.keyCode)
0x1532 -> getInputRazerButtonKey(event.keyCode)
else -> getInputGenericButtonKey(event.keyCode)
}
val action = when (event.action) {
KeyEvent.ACTION_DOWN -> NativeLibrary.ButtonState.PRESSED
KeyEvent.ACTION_UP -> NativeLibrary.ButtonState.RELEASED
else -> return false
}
// Ignore invalid buttons
if (button < 0) {
return false
}
return NativeLibrary.onGamePadButtonEvent(
getPlayerNumber(event.device.controllerNumber),
button,
action
)
}
fun dispatchGenericMotionEvent(event: MotionEvent): Boolean {
val device = event.device
// Check every axis input available on the controller
for (range in device.motionRanges) {
val axis = range.axis
when (device.vendorId) {
0x045E -> setGenericAxisInput(event, axis)
0x054C -> setGenericAxisInput(event, axis)
0x057E -> setJoyconAxisInput(event, axis)
0x1532 -> setRazerAxisInput(event, axis)
else -> setGenericAxisInput(event, axis)
}
}
return true
}
private fun getPlayerNumber(index: Int): Int {
// TODO: Joycons are handled as different controllers. Find a way to merge them.
return when (index) {
2 -> NativeLibrary.Player2Device
3 -> NativeLibrary.Player3Device
4 -> NativeLibrary.Player4Device
5 -> NativeLibrary.Player5Device
6 -> NativeLibrary.Player6Device
7 -> NativeLibrary.Player7Device
8 -> NativeLibrary.Player8Device
else -> if (NativeLibrary.isHandheldOnly()) NativeLibrary.ConsoleDevice else NativeLibrary.Player1Device
}
}
private fun setStickState(playerNumber: Int, index: Int, xAxis: Float, yAxis: Float) {
// Calculate vector size
val r2 = xAxis * xAxis + yAxis * yAxis
var r = sqrt(r2.toDouble()).toFloat()
// Adjust range of joystick
val deadzone = 0.15f
val deadzoneFactor = 1.0f / r * (r - deadzone) / (1.0f - deadzone)
var x = xAxis * deadzoneFactor
var y = yAxis * deadzoneFactor
r *= deadzoneFactor
// Normalize joystick
if (r > 1.0f) {
x /= r
y /= r
}
NativeLibrary.onGamePadJoystickEvent(
playerNumber,
index,
x,
-y
)
}
private fun getAxisToButton(axis: Float): Int {
return if (axis > 0.5f) NativeLibrary.ButtonState.PRESSED else NativeLibrary.ButtonState.RELEASED
}
private fun setAxisDpadState(playerNumber: Int, xAxis: Float, yAxis: Float) {
NativeLibrary.onGamePadButtonEvent(
playerNumber,
NativeLibrary.ButtonType.DPAD_UP,
getAxisToButton(-yAxis)
)
NativeLibrary.onGamePadButtonEvent(
playerNumber,
NativeLibrary.ButtonType.DPAD_DOWN,
getAxisToButton(yAxis)
)
NativeLibrary.onGamePadButtonEvent(
playerNumber,
NativeLibrary.ButtonType.DPAD_LEFT,
getAxisToButton(-xAxis)
)
NativeLibrary.onGamePadButtonEvent(
playerNumber,
NativeLibrary.ButtonType.DPAD_RIGHT,
getAxisToButton(xAxis)
)
}
private fun getInputDS5ButtonKey(key: Int): Int {
// The missing ds5 buttons are axis
return when (key) {
KeyEvent.KEYCODE_BUTTON_A -> NativeLibrary.ButtonType.BUTTON_B
KeyEvent.KEYCODE_BUTTON_B -> NativeLibrary.ButtonType.BUTTON_A
KeyEvent.KEYCODE_BUTTON_X -> NativeLibrary.ButtonType.BUTTON_Y
KeyEvent.KEYCODE_BUTTON_Y -> NativeLibrary.ButtonType.BUTTON_X
KeyEvent.KEYCODE_BUTTON_L1 -> NativeLibrary.ButtonType.TRIGGER_L
KeyEvent.KEYCODE_BUTTON_R1 -> NativeLibrary.ButtonType.TRIGGER_R
KeyEvent.KEYCODE_BUTTON_THUMBL -> NativeLibrary.ButtonType.STICK_L
KeyEvent.KEYCODE_BUTTON_THUMBR -> NativeLibrary.ButtonType.STICK_R
KeyEvent.KEYCODE_BUTTON_START -> NativeLibrary.ButtonType.BUTTON_PLUS
KeyEvent.KEYCODE_BUTTON_SELECT -> NativeLibrary.ButtonType.BUTTON_MINUS
else -> -1
}
}
private fun getInputJoyconButtonKey(key: Int): Int {
// Joycon support is half dead. A lot of buttons can't be mapped
return when (key) {
KeyEvent.KEYCODE_BUTTON_A -> NativeLibrary.ButtonType.BUTTON_B
KeyEvent.KEYCODE_BUTTON_B -> NativeLibrary.ButtonType.BUTTON_A
KeyEvent.KEYCODE_BUTTON_X -> NativeLibrary.ButtonType.BUTTON_X
KeyEvent.KEYCODE_BUTTON_Y -> NativeLibrary.ButtonType.BUTTON_Y
KeyEvent.KEYCODE_DPAD_UP -> NativeLibrary.ButtonType.DPAD_UP
KeyEvent.KEYCODE_DPAD_DOWN -> NativeLibrary.ButtonType.DPAD_DOWN
KeyEvent.KEYCODE_DPAD_LEFT -> NativeLibrary.ButtonType.DPAD_LEFT
KeyEvent.KEYCODE_DPAD_RIGHT -> NativeLibrary.ButtonType.DPAD_RIGHT
KeyEvent.KEYCODE_BUTTON_L1 -> NativeLibrary.ButtonType.TRIGGER_L
KeyEvent.KEYCODE_BUTTON_R1 -> NativeLibrary.ButtonType.TRIGGER_R
KeyEvent.KEYCODE_BUTTON_L2 -> NativeLibrary.ButtonType.TRIGGER_ZL
KeyEvent.KEYCODE_BUTTON_R2 -> NativeLibrary.ButtonType.TRIGGER_ZR
KeyEvent.KEYCODE_BUTTON_THUMBL -> NativeLibrary.ButtonType.STICK_L
KeyEvent.KEYCODE_BUTTON_THUMBR -> NativeLibrary.ButtonType.STICK_R
KeyEvent.KEYCODE_BUTTON_START -> NativeLibrary.ButtonType.BUTTON_PLUS
KeyEvent.KEYCODE_BUTTON_SELECT -> NativeLibrary.ButtonType.BUTTON_MINUS
else -> -1
}
}
private fun getInputXboxButtonKey(key: Int): Int {
// The missing xbox buttons are axis
return when (key) {
KeyEvent.KEYCODE_BUTTON_A -> NativeLibrary.ButtonType.BUTTON_A
KeyEvent.KEYCODE_BUTTON_B -> NativeLibrary.ButtonType.BUTTON_B
KeyEvent.KEYCODE_BUTTON_X -> NativeLibrary.ButtonType.BUTTON_X
KeyEvent.KEYCODE_BUTTON_Y -> NativeLibrary.ButtonType.BUTTON_Y
KeyEvent.KEYCODE_BUTTON_L1 -> NativeLibrary.ButtonType.TRIGGER_L
KeyEvent.KEYCODE_BUTTON_R1 -> NativeLibrary.ButtonType.TRIGGER_R
KeyEvent.KEYCODE_BUTTON_THUMBL -> NativeLibrary.ButtonType.STICK_L
KeyEvent.KEYCODE_BUTTON_THUMBR -> NativeLibrary.ButtonType.STICK_R
KeyEvent.KEYCODE_BUTTON_START -> NativeLibrary.ButtonType.BUTTON_PLUS
KeyEvent.KEYCODE_BUTTON_SELECT -> NativeLibrary.ButtonType.BUTTON_MINUS
else -> -1
}
}
private fun getInputRazerButtonKey(key: Int): Int {
// The missing xbox buttons are axis
return when (key) {
KeyEvent.KEYCODE_BUTTON_A -> NativeLibrary.ButtonType.BUTTON_B
KeyEvent.KEYCODE_BUTTON_B -> NativeLibrary.ButtonType.BUTTON_A
KeyEvent.KEYCODE_BUTTON_X -> NativeLibrary.ButtonType.BUTTON_Y
KeyEvent.KEYCODE_BUTTON_Y -> NativeLibrary.ButtonType.BUTTON_X
KeyEvent.KEYCODE_BUTTON_L1 -> NativeLibrary.ButtonType.TRIGGER_L
KeyEvent.KEYCODE_BUTTON_R1 -> NativeLibrary.ButtonType.TRIGGER_R
KeyEvent.KEYCODE_BUTTON_THUMBL -> NativeLibrary.ButtonType.STICK_L
KeyEvent.KEYCODE_BUTTON_THUMBR -> NativeLibrary.ButtonType.STICK_R
KeyEvent.KEYCODE_BUTTON_START -> NativeLibrary.ButtonType.BUTTON_PLUS
KeyEvent.KEYCODE_BUTTON_SELECT -> NativeLibrary.ButtonType.BUTTON_MINUS
else -> -1
}
}
private fun getInputGenericButtonKey(key: Int): Int {
return when (key) {
KeyEvent.KEYCODE_BUTTON_A -> NativeLibrary.ButtonType.BUTTON_A
KeyEvent.KEYCODE_BUTTON_B -> NativeLibrary.ButtonType.BUTTON_B
KeyEvent.KEYCODE_BUTTON_X -> NativeLibrary.ButtonType.BUTTON_X
KeyEvent.KEYCODE_BUTTON_Y -> NativeLibrary.ButtonType.BUTTON_Y
KeyEvent.KEYCODE_DPAD_UP -> NativeLibrary.ButtonType.DPAD_UP
KeyEvent.KEYCODE_DPAD_DOWN -> NativeLibrary.ButtonType.DPAD_DOWN
KeyEvent.KEYCODE_DPAD_LEFT -> NativeLibrary.ButtonType.DPAD_LEFT
KeyEvent.KEYCODE_DPAD_RIGHT -> NativeLibrary.ButtonType.DPAD_RIGHT
KeyEvent.KEYCODE_BUTTON_L1 -> NativeLibrary.ButtonType.TRIGGER_L
KeyEvent.KEYCODE_BUTTON_R1 -> NativeLibrary.ButtonType.TRIGGER_R
KeyEvent.KEYCODE_BUTTON_L2 -> NativeLibrary.ButtonType.TRIGGER_ZL
KeyEvent.KEYCODE_BUTTON_R2 -> NativeLibrary.ButtonType.TRIGGER_ZR
KeyEvent.KEYCODE_BUTTON_THUMBL -> NativeLibrary.ButtonType.STICK_L
KeyEvent.KEYCODE_BUTTON_THUMBR -> NativeLibrary.ButtonType.STICK_R
KeyEvent.KEYCODE_BUTTON_START -> NativeLibrary.ButtonType.BUTTON_PLUS
KeyEvent.KEYCODE_BUTTON_SELECT -> NativeLibrary.ButtonType.BUTTON_MINUS
else -> -1
}
}
private fun setGenericAxisInput(event: MotionEvent, axis: Int) {
val playerNumber = getPlayerNumber(event.device.controllerNumber)
when (axis) {
MotionEvent.AXIS_X, MotionEvent.AXIS_Y ->
setStickState(
playerNumber,
NativeLibrary.StickType.STICK_L,
event.getAxisValue(MotionEvent.AXIS_X),
event.getAxisValue(MotionEvent.AXIS_Y)
)
MotionEvent.AXIS_RX, MotionEvent.AXIS_RY ->
setStickState(
playerNumber,
NativeLibrary.StickType.STICK_R,
event.getAxisValue(MotionEvent.AXIS_RX),
event.getAxisValue(MotionEvent.AXIS_RY)
)
MotionEvent.AXIS_Z, MotionEvent.AXIS_RZ ->
setStickState(
playerNumber,
NativeLibrary.StickType.STICK_R,
event.getAxisValue(MotionEvent.AXIS_Z),
event.getAxisValue(MotionEvent.AXIS_RZ)
)
MotionEvent.AXIS_LTRIGGER ->
NativeLibrary.onGamePadButtonEvent(
playerNumber,
NativeLibrary.ButtonType.TRIGGER_ZL,
getAxisToButton(event.getAxisValue(MotionEvent.AXIS_LTRIGGER))
)
MotionEvent.AXIS_BRAKE ->
NativeLibrary.onGamePadButtonEvent(
playerNumber,
NativeLibrary.ButtonType.TRIGGER_ZL,
getAxisToButton(event.getAxisValue(MotionEvent.AXIS_BRAKE))
)
MotionEvent.AXIS_RTRIGGER ->
NativeLibrary.onGamePadButtonEvent(
playerNumber,
NativeLibrary.ButtonType.TRIGGER_ZR,
getAxisToButton(event.getAxisValue(MotionEvent.AXIS_RTRIGGER))
)
MotionEvent.AXIS_GAS ->
NativeLibrary.onGamePadButtonEvent(
playerNumber,
NativeLibrary.ButtonType.TRIGGER_ZR,
getAxisToButton(event.getAxisValue(MotionEvent.AXIS_GAS))
)
MotionEvent.AXIS_HAT_X, MotionEvent.AXIS_HAT_Y ->
setAxisDpadState(
playerNumber,
event.getAxisValue(MotionEvent.AXIS_HAT_X),
event.getAxisValue(MotionEvent.AXIS_HAT_Y)
)
}
}
private fun setJoyconAxisInput(event: MotionEvent, axis: Int) {
// Joycon support is half dead. Right joystick doesn't work
val playerNumber = getPlayerNumber(event.device.controllerNumber)
when (axis) {
MotionEvent.AXIS_X, MotionEvent.AXIS_Y ->
setStickState(
playerNumber,
NativeLibrary.StickType.STICK_L,
event.getAxisValue(MotionEvent.AXIS_X),
event.getAxisValue(MotionEvent.AXIS_Y)
)
MotionEvent.AXIS_Z, MotionEvent.AXIS_RZ ->
setStickState(
playerNumber,
NativeLibrary.StickType.STICK_R,
event.getAxisValue(MotionEvent.AXIS_Z),
event.getAxisValue(MotionEvent.AXIS_RZ)
)
MotionEvent.AXIS_RX, MotionEvent.AXIS_RY ->
setStickState(
playerNumber,
NativeLibrary.StickType.STICK_R,
event.getAxisValue(MotionEvent.AXIS_RX),
event.getAxisValue(MotionEvent.AXIS_RY)
)
}
}
private fun setRazerAxisInput(event: MotionEvent, axis: Int) {
val playerNumber = getPlayerNumber(event.device.controllerNumber)
when (axis) {
MotionEvent.AXIS_X, MotionEvent.AXIS_Y ->
setStickState(
playerNumber,
NativeLibrary.StickType.STICK_L,
event.getAxisValue(MotionEvent.AXIS_X),
event.getAxisValue(MotionEvent.AXIS_Y)
)
MotionEvent.AXIS_Z, MotionEvent.AXIS_RZ ->
setStickState(
playerNumber,
NativeLibrary.StickType.STICK_R,
event.getAxisValue(MotionEvent.AXIS_Z),
event.getAxisValue(MotionEvent.AXIS_RZ)
)
MotionEvent.AXIS_BRAKE ->
NativeLibrary.onGamePadButtonEvent(
playerNumber,
NativeLibrary.ButtonType.TRIGGER_ZL,
getAxisToButton(event.getAxisValue(MotionEvent.AXIS_BRAKE))
)
MotionEvent.AXIS_GAS ->
NativeLibrary.onGamePadButtonEvent(
playerNumber,
NativeLibrary.ButtonType.TRIGGER_ZR,
getAxisToButton(event.getAxisValue(MotionEvent.AXIS_GAS))
)
MotionEvent.AXIS_HAT_X, MotionEvent.AXIS_HAT_Y ->
setAxisDpadState(
playerNumber,
event.getAxisValue(MotionEvent.AXIS_HAT_X),
event.getAxisValue(MotionEvent.AXIS_HAT_Y)
)
}
}
}
|
