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Don't ignore HAT axes input events

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Capture HAT axes events ourselves instead of relying on the android framework to turn them into KeyCodes. Fixes handling of DPAD button presses on most controllers.
This commit is contained in:
lynxnb
2022-11-03 01:27:23 +01:00
committed by Niccolò Betto
parent f1ec771944
commit 3a657c44cc
3 changed files with 33 additions and 55 deletions
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68
app/src/main/java/emu/skyline/input/InputHandler.kt
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@ -5,7 +5,6 @@
package emu.skyline.input
import android.graphics.PointF
import android.view.InputDevice
import android.view.KeyEvent
import android.view.MotionEvent
@ -120,58 +119,47 @@ class InputHandler(private val inputManager : InputManager, private val preferen
*/
private val axesHistory = arrayOfNulls<Float>(MotionHostEvent.axes.size)
/**
* The last value of the HAT axes so it can be ignored in [onGenericMotionEvent] so they are handled by [dispatchKeyEvent] instead
*/
private var oldHat = PointF()
/**
* Handles translating any [MotionHostEvent]s to a [GuestEvent] that is passed into libskyline
*/
fun handleMotionEvent(event : MotionEvent) : Boolean {
if ((event.isFromSource(InputDevice.SOURCE_CLASS_JOYSTICK) || event.isFromSource(InputDevice.SOURCE_CLASS_BUTTON)) && event.action == MotionEvent.ACTION_MOVE) {
val hat = PointF(event.getAxisValue(MotionEvent.AXIS_HAT_X), event.getAxisValue(MotionEvent.AXIS_HAT_Y))
for (axisItem in MotionHostEvent.axes.withIndex()) {
val axis = axisItem.value
var value = event.getAxisValue(axis)
if (hat == oldHat) {
for (axisItem in MotionHostEvent.axes.withIndex()) {
val axis = axisItem.value
var value = event.getAxisValue(axis)
if ((event.historySize != 0 && value != event.getHistoricalAxisValue(axis, 0)) || (axesHistory[axisItem.index]?.let { it == value } == false)) {
var polarity = value > 0 || (value == 0f && axesHistory[axisItem.index]?.let { it >= 0 } == true)
if ((event.historySize != 0 && value != event.getHistoricalAxisValue(axis, 0)) || (axesHistory[axisItem.index]?.let { it == value } == false)) {
var polarity = value > 0 || (value == 0f && axesHistory[axisItem.index]?.let { it >= 0 } == true)
val guestEvent = MotionHostEvent(event.device.descriptor, axis, polarity).let { hostEvent ->
inputManager.eventMap[hostEvent] ?: if (value == 0f) {
polarity = false
inputManager.eventMap[hostEvent.copy(polarity = false)]
} else {
null
}
}
when (guestEvent) {
is ButtonGuestEvent -> {
if (guestEvent.button != ButtonId.Menu)
setButtonState(guestEvent.id, guestEvent.button.value(), if (abs(value) >= guestEvent.threshold) ButtonState.Pressed.state else ButtonState.Released.state)
}
is AxisGuestEvent -> {
value = guestEvent.value(value)
value = if (polarity) abs(value) else -abs(value)
value = if (guestEvent.axis == AxisId.LX || guestEvent.axis == AxisId.RX) value else -value
setAxisValue(guestEvent.id, guestEvent.axis.ordinal, (value * Short.MAX_VALUE).toInt())
}
val guestEvent = MotionHostEvent(event.device.descriptor, axis, polarity).let { hostEvent ->
inputManager.eventMap[hostEvent] ?: if (value == 0f) {
polarity = false
inputManager.eventMap[hostEvent.copy(polarity = false)]
} else {
null
}
}
axesHistory[axisItem.index] = value
when (guestEvent) {
is ButtonGuestEvent -> {
val action = if (abs(value) >= guestEvent.threshold) ButtonState.Pressed.state else ButtonState.Released.state
if (guestEvent.button != ButtonId.Menu)
setButtonState(guestEvent.id, guestEvent.button.value(), action)
}
is AxisGuestEvent -> {
value = guestEvent.value(value)
value = if (polarity) abs(value) else -abs(value)
value = if (guestEvent.axis == AxisId.LX || guestEvent.axis == AxisId.RX) value else -value
setAxisValue(guestEvent.id, guestEvent.axis.ordinal, (value * Short.MAX_VALUE).toInt())
}
}
}
return true
} else {
oldHat = hat
axesHistory[axisItem.index] = value
}
return true
}
return false