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Improve performance by extracting windowManager and getRotatedValues()

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Once sensor listeners are registered, onSensorChanged() (and subsequently
getRotatedValues()) gets called multiple times per socond. Obtaining
WindowManager on each of those calls is superfluous and can be avoided
by extracting it to a lazy class val. getRotatedValue() can also be
called before checking sensor type, and used for each one of them,
resulting in less code repetition.
This commit is contained in:
melquiadess
2024-03-28 13:34:04 +00:00
parent 7a42afbba0
commit f09d033156
1 changed files with 15 additions and 20 deletions
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35
platform/android/java/lib/src/org/godotengine/godot/Godot.kt
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@@ -85,6 +85,9 @@ class Godot(private val context: Context) : SensorEventListener {
private val TAG = Godot::class.java.simpleName
}
private val windowManager: WindowManager by lazy {
requireActivity().getSystemService(Context.WINDOW_SERVICE) as WindowManager
}
private val pluginRegistry: GodotPluginRegistry by lazy {
GodotPluginRegistry.getPluginRegistry()
}
@@ -818,11 +821,8 @@ class Godot(private val context: Context) : SensorEventListener {
if (values == null || values.size != 3) {
return null
}
val display =
(requireActivity().getSystemService(Context.WINDOW_SERVICE) as WindowManager).defaultDisplay
val displayRotation = display.rotation
val rotatedValues = FloatArray(3)
when (displayRotation) {
when (windowManager.defaultDisplay.rotation) {
Surface.ROTATION_0 -> {
rotatedValues[0] = values[0]
rotatedValues[1] = values[1]
@@ -851,40 +851,35 @@ class Godot(private val context: Context) : SensorEventListener {
if (renderView == null) {
return
}
val rotatedValues = getRotatedValues(event.values)
when (event.sensor.type) {
Sensor.TYPE_ACCELEROMETER -> {
getRotatedValues(event.values)?.let { rotatedValues ->
rotatedValues?.let {
renderView?.queueOnRenderThread {
GodotLib.accelerometer(
-rotatedValues[0], -rotatedValues[1], -rotatedValues[2]
)
GodotLib.accelerometer(-it[0], -it[1], -it[2])
}
}
}
Sensor.TYPE_GRAVITY -> {
getRotatedValues(event.values)?.let { rotatedValues ->
rotatedValues?.let {
renderView?.queueOnRenderThread {
GodotLib.gravity(
-rotatedValues[0], -rotatedValues[1], -rotatedValues[2]
)
GodotLib.gravity(-it[0], -it[1], -it[2])
}
}
}
Sensor.TYPE_MAGNETIC_FIELD -> {
getRotatedValues(event.values)?.let { rotatedValues ->
rotatedValues?.let {
renderView?.queueOnRenderThread {
GodotLib.magnetometer(
-rotatedValues[0], -rotatedValues[1], -rotatedValues[2]
)
GodotLib.magnetometer(-it[0], -it[1], -it[2])
}
}
}
Sensor.TYPE_GYROSCOPE -> {
getRotatedValues(event.values)?.let { rotatedValues ->
rotatedValues?.let {
renderView?.queueOnRenderThread {
GodotLib.gyroscope(
rotatedValues[0], rotatedValues[1], rotatedValues[2]
)
GodotLib.gyroscope(it[0], it[1], it[2])
}
}
}