unsafe void RetrieveGestureEvents()
{
if (NativeApi.IsHandGesturesEnabled())
{
GetGestureEvents <MagicLeapKeyPoseGestureEvent>(ref m_KeyPoseGestureEvents, NativeApi.GetKeyPoseGestureEventsPtr);
}
if (NativeApi.IsControllerGesturesEnabled())
{
GetGestureEvents <MagicLeapTouchpadGestureEvent>(ref m_TouchpadGestureEvents, NativeApi.GetTouchpadGestureEventsPtr);
}
// Count up valid activate gestures (Have to do this as we cannot dynamically grow NativeArray).
// This should be possible to fix with NativeList (when out of preview package).
int activateGestureEventCount = 0;
foreach (var gestureEvent in m_KeyPoseGestureEvents)
{
if (gestureEvent.state == GestureState.Started && gestureEvent.keyPose == MagicLeapKeyPose.Finger)
{
activateGestureEventCount++;
}
}
if (m_ActivateGestureEvents.IsCreated)
{
m_ActivateGestureEvents.Dispose();
}
m_ActivateGestureEvents = new NativeArray <ActivateGestureEvent>(activateGestureEventCount, Allocator.Persistent);
int iActivateGestureEvent = 0;
foreach (var gestureEvent in m_KeyPoseGestureEvents)
{
if (gestureEvent.state == GestureState.Started && gestureEvent.keyPose == MagicLeapKeyPose.Finger)
{
m_ActivateGestureEvents[iActivateGestureEvent++] =
new ActivateGestureEvent(GetNextGUID(), gestureEvent.state, Vector3.zero, Vector3.one);
}
}
}
unsafe void RetrieveAllGestureEvents()
{
RetrieveGestureEvents(NativeApi.UnityWindowsMR_GesturesGetHoldGestureEventsPtr, ref m_HoldGestureEvents);
RetrieveGestureEvents(NativeApi.UnityWindowsMR_GesturesGetManipulationGestureEventsPtr, ref m_ManipulationGestureEvents);
RetrieveGestureEvents(NativeApi.UnityWindowsMR_GesturesGetNavigationGestureEventsPtr, ref m_NavigationGestureEvents);
RetrieveGestureEvents(NativeApi.UnityWindowsMR_GesturesGetTappedGestureEventsPtr, ref m_TappedGestureEvents);
// Avoid re-allocation of NativeArray if our current NativeArray is empty and we don't have new events.
if (m_TappedGestureEvents.Length == 0)
{
if (m_ActivateGestureEvents.Length > 0)
{
if (m_ActivateGestureEvents.IsCreated)
{
m_ActivateGestureEvents.Dispose();
}
m_ActivateGestureEvents = new NativeArray <ActivateGestureEvent>(0, Allocator.Persistent);
}
}
else
{
if (m_ActivateGestureEvents.IsCreated)
{
m_ActivateGestureEvents.Dispose();
}
m_ActivateGestureEvents = new NativeArray <ActivateGestureEvent>(m_TappedGestureEvents.Length, Allocator.Persistent);
int iActivateGestureEvent = 0;
foreach (var gestureEvent in m_TappedGestureEvents)
{
if (gestureEvent.state == GestureState.Started)
{
m_ActivateGestureEvents[iActivateGestureEvent++] =
new ActivateGestureEvent(GetNextGUID(), gestureEvent.state);
}
}
}
}
