public static NativeArray <T> FromRawBytes <T>(byte[] bytes, Allocator allocator) where T : struct
{
int structSize = UnsafeUtility.SizeOf <T>();
UnityEngine.Debug.Assert(bytes.Length % structSize == 0);
int length = bytes.Length / UnsafeUtility.SizeOf <T>();
var arr = new NativeArray <T>(length, allocator);
arr.CopyFromRawBytes(bytes);
return(arr);
}
static void Arr2Byte <T>(T[] arr) where T : struct
{
var arr1 = new NativeArray <T>(arr, Allocator.Temp);
var bytes = arr1.ToRawBytes();
Assert.AreEqual(bytes.Length, arr.Length * UnsafeUtility.SizeOf <T>());
var arr2 = new NativeArray <T>(arr.Length, Allocator.Temp);
arr2.CopyFromRawBytes(bytes);
AreDeepEqual(arr1, arr2);
}
public override void GetBoundary(
UnityTrackableId trackableId,
Allocator allocator,
ref NativeArray <Vector2> boundary)
{
var plane = ARKitReceiver.Instance?.Plane;
byte[] rawBytes;
if (plane == null || !plane.meshes.TryGetValue(trackableId, out rawBytes))
{
CreateOrResizeNativeArrayIfNecessary(0, allocator, ref boundary);
return;
}
int size = rawBytes.Length / UnsafeUtility.SizeOf <Vector2>();
CreateOrResizeNativeArrayIfNecessary(size, allocator, ref boundary);
boundary.CopyFromRawBytes(rawBytes);
}