#if UNITY_OPENXR_1_9_0_OR_NEWER
using System;
using System.Runtime.InteropServices;

namespace UnityEngine.XR.OpenXR.Features.MagicLeapSupport
{
    public partial class MagicLeapLightEstimationFeature
    {
        /// <summary>
        /// The width and height dimension resolution of an HDR Cubemap.
        /// </summary>
        public enum HDRCubemapFaceResolution
        {
            Resolution_64x64,
            Resolution_128x128,
            Resolution_256x256
        }

        /// <summary>
        /// The data of the HDR cubemap as it is obtained from a light estimation estimate.
        /// </summary>
        public struct HDRCubemapData
        {
            /// <summary>
            /// An array of pixel data of the cubemap. The data is in the order of (R, G, B, A) with values 
            /// between 0 and 1, and is and organized into 6 faces in the order of (+X, -X, +Y, -Y, +Z, -Z).
            /// </summary>
            public float[] Pixels;

            /// <summary>
            ///  The width/height dimension resolution of each face on the cubemap.
            /// </summary>
            public uint FaceDimension;
        }

        /// <summary>
        /// The direction and color of the main directional light data obtained from the light estimation estimate.
        /// </summary>
        public struct MainDirectionalLight
        {
            /// <summary>
            /// A normalized vector pointing in the direction that the main light faces.
            /// </summary>
            public Vector3 Direction;

            /// <summary>
            /// The color value for the given main light.
            /// </summary>
            public Color Color;
        }

        /// <summary>
        /// All of the data obtained from a light estimation estimate.
        /// </summary>
        public struct EstimateData
        {
            /// <summary>
            /// The data of the HDR cubemap.
            /// </summary>
            public HDRCubemapData CubeMap;

            /// <summary>
            /// The direction and color of the main directional light data.
            /// </summary>
            public MainDirectionalLight DirectionalLight;

            /// <summary>
            /// The spherical harmonics coefficients data.
            /// </summary>
            public float[] HarmonicsCoefficients;

            /// <summary>
            /// The timestamp of the light estimation estimate in nanoseconds.
            /// </summary>
            public long TimeStampNanoSeconds;
        }
    }
}
#endif