SpatialUnderstandingDllTopology.cs

Go to the documentation of this file.

// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License. See LICENSE in the project root for license information.

using UnityEngine;
using System.Collections;
using System.Runtime.InteropServices;
using System;
using System.Collections.Generic;

namespace HoloToolkit.Unity
{
    public static class SpatialUnderstandingDllTopology
    {
        [StructLayout(LayoutKind.Sequential, Pack = 1)]
        public struct TopologyResult
        {
            public Vector3 position;
            public Vector3 normal;
            public float width;
            public float length;
        };

        // Functions
        // Queries (topology)
        [DllImport("SpatialUnderstanding", CallingConvention = CallingConvention.Cdecl)]
        public static extern int QueryTopology_FindPositionsOnWalls(
            [In] float minHeightOfWallSpace,
            [In] float minWidthOfWallSpace,
            [In] float minHeightAboveFloor,
            [In] float minFacingClearance,
            [In] int locationCount,             // Pass in the space allocated in locationData
            [In, Out] IntPtr locationData);     // TopologyResult

        [DllImport("SpatialUnderstanding", CallingConvention = CallingConvention.Cdecl)]
        public static extern int QueryTopology_FindLargePositionsOnWalls(
            [In] float minHeightOfWallSpace,
            [In] float minWidthOfWallSpace,
            [In] float minHeightAboveFloor,
            [In] float minFacingClearance,
            [In] int locationCount,             // Pass in the space allocated in locationData
            [In, Out] IntPtr locationData);     // TopologyResult

        [DllImport("SpatialUnderstanding", CallingConvention = CallingConvention.Cdecl)]
        public static extern int QueryTopology_FindLargestWall(
            [In, Out] IntPtr wall);             // TopologyResult

        [DllImport("SpatialUnderstanding", CallingConvention = CallingConvention.Cdecl)]
        public static extern int QueryTopology_FindPositionsOnFloor(
            [In] float minLengthOfFloorSpace,
            [In] float minWidthOfFloorSpace,
            [In] int locationCount,             // Pass in the space allocated in locationData
            [In, Out] IntPtr locationData);     // TopologyResult

        [DllImport("SpatialUnderstanding", CallingConvention = CallingConvention.Cdecl)]
        public static extern int QueryTopology_FindLargestPositionsOnFloor(
            [In] int locationCount,             // Pass in the space allocated in locationData
            [In, Out] IntPtr locationData);     // TopologyResult

        [DllImport("SpatialUnderstanding", CallingConvention = CallingConvention.Cdecl)]
        public static extern int QueryTopology_FindPositionsSittable(
            [In] float minHeight,
            [In] float maxHeight,
            [In] float minFacingClearance,
            [In] int locationCount,             // Pass in the space allocated in locationData
            [In, Out] IntPtr locationData);     // TopologyResult

        [DllImport("SpatialUnderstanding")]
        public static extern int QueryTopology_FindLargePositionsSittable(
            [In] float minHeight,
            [In] float maxHeight,
            [In] float minFacingClearance,
            [In] float minWidth,
            [In] int locationCount,             // Pass in the space allocated in locationData
            [In, Out] IntPtr locationData);     // TopologyResult
  }

}