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128 lines
5.1 KiB
128 lines
5.1 KiB
// Copyright (c) Microsoft Corporation. All rights reserved.
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// Licensed under the MIT License. See LICENSE in the project root for license information.
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//
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// ###
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// # Kindly borrowed and extended from Microsoft MRTK (https://github.com/Microsoft/MixedRealityToolkit-Unity) to work with VRTK.
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// ###
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#if UNITY_WSA
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#if !UNITY_2017_2_OR_NEWER
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using UnityEngine.VR.WSA.Input;
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#else
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using UnityEngine.XR.WSA.Input;
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#if !UNITY_EDITOR
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using System;
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using System.Collections.Generic;
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using Windows.Devices.Haptics;
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using Windows.Foundation;
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using Windows.Perception;
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using Windows.Storage.Streams;
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using Windows.UI.Input.Spatial;
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#endif
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#endif
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#endif
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namespace VRTK.WindowsMixedReality.Utilities
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{
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/// <summary>
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/// Extensions for the InteractionSource class to add haptics and expose the renderable model.
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/// </summary>
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public static class InteractionSourceExtensions
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{
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// This value is standardized according to www.usb.org/developers/hidpage/HUTRR63b_-_Haptics_Page_Redline.pdf
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private const ushort ContinuousBuzzWaveform = 0x1004;
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#if UNITY_WSA
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public static void StartHaptics(this InteractionSource interactionSource, float intensity)
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{
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interactionSource.StartHaptics(intensity, float.MaxValue);
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}
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public static void StartHaptics(this InteractionSource interactionSource, float intensity, float durationInSeconds)
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{
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if (!WindowsApiChecker.UniversalApiContractV4_IsAvailable)
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{
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return;
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}
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#if !UNITY_EDITOR && UNITY_2017_2_OR_NEWER
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UnityEngine.WSA.Application.InvokeOnUIThread(() =>
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{
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IReadOnlyList<SpatialInteractionSourceState> sources = SpatialInteractionManager.GetForCurrentView().GetDetectedSourcesAtTimestamp(PerceptionTimestampHelper.FromHistoricalTargetTime(DateTimeOffset.Now));
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foreach (SpatialInteractionSourceState sourceState in sources)
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{
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if (sourceState.Source.Id.Equals(interactionSource.id))
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{
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SimpleHapticsController simpleHapticsController = sourceState.Source.Controller.SimpleHapticsController;
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foreach (SimpleHapticsControllerFeedback hapticsFeedback in simpleHapticsController.SupportedFeedback)
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{
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if (hapticsFeedback.Waveform.Equals(ContinuousBuzzWaveform))
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{
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if (durationInSeconds.Equals(float.MaxValue))
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{
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simpleHapticsController.SendHapticFeedback(hapticsFeedback, intensity);
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}
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else
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{
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simpleHapticsController.SendHapticFeedbackForDuration(hapticsFeedback, intensity, TimeSpan.FromSeconds(durationInSeconds));
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}
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return;
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}
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}
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}
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}
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}, true);
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#endif
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}
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public static void StopHaptics(this InteractionSource interactionSource)
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{
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if (!WindowsApiChecker.UniversalApiContractV4_IsAvailable)
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{
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return;
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}
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#if !UNITY_EDITOR && UNITY_2017_2_OR_NEWER
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UnityEngine.WSA.Application.InvokeOnUIThread(() =>
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{
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IReadOnlyList<SpatialInteractionSourceState> sources = SpatialInteractionManager.GetForCurrentView().GetDetectedSourcesAtTimestamp(PerceptionTimestampHelper.FromHistoricalTargetTime(DateTimeOffset.Now));
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foreach (SpatialInteractionSourceState sourceState in sources)
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{
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if (sourceState.Source.Id.Equals(interactionSource.id))
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{
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sourceState.Source.Controller.SimpleHapticsController.StopFeedback();
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}
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}
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}, true);
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#endif
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}
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#if !UNITY_EDITOR && UNITY_2017_2_OR_NEWER
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public static IAsyncOperation<IRandomAccessStreamWithContentType> TryGetRenderableModelAsync(this InteractionSource interactionSource)
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{
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IAsyncOperation<IRandomAccessStreamWithContentType> returnValue = null;
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if (WindowsApiChecker.UniversalApiContractV5_IsAvailable)
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{
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UnityEngine.WSA.Application.InvokeOnUIThread(() =>
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{
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IReadOnlyList<SpatialInteractionSourceState> sources = SpatialInteractionManager.GetForCurrentView().GetDetectedSourcesAtTimestamp(PerceptionTimestampHelper.FromHistoricalTargetTime(DateTimeOffset.Now));
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foreach (SpatialInteractionSourceState sourceState in sources)
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{
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if (sourceState.Source.Id.Equals(interactionSource.id))
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{
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returnValue = sourceState.Source.Controller.TryGetRenderableModelAsync();
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}
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}
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}, true);
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}
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return returnValue;
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}
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#endif
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#endif
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}
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}
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