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// Copyright HTC Corporation All Rights Reserved.
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using UnityEngine.Scripting;
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using UnityEngine.XR.OpenXR.Features;
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using UnityEngine.InputSystem.Layouts;
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using UnityEngine.InputSystem.XR;
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using UnityEngine.InputSystem.Controls;
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using UnityEngine.XR.OpenXR;
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using UnityEngine;
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using UnityEngine.InputSystem;
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using System.Collections.Generic;
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using UnityEngine.XR;
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using UnityEngine.XR.OpenXR.Input;
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using System.Text;
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#if UNITY_EDITOR
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using UnityEditor;
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using UnityEditor.XR.OpenXR.Features;
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#endif
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#if USE_INPUT_SYSTEM_POSE_CONTROL // Scripting Define Symbol added by using OpenXR Plugin 1.6.0.
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using PoseControl = UnityEngine.InputSystem.XR.PoseControl;
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#else
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using PoseControl = UnityEngine.XR.OpenXR.Input.PoseControl;
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#endif
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namespace VIVE.OpenXR.Hand
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{
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/// <summary>
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/// This <see cref="OpenXRInteractionFeature"/> enables the use of hand interaction profiles in OpenXR. It enables <see cref="ViveHandInteraction.kOpenxrExtensionString">XR_HTC_hand_interaction</see> in the underyling runtime.
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/// </summary>
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#if UNITY_EDITOR
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[OpenXRFeature(UiName = "VIVE XR Hand Interaction",
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BuildTargetGroups = new[] { BuildTargetGroup.Android , BuildTargetGroup.Standalone},
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Company = "HTC",
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Desc = "Support for enabling the hand interaction profile. Will register the controller map for hand interaction if enabled.",
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DocumentationLink = "..\\Documentation",
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Version = "1.0.0",
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OpenxrExtensionStrings = kOpenxrExtensionString,
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Category = FeatureCategory.Interaction,
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FeatureId = featureId)]
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#endif
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public class ViveHandInteraction : OpenXRInteractionFeature
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{
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const string LOG_TAG = "VIVE.OpenXR.Hand.ViveHandInteraction ";
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StringBuilder m_sb = null;
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StringBuilder sb {
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get {
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if (m_sb == null) { m_sb = new StringBuilder(); }
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return m_sb;
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}
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}
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void DEBUG(StringBuilder msg) { Debug.Log(msg); }
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void WARNING(StringBuilder msg) { Debug.LogWarning(msg); }
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/// <summary>
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/// OpenXR specification <see href="https://registry.khronos.org/OpenXR/specs/1.0/html/xrspec.html#XR_HTC_hand_interaction">12.69. XR_HTC_hand_interaction</see>.
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/// </summary>
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public const string kOpenxrExtensionString = "XR_HTC_hand_interaction";
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/// <summary>
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/// The feature id string. This is used to give the feature a well known id for reference.
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/// </summary>
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public const string featureId = "vive.openxr.feature.hand.interaction";
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/// <summary>
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/// The interaction profile string used to reference the hand interaction input device.
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/// </summary>
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private const string profile = "/interaction_profiles/htc/hand_interaction";
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private const string leftHand = "/user/hand_htc/left";
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private const string rightHand = "/user/hand_htc/right";
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/// <summary>
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/// Constant for a float interaction binding '.../input/select/value' OpenXR Input Binding. Used by input subsystem to bind actions to physical inputs.
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/// </summary>
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public const string selectValue = "/input/select/value";
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/// <summary>
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/// Constant for a float interaction binding '.../input/squeeze/value' OpenXR Input Binding. Used by input subsystem to bind actions to physical inputs.
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/// </summary>
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public const string gripValue = "/input/squeeze/value";
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/// <summary>
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/// Constant for a pose interaction binding '.../input/aim/pose' OpenXR Input Binding. Used by input subsystem to bind actions to physical inputs.
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/// </summary>
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private const string pointerPose = "/input/aim/pose";
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/// <summary>
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/// Constant for a pose interaction binding '.../input/grip/pose' OpenXR Input Binding. Used by input subsystem to bind actions to physical inputs.
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/// </summary>
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public const string devicePose = "/input/grip/pose";
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[Preserve, InputControlLayout(displayName = "Vive Hand Interaction (OpenXR)", commonUsages = new[] { "LeftHand", "RightHand" }, isGenericTypeOfDevice = true)]
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public class HandInteractionDevice : OpenXRDevice
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{
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const string LOG_TAG = "VIVE.OpenXR.Hand.ViveHandInteraction.HandInteractionDevice";
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void DEBUG(string msg) { Debug.Log(LOG_TAG + " " + msg); }
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/// <summary>
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/// A [AxisControl](xref:UnityEngine.InputSystem.Controls.AxisControl) that represents the <see cref="ViveHandInteraction.selectValue"/> OpenXR binding.
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/// </summary>
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[Preserve, InputControl(aliases = new[] { "selectAxis, pinchStrength" }, usage = "Select")]
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public AxisControl selectValue { get; private set; }
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/// <summary>
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/// A <see cref="AxisControl"/> representing information from the <see cref="ViveHandInteraction.squeeze"/> OpenXR binding.
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/// </summary>
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[Preserve, InputControl(aliases = new[] { "GripAxis" }, usage = "Grip")]
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public AxisControl gripValue { get; private set; }
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/// <summary>
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/// A <see cref="PoseControl"/> representing information from the <see cref="ViveHandInteraction.devicePose"/> OpenXR binding.
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/// </summary>
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[Preserve, InputControl(offset = 0, aliases = new[] { "device", "gripPose" }, usage = "Device")]
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public PoseControl devicePose { get; private set; }
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/// <summary>
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/// A <see cref="PoseControl"/> representing the <see cref="ViveHandInteraction.pointerPose"/> OpenXR binding.
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/// </summary>
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[Preserve, InputControl(offset = 0, alias = "aimPose", usage = "Pointer")]
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public PoseControl pointerPose { get; private set; }
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/// <summary>
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/// A [ButtonControl](xref:UnityEngine.InputSystem.Controls.ButtonControl) required for backwards compatibility with the XRSDK layouts. This represents the overall tracking state of the device. This value is equivalent to mapping devicePose/isTracked.
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/// </summary>
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[Preserve, InputControl(offset = 8, usage = "IsTracked")]
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public ButtonControl isTracked { get; private set; }
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/// <summary>
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/// A [IntegerControl](xref:UnityEngine.InputSystem.Controls.IntegerControl) required for backwards compatibility with the XRSDK layouts. This represents the bit flag set to indicate what data is valid. This value is equivalent to mapping devicePose/trackingState.
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/// </summary>
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[Preserve, InputControl(offset = 12, usage = "TrackingState")]
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public IntegerControl trackingState { get; private set; }
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/// <summary>
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/// A [Vector3Control](xref:UnityEngine.InputSystem.Controls.Vector3Control) required for backwards compatibility with the XRSDK layouts. This is the device position. For the VIVE Focus 3 device, this is both the device and the pointer position. This value is equivalent to mapping devicePose/position.
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/// </summary>
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[Preserve, InputControl(offset = 16, alias = "gripPosition")]
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public Vector3Control devicePosition { get; private set; }
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/// <summary>
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/// A [QuaternionControl](xref:UnityEngine.InputSystem.Controls.QuaternionControl) required for backwards compatibility with the XRSDK layouts. This is the device orientation. For the VIVE Focus 3 device, this is both the device and the pointer rotation. This value is equivalent to mapping devicePose/rotation.
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/// </summary>
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[Preserve, InputControl(offset = 28, alias = "gripOrientation")]
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public QuaternionControl deviceRotation { get; private set; }
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/// <summary>
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/// Internal call used to assign controls to the the correct element.
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/// </summary>
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protected override void FinishSetup()
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{
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DEBUG("FinishSetup() interfaceName: " + description.interfaceName
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+ ", deviceClass: " + description.deviceClass
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+ ", product: " + description.product
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+ ", serial: " + description.serial
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+ ", version: " + description.version);
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base.FinishSetup();
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selectValue = GetChildControl<AxisControl>("selectValue");
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gripValue = GetChildControl<AxisControl>("gripValue");
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devicePose = GetChildControl<PoseControl>("devicePose");
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pointerPose = GetChildControl<PoseControl>("pointerPose");
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isTracked = GetChildControl<ButtonControl>("isTracked");
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trackingState = GetChildControl<IntegerControl>("trackingState");
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devicePosition = GetChildControl<Vector3Control>("devicePosition");
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deviceRotation = GetChildControl<QuaternionControl>("deviceRotation");
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}
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}
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#pragma warning disable
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private bool m_XrInstanceCreated = false;
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#pragma warning restore
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private XrInstance m_XrInstance = 0;
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/// <summary>
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/// Called when <see href="https://registry.khronos.org/OpenXR/specs/1.0/html/xrspec.html#xrCreateInstance">xrCreateInstance</see> is done.
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/// </summary>
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/// <param name="xrInstance">The created instance.</param>
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/// <returns>True for valid <see cref="XrInstance">XrInstance</see></returns>
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protected override bool OnInstanceCreate(ulong xrInstance)
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{
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// Requires the eye tracking extension
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if (!OpenXRRuntime.IsExtensionEnabled(kOpenxrExtensionString))
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{
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sb.Clear().Append(LOG_TAG).Append("OnInstanceCreate() ").Append(kOpenxrExtensionString).Append(" is NOT enabled."); WARNING(sb);
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return false;
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}
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m_XrInstanceCreated = true;
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m_XrInstance = xrInstance;
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sb.Clear().Append(LOG_TAG).Append("OnInstanceCreate() " + m_XrInstance); DEBUG(sb);
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return base.OnInstanceCreate(xrInstance);
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}
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private const string kLayoutName = "ViveHandInteraction";
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private const string kDeviceLocalizedName = "Vive Hand Interaction OpenXR";
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/// <summary>
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/// Registers the <see cref="HandInteractionDevice"/> layout with the Input System.
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/// </summary>
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protected override void RegisterDeviceLayout()
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{
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sb.Clear().Append(LOG_TAG).Append("RegisterDeviceLayout() Layout: ").Append(kLayoutName)
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.Append(", Product: ").Append(kDeviceLocalizedName);
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DEBUG(sb);
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InputSystem.RegisterLayout(typeof(HandInteractionDevice),
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kLayoutName,
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matches: new InputDeviceMatcher()
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.WithInterface(XRUtilities.InterfaceMatchAnyVersion)
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.WithProduct(kDeviceLocalizedName));
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}
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/// <summary>
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/// Removes the <see cref="HandInteractionDevice"/> layout from the Input System.
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/// </summary>
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protected override void UnregisterDeviceLayout()
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{
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sb.Clear().Append(LOG_TAG).Append("UnregisterDeviceLayout() ").Append(kLayoutName); DEBUG(sb);
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InputSystem.RemoveLayout(kLayoutName);
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}
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/// <summary>
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/// Registers action maps to Unity XR.
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/// </summary>
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protected override void RegisterActionMapsWithRuntime()
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{
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sb.Clear().Append(LOG_TAG).Append("RegisterActionMapsWithRuntime() Action map vivehandinteraction")
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.Append(", localizedName: ").Append(kDeviceLocalizedName)
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.Append(", desiredInteractionProfile").Append(profile);
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DEBUG(sb);
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ActionMapConfig actionMap = new ActionMapConfig()
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{
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name = "vivehandinteraction",
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localizedName = kDeviceLocalizedName,
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desiredInteractionProfile = profile,
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manufacturer = "HTC",
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serialNumber = "",
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deviceInfos = new List<DeviceConfig>()
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{
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new DeviceConfig()
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{
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characteristics = InputDeviceCharacteristics.TrackedDevice | InputDeviceCharacteristics.HandTracking | InputDeviceCharacteristics.Left,
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userPath = leftHand // "/user/hand_htc/left"
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},
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new DeviceConfig()
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{
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characteristics = InputDeviceCharacteristics.TrackedDevice | InputDeviceCharacteristics.HandTracking | InputDeviceCharacteristics.Right,
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userPath = rightHand // "/user/hand_htc/right"
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}
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},
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actions = new List<ActionConfig>()
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{
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// Grip Axis
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new ActionConfig()
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{
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name = "gripValue",
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localizedName = "Grip Axis",
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type = ActionType.Axis1D,
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usages = new List<string>()
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{
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"Grip"
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},
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bindings = new List<ActionBinding>()
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{
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new ActionBinding()
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{
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interactionPath = gripValue,
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interactionProfileName = profile,
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}
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}
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},
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// Select Axis
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new ActionConfig()
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{
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name = "selectValue",
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localizedName = "Select Axis",
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type = ActionType.Axis1D,
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usages = new List<string>()
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{
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"Select"
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},
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bindings = new List<ActionBinding>()
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{
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new ActionBinding()
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{
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interactionPath = selectValue,
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interactionProfileName = profile,
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}
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}
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},
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// Grip pose
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new ActionConfig()
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{
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name = "devicePose",
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localizedName = "Device Pose",
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type = ActionType.Pose,
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usages = new List<string>()
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{
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"Device"
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},
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bindings = new List<ActionBinding>()
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{
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new ActionBinding()
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|
|
|
{
|
|
|
|
|
interactionPath = devicePose,
|
|
|
|
|
interactionProfileName = profile,
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
},
|
|
|
|
|
// Pointer Pose
|
|
|
|
|
new ActionConfig()
|
|
|
|
|
{
|
|
|
|
|
name = "pointerPose",
|
|
|
|
|
localizedName = "Pointer Pose",
|
|
|
|
|
type = ActionType.Pose,
|
|
|
|
|
usages = new List<string>()
|
|
|
|
|
{
|
|
|
|
|
"Pointer"
|
|
|
|
|
},
|
|
|
|
|
bindings = new List<ActionBinding>()
|
|
|
|
|
{
|
|
|
|
|
new ActionBinding()
|
|
|
|
|
{
|
|
|
|
|
interactionPath = pointerPose,
|
|
|
|
|
interactionProfileName = profile,
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
AddActionMap(actionMap);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
srl87