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VIVE-OpenXR-Unity/com.htc.upm.vive.openxr/Runtime/Features/Hand/Interaction/Scripts/ViveHandInteraction.cs
2025-02-24 12:36:31 +01:00

363 lines
16 KiB
C#

// Copyright HTC Corporation All Rights Reserved.
using UnityEngine.Scripting;
using UnityEngine.XR.OpenXR.Features;
using UnityEngine.InputSystem.Layouts;
using UnityEngine.InputSystem.XR;
using UnityEngine.InputSystem.Controls;
using UnityEngine.XR.OpenXR;
using UnityEngine;
using UnityEngine.InputSystem;
using System.Collections.Generic;
using UnityEngine.XR;
using UnityEngine.XR.OpenXR.Input;
using System.Text;
#if UNITY_EDITOR
using UnityEditor;
using UnityEditor.XR.OpenXR.Features;
#endif
#if USE_INPUT_SYSTEM_POSE_CONTROL // Scripting Define Symbol added by using OpenXR Plugin 1.6.0.
using PoseControl = UnityEngine.InputSystem.XR.PoseControl;
#else
using PoseControl = UnityEngine.XR.OpenXR.Input.PoseControl;
#endif
namespace VIVE.OpenXR.Hand
{
/// <summary>
/// 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.
/// </summary>
#if UNITY_EDITOR
[OpenXRFeature(UiName = "VIVE XR Hand Interaction",
Hidden = true,
BuildTargetGroups = new[] { BuildTargetGroup.Android, BuildTargetGroup.Standalone },
Company = "HTC",
Desc = "Support for enabling the VIVE hand interaction profile. Will register the controller map for hand interaction if enabled.",
DocumentationLink = "https://registry.khronos.org/OpenXR/specs/1.1/html/xrspec.html#XR_HTC_hand_interaction",
Version = "1.0.0",
OpenxrExtensionStrings = kOpenxrExtensionString,
Category = FeatureCategory.Interaction,
FeatureId = featureId)]
#endif
public class ViveHandInteraction : OpenXRInteractionFeature
{
#region Log
const string LOG_TAG = "VIVE.OpenXR.Hand.ViveHandInteraction ";
StringBuilder m_sb = null;
StringBuilder sb {
get {
if (m_sb == null) { m_sb = new StringBuilder(); }
return m_sb;
}
}
void DEBUG(StringBuilder msg) { Debug.LogFormat("{0} {1}", LOG_TAG, msg); }
void WARNING(StringBuilder msg) { Debug.LogWarningFormat("{0} {1}", LOG_TAG, msg); }
#endregion
/// <summary>
/// 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>.
/// </summary>
public const string kOpenxrExtensionString = "XR_HTC_hand_interaction";
/// <summary>
/// The feature id string. This is used to give the feature a well known id for reference.
/// </summary>
public const string featureId = "vive.openxr.feature.hand.interaction";
/// <summary>
/// The interaction profile string used to reference the hand interaction input device.
/// </summary>
private const string profile = "/interaction_profiles/htc/hand_interaction";
#region Supported component paths
private const string leftHand = "/user/hand_htc/left";
private const string rightHand = "/user/hand_htc/right";
/// <summary>
/// Constant for a float interaction binding '.../input/select/value' OpenXR Input Binding. Used by input subsystem to bind actions to physical inputs.
/// </summary>
public const string selectValue = "/input/select/value";
/// <summary>
/// Constant for a float interaction binding '.../input/squeeze/value' OpenXR Input Binding. Used by input subsystem to bind actions to physical inputs.
/// </summary>
public const string gripValue = "/input/squeeze/value";
/// <summary>
/// Constant for a pose interaction binding '.../input/aim/pose' OpenXR Input Binding. Used by input subsystem to bind actions to physical inputs.
/// </summary>
public const string pointerPose = "/input/aim/pose";
/// <summary>
/// Constant for a pose interaction binding '.../input/grip/pose' OpenXR Input Binding. Used by input subsystem to bind actions to physical inputs.
/// </summary>
public const string devicePose = "/input/grip/pose";
#endregion
[Preserve, InputControlLayout(displayName = "VIVE Hand Interaction (OpenXR)", commonUsages = new[] { "LeftHand", "RightHand" }, isGenericTypeOfDevice = true)]
public class HandInteractionDevice : OpenXRDevice
{
const string LOG_TAG = "VIVE.OpenXR.Hand.ViveHandInteraction.HandInteractionDevice";
void DEBUG(string msg) { Debug.LogFormat("{0} {1}", LOG_TAG, msg); }
/// <summary>
/// A <see cref="AxisControl"/> representing the <see cref="ViveHandInteraction.selectValue"/> OpenXR binding.
/// </summary>
[Preserve, InputControl(aliases = new[] { "selectAxis, pinchStrength" }, usage = "Select")]
public AxisControl selectValue { get; private set; }
/// <summary>
/// A <see cref="AxisControl"/> representing information from the <see cref="ViveHandInteraction.squeeze"/> OpenXR binding.
/// </summary>
[Preserve, InputControl(aliases = new[] { "GripAxis" }, usage = "Grip")]
public AxisControl gripValue { get; private set; }
/// <summary>
/// A <see cref="PoseControl"/> representing information from the <see cref="ViveHandInteraction.devicePose"/> OpenXR binding.
/// </summary>
[Preserve, InputControl(offset = 0, aliases = new[] { "device", "gripPose" }, usage = "Device")]
public PoseControl devicePose { get; private set; }
/// <summary>
/// A <see cref="PoseControl"/> representing the <see cref="ViveHandInteraction.pointerPose"/> OpenXR binding.
/// </summary>
[Preserve, InputControl(offset = 0, alias = "aimPose", usage = "Pointer")]
public PoseControl pointerPose { get; private set; }
/// <summary>
/// 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.
/// </summary>
[Preserve, InputControl(offset = 8)]
public ButtonControl isTracked { get; private set; }
/// <summary>
/// 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.
/// </summary>
[Preserve, InputControl(offset = 12)]
public IntegerControl trackingState { get; private set; }
/// <summary>
/// A [Vector3Control](xref:UnityEngine.InputSystem.Controls.Vector3Control) required for backwards compatibility with the XRSDK layouts. This is the device position. This value is equivalent to mapping devicePose/position.
/// </summary>
[Preserve, InputControl(offset = 16, alias = "gripPosition")]
public Vector3Control devicePosition { get; private set; }
/// <summary>
/// A [QuaternionControl](xref:UnityEngine.InputSystem.Controls.QuaternionControl) required for backwards compatibility with the XRSDK layouts. This is the device orientation. This value is equivalent to mapping devicePose/rotation.
/// </summary>
[Preserve, InputControl(offset = 28, alias = "gripOrientation")]
public QuaternionControl deviceRotation { get; private set; }
/// <summary>
/// Internal call used to assign controls to the the correct element.
/// </summary>
protected override void FinishSetup()
{
DEBUG("FinishSetup() interfaceName: " + description.interfaceName
+ ", deviceClass: " + description.deviceClass
+ ", product: " + description.product
+ ", serial: " + description.serial
+ ", version: " + description.version);
base.FinishSetup();
selectValue = GetChildControl<AxisControl>("selectValue");
gripValue = GetChildControl<AxisControl>("gripValue");
devicePose = GetChildControl<PoseControl>("devicePose");
pointerPose = GetChildControl<PoseControl>("pointerPose");
isTracked = GetChildControl<ButtonControl>("isTracked");
trackingState = GetChildControl<IntegerControl>("trackingState");
devicePosition = GetChildControl<Vector3Control>("devicePosition");
deviceRotation = GetChildControl<QuaternionControl>("deviceRotation");
}
}
#pragma warning disable
private bool m_XrInstanceCreated = false;
#pragma warning restore
private XrInstance m_XrInstance = 0;
/// <summary>
/// Called when <see href="https://registry.khronos.org/OpenXR/specs/1.0/html/xrspec.html#xrCreateInstance">xrCreateInstance</see> is done.
/// </summary>
/// <param name="xrInstance">The created instance.</param>
/// <returns>True for valid <see cref="XrInstance">XrInstance</see></returns>
protected override bool OnInstanceCreate(ulong xrInstance)
{
if (!OpenXRRuntime.IsExtensionEnabled(kOpenxrExtensionString))
{
sb.Clear().Append("OnInstanceCreate() ").Append(kOpenxrExtensionString).Append(" is NOT enabled."); WARNING(sb);
return false;
}
m_XrInstanceCreated = true;
m_XrInstance = xrInstance;
sb.Clear().Append("OnInstanceCreate() " + m_XrInstance); DEBUG(sb);
return base.OnInstanceCreate(xrInstance);
}
private const string kLayoutName = "ViveHandInteraction";
private const string kDeviceLocalizedName = "Vive Hand Interaction OpenXR";
/// <summary>
/// Registers the <see cref="HandInteractionDevice"/> layout with the Input System.
/// </summary>
protected override void RegisterDeviceLayout()
{
// sb.Clear().Append("RegisterDeviceLayout() ").Append(kLayoutName).Append(", product: ").Append(kDeviceLocalizedName); DEBUG(sb);
InputSystem.RegisterLayout(typeof(HandInteractionDevice),
kLayoutName,
matches: new InputDeviceMatcher()
.WithInterface(XRUtilities.InterfaceMatchAnyVersion)
.WithProduct(kDeviceLocalizedName));
}
/// <summary>
/// Removes the <see cref="HandInteractionDevice"/> layout from the Input System.
/// </summary>
protected override void UnregisterDeviceLayout()
{
// sb.Clear().Append("UnregisterDeviceLayout() ").Append(kLayoutName); DEBUG(sb);
InputSystem.RemoveLayout(kLayoutName);
}
#if UNITY_XR_OPENXR_1_9_1
/// <summary>
/// Return interaction profile type. HandInteractionDevice profile is Device type.
/// </summary>
/// <returns>Interaction profile type.</returns>
protected override InteractionProfileType GetInteractionProfileType()
{
return typeof(HandInteractionDevice).IsSubclassOf(typeof(XRController)) ? InteractionProfileType.XRController : InteractionProfileType.Device;
}
/// <summary>
/// Return device layer out string used for registering device HandInteractionDevice in InputSystem.
/// </summary>
/// <returns>Device layout string.</returns>
protected override string GetDeviceLayoutName()
{
return kLayoutName;
}
#endif
/// <summary>
/// Registers action maps to Unity XR.
/// </summary>
protected override void RegisterActionMapsWithRuntime()
{
sb.Clear().Append("RegisterActionMapsWithRuntime() Action map vivehandinteraction")
.Append(", localizedName: ").Append(kDeviceLocalizedName)
.Append(", desiredInteractionProfile").Append(profile);
DEBUG(sb);
ActionMapConfig actionMap = new ActionMapConfig()
{
name = "vivehandinteraction",
localizedName = kDeviceLocalizedName,
desiredInteractionProfile = profile,
manufacturer = "HTC",
serialNumber = "",
deviceInfos = new List<DeviceConfig>()
{
new DeviceConfig()
{
characteristics = InputDeviceCharacteristics.TrackedDevice | InputDeviceCharacteristics.HandTracking | InputDeviceCharacteristics.Left,
userPath = leftHand // "/user/hand_htc/left"
},
new DeviceConfig()
{
characteristics = InputDeviceCharacteristics.TrackedDevice | InputDeviceCharacteristics.HandTracking | InputDeviceCharacteristics.Right,
userPath = rightHand // "/user/hand_htc/right"
}
},
actions = new List<ActionConfig>()
{
// Grip Axis
new ActionConfig()
{
name = "gripValue",
localizedName = "Grip Axis",
type = ActionType.Axis1D,
usages = new List<string>()
{
"Grip"
},
bindings = new List<ActionBinding>()
{
new ActionBinding()
{
interactionPath = gripValue,
interactionProfileName = profile,
}
}
},
// Select Axis
new ActionConfig()
{
name = "selectValue",
localizedName = "Select Axis",
type = ActionType.Axis1D,
usages = new List<string>()
{
"Select"
},
bindings = new List<ActionBinding>()
{
new ActionBinding()
{
interactionPath = selectValue,
interactionProfileName = profile,
}
}
},
// Grip pose
new ActionConfig()
{
name = "devicePose",
localizedName = "Device Pose",
type = ActionType.Pose,
usages = new List<string>()
{
"Device"
},
bindings = new List<ActionBinding>()
{
new ActionBinding()
{
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);
}
}
}