version 2.3.0
This commit is contained in:
Sean Lu(呂祥榮)
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// Copyright HTC Corporation All Rights Reserved.
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// Remove FAKE_DATA if editor or windows is supported.
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#if UNITY_EDITOR
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#define FAKE_DATA
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#endif
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using System;
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using System.Runtime.InteropServices;
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using UnityEngine;
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using UnityEngine.XR.OpenXR;
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using UnityEngine.XR.OpenXR.Features;
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using VIVE.OpenXR.Feature;
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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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namespace VIVE.OpenXR.Anchor
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{
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#if UNITY_EDITOR
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[OpenXRFeature(UiName = "VIVE XR Anchor",
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Desc = "VIVE's implementaion of the XR_HTC_anchor.",
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Company = "HTC",
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DocumentationLink = "..\\Documentation",
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OpenxrExtensionStrings = kOpenxrExtensionString,
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Version = "1.0.0",
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BuildTargetGroups = new[] { BuildTargetGroup.Android },
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FeatureId = featureId
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)]
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#endif
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public class ViveAnchor : OpenXRFeature
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{
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public const string kOpenxrExtensionString = "XR_HTC_anchor";
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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.wave.openxr.feature.htcanchor";
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private XrInstance m_XrInstance = 0;
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private XrSession session = 0;
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private XrSystemId m_XrSystemId = 0;
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#region struct, enum, const of this extensions
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public struct XrSystemAnchorPropertiesHTC
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{
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public XrStructureType type;
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public System.IntPtr next;
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public XrBool32 supportsAnchor;
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}
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[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
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public struct XrSpatialAnchorNameHTC
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{
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[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 256)]
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public string name;
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}
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public struct XrSpatialAnchorCreateInfoHTC
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{
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public XrStructureType type;
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public System.IntPtr next;
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public XrSpace space;
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public XrPosef poseInSpace;
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public XrSpatialAnchorNameHTC name;
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}
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#endregion
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#region delegates and delegate instances
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delegate XrResult DelegateXrCreateSpatialAnchorHTC(XrSession session, ref XrSpatialAnchorCreateInfoHTC createInfo, ref XrSpace anchor);
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delegate XrResult DelegateXrGetSpatialAnchorNameHTC(XrSpace anchor, ref XrSpatialAnchorNameHTC name);
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DelegateXrCreateSpatialAnchorHTC XrCreateSpatialAnchorHTC;
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DelegateXrGetSpatialAnchorNameHTC XrGetSpatialAnchorNameHTC;
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#endregion delegates and delegate instances
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#region override functions
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/// <inheritdoc />
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protected override IntPtr HookGetInstanceProcAddr(IntPtr func)
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{
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Debug.Log("ViveAnchor HookGetInstanceProcAddr() ");
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return ViveInterceptors.Instance.HookGetInstanceProcAddr(func);
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}
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/// <inheritdoc />
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protected override bool OnInstanceCreate(ulong xrInstance)
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{
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//Debug.Log("VIVEAnchor OnInstanceCreate() ");
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if (!OpenXRRuntime.IsExtensionEnabled(kOpenxrExtensionString))
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{
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Debug.LogWarning("ViveAnchor OnInstanceCreate() " + kOpenxrExtensionString + " is NOT enabled.");
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return false;
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}
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m_XrInstance = xrInstance;
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//Debug.Log("OnInstanceCreate() " + m_XrInstance);
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CommonWrapper.Instance.OnInstanceCreate(xrInstance, xrGetInstanceProcAddr);
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SpaceWrapper.Instance.OnInstanceCreate(xrInstance, CommonWrapper.Instance.GetInstanceProcAddr);
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return GetXrFunctionDelegates(m_XrInstance);
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}
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protected override void OnInstanceDestroy(ulong xrInstance)
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{
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CommonWrapper.Instance.OnInstanceDestroy();
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SpaceWrapper.Instance.OnInstanceDestroy();
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}
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/// <inheritdoc />
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protected override void OnSessionCreate(ulong xrSession)
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{
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Debug.Log("ViveAnchor OnSessionCreate() ");
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// here's one way you can grab the session
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Debug.Log($"EXT: Got xrSession: {xrSession}");
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session = xrSession;
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}
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/// <inheritdoc />
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protected override void OnSessionBegin(ulong xrSession)
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{
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Debug.Log("ViveAnchor OnSessionBegin() ");
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Debug.Log($"EXT: xrBeginSession: {xrSession}");
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}
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/// <inheritdoc />
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protected override void OnSessionEnd(ulong xrSession)
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{
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Debug.Log("ViveAnchor OnSessionEnd() ");
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Debug.Log($"EXT: about to xrEndSession: {xrSession}");
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}
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// XXX Every millisecond the AppSpace switched from one space to another space. I don't know what is going on.
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//private ulong appSpace;
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//protected override void OnAppSpaceChange(ulong space)
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//{
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// //Debug.Log($"VIVEAnchor OnAppSpaceChange({appSpace} -> {space})");
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// appSpace = space;
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//}
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/// <inheritdoc />
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protected override void OnSystemChange(ulong xrSystem)
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{
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m_XrSystemId = xrSystem;
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Debug.Log("ViveAnchor OnSystemChange() " + m_XrSystemId);
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}
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#endregion override functions
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private bool GetXrFunctionDelegates(XrInstance xrInstance)
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{
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Debug.Log("ViveAnchor GetXrFunctionDelegates() ");
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bool ret = true;
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IntPtr funcPtr = IntPtr.Zero;
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OpenXRHelper.xrGetInstanceProcAddrDelegate GetAddr = CommonWrapper.Instance.GetInstanceProcAddr; // shorter name
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ret &= OpenXRHelper.GetXrFunctionDelegate(GetAddr, xrInstance, "xrCreateSpatialAnchorHTC", out XrCreateSpatialAnchorHTC);
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ret &= OpenXRHelper.GetXrFunctionDelegate(GetAddr, xrInstance, "xrGetSpatialAnchorNameHTC", out XrGetSpatialAnchorNameHTC);
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return ret;
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}
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#region functions of extension
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/// <summary>
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/// Helper function to get this feature' properties.
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/// See <see href="https://registry.khronos.org/OpenXR/specs/1.0/html/xrspec.html#xrGetSystemProperties">xrGetSystemProperties</see>
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/// </summary>
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public XrResult GetProperties(out XrSystemAnchorPropertiesHTC anchorProperties)
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{
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anchorProperties = new XrSystemAnchorPropertiesHTC();
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anchorProperties.type = XrStructureType.XR_TYPE_SYSTEM_ANCHOR_PROPERTIES_HTC;
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#if FAKE_DATA
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if (Application.isEditor)
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{
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anchorProperties.type = XrStructureType.XR_TYPE_SYSTEM_ANCHOR_PROPERTIES_HTC;
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anchorProperties.supportsAnchor = true;
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return XrResult.XR_SUCCESS;
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}
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#endif
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return CommonWrapper.Instance.GetProperties(m_XrInstance, m_XrSystemId, ref anchorProperties);
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}
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public XrResult CreateSpatialAnchor(XrSpatialAnchorCreateInfoHTC createInfo, out XrSpace anchor)
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{
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anchor = default;
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#if FAKE_DATA
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if (Application.isEditor)
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return XrResult.XR_SUCCESS;
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#endif
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var ret = XrCreateSpatialAnchorHTC(session, ref createInfo, ref anchor);
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Debug.Log("ViveAnchor CreateSpatialAnchor() r=" + ret + ", a=" + anchor + ", bs=" + createInfo.space +
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", pos=(" + createInfo.poseInSpace.position.x + "," + createInfo.poseInSpace.position.y + "," + createInfo.poseInSpace.position.z +
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"), rot=(" + createInfo.poseInSpace.orientation.x + "," + createInfo.poseInSpace.orientation.y + "," + createInfo.poseInSpace.orientation.z + "," + createInfo.poseInSpace.orientation.w +
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"), n=" + createInfo.name.name);
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return ret;
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}
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public XrResult GetSpatialAnchorName(XrSpace anchor, out XrSpatialAnchorNameHTC name)
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{
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name = default;
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#if FAKE_DATA
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if (Application.isEditor)
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{
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name.name = "fake anchor";
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return XrResult.XR_SUCCESS;
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}
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#endif
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return XrGetSpatialAnchorNameHTC(anchor, ref name);
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}
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#endregion
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#region tools for user
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/// <summary>
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/// According to XRInputSubsystem's tracking origin mode, return the corresponding XrSpace.
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/// </summary>
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/// <returns></returns>
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public XrSpace GetTrackingSpace()
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{
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var s = GetCurrentAppSpace();
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Debug.Log("ViveAnchor GetTrackingSpace() s=" + s);
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return s;
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}
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#endregion
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}
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}
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