Files
VR-WuKong/Packages/PICO Unity Integration SDK-3.3.2-20251111/Runtime/Subsystem/PXR_AnchorSubsystem.cs
2025-11-13 17:40:28 +08:00

336 lines
14 KiB
C#

#if AR_FOUNDATION_5 || AR_FOUNDATION_6
using System;
using System.Collections;
using System.Collections.Generic;
using System.Threading;
using System.Threading.Tasks;
using Unity.Collections;
using UnityEngine;
using UnityEngine.XR.ARSubsystems;
namespace Unity.XR.PXR
{
public class PXR_AnchorSubsystem : XRAnchorSubsystem
{
internal const string k_SubsystemId = "PXR_AnchorSubsystem";
class PXR_AnchorProvider : Provider
{
private Dictionary<TrackableId, ulong> trackableIdToHandleMap;
private Dictionary<ulong, XRAnchor> handleToXRAnchorMap;
private HashSet<ulong> managedAnchorHandles;
private Dictionary<Guid, ulong> lastAnchorToTime;
private bool isInit = false;
public override void Start()
{
StartSpatialAnchorProvider();
}
private async void StartSpatialAnchorProvider()
{
var result = await PXR_MixedReality.StartSenseDataProvider(PxrSenseDataProviderType.SpatialAnchor);
if (result == PxrResult.SUCCESS)
{
if (!isInit)
{
trackableIdToHandleMap = new Dictionary<TrackableId, ulong>();
handleToXRAnchorMap = new Dictionary<ulong, XRAnchor>();
managedAnchorHandles = new HashSet<ulong>();
isInit = true;
}
}
else
{
Debug.LogError("Spatial Anchor Provider Start Failed:" + result);
}
}
public override void Stop()
{
var result = PXR_MixedReality.StopSenseDataProvider(PxrSenseDataProviderType.SpatialAnchor);
if (result == PxrResult.SUCCESS)
{
}
else
{
Debug.LogError("Spatial Anchor Provider Stop Failed:" + result);
}
}
public override void Destroy()
{
}
public override TrackableChanges<XRAnchor> GetChanges(XRAnchor defaultAnchor, Allocator allocator)
{
return new TrackableChanges<XRAnchor>();
}
#if AR_FOUNDATION_5
public override bool TryAddAnchor(Pose pose, out XRAnchor anchor)
{
var tcs = new TaskCompletionSource<(PxrResult result, ulong anchorHandle, Guid uuid)>();
var tcs2 = new TaskCompletionSource<PxrResult>();
Task.Run(() =>
{
var (pxrResult, handle, guid) = PXR_MixedReality.CreateSpatialAnchorAsync(pose.position, pose.rotation).Result;
tcs.SetResult((pxrResult, handle, guid));
});
var (result, anchorHandle, uuid) = tcs.Task.Result;
if (result == PxrResult.SUCCESS)
{
Task.Run(() =>
{
var pxrResult = PXR_MixedReality.PersistSpatialAnchorAsync(anchorHandle).Result;
tcs2.SetResult(pxrResult);
});
var result2 = tcs2.Task.Result;
if (result2 == PxrResult.SUCCESS)
{
var bytes = uuid.ToByteArray();
var trackabledId = new TrackableId(BitConverter.ToUInt64(bytes, 0), BitConverter.ToUInt64(bytes, 8));
var nativePtr = new IntPtr((long)anchorHandle);
anchor = new XRAnchor(trackabledId, pose, TrackingState.Tracking, nativePtr);
trackableIdToHandleMap[trackabledId] = anchorHandle;
handleToXRAnchorMap[anchorHandle] = anchor;
return true;
}
else
{
anchor = XRAnchor.defaultValue;
return false;
}
}
else
{
anchor = XRAnchor.defaultValue;
return false;
}
}
public override bool TryRemoveAnchor(TrackableId anchorId)
{
if (trackableIdToHandleMap.TryGetValue(anchorId, out var anchorHandle))
{
var result = PXR_MixedReality.DestroyAnchor(anchorHandle);
if (result == PxrResult.SUCCESS)
{
var tcs = new TaskCompletionSource<PxrResult>();
Task.Run(() =>
{
var pxrResult = PXR_MixedReality.UnPersistSpatialAnchorAsync(anchorHandle).Result;
tcs.SetResult(pxrResult);
});
var result1 = tcs.Task.Result;
if (result1 == PxrResult.SUCCESS)
{
return true;
}
else
{
return false;
}
}
else
{
return false;
}
}
else
{
return false;
}
}
#endif
#if AR_FOUNDATION_6
public override Awaitable<Result<XRAnchor>> TryAddAnchorAsync(Pose pose)
{
var synchronousResultStatus = new XRResultStatus(XRResultStatus.StatusCode.UnknownError);
var awaitable = new AwaitableCompletionSource<Result<XRAnchor>>();
var anchor = XRAnchor.defaultValue;
var tcs = new TaskCompletionSource<(PxrResult result, ulong anchorHandle, Guid uuid)>();
Task.Run(() =>
{
var (pxrResult, handle, guid) = PXR_MixedReality.CreateSpatialAnchorAsync(pose.position, pose.rotation).Result;
tcs.SetResult((pxrResult, handle, guid));
});
var (result, anchorHandle, uuid) = tcs.Task.Result;
if (result == PxrResult.SUCCESS)
{
var bytes = uuid.ToByteArray();
var trackabledId = new TrackableId(BitConverter.ToUInt64(bytes, 0), BitConverter.ToUInt64(bytes, 8));
var nativePtr = new IntPtr((long)anchorHandle);
synchronousResultStatus = new XRResultStatus(XRResultStatus.StatusCode.UnqualifiedSuccess);
anchor = new XRAnchor(trackabledId, pose, TrackingState.Tracking, nativePtr);
trackableIdToHandleMap[trackabledId] = anchorHandle;
handleToXRAnchorMap[anchorHandle] = anchor;
}
var returnResult = new Result<XRAnchor>(synchronousResultStatus, anchor);
awaitable.SetResult(returnResult);
return awaitable.Awaitable;
}
public override Awaitable<Result<SerializableGuid>> TrySaveAnchorAsync(TrackableId anchorId, CancellationToken cancellationToken = default)
{
var tcs2 = new TaskCompletionSource<PxrResult>();
var synchronousResultStatus = new XRResultStatus(XRResultStatus.StatusCode.UnknownError);
var awaitable = new AwaitableCompletionSource<Result<SerializableGuid>>();
var returnResult = new Result<SerializableGuid>(synchronousResultStatus, default);
if (trackableIdToHandleMap.TryGetValue(anchorId, out var anchorHandle))
{
Task.Run(() =>
{
var pxrResult = PXR_MixedReality.PersistSpatialAnchorAsync(anchorHandle, cancellationToken).Result;
tcs2.SetResult(pxrResult);
});
var result2 = tcs2.Task.Result;
if (result2 == PxrResult.SUCCESS)
{
synchronousResultStatus = new XRResultStatus(XRResultStatus.StatusCode.UnqualifiedSuccess);
returnResult = new Result<SerializableGuid>(synchronousResultStatus, anchorId);
}
else
{
synchronousResultStatus = new XRResultStatus(XRResultStatus.StatusCode.PlatformError, (int)result2);
returnResult = new Result<SerializableGuid>(synchronousResultStatus, default);
}
}
awaitable.SetResult(returnResult);
return awaitable.Awaitable;
}
public override Awaitable<XRResultStatus> TryEraseAnchorAsync(SerializableGuid savedAnchorGuid, CancellationToken cancellationToken = default)
{
var tcs = new TaskCompletionSource<PxrResult>();
var synchronousResultStatus = new XRResultStatus(XRResultStatus.StatusCode.UnknownError);
var awaitable = new AwaitableCompletionSource<XRResultStatus>();
if (trackableIdToHandleMap.TryGetValue(savedAnchorGuid, out var anchorHandle))
{
Task.Run(() =>
{
var pxrResult = PXR_MixedReality.UnPersistSpatialAnchorAsync(anchorHandle, cancellationToken).Result;
tcs.SetResult(pxrResult);
});
var result1 = tcs.Task.Result;
if (result1 == PxrResult.SUCCESS)
{
synchronousResultStatus = new XRResultStatus(XRResultStatus.StatusCode.UnqualifiedSuccess);
}
else
{
synchronousResultStatus = new XRResultStatus(XRResultStatus.StatusCode.PlatformError, (int)result1);
}
}
awaitable.SetResult(synchronousResultStatus);
return awaitable.Awaitable;
}
public override bool TryRemoveAnchor(TrackableId anchorId)
{
if (trackableIdToHandleMap.TryGetValue(anchorId, out var anchorHandle))
{
var result = PXR_MixedReality.DestroyAnchor(anchorHandle);
if (result == PxrResult.SUCCESS)
{
return true;
}
else
{
return false;
}
}
else
{
return false;
}
}
public override Awaitable<Result<XRAnchor>> TryLoadAnchorAsync(SerializableGuid savedAnchorGuid, CancellationToken cancellationToken = default)
{
var tcs = new TaskCompletionSource<(PxrResult result, List<ulong> anchorHandleList)>();
var synchronousResultStatus = new XRResultStatus(XRResultStatus.StatusCode.UnknownError);
var awaitable = new AwaitableCompletionSource<Result<XRAnchor>>();
var anchor = XRAnchor.defaultValue;
var guid = savedAnchorGuid.guid;
Guid[] guids = { guid };
Task.Run(() =>
{
var pxrResult = PXR_MixedReality.QuerySpatialAnchorAsync(guids).Result;
tcs.SetResult(pxrResult);
});
var result1 = tcs.Task.Result;
if (result1.result == PxrResult.SUCCESS)
{
for (int i = 0; i < result1.anchorHandleList.Count; i++)
{
var nativePtr = new IntPtr((long)result1.anchorHandleList[i]);
synchronousResultStatus = new XRResultStatus(XRResultStatus.StatusCode.UnqualifiedSuccess);
PXR_MixedReality.LocateAnchor(result1.anchorHandleList[i], out var position, out var quaternion);
anchor = new XRAnchor(savedAnchorGuid, new Pose(position,quaternion), TrackingState.Tracking, nativePtr);
trackableIdToHandleMap[savedAnchorGuid] = result1.anchorHandleList[i];
handleToXRAnchorMap[result1.anchorHandleList[i]] = anchor;
}
}
var returnResult = new Result<XRAnchor>(synchronousResultStatus, anchor);
awaitable.SetResult(returnResult);
return awaitable.Awaitable;
}
#endif
}
[RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.SubsystemRegistration)]
static void RegisterDescriptor()
{
#if AR_FOUNDATION_5
var cInfo = new XRAnchorSubsystemDescriptor.Cinfo()
{
id = k_SubsystemId,
providerType = typeof(PXR_AnchorProvider),
subsystemTypeOverride = typeof(PXR_AnchorSubsystem),
supportsTrackableAttachments = false
};
XRAnchorSubsystemDescriptor.Create(cInfo);
#endif
#if AR_FOUNDATION_6
var cInfo = new XRAnchorSubsystemDescriptor.Cinfo()
{
id = k_SubsystemId,
providerType = typeof(PXR_AnchorProvider),
subsystemTypeOverride = typeof(PXR_AnchorSubsystem),
supportsTrackableAttachments = false,
supportsSynchronousAdd = false,
supportsSaveAnchor = true,
supportsLoadAnchor = true,
supportsEraseAnchor = true,
supportsGetSavedAnchorIds = false,
supportsAsyncCancellation = false
};
XRAnchorSubsystemDescriptor.Register(cInfo);
#endif
}
}
}
#endif