public static AnchorManagerXR TryCreate(IPlugin plugin, IHeadPoseTracker headTracker)
{
/// Try to find an XRReferencePointManager (to be XRAnchorManager) here.
/// If we fail that,
/// give up.
/// Else
/// pass the manager into AnchorManagerXR for its use.
XRReferencePointSubsystem xrReferencePointManager = FindReferencePointManager();
if (xrReferencePointManager == null)
{
return(null);
}
if (!xrReferencePointManager.running)
{
xrReferencePointManager.Start();
}
var session = FindSessionSubsystem();
if (session == null)
{
return(null);
}
AnchorManagerXR anchorManager = new AnchorManagerXR(plugin, headTracker, xrReferencePointManager, session);
return(anchorManager);
}
public static AnchorManagerXR TryCreate(IPlugin plugin, IHeadPoseTracker headTracker)
{
/// Try to find an XRAnchorManager (to be XRAnchorManager) here.
/// If we fail that,
/// give up.
/// Else
/// pass the manager into AnchorManagerXR for its use.
XRAnchorSubsystem xrAnchorManager = FindAnchorManager();
if (xrAnchorManager == null)
{
return(null);
}
if (!xrAnchorManager.running)
{
xrAnchorManager.Start();
}
var session = FindSessionSubsystem();
/// mafinc - Currently a problem in OpenXR obtaining the session subsystem.
/// Everything can function without it, it is only used for detecting loss of tracking.
//if (session == null)
//{
// return null;
//}
AnchorManagerXR anchorManager = new AnchorManagerXR(plugin, headTracker, xrAnchorManager, session);
return(anchorManager);
}
public static async Task <AnchorManagerXR> TryCreate(IPlugin plugin, IHeadPoseTracker headTracker)
{
bool xrRunning = await CheckXRRunning();
if (!xrRunning)
{
return(null);
}
/// Try to find an XRAnchorManager (to be XRAnchorManager) here.
/// If we fail that,
/// give up.
/// Else
/// pass the manager into AnchorManagerXR for its use.
XRAnchorSubsystem xrAnchorManager = FindAnchorManager();
if (xrAnchorManager == null)
{
return(null);
}
if (!xrAnchorManager.running)
{
xrAnchorManager.Start();
}
var session = FindSessionSubsystem();
AnchorManagerXR anchorManager = new AnchorManagerXR(plugin, headTracker, xrAnchorManager, session);
return(anchorManager);
}
private IAnchorManager SelectAnchorManager(IPlugin plugin, IHeadPoseTracker headTracker)
{
Debug.Log($"Select {shared.anchorSettings.anchorSubsystem} anchor manager.");
if (AnchorManager != null)
{
Debug.Log("Creating new anchormanager, but have old one. Reseting it before replacing.");
AnchorManager.Reset();
}
var anchorSettings = shared.anchorSettings;
#if WLT_ARFOUNDATION_PRESENT
if (anchorSettings.anchorSubsystem == AnchorSettings.AnchorSubsystem.DONT_USE)
{
Debug.Log($"Trying to create ARF anchor manager on {anchorSettings.ARSessionSource.name} and {anchorSettings.ARSessionOriginSource.name}");
AnchorManagerARF arfAnchorManager = AnchorManagerARF.TryCreate(plugin, headTracker,
anchorSettings.ARSessionSource, anchorSettings.ARSessionOriginSource);
if (arfAnchorManager != null)
{
Debug.Log("Success creating ARF anchor manager");
return(arfAnchorManager);
}
Debug.Log("Failed to create requested AR Foundation anchor manager!");
}
#endif // WLT_ARFOUNDATION_PRESENT
#if WLT_ARSUBSYSTEMS_PRESENT
if (anchorSettings.anchorSubsystem == AnchorSettings.AnchorSubsystem.XRSDK)
{
Debug.Log($"Trying to create XR anchor manager");
AnchorManagerXR xrAnchorManager = AnchorManagerXR.TryCreate(plugin, headTracker);
if (xrAnchorManager != null)
{
Debug.Log("Success creating XR anchor manager");
return(xrAnchorManager);
}
Debug.Log("Failed to create requested XR SDK anchor manager!");
}
#endif // WLT_ARSUBSYSTEMS_PRESENT
#if UNITY_WSA
if (anchorSettings.anchorSubsystem == AnchorSettings.AnchorSubsystem.WSA)
{
AnchorManagerWSA wsaAnchorManager = AnchorManagerWSA.TryCreate(plugin, headTracker);
if (wsaAnchorManager != null)
{
Debug.Log("Success creating WSA anchor manager");
return(wsaAnchorManager);
}
Debug.Log("Failed to create requested WSA anchor manager!");
}
#endif // UNITY_WSA
if (anchorSettings.anchorSubsystem != AnchorSettings.AnchorSubsystem.Null)
{
Debug.Log("Failure creating useful anchor manager of any type. Creating null manager");
anchorSettings.anchorSubsystem = AnchorSettings.AnchorSubsystem.Null;
}
AnchorManagerNull nullAnchorManager = AnchorManagerNull.TryCreate(plugin, headTracker);
Debug.Assert(nullAnchorManager != null, "Creation of Null anchor manager should never fail.");
return(nullAnchorManager);
}
/// <summary>
/// Update is called by the update proxy.
/// </summary>
private void Update()
{
ErrorStatus = "";
if (hasPendingLoadTask)
{
ErrorStatus = "pending background load task";
return;
}
if (AdjustmentFrame == null)
{
Debug.Log("No WLM update because no adjustment frame set");
ErrorStatus = "no adjustment frame";
return;
}
// AnchorManager.Update takes care of creating anchors&edges and feeding the up-to-date state
// into the FrozenWorld engine
bool hasSpongyAnchors = AnchorManager.Update();
//#if UNITY_WSA
if (!hasSpongyAnchors)
{
// IFragmentManager.Pause() will set all fragments to disconnected.
ErrorStatus = AnchorManager.ErrorStatus;
FragmentManager.Pause();
return;
}
//#endif // UNITY_WSA
try
{
DiagnosticRecordings.Update();
}
catch (Exception exception)
{
Debug.LogErrorFormat("Error writing WorldLocking diagnostics record: {0}", exception);
}
// The basic output from the FrozenWorld engine (current fragment and its alignment)
// are applied to the unity scene
FragmentManager.Update(AutoRefreeze, AutoMerge);
/// The following assumes a camera hierarchy like this:
/// Nodes_A => AdjustmentFrame => Nodes_B => camera
/// The cumulative effect of Nodes_B is to transform from Spongy space to playspace.
/// Spongy space is the space that the camera moves about in, and is the space that
/// coordinates coming from scene agnostic APIs like XR are in.
/// (Note the MRTK APIs are in Unity's global space, not Spongy space.
/// The internal structure of that graph is inconsequential here, the only dependency
/// is on the cumulative transform, PlayspaceFromSpongy.
/// Likewise, the cumulative effect of Nodes_A is to transform from alignment space (described below)
/// to Unity's global space, referred to here as FrozenSpace.
/// The AdjustmentFrame's transform is composed of two transforms.
/// The first comes from the FrozenWorld engine DLL as the inverse of Plugin.GetAlignment(),
/// and transforms from Playspace to the base stable world locked space, labeled as
/// LockedFromPlayspace.
/// The second transforms from this stable but arbitrary space to a space locked
/// to a finite set of real world markers. This transform is labeled PinnedFromLocked.
/// The transform chain equivalent of the above camera hierarchy is:
/// FrozenFromPinned * [PinnedFromLocked * LockedFromPlayspace] * PlayspaceFromSpongy * SpongyFromCamera
///
/// FrozenFromSpongy and its inverse are useful for converting between the coordinates of scene agnostic APIs (e.g. XR)
/// and Frozen coordinates, i.e. Unity's global space.
/// FrozenFromLocked is convenient for converting between the "frozen" coordinates of the FrozenWorld engine DLL
/// and Unity's global space, i.e. Frozen coordinate.
if (Enabled)
{
Pose playspaceFromLocked = Plugin.GetAlignment();
LockedFromPlayspace = playspaceFromLocked.Inverse();
SpongyFromCamera = Plugin.GetSpongyHead();
Pose lockedHeadPose = LockedFromPlayspace.Multiply(PlayspaceFromSpongy.Multiply(SpongyFromCamera));
alignmentManager.ComputePinnedPose(lockedHeadPose);
PinnedFromLocked = alignmentManager.PinnedFromLocked;
}
else
{
SpongyFromCamera = Camera.main.transform.GetLocalPose();
/// Note leave adjustment and pinning transforms alone, to facilitate
/// comparison of behavior when toggling FW enabled.
}
AdjustmentFrame.SetLocalPose(PinnedFromLocked.Multiply(LockedFromPlayspace));
#if false && WLT_ARSUBSYSTEMS_PRESENT
if ((AdjustmentFrame.GetGlobalPose().position != Vector3.zero) || (AdjustmentFrame.GetGlobalPose().rotation != Quaternion.identity))
{
Debug.Log($"WLT: Adj{AnchorManagerXR.DebugVector3("O=", AdjustmentFrame.GetGlobalPose().position)}, {AnchorManagerXR.DebugEuler("R=", AdjustmentFrame.GetGlobalPose().rotation.eulerAngles)}");
}
#endif // WLT_ARSUBSYSTEMS_PRESENT
AutoSaveTriggerHook();
}
private async Task <IAnchorManager> SelectAnchorManager(IPlugin plugin, IHeadPoseTracker headTracker)
{
#if false
DebugLogSetup($"Select {shared.anchorSettings.anchorSubsystem} anchor manager.");
if (AnchorManager != null)
{
DebugLogSetup("Creating new anchor manager, but have old one. Reseting it before replacing.");
AnchorManager.Reset();
}
var anchorSettings = shared.anchorSettings;
#else
if (AnchorManager != null)
{
DebugLogSetup("Creating new anchor manager, but have old one. Reseting it before replacing.");
AnchorManager.Reset();
}
var anchorSettings = shared.anchorSettings;
#if UNITY_EDITOR
if (anchorSettings.NullSubsystemInEditor)
{
DebugLogSetup($"Switching from {anchorSettings.anchorSubsystem} to AnchorSubsystem.Null because running in editor.");
anchorSettings.anchorSubsystem = AnchorSettings.AnchorSubsystem.Null;
}
#endif // UNITY_EDITOR
DebugLogSetup($"Select {anchorSettings.anchorSubsystem} anchor manager.");
#endif
#if WLT_ARFOUNDATION_PRESENT
if (anchorSettings.anchorSubsystem == AnchorSettings.AnchorSubsystem.ARFoundation)
{
DebugLogSetup($"Trying to create ARF anchor manager on {anchorSettings.ARSessionSource.name} and {anchorSettings.ARSessionOriginSource.name}");
AnchorManagerARF arfAnchorManager = await AnchorManagerARF.TryCreate(plugin, headTracker,
anchorSettings.ARSessionSource, anchorSettings.ARSessionOriginSource);
if (arfAnchorManager != null)
{
DebugLogSetup("Success creating ARF anchor manager");
return(arfAnchorManager);
}
Debug.LogError("Failed to create requested AR Foundation anchor manager!");
}
#endif // WLT_ARFOUNDATION_PRESENT
#if WLT_ARSUBSYSTEMS_PRESENT
if (anchorSettings.anchorSubsystem == AnchorSettings.AnchorSubsystem.XRSDK)
{
DebugLogSetup($"Trying to create XR anchor manager");
AnchorManagerXR xrAnchorManager = await AnchorManagerXR.TryCreate(plugin, headTracker);
if (xrAnchorManager != null)
{
DebugLogSetup("Success creating XR anchor manager");
return(xrAnchorManager);
}
Debug.LogError("Failed to create requested XR SDK anchor manager!");
}
#endif // WLT_ARSUBSYSTEMS_PRESENT
#if UNITY_WSA && !UNITY_2020_1_OR_NEWER
if (anchorSettings.anchorSubsystem == AnchorSettings.AnchorSubsystem.WSA)
{
AnchorManagerWSA wsaAnchorManager = AnchorManagerWSA.TryCreate(plugin, headTracker);
if (wsaAnchorManager != null)
{
DebugLogSetup("Success creating WSA anchor manager");
return(wsaAnchorManager);
}
Debug.LogError("Failed to create requested WSA anchor manager!");
}
#endif // UNITY_WSA
#if WLT_ARCORE_SDK_INCLUDED
if (anchorSettings.anchorSubsystem == AnchorSettings.AnchorSubsystem.ARCore)
{
AnchorManagerARCore arCoreAnchorManager = AnchorManagerARCore.TryCreate(plugin, headTracker);
if (arCoreAnchorManager != null)
{
DebugLogSetup("Success creating ARCore anchor manager");
return(arCoreAnchorManager);
}
Debug.LogError("Failed to create requested ARCore anchor manager!");
}
#endif // WLT_ARCORE_SDK_INCLUDED
if (anchorSettings.anchorSubsystem != AnchorSettings.AnchorSubsystem.Null)
{
DebugLogSetup("Failure creating useful anchor manager of any type. Creating null manager");
anchorSettings.anchorSubsystem = AnchorSettings.AnchorSubsystem.Null;
shared.anchorSettings = anchorSettings;
}
AnchorManagerNull nullAnchorManager = AnchorManagerNull.TryCreate(plugin, headTracker);
Debug.Assert(nullAnchorManager != null, "Creation of Null anchor manager should never fail.");
/// No-op await here to suppress warnings if no anchor manager system which requires asynchronous startup is compiled in.
await Task.CompletedTask;
return(nullAnchorManager);
}
