/// <summary>
/// Invoked when a new [XRReferenceObject](xref:UnityEngine.XR.ARSubsystems.XRReferenceObject) is added to an
/// [XRReferenceObjectLibrary](xref:UnityEngine.XR.ARSubsystems.XRReferenceObjectLibrary).
/// </summary>
/// <param name="library">The library to which the reference object is being added.</param>
/// <param name="xrReferenceObject">The reference object being added to the <paramref name="library"/>.</param>
protected override void OnAddToLibrary(XRReferenceObjectLibrary library, XRReferenceObject xrReferenceObject)
{
base.OnAddToLibrary(library, xrReferenceObject);
if (m_ARKitReferenceObject == null)
{
return;
}
var instance = XRGeneralSettings.Instance;
if (instance == null)
{
return;
}
var manager = instance.Manager;
if (manager == null)
{
return;
}
var loader = manager.activeLoader;
if (loader == null)
{
return;
}
if (loader.GetLoadedSubsystem <XRObjectTrackingSubsystem>() is ARKitXRObjectTrackingSubsystem subsystem)
{
subsystem.AddReferenceObject(library, GetARKitReferenceObject(xrReferenceObject));
}
}
public ARReferenceObject(XRReferenceObject referenceObject, ARKitReferenceObjectEntry entry)
{
m_Path = AssetDatabase.GetAssetPath(entry);
if (string.IsNullOrEmpty(m_Path))
{
throw new InvalidAssetPathException();
}
var info = ARObjectImporter.ReadInfo(m_Path);
if (!info.HasValue)
{
throw new MissingMetadataException();
}
else if (string.IsNullOrEmpty(info.Value.trackingDataReference))
{
throw new MissingTrackingDataException();
}
name = referenceObject.name + "_" + referenceObject.guid.ToUUIDString();
}
internal ARReferenceObject GetARKitReferenceObject(XRReferenceObject referenceObject)
{
m_ARKitReferenceObject.SetName(referenceObject);
return(m_ARKitReferenceObject);
}
/// <summary>
/// Invoked when an <see cref="XRReferenceObject"/> is added to an <see cref="XRReferenceObjectLibrary"/>.
/// </summary>
/// <remarks>
/// Override this method if your <see cref="XRReferenceObjectEntry"/> needs to perform logic when a novel
/// <see cref="XRReferenceObject"/> is added to an <see cref="XRReferenceObjectLibrary"/>.
///
/// The default implementation takes no action and has no effect.
/// </remarks>
/// <param name="library">The library to which <param name="referenceObject"> is being added.</param></param>
/// <param name="referenceObject">The reference object being added to <paramref name="library"/>.</param>
protected internal virtual void OnAddToLibrary(XRReferenceObjectLibrary library, XRReferenceObject referenceObject)
{
}