protected async void OnEnable()
{
if (!TryGetComponent(out m_arAnchorManager) || !m_arAnchorManager.enabled || m_arAnchorManager.subsystem == null)
{
Debug.Log($"ARAnchorManager not enabled or available; sample anchor functionality will not be enabled.");
return;
}
foreach (ARAnchor existingAnchor in m_arAnchorManager.trackables)
{
if (!m_anchors.Contains(existingAnchor))
{
Debug.Log($"Anchor added from ARAnchorManager's trackables: {existingAnchor.trackableId}, OpenXR Handle: {existingAnchor.GetOpenXRHandle()}");
m_anchors.Add(existingAnchor);
}
}
m_arAnchorManager.anchorsChanged += AnchorsChanged;
m_anchorStore = await m_arAnchorManager.LoadAnchorStoreAsync();
if (m_anchorStore == null)
{
Debug.Log("XRAnchorStore not available, sample anchor persistence functionality will not be enabled.");
return;
}
// Request all persisted anchors be loaded once the anchor store is loaded.
foreach (string name in m_anchorStore.PersistedAnchorNames)
{
// When a persisted anchor is requested from the anchor store, LoadAnchor returns the TrackableId which
// the anchor will use once it is loaded. To later recognize and recall the names of these anchors after
// they have loaded, this dictionary stores the TrackableIds.
TrackableId trackableId = m_anchorStore.LoadAnchor(name);
m_incomingPersistedAnchors.Add(trackableId, name);
}
}