/// <summary>
/// Create and register a new attachment point.
/// </summary>
/// <remarks>
/// The attachment point itself is a fairly opaque handle. Its effects are propagated to the client via the
/// two handlers associated with it.
/// The optional context attachment point provides an optional contextual hint to where in the anchor
/// graph to bind the new attachment point.
/// See <see cref="IAttachmentPointManager.CreateAttachmentPoint"/>.
/// </remarks>
/// <param name="frozenPosition">The position in the frozen space at which to start the attachment point</param>
/// <param name="context">The optional context into which to create the attachment point (may be null)</param>
/// <param name="locationHandler">Delegate to handle WorldLocking system adjustments to position</param>
/// <param name="stateHandler">Delegate to handle WorldLocking connectivity changes</param>
/// <returns>The new attachment point interface.</returns>
public IAttachmentPoint CreateAttachmentPoint(Vector3 frozenPosition, IAttachmentPoint context,
AdjustLocationDelegate locationHandler, AdjustStateDelegate stateHandler)
{
FragmentId fragmentId = GetTargetFragmentId(context);
AttachmentPoint attachPoint = new AttachmentPoint(locationHandler, stateHandler);
attachPoint.ObjectPosition = frozenPosition;
if (fragmentId.IsKnown())
{
SetupAttachmentPoint(plugin, attachPoint, context);
Fragment fragment = EnsureFragment(fragmentId);
Debug.Assert(fragment != null, "Valid fragmentId but no fragment found");
fragment.AddAttachmentPoint(attachPoint);
}
else
{
AddPendingAttachmentPoint(attachPoint, context);
}
return(attachPoint);
}
/// <summary>
/// Constructor, sets handlers
/// </summary>
/// <param name="locationHandler">Handler for positional adjustments, may be null.</param>
/// <param name="stateHandler">Handler for connectivity adjustments, may be null.</param>
public AttachmentPoint(AdjustLocationDelegate locationHandler, AdjustStateDelegate stateHandler)
{
this.LocationHandler = locationHandler;
this.StateHandler = stateHandler;
}