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using System;
using UnityEngine.XR.Interaction.Toolkit.AffordanceSystem.State;
using UnityEngine.XR.Interaction.Toolkit.Interactables;
using UnityEngine.XR.Interaction.Toolkit.Locomotion.Teleportation;
namespace UnityEngine.XR.Interaction.Toolkit.Samples.StarterAssets
{
/// <summary>
/// Helper component that binds an <see cref="XRInteractableAffordanceStateProvider"/> to a
/// <see cref="TeleportationMultiAnchorVolume"/> when the teleport volume sets its destination anchor to a child transform
/// of the state provider's originally bound interactable.
/// </summary>
[RequireComponent(typeof(XRInteractableAffordanceStateProvider))]
[Obsolete("The Affordance System namespace and all associated classes have been deprecated. The existing affordance system will be moved, replaced and updated with a new interaction feedback system in a future version of XRI.")]
public class TeleportVolumeAnchorAffordanceStateLink : MonoBehaviour
{
[SerializeField]
[Tooltip("The teleport volume that will drive affordance states when its destination anchor belongs to this interactable.")]
TeleportationMultiAnchorVolume m_ContainingTeleportVolume;
/// <summary>
/// The teleport volume that will drive affordance states when its destination anchor belongs to the
/// state provider's originally bound interactable.
/// </summary>
public TeleportationMultiAnchorVolume containingTeleportVolume
{
get => m_ContainingTeleportVolume;
set => m_ContainingTeleportVolume = value;
}
XRInteractableAffordanceStateProvider m_AffordanceStateProvider;
IXRInteractable m_Interactable;
/// <summary>
/// See <see cref="MonoBehaviour"/>.
/// </summary>
protected void OnEnable()
{
m_AffordanceStateProvider = GetComponent<XRInteractableAffordanceStateProvider>();
if (m_AffordanceStateProvider == null)
{
Debug.LogError($"Missing {nameof(XRInteractableAffordanceStateProvider)} on {gameObject.name}.", this);
enabled = false;
return;
}
if (m_ContainingTeleportVolume == null)
{
Debug.LogError($"Missing {nameof(TeleportationMultiAnchorVolume)} reference on {gameObject.name}.", this);
enabled = false;
return;
}
var interactableSource = m_AffordanceStateProvider.interactableSource;
m_Interactable = interactableSource != null && interactableSource is IXRInteractable interactable
? interactable
: m_AffordanceStateProvider.GetComponentInParent<IXRInteractable>();
if (m_Interactable == null)
{
Debug.LogError($"Interactable source must be an {nameof(IXRInteractable)}.", this);
enabled = false;
return;
}
m_ContainingTeleportVolume.destinationAnchorChanged += OnDestinationAnchorChanged;
}
/// <summary>
/// See <see cref="MonoBehaviour"/>.
/// </summary>
protected void OnDisable()
{
if (m_ContainingTeleportVolume != null)
m_ContainingTeleportVolume.destinationAnchorChanged -= OnDestinationAnchorChanged;
if (m_AffordanceStateProvider != null)
m_AffordanceStateProvider.SetBoundInteractionReceiver(m_Interactable);
}
void OnDestinationAnchorChanged(TeleportationMultiAnchorVolume anchorVolume)
{
var anchor = anchorVolume.destinationAnchor;
if (anchor == null)
{
m_AffordanceStateProvider.SetBoundInteractionReceiver(m_Interactable);
return;
}
// Use teleport volume to drive affordance states if its current anchor belongs to this interactable
m_AffordanceStateProvider.SetBoundInteractionReceiver(
anchor.IsChildOf(m_Interactable.transform)
? m_ContainingTeleportVolume
: m_Interactable);
}
}
}
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