96 lines
3.0 KiB
C#
96 lines
3.0 KiB
C#
using UnityEngine.XR.Interaction.Toolkit;
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namespace UnityEngine.XR.Content.Interaction
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{
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/// <summary>
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/// This component makes sure that the attached <c>Interactor</c> always have an interactable selected.
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/// This is accomplished by forcing the <c>Interactor</c> to select a new <c>Interactable Prefab</c> instance whenever
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/// it loses the current selected interactable.
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/// </summary>
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[DisallowMultipleComponent]
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[RequireComponent(typeof(XRBaseInteractor))]
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public class XRInfiniteInteractable : MonoBehaviour
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{
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[SerializeField]
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[Tooltip("Whether infinite spawning is active.")]
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bool m_Active = true;
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[SerializeField]
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[Tooltip("If true then during Awake the Interactor \"Starting Selected Interactable\" will be overriden by an " +
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"instance of the \"Interactable Prefab\".")]
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bool m_OverrideStartingSelectedInteractable;
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[SerializeField]
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[Tooltip("The Prefab or GameObject to be instantiated and selected.")]
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XRBaseInteractable m_InteractablePrefab;
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XRBaseInteractor m_Interactor;
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/// <summary>
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/// Whether infinite spawning is enabled.
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/// </summary>
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public bool active
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{
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get => m_Active;
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set
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{
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m_Active = value;
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if (enabled && value && !m_Interactor.hasSelection)
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InstantiateAndSelectInteractable();
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}
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}
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void Awake()
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{
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m_Interactor = GetComponent<XRBaseInteractor>();
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if (m_OverrideStartingSelectedInteractable)
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OverrideStartingSelectedInteractable();
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}
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void OnEnable()
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{
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if (m_InteractablePrefab == null)
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{
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Debug.LogWarning("No interactable prefab set - nothing to spawn!");
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enabled = false;
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return;
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}
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m_Interactor.selectExited.AddListener(OnSelectExited);
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}
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void OnDisable()
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{
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m_Interactor.selectExited.RemoveListener(OnSelectExited);
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}
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void OnSelectExited(SelectExitEventArgs selectExitEventArgs)
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{
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if (selectExitEventArgs.isCanceled || !active)
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return;
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InstantiateAndSelectInteractable();
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}
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XRBaseInteractable InstantiateInteractable()
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{
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var socketTransform = m_Interactor.transform;
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return Instantiate(m_InteractablePrefab, socketTransform.position, socketTransform.rotation);
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}
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void OverrideStartingSelectedInteractable()
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{
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m_Interactor.startingSelectedInteractable = InstantiateInteractable();
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}
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void InstantiateAndSelectInteractable()
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{
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if (!gameObject.activeInHierarchy || m_Interactor.interactionManager == null)
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return;
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m_Interactor.interactionManager.SelectEnter((IXRSelectInteractor)m_Interactor, InstantiateInteractable());
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}
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}
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}
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