HDRobotics/Assets/Scripts/View/InteractionView.cs

using System;
using UnityEngine;
using UnityEngine.XR.Interaction.Toolkit;
using UnityEngine.XR.Interaction.Toolkit.Interactors;

// Presenter<65><72> InteractionView<65><77> <20><><EFBFBD><EFBFBD><EFBFBD>ϱ<EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̽<EFBFBD>
public interface IInteractionView
{
    event Action<Vector3, Quaternion> OnRobotGrabbed;
    // VR <20><>Ʈ<EFBFBD>ѷ<EFBFBD><D1B7><EFBFBD> <20>κ<EFBFBD><CEBA><EFBFBD> <20><><EFBFBD>Ҵ<EFBFBD> <20><><EFBFBD><EFBFBD> <20><> <20>߻<EFBFBD>
    event Action<RobotData> OnRobotReleased;
    // VR <20><>Ʈ<EFBFBD>ѷ<EFBFBD><D1B7><EFBFBD> Ư<><C6AF> <20><><EFBFBD><EFBFBD>Ʈ<EFBFBD><C6AE> Ŭ<><C5AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20>߻<EFBFBD>
    event Action<int> OnPointClicked;
    // VR <20><>Ʈ<EFBFBD>ѷ<EFBFBD><D1B7><EFBFBD> <20><><EFBFBD><EFBFBD>Ʈ<EFBFBD><C6AE> <20><><EFBFBD><EFBFBD> <20>巡<EFBFBD><E5B7A1> <20><><EFBFBD><EFBFBD>/<2F><>/<2F><> <20><><EFBFBD><EFBFBD> <20><> <20>߻<EFBFBD>
    event Action<int> OnPointDragStart;
    event Action<int, Vector3> OnPointDragUpdate; // (<28><><EFBFBD><EFBFBD>Ʈ <20>ε<EFBFBD><CEB5><EFBFBD>, <20><> <20><><EFBFBD><EFBFBD> <20><>ǥ)
    event Action<int> OnPointDragEnd;

    // Presenter<65><72> ȣ<><C8A3><EFBFBD><EFBFBD> <20>Լ<EFBFBD><D4BC><EFBFBD>
    void ShowGhostRobot(RobotData pose);
    void HideGhostRobot();
    void ShowDragArrow(Vector3 position);
    void HideDragArrow();
}

public class InteractionView : MonoBehaviour, IInteractionView
{
    public event Action<Vector3, Quaternion> OnRobotGrabbed;
    public event Action<RobotData> OnRobotReleased;
    public event Action<int> OnPointClicked;
    public event Action<int> OnPointDragStart;
    public event Action<int, Vector3> OnPointDragUpdate;
    public event Action<int> OnPointDragEnd;

    private XRBaseInteractor interactor;

    private bool isInitialized = false;
    private bool isGrabbingPoint = false;
    private int currentGrabbedPointIndex = -1;

    public bool isGrabbingRobot = false;

    void Start()
    {
        // Ray Interactor<6F><72> Direct Interactor <20><><EFBFBD><EFBFBD> ó<><C3B3><EFBFBD><EFBFBD> <20><> <20>ֵ<EFBFBD><D6B5><EFBFBD> XRBaseInteractor<6F><72> <20><><EFBFBD><EFBFBD>
        interactor = GetComponent<NearFarInteractor>();
        if (interactor == null)
        {
            Debug.LogError("InteractionView requires an XRBaseInteractor (Ray or Direct) on the same GameObject.", this);
            return;
        }
    }

    // --- <20>ǽð<C7BD> <20><>Ʈ<EFBFBD><C6AE><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> Update ---
    void Update()
    {
        if (isInitialized)
        {
            if (isGrabbingPoint)
            {
                Vector3 currentControllerPosition = interactor.attachTransform.position;
                OnPointDragUpdate?.Invoke(currentGrabbedPointIndex, currentControllerPosition);
            }
            else if(isGrabbingRobot)
            {
                Vector3 currentHandleTransform = interactor.attachTransform.position;
                Quaternion currentControllerRotation = interactor.attachTransform.rotation;
                OnRobotGrabbed?.Invoke(currentHandleTransform, currentControllerRotation);
            }
        }
        else
        {
            if (interactor == null)
            {
                interactor = GetComponentInChildren<NearFarInteractor>(true);
            }
            if (interactor != null && interactor.gameObject.activeInHierarchy)
            {
                InitializeInteraction();
            }
        }
    }

    private void InitializeInteraction()
    {
        // XRI <20>̺<EFBFBD>Ʈ <20><><EFBFBD><EFBFBD>
        interactor.selectEntered.AddListener(HandleGrabStart);
        interactor.selectExited.AddListener(HandleGrabEnd);

        // 'Ŭ<><C5AC>'<27><> <20><><EFBFBD><EFBFBD><EFBFBD>Ϸ<EFBFBD><CFB7><EFBFBD> interactor.activated <20>̺<EFBFBD>Ʈ<EFBFBD><C6AE> <20><><EFBFBD><EFBFBD><EFBFBD>ؾ<EFBFBD> <20><>

        isInitialized = true;
        AppManager.Instance.RegisterView(this);
        Debug.Log("InteractionView <20>ʱ<EFBFBD>ȭ <20>Ϸ<EFBFBD>. Interactor <20>̺<EFBFBD>Ʈ <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>.");
    }

    private void OnDestroy()
    {
        if (interactor != null)
        {
            interactor.selectEntered.RemoveListener(HandleGrabStart);
            interactor.selectExited.RemoveListener(HandleGrabEnd);
        }
    }

    // --- XRI <20>̺<EFBFBD>Ʈ <20>ڵ鷯 ---

    // "<22><><EFBFBD><EFBFBD>" <20><>ư<EFBFBD><C6B0> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><>
    private void HandleGrabStart(SelectEnterEventArgs args)
    {
        // <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ʈ
        GameObject grabbedGO = args.interactableObject.transform.gameObject;

        //// <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> "<22><><EFBFBD><EFBFBD>Ʈ"<22><><EFBFBD><EFBFBD> Ȯ<><C8AE> (RobotPoint <20><>ũ<EFBFBD><C5A9>Ʈ Ž<><C5BD>)
        //RobotPoint point = grabbedGO.GetComponent<RobotPoint>();
        //if (point != null)
        //{
        //    isGrabbingPoint = true;
        //    currentGrabbedPointIndex = point.pointIndex;

        //    // Presenter<65><72><EFBFBD><EFBFBD> "<22>巡<EFBFBD><E5B7A1> <20><><EFBFBD><EFBFBD>" <20>̺<EFBFBD>Ʈ <20><><EFBFBD><EFBFBD>
        //    OnPointDragStart?.Invoke(currentGrabbedPointIndex);
        //}
        // <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> "<22>κ<EFBFBD>"<22><><EFBFBD><EFBFBD> Ȯ<><C8AE>
        if (grabbedGO.CompareTag("RobotArm")) 
        {
            isGrabbingRobot = true;
        }
    }

    // "<22><><EFBFBD><EFBFBD>" <20><>ư<EFBFBD><C6B0> <20><><EFBFBD><EFBFBD> <20><>
    private void HandleGrabEnd(SelectExitEventArgs args)
    {
        // "<22><><EFBFBD><EFBFBD>Ʈ"<22><> <20><><EFBFBD><EFBFBD> <20>ִ<EFBFBD> <20><><EFBFBD>̾<EFBFBD><CCBE>ٸ<EFBFBD>
        if (isGrabbingPoint)
        {
            // Presenter<65><72><EFBFBD><EFBFBD> "<22>巡<EFBFBD><E5B7A1> <20><>" <20>̺<EFBFBD>Ʈ <20><><EFBFBD><EFBFBD> (<28>˾<EFBFBD> Ʈ<><C6AE><EFBFBD>ſ<EFBFBD>)
            OnPointDragEnd?.Invoke(currentGrabbedPointIndex);
        }
        // "<22>κ<EFBFBD>"<22><> <20><><EFBFBD><EFBFBD> <20>ִ<EFBFBD> <20><><EFBFBD>̾<EFBFBD><CCBE>ٸ<EFBFBD>
        else if (isGrabbingRobot)
        {
            // Presenter<65><72><EFBFBD><EFBFBD> "<22>κ<EFBFBD> <20><><EFBFBD><EFBFBD>" <20>̺<EFBFBD>Ʈ <20><><EFBFBD><EFBFBD> (<28>˾<EFBFBD> Ʈ<><C6AE><EFBFBD>ſ<EFBFBD>)
            RobotData currentPose = GetCurrentRobotPoseFromController();
            OnRobotReleased?.Invoke(currentPose);
        }

        // <20><><EFBFBD><EFBFBD> <20>ʱ<EFBFBD>ȭ
        isGrabbingPoint = false;
        currentGrabbedPointIndex = -1;
    }

    private RobotData GetCurrentRobotPoseFromController()
    {
        // <20><> View<65><77> Presenter<65><72> <20><>ȯ <20><><EFBFBD><EFBFBD>(ConvertVrToRobotPose)<29><> <20><> <20><> <20><><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD>,
        // <20><><EFBFBD><EFBFBD> <20><>Ʈ<EFBFBD>ѷ<EFBFBD> <20><>ġ/ȸ<><C8B8><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> '<27><>¥' RobotData<74><61> <20><><EFBFBD><EFBFBD>
        // Presenter<65><72> <20><> <20><><EFBFBD><EFBFBD><EFBFBD>͸<EFBFBD> <20>޾<EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20>ٽ<EFBFBD> <20><>ȯ(<28>Ǵ<EFBFBD> <20><><EFBFBD><EFBFBD>)<29>ؾ<EFBFBD> <20><>
        return new RobotData(); // <20>ӽ<EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    }

    // --- Presenter<65><72> ȣ<><C8A3><EFBFBD><EFBFBD> <20>Լ<EFBFBD><D4BC><EFBFBD> ---
    public void ShowGhostRobot(RobotData pose) { /* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20>κ<EFBFBD>2 Ȱ<><C8B0>ȭ <20><> <20><>ġ <20><><EFBFBD><EFBFBD> */ }
    public void HideGhostRobot() { /* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20>κ<EFBFBD>2 <20><>Ȱ<EFBFBD><C8B0>ȭ */ }
    public void ShowDragArrow(Vector3 position) { /* <20>巡<EFBFBD>׿<EFBFBD> ȭ<><C8AD>ǥ UI Ȱ<><C8B0>ȭ <20><> <20><>ġ <20><><EFBFBD><EFBFBD> */ }
    public void HideDragArrow() { /* <20>巡<EFBFBD>׿<EFBFBD> ȭ<><C8AD>ǥ UI <20><>Ȱ<EFBFBD><C8B0>ȭ */ }
}