PJ/Assets/scripts/OWUse.cs

/* КОД СТАРЫЙ
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;

public class OWUse : MonoBehaviour
{
    GameObject Player;
    public int Distance;
    Button use;
    public Button.ButtonClickedEvent Event;
    private MOW mOW;
    bool b = true;
    public bool Show = true;
    // Start is called before the first frame update
    void Start()
    {
        Player = GameObject.Find("Player");
        use = GameObject.Find("use").GetComponent<Button>();
        mOW = GameObject.Find("Player").GetComponent<MOW>();
    }

    // Update is called once per frame
    void FixedUpdate()
    {
        if(Vector2.Distance(Player.transform.position, this.gameObject.transform.position) < Distance && Show)
        {
            use.gameObject.SetActive(true);
            use.onClick = Event;
            b=true;
        }
        else if (b)
        {
            use.gameObject.SetActive(false);
            use.onClick = null;
            b = false;
        }
    }
    public void SM()
    {
        mOW.AllowMove = false;
    }

    public void CM()
    {
        mOW.AllowMove = true;
    }
}*/

using UnityEngine;
using UnityEngine.UI;
using UnityEngine.Events;

public partial class OWUse : MonoBehaviour
{
    [SerializeField] private GameObject player; 
    [SerializeField] private Button useButton; 
    [SerializeField] private MOW mOW; 

    public int Distance = 3; 
    // Используем обычный UnityEvent, это удобнее для инспектора
    public UnityEvent interactionEvent; 
    
    private bool isButtonActive = false; 
    public bool canShow = true; 

    void Start()
    {
        if (useButton != null)
        {
            // Добавляем слушатель один раз при старте
            useButton.onClick.AddListener(OnButtonClick);
            useButton.gameObject.SetActive(false);
        }
    }

    void Update() // Для проверки дистанции лучше использовать Update
    {
        if (player == null) return;

        float dist = Vector2.Distance(player.transform.position, transform.position);
        bool inRange = dist < Distance && canShow;

        if (inRange && !isButtonActive)
        {
            SetButtonState(true);
        }
        else if (!inRange && isButtonActive)
        {
            SetButtonState(false);
        }
    }

    private void SetButtonState(bool state)
    {
        isButtonActive = state;
        if (useButton != null) useButton.gameObject.SetActive(state);
    }

    // Этот метод вызывается при физическом нажатии на кнопку UI
    private void OnButtonClick()
    {
        if (isButtonActive)
        {
            // Вызываем все функции, которые вы привязали в инспекторе
            interactionEvent?.Invoke(); 
        }
    }

    public void DisableMovement() { if (mOW != null) mOW.AllowMove = false; }
    public void EnableMovement() { if (mOW != null) mOW.AllowMove = true; }
}