revival/game/Assets/Scripts/Util/Events/GameEventTrigger.cs

using System;
using System.Collections;
using System.Collections.Generic;
using UnityEditor;
using UnityEngine;
using UnityEngine.Events;

namespace Ktyl.Util
{
    
    [RequireComponent(typeof(BoxCollider))]
    public class GameEventTrigger : MonoBehaviour
    {
        [Serializable]
        private struct Event
        {
            public GameEvent game;
            public UnityEvent unity;

            public void Raise()
            {
                if (game) game.Raise();
                unity.Invoke();
            }
        }

        [SerializeField] private Event _onEnter;
        [SerializeField] private Event _onExit;
        
        private void Start()
        {
            GetComponent<BoxCollider>().isTrigger = true;
        }

        private void OnTriggerEnter(Collider other)
        {
            _onEnter.Raise();
        }

        private void OnTriggerExit(Collider other)
        {
            _onExit.Raise();
        }
    }
}