Trigger/Runtime/TriggerBase.cs

using System;
using Syntriax.Modules.State;
using UnityEngine;

namespace Syntriax.Modules.Trigger
{
    public class TriggerBase : MonoBehaviour, ITrigger
    {
        public Action<bool> OnTriggerStateChanged { get; set; } = null;

        private IStateEnable stateEnable = null;
        public IStateEnable StateEnable
        {
            get
            {
                if (stateEnable == null)
                {
                    stateEnable = GetComponent<IStateEnable>() ?? gameObject.AddComponent<StateEnableMonoBehaviour>();
                    stateEnable.OnEnabledChanged += OnEnabledChanged;
                }
                return stateEnable;
            }
        }

        private void OnEnabledChanged(bool enabled)
        {
            if (enabled)
                return;

            _isTrigerred = false;
            OnTriggerStateChanged?.Invoke(false);
        }

        private bool _isTrigerred = false;
        public bool IsTrigerred
        {
            get => _isTrigerred;
            protected set
            {
                if (value == _isTrigerred || !StateEnable.IsEnabledNullChecked())
                    return;

                _isTrigerred = value;
                OnTriggerStateChanged?.Invoke(value);
            }
        }
    }
}