gpd-924-en/AI/Assets/Scripts/FSM/ChasePlayerState.cs

using UnityEngine;

namespace DefaultNamespace.FSM
{
    public class ChasePlayerState : IState
    {
        private GameObject _owner;
        private PlayerController _player;

        public ChasePlayerState(GameObject owner, PlayerController player)
        {
            _owner = owner;
            _player = player;
        }
        
        public void Enter(IFiniteStateMachine ctx)
        {
            Debug.Log("CHASE: Enter");
        }

        public void Update(IFiniteStateMachine ctx)
        {
            Debug.Log("CHASE: Update");
            
            // player visibility check
            if (Physics.Raycast(_owner.transform.position, _owner.transform.forward, out RaycastHit hit))
            {
                if (hit.transform.GetComponent<PlayerController>() != _player)
                {
                    ctx.SetState(new IdleState(_owner, _player, 60.0f));
                }
            }
            else
            {
                ctx.SetState(new IdleState(_owner, _player, 60.0f));
            }
        }

        public void Exit(IFiniteStateMachine ctx)
        {
            Debug.Log("CHASE: Exit");
        }
    }
}