vampire-like/Assets/GameMain/Scripts/Runtime/Entity/EntityLogic/Weapon/WeaponHandgun/WeaponHandgun.CheckInRangeState.cs

namespace SepCore.Entity.Weapon
{
    public partial class WeaponHandgun
    {
        private class CheckInRangeState : WeaponStateBase
        {
            private WeaponHandgun _weapon;
            public override WeaponStateType State => WeaponStateType.Check_InRange;
            public override void OnInit(WeaponBase weapon) => _weapon = weapon as WeaponHandgun;

            public override void OnEnter()
            {
                if (_weapon._canAttack)
                {
                    _weapon.TransitionTo(WeaponStateType.Attack);
                }
            }

            public override void OnUpdate(float elapseSeconds, float realElapseSeconds)
            {
                _weapon.Check();
                _weapon.RotateToTarget(elapseSeconds);

                if (_weapon._target == null || !_weapon._target.Available)
                {
                    _weapon.TransitionTo(WeaponStateType.Idle);
                    return;
                }

                if (!_weapon.IsInRange(_weapon._target, _weapon._sqrRange))
                {
                    _weapon.TransitionTo(WeaponStateType.Check_OutRange);
                    return;
                }

                if (_weapon._canAttack)
                {
                    _weapon.TransitionTo(WeaponStateType.Attack);
                }
            }

            public override void OnLeave() { }
        }
    }
}