namespace LTGame
{

    public abstract class NBaseState
    {

        public int id { get; protected set; }

        public bool canReEnter { get; protected set; }

        public bool isFinished { get; protected set; }

        public int nextState { get; protected set; }

        public float passTime { get; protected set; }

        public float deltaTime { get; protected set; }

        public NBaseState(int id)
        {
            this.canReEnter = true;
            this.id = id;
        }

        public virtual void Enter(NBaseState exitState, object param)
        {
            this.isFinished = false;
            this.nextState = 0;
            this.deltaTime = 0;
            this.passTime = 0;
            this._OnEnter(exitState, param);
        }

        public virtual void Run(float dt)
        {
            if (this.isFinished) return;
            this.deltaTime = dt;
            this.passTime += this.deltaTime;
            this._OnRunning();
        }

        public virtual void Exit(NBaseState enterState, object param)
        {
            this._OnExit(enterState, param);
        }

        public int GetNextState()
        {
            if (this.isFinished)
            {
                return this.nextState;
            }
            return 0;
        }

        protected abstract void _OnEnter(NBaseState exitState, object param);
        protected abstract void _OnRunning();
        protected abstract void _OnExit(NBaseState exitState, object param);

    }

}