using UnityEngine;

using System.Collections;
using UnityEngine.Events;

public abstract class Move 
{
    #region 变量

    public virtual bool InDestination
    {
        get { return _InDestination; }
        set { _InDestination = value; }
    }

    public bool _InDestination;

    public UnityAction OnForwardStart;
    public UnityAction OnForwardFinish;

    #endregion

    public abstract bool Do();


    public void PushEvent(EventType type, UnityAction action)
    {
        if (type == EventType.ForwardStart)
        {
            OnForwardStart = action + OnForwardStart;
        }
        else if (type == EventType.ForwardFinish)
        {
            OnForwardFinish = action + OnForwardFinish;
        }
    }

    public void AddEventOnetime(EventType type, UnityAction action)
    {
        if (type == EventType.ForwardStart)
        {
            action += () =>
            {
                OnForwardStart -= action;
            };

            OnForwardStart += action;
        }
        else if (type == EventType.ForwardFinish)
        {
            action += () =>
            {
                OnForwardFinish -= action;
            };

            OnForwardFinish += action;
        }
    }

    public void PushEventOnetime(EventType type, UnityAction action)
    {
        if (type == EventType.ForwardStart)
        {
            action += () =>
            {
                OnForwardStart -= action;
            };

            OnForwardStart = action + OnForwardStart;
        }
        else if (type == EventType.ForwardFinish)
        {
            action += () =>
            {
                OnForwardFinish -= action;
            };

            OnForwardFinish = action + OnForwardFinish;
        }
    }
}