using System.Collections;
using System.Collections.Generic;
using UnityEngine;

/// <summary>
/// 同一个角色同一个时间只能有一个state
/// </summary>
public abstract class StateBase
{
    protected int m_StateID;
    public int ID
    {
        get
        {
            return m_StateID;
        }
    }

    public StateBase()
    {
        m_StateID = UIDManager.Acquire();
    }

    public virtual void OnInit() { }

    /// <summary>
    /// 进入当前state的回调
    /// </summary>
    public virtual void OnEnter() { }

    /// <summary>
    /// 退出当前state的回调
    /// </summary>
    public virtual void OnExit() { }

    /// <summary>
    /// 当前state的update函数
    /// </summary>
    public virtual void OnUpdate() { }

	/// <summary>
	/// 在物理模拟之后更新
	/// </summary>
	public virtual void OnPhysicsUpdate() { }

    /// <summary>
    /// 过渡到下一个state的回调
    /// </summary>
    /// <param name="to"></param>
    public virtual void OnTranslate(StateBase to) { }

    /// <summary>
    /// 检测到hitbox碰撞时的回调
    /// </summary>
    public virtual void OnHit(HitInfo info) { }

    /// <summary>
    /// 检测到hurtbox碰撞时的回调
    /// </summary>
    public virtual void OnHurt(HurtInfo info) { }

    /// <summary>
    /// 检测到defendbox碰撞时的回调
    /// </summary>
    public virtual void OnDefend() { }
}