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

public class MonsterAnimation : UnitAnimation
{
    public enum ELayer
    {
        Basic = 0,

        Count,
    }

    // 动作名，和animator里的state对应
    public enum EAnimState
    {
        // layer 0 
        Idle = 0,
        Move,
        Jump,

		HitLight,
		HitAir,
        HitInAir,
        HitBackHeavy,

        Rise,
	}

    public override void Initialize()
    {
        base.Initialize();

        m_Animator = this.m_Owner.unitObj.GetComponent<Animator>();

        m_Animator.speed = 0;

        m_LayerInfo = new AnimatorLayerInfo[2];
        m_LayerInfo[0] = new AnimatorLayerInfo(this, m_Animator, (int)ELayer.Basic);
        //m_LayerInfo[1] = new AnimatorLayerInfo(this, m_Animator, ELayer.Attack);

        if (m_Animator == null)
        {
            LogHelper.LogError("没有挂Animator组件");
        }

    }

    public override void OnUpdate()
    {
        base.OnUpdate();

        UpdateLayer();
        UpdateAnimation();
        UpdateRootMotion();
    }

    void UpdateLayer()
    {
        m_LayerInfo[0].OnUpdate();
        return;
        for (int i = 0; i < m_LayerInfo.Length; ++i)
        {
            m_LayerInfo[i].OnUpdate();
        }
    }

    void UpdateAnimation()
    {
        m_Animator.speed = 1;
        m_Animator.Update(Time.deltaTime);
        m_Animator.speed = 0;
    }

    void UpdateRootMotion()
    {
        m_Owner.unitRootMotion.UpdateRootMotion();
    }

    public void AnimIdle()
    {
        this.CrossFade(EAnimState.Idle, 0.2f, 0);
    }

    public void AnimHitLight()
    {
		this.Play(EAnimState.HitLight, 0, 0);
        //m_Animator.CrossFade("HitLight", 0.05f, 0, 0, 0);
    }

    public void AnimHitAir()
    {
		this.Play(EAnimState.HitAir, 0, 0);
        //m_Animator.CrossFade("HitLight", 0.05f, 0, 0, 0);
    }

    public void AnimHitInAir()
    {
        this.Play(EAnimState.HitInAir, 0, 0);
    }

    public void AnimHitBackHeavy()
    {
        this.Play(EAnimState.HitBackHeavy, 0, 0);
    }

    public void AnimRise()
    {
		this.CrossFade(EAnimState.Rise, 0);
    }

	private void Play(EAnimState animState, int layerIndex = 0, float normalizedTime = float.NegativeInfinity)
	{
		AnimatorLayerInfo layer = this.layers[layerIndex];
		if (layer == null)
			return;
		layer.OnPlay(animState.ToString(), normalizedTime);
	}

	public void CrossFade(EAnimState animState, float normalizedTransitionDuration, int layerIndex = 0, float normalizedTimeOffset = float.NegativeInfinity, float normalizedTransitionTime = 0.0f)
	{
		AnimatorLayerInfo layer = this.layers[layerIndex];
		if (layer == null)
			return;
		layer.OnCrossFade(animState.ToString(), normalizedTransitionDuration, normalizedTimeOffset, normalizedTransitionTime);
	}

}