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

// 播放动画，执行帧事件
[DisallowMultipleComponent]
public class UnitAnimation : UnitComponent
{
	// animator trigger值，切换动画
	public enum ETrigger
	{
		Nein = 0,

		ToIdle , 
		ToMove , 
		ToSpawn , 

		ToDie , 
		ToHitAir , 
		ToHitAirAir, 
		
		ToHitKnockDown, 

		ToJump, 
		ToWalk,

		ToAttack,

		ToRise,

		ToStinger,

		ToTurn,
	}

	// animator状态
	public enum EAnimState
	{
		Idle,
		Move, 
		Jump,
		Hit,
		Attack,
		Rise,
		Stinger,
		Turn,
	}

	public Dictionary<EAnimState, ETrigger> triggers = new Dictionary<EAnimState, ETrigger>() {
		{ EAnimState.Idle, ETrigger.ToIdle},
		{ EAnimState.Move, ETrigger.ToMove},
		{ EAnimState.Jump, ETrigger.ToJump},
		{ EAnimState.Attack, ETrigger.ToAttack},
		{ EAnimState.Rise, ETrigger.ToRise},
		{ EAnimState.Stinger, ETrigger.ToStinger},
		{ EAnimState.Turn , ETrigger.ToTurn},
	};

	public Animator animator { get { return m_Animator; } }
	private Animator m_Animator;
    private TimelineEvent m_Timeline;

	private UnitActionData m_ActionData;

	public AnimatorStateInfo stateInfo
	{
		get
		{
			return m_Animator.GetCurrentAnimatorStateInfo(0);
		}
	}

	public EAnimState curState { get { return m_CurState; } }
	private EAnimState m_CurState;

	public float playbackTime { get { return m_PlaybackTime; } }
	private float m_PlaybackTime; 

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

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

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

	public void Play(EAnimState state)
	{
		m_CurState = state;
		ETrigger trigger = triggers[state];
		string toAnim = trigger.ToString();
		m_Animator.SetTrigger(toAnim);
		m_Animator.speed = 0;
		m_PlaybackTime = 0;
		m_Owner.unitRootMotion.Reset();
	}

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

		m_PlaybackTime += Time.deltaTime;

		m_Animator.speed = 1;
		m_Animator.Update(Time.deltaTime);
		m_Animator.speed = 0;

		m_Owner.unitRootMotion.UpdateRootMotion();

	}

}