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

public class ActiveClipRegistration : StateMachineBehaviour
{
    AnimationEventHandler animationEventHandler;
    int stateNameHash;
    List<AnimationClip> clips = new List<AnimationClip>();

    public override void OnStateExit(Animator animator, AnimatorStateInfo stateInfo, int layerIndex)
    {
        base.OnStateExit(animator, stateInfo, layerIndex);
        foreach(AnimationClip clip in clips)
            animationEventHandler?.UnregisterFromActiveClip(clip);
        clips.Clear();
    }

    public override void OnStateEnter(Animator animator, AnimatorStateInfo stateInfo, int layerIndex)
    {
        base.OnStateEnter(animator, stateInfo, layerIndex);
        if (animator.GetLayerWeight(layerIndex) == 0)
            return;


        if (animationEventHandler == null)
            animationEventHandler = animator.GetComponent<AnimationEventHandler>();
        for (int i = 0; i < animator.GetNextAnimatorClipInfo(layerIndex).Length; i++)
        {
            AnimationClip clip = animator.GetNextAnimatorClipInfo(layerIndex)[i].clip;
            clips.Add(clip);
            animationEventHandler.RegisterAsActiveClip(clip);
        }
    }
}