using UnityEditor;
using UnityEditor.Timeline;
using UnityEngine;
using UnityEngine.Playables;
using UnityEngine.Timeline;

[ExecuteInEditMode]
public class TimelineTool : MonoBehaviour
{
    private PlayableDirector PlayableDirector;
    private GameObject animator;

    private void OnEnable()
    {
        PlayableDirector = GetComponent<PlayableDirector>();
        animator = GetComponentInChildren<Animator>().gameObject;
        Selection.selectionChanged += OnSelectionChanged;
    }

    private void OnDisable()
    {
        Selection.selectionChanged -= OnSelectionChanged;
    }

    private void OnSelectionChanged()
    {
        var selectedObject = UnityEditor.Selection.activeObject;

        if (selectedObject == null) return;
        if (selectedObject.GetType() != typeof(TimelineAsset)) return;
        // 打印选定对象的名称
        var timeline = (TimelineAsset)selectedObject;
        PlayableDirector.playableAsset = timeline;
        foreach (var track in timeline.GetOutputTracks())
        {
            if (track is AnimationTrack)
            {
                PlayableDirector.SetGenericBinding(track, animator);
            }

            if (track is AttackTrack)
            {
                PlayableDirector.SetGenericBinding(track, transform);
            }
        }

        EditorApplication.delayCall += () => { Selection.activeGameObject = gameObject; };
        TimelineEditor.GetOrCreateWindow().ShowTab();
    }
}