using Cysharp.Threading.Tasks;
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using DG.Tweening;
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using Spine;
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using Spine.Unity;
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using UnityEngine;
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public class SkeletonIllusionShadow : MonoBehaviour
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{
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// 记录所有残影对象，便于统一销毁
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private readonly List<GameObject> illusionShadows = new List<GameObject>();
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private SkeletonAnimation skeletonAnimation;
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private bool createSwitch = false;
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private int curFrame = 0;
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private int frameInteral = 2;
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public void SetSkeletonAnimation(SkeletonAnimation _skeletonAnimation)
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{
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skeletonAnimation = _skeletonAnimation;
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}
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public void Show(bool v)
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{
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createSwitch = v;
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curFrame = 0;
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if (!v)
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{
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// 清理所有残影对象
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for (int i = illusionShadows.Count - 1; i >= 0; i--)
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{
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var go = illusionShadows[i];
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if (go != null)
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{
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DOTween.Kill(go, complete: false);
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if (Application.isPlaying)
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Destroy(go);
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else
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DestroyImmediate(go);
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}
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}
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illusionShadows.Clear();
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}
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}
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public void Run()
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{
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if (createSwitch)
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{
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// 0.1秒创建一个残像
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curFrame++;
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if (curFrame >= frameInteral)
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{
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curFrame -= frameInteral;
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CreateIllusionShadow();
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}
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}
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}
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private void CreateIllusionShadow()
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{
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var src = skeletonAnimation.transform;
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// 保存源的世界变换
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Vector3 worldPos = src.position;
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Quaternion worldRot = src.rotation;
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Vector3 worldScale = src.lossyScale;
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GameObject objTest = new GameObject("IllusionShadow");
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illusionShadows.Add(objTest);
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objTest.transform.SetParent(null, false);
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objTest.transform.position = worldPos;
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objTest.transform.rotation = worldRot;
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objTest.transform.localScale = worldScale; // 当 parent == null 时 localScale == worldScale
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objTest.layer = LayerMask.NameToLayer("UI");
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SkeletonAnimation sa = SkeletonAnimation.AddToGameObject(objTest, skeletonAnimation.skeletonDataAsset, false);
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TrackEntry trackEntry = skeletonAnimation.AnimationState.GetCurrent(0);
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TrackEntry playedEntry = sa.AnimationState.SetAnimation(0, trackEntry.Animation.Name, trackEntry.Loop);
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playedEntry.TrackTime = trackEntry.TrackTime;
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sa.timeScale = 0;
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sa.AnimationState.TimeScale = 0;
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playedEntry.TimeScale = 0;
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RendererAdjuster parent = skeletonAnimation.GetComponentInParent<RendererAdjuster>();
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objTest.AddMissingComponent<RendererAdjuster>().SetSortingOrder(parent.sortingOrder);
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sa.skeleton.A = skeletonAnimation.skeleton.A;
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// 使用DoTween做alpha淡出，Tween与objTest绑定，便于统一Kill
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DOTween.To(() => sa.skeleton.A, x => { sa.skeleton.A = x; sa.LateUpdate(); }, 0f, 0.5f)
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.SetTarget(objTest);
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// 安全销毁，移除引用
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_ = DestroyIllusionShadowAfterAsync(objTest, 0.5f);
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}
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// 用UniTask安全延迟销毁残影对象，多重安全检查
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private async UniTaskVoid DestroyIllusionShadowAfterAsync(GameObject go, float delay)
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{
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try
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{
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await UniTask.Delay((int)(delay * 1000), cancellationToken: this.GetCancellationTokenOnDestroy());
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}
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catch (OperationCanceledException)
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{
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// 对象已销毁，无需处理
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return;
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}
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if (go == null) return;
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DOTween.Kill(go, complete: false);
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illusionShadows.Remove(go);
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if (Application.isPlaying)
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Destroy(go);
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else
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DestroyImmediate(go);
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}
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}
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