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using System;
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using System.Threading;
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using Spine;
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using Spine.Unity;
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using UnityEngine;
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using UnityEngine.UI;
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using Cysharp.Threading.Tasks;
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public class UIHeroController : MonoBehaviour
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{
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private GameObjectPoolManager.GameObjectPool pool;
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private int skinID;
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protected SkeletonGraphic skeletonGraphic;
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public Spine.AnimationState spineAnimationState;
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private GameObject instanceGO;
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private bool isInitializing = false;
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private bool isInitialized = false;
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private CancellationTokenSource loadCancellationToken; // 用于取消之前的加载任务
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// 使用 UniTask 提供的并发控制 - 支持 WebGL
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// 限制同时加载的资源数量（默认为4，可根据设备性能调整）
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private const int MAX_CONCURRENT_LOADS = 4;
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private static int currentLoadingCount = 0;
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private static readonly object loadLock = new object();
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private static int initializationOrder = 0; // 用于分帧延迟的序号
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public Action onComplete;
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public void Create(int _skinID, float scale = 0.8f, Action _onComplete = null, string motionName = "idle", bool isLh = false)
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{
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if (skinID == _skinID)
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{
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//避免重复创建
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if (skeletonGraphic != null)
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{
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SetMaterialNone();
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if (isLh)
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{
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var skinConfigTmp = HeroSkinConfig.Get(skinID);
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if (skinConfigTmp != null && skinConfigTmp.Tachie.IsSpine())
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{
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skeletonGraphic.enabled = true;
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}
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}
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else
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{
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skeletonGraphic.enabled = true;
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}
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}
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return;
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}
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if (skeletonGraphic != null)
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{
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skeletonGraphic.enabled = false;
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}
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skinID = _skinID;
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var skinConfig = HeroSkinConfig.Get(skinID);
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if (isLh)
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{
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//X轴偏移，Y轴偏移，缩放，是否水平翻转（0否1是）
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if (skinConfig.TachieParam.Length == 4)
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{
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this.transform.localPosition = new Vector3(skinConfig.TachieParam[0], skinConfig.TachieParam[1], 0);
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this.transform.localScale = Vector3.one * skinConfig.TachieParam[2];
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this.transform.localRotation = Quaternion.Euler(0, skinConfig.TachieParam[3] == 0 ? 0 : 180, 0);
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}
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else
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{
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this.transform.localPosition = Vector3.zero;
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this.transform.localScale = Vector3.one;
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this.transform.localRotation = Quaternion.identity;
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}
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//立绘特殊处理，没有spine动画的改用图片
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var lhImg = this.AddMissingComponent<RawImage>();
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if (!skinConfig.Tachie.IsSpine())
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{
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//图片替换
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lhImg.SetTexture2DPNG(skinConfig.Tachie);
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lhImg.SetNativeSize();
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if (skeletonGraphic != null)
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{
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skeletonGraphic.enabled = false;
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}
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lhImg.enabled = true;
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lhImg.raycastTarget = false;
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return;
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}
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else
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{
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if (skeletonGraphic != null)
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{
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skeletonGraphic.enabled = true;
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}
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lhImg.enabled = false;
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}
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}
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else
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{
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this.transform.localScale = Vector3.one * scale;
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}
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onComplete = _onComplete;
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// 取消之前的异步任务，避免多次调用导致错乱
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CancelLoadTask();
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// 创建新的取消令牌
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loadCancellationToken = new CancellationTokenSource();
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// 使用 UniTask 进行异步初始化，将instanceGO创建和资源加载都移到异步处理
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DelayedInitializeAsync(skinConfig, motionName, isLh, loadCancellationToken.Token).Forget();
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}
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/// <summary>
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/// 取消之前的加载任务
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/// </summary>
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private void CancelLoadTask()
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{
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if (loadCancellationToken != null && !loadCancellationToken.IsCancellationRequested)
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{
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loadCancellationToken.Cancel();
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loadCancellationToken.Dispose();
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}
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}
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public bool HasAnimation(string motionName)
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{
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if (skeletonGraphic == null || skeletonGraphic.Skeleton == null)
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{
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Debug.LogWarning("skeletonGraphic or Skeleton is null, cannot check animation: " + motionName);
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return false;
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}
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return skeletonGraphic.Skeleton.ContainsMotion(motionName);
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}
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protected void OnDestroy()
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{
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// 取消正在进行的加载任务
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CancelLoadTask();
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if (spineAnimationState != null)
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{
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spineAnimationState.Complete -= OnAnimationComplete;
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}
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if (pool != null)
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pool.Release(instanceGO);
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skeletonGraphic = null;
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pool = null;
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}
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private string pendingAnimationName = null;
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private bool pendingAnimationLoop = false;
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private bool pendingAnimationReplay = true;
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private float? pendingSpeed = null;
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private bool pendingEnabled = true; // 改为普通bool，false表示未设置，true表示需要启用
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private bool pendingGray = false; // 改为普通bool，表示是否需要设置灰度
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/// <summary>
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/// 播放 Spine 动画
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/// </summary>
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/// <param name="motionName">动作名</param>
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/// <param name="loop">循环</param>
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/// <param name="replay">如果相同动作是否再次重播，比如跑步重播就会跳帧不顺滑</param>
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public virtual TrackEntry PlayAnimation(string motionName, bool loop = false, bool replay = true)
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{
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// 如果正在初始化中，保存动画参数，等待初始化完成后再播放
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if (isInitializing)
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{
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pendingAnimationName = motionName;
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pendingAnimationLoop = loop;
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pendingAnimationReplay = replay;
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return null;
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}
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if (spineAnimationState == null)
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{
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Debug.LogWarning("spineAnimationState is null, cannot play animation: " + motionName);
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return null;
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}
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if (GetCurrentAnimationName() == motionName && !replay)
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return null;
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// 直接使用 ToString() 而不是调用 GetAnimationName
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try
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{
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return spineAnimationState.SetAnimation(0, motionName.ToString(), loop);
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}
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catch (System.Exception e)
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{
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Debug.LogError("播放动画失败: " + motionName + ", 错误: " + e.Message);
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return null;
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}
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}
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// 播放第一个动画（作为默认动画）
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string GetFistSpineAnim()
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{
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if (skeletonGraphic == null || skeletonGraphic.Skeleton == null)
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{
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Debug.LogWarning("skeletonGraphic or Skeleton is null, cannot get first animation");
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return "idle"; // 返回默认动画名称
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}
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var skeletonData = skeletonGraphic.Skeleton.Data;
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if (skeletonData.Animations.Count > 0)
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{
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return skeletonData.Animations.Items[0].Name;
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}
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else
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{
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Debug.LogError("Spine 数据中没有找到任何动画！武将皮肤：" + skinID);
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}
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return "idle"; // 返回默认动画名称
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}
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/// <summary>
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/// 获取当前正在播放的 Spine 动画名称
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/// </summary>
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/// <returns>当前动画名称，如果没有动画则返回空字符串</returns>
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public string GetCurrentAnimationName()
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{
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if (spineAnimationState == null || spineAnimationState.GetCurrent(0) == null)
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{
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return string.Empty;
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}
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return spineAnimationState.GetCurrent(0).Animation.Name;
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}
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/// <summary>
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/// 动画完成事件处理
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/// </summary>
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protected virtual void OnAnimationComplete(Spine.TrackEntry trackEntry)
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{
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onComplete?.Invoke();
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}
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//越大越快
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public void SetSpeed(float speed)
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{
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// 如果正在初始化中，保存速度参数，等待初始化完成后再设置
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if (isInitializing)
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{
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pendingSpeed = speed;
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return;
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}
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if (spineAnimationState == null)
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{
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Debug.LogWarning("spineAnimationState is null, cannot set speed");
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return;
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}
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spineAnimationState.TimeScale = speed;
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}
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public void SetEnabled(bool isEnable)
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{
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// 如果正在初始化中，保存启用状态，等待初始化完成后再设置
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if (isInitializing)
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{
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pendingEnabled = isEnable;
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return;
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}
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if (skeletonGraphic == null)
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{
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Debug.LogWarning("skeletonGraphic is null, cannot set enabled state");
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return;
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}
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skeletonGraphic.enabled = isEnable;
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}
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public void SetGray()
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{
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// 如果正在初始化中，标记需要设置灰度，等待初始化完成后再设置
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if (isInitializing)
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{
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pendingGray = true;
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return;
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}
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if (skeletonGraphic == null)
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{
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Debug.LogWarning("skeletonGraphic is null, cannot set gray material");
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return;
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}
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skeletonGraphic.material = MaterialUtility.GetDefaultSpriteGrayMaterial();
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}
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public void SetMaterialNone()
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{
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// 如果正在初始化中，标记需要设置无材质，等待初始化完成后再设置
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if (isInitializing)
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{
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pendingGray = false;
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return;
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}
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if (skeletonGraphic == null)
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{
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Debug.LogWarning("skeletonGraphic is null, cannot set material to none");
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return;
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}
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skeletonGraphic.material = null;
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}
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/// <summary>
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/// 延迟初始化，结合并发控制和分帧延迟
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/// 1. 资源加载使用真正的异步（LoadAssetAsync）
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/// 2. skeletonGraphic.Initialize() 前进行分帧延迟，避免主线程卡顿
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/// </summary>
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private async UniTaskVoid DelayedInitializeAsync(HeroSkinConfig skinConfig, string motionName, bool isLh, CancellationToken cancellationToken)
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{
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isInitializing = true;
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try
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{
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// 检查是否已被取消
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cancellationToken.ThrowIfCancellationRequested();
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// 获取加载信号量 - 限制并发数，避免资源竞争
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await AcquireLoadSlotAsync(cancellationToken);
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// 异步创建instanceGO和加载资源（真正的异步，不阻塞）
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await CreateInstanceAndLoadAssetsAsync(skinConfig, isLh, cancellationToken);
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// 获取当前序号用于分帧延迟
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int myOrder;
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lock (loadLock)
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{
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myOrder = initializationOrder++;
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}
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// 再次检查是否已被取消
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cancellationToken.ThrowIfCancellationRequested();
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// 在 skeletonGraphic.Initialize() 前进行分帧延迟
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// 根据 MAX_CONCURRENT_LOADS 调整延迟，避免所有对象同时执行 Initialize
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int delayFrames = (myOrder % MAX_CONCURRENT_LOADS);
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if (delayFrames > 0)
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{
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for (int i = 0; i < delayFrames; i++)
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{
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cancellationToken.ThrowIfCancellationRequested();
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await UniTask.NextFrame(cancellationToken);
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}
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}
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// 再次检查是否已被取消（可能在延迟期间被取消）
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cancellationToken.ThrowIfCancellationRequested();
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if (skeletonGraphic == null || skeletonGraphic.skeletonDataAsset == null)
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{
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Debug.LogError("资源加载失败，无法初始化模型");
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return;
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}
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skeletonGraphic.initialSkinName = skinConfig.InitialSkinName;
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skeletonGraphic.Initialize(true);
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// 初始化完成后设置皮肤
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if (!string.IsNullOrEmpty(skinConfig.InitialSkinName))
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{
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var skeleton = skeletonGraphic.Skeleton;
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skeleton.SetSkin(skinConfig.InitialSkinName);
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skeleton.SetSlotsToSetupPose();
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skeletonGraphic.Update(0);
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}
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spineAnimationState = skeletonGraphic.AnimationState;
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spineAnimationState.Data.DefaultMix = 0f;
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// 初始化完成后才显示模型
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skeletonGraphic.enabled = pendingEnabled;
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if (pendingGray)
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{
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skeletonGraphic.material = MaterialUtility.GetDefaultSpriteGrayMaterial();
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}
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else
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{
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skeletonGraphic.material = null;
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}
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// 检查是否有待设置的速度，如果有则设置
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if (pendingSpeed.HasValue)
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{
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spineAnimationState.TimeScale = pendingSpeed.Value;
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pendingSpeed = null;
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}
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// 检查是否有待播放的动画，如果有则优先播放外部调用的动画
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if (!string.IsNullOrEmpty(pendingAnimationName))
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{
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isInitializing = false;
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PlayAnimation(pendingAnimationName, pendingAnimationLoop, pendingAnimationReplay);
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// 清除所有待播放动画参数
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pendingAnimationName = null;
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pendingAnimationLoop = false;
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pendingAnimationReplay = true;
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}
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else
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{
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// 如果没有外部调用的动画，播放默认动画
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if (motionName == "")
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motionName = GetFistSpineAnim();
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isInitializing = false;
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PlayAnimation(motionName, true);
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}
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spineAnimationState.Complete -= OnAnimationComplete;
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spineAnimationState.Complete += OnAnimationComplete;
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isInitialized = true;
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isInitializing = false;
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}
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catch (System.OperationCanceledException)
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{
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// 任务被取消，正常返回
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isInitializing = false;
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}
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catch (System.Exception e)
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{
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Debug.LogError($"英雄初始化异常: {e.Message}");
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isInitializing = false;
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}
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finally
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{
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// 释放加载槽位
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ReleaseLoadSlot();
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}
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}
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/// <summary>
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/// 获取加载槽位（支持 WebGL 的并发控制）
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/// </summary>
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private async UniTask AcquireLoadSlotAsync(CancellationToken cancellationToken)
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{
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while (true)
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{
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// 检查是否已被取消
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cancellationToken.ThrowIfCancellationRequested();
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lock (loadLock)
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{
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if (currentLoadingCount < MAX_CONCURRENT_LOADS)
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{
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currentLoadingCount++;
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return;
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}
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}
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// 如果已达到最大并发数，等待下一帧再试
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await UniTask.NextFrame(cancellationToken);
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}
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}
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/// <summary>
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/// 释放加载槽位
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/// </summary>
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private void ReleaseLoadSlot()
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{
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lock (loadLock)
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{
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currentLoadingCount--;
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}
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}
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/// <summary>
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/// 异步创建instanceGO和加载资源（用于非立绘）
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/// 使用真正的异步加载，不阻塞主线程
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/// </summary>
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private async UniTask CreateInstanceAndLoadAssetsAsync(HeroSkinConfig skinConfig, bool isLh, CancellationToken cancellationToken)
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{
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// 确保transform处于激活状态
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if (!transform.gameObject.activeSelf)
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{
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transform.SetActive(true);
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}
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// 检查是否已被取消
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cancellationToken.ThrowIfCancellationRequested();
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// 创建pool和instanceGO
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pool = GameObjectPoolManager.Instance.GetPool(UILoader.LoadPrefab("UIHero"));
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if (instanceGO == null)
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{
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instanceGO = pool.Request();
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instanceGO.transform.SetParent(transform);
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//transform 的Pivot Y是0，让instanceGO 居中
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instanceGO.transform.localPosition = new Vector3(0, instanceGO.GetComponent<RectTransform>().sizeDelta.y * 0.5f);
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instanceGO.transform.localScale = Vector3.one;
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instanceGO.transform.localRotation = Quaternion.identity;
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}
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skeletonGraphic = instanceGO.GetComponentInChildren<SkeletonGraphic>(true);
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// 真正的异步加载资源 - 不阻塞主线程
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string assetName = isLh ? skinConfig.Tachie : skinConfig.SpineRes;
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SkeletonDataAsset loadedAsset = await ResManager.Instance.LoadAssetAsync<SkeletonDataAsset>("Hero/SpineRes/", assetName);
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// 再次检查是否已被取消
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cancellationToken.ThrowIfCancellationRequested();
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if (loadedAsset != null)
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{
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skeletonGraphic.skeletonDataAsset = loadedAsset;
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}
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else
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{
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transform.SetActive(false);
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if (pool != null)
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pool.Release(instanceGO);
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skeletonGraphic = null;
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Destroy(instanceGO);
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Debug.LogError("未配置spine");
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}
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}
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/// <summary>
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/// 检查是否已完成初始化
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/// </summary>
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public bool IsInitialized()
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{
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return isInitialized && !isInitializing;
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}
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}
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