/// <summary> /// 取消异步加载资源 /// </summary> /// <returns></returns> internal bool CancleLoad(ResouceObj res) { AsyncLoadResParam para = null; if (_LoadingAssetDic.TryGetValue(res.Crc, out para) && _LoadingAssetList[(int)para.Priority].Contains(para)) { for (int i = para.CallBackList.Count - 1; i >= 0; i--) { AsyncCallBack tempCallBack = para.CallBackList[i]; if (tempCallBack != null && res == tempCallBack.ResObj) { para.CallBackList.Remove(tempCallBack); tempCallBack.Reset(); _AsyncCallBackPool.Recycle(tempCallBack); } } if (para.CallBackList.Count <= 0) { _LoadingAssetList[(int)para.Priority].Remove(para); para.Reset(); _AsyncLoadResParamPool.Recycle(para); _LoadingAssetDic.Remove(res.Crc); return(true); } } return(false); }
/// <summary> /// 异步加载 /// </summary> /// <returns></returns> IEnumerator AsyncLoadCor() { List <AsyncCallBack> callBackList = null; //上一次yield的时间 long lastYieldTime = System.DateTime.Now.Ticks; while (true) { bool haveYield = false; for (int i = 0; i < (int)LoadResPriority.Res_Num; i++) { if (_LoadingAssetList[(int)LoadResPriority.Res_Hight].Count > 0) { i = (int)LoadResPriority.Res_Hight; } else if (_LoadingAssetList[(int)LoadResPriority.Res_Middle].Count > 0) { i = (int)LoadResPriority.Res_Middle; } List <AsyncLoadResParam> loadingList = _LoadingAssetList[i]; if (loadingList.Count <= 0) { continue; } AsyncLoadResParam loadingItem = loadingList[0]; loadingList.RemoveAt(0); callBackList = loadingItem.CallBackList; Object obj = null; ResItem item = null; #if UNITY_EDITOR if (IsEditorLoadMode) { if (item == null) { item = new ResItem(); item.Crc = loadingItem.Crc; } if (loadingItem.LoadMode == ResKit.LoadResMode.Resource) { ResourceRequest resRequest = null; if (loadingItem.ResType == typeof(Sprite)) { resRequest = Resources.LoadAsync <Sprite>(loadingItem.Path); } else { resRequest = Resources.LoadAsync <Object>(loadingItem.Path); } yield return(resRequest); if (resRequest.isDone) { obj = resRequest.asset; } lastYieldTime = System.DateTime.Now.Ticks; } else { if (loadingItem.ResType == typeof(Sprite)) { obj = LoadAssetByEditor <Sprite>(loadingItem.Path); } else { obj = LoadAssetByEditor <Object>(loadingItem.Path); } //模拟异步加载 yield return(new WaitForSeconds(0.2f)); } } #endif if (obj == null) { if (loadingItem.LoadMode == ResKit.LoadResMode.Resource) { if (item == null) { item = new ResItem(); item.Crc = loadingItem.Crc; } ResourceRequest resRequest = null; if (loadingItem.ResType == typeof(Sprite)) { resRequest = Resources.LoadAsync <Sprite>(loadingItem.Path); } else { resRequest = Resources.LoadAsync <Object>(loadingItem.Path); } yield return(resRequest); if (resRequest.isDone) { obj = resRequest.asset; } lastYieldTime = System.DateTime.Now.Ticks; } else { item = AssetBundleMgr.Instance.LoadResourceAssetBundle(loadingItem.Crc); if (item != null && item.AssetBundle != null) { AssetBundleRequest abRequest = null; if (loadingItem.ResType == typeof(Sprite)) { //是图片资源 abRequest = item.AssetBundle.LoadAssetAsync <Sprite>(item.AssetName); } else { //不是图片资源 abRequest = item.AssetBundle.LoadAssetAsync(item.AssetName); } yield return(abRequest); if (abRequest.isDone) { obj = abRequest.asset; } lastYieldTime = System.DateTime.Now.Ticks; } else { Debug.LogErrorFormat("加载AssetBundle失败 : 不能从AssetBundleConfig中找到 Path :{0}", loadingItem.Path); } } } item.Crc = loadingItem.Crc; item.Obj = obj; item.Guid = obj.GetInstanceID(); CacheResource(loadingItem.Path, ref item, loadingItem.Crc, callBackList.Count); for (int j = 0; j < callBackList.Count; j++) { AsyncCallBack callBack = callBackList[j]; if (callBack != null && callBack.OnFinish != null && callBack.ResObj != null) { ResouceObj tempResObj = callBack.ResObj; tempResObj.ResItem = item; callBack.OnFinish(loadingItem.Path, tempResObj, tempResObj.ParamValues); callBack.OnFinish = null; tempResObj = null; } if (callBack != null && callBack.OnObjFinish != null) { callBack.OnObjFinish(loadingItem.Path, obj, callBack.ParamValues); callBack.OnObjFinish = null; } callBack.Reset(); _AsyncCallBackPool.Recycle(callBack); } obj = null; callBackList.Clear(); _LoadingAssetDic.Remove(loadingItem.Crc); loadingItem.Reset(); _AsyncLoadResParamPool.Recycle(loadingItem); if (System.DateTime.Now.Ticks - lastYieldTime > _MaxLoadResTime) { yield return(null); lastYieldTime = System.DateTime.Now.Ticks; haveYield = true; } } //大于 _MaxLoadResTime 时间才等待一帧 if (!haveYield || System.DateTime.Now.Ticks - lastYieldTime > _MaxLoadResTime) { lastYieldTime = System.DateTime.Now.Ticks; yield return(null); } } }