/// <summary>
/// 针对ObjectManager异步加载的接口
/// </summary>
/// <param name="path"></param>
/// <param name="resObj"></param>
/// <param name="dealfinish"></param>
/// <param name="priority"></param>
public void AsyncLoadResouce(string path, TResouceObj resObj, OnAsyncFinish dealfinish, LoadResPriority priority)
{
TResouceItem item = GetCacheResouceItem(resObj.Crc);
if (item != null)
{
resObj.ResItem = item;
dealfinish?.Invoke(path, resObj);
}
//判断是否在加载中
TAsyncLoadResParam para = null;
if (!mLoadingAssetDic.TryGetValue(resObj.Crc, out para) || para == null)
{
para = mAsyncLoadResParamPool.Allocate();
para.Crc = resObj.Crc;
para.Path = path;
para.Priority = priority;
mLoadingAssetDic.Add(resObj.Crc, para);
mLoadingAssetList[(int)priority].Add(para);
}
//往回调列表里面加回调
TAsyncCallBack callBack = mAsyncCallBackPool.Allocate();
callBack.DealFinish = dealfinish;
callBack.ResObj = resObj;
para.CallbackList.Add(callBack);
}
/// <summary>
/// 取消异步加载资源
/// </summary>
/// <returns></returns>
public bool CancleLoad(TResouceObj res)
{
TAsyncLoadResParam para = null;
if (mLoadingAssetDic.TryGetValue(res.Crc, out para) && mLoadingAssetList[(int)para.Priority].Contains(para))
{
for (int i = para.CallbackList.Count; i > 0; i--)
{
TAsyncCallBack tempCallBack = para.CallbackList[i];
if (tempCallBack != null && res == tempCallBack.ResObj)
{
tempCallBack.Reset();
mAsyncCallBackPool.Recycle(tempCallBack);
para.CallbackList.Remove(tempCallBack);
}
}
if (para.CallbackList.Count <= 0)
{
para.Reset();
mLoadingAssetList[(int)para.Priority].Remove(para);
mAsyncLoadResParamPool.Recycle(para);
mLoadingAssetDic.Remove(res.Crc);
return(true);
}
}
return(false);
}
/// <summary>
/// 异步加载资源（仅仅是不需要实例化的资源，例如音频，图片等）
/// </summary>
/// <param name="path"></param>
/// <param name="dealFinish"></param>
/// <param name="priority"></param>
/// <param name="param1"></param>
/// <param name="param2"></param>
/// <param name="param3"></param>
/// <param name="crc"></param>
public void AsyncLoadResouce(string path, OnAsyncObjFinish dealFinish, LoadResPriority priority, bool isSprite = false, object param1 = null, object param2 = null, object param3 = null, uint crc = 0)
{
if (crc == 0)
{
crc = CRC32.GetCRC32(path);
}
TResouceItem item = GetCacheResouceItem(crc);
if (item != null)
{
if (dealFinish != null)
{
dealFinish(path, item.Obj, param1, param2, param3);
}
return;
}
//判断是否在加载中
TAsyncLoadResParam para = null;
if (!mLoadingAssetDic.TryGetValue(crc, out para) || para == null)
{
para = mAsyncLoadResParamPool.Allocate();
para.Crc = crc;
para.Path = path;
para.IsSprite = isSprite;
para.Priority = priority;
mLoadingAssetDic.Add(crc, para);
mLoadingAssetList[(int)priority].Add(para);
}
//往回调列表里面加回调
TAsyncCallBack callBack = mAsyncCallBackPool.Allocate();
callBack.DealObjFinish = dealFinish;
callBack.Param1 = param1;
callBack.Param2 = param2;
callBack.Param3 = param3;
para.CallbackList.Add(callBack);
}
/// <summary>
/// 异步加载
/// </summary>
/// <returns></returns>
IEnumerator AsyncLoadCor()
{
List <TAsyncCallBack> callBackList = null;
//上一次yild的时间
long lastYildTime = System.DateTime.Now.Ticks;
while (true)
{
bool haveYield = false;
for (int i = 0; i < (int)LoadResPriority.RES_NUM; i++)
{
if (mLoadingAssetList[(int)LoadResPriority.RES_HIGHT].Count > 0)
{
i = (int)LoadResPriority.RES_HIGHT;
}
else if (mLoadingAssetList[(int)LoadResPriority.RES_MIDDLE].Count > 0)
{
i = (int)LoadResPriority.RES_MIDDLE;
}
List <TAsyncLoadResParam> loadingList = mLoadingAssetList[i];
if (loadingList.Count <= 0)
{
continue;
}
TAsyncLoadResParam loadingItem = loadingList[0];
loadingList.RemoveAt(0);
callBackList = loadingItem.CallbackList;
Object obj = null;
TResouceItem item = null;
#if UNITY_EDITOR
if (!AppConfig.UseAssetBundle)
{
if (loadingItem.IsSprite)
{
obj = LoadAssetByEditor <Sprite>(loadingItem.Path);
}
else
{
obj = LoadAssetByEditor <Object>(loadingItem.Path);
}
//模拟异步加载
yield return(new WaitForSeconds(0.5f));
item = AssetBundleManager.Instance.FindResouceItem(loadingItem.Crc);
if (item == null)
{
item = new TResouceItem();
item.Crc = loadingItem.Crc;
}
}
#endif
if (obj == null)
{
item = AssetBundleManager.Instance.LoadResouceAssetBundle(loadingItem.Crc);
if (item != null && item.AssetBundle != null)
{
AssetBundleRequest abRequest = null;
if (loadingItem.IsSprite)
{
abRequest = item.AssetBundle.LoadAssetAsync <Sprite>(item.AssetName);
}
else
{
abRequest = item.AssetBundle.LoadAssetAsync(item.AssetName);
}
yield return(abRequest);
if (abRequest.isDone)
{
obj = abRequest.asset;
}
lastYildTime = System.DateTime.Now.Ticks;
}
}
CacheResouce(loadingItem.Path, ref item, loadingItem.Crc, obj, callBackList.Count);
for (int j = 0; j < callBackList.Count; j++)
{
TAsyncCallBack callBack = callBackList[j];
if (callBack != null && callBack.DealFinish != null && callBack.ResObj != null)
{
TResouceObj tempResObj = callBack.ResObj;
tempResObj.ResItem = item;
callBack.DealFinish(loadingItem.Path, tempResObj, tempResObj.Param1, tempResObj.Param2, tempResObj.Param3);
callBack.DealFinish = null;
tempResObj = null;
}
if (callBack != null && callBack.DealObjFinish != null)
{
callBack.DealObjFinish(loadingItem.Path, obj, callBack.Param1, callBack.Param2, callBack.Param3);
callBack.DealObjFinish = null;
}
callBack.Reset();
mAsyncCallBackPool.Recycle(callBack);
}
obj = null;
callBackList.Clear();
mLoadingAssetDic.Remove(loadingItem.Crc);
loadingItem.Reset();
mAsyncLoadResParamPool.Recycle(loadingItem);
if (System.DateTime.Now.Ticks - lastYildTime > MAXLOADRESTIME)
{
yield return(null);
lastYildTime = System.DateTime.Now.Ticks;
haveYield = true;
}
}
if (!haveYield || System.DateTime.Now.Ticks - lastYildTime > MAXLOADRESTIME)
{
lastYildTime = System.DateTime.Now.Ticks;
yield return(null);
}
yield return(null);
}
}
