/// <summary>
/// 异步加载
/// ?一直在运行
/// </summary>
/// <returns></returns>
IEnumerator AsyncLoadCor()
{
long lastYiledTime = System.DateTime.Now.Ticks;
List <AsyncCallBack> callBacks = null;
bool hadYiled = false;
while (true)
{
//上一次yield的时间
for (int i = 0; i < (int)LoadResPriority.RES_NUM; i++)
{
List <AsyncLoadResParam> loadingList = m_LoadingAssetList[i];
if (loadingList.Count <= 0)
{
continue;
}
AsyncLoadResParam loadingItem = loadingList[0];
loadingList.RemoveAt(0);
callBacks = loadingItem.m_CallBackList;
Object obj = null;
ResourceItem item = null;
#if UNITY_EDITOR
if (!m_LoadFromAssetBundle)
{
obj = LoadAssetByEditor <Object>(loadingItem.m_Path);
//模拟异步加载
yield return(new WaitForSeconds(0.5f));
item = AssetBundleManager.Instance.FindResourceItem(loadingItem.m_Crc);
}
#endif
if (obj == null)
{
item = AssetBundleManager.Instance.LoadResourceAssetBundle(loadingItem.m_Crc);
if (item != null && item.m_AssetBundle)
{
AssetBundleRequest abRequest = null;
if (loadingItem.m_Sprite)
{
abRequest = item.m_AssetBundle.LoadAssetAsync <Sprite>(item.m_AssetName);
}
else
{
abRequest = item.m_AssetBundle.LoadAssetAsync(item.m_AssetName);
}
yield return(abRequest);
if (abRequest.isDone)
{
obj = abRequest.asset;
}
lastYiledTime = System.DateTime.Now.Ticks;
}
}
CacheResource(loadingItem.m_Path, ref item, loadingItem.m_Crc, obj, callBacks.Count);
for (int j = 0; j < callBacks.Count; j++)
{
AsyncCallBack callBack = callBacks[j];
if (callBack != null && callBack.m_DealFinish != null && callBack.m_ResObj != null)
{
ResourceObj tempResObj = callBack.m_ResObj;
tempResObj.m_ResItem = item;
callBack.m_DealFinish(loadingItem.m_Path, tempResObj, tempResObj.m_Param1, tempResObj.m_Param2, tempResObj.m_Param3);
callBack.m_DealFinish = null;
tempResObj = null;
}
if (callBack != null && callBack.m_DealObjFinish != null)
{
callBack.m_DealObjFinish(loadingItem.m_Path, obj, callBack.m_Param1, callBack.m_Param2, callBack.m_Param3);
callBack.m_DealObjFinish = null;
}
callBack.Reset();
m_AsyncCallBackPool.Recycle(callBack);
}
obj = null;
callBacks.Clear();
m_LoadingAssetDic.Remove(loadingItem.m_Crc);
loadingItem.Reset();
m_AsyncLoadResParamPool.Recycle(loadingItem);
if (System.DateTime.Now.Ticks - lastYiledTime > MAXLOADRESTIME)
{
yield return(null);
lastYiledTime = System.DateTime.Now.Ticks;
hadYiled = true;
}
}
if (hadYiled || System.DateTime.Now.Ticks - lastYiledTime > MAXLOADRESTIME)
{
lastYiledTime = System.DateTime.Now.Ticks;
yield return(null);
}
}
}
