/// <summary>
/// 回收一个资源，针对SceneMgr
/// </summary>
protected void DestoryResourceItemScene(ResourceItem item, bool destoryCache = true)
{
if (item == null || item.RefCount > 0)
{
ZLogger.Error("针对场景的释放，不应该有引用大于0的情况");
return;
}
if (!SceneAssetDic.Remove(item.m_Crc))
{
return;
}
//释放assetbundel引用
AssetBundleMgr.Instance.ReleaseAsset(item);
if (item.m_Obj != null)
{
item.m_Obj = null;
#if UNITY_EDITOR
Resources.UnloadUnusedAssets();
#endif
}
}
/// <summary>
/// 根据路径的CRC加载中间类resourceItem
/// </summary>
/// <param name="crc"></param>
/// <returns></returns>
public ResourceItem LoadResourceAssetBundle(uint crc)
{
ResourceItem item = null;
if (!m_ResourceItemDic.TryGetValue(crc, out item) || item == null)
{
ZLogger.Error("LoadResourceAssetBundle can not find crc {0} in assetbundleconfig", crc.ToString());
return(item);
}
if (item.m_AssetBundel != null)
{
return(item);
}
item.m_AssetBundel = LoadAssetBundle(item.m_ABName);
if (item.m_DependenAssetBundle != null)
{
for (int i = 0; i < item.m_DependenAssetBundle.Count; i++)
{
LoadAssetBundle(item.m_DependenAssetBundle[i]);
}
}
return(item);
}
/// <summary>
/// 异步加载
/// </summary>
IEnumerator AsyncLoadCor()
{
List <ResMgrAsyncCallBack> callBackList = null;
//上一次yield的时间
long lastYieldTime = System.DateTime.Now.Ticks;
while (true)
{
bool haveYieldBoo = false;
for (int i = 0; i < (int)LoadResPriority.RES_NUM; i++)
{
if (m_LoadingAssetList[(int)LoadResPriority.RES_HIGHT].Count > 0)
{
i = (int)LoadResPriority.RES_HIGHT;
}
else if (m_LoadingAssetList[(int)LoadResPriority.RES_MIDDLE].Count > 0)
{
i = (int)LoadResPriority.RES_MIDDLE;
}
List <AsynvLoadResParam> loadingList = m_LoadingAssetList[i];
if (loadingList.Count <= 0)
{
continue;
}
AsynvLoadResParam loadingItem = loadingList[0];
loadingList.RemoveAt(0);
callBackList = loadingItem.m_CallBackList;
Object obj = null;
ResourceItem item = null;
#if UNITY_EDITOR
if (AppConst.DebugMode)
{
if (loadingItem.m_SpriteBoo)
{
obj = LoadAssetByEditor <Sprite>(loadingItem.m_Path);
}
else
{
obj = LoadAssetByEditor <Object>(loadingItem.m_Path);
}
//模拟异步加载
yield return(new WaitForSeconds(0.5f));
item = AssetBundleMgr.Instance.FindResourceItem(loadingItem.m_Crc);
if (item == null)
{
item = new ResourceItem();
item.m_Crc = loadingItem.m_Crc;
}
}
#endif
if (obj == null)
{
item = AssetBundleMgr.Instance.LoadResourceAssetBundle(loadingItem.m_Crc);
if (item != null && item.m_AssetBundel != null)
{
AssetBundleRequest abRequest = null;
if (loadingItem.m_SpriteBoo)
{
abRequest = item.m_AssetBundel.LoadAssetAsync <Sprite>(item.m_AssetName);
}
else
{
abRequest = item.m_AssetBundel.LoadAssetAsync(item.m_AssetName);
}
yield return(abRequest);
if (abRequest.isDone)
{
obj = abRequest.asset;
}
lastYieldTime = System.DateTime.Now.Ticks;
}
}
CacheResource(loadingItem.m_Path, ref item, loadingItem.m_Crc, obj, callBackList.Count);
for (int j = 0; j < callBackList.Count; j++)
{
ResMgrAsyncCallBack callBack = callBackList[j];
if (callBack != null && callBack.m_ObjDealFinish != null && callBack.m_ResObj != null)
{
ResourceObj tempResObj = callBack.m_ResObj;
tempResObj.m_ResItem = item;
callBack.m_ObjDealFinish(loadingItem.m_Path, tempResObj, tempResObj.m_Param1, tempResObj.m_Param2, tempResObj.m_Param3);
callBack.m_ObjDealFinish = null;
tempResObj = null;
}
if (callBack != null && callBack.m_ResDealFinish != null)
{
callBack.m_ResDealFinish(loadingItem.m_Path, obj, callBack.m_Param1, callBack.m_Param2, callBack.m_Param3);
callBack.m_ResDealFinish = null;
}
callBack.Reset();
m_AsyncCallBackPool.Recycle(callBack);
}
obj = null;
callBackList.Clear();
m_LodingAssetDic.Remove(loadingItem.m_Crc);
loadingItem.Reset();
m_AsyncLoadResParamPool.Recycle(loadingItem);
if (System.DateTime.Now.Ticks - lastYieldTime > MAXLOADRESTIME)
{
yield return(null);
lastYieldTime = System.DateTime.Now.Ticks;
haveYieldBoo = true;
}
}
if (!haveYieldBoo || System.DateTime.Now.Ticks - lastYieldTime > MAXLOADRESTIME)
{
lastYieldTime = System.DateTime.Now.Ticks;
yield return(null);
}
}
}
