//异步读取回调处理方法
private static void AsyncReadCallback(IAsyncResult asyncResult)
{
AsyncResourceState asyncState = (AsyncResourceState)asyncResult.AsyncState;
int readCn = asyncState.FS.EndRead(asyncResult);
//判断是否读到内容
if (readCn == asyncState.Buffer.Length)
{
UnityEngine.Object retobj = LoadByType(asyncState.Info, asyncState.Buffer, asyncState.T);
loadedlist.Add(asyncState.Info);
if (asyncState.Handler != null)
{
asyncState.Handler(asyncState.ResourcePath, retobj);
}
}
}
public static void LoadAsyn(string relpath, Type t, ResourceAsynHandlerEx handler)
{
if (relpath == null || relpath.Length <= 0)
{
return;
}
if (!bEnable) //editor case
{
//return Resources.Load(relpath, t);
return;
}
else
{
string classname = t.Name;
if (resourcetable.ContainsKey(classname) == false)
{
return;
}
Dictionary <string, ResourceInfoEx> infolist = resourcetable[classname];
if (infolist == null)
{
return;
}
string resname = Path.GetFileNameWithoutExtension(relpath);
if (infolist.ContainsKey(resname) == false)
{
return;
}
ResourceInfoEx info = infolist[resname];
//if (info.path == null || info.path.Length <= 0) return;
//UnityEngine.Object retobj = Resources.Load(info.path, t);
//if (retobj == null)
//{
// retobj = Resources.Load(info.path);
//}
//if (!t.IsInstanceOfType(retobj))
//{
// UnityEngine.Object extractobj = GetObjectFromDependent(retobj, resname, t);
// if (extractobj != null) retobj = extractobj;
//}
//if (t == null || !t.IsInstanceOfType(retobj))
//{
// Debug.Log("resname=" + resname + ",respath=" + info.path);
// Debug.Log(retobj);
//}
//if (handler != null)
//{
// handler(relpath, retobj);
//}
if (info.obj != null)//已经加载过的直接回调
{
info.refcount++;
if (handler != null)
{
handler(relpath, info.obj);
}
return;
}
if (info.length > 0)
{
if (abm.abhs.ContainsKey(info.bundlename))
{
AssetBundleEx ab = abm.abhs[info.bundlename];
if (ab.afs.ContainsKey(info.assetfilename))
{
AssetFileEx af = ab.afs[info.assetfilename];
Stream fs = af.stream;
fs.Position = info.offset;
byte[] data = new byte[info.length];
AsyncResourceState asyncState = new AsyncResourceState {
FS = fs, Buffer = data, Info = info, T = t, Handler = handler, ResourcePath = relpath
};
IAsyncResult asyncResult = fs.BeginRead(data, (int)0, (int)info.length, new AsyncCallback(AsyncReadCallback), asyncState);
}
}
}
return;
}
}