/// <summary>
/// 用于解绑回调
/// </summary>
public void RemoveCallback(string assetName, PrefabLoadCallback callFun)
{
if (callFun == null)
{
return;
}
PrefabObject prefabObj = null;
if (loadedList.ContainsKey(assetName))
{
prefabObj = loadedList[assetName];
}
if (prefabObj != null)
{
int index = prefabObj.CallbackList.IndexOf(callFun);
if (index >= 0)
{
prefabObj.RefCount--;
prefabObj.CallbackList.RemoveAt(index);
prefabObj.CallParentList.RemoveAt(index);
if (index < prefabObj.LockCallbackCount) // 说明是加载回调过程中解绑回调，需要降低lock个数
{
prefabObj.LockCallbackCount--;
}
}
if (prefabObj.RefCount < 0)
{
string errormsg = string.Format("PrefabLoadMgr Destroy refCount error ! assetName:{0}", prefabObj.AssetName);
Debug.LogError(errormsg);
return;
}
if (prefabObj.RefCount == 0)
{
loadedList.Remove(prefabObj.AssetName);
assetLoadMgr.Unload(prefabObj.Asset);
prefabObj.Asset = null;
}
}
}
/// <summary>
/// 异步实例化资源
/// </summary>
/// <param name="assetName"></param>
public void LoadAsync(string assetName, PrefabLoadCallback callFun, Transform parent)
{
PrefabObject prefabObj = null;
if (loadedList.ContainsKey(assetName))
{
prefabObj = loadedList[assetName];
prefabObj.CallbackList.Add(callFun);
prefabObj.CallParentList.Add(parent);
prefabObj.RefCount++;
if (prefabObj.Asset != null)
{
loadedAsyncList.Add(prefabObj);
}
return;
}
prefabObj = new PrefabObject()
{
AssetName = assetName, RefCount = 1
};
prefabObj.CallbackList.Add(callFun);
prefabObj.CallParentList.Add(parent);
loadedList.Add(assetName, prefabObj);
assetLoadMgr.LoadAsync(assetName, (string name, Object obj) =>
{
prefabObj.Asset = obj;
prefabObj.LockCallbackCount = prefabObj.CallbackList.Count;
DoInstanceAssetCallback(prefabObj);
}
);
}
