//第二种方案：协程挂起加载
private T LoadAssetsAsyncByIEnumerator <T>(string sPath, ResType rt, Action <T> fun, bool bInstantiate = false) where T : Object
{
string sName = GetAssetName(sPath);
//正在被加载 还没加载完成
foreach (AssetInfo item in _listLoading)
{
if (item.SName == sName)
{
Action <Object> action = o => fun((T)o);
item.AddListener(action, bInstantiate);
return(null);
}
}
AssetInfo ai = AssetPool.AssetGet(sName, sPath, (int)rt);
if (ai != null)
{
var obj = (T)ai.Obj;
return(obj);
}
else
{
//都没有 先创建
AssetInfo asset = new AssetInfo(sName, sPath, (int)rt, null);
Action <Object> action = o => fun((T)o); //T 转为Object类型
asset.AddListener(action, bInstantiate); //添加回调
_dicLoading.Add(sName, asset); //缓存
StartCoroutine(IeLoadAsync(asset)); //挂起
return(null);
}
}
//第一种方案：添加到异步加载队列中
private T LoadAssetsAsyncByUpdate <T>(string sPath, ResType rt, Action <T> fun, bool bInstantiate = false) where T : Object
{
string sName = GetAssetName(sPath);
//正在被加载 还没加载完成
foreach (AssetInfo item in _listLoading)
{
if (item.SName == sName)
{
Action <Object> action = o => fun((T)o);
item.AddListener(action, bInstantiate);
return(null);
}
}
//等待的队列里面有
foreach (AssetInfo item in _queWaitLoad)
{
if (item.SName == sName)
{
Action <Object> action = o => fun((T)o);
item.AddListener(action, bInstantiate);
return(null);
}
}
AssetInfo ai = AssetPool.AssetGet(sName, sPath, (int)rt);
if (ai != null)
{
var obj = (T)ai.Obj;
return(obj);
}
else
{
//都没有 先创建
AssetInfo asset = new AssetInfo(sName, sPath, (int)rt, null);
//T 转为Object类型
Action <Object> action = o => fun((T)o);
asset.AddListener(action, bInstantiate);
//添加到等待队列
_queWaitLoad.Enqueue(asset);
return(null);
}
}