public XAssetInfo getAssetInfo(XLoadRes res)
{
// 如果有了则直接返回
if (res.asset != null)
{
return(res.asset);
}
XAssetKey key = new XAssetKey {
res = res.res, all = res.all, tp = res.tp
};
if (string.IsNullOrEmpty(res.res))
{
res.asset = getAssetInfoFromCache(key, XLoadStatus.FAIL);
return(res.asset);
}
// 从AB里面获取一个
if (isLoadFromAB)
{
// 从AB包里面获取
XBundleInfo info = getAssetBundle(res.res);
if (info != null)
{
// 是否一定要在这里取？--1方便info做引用计数
res.asset = info.getAssetInfo(key);
}
else
{
res.asset = getAssetInfoFromCache(key, XLoadStatus.FAIL);
}
}
else
{
// 直接在上面在上面进行装载
res.asset = getAssetInfoFromCache(key, XLoadStatus.NONE);
}
return(res.asset);
}
// 优化协程版本，不开启更多的协程
IEnumerator coLoad(XLoadDesc desc, Action <XLoadDesc> cb, bool check)
{
// asset desc!= null
if (check)
{
fillDesc(desc);
if (desc.isComplete)
{
if (cb != null)
{
cb(desc);
}
yield break;
}
}
// 一个一个的装载
for (int i = 0; i < desc.reses.Count; i++)
{
XLoadRes res = desc.reses[i];
desc.cursor = res;
XAssetInfo asset = res.asset;
if (asset.status == XLoadStatus.NONE)
{
asset.status = XLoadStatus.LOADING;
XBundleInfo bundle = res.asset.bundle;
#region bundle 装载流程
// 没装载好
if (bundle.status == XLoadStatus.NONE)
{
bundle.status = XLoadStatus.LOADING;
bool childOK = true;
// 拍平了的依赖
for (int j = 0; j < bundle.dependAll.Count; j++)
{
XBundleInfo dpab = bundle.dependAll[j];
if (dpab.status == XLoadStatus.NONE)
{
dpab.status = XLoadStatus.LOADING;
// 真正装载的路径
dpab.www = new WWW(getPath(dpab));
// XDebug.LogError("装载依赖"+ getPath(dpab));
yield return(dpab.www);
if (!string.IsNullOrEmpty(dpab.www.error) || dpab.www.assetBundle == null)
{
dpab.status = XLoadStatus.FAIL;
}
else
{
dpab.ab = dpab.www.assetBundle;
dpab.status = XLoadStatus.SUCESS;
}
dpab.www.Dispose();
dpab.www = null;
}
if (!dpab.isComplete)
{
yield return(dpab);
}
if (dpab.isFail)
{
bundle.status = XLoadStatus.FAIL;
childOK = false;
break;
}
}
// 装载自己
if (childOK)
{
bundle.www = new WWW(getPath(bundle));
// XDebug.LogError("装载自己" + getPath(bundle));
yield return(bundle.www);
if (!string.IsNullOrEmpty(bundle.www.error) || bundle.www.assetBundle == null)
{
bundle.status = XLoadStatus.FAIL;
}
else
{
bundle.ab = bundle.www.assetBundle;
bundle.status = XLoadStatus.SUCESS;
}
bundle.www.Dispose();
bundle.www = null;
}
}
#endregion
if (!bundle.isComplete)
{
yield return(bundle);
}
#region 装载asset
// 失败了
if (bundle.isFail)
{
asset.status = XLoadStatus.FAIL;
}
else
{
// bundle成功了
if (asset.all)
{
asset.rq = bundle.ab.LoadAllAssetsAsync(asset.tp);
yield return(asset.rq);
if (asset.rq.isDone && asset.rq.allAssets != null)
{
asset.status = XLoadStatus.SUCESS;
asset.obs = asset.rq.allAssets;
if (asset.obs != null)
{
asset.obDict = new Dictionary <string, UnityEngine.Object>();
string[] assetNames = bundle.ab.GetAllAssetNames();
if (assetNames.Length == asset.obs.Length)
{
for (int k = 0; k < asset.obs.Length; k++)
{
asset.obDict[assetNames[k]] = asset.obs[k];
}
}
else
{
// 如果只有一项，本来名称需要相同的
if (assetNames.Length >= 1)
{
for (int k = 0; k < asset.obs.Length; k++)
{
asset.obDict[assetNames[0]] = asset.obs[k];
}
}
}
}
}
else
{
asset.status = XLoadStatus.FAIL;
}
asset.rq = null;
}
else
{
string relname = getRelPathName(asset.res, bundle);
asset.rq = bundle.ab.LoadAssetAsync(relname, asset.tp);
yield return(asset.rq);
if (asset.rq.isDone && asset.rq.asset != null)
{
asset.status = XLoadStatus.SUCESS;
asset.ob = asset.rq.asset;
}
else
{
asset.status = XLoadStatus.FAIL;
}
asset.rq = null;
}
}
#endregion
}
// 可以让自己直接返回
if (!asset.isComplete)
{
yield return(asset);
}
}
desc._isComplete = true;
if (cb != null)
{
cb(desc);
}
}