/// <summary>
/// 加载一个AB
/// </summary>
/// <param name="ABName">资源名称</param>
/// <param name="callBack">回调函数</param>
/// <param name="keepInMemory">是否常驻内存</param>
/// <param name="Async">是否异步加载</param>
public void LoadAB(string ABName, System.Action <AssetBundle> callBack = null
, bool keepInMemory = false, bool Async = false)
{
if (mCacheABDic.ContainsKey(ABName))
{
if (callBack != null)
{
callBack(mCacheABDic[ABName].ab);
}
}
else
{
if (Async)
{
foreach (LoadPack load in mLoading)
{
if (load.info.abName == ABName)
{
load.AddListener(callBack);
return;
}
}
foreach (LoadPack load in mWaitLoad)
{
if (load.info.abName == ABName)
{
load.AddListener(callBack);
return;
}
}
LoadPack loadPack = new LoadPack();
loadPack.info = new PackInfo(name, null, keepInMemory);
loadPack.AddListener(callBack);
mWaitLoad.Enqueue(loadPack);
}
else
{
AssetBundle ab = AssetBundle.LoadFromFile(AppConst.AppExternalDataPath + "/" + ABName + AppConst.ExtName);
PackInfo info = new PackInfo(ABName, ab, keepInMemory);
mCacheABDic[info.abName] = info;
if (callBack != null)
{
callBack(mCacheABDic[ABName].ab);
}
}
}
}
public override void OnUpdate()
{
while (mWaitLoad.Count > 0 && mLoading.Count <= SystemInfo.processorCount)
{
LoadPack pack = mWaitLoad.Dequeue();
mLoading.Add(pack);
pack.Load();
}
if (mLoading.Count > 0)
{
for (int i = mLoading.Count - 1; i >= 0; i--)
{
if (mLoading[i].IsDone)
{
mLoading[i].info.ab = mLoading[i].request.assetBundle;
mLoading[i].CallBack();
mCacheABDic.Add(mLoading[i].info.abName, mLoading[i].info);
mLoading.RemoveAt(i);
}
}
}
}
