private void _CleanRequest()
{
for (int i = 0; i < m_loadRequest.Count; ++i)
{
BundleLoadRequest request = m_loadRequest[i];
request.OnRelease();
}
m_loadRequest.Clear();
}
private void _AddDependAb(BundleLoadRequest request)
{
if (!request.info.HasDependBundle())
{
return;
}
for (int i = 0; i < request.info.dependBundle.Count; ++i)
{
bool needLoad = true;
BundleInfo dependInfo = m_assetCfg.GetBundleInfo(request.info.dependBundle[i]);
//find cache
BundleCache bundle = null;
if (m_bundleCache.TryGetValue(dependInfo.name, out bundle))
{
needLoad = false;
request.OnAssetBundleLoadFinished(dependInfo.name, bundle);
}
else
{
//find request
for (int k = 0; k < m_loadRequest.Count; ++k)
{
if (m_loadRequest[k].name.Equals(dependInfo.name))
{
needLoad = false;
break;
}
}
}
if (needLoad)
{
//add depend ab
BundleLoadRequest depRequest = new BundleLoadRequest(dependInfo.name, dependInfo, null);
_AddDependAb(depRequest);
//add self
m_loadRequest.Add(depRequest);
}
}
}
public void LoadAssetBundleAsync(string name, Action <string, BundleCache> callback)
{
BundleInfo info = m_assetCfg.GetBundleInfo(name);
if (info == null)
{
if (callback != null)
{
callback(name, null);
}
return;
}
//find cache
BundleCache bundle = null;
if (m_bundleCache.TryGetValue(name, out bundle))
{
bundle.Access();
callback(name, bundle);
return;
}
//find request
for (int i = 0; i < m_loadRequest.Count; ++i)
{
if (m_loadRequest[i].name.Equals(name))
{
m_loadRequest[i].finishedCallback += callback;
return;
}
}
//add depend ab
BundleLoadRequest request = new BundleLoadRequest(name, info, callback);
_AddDependAb(request);
//add self
m_loadRequest.Add(request);
}
public void OnTick()
{
bool isIdle = true;
//load ab
for (int i = 0; i < m_loadRequest.Count; ++i)
{
if (m_loadRequest[i].GetStatus() == AssetLoadStatus.Wait ||
m_loadRequest[i].GetStatus() == AssetLoadStatus.Downloaded)
{
string name = m_loadRequest[i].name;
BundleCache cache = null;
if (m_bundleCache.TryGetValue(name, out cache))
{
m_loadRequest[i].OnAssetBundleLoadFinished(name, cache);
continue;
}
AssetBundle ab = _LoadAssetBundleSync(name);
if (ab == null)
{
bool isFaild = true;
if (m_useDownload && m_loadRequest[i].GetStatus() != AssetLoadStatus.Downloaded)
{
isFaild = !m_loadRequest[i].DownLoad();
}
if (isFaild)
{
m_loadRequest[i].OnAssetBundleLoadFinished(name, null);
}
}
else
{
isIdle = false;
cache = new BundleCache();
cache.name = name;
cache.info = m_loadRequest[i].info;
cache.bundle = ab;
cache.Access();
m_bundleCache.Add(name, cache);
m_loadRequest[i].OnAssetBundleLoadFinished(name, cache);
break; //do one!
}
}
}
//check
for (int i = 0; i < m_loadRequest.Count; ++i)
{
if (m_loadRequest[i].GetStatus() == AssetLoadStatus.Loading)
{
isIdle = false;
List <string> unRefDepend = m_loadRequest[i].GetUnRefDependName();
if (unRefDepend != null)
{
for (int k = 0; k < unRefDepend.Count; ++k)
{
BundleCache cache = null;
if (m_bundleCache.TryGetValue(unRefDepend[k], out cache))
{
m_loadRequest[i].OnAssetBundleLoadFinished(unRefDepend[k], cache);
}
}
}
}
}
//__end:
//clear finished request
for (int i = 0; i < m_loadRequest.Count;)
{
BundleLoadRequest request = m_loadRequest[i];
if (request.GetStatus() == AssetLoadStatus.Finished)
{
request.OnRelease();
m_loadRequest.RemoveAt(i);
}
else
{
++i;
}
}
if (isIdle)
{
_ReleaseAb(false);
}
}