private void UpdatePendingRequests()
{
if (_lockCount <= 0 && _pendingRequests.Count > 0)
{
var pendingIt = _pendingRequests.First;
while (pendingIt != null)
{
if (_loadingRequestCount > _maxLoadingAssetNum)
{
break;
}
var req = pendingIt.Value;
var next = pendingIt.Next;
var assetInfo = req.AssetInfo;
if (IsPendingReuqest(req))
{
pendingIt = next;
//waiting for previous identical assets loaded.
continue;
}
if (req.IsDisposed)
{
_loadedRequests.Enqueue(req);
}
else
{
switch (req.RequestType)
{
case ELoadRequestType.Bundle:
{
try
{
_bundleLoadProfile.BeginProfileOnlyEnableProfile();
_bundlePool.LoadAssetBundle(req.AssetInfo.BundleName);
}
finally
{
_bundleLoadProfile.EndProfileOnlyEnableProfile();
}
break;
}
case ELoadRequestType.Scene:
{
try
{
_sceneLoadProfile.BeginProfileOnlyEnableProfile();
_bundlePool.LoadScene(assetInfo.BundleName, assetInfo.AssetName,
req.IsAdditiveScene);
_loadingScenes.Add(assetInfo);
_loadedRequests.Enqueue(req);
req.IsDisposed = true;
}
finally
{
_sceneLoadProfile.EndProfileOnlyEnableProfile();
}
break;
}
case ELoadRequestType.Asset:
{
try
{
_assetLoadProfile.BeginProfileOnlyEnableProfile();
if (TryLoadFromAssetPool(req))
{
_loadedRequests.Enqueue(req);
}
else
{
_bundlePool.LoadAsset(assetInfo.BundleName, assetInfo.AssetName,
req.Option.ObjectType);
var node = AssetLoadRequestNode.Alloc(req);
AssetLoadRequestNode cachedNode;
if (_loadingRequests.TryGetValue(req.AssetInfo, out cachedNode))
{
node.Next = cachedNode.Next;
cachedNode.Next = node;
}
else
{
_loadingRequests[req.AssetInfo] = node;
}
_loadingRequestCount++;
}
}
finally
{
_assetLoadProfile.EndProfileOnlyEnableProfile();
}
break;
}
}
}
_pendingRequests.Remove(pendingIt);
pendingIt = next;
}
}
}
