private IEnumerator SucceedGetMaterialDataRequests(string materialDataKey, MaterialData materialData)
{
CheckIfMainThread();
// Check to see if any other requests were waiting on this model
LinkedList <LoadCubeRequest> dependentRequests;
while (!Monitor.TryEnter(_dependentCubes))
{
yield return(null);
}
if (_dependentCubes.TryGetValue(materialDataKey, out dependentRequests))
{
_dependentCubes.Remove(materialDataKey);
}
Monitor.Exit(_dependentCubes);
while (!Monitor.TryEnter(MaterialDataCache))
{
yield return(null);
}
// If any were send them to their next stage
if (dependentRequests != null)
{
foreach (var request in dependentRequests)
{
request.MaterialData = materialData;
MaterialDataCache.AddRef(request.MaterialData.DiffuseTexPath);
MoveRequestForward(request);
}
}
// Now that added references for the dependent requests. We can release the interim reference
MaterialDataCache.Release(materialData.DiffuseTexPath);
Monitor.Exit(MaterialDataCache);
}
// Helper for locking a queue, pulling off requests and invoking a handler function for them
private void ProcessQueue(Queue <LoadCubeRequest> queue, Func <LoadCubeRequest, IEnumerator> requestProcessFunc,
int limit)
{
var noLimit = limit == 0;
if (Monitor.TryEnter(queue))
{
try
{
while (queue.Count > 0 && (noLimit || (limit-- > 0)))
{
var request = queue.Dequeue();
if (!request.Cancelled)
{
StartCoroutine(requestProcessFunc(request));
}
else
{
lock (MaterialDataCache)
{
if (request.MaterialData != null && request.MaterialData.DiffuseTex != null)
{
MaterialDataCache.Release(request.MaterialData.DiffuseTex.name);
}
}
CancelledRequests++;
}
}
}
finally
{
Monitor.Exit(queue);
}
}
}
