// Invoked when a load requeset has failed to download the material data it needs
// Requests are retried RETRY_LIMIT times if they fail more than that the request is abandoned (error is logged)
// When this happens if any dependent cubes want the resource that failed one request is re-queued to try again (under that request's Retry quota)
private void FailGetMaterialDataRequest(LoadCubeRequest loadRequest, string materialPath)
{
CheckIfBackgroundThread();
loadRequest.Failures++;
lock (MaterialDataCache)
{
// Remove the 'in progress' marker from the cache
MaterialDataCache.Remove(materialPath);
}
if (RETRY_LIMIT > loadRequest.Failures)
{
Debug.LogError("Retry limit hit for: " + materialPath);
Debug.LogError("Cube load failed for " + loadRequest);
lock (_dependentCubes)
{
LinkedList <LoadCubeRequest> dependentRequests;
if (_dependentCubes.TryGetValue(materialPath, out dependentRequests))
{
var request = dependentRequests.Last.Value;
dependentRequests.RemoveLast();
_loadMaterialQueue.ConcurrentEnqueue(request).Wait();
}
}
}
else
{
// Queue for retry
_loadMaterialQueue.ConcurrentEnqueue(loadRequest).Wait();
}
}
private IEnumerator GetMaterialForRequest(LoadCubeRequest loadRequest)
{
//var pyriteLevel = loadRequest.Query.DetailLevels[loadRequest.LodIndex];
//var textureCoordinates = pyriteLevel.TextureCoordinatesForCube(loadRequest.X, loadRequest.Y);
//var texturePath = loadRequest.Query.GetTexturePath(loadRequest.LodIndex, (int)textureCoordinates.x, (int)textureCoordinates.y);
var pyriteLevel = pyriteQuery.DetailLevels[loadRequest.LodIndex];
var textureCoordinates = pyriteLevel.TextureCoordinatesForCube(loadRequest.X, loadRequest.Y);
var texturePath = pyriteQuery.GetTexturePath(loadRequest.LodIndex, (int)textureCoordinates.x, (int)textureCoordinates.y);
while (!Monitor.TryEnter(MaterialDataCache))
{
yield return(null);
}
// If the material data is not in the cache or in the middle of being constructed add this request as a dependency
if (!MaterialDataCache.ContainsKey(texturePath) || MaterialDataCache[texturePath] == null)
{
// Add this request to list of requests that is waiting for the data
yield return(StartCoroutine(AddDependentRequest(loadRequest, texturePath)));
// Check if this is the first request for material (or it isn't in the cache)
if (!MaterialDataCache.ContainsKey(texturePath))
{
if (UseWwwForTextures)
{
// Material data was not in cache nor being constructed
// Set to null to signal to other tasks that the key is in the process
// of being filled
MaterialDataCache[texturePath] = null;
var materialData = CubeBuilderHelpers.GetDefaultMaterialData(
(int)textureCoordinates.x,
(int)textureCoordinates.y,
loadRequest.LodIndex,
texturePath);
var cachePath = CacheWebRequest.GetCacheFilePath(texturePath);
if (!CacheFill)
{
WWW textureWww; // = new WWW(texturePath);
if (CacheWebRequest.IsItemInCache(cachePath))
{
textureWww = new WWW("file:///" + cachePath);
yield return(textureWww);
}
else
{
textureWww = new WWW(texturePath);
yield return(textureWww);
CacheWebRequest.AddToCache(cachePath, textureWww.bytes);
}
materialData.DiffuseTex = textureWww.texture;
materialData.DiffuseTex.name = materialData.Name;
}
MaterialDataCache[texturePath] = materialData;
MaterialDataCache.AddRef(texturePath);
// Move forward dependent requests that wanted this material data
yield return(StartCoroutine(SucceedGetMaterialDataRequests(texturePath, materialData)));
}
else
{
// Material data was not in cache nor being constructed
// Set to null to signal to other tasks that the key is in the process
// of being filled
MaterialDataCache[texturePath] = null;
var materialData = CubeBuilderHelpers.GetDefaultMaterialData(
(int)textureCoordinates.x,
(int)textureCoordinates.y,
loadRequest.LodIndex,
texturePath);
_partiallyConstructedMaterialDatas[texturePath] = materialData;
CacheWebRequest.GetBytes(texturePath, textureResponse =>
{
CheckIfBackgroundThread();
if (textureResponse.Status == CacheWebRequest.CacheWebResponseStatus.Error)
{
Debug.LogError("Error getting texture [" + texturePath + "] " + textureResponse.ErrorMessage);
FailGetMaterialDataRequest(loadRequest, texturePath);
}
else if (textureResponse.Status == CacheWebRequest.CacheWebResponseStatus.Cancelled)
{
lock (MaterialDataCache)
{
MaterialDataCache.Remove(texturePath);
}
}
else
{
if (textureResponse.IsCacheHit)
{
//FileCacheHits++;
}
else
{
//FileCacheMisses++;
}
_texturesReadyForMaterialDataConstruction.ConcurrentEnqueue(
new KeyValuePair <string, byte[]>(texturePath, textureResponse.Content)).Wait();
}
}, DependentRequestsExistBlocking);
}
}
}
else // The material was in the cache
{
// Material data ready get it and move on
//MaterialCacheHits++;
loadRequest.MaterialData = MaterialDataCache[texturePath];
MaterialDataCache.AddRef(texturePath);
MoveRequestForward(loadRequest);
}
Monitor.Exit(MaterialDataCache);
}
