public void Load(string url, int version, ResolveAction resolve, FallbackAction fallback)
{
CorgiDiskChunk chunk = null;
if (chunkData.TryGetValue(url, out chunk))
{
if (version >= 0 && chunk.version >= version)
{
chunkPriorityQueue.Remove(chunk.url);
chunkPriorityQueue.AddFirst(chunk.url);
corgi.StartCoroutine(DownloadLocal(chunk, resolve, fallback));
return;
}
else
{
chunkPriorityQueue.Remove(chunk.url);
RemoveChunk(chunk);
}
}
fallback(url, version, (bytes, tex) =>
{
Save(bytes, url, version);
resolve(bytes, tex);
});
}
public void Save(byte[] bytes, string url, int version)
{
if (bytes == null || bytes.Length == 0)
{
return;
}
Debug.Log("Corgi Save " + url + " v." + version);
//var bytes = tex.GetRawTextureData();
var path = Path.GetRandomFileName();
var size = bytes.Length;
chunkData[url] = new CorgiDiskChunk()
{
url = url, version = version, path = path, size = size
};
chunkPriorityQueue.AddFirst(url);
useSize += size;
SaveFile(path, bytes);
while (capacity < useSize)
{
RemoveLastChunk();
}
SaveCorgiDiskData();
}
IEnumerator DownloadLocal(CorgiDiskChunk chunk, ResolveAction resolve, FallbackAction fallback)
{
var realPath = Path.Combine(Application.temporaryCachePath, chunk.path);
var www = new WWW("file:///" + realPath);
Debug.Log("path=" + "file:///" + realPath);
yield return(www);
if (!string.IsNullOrEmpty(www.error))
{
Debug.Log("[ERR]" + www.error + "\n" + chunk.url + " " + chunk.path);
RemoveChunk(chunk);
fallback(chunk.url, chunk.version, (bytes, tex) => {
Save(bytes, chunk.url, chunk.version);
resolve(bytes, tex);
});
}
else
{
Debug.Log("Disk hit");
Texture2D tex = new Texture2D(0, 0);
www.LoadImageIntoTexture(tex);
resolve(null, tex);
}
}
public void Load(string url, int version, ResolveAction resolve, FallbackAction fallback)
{
CorgiDiskChunk chunk = null;
if (map.TryGetValue(url, out chunk))
{
if (chunk.version >= version)
{
queue.Remove(chunk.url);
queue.AddFirst(chunk.url);
StartCoroutine(DownloadLocal(chunk, resolve, fallback));
return;
}
else
{
queue.Remove(chunk.url);
RemoveChunk(chunk);
}
}
ResolveAction newResolve = (tex) =>
{
Save(tex, url, version);
resolve(tex);
};
fallback(url, version, newResolve);
}
private void RemoveChunk(CorgiDiskChunk chunk)
{
Debug.Log("Remove Chunk" + chunk.url);
var realPath = Path.Combine(Application.temporaryCachePath, chunk.path);
useSize -= chunk.size;
chunkData.Remove(chunk.url);
var t = new System.Threading.Thread(() =>
{
if (File.Exists(realPath))
{
File.Delete(realPath);
}
});
t.Start();
}
public void Save(Texture2D tex, string url, int version)
{
var bytes = tex.GetRawTextureData();
var path = Path.GetRandomFileName();
var size = bytes.Length;
map[url] = new CorgiDiskChunk()
{
url = url, version = version, path = path, size = size
};
queue.AddFirst(url);
useSize += size;
SaveFile(path, bytes);
while (capacity < useSize)
{
RemoveLastChunk();
}
}
