void LoadContent() { SpanReader reader; foreach (var collectionFile in _fileCollection.Enumerate()) { reader = new SpanReader(collectionFile.GetExclusiveReader()); if (!reader.CheckMagic(MagicStartOfFile)) { continue; // Don't touch files alien files } var fileType = (DiskChunkFileType)reader.ReadUInt8(); var fileInfo = fileType switch { DiskChunkFileType.HashIndex => new FileHashIndex(ref reader), DiskChunkFileType.PureValues => new FilePureValues(ref reader), _ => UnknownFile.Instance }; if (_fileGeneration < fileInfo.Generation) { _fileGeneration = fileInfo.Generation; } _fileInfos.TryAdd(collectionFile.Index, fileInfo); } var hashFilePair = _fileInfos.Where(f => f.Value.FileType == DiskChunkFileType.HashIndex).OrderByDescending( f => f.Value.Generation).FirstOrDefault(); if (hashFilePair.Value == null) { return; } reader = new SpanReader(_fileCollection.GetFile(hashFilePair.Key).GetExclusiveReader()); FileHashIndex.SkipHeader(ref reader); if (((FileHashIndex)hashFilePair.Value).KeySize != _keySize) { return; } var keyBuf = ByteBuffer.NewSync(new byte[_keySize]); while (true) { var cacheValue = new CacheValue(); cacheValue.FileOfs = reader.ReadVUInt32(); if (cacheValue.FileOfs == 0) { break; } cacheValue.FileId = reader.ReadVUInt32(); cacheValue.AccessRate = reader.ReadVUInt32(); cacheValue.ContentLength = reader.ReadVUInt32(); reader.ReadBlock(keyBuf); _cache.TryAdd(new ByteStructs.Key20(keyBuf), cacheValue); } }