/// <summary> /// Inserts/replaces a new chunk on a specified location. /// </summary> /// <param name="location">The region location of the chunk.</param> /// <param name="chunk">The chunk to be added.</param> public void InsertChunk(MCPoint location, NBTFile chunk) { int offset = location.X + (location.Y * 32); chunks[offset] = chunk; chunkChanged[offset] = true; }
/// <summary> /// Opens an existing NBT file from a stream. /// </summary> /// <param name="stream">The stream to get the NBT file from.</param> /// <param name="version">The compression version of the NBT, specify '1' for the original gzip compression, '2' for the mcregion zlib compression.</param> /// <returns>An opened NBT file.</returns> public static NBTFile OpenFile(Stream stream, int version) { NBTFile file = new NBTFile(); Stream compressStream; if (version == 1) { compressStream = new GZipStream(stream, CompressionMode.Decompress); } else { stream.ReadByte(); stream.ReadByte(); compressStream = new DeflateStream(stream, CompressionMode.Decompress); } BinaryReader reader = new BinaryReader(compressStream); { Encoding textEncoding = Encoding.UTF8; file.NamedNBT = reader.ReadByte() == 10; file.RootName = textEncoding.GetString(reader.ReadBytes(EndiannessConverter.ToInt16(reader.ReadInt16()))); if (file.NamedNBT) { byte type; while ((type = reader.ReadByte()) != 0) { string name = textEncoding.GetString(reader.ReadBytes(EndiannessConverter.ToInt16(reader.ReadInt16()))); file.InsertTag(new NBTTag(name, type, file.ReadPayload(ref reader, type))); } } else { byte type = reader.ReadByte(); int size = EndiannessConverter.ToInt32(reader.ReadInt32()); for (int i = 0; i < size; i++) { file.InsertTag(new NBTTag("", type, file.ReadPayload(ref reader, type))); } } } reader.Dispose(); compressStream.Dispose(); return(file); }
/// <summary> /// Opens the region file from a stream. /// </summary> /// <param name="stream">The stream the region file will read from.</param> /// <returns>The parsed region file.</returns> public static RegionFile OpenRegion(Stream stream) { #if DEBUG DateTime wStart; #endif RegionFile region = new RegionFile(); using (BinaryReader reader = new BinaryReader(stream)) { int[] sectors = new int[1024]; int[] tstamps = new int[1024]; for (int i = 0; i < 1024; i++) { sectors[i] = reader.ReadInt32(); } for (int i = 0; i < 1024; i++) { tstamps[i] = reader.ReadInt32(); } Thread offsetThread = new Thread(new ThreadStart(() => { int sector = 0; lock (sectors) for (int i = 0; i < 1024; i++) { sector = EndiannessConverter.ToInt32(sectors[i]); region.offsets[i] = new McrOffset() { SectorSize = (byte)(sector & 0xFF), SectorOffset = sector >> 8, }; } sectors = null; })); offsetThread.Name = "offset calculator thread"; offsetThread.Start(); offsetThread.Join(); Thread tstampThread = new Thread(() => { int tstamp = 0; lock (tstamps) for (int i = 0; i < 1024; i++) { tstamp = EndiannessConverter.ToInt32(tstamps[i]); region.tstamps[i] = new McrtStamp { Timestamp = tstamp, }; } tstamps = null; }) { Name = "timestamp calculator thread" }; tstampThread.Start(); tstampThread.Join(); #if DEBUG wStart = DateTime.Now; #endif byte[][] chunkBuffer = new byte[1024][]; { int length; McrOffset offset; for (int i = 0; i < 1024; i++) { offset = region.offsets[i]; if (offset.SectorOffset != 0) { stream.Seek(offset.SectorOffset * 4096, SeekOrigin.Begin); length = EndiannessConverter.ToInt32(reader.ReadInt32()); reader.ReadByte(); chunkBuffer[i] = reader.ReadBytes(length - 1); } } } int chunkSlice = 1024 / MaxTHREADS; Thread[] workerThreads = new Thread[MaxTHREADS]; { for (int i = 0; i < MaxTHREADS; i++) { byte[][] chunkWorkerBuffer = new byte[chunkSlice][]; Array.Copy(chunkBuffer, i * chunkSlice, chunkWorkerBuffer, 0, chunkSlice); int index = i; workerThreads[i] = new Thread(new ThreadStart(() => { #if DEBUG DateTime start = DateTime.Now; #endif int offset = index * (1024 / MaxTHREADS); MemoryStream mmStream = null; for (int n = 0; n < chunkWorkerBuffer.Length; n++) { byte[] chunk = chunkWorkerBuffer[n]; if (chunk == null) { continue; } mmStream = new MemoryStream(chunk); region.chunks[n + offset] = NBTFile.OpenFile(mmStream, 2); mmStream.Dispose(); } chunkWorkerBuffer = null; #if DEBUG Console.WriteLine("Thread worker " + (index + 1) + " is complete! Took " + (int)(DateTime.Now - start).TotalMilliseconds + "ms to process."); })); workerThreads[i].Name = "chunk worker thread " + (index + 1); #else }));
/// <summary> /// Opens an existing NBT file from a stream. /// </summary> /// <param name="stream">The stream to get the NBT file from.</param> /// <param name="version">The compression version of the NBT, specify '1' for the original gzip compression, '2' for the mcregion zlib compression.</param> /// <returns>An opened NBT file.</returns> public static NBTFile OpenFile(Stream stream, int version) { NBTFile file = new NBTFile(); Stream compressStream; if (version == 1) { compressStream = new GZipStream(stream, CompressionMode.Decompress); } else { stream.ReadByte(); stream.ReadByte(); compressStream = new DeflateStream(stream, CompressionMode.Decompress); } BinaryReader reader = new BinaryReader(compressStream); { Encoding textEncoding = Encoding.UTF8; file.NamedNBT = reader.ReadByte() == 10; file.RootName = textEncoding.GetString(reader.ReadBytes(EndiannessConverter.ToInt16(reader.ReadInt16()))); if (file.NamedNBT) { byte type; while ((type = reader.ReadByte()) != 0) { string name = textEncoding.GetString(reader.ReadBytes(EndiannessConverter.ToInt16(reader.ReadInt16()))); file.InsertTag(new NBTTag(name, type, file.ReadPayload(ref reader, type))); } } else { byte type = reader.ReadByte(); int size = EndiannessConverter.ToInt32(reader.ReadInt32()); for (int i = 0; i < size; i++) { file.InsertTag(new NBTTag("", type, file.ReadPayload(ref reader, type))); } } } reader.Dispose(); compressStream.Dispose(); return file; }