private void zLIBZToolStripMenuItem_Click(object sender, EventArgs e)
{
OpenFileDialog dialog = new OpenFileDialog();
dialog.AddExtension = true;
dialog.CheckFileExists = true;
dialog.CheckPathExists = true;
dialog.Multiselect = false;
dialog.RestoreDirectory = true;
dialog.Title = LangManager.GetString("nbtViewer_selectNBTFormatFile");
DialogResult result = dialog.ShowDialog();
if (result == DialogResult.OK)
{
this.cacheData.NBTViewerCache.Rows.Clear();
try
{
CompoundTag tag = NBTIO.ReadZLIBFile(dialog.FileName, this.Endian);
this._Load(tag);
}
catch (Exception exc)
{
MessageBox.Show(exc.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
public ChunkData Read(int x, int z)
{
const int width = 32;
const int depth = 32;
using (FileStream regionFile = File.OpenRead(RegionPath))
{
byte[] buffer = new byte[8192];
regionFile.Read(buffer, 0, 8192);
int xi = (x % width);
if (xi < 0)
{
xi += 32;
}
int zi = (z % depth);
if (zi < 0)
{
zi += 32;
}
int tableOffset = (xi + zi * width) * 4;
regionFile.Seek(tableOffset, SeekOrigin.Begin);
byte[] offsetBuffer = new byte[4];
regionFile.Read(offsetBuffer, 0, 3);
Array.Reverse(offsetBuffer);
int offset = BitConverter.ToInt32(offsetBuffer, 0) << 4;
byte[] bytes = BitConverter.GetBytes(offset >> 4);
Array.Reverse(bytes);
if (offset != 0 && offsetBuffer[0] != bytes[0] && offsetBuffer[1] != bytes[1] &&
offsetBuffer[2] != bytes[2])
{
throw new FormatException();
}
int length = regionFile.ReadByte();
if (offset == 0 || length == 0)
{
return(null);
}
regionFile.Seek(offset, SeekOrigin.Begin);
byte[] waste = new byte[4];
regionFile.Read(waste, 0, 4);
int compressionMode = regionFile.ReadByte();
if (compressionMode != 0x02)
{
throw new FormatException();
}
CompoundTag tag = NBTIO.ReadZLIBFile(new BinaryReader(regionFile).ReadBytes((int)(regionFile.Length - regionFile.Position)), NBTEndian.BIG_ENDIAN);
return(new ChunkData(RegionPosition, new Tuple <int, int>(x, z), tag));
}
}
public Chunk GetChunk(int chunkX, int chunkZ)
{
int regionX = chunkX >> 5;
int regionZ = chunkZ >> 5;
string key = $"{regionX}:{regionZ}";
lock (this.Files)
{
RegionFile file = null;
if (!this.Files.ContainsKey(key))
{
file = new RegionFile(this.WorldName, regionX, regionZ);
this.Files.Add(key, file);
Chunk chunk = new Chunk(chunkX, chunkZ);
return(chunk);
}
else
{
file = this.Files[key];
if (file.IsFileCreated)
{
byte[] data = file.GetChunkBytes(chunkX, chunkZ);
if (data == null)
{
Chunk chunk = new Chunk(chunkX, chunkZ);
return(chunk);
}
return(this.ChunkFormat.NBTDeserialize(NBTIO.ReadZLIBFile(data, NBT.Data.NBTEndian.BIG_ENDIAN)));
}
else
{
Chunk chunk = new Chunk(chunkX, chunkZ);
return(chunk);
}
}
}
}
public Chunk GetChunk(int chunkX, int chunkZ)
{
int width = 32;
int depth = 32;
int rx = chunkX >> 5;
int rz = chunkZ >> 5;
Tuple <int, int> regionPos = new Tuple <int, int>(rx, rz);
Tuple <int, int> chunkPos = new Tuple <int, int>(chunkX, chunkZ);
if (this._chunks.ContainsKey(chunkPos))
{
return(this._chunks[chunkPos]);
}
string filePath = Path.Combine(this.WorldPath, $@"region/r.{rx}.{rz}.mca");
if (!File.Exists(filePath))
{
return(new Chunk(this.World, chunkX, chunkZ));
}
if (!_files.ContainsKey(regionPos))
{
this._files[regionPos] = File.OpenRead(filePath);
}
FileStream regionFile = this._files[regionPos];
byte[] buffer = new byte[8192];
regionFile.Read(buffer, 0, 8192);
int xi = (chunkX % width);
if (xi < 0)
{
xi += 32;
}
int zi = (chunkZ % depth);
if (zi < 0)
{
zi += 32;
}
int tableOffset = (xi + zi * width) * 4;
regionFile.Seek(tableOffset, SeekOrigin.Begin);
byte[] offsetBuffer = new byte[4];
regionFile.Read(offsetBuffer, 0, 3);
Array.Reverse(offsetBuffer);
int offset = BitConverter.ToInt32(offsetBuffer, 0) << 4;
byte[] bytes = BitConverter.GetBytes(offset >> 4);
Array.Reverse(bytes);
if (offset != 0 && offsetBuffer[0] != bytes[0] && offsetBuffer[1] != bytes[1] &&
offsetBuffer[2] != bytes[2])
{
throw new FormatException();
}
int length = regionFile.ReadByte();
if (offset == 0 || length == 0)
{
return(new Chunk(this.World, chunkX, chunkZ));
}
regionFile.Seek(offset, SeekOrigin.Begin);
byte[] waste = new byte[4];
regionFile.Read(waste, 0, 4);
int compressionMode = regionFile.ReadByte();
if (compressionMode != 0x02)
{
throw new FormatException();
}
CompoundTag tag = NBTIO.ReadZLIBFile(new BinaryReader(regionFile).ReadBytes((int)(regionFile.Length - regionFile.Position)));
return(this.ChunkFormat.NBTDeserialize(tag));
}