public ChunkColumn GetChunk(int X, int Z)
{
var width = 32;
var depth = 32;
var rx = X >> 5;
var rz = Z >> 5;
var filePath = Path.Combine(_basePath, string.Format(@"region\r.{0}.{1}.mca", rx, rz));
if (!File.Exists(filePath))
{
return(_backEndGenerator.GenerateChunkColumn(new Vector2(X, Z)));
}
using (var regionFile = File.OpenRead(filePath))
{
var buffer = new byte[8192];
regionFile.Read(buffer, 0, 8192);
var xi = (X % width);
if (xi < 0)
{
xi += 32;
}
var zi = (Z % depth);
if (zi < 0)
{
zi += 32;
}
var tableOffset = (xi + zi * width) * 4;
regionFile.Seek(tableOffset, SeekOrigin.Begin);
var offsetBuffer = new byte[4];
regionFile.Read(offsetBuffer, 0, 3);
Array.Reverse(offsetBuffer);
var offset = BitConverter.ToInt32(offsetBuffer, 0) << 4;
var length = regionFile.ReadByte();
//if (offset == 0 || length == 0) return _backEndGenerator.GenerateChunkColumn(new Vector2(X, Z));
if (offset == 0 || length == 0)
{
return(_backEndGenerator.GenerateChunkColumn(new Vector2(X, Z)));
}
regionFile.Seek(offset, SeekOrigin.Begin);
var waste = new byte[4];
regionFile.Read(waste, 0, 4);
var compressionMode = regionFile.ReadByte();
var nbt = new NbtFile();
nbt.LoadFromStream(regionFile, NbtCompression.ZLib);
var dataTag = nbt.RootTag["Level"];
var sections = dataTag["Sections"] as NbtList;
var chunk = new ChunkColumn
{
X = X,
Z = Z,
BiomeId = dataTag["Biomes"].ByteArrayValue
};
for (var i = 0; i < chunk.BiomeId.Length; i++)
{
if (chunk.BiomeId[i] > 22)
{
chunk.BiomeId[i] = 0;
}
}
if (chunk.BiomeId.Length > 256)
{
throw new Exception();
}
// This will turn into a full chunk column
foreach (var sectionTag in sections)
{
var sy = sectionTag["Y"].ByteValue * 16;
var blocks = sectionTag["Blocks"].ByteArrayValue;
var data = sectionTag["Data"].ByteArrayValue;
var addTag = sectionTag["Add"];
var adddata = new byte[2048];
if (addTag != null)
{
adddata = addTag.ByteArrayValue;
}
var blockLight = sectionTag["BlockLight"].ByteArrayValue;
var skyLight = sectionTag["SkyLight"].ByteArrayValue;
for (var x = 0; x < 16; x++)
{
for (var z = 0; z < 16; z++)
{
for (var y = 0; y < 16; y++)
{
var yi = sy + y - _waterOffsetY;
if (yi < 0 || yi >= 256)
{
continue;
}
var anvilIndex = y * 16 * 16 + z * 16 + x;
var blockId = blocks[anvilIndex] + (Nibble4(adddata, anvilIndex) << 8);
var b = BlockFactory.GetBlockById((ushort)blockId);
b.Metadata = Nibble4(data, anvilIndex);
chunk.SetBlock(x, yi, z, b);
chunk.SetBlocklight(x, yi, z, Nibble4(blockLight, anvilIndex));
chunk.SetSkylight(x, yi, z, Nibble4(skyLight, anvilIndex));
}
}
}
}
var entities = dataTag["Entities"] as NbtList;
var tileEntities = dataTag["TileEntities"] as NbtList;
if (tileEntities != null)
{
foreach (var nbtTag in tileEntities)
{
var blockEntityTag = (NbtCompound)nbtTag;
string entityId = blockEntityTag["id"].StringValue;
int x = blockEntityTag["x"].IntValue;
int y = blockEntityTag["y"].IntValue - _waterOffsetY;
int z = blockEntityTag["z"].IntValue;
blockEntityTag["y"] = new NbtInt("y", y);
TileEntity blockEntity = TileEntityFactory.GetBlockEntityById(entityId);
if (blockEntity != null)
{
blockEntityTag.Name = string.Empty;
chunk.SetBlockEntity(new Vector3(x, y, z), blockEntityTag);
}
}
}
var tileTicks = dataTag["TileTicks"] as NbtList;
chunk.IsDirty = false;
return(chunk);
}
}
public ChunkColumn GetChunk(int X, int Z)
{
var width = 32;
var depth = 32;
var rx = X >> 5;
var rz = Z >> 5;
var filePath = Path.Combine(_basePath, string.Format(@"region\r.{0}.{1}.mca", rx, rz));
if (!File.Exists(filePath)) return _backEndGenerator.GenerateChunkColumn(new Vector2(X, Z));
using (var regionFile = File.OpenRead(filePath))
{
var buffer = new byte[8192];
regionFile.Read(buffer, 0, 8192);
var xi = (X%width);
if (xi < 0) xi += 32;
var zi = (Z%depth);
if (zi < 0) zi += 32;
var tableOffset = (xi + zi*width)*4;
regionFile.Seek(tableOffset, SeekOrigin.Begin);
var offsetBuffer = new byte[4];
regionFile.Read(offsetBuffer, 0, 3);
Array.Reverse(offsetBuffer);
var offset = BitConverter.ToInt32(offsetBuffer, 0) << 4;
var length = regionFile.ReadByte();
//if (offset == 0 || length == 0) return _backEndGenerator.GenerateChunkColumn(new Vector2(X, Z));
if (offset == 0 || length == 0)
{
return _backEndGenerator.GenerateChunkColumn(new Vector2(X,Z));
}
regionFile.Seek(offset, SeekOrigin.Begin);
var waste = new byte[4];
regionFile.Read(waste, 0, 4);
var compressionMode = regionFile.ReadByte();
var nbt = new NbtFile();
nbt.LoadFromStream(regionFile, NbtCompression.ZLib);
var dataTag = nbt.RootTag["Level"];
var sections = dataTag["Sections"] as NbtList;
var chunk = new ChunkColumn
{
X = X,
Z = Z,
BiomeId = dataTag["Biomes"].ByteArrayValue
};
for (var i = 0; i < chunk.BiomeId.Length; i++)
{
if (chunk.BiomeId[i] > 22) chunk.BiomeId[i] = 0;
}
if (chunk.BiomeId.Length > 256) throw new Exception();
// This will turn into a full chunk column
foreach (var sectionTag in sections)
{
var sy = sectionTag["Y"].ByteValue*16;
var blocks = sectionTag["Blocks"].ByteArrayValue;
var data = sectionTag["Data"].ByteArrayValue;
var addTag = sectionTag["Add"];
var adddata = new byte[2048];
if (addTag != null) adddata = addTag.ByteArrayValue;
var blockLight = sectionTag["BlockLight"].ByteArrayValue;
var skyLight = sectionTag["SkyLight"].ByteArrayValue;
for (var x = 0; x < 16; x++)
{
for (var z = 0; z < 16; z++)
{
for (var y = 0; y < 16; y++)
{
var yi = sy + y - _waterOffsetY;
if (yi < 0 || yi >= 256) continue;
var anvilIndex = y*16*16 + z*16 + x;
var blockId = blocks[anvilIndex] + (Nibble4(adddata, anvilIndex) << 8);
var b = BlockFactory.GetBlockById((ushort) blockId);
b.Metadata = Nibble4(data, anvilIndex);
chunk.SetBlock(x, yi, z, b);
chunk.SetBlocklight(x, yi, z, Nibble4(blockLight, anvilIndex));
chunk.SetSkylight(x, yi, z, Nibble4(skyLight, anvilIndex));
}
}
}
}
var entities = dataTag["Entities"] as NbtList;
var tileEntities = dataTag["TileEntities"] as NbtList;
if (tileEntities != null)
{
foreach (var nbtTag in tileEntities)
{
var blockEntityTag = (NbtCompound)nbtTag;
string entityId = blockEntityTag["id"].StringValue;
int x = blockEntityTag["x"].IntValue;
int y = blockEntityTag["y"].IntValue - _waterOffsetY;
int z = blockEntityTag["z"].IntValue;
blockEntityTag["y"] = new NbtInt("y", y);
TileEntity blockEntity = TileEntityFactory.GetBlockEntityById(entityId);
if (blockEntity != null)
{
blockEntityTag.Name = string.Empty;
chunk.SetBlockEntity(new Vector3(x, y, z), blockEntityTag);
}
}
}
var tileTicks = dataTag["TileTicks"] as NbtList;
chunk.IsDirty = false;
return chunk;
}
}
public static ChunkColumn GetChunk(ChunkCoordinates coordinates, string basePath, IWorldProvider generator, int yoffset)
{
int width = 32;
int depth = 32;
int rx = coordinates.X >> 5;
int rz = coordinates.Z >> 5;
string filePath = Path.Combine(basePath, string.Format(@"region\r.{0}.{1}.mca", rx, rz));
if (!File.Exists(filePath)) return generator.GenerateChunkColumn(coordinates);
using (var regionFile = File.OpenRead(filePath))
{
byte[] buffer = new byte[8192];
regionFile.Read(buffer, 0, 8192);
int xi = (coordinates.X%width);
if (xi < 0) xi += 32;
int zi = (coordinates.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;
int length = regionFile.ReadByte();
if (offset == 0 || length == 0)
{
return generator.GenerateChunkColumn(coordinates);
}
regionFile.Seek(offset, SeekOrigin.Begin);
byte[] waste = new byte[4];
regionFile.Read(waste, 0, 4);
int compressionMode = regionFile.ReadByte();
var nbt = new NbtFile();
nbt.LoadFromStream(regionFile, NbtCompression.ZLib);
NbtTag dataTag = nbt.RootTag["Level"];
NbtList sections = dataTag["Sections"] as NbtList;
ChunkColumn chunk = new ChunkColumn
{
x = coordinates.X,
z = coordinates.Z,
biomeId = dataTag["Biomes"].ByteArrayValue
};
for (int i = 0; i < chunk.biomeId.Length; i++)
{
if (chunk.biomeId[i] > 22) chunk.biomeId[i] = 0;
}
if (chunk.biomeId.Length > 256) throw new Exception();
// This will turn into a full chunk column
foreach (NbtTag sectionTag in sections)
{
int sy = sectionTag["Y"].ByteValue*16;
byte[] blocks = sectionTag["Blocks"].ByteArrayValue;
byte[] data = sectionTag["Data"].ByteArrayValue;
NbtTag addTag = sectionTag["Add"];
byte[] adddata = new byte[2048];
if (addTag != null) adddata = addTag.ByteArrayValue;
byte[] blockLight = sectionTag["BlockLight"].ByteArrayValue;
byte[] skyLight = sectionTag["SkyLight"].ByteArrayValue;
for (int x = 0; x < 16; x++)
{
for (int z = 0; z < 16; z++)
{
for (int y = 0; y < 16; y++)
{
int yi = sy + y - yoffset;
if (yi < 0 || yi >= 128) continue;
int anvilIndex = y*16*16 + z*16 + x;
int blockId = blocks[anvilIndex] + (Nibble4(adddata, anvilIndex) << 8);
// Anvil to PE friendly converstion
if (blockId == 125) blockId = 5;
else if (blockId == 126) blockId = 158;
else if (blockId == 75) blockId = 50;
else if (blockId == 76) blockId = 50;
else if (blockId == 123) blockId = 89;
else if (blockId == 124) blockId = 89;
else if (blockId == 152) blockId = 73;
else if (_ignore.BinarySearch(blockId) >= 0) blockId = 0;
else if (_gaps.BinarySearch(blockId) >= 0)
{
Debug.WriteLine("Missing material: " + blockId);
blockId = 133;
}
if (blockId > 255) blockId = 41;
if (yi == 127 && blockId != 0) blockId = 30;
if (yi == 0 && (blockId == 8 || blockId == 9 /*|| blockId == 0*/)) blockId = 7;
//if (blockId != 0) blockId = 41;
chunk.SetBlock(x, yi, z, (byte) blockId);
chunk.SetMetadata(x, yi, z, Nibble4(data, anvilIndex));
chunk.SetBlocklight(x, yi, z, Nibble4(blockLight, anvilIndex));
chunk.SetSkylight(x, yi, z, Nibble4(skyLight, anvilIndex));
}
}
}
}
NbtList entities = dataTag["Entities"] as NbtList;
NbtList blockEntities = dataTag["TileEntities"] as NbtList;
if (blockEntities != null)
{
foreach (var nbtTag in blockEntities)
{
var blockEntityTag = (NbtCompound) nbtTag;
string entityId = blockEntityTag["id"].StringValue;
int x = blockEntityTag["x"].IntValue;
int y = blockEntityTag["y"].IntValue - yoffset;
int z = blockEntityTag["z"].IntValue;
blockEntityTag["y"] = new NbtInt("y", y);
BlockEntity blockEntity = BlockEntityFactory.GetBlockEntityById(entityId);
if (blockEntity != null)
{
blockEntityTag.Name = string.Empty;
chunk.SetBlockEntity(new BlockCoordinates(x, y, z), blockEntityTag);
}
}
}
NbtList tileTicks = dataTag["TileTicks"] as NbtList;
chunk.isDirty = false;
return chunk;
}
}
public void SetBlockLight(Block block)
{
ChunkColumn chunk = GetChunk(block.Coordinates);
chunk.SetBlocklight(block.Coordinates.X & 0x0f, block.Coordinates.Y & 0xff, block.Coordinates.Z & 0x0f, block.BlockLight);
}
