public Block GetBlock(BlockCoordinates blockCoordinates)
{
ChunkColumn chunk = _worldProvider.GenerateChunkColumn(new ChunkCoordinates(blockCoordinates.X >> 4, blockCoordinates.Z >> 4));
if (chunk == null)
{
return new Air()
{
Coordinates = blockCoordinates, SkyLight = 15
}
}
;
byte bid = chunk.GetBlock(blockCoordinates.X & 0x0f, blockCoordinates.Y & 0xff, blockCoordinates.Z & 0x0f);
byte metadata = chunk.GetMetadata(blockCoordinates.X & 0x0f, blockCoordinates.Y & 0xff, blockCoordinates.Z & 0x0f);
byte blockLight = chunk.GetBlocklight(blockCoordinates.X & 0x0f, blockCoordinates.Y & 0xff, blockCoordinates.Z & 0x0f);
byte skyLight = chunk.GetSkylight(blockCoordinates.X & 0x0f, blockCoordinates.Y & 0xff, blockCoordinates.Z & 0x0f);
Block block = BlockFactory.GetBlockById(bid);
block.Coordinates = blockCoordinates;
block.Metadata = metadata;
block.BlockLight = blockLight;
block.SkyLight = skyLight;
return(block);
}
public Block GetBlock(BlockCoordinates blockCoordinates)
{
ChunkColumn chunk = _worldProvider.GenerateChunkColumn(new ChunkCoordinates(blockCoordinates.X >> 4, blockCoordinates.Z >> 4));
byte bid = chunk.GetBlock(blockCoordinates.X & 0x0f, blockCoordinates.Y & 0x7f, blockCoordinates.Z & 0x0f);
byte metadata = chunk.GetMetadata(blockCoordinates.X & 0x0f, blockCoordinates.Y & 0x7f, blockCoordinates.Z & 0x0f);
Block block = BlockFactory.GetBlockById(bid);
block.Coordinates = blockCoordinates;
block.Metadata = metadata;
return(block);
}
public static NbtFile CreateNbtFromChunkColumn(ChunkColumn chunk, int yoffset)
{
var nbt = new NbtFile();
NbtCompound levelTag = new NbtCompound("Level");
nbt.RootTag.Add(levelTag);
levelTag.Add(new NbtInt("xPos", chunk.x));
levelTag.Add(new NbtInt("zPos", chunk.z));
levelTag.Add(new NbtByteArray("Biomes", chunk.biomeId));
NbtList sectionsTag = new NbtList("Sections");
levelTag.Add(sectionsTag);
for (int i = 0; i < 8; i++)
{
NbtCompound sectionTag = new NbtCompound();
sectionsTag.Add(sectionTag);
sectionTag.Add(new NbtByte("Y", (byte)i));
int sy = i * 16;
byte[] blocks = new byte[4096];
byte[] data = new byte[2048];
byte[] blockLight = new byte[2048];
byte[] skyLight = new byte[2048];
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;
if (yi < 0 || yi >= 256)
{
continue; // ?
}
int anvilIndex = (y + yoffset) * 16 * 16 + z * 16 + x;
byte blockId = chunk.GetBlock(x, yi, z);
// PE to Anvil friendly converstion
if (blockId == 5)
{
blockId = 125;
}
else if (blockId == 158)
{
blockId = 126;
}
else if (blockId == 50)
{
blockId = 75;
}
else if (blockId == 50)
{
blockId = 76;
}
else if (blockId == 89)
{
blockId = 123;
}
else if (blockId == 89)
{
blockId = 124;
}
else if (blockId == 73)
{
blockId = 152;
}
blocks[anvilIndex] = blockId;
SetNibble4(data, anvilIndex, chunk.GetMetadata(x, yi, z));
SetNibble4(blockLight, anvilIndex, chunk.GetBlocklight(x, yi, z));
SetNibble4(skyLight, anvilIndex, chunk.GetSkylight(x, yi, z));
}
}
}
sectionTag.Add(new NbtByteArray("Blocks", blocks));
sectionTag.Add(new NbtByteArray("Data", data));
sectionTag.Add(new NbtByteArray("BlockLight", blockLight));
sectionTag.Add(new NbtByteArray("SkyLight", skyLight));
}
// TODO: Save entities
NbtList entitiesTag = new NbtList("Entities", NbtTagType.Compound);
levelTag.Add(entitiesTag);
NbtList blockEntitiesTag = new NbtList("TileEntities", NbtTagType.Compound);
levelTag.Add(blockEntitiesTag);
foreach (NbtCompound blockEntityNbt in chunk.BlockEntities.Values)
{
NbtCompound nbtClone = (NbtCompound)blockEntityNbt.Clone();
nbtClone.Name = null;
blockEntitiesTag.Add(nbtClone);
}
levelTag.Add(new NbtList("TileTicks", NbtTagType.Compound));
return(nbt);
}
private void ReadSection(int yoffset, NbtTag sectionTag, ChunkColumn chunk)
{
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 >= 256)
{
continue;
}
int anvilIndex = y * 16 * 16 + z * 16 + x;
int blockId = blocks[anvilIndex] + (Nibble4(adddata, anvilIndex) << 8);
// Anvil to PE friendly converstion
Func <int, byte, byte> dataConverter = (i, b) => b; // Default no-op converter
if (Convert.ContainsKey(blockId))
{
dataConverter = Convert[blockId].Item2;
blockId = Convert[blockId].Item1;
}
else
{
if (BlockFactory.GetBlockById((byte)blockId).GetType() == typeof(Block))
{
Log.Warn($"No block implemented for block ID={blockId}, Meta={data}");
//blockId = 57;
}
}
chunk.isAllAir = chunk.isAllAir && blockId == 0;
if (blockId > 255)
{
Log.Warn($"Failed mapping for block ID={blockId}, Meta={data}");
blockId = 41;
}
//if (yi == 127 && blockId != 0) blockId = 30;
if (yi == 0 && (blockId == 8 || blockId == 9))
{
blockId = 7;
}
chunk.SetBlock(x, yi, z, (byte)blockId);
byte metadata = Nibble4(data, anvilIndex);
metadata = dataConverter(blockId, metadata);
chunk.SetMetadata(x, yi, z, metadata);
chunk.SetBlocklight(x, yi, z, Nibble4(blockLight, anvilIndex));
chunk.SetSkyLight(x, yi, z, Nibble4(skyLight, anvilIndex));
//if (block is BlockStairs || block is StoneSlab || block is WoodSlab)
//{
// chunk.SetSkylight(x, yi, z, 0xff);
//}
if (blockId == 43 && chunk.GetMetadata(x, yi, z) == 7)
{
chunk.SetMetadata(x, yi, z, 6);
}
else if (blockId == 44 && chunk.GetMetadata(x, yi, z) == 7)
{
chunk.SetMetadata(x, yi, z, 6);
}
else if (blockId == 44 && chunk.GetMetadata(x, yi, z) == 15)
{
chunk.SetMetadata(x, yi, z, 14);
}
else if (blockId == 3 && chunk.GetMetadata(x, yi, z) == 1)
{
// Dirt Course => (Grass Path)
chunk.SetBlock(x, yi, z, 198);
chunk.SetMetadata(x, yi, z, 0);
}
else if (blockId == 3 && chunk.GetMetadata(x, yi, z) == 2)
{
// Dirt Podzol => (Podzol)
chunk.SetBlock(x, yi, z, 243);
chunk.SetMetadata(x, yi, z, 0);
}
var block = BlockFactory.GetBlockById(chunk.GetBlock(x, yi, z));
if (block.LightLevel > 0)
{
block.Coordinates = new BlockCoordinates(x + (16 * chunk.x), yi, z + (16 * chunk.z));
LightSources.Enqueue(block);
}
}
}
}
}
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{2}r.{0}.{1}.mca", rx, rz, Path.DirectorySeparatorChar));
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);
Func <int, byte, byte> dataConverter = (i, b) => b;
// Anvil to PE friendly converstion
if (Convert.ContainsKey(blockId))
{
dataConverter = Convert[blockId].Item2;
blockId = Convert[blockId].Item1;
}
else if (Ignore.BinarySearch(blockId) >= 0)
{
blockId = 0;
}
else if (Gaps.BinarySearch(blockId) >= 0)
{
Log.WarnFormat("Missing material on convert: {0}", blockId);
blockId = 133;
}
if (blockId > 255)
{
blockId = 41;
}
//if (yi == 127 && blockId != 0) blockId = 30;
if (yi == 0 && (blockId == 8 || blockId == 9))
{
blockId = 7;
}
chunk.SetBlock(x, yi, z, (byte)blockId);
byte metadata = Nibble4(data, anvilIndex);
metadata = dataConverter(blockId, metadata);
chunk.SetMetadata(x, yi, z, metadata);
chunk.SetBlocklight(x, yi, z, Nibble4(blockLight, anvilIndex));
chunk.SetSkylight(x, yi, z, Nibble4(skyLight, anvilIndex));
var block = BlockFactory.GetBlockById(chunk.GetBlock(x, yi, z));
if (block is BlockStairs || block is StoneSlab || block is WoodSlab)
{
chunk.SetSkylight(x, yi, z, 0xff);
}
if (blockId == 43 && chunk.GetMetadata(x, yi, z) == 7)
{
chunk.SetMetadata(x, yi, z, 6);
}
else if (blockId == 44 && chunk.GetMetadata(x, yi, z) == 7)
{
chunk.SetMetadata(x, yi, z, 6);
}
else if (blockId == 44 && chunk.GetMetadata(x, yi, z) == 15)
{
chunk.SetMetadata(x, yi, z, 14);
}
else if (blockId == 3 && chunk.GetMetadata(x, yi, z) == 1)
{
chunk.SetBlock(x, yi, z, 198);
chunk.SetMetadata(x, yi, z, 0);
}
else if (blockId == 3 && chunk.GetMetadata(x, yi, z) == 2)
{
chunk.SetBlock(x, yi, z, 143); //Coarse Dirt => Pat
chunk.SetMetadata(x, yi, z, 0); // Podzol => (Podzol)
}
}
}
}
}
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 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{2}r.{0}.{1}.mca", rx, rz, Path.DirectorySeparatorChar));
if (!File.Exists(filePath))
{
return(generator?.GenerateChunkColumn(coordinates));
//return new ChunkColumn
//{
// x = coordinates.X,
// z = coordinates.Z,
//};
}
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));
//return new ChunkColumn
//{
// x = coordinates.X,
// z = coordinates.Z,
//};
}
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
};
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
Func <int, byte, byte> dataConverter = (i, b) => b; // Default no-op converter
if (Convert.ContainsKey(blockId))
{
dataConverter = Convert[blockId].Item2;
blockId = Convert[blockId].Item1;
}
if (blockId > 255)
{
blockId = 41;
}
//if (yi == 127 && blockId != 0) blockId = 30;
if (yi == 0 && (blockId == 8 || blockId == 9))
{
blockId = 7;
}
chunk.SetBlock(x, yi, z, (byte)blockId);
byte metadata = Nibble4(data, anvilIndex);
metadata = dataConverter(blockId, metadata);
chunk.SetMetadata(x, yi, z, metadata);
chunk.SetBlocklight(x, yi, z, Nibble4(blockLight, anvilIndex));
chunk.SetSkylight(x, yi, z, Nibble4(skyLight, anvilIndex));
var block = BlockFactory.GetBlockById(chunk.GetBlock(x, yi, z));
if (block is BlockStairs || block is StoneSlab || block is WoodSlab)
{
chunk.SetSkylight(x, yi, z, 0xff);
}
if (blockId == 43 && chunk.GetMetadata(x, yi, z) == 7)
{
chunk.SetMetadata(x, yi, z, 6);
}
else if (blockId == 44 && chunk.GetMetadata(x, yi, z) == 7)
{
chunk.SetMetadata(x, yi, z, 6);
}
else if (blockId == 44 && chunk.GetMetadata(x, yi, z) == 15)
{
chunk.SetMetadata(x, yi, z, 14);
}
else if (blockId == 3 && chunk.GetMetadata(x, yi, z) == 1)
{
// Dirt Course => (Grass Path)
chunk.SetBlock(x, yi, z, 198);
chunk.SetMetadata(x, yi, z, 0);
}
else if (blockId == 3 && chunk.GetMetadata(x, yi, z) == 2)
{
// Dirt Podzol => (Podzol)
chunk.SetBlock(x, yi, z, 243);
chunk.SetMetadata(x, yi, z, 0);
}
}
}
}
}
NbtList entities = dataTag["Entities"] as NbtList;
NbtList blockEntities = dataTag["TileEntities"] as NbtList;
if (blockEntities != null)
{
foreach (var nbtTag in blockEntities)
{
var blockEntityTag = (NbtCompound)nbtTag.Clone();
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;
if (blockEntity is Sign)
{
// Remove the JSON stuff and get the text out of extra data.
// TAG_String("Text2"): "{"extra":["10c a loaf!"],"text":""}"
CleanSignText(blockEntityTag, "Text1");
CleanSignText(blockEntityTag, "Text2");
CleanSignText(blockEntityTag, "Text3");
CleanSignText(blockEntityTag, "Text4");
}
else if (blockEntity is ChestBlockEntity)
{
NbtList items = (NbtList)blockEntityTag["Items"];
for (byte i = 0; i < items.Count; i++)
{
NbtCompound item = (NbtCompound)items[i];
item.Add(new NbtShort("OriginalDamage", item["Damage"].ShortValue));
byte metadata = (byte)(item["Damage"].ShortValue & 0xff);
item.Remove("Damage");
item.Add(new NbtByte("Damage", metadata));
}
}
chunk.SetBlockEntity(new BlockCoordinates(x, y, z), blockEntityTag);
}
}
}
//NbtList tileTicks = dataTag["TileTicks"] as NbtList;
chunk.isDirty = false;
return(chunk);
}
}
