public override void HandleMcpeBlockEntityData(McpeBlockEntityData message)
{
BlockCoordinates coordinates = message.coordinates;
Nbt nbt = message.namedtag;
ChunkColumn chunk = _worldProvider.GenerateChunkColumn((ChunkCoordinates)coordinates, true);
if (chunk == null)
{
//Log.Warn($"Got block entity for non existing chunk at {coordinates}\n{nbt.NbtFile.RootTag}");
_futureBlockEntities.TryAdd(coordinates, (NbtCompound)nbt.NbtFile.RootTag);
}
else
{
//Log.Warn($"Got block entity for existing chunk at {coordinates}\n{nbt.NbtFile.RootTag}");
chunk.SetBlockEntity(coordinates, (NbtCompound)nbt.NbtFile.RootTag);
}
}
public ChunkColumn GetChunk(ChunkCoordinates coordinates, bool cacheOnly = false)
{
if (coordinates == _coord)
{
return(_chunk);
}
if (_coord != ChunkCoordinates.None)
{
if (coordinates != _coord)
{
if (coordinates != _coord + ChunkCoordinates.Backward)
{
if (coordinates != _coord + ChunkCoordinates.Forward)
{
if (coordinates != _coord + ChunkCoordinates.Left)
{
if (coordinates != _coord + ChunkCoordinates.Right)
{
if (coordinates != _coord + ChunkCoordinates.Backward + ChunkCoordinates.Left)
{
if (coordinates != _coord + ChunkCoordinates.Backward + ChunkCoordinates.Right)
{
if (coordinates != _coord + ChunkCoordinates.Forward + ChunkCoordinates.Left)
{
if (coordinates != _coord + ChunkCoordinates.Forward + ChunkCoordinates.Right)
{
return(null);
}
}
}
}
}
}
}
}
}
}
return(_worldProvider.GenerateChunkColumn(coordinates, true));
}
public McpeBatch GenerateChunk(ChunkCoordinates chunkPosition)
{
if (_worldProvider == null)
{
return(null);
}
ChunkColumn chunkColumn = _worldProvider.GenerateChunkColumn(chunkPosition);
if (chunkColumn == null)
{
return(null);
}
McpeBatch chunk = chunkColumn.GetBatch();
if (chunk == null)
{
return(null);
}
return(chunk);
}
public void Initialize()
{
//IsWorldTimeStarted = false;
_worldProvider.Initialize();
SpawnPoint = SpawnPoint ?? new PlayerLocation(_worldProvider.GetSpawnPoint());
CurrentWorldTime = _worldProvider.GetTime();
if (_worldProvider.IsCaching)
{
Stopwatch chunkLoading = new Stopwatch();
chunkLoading.Start();
// Pre-cache chunks for spawn coordinates
int i = 0;
foreach (var chunk in GenerateChunks(new ChunkCoordinates(SpawnPoint), new Dictionary <Tuple <int, int>, McpeBatch>(), ViewDistance))
{
if (chunk != null)
{
i++;
}
}
Log.InfoFormat("World pre-cache {0} chunks completed in {1}ms", i, chunkLoading.ElapsedMilliseconds);
}
if (Config.GetProperty("CheckForSafeSpawn", false))
{
var chunk = _worldProvider.GenerateChunkColumn(new ChunkCoordinates(SpawnPoint));
chunk.RecalcHeight();
var height = GetHeight((BlockCoordinates)SpawnPoint);
if (height > SpawnPoint.Y)
{
SpawnPoint.Y = height + 2;
}
Log.Debug("Checking for safe spawn");
}
StartTimeInTicks = DateTime.UtcNow.Ticks;
_tickTimer = new Stopwatch();
_tickTimer.Restart();
//_levelTicker = new Timer(WorldTick, null, 50, _worldTickTime); // MC worlds tick-time
//_tickerThread = new Thread(RunWorldTick);
//_tickerThread.Priority = ThreadPriority.Highest;
//_tickerThread.IsBackground = true;
//_tickerThread.Start();
//_tickerThreadTimer.Start();
_tickerHighPrecisionTimer = new HighPrecisionTimer(50, WorldTick);
//_mmTickTimer = new MultiMediaTimer();
//_mmTickTimer.Mode = TimerMode.Periodic;
//_mmTickTimer.Period = 50;
//_mmTickTimer.Resolution = 1;
//_mmTickTimer.SynchronizingObject = null;
//_mmTickTimer.Tick += WorldTick;
//_mmTickTimer.Start();
}
public 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))
{
var chunkColumn = generator?.GenerateChunkColumn(coordinates);
if (chunkColumn != null)
{
chunkColumn.NeedSave = true;
}
return(chunkColumn);
//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;
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 Exception($"Not the same buffer\n{Package.HexDump(offsetBuffer)}\n{Package.HexDump(bytes)}");
}
int length = regionFile.ReadByte();
if (offset == 0 || length == 0)
{
var chunkColumn = generator?.GenerateChunkColumn(coordinates);
if (chunkColumn != null)
{
chunkColumn.NeedSave = true;
}
return(chunkColumn);
//return new ChunkColumn
//{
// x = coordinates.X,
// z = coordinates.Z,
//};
}
regionFile.Seek(offset, SeekOrigin.Begin);
byte[] waste = new byte[4];
regionFile.Read(waste, 0, 4);
int compressionMode = regionFile.ReadByte();
if (compressionMode != 0x02)
{
throw new Exception($"CX={coordinates.X}, CZ={coordinates.Z}, NBT wrong compression. Expected 0x02, got 0x{compressionMode :X2}. " +
$"Offset={offset}, length={length}\n{Package.HexDump(waste)}");
}
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,
isAllAir = true
};
if (chunk.biomeId.Length > 256)
{
throw new Exception();
}
// This will turn into a full chunk column
foreach (NbtTag sectionTag in sections)
{
ReadSection(yoffset, sectionTag, chunk);
}
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"];
if (items != null)
{
//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);
}
}
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 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
};
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.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");
}
chunk.SetBlockEntity(new BlockCoordinates(x, y, z), blockEntityTag);
}
}
}
//NbtList tileTicks = dataTag["TileTicks"] as NbtList;
chunk.isDirty = false;
return(chunk);
}
}
public IEnumerable <McpeBatch> GenerateChunks(ChunkCoordinates chunkPosition, Dictionary <Tuple <int, int>, McpeBatch> chunksUsed)
{
lock (chunksUsed)
{
Dictionary <Tuple <int, int>, double> newOrders = new Dictionary <Tuple <int, int>, double>();
// ViewDistance is actually ViewArea
// A = pi r^2
// sqrt(A/pi) = r
double radiusSquared = ViewDistance / Math.PI;
double radius = Math.Ceiling(Math.Sqrt(radiusSquared));
int centerX = chunkPosition.X;
int centerZ = chunkPosition.Z;
for (double x = -radius; x <= radius; ++x)
{
for (double z = -radius; z <= radius; ++z)
{
var distance = (x * x) + (z * z);
if (distance > radiusSquared)
{
continue;
}
int chunkX = (int)(x + centerX);
int chunkZ = (int)(z + centerZ);
Tuple <int, int> index = new Tuple <int, int>(chunkX, chunkZ);
newOrders[index] = distance;
}
}
if (newOrders.Count > ViewDistance)
{
foreach (var pair in newOrders.OrderByDescending(pair => pair.Value))
{
if (newOrders.Count <= ViewDistance)
{
break;
}
newOrders.Remove(pair.Key);
}
}
foreach (var chunkKey in chunksUsed.Keys.ToArray())
{
if (!newOrders.ContainsKey(chunkKey))
{
chunksUsed.Remove(chunkKey);
}
}
foreach (var pair in newOrders.OrderBy(pair => pair.Value))
{
if (chunksUsed.ContainsKey(pair.Key))
{
continue;
}
if (_worldProvider == null)
{
continue;
}
ChunkColumn chunkColumn = _worldProvider.GenerateChunkColumn(new ChunkCoordinates(pair.Key.Item1, pair.Key.Item2));
if (chunkColumn == null)
{
continue;
}
McpeBatch chunk = chunkColumn.GetBatch();
if (chunk == null)
{
continue;
}
chunksUsed.Add(pair.Key, chunk);
yield return(chunk);
}
if (chunksUsed.Count > ViewDistance)
{
Debug.WriteLine("Too many chunks used: {0}", chunksUsed.Count);
}
}
}
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;
}
}