public RegionRenderer(McRegion region)
{
// TODO: Complete member initialization
Region = region;
}
public static McRegion LoadRegion(string regionPath)
{
McRegion region = new McRegion(regionPath);
using (BinaryReader file = new BinaryReader(File.Open(regionPath, FileMode.Open)))
{
byte[] chunkLocations = new byte[4096];
byte[] chunkTimestamps = new byte[4096];
file.Read(chunkLocations, 0, 4095);
file.Read(chunkTimestamps, 4096, 8191);
for (int headerPosition = 0; headerPosition < 4096; headerPosition += 4) // 32*32 chunks
{
//Get info about the chunk in the file
byte[] chunkOffsetInfo = new byte[4];
chunkOffsetInfo[0] = 0;
Array.Copy(chunkLocations, headerPosition, chunkOffsetInfo, 1, 3);
long chunkOffset = BitConverter.ToInt32(BitConverter.IsLittleEndian ? chunkOffsetInfo.Reverse().ToArray() : chunkOffsetInfo, 0) * 4096;
byte chunkSectors = chunkLocations[headerPosition + 3];
byte[] chunkTimestampInfo = new byte[4];
Array.Copy(chunkTimestamps, headerPosition, chunkTimestampInfo, 0, 4);
int chunkTimestamp = BitConverter.ToInt32(BitConverter.IsLittleEndian ? chunkTimestampInfo.Reverse().ToArray() : chunkTimestampInfo, 0);
if (chunkOffset < 2 || chunkSectors < 1) continue; //Non existing or invalid chunk
//Read the chunk info
file.BaseStream.Seek(chunkOffset, SeekOrigin.Begin);
byte[] chunkLengthInfo = new byte[4];
file.Read(chunkLengthInfo, 0, 4);
uint chunkLength = BitConverter.ToUInt32(BitConverter.IsLittleEndian ? chunkLengthInfo.Reverse().ToArray() : chunkLengthInfo, 0);
ChunkCompressionTypes chunkCompressionType = (ChunkCompressionTypes)file.ReadByte();
byte[] compressedChunkData = new byte[chunkLength - 1];
file.Read(compressedChunkData, 0, (int)chunkLength - 1);
MemoryStream uncompressedChunkData = new MemoryStream();
switch (chunkCompressionType)
{
case ChunkCompressionTypes.GZip:
new GZipStream(new MemoryStream(compressedChunkData), CompressionMode.Decompress).CopyTo(uncompressedChunkData);
break;
case ChunkCompressionTypes.ZLib:
new ZlibStream(new MemoryStream(compressedChunkData), CompressionMode.Decompress).CopyTo(uncompressedChunkData);
break;
default:
throw new Exception("Unrecognized compression type");
break;
}
region.Chunks.Add(new McChunk(uncompressedChunkData, chunkTimestamp));
}
file.Close();
}
return region;
}
public static McRegion LoadRegion(string regionPath)
{
McRegion region = new McRegion(regionPath);
using (BinaryReader file = new BinaryReader(File.Open(regionPath, FileMode.Open)))
{
byte[] chunkLocations = new byte[4096];
byte[] chunkTimestamps = new byte[4096];
file.Read(chunkLocations, 0, 4095);
file.Read(chunkTimestamps, 4096, 8191);
for (int headerPosition = 0; headerPosition < 4096; headerPosition += 4) // 32*32 chunks
{
//Get info about the chunk in the file
byte[] chunkOffsetInfo = new byte[4];
chunkOffsetInfo[0] = 0;
Array.Copy(chunkLocations, headerPosition, chunkOffsetInfo, 1, 3);
long chunkOffset = BitConverter.ToInt32(BitConverter.IsLittleEndian ? chunkOffsetInfo.Reverse().ToArray() : chunkOffsetInfo, 0) * 4096;
byte chunkSectors = chunkLocations[headerPosition + 3];
byte[] chunkTimestampInfo = new byte[4];
Array.Copy(chunkTimestamps, headerPosition, chunkTimestampInfo, 0, 4);
int chunkTimestamp = BitConverter.ToInt32(BitConverter.IsLittleEndian ? chunkTimestampInfo.Reverse().ToArray() : chunkTimestampInfo, 0);
if (chunkOffset < 2 || chunkSectors < 1)
{
continue; //Non existing or invalid chunk
}
//Read the chunk info
file.BaseStream.Seek(chunkOffset, SeekOrigin.Begin);
byte[] chunkLengthInfo = new byte[4];
file.Read(chunkLengthInfo, 0, 4);
uint chunkLength = BitConverter.ToUInt32(BitConverter.IsLittleEndian ? chunkLengthInfo.Reverse().ToArray() : chunkLengthInfo, 0);
ChunkCompressionTypes chunkCompressionType = (ChunkCompressionTypes)file.ReadByte();
byte[] compressedChunkData = new byte[chunkLength - 1];
file.Read(compressedChunkData, 0, (int)chunkLength - 1);
MemoryStream uncompressedChunkData = new MemoryStream();
switch (chunkCompressionType)
{
case ChunkCompressionTypes.GZip:
new GZipStream(new MemoryStream(compressedChunkData), CompressionMode.Decompress).CopyTo(uncompressedChunkData);
break;
case ChunkCompressionTypes.ZLib:
new ZlibStream(new MemoryStream(compressedChunkData), CompressionMode.Decompress).CopyTo(uncompressedChunkData);
break;
default:
throw new Exception("Unrecognized compression type");
break;
}
region.Chunks.Add(new McChunk(uncompressedChunkData, chunkTimestamp));
}
file.Close();
}
return(region);
}
public static World LoadWorld(string worldPath)
{
World world = new World(worldPath);
Parallel.ForEach(Directory.GetFiles(worldPath + "\\region", "*.mca"), regionFilePath => world.Regions.Add(McRegion.LoadRegion(regionFilePath)));
return(world);
}
