public ScChunk(ScChunkPosition argChunkPosition, byte[] argChunkInfo)
{
// new Thread(() =>
//{
LoadChunk(argChunkPosition, argChunkInfo);
//}).Start();
}
public void AddChunk(ScChunkPosition argChunkPosition, ScChunk chunk)
{
ChunkDictionary.Add(argChunkPosition, chunk);
//if (_minX == 0)
// _minX = chunk.ChunkX;
//if (_minZ == 0)
// _minZ = chunk.ChunkZ;
//_minX = Math.Min(chunk.ChunkX, _minX);
//_minZ = Math.Min(chunk.ChunkZ, _minZ);
//_maxX = Math.Max(chunk.ChunkX, _maxX);
//_maxZ = Math.Max(chunk.ChunkZ, _maxZ);
}
private void ImageMapChunk(ScChunkPosition argChunkPosition)
{
int backBufferStride = _worldImage.BackBufferStride;
int localRange = _maxX * _maxZ * backBufferStride;
byte[] worldBytes = new byte[localRange];
//foreach (var pair in ChunkDictionary)
//{
//offset = (argY * stride) + (argX * bpp) + colorByte
int localByteOffset = (argChunkPosition.ChunkZ * backBufferStride) + (argChunkPosition.ChunkX * _bpp) + 0; //We're just using RED right now.
worldBytes[localByteOffset] = 254;
worldBytes[localByteOffset + 1] = 254;
//}
_worldImage.WritePixels(new Int32Rect(0, 0, _maxX, _maxZ), worldBytes, backBufferStride, 0, 0);
}
private void LoadChunk(ScChunkPosition argChunkPosition, byte[] argChunkInfo)
{
//TODO: Thread this (now that the fileread is done).
Blocks = new ScBlock[SizeX * SizeY * SizeZ];
/**/
//Read the next two 32-byte pieces.
UInt32 magic1 = BitConverter.ToUInt32(argChunkInfo, 0);
UInt32 magic2 = BitConverter.ToUInt32(argChunkInfo, 4);
//Check that the Magic bytes are valid
if (magic1 != 0xDEADBEEF || magic2 != 0xFFFFFFFF)
{
throw new FormatException("Not a Chunks.dat file.");
}
//Read the next two 32-byte pieces as the chunk X and Z (there is no Y because the entire height is always described)
Int32 chunkX = BitConverter.ToInt32(argChunkInfo, 8);
//Int32 chunkZ = file.ReadInt32();
Int32 chunkZ = BitConverter.ToInt32(argChunkInfo, 12);
//Validate that the chunk being read is the same as the chunk at the offset.
if (chunkX != argChunkPosition.ChunkX || chunkZ != argChunkPosition.ChunkZ)
{
throw new InvalidDataException("Chunk header does not match chunk directory.");
}
ChunkX = chunkX;
ChunkZ = chunkZ;
/**/
int infoIndex = 16;
for (var blockYPosition = 0; blockYPosition < Blocks.Length; ++blockYPosition)
{
//Need to calc each block position.
//Start at ChunkX, 0, ChunkZ
//For every 128 ChunkY we increment ChunkZ
//For every 16 ChunkZ we reset ChunkZ and increment ChunkX
Blocks[blockYPosition] = new ScBlock(new Point3D(ChunkX, 0, ChunkZ), argChunkInfo[infoIndex++], argChunkInfo[infoIndex++]); //Block Type, Block Data
}
}
