/// <summary>
/// Write XYZI chunk
/// </summary>
/// <param name="writer"></param>
/// <param name="index"></param>
private void WriteXyziChunk(BinaryWriter writer, int index)
{
writer.Write(Encoding.UTF8.GetBytes(XYZI));
HashSet <Block> blocks = new HashSet <Block>();
if (_schematic.Blocks.Count > 0)
{
BlockGlobal firstBlock = _firstBlockInEachRegion[index];
blocks = GetBlocksInRegion(new Vector3(firstBlock.X, firstBlock.Y, firstBlock.Z), new Vector3(firstBlock.X + 126, firstBlock.Y + 126, firstBlock.Z + 126));
}
writer.Write((blocks.Count() * 4) + 4); //XYZI chunk size
writer.Write(0); //Child chunk size (constant)
writer.Write(blocks.Count()); //Blocks count
_countBlocks += blocks.Count;
foreach (Block block in blocks)
{
writer.Write((byte)(block.X % _volumeSize));
writer.Write((byte)(block.Y % _volumeSize));
writer.Write((byte)(block.Z % _volumeSize));
int i = _usedColors.IndexOf(block.Color.UIntToColor()) + 1;
writer.Write((i != 0) ? (byte)i : (byte)1);
_schematic.Blocks.Remove(block);
}
}
/// <summary>
/// Get world coordinates of the first block in each region
/// </summary>
private void GetFirstBlockForEachRegion()
{
_firstBlockInEachRegion = new BlockGlobal[_countSize];
int min = 0;
if (_direction == 0)
{
min = (_width < _length) ? _width : _length;
}
else
{
min = (_width > _length) ? _width : _length;
}
for (int i = 0; i < _countSize; i++)
{
int x = (i / (min * _height) * _volumeSize);
int y = (((i / min) % _height) * _volumeSize);
int z = ((i % min) * _volumeSize);
_firstBlockInEachRegion[i] = new BlockGlobal(x, y, z);
}
}