public LocalBlockPosition(IChunk chunk, BlockPosition position)
: this()
{
var chunkPos = chunk.Position();
var size = chunk.Size();
X = position.X - chunkPos.ChunkX * size.X;
Y = position.Y;
Z = position.Z - chunkPos.ChunkZ * size.Z;
}
public ChunkPartition([NotNull] IChunk chunk, BoxSelection boundaries)
{
Chunk = chunk;
var size = chunk.Size();
var position = chunk.Position();
var lesserCorner = new BlockPosition(position, new LocalBlockPosition(0, 0, 0), size);
var greaterCorner = new BlockPosition(position, new LocalBlockPosition(size.X, size.Y, size.Z), size);
// translate boundaries into chunk-local
// if minimum or maximum are out of bounds, cap them
XMin = (boundaries.Left - lesserCorner.X).Clamp(0, size.X);
YMin = (boundaries.Bottom - lesserCorner.Y).Clamp(0, size.Y);
ZMin = (boundaries.Forward - lesserCorner.Z).Clamp(0, size.Z);
XMax = (boundaries.Right - lesserCorner.X + 1).Clamp(0, size.X);
YMax = (boundaries.Top - lesserCorner.Y + 1).Clamp(0, size.Y);
ZMax = (boundaries.Backward - lesserCorner.Z + 1).Clamp(0, size.Z);
}
