Copies data from a fully packed array into a sub-region of a 2D array (where each rows may be spaced apart).

Takes a list of blocks and interprets it as a cube of blocks centered around the area we want to create a mesh from. Voxels from central blocks are co

Checks if there are no duplicate indices in any voxel

Converts the rectangle into a coordinate system of higher step size, rounding inwards of the area covered by the original rectangle if divided coordin