Fixes greyscale floor tiles merging regardless of their materials.
Fixes greyscale floor tiles voiding materials when splitting the stack.
Fixes greyscale floor tile stacks being created with no mats_per_unit and only enough custom materials for a single unit.
Fixes greyscale tile flooring being created with the wrong amount of materials.
Fixes greyscale tile flooring not producing floor tiles/producing floor tiles with 0 units.
TemporalOroboros
4b4363be15