The names of the layers mask contains, in index order — the inverse of
layerMask, and what a §79 writer stores instead of the number.
Bits with no defined layer are skipped rather than reported as undefined: a
mask like ALL_LAYERS names every layer that exists and says nothing
about the ones that do not.
The names of the layers
maskcontains, in index order — the inverse of layerMask, and what a §79 writer stores instead of the number.Bits with no defined layer are skipped rather than reported as
undefined: a mask like ALL_LAYERS names every layer that exists and says nothing about the ones that do not.