Just bought a deluxe version - such an awesome tool, thank you! Question: Is that possible to edit the SM texture? 3-color pixel. Let's say I want to use one of these layouts:
MRMO-CRT uses a procedurally generated shadowmask, in the aptly named "ShadowMask", node group (a subgroup within the "Composite Shadowmask") group. You could circumvent the procedural mask, and plug in your own texture, something like this: