Material Convert Script: Corona Physical Material to Corona Legacy Material

Converts the materials of selected objects from Corona Physical material to Corona Legacy material in Max (tested in 2019, 2022, 2023).

Drag and drop maxscript in Max.
Customize -> Customize User Interface -> Toolbars -> Category -> DragAndDrop -> CoronaPhysicalToCoronaLegacy_V3
Supports all common material inputs.

Hope You find this useful.

Changelog:

1. Now detects if material is roughness or glossiness based.
2. Now supports subsurface and volumetric scattering
3. Now supports mask propagation and gbuffer override

Created by Otso @ 3DTaito Oy