[UN] Retexture HUD System - PBR

--[UN] Retexture System - PBR Version--

This system is designed to allow you to create a HUD out of prims or mesh, setting up specific prims and faces on the HUD so users can click them to change specified PBR materials and variables including Texture, Normal, OCMR (Occlusion, Metallic and Roughness), Emissive, Tints and Alpha Transparency on a separate product or products.

It uses an easily filled out list to specify which HUD prims and faces should act as buttons. Each HUD prim/face combination can then be 'linked' to a set of command to be applied of specific prims/faces on the product. These will be sent to the item when the specified button is pressed causing the PBR settings on the given face(s) to change as specified.

This system uses the same HUD setup for naming convention as well as prim & face definitions as the original [UN] Retexture System which means it can share buttons with that system allowing you to use a single HUD to change both PBR and non PBR textures on an object if you set up both systems for it.