SubstancePainterExport

Introduction

This page covers how to export substance painter maps in a format supported by the ARK materials. While ARK uses a packed format as well, it is not possible to directly use the UE4 export profile shipped with Substance Painter - ARK uses a different channel mapping for Occlusion, Roughness and Metalness.

All the information on this page comes from MRRadioactiv - big thanks for digging into this and figuring it all out!

Importing the Preset

To make this as easy as possible we will provide a downloadable preset: http://www.mediafire.com/file/suggmhz21u8r8ux/ARK%20Dev%20Kit.spexp

Install this preset into Documents/Allegorithmic/Substance Painter/shelf/export-presets, restart Painter and you should be able to use it.

Channel Mapping

If you want to create your own export profile you can use the following mapping:

BaseColor / Albedo / Diffuse Texture

   * Channels: RGB + Alpha (optional)                                

Normal Texture

   * Channels: RGB                                     

Layered Texture

   *Red = Metallic, Green = Roughness, Blue = Ambient Occlusion, Alpha = Cavity                                                           

Colorize Texture

   * Channels: RGB

Note: Read also the Wildcard Wiki

References:

• Base Color / Albedo / Diffuse: http://wiki.polycount.com/wiki/Diffuse_map
• Normal Map: http://wiki.polycount.com/wiki/Normal_map
• Cavity Map: http://wiki.polycount.com/wiki/Cavity_map
• Ambient Occlusion: http://wiki.polycount.com/wiki/Ambient_occlusion_map
• Wildcard Wiki: https://sites.google.com/a/studiowildcard.com/ark-dev-kit-documentation/assets/texturing