Wrack remake

Because the remake is using a new unique custom PBR specular/roughness based shader, I was asked to update existing models and create materials that would work with the new shader. I updated all weapons, ammo, first person arm models and the Exo character model. While the look of the models was modernized, it was important it fit the style and feel of the Wrack universe.

The weapon models, use the existing models, some of them required, minor touches, some more extensive adjustments. In some cases I got to redesign the weapon from scratch. In that case, I always tried to stay true to the spirit of the original model. All weapon models required new uv's because on the new specifications. Texturing was done in substance painter.

In case of the arms, and Exo, I started from scratch, made new low poly models (these had to fit to the existing rigs), created sculpts and high poly meshes for baking. Texturing was done in Substance painter.