Majority of PBR is complete although still need a couple weeks to finish up everything.
Here you can see the results so far.

Normal demon and as if turned to metal.

There's quite a lot going on under the hood, GGX specular, environment maps, smoothness/roughness/gloss, reflectivity, multi-scattering energy preservation, Burley/Disney based diffuse.
It's a lot more advanced than the previous shading model

   
   

Pretty awesome, any chance we could see some picture of before/after ? Id love to see better de difference between the 2 shaders output

Yeah sure
Uploaded to FB:
https://www.facebook.com/EsenthelEngine/...=3&theater

that's awesome thanks !

Nice work, looks good indeed.

ho ! Amazing

Very nice, and looking positively Demonic lol. Great addition to the engine!