hal - the lerp in your spec isn't actually lerp'ing anything, since the alpha is set to 1. Can just use a straight up single vector to multiply it by, no need for the lerp In the spec power, hook your grayscale spec mask into the alpha of the lerp, so that black = is one spec power range and white is the other. Values of…
i also don't think there is anything wrong with the uv layout. maybe if he was making an iphone app it would matter, in which case you would only have color map. To me, your normals aren't really doing much for the treasure chest. I would go back and add AO to the color map and also add some edge highlights and also…