I was wondering if there are nodes in ue4 material editor that are similar to Photoshop like the levels and curves where u can edit these nodes and it affects the textures in viewport?
You can do things within a shader that adjust adjust contrast and brightness. For example using a multiply node to darken a texture. But they're not as user friendly as anything photoshop does and it's not as efficient as having textures that look correct to start with.
There are functions like CheapContrast: The CheapContrast function boosts the contrast of an input by remapping the high end of the histogram to a lower value, and the low end of the histogram to a higher one. This is similar to applying a Levels adjustment in Photoshop, and pulling the black and white flags in a bit. The…