Green NormalMaps
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03-23-2016, 02:53 PM
Post: #1
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Green NormalMaps
In Alekhine's Gun, the NormalMap textures cannot be viewed normally on PhotoShop and can only be viewed if you open them as a DDS file. It was like this in the demo as well. I checked with the people on the Dark Mod forums, they think it's part of the NormalMap and that the rest of the RGB format is hidden. How do I view the NormalMaps normally on PhotoShop?
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03-23-2016, 04:08 PM
(This post was last modified: 03-23-2016 04:12 PM by Alexey.)
Post: #2
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RE: Green NormalMaps
Well, normal maps stored in "compressed" format. You will have to decompress them to make it look like regular normal map. There is only X and Y stored in DDS file. Z computed in real time.
Final normal will be: Normal.X = TextureDDS.Alpha * 2 - 1.0; Normal.Y = TextureDDS.G * 2 - 1.0; Normal.Z = sqrt( 1.0 - Normal.X*Normal.X + Normal.Y*Normal.Y ); To convert back to regular normal map RGB values: Pixel.RGB = Normal.XYZ * 0.5 + 0.5; |
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