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All-Bumpy Bumpmaps using CrazyBump! Difficulty: Beginner |
| Category: CS:S > Skinning | Author(s): Stene |

All-Bumpy Bumpmaps using CrazyBump!
by Stene
In this tutorial I will explain how to make bumpmaps to textures using the program CrazyBump!
DOWNLOAD CRAZYBUMP HERE
1. We install the program and run CrazyBump.exe. We have some nice effects shown on the startup, and we catch a glimpse of what the interface looks.
As the program instructs, let's press this button to begin.

2. Now the program asks which kind of file to open, we will open a "photograph from file", and which is now the Half-Life 2 brickfloor001a texture I've converted to GIF format.

CrazyBump will now "Think" and we "puny humans" need to wait.
3. There will now be a screen on which shape we'd like to take for this bumpmap, it's our own decision which one it will be, now in this tutorial it is shape 2.
The bumpmap screen will appear, along with 3D Preview. Under Normal Map will be a list of different things which to use and shape the bumpmap. I will leave just the basics there and now see how this HL2 texture looks with the CrazyBump's own bumpmap!

4. That simple was making the bumpmap. Now all we need is to get it in-game, so we might now use my former "Beginner's Guide to VTF's and VMT's" tutorial, and import this new bumpmap to the actual program. We have saved the texture from CrazyBump and now we import it to VTFEdit. Then here are the last things to do!
On VTFEdit Flags section, only thing we mark will be:

The file must be saved as "Brick/brickfloor001a_normal", so that we can make it apply on the existing HL2 texture. Then we make an VMT file to the path materials/Brick/brickfloor001a.vmt, and have the text on it like this:
"LightmappedGeneric"
{
"$basetexture" "Brick/brickfloor001a"
"$bumpmap" "Brick/brickfloor001a_normal"
"$surfaceprop" "brick"
"%keywords" "c17downtown"
}
We are finished and when we go to play Half-Life 2 now this particular texture will have a nice bumpmap on it, as seen in that 3D Preview earlier. This same method can be done to other textures, no matter if they are existing Half-Life 2 textures or custom ones.
Here's the files again:

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| Added: 4 months ago | Tags: normalmap, bumpmap, crazybump, vtfedit |
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