Combining Bumpmapping with Shaders

(Tigris) #1

Ok, question: I have a shader, a spectacular map which I want to enhence by using a bump-map at the same time on it.
I know it seems kind of useless, but I want some shadows to be drawn on the surface- and because of the size I can’t do it manually.
Right now I (because I’m just plain stupid when it comes to shaders) combined my normal spectacular shader with the instructions for bumpmapping- with to result of the map crashing my PC… Cool, eh :wink:

Anyway- just wanted to know: Is there a way to do this and if yes- how?

My current shader:

textures/coruscant/first-layer
{
qer_editorimage textures/coruscant/first-layer.tga
q3map_normalimage textures/coruscant/first-layer_bump.tga

{
map $lightmap
rgbGen identity
}

{
map textures/coruscant/first-layer_bump.tga
blendFunc GL_DST_COLOR GL_ZERO
rgbgen identity
}

{
map textures/coruscant/reflective-map.tga
tcGen environment
rgbGen identity
}

{
map textures/coruscant/first-layer.tga
blendFunc GL_SRC_ALPHA GL_ONE_MINUS_SRC_ALPHA
rgbGen identity
}

{
map $lightmap
blendFunc GL_DST_COLOR GL_ONE_MINUS_DST_ALPHA
rgbGen identity
}

}

Perhaps I can remove the first {-} because it really doesn’t do anything, but as I mentioned before- I’m a beginner when it comes to shaders…

/me votes for a Q3ASE-Q3Map2 Edition :wink: