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Decals with normal maps ?


motorsep

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Wow awesome! That is good to know! :o

Are there already decals with normal maps in use? I would love to see an example screen (or motorsep can do a screenie plz?) :)

"Einen giftigen Trank aus Kräutern und Wurzeln für die närrischen Städter wollen wir brauen." - Text aus einem verlassenen Heidenlager

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For a translucent light-interacting decal, here's one of our standard cobwebs. It generates a rough normal map and a specular map from the diffuse image:

textures/darkmod/decals/webs/cobweb1
{
  qer_editorimage textures/darkmod/decals/webs/cobweb1_ed
  translucent
  noshadows
  twosided
  nonsolid
  sort 5

  bumpmap heightmap (textures/darkmod/decals/webs/cobweb1, 2)
  diffusemap textures/darkmod/decals/webs/cobweb1
  
  {
    blend specularmap
    map textures/darkmod/decals/webs/cobweb1
    red .25
    green .25
    blue .2
  }
}
You can see it's light-interacting if you wave a lantern round in front of it. Also, it won't glow in the dark like most transparent materials do. The glass crack decals work the same way.

 

For an alpha-tested version, our ivy pieces are a good example:

textures/darkmod/decals/vegetation/ivy_mixed_pieces
{
  surftype15
  description "foliage"
  noshadows
  nonsolid
  noimpact
  twosided
  qer_editorimage textures/darkmod/decals/vegetation/ivy_mixed_pieces_ed

  {
    blend diffusemap
    map textures/darkmod/decals/vegetation/ivy_mixed_pieces
    alphaTest 0.1
  }

  specularmap textures/darkmod/decals/vegetation/ivy_mixed_pieces_s
  bumpmap textures/darkmod/decals/vegetation/ivy_mixed_pieces_local
} 
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