WorldTwoTextureBlend

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Reason 

Bring to standards set by other shader pages, and mention other available shader parameters (what's $albedo?) See SDK source code.

WorldTwoTextureBlend is a lightmap shader used to render two albedos at the same time with a single material. It uses the $detail command to draw the uppermost albedo (unlike the command's normal usage). $detail must have an alpha channel if $basetexture is to be seen!

Note: Do not confuse this shader with WorldVertexTransition, which blends between textures but does not display one above the other.

Tip: Effectively equivalent to $detailblendmode 2 (working around the blend mode's incompatibility with LightmappedGeneric and WorldVertexTransition), but with fewer available parameters.

Bug:Doesn't render correctly when using flashlight and shining on any textures using this shader while radial fog is also enabled. Issues #7045  (tested in: (de_aztec))

Syntax

WorldTwoTextureBlend
{
    $basetexture    <texture>
    $detail         <texture with alpha channel>
    $detailscale    <float>// Behaves normally
}

Supported effects

• $bumpmap (will not apply to $detail)
• $translucent and $alpha
• $seamless_scale

This shader does not support $envmap.

See also

• WorldVertexTransition
• LightmappedGeneric
• $detailscale
• LightmappedTwoTexture