VertexLitGeneric

VertexLitGeneric is a material shader available in all Source games. It is the shader most commonly used to render models, and supports a variety of effects.

Supported Parameters

Basics

$basetexture

Defines an albedo texture.

$detail

Detail texturing.

$seperatedetailuvs

$decaltexture (only in )

Use a 2nd UV channel for high-resolution decal support.

Adjustment

$color2

Color tinting.

$lightwarptexture (in all games since )

Per-texel color modification via a warp texture.

[[$allowdiffusemodulation|$allowdiffusemodulation]] $desaturatewithbasealpha [[$notint|$notint]]

Transparency

$alpha

Cheaply scales the opacity of an entire material.

$alphatest

Cheap transparency using a binary opacity mask.

$nocull

Disables backface culling.

$translucent

Expensive translucency using a full alpha mask.

$distancealpha (in all games since )

Vector-like edge filtering.

Lighting

$bumpmap

Normal mapping.

$halflambert

Half-lambertian shading.

$selfillum

Determines whether the surface is self-illuminated independent of environment lighting.

$emissiveblend (in all games since )

Advanced flowing self-illumination, used on the Vortigaunts in Half-Life 2: Episode Two .

Reflection

$envmap

Specular reflections.

$phong (in all games since )

Diffuse reflections.

$rimlight (in all games since )

Constant rimlight based on phong and the ambient lighting.

Effect

$compress (in all games since )

$stretch (in all games since )

Wrinklemaps for character faces.

$flesh (in all games since )

The flesh effect used for Alyx in Half-Life 2: Episode Two.

$treeSway (in all games since )

Vertex manipulation to give the effect of trees swaying in the wind.

Technical Workarounds

$flashlightnolambert $lowqualityflashlightshadows $allowfencerenderstatehack $disablecsmlookup

Cloak

VertexLitGeneric natively supports the Spy cloak effect from Team Fortress 2 . You will want to combine it with a sine wave proxy for the full effect.

$cloakpassenabled $cloakfactor $cloakcolortint $refractamount

Caveats

Mapbase

Unlit materials in Mapbase should have the shader SDK_VertexLitGeneric.

See also

• Materials for models
• EyeRefract, the shader for modeled eyes.
• Teeth, the shader for modeled teeth.