$allowdiffusemodulation

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$allowdiffusemodulation is a material shader parameter available in all Source games since Left 4 Dead (also in Mapbase) for VertexLitGeneric. It prevents a material from being tinted by either $color2 or the rendercolor parameter. This is useful for situations where you have a model made up of multiple materials, some which you might want tint-able and some not.

Note:This parameter exists as $notint in Counter-Strike: Global Offensive, Garry's Mod and Portal 2: Community Edition.

Risk of Confusion:Unlike most boolean VMT parameters, the default value is 1; setting to 0 disables tinting.

Syntax

$allowdiffusemodulation <bool>