User:THE OWL/Sandbox/Templates/MatParamDef
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$envmapmasktransform <matrix> (DX9 SM2)
Transforms the specular mask texture.

- The default position is center .5 .5 scale 1 1 rotate 0 translate 0 0.
- center defines the point of rotation. Only useful if rotate is being used.
- scale fits the texture into the material the given number of times. 2 1 is a 50% scale in the horizontal X axis while the vertical Y axis is still at original scale.
- rotate rotates the texture counter-clockwise in degrees. Accepts any number, including negatives.
- translate shifts the texture by the given numbers. .5 will shift it half-way. 1 will shift it once completely over, which is the same as not moving it at all.
Note:All values must be included!
Bug:Scaling the texture may cause odd issues where the Texture Lock tool in Hammer will not actually lock the texture in place. [todo tested in ?]
Bug:Rotating textures applied on brushes will rotate around the map origin (confirm: Orangebox engine only?). A fix for this is to change the center position in the VMT to the brush's origin. [todo tested in ?]