The Grid and Manipulation
Documents on the grid and related topics.
Rotating Textures
Instructions on creating VMTs that animate the texture rotation.
Alpha Spec
This utility is a helper function to convert your Specular Level bitmap into the Alpha channel of another bitmap.
Known Issues
Known issues with various Wall Worm tools.
Texture and VTex Errors
Topics pertaining to errors compiling VTF Textures from bitmaps in Source.
Hitboxes and Bone Properties
The bone tools allow you to give specific bones artbitrary surface properties, set mass bias and create hitboxes and hitbox groups.
Brush Materials have incorrect rotation and scale when using the DirectX Shader
The Wall Worm Material Library Generator originally created DirectX Materials for all materials. But updates to the VMF Exporter changed the way materials are interpretted. Whenever possible, you should not use DirectX Materials.
My Material is always Transparent but I don't want it to be
Information on outputting the desired alpha settings for your materials.
Miscellaneous Anvil Tools
An overview and explanation of several functions included in the Miscellaneous tab of Anvil.
Cordon Manager
The cordon manager lets you use multiple cordons and limit the compiling of your level to the area inside the cordon.