$ignorez

$ignorez (as in "ignore the Z axis") is a boolean setting available in almost all Source games that enables cheap sorting. It is mostly used for interface materials, which will always be rendered in front of the 3D world, and skybox materials, which will always be behind.

Note:$ignorez can be used on any textures or models, which means that, if the server allows custom files, it can be used to create a wallhack cheat. In Day of Defeat: Source, Team Fortress 2, Counter-Strike: Source and Half-Life 2: Deathmatch, this is fixed by being disabled for models only, and attempting to use it on a model will print this error message into the console: "Ignoring material flag '$ignorez' on material 'X'".

Preview

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  $ignorez disabled

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  $ignorez enabled