Tool textures (Source 2)

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Tool textures are used, mostly by the tools but sometimes by the engine, to perform special tasks.

• Tool textures (GoldSrc) - Tool textures available in all GoldSrc engine games.
• Tool textures (Source) - Tool textures available in all Source engine games.
• Tool textures (Source - Third-party) - Tool textures available in third-party Source engine games.
• Tool textures (Source 2) - Tool textures available in all Source 2 engine games.

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These files were quickly thrown here from Half-Life: Alyx and Counter-Strike 2. Most info is probably identical to their Source counterparts^[confirm]

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Categorize textures between ones specific to one game, and engine wide ones

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Tool textures are used, mostly by the entities they're named after, but sometimes by parts of the engine such visibility calculations, to perform special tasks. They can be easily found in the Asset Browser using "tools" as a filter.

General

General

These tool textures have not been organized yet.

Image	Name	Visible if Mesh	Casts shadows	Block Visibility	Blocks NPC LOS	Solid to NPCs	Solid to player(s)	Solid to physics	Solid to bullets	Blocks sound (only in )	Usage / Notes
	audioblocker	No	No	No	No	No	No	No	No	Yes	Muffles audio if mesh blocks line of sight of the audio origin. See Audio Blocker page for more info
	fogvolume	No	No	?	?	?	No	No	No	No	Todo: Figure out
	postprocessingvolume	?	?	?	?	?	?	?	?	No	Todo: Figure out Might only be used in HLA or other Source 2 games? Not in CS2
	skyvisblocker	No	No	?	?	?	No	No	?	No	Todo: Figure out
	tools_cs_place	No	No	No	No	No	No	No	No	No	Meshes with this texture are meant to be tied to the env_cs_place entity to create Location name callouts. (only in )
	tools_func_occluder	?	?	?	?	?	?	?	?	No	Todo: Figure out
	tools_postprocess_volume	?	?	?	?	?	?	?	?	No	Meshes with this texture are meant to be tied to the post_processing_volume entity.
	tools_spawn_volume	No	No	?	?	?	No	No	No	No	Todo: Figure out
	toolsblack	No	Yes	Yes	?	?	Yes	Yes	?	No	Todo: Figure out
	toolsblock_los	No	No	?	?	?	No	No	No	No	Todo: Figure out
	toolsblockbomb	No	No	?	?	?	Yes	Yes	?	No	Todo: Figure out
	toolsblockbullets	No	No	?	?	?	Yes	Yes	Yes	No	Todo: Figure out
	toolsblocklight	No	Yes	No	No	No	No	No	No	No	Blocklight, does not add to VIS
	toolsblocksound	No	No	No	No	No	No	No	No	Yes	Same as AudioBlocker, but with slightly different tool textures parameters
	toolsclip	No	No	?	?	?	Yes	No	No	No	Todo: Figure out
	toolscontrolclip	No	No	?	?	?	Yes	Yes	?	No	Todo: Figure out Likely leftover and previously deprecated in Source 2007, but present in Team Fortress 2.
	toolsfog	No	No	?	?	?	Yes	Yes	?	No	Todo: Figure out
	toolsgrenadeclip	No	No	?	?	?	No	?	No	No	Todo: Figure out
	toolsgrey	Yes	Yes	?	?	?	Yes	Yes	?	No	Todo: Figure out
	toolsignorenpc	No	No	?	?	?	Yes	Yes	?	No	Todo: Figure out
	toolsinvisible	No	No	?	?	?	Yes	Yes	?	No	Todo: Figure out
	toolsinvisibleladder	No	No	?	?	?	Yes	No	No	No	Todo: Figure out
	toolslightmapres	No	No	No	No	No	No	No	No	No	Placed near playable bounds of a map, helps the Lightmap generator in VRAD3 to calculate which meshes to prioritize and which ones to bias down
	toolslightvolumeboundary	No	No	?	?	?	Yes	Yes	?	No	Todo: Figure out
	toolsmarkupvolumeai	?	?	?	?	?	?	?	?	No	Todo: Figure out
	toolsnavattribute	?	?	?	?	?	?	?	?	No	Todo: Figure out
	toolsnavclip	No	No	?	?	?	No	No	No	No	Todo: Figure out
	toolsnodraw	No	No	?	?	?	Yes	Yes	?	No	Todo: Figure out
	toolsnodraw_grate	No	No	?	?	?	Yes	Yes	?	No	Todo: Figure out
	toolsnodraw_metal	No	No	?	?	?	Yes	Yes	?	No	Todo: Figure out
	toolsnodraw_plastic	No	No	?	?	?	Yes	Yes	?	No	Todo: Figure out
	toolsnodraw_wood	No	No	?	?	?	Yes	Yes	?	No	Todo: Figure out
	toolsnpcclip	No	No	?	?	?	No	No	No	No	Todo: Figure out
	toolsoccluder	No	No	?	?	?	No	No	No	No	Todo: Figure out Presumably the same as tools_func_occluder, just from a different game[confirm]
	toolsotherclip	No	No	?	?	?	No	No	No	No	Todo: Figure out
	toolsplayerclip	No	No	?	?	?	Yes	No	No	No	Todo: Figure out
	toolsprecipitation	No	No	?	?	?	No	No	No	No	Todo: Figure out
	toolsskip	No	No	?	?	?	No	No	No	No	Todo: Figure out
	toolsskybox	No	No	?	?	?	No	No	?	No	Todo: Figure out
	toolssolidblocklight	No	Yes	Yes	Yes	No	No ((in ) Yes)	No	No	No	the same as Blocklight , but creates VIS
	toolsteleportclip	No	No	N/A	No	No	Yes	No	No	No	Half solid to players. Blocks player movement in VR (teleport or smooth locomotion), but not their hands. Confirm:Does not appear to function in SteamVR Home. (also in )[Why?]
	toolstrigger	No	No	?	?	?	No	No	No	No	Todo: Figure out
	visblocker	No	No	Yes	No	No	No	No	No	No	Todo: Figure out

Miscellaneous

These are textures that have a special use, sometimes only seen in one single game.

Some of these textures are not even "real" tool textures, as they do not possess any Compile Flags, but they have some important use that no other texture available can do.

Image	Name	Visible if Mesh	Casts shadows	Block Visibility	Blocks NPC LOS	Solid to NPCs	Solid to player(s)	Solid to physics	Solid to bullets	Blocks sound (only in )	Usage / Notes
	climb	No	No	?	?	?	Yes	Yes	No	No	Todo: Figure out Most likely leftover from when Valve imported L4D2 into Source 2 internally
	wrongway	Yes	Yes	?	?	?	Yes	Yes	?	No	Todo: Figure out
	wrongway_timer	?	?	?	?	?	Yes	Yes	?	No	Todo: Figure out