env_player_surface_trigger

Class hierarchy
CEnvPlayerSurfaceTrigger ↳CPointEntity ↳CBaseEntity
env_player_surface_trigger.cpp

env_player_surface_trigger is a point entity available in all Source games. It monitors the material of the surface the player is standing on, and fires outputs whenever it changes to/from a specific material.

Note:This entity is designed with single player in mind so might not work as expected in multiplayer games

Example:Used in d2_coast_11 to detect player touching the sand causing antlions to be spawned

Keyvalues

Name (targetname) <string>[ Edit ]

The name that other entities refer to this entity by, via Inputs/Outputs or other keyvalues (e.g. parentname or target).
Also displayed in Hammer's 2D views and Entity Report.

See also:  Generic Keyvalues, Inputs and Outputs available to all entities

Game Material to Watch (gamematerial) <choices>

The material to watch. When the player stands on/off this material, this entity's outputs will be fired.

Literal value	Description
0	None (player's in the air)
67	Concrete
77	Metal
68	Dirt
86	Vent
71	Grate
84	Tile
83	Slosh
87	Wood
80	Computer
89	Glass
70	Flesh
73	Clip
79	Foliage
78	Sand

"Slosh" Type does not to work to detect players in volumetric water, only on solid surfaces marked with "water" or "slime" surface properties.

Inputs

Enable

Start watching the player's surface.

Disable

Stop watching the player's surface.

Outputs

OnSurfaceChangedToTarget

Fired when the player moves onto the specified game material.

OnSurfaceChangedFromTarget

Fired when the player moves off the specified game material.