Allows mapper to toggle shadows among all toggleable/killable entities that cast shadows. Best effect when using among light_bounce. To use this entity place it anywhere on the map and set it's target to entity that will appear/disappear dynamically in-game. Targeting light_shadow will toggle the shadows. Note that entity need to have 'Opaque' selected in "ZHLT Lightflags" to cast a shadow.
Does not support multiple or switchable light_environments.

Keyvalues

"Classname in Game", convertto :

Used by compilers. You don't need to set this.

Lot's of self-explanatory keyvalues for effect-manipulation.

Flags

1: "Initially dark": Shadows starts turned OFF at start. Make sure this is not selected at map start when the brush is visible too.