* `saturation` sets the saturation (vividness).
values > 1 increase the saturation
values in [0,1) decrease the saturation
+ * This value has no effect on clients who have the "Tone Mapping" shader disabled.
* `shadows` is a table that controls ambient shadows
* `intensity` sets the intensity of the shadows from 0 (no shadows, default) to 1 (blackness)
+ * This value has no effect on clients who have the "Dynamic Shadows" shader disabled.
* `get_lighting()`: returns the current state of lighting for the player.
* Result is a table with the same fields as `light_definition` in `set_lighting`.
* `respawn()`: Respawns the player using the same mechanism as the death screen,