First click - smooth zoom in as long as you hold the buton or fov reaches 12. Second click - instant zoom out. Sensitivity changes proportionally if starting fov is 120 and sensitivity 30. when zoomed/ing in, hudgun 0, when zoomed out hudgun whatever it was before.

NOTE. Use with Cube 22.08.2005 or sauerbraten 2006.02.27 physics edition or later.