2 - grep for TODO and FIXME
3 - when shot origin is inside warpzone, nex shot fails (and is even drawn in totally wrong direction). WHY? Possibly v_forward got lost?
10 - grenadelauncher: YES
15 - rocketlauncher: YES (except for trail bug)
16 - porto: YES (bwahahahaha)
20 - fireball: YES (BFG effect cannot work through warpzones by design, so it's not available through warpzones)