This isn't a new round event, see here for details: http://forums.alliedmods.net/showthread.php?t=42159
stock get_user_hitpoint(id, Float:hOrigin)
FYI, there are also
stock fm_get_aim_origin(index, Float:origin)
in the Fakemeta Utilities.
for tell me about is_hull_vacant stock
Of course it's good that you've been informed about this stock but unfortunately you haven't been informed how to use it. I.e.
hull = pev(id, pev_flags) & HULL_HUMAN
Do you realise what you are doing here? Please tell me.