Setplayer

setplayer[<player id>].<member> <gamevar>

This allows you to set one of the members of the player structure to the value of a gamevar.

The player ID can be either THISACTOR, screenpeek or myconnectindex, though using myconnectindex is strongly recommended against.

...
       ifvarg WEAPON_COUNT 25
       {
           getplayer[THISACTOR].weapon_pos TEMP2
           ifvarl TEMP2 10
           addvar TEMP2 2
           ifvarg TEMP2 9 setvar TEMP2 9
           setplayer[THISACTOR].weapon_pos TEMP2
       }
...