20.03.2011, 19:38
With PVar's. Set a PVar in the FS while any player is in the Minigame, in the Gamemode you can use then GetPVar and return OnPlayerCommandText if the PVar is setted 
#edit: Or Include your Filterscript in the Gamemode and use a normal bool (True/False).
#edit: Or Include your Filterscript in the Gamemode and use a normal bool (True/False).