Removing points from only the guy purchasing

AmmOMatic(pos, angle)
{
	block = spawn("script_model", pos );
	block setModel("com_plasticcase_friendly");
	block.angles = angle;
	block Solid();
	block CloneBrushmodelToScriptmodel( level.airDropCrateCollision );
      self thread AmmoThink(pos);
      wait 0.01;
}

AmmoThink(pos)
{
        self endon("disconnect");
        for(;;)
        {
                foreach(player in level.players)
                {
                if(distance(pos, player.origin) <75 && player.cash >= 200)
                Player SetLowerMessage(1, "Press ^3[{+activate}] ^7to purchase Ammo", undefined, 25);
                else if(distance(pos, player.origin) <75 && player.cash < 200)
                Player SetLowerMessage(1, "You do not have enough ^1Cash!", undefined, 50);
                if(distance(pos, player.origin) <75 && player.cash >= 200 && Player UseButtonPressed())
                {
                        player thread refillAmmo();
                }
                if(distance(pos, player.origin) >75) Player ClearLowerMessage(1);
                }
                wait 0.05;
       }
}

refillAmmo()
{
	weaponList = self GetWeaponsListAll();

	foreach ( weaponName in weaponList )
	{
		if ( isSubStr( weaponName, "grenade" ) )
		{
			if ( self getAmmoCount( weaponName ) >= 1 )
				continue;
		} 
		self.cash -= 200;
		self giveMaxAmmo( weaponName );
	}
}