function scr_damage_all(arg0 = 0, arg1 = true)
{
    if (global.inv < 0)
    {
        remdamage = damage;
        _temptarget = target;
        for (ti = 0; ti < 3; ti++)
        {
            global.inv = -1;
            if (argument_count == 0)
            {
                damage = remdamage;
            }
            else
            {
                damage = arg0;
                remdamage = arg0;
            }
            target = ti;
            if (global.hp[global.char[ti]] > 0 && global.char[ti] != 0)
                scr_damage(arg1);
        }
        global.inv = global.invc * 40;
        target = _temptarget;
    }
}