while(1)
    {
        if(GetKeyState(VK_F1) & 1)
        {
            FL_INCHAT = INCHAT(); FL_ONGROUND = ONGROUND(); FL_INWATER = INWATER(); FL_ONLADDER = ONLADDER();
            if(GetKeyState(VK_SPACE) & (1 << 15) && !FL_INCHAT)
            {
                if(FL_ONGROUND != -1 || FL_INWATER != 0 && FL_INWATER != 1 || FL_ONLADDER == 9)
                    JUMP();
                else
                    Sleep(1);
            }
            else
                Sleep(1);
        }
        else
            Sleep(1);
    }