public void mulung_EnergyModify(boolean inc) {
        if (inc) {
            if (mulung_energy + 100 > 10000) {
                mulung_energy = 10000;
            } else {
                mulung_energy += 100;
            }
        } else {
            mulung_energy = 0;
        }
        client.getSession().write(CWvsContext.MulungEnergy(mulung_energy));
    }