private void addNewArmorBt_Click(object sender, EventArgs e)
        {
            double ar = Armor.CalculateAR((ArmorTypes)armorMaterialCb.SelectedIndex,
                                          (ArmorMaterials)armorQualityCb.SelectedIndex,
                                          (ArmorQualities)armorTypeCb.SelectedIndex);

            _activeCharacter.AddArmorPiece(new Armor(armorNameTb.Text, ar, 0, 0, (ArmorLocations)armorLocationCb.SelectedIndex, null));
            updateView();

            onArmorChanged(this, new System.EventArgs());
        }