if (you.species == SP_VAMPIRE && you.hunger_state == HS_ENGORGED)

    if (you.is_undead == US_SEMI_UNDEAD && you.hunger_state == HS_ENGORGED)

undead_state_type get_undead_state(const species_type sp);

static undead_state_type _get_undead_state(const species_type sp)

undead_state_type get_undead_state(const species_type sp)

    you.is_undead = _get_undead_state(you.species);

    you.is_undead = get_undead_state(you.species);

    // no Berserk for undead other than vampires

    if (you.is_undead) // no Berserk for undeads

    if (you.is_undead && you.species != SP_VAMPIRE)

                    if (!you.is_undead)

                    if (you.is_undead != US_UNDEAD)

                    // mummies cannot smell, and do not hunger {dlb}
                    if (!you.is_undead)

                    if (you.is_undead != US_UNDEAD)

                else if (you.is_undead != US_UNDEAD)

                else

                        "rotting away before your eyes. "
                        "Eating it would probably be unwise.";

                        "rotting away before your eyes.";
                    if (you.is_undead != US_UNDEAD
                        && you.species != SP_VAMPIRE)
                    {
                        description << " Eating it would "
                            "probably be unwise.";
                    }

        you.is_undead = ((you.species == SP_MUMMY)   ? US_UNDEAD :
                         (you.species == SP_GHOUL)   ? US_HUNGRY_DEAD :
                         (you.species == SP_VAMPIRE) ? US_SEMI_UNDEAD
                                                     : US_ALIVE);

        you.is_undead = get_undead_state(sp);