Function equip_ok

src/do_wear.c:3403–3447

not a getobj callback - unifies code among the other 4 getobj callbacks */

/* not a getobj callback - unifies code among the other 4 getobj callbacks */
staticfn int
equip_ok(struct obj *obj, boolean removing, boolean accessory)
{
    boolean is_worn;
    long dummymask = 0;

    if (!obj)
        return GETOBJ_EXCLUDE;

    /* ignore for putting on if already worn, or removing if not worn */
    is_worn = ((obj->owornmask & (W_ARMOR | W_ACCESSORY)) != 0);
    if (removing ^ is_worn)
        return GETOBJ_EXCLUDE_INACCESS;

    /* exclude most object classes outright */
    if (obj->oclass != ARMOR_CLASS && obj->oclass != RING_CLASS
        && obj->oclass != AMULET_CLASS) {
        /* ... except for a few wearable exceptions outside these classes */
        if (obj->otyp != MEAT_RING && obj->otyp != BLINDFOLD
            && obj->otyp != TOWEL && obj->otyp != LENSES)
            return GETOBJ_EXCLUDE;
    }

    /* armor with 'P' or 'R' or accessory with 'W' or 'T' */
    if (accessory ^ (obj->oclass != ARMOR_CLASS))
        return GETOBJ_DOWNPLAY;

    /* armor we can't wear, e.g. from polyform */
    if (obj->oclass == ARMOR_CLASS && !removing
        && !canwearobj(obj, &dummymask, FALSE))
        return GETOBJ_DOWNPLAY;

    /* Possible extension: downplay items (both accessories and armor) which
     * can't be worn because the slot is filled with something else. */

    /* removing inaccessible equipment */
    if (removing && !gi.item_action_in_progress) {
        if (inaccessible_equipment(obj, (const char *) 0,
                                   (obj->oclass == RING_CLASS)))
            return GETOBJ_EXCLUDE_INACCESS;
    }

    /* all good to go */
    return GETOBJ_SUGGEST;
}

/* getobj callback for P command */
staticfn int