Function drain_weapon_skill

src/weapon.c:1475–1514

}

void
drain_weapon_skill(int n) /* number of skills to drain */
{
    int skill;
    int i;
    int curradv;
    int prevadv;
    int tmpskills[P_NUM_SKILLS];

    (void) memset((genericptr_t) tmpskills, 0, sizeof(tmpskills));

    while (--n >= 0) {
        if (u.skills_advanced) {
            /* Pick a random skill, deleting it from the list. */
            i = rn2(u.skills_advanced);
            skill = u.skill_record[i];
            tmpskills[skill] = 1;
            for (; i < u.skills_advanced - 1; i++) {
                u.skill_record[i] = u.skill_record[i + 1];
            }
            u.skills_advanced--;
            if (P_SKILL(skill) <= P_UNSKILLED)
                panic("drain_weapon_skill (%d)", skill);
            P_SKILL(skill)--;   /* drop skill one level */
            /* refund slots used for skill */
            u.weapon_slots += slots_required(skill);
            /* drain skill training to a value appropriate for new level */
            curradv = practice_needed_to_advance(P_SKILL(skill));
            prevadv = practice_needed_to_advance(P_SKILL(skill) - 1);
            if (P_ADVANCE(skill) >= curradv)
                P_ADVANCE(skill) = prevadv + rn2(curradv - prevadv);
        }
    }

    for (skill = 0; skill < P_NUM_SKILLS; skill++)
        if (tmpskills[skill]) {
            You("forget %syour training in %s.",
                P_SKILL(skill) >= P_BASIC ? "some of " : "", P_NAME(skill));
        }
}

int
weapon_type(struct obj *obj)