Function align_shift

src/makemon.c:1610–1637

* shift the probability of a monster's generation by * comparing the dungeon alignment and monster alignment. * return an integer in the range of 0-5. */

 *      return an integer in the range of 0-5.
 */
staticfn int
align_shift(struct permonst *ptr)
{
    static NEARDATA long oldmoves = 0L; /* != 1, starting value of moves */
    static NEARDATA s_level *lev;
    int alshift;

    if (oldmoves != svm.moves) {
        lev = Is_special(&u.uz);
        oldmoves = svm.moves;
    }
    switch ((lev) ? lev->flags.align : svd.dungeons[u.uz.dnum].flags.align) {
    default: /* just in case */
    case AM_NONE:
        alshift = 0;
        break;
    case AM_LAWFUL:
        alshift = (ptr->maligntyp + 20) / (2 * ALIGNWEIGHT);
        break;
    case AM_NEUTRAL:
        alshift = (20 - abs(ptr->maligntyp)) / ALIGNWEIGHT;
        break;
    case AM_CHAOTIC:
        alshift = (-(ptr->maligntyp - 20)) / (2 * ALIGNWEIGHT);
        break;
    }
    return alshift;
}

/* return larger value if monster prefers the level temperature */
staticfn int