Function levregion_add

src/sp_lev.c:5370–5402

RESTORE_WARNING_UNREACHABLE_CODE

staticfn void
levregion_add(lev_region *lregion)
{
    if (!lregion->in_islev) {
        get_location(&lregion->inarea.x1, &lregion->inarea.y1, ANY_LOC,
                     (struct mkroom *) 0);
        get_location(&lregion->inarea.x2, &lregion->inarea.y2, ANY_LOC,
                     (struct mkroom *) 0);
    }

    if (!lregion->del_islev) {
        get_location(&lregion->delarea.x1, &lregion->delarea.y1,
                     ANY_LOC, (struct mkroom *) 0);
        get_location(&lregion->delarea.x2, &lregion->delarea.y2,
                     ANY_LOC, (struct mkroom *) 0);
    }
    if (gn.num_lregions) {
        /* realloc the lregion space to add the new one */
        lev_region *newl = (lev_region *) alloc(
            sizeof (lev_region) * (unsigned) (1 + gn.num_lregions));

        (void) memcpy((genericptr_t) (newl), (genericptr_t) gl.lregions,
                      sizeof (lev_region) * gn.num_lregions);
        Free(gl.lregions);
        gn.num_lregions++;
        gl.lregions = newl;
    } else {
        gn.num_lregions = 1;
        gl.lregions = (lev_region *) alloc(sizeof (lev_region));
    }
    (void) memcpy(&gl.lregions[gn.num_lregions - 1], lregion,
                  sizeof (lev_region));
}

/* get params from topmost lua hash:
   - region = {x1,y1,x2,y2}