Function get_wall_for_db

src/dbridge.c:210–227

* Find the drawbridge wall associated with a drawbridge. */

 * Find the drawbridge wall associated with a drawbridge.
 */
staticfn void
get_wall_for_db(coordxy *x, coordxy *y)
{
    switch (levl[*x][*y].drawbridgemask & DB_DIR) {
    case DB_NORTH:
        (*y)--;
        break;
    case DB_SOUTH:
        (*y)++;
        break;
    case DB_EAST:
        (*x)++;
        break;
    case DB_WEST:
        (*x)--;
        break;
    }
}

/*
 * Creation of a drawbridge at pos x,y.