Function feeltrap

src/trap.c:3587–3594

like seetrap() but overrides vision */

/* like seetrap() but overrides vision */
void
feeltrap(struct trap *trap)
{
    trap->tseen = 1;
    map_trap(trap, 1);
    /* in case it's beneath something, redisplay the something */
    newsym(trap->tx, trap->ty);
}

/* try to find a random coordinate where launching a rolling boulder
   could work. return TRUE if found, with coordinate in cc. */