But I think it's pretty poorly written, it's difficult to figure out and it wouldn't be easy to add more than 3 rooms scanned.
Here's a proposed revision:
ACMD(do_scan)
{
int door;
char buf[MAX_STRING_LENGTH];
int range;
int maxrange = 3;
room_rnum scanned_room = IN_ROOM(ch);
if (IS_AFFECTED(ch, AFF_BLIND)) {
send_to_char(ch, "You can't see a damned thing, you're blind!\r\n");
return;
}
for (door = 0; door < NUM_OF_DIRS; door++) {
for (range = 1; range<= maxrange; range++) {
if (world[scanned_room].dir_option[door] &&
!IS_SET(world[scanned_room].dir_option[door]->exit_info, EX_CLOSED)) {
scanned_room = world[scanned_room].dir_option[door]->to_room;
if (world[scanned_room].people)
list_scanned_chars(world[scanned_room].people, ch, range - 1, door);
} // end of if
else
break;
} // end of range
scanned_room = IN_ROOM(ch);
} // end of directions
} // end of do_scan
Note that, unlike the present version of scan, the code doesn't stop when it sees someone. Also, it would be easy to change maxrange, either through skills or set to a constant elsewhere (in cedit maybe?).
I also removed the check for darkness, which can be added before the list_scanned_chars call.
I also made some aesthetic changes to list_scanned_chars, showing them in a table rather than the "x, y, and z" format.
