isFilteredOut
public boolean isFilteredOut(Room hostR,
                             Room R,
                             Exit E,
                             int dir)
The room in question is always the second one, "R".
 The hostR is a room being travelled from, and is optional.
 The exit and direction are the travelling means, if any.
- Specified by:
- isFilteredOutin interface- TrackingLibrary.RFilters
- Overrides:
- isFilteredOutin class- StdThinInstance.EmptyFilters
- Parameters:
- hostR- the starting room
- R- the room being filtered, and the target room
- E- the exit from the host to target room
- dir- the direction from host to target room
- Returns:
- true if the room is to be skipped, or false otherwise