CleverRaven/Cataclysm-DDA — pull request #1929 by ejseto (2013-07-05 18:55:05+00:00)
Title: Limit max probability travel distance

Limit max tunneling distance to 25 to prevent tunneling too far causing wacky scent spam. Not really an issue unless you're underground and have hundreds of bionic power, but I doubt anyone needs to tunnel that far anyway.