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IDProjectCategoryView StatusDate SubmittedLast Update
0003766Dwarf FortressDwarf Mode -- Jobs, Militarypublic2010-12-02 07:332014-08-04 14:54
ReporterOgg the Blinky Sock Assigned To 
PrioritynormalSeverityminorReproducibilityhave not tried
Status newResolutionopen 
PlatformiMac IntelOSOS X w/ WineOS Version10.6.5
Product Version0.31.18 
Summary0003766: Patrol routes don't work if they include the same waypoint multiple times
DescriptionI made a patrol route to send dwarves out and back along my eastern road. The sequence of waypoints was in an "A -> B -> C -> D -> C -> B -> A " format, out and back. The dwarves would become trapped between points 'C' and 'D', always returning to 'D' from 'C', rather than continuing to 'B'.
Additional InformationVerified by observing that the desired patrol behaviour occurs along a "A -> B -> C -> D -> E -> F -> A" route where 'E' and 'F' are placed right beside 'B' and 'C', respectively.
Tagspatrol, route, waypoint

Activities

user6

2010-12-02 07:53

  ~0014363

Unless you've confirmed that this bug can be reproduced in any fortress (not just the one you're playing), please upload a save demonstrating this problem to http://dffd.wimbli.com/

Ogg the Blinky Sock

2010-12-02 15:54

reporter   ~0014377

I've just confirmed this effect by marching seven pristine starting dwarves on an "A -> B -> C -> D -> C -> B -> A" route consisting of four points (ABCD) in a straight line, on level ground. So it would appear to be reproducible when running my computer setup, at least. The likelihood of it being a Wine-specific error, though, is probably kinda small.

Quietust

2010-12-02 16:20

reporter   ~0014378

It's probably not keeping track of the index of the squad's current waypoint on their patrol, but just searching for the waypoint itself within the route to figure out where to go next (i.e. "Whether I came from B or D, I'm currently at C, and the path is A-B-C-D-C-B-A, so my destination is D"); thus, any patrol route that doubles back at any point would do this.

zupkuck

2014-08-04 14:52

reporter   ~0028316

I noticed this in a .34-era fort of mine that had re-used waypoints, will see if I can dig up the save. The patrolling dwarves would bug out and just walk back and forth between two points.

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Issue History

Date Modified Username Field Change
2010-12-02 07:33 Ogg the Blinky Sock New Issue
2010-12-02 07:53 user6 Note Added: 0014363
2010-12-02 07:54 user6 Summary Patrol routes implemented incorrectly. => Patrol routes don't work if they include the same waypoint multiple times
2010-12-02 15:54 Ogg the Blinky Sock Note Added: 0014377
2010-12-02 15:55 Ogg the Blinky Sock Tag Attached: route
2010-12-02 15:55 Ogg the Blinky Sock Tag Attached: patrol
2010-12-02 15:55 Ogg the Blinky Sock Tag Attached: waypoint
2010-12-02 16:20 Quietust Note Added: 0014378
2014-08-04 14:52 zupkuck Note Added: 0028316