bugFreeciv - Bugs: bug #20647, AI builds unneeded settlers in...

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bug #20647: AI builds unneeded settlers in late game

Submitted by:  None
Submitted on:  Mon Mar 25 16:57:05 2013  
Category: aiSeverity: 4 - Important
Priority: 5 - NormalStatus: None
Assigned to: NoneOriginator Email: -unavailable-
Open/Closed: OpenRelease: 2.3.4, 2.4.0-beta1
Operating System: AnyPlanned Release: 
Contains string changes: None

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Tue Mar 26 19:25:49 2013, comment #8:

I confirm i can't reproduce this behavior with trunk. I'll use it waiting for next beta. Thanks.

Tue Mar 26 01:37:01 2013, comment #7:

> In fact exact thing fixed in bug #19899 was something introduced
> in 2.4 development.

Oops; sorry for not spotting that.

> Seems like the problem has been resolved between beta1 and
> current head.

http://www.freeciv.org/wiki/NEWS-2.4.0-beta2#AI may have some clues... (release notes in gestation for yet-to-be-released beta2)
I vaguely wonder about bug #19815, although I haven't checked whether the specifics apply here.

Jacob Nevins <jtn>
Project Administrator
Mon Mar 25 20:48:09 2013, comment #6:

Also, there is plenty of uninhabited islands. So the bug seems to be in that for some reason they have not built ferries for the settlers, rather than building unneeded settlers.

Marko Lindqvist <cazfi>
Project Administrator
Mon Mar 25 20:40:33 2013, comment #5:

Tried the savegame in S2_4 head. In the savegame AIs are building settlers everywhere (and have quite a many settlers waiting). Advancing game one turn makes them to build everything but settlers. Seems like the problem has been resolved between beta1 and current head.

Marko Lindqvist <cazfi>
Project Administrator
Mon Mar 25 20:20:07 2013, comment #4:

I just reproduced this behaviour with 2.4.0-beta1 (see attached savegame).

(file #17541)

Mon Mar 25 18:24:08 2013, comment #3:

In fact exact thing fixed in bug #19899 was something introduced in 2.4 development. You are seeing some other problem in 2.3. I cannot say whether that is still present after ai settler rewrite for 2.4.

Marko Lindqvist <cazfi>
Project Administrator
Mon Mar 25 17:54:26 2013, comment #2:

Thanks for this quick answer.
I didn't noticed it was planned to 2.4.0 ; i'll try beta.

Mon Mar 25 17:28:31 2013, comment #1:

The fix for bug #19899 is only scheduled to appear in 2.4.0 (you can try it in 2.4.0-beta1), so it's not a surprise that the issue is still apparent in the latest stable release, 2.3.4. (I suspect the fix was considered too risky for a stable branch.)


Mon Mar 25 16:57:05 2013, original submission:

Hello !

This is related to bug #19899, which was fixed in July 2012, but imo is still broke in last stable release.

AI is building settler armies with no place left to settle.

I'm using default ruleset, and compiled freeciv from sources (linux).
See the attached savegame, where you can see those settler armies.

Ask me if you need more informations.
Thanks, bye.



(Note: upload size limit is set to 1024 kB, after insertion of the required escape characters.)

Attach File(s):

Attached Files
file #17541:  aiBugBeta.sav.bz2 added by None (34kB - application/x-bzip2)
file #17540:  aiBug.sav.bz2 added by None (82kB - application/x-bzip2 - savegame)


Depends on the following items: None found

Items that depend on this one: None found


Carbon-Copy List
  • -unavailable- added by jtn (Posted a comment)
  • -unavailable- added by cazfi (Posted a comment)
  • -unavailable- added by None (Submitted the item)

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    Follow 3 latest changes.

    Date Changed By Updated Field Previous Value => Replaced By
    Tue Mar 26 01:37:01 2013jtnRelease2.3.4=>2.3.4, 2.4.0-beta1
    Mon Mar 25 20:20:07 2013NoneAttached File-=>Added aiBugBeta.sav.bz2, #17541
    Mon Mar 25 16:57:05 2013NoneAttached File-=>Added aiBug.sav.bz2, #17540
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