[kde-community] Request to join the Kde incubator for GCompris

Inge Wallin inge at lysator.liu.se
Fri Feb 14 13:12:03 UTC 2014


On Friday, February 14, 2014 00:28:38 Bruno Coudoin wrote:
> Le 13/02/2014 23:17, Aaron J. Seigo a écrit :
> > On Thursday, February 13, 2014 22:54:12 Bruno Coudoin wrote:
> >> Anyway another approach is needed here for the new version.
> > 
> > Knights, a chess program written with KDE libraries, has an XBoardProtocol
> > class (GPLv2+ licensed) that speaks to gnuchess. It does this over
> > stdout/stderr which isn’t awesome as you note, but it exists and could
> > perhaps be shared.
> > 
> > It is part of a larger set of classes in the src/proto/ directory. The
> > classes in proto/ look fairly well self-contained (a single QObject class
> > hierarchy) so could be turned into a library with a little bit of effort.
> > Perhaps Knights and Gcompris could share this bit of code to at least
> > share the load of breakage?
> > 
> > The project page for Knights is here:
> > 	https://projects.kde.org/projects/extragear/games/knights
> 
> Hi,
> 
> Thanks for the information. Depending on an external binary proved to be
> a mess for the portability between the distro and annoying extra work on
> Windows and MacOSX. To see if GCompris works after a port all I do is
> check if the chess activity works because it is more than often broken.
> 
> Now if we add the tablets into the mix, I am much more reluctant to rely
> on an external binary. An option would be to see if we cannot find and
> integrate a small chess engine. One important feature I also like to
> have is a weak chess engine that the children can beat (and myself).

I am currently working on a board game AI library for kde games. The only 
thing you have to do to use it is to write a class representing a chess 
position, a move generator and an evaluation function and plug it in.  (...and 
wait for me to finish, which should take a month or two) [1]

Those classes should be pretty easy to get from another chess engine, 
especially if weakness is more important than strength. :)

Btw, this is KDE and we love plugins.  Do you have a plugin API for GCompris?  
If not, that would even make it possible for 3rd parties to create 
activites...

	-Inge

[1] http://quickgit.kde.org/?p=scratch%2Fingwa%2Flibkdeai.git

> We have the same issue with the electricity activity which relies on
> gnucap but it proved more stable over time.
> 
> Bruno.
> 
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