[Freeciv-Dev] Re: [RFC] Path finding interface
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On Wed, 10 Apr 2002, Raimar Falke wrote:
> On Wed, Apr 10, 2002 at 06:33:54PM +0100, Gregory Berkolaiko wrote:
> > On Wed, 10 Apr 2002, Raimar Falke wrote:
> >
> > > On Wed, Apr 10, 2002 at 05:38:55PM +0100, Gregory Berkolaiko wrote:
> > > > On Wed, 10 Apr 2002, Raimar Falke wrote:
> > > >
> > > > either I am very confused or you propose to return the whole path to
> > > > each
> > > > new accessible destination but you don't use anything but the last
> > > > position. Doesn't make any sense to me...
> > >
> > > Yes it returns a whole path. We may shorten this to one position if
> > > this get speed. I made it this way to be consistent with the
> > > pf_get_path_from_map.
> >
> > yes. to get path (if you know you want it), just call the get_path
> > function.
>
> Possible. But this is an performance thing and I can't estimate the
> gain of it. So I would rather defer it till it gets measurable.
>
> > > > > > > provide provide iterators not only for one step but also for
> > > > > > > multiple
> > > > > > > targets. Just thing of this example: you have a settler which want
> > > > > > > itself to add to some city. You have the start position and
> > > > > > > multiple
> > > > > > > destinations on the same continent. You don't have to calculate
> > > > > > > all
> > > > > > > costs to reach all tiles of the continent. You may use the simple
> > > > > > > iterator but pf_get_path_from_map will do this for you.
> > > > > >
> > > > > > how will get_path do it?
> > > > >
> > > > > pf_get_path_from_map is an optimized version of:
> > > > >
> > > > > forever:
> > > > > path=pf_get_next_path_from_map
> > > > > if !path.is_valid:
> > > > > return path
> > > > > if LAST_POS(path) == destination:
> > > > > return path
> > > >
> > > > that doesn't answer the question.
> > > > do you propose to stuff a list of destinations into pf_get_path ?
> > > > or supply it with a is_final_destination callback?
> > >
> > > void pf_get_path_from_map(pf_map_t map, int dest_x, int dest_y,
> > > struct pf_path *path);
> > >
> > > So the user just specify the destination by a map position.
> >
> > Let's concentrate.
> > We are talking about multiple destinations which are fx cities or ports,
> > or maybe even huts (location as yet unknown). you say
> > pf_get_path_from_map will handle it. How?
>
> The player knows is own cities?! Or doesn't it?
Allied cities? Without shared vision?
(Apologies if this is inapplicable; I've only halfway been following this
thread).
--Daniel Speyer
If you *don't* consider sharing information to be morally equivalent to
kidnapping and murder on the high seas, you probably shouldn't use the
phrase "software piracy."
> Come on it should be
> clear that the function can only be called with a valid position that
> the caller knows.
>
> Raimar
>
> --
> email: rf13@xxxxxxxxxxxxxxxxx
> "Heuer's Law: Any feature is a bug unless it can be turned off."
>
>
- [Freeciv-Dev] Re: [RFC] Path finding interface, (continued)
- [Freeciv-Dev] Re: [RFC] Path finding interface, Gregory Berkolaiko, 2002/04/10
- [Freeciv-Dev] Re: [RFC] Path finding interface, Raimar Falke, 2002/04/10
- [Freeciv-Dev] Re: [RFC] Path finding interface, Gregory Berkolaiko, 2002/04/10
- [Freeciv-Dev] Re: [RFC] Path finding interface, Raimar Falke, 2002/04/10
- [Freeciv-Dev] Re: [RFC] Path finding interface, Gregory Berkolaiko, 2002/04/10
- [Freeciv-Dev] Re: [RFC] Path finding interface, Raimar Falke, 2002/04/10
- [Freeciv-Dev] Re: [RFC] Path finding interface, Gregory Berkolaiko, 2002/04/10
- [Freeciv-Dev] Re: [RFC] Path finding interface, Raimar Falke, 2002/04/10
- [Freeciv-Dev] Re: [RFC] Path finding interface,
Daniel L Speyer <=
- Message not available
- [Freeciv-Dev] Re: [RFC] Path finding interface, Ross W. Wetmore, 2002/04/11
[Freeciv-Dev] Re: [RFC] Path finding interface, Gregory Berkolaiko, 2002/04/09
- [Freeciv-Dev] Re: [RFC] Path finding interface, Raimar Falke, 2002/04/10
- [Freeciv-Dev] Re: [RFC] Path finding interface, Gregory Berkolaiko, 2002/04/10
- [Freeciv-Dev] Re: [RFC] Path finding interface, Raimar Falke, 2002/04/10
- [Freeciv-Dev] Re: [RFC] Path finding interface, Gregory Berkolaiko, 2002/04/10
- [Freeciv-Dev] Re: [RFC] Path finding interface, Raimar Falke, 2002/04/10
- [Freeciv-Dev] Re: [RFC] Path finding interface, Gregory Berkolaiko, 2002/04/10
- [Freeciv-Dev] Re: [RFC] Path finding interface, Raimar Falke, 2002/04/10
- [Freeciv-Dev] Re: [RFC] Path finding interface, Gregory Berkolaiko, 2002/04/10
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