[Freeciv-Dev] Re: (PR#4387) The Return of the Rand() Moves

["Raimar Falke" <rf13@xxxxxxxxxxxxxxxxx>]

On Wed, Jun 11, 2003 at 04:17:39AM -0700, Gregory Berkolaiko wrote:
> 
> On Tue, 10 Jun 2003, Raimar Falke wrote:
> 
> > On Tue, Jun 10, 2003 at 09:37:32AM -0700, Per I. Mathisen wrote:
> > > 
> > > On Tue, 10 Jun 2003, Raimar Falke wrote:
> > > > > Unfortunately, I really don't see a way of computing the real average 
> > > > > time
> > > > > in PF.
> > > >
> > > > To clarify this: it is easy to calculate the weighted cost of a single
> > > > step if you have a "concrete" state (turn and moves left are
> > > > integers). However after the first step such you don't have this. You
> > > > have something like (turn=0,moves_left=1.47). So it is hard/imopssible
> > > > to calculate the weighted cost of the next step.
> > > 
> > > I've gone back and reread the debate about rand() movement. I think it is
> > > time to remove rand() moves. Clearly pf does not handle it as effortlessly
> > > as it was advertised back then and which was part of the reason why the
> > > debate died off.
> > 
> > No if the only reason is that it is hard to implement. The current PF
> > works very good with the current move model. Chris has a point that it
> > can be made better but this is just the top notch which is missing
> > here. And I think the outlines implementation (which is optimal in all
> > cases except maybe danger) isn't this hard.
> 
> I couldn't disagree stronger! 
> 
>   Chris' examples that random movement rules are inherently troublesome.

> The outline implementation will be a nightmare to implement and maintain,

Can I convince you that this isn't the case if I code the implementation?

> will slow the PF down significantly

That is true. I'm not sure about the "significantly" but it will be
slower. If you want exacter data you have to pay the price. The same
is true for the trireme.

> and will not satsify all users either.

You have to outline this.

        Raimar

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