[freeciv-ai] Re: (PR#10110) AI underestimates Temples

["Per I. Mathisen" <per@xxxxxxxxxxx>]

<URL: http://rt.freeciv.org/Ticket/Display.html?id=10110 >

On Tue, 14 Sep 2004, Jason Short wrote:
> Mateusz Stefek wrote:
> > I got this feeling by watching a game where AI was building Granaries
> > and Aqueducts in cities ofsize 5, but it never builded a Temple.

A lot of fine tuning of this code is necessary. Thanks for providing
feedback - a lot of that is needed.

>  v += pcity->ppl_unhappy[0] * amount;
>
> This needs to take into account the production of a citizen. See
> best_worker_tile_value().

Yes, I am working (slowly, certainly not in time for release) on general
code to evaluate happy/content/growth effects. In the meantime, if you
have some code that works better, feel free to post it.

> It also needs to check if there are actually any elvises: it doesn't
> help to build a temple if one isn't needed, even if there are some
> unhappy people.

Good point.

> Of course this is hard since you're not allowed to check SP_ELVIS.

Why are we not allowed to check SP_ELVIS??

> So you either have to guess or do a full recalculation of the city, I
> think.

Full recalc is out.

> However neither of these is possible for "other" cities. But still
> there we need to guess at the average bonus, rather than just assuming
> it to be 1. Probably you can find an average_tile_value() function
> somewhere and use that, or maybe divide it by 2.

We can iterate through all cities first, calculate some want for
happy/content buildings, and store it in pcity->ai.contentwant or
something.

> > Granary:
> >     case EFT_GROWTH_FOOD:
> >       v += c * 4 + 25;
> >       break;
>
> 4 is arbitrary; this should be commented.
>
> +25 is meaningless and bad I think...

This is all arbitrary, and there is no comment that will make it
meaningful more than /* this seems to work */. I can see if I can come up
with some better code.

  - Per