[Freeciv-Dev] Re: [Wishlist] Attitude manager (agent and AI)

[Raimar Falke <hawk@xxxxxxxxxxxxxxxxxxxxxxx>]

On Mon, Mar 04, 2002 at 12:11:28PM +0000, Gregory Berkolaiko wrote:
> This is related to an earlier email by Raimar.  He was talking about
> displaying the effect a building like Marketplace would have.  Well,
> Marketplace is an easy one to estimate for anyone (incl. AI) who knows
> about the notion of "percent".  But the effect of, say, Cathedral, is more
> involved.

Maybe you have misunderstood me. I don't want to do something like
  gold_of_marketplace = gold_multiplicator * base_gold
I want to do something like
  memcpy(backup, pcity);
  pcity->improvements[i]=1;
  refresh_city(pcity);
  y = create_diff(backup, pcity);
  memcpy(pcity, backup);

The first will lead to code duplication. The second will also work if
the code doesn't know about the latest effect.

In general I would a function like:
  k = get_diff(pcity, B_MARKETPLACE, GOLD);
would be ok. It doesn't matter how it is implemented.

> So I would suggest the following extension to the CMA: once the
> target multipliers are set, you should be able to evaluate the
> effect of building a happiness-related improvement.  It would output
> (for user) the increase in surpluses you'd be able to get (maybe
> minus the cost of the upkeep).  And for AI you just need to combine
> the values of increases multiplied by their _WEIGHTINGs

I don't know how this relates to CMA and I don't know what target
multipliers you mean.

        Raimar

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