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[freeciv-ai] Re: Improved AI govt evaluation

[freeciv-ai] Re: Improved AI govt evaluation

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To: Freeciv AI development <freeciv-ai@xxxxxxxxxxx>
Subject: [freeciv-ai] Re: Improved AI govt evaluation
From: Gregory Berkolaiko <Gregory.Berkolaiko@xxxxxxxxxxxx>
Date: Sun, 22 Dec 2002 19:49:25 +0000 (GMT)

On Sat, 21 Dec 2002, Per I. Mathisen wrote:

> This patch should improve AI's evaluation of Democracy and Communism, and
> handling of Democracy. Most importantly, it moves changing taxes _after_
> changing government. Also adds the possibility of rather detailed view on
> exactly what you get with the various governments - change #undef ANALYSE
> to #define ANALYSE to see this data.
> Thanks to Pille for comments on the weights used.
>   - Per

Here is the same patch with a slight modification: capped the usefullness 
of the city by 0 if it has food or shield deficit:

int ai_eval_calc_city(struct city *pcity, struct ai_data *ai)
  int i = (pcity->food_surplus * ai->food_priority
           + pcity->shield_surplus * ai->shield_priority
           + pcity->luxury_total * ai->luxury_priority
           + pcity->tax_total * ai->gold_priority
           + pcity->science_total * ai->science_priority
           + pcity->ppl_happy[4] * ai->happy_priority
           - pcity->ppl_unhappy[4] * ai->unhappy_priority
           - pcity->ppl_angry[4] * ai->angry_priority
           - pcity->pollution * ai->pollution_priority);
  if (pcity->food_surplus < 0 || pcity->shield_surplus < 0) {
    /* The city is unmaintainable, it can't be good */
    i = MIN(i, 0);

  return i;

I will commit the patch soon unless discontent citizens prevent me from 
doing so.


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