aitraits.c

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/***********************************************************************
 Freeciv - Copyright (C) 1996 - A Kjeldberg, L Gregersen, P Unold
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2, or (at your option)
   any later version.
 
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
***********************************************************************/
 
#ifdef HAVE_CONFIG_H
#include <fc_config.h>
#endif
 
/* utility */
#include "mem.h"
#include "rand.h"
 
/* common */
#include "game.h"
#include "nation.h"
#include "player.h"
#include "traits.h"
 
#include "aitraits.h"
 
/**********************************************************************/
void ai_traits_init(struct player *pplayer)
{
  enum trait tr;
 
  pplayer->ai_common.traits = fc_realloc(pplayer->ai_common.traits,
                                         sizeof(struct ai_trait) * TRAIT_COUNT);
 
  for (tr = trait_begin(); tr != trait_end(); tr = trait_next(tr)) {
    int min = pplayer->nation->server.traits[tr].min;
    int max = pplayer->nation->server.traits[tr].max;
 
    switch (game.server.trait_dist) {
    case TDM_FIXED:
      pplayer->ai_common.traits[tr].val = pplayer->nation->server.traits[tr].fixed;
      break;
    case TDM_EVEN:
      pplayer->ai_common.traits[tr].val = fc_rand(max + 1 - min) + min;
      break;
    }
    pplayer->ai_common.traits[tr].mod = 0;
  }
}
 
/**********************************************************************/
void ai_traits_close(struct player *pplayer)
{
  free(pplayer->ai_common.traits);
  pplayer->ai_common.traits = nullptr;
}
 
/**********************************************************************/
int ai_trait_get_value(enum trait tr, struct player *pplayer)
{
  int val = pplayer->ai_common.traits[tr].val + pplayer->ai_common.traits[tr].mod;
 
  /* Clip so that value is at least 1, and maximum is
   * TRAIT_DEFAULT_VALUE as many times as TRAIT_DEFAULT value is
   * minimum value of 1 ->
   * minimum is default / TRAIT_DEFAULT_VALUE,
   * maximum is default * TRAIT_DEFAULT_VALUE */
  val = CLIP(1, val, TRAIT_MAX_VALUE);
 
  return val;
}