Function AIDoMemFrame

Descent3/AImain.cpp:6047–6106

}

void AIDoMemFrame(object *obj) {
  ai_frame *ai_info = obj->ai_info;
  ai_info->mem_time_till_next_update -= Frametime;

  if (ai_info->mem_time_till_next_update <= 0.0f) {
    int i;

    // Compute next analyze time
    ai_info->mem_time_till_next_update = 3.0f + (float)ps_rand() / (float)D3_RAND_MAX * 2.0f;

    // Do the amount of friends/enemies left and the current shields before running Freud
    int16_t near_objs[100];
    float dist = 100.0f;

    // chrishack -- there must be a better way...
    if (ai_info->coop_team * 300.0f > dist) {
      dist = ai_info->coop_team * 300.0f > dist;
    }

    int num_near = fvi_QuickDistObjectList(&obj->pos, obj->roomnum, dist, near_objs, 100, false, true, false, true);

    ai_info->memory[0].num_enemies = 0;
    ai_info->memory[0].num_friends = 0;

    for (i = 0; i < num_near; i++) {
      object *check_obj = &Objects[near_objs[i]];

      if (check_obj == obj)
        continue;

      if (AIObjEnemy(obj, check_obj))
        ai_info->memory[0].num_enemies++;
      else if (AIObjFriend(obj, check_obj))
        ai_info->memory[0].num_friends++;
    }

    ai_info->memory[0].shields = obj->shields;

    // Do emotions based on new data
    AIDoFreud(obj);

    // Move emotions through the stack
    for (i = AI_MEM_DEPTH - 1; i > 0; i--) {
      ai_info->memory[i] = ai_info->memory[i - 1];
    }

    // Reset the accumulators

    // These are imcremented as this memory time slice is active
    ai_info->memory[0].num_enemy_shots_dodged = 0;
    ai_info->memory[0].num_enemy_shots_fired = 0;
    ai_info->memory[0].num_hit_enemy = 0;
    ai_info->memory[0].num_times_hit = 0;

    // Dummy values, as these are computed at the end of the time frame (as seen above)
    ai_info->memory[0].shields = obj->shields;
    ai_info->memory[0].num_enemies = ai_info->memory[1].num_enemies;
    ai_info->memory[0].num_friends = ai_info->memory[1].num_friends;