void remove_traces_add_monsters()

in coinrun/coinrun.cpp [623:673]

• 45 lines of code
• 22 McCabe index (conditional complexity)

  void remove_traces_add_monsters()
  {
    maze->monsters.clear();
    for (int y=1; y<maze->h; ++y) {
      for (int x=1; x<maze->w-1; x++) {
        int& c = maze->get_elem(x, y);
        int& b = maze->get_elem(x, y-1);
        int cl = maze->get_elem(x-1, y);
        int cr = maze->get_elem(x+1, y);

        if (c==' ' && randn(20)==0 && !is_wall(b) && y>2) {
          maze->set_elem(x, y, FLYING_MONSTER);
        } else if (c==' ') {
          maze->set_elem(x, y, SPACE);
        }
        if ((c=='a' || c=='b') && is_wall(b))
          c = 'S';
        if (is_wall(c) && is_wall(b))
          b = 'A';
        if (c==FLYING_MONSTER || c==WALKING_MONSTER || c==SAW_MONSTER) {
          std::shared_ptr<Monster> m(new Monster);
          m->x = x;
          m->y = y;
          for (int t=0; t<MONSTER_TRAIL; t++) {
            m->prev_x[t] = x;
            m->prev_y[t] = y;
          }
          m->is_flying = c==FLYING_MONSTER;
          m->is_walking = c==WALKING_MONSTER;

          std::vector<int> *type_theme_idxs;

          if (m->is_flying) {
            type_theme_idxs = &flying_theme_idxs;
          } else if (m->is_walking) {
            type_theme_idxs = &walking_theme_idxs;
          } else {
            type_theme_idxs = &ground_theme_idxs;
          }

          int chosen_idx = randn(type_theme_idxs->size());
          m->theme_n = (*type_theme_idxs)[chosen_idx];

          c = SPACE;

          if (!m->is_walking || (!is_wall(cl) && !is_wall(cr))) // walking monster should have some free space to move
            maze->monsters.push_back(m);
        }
      }
    }
  }