void sub_step()

in coinrun/coinrun.cpp [1225:1274]

• 43 lines of code
• 11 McCabe index (conditional complexity)

  void sub_step(float _vx, float _vy)
  {
    float ny = y + _vy;
    float nx = x + _vx;

    if (_vy < 0 && !maze->has_vertical_space(x, ny, false)) {
      y = int(ny) + 1;
      support = true;
      vy = 0;

    } else if (_vy < 0 && !maze->has_vertical_space(x, ny, true)) {
      if (action_dy >= 0 && int(ny)!=int(y)) {
        y = int(ny) + 1;
        vy = 0;
        support = true;
      } else {  // action_dy < 0, come down from a crate
        support = false;
        y = ny;
      }

    } else if (_vy > 0 && !maze->has_vertical_space(x, ny + 1, false)) {
      y = int(ny);
      while (!maze->has_vertical_space(x, y, false)) {
        y -= 1;
      }
      vy = 0;

    } else {
      y = ny;
    }

    int ix = int(x);
    int iy = int(y);
    int inx = int(nx);

    if (_vx < 0 && is_wall(maze->get_elem(inx, iy)) ) {
      vx = 0;
      x = int(inx) + 1;
    } else if (_vx > 0 && is_wall(maze->get_elem(inx + 1, iy))) {
      vx = 0;
      x = int(inx);
    } else {
      x = nx;
    }

    eat_coin(ix, iy);
    eat_coin(ix, iy+1);
    eat_coin(ix+1, iy);
    eat_coin(ix+1, iy+1);
  }