public void Begin(RaceParameters param)
    {
      this.Parameters = param;
      this.Cars = new Car[8];
      this.game.track.Load(param.Name);
      foreach (PhysicsEntity entity in this.game.track.FindEntities("waypoint", true))
      {
        Prop prop = (Prop) entity;
        this.Waypoints.Add(new Waypoint()
        {
          Position = entity.Rigidbody.Position,
          Flags = (WaypointFlags) prop.Flags
        });
      }
      PhysicsEntity playerStart = this.FindPlayerStart();
      if (playerStart == null)
        Game.Current.Log.Print("Warning: No player start!");
      this.Cars[0] = new Car(this.game, this.game.PlayerProfile.Car.Name, false);
      this.Cars[0].Rigidbody.Position = playerStart.Rigidbody.Position;
      this.Cars[0].Rigidbody.Rotation = playerStart.Rigidbody.Rotation;
      PhysicsEntity[] entities = this.game.track.FindEntities("startMark");
      string[] carList = Car.GetCarList();
      this.carPositions = new int[entities.Length + 1];
      for (int index = 0; index < entities.Length; ++index)
      {
        this.carPositions[index] = index + 1;
        this.Cars[index + 1] = (Car) new AICar(this.game, this, carList[new Random(DateTime.Now.Millisecond).Next(0, carList.Length - 1)], false);
        this.Cars[index + 1].SetColor(Car.Colors[new Random(DateTime.Now.Millisecond + index).Next(0, Car.Colors.Length - 2)]);
        this.Cars[index + 1].Rigidbody.Position = entities[index].Rigidbody.Position;
        this.Cars[index + 1].Rigidbody.Rotation = entities[index].Rigidbody.Rotation;
        this.Cars[index + 1].PlayerName = RaceManager.Names[index];
      }
      this.isPlayerCarControllable = true;
    }