private void ProcessOpponentShipyardAction(string shipyardId, CardCodename cardCodename)
{
// card needs to be instantiated
Shipyard shipyard = (Shipyard)CardFactory.CreateCard(cardCodename, shipyardId);
GameViewController.AddShipyard(shipyard, false);
// spend the resources
_game.Opponent.ChangeClicks(-1);
_game.Opponent.ChangeCredits(-shipyard.BaseCost);
_game.Opponent.Hand.RemoveAt(0);
_game.Opponent.Shipyards.Add(shipyard);
// log
GameViewController.AddGameLogMessage(string.Format("<b>{0}</b> plays {1}", _game.Opponent.Name, shipyard.CardName));
}