/// <summary>
/// Initializes a new game session and starts loading the game.
/// </summary>
private void InitSession(GameParameter parameter)
{
if (currentSession != null)
{
throw new InvalidOperationException("Attempted to initialize a redundant game session.");
}
currentSession = currentModeService.GetSession(Screen, Dependency);
currentSession.SetParameter(parameter);
currentSession.InvokeHardInit();
}