/// <summary>
/// Event handler for when the Play Game menu entry is selected.
/// </summary>
void PlayGameMenuEntrySelected(object sender, EventArgs e)
{
GameStateManager.StartGame();
LoadingScreen.Load(ScreenManager, true, new TacticalScreen());
}
/// <summary>
/// Event handler for when the user selects ok on the "are you sure
/// you want to quit" message box. This uses the loading screen to
/// transition from the game back to the main menu screen.
/// </summary>
void ConfirmQuitMessageBoxAccepted(object sender, EventArgs e)
{
//GameManager.EndGame();
LoadingScreen.Load(ScreenManager, false, null, new BackgroundScreen(),
new MainMenuScreen());
}