public OptionsState(StateContext context) : base(context)
{
InputMap.AddMapping(Terminal.TK_UP, ActionType.MoveUp);
InputMap.AddMapping(Terminal.TK_DOWN, ActionType.MoveDown);
InputMap.AddMapping(Terminal.TK_LEFT, ActionType.MoveLeft);
InputMap.AddMapping(Terminal.TK_RIGHT, ActionType.MoveRight);
InputMap.AddMapping(Terminal.TK_ENTER, ActionType.Activate);
var speedPicker = new Picker <GameSpeed>("Speed", HandleChangeSpeed);
speedPicker.AddOption("Slow", GameSpeed.Slow);
speedPicker.AddOption("Medium", GameSpeed.Medium);
speedPicker.AddOption("Fast", GameSpeed.Fast);
speedPicker.SelectOption(Context.Settings.Speed);
var themePicker = new Picker <PaletteId>("Palette", HandleChangeTheme);
themePicker.AddOption("Default", PaletteId.Default);
themePicker.AddOption("Monochrome", PaletteId.Monochrome);
themePicker.SelectOption(Context.Settings.PaletteId);
Menu = new Menu();
Menu.AddItem(themePicker);
Menu.AddItem(speedPicker);
Menu.AddItem(new Button("Return", () => RequestPopState()));
}