private void UpdateInput()
{
InputTwinState state = Game.InputState;
Menu.Update(this);
Menu.HandleInput(this);
}
public IEnumerator <InputTwinState> InputIterator()
{
InputState previous = new InputState();
InputTwinState twinState = null;
StringBuilder textBuffer = new StringBuilder();
Window.TextInput += (sender, e) =>
{
textBuffer.Append(e.Character);
};
while (true)
{
var keyboard = Keyboard.GetState();
var mouse = Mouse.GetState();
var gamepad = GamePad.GetState(0);
InputState next = new InputState(keyboard, mouse, gamepad, textBuffer.ToString());
twinState = new InputTwinState(previous, next, twinState);
twinState.HandleRepeats();
textBuffer.Clear();
yield return(twinState);
previous = next;
}
}
public static Point?GetDirectionPressed(this IDictionary <Keys, Point> map, InputTwinState state, int repeatStart, int repeatStep)
{
if (map.Any(x => state.IsKeyPressed(x.Key, repeatStart, repeatStep)))
{
return(GetDirectionDown(map, state));
}
return(null);
}
public static Point?GetDirectionNumpadPressed(InputTwinState state, int repeatStart, int repeatStep)
{
var result = NumpadKeys.Where(x => state.IsKeyPressed(x.Key, repeatStart, repeatStep)).Select(x => x.Value);
if (result.Count() == 1)
{
return(result.Single());
}
return(null);
}
public static Point?GetDirectionNumpadDown(InputTwinState state)
{
var result = NumpadKeys.Where(x => state.IsKeyDown(x.Key)).Select(x => x.Value);
if (result.Count() == 1)
{
return(result.Single());
}
return(null);
}
public static int?GetNumberPressed(this IDictionary <Keys, int> map, InputTwinState state, int repeatStart, int repeatStep)
{
var result = map.Where(x => state.IsKeyPressed(x.Key, repeatStart, repeatStep)).Select(x => x.Value);
if (result.Count() == 1)
{
return(result.Single());
}
return(null);
}
public static int?GetNumberDown(this IDictionary <Keys, int> map, InputTwinState state)
{
var result = map.Where(x => state.IsKeyDown(x.Key)).Select(x => x.Value);
if (result.Count() == 1)
{
return(result.Single());
}
return(null);
}
public InputTwinState(InputState previous, InputState next, InputTwinState old)
{
Previous = previous;
Next = next;
if (old != null)
{
KeyRepeats = old.KeyRepeats;
ButtonRepeats = old.ButtonRepeats;
}
else
{
KeyRepeats = new Dictionary <Keys, KeyRepeat>();
ButtonRepeats = new Dictionary <Buttons, KeyRepeat>();
}
}
public static Point?GetDirectionDown(this IDictionary <Keys, Point> map, InputTwinState state)
{
var shift = state.IsKeyDown(Keys.LeftShift);
var result = map.Where(x => state.IsKeyDown(x.Key)).Select(x => x.Value);
if (result.Count() < 2 && shift)
{
return(null);
}
var direction = result.Aggregate(Point.Zero, (a, b) => a + b);
if (direction == Point.Zero)
{
return(null);
}
return(direction);
}