private void KeyboardSelection(KeyboardState keyboardState)
{
if (Interactables.Count > 0)
{
//If no interactable has been selected, select the first one:
if (kb_selectedInteractable == null && keyboardState.GetPressedKeys().Length > 0)
{
kb_selectedInteractable = Interactables[0];
kb_selectedInteractable.Select();
return;
}
if (keyboardState.IsKeyDown(Keys.Up) || keyboardState.IsKeyDown(Keys.Tab))
{
int nextIndex = Interactables.IndexOf(kb_selectedInteractable) - 1;
if (nextIndex < 0)
{
nextIndex = Interactables.Count - 1;
}
//Only deselect the current interactable if it's not currently selected by the mouse.
if (kb_selectedInteractable != ms_selectedInteractable)
{
kb_selectedInteractable.Deselect();
}
kb_selectedInteractable = Interactables[nextIndex];
kb_selectedInteractable.Select();
}
else if (keyboardState.IsKeyDown(Keys.Down) || (keyboardState.IsKeyDown(Keys.Tab) && keyboardState.IsKeyDown(Keys.LeftShift)))
{
int nextIndex = Interactables.IndexOf(kb_selectedInteractable) + 1;
if (nextIndex >= Interactables.Count)
{
nextIndex = 0;
}
//Only deselect the current interactable if it's not currently selected by the mouse.
if (kb_selectedInteractable != ms_selectedInteractable)
{
kb_selectedInteractable.Deselect();
}
kb_selectedInteractable = Interactables[nextIndex];
kb_selectedInteractable.Select();
}
//Keyboard selection callback:
if (kb_selectCallbacks != null)
{
kb_selectCallbacks.SetArguments(kb_selectedInteractable);
kb_selectCallbacks.Invoke();
}
}
}
