/// <summary>
/// Polls all the controllers looking for the specified predicate to be true. The
/// first controller matching the predicate is assigned to Controller.
/// </summary>
/// <param name="poll">The predicate to test.</param>
/// <returns>True if a controller was selected; otherwise, false.</returns>
public bool FindActiveController(PollIsDown poll)
{
for (PlayerIndex p = PlayerIndex.One; p <= PlayerIndex.Four; p++)
{
GamePadState state = PollState(0f, p);
if (poll(state))
{
Controller = p;
return(true);
}
}
return(false);
}
/// <summary>
/// Registers a control state to be updated every frame.
/// </summary>
/// <param name="control">The control state to update.</param>
/// <param name="pollFn">The polling function to update the control with.</param>
public void Register(ControlState control, PollIsDown pollFn)
{
_stateCtrls.Add(control, pollFn);
}