/// <summary>
/// Gets the state of the Zune input allowing for flicks and taps.
/// </summary>
/// <param name="gameTime">The current time snapshot</param>
/// <returns>The new ZunePadState object.</returns>
public static ZunePadState GetState(GameTime gameTime)
{
GamePadState gps = GamePad.GetState(PlayerIndex.One, GamePadDeadZone.None);
Vector2 flick = Vector2.Zero;
bool tapped = false;
if (gps.Buttons.LeftStick == ButtonState.Pressed && !zps.IsTouched)
{
flickStart = gps.ThumbSticks.Left;
flickStartTime = gameTime.TotalGameTime;
}
else if (gps.Buttons.LeftStick == ButtonState.Released && zps.IsTouched)
{
flick = zps.TouchPosition - flickStart;
TimeSpan elapsed = gameTime.TotalGameTime - flickStartTime;
//scale the flick based on how long it took
flick /= (float)elapsed.TotalSeconds;
//adjust the .5 and .3 to fit your sensitivity needs. .5 and .3 seem
//to be pretty decent, but they might need tweaking for some situations
tapped = (flick.Length() < .5f && elapsed.TotalSeconds < .3f);
flickStart = Vector2.Zero;
}
zps = new ZunePadState(gps, flick, tapped);
return(zps);
}
/// <summary>
/// Gets the state of the Zune input without flicks or taps.
/// </summary>
/// <returns>The new ZunePadState object.</returns>
public static ZunePadState GetState()
{
GamePadState gps = GamePad.GetState(PlayerIndex.One, GamePadDeadZone.None);
zps = new ZunePadState(gps, Vector2.Zero, false);
return(zps);
}
/// <summary>
/// Allows the game to run logic such as updating the world,
/// checking for collisions, gathering input, and playing audio.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
protected override void Update(GameTime gameTime)
{
// get the current gamepad state
ZunePadState zunePadState = ZunePad.GetState(gameTime);
// see what was pressed before and what the new state is, toggling states accordingly
bool backKey = (oldZunePadState.BackButton == ButtonState.Pressed) && (zunePadState.BackButton == ButtonState.Released);
bool playKey = (oldZunePadState.PlayButton == ButtonState.Pressed) && (zunePadState.PlayButton == ButtonState.Released);
bool selectKey = (oldZunePadState.SelectButton == ButtonState.Pressed) && (zunePadState.SelectButton == ButtonState.Released);
bool upKey = (oldZunePadState.DPad.Up == ButtonState.Pressed) && (zunePadState.DPad.Up == ButtonState.Released);
bool downKey = (oldZunePadState.DPad.Down == ButtonState.Pressed) && (zunePadState.DPad.Down == ButtonState.Released);
bool rightKey = (oldZunePadState.DPad.Right == ButtonState.Pressed) && (zunePadState.DPad.Right == ButtonState.Released);
bool leftKey = (oldZunePadState.DPad.Left == ButtonState.Pressed) && (zunePadState.DPad.Left == ButtonState.Released);
// capture the current state and store it for the next loop
oldZunePadState = zunePadState;
// stop the player and exit the app
if (backKey)
{
MediaPlayer.Stop();
this.Exit();
}
// pressing play will toggle the music (and set a flag to show it was a manual selected state)
// if a track is currently playing, pause it
// if it was paused, allow it to resume
// if the player was stopped, play the collection
else if (playKey)
{
if (MediaPlayer.State == MediaState.Playing)
{
MediaPlayer.Pause();
wasPausePressed = true;
}
else if (MediaPlayer.State == MediaState.Paused)
{
MediaPlayer.Resume();
wasPausePressed = false;
}
else
{
if (songCollection == null)
{
SetNextAlbum();
}
MediaPlayer.Play(songCollection);
}
}
// select simply moves to the next disc
else if (selectKey)
{
StopStartPlay();
}
// adjust the current app's volume (not that device)
else if ((upKey) || (zunePadState.Flick.Y > FlickLength))
{
MediaPlayer.Volume = MediaPlayer.Volume + 0.02f;
}
// adjust the current app's volume (not that device)
else if ((downKey) || (zunePadState.Flick.Y < -FlickLength))
{
MediaPlayer.Volume = MediaPlayer.Volume - 0.02f;
}
// if there IS another track on the current album go to it
// if there isn't, jump to the next track
else if ((rightKey) || (zunePadState.Flick.X > FlickLength))
{
if (MediaPlayer.State != MediaState.Stopped)
{
if (IsLastSong())
{
StopStartPlay();
}
else
{
MediaPlayer.MoveNext();
}
}
}
// if less than five seconds on the current track has been played, move back a the track
// more than five seconds, restart the track
else if ((leftKey) || (zunePadState.Flick.X < -FlickLength))
{
if (MediaPlayer.State != MediaState.Stopped)
{
if (MediaPlayer.PlayPosition.TotalSeconds <= 5)
{
MediaPlayer.MovePrevious();
}
else
{
// Restart this song
int index = MediaPlayer.Queue.ActiveSongIndex;
MediaPlayer.Stop();
MediaPlayer.Play(songCollection, index);
}
}
}
// update all of the visual fields
TimeSpan remainingTime;
switch (MediaPlayer.State)
{
case MediaState.Playing:
currentState = "";
currentElapsedTime = String.Format("{0,2:00}:{1,2:00}", MediaPlayer.PlayPosition.Minutes, MediaPlayer.PlayPosition.Seconds);
remainingTime = MediaPlayer.Queue.ActiveSong.Duration - MediaPlayer.PlayPosition;
currentRemianingTime = String.Format("-{0,2:00}:{1,2:00}", remainingTime.Minutes, remainingTime.Seconds);
currentSong = MediaPlayer.Queue.ActiveSong.Name;
currentTrack = String.Format("Track: {0,2:00} of {1,2:00}", MediaPlayer.Queue.ActiveSongIndex + 1, MediaPlayer.Queue.Count);
break;
case MediaState.Paused:
if ((!wasPausePressed) && (MediaPlayer.PlayPosition.TotalSeconds == 0))
{
StopStartPlay();
break;
}
currentState = "-- paused --";
currentElapsedTime = String.Format("{0,2:00}:{1,2:00}", MediaPlayer.PlayPosition.Minutes, MediaPlayer.PlayPosition.Seconds);
remainingTime = MediaPlayer.Queue.ActiveSong.Duration - MediaPlayer.PlayPosition;
currentRemianingTime = String.Format("-{0,2:00}:{1,2:00}", remainingTime.Minutes, remainingTime.Seconds);
currentSong = MediaPlayer.Queue.ActiveSong.Name;
currentTrack = String.Format("Track: {0,2:00} of {1,2:00}", MediaPlayer.Queue.ActiveSongIndex + 1, MediaPlayer.Queue.Count);
break;
default:
currentState = "-- stopped --";
currentElapsedTime = "00:00";
currentRemianingTime = "-00:00";
break;
}
currentVolume = String.Format("Vol: {0,2:00.0}", MediaPlayer.Volume * 10.0f);
// required call
base.Update(gameTime);
}