/// <summary>
/// Helper for checking if a key was pressed during this update. The
/// controllingPlayer parameter specifies which player to read input for.
/// If this is null, it will accept input from any player. When a keypress
/// is detected, the output playerIndex reports which player pressed it.
/// </summary>
public bool IsKeyPressed(Keys key, PlayerIndex?controllingPlayer, out PlayerIndex playerIndex)
{
if (controllingPlayer.HasValue)
{
playerIndex = controllingPlayer.Value;
return(CurrentKeyboardStates.IsKeyDown(key));
}
else
{
// Accept input from any player.
return(IsKeyPressed(key, PlayerIndex.One, out playerIndex) ||
IsKeyPressed(key, PlayerIndex.Two, out playerIndex) ||
IsKeyPressed(key, PlayerIndex.Three, out playerIndex) ||
IsKeyPressed(key, PlayerIndex.Four, out playerIndex));
}
}
/// <summary>
/// Helper for checking if a key was newly pressed during this update. The
/// controllingPlayer parameter specifies which player to read input for.
/// If this is null, it will accept input from any player. When a keypress
/// is detected, the output playerIndex reports which player pressed it.
/// </summary>
public bool IsNewKeyPress(Keys key, PlayerIndex?controllingPlayer, out PlayerIndex playerIndex)
{
if (controllingPlayer.HasValue)
{
// Read input from the specified player.
playerIndex = controllingPlayer.Value;
return(CurrentKeyboardStates.IsKeyDown(key) && LastKeyboardStates.IsKeyUp(key));
}
else
{
// Accept input from any player.
return(IsNewKeyPress(key, PlayerIndex.One, out playerIndex) ||
IsNewKeyPress(key, PlayerIndex.Two, out playerIndex) ||
IsNewKeyPress(key, PlayerIndex.Three, out playerIndex) ||
IsNewKeyPress(key, PlayerIndex.Four, out playerIndex));
}
}