|
public Evaluate ( InputState state, System |
||
| state | InputState | The InputState to test for the action. |
| controllingPlayer | System |
The player to test, or null to allow any player. |
| player | PlayerIndex | If controllingPlayer is null, this is the player that performed the action. |
| return | bool | |
/// <summary>
/// Responds to user input, accepting or cancelling the message box.
/// </summary>
public override void HandleInput(GameTime gameTime, InputState input)
{
PlayerIndex playerIndex = default(PlayerIndex);
// We pass in our ControllingPlayer, which may either be null (to
// accept input from any player) or a specific index. If we pass a null
// controlling player, the InputState helper returns to us which player
// actually provided the input. We pass that through to our Accepted and
// Cancelled events, so they can tell which player triggered them.
if (menuSelect.Evaluate(input, ControllingPlayer, ref playerIndex))
{
// Raise the accepted event, then exit the message box.
if (Accepted != null)
{
Accepted(this, new PlayerIndexEventArgs(playerIndex));
}
ExitScreen();
}
else if (menuCancel.Evaluate(input, ControllingPlayer, ref playerIndex))
{
// Raise the cancelled event, then exit the message box.
if (Cancelled != null)
{
Cancelled(this, new PlayerIndexEventArgs(playerIndex));
}
ExitScreen();
}
}
/// <summary>
/// Responds to user input, changing the selected entry and accepting
/// or cancelling the menu.
/// </summary>
public override void HandleInput(GameTime gameTime, InputState input)
{
// For input tests we pass in our ControllingPlayer, which may
// either be null (to accept input from any player) or a specific index.
// If we pass a null controlling player, the InputState helper returns to
// us which player actually provided the input. We pass that through to
// OnSelectEntry and OnCancel, so they can tell which player triggered them.
PlayerIndex playerIndex = default(PlayerIndex);
// Move to the previous menu entry?
if (menuUp.Evaluate(input, ControllingPlayer, ref playerIndex))
{
selectedEntry -= 1;
if (selectedEntry < 0)
{
selectedEntry = m_menuEntries.Count - 1;
}
}
// Move to the next menu entry?
if (menuDown.Evaluate(input, ControllingPlayer, ref playerIndex))
{
selectedEntry += 1;
if (selectedEntry >= m_menuEntries.Count)
{
selectedEntry = 0;
}
}
if (menuSelect.Evaluate(input, ControllingPlayer, ref playerIndex))
{
OnSelectEntry(selectedEntry, playerIndex);
}
else if (menuCancel.Evaluate(input, ControllingPlayer, ref playerIndex))
{
OnCancel(playerIndex);
}
}