/// <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)
{
KeyboardState state = Keyboard.GetState();
// Quit the game if Escape is pressed.
if (state.IsKeyDown(Keys.Escape))
{
Exit();
}
if (state.IsKeyDown(Keys.M)
& !previousState.IsKeyDown(Keys.M))
{
MuteUnmuteSound();
previousState = state;
return;
}
// Start the game if Space is pressed.
if (!gameStarted)
{
if (state.IsKeyDown(Keys.Space)
& !previousState.IsKeyDown(Keys.Space))
{
PrepareNewGame();
}
previousState = state;
return;
}
if (firstHand && (p1Hand.GetNumCardsInHand() == p2Hand.GetNumCardsInHand()) &&
p1Hand.GetNumCardsInHand() == 2)
{
UpdateScore(p1Hand, "p1");
UpdateScore(p2Hand, "p2");
CheckForWinner();
firstHand = false;
}
if (winner != "")
{
if (state.IsKeyDown(Keys.Space)
& !previousState.IsKeyDown(Keys.Space))
{
int i;
// explicitly turn the cards to back face
for (i = 0; i < p1Hand.GetNumCardsInHand(); i++)
{
p1Hand.GetCard(i).setTurned(false);
}
for (i = 0; i < p2Hand.GetNumCardsInHand(); i++)
{
p2Hand.GetCard(i).setTurned(false);
}
gameOver = true;
spaceDown = false;
PrepareNewGame();
}
else
{
var timer = (float)gameTime.ElapsedGameTime.TotalSeconds;
cpuHandAction.Update(timer);
}
previousState = state;
return;
}
if (isAskingToDraw)
{
if (state.IsKeyDown(Keys.S)
& !previousState.IsKeyDown(Keys.S))
{
// P1: draw a new card from the deck
Card drawn = m_deck.RemoveLast();
drawn.setTurned(true);
p1Hand.AddCard(drawn);
p1HasDrawn = true;
}
if (state.IsKeyDown(Keys.N)
& !previousState.IsKeyDown(Keys.N))
{
p1HasDrawn = false;
isAskingToDraw = false;
}
}
// update the score
UpdateScore(p1Hand, "p1");
// the cpu could draw too
if (isAskingToDraw && p1HasDrawn)
{
if (CpuHasToDraw())
{
// CPU: draw a new card from the deck
Card drawn = m_deck.RemoveLast();
p2Hand.AddCard(drawn);
}
p1HasDrawn = false;
}
else
{
if (!isAskingToDraw && !cpuHasStopped)
{
if (CpuHasToDraw())
{
// CPU: draw a new card from the deck
Card drawn = m_deck.RemoveLast();
drawn.setTurned(false);
p2Hand.AddCard(drawn);
}
}
}
UpdateScore(p2Hand, "p2");
if (!isAskingToDraw && ((scoreP2 >= scoreP1) || (scoreP1 >= 20)))
{
cpuHasStopped = true;
}
CheckForWinner();
previousState = state;
base.Update(gameTime);
}