// given a card, see if any of the home piles will accept it
protected CardContainer FindHome(Card cardToMove)
{
// the home that will allow the card
CardContainer home = null;
if (cardToMove != null)
{
// determine potential home, based on suit
switch (cardToMove.Suit)
{
case Card.SUITS.Spade:
home = m_HomeSpade;
break;
case Card.SUITS.Club:
home = m_HomeClub;
break;
case Card.SUITS.Diamond:
home = m_HomeDiamond;
break;
case Card.SUITS.Heart:
home = m_HomeHeart;
break;
}
// the top card in the selected home pile
Card cardToHost = home.TopCard;
// the rank of the card that is moving
int rankMove = (int)cardToMove.Rank;
if (cardToHost != null)
{
// see if the cards have the proper ranks
int rankHost = (int)cardToHost.Rank;
if (rankHost != rankMove - 1)
{
home = null;
}
}
else
{
// player may be trying to move an ace home
if (rankMove != (int)Card.RANKS.Ace)
{
home = null;
}
}
}
// return our findings
return home;
}
// receive a new card into this container
public void AcceptCard(Card card)
{
if (card != null)
{
m_Cards.Add(card);
}
}
// populate the main deck
public void FillMainDeck()
{
if (Texture == null)
{
// the texture MUST be loaded before this method is called
// this method inspects the texture to determine the locations
// of each card, card back, and the cursor images
throw new Exception("Card.Texture must be set before SolitareGame.Init is called.");
}
// helper variables to save some typing
int w = Texture.Width;
int h = Texture.Height;
float dx = Card.CardSize.X;
float dy = Card.CardSize.Y;
// current position in the texture
float x = 0;
float y = 0;
// for each suit
for (int suit = 0; suit < 4; suit++)
{
// for each rank
for (int rank = 0; rank < 13; rank++)
{
// create and configure a new card instance
Card card = new Card();
card.TextureRect = new Rectangle((int)x, (int)y, (int)dx, (int)dy);
card.IsFaceUp = false;
card.Rank = (Card.RANKS)rank;
card.Suit = (Card.SUITS)suit;
// add the new card to the deck
m_Deck.AcceptCard(card);
// determine where the next card image will be
x += dx;
if (x > w || x + dx > w)
{
y += dy;
x = 0;
}
}
}
// beyond the 52 standard cards, there are 14 other "card" images
for (int back = -2; back < 12; back++)
{
if (back == -2)
{
// the black joker image
Card.TextureRectBlackJoker = new Rectangle((int)x, (int)y, (int)dx, (int)dy);
}
else if (back == -1)
{
// the red joker image
Card.TextureRectRedJoker = new Rectangle((int)x, (int)y, (int)dx, (int)dy);
}
else if (back == 10)
{
// the "no card here" image
Card.TextureRectEmpty = new Rectangle((int)x, (int)y, (int)dx, (int)dy);
}
else if (back == 11)
{
// the card cursor, split into four seperate images
int cw = Card.CURSOR_SIZE;
int ch = Card.CURSOR_SIZE;
Card.TextureRectCursorNW = new Rectangle((int)x, (int)y, cw, ch);
Card.TextureRectCursorNE = new Rectangle((int)x + (int)dx - Card.CURSOR_SIZE, (int)y, cw, ch);
Card.TextureRectCursorSE = new Rectangle((int)x + (int)dx - Card.CURSOR_SIZE, (int)y + (int)dy - Card.CURSOR_SIZE, cw, ch);
Card.TextureRectCursorSW = new Rectangle((int)x, (int)y + (int)dy - Card.CURSOR_SIZE, cw, ch);
}
else
{
// one of the 10 card back images
CardBack.AddTextureRect(new Rectangle((int)x, (int)y, (int)dx, (int)dy));
}
// determine the location of the next card image
x += dx;
if (x > w || x + dx > w)
{
y += dy;
x = 0;
}
}
}