/// <summary>
/// Initialize the <see cref="TableauPile"/>s.
/// </summary>
private void InitializeTableauPiles()
{
tableauPiles = new TableauPile[TableauPileCount];
float tableauPilePositionY = GetTableauPileStartPositionY();
float cardTextureWidth = Card.GetTexture(CardSuit.Clubs, CardRank.Ace).Width;
// The width of all the tableau piles (including spacing).
float fullWidth = cardTextureWidth * tableauPiles.Length + TableauPileHorizontalSpacing * (tableauPiles.Length - 1);
// The amount of pixels to offset each tableau pile such that they are horizontally centered.
float centreOffsetX = 0.5f * (MainGame.GameScreenWidth - fullWidth);
for (int i = 0; i < tableauPiles.Length; i++)
{
float positionX = centreOffsetX + i * (cardTextureWidth + TableauPileHorizontalSpacing);
// The height of the tableau card area, in pixels.
float height = MainGame.GameScreenHeight - tableauPilePositionY - TableauPileBottomPadding;
tableauPiles[i] = new TableauPile(new RectangleF(positionX, tableauPilePositionY, cardTextureWidth, height), height);
}
}
/// <summary>
/// Handle the card selection input.
/// </summary>
private void HandleCardSelection()
{
if (!Input.GetMouseButtonDown(MouseButton.Left))
{
return;
}
// A card is a "middle tableau" if it is not the top card.
bool isMiddleTableauCardSelected = false;
bool isMiddleTableauPortionSelected = false;
TableauPile selectedTableauPile = null;
if (CurrentSelection?.CardPile is TableauPile)
{
selectedTableauPile = (TableauPile)CurrentSelection.CardPile;
isMiddleTableauCardSelected = CurrentSelection.Card != CurrentSelection.CardPile.Peek();
isMiddleTableauPortionSelected = selectedTableauPile.SelectedPortion.Contains(CurrentSelection.Card) &&
!selectedTableauPile.SelectedPortion.Contains(selectedTableauPile.Peek());
}
// Check if we clicked on a card in a tableau pile
foreach (TableauPile tableauPile in tableauPiles)
{
Card card = tableauPile.GetCardFromPoint(Input.MousePosition);
// If the card is null, we didn't click on this tableau pile.
if (card == null)
{
continue;
}
bool selectedPortionCard = false;
if (selectedTableauPile != null)
{
selectedPortionCard = selectedTableauPile.SelectedPortion.Contains(card);
}
// If we have a "middle tableau" card selected and we clicked on it again, let's deselect it.
// OR if our "middle" tableau card is in a portion and we select another card in that portion
// (i.e. we treat portions in the middle of a tableau pile as one card in terms of selection).
if (isMiddleTableauCardSelected && card == CurrentSelection.Card || isMiddleTableauPortionSelected && selectedPortionCard)
{
CurrentSelection = null;
return;
}
// If we were previously selecting a tableau pile, cache it so we can update it.
TableauPile oldTableauPile = null;
if (CurrentSelection?.CardPile is TableauPile pile)
{
oldTableauPile = pile;
}
// Store our previous selection state so we can play the correct sound effect.
CardSelectionInformation previousSelection = CurrentSelection;
CurrentSelection = new CardSelectionInformation(card, tableauPile);
oldTableauPile?.UpdateSelection(tableauPile == oldTableauPile);
tableauPile.UpdateSelection(true);
// Play the primary sound effect if we selected the top card AND if this is our first card selection
if (tableauPile.Peek() == card && previousSelection == null)
{
cardSelectPrimarySoundEffect.Play();
}
else
{
cardSelectSecondarySoundEffect.Play();
}
return;
}
// Check if we clicked on a free cell
foreach (FreeCell freeCell in freeCells)
{
if (!freeCell.Contains(Input.MousePosition))
{
continue;
}
// Store our previous selection state so we can play the correct sound effect.
CardSelectionInformation previousSelection = CurrentSelection;
// If we have selected a non-top card in a tableau pile, clicking on an empty free cell shouldn't change the selection.
if (isMiddleTableauCardSelected && freeCell.Empty)
{
return;
}
if (freeCell.Empty)
{
return;
}
CurrentSelection = new CardSelectionInformation(freeCell.Value, freeCell);
// Play if this is our first card selection
if (previousSelection == null)
{
cardSelectPrimarySoundEffect.Play();
}
else
{
cardSelectSecondarySoundEffect.Play();
}
return;
}
// If we have selected a non-top card in a tableau pile, clicking on a foundation pile shouldn't change the selection.
bool isSelectingFoundationPile = foundationPiles.Any(foundationPile => foundationPile.Contains(Input.MousePosition));
if (isSelectingFoundationPile && isMiddleTableauCardSelected)
{
return;
}
// At this point, we are just clicking on an empty space.
CurrentSelection = null;
selectedTableauPile?.UpdateSelection(false);
}