private Card?FindCardInSpot(Spot targetSpot)
{
//note: 2 cards should never share an identical spot
foreach (CardPanel cPanel in GetAllCardPanels())
{
Card c = cPanel.GetCard();
if (c.GetSpot().GetPile() == targetSpot.GetPile() && c.GetSpot().GetHeight() == targetSpot.GetHeight() &&
c.GetSpot().GetColumn() == targetSpot.GetColumn())
{
return(c);
}
}
//if no card in target spot then return null
return(null);
}
private void MoveCardToLocation(object sender, EventArgs e)
{
const int cardPanelSplitFactor = 3;
Point dest;
CardPanel cardPanelToMove = (CardPanel)sender;
Card cardToMove = cardPanelToMove.GetCard();
if (_heldCardPanel != null && _followerCardPanels.Contains(cardPanelToMove))
{
dest = new Point(_heldCardPanel.Location.X,
_heldCardPanel.Location.Y + (_followerCardPanels.IndexOf(cardPanelToMove) + 1) * CardSize.Height /
cardPanelSplitFactor);
}
else
{
switch (cardToMove.GetSpot().GetPile())
{
case Card.Pile.Stock:
dest = _stockMarker.Location;
break;
case Card.Pile.Waste:
dest = _wasteMarker.Location;
break;
case Card.Pile.Tableau:
dest = _tableauMarkers[cardToMove.GetSpot().GetColumn() - 1].Location;
dest.Y += (cardToMove.GetSpot().GetHeight() - 1) * CardSize.Height / cardPanelSplitFactor;
break;
case Card.Pile.Foundation:
dest = _foundationMarkers[(int)cardToMove.GetSuite() - 1].Location;
break;
default:
dest = new Point(0, 0);
break;
}
}
cardPanelToMove.Location = dest;
cardPanelToMove.BringToFront();
}
private void CardDroppedByPlayer(ref CardPanel cardPanelMoved, bool isFollower)
{
List <Spot> possibleSpots = GeneratePossibleSpots(cardPanelMoved.GetCard());
bool invalidDrop = true;
foreach (Spot s in possibleSpots)
{
//other card is one below where the new card will be if checks complete successfully
Card?otherCard = FindCardInSpot(new Spot(s.GetPile(), s.GetHeight() - 1, s.GetColumn()));
if (otherCard != null)
{
CardPanel?otherCardPanel = FindCardPanelByCard(otherCard);
if (otherCardPanel != null)
{
if (CheckForCardPanelOverlap(cardPanelMoved, otherCardPanel))
{
//valid move
Spot oldSpot = cardPanelMoved.GetCard().GetSpot();
cardPanelMoved.GetCard().SetSpot(s);
invalidDrop = false;
//adds one move if top of cards being moved
if (!isFollower)
{
Moves += 1;
}
Card topOfOldSpot = FindTopCardInPile(oldSpot);
if (topOfOldSpot.GetSpot().GetPile() == Card.Pile.Tableau && !topOfOldSpot.IsMarker)
{
//reveals card under card moved
topOfOldSpot.SetFaceUp();
}
MoveMade(oldSpot, s);
break;
}
}
}
}
if (invalidDrop)
{
cardPanelMoved.UpdateLocation(cardPanelMoved, null);
}
}