public void UpdateForNewPosition()
{
const int duration = 400;
this.UpdatePieceSizes();
Storyboard animation = new Storyboard();
animation.Duration = TimeSpan.FromMilliseconds(duration + 25);
this.Resources.Add("tmpTimline" + this.currentAnimation++, animation);
for (int i = 0; i < this.position.PieceList.Length; i++)
{
byte oldPieceLocation = 0xFF;
if (this.oldPieceList != null)
{
oldPieceLocation = this.oldPieceList[i];
}
byte newPieceLocation = this.position.PieceList[i];
Piece oldPiece = oldPieceLocation != 0xFF ? this.pieces[this.oldBoard[oldPieceLocation]] : null;
Piece newPiece = newPieceLocation != 0xFF ? this.pieces[this.position.Board[newPieceLocation]] : null;
if (oldPieceLocation != newPieceLocation)
{
if (newPieceLocation == 0xFF)
{
// Piece was captured
DoubleAnimation opacityAnimation = new DoubleAnimation();
Storyboard.SetTarget(opacityAnimation, oldPiece);
Storyboard.SetTargetProperty(opacityAnimation, new PropertyPath("Opacity"));
opacityAnimation.Duration = TimeSpan.FromMilliseconds(duration);
opacityAnimation.To = 0;
animation.Children.Add(opacityAnimation);
}
else if (oldPieceLocation == 0xFF)
{
// Piece was created (game reset, undo)
DoubleAnimation opacityAnimation = new DoubleAnimation();
Storyboard.SetTarget(opacityAnimation, newPiece);
Storyboard.SetTargetProperty(opacityAnimation, new PropertyPath("Opacity"));
opacityAnimation.Duration = TimeSpan.FromMilliseconds(duration);
opacityAnimation.To = 1;
Grid.SetRow(newPiece, SquareHelper.GetRow(newPieceLocation));
Grid.SetColumn(newPiece, SquareHelper.GetColumn(newPieceLocation));
animation.Children.Add(opacityAnimation);
}
else
{
if (oldPiece == newPiece)
{
// Piece just moved
Grid.SetRow(newPiece, SquareHelper.GetRow(newPieceLocation));
Grid.SetColumn(newPiece, SquareHelper.GetColumn(newPieceLocation));
DoubleAnimation yAnimation = new DoubleAnimation();
Storyboard.SetTarget(yAnimation, ((TransformGroup)newPiece.RenderTransform).Children[0]);
Storyboard.SetTargetProperty(yAnimation, new PropertyPath("Y"));
yAnimation.Duration = TimeSpan.FromMilliseconds(duration);
yAnimation.From = (SquareHelper.GetRow(oldPieceLocation) - SquareHelper.GetRow(newPieceLocation)) * 100;
yAnimation.To = 0;
animation.Children.Add(yAnimation);
DoubleAnimation xAnimation = new DoubleAnimation();
Storyboard.SetTarget(xAnimation, ((TransformGroup)newPiece.RenderTransform).Children[0]);
Storyboard.SetTargetProperty(xAnimation, new PropertyPath("X"));
xAnimation.Duration = TimeSpan.FromMilliseconds(duration);
xAnimation.From = (SquareHelper.GetColumn(oldPieceLocation) - SquareHelper.GetColumn(newPieceLocation)) * 100;
xAnimation.To = 0;
animation.Children.Add(xAnimation);
}
else
{
// Promotion
DoubleAnimation opacityAnimation = new DoubleAnimation();
Storyboard.SetTarget(opacityAnimation, newPiece);
Storyboard.SetTargetProperty(opacityAnimation, new PropertyPath("Opacity"));
opacityAnimation.Duration = TimeSpan.FromMilliseconds(duration);
opacityAnimation.To = 1;
Grid.SetRow(newPiece, SquareHelper.GetRow(newPieceLocation));
Grid.SetColumn(newPiece, SquareHelper.GetColumn(newPieceLocation));
animation.Children.Add(opacityAnimation);
opacityAnimation = new DoubleAnimation();
Storyboard.SetTarget(opacityAnimation, oldPiece);
Storyboard.SetTargetProperty(opacityAnimation, new PropertyPath("Opacity"));
opacityAnimation.Duration = TimeSpan.FromMilliseconds(duration);
opacityAnimation.To = 0;
animation.Children.Add(opacityAnimation);
}
}
}
else
{
// TODO: what should be done here?
}
}
// Workaround layout bug.
this.LayoutRoot.Width--;
this.LayoutRoot.Height++;
animation.Completed += this.OnAnimationCompleted;
animation.Begin();
this.oldBoard = new List <byte>(this.position.Board);
this.oldPieceList = new List <byte>(this.position.PieceList);
this.oldPieces = new List <Piece>(this.pieces);
}
public void OnSquareClicked(int row, int column)
{
int square = SquareHelper.MakeSquare(row, column);
List <ushort> validMoves = this.position.GenerateValidMoves();
if (validMoves.Count == 0)
{
return;
}
if (this.previousSquareSelected == -1)
{
// Select a square
if (this.position.Board[square] != Pieces.Empty)
{
if ((this.position.Board[square] & 0x8) == position.ToMove)
{
this.squares[row][column].Highlight = true;
this.previousSquareSelected = square;
// this.StatusText = "Select square to move to";
}
else
{
// this.StatusText = String.Format("You must select a {0} piece", position.ToMove == Pieces.White ? "White" : "Red");
}
}
}
else if (this.previousSquareSelected == square)
{
// Deselect the square
this.squares[row][column].Highlight = false;
this.previousSquareSelected = -1;
// this.StatusText = "Select piece to move";
}
else
{
// Find a move
int from = this.previousSquareSelected;
int to = square;
ushort validMove = 0;
foreach (ushort move in validMoves)
{
if (MoveHelper.From(move) == from &&
MoveHelper.To(move) == to)
{
validMove = move;
}
}
if (validMove == 0)
{
// this.StatusText = "Invalid move!";
return;
}
this.squares[SquareHelper.GetRow(from)][SquareHelper.GetColumn(from)].Highlight = false;
this.previousSquareSelected = -1;
if (this.UserMove != null)
{
this.UserMove(validMove);
}
}
}