/// <summary>
/// Attacks the specified target.
/// </summary>
/// <param name="target">The target.</param>
/// <returns>
/// <c>true</c> if successful, <c>false</c> if not.
/// </returns>
public override bool Attack(Position target)
{
if (base.Attack(target))
{
this.firstMove = false;
return true;
}
return false;
}
/// <summary>
/// Initializes a new instance of the <see cref="Bishop"/> class.
/// </summary>
/// <param name="color">The piece color.</param>
/// <param name="gameboard">The gameboard.</param>
/// <param name="position">The starting position.</param>
public Bishop(IPieceColor color, Gameboard gameboard, Position position)
: base(color, gameboard, position)
{
if (color == IPieceColor.Black)
{
this.Image = (Brush)App.Current.FindResource("BlackBishop");
}
else if (color == IPieceColor.White)
{
this.Image = (Brush)App.Current.FindResource("WhiteBishop");
}
this.Gameboard.MovePiece(position, this);
}
/// <summary>
/// Initializes a new instance of the <see cref="Pawn"/> class.
/// </summary>
/// <param name="color">The piece color.</param>
/// <param name="gameboard">The gameboard.</param>
/// <param name="position">The starting position.</param>
public Pawn(IPieceColor color, Gameboard gameboard, Position position)
: base(color, gameboard, position)
{
if (color == IPieceColor.Black)
{
this.Image = (Brush)App.Current.FindResource("BlackPawn");
}
else if (color == IPieceColor.White)
{
this.Image = (Brush)App.Current.FindResource("WhitePawn");
}
this.firstMove = true;
this.Gameboard.MovePiece(position, this);
}
/// <summary>
/// Initializes a new instance of the <see cref="ChessPiece"/> class.
/// </summary>
/// <param name="color">The piece color.</param>
/// <param name="gameboard">The gameboard.</param>
/// <param name="position">The starting position.</param>
public ChessPiece(IPieceColor color, Gameboard gameboard, Position position)
: base(color, gameboard, position)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="King"/> class.
/// </summary>
/// <param name="color">The piece color.</param>
/// <param name="gameboard">The gameboard.</param>
/// <param name="position">The starting position.</param>
public King(IPieceColor color, Gameboard gameboard, Position position)
: base(color, gameboard, position)
{
this.SetImage(color);
this.Gameboard.MovePiece(position, this);
}
/// <summary>
/// Initializes a new instance of the <see cref="PieceBase"/> class.
/// </summary>
/// <param name="color">The piece color.</param>
/// <param name="gameboard">The gameboard.</param>
/// <param name="position">The starting position.</param>
public PieceBase(IPieceColor color, Gameboard gameboard, Position position)
{
this.color = color;
this.gameboard = gameboard;
this.position = position;
}
/// <summary>
/// Moves the piece to the destination.
/// </summary>
/// <param name="destination">The destination.</param>
/// <param name="ignoreMoveOptions">if set to <c>true</c> ignores move options.</param>
/// <returns>
/// <c>true</c> if successful, <c>false</c> if not.
/// </returns>
protected virtual bool MoveTo(Position destination, bool ignoreMoveOptions)
{
bool ret = false;
if (ignoreMoveOptions || this.MoveOptions.Contains(destination))
{
this.Gameboard.MovePiece(destination, this);
this.position = destination;
ret = true;
}
return ret;
}
/// <summary>
/// Moves the piece to the destination.
/// </summary>
/// <param name="destination">The destination.</param>
/// <returns>
/// <c>true</c> if successful, <c>false</c> if not.
/// </returns>
public virtual bool MoveTo(Position destination)
{
return this.MoveTo(destination, false);
}
/// <summary>
/// Attacks the specified target.
/// </summary>
/// <param name="target">The target.</param>
/// <returns>
/// <c>true</c> if successful, <c>false</c> if not.
/// </returns>
public virtual bool Attack(Position target)
{
bool ret = false;
if (this.AttackOptions.Contains(target))
{
this.Gameboard.Figures[target].Die(this);
ret = this.MoveTo(target, true);
}
return ret;
}
/// <summary>
/// Moves the piece to the destination.
/// </summary>
/// <param name="destination">The destination.</param>
/// <returns>
/// <c>true</c> if successful, <c>false</c> if not.
/// </returns>
public override bool MoveTo(Position destination)
{
if (base.MoveTo(destination))
{
this.firstMove = false;
return true;
}
return false;
}
/// <summary>
/// Initializes a new instance of the <see cref="Position"/> struct. Copy constructor.
/// </summary>
/// <param name="pt">The source position.</param>
public Position(Position pt)
{
this.x = pt.X;
this.y = pt.Y;
}
/// <summary>
/// Calculates the distance between this position and <paramref name="position"/>.
/// </summary>
/// <param name="position">The position.</param>
/// <returns>The distance between the two positions.</returns>
public double DistanceFromPosition(Position position)
{
return Math.Sqrt(
Math.Pow((this.X - position.X), 2) +
Math.Pow((this.Y - position.Y), 2));
}
/// <summary>
/// Calculates the distance between <paramref name="position1"/> and <paramref name="position2"/>.
/// </summary>
/// <param name="position1">The first position.</param>
/// <param name="position2">The second position.</param>
/// <returns>The distance between the two positions.</returns>
public static double DistanceBetweenPositions(Position position1, Position position2)
{
return Math.Sqrt(
Math.Pow((position1.X - position2.X), 2) +
Math.Pow((position1.Y - position2.Y), 2));
}
/// <summary>
/// Attacks the specified target.
/// </summary>
/// <param name="target">The target.</param>
/// <returns>
/// <c>true</c> if successful, <c>false</c> if not.
/// </returns>
public override bool Attack(Position target)
{
bool ret = false;
if (this.AttackOptions.Contains(target))
{
this.Gameboard.Figures[target].Die(this);
target = (2 * (target - this.Position)) + this.Position;
ret = this.MoveTo(target, true);
}
return ret;
}
/// <summary>
/// Moves the piece to the destination.
/// </summary>
/// <param name="destination">The destination.</param>
/// <param name="ignoreMoveOptions">if set to <c>true</c> ignores move options.</param>
/// <returns>
/// <c>true</c> if successful, <c>false</c> if not.
/// </returns>
protected override bool MoveTo(Position destination, bool ignoreMoveOptions)
{
bool ret = base.MoveTo(destination, ignoreMoveOptions);
if (ret)
{
if ((this.Color == IPieceColor.White && destination.Y == 0) ||
(this.Color == IPieceColor.Black && destination.Y == 7))
{
this.NotifyOfGameEvent(this, GameEventType.Crowned);
}
}
return ret;
}