/// <summary>
/// Helper constructor that creates a new chess board based off of a Fen string.
/// </summary>
/// <param name="fenBoard">The Fen string that represents the board.</param>
public ChessBoard(string fenBoard)
{
Profiler.AddToMainProfile((int)ProfilerMethodKey.ChessBoard_ctor_string);
Board = new ChessPiece[NumberOfRows, NumberOfColumns];
FromFenBoard(fenBoard);
}
/// <summary>
/// Constructor that creates a new ChessMove object based on two ChessLocations and a ChessFlag
/// </summary>
/// <param name="from">From ChessLocation</param>
/// <param name="to">To ChessLocation</param>
/// <param name="flag">The ChessFlag to create the move with.</param>
public ChessMove(ChessLocation from, ChessLocation to, ChessFlag flag)
{
Profiler.AddToMainProfile((int)ProfilerMethodKey.ChessMove_ctor_ChessLocation_ChessLocation_ChessFlag);
From = from;
To = to;
Flag = flag;
ToStringPrefix = string.Empty;
}
/// <summary>
/// Creates a string that shows the describes the chess move.
/// </summary>
/// <returns>The description string.</returns>
public override string ToString()
{
Profiler.AddToMainProfile((int)ProfilerMethodKey.ChessMove_ToString);
string moveText = string.Empty;
if (this.From == null)
{
moveText += "The Move's From field was null. ";
}
else
{
if (!this.From.IsValid)
{
moveText += "The Move's From field was outside the bounds of the board coordinates. ";
}
}
if (this.To == null)
{
moveText += "The Move's To field was null. ";
}
else
{
if (!this.To.IsValid)
{
moveText += "The Move's To field was outside the bounds of the board coordinates. ";
}
}
if (this.From == this.To)
{
moveText += "The Move's From and To fields are equal. ";
}
if ((moveText != string.Empty) && (this.Flag != ChessFlag.NoFlag))
{
moveText += "Flag: " + this.Flag.ToString();
}
else
{
moveText = ToStringPrefix + "From: [" + this.From.X + ", " + this.From.Y + "] To: [" + this.To.X + ", " + this.To.Y + "] ";
if (this.Flag != ChessFlag.NoFlag)
{
moveText += "Flag: " + this.Flag.ToString();;
}
}
moveText.TrimEnd();
return(moveText);
}
/// <summary>
/// Gets or sets the piece on the board in a specified location; 0,0 is the upper left hand corner of the board.
/// </summary>
/// <param name="x">Column of the desired piece location</param>
/// <param name="y">Row of the desired piece location</param>
/// <returns>ChessPiece</returns>
public ChessPiece this[int x, int y]
{
get
{
Profiler.AddToMainProfile((int)ProfilerMethodKey.ChessBoard_get_Indexer_int_int);
return(Board[x, y]);
}
set
{
Profiler.AddToMainProfile((int)ProfilerMethodKey.ChessBoard_set_Indexer_int_int);
Board[x, y] = value;
}
}
/// <summary>
/// Gets or sets the piece on the board in a specified location; 0,0 is the upper left hand corner of the board.
/// </summary>
/// <param name="location">Location of the desired piece</param>
/// <returns>ChessPiece</returns>
public ChessPiece this[ChessLocation location]
{
get
{
Profiler.AddToMainProfile((int)ProfilerMethodKey.ChessBoard_get_ChessLocationIndexer);
return(this[location.X, location.Y]);
}
set
{
Profiler.AddToMainProfile((int)ProfilerMethodKey.ChessBoard_set_ChessLocationIndexer);
this[location.X, location.Y] = value;
}
}
public static bool operator ==(ChessMove move1, ChessMove move2)
{
Profiler.AddToMainProfile((int)ProfilerMethodKey.ChessMove_EQ);
if ((((object)move1) == null) && (((object)move2) == null))
{
return(true);
}
if (((object)move1) == null)
{
return(false);
}
return(move1.Equals(move2));
}
private ChessPiece[,] CloneBoard(ChessPiece[,] board)
{
Profiler.AddToMainProfile((int)ProfilerMethodKey.ChessBoard_CloneBoard_ChessPieceArray);
ChessPiece[,] retBoard = new ChessPiece[NumberOfRows, NumberOfColumns];
for (int Y = 0; Y < NumberOfRows; Y++)
{
for (int X = 0; X < NumberOfColumns; X++)
{
retBoard[X, Y] = board[X, Y];
}
}
return(retBoard);
}
public static bool operator==(ChessLocation lhs, ChessLocation rhs)
{
Profiler.AddToMainProfile((int)ProfilerMethodKey.ChessLocation_EQ);
if (((object)lhs == null) &&
((object)rhs == null))
{
return(true);
}
if (((object)lhs == null) ||
((object)rhs == null))
{
return(false);
}
return(lhs.Equals(rhs));
}
/// <summary>
/// Create a ChessMove exactly like this one.
/// </summary>
/// <returns>The cloned move</returns>
public ChessMove Clone()
{
Profiler.AddToMainProfile((int)ProfilerMethodKey.ChessMove_Clone);
ChessMove newMove = new ChessMove(null, null);
if (this.To != null)
{
newMove.To = this.To.Clone();
}
if (this.From != null)
{
newMove.From = this.From.Clone();
}
newMove.ValueOfMove = this.ValueOfMove;
newMove.Flag = this.Flag;
return(newMove);
}
/// <summary>
/// Executes a move on the ChessBoard.
/// </summary>
/// <param name="move">The move to execute.</param>
public void MakeMove(ChessMove move)
{
Profiler.AddToMainProfile((int)ProfilerMethodKey.ChessBoard_MakeMove_ChessMove);
if (move.IsBasicallyValid)
{
// Handle Queening
if ((this[move.From] == ChessPiece.WhitePawn) && (move.From.Y == 1) && (move.To.Y == 0))
{
this[move.To] = ChessPiece.WhiteQueen;
}
else if ((this[move.From] == ChessPiece.BlackPawn) && (move.From.Y == 6) && (move.To.Y == 7))
{
this[move.To] = ChessPiece.BlackQueen;
}
else
{
this[move.To] = this[move.From];
}
this[move.From] = ChessPiece.Empty;
}
}
public override bool Equals(object obj)
{
Profiler.AddToMainProfile((int)ProfilerMethodKey.ChessLocation_Equals);
if (obj == null)
{
return(false);
}
if (!(obj is ChessLocation))
{
return(false);
}
ChessLocation tmpLoc = (ChessLocation)obj;
if ((this.X == tmpLoc.X) &&
(this.Y == tmpLoc.Y))
{
return(true);
}
return(false);
}
public override bool Equals(object obj)
{
Profiler.AddToMainProfile((int)ProfilerMethodKey.ChessMove_Equals);
if (obj == null)
{
return(false);
}
if (!(obj is ChessMove))
{
return(false);
}
ChessMove move2 = (ChessMove)obj;
if (this.Flag != move2.Flag)
{
return(false);
}
if ((this.From != move2.From) || (this.To != move2.To))
{
return(false);
}
return(true);
}
/// <summary>
/// Accepts a full Fen board and sets the ChessBoard object to that state.
/// </summary>
/// <param name="fenBoard">The Fen string</param>
public void FromFenBoard(string fenBoard)
{
Profiler.AddToMainProfile((int)ProfilerMethodKey.ChessBoard_FromFenBoard_string);
string[] lines = fenBoard.Split(' ')[0].Split('/');
int spaces = 0;
for (int y = 0; y < ChessBoard.NumberOfRows; ++y)
{
for (int x = 0; x < ChessBoard.NumberOfColumns; ++x)
{
this[x, y] = ChessPiece.Empty;
}
}
ChessPiece piece = ChessPiece.Empty;
for (int y = 0; y < ChessBoard.NumberOfRows; ++y)
{
for (int x = 0, boardCol = 0; x < lines[y].Length; ++x, ++boardCol)
{
if (Char.IsDigit(lines[y][x]))
{
spaces = Convert.ToInt32(lines[y][x]) - 48;
boardCol += spaces - 1;
}
else
{
switch (lines[y][x])
{
case 'r':
piece = ChessPiece.BlackRook;
break;
case 'n':
piece = ChessPiece.BlackKnight;
break;
case 'b':
piece = ChessPiece.BlackBishop;
break;
case 'q':
piece = ChessPiece.BlackQueen;
break;
case 'k':
piece = ChessPiece.BlackKing;
break;
case 'p':
piece = ChessPiece.BlackPawn;
break;
case 'K':
piece = ChessPiece.WhiteKing;
break;
case 'Q':
piece = ChessPiece.WhiteQueen;
break;
case 'R':
piece = ChessPiece.WhiteRook;
break;
case 'B':
piece = ChessPiece.WhiteBishop;
break;
case 'N':
piece = ChessPiece.WhiteKnight;
break;
case 'P':
piece = ChessPiece.WhitePawn;
break;
default:
throw new Exception("Invalid FEN board");
}
this[boardCol, y] = piece;
}
}
}
}
/// <summary>
/// Creates a complete copy of this object and returns it.
/// </summary>
/// <returns>The ChessLocation copy.</returns>
public ChessLocation Clone()
{
Profiler.AddToMainProfile((int)ProfilerMethodKey.ChessLocation_Clone);
return(new ChessLocation(this.X, this.Y));
}
/// <summary>
/// Creates a ChessLocation object
/// </summary>
/// <param name="x">Column number. Ranges 0 - 7</param>
/// <param name="y">Row number. Ranges from 0 - 7</param>
public ChessLocation(int x, int y)
{
Profiler.AddToMainProfile((int)ProfilerMethodKey.ChessLocation_ctor_int_int);
X = x;
Y = y;
}
public override int GetHashCode()
{
Profiler.AddToMainProfile((int)ProfilerMethodKey.ChessLocation_GetHashCode);
return(X * 10 + Y);
}
public static bool operator !=(ChessLocation lhs, ChessLocation rhs)
{
Profiler.AddToMainProfile((int)ProfilerMethodKey.ChessLocation_NE);
return(!(lhs == rhs));
}
/// <summary>
/// Helper constructor that creates a new chess board based off of a ChessPiece array board.
/// </summary>
/// <param name="board">The ChessPiece array that represents the board.</param>
public ChessBoard(ChessPiece[,] board)
{
Profiler.AddToMainProfile((int)ProfilerMethodKey.ChessBoard_ctor_ChessPieceArray);
Board = CloneBoard(board);
}
public static bool operator !=(ChessMove move1, ChessMove move2)
{
Profiler.AddToMainProfile((int)ProfilerMethodKey.ChessMove_NE);
return(!(move1 == move2));
}
/// <summary>
/// The main constructor that defaults the ChessBoard to the normal starting chess board state.
/// </summary>
public ChessBoard() : this(ChessState.FenStartState)
{
Profiler.AddToMainProfile((int)ProfilerMethodKey.ChessBoard_ctor);
}
/// <summary>
/// This is used to allow sorting of ChessMoves based on their values.
/// </summary>
/// <param name="other">a ChessMove to compare.</param>
/// <returns></returns>
public int CompareTo(ChessMove other)
{
Profiler.AddToMainProfile((int)ProfilerMethodKey.ChessMove_CompareTo_ChessMove);
// Sorts it from lowest value move to highest value move
return(this.ValueOfMove - other.ValueOfMove);
}
/// <summary>
/// Returns the hashcode for this object
/// </summary>
/// <returns>the hash code.</returns>
public override int GetHashCode()
{
Profiler.AddToMainProfile((int)ProfilerMethodKey.ChessBoard_GetHashCode);
return(this.ToPartialFenBoard().GetHashCode());
}
/// <summary>
/// Creates a partial Fen string from the ChessBoard.
/// It is only partial however, since Fen strings contain more data than just the board.
/// </summary>
/// <returns>The partial Fen string.</returns>
public string ToPartialFenBoard()
{
Profiler.AddToMainProfile((int)ProfilerMethodKey.ChessBoard_ToPartialFenBoard);
StringBuilder strBuild = new StringBuilder();
for (int y = 0; y < ChessBoard.NumberOfRows; ++y)
{
int spaces = 0;
for (int x = 0; x < ChessBoard.NumberOfColumns; ++x)
{
char c = 'x';
switch (this[x, y])
{
case ChessPiece.WhitePawn:
c = 'P';
break;
case ChessPiece.WhiteRook:
c = 'R';
break;
case ChessPiece.WhiteKnight:
c = 'N';
break;
case ChessPiece.WhiteBishop:
c = 'B';
break;
case ChessPiece.WhiteQueen:
c = 'Q';
break;
case ChessPiece.WhiteKing:
c = 'K';
break;
case ChessPiece.BlackPawn:
c = 'p';
break;
case ChessPiece.BlackRook:
c = 'r';
break;
case ChessPiece.BlackKnight:
c = 'n';
break;
case ChessPiece.BlackBishop:
c = 'b';
break;
case ChessPiece.BlackQueen:
c = 'q';
break;
case ChessPiece.BlackKing:
c = 'k';
break;
case ChessPiece.Empty:
++spaces;
continue;
default:
throw new Exception("Invalid chess piece");
}
if ((c != 'x') && (spaces > 0))
{
strBuild.Append(spaces.ToString());
spaces = 0;
}
strBuild.Append(c);
}
if (spaces > 0)
{
strBuild.Append(spaces.ToString());
spaces = 0;
}
if (y < 7)
{
strBuild.Append('/');
}
}
return(strBuild.ToString());
}
public override int GetHashCode()
{
Profiler.AddToMainProfile((int)ProfilerMethodKey.ChessMove_GetHashCode);
return(From.GetHashCode() * 10 + To.GetHashCode());
}
/// <summary>
/// Constructor that creates a new ChessMove object based on two ChessLocations
/// </summary>
/// <param name="from">From ChessLocation</param>
/// <param name="to">To ChessLocation</param>
public ChessMove(ChessLocation from, ChessLocation to) : this(from, to, ChessFlag.NoFlag)
{
Profiler.AddToMainProfile((int)ProfilerMethodKey.ChessMove_ctor_ChessLocation_ChessLocation);
}
/// <summary>
/// Creates a complete copy of this object and returns it.
/// </summary>
/// <returns>The copy ChessBoard</returns>
public ChessBoard Clone()
{
Profiler.AddToMainProfile((int)ProfilerMethodKey.ChessBoard_Clone);
return(new ChessBoard(this.Board));
}
