public Simulator(Move move)
{
this.Move = move;
this.OldPiece = move.EndPosition.Piece;
This.Game.MakeMove(move);
This.Board.ResetLegalMoves();
}
public Piece Clone()
{
Piece piece = new Piece(this.Material, this.StartFile, this.StartRank);
piece.SetMaterial(this.Material);
return piece;
}
private ObservableCollection<Move> GetAllLegalWhiteRookMoves(Piece piece)
{
ObservableCollection<Move> moves = new ObservableCollection<Move>();
for (int file = piece.Square.File.ToInt() - 1; file >= 65; file--)
{
if (This.Board[file.ToChar()][piece.Square.Rank].HasWhitePiece()) break;
moves.Add(new Move(piece.Square.File, piece.Square.Rank, file.ToChar(), piece.Square.Rank));
if (This.Board[file.ToChar()][piece.Square.Rank].HasBlackPiece()) break;
}
for (int file = piece.Square.File.ToInt() + 1; file <= 72; file++)
{
if (This.Board[file.ToChar()][piece.Square.Rank].HasWhitePiece()) break;
moves.Add(new Move(piece.Square.File, piece.Square.Rank, file.ToChar(), piece.Square.Rank));
if (This.Board[file.ToChar()][piece.Square.Rank].HasBlackPiece()) break;
}
for (int rank = piece.Square.Rank + 1; rank <= 8; rank++)
{
if (This.Board[piece.Square.File][rank].HasWhitePiece()) break;
moves.Add(new Move(piece.Square.File, piece.Square.Rank, piece.Square.File, rank));
if (This.Board[piece.Square.File][rank].HasBlackPiece()) break;
}
for (int rank = piece.Square.Rank - 1; rank >= 1; rank--)
{
if (This.Board[piece.Square.File][rank].HasWhitePiece()) break;
moves.Add(new Move(piece.Square.File, piece.Square.Rank, piece.Square.File, rank));
if (This.Board[piece.Square.File][rank].HasBlackPiece()) break;
}
return moves;
}
public ObservableCollection<Move> GetAllLegalMoves(Piece piece)
{
if (piece.Material == Materials.WhitePawn) return this.GetAllLegalWhitePawnMoves(piece);
else if (piece.Material == Materials.BlackPawn) return this.GetAllLegalBlackPawnMoves(piece);
else if (piece.Material == Materials.WhiteRook) return this.GetAllLegalWhiteRookMoves(piece);
else if (piece.Material == Materials.BlackRook) return this.GetAllLegalBlackRookMoves(piece);
else if (piece.Material == Materials.WhiteKnight) return this.GetAllLegalWhiteKnightMoves(piece);
else if (piece.Material == Materials.BlackKnight) return this.GetAllLegalBlackKnightMoves(piece);
else if (piece.Material == Materials.WhiteBishop) return this.GetAllLegalWhiteBishopMoves(piece);
else if (piece.Material == Materials.BlackBishop) return this.GetAllLegalBlackBishopMoves(piece);
else if (piece.Material == Materials.WhiteQueen) return this.GetAllLegalWhiteQueenMoves(piece);
else if (piece.Material == Materials.BlackQueen) return this.GetAllLegalBlackQueenMoves(piece);
else if (piece.Material == Materials.WhiteKing) return this.GetAllLegalWhiteKingMoves(piece);
else if (piece.Material == Materials.BlackKing) return this.GetAllLegalBlackKingMoves(piece);
else return new ObservableCollection<Move>();
}
private ObservableCollection<Move> GetAllLegalWhiteQueenMoves(Piece piece)
{
ObservableCollection<Move> moves = new ObservableCollection<Move>();
moves = this.GetAllLegalWhiteRookMoves(piece);
ObservableCollection<Move> diagonals = this.GetAllLegalWhiteBishopMoves(piece);
foreach (var diagonal in diagonals) moves.Add(diagonal);
return moves;
}
private ObservableCollection<Move> GetAllLegalWhitePawnMoves(Piece piece)
{
ObservableCollection<Move> moves = new ObservableCollection<Move>();
char file = piece.Square.File;
int rank = piece.Square.Rank;
if (piece.Square.Rank == 2)
{
if (rank + 2 <= 8 && This.Board[file][rank + 1].Piece == null && This.Board[file][rank + 2].Piece == null)
moves.Add(new Move(file, rank, file, rank + 2));
}
if (rank + 1 <= 8 && This.Board[file][rank + 1].Piece == null) moves.Add(new Move(file, rank, file, rank + 1));
if (rank <= 7)
{
if (file != 'H' && This.Board[file.Add(1)][rank + 1].HasBlackPiece()) moves.Add(new Move(file, rank, file.Add(1), rank + 1));
if (file != 'A' && This.Board[file.Add(-1)][rank + 1].HasBlackPiece()) moves.Add(new Move(file, rank, file.Add(-1), rank + 1));
}
return moves;
}
private ObservableCollection<Move> GetAllLegalWhiteKnightMoves(Piece piece)
{
ObservableCollection<Move> moves = new ObservableCollection<Move>();
int file = piece.Square.File.ToInt();
int rank = piece.Square.Rank;
if (file - 2 >= 65 && rank + 1 <= 8 && !This.Board[Convert.ToChar(file - 2)][rank + 1].HasWhitePiece())
moves.Add(new Move(file.ToChar(), rank, (file - 2).ToChar(), rank + 1));
if (file - 2 >= 65 && rank - 1 >= 1 && !This.Board[Convert.ToChar(file - 2)][rank - 1].HasWhitePiece())
moves.Add(new Move(file.ToChar(), rank, (file - 2).ToChar(), rank - 1));
if (file - 1 >= 65 && rank + 2 <= 8 && !This.Board[Convert.ToChar(file - 1)][rank + 2].HasWhitePiece())
moves.Add(new Move(file.ToChar(), rank, (file - 1).ToChar(), rank + 2));
if (file - 1 >= 65 && rank - 2 >= 1 && !This.Board[Convert.ToChar(file - 1)][rank - 2].HasWhitePiece())
moves.Add(new Move(file.ToChar(), rank, (file - 1).ToChar(), rank - 2));
if (file + 1 <= 72 && rank + 2 <= 8 && !This.Board[Convert.ToChar(file + 1)][rank + 2].HasWhitePiece())
moves.Add(new Move(file.ToChar(), rank, (file + 1).ToChar(), rank + 2));
if (file + 1 <= 72 && rank - 2 >= 1 && !This.Board[Convert.ToChar(file + 1)][rank - 2].HasWhitePiece())
moves.Add(new Move(file.ToChar(), rank, (file + 1).ToChar(), rank - 2));
if (file + 2 <= 72 && rank + 1 <= 8 && !This.Board[Convert.ToChar(file + 2)][rank + 1].HasWhitePiece())
moves.Add(new Move(file.ToChar(), rank, (file + 2).ToChar(), rank + 1));
if (file + 2 <= 72 && rank - 1 >= 1 && !This.Board[Convert.ToChar(file + 2)][rank - 1].HasWhitePiece())
moves.Add(new Move(file.ToChar(), rank, (file + 2).ToChar(), rank - 1));
return moves;
}
private ObservableCollection<Move> GetAllLegalWhiteBishopMoves(Piece piece)
{
ObservableCollection<Move> moves = new ObservableCollection<Move>();
int file = piece.Square.File.ToInt();
int count = 1;
for (int rank = piece.Square.Rank + 1; rank <= 8; rank++)
{
if (file + count > 72) break;
if (This.Board[(file + count).ToChar()][rank].HasWhitePiece()) break;
moves.Add(new Move(file.ToChar(), piece.Square.Rank, (file + count).ToChar(), rank));
if (This.Board[(file + count).ToChar()][rank].HasBlackPiece()) break;
count++;
}
count = 1;
for (int rank = piece.Square.Rank - 1; rank >= 1; rank--)
{
if (file + count > 72) break;
if (This.Board[(file + count).ToChar()][rank].HasWhitePiece()) break;
moves.Add(new Move(file.ToChar(), piece.Square.Rank, (file + count).ToChar(), rank));
if (This.Board[(file + count).ToChar()][rank].HasBlackPiece()) break;
count++;
}
count = -1;
for (int rank = piece.Square.Rank + 1; rank <= 8; rank++)
{
if (file + count < 65) break;
if (This.Board[(file + count).ToChar()][rank].HasWhitePiece()) break;
moves.Add(new Move(file.ToChar(), piece.Square.Rank, (file + count).ToChar(), rank));
if (This.Board[(file + count).ToChar()][rank].HasBlackPiece()) break;
count--;
}
count = -1;
for (int rank = piece.Square.Rank - 1; rank >= 1; rank--)
{
if (file + count < 65) break;
if (This.Board[(file + count).ToChar()][rank].HasWhitePiece()) break;
moves.Add(new Move(file.ToChar(), piece.Square.Rank, (file + count).ToChar(), rank));
if (This.Board[(file + count).ToChar()][rank].HasBlackPiece()) break;
count--;
}
return moves;
}
private ObservableCollection<Move> GetAllLegalBlackKingMoves(Piece piece)
{
ObservableCollection<Move> moves = new ObservableCollection<Move>();
int file = piece.Square.File.ToInt();
int rank = piece.Square.Rank;
if (file - 1 >= 65 && rank - 1 >= 1 && !This.Board[(file - 1).ToChar()][rank - 1].HasBlackPiece()) moves.Add(new Move(file.ToChar(), rank, (file - 1).ToChar(), rank - 1));
if (file - 1 >= 65 && !This.Board[(file - 1).ToChar()][rank].HasBlackPiece()) moves.Add(new Move(file.ToChar(), rank, (file - 1).ToChar(), rank));
if (file - 1 >= 65 && rank + 1 <= 8 && !This.Board[(file - 1).ToChar()][rank + 1].HasBlackPiece()) moves.Add(new Move(file.ToChar(), rank, (file - 1).ToChar(), rank + 1));
if (rank + 1 <= 8 && !This.Board[file.ToChar()][rank + 1].HasBlackPiece()) moves.Add(new Move(file.ToChar(), rank, file.ToChar(), rank + 1));
if (rank - 1 >= 1 && !This.Board[file.ToChar()][rank - 1].HasBlackPiece()) moves.Add(new Move(file.ToChar(), rank, file.ToChar(), rank - 1));
if (file + 1 <= 72 && rank - 1 >= 1 && !This.Board[(file + 1).ToChar()][rank - 1].HasBlackPiece()) moves.Add(new Move(file.ToChar(), rank, (file + 1).ToChar(), rank - 1));
if (file + 1 <= 72 && !This.Board[(file + 1).ToChar()][rank].HasBlackPiece()) moves.Add(new Move(file.ToChar(), rank, (file + 1).ToChar(), rank));
if (file + 1 <= 72 && rank + 1 <= 8 && !This.Board[(file + 1).ToChar()][rank + 1].HasBlackPiece()) moves.Add(new Move(file.ToChar(), rank, (file + 1).ToChar(), rank + 1));
return moves;
}
