private void EastUpMove(MoveValidationContext context)
{
var newX = context.Src.X.Increase(DistanceOfTwo);
var newY = context.Src.Y + DistanceOfOne;
AddValidMove(context, newX, newY);
}
private void NorthLeftMove(MoveValidationContext context)
{
var newX = context.Src.X.Decrease(DistanceOfOne);
var newY = context.Src.Y + DistanceOfTwo;
AddValidMove(context, newX, newY);
}
private void WestDownMove(MoveValidationContext context)
{
var newX = context.Src.X.Decrease(DistanceOfTwo);
var newY = context.Src.Y - DistanceOfOne;
AddValidMove(context, newX, newY);
}
public override void ValidMove(MoveValidationContext context)
{
if (Movement != null)
{
Movement.ValidMove(context);
}
}
private void RightCastling(MoveValidationContext context)
{
var playerOriginalY = PlayerOriginalY(context.ActivePlayer);
if (context.Src.X == Board.KingOriginalX && context.Src.Y == playerOriginalY)
{
var rockCell = new Cell {
X = Board.EndOfX, Y = playerOriginalY
};
var rock = context.Board.ContainsKey(rockCell)
? context.Board[rockCell]
: null;
var piecesInBetween =
context.Board.ContainsKey(new Cell {
X = Board.EndOfX.Decrease(1), Y = playerOriginalY
}) ||
context.Board.ContainsKey(new Cell {
X = Board.EndOfX.Decrease(2), Y = playerOriginalY
});
if (rock is Rock && !piecesInBetween)
{
var moveOutput = new MoveOutput {
Cell = new Cell {
X = Board.KingOriginalX.Increase(CastlingDistance), Y = playerOriginalY
}
};
moveOutput.Type = EMoveOutputType.CastlingMove;
context.ValidMoves.Add(moveOutput);
}
}
}
private static void AddValidMove(MoveValidationContext context, char newX, int newY)
{
if (Cell.IsXValid(newX) && Cell.IsYValid(newY))
{
var moveOutput = new MoveOutput {
Cell = new Cell {
X = newX, Y = newY
}
};
var piece = context.Board.ContainsKey(moveOutput.Cell)
? context.Board[moveOutput.Cell]
: null;
if (piece == null)
{
moveOutput.Type = EMoveOutputType.NormalMove;
context.ValidMoves.Add(moveOutput);
}
else
{
if (piece.Player != context.Piece.Player)
{
moveOutput.Type = EMoveOutputType.CaptureMove;
context.ValidMoves.Add(moveOutput);
}
}
}
}
private void SouthRightMove(MoveValidationContext context)
{
var newX = context.Src.X.Increase(DistanceOfOne);
var newY = context.Src.Y - DistanceOfTwo;
AddValidMove(context, newX, newY);
}
public override void ValidMove(MoveValidationContext context)
{
Movement.ValidMove(context);
if (PawnInStartingPosition(context.Piece.Player, context.Src))
{
base.ValidMove(context);
}
}
public override void ValidMove(MoveValidationContext context)
{
Movement.ValidMove(context);
//left
ValidMoveAction(context, (src, i) => src.Increase(i));
//right
ValidMoveAction(context, (src, i) => src.Decrease(i));
}
protected void NorthEastMove(MoveValidationContext context)
{
ValidMoveAction
(
context,
(src, i) => src.Increase(i),
(src, i) => src + i
);
}
protected void SouthWestMove(MoveValidationContext context)
{
ValidMoveAction
(
context,
(src, i) => src.Decrease(i),
(src, i) => src - i
);
}
public void ValidatingMovement(MoveValidationContext context)
{
if (context.ActivePlayer == Player)
{
Movement.ValidMove(context);
}
else
{
context.InvalidMessage = "not players piece";
}
}
public override void ValidMove(MoveValidationContext context)
{
NorthLeftMove(context);
NorthRightMove(context);
EastUpMove(context);
EastDownMove(context);
SouthLeftMove(context);
SouthRightMove(context);
WestUpMove(context);
WestDownMove(context);
}
public void Move(Cell src, Cell dst)
{
Console.WriteLine($"move from {src} to {dst}");
var piece = Board.ContainsKey(src) ? Board[src] : null;
if (piece == null)
{
Console.WriteLine($"no piece at {src}");
}
else
{
var context = new MoveValidationContext {
ActivePlayer = ActivePlayer, Src = src, Board = Board, Piece = piece
};
piece.ValidatingMovement(context);
var moveOutput = context.Find(dst);
if (moveOutput != null)
{
MoveExecutor.ExecuteMove
(
new MoveExecutionContext
{
Type = moveOutput.Type, Src = src, Dst = moveOutput.Cell, Piece = piece, Board = Board, Captured = Captured
}
);
TogglePlayerTurn();
if (WhiteKingCaptured())
{
Winner = EPlayer.Black;
}
else if (BlackKingCaptured())
{
Winner = EPlayer.White;
}
}
else
{
Console.WriteLine($"no valid move from {src} to {dst}, reason: {context.InvalidMessage}");
}
}
BoardPresenter.Print(Board);
CapturedPresenter.Print(Captured);
}
protected void ValidMoveAction(MoveValidationContext context, Func <char, int, char> funcNextX, Func <int, int, int> funcNextY)
{
var stop = false;
var i = 1;
do
{
if (i > MaxDistance)
{
stop = true;
}
else
{
var nextX = funcNextX(context.Src.X, i);
var nextY = funcNextY(context.Src.Y, i);
var moveOutput = new MoveOutput {
Cell = new Cell {
X = nextX, Y = nextY
}
};
var piece = context.Board.ContainsKey(moveOutput.Cell)
? context.Board[moveOutput.Cell]
: null;
if (piece == null)
{
moveOutput.Type = EMoveOutputType.NormalMove;
context.ValidMoves.Add(moveOutput);
}
else
{
stop = true;
if (piece.Player != context.Piece.Player && Mode == EDiagonalMode.Any)
{
moveOutput.Type = EMoveOutputType.CaptureMove;
context.ValidMoves.Add(moveOutput);
}
}
}
i++;
} while (!stop);
}
public override void ValidMove(MoveValidationContext context)
{
Movement.ValidMove(context);
if (Mode == EVerticalMode.Any)
{
//up
ValidMoveAction(context, (src, i) => src + i);
//down
ValidMoveAction(context, (src, i) => src - i);
}
else
{
if (context.ActivePlayer == EPlayer.White)
{
ValidMoveAction(context, (src, i) => src + i); //up for white
}
else
{
ValidMoveAction(context, (src, i) => src - i); //down for black
}
}
}
public override void ValidMove(MoveValidationContext context)
{
Movement.ValidMove(context);
if (Mode == EDiagonalMode.Any)
{
NorthEastMove(context);
NorthWestMove(context);
SouthEastMove(context);
SouthWestMove(context);
}
else
{
if (context.ActivePlayer == EPlayer.White)
{
NorthEastMove(context);
NorthWestMove(context);
}
else
{
SouthEastMove(context);
SouthWestMove(context);
}
}
}
public override void ValidMove(MoveValidationContext context)
{
}
public abstract void ValidMove(MoveValidationContext context);
public override void ValidMove(MoveValidationContext context)
{
LeftCastling(context);
RightCastling(context);
}