public override BoardMinified UndoRule(BoardMinified board, HistoryItemMinified toUndo,
HistoryItemMinified lastMoveBeforeUndo)
{
if (
lastMoveBeforeUndo != null &&
toUndo.IsKill &&
lastMoveBeforeUndo.IsKill &&
toUndo.Player == lastMoveBeforeUndo.Player)
{
var piece = board.GetPiece(toUndo.From.X, toUndo.From.Y, toUndo.Player);
piece.ClearMoves();
var newPiece = NeedToCaptureRule.Check(piece, board, board.GetSize());
if (newPiece.HasAvailableMoves())
{
board.ClearMoves();
board.UpdatePieceAvailableMoves(newPiece, toUndo.Player);
if (board.ActivePlayer != lastMoveBeforeUndo.Player)
{
board.SwitchPlayers();
}
return(board);
}
}
return(NextUndo(board, toUndo, lastMoveBeforeUndo));
}
protected BoardMinified Next(BoardMinified board, HistoryItemMinified latestMove)
{
if (NextRule != null)
{
return(NextRule.ApplyRule(board, latestMove));
}
return(board);
}
protected BoardMinified NextUndo(BoardMinified board, HistoryItemMinified toUndo,
HistoryItemMinified lastMoveBeforeUndo)
{
if (NextRule != null)
{
return(NextRule.UndoRule(board, toUndo, lastMoveBeforeUndo));
}
return(board);
}
public override BoardMinified UndoRule(BoardMinified board, HistoryItemMinified toUndo,
HistoryItemMinified lastMoveBeforeUndo)
{
if (board.ActivePlayer != toUndo.Player)
{
board.SwitchPlayers();
}
return(NextUndo(board, toUndo, lastMoveBeforeUndo));
}
public override BoardMinified UndoRule(BoardMinified board, HistoryItemMinified toUndo,
HistoryItemMinified lastMoveBeforeUndo)
{
if (toUndo.IsKill)
{
var captured = toUndo.Captured;
board.RestorePiece(captured, !toUndo.Player);
}
return(NextUndo(board, toUndo, lastMoveBeforeUndo));
}
public GameNode(IHistoryItem item, IBoard board, bool isMaxPlayer)
{
if (item != null)
{
Move = new HistoryItemMinified();
Move.Minify(item, board);
IsMaxPlayer = isMaxPlayer;
}
Clear();
}
public override BoardMinified ApplyRule(BoardMinified board, HistoryItemMinified latestMove)
{
board.ClearMoves();
var(newBoard, noNeedToCallNext) = CheckRule(board);
if (!noNeedToCallNext)
{
return(Next(newBoard, latestMove));
}
return(newBoard);
}
private BoardMinified CheckRule(BoardMinified board, HistoryItemMinified latestMove)
{
var size = board.GetSize();
var activeSetPtr = board.ActivePlayer ? board.Player1Pieces : board.Player2Pieces;
for (var i = 0; i < BoardMinified.BufferSize; i++)
{
var currentPtr = activeSetPtr + i;
var piece = (PieceMinified)(*currentPtr);
if (piece.IsEmpty())
{
break;
}
if (piece.IsCaptured)
{
continue;
}
if (piece.CanGoUp && piece.Y > 0)
{
//left
if (piece.X > 0)
{
piece = Check(piece, board, -1, -1);
}
//right
if (piece.X < size - 1)
{
piece = Check(piece, board, -1, 1);
}
}
if (piece.CanGoDown && piece.Y < size - 1)
{
//left
if (piece.X > 0)
{
piece = Check(piece, board, 1, -1);
}
//right
if (piece.X < size - 1)
{
piece = Check(piece, board, 1, 1);
}
}
*currentPtr = piece;
}
return(board);
}
public override BoardMinified ApplyRule(BoardMinified board, HistoryItemMinified latestMove)
{
var size = board.GetSize();
var player1Figures = new PieceMinified[20];
var player2Figures = new PieceMinified[20];
if (size < 4)
{
throw new NotImplementedException("Game size smaller than 4");
}
// todo - refactor this
var isWhite = true;
byte i = 0;
for (var y = (byte)(size - 1); y > size / 2; y--)
{
var startX = (byte)(1 - y % 2);
for (var x = startX; x < size; x += 2)
{
var piece = new PieceMinified(x, y, isWhite, true, false);
player1Figures[i] = piece;
board.SetBoardCell(x, y, new BoardCell(i, isWhite));
i++;
}
}
i = 0;
for (byte y = 0; y < size / 2 - 1; y++)
{
var startX = (byte)(1 - y % 2);
for (var x = startX; x < size; x += 2)
{
var piece = new PieceMinified(x, y, !isWhite, false, true);
player2Figures[i] = piece;
board.SetBoardCell(x, y, new BoardCell(i, isWhite));
i++;
}
}
for (byte j = 0; j < player1Figures.Length; j++)
{
board.Player1Pieces[j] = player1Figures[j];
}
for (byte j = 0; j < player2Figures.Length; j++)
{
board.Player2Pieces[j] = player2Figures[j];
}
return(Next(board, null));
}
public override BoardMinified ApplyRule(BoardMinified board, HistoryItemMinified latestMove)
{
if (latestMove.IsKill)
{
var capturedPieceX = (latestMove.From.X + latestMove.To.X) / 2;
var capturedPieceY = (latestMove.From.Y + latestMove.To.Y) / 2;
latestMove.Captured =
board.RemovePiece((byte)capturedPieceX, (byte)capturedPieceY, !board.ActivePlayer);
}
return(Next(board, latestMove));
}
public override BoardMinified UndoRule(BoardMinified board, HistoryItemMinified toUndo,
HistoryItemMinified lastMoveBeforeUndo)
{
board.ClearMoves();
var(newBoard, noNeedToCallNext) = CheckRule(board);
if (!noNeedToCallNext)
{
return(NextUndo(newBoard, toUndo, lastMoveBeforeUndo));
}
return(newBoard);
}
public override BoardMinified ApplyRule(BoardMinified board, HistoryItemMinified latestMove)
{
if (latestMove.IsKill)
{
var piece = board.GetPiece(latestMove.To.X, latestMove.To.Y, latestMove.Player);
piece.ClearMoves();
var newPiece = NeedToCaptureRule.Check(piece, board, board.GetSize());
if (newPiece.HasAvailableMoves())
{
board.ClearMoves();
board.UpdatePieceAvailableMoves(newPiece, board.ActivePlayer);
return(board);
}
}
return(Next(board, latestMove));
}
public void Undo(IBoard board, IHistoryItem toUndo, IHistoryItem lastMoveBeforeUndo)
{
var minBoard = board.ToMinified();
var minToUndo = new HistoryItemMinified();
minToUndo.Minify(toUndo, board);
HistoryItemMinified minLastMove = null;
if (lastMoveBeforeUndo != null)
{
minLastMove = new HistoryItemMinified();
minLastMove.Minify(lastMoveBeforeUndo, board);
}
minBoard = ChainOfRules.UndoRule(minBoard, minToUndo, minLastMove);
minBoard.ToMaximized(board);
}
public override BoardMinified UndoRule(BoardMinified board, HistoryItemMinified toUndo,
HistoryItemMinified lastMoveBeforeUndo)
{
if (toUndo.IsPieceChangeType)
{
var piece = board.GetPiece(toUndo.From.X, toUndo.From.Y, toUndo.Player);
piece.IsQueen = false;
if (toUndo.To.Y > toUndo.From.Y)
{
board.ChangePieceType(piece.X, piece.Y, true, false, false, toUndo.Player);
}
else
{
board.ChangePieceType(piece.X, piece.Y, false, true, false, toUndo.Player);
}
}
return(NextUndo(board, toUndo, lastMoveBeforeUndo));
}
public override BoardMinified ApplyRule(BoardMinified board, HistoryItemMinified latestMove)
{
var x = latestMove.To.X;
var y = latestMove.To.Y;
var piece = board.GetPiece(x, y, latestMove.Player);
if (!piece.IsQueen)
{
var v1 = piece.CanGoDown && y == board.GetSize() - 1;
var v2 = piece.CanGoUp && y == 0;
if (v1 || v2)
{
board.ChangePieceType(x, y, true, true, true, board.ActivePlayer);
latestMove.IsPieceChangeType = true;
}
}
return(Next(board, latestMove));
}
public IPlayer MakeMove(IBoard board, IHistoryItem move)
{
var minBoard = board.ToMinified();
var minMove = new HistoryItemMinified();
minMove.Minify(move, board);
minBoard = MakeMove(minBoard, minMove);
minBoard.ToMaximized(board);
minMove.Maximize(move);
if (minBoard.Player1PiecesCount == 0)
{
return(board.Player1);
}
if (minBoard.Player2PiecesCount == 0)
{
return(board.Player2);
}
return(null);
}
public override BoardMinified ApplyRule(BoardMinified board, HistoryItemMinified latestMove)
{
board = CheckRule(board, latestMove);
return(Next(board, latestMove));
}
internal BoardMinified MakeMove(BoardMinified board, HistoryItemMinified move)
{
return(ChainOfRules.ApplyRule(board, move));
}
public override BoardMinified UndoRule(BoardMinified board, HistoryItemMinified toUndo,
HistoryItemMinified lastMoveBeforeUndo)
{
board = CheckRule(board, toUndo);
return(NextUndo(board, toUndo, lastMoveBeforeUndo));
}
internal BoardMinified UndoMove(BoardMinified board, HistoryItemMinified move, HistoryItemMinified undoMove)
{
return(ChainOfRules.UndoRule(board, move, undoMove));
}
public abstract BoardMinified ApplyRule(BoardMinified board, HistoryItemMinified move);
internal BoardMinified FastForwardUndoMove(BoardMinified board, HistoryItemMinified move,
HistoryItemMinified undoMove)
{
return(FastForwardUndoMoveRules.UndoRule(board, move, undoMove));
}
public abstract BoardMinified UndoRule(BoardMinified board, HistoryItemMinified toUndo,
HistoryItemMinified lastMoveBeforeUndo);
public override BoardMinified ApplyRule(BoardMinified board, HistoryItemMinified latestMove)
{
board.MovePiece(latestMove.From.X, latestMove.From.Y, latestMove.To.X, latestMove.To.Y, board.ActivePlayer);
return(Next(board, latestMove));
}
public override BoardMinified UndoRule(BoardMinified board, HistoryItemMinified toUndo,
HistoryItemMinified lastMoveBeforeUndo)
{
board.MovePiece(toUndo.To.X, toUndo.To.Y, toUndo.From.X, toUndo.From.Y, toUndo.Player);
return(NextUndo(board, toUndo, lastMoveBeforeUndo));
}
public override BoardMinified ApplyRule(BoardMinified board, HistoryItemMinified latestMove)
{
board.SwitchPlayers();
return(Next(board, latestMove));
}
internal BoardMinified FastForwardMove(BoardMinified board, HistoryItemMinified move)
{
return(FastForwardMoveRules.ApplyRule(board, move));
}
public override BoardMinified UndoRule(BoardMinified board, HistoryItemMinified toUndo,
HistoryItemMinified lastMoveBeforeUndo)
{
throw new InvalidOperationException();
}
