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));
}
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 ApplyRule(BoardMinified board, HistoryItemMinified latestMove)
{
board.SwitchPlayers();
return(Next(board, latestMove));
}