public void ReadPGN(string pgn)
{
bool readingExtraInfo = false;
bool readingGame = false;
bool readingMove = false;
bool readingWhiteMove = false;
string currentMoveString = "";
string moveLetters = "abcdefghRNBQKO";
List <string> currentGameMoveNotations = new List <string>();
// Separate moves into strings
for (int i = 0; i < pgn.Length; i++)
{
char c = pgn[i];
if (c == '[')
{
readingGame = false;
readingExtraInfo = true;
}
if (c == ']')
{
readingExtraInfo = false;
}
if (readingGame)
{
if (!readingMove && c == '-') // Game over (result token, e.g. 0-1)
{
moveNotation.Add(currentGameMoveNotations);
currentGameMoveNotations = new List <string>();
readingGame = false;
readingMove = false;
}
if (moveLetters.Contains(c.ToString()))
{
readingMove = true;
}
if (c == ' ' || c == '.' || c == '\n' || c == '+' || c == '#')
{
if (currentMoveString.Length >= 2)
{
currentGameMoveNotations.Add(currentMoveString);
}
readingMove = false;
currentMoveString = "";
}
if (readingMove)
{
currentMoveString += c.ToString();
}
}
else if (c == '1' && !readingExtraInfo)
{
readingGame = true;
readingWhiteMove = true;
}
}
for (int gameIndex = 0; gameIndex < moveNotation.Count; gameIndex++)
{
// Convert move notation to moves
GameBoard.Colour colourToMove = GameBoard.Colour.White;
List <Move> currentGameMoves = new List <Move>();
//print (moveNotation[gameIndex].Count);
foreach (string m in moveNotation[gameIndex])
{
//print ( " ASDAS " + m);
string pieceType = ""; // e.g RNBQK
string disambiguation = ""; // (e.g. Rfd1 (f is disambiguation between two possible rooks)
string targetSquare = ""; // e.g e4
bool promoting = false;
string promotionPiece = "";
string pieceSymbols = "RNBQK";
string coordinateSymbols = "abcdefgh";
string coordinateNumbers = "12345678";
if (m == "O-O" || m == "O-O-O") // Castling
//print ("CASS");
{
pieceType = "K";
targetSquare = (m == "O-O")?"g":"c";
targetSquare += (colourToMove == GameBoard.Colour.White)?"1":"8";
}
else
{
for (int i = 0; i < m.Length; i++) // Iterate through each char in move string
{
char c = m[i];
if (c == '=')
{
promoting = true;
}
if (GameBoard.IsUpper(c.ToString()) && pieceSymbols.Contains(c.ToString()))
{
if (promoting)
{
promotionPiece = c.ToString();
}
else
{
pieceType = c.ToString();
}
}
else
{
if (coordinateSymbols.Contains(c.ToString()))
{
if (targetSquare != "")
{
disambiguation = targetSquare;
}
targetSquare = c.ToString();
}
else if (coordinateNumbers.Contains(c.ToString()))
{
targetSquare += c.ToString();
}
}
}
}
if (pieceType == "")
{
pieceType = "P";
}
// print (m);
Move newMove = legalMoves.GetMoveFromNotation(pieceType, targetSquare, disambiguation, promotionPiece, board.analysisBoard, colourToMove, m);
currentGameMoves.Add(newMove);
if (newMove != null)
{
board.UpdateAnalysisBoard(newMove);
}
colourToMove = (colourToMove == GameBoard.Colour.White)?GameBoard.Colour.Black:GameBoard.Colour.White;
}
allMoves.Add(currentGameMoves);
board.ResetBoardToStarting();
legalMoves.NewGame();
}
devMode.SetMoves(allMoves);
}
void NextPuzzle()
{
board.ResetBoardToStarting();
legal.NewGame();
//print (puzzleIndex);
//print ("Move Count: " +allMoves[puzzleIndex].Count);
foreach (Move m in allMoves[puzzleIndex])
{
board.MakeMove(m.moveFrom.coordinates, m.moveTo.coordinates);
}
bool mated = false;
bool flip = false;
if (legal.Mated(board.analysisBoard, GameBoard.Colour.Black))
{
mated = true;
}
else if (legal.Mated(board.analysisBoard, GameBoard.Colour.White))
{
mated = true;
flip = true;
}
if (mated)
{
blacksLastMove = allMoves[puzzleIndex][allMoves[puzzleIndex].Count - 2];
board.ResetBoardToStarting();
for (int i = 0; i < allMoves[puzzleIndex].Count - 2; i++)
{
Move m = allMoves[puzzleIndex][i];
board.MakeMove(m.moveFrom.coordinates, m.moveTo.coordinates);
}
if (flip)
{
for (int ranks = 0; ranks < 4; ranks++)
{
for (int files = 0; files < 8; files++)
{
GameBoard.Pieces tempPiece = board.analysisBoard[files, ranks].piece;
GameBoard.Colour tempColour = board.analysisBoard[files, ranks].pieceColour;
bool tempEp = board.analysisBoard[files, ranks].isEnPassantSquare;
board.analysisBoard[files, ranks].piece = board.analysisBoard[7 - files, 7 - ranks].piece;
board.analysisBoard[files, ranks].pieceColour = (board.analysisBoard[7 - files, 7 - ranks].pieceColour == GameBoard.Colour.White)?GameBoard.Colour.Black:GameBoard.Colour.White;
board.analysisBoard[files, ranks].isEnPassantSquare = board.analysisBoard[7 - files, 7 - ranks].isEnPassantSquare;
board.analysisBoard[7 - files, 7 - ranks].piece = tempPiece;
board.analysisBoard[7 - files, 7 - ranks].pieceColour = (tempColour == GameBoard.Colour.White)?GameBoard.Colour.Black:GameBoard.Colour.White;
board.analysisBoard[7 - files, 7 - ranks].isEnPassantSquare = tempEp;
}
}
blacksLastMove.moveFrom.coordinates = new Coord(7 - blacksLastMove.moveFrom.coordinates.x, 7 - blacksLastMove.moveFrom.coordinates.y);
blacksLastMove.moveTo.coordinates = new Coord(7 - blacksLastMove.moveTo.coordinates.x, 7 - blacksLastMove.moveTo.coordinates.y);
}
puzzleFen = DatabaseManager.GetPuzzleFEN(board.analysisBoard, blacksLastMove.moveFrom.coordinates, blacksLastMove.moveTo.coordinates, legal);
board.SetToAnalysisBoard();
board.MakeMove(blacksLastMove.moveFrom.coordinates, blacksLastMove.moveTo.coordinates);
board.SetToAnalysisBoard();
}
else
{
SetPuzzle(false);
}
}
