getTurnFen()
{
- if (this.startAtFirstMove && this.moves.length==0)
- return "w";
return this.turn + this.subTurn;
}
// Extract subTurn from turn indicator: "w" (first move), or
// "w1" or "w2" white subturn 1 or 2, and same for black
const fullTurn = V.ParseFen(fen).turn;
- this.startAtFirstMove = (fullTurn == "w");
this.turn = fullTurn[0];
- this.subTurn = (fullTurn[1] || 1);
+ this.subTurn = (fullTurn[1] || 0); //"w0" = special code for first move in game
}
getPotentialPawnMoves([x,y])
return moves;
}
- play(move, ingame)
+ play(move)
{
- if (!!ingame)
- {
- move.notation = [this.getNotation(move), this.getLongNotation(move)];
- // In this special case, we also need the "move color":
- move.color = this.turn;
- }
move.flags = JSON.stringify(this.aggregateFlags());
+ move.turn = this.turn + this.subturn;
V.PlayOnBoard(this.board, move);
const epSq = this.getEpSquare(move);
- if (this.startAtFirstMove && this.moves.length == 0)
+ if (this.subTurn == 0) //first move in game
{
this.turn = "b";
this.epSquares.push([epSq]);
this.epSquares.push([epSq]);
this.subTurn = 3 - this.subTurn;
}
- this.moves.push(move);
this.updateVariables(move);
- if (!!ingame)
- move.hash = hex_md5(this.getFen());
}
undo(move)
{
this.disaggregateFlags(JSON.parse(move.flags));
V.UndoOnBoard(this.board, move);
- if (this.startAtFirstMove && this.moves.length == 1)
- {
- this.turn = "w";
+ if (move.turn[1] == '0' || move.checkOnSubturn1 || this.subTurn == 2)
this.epSquares.pop();
- }
- else if (move.checkOnSubturn1)
+ else //this.subTurn == 1
{
- this.turn = V.GetOppCol(this.turn);
- this.subTurn = 1;
- this.epSquares.pop();
- }
- else
- {
- if (this.subTurn == 1)
- {
- this.turn = V.GetOppCol(this.turn);
- let lastEpsq = this.epSquares[this.epSquares.length-1];
- lastEpsq.pop();
- }
- else
- this.epSquares.pop();
- this.subTurn = 3 - this.subTurn;
+ let lastEpsq = this.epSquares[this.epSquares.length-1];
+ lastEpsq.pop();
}
- this.moves.pop();
+ this.turn = move.turn[0];
+ this.subTurn = parseInt(move.turn[1]);
this.unupdateVariables(move);
}
return selected[0];
return selected;
}
-
- getPGN(mycolor, score, fenStart, mode)
- {
- let pgn = "";
- pgn += '[Site "vchess.club"]\n';
- const opponent = mode=="human" ? "Anonymous" : "Computer";
- pgn += '[Variant "' + variant + '"]\n';
- pgn += '[Date "' + getDate(new Date()) + '"]\n';
- const whiteName = ["human","computer"].includes(mode)
- ? (mycolor=='w'?'Myself':opponent)
- : "analyze";
- const blackName = ["human","computer"].includes(mode)
- ? (mycolor=='b'?'Myself':opponent)
- : "analyze";
- pgn += '[White "' + whiteName + '"]\n';
- pgn += '[Black "' + blackName + '"]\n';
- pgn += '[FenStart "' + fenStart + '"]\n';
- pgn += '[Fen "' + this.getFen() + '"]\n';
- pgn += '[Result "' + score + '"]\n\n';
-
- let counter = 1;
- let i = 0;
- while (i < this.moves.length)
- {
- pgn += (counter++) + ".";
- for (let color of ["w","b"])
- {
- let move = "";
- while (i < this.moves.length && this.moves[i].color == color)
- move += this.moves[i++].notation[0] + ",";
- move = move.slice(0,-1); //remove last comma
- pgn += move + (i < this.moves.length-1 ? " " : "");
- }
- }
- pgn += "\n\n";
-
- // "Complete moves" PGN (helping in ambiguous cases)
- counter = 1;
- i = 0;
- while (i < this.moves.length)
- {
- pgn += (counter++) + ".";
- for (let color of ["w","b"])
- {
- let move = "";
- while (i < this.moves.length && this.moves[i].color == color)
- move += this.moves[i++].notation[1] + ",";
- move = move.slice(0,-1); //remove last comma
- pgn += move + (i < this.moves.length-1 ? " " : "");
- }
- }
-
- return pgn + "\n";
- }
}
const VariantRules = MarseilleRules;