X-Git-Url: https://git.auder.net/?a=blobdiff_plain;f=client%2Fsrc%2Fbase_rules.js;h=acf6eff04b612c13ce1b84a2b4583ef48f9541de;hb=85a1dcbab08bdab51c26c27fb8df95bc461617d4;hp=95a90cf73000683f3956dab5477de6404ec5814d;hpb=15d6904394c63102e7865b5537eb3b533e3ac06f;p=vchess.git diff --git a/client/src/base_rules.js b/client/src/base_rules.js index 95a90cf7..acf6eff0 100644 --- a/client/src/base_rules.js +++ b/client/src/base_rules.js @@ -80,6 +80,14 @@ export const ChessRules = class ChessRules { return V.ShowMoves; } + // Sometimes moves must remain hidden until game ends + static get SomeHiddenMoves() { + return false; + } + get someHiddenMoves() { + return V.SomeHiddenMoves; + } + // Generally true, unless the variant includes random effects static get CorrConfirm() { return true; @@ -150,7 +158,7 @@ export const ChessRules = class ChessRules { // 2) Check turn if (!fenParsed.turn || !V.IsGoodTurn(fenParsed.turn)) return false; // 3) Check moves count - if (!fenParsed.movesCount || !(parseInt(fenParsed.movesCount) >= 0)) + if (!fenParsed.movesCount || !(parseInt(fenParsed.movesCount, 10) >= 0)) return false; // 4) Check flags if (V.HasFlags && (!fenParsed.flags || !V.IsGoodFlags(fenParsed.flags))) @@ -177,7 +185,7 @@ export const ChessRules = class ChessRules { if (['K','k'].includes(row[i])) kings[row[i]]++; if (V.PIECES.includes(row[i].toLowerCase())) sumElts++; else { - const num = parseInt(row[i]); + const num = parseInt(row[i], 10); if (isNaN(num)) return false; sumElts += num; } @@ -224,7 +232,7 @@ export const ChessRules = class ChessRules { return { // NOTE: column is always one char => max 26 columns // row is counted from black side => subtraction - x: V.size.x - parseInt(sq.substr(1)), + x: V.size.x - parseInt(sq.substr(1), 10), y: sq[0].charCodeAt() - 97 }; } @@ -472,7 +480,7 @@ export const ChessRules = class ChessRules { let j = 0; for (let indexInRow = 0; indexInRow < rows[i].length; indexInRow++) { const character = rows[i][indexInRow]; - const num = parseInt(character); + const num = parseInt(character, 10); // If num is a number, just shift j: if (!isNaN(num)) j += num; // Else: something at position i,j @@ -504,7 +512,7 @@ export const ChessRules = class ChessRules { const fenParsed = V.ParseFen(fen); this.board = V.GetBoard(fenParsed.position); this.turn = fenParsed.turn; - this.movesCount = parseInt(fenParsed.movesCount); + this.movesCount = parseInt(fenParsed.movesCount, 10); this.setOtherVariables(fen); } @@ -528,7 +536,7 @@ export const ChessRules = class ChessRules { this.INIT_COL_KING["w"] = k; break; default: { - const num = parseInt(fenRows[i].charAt(j)); + const num = parseInt(fenRows[i].charAt(j), 10); if (!isNaN(num)) k += num - 1; } } @@ -758,6 +766,7 @@ export const ChessRules = class ChessRules { const [sizeX, sizeY] = [V.size.x, V.size.y]; const pawnShiftX = V.PawnSpecs.directions[color]; const firstRank = (color == "w" ? sizeX - 1 : 0); + const forward = (color == 'w' ? -1 : 1); // Pawn movements in shiftX direction: const getPawnMoves = (shiftX) => { @@ -765,7 +774,7 @@ export const ChessRules = class ChessRules { // NOTE: next condition is generally true (no pawn on last rank) if (x + shiftX >= 0 && x + shiftX < sizeX) { if (this.board[x + shiftX][y] == V.EMPTY) { - // One square forward + // One square forward (or backward) this.addPawnMoves([x, y], [x + shiftX, y], moves, promotions); // Next condition because pawns on 1st rank can generally jump if ( @@ -776,7 +785,10 @@ export const ChessRules = class ChessRules { (color == 'b' && x <= V.PawnSpecs.initShift['b']) ) ) { - if (this.board[x + 2 * shiftX][y] == V.EMPTY) { + if ( + shiftX == forward && + this.board[x + 2 * shiftX][y] == V.EMPTY + ) { // Two squares jump moves.push(this.getBasicMove([x, y], [x + 2 * shiftX, y])); if ( @@ -803,13 +815,13 @@ export const ChessRules = class ChessRules { ); } if ( - V.PawnSpecs.captureBackward && + V.PawnSpecs.captureBackward && shiftX == forward && x - shiftX >= 0 && x - shiftX < V.size.x && this.board[x - shiftX][y + shiftY] != V.EMPTY && this.canTake([x, y], [x - shiftX, y + shiftY]) ) { this.addPawnMoves( - [x, y], [x + shiftX, y + shiftY], + [x, y], [x - shiftX, y + shiftY], moves, promotions ); } @@ -872,7 +884,7 @@ export const ChessRules = class ChessRules { } // "castleInCheck" arg to let some variants castle under check - getCastleMoves([x, y], castleInCheck) { + getCastleMoves([x, y], castleInCheck, castleWith) { const c = this.getColor(x, y); if (x != (c == "w" ? V.size.x - 1 : 0) || y != this.INIT_COL_KING[c]) return []; //x isn't first rank, or king has moved (shortcut) @@ -896,9 +908,14 @@ export const ChessRules = class ChessRules { // NOTE: in some variants this is not a rook const rookPos = this.castleFlags[c][castleSide]; - if (this.board[x][rookPos] == V.EMPTY || this.getColor(x, rookPos) != c) + if ( + this.board[x][rookPos] == V.EMPTY || + this.getColor(x, rookPos) != c || + (!!castleWith && !castleWith.includes(this.getPiece(x, rookPos))) + ) { // Rook is not here, or changed color (see Benedict) continue; + } // Nothing on the path of the king ? (and no checks) const castlingPiece = this.getPiece(x, rookPos); @@ -909,6 +926,7 @@ export const ChessRules = class ChessRules { if ( // NOTE: "castling" arg is used by some variants (Monster), // where "isAttacked" is overloaded in an infinite-recursive way. + // TODO: not used anymore (Monster + Doublemove2 are simplified). (!castleInCheck && this.isAttacked([x, i], oppCol, "castling")) || (this.board[x][i] != V.EMPTY && // NOTE: next check is enough, because of chessboard constraints @@ -1156,8 +1174,8 @@ export const ChessRules = class ChessRules { this.postPlay(move); } - updateCastleFlags(move, piece) { - const c = V.GetOppCol(this.turn); + updateCastleFlags(move, piece, color) { + const c = color || V.GetOppCol(this.turn); const firstRank = (c == "w" ? V.size.x - 1 : 0); // Update castling flags if rooks are moved const oppCol = this.turn; @@ -1193,10 +1211,8 @@ export const ChessRules = class ChessRules { piece = move.appear[0].p; // Update king position + flags - if (piece == V.KING && move.appear.length > 0) { - this.kingPos[c][0] = move.appear[0].x; - this.kingPos[c][1] = move.appear[0].y; - } + if (piece == V.KING && move.appear.length > 0) + this.kingPos[c] = [move.appear[0].x, move.appear[0].y]; if (V.HasCastle) this.updateCastleFlags(move, piece); }