X-Git-Url: https://git.auder.net/img/rock_paper_scissors_lizard_spock.gif?a=blobdiff_plain;f=public%2Fjavascripts%2Fvariants%2FAlice.js;h=761682750c5820316d0668376e3d096d98e570b1;hb=b8121223012a3eb331022adc465bbfb4014363c8;hp=3d79580fd7977c92effb4046e39c9ddd1e531726;hpb=9de73b71a1db5464f89a202e6cdfdc7b6b6b0753;p=vchess.git diff --git a/public/javascripts/variants/Alice.js b/public/javascripts/variants/Alice.js index 3d79580f..76168275 100644 --- a/public/javascripts/variants/Alice.js +++ b/public/javascripts/variants/Alice.js @@ -60,11 +60,10 @@ class AliceRules extends ChessRules } } - getBoardOfPiece([x,y]) + // Build board of the given (mirror)side + getSideBoard(mirrorSide) { const V = VariantRules; - // Build board where the piece is - const mirrorSide = (Object.keys(V.ALICE_CODES).includes(this.getPiece(x,y)) ? 1 : 2); // Build corresponding board from complete board const [sizeX,sizeY] = V.size; let sideBoard = doubleArray(sizeX, sizeY, ""); @@ -82,22 +81,22 @@ class AliceRules extends ChessRules return sideBoard; } - // TODO: move board building one level up (findAllMoves()) to avoid re-building at every piece... // NOTE: castle & enPassant https://www.chessvariants.com/other.dir/alice.html // --> Should be OK as is. - getPotentialMovesFrom([x,y]) + getPotentialMovesFrom([x,y], sideBoard) { - let sideBoard = this.getBoardOfPiece([x,y]); + const pieces = Object.keys(VariantRules.ALICE_CODES); + const codes = Object.keys(VariantRules.ALICE_PIECES); + const mirrorSide = (pieces.includes(this.getPiece(x,y)) ? 1 : 2); // Search valid moves on sideBoard let saveBoard = this.board; - this.board = sideBoard; + this.board = sideBoard || this.getSideBoard(mirrorSide); let moves = super.getPotentialMovesFrom([x,y]); this.board = saveBoard; // Finally filter impossible moves - const mirrorSide = (Object.keys(VariantRules.ALICE_CODES).includes(this.getPiece(x,y)) ? 1 : 2); - return moves.filter(m => { + let res = moves.filter(m => { if (m.appear.length == 2) //castle { // If appear[i] not in vanish array, then must be empty square on other board @@ -113,8 +112,8 @@ class AliceRules extends ChessRules { // Attempt to capture const piece = this.getPiece(m.end.x,m.end.y); - if ((mirrorSide==1 && Object.keys(VariantRules.ALICE_PIECES).includes(piece)) - || (mirrorSide==2 && Object.keys(VariantRules.ALICE_CODES).includes(piece))) + if ((mirrorSide==1 && codes.includes(piece)) + || (mirrorSide==2 && pieces.includes(piece))) { return false; } @@ -134,18 +133,67 @@ class AliceRules extends ChessRules } // Fix en-passant captures if (m.vanish.length == 2 && this.board[m.end.x][m.end.y] == VariantRules.EMPTY) + { m.vanish[1].c = this.getOppCol(this.getColor(x,y)); + // In the special case of en-passant, if + // - board1 takes board2 : vanish[1] --> Alice + // - board2 takes board1 : vanish[1] --> normal + let van = m.vanish[1]; + if (mirrorSide==1 && codes.includes(this.getPiece(van.x,van.y))) + van.p = VariantRules.ALICE_CODES[van.p]; + else if (mirrorSide==2 && pieces.includes(this.getPiece(van.x,van.y))) + van.p = VariantRules.ALICE_PIECES[van.p]; + } return true; }); + return res; + } + + // NOTE: alternative implementation, recompute sideBoard's in this function + filterValid(moves, sideBoard) + { + if (moves.length == 0) + return []; + const pieces = Object.keys(VariantRules.ALICE_CODES); + return moves.filter(m => { + // WARNING: for underCheck(), we need the sideBoard of the arrival world ! + const mirrorSide = (pieces.includes(this.getPiece(m.start.x,m.start.y)) ? 2 : 1); + return !this.underCheck(m, !!sideBoard ? sideBoard[mirrorSide-1] : null); + }); + } + + getAllValidMoves() + { + const color = this.turn; + const oppCol = this.getOppCol(color); + var potentialMoves = []; + let [sizeX,sizeY] = VariantRules.size; + let sideBoard = [this.getSideBoard(1), this.getSideBoard(2)]; + for (var i=0; i move.appear.length ? "x" : "") + finalSquare; - if (['s','p'].includes(piece) && !['s','p'].includes(move.appear[0].p)) - { - // Promotion - notation += "=" + move.appear[0].p.toUpperCase(); - } - return notation; - } - checkGameEnd() { + const pieces = Object.keys(VariantRules.ALICE_CODES); const color = this.turn; - let sideBoard = this.getBoardOfPiece(this.kingPos[color]); + const kp = this.kingPos[color]; + const mirrorSide = (pieces.includes(this.getPiece(kp[0],kp[1])) ? 1 : 2); + let sideBoard = this.getSideBoard(mirrorSide); let saveBoard = this.board; this.board = sideBoard; let res = "*"; @@ -245,4 +274,33 @@ class AliceRules extends ChessRules 'l': 1000 }; } + + getNotation(move) + { + if (move.appear.length == 2 && move.appear[0].p == VariantRules.KING) + { + if (move.end.y < move.start.y) + return "0-0-0"; + else + return "0-0"; + } + + const finalSquare = + String.fromCharCode(97 + move.end.y) + (VariantRules.size[0]-move.end.x); + const piece = this.getPiece(move.start.x, move.start.y); + + const captureMark = (move.vanish.length > move.appear.length ? "x" : ""); + let pawnMark = ""; + if (["p","s"].includes(piece) && captureMark.length == 1) + pawnMark = String.fromCharCode(97 + move.start.y); //start column + + // Piece or pawn movement + let notation = piece.toUpperCase() + pawnMark + captureMark + finalSquare; + if (['s','p'].includes(piece) && !['s','p'].includes(move.appear[0].p)) + { + // Promotion + notation += "=" + move.appear[0].p.toUpperCase(); + } + return notation; + } }