X-Git-Url: https://git.auder.net/?a=blobdiff_plain;f=base_rules.js;h=0c316ebddadbe3516c19601b70e47ac450bcb687;hb=de1421be3ee53cb4ea8f112834d3de7a863fdd40;hp=8eed3d35250e521b0a6cb78d4a85d67222c8341d;hpb=d6d0a46e5c8c1d9176f4a9e9c44a4b5f2ed791e7;p=xogo.git diff --git a/base_rules.js b/base_rules.js index 8eed3d3..0c316eb 100644 --- a/base_rules.js +++ b/base_rules.js @@ -1,5 +1,6 @@ import {Random} from "/utils/alea.js"; import {ArrayFun} from "/utils/array.js"; +import {FenUtil} from "/utils/setupPieces.js"; import PiPo from "/utils/PiPo.js"; import Move from "/utils/Move.js"; @@ -208,74 +209,27 @@ export default class ChessRules { baseFen.o = Object.assign({init: true}, baseFen.o); const parts = this.getPartFen(baseFen.o); return ( - baseFen.fen + + baseFen.fen + " w 0" + (Object.keys(parts).length > 0 ? (" " + JSON.stringify(parts)) : "") ); } // Setup the initial random-or-not (asymmetric-or-not) position genRandInitBaseFen() { - let fen, flags = "0707"; - if (!this.options.randomness) - // Deterministic: - fen = "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w 0"; - - else { - // Randomize - let pieces = {w: new Array(8), b: new Array(8)}; - flags = ""; - // Shuffle pieces on first (and last rank if randomness == 2) - for (let c of ["w", "b"]) { - if (c == 'b' && this.options.randomness == 1) { - pieces['b'] = pieces['w']; - flags += flags; - break; - } - let positions = ArrayFun.range(8); - // Get random squares for bishops - let randIndex = 2 * Random.randInt(4); - const bishop1Pos = positions[randIndex]; - // The second bishop must be on a square of different color - let randIndex_tmp = 2 * Random.randInt(4) + 1; - const bishop2Pos = positions[randIndex_tmp]; - // Remove chosen squares - positions.splice(Math.max(randIndex, randIndex_tmp), 1); - positions.splice(Math.min(randIndex, randIndex_tmp), 1); - // Get random squares for knights - randIndex = Random.randInt(6); - const knight1Pos = positions[randIndex]; - positions.splice(randIndex, 1); - randIndex = Random.randInt(5); - const knight2Pos = positions[randIndex]; - positions.splice(randIndex, 1); - // Get random square for queen - randIndex = Random.randInt(4); - const queenPos = positions[randIndex]; - positions.splice(randIndex, 1); - // Rooks and king positions are now fixed, - // because of the ordering rook-king-rook - const rook1Pos = positions[0]; - const kingPos = positions[1]; - const rook2Pos = positions[2]; - // Finally put the shuffled pieces in the board array - pieces[c][rook1Pos] = "r"; - pieces[c][knight1Pos] = "n"; - pieces[c][bishop1Pos] = "b"; - pieces[c][queenPos] = "q"; - pieces[c][kingPos] = "k"; - pieces[c][bishop2Pos] = "b"; - pieces[c][knight2Pos] = "n"; - pieces[c][rook2Pos] = "r"; - flags += rook1Pos.toString() + rook2Pos.toString(); + const s = FenUtil.setupPieces( + ['r', 'n', 'b', 'q', 'k', 'b', 'n', 'r'], + { + randomness: this.options["randomness"], + between: {p1: 'k', p2: 'r'}, + diffCol: ['b'], + flags: ['r'] } - fen = ( - pieces["b"].join("") + - "/pppppppp/8/8/8/8/PPPPPPPP/" + - pieces["w"].join("").toUpperCase() + - " w 0" - ); - } - return { fen: fen, o: {flags: flags} }; + ); + return { + fen: s.b.join("") + "/pppppppp/8/8/8/8/PPPPPPPP/" + + s.w.join("").toUpperCase(), + o: {flags: s.flags} + }; } // "Parse" FEN: just return untransformed string data @@ -332,9 +286,9 @@ export default class ChessRules { // Position part of the FEN string getPosition() { let position = ""; - for (let i = 0; i < this.size.y; i++) { + for (let i = 0; i < this.size.x; i++) { let emptyCount = 0; - for (let j = 0; j < this.size.x; j++) { + for (let j = 0; j < this.size.y; j++) { if (this.board[i][j] == "") emptyCount++; else { @@ -349,7 +303,7 @@ export default class ChessRules { if (emptyCount > 0) // "Flush remainder" position += C.FenEmptySquares(emptyCount); - if (i < this.size.y - 1) + if (i < this.size.x - 1) position += "/"; //separate rows } return position; @@ -405,9 +359,6 @@ export default class ChessRules { if (this.options[opt.variable] === undefined) this.options[opt.variable] = opt.defaut; }); - if (o.genFenOnly) - // This object will be used only for initial FEN generation - return; // Some variables this.playerColor = o.color; @@ -477,17 +428,15 @@ export default class ChessRules { } // ordering as in pieces() p,r,n,b,q,k - initReserves(reserveStr) { + initReserves(reserveStr, pieceArray) { + if (!pieceArray) + pieceArray = ['p', 'r', 'n', 'b', 'q', 'k']; const counts = reserveStr.split("").map(c => parseInt(c, 36)); - this.reserve = { w: {}, b: {} }; - const pieceName = ['p', 'r', 'n', 'b', 'q', 'k']; - const L = pieceName.length; - for (let i of ArrayFun.range(2 * L)) { - if (i < L) - this.reserve['w'][pieceName[i]] = counts[i]; - else - this.reserve['b'][pieceName[i-L]] = counts[i]; - } + const L = pieceArray.length; + this.reserve = { + w: ArrayFun.toObject(pieceArray, counts.slice(0, L)), + b: ArrayFun.toObject(pieceArray, counts.slice(L, 2 * L)) + }; } initIspawn(ispawnStr) { @@ -521,7 +470,7 @@ export default class ChessRules { } getRankInReserve(c, p) { - const pieces = Object.keys(this.pieces()); + const pieces = Object.keys(this.pieces(c, c, p)); const lastIndex = pieces.findIndex(pp => pp == p) let toTest = pieces.slice(0, lastIndex); return toTest.reduce( @@ -570,7 +519,6 @@ export default class ChessRules { re_drawBoardElements() { const board = this.getSvgChessboard(); - const oppCol = C.GetOppCol(this.playerColor); const container = document.getElementById(this.containerId); const rc = container.getBoundingClientRect(); let chessboard = container.querySelector(".chessboard"); @@ -608,7 +556,7 @@ export default class ChessRules { chessboard.style.top = spaceTop + "px"; // Give sizes instead of recomputing them, // because chessboard might not be drawn yet. - this.setupPieces({ + this.setupVisualPieces({ width: cbWidth, height: cbHeight, x: spaceLeft, @@ -648,7 +596,7 @@ export default class ChessRules { return board; } - setupPieces(r) { + setupVisualPieces(r) { let chessboard = document.getElementById(this.containerId).querySelector(".chessboard"); if (!r) @@ -692,7 +640,7 @@ export default class ChessRules { const color = this.getColor(i, j); const piece = this.getPiece(i, j); addPiece(i, j, "g_pieces", this.pieces(color, i, j)[piece]["class"]); - this.g_pieces[i][j].classList.add(C.GetColorClass(color)); + this.g_pieces[i][j].classList.add(V.GetColorClass(color)); if (this.enlightened && !this.enlightened[i][j]) this.g_pieces[i][j].classList.add("hidden"); } @@ -759,7 +707,7 @@ export default class ChessRules { rcontainer.appendChild(r_cell); let piece = document.createElement("piece"); C.AddClass_es(piece, this.pieces(c, c, p)[p]["class"]); - piece.classList.add(C.GetColorClass(c)); + piece.classList.add(V.GetColorClass(c)); piece.style.width = "100%"; piece.style.height = "100%"; this.r_pieces[c][p] = piece; @@ -782,8 +730,8 @@ export default class ChessRules { piece = "k"; //capturing cannibal king: back to king form const oldCount = this.reserve[color][piece]; this.reserve[color][piece] = count; - // Redrawing is much easier if count==0 - if ([oldCount, count].includes(0)) + // Redrawing is much easier if count==0 (or undefined) + if ([oldCount, count].some(item => !item)) this.re_drawReserve([color]); else { const numId = this.getReserveNumId(color, piece); @@ -1016,11 +964,10 @@ export default class ChessRules { // TODO: onpointerdown/move/up ? See reveal.js /controllers/touch.js } + // NOTE: not called if isDiagram removeListeners() { let container = document.getElementById(this.containerId); this.windowResizeObs.unobserve(container); - if (this.isDiagram) - return; //no listeners in this case if ('onmousedown' in window) { this.mouseListeners.forEach(ml => { document.removeEventListener(ml.type, ml.listener); @@ -1069,7 +1016,7 @@ export default class ChessRules { const cdisp = moves[i].choice || moves[i].appear[0].p; C.AddClass_es(piece, this.pieces(color, moves[i].end.x, moves[i].end.y)[cdisp]["class"]); - piece.classList.add(C.GetColorClass(color)); + piece.classList.add(V.GetColorClass(color)); piece.style.width = "100%"; piece.style.height = "100%"; choice.appendChild(piece); @@ -1117,7 +1064,8 @@ export default class ChessRules { // Include square of the en-passant capturing square: enlightEnpassant() { // NOTE: shortcut, pawn has only one attack type, doesn't depend on square - const steps = this.pieces(this.playerColor)["p"].attack[0].steps; + // TODO: (0, 0) is wrong, would need to place an attacker here... + const steps = this.pieces(this.playerColor, 0, 0)["p"].attack[0].steps; for (let step of steps) { const x = this.epSquare.x - step[0], y = this.getY(this.epSquare.y - step[1]); @@ -1193,7 +1141,7 @@ export default class ChessRules { getPieceType(x, y, p) { if (!p) p = this.getPiece(x, y); - return this.pieces()[p].moveas || p; + return this.pieces(this.getColor(x, y), x, y)[p].moveas || p; } isKing(x, y, p) { @@ -1204,8 +1152,12 @@ export default class ChessRules { return !!C.CannibalKings[p]; } - // Get opponent color - static GetOppCol(color) { + static GetOppTurn(color) { + return (color == 'w' ? 'b' : 'w'); + } + + // Get opponent color(s): may differ from turn (e.g. Checkered) + getOppCols(color) { return (color == "w" ? "b" : "w"); } @@ -1223,8 +1175,12 @@ export default class ChessRules { //////////////////////// // PIECES SPECIFICATIONS + getPawnShift(color) { + return (color == "w" ? -1 : 1); + } + pieces(color, x, y) { - const pawnShift = (color == "w" ? -1 : 1); + const pawnShift = this.getPawnShift(color); // NOTE: jump 2 squares from first rank (pawns can be here sometimes) const initRank = ((color == 'w' && x >= 6) || (color == 'b' && x <= 1)); return { @@ -1245,13 +1201,13 @@ export default class ChessRules { }, 'r': { "class": "rook", - moves: [ + both: [ {steps: [[0, 1], [0, -1], [1, 0], [-1, 0]]} ] }, 'n': { "class": "knight", - moves: [ + both: [ { steps: [ [1, 2], [1, -2], [-1, 2], [-1, -2], @@ -1263,13 +1219,13 @@ export default class ChessRules { }, 'b': { "class": "bishop", - moves: [ + both: [ {steps: [[1, 1], [1, -1], [-1, 1], [-1, -1]]} ] }, 'q': { "class": "queen", - moves: [ + both: [ { steps: [ [0, 1], [0, -1], [1, 0], [-1, 0], @@ -1280,7 +1236,7 @@ export default class ChessRules { }, 'k': { "class": "king", - moves: [ + both: [ { steps: [ [0, 1], [0, -1], [1, 0], [-1, 0], @@ -1344,7 +1300,20 @@ export default class ChessRules { } getStepSpec(color, x, y, piece) { - return this.pieces(color, x, y)[piece || this.getPieceType(x, y)]; + let pieceType = piece; + let allSpecs = this.pieces(color, x, y); + if (!piece) + pieceType = this.getPieceType(x, y); + else if (allSpecs[piece].moveas) + pieceType = allSpecs[piece].moveas; + let res = allSpecs[pieceType]; + if (!res["both"]) + res.both = []; + if (!res["moves"]) + res.moves = []; + if (!res["attack"]) + res.attack = []; + return res; } // Can thing on square1 capture thing on square2? @@ -1352,6 +1321,11 @@ export default class ChessRules { return this.getColor(x1, y1) !== this.getColor(x2, y2); } + // Teleport & Recycle. Assumption: color(x1,y1) == color(x2,y2) + canSelfTake([x1, y1], [x2, y2]) { + return !this.isKing(x2, y2); + } + canStepOver(i, j, p) { // In some variants, objects on boards don't stop movement (Chakart) return this.board[i][j] == ""; @@ -1375,10 +1349,10 @@ export default class ChessRules { if (!this.options["madrasi"]) return false; const color = this.getColor(x, y); - const oppCol = C.GetOppCol(color); + const oppCols = this.getOppCols(color); const piece = this.getPieceType(x, y); const stepSpec = this.getStepSpec(color, x, y, piece); - const attacks = stepSpec.attack || stepSpec.moves; + const attacks = stepSpec.both.concat(stepSpec.attack); for (let a of attacks) { outerLoop: for (let step of a.steps) { let [i, j] = [x + step[0], y + step[1]]; @@ -1391,7 +1365,7 @@ export default class ChessRules { } if ( this.onBoard(i, j) && - this.getColor(i, j) == oppCol && + oppCols.includes(this.getColor(i, j)) && this.getPieceType(i, j) == piece ) { return true; @@ -1403,7 +1377,6 @@ export default class ChessRules { // Stop at the first capture found atLeastOneCapture(color) { - const oppCol = C.GetOppCol(color); const allowed = (sq1, sq2) => { return ( // NOTE: canTake is reversed for Zen. @@ -1515,6 +1488,7 @@ export default class ChessRules { } // All possible moves from selected square + // TODO: generalize usage if arg "color" (e.g. Checkered) getPotentialMovesFrom([x, y], color) { if (this.subTurnTeleport == 2) return []; @@ -1539,19 +1513,19 @@ export default class ChessRules { if (moves.length == 0) return []; const color = this.getColor(moves[0].start.x, moves[0].start.y); - const oppCol = C.GetOppCol(color); + const oppCols = this.getOppCols(color); if (this.options["capture"] && this.atLeastOneCapture(color)) - moves = this.capturePostProcess(moves, oppCol); + moves = this.capturePostProcess(moves, oppCols); if (this.options["atomic"]) - moves = this.atomicPostProcess(moves, color, oppCol); + moves = this.atomicPostProcess(moves, color, oppCols); if ( moves.length > 0 && this.getPieceType(moves[0].start.x, moves[0].start.y) == "p" ) { - moves = this.pawnPostProcess(moves, color, oppCol); + moves = this.pawnPostProcess(moves, color, oppCols); } if (this.options["cannibal"] && this.options["rifle"]) @@ -1561,22 +1535,22 @@ export default class ChessRules { return moves; } - capturePostProcess(moves, oppCol) { + capturePostProcess(moves, oppCols) { // Filter out non-capturing moves (not using m.vanish because of // self captures of Recycle and Teleport). return moves.filter(m => { return ( this.board[m.end.x][m.end.y] != "" && - this.getColor(m.end.x, m.end.y) == oppCol + oppCols.includes(this.getColor(m.end.x, m.end.y)) ); }); } - atomicPostProcess(moves, color, oppCol) { + atomicPostProcess(moves, color, oppCols) { moves.forEach(m => { if ( this.board[m.end.x][m.end.y] != "" && - this.getColor(m.end.x, m.end.y) == oppCol + oppCols.includes(this.getColor(m.end.x, m.end.y)) ) { // Explosion! let steps = [ @@ -1631,7 +1605,7 @@ export default class ChessRules { return moves; } - pawnPostProcess(moves, color, oppCol) { + pawnPostProcess(moves, color, oppCols) { let moreMoves = []; const lastRank = (color == "w" ? 0 : this.size.x - 1); const initPiece = this.getPiece(moves[0].start.x, moves[0].start.y); @@ -1652,7 +1626,7 @@ export default class ChessRules { if ( this.options["cannibal"] && this.board[x2][y2] != "" && - this.getColor(x2, y2) == oppCol + oppCols.includes(this.getColor(x2, y2)) ) { finalPieces = [this.getPieceType(x2, y2)]; } @@ -1749,14 +1723,18 @@ export default class ChessRules { segments: this.options["cylinder"], stepSpec: stepSpec }, - ([i1, j1], [i2, j2]) => - this.getColor(i2, j2) == color && !this.isKing(i2, j2) + ([i1, j1], [i2, j2]) => { + return ( + this.getColor(i2, j2) == color && + this.canSelfTake([i1, j1], [i2, j2]) + ); + } ); Array.prototype.push.apply(squares, selfCaptures); } return squares.map(s => { let mv = this.getBasicMove([x, y], s.sq); - if (this.options["cylinder"] && s.segments.length >= 2) + if (this.options["cylinder"] && !!s.segments && s.segments.length >= 2) mv.segments = s.segments; return mv; }); @@ -1774,10 +1752,10 @@ export default class ChessRules { const addSquare = ([i, j]) => { let elt = {sq: [i, j]}; if (o.segments) - elt.segments = this.getSegments(segments, segStart, end); + elt.segments = this.getSegments(segments, segStart, [i, j]); res.push(elt); }; - const exploreSteps = (stepArray) => { + const exploreSteps = (stepArray, mode) => { for (let s of stepArray) { outerLoop: for (let step of s.steps) { if (o.segments) { @@ -1796,9 +1774,9 @@ export default class ChessRules { !o.captureTarget || (o.captureTarget[0] == i && o.captureTarget[1] == j) ) { - if (o.one && !o.attackOnly) + if (o.one && mode != "attack") return true; - if (!o.attackOnly) + if (mode != "attack") addSquare(!o.captureTarget ? [i, j] : [x, y]); if (o.captureTarget) return res[0]; @@ -1821,9 +1799,9 @@ export default class ChessRules { if (!explored[i + "." + j]) { explored[i + "." + j] = true; if (allowed([x, y], [i, j])) { - if (o.one && !o.moveOnly) + if (o.one && mode != "moves") return true; - if (!o.moveOnly) + if (mode != "moves") addSquare(!o.captureTarget ? [i, j] : [x, y]); if ( o.captureTarget && @@ -1838,17 +1816,15 @@ export default class ChessRules { return undefined; //default, but let's explicit it }; if (o.captureTarget) - return exploreSteps(o.captureSteps) + return exploreSteps(o.captureSteps, "attack"); else { const stepSpec = o.stepSpec || this.getStepSpec(this.getColor(x, y), x, y); let outOne = false; - if (!o.attackOnly || !stepSpec.attack) - outOne = exploreSteps(stepSpec.moves); - if (!outOne && !o.moveOnly && !!stepSpec.attack) { - o.attackOnly = true; //ok because o is always a temporary object - outOne = exploreSteps(stepSpec.attack); - } + if (!o.attackOnly) + outOne = exploreSteps(stepSpec.both.concat(stepSpec.moves), "moves"); + if (!outOne && !o.moveOnly) + outOne = exploreSteps(stepSpec.both.concat(stepSpec.attack), "attack"); return (o.one ? outOne : res); } } @@ -1856,7 +1832,7 @@ export default class ChessRules { // Search for enemy (or not) pieces attacking [x, y] findCapturesOn([x, y], o, allowed) { if (!o.byCol) - o.byCol = [C.GetOppCol(this.getColor(x, y) || this.turn)]; + o.byCol = this.getOppCols(this.getColor(x, y) || this.turn); let res = []; for (let i=0; i this.getColor(i2, j2) == oppCol + ([i1, j1], [i2, j2]) => oppCols.includes(this.getColor(i2, j2)) ) ) ); } // Argument is (very generally) an array of squares (= arrays) - underCheck(square_s, oppCol) { + underCheck(square_s, oppCols) { if (this.options["taking"] || this.options["dark"]) return false; - if (!Array.isArray(square_s[0])) - square_s = [square_s]; - return square_s.some(sq => this.underAttack(sq, oppCol)); + return square_s.some(sq => this.underAttack(sq, oppCols)); } // Scan board for king(s) @@ -2197,42 +2169,44 @@ export default class ChessRules { return res; } + // cb: callback returning a boolean (false if king missing) + trackKingWrap(move, kingPos, cb) { + let newKingPP = null, + sqIdx = 0, + res = true; //a priori valid + const oldKingPP = + move.vanish.find(v => this.isKing(0, 0, v.p) && v.c == color); + if (oldKingPP) { + // Search king in appear array: + newKingPP = + move.appear.find(a => this.isKing(0, 0, a.p) && a.c == color); + if (newKingPP) { + sqIdx = kingPos.findIndex(kp => + kp[0] == oldKingPP.x && kp[1] == oldKingPP.y); + kingPos[sqIdx] = [newKingPP.x, newKingPP.y]; + } + else + res = false; //king vanished + } + res &&= cb(kingPos); + if (oldKingPP && newKingPP) + kingPos[sqIdx] = [oldKingPP.x, oldKingPP.y]; + return res; + } + // 'color' arg because some variants (e.g. Refusal) check opponent moves filterValid(moves, color) { if (!color) color = this.turn; - const oppCol = C.GetOppCol(color); + const oppCols = this.getOppCols(color); let kingPos = this.searchKingPos(color); - let filtered = {}; //avoid re-checking similar moves (promotions...) return moves.filter(m => { - const key = m.start.x + m.start.y + '.' + m.end.x + m.end.y; - if (!filtered[key]) { - this.playOnBoard(m); - let newKingPP = null, - sqIdx = 0, - res = true; //a priori valid - const oldKingPP = - m.vanish.find(v => this.isKing(0, 0, v.p) && v.c == color); - if (oldKingPP) { - // Search king in appear array: - newKingPP = - m.appear.find(a => this.isKing(0, 0, a.p) && a.c == color); - if (newKingPP) { - sqIdx = kingPos.findIndex(kp => - kp[0] == oldKingPP.x && kp[1] == oldKingPP.y); - kingPos[sqIdx] = [newKingPP.x, newKingPP.y]; - } - else - res = false; //king vanished - } - res &&= !this.underCheck(kingPos, oppCol); - if (oldKingPP && newKingPP) - kingPos[sqIdx] = [oldKingPP.x, oldKingPP.y]; - this.undoOnBoard(m); - filtered[key] = res; - return res; - } - return filtered[key]; + this.playOnBoard(m); + const res = this.trackKingWrap(m, kingPos, (kp) => { + return !this.underCheck(kp, oppCols); + }); + this.undoOnBoard(m); + return res; }); } @@ -2343,14 +2317,13 @@ export default class ChessRules { } postPlay(move) { - const color = this.turn; if (this.options["dark"]) this.updateEnlightened(); if (this.options["teleport"]) { if ( this.subTurnTeleport == 1 && move.vanish.length > move.appear.length && - move.vanish[1].c == color + move.vanish[1].c == this.turn ) { const v = move.vanish[move.vanish.length - 1]; this.captured = {x: v.x, y: v.y, c: v.c, p: v.p}; @@ -2360,8 +2333,12 @@ export default class ChessRules { this.subTurnTeleport = 1; this.captured = null; } + this.tryChangeTurn(move); + } + + tryChangeTurn(move) { if (this.isLastMove(move)) { - this.turn = C.GetOppCol(color); + this.turn = C.GetOppTurn(this.turn); this.movesCount++; this.subTurn = 1; } @@ -2373,8 +2350,8 @@ export default class ChessRules { if (move.next) return false; const color = this.turn; - const oppKingPos = this.searchKingPos(C.GetOppCol(color)); - if (oppKingPos.length == 0 || this.underCheck(oppKingPos, color)) + const oppKingPos = this.searchKingPos(C.GetOppTurn(color)); + if (oppKingPos.length == 0 || this.underCheck(oppKingPos, [color])) return true; return ( ( @@ -2403,7 +2380,7 @@ export default class ChessRules { if (this.board[i][j] != "" && this.getColor(i, j) == color) { // NOTE: in fact searching for all potential moves from i,j. // I don't believe this is an issue, for now at least. - const moves = this.getPotentialMovesFrom([i, j]); + const moves = this.getPotentialMovesFrom([i, j], color); if (moves.some(m => this.filterValid([m]).length >= 1)) return true; } @@ -2425,30 +2402,30 @@ export default class ChessRules { // Shortcut in case the score was computed before: if (move.result) return move.result; - const color = this.turn; - const oppCol = C.GetOppCol(color); + const oppTurn = C.GetOppTurn(this.turn); const kingPos = { - [color]: this.searchKingPos(color), - [oppCol]: this.searchKingPos(oppCol) + w: this.searchKingPos('w'), + b: this.searchKingPos('b') }; - if (kingPos[color].length == 0 && kingPos[oppCol].length == 0) + if (kingPos[this.turn].length == 0 && kingPos[oppTurn].length == 0) return "1/2"; - if (kingPos[color].length == 0) - return (color == "w" ? "0-1" : "1-0"); - if (kingPos[oppCol].length == 0) - return (color == "w" ? "1-0" : "0-1"); - if (this.atLeastOneMove(color)) + if (kingPos[this.turn].length == 0) + return (this.turn == "w" ? "0-1" : "1-0"); + if (kingPos[oppTurn].length == 0) + return (this.turn == "w" ? "1-0" : "0-1"); + if (this.atLeastOneMove(this.turn)) return "*"; // No valid move: stalemate or checkmate? - if (!this.underCheck(kingPos[color], oppCol)) + if (!this.underCheck(kingPos[this.turn], this.getOppCols(this.turn))) return "1/2"; // OK, checkmate - return (color == "w" ? "0-1" : "1-0"); + return (this.turn == "w" ? "0-1" : "1-0"); } playVisual(move, r) { move.vanish.forEach(v => { - this.g_pieces[v.x][v.y].remove(); + if (this.g_pieces[v.x][v.y]) //can be null (e.g. Apocalypse) + this.g_pieces[v.x][v.y].remove(); this.g_pieces[v.x][v.y] = null; }); let chessboard = @@ -2460,7 +2437,7 @@ export default class ChessRules { this.g_pieces[a.x][a.y] = document.createElement("piece"); C.AddClass_es(this.g_pieces[a.x][a.y], this.pieces(a.c, a.x, a.y)[a.p]["class"]); - this.g_pieces[a.x][a.y].classList.add(C.GetColorClass(a.c)); + this.g_pieces[a.x][a.y].classList.add(V.GetColorClass(a.c)); this.g_pieces[a.x][a.y].style.width = pieceWidth + "px"; this.g_pieces[a.x][a.y].style.height = pieceWidth + "px"; const [ip, jp] = this.getPixelPosition(a.x, a.y, r); @@ -2479,32 +2456,37 @@ export default class ChessRules { buildMoveStack(move, r) { this.moveStack.push(move); this.computeNextMove(move); - this.play(move); - const newTurn = this.turn; - if (this.moveStack.length == 1 && !this.hideMoves) - this.playVisual(move, r); - if (move.next) { - this.gameState = { - fen: this.getFen(), - board: JSON.parse(JSON.stringify(this.board)) //easier - }; - this.buildMoveStack(move.next, r); - } - else { - if (this.moveStack.length == 1) { - // Usual case (one normal move) - this.afterPlay(this.moveStack, newTurn, {send: true, res: true}); - this.moveStack = [] + const then = () => { + const newTurn = this.turn; + if (this.moveStack.length == 1 && !this.hideMoves) + this.playVisual(move, r); + if (move.next) { + this.gameState = { + fen: this.getFen(), + board: JSON.parse(JSON.stringify(this.board)) //easier + }; + this.buildMoveStack(move.next, r); } else { - this.afterPlay(this.moveStack, newTurn, {send: true, res: false}); - this.re_initFromFen(this.gameState.fen, this.gameState.board); - this.playReceivedMove(this.moveStack.slice(1), () => { - this.afterPlay(this.moveStack, newTurn, {send: false, res: true}); - this.moveStack = [] - }); + if (this.moveStack.length == 1) { + // Usual case (one normal move) + this.afterPlay(this.moveStack, newTurn, {send: true, res: true}); + this.moveStack = []; + } + else { + this.afterPlay(this.moveStack, newTurn, {send: true, res: false}); + this.re_initFromFen(this.gameState.fen, this.gameState.board); + this.playReceivedMove(this.moveStack.slice(1), () => { + this.afterPlay(this.moveStack, newTurn, {send: false, res: true}); + this.moveStack = []; + }); + } } - } + }; + // If hiding moves, then they are revealed in play() with callback + this.play(move, this.hideMoves ? then : null); + if (!this.hideMoves) + then(); } // Implemented in variants using (automatic) moveStack @@ -2512,6 +2494,10 @@ export default class ChessRules { animateMoving(start, end, drag, segments, cb) { let initPiece = this.getDomPiece(start.x, start.y); + if (!initPiece) { //TODO: shouldn't occur! + cb(); + return; + } // NOTE: cloning often not required, but light enough, and simpler let movingPiece = initPiece.cloneNode(); initPiece.style.opacity = "0"; @@ -2532,8 +2518,8 @@ export default class ChessRules { C.RemoveClass_es(movingPiece, pieces[startCode]["class"]); C.AddClass_es(movingPiece, pieces[drag.p]["class"]); if (apparentColor != drag.c) { - movingPiece.classList.remove(C.GetColorClass(apparentColor)); - movingPiece.classList.add(C.GetColorClass(drag.c)); + movingPiece.classList.remove(V.GetColorClass(apparentColor)); + movingPiece.classList.add(V.GetColorClass(drag.c)); } } container.appendChild(movingPiece); @@ -2635,8 +2621,9 @@ export default class ChessRules { launchAnimation(moves, container, callback) { if (this.hideMoves) { - moves.forEach(m => this.play(m)); - callback(); + for (let i=0; i {}); return; } const r = container.querySelector(".chessboard").getBoundingClientRect(); @@ -2675,6 +2662,7 @@ export default class ChessRules { let container = document.getElementById(this.containerId); if (document.hidden) { document.onvisibilitychange = () => { + // TODO here: page reload ?! (some issues if tab changed...) document.onvisibilitychange = undefined; checkDisplayThenAnimate(700); };