X-Git-Url: https://git.auder.net/?a=blobdiff_plain;f=variants%2FCheckered%2Fclass.js;h=9c7824307f8aa844343db56f57bbe726d3f7bdfe;hb=ceeac4e82346ffba2d87d763df3cffcddaec912a;hp=9d9bf24260179c7dc2bbba4cc93ec501040db871;hpb=5006aaca31fa5fa36cb82784d13f6d28d754c90c;p=xogo.git diff --git a/variants/Checkered/class.js b/variants/Checkered/class.js index 9d9bf24..9c78243 100644 --- a/variants/Checkered/class.js +++ b/variants/Checkered/class.js @@ -61,10 +61,13 @@ export default class CheckeredRules extends ChessRules { } getPartFen(o) { - let parts = super.getPartFen(o); - parts["cmove"] = this.getCmoveFen(); - parts["stage"] = this.getStageFen(); - return parts; + return Object.assign( + { + "cmove": o.init ? "-" : this.getCmoveFen(), + "stage": o.init ? "1" : this.getStageFen() + }, + super.getPartFen(o) + ); } getCmoveFen() { @@ -82,9 +85,10 @@ export default class CheckeredRules extends ChessRules { getFlagsFen() { let fen = super.getFlagsFen(); // Add pawns flags - for (let c of ["w", "b"]) + for (let c of ["w", "b"]) { for (let i = 0; i < 8; i++) fen += (this.pawnFlags[c][i] ? "1" : "0"); + } return fen; } @@ -92,6 +96,15 @@ export default class CheckeredRules extends ChessRules { return super.getPawnShift(color == 'c' ? this.turn : color); } + getOppCols(color) { + if (this.stage == 1) + return super.getOppCols(color).concat(['c']); + // Stage 2: depends if color is w+b or checkered + if (color == this.sideCheckered) + return ['w', 'b']; + return ['c']; + } + pieces(color, x, y) { let baseRes = super.pieces(color, x, y); if ( @@ -157,15 +170,6 @@ export default class CheckeredRules extends ChessRules { } } - aggregateFlags() { - return [this.castleFlags, this.pawnFlags]; - } - - disaggregateFlags(flags) { - this.castleFlags = flags[0]; - this.pawnFlags = flags[1]; - } - getEpSquare(moveOrSquare) { // At stage 2, all pawns can be captured en-passant if ( @@ -208,21 +212,19 @@ export default class CheckeredRules extends ChessRules { // Apply "checkerization" of standard moves const lastRank = (color == "w" ? 0 : 7); const [x, y] = [moves[0].start.x, moves[0].start.y]; - let moves = []; const piece = this.getPiece(x, y); // King is treated differently: it never turn checkered - if (piece == 'k') { + if (piece == 'k' && this.stage == 1) { // If at least one checkered piece, allow switching: if ( this.options["withswitch"] && this.board.some(b => b.some(cell => cell[0] == 'c')) ) { - const oppCol = C.GetOppCol(color); - const oppKingPos = this.searchKingPos(oppCol)[0]; + const oppKingPos = this.searchKingPos(C.GetOppTurn(this.turn))[0]; moves.push( new Move({ start: { x: x, y: y }, - end: { x: oppKingPos[0], y: oppKingPos[1] }, + end: {x: oppKingPos[0], y: oppKingPos[1]}, appear: [], vanish: [] }) @@ -233,7 +235,7 @@ export default class CheckeredRules extends ChessRules { if (piece == 'p') { // Filter out forbidden pawn moves moves = moves.filter(m => { - if (m.vanish[0].p == 'p') { + if (m.vanish.length > 0 && m.vanish[0].p == 'p') { if ( Math.abs(m.end.x - m.start.x) == 2 && !this.pawnFlags[this.turn][m.start.y] @@ -253,7 +255,7 @@ export default class CheckeredRules extends ChessRules { } let extraMoves = []; moves.forEach(m => { - if (m.vanish.length == 2 && m.appear.length == 1) + if (m.vanish.length == 2 && m.appear.length == 1) { // A capture occured m.appear[0].c = "c"; if ( @@ -271,7 +273,7 @@ export default class CheckeredRules extends ChessRules { return moves.concat(extraMoves); } - canIplay(side, [x, y]) { + canIplay(x, y) { if (this.stage == 2) { const color = this.getColor(x, y); return ( @@ -280,7 +282,10 @@ export default class CheckeredRules extends ChessRules { : ['w', 'b'].includes(color) ); } - return side == this.turn && [side, "c"].includes(this.getColor(x, y)); + return ( + this.playerColor == this.turn && + [this.turn, "c"].includes(this.getColor(x, y)) + ); } // Does m2 un-do m1 ? (to disallow undoing checkered moves) @@ -303,32 +308,31 @@ export default class CheckeredRules extends ChessRules { // Checkered cannot be under check (no king) return moves; let kingPos = super.searchKingPos(color); - const oppCol = C.GetOppCol(color); if (this.stage == 2) // Must consider both kings (attacked by checkered side) - kingPos = [kingPos, super.searchKingPos(oppCol)]; + kingPos = [kingPos, super.searchKingPos(C.GetOppTurn(this.turn))]; + const oppCols = this.getOppCols(color); return moves.filter(m => { this.playOnBoard(m); let res = true; if (stage == 1) res = !this.oppositeMoves(this.cmove, m); if (res && m.appear.length > 0) - // NOTE: oppCol might be inaccurate; fixed in underCheck() - res = !this.underCheck(kingPos, oppCol); + res = !this.underCheck(kingPos, oppCols); this.undoOnBoard(m); return res; }); } atLeastOneMove(color) { - const oppCol = C.GetOppCol(color); + const myCols = [color, 'c']; for (let i = 0; i < this.size.x; i++) { for (let j = 0; j < this.size.y; j++) { const colIJ = this.getColor(i, j); if ( this.board[i][j] != "" && ( - (this.stage == 1 && colIJ != oppCol) || + (this.stage == 1 && myCols.includes(colIJ)) || (this.stage == 2 && ( (this.sideCheckered == color && colIJ == 'c') || @@ -346,12 +350,10 @@ export default class CheckeredRules extends ChessRules { return false; } - underCheck(square_s, oppCol) { - if (this.stage == 1) - return super.underAttack(square_s, [oppCol, 'c']); - if (oppCol != this.sideCheckered) + underCheck(square_s, oppCols) { + if (this.stage == 2 && oppCol != this.sideCheckered) return false; //checkered pieces is me, I'm not under check - return super.underAttack(square_s, 'c'); + return super.underAttack(square_s, oppCols); } prePlay(move) { @@ -389,11 +391,11 @@ export default class CheckeredRules extends ChessRules { if (this.atLeastOneMove(color)) return "*"; // Artifically change turn, for checkered pawns - const oppCol = C.GetOppCol(color); - this.turn = oppCol; + const oppTurn = C.GetOppTurn(color); + this.turn = oppTurn; const kingPos = super.searchKingPos(color)[0]; let res = "1/2"; - if (super.underAttack(kingPos, [oppCol, 'c'])) + if (super.underAttack(kingPos, [oppTurn, 'c'])) res = (color == "w" ? "0-1" : "1-0"); this.turn = color; return res; @@ -410,9 +412,9 @@ export default class CheckeredRules extends ChessRules { } if (this.atLeastOneMove(color)) return "*"; - let res = super.underAttack(super.searchKingPos(color)[0], 'c'); + let res = super.underAttack(super.searchKingPos(color)[0], ['c']); if (!res) - res = super.underAttack(super.searchKingPos(oppCol)[0], 'c'); + res = super.underAttack(super.searchKingPos(oppCol)[0], ['c']); if (res) return (color == 'w' ? "0-1" : "1-0"); return "1/2";