X-Git-Url: https://git.auder.net/?a=blobdiff_plain;f=client%2Fsrc%2Fvariants%2FAtomic.js;h=831fb2f239d7f8912c0937296ec1a25d634d43a3;hb=10cceb25109739fa39b9b968be2707dee1d25a07;hp=4aad7b72e875e24abd940fe7a40a1df6b1940de3;hpb=e727fe31742dfb3e40eb222c94f4199e2be98453;p=vchess.git diff --git a/client/src/variants/Atomic.js b/client/src/variants/Atomic.js index 4aad7b72..831fb2f2 100644 --- a/client/src/variants/Atomic.js +++ b/client/src/variants/Atomic.js @@ -1,16 +1,108 @@ -import { ChessRules, PiPo } from "@/base_rules"; +import { ChessRules, Move, PiPo } from "@/base_rules"; -export const VariantRules = class AtomicRules extends ChessRules { - getEpSquare(moveOrSquare) { - if (typeof moveOrSquare !== "object" || move.appear.length > 0) - return super.getEpSquare(moveOrSquare); - // Capturing move: no en-passant - return undefined; +export class AtomicRules extends ChessRules { + + static get Options() { + return { + check: [ + { + label: "Balanced", + defaut: false, + variable: "balanced" + } + ], + select: ChessRules.Options.select + }; + } + + static AbbreviateOptions(opts) { + return opts["balanced"] ? 'B' : ''; + } + + static GenRandInitFen(options) { + return ChessRules.GenRandInitFen(options) + (options.balanced ? " B" : ""); + } + + setOtherVariables(fen) { + super.setOtherVariables(fen); + this.balanced = !!V.ParseFen(fen).balanced; + } + + static ParseFen(fen) { + return Object.assign( + { balanced: fen.split(" ")[5] }, + ChessRules.ParseFen(fen) + ); + } + + static IsGoodFen(fen) { + if (!ChessRules.IsGoodFen(fen)) return false; + const balanced = V.ParseFen(fen).balanced; + return (!balanced || balanced == 'B'); + } + + getFen() { + return super.getFen() + (this.balanced ? " B" : ""); + } + + hoverHighlight([x, y]) { + return this.balanced && this.movesCount == 0 && [1, 6].includes(x); + } + + canIplay(side, [x, y]) { + if (this.balanced && this.movesCount == 0) + return (this.turn == side && this.getPiece(x, y) == V.PAWN); + return super.canIplay(side, [x, y]); + } + + doClick(square) { + if (!this.balanced || this.movesCount >= 1) return null; + const [x, y] = [square[0], square[1]]; + if (![1, 6].includes(x)) return null; + return new Move({ + appear: [], + vanish: [ + new PiPo({ + x: x, + y: y, + c: this.getColor(x, y), + p: V.PAWN + }) + ], + start: { x: x, y: y }, + end: { x: x, y: y } + }); } getPotentialMovesFrom([x, y]) { - let moves = super.getPotentialMovesFrom([x, y]); + if (this.balanced && this.movesCount == 0) { + if ([1, 6].includes(x)) { + const c = this.getColor(x, y); + return [ + new Move({ + appear: [], + vanish: [ + new PiPo({ x: x, y: y, p: V.PAWN, c: c }) + ], + start: { x: x, y: y }, + end: { x: x, y: y } + }) + ]; + } + return []; + } + let moves = super.getPotentialMovesFrom([x, y]); + if (this.getPiece(x, y) == V.PAWN) { + // Promotions by captures can be reduced to only one deterministic + // move (because of the explosion). + moves = moves.filter(m => { + return ( + m.vanish.length == 1 || + [V.PAWN, V.QUEEN].includes(m.appear[0].p) + ); + }); + } // Handle explosions moves.forEach(m => { // NOTE: if vanish.length==2 and appear.length==2, this is castle @@ -48,7 +140,6 @@ export const VariantRules = class AtomicRules extends ChessRules { m.appear.pop(); //Nothin appears in this case } }); - return moves; } @@ -65,24 +156,28 @@ export const VariantRules = class AtomicRules extends ChessRules { return moves.concat(this.getCastleMoves([x, y])); } - isAttacked(sq, colors) { + isAttacked(sq, color) { if ( this.getPiece(sq[0], sq[1]) == V.KING && - this.isAttackedByKing(sq, colors) - ) - return false; //king cannot take... + this.isAttackedByKing(sq, color) + ) { + // A king next to the enemy king is immune to attacks + return false; + } return ( - this.isAttackedByPawn(sq, colors) || - this.isAttackedByRook(sq, colors) || - this.isAttackedByKnight(sq, colors) || - this.isAttackedByBishop(sq, colors) || - this.isAttackedByQueen(sq, colors) + this.isAttackedByPawn(sq, color) || + this.isAttackedByRook(sq, color) || + this.isAttackedByKnight(sq, color) || + this.isAttackedByBishop(sq, color) || + this.isAttackedByQueen(sq, color) + // No "attackedByKing": it cannot take ); } - updateVariables(move) { - super.updateVariables(move); - if (move.appear.length == 0) { + postPlay(move) { + super.postPlay(move); + // NOTE: (harmless) condition on movesCount for Atomic2 + if (move.appear.length == 0 && this.movesCount >= 2) { // Capture const firstRank = { w: 7, b: 0 }; for (let c of ["w", "b"]) { @@ -92,28 +187,29 @@ export const VariantRules = class AtomicRules extends ChessRules { Math.abs(this.kingPos[c][1] - move.end.y) <= 1 ) { this.kingPos[c] = [-1, -1]; - this.castleFlags[c] = [false, false]; - } else { + this.castleFlags[c] = [8, 8]; + } + else { // Now check if init rook(s) exploded if (Math.abs(move.end.x - firstRank[c]) <= 1) { - if (Math.abs(move.end.y - this.INIT_COL_ROOK[c][0]) <= 1) - this.castleFlags[c][0] = false; - if (Math.abs(move.end.y - this.INIT_COL_ROOK[c][1]) <= 1) - this.castleFlags[c][1] = false; + if (Math.abs(move.end.y - this.castleFlags[c][0]) <= 1) + this.castleFlags[c][0] = 8; + if (Math.abs(move.end.y - this.castleFlags[c][1]) <= 1) + this.castleFlags[c][1] = 8; } } } } } - unupdateVariables(move) { - super.unupdateVariables(move); - const c = move.vanish[0].c; + postUndo(move) { + super.postUndo(move); + const c = this.turn; const oppCol = V.GetOppCol(c); + // NOTE: condition on movesCount for balanced setting if ( - [this.kingPos[c][0], this.kingPos[oppCol][0]].some(e => { - return e < 0; - }) + this.movesCount >= 1 && + [this.kingPos[c][0], this.kingPos[oppCol][0]].some(e => e < 0) ) { // There is a chance that last move blowed some king away.. for (let psq of move.vanish) { @@ -131,15 +227,16 @@ export const VariantRules = class AtomicRules extends ChessRules { // If opponent king disappeared, move is valid else if (this.kingPos[oppCol][0] < 0) res = false; // Otherwise, if we remain under check, move is not valid - else res = this.isAttacked(this.kingPos[color], [oppCol]); + else res = this.isAttacked(this.kingPos[color], oppCol); return res; } - getCheckSquares(color) { + getCheckSquares() { + const color = this.turn; let res = []; if ( this.kingPos[color][0] >= 0 && //king might have exploded - this.isAttacked(this.kingPos[color], [V.GetOppCol(color)]) + this.isAttacked(this.kingPos[color], V.GetOppCol(color)) ) { res = [JSON.parse(JSON.stringify(this.kingPos[color]))]; } @@ -152,9 +249,16 @@ export const VariantRules = class AtomicRules extends ChessRules { if (kp[0] < 0) // King disappeared return color == "w" ? "0-1" : "1-0"; - if (this.atLeastOneMove()) - return "*"; - if (!this.isAttacked(kp, [V.GetOppCol(color)])) return "1/2"; + if (this.atLeastOneMove()) return "*"; + if (!this.isAttacked(kp, V.GetOppCol(color))) return "1/2"; return color == "w" ? "0-1" : "1-0"; //checkmate } + + getNotation(move) { + if (move.appear.length == 0 && move.vanish.length == 1) + // First move in game (balanced == true) + return V.CoordsToSquare(move.start) + "X"; + return super.getNotation(move); + } + };