X-Git-Url: https://git.auder.net/?p=vchess.git;a=blobdiff_plain;f=client%2Fclient_OLD%2Fjavascripts%2Fvariants%2FLosers.js;fp=client%2Fclient_OLD%2Fjavascripts%2Fvariants%2FLosers.js;h=0000000000000000000000000000000000000000;hp=33c8109351453bcb5ebc2d878574a4e296d61c73;hb=8d61fc4ab7373b4a576f3f9108cdf7768ae27096;hpb=760865ac92508676c0047b84c5ba3e12d41d7c20 diff --git a/client/client_OLD/javascripts/variants/Losers.js b/client/client_OLD/javascripts/variants/Losers.js deleted file mode 100644 index 33c81093..00000000 --- a/client/client_OLD/javascripts/variants/Losers.js +++ /dev/null @@ -1,185 +0,0 @@ -class LosersRules extends ChessRules -{ - static get HasFlags() { return false; } - - getPotentialPawnMoves([x,y]) - { - let moves = super.getPotentialPawnMoves([x,y]); - - // Complete with promotion(s) into king, if possible - const color = this.turn; - const shift = (color == "w" ? -1 : 1); - const lastRank = (color == "w" ? 0 : V.size.x-1); - if (x+shift == lastRank) - { - // Normal move - if (this.board[x+shift][y] == V.EMPTY) - moves.push(this.getBasicMove([x,y], [x+shift,y], {c:color,p:V.KING})); - // Captures - if (y>0 && this.canTake([x,y], [x+shift,y-1]) - && this.board[x+shift][y-1] != V.EMPTY) - { - moves.push(this.getBasicMove([x,y], [x+shift,y-1], {c:color,p:V.KING})); - } - if (y 0) - { - for (let k=0; k 0) - return true; - } - } - } - } - } - return false; - } - - // Trim all non-capturing moves - static KeepCaptures(moves) - { - return moves.filter(m => { return m.vanish.length == 2; }); - } - - getPossibleMovesFrom(sq) - { - let moves = this.filterValid( this.getPotentialMovesFrom(sq) ); - // This is called from interface: we need to know if a capture is possible - if (this.atLeastOneCapture()) - moves = V.KeepCaptures(moves); - return moves; - } - - getAllValidMoves() - { - let moves = super.getAllValidMoves(); - if (moves.some(m => { return m.vanish.length == 2; })) - moves = V.KeepCaptures(moves); - return moves; - } - - underCheck(color) - { - return false; //No notion of check - } - - getCheckSquares(move) - { - return []; - } - - // No variables update because no royal king + no castling - updateVariables(move) { } - unupdateVariables(move) { } - - checkGameEnd() - { - // No valid move: you win! - return this.turn == "w" ? "1-0" : "0-1"; - } - - static get VALUES() - { - // Experimental... - return { - 'p': 1, - 'r': 7, - 'n': 3, - 'b': 3, - 'q': 5, - 'k': 5 - }; - } - - static get SEARCH_DEPTH() { return 4; } - - evalPosition() - { - return - super.evalPosition(); //better with less material - } - - static GenRandInitFen() - { - let pieces = { "w": new Array(8), "b": new Array(8) }; - // Shuffle pieces on first and last rank - for (let c of ["w","b"]) - { - let positions = _.range(8); - - // Get random squares for bishops - let randIndex = 2 * _.random(3); - let bishop1Pos = positions[randIndex]; - // The second bishop must be on a square of different color - let randIndex_tmp = 2 * _.random(3) + 1; - let 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(5); - let knight1Pos = positions[randIndex]; - positions.splice(randIndex, 1); - randIndex = _.random(4); - let knight2Pos = positions[randIndex]; - positions.splice(randIndex, 1); - - // Get random square for queen - randIndex = _.random(3); - let queenPos = positions[randIndex]; - positions.splice(randIndex, 1); - - // Random square for king (no castle) - randIndex = _.random(2); - let kingPos = positions[randIndex]; - positions.splice(randIndex, 1); - - // Rooks positions are now fixed - let rook1Pos = positions[0]; - let rook2Pos = positions[1]; - - // 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'; - } - return pieces["b"].join("") + - "/pppppppp/8/8/8/8/PPPPPPPP/" + - pieces["w"].join("").toUpperCase() + - " w -"; //no en-passant - } -}