X-Git-Url: https://git.auder.net/?a=blobdiff_plain;f=client%2Fsrc%2Fvariants%2FSuction.js;h=0fc88ce431849089fb964172e69d79eb17897cae;hb=7ba4a5bc5b64e19a1e7f26aa232d5c50770d07ad;hp=bfb9fa00951862e8625e25296ca320e9130758f3;hpb=31e9e40ad45faba38612982cfb1d6bdfd98ae20f;p=vchess.git diff --git a/client/src/variants/Suction.js b/client/src/variants/Suction.js index bfb9fa00..0fc88ce4 100644 --- a/client/src/variants/Suction.js +++ b/client/src/variants/Suction.js @@ -1,6 +1,35 @@ import { ChessRules, PiPo, Move } from "@/base_rules"; -export const VariantRules = class AntimatterRules extends ChessRules { +export const VariantRules = class SuctionRules extends ChessRules { + setOtherVariables(fen) { + super.setOtherVariables(fen); + // Local stack of captures + this.cmoves = []; + const cmove = fen.split(" ")[5]; + if (cmove == "-") this.cmoves.push(null); + else { + this.cmoves.push({ + start: ChessRules.SquareToCoords(cmove.substr(0, 2)), + end: ChessRules.SquareToCoords(cmove.substr(2)) + }); + } + } + + static IsGoodFen(fen) { + if (!ChessRules.IsGoodFen(fen)) return false; + const fenParts = fen.split(" "); + if (fenParts.length != 6) return false; + if (fenParts[5] != "-" && !fenParts[5].match(/^([a-h][1-8]){2}$/)) + return false; + return true; + } + + getCmove(move) { + if (move.vanish.length == 2) + return { start: move.start, end: move.end }; + return null; + } + getBasicMove([sx, sy], [ex, ey]) { const startColor = this.getColor(sx, sy); const startPiece = this.getPiece(sx, sy); @@ -121,6 +150,27 @@ export const VariantRules = class AntimatterRules extends ChessRules { return []; } + // Does m2 un-do m1 ? (to disallow undoing captures) + oppositeMoves(m1, m2) { + return ( + m1 && + m2.vanish.length == 2 && + m1.start.x == m2.start.x && + m1.end.x == m2.end.x && + m1.start.y == m2.start.y && + m1.end.y == m2.end.y + ); + } + + filterValid(moves) { + if (moves.length == 0) return []; + const color = this.turn; + return moves.filter(m => { + const L = this.cmoves.length; //at least 1: init from FEN + return !this.oppositeMoves(this.cmoves[L - 1], m); + }); + } + updateVariables(move) { super.updateVariables(move); if (move.vanish.length == 2) { @@ -139,12 +189,32 @@ export const VariantRules = class AntimatterRules extends ChessRules { } } - atLeastOneMove() { - return true; + static GenRandInitFen(randomness) { + // Add empty cmove: + return ChessRules.GenRandInitFen(randomness) + " -"; } - filterValid(moves) { - return moves; + getFen() { + const L = this.cmoves.length; + const cmoveFen = !this.cmoves[L - 1] + ? "-" + : ChessRules.CoordsToSquare(this.cmoves[L - 1].start) + + ChessRules.CoordsToSquare(this.cmoves[L - 1].end); + return super.getFen() + " " + cmoveFen; + } + + play(move) { + this.cmoves.push(this.getCmove(move)); + super.play(move); + } + + undo(move) { + this.cmoves.pop(); + super.undo(move); + } + + atLeastOneMove() { + return true; } getCheckSquares() { @@ -166,4 +236,28 @@ export const VariantRules = class AntimatterRules extends ChessRules { // Very simple criterion for now: kings position return this.kingPos["w"][0] + this.kingPos["b"][0]; } + + getNotation(move) { + // Translate final square + const finalSquare = V.CoordsToSquare(move.end); + + const piece = this.getPiece(move.start.x, move.start.y); + if (piece == V.PAWN) { + // Pawn move + let notation = ""; + if (move.vanish.length == 2) { + // Capture + const startColumn = V.CoordToColumn(move.start.y); + notation = startColumn + "x" + finalSquare; + } + else notation = finalSquare; + return notation; + } + // Piece movement + return ( + piece.toUpperCase() + + (move.vanish.length == 2 ? "x" : "") + + finalSquare + ); + } };