From: Benjamin Auder Date: Wed, 22 Jun 2022 14:22:13 +0000 (+0200) Subject: Fix memory leak of moves hash on server side. Draft Align4 X-Git-Url: https://git.auder.net/variants/Chakart/doc/scripts/img/pieces/cq.svg?a=commitdiff_plain;h=4cec374b0172e0888aa2fa33283ad72210be6e56;p=xogo.git Fix memory leak of moves hash on server side. Draft Align4 --- diff --git a/server.js b/server.js index dc8bd97..e08d13b 100644 --- a/server.js +++ b/server.js @@ -7,7 +7,6 @@ const wss = new WebSocket.Server({ let challenges = {}; //variantName --> socketId, name let games = {}; //gameId --> gameInfo (vname, fen, players, options, time) -let moveHash = {}; //gameId --> set of hashes seen so far let sockets = {}; //socketId --> socket const variants = require("./variants.js"); const Crypto = require("crypto"); @@ -28,14 +27,14 @@ function initializeGame(vname, players, options) { vname: vname, players: players, options: options, - time: Date.now() + time: Date.now(), + moveHash: {} //set of moves hashes seen so far }; return gid; } // Provide seed in case of, so that both players initialize with same FEN function launchGame(gid) { - moveHash[gid] = {}; const gameInfo = Object.assign( {seed: Math.floor(Math.random() * 19840), gid: gid}, games[gid] @@ -195,11 +194,11 @@ wss.on("connection", (socket, req) => { const hash = Crypto.createHash("md5") .update(JSON.stringify(obj.fen)) .digest("hex"); - if (moveHash[hash]) + if (games[obj.gid].moveHash[hash]) break; - moveHash[hash] = true; + games[obj.gid].moveHash[hash] = true; games[obj.gid].fen = obj.fen; - games[obj.gid].time = Date.now(); //update timestamp in case of + games[obj.gid].time = Date.now(); //update useful if verrry slow game const playingWhite = (games[obj.gid].players[0].sid == sid); const oppSid = games[obj.gid].players[playingWhite ? 1 : 0].sid; send(oppSid, "newmove", {moves: obj.moves}); diff --git a/variants.js b/variants.js index 8918f47..5d04f45 100644 --- a/variants.js +++ b/variants.js @@ -2,7 +2,7 @@ const variants = [ {name: 'Absorption', desc: 'Absorb powers'}, {name: 'Alapo', desc: 'Geometric Chess'}, {name: 'Alice', desc: 'Both sides of the mirror'}, -// {name: 'Align4', desc: 'Align four pawns'}, + {name: 'Align4', desc: 'Align four pawns'}, // {name: 'Allmate', desc: 'Mate any piece'}, {name: 'Ambiguous', desc: "Play opponent's pieces"}, // {name: 'Antiking1', desc: 'Keep antiking in check', disp: 'Anti-King'}, diff --git a/variants/Align4/class.js b/variants/Align4/class.js new file mode 100644 index 0000000..b7b0c4a --- /dev/null +++ b/variants/Align4/class.js @@ -0,0 +1,81 @@ +import ChessRules from "/base_rules.js"; + +export default class Align4Rules extends ChessRules { + + static get Options() { + return { + select: [{ + label: "Randomness", + variable: "randomness", + defaut: 0, + options: [ + {label: "Deterministic", value: 0}, + {label: "Random", value: 1} + ] + }], + styles: ["atomic", "capture", "cylinder"] + }; + } + + get hasReserve() { + return true; + } + get hasReserveFen() { + return false; + } + + genRandInitFen(seed) { + const baseFen = super.genRandInitFen(seed); + return "4k3/8" + baseFen.substring(17, 50) + " -"; //TODO: + flags 1188 + } + + setOtherVariables(fenParsed) { + super.setOtherVariables(fenParsed); + this.reserve = { b: { p: 1 } }; + } + + // Just do not update any reserve (infinite supply) + updateReserve() {} + + getCastleMoves([x, y]) { + if (this.GetColor(x, y) == 'b') + return []; + return super.getCastleMoves([x, y]); + } + + getCurrentScore(move) { + const score = super.getCurrentScore(move); + if (score != "*") + return score; + // Check pawns connection: + for (let i = 0; i < this.size.x; i++) { + for (let j = 0; j < this.size.y; j++) { + if ( + this.board[i][j] != "" && + this.getColor(i, j) == 'b' && + this.getPiece(i, j) == 'p' + ) { + // Exploration "rightward + downward" is enough + for (let step of [[1, 0], [0, 1], [1, 1], [-1, 1]]) { + let [ii, jj] = [i + step[0], j + step[1]]; + let kounter = 1; + while ( + this.onBoard(ii, jj) && + this.board[ii][jj] != "" && + this.getColor(ii, jj) == 'b' && + this.getPiece(ii, jj) == 'p' + ) { + kounter++; + ii += step[0]; + jj += step[1]; + } + if (kounter == 4) + return "0-1"; + } + } + } + } + return "*"; + } + +}; diff --git a/variants/Align4/rules.html b/variants/Align4/rules.html new file mode 100644 index 0000000..691a7a8 --- /dev/null +++ b/variants/Align4/rules.html @@ -0,0 +1,6 @@ +

+ Black goal is to align 4 pawns, either orthogonaly or diagonaly. + White goal is to checkmate the black king. +

+ +

Fynmorph [Discord] (2021).

diff --git a/variants/Align4/style.css b/variants/Align4/style.css new file mode 100644 index 0000000..a3550bc --- /dev/null +++ b/variants/Align4/style.css @@ -0,0 +1 @@ +@import url("/base_pieces.css");