利用尖端实时走法分析和策略辅助系统，提升您的国际象棋水平
目前为
// ==UserScript==
// @name 🏆 [#1 Chess Cheat] A.C.A.S (Advanced Chess Assistance System)
// @name:en 🏆 [#1 Chess Cheat] A.C.A.S (Advanced Chess Assistance System)
// @name:fi 🏆 [#1 Chess Cheat] A.C.A.S (Edistynyt shakkiavustusjärjestelmä)
// @name:sw 🏆 [#1 Chess Cheat] A.C.A.S (Advanserad Schack Assitant System)
// @name:zh-CN 🏆 [#1 Chess Cheat] A.C.A.S（高级国际象棋辅助系统）
// @name:es 🏆 [#1 Chess Cheat] A.C.A.S (Sistema Avanzado de Asistencia al Ajedrez)
// @name:hi 🏆 [#1 Chess Cheat] A.C.A.S (उन्नत शतरंज सहायता प्रणाली)
// @name:ar 🏆 [#1 Chess Cheat] A.C.A.S (نظام المساعدة المتقدم في الشطرنج)
// @name:pt 🏆 [#1 Chess Cheat] A.C.A.S (Sistema Avançado de Assistência ao Xadrez)
// @name:ja 🏆 [#1 Chess Cheat] A.C.A.S（先進的なチェス支援システム）
// @name:de 🏆 [#1 Chess Cheat] A.C.A.S (Fortgeschrittenes Schach-Hilfesystem)
// @name:fr 🏆 [#1 Chess Cheat] A.C.A.S (Système Avancé d'Assistance aux Échecs)
// @name:it 🏆 [#1 Chess Cheat] A.C.A.S (Sistema Avanzato di Assistenza agli Scacchi)
// @name:ko 🏆 [#1 Chess Cheat] A.C.A.S (고급 체스 보조 시스템)
// @name:nl 🏆 [#1 Chess Cheat] A.C.A.S (Geavanceerd Schaakondersteuningssysteem)
// @name:pl 🏆 [#1 Chess Cheat] A.C.A.S (Zaawansowany System Pomocy Szachowej)
// @name:tr 🏆 [#1 Chess Cheat] A.C.A.S (Gelişmiş Satranç Yardım Sistemi)
// @name:vi 🏆 [#1 Chess Cheat] A.C.A.S (Hệ Thống Hỗ Trợ Cờ Vua Nâng Cao)
// @name:uk 🏆 [#1 Chess Cheat] A.C.A.S (Система передової допомоги в шахах)
// @name:ru 🏆 [#1 Chess Cheat] A.C.A.S (Система расширенной помощи в шахматах)
// @description Enhance your chess performance with a cutting-edge real-time move analysis and strategy assistance system
// @description:en Enhance your chess performance with a cutting-edge real-time move analysis and strategy assistance system
// @description:fi Paranna shakkipelisi suorituskykyä huippuluokan reaaliaikaisen siirtoanalyysin ja strategisen avustusjärjestelmän avulla
// @description:sw Förbättra dina schackprestationer med ett banbrytande rörelseanalys i realtid och strategiassistans
// @description:zh-CN 利用尖端实时走法分析和策略辅助系统，提升您的国际象棋水平
// @description:es Mejora tu rendimiento en ajedrez con un sistema de análisis de movimientos en tiempo real y asistencia estratégica de vanguardia
// @description:hi अपने शतरंज प्रदर्शन को उन्नत करें, एक कटिंग-एज रियल-टाइम मूव विश्लेषण और रणनीति सहायता प्रणाली के साथ
// @description:ar قم بتحسين أداءك في الشطرنج مع تحليل حركات اللعب في الوقت الحقيقي ونظام مساعدة استراتيجية حديث
// @description:pt Melhore seu desempenho no xadrez com uma análise de movimentos em tempo real e um sistema avançado de assistência estratégica
// @description:ja 最新のリアルタイムのムーブ分析と戦略支援システムでチェスのパフォーマンスを向上させましょう
// @description:de Verbessern Sie Ihre Schachleistung mit einer hochmodernen Echtzeitzug-Analyse- und Strategiehilfe-System
// @description:fr Améliorez vos performances aux échecs avec une analyse de mouvement en temps réel de pointe et un système d'assistance stratégique
// @description:it Migliora le tue prestazioni agli scacchi con un sistema all'avanguardia di analisi dei movimenti in tempo reale e assistenza strategica
// @description:ko 최첨단 실시간 움직임 분석 및 전략 지원 시스템으로 체스 성과 향상
// @description:nl Verbeter je schaakprestaties met een geavanceerd systeem voor realtime zetanalyse en strategische ondersteuning
// @description:pl Popraw swoje osiągnięcia w szachach dzięki zaawansowanemu systemowi analizy ruchów w czasie rzeczywistym i wsparciu strategicznemu
// @description:tr Keskinleşmiş gerçek zamanlı hareket analizi ve strateji yardım sistemiyle satranç performansınızı artırın
// @description:vi Nâng cao hiệu suất cờ vua của bạn với hệ thống phân tích nước đi và hỗ trợ chiến thuật hiện đại
// @description:uk Покращуйте свою шахову гру з використанням передової системи аналізу ходів в режимі реального часу та стратегічної підтримки
// @description:ru Слава Украине
// @homepageURL https://hakorr.github.io/A.C.A.S
// @supportURL https://github.com/Hakorr/A.C.A.S/tree/main#why-doesnt-it-work
// @match https://hakorr.github.io/A.C.A.S/*
// @match http://localhost/*
// @match https://www.chess.com/*
// @match https://lichess.org/*
// @match https://playstrategy.org/*
// @match https://www.pychess.org/*
// @match https://chess.org/*
// @match https://papergames.io/*
// @match https://vole.wtf/kilobytes-gambit/
// @match https://chess.coolmath-games.com/*
// @match https://www.coolmathgames.com/0-chess/*
// @match https://immortal.game/*
// @match https://chessarena.com/*
// @match http://chess.net/*
// @match https://www.freechess.club/*
// @match https://*chessclub.com/*
// @match https://gameknot.com/*
// @match https://chesstempo.com/*
// @match https://www.redhotpawn.com/*
// @match https://www.chessanytime.com/*
// @match https://chessworld.net/*
// @grant GM_getValue
// @grant GM_setValue
// @grant GM_deleteValue
// @grant GM_listValues
// @grant GM_registerMenuCommand
// @grant GM_openInTab
// @grant GM_addStyle
// @grant GM_setClipboard
// @grant GM_notification
// @grant unsafeWindow
// @run-at document-start
// @require https://greasyfork.org/scripts/470418-commlink-js/code/CommLinkjs.js
// @require https://greasyfork.org/scripts/470417-universalboarddrawer-js/code/UniversalBoardDrawerjs.js
// @icon https://raw.githubusercontent.com/Hakorr/A.C.A.S/main/assets/images/grey-logo.png
// @version 2.0.9
// @namespace HKR
// @author HKR
// @license GPL-3.0
// ==/UserScript==
/*
e e88~-_ e ,d88~~\
d8b d888 \ d8b 8888
/Y88b 8888 /Y88b `Y88b
/ Y88b 8888 / Y88b `Y88b,
/____Y88b d88b Y888 / d88b /____Y88b d88b 8888
/ Y88b Y88P "88_-~ Y88P / Y88b Y88P \__88P'
Advanced Chess Assistance System (A.C.A.S) v2 | Q3 2023
[WARNING]
- Please be advised that the use of A.C.A.S may violate the rules and lead to disqualification or banning from tournaments and online platforms.
- The developers of A.C.A.S and related systems will NOT be held accountable for any consequences resulting from its use.
- We strongly advise to use A.C.A.S only in a controlled environment ethically.
[ADDITIONAL]
- Big fonts created with: https://www.patorjk.com/software/taag/ (Cyberlarge)
JOIN THE DISCUSSION ABOUT USERSCRIPTS IN GENERAL @ https://hakorr.github.io/Userscripts/community/invite ("Userscript Hub")
DANGER ZONE - DO NOT PROCEED IF YOU DON'T KNOW WHAT YOU'RE DOING*\
\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
//////////////////////////////////////////////////////////////////
DANGER ZONE - DO NOT PROCEED IF YOU DON'T KNOW WHAT YOU'RE DOING*/
/*
______ _____ ______ _______
| ____ | | | |_____] |_____| |
|_____| |_____ |_____| |_____] | | |_____
Code below this point runs on any site, including the GUI.
*/
// KEEP THESE AS FALSE ON PRODUCTION
const debugModeActivated = false;
const onlyUseDevelopmentBackend = false;
const backendURLs = {
'production': 'https://hakorr.github.io/A.C.A.S/',
'development': 'http://localhost/A.C.A.S/'
};
const greasyforkURL = 'https://greasyfork.org/en/scripts/459137';
const domain = window.location.hostname.replace('www.', '');
const isBackendUrlUpToDate = Object.values(backendURLs).includes(GM_getValue('currentBackendURL'));
function isRunningOnBackend() {
const foundBackendURL = Object.values(backendURLs).find(url => window?.location?.href.includes(url));
if(foundBackendURL) {
GM_setValue('currentBackendURL', foundBackendURL);
return true;
}
return false;
}
function getCurrentBackendURL(skipGmStorage) {
const backendURL = skipGmStorage
? (backendURLs?.production || backendURLs?.development)
: (GM_getValue('currentBackendURL') || backendURLs?.production || backendURLs?.development);
return onlyUseDevelopmentBackend
? backendURLs?.development
: backendURL;
}
if(!isBackendUrlUpToDate) {
GM_setValue('currentBackendURL', getCurrentBackendURL(true));
}
function createInstanceVariable(dbValue) {
return {
set: (instanceID, value) => GM_setValue(dbValues[dbValue](instanceID), { value, 'date': Date.now() }),
get: instanceID => {
const data = GM_getValue(dbValues[dbValue](instanceID));
if(data?.date) {
data.date = Date.now();
GM_setValue(dbValues[dbValue](instanceID), data);
}
return data?.value;
}
}
}
const tempValueIndicator = '-temp-value-';
const dbValues = {
AcasConfig: 'AcasConfig',
playerColor: instanceID => 'playerColor' + tempValueIndicator + instanceID,
turn: instanceID => 'turn' + tempValueIndicator + instanceID,
fen: instanceID => 'fen' + tempValueIndicator + instanceID
};
const instanceVars = {
playerColor: createInstanceVariable('playerColor'),
turn: createInstanceVariable('turn'),
fen: createInstanceVariable('fen')
};
if(isRunningOnBackend()) {
// expose variables and functions
unsafeWindow.USERSCRIPT = {
'GM_info': GM_info,
'GM_getValue': val => GM_getValue(val),
'GM_setValue': (val, data) => GM_setValue(val, data),
'GM_deleteValue': val => GM_deleteValue(val),
'GM_listValues': val => GM_listValues(val),
'tempValueIndicator': tempValueIndicator,
'dbValues': dbValues,
'instanceVars': instanceVars,
'CommLinkHandler': CommLinkHandler,
};
return;
}
/*
_______ _ _ _______ _______ _______ _______ _____ _______ _______ _______
| |_____| |______ |______ |______ |______ | | |______ |______
|_____ | | |______ ______| ______| ______| __|__ | |______ ______|
Code below this point only runs on chess sites, not on the GUI itself.
*/
function getUniqueID() {
return ([1e7]+-1e3+4e3+-8e3+-1e11).replace(/[018]/g, c =>
(c ^ crypto.getRandomValues(new Uint8Array(1))[0] & 15 >> c / 4).toString(16)
)
}
const commLinkInstanceID = getUniqueID();
const blacklistedURLs = [
'https://hakorr.github.io/A.C.A.S/',
'https://hakorr.github.io/A.C.A.S/why/',
'https://hakorr.github.io/A.C.A.S/tos/',
'http://localhost/A.C.A.S/',
'https://www.chess.com/play',
'https://lichess.org/',
'https://chess.org/',
'https://papergames.io/en/chess',
'https://playstrategy.org/',
'https://www.pychess.org/',
'https://www.coolmathgames.com/0-chess',
'https://chess.net/'
];
const configKeys = {
'engineElo': 'engineElo',
'moveSuggestionAmount': 'moveSuggestionAmount',
'arrowOpacity': 'arrowOpacity',
'displayMovesOnExternalSite': 'displayMovesOnExternalSite',
'showMoveGhost': 'showMoveGhost',
'showOpponentMoveGuess': 'showOpponentMoveGuess',
'onlyShowTopMoves': 'onlyShowTopMoves',
'maxMovetime': 'maxMovetime',
'chessVariant': 'chessVariant',
'chessFont': 'chessFont',
'useChess960': 'useChess960',
'onlyCalculateOwnTurn': 'onlyCalculateOwnTurn'
};
const config = {};
Object.values(configKeys).forEach(key => {
config[key] = {
get: () => getGmConfigValue(key, commLinkInstanceID),
set: null
};
});
let BoardDrawer = null;
let chessBoardElem = null;
let chesscomVariantBoardCoordsTable = null;
let activeSiteMoveHighlights = [];
let inactiveGuiMoveMarkings = [];
let lastBoardRanks = null;
let lastBoardFiles = null;
let lastBoardSize = null;
let lastPieceSize = null;
let lastBoardOrientation = null;
const supportedSites = {};
const pieceNameToFen = {
'pawn': 'p',
'knight': 'n',
'bishop': 'b',
'rook': 'r',
'queen': 'q',
'king': 'k'
};
const arrowStyles = {
'best': `
fill: limegreen;
opacity: ${getConfigValue(configKeys.arrowOpacity)/100 || '0.9'};
stroke: rgb(0 0 0 / 50%);
stroke-width: 2px;
stroke-linejoin: round;
`,
'secondary': `
fill: dodgerblue;
opacity: ${getConfigValue(configKeys.arrowOpacity)/100 || '0.7'};
stroke: rgb(0 0 0 / 50%);
stroke-width: 2px;
stroke-linejoin: round;
`,
'opponent': `
fill: crimson;
stroke: rgb(0 0 0 / 25%);
stroke-width: 2px;
stroke-linejoin: round;
display: none;
opacity: ${getConfigValue(configKeys.arrowOpacity)/100 || '0.3'};
`
};
const CommLink = new CommLinkHandler(`frontend_${commLinkInstanceID}`, {
'singlePacketResponseWaitTime': 1500,
'maxSendAttempts': 3,
'statusCheckInterval': 1,
'silentMode': true
});
// manually register a command so that the variables are dynamic
CommLink.commands['createInstance'] = async () => {
return await CommLink.send('mum', 'createInstance', {
'domain': domain,
'instanceID': commLinkInstanceID,
'chessVariant': getChessVariant(),
'playerColor': getPlayerColorVariable()
});
}
CommLink.registerSendCommand('ping', { commlinkID: 'mum', data: 'ping' });
CommLink.registerSendCommand('pingInstance', { data: 'ping' });
CommLink.registerSendCommand('log');
CommLink.registerSendCommand('updateBoardOrientation');
CommLink.registerSendCommand('updateBoardFen');
CommLink.registerSendCommand('calculateBestMoves');
CommLink.registerListener(`backend_${commLinkInstanceID}`, packet => {
try {
switch(packet.command) {
case 'ping':
return `pong (took ${Date.now() - packet.date}ms)`;
case 'getFen':
return getFen();
case 'removeSiteMoveMarkings':
boardUtils.removeBestMarkings();
return true;
case 'markMoveToSite':
boardUtils.markMove(packet.data);
return true;
}
} catch(e) {
return null;
}
});
const boardUtils = {
markMove: moveObj => {
if(!getConfigValue(configKeys.displayMovesOnExternalSite)) return;
const [from, to] = moveObj.player;
const [opponentFrom, opponentTo] = moveObj.opponent;
const ranking = moveObj.ranking;
const existingExactSameMoveObj = activeSiteMoveHighlights.find(obj => {
const [activeFrom, activeTo] = obj.player;
const [activeOpponentFrom, activeOpponentTo] = obj.opponent;
return from == activeFrom
&& to == activeTo
&& opponentFrom == activeOpponentFrom
&& opponentTo == activeOpponentTo;
});
activeSiteMoveHighlights.map(obj => {
const [activeFrom, activeTo] = obj.player;
const existingSameMoveObj = from == activeFrom && to == activeTo;
if(existingSameMoveObj) {
obj.promotedRanking = 1;
}
return obj;
});
const exactSameMoveDoesNotExist = typeof existingExactSameMoveObj !== 'object';
if(exactSameMoveDoesNotExist) {
const showOpponentMoveGuess = getConfigValue(configKeys.showOpponentMoveGuess);
const opponentMoveGuessExists = typeof opponentFrom == 'string';
const arrowStyle = ranking == 1 ? arrowStyles.best : arrowStyles.secondary;
let opponentArrowElem = null;
// create player move arrow element
const arrowElem = BoardDrawer.createShape('arrow', [from, to],
{ style: arrowStyle }
);
// create opponent move arrow element
if(opponentMoveGuessExists && showOpponentMoveGuess) {
opponentArrowElem = BoardDrawer.createShape('arrow', [opponentFrom, opponentTo],
{ style: arrowStyles.opponent }
);
const squareListener = BoardDrawer.addSquareListener(from, type => {
if(!opponentArrowElem) {
squareListener.remove();
}
switch(type) {
case 'enter':
opponentArrowElem.style.display = 'inherit';
break;
case 'leave':
opponentArrowElem.style.display = 'none';
break;
}
});
}
activeSiteMoveHighlights.push({
...moveObj,
'opponentArrowElem': opponentArrowElem,
'playerArrowElem': arrowElem
});
}
boardUtils.removeOldMarkings();
boardUtils.paintMarkings();
},
removeOldMarkings: () => {
const markingLimit = getConfigValue(configKeys.moveSuggestionAmount);
const showGhost = getConfigValue(configKeys.showMoveGhost);
const exceededMarkingLimit = activeSiteMoveHighlights.length > markingLimit;
if(exceededMarkingLimit) {
const amountToRemove = activeSiteMoveHighlights.length - markingLimit;
for(let i = 0; i < amountToRemove; i++) {
const oldestMarkingObj = activeSiteMoveHighlights[0];
activeSiteMoveHighlights = activeSiteMoveHighlights.slice(1);
if(oldestMarkingObj?.playerArrowElem?.style) {
oldestMarkingObj.playerArrowElem.style.fill = 'grey';
oldestMarkingObj.playerArrowElem.style.opacity = '0';
oldestMarkingObj.playerArrowElem.style.transition = 'opacity 2.5s ease-in-out';
}
if(oldestMarkingObj?.opponentArrowElem?.style) {
oldestMarkingObj.opponentArrowElem.style.fill = 'grey';
oldestMarkingObj.opponentArrowElem.style.opacity = '0';
oldestMarkingObj.opponentArrowElem.style.transition = 'opacity 2.5s ease-in-out';
}
if(showGhost) {
inactiveGuiMoveMarkings.push(oldestMarkingObj);
} else {
oldestMarkingObj.playerArrowElem?.remove();
oldestMarkingObj.opponentArrowElem?.remove();
}
}
}
if(showGhost) {
inactiveGuiMoveMarkings.forEach(markingObj => {
const activeDuplicateArrow = activeSiteMoveHighlights.find(x => {
const samePlayerArrow = x.player?.toString() == markingObj.player?.toString();
const sameOpponentArrow = x.opponent?.toString() == markingObj.opponent?.toString();
return samePlayerArrow && sameOpponentArrow;
});
const duplicateExists = activeDuplicateArrow ? true : false;
const removeArrows = () => {
inactiveGuiMoveMarkings = inactiveGuiMoveMarkings.filter(x => x.playerArrowElem != markingObj.playerArrowElem);
markingObj.playerArrowElem?.remove();
markingObj.opponentArrowElem?.remove();
}
if(duplicateExists) {
removeArrows();
} else {
setTimeout(removeArrows, 2500);
}
});
}
},
paintMarkings: () => {
const newestBestMarkingIndex = activeSiteMoveHighlights.findLastIndex(obj => obj.ranking == 1);
const newestPromotedBestMarkingIndex = activeSiteMoveHighlights.findLastIndex(obj => obj?.promotedRanking == 1);
const lastMarkingIndex = activeSiteMoveHighlights.length - 1;
const isLastMarkingBest = newestBestMarkingIndex == -1 && newestPromotedBestMarkingIndex == -1;
const bestIndex = isLastMarkingBest ? lastMarkingIndex : Math.max(...[newestBestMarkingIndex, newestPromotedBestMarkingIndex]);
let bestMoveMarked = false;
activeSiteMoveHighlights.forEach((markingObj, idx) => {
const isBestMarking = idx == bestIndex;
if(isBestMarking) {
markingObj.playerArrowElem.style.cssText = arrowStyles.best;
const playerArrowElem = markingObj.playerArrowElem
const opponentArrowElem = markingObj.opponentArrowElem;
// move best arrow element on top (multiple same moves can hide the best move)
const parentElem = markingObj.playerArrowElem.parentElement;
parentElem.appendChild(playerArrowElem);
if(opponentArrowElem) {
parentElem.appendChild(opponentArrowElem);
}
bestMoveMarked = true;
} else {
markingObj.playerArrowElem.style.cssText = arrowStyles.secondary;
}
});
},
removeBestMarkings: () => {
activeSiteMoveHighlights.forEach(markingObj => {
markingObj.opponentArrowElem?.remove();
markingObj.playerArrowElem?.remove();
});
activeSiteMoveHighlights = [];
},
setBoardOrientation: orientation => {
if(BoardDrawer) {
if(debugModeActivated) console.warn('setBoardOrientation', orientation);
BoardDrawer.setOrientation(orientation);
}
},
setBoardDimensions: dimensionArr => {
if(BoardDrawer) {
if(debugModeActivated) console.warn('setBoardDimensions', dimensionArr);
BoardDrawer.setBoardDimensions(dimensionArr);
}
}
};
function displayImportantNotification(title, text) {
if(typeof GM_notification === 'function') {
GM_notification({ title: title, text: text });
} else {
alert(`[${title}]` + '\n\n' + text);
}
}
function filterInvisibleElems(elementArr, inverse) {
return [...elementArr].filter(elem => {
const style = getComputedStyle(elem);
const bounds = elem.getBoundingClientRect();
const isHidden =
style.visibility === 'hidden' ||
style.display === 'none' ||
style.opacity === '0' ||
bounds.width == 0 ||
bounds.height == 0;
return inverse ? isHidden : !isHidden;
});
}
function getElementSize(elem) {
const rect = elem.getBoundingClientRect();
if(rect.width !== 0 && rect.height !== 0) {
return { width: rect.width, height: rect.height };
}
const computedStyle = window.getComputedStyle(elem);
const width = parseFloat(computedStyle.width);
const height = parseFloat(computedStyle.height);
return { width, height };
}
function extractElemTransformData(elem) {
const computedStyle = window.getComputedStyle(elem);
const transformMatrix = new DOMMatrix(computedStyle.transform);
const x = transformMatrix.e;
const y = transformMatrix.f;
return [x, y];
}
function getElemCoordinatesFromTransform(elem, config) {
const onlyFlipX = config?.onlyFlipX;
const onlyFlipY = config?.onlyFlipY;
lastBoardSize = getElementSize(chessBoardElem);
const [files, ranks] = getBoardDimensions();
lastBoardRanks = ranks;
lastBoardFiles = files;
const boardOrientation = getPlayerColorVariable();
let [x, y] = extractElemTransformData(elem);
const boardDimensions = lastBoardSize;
let squareDimensions = boardDimensions.width / lastBoardRanks;
const normalizedX = Math.round(x / squareDimensions);
const normalizedY = Math.round(y / squareDimensions);
if(onlyFlipY || boardOrientation === 'w') {
const flippedY = lastBoardFiles - normalizedY - 1;
return [normalizedX, flippedY];
} else {
const flippedX = lastBoardRanks - normalizedX - 1;
return [flippedX, normalizedY];
}
}
function getElemCoordinatesFromLeftBottomPercentages(elem) {
if(!lastBoardRanks || !lastBoardFiles) {
const [files, ranks] = getBoardDimensions();
lastBoardRanks = ranks;
lastBoardFiles = files;
}
const boardOrientation = getPlayerColorVariable();
const leftPercentage = parseFloat(elem.style.left?.replace('%', ''));
const bottomPercentage = parseFloat(elem.style.bottom?.replace('%', ''));
const x = Math.max(Math.round(leftPercentage / (100 / lastBoardRanks)), 0);
const y = Math.max(Math.round(bottomPercentage / (100 / lastBoardFiles)), 0);
if (boardOrientation === 'w') {
return [x, y];
} else {
const flippedX = lastBoardRanks - (x + 1);
const flippedY = lastBoardFiles - (y + 1);
return [flippedX, flippedY];
}
}
function getElemCoordinatesFromLeftTopPixels(elem) {
const pieceSize = getElementSize(elem);
const leftPixels = parseFloat(elem.style.left?.replace('px', ''));
const topPixels = parseFloat(elem.style.top?.replace('px', ''));
const x = Math.max(Math.round(leftPixels / pieceSize.width), 0);
const y = Math.max(Math.round(topPixels / pieceSize.width), 0);
const boardOrientation = getPlayerColorVariable();
if (boardOrientation === 'w') {
const flippedY = lastBoardFiles - (y + 1);
return [x, flippedY];
} else {
const flippedX = lastBoardRanks - (x + 1);
return [flippedX, y];
}
}
function createChesscomVariantBoardCoordsTable() {
chesscomVariantBoardCoordsTable = {};
const boardElem = getBoardElem();
const [boardWidth, boardHeight] = getBoardDimensions();
const boardOrientation = getBoardOrientation();
const squareElems = getSquareElems(boardElem);
let squareIndex = 0;
for(let x = 0; x < boardWidth; x++) {
for(let y = boardHeight; y > 0; y--) {
const squareElem = squareElems[squareIndex];
const id = squareElem?.id;
const xIdx = x;
const yIdx = y - 1;
if(id) {
chesscomVariantBoardCoordsTable[id] = [xIdx, yIdx];
}
squareIndex++;
}
}
}
function getBoardDimensionsFromSize() {
const boardDimensions = getElementSize(chessBoardElem);
lastBoardSize = getElementSize(chessBoardElem);
const boardWidth = boardDimensions?.width;
const boardHeight = boardDimensions.height;
const boardPiece = getPieceElem();
if(boardPiece) {
const pieceDimensions = getElementSize(boardPiece);
lastPieceSize = getElementSize(boardPiece);
const boardPieceWidth = pieceDimensions?.width;
const boardPieceHeight = pieceDimensions?.height;
const boardRanks = Math.floor(boardWidth / boardPieceWidth);
const boardFiles = Math.floor(boardHeight / boardPieceHeight);
const ranksInAllowedRange = 0 < boardRanks && boardRanks <= 69;
const filesInAllowedRange = 0 < boardFiles && boardFiles <= 69;
if(ranksInAllowedRange && filesInAllowedRange) {
return [boardRanks, boardFiles];
}
}
}
function defaultTurnFromMutation(mutationArr) {
const allChessPieceElems = getPieceElem(true);
const attributeMutationArr = mutationArr.filter(m => allChessPieceElems.includes(m.target));
const movedChessPieceElem = attributeMutationArr?.[0]?.target;
if(movedChessPieceElem) {
const pieceFen = getPieceElemFen(movedChessPieceElem);
if(pieceFen) {
const newTurn = getFenPieceOppositeColor(pieceFen);
if(newTurn?.length === 1) {
instanceVars.turn.set(commLinkInstanceID, newTurn);
return newTurn;
}
}
}
}
function chessCoordinatesToIndex(coord) {
const x = coord.charCodeAt(0) - 97;
let y = null;
const lastHalf = coord.slice(1);
if(lastHalf === ':') {
y = 9;
} else {
y = Number(coord.slice(1)) - 1;
}
return [x, y];
}
function getGmConfigValue(key, instanceID) {
const config = GM_getValue(dbValues.AcasConfig);
const instanceValue = config?.instance?.[instanceID]?.[key];
const globalValue = config?.global?.[key];
if(instanceValue !== undefined) {
return instanceValue;
}
if(globalValue !== undefined) {
return globalValue;
}
return null;
}
function getConfigValue(key) {
return config[key]?.get();
}
function setConfigValue(key, val) {
return config[key]?.set(val);
}
function squeezeEmptySquares(fenStr) {
return fenStr.replace(/1+/g, match => match.length);
}
function getPlayerColorVariable() {
return instanceVars.playerColor.get(commLinkInstanceID);
}
function getFenPieceColor(pieceFenStr) {
return pieceFenStr == pieceFenStr.toUpperCase() ? 'w' : 'b';
}
function getFenPieceOppositeColor(pieceFenStr) {
return getFenPieceColor(pieceFenStr) == 'w' ? 'b' : 'w';
}
function convertPieceStrToFen(str) {
if(!str || str.length !== 2) {
return null;
}
const firstChar = str[0].toLowerCase();
const secondChar = str[1];
if(firstChar === 'w') {
return secondChar.toUpperCase();
} else if (firstChar === 'b') {
return secondChar.toLowerCase();
}
return null;
}
function getCanvasPixelColor(canvas, [xPercentage, yPercentage], debug) {
const ctx = canvas.getContext('2d');
const x = xPercentage * canvas.width;
const y = yPercentage * canvas.height;
const imageData = ctx.getImageData(x, y, 1, 1);
const pixel = imageData.data;
const brightness = (pixel[0] + pixel[1] + pixel[2]) / 3;
if(debug) {
const clonedCanvas = document.createElement('canvas');
clonedCanvas.width = canvas.width;
clonedCanvas.height = canvas.height;
const clonedCtx = clonedCanvas.getContext('2d');
clonedCtx.drawImage(canvas, 0, 0);
clonedCtx.fillStyle = 'red';
clonedCtx.beginPath();
clonedCtx.arc(x, y, 1, 0, Math.PI * 2);
clonedCtx.fill();
const dataURL = clonedCanvas.toDataURL();
console.log(canvas, pixel, dataURL);
}
return brightness < 128 ? 'b' : 'w';
}
function canvasHasPixelAt(canvas, [xPercentage, yPercentage], debug) {
xPercentage = Math.min(Math.max(xPercentage, 0), 100);
yPercentage = Math.min(Math.max(yPercentage, 0), 100);
const ctx = canvas.getContext('2d');
const x = xPercentage * canvas.width;
const y = yPercentage * canvas.height;
const imageData = ctx.getImageData(x, y, 1, 1);
const pixel = imageData.data;
if(debug) {
const clonedCanvas = document.createElement('canvas');
clonedCanvas.width = canvas.width;
clonedCanvas.height = canvas.height;
const clonedCtx = clonedCanvas.getContext('2d');
clonedCtx.drawImage(canvas, 0, 0);
clonedCtx.fillStyle = 'red';
clonedCtx.beginPath();
clonedCtx.arc(x, y, 1, 0, Math.PI * 2);
clonedCtx.fill();
const dataURL = clonedCanvas.toDataURL();
console.log(canvas, pixel, dataURL);
}
return pixel[3] !== 0;
}
function getSiteData(dataType, obj) {
const pathname = window.location.pathname;
let dataObj = { pathname };
if(obj && typeof obj === 'object') {
dataObj = { ...dataObj, ...obj };
}
const dataHandlerFunction = supportedSites[domain]?.[dataType];
if(typeof dataHandlerFunction !== 'function') {
return null;
}
const result = dataHandlerFunction(dataObj);
//if(debugModeActivated) console.warn('GET_SITE_DATA', '| DATA_TYPE:', dataType, '| INPUT_OBJ:', obj, '| DATA_OBJ:', dataObj, '| RESULT:', result);
return result;
}
function addSupportedChessSite(domain, typeHandlerObj) {
supportedSites[domain] = typeHandlerObj;
}
function getBoardElem() {
const boardElem = getSiteData('boardElem');
return boardElem || null;
}
function getPieceElem(getAll) {
const boardElem = getBoardElem();
const boardQuerySelector = (getAll ? query => [...boardElem?.querySelectorAll(query)] : boardElem?.querySelector?.bind(boardElem));
if(typeof boardQuerySelector !== 'function')
return null;
const pieceElem = getSiteData('pieceElem', { boardQuerySelector, getAll });
return pieceElem || null;
}
function getSquareElems(element) {
const squareElems = getSiteData('squareElems', { element });
return squareElems || null;
}
function getChessVariant() {
const chessVariant = getSiteData('chessVariant');
return chessVariant || null;
}
function getBoardOrientation() {
const boardOrientation = getSiteData('boardOrientation');
return boardOrientation || null;
}
function getPieceElemFen(pieceElem) {
const pieceFen = getSiteData('pieceElemFen', { pieceElem });
return pieceFen || null;
}
// this function gets called a lot, needs to be optimized
function getPieceElemCoords(pieceElem) {
const pieceCoords = getSiteData('pieceElemCoords', { pieceElem });
return pieceCoords || null;
}
function getBoardDimensions() {
const boardDimensionArr = getSiteData('boardDimensions');
if(boardDimensionArr) {
lastBoardRanks = boardDimensionArr[0];
lastBoardFiles = boardDimensionArr[1];
return boardDimensionArr;
} else {
lastBoardRanks = 8;
lastBoardFiles = 8;
return [8, 8];
}
}
function isMutationNewMove(mutationArr) {
const isNewMove = getSiteData('isMutationNewMove', { mutationArr });
return isNewMove || false;
}
function getMutationTurn(mutationArr) {
const turn = getSiteData('turnFromMutation', { mutationArr });
return turn || getPlayerColorVariable();
}
function getFen(onlyBasic) {
const [boardRanks, boardFiles] = getBoardDimensions();
if(debugModeActivated) console.warn('getFen()', 'onlyBasic:', onlyBasic, 'Ranks:', boardRanks, 'Files:', boardFiles);
const board = Array.from({ length: boardFiles }, () => Array(boardRanks).fill(1));
function getBasicFen() {
const pieceElems = getPieceElem(true);
const isValidPieceElemsArray = Array.isArray(pieceElems) || pieceElems instanceof NodeList;
if(isValidPieceElemsArray) {
pieceElems.forEach(pieceElem => {
const pieceFenCode = getPieceElemFen(pieceElem);
const pieceCoordsArr = getPieceElemCoords(pieceElem);
if(debugModeActivated) console.warn('pieceElem', pieceElem, 'pieceFenCode', pieceFenCode, 'pieceCoordsArr', pieceCoordsArr);
try {
const [xIdx, yIdx] = pieceCoordsArr;
board[boardFiles - (yIdx + 1)][xIdx] = pieceFenCode;
} catch(e) {
if(debugModeActivated) console.error(e);
}
});
}
return squeezeEmptySquares(board.map(x => x.join('')).join('/'));
}
const basicFen = getBasicFen();
if(debugModeActivated) console.warn('basicFen', basicFen);
if(onlyBasic) {
return basicFen;
}
return `${basicFen} ${getPlayerColorVariable()} - - - -`;
}
function onNewMove(mutationArr, bypassFenChangeDetection) {
const currentFullFen = getFen();
const lastFullFen = instanceVars.fen.get(commLinkInstanceID);
const fenChanged = currentFullFen !== lastFullFen;
setTimeout(() => {
if(getFen() !== instanceVars.fen.get(commLinkInstanceID)) {
onNewMove(null, true);
}
}, 500);
if(fenChanged || bypassFenChangeDetection) {
if(debugModeActivated) console.warn('NEW MOVE DETECTED!');
chesscomVariantBoardCoordsTable = null;
boardUtils.setBoardDimensions(getBoardDimensions());
const lastPlayerColor = getPlayerColorVariable();
updatePlayerColor();
const playerColor = getPlayerColorVariable();
const orientationChanged = playerColor != lastPlayerColor;
if(orientationChanged) {
CommLink.commands.log(`Player color (e.g. board orientation) changed from ${lastPlayerColor} to ${playerColor}!`);
chesscomVariantBoardCoordsTable = null;
instanceVars.turn.set(commLinkInstanceID, playerColor);
CommLink.commands.log(`Turn updated to ${playerColor}!`);
}
boardUtils.removeBestMarkings();
CommLink.commands.updateBoardFen(currentFullFen);
const turn = mutationArr ? getMutationTurn(mutationArr) : playerColor;
const onlyCalculateOwnTurn = getConfigValue(configKeys.onlyCalculateOwnTurn);
if(debugModeActivated) console.warn('TURN:', turn, '| PLAYERCOLOR:', playerColor, '| ORIENTATION_CHANGED:', orientationChanged, '| ONLY_CALC_OWN_TURN:', onlyCalculateOwnTurn);
if(orientationChanged || !onlyCalculateOwnTurn || turn === playerColor) {
CommLink.commands.calculateBestMoves(currentFullFen);
}
}
}
function observeNewMoves() {
let lastProcessedFen = null;
const boardObserver = new MutationObserver(mutationArr => {
if(debugModeActivated) console.log(mutationArr);
if(isMutationNewMove(mutationArr))
{
if(debugModeActivated) console.warn('Mutation is a new move:', mutationArr);
if(domain === 'chess.org')
{
setTimeout(() => onNewMove(mutationArr), 250);
}
else
{
onNewMove(mutationArr);
}
}
});
boardObserver.observe(chessBoardElem, { childList: true, subtree: true, attributes: true });
}
async function updatePlayerColor() {
const boardOrientation = getBoardOrientation();
const boardOrientationChanged = lastBoardOrientation !== boardOrientation;
const boardOrientationDiffers = BoardDrawer && BoardDrawer?.orientation !== boardOrientation;
if(boardOrientationChanged || boardOrientationDiffers) {
lastBoardOrientation = boardOrientation;
instanceVars.playerColor.set(commLinkInstanceID, boardOrientation);
instanceVars.turn.set(commLinkInstanceID, boardOrientation);
boardUtils.setBoardOrientation(boardOrientation);
await CommLink.commands.updateBoardOrientation(boardOrientation);
}
}
/*
_______ _____ _______ _______ _______ _____ _______ _______ _____ _______ _____ _______
|______ | | |______ |______ |_____] |______ | | |______ | |
______| __|__ | |______ ______| | |______ |_____ __|__ | __|__ |_____
Code below this point handles chess site specific things. (e.g. which element is the board or the pieces)
*/
addSupportedChessSite('chess.com', {
'boardElem': obj => {
const pathname = obj.pathname;
if(pathname?.includes('/variants')) {
return document.querySelector('#board');
}
return document.querySelector('#board-layout-chessboard > .board');
},
'pieceElem': obj => {
const pathname = obj.pathname;
const getAll = obj.getAll;
if(pathname?.includes('/variants')) {
const filteredPieceElems = filterInvisibleElems(document.querySelectorAll('#board *[data-piece]'))
.filter(elem => Number(elem?.dataset?.player) <= 2);
return getAll ? filteredPieceElems : filteredPieceElems[0];
}
return obj.boardQuerySelector('.piece');
},
'squareElems': obj => {
const pathname = obj.pathname;
const element = obj.element;
if(pathname?.includes('/variants')) {
return [...element.querySelectorAll('.square-4pc.ui-droppable')]
.filter(elem => {
const pieceElem = elem.querySelector('[data-player]');
const playerNum = Number(pieceElem?.dataset?.player);
return (!playerNum || playerNum <= 2);
});
}
},
'chessVariant': obj => {
const pathname = obj.pathname;
if(pathname?.includes('/variants')) {
const variant = pathname.match(/variants\/([^\/]*)/)?.[1]
.replaceAll('-chess', '')
.replaceAll('-', '');
const replacementTable = {
'doubles-bughouse': 'bughouse',
'paradigm-chess30': 'paradigm'
};
return replacementTable[variant] || variant;
}
},
'boardOrientation': obj => {
const pathname = obj.pathname;
if(pathname?.includes('/variants')) {
const playerNumberStr = document.querySelector('.playerbox-bottom [data-player]')?.dataset?.player;
return playerNumberStr === '0' ? 'w' : 'b';
}
const boardElem = getBoardElem();
return boardElem?.classList.contains('flipped') ? 'b' : 'w';
},
'pieceElemFen': obj => {
const pathname = obj.pathname;
const pieceElem = obj.pieceElem;
let pieceColor = null;
let pieceName = null;
if(pathname?.includes('/variants')) {
pieceColor = pieceElem?.dataset?.player == '0' ? 'w' : 'b';
pieceName = pieceElem?.dataset?.piece;
} else {
const pieceStr = [...pieceElem.classList].find(x => x.match(/^(b|w)[prnbqk]{1}$/));
[pieceColor, pieceName] = pieceStr.split('');
}
return pieceColor == 'w' ? pieceName.toUpperCase() : pieceName.toLowerCase();
},
'pieceElemCoords': obj => {
const pathname = obj.pathname;
const pieceElem = obj.pieceElem;
if(pathname?.includes('/variants')) {
const squareElem = pieceElem.parentElement;
const squareId = squareElem.id;
if(!chesscomVariantBoardCoordsTable) {
createChesscomVariantBoardCoordsTable();
}
return chesscomVariantBoardCoordsTable[squareId];
}
return pieceElem.classList.toString()
?.match(/square-(\d)(\d)/)
?.slice(1)
?.map(x => Number(x) - 1);
},
'boardDimensions': obj => {
const pathname = obj.pathname;
if(pathname?.includes('/variants')) {
const rankElems = chessBoardElem?.querySelectorAll('.rank');
const visibleRankElems = filterInvisibleElems(rankElems)
.filter(rankElem => [...rankElem.childNodes]
.find(elem => {
const pieceElem = elem.querySelector('[data-player]');
const playerNum = Number(pieceElem?.dataset?.player);
return playerNum <= 2;
}));
if(visibleRankElems.length) {
const rankElem = visibleRankElems[0];
const squareElems = getSquareElems(rankElem);
const ranks = visibleRankElems?.length;
const files = squareElems?.length;
return [ranks, files];
}
} else {
return [8, 8];
}
},
'isMutationNewMove': obj => {
const pathname = obj.pathname;
const mutationArr = obj.mutationArr;
if(pathname?.includes('/variants')) {
return mutationArr.find(m => m.attributeName == 'class') ? true : false;
}
if(mutationArr.length == 1)
return false;
const modifiedHoverSquare = mutationArr.find(m => m?.target?.classList?.contains('hover-square')) ? true : false;
const modifiedHighlight = mutationArr.find(m => m?.target?.classList?.contains('highlight')) ? true : false;
const modifiedElemPool = mutationArr.find(m => m?.target?.classList?.contains('element-pool')) ? true : false;
return (mutationArr.length >= 4 && !modifiedHoverSquare)
|| mutationArr.length >= 7
|| modifiedHighlight
|| modifiedElemPool;
},
'turnFromMutation': obj => {
const pathname = obj.pathname;
const mutationArr = obj.mutationArr;
return defaultTurnFromMutation(mutationArr);
}
});
addSupportedChessSite('lichess.org', {
'boardElem': obj => {
return document.querySelector('cg-board');
},
'pieceElem': obj => {
return obj.boardQuerySelector('piece:not(.ghost)');
},
'chessVariant': obj => {
const variantLinkElem = document.querySelector('.variant-link');
if(variantLinkElem) {
let variant = variantLinkElem?.innerText?.toLowerCase()?.replaceAll(' ', '-');
const replacementTable = {
'correspondence': 'chess',
'koth': 'kingofthehill',
'three-check': '3check'
};
return replacementTable[variant] || variant;
}
},
'boardOrientation': obj => {
const filesElem = document.querySelector('coords.files');
return filesElem?.classList?.contains('black') ? 'b' : 'w';
},
'pieceElemFen': obj => {
const pieceElem = obj.pieceElem;
const pieceColor = pieceElem?.classList?.contains('white') ? 'w' : 'b';
const elemPieceName = [...pieceElem?.classList]?.find(className => Object.keys(pieceNameToFen).includes(className));
if(pieceColor && elemPieceName) {
const pieceName = pieceNameToFen[elemPieceName];
return pieceColor == 'w' ? pieceName.toUpperCase() : pieceName.toLowerCase();
}
},
'pieceElemCoords': obj => {
const pieceElem = obj.pieceElem;
const key = pieceElem?.cgKey;
if(key) {
return chessCoordinatesToIndex(key);
}
},
'boardDimensions': obj => {
return [8, 8];
},
'isMutationNewMove': obj => {
const mutationArr = obj.mutationArr;
return mutationArr.length >= 4
|| mutationArr.find(m => m.type === 'childList') ? true : false
|| mutationArr.find(m => m?.target?.classList?.contains('last-move')) ? true : false;
},
'turnFromMutation': obj => {
const pathname = obj.pathname;
const mutationArr = obj.mutationArr;
return defaultTurnFromMutation(mutationArr);
}
});
addSupportedChessSite('playstrategy.org', {
'boardElem': obj => {
return document.querySelector('cg-board');
},
'pieceElem': obj => {
return obj.boardQuerySelector('piece[class*="-piece"]:not(.ghost)');
},
'chessVariant': obj => {
const variantLinkElem = document.querySelector('.variant-link');
if(variantLinkElem) {
let variant = variantLinkElem?.innerText
?.toLowerCase()
?.replaceAll(' ', '-');
const replacementTable = {
'correspondence': 'chess',
'koth': 'kingofthehill',
'three-check': '3check',
'five-check': '5check',
'no-castling': 'nocastle'
};
return replacementTable[variant] || variant;
}
},
'boardOrientation': obj => {
const cgWrapElem = document.querySelector('.cg-wrap');
return cgWrapElem.classList?.contains('orientation-p1') ? 'w' : 'b';
},
'pieceElemFen': obj => {
const pieceElem = obj.pieceElem;
const playerColor = getPlayerColorVariable();
const pieceColor = pieceElem?.classList?.contains('ally') ? playerColor : (playerColor == 'w' ? 'b' : 'w');
let pieceName = null;
[...pieceElem?.classList]?.forEach(className => {
if(className?.includes('-piece')) {
const elemPieceName = className?.split('-piece')?.[0];
if(elemPieceName && elemPieceName?.length === 1) {
pieceName = elemPieceName;
}
}
});
if(pieceColor && pieceName) {
return pieceColor == 'w' ? pieceName.toUpperCase() : pieceName.toLowerCase();
}
},
'pieceElemCoords': obj => {
const pieceElem = obj.pieceElem;
const key = pieceElem?.cgKey;
if(key) {
return chessCoordinatesToIndex(key);
}
},
'boardDimensions': obj => {
return getBoardDimensionsFromSize();
},
'isMutationNewMove': obj => {
const mutationArr = obj.mutationArr;
return mutationArr.length >= 4
|| mutationArr.find(m => m.type === 'childList') ? true : false
|| mutationArr.find(m => m?.target?.classList?.contains('last-move')) ? true : false;
},
'turnFromMutation': obj => {
const pathname = obj.pathname;
const mutationArr = obj.mutationArr;
return defaultTurnFromMutation(mutationArr);
}
});
addSupportedChessSite('pychess.org', {
'boardElem': obj => {
return document.querySelector('cg-board');
},
'pieceElem': obj => {
return obj.boardQuerySelector('piece[class*="-piece"]:not(.ghost)');
},
'chessVariant': obj => {
const variantLinkElem = document.querySelector('#main-wrap .tc .user-link');
if(variantLinkElem) {
let variant = variantLinkElem?.innerText
?.toLowerCase()
?.replaceAll(' ', '')
?.replaceAll('-', '');
const replacementTable = {
'correspondence': 'chess',
'koth': 'kingofthehill',
'nocastling': 'nocastle',
'gorogoro+': 'gorogoro',
'oukchaktrang': 'cambodian'
};
return replacementTable[variant] || variant;
}
},
'boardOrientation': obj => {
const cgWrapElem = document.querySelector('.cg-wrap');
return cgWrapElem.classList?.contains('orientation-black') ? 'b' : 'w';
},
'pieceElemFen': obj => {
const pieceElem = obj.pieceElem;
const playerColor = getPlayerColorVariable();
const pieceColor = pieceElem?.classList?.contains('ally') ? playerColor : (playerColor == 'w' ? 'b' : 'w');
let pieceName = null;
[...pieceElem?.classList]?.forEach(className => {
if(className?.includes('-piece')) {
const elemPieceName = className?.split('-piece')?.[0];
if(elemPieceName && elemPieceName?.length === 1) {
pieceName = elemPieceName;
}
}
});
if(pieceColor && pieceName) {
return pieceColor == 'w' ? pieceName.toUpperCase() : pieceName.toLowerCase();
}
},
'pieceElemCoords': obj => {
const pieceElem = obj.pieceElem;
const key = pieceElem?.cgKey;
if(key) {
return chessCoordinatesToIndex(key);
}
},
'boardDimensions': obj => {
return getBoardDimensionsFromSize();
},
'isMutationNewMove': obj => {
const mutationArr = obj.mutationArr;
return mutationArr.length >= 4
|| mutationArr.find(m => m.type === 'childList') ? true : false
|| mutationArr.find(m => m?.target?.classList?.contains('last-move')) ? true : false;
},
'turnFromMutation': obj => {
const pathname = obj.pathname;
const mutationArr = obj.mutationArr;
return defaultTurnFromMutation(mutationArr);
}
});
addSupportedChessSite('chess.org', {
'boardElem': obj => {
return document.querySelector('.cg-board');
},
'pieceElem': obj => {
return obj.boardQuerySelector('piece:not(.ghost)');
},
'chessVariant': obj => {
const variantNum = unsafeWindow?.GameConfig?.instance?.variant;
const variant = GameConfig?.VARIANT_NAMES?.[variantNum]?.toLowerCase();
if(variant) {
const replacementTable = {
'standard': 'chess'
};
return replacementTable[variant] || variant;
}
},
'boardOrientation': obj => {
const filesElem = document.querySelector('coords.files');
return filesElem?.classList?.contains('black') ? 'b' : 'w';
},
'pieceElemFen': obj => {
const pieceElem = obj.pieceElem;
const pieceColor = pieceElem?.classList?.contains('white') ? 'w' : 'b';
const elemPieceName = [...pieceElem?.classList]?.find(className => Object.keys(pieceNameToFen).includes(className));
if(pieceColor && elemPieceName) {
const pieceName = pieceNameToFen[elemPieceName];
return pieceColor == 'w' ? pieceName.toUpperCase() : pieceName.toLowerCase();
}
},
'pieceElemCoords': obj => {
const pieceElem = obj.pieceElem;
return getElemCoordinatesFromTransform(pieceElem);
},
'boardDimensions': obj => {
return [8, 8];
},
'isMutationNewMove': obj => {
const mutationArr = obj.mutationArr;
return mutationArr.length >= 4
|| mutationArr.find(m => m.type === 'childList') ? true : false
|| mutationArr.find(m => m?.target?.classList?.contains('last-move')) ? true : false;
},
'turnFromMutation': obj => {
const pathname = obj.pathname;
const mutationArr = obj.mutationArr;
return defaultTurnFromMutation(mutationArr);
}
});
addSupportedChessSite('chess.coolmath-games.com', {
'boardElem': obj => {
return document.querySelector('.cg-board');
},
'pieceElem': obj => {
return obj.boardQuerySelector('piece:not(.ghost)');
},
'chessVariant': obj => {
return 'chess';
},
'boardOrientation': obj => {
const boardElem = getBoardElem();
return boardElem.classList?.contains('orientation-black') ? 'b' : 'w';
},
'pieceElemFen': obj => {
const pieceElem = obj.pieceElem;
const pieceColor = pieceElem?.classList?.contains('white') ? 'w' : 'b';
const elemPieceName = [...pieceElem?.classList]?.find(className => Object.keys(pieceNameToFen).includes(className));
if(pieceColor && elemPieceName) {
const pieceName = pieceNameToFen[elemPieceName];
return pieceColor == 'w' ? pieceName.toUpperCase() : pieceName.toLowerCase();
}
},
'pieceElemCoords': obj => {
const pieceElem = obj.pieceElem;
return getElemCoordinatesFromLeftBottomPercentages(pieceElem?.parentElement);
},
'boardDimensions': obj => {
return [8, 8];
},
'isMutationNewMove': obj => {
const mutationArr = obj.mutationArr;
return mutationArr.length >= 4
|| mutationArr.find(m => m.type === 'childList') ? true : false
|| mutationArr.find(m => m?.target?.classList?.contains('last-move')) ? true : false;
},
'turnFromMutation': obj => {
const pathname = obj.pathname;
const mutationArr = obj.mutationArr;
return defaultTurnFromMutation(mutationArr);
}
});
addSupportedChessSite('papergames.io', {
'boardElem': obj => {
return document.querySelector('#chessboard');
},
'pieceElem': obj => {
return obj.boardQuerySelector('*[data-piece][data-square]');
},
'chessVariant': obj => {
return 'chess';
},
'boardOrientation': obj => {
const boardElem = getBoardElem();
if(boardElem) {
const firstRankText = [...boardElem.querySelector('.coordinates').childNodes]?.[0].textContent;
return firstRankText == 'h' ? 'b' : 'w';
}
},
'pieceElemFen': obj => {
const pieceElem = obj.pieceElem;
return convertPieceStrToFen(pieceElem?.dataset?.piece);
},
'pieceElemCoords': obj => {
const pieceElem = obj.pieceElem;
const key = pieceElem?.dataset?.square;
if(key) {
return chessCoordinatesToIndex(key);
}
},
'boardDimensions': obj => {
return [8, 8];
},
'isMutationNewMove': obj => {
const mutationArr = obj.mutationArr;
return mutationArr.length >= 12;
},
'turnFromMutation': obj => {
const pathname = obj.pathname;
const mutationArr = obj.mutationArr;
return defaultTurnFromMutation(mutationArr);
}
});
addSupportedChessSite('vole.wtf', {
'boardElem': obj => {
return document.querySelector('#board');
},
'pieceElem': obj => {
return obj.boardQuerySelector('*[data-t][data-l][data-p]:not([data-p="0"]');
},
'chessVariant': obj => {
return 'chess';
},
'boardOrientation': obj => {
return 'w';
},
'pieceElemFen': obj => {
const pieceElem = obj.pieceElem;
const pieceNum = Number(pieceElem?.dataset?.p);
const pieceFenStr = 'pknbrq';
if(pieceNum > 8) {
return pieceFenStr[pieceNum - 9].toUpperCase();
} else {
return pieceFenStr[pieceNum - 1];
}
},
'pieceElemCoords': obj => {
const pieceElem = obj.pieceElem;
return [Number(pieceElem?.dataset?.l), 7 - Number(pieceElem?.dataset?.t)];
},
'boardDimensions': obj => {
return [8, 8];
},
'isMutationNewMove': obj => {
const mutationArr = obj.mutationArr;
return mutationArr.length >= 12;
},
'turnFromMutation': obj => {
const pathname = obj.pathname;
const mutationArr = obj.mutationArr;
return defaultTurnFromMutation(mutationArr);
}
});
addSupportedChessSite('immortal.game', {
'boardElem': obj => {
return document.querySelector('div.pawn.relative, div.knight.relative, div.bishop.relative, div.rook.relative, div.queen.relative, div.king.relative')?.parentElement?.parentElement;
},
'pieceElem': obj => {
return obj.boardQuerySelector('div.pawn.relative, div.knight.relative, div.bishop.relative, div.rook.relative, div.queen.relative, div.king.relative');
},
'chessVariant': obj => {
return 'chess';
},
'boardOrientation': obj => {
const coordA = [...document.querySelectorAll('svg text[x]')]
.find(elem => elem?.textContent == 'a');
const coordAX = Number(coordA?.getAttribute('x')) || 10;
return coordAX < 15 ? 'w' : 'b';
},
'pieceElemFen': obj => {
const pieceElem = obj.pieceElem;
const pieceColor = pieceElem?.classList?.contains('white') ? 'w' : 'b';
const elemPieceName = [...pieceElem?.classList]?.find(className => Object.keys(pieceNameToFen).includes(className));
if(pieceColor && elemPieceName) {
const pieceName = pieceNameToFen[elemPieceName];
return pieceColor === 'w' ? pieceName.toUpperCase() : pieceName.toLowerCase();
}
},
'pieceElemCoords': obj => {
const pieceElem = obj.pieceElem;
return getElemCoordinatesFromTransform(pieceElem?.parentElement);
},
'boardDimensions': obj => {
return [8, 8];
},
'isMutationNewMove': obj => {
const mutationArr = obj.mutationArr;
return mutationArr.length >= 5;
},
'turnFromMutation': obj => {
const pathname = obj.pathname;
const mutationArr = obj.mutationArr;
return defaultTurnFromMutation(mutationArr);
}
});
addSupportedChessSite('chessarena.com', {
'boardElem': obj => {
return document.querySelector('cb-view');
},
'pieceElem': obj => {
return obj.boardQuerySelector('figure-view:not(.dead)');
},
'chessVariant': obj => {
return 'chess';
},
'boardOrientation': obj => {
const boardElem = getBoardElem();
return boardElem?.classList?.contains('rotated') ? 'b' : 'w';
},
'pieceElemFen': obj => {
const pieceElem = obj.pieceElem;
const pieceColor = pieceElem?.classList?.contains('white') ? 'w' : 'b';
const elemPieceName = [...pieceElem?.classList]?.find(className => Object.values(pieceNameToFen).includes(className));
if(pieceColor && elemPieceName) {
return pieceColor === 'w' ? elemPieceName.toUpperCase() : elemPieceName.toLowerCase();
}
},
'pieceElemCoords': obj => {
const pieceElem = obj.pieceElem;
return getElemCoordinatesFromTransform(pieceElem, { 'onlyFlipY': true });
},
'boardDimensions': obj => {
return [8, 8];
},
'isMutationNewMove': obj => {
const mutationArr = obj.mutationArr;
return mutationArr.length >= 5;
},
'turnFromMutation': obj => {
const pathname = obj.pathname;
const mutationArr = obj.mutationArr;
return defaultTurnFromMutation(mutationArr);
}
});
addSupportedChessSite('chess.net', {
'boardElem': obj => {
return document.querySelector('cg-board');
},
'pieceElem': obj => {
return obj.boardQuerySelector('piece:not(.ghost)');
},
'chessVariant': obj => {
const variantLinkElem = document.querySelector('.variant-link');
if(variantLinkElem) {
let variant = variantLinkElem?.innerText?.toLowerCase()?.replaceAll(' ', '-');
const replacementTable = {
'correspondence': 'chess',
'koth': 'kingofthehill',
'three-check': '3check'
};
return replacementTable[variant] || variant;
}
},
'boardOrientation': obj => {
const filesElem = document.querySelector('coords.files');
return filesElem?.classList?.contains('black') ? 'b' : 'w';
},
'pieceElemFen': obj => {
const pieceElem = obj.pieceElem;
const pieceColor = pieceElem?.classList?.contains('white') ? 'w' : 'b';
const elemPieceName = [...pieceElem?.classList]?.find(className => Object.keys(pieceNameToFen).includes(className));
if(pieceColor && elemPieceName) {
const pieceName = pieceNameToFen[elemPieceName];
return pieceColor == 'w' ? pieceName.toUpperCase() : pieceName.toLowerCase();
}
},
'pieceElemCoords': obj => {
const pieceElem = obj.pieceElem;
const key = pieceElem?.cgKey;
if(key) {
return chessCoordinatesToIndex(key);
}
},
'boardDimensions': obj => {
return [8, 8];
},
'isMutationNewMove': obj => {
const mutationArr = obj.mutationArr;
return mutationArr.length >= 4
|| mutationArr.find(m => m.type === 'childList') ? true : false
|| mutationArr.find(m => m?.target?.classList?.contains('last-move')) ? true : false;
},
'turnFromMutation': obj => {
const pathname = obj.pathname;
const mutationArr = obj.mutationArr;
return defaultTurnFromMutation(mutationArr);
}
});
addSupportedChessSite('freechess.club', {
'boardElem': obj => {
return document.querySelector('cg-board');
},
'pieceElem': obj => {
return obj.boardQuerySelector('piece:not(.ghost)');
},
'chessVariant': obj => {
return 'chess';
},
'boardOrientation': obj => {
const filesElem = document.querySelector('coords.files');
return filesElem?.classList?.contains('black') ? 'b' : 'w';
},
'pieceElemFen': obj => {
const pieceElem = obj.pieceElem;
const pieceColor = pieceElem?.classList?.contains('white') ? 'w' : 'b';
const elemPieceName = [...pieceElem?.classList]?.find(className => Object.keys(pieceNameToFen).includes(className));
if(pieceColor && elemPieceName) {
const pieceName = pieceNameToFen[elemPieceName];
return pieceColor == 'w' ? pieceName.toUpperCase() : pieceName.toLowerCase();
}
},
'pieceElemCoords': obj => {
const pieceElem = obj.pieceElem;
const key = pieceElem?.cgKey;
if(key) {
return chessCoordinatesToIndex(key);
}
},
'boardDimensions': obj => {
return [8, 8];
},
'isMutationNewMove': obj => {
const mutationArr = obj.mutationArr;
return mutationArr.length >= 4
|| mutationArr.find(m => m.type === 'childList') ? true : false
|| mutationArr.find(m => m?.target?.classList?.contains('last-move')) ? true : false;
},
'turnFromMutation': obj => {
const pathname = obj.pathname;
const mutationArr = obj.mutationArr;
return defaultTurnFromMutation(mutationArr);
}
});
addSupportedChessSite('play.chessclub.com', {
'boardElem': obj => {
return document.querySelector('cg-board');
},
'pieceElem': obj => {
return obj.boardQuerySelector('piece:not(.ghost)');
},
'chessVariant': obj => {
return 'chess';
},
'boardOrientation': obj => {
const filesElem = document.querySelector('coords.files');
return filesElem?.classList?.contains('black') ? 'b' : 'w';
},
'pieceElemFen': obj => {
const pieceElem = obj.pieceElem;
const pieceColor = pieceElem?.classList?.contains('white') ? 'w' : 'b';
const elemPieceName = [...pieceElem?.classList]?.find(className => Object.keys(pieceNameToFen).includes(className));
if(pieceColor && elemPieceName) {
const pieceName = pieceNameToFen[elemPieceName];
return pieceColor == 'w' ? pieceName.toUpperCase() : pieceName.toLowerCase();
}
},
'pieceElemCoords': obj => {
const pieceElem = obj.pieceElem;
const key = pieceElem?.cgKey;
if(key) {
return chessCoordinatesToIndex(key);
}
},
'boardDimensions': obj => {
return [8, 8];
},
'isMutationNewMove': obj => {
const mutationArr = obj.mutationArr;
return mutationArr.length >= 4
|| mutationArr.find(m => m.type === 'childList') ? true : false
|| mutationArr.find(m => m?.target?.classList?.contains('last-move')) ? true : false;
},
'turnFromMutation': obj => {
const pathname = obj.pathname;
const mutationArr = obj.mutationArr;
return defaultTurnFromMutation(mutationArr);
}
});
addSupportedChessSite('gameknot.com', {
'boardElem': obj => {
return document.querySelector('#chess-board-acboard');
},
'pieceElem': obj => {
return obj.boardQuerySelector('*[class*="square_"] > img[src*="chess36."][style*="visible"]');
},
'chessVariant': obj => {
return 'chess';
},
'boardOrientation': obj => {
return document.querySelector('#chess-board-my-side-color .player_white') ? 'w' : 'b';
},
'pieceElemFen': obj => {
const pieceElem = obj.pieceElem;
const left = Number(pieceElem.style.left.replace('px', ''));
const top = Number(pieceElem.style.top.replace('px', ''));
const pieceColor = left >= 0 ? 'w' : 'b';
const pieceName = 'kqrnbp'[(top * -1) / 60];
return pieceColor === 'w' ? pieceName.toUpperCase() : pieceName.toLowerCase();
},
'pieceElemCoords': obj => {
const pieceElem = obj.pieceElem;
return getElemCoordinatesFromLeftTopPixels(pieceElem.parentElement);
},
'boardDimensions': obj => {
return [8, 8];
},
'isMutationNewMove': obj => {
const mutationArr = obj.mutationArr;
return mutationArr.length >= 4
|| mutationArr.find(m => m.type === 'childList') ? true : false
|| mutationArr.find(m => m?.target?.classList?.contains('last-move')) ? true : false;
},
'turnFromMutation': obj => {
const pathname = obj.pathname;
const mutationArr = obj.mutationArr;
return defaultTurnFromMutation(mutationArr);
}
});
addSupportedChessSite('chesstempo.com', {
'boardElem': obj => {
return document.querySelector('.ct-board-squares');
},
'pieceElem': obj => {
return obj.boardQuerySelector('*[class*="ct-pieceClass"][class*="ct-piece-"]');
},
'chessVariant': obj => {
return 'chess';
},
'boardOrientation': obj => {
return document.querySelector('.ct-coord-column').innerText === 'a' ? 'w' : 'b';
},
'pieceElemFen': obj => {
const pieceElem = obj.pieceElem;
const pieceNameClass = [...pieceElem.classList].find(x => x?.includes('ct-piece-'));
const colorNameCombo = pieceNameClass?.split('ct-piece-')?.pop();
const elemPieceColor = colorNameCombo.startsWith('white') ? 'w' : 'b';
const elemPieceName = colorNameCombo.substring(5);
const pieceName = pieceNameToFen[elemPieceName];
return elemPieceColor === 'w' ? pieceName.toUpperCase() : pieceName.toLowerCase();
},
'pieceElemCoords': obj => {
const pieceElem = obj.pieceElem;
return [pieceElem?.ct?.piece?.piece?.column, pieceElem?.ct?.piece?.piece?.row];
},
'boardDimensions': obj => {
return [8, 8];
},
'isMutationNewMove': obj => {
const mutationArr = obj.mutationArr;
return mutationArr.length >= 4;
},
'turnFromMutation': obj => {
const pathname = obj.pathname;
const mutationArr = obj.mutationArr;
return defaultTurnFromMutation(mutationArr);
}
});
addSupportedChessSite('redhotpawn.com', {
'boardElem': obj => {
return document.querySelector('#board-0_1');
},
'pieceElem': obj => {
return obj.boardQuerySelector('li.piece[id*="-pc-"]');
},
'chessVariant': obj => {
return 'chess';
},
'boardOrientation': obj => {
const aCoordLeftStyleNum = Number([...document.querySelectorAll('.boardCoordinate')]
.find(elem => elem?.innerText === 'a')
?.style?.left?.replace('px', ''));
return aCoordLeftStyleNum < 200 ? 'w' : 'b';
},
'pieceElemFen': obj => {
const pieceElem = obj.pieceElem;
return (pieceElem?.id?.match(/-pc-(.*?)-/) || [])[1];
},
'pieceElemCoords': obj => {
const pieceElem = obj.pieceElem;
return getElemCoordinatesFromLeftTopPixels(pieceElem);
},
'boardDimensions': obj => {
return [8, 8];
},
'isMutationNewMove': obj => {
const mutationArr = obj.mutationArr;
return mutationArr.length >= 4;
},
'turnFromMutation': obj => {
const pathname = obj.pathname;
const mutationArr = obj.mutationArr;
return defaultTurnFromMutation(mutationArr);
}
});
addSupportedChessSite('chessanytime.com', {
'boardElem': obj => {
return document.querySelector('#play');
},
'pieceElem': obj => {
const getAll = obj.getAll;
const pieceElems = [...document.querySelectorAll('canvas.canvas_piece')].filter(elem => canvasHasPixelAt(elem, [0.5, 0.5]));
return getAll ? pieceElems : pieceElems[0];
},
'chessVariant': obj => {
return 'chess';
},
'boardOrientation': obj => {
return document.querySelector('#play_coordy0')?.innerText === '8' ? 'w' : 'b';
},
'pieceElemFen': obj => {
const pieceElem = obj.pieceElem;
const pieceTypeCoordPercentages = [
{ 'name' : 'k', 'coords': [52/60, 26/60] },
{ 'name' : 'q', 'coords': [8/60, 16/60] },
{ 'name' : 'n', 'coords': [51/60, 42/60] },
{ 'name' : 'b', 'coords': [9/60, 50/60] },
{ 'name' : 'r', 'coords': [45/60, 15/60] },
{ 'name' : 'p', 'coords': [0.5, 0.5] }
];
const pieceColorCoordPercentages = {
'k': [42/60, 27/60],
'q': [30/60, 50/60],
'n': [38/60, 41/60],
'b': [30/60, 20/60]
};
let pieceName = null;
for(obj of pieceTypeCoordPercentages) {
const isThisPiece = canvasHasPixelAt(pieceElem, obj.coords);
if(isThisPiece) {
pieceName = obj.name;
break;
}
}
if(pieceName) {
const colorCoords = pieceColorCoordPercentages[pieceName] || [0.5, 0.5];
const pieceColor = getCanvasPixelColor(pieceElem, colorCoords);
//console.log(pieceElem, pieceName, colorCoords, pieceColor);
return pieceColor === 'w' ? pieceName.toUpperCase() : pieceName.toLowerCase();
}
},
'pieceElemCoords': obj => {
const pieceElem = obj.pieceElem;
return getElemCoordinatesFromLeftTopPixels(pieceElem);
},
'boardDimensions': obj => {
return [8, 8];
},
'isMutationNewMove': obj => {
const mutationArr = obj.mutationArr;
return mutationArr.length >= 7;
},
'turnFromMutation': obj => {
const pathname = obj.pathname;
const mutationArr = obj.mutationArr;
return defaultTurnFromMutation(mutationArr);
}
});
addSupportedChessSite('chessworld.net', {
'boardElem': obj => {
return document.querySelector('#ChessWorldChessBoard');
},
'pieceElem': obj => {
return obj.boardQuerySelector('img[src*="merida"');
},
'chessVariant': obj => {
return 'chess';
},
'boardOrientation': obj => {
return document.querySelector('div[style*="boardb.jpg"]') ? 'w' : 'b';
},
'pieceElemFen': obj => {
const pieceElem = obj.pieceElem;
const [elemPieceColor, elemPieceName] = pieceElem
?.src
?.split('/')
?.pop()
?.replace('.png', '')
?.split('_');
const pieceColor = elemPieceColor === 'white' ? 'w' : 'b';
const pieceName = pieceNameToFen[elemPieceName];
return pieceColor === 'w' ? pieceName.toUpperCase() : pieceName.toLowerCase();
},
'pieceElemCoords': obj => {
const pieceElem = obj.pieceElem;
return chessCoordinatesToIndex(pieceElem?.id);
},
'boardDimensions': obj => {
return [8, 8];
},
'isMutationNewMove': obj => {
const mutationArr = obj.mutationArr;
return mutationArr.length >= 2;
},
'turnFromMutation': obj => {
const pathname = obj.pathname;
const mutationArr = obj.mutationArr;
return defaultTurnFromMutation(mutationArr);
}
});
/* The site is very shitty I don't feel like finishing this
addSupportedChessSite('chessfriends.com', {
'boardElem': obj => {
return document.querySelector('div[id*="id_board_"');
},
'pieceElem': obj => {
return obj.boardQuerySelector('img[name][id*="id_piece_"][src*="/pieces/"]');
},
'chessVariant': obj => {
return 'chess';
},
'boardOrientation': obj => {
const firstSquareTop = document.querySelector('*[id*="id_square_00_"]')?.style?.top;
return firstSquareTop === '0px' ? 'w' : 'b';
},
'pieceElemFen': obj => {
const pieceElem = obj.pieceElem;
const dataStr = pieceElem.getAttribute('name');
if(dataStr?.length === 2) {
const pieceColor = dataStr[0];
const elemPieceName = dataStr[1];
return pieceColor == 'w' ? elemPieceName.toUpperCase() : elemPieceName.toLowerCase();
}
},
'pieceElemCoords': obj => {
const pieceElem = obj.pieceElem;
//console.log(getElemCoordinatesFromLeftTopPixels(pieceElem));
return getElemCoordinatesFromLeftTopPixels(pieceElem);
},
'boardDimensions': obj => {
return [8, 8];
},
'isMutationNewMove': obj => {
const mutationArr = obj.mutationArr;
return mutationArr.length >= 4
|| mutationArr.find(m => m.type === 'childList') ? true : false
|| mutationArr.find(m => m?.target?.classList?.contains('last-move')) ? true : false;
},
'turnFromMutation': obj => {
const pathname = obj.pathname;
const mutationArr = obj.mutationArr;
return defaultTurnFromMutation(mutationArr);
}
});*/
/*
_____ __ _ _____ _______ _____ _______ _____ ______ _______ _______ _____ _____ __ _
| | \ | | | | |_____| | | ____/ |_____| | | | | | \ |
__|__ | \_| __|__ | __|__ | | |_____ __|__ /_____ | | | __|__ |_____| | \_|
Code below this point is related to initialization. (e.g. wait for chess board and create the instance)
*/
async function isAcasBackendReady() {
const res = await CommLink.commands.ping();
return res ? true : false;
}
async function start() {
await CommLink.commands.createInstance(commLinkInstanceID);
const pathname = window.location.pathname;
const adjustSizeByDimensions = domain === 'chess.com' && pathname?.includes('/variants');
const boardOrientation = getBoardOrientation();
instanceVars.playerColor.set(commLinkInstanceID, boardOrientation);
instanceVars.turn.set(commLinkInstanceID, boardOrientation);
instanceVars.fen.set(commLinkInstanceID, getFen());
if(getConfigValue(configKeys.displayMovesOnExternalSite)) {
BoardDrawer = new UniversalBoardDrawer(chessBoardElem, {
'window': window,
'boardDimensions': getBoardDimensions(),
'playerColor': getPlayerColorVariable(),
'zIndex': domain === 'chessarena.com' ? 9999 : 500,
'prepend': true,
'debugMode': debugModeActivated,
'adjustSizeByDimensions': adjustSizeByDimensions ? true : false,
'adjustSizeConfig': {
'noLeftAdjustment': true
}
});
}
await updatePlayerColor();
observeNewMoves();
CommLink.setIntervalAsync(async () => {
await CommLink.commands.createInstance(commLinkInstanceID);
}, 1000);
}
function startWhenBackendReady() {
const interval = CommLink.setIntervalAsync(async () => {
if(await isAcasBackendReady()) {
start();
interval.stop();
} else {
GM_openInTab(getCurrentBackendURL(), true);
if(await isAcasBackendReady()) {
start();
interval.stop();
}
}
}, 1000);
}
function initializeIfSiteReady() {
const boardElem = getBoardElem();
const firstPieceElem = getPieceElem();
const bothElemsExist = boardElem && firstPieceElem;
const boardElemChanged = chessBoardElem != boardElem;
if(bothElemsExist && boardElemChanged) {
chessBoardElem = boardElem;
if(!blacklistedURLs.includes(window.location.href)) {
startWhenBackendReady();
}
}
}
if(typeof GM_registerMenuCommand === 'function') {
GM_registerMenuCommand('[u] Open GreasyFork Page', e => {
GM_openInTab(greasyforkURL, true);
}, 'u');
GM_registerMenuCommand('[o] Open GUI Manually', e => {
GM_openInTab(getCurrentBackendURL(), true);
}, 'o');
GM_registerMenuCommand('[s] Start Manually', e => {
if(chessBoardElem) {
start();
} else {
displayImportantNotification('Failed to start manually', 'No chessboard element found!');
}
}, 's');
GM_registerMenuCommand('[g] Get Moves Manually', e => {
if(chessBoardElem) {
onNewMove(null, true);
} else {
displayImportantNotification('Failed to get moves', 'No chessboard element found!');
}
}, 'g');
GM_registerMenuCommand('[r] Render BoardDrawer Manually', e => {
if(typeof BoardDrawer?.updateDimensions === 'function') {
BoardDrawer.updateDimensions();
} else {
displayImportantNotification('Failed to render BoardDrawer', 'BoardDrawer not initialized or something else went wrong!');
}
}, 'r');
if(typeof GM_setClipboard === 'function') {
GM_registerMenuCommand('[c] Copy FEN to Clipboard', e => {
if(chessBoardElem) {
GM_setClipboard(getFen());
} else {
displayImportantNotification('Failed to get FEN', 'No chessboard element found!');
}
}, 'c');
}
}
setInterval(initializeIfSiteReady, 1000);