// ==UserScript==
// @name Connect 4 AI for papergames
// @namespace https://github.com/longkidkoolstar
// @version 0.1.1
// @description Adds an AI player to Connect 4 on papergames.io
// @author longkidkoolstar
// @icon https://th.bing.com/th/id/R.2ea02f33df030351e0ea9bd6df0db744?rik=Pnmqtc4WLvL0ow&pid=ImgRaw&r=0
// @require https://code.jquery.com/jquery-3.6.0.min.js
// @match https://papergames.io/*
// @license none
// @grant GM.xmlHttpRequest
// ==/UserScript==
(function() {
'use strict';
var username = localStorage.getItem('username');
if (!username) {
alert('Username is not stored in local storage.');
username = prompt('Please enter your Papergames username (case-sensitive):');
localStorage.setItem('username', username);
}
var player;
var prevChronometerValue = '';
var moveHistory = [];
var lastBoardState = [];
var aiTurn = false;
var processingMove = false;
var moveCooldown = false;
function resetVariables() {
player = undefined;
prevChronometerValue = '';
moveHistory = [];
lastBoardState = [];
aiTurn = false;
processingMove = false;
moveCooldown = false;
console.log("Variables reset to default states");
}
function checkForResetButtons() {
var playOnlineButton = document.querySelector("button.btn-secondary.flex-grow-1");
var leaveRoomButton = document.querySelector("button.btn-light.ng-tns-c189-7");
if (playOnlineButton || leaveRoomButton) {
resetVariables();
}
}
function updateBoard() {
var profileOpeners = document.querySelectorAll(".text-truncate.cursor-pointer");
var profileOpener = Array.from(profileOpeners).find(opener => opener.textContent.trim() === username);
var chronometer = document.querySelector("app-chronometer");
var numberElement;
if (profileOpener) {
var profileParent = profileOpener.parentNode;
numberElement = profileOpener.parentNode.querySelectorAll("span")[4];
var profileOpenerParent = profileOpener.parentNode.parentNode;
var svgElementDark = profileOpenerParent.querySelector("circle.circle-dark");
var svgElementLight = profileOpenerParent.querySelector("circle.circle-light");
if (svgElementDark) {
player = 'R';
} else if (svgElementLight) {
player = 'Y';
}
}
var currentElement = chronometer || numberElement;
if (currentElement && currentElement.textContent !== prevChronometerValue && profileOpener) {
prevChronometerValue = currentElement.textContent;
console.log("AI's turn detected. Waiting 2 seconds before making API move...");
aiTurn = true;
setTimeout(() => {
if (!moveCooldown) {
console.log("Making API move...");
makeAPIMove();
}
}, 1500);
} else {
aiTurn = false;
console.log("Waiting for AI's turn...");
}
}
function getBoardState() {
const boardContainer = document.querySelector(".grid.size6x7");
if (!boardContainer) {
console.error("Board container not found");
return [];
}
let boardState = [];
for (let row = 0; row < 6; row++) {
let rowState = [];
for (let col = 0; col < 7; col++) {
const cellSelector = `.cell-${row}-${col}`;
const cell = boardContainer.querySelector(cellSelector);
if (cell) {
if (cell.querySelector("circle.circle-dark")) {
rowState.push("R");
} else if (cell.querySelector("circle.circle-light")) {
rowState.push("Y");
} else {
rowState.push("E");
}
} else {
console.error(`Cell not found: ${cellSelector}`);
rowState.push("E");
}
}
boardState.push(rowState);
}
return boardState;
}
function detectNewMove() {
const currentBoardState = getBoardState();
for (let row = 0; row < 6; row++) {
for (let col = 0; col < 7; col++) {
if (lastBoardState[row] && lastBoardState[row][col] === 'E' && currentBoardState[row][col] !== 'E') {
moveHistory.push(col + 1);
}
}
}
lastBoardState = currentBoardState;
}
function simulateCellClick(column) {
console.log(`Attempting to click on column ${column}`);
const boardContainer = document.querySelector(".grid.size6x7");
if (!boardContainer) {
console.error("Board container not found");
return;
}
for (let row = 5; row >= 0; row--) {
const cellSelector = `.cell-${row}-${column}`;
const cell = boardContainer.querySelector(cellSelector);
if (cell && cell.classList.contains('selectable')) {
console.log(`Found selectable cell at row ${row}, column ${column}`);
setTimeout(() => {
console.log(`Dispatching click event on row ${row}, column ${column}`);
var event = new MouseEvent('click', {
bubbles: true,
cancelable: true,
});
cell.dispatchEvent(event);
console.log(`Click event dispatched on row ${row}, column ${column}`);
processingMove = false; // Move processed, reset flag
moveCooldown = true; // Set cooldown
setTimeout(() => moveCooldown = false, 2000); // Reset cooldown after 2 seconds
}, 1000);
return;
}
}
console.log(`No selectable cell found in column ${column}`);
processingMove = false; // No valid move found, reset flag
}
function makeAPIMove() {
if (!aiTurn || processingMove) return; // Ensure AI turn and not processing another move
processingMove = true; // Set flag to indicate move processing
detectNewMove();
console.log("Move history:", moveHistory);
let pos = moveHistory.join("");
console.log("API position string:", pos);
console.log("Move count:", pos.length);
const apiUrl = `https://connect4.gamesolver.org/solve?pos=${pos}`;
console.log("API URL:", apiUrl);
GM.xmlHttpRequest({
method: "GET",
url: apiUrl,
onload: function(response) {
console.log("API response received:", response.responseText);
const data = JSON.parse(response.responseText);
console.log("Parsed API data:", data);
const scores = data.score;
console.log("Move scores:", scores);
let bestMove = -1;
let bestScore = -Infinity;
for (let i = 0; i < scores.length; i++) {
if (scores[i] !== 100 && scores[i] > bestScore) {
bestScore = scores[i];
bestMove = i;
}
}
console.log("Best move (column):", bestMove);
if (bestMove !== -1) {
simulateCellClick(bestMove);
} else {
console.log("No valid moves available");
processingMove = false; // No valid move, reset flag
}
},
onerror: function(error) {
console.error("API request failed:", error);
processingMove = false; // API request failed, reset flag
}
});
}
function initAITurn() {
console.log("Player: ", player);
const boardState = getBoardState();
console.log("Board State: ", boardState);
if (!player) {
for (let row of boardState) {
for (let cell of row) {
if (cell !== "E") {
player = cell === "R" ? "Y" : "R";
break;
}
}
if (player) break;
}
}
}
//---GUI
// Check if username is stored in local storage
var username = localStorage.getItem('username');
if (!username) {
alert('Username is not stored in local storage.');
username = prompt('Please enter your Papergames username (case-sensitive):');
localStorage.setItem('username', username);
}
function logout() {
localStorage.removeItem('username');
location.reload();
}
function createLogoutButton() {
$('<button>')
.text('Logout')
.addClass('btn btn-secondary mb-2 ng-star-inserted')
.css({
position: 'fixed',
bottom: '20px',
right: '20px',
zIndex: '9999',
color: 'white'
})
.on('click', logout)
.on('mouseover', function() { $(this).css('opacity', '0.5'); })
.on('mouseout', function() { $(this).css('opacity', '1'); })
.appendTo('body');
}
$(function() {
createLogoutButton();
var $dropdownContainer = $('<div>')
.css({
position: 'fixed',
bottom: '20px',
left: '20px',
zIndex: '9998',
backgroundColor: '#1b2837',
border: '1px solid #18bc9c',
borderRadius: '5px'
})
.appendTo('body');
var $toggleButton = $('<button>')
.text('Settings')
.addClass('btn btn-secondary mb-2 ng-star-inserted')
.css({
padding: '5px 10px',
border: 'none',
backgroundColor: '#007bff',
color: 'white',
borderRadius: '5px'
})
.on('mouseover', function() { $(this).css('opacity', '0.5'); })
.on('mouseout', function() { $(this).css('opacity', '1'); })
.appendTo($dropdownContainer);
var $dropdownContent = $('<div>')
.css({
display: 'none',
padding: '8px'
})
.appendTo($dropdownContainer);
var $autoQueueTab = $('<div>')
.text('Auto Queue')
.css({
padding: '5px 0',
cursor: 'pointer'
})
.appendTo($dropdownContent);
var $autoQueueSettings = $('<div>')
.css('padding', '10px')
.appendTo($dropdownContent);
var isAutoQueueOn = false;
var $autoQueueToggleButton = $('<button>')
.text('Auto Queue Off')
.addClass('btn btn-secondary mb-2 ng-star-inserted')
.css({
marginTop: '10px',
backgroundColor: 'red',
color: 'white'
})
.on('click', toggleAutoQueue)
.appendTo($autoQueueSettings);
function toggleAutoQueue() {
isAutoQueueOn = !isAutoQueueOn;
localStorage.setItem('isToggled', isAutoQueueOn);
$autoQueueToggleButton.text(isAutoQueueOn ? 'Auto Queue On' : 'Auto Queue Off')
.css('backgroundColor', isAutoQueueOn ? 'green' : 'red');
}
function clickLeaveRoomButton() {
$("button.btn-light.ng-tns-c189-7").click();
}
function clickPlayOnlineButton() {
$("button.btn-secondary.flex-grow-1").click();
}
function checkButtonsPeriodically() {
if (isAutoQueueOn) {
clickLeaveRoomButton();
clickPlayOnlineButton();
}
}
setInterval(checkButtonsPeriodically, 1000);
let previousNumber = null;
function trackAndClickIfDifferent() {
const $spanElement = $('app-count-down span');
if ($spanElement.length) {
const number = parseInt($spanElement.text(), 10);
if (!isNaN(number) && previousNumber !== null && number !== previousNumber && isAutoQueueOn) {
$spanElement.click();
}
previousNumber = number;
}
}
setInterval(trackAndClickIfDifferent, 1000);
$toggleButton.on('click', function() {
$dropdownContent.toggle();
});
});
//---GUI
setInterval(function() {
updateBoard();
initAITurn();
}, 1000);
//Checking If the game is over so it can reset variables
setInterval(function() {
checkForResetButtons();
}, 500);
function displayAIBoard() {
const boardState = getBoardState();
console.log("Current board state:");
boardState.forEach(row => {
console.log(row.join(" | "));
});
}
setInterval(displayAIBoard, 1000);
setInterval(detectNewMove, 100);
console.log("Connect 4 AI script loaded and running");
})();
