专为2048.linux.do设计的高性能AI
// ==UserScript==
// @name linuxDo 2048 AI玩家 Plus
// @namespace http://tampermonkey.net/
// @version 2.0
// @description 专为2048.linux.do设计的高性能AI
// @author littleleo
// @match https://2048.linux.do/
// @grant none
// @run-at document-start
// ==/UserScript==
(function() {
'use strict';
// ======================== 核心配置 ========================
const AI_VERSION = "v2.0";
const TARGET_SCORE = 250000;
let moveSpeed = 100; // 默认移动延迟(ms)
// ======================== AI状态变量 ========================
let isAiRunning = false;
let isThinking = false;
let gameLoopInterval = null;
let gamesPlayed = 0;
let highestScore = 0;
let highestTile = 0;
// ======================== 核心AI算法 ========================
function simulateMove(board, direction) {
const tempBoard = JSON.parse(JSON.stringify(board));
let moved = false;
function slide(row) {
const arr = row.filter(val => val);
const missing = 4 - arr.length;
const zeros = Array(missing).fill(0);
return arr.concat(zeros);
}
function combine(row) {
for (let i = 0; i < 3; i++) {
if (row[i] !== 0 && row[i] === row[i + 1]) {
row[i] *= 2;
row[i + 1] = 0;
moved = true;
}
}
return row;
}
function operate(row) {
const originalJson = JSON.stringify(row);
let newRow = slide(row);
newRow = combine(newRow);
newRow = slide(newRow);
return newRow;
}
switch (direction) {
case 'left':
for (let r = 0; r < 4; r++) {
tempBoard[r] = operate(tempBoard[r]);
}
break;
case 'right':
for (let r = 0; r < 4; r++) {
tempBoard[r] = operate(tempBoard[r].reverse()).reverse();
}
break;
case 'up':
for (let c = 0; c < 4; c++) {
const column = [
tempBoard[0][c],
tempBoard[1][c],
tempBoard[2][c],
tempBoard[3][c]
];
const newColumn = operate(column);
for (let r = 0; r < 4; r++) {
tempBoard[r][c] = newColumn[r];
}
}
break;
case 'down':
for (let c = 0; c < 4; c++) {
const column = [
tempBoard[3][c],
tempBoard[2][c],
tempBoard[1][c],
tempBoard[0][c]
];
const newColumn = operate(column).reverse();
for (let r = 0; r < 4; r++) {
tempBoard[r][c] = newColumn[r];
}
}
break;
}
if (JSON.stringify(board) !== JSON.stringify(tempBoard)) {
moved = true;
Object.assign(board, tempBoard);
}
return moved;
}
function getGameStage(board) {
let maxTile = 0;
let emptyCells = 0;
for (let r = 0; r < 4; r++) {
for (let c = 0; c < 4; c++) {
if (board[r][c] > maxTile) maxTile = board[r][c];
if (board[r][c] === 0) emptyCells++;
}
}
if (emptyCells <= 3) return 'survival';
if (maxTile >= 8192) return 'endgame';
if (maxTile >= 2048) return 'late';
if (maxTile >= 512) return 'middle';
return 'early';
}
function evaluateByStage(b) {
const stage = getGameStage(b);
let score = 0;
let emptyCount = 0, smoothness = 0, maxTile = 0;
let potentialMerges = 0;
const weights = [[15, 14, 13, 12], [8, 9, 10, 11], [7, 6, 5, 4], [0, 1, 2, 3]];
for (let r = 0; r < 4; r++) {
for (let c = 0; c < 4; c++) {
const tileValue = b[r][c];
if (tileValue === 0) {
emptyCount++;
} else {
if (tileValue > maxTile) maxTile = tileValue;
score += Math.log2(tileValue) * weights[r][c];
// 检查右侧
if (c < 3) {
const rightVal = b[r][c+1];
if (rightVal !== 0) {
if (rightVal === tileValue) potentialMerges++;
smoothness -= Math.abs(Math.log2(tileValue) - Math.log2(rightVal));
}
}
// 检查下方
if (r < 3) {
const downVal = b[r+1][c];
if (downVal !== 0) {
if (downVal === tileValue) potentialMerges++;
smoothness -= Math.abs(Math.log2(tileValue) - Math.log2(downVal));
}
}
}
}
}
// 阶段特定策略
switch (stage) {
case 'survival':
score += emptyCount * 20 + potentialMerges * 10;
break;
case 'endgame':
case 'late':
score += emptyCount * 5 + smoothness * 2.0;
break;
case 'middle':
score += emptyCount * 3.0 + smoothness * 1.5;
break;
case 'early':
score += emptyCount * 2.0 + smoothness * 1.0;
break;
}
return score;
}
function getNextMove(board) {
const directions = { up: 'ArrowUp', right: 'ArrowRight', down: 'ArrowDown', left: 'ArrowLeft' };
let bestScore = -Infinity;
let bestDirection = 'ArrowRight';
for (const dirKey in directions) {
const simBoard = JSON.parse(JSON.stringify(board));
if (simulateMove(simBoard, dirKey)) {
const moveScore = evaluateByStage(simBoard);
if (moveScore > bestScore) {
bestScore = moveScore;
bestDirection = directions[dirKey];
}
}
}
return bestDirection;
}
// ======================== 游戏执行引擎 ========================
async function attemptMove(direction) {
const stateBefore = JSON.stringify(window.canvasGame.board);
document.body.dispatchEvent(new KeyboardEvent('keydown', { key: direction, bubbles: true }));
return new Promise(resolve => {
const startTime = Date.now();
const checkInterval = setInterval(() => {
// 检测棋盘是否发生变化
if (JSON.stringify(window.canvasGame.board) !== stateBefore) {
clearInterval(checkInterval);
resolve(true);
}
// 超时处理（500ms无变化认为移动失败）
else if (Date.now() - startTime > 500) {
clearInterval(checkInterval);
resolve(false);
}
}, 50);
});
}
async function executeThinkCycle() {
if (isThinking || !isAiRunning) return;
// 游戏结束检测
if (window.canvasGame.gameOver || (window.canvasGame.victory && !window.canvasGame.keepPlaying)) {
endGame();
return;
}
isThinking = true;
try {
const board = window.canvasGame.board;
const bestMove = getNextMove(board);
if (!await attemptMove(bestMove)) {
// 备用移动方案
const fallbackMoves = ['ArrowRight', 'ArrowDown', 'ArrowLeft', 'ArrowUp'];
for(const move of fallbackMoves) {
if (await attemptMove(move)) break;
}
}
} catch (e) {
console.error("AI执行错误:", e);
} finally {
isThinking = false;
}
}
function endGame() {
if (!isAiRunning) return;
const score = window.canvasGame.score;
const maxTile = window.canvasGame.maxTile;
// 更新统计
gamesPlayed++;
if (score > highestScore) highestScore = score;
if (maxTile > highestTile) highestTile = maxTile;
updateStatsUI();
// 停止AI
isAiRunning = false;
clearInterval(gameLoopInterval);
// 更新按钮状态
const button = document.getElementById('auto-play-btn');
if (button) {
button.disabled = false;
button.style.backgroundColor = '#27ae60';
button.textContent = '▶ 启动AI';
}
console.log("游戏结束! 得分: " + score);
}
// ======================== 用户界面与控制 ========================
function createControlPanel() {
const panel = document.createElement('div');
panel.id = 'ai-control-panel';
panel.style.cssText = `
position: fixed;
top: 20px;
right: 20px;
background: rgba(255, 255, 255, 0.95);
padding: 15px;
border-radius: 10px;
box-shadow: 0 4px 20px rgba(0,0,0,0.25);
z-index: 9999;
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
min-width: 250px;
border: 1px solid #ddd;
`;
panel.innerHTML = `
<h3 style="margin-top:0; color: #776e65; border-bottom: 1px solid #eee; padding-bottom: 10px;">2048 AI ${AI_VERSION}</h3>
<div style="margin-bottom:15px;">
<button id="auto-play-btn" style="padding:10px 15px; width:100%; background:#27ae60; color:white; border:none; border-radius:4px; cursor:pointer; font-weight:bold; font-size:16px;">
▶ 启动AI
</button>
</div>
<div id="ai-stats" style="font-size:14px; line-height:1.8; margin-bottom:15px; background:#f9f9f9; padding:10px; border-radius:5px;">
<div>游戏次数: <span id="games-count" style="float:right;">0</span></div>
<div>最高分数: <span id="high-score" style="float:right;">0</span></div>
<div>最大方块: <span id="max-tile" style="float:right;">0</span></div>
<div style="font-weight:bold;">目标进度: <span id="target-progress" style="float:right; color:#e74c3c;">0%</span></div>
</div>
<div>
<label style="display:block; margin-bottom:12px;">
<div style="margin-bottom:5px; font-weight:bold;">速度控制 (ms/步):</div>
<input type="range" id="speed-slider" min="50" max="500" value="${moveSpeed}" style="width:100%;">
<div style="text-align:center; font-size:12px; color:#776e65"><span id="speed-value">${moveSpeed}</span></div>
</label>
</div>`;
return panel;
}
function updateStatsUI() {
if (!document.getElementById('games-count')) return;
const score = window.canvasGame.score || 0;
const maxTileVal = Math.max(0, ...window.canvasGame.board.flat());
if (score > highestScore) highestScore = score;
if (maxTileVal > highestTile) highestTile = maxTileVal;
const progress = Math.min(100, Math.round((score / TARGET_SCORE) * 100));
document.getElementById('games-count').textContent = gamesPlayed;
document.getElementById('high-score').textContent = highestScore;
document.getElementById('max-tile').textContent = highestTile || 0;
const progressEl = document.getElementById('target-progress');
progressEl.textContent = `${progress}%`;
progressEl.style.color = progress > 90 ? '#27ae60' :
progress > 50 ? '#f39c12' : '#e74c3c';
}
function toggleAI() {
const button = document.getElementById('auto-play-btn');
if (!button) {
console.error("未找到AI按钮!");
return;
}
if (isAiRunning) {
// 停止AI
isAiRunning = false;
clearInterval(gameLoopInterval);
button.style.backgroundColor = '#27ae60';
button.textContent = '▶ 启动AI';
console.log('AI已停止');
} else {
// 检查游戏状态
if (window.canvasGame.gameOver || (window.canvasGame.victory && !window.canvasGame.keepPlaying)) {
alert("游戏已结束! 请先点击'新游戏'按钮");
return;
}
// 启动AI
isAiRunning = true;
button.style.backgroundColor = '#e74c3c';
button.textContent = '■ 停止AI';
console.log('AI开始运行...');
gameLoopInterval = setInterval(executeThinkCycle, moveSpeed);
}
}
function handleSpeedChange() {
moveSpeed = parseInt(this.value);
document.getElementById('speed-value').textContent = moveSpeed;
if (isAiRunning) {
clearInterval(gameLoopInterval);
gameLoopInterval = setInterval(executeThinkCycle, moveSpeed);
}
}
// ======================== 初始化函数 ========================
function initializeAI() {
// 确保游戏对象已加载
if (!window.canvasGame || !window.canvasGame.board) {
setTimeout(initializeAI, 500);
return;
}
// 确保游戏容器存在
const gameContainer = document.querySelector('.game-container');
if (!gameContainer) {
setTimeout(initializeAI, 500);
return;
}
// 创建并添加控制面板
if (!document.getElementById('ai-control-panel')) {
const panel = createControlPanel();
gameContainer.appendChild(panel);
// 添加事件监听
document.getElementById('auto-play-btn').addEventListener('click', toggleAI);
document.getElementById('speed-slider').addEventListener('input', handleSpeedChange);
console.log("AI控制面板已添加");
}
// 添加新游戏监听
document.querySelector('.new-game-btn')?.addEventListener('click', () => {
if (isAiRunning) {
isAiRunning = false;
clearInterval(gameLoopInterval);
const button = document.getElementById('auto-play-btn');
if (button) {
button.style.backgroundColor = '#27ae60';
button.textContent = '▶ 启动AI';
}
}
});
// 初始化统计
updateStatsUI();
console.log(`2048 AI ${AI_VERSION} 初始化完成`);
}
// ======================== 启动脚本 ========================
(function() {
// 防止重复初始化
if (window.AI_LOADED) return;
window.AI_LOADED = true;
console.log(`2048 AI ${AI_VERSION} 加载中`);
// 确保页面完全加载
if (document.readyState === 'complete') {
initializeAI();
} else {
window.addEventListener('load', function() {
setTimeout(initializeAI, 1000);
});
}
})();
})();