MacPS Button

Allows for people to join the private server whenever it's open.

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

You will need to install an extension such as Tampermonkey to install this script.

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==UserScript==
// @name         MacPS Button
// @author       Mac
// @description Allows for people to join the private server whenever it's open.
// @version      1.34
// @namespace    MacPS
// @license MIT
// @antifeature remote-config
// @match        https://cavegame.io/*
// @match        https://mineroyale.io/*
// @match        http://localhost:8080/*
// @grant        GM_xmlhttpRequest
// @grant        unsafeWindow
// @connect      drive.google.com
// @connect      drive.usercontent.google.com
// @connect      trycloudflare.com
// @connect      *.trycloudflare.com
// ==/UserScript==

(() => {
    'use strict';

    const CONFIG_URL =
        'https://drive.google.com/uc?export=download&id=1F8AfmLdeXXcpdEGCm04hKYY2T22gbVmz';

    const REQUEST_TIMEOUT = 5000;
    const REFRESH_COOLDOWN = 1500;
    const CONNECT_TIMEOUT = 10000;

    const STATE = Object.freeze({
        CHECKING: 'Checking...',
        ONLINE: 'Online',
        IDLE: 'Idle',
        OFFLINE: 'Offline',
        ERROR: 'Error',
        CONNECTING: 'Connecting...'
    });

    let currentState = STATE.CHECKING;
    let websocketTarget = '';

    let button = null;
    let refreshBtn = null;

    let refreshCooldown = 0;
    let refreshBusy = false;

    const NativeWebSocket = unsafeWindow.WebSocket;

    let wsHookActive = false;
    let wasMenuOpen = false;
    let connectTimer = null;

    function isDarkMode() {
        const btn =
            document.getElementById('play-cavegame-io') ||
            document.getElementById('play-mineroyale-io');

        return btn?.classList.contains('dark');
    }

    function isLocked() {
        return currentState === STATE.CHECKING || currentState === STATE.CONNECTING;
    }

    function isMainDisabled() {
        return (
            isDarkMode() ||
            currentState === STATE.ERROR ||
            currentState === STATE.IDLE ||
            currentState === STATE.OFFLINE ||
            isLocked()
        );
    }

    function isRefreshDisabled() {
        return (
            isDarkMode() ||
            refreshBusy ||
            isLocked() ||
            Date.now() < refreshCooldown
        );
    }

    function getStateColor(state) {
        switch (state) {
            case STATE.ONLINE:
                return '#22c55e';

            case STATE.IDLE:
                return '#f59e0b';

            case STATE.CHECKING:
            case STATE.CONNECTING:
                return '#9ca3af';

            default:
                return '#ef4444';
        }
    }

    function stopWSHook() {
        wsHookActive = false;
        unsafeWindow.WebSocket = NativeWebSocket;
    }

    function enableWSHook() {
        wsHookActive = true;

        unsafeWindow.WebSocket = function (...args) {
            let url = args[0];

            if (!wsHookActive || currentState !== STATE.CONNECTING) {
                return new NativeWebSocket(url, ...args.slice(1));
            }

            if (
                typeof url === 'string' &&
                websocketTarget &&
                (url.startsWith('ws://') || url.startsWith('wss://'))
            ) {
                url = websocketTarget;
            }

            return new NativeWebSocket(url, ...args.slice(1));
        };

        unsafeWindow.WebSocket.prototype = NativeWebSocket.prototype;
    }

    function resetConnectionState() {
        stopWSHook();

        if (connectTimer) {
            clearTimeout(connectTimer);
            connectTimer = null;
        }

        if (currentState === STATE.CONNECTING) {
            currentState = STATE.IDLE;
        }

        updateUI();
    }

    function applyMainButtonState() {
        if (!button) return;

        const disabled = isMainDisabled();
        const status = button.querySelector('.macps-status');

        if (status) {
            status.textContent = currentState;
            status.style.color = getStateColor(currentState);
            status.style.fontWeight = '700';
        }

        button.style.background =
            'linear-gradient(-225deg,#4da3ff,#1e66d0)';

        button.style.color = '#fff';
        button.style.border = 'none';
        button.style.opacity = disabled ? '0.6' : '1';
        button.style.pointerEvents = disabled ? 'none' : 'auto';
        button.style.cursor = disabled ? 'not-allowed' : 'pointer';
        button.style.filter = disabled ? 'grayscale(0.25)' : 'none';
    }

    function updateRefresh() {
        if (!refreshBtn) return;

        const locked = isRefreshDisabled();

        refreshBtn.style.background = '#e5e7eb';
        refreshBtn.style.color = '#111';
        refreshBtn.style.border = 'none';
        refreshBtn.style.width = '55px';
        refreshBtn.style.height = '42px';
        refreshBtn.style.display = 'flex';
        refreshBtn.style.alignItems = 'center';
        refreshBtn.style.justifyContent = 'center';
        refreshBtn.style.cursor = locked ? 'not-allowed' : 'pointer';
        refreshBtn.style.opacity = locked ? '0.6' : '1';
        refreshBtn.style.filter = locked ? 'grayscale(1)' : 'none';
        refreshBtn.style.pointerEvents = locked ? 'none' : 'auto';
    }

    function updateUI() {
        applyMainButtonState();
        updateRefresh();
    }

    function setState(state, target = '') {
        currentState = state;

        if (target) {
            websocketTarget = target;
        }

        if (state !== STATE.CONNECTING) {
            stopWSHook();
        } else {
            if (connectTimer) {
                clearTimeout(connectTimer);
            }

            connectTimer = setTimeout(() => {
                if (currentState === STATE.CONNECTING) {
                    resetConnectionState();
                }
            }, CONNECT_TIMEOUT);
        }

        updateUI();
    }

    function isMenuOpen() {
        const overlay = document.getElementById('menu-overlay');

        return overlay && getComputedStyle(overlay).display !== 'none';
    }

    function watchMenu() {
        const open = isMenuOpen();

        if (open && !wasMenuOpen) {
            refreshServerStatus();
        }

        if (!open && wasMenuOpen) {
            resetConnectionState();
        }

        wasMenuOpen = open;
    }

    function request(url) {
        return new Promise((resolve, reject) => {
            GM_xmlhttpRequest({
                method: 'GET',
                url,
                timeout: REQUEST_TIMEOUT,
                onload: resolve,
                onerror: reject,
                ontimeout: reject
            });
        });
    }

    function isValidWebSocketURL(url) {
        try {
            const u = new URL(url);

            return u.protocol === 'wss:' && u.hostname.length > 0;
        } catch {
            return false;
        }
    }

    async function fetchServerAddress() {
        try {
            const res = await request(CONFIG_URL);
            const text = (res.responseText || '').trim();

            return isValidWebSocketURL(text) ? text : null;
        } catch {
            return null;
        }
    }

    async function verifyServer(url) {
        try {
            if (!url || !url.trim()) {
                return STATE.OFFLINE;
            }

            const hostname = new URL(url).hostname;
            const httpsURL = `https://${hostname}`;

            const res = await request(httpsURL);

            const text = (res.responseText || '').trim();

            if (text === 'OK') {
                return STATE.ONLINE;
            }

            if (
                text.includes('502 Bad Gateway') ||
                text.includes('Unable to reach the origin service')
            ) {
                return STATE.IDLE;
            }

            return STATE.OFFLINE;

        } catch {
            return STATE.OFFLINE;
        }
    }

    async function refreshServerStatus() {
        if (isDarkMode()) return;

        refreshBusy = true;

        setState(STATE.CHECKING);

        const url = await fetchServerAddress();

        if (!url) {
            setState(STATE.OFFLINE);

            refreshBusy = false;
            refreshCooldown = Date.now() + REFRESH_COOLDOWN;

            updateUI();
            return;
        }

        const state = await verifyServer(url);

        setState(
            state,
            state === STATE.ONLINE ? url : ''
        );

        refreshBusy = false;
        refreshCooldown = Date.now() + REFRESH_COOLDOWN;

        updateUI();
    }

    function onMainClick(e) {
        e.preventDefault();
        e.stopPropagation();

        if (isMainDisabled()) return;
        if (!websocketTarget) return;

        setState(STATE.CONNECTING);

        enableWSHook();

        const play =
            document.getElementById('play-mineroyale-io') ||
            document.getElementById('play-cavegame-io');

        play?.click();
    }

    function onRefreshClick(e) {
        e.preventDefault();
        e.stopPropagation();

        if (isRefreshDisabled()) return;

        refreshServerStatus();
    }

    function createUI() {
        const container = document.getElementById('sub-play-btn-cont');

        if (!container || document.getElementById('cg-macps-wrap')) {
            return;
        }

        const wrap = document.createElement('div');

        wrap.id = 'cg-macps-wrap';
        wrap.style.display = 'inline-flex';
        wrap.style.alignItems = 'center';
        wrap.style.width = '94%';

        button = document.createElement('button');
        button.className = 'play-btn';

        button.innerHTML = `
            MacPS
            <div class="macps-status">${currentState}</div>
        `;

        button.addEventListener('click', onMainClick);

        refreshBtn = document.createElement('button');
        refreshBtn.textContent = '↻';

        refreshBtn.addEventListener('click', onRefreshClick);

        wrap.appendChild(button);
        wrap.appendChild(refreshBtn);

        container.appendChild(wrap);

        updateUI();
    }

    new MutationObserver(() => {
        if (!document.getElementById('cg-macps-wrap')) {
            createUI();
        }
    }).observe(document.body, {
        childList: true,
        subtree: true
    });

    setInterval(() => {
        watchMenu();
        updateUI();
    }, 50);

    createUI();
})();