Multiplayer Piano Optimizations [Emotes]

Display emoticons in chat!

当前为 2025-07-16 提交的版本,查看 最新版本

您需要先安装一个扩展,例如 篡改猴Greasemonkey暴力猴,之后才能安装此脚本。

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

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴Userscripts ,之后才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。

您需要先安装用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==UserScript==
// @name         Multiplayer Piano Optimizations [Emotes]
// @namespace    https://tampermonkey.net/
// @version      1.2.3
// @description  Display emoticons in chat!
// @author       zackiboiz
// @match        *://multiplayerpiano.com/*
// @match        *://multiplayerpiano.net/*
// @match        *://multiplayerpiano.org/*
// @match        *://piano.mpp.community/*
// @match        *://mpp.7458.space/*
// @match        *://qmppv2.qwerty0301.repl.co/*
// @match        *://mpp.8448.space/*
// @match        *://mpp.autoplayer.xyz/*
// @match        *://mpp.hyye.xyz/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=multiplayerpiano.net
// @grant        GM_info
// @license      MIT
// ==/UserScript==

(async () => {
    function sleep(ms) {
        return new Promise(resolve => setTimeout(resolve, ms));
    }

    await sleep(1000);
    const BASE_URL = "https://raw.githubusercontent.com/ZackiBoiz/Multiplayer-Piano-Optimizations/refs/heads/main";
    const OLD_RGB_PREFIX = 0x0D9E;
    const NEW_RGB_PREFIX = 0xF000;

    class EmotesManager {
        constructor(version, baseUrl) {
            this.version = version;
            this.baseUrl = baseUrl;
            this.emotes = {};
            this.tokenRegex = null;
        }

        async init() {
            try {
                await this._loadEmotes();
                this._buildTokenRegex();
                this._initChatObserver();
                this._replaceExistingMessages();
            } catch (err) {
                console.error("EmotesManager failed:", err);
            }
        }

        async _loadEmotes() {
            const res = await fetch(`${this.baseUrl}/emotes/meta.json?_=${Date.now()}`);
            if (!res.ok) throw new Error(`Failed to load emote metadata: ${res.status}`);
            const data = await res.json();
            if (typeof data !== "object" || Array.isArray(data)) throw new Error("Unexpected emote metadata shape");
            this.emotes = data;
        }

        _buildTokenRegex() {
            const tokens = Object.keys(this.emotes).map(t => t.replace(/[.*+?^${}()|[\\]\\]/g, "\\$&"));
            tokens.sort((a, b) => b.length - a.length);
            this.tokenRegex = new RegExp(`:(${tokens.join("|")}):`, "g");
        }

        _initChatObserver() {
            const chatList = document.querySelector("#chat > ul");
            if (!chatList) {
                console.warn("EmotesManager: chat container not found");
                return;
            }
            const observer = new MutationObserver(muts => {
                muts.forEach(m => {
                    m.addedNodes.forEach(node => {
                        if (node.nodeType === Node.ELEMENT_NODE && node.tagName === "LI") {
                            this._replaceEmotesInElement(node.querySelector(".message"));
                        }
                    });
                });
            });
            observer.observe(chatList, { childList: true });
        }

        _replaceExistingMessages() {
            document.querySelectorAll("#chat > ul li .message").forEach(el => this._replaceEmotesInElement(el));
        }

        _replaceEmotesInElement(el) {
            if (!el) return;

            const rawText = el.textContent;
            const segments = rawText.split(/(?<!\\)\\n/).map(s => s.replace(/\\\\n/g, "\\n"));
            el.textContent = "";

            segments.forEach((seg, segIdx) => {
                let i = 0;
                const frag = document.createDocumentFragment();

                let buffer = "";
                function flushBuffer() {
                    if (buffer) {
                        frag.appendChild(document.createTextNode(buffer));
                        buffer = "";
                    }
                };

                while (i < seg.length) {
                    const cp = seg.codePointAt(i);

                    if (cp === OLD_RGB_PREFIX && i + 3 < seg.length) {
                        flushBuffer();
                        const r = seg.codePointAt(i + 1) & 0xFF;
                        const g = seg.codePointAt(i + 2) & 0xFF;
                        const b = seg.codePointAt(i + 3) & 0xFF;
                        const raw = seg.slice(i, i + 4);
                        this._appendColor(frag, r, g, b, raw);
                        i += 4;
                        continue;
                    }

                    if (cp === NEW_RGB_PREFIX && i + 1 < seg.length) {
                        flushBuffer();
                        const high = seg.codePointAt(i + 1);
                        const hasLow = (i + 2 < seg.length);
                        let r, g, b, consumed;

                        if (hasLow) {
                            const low = seg.codePointAt(i + 2);
                            r = (((high >> 8) & 0xF) << 4) | ((low >> 8) & 0xF);
                            g = (((high >> 4) & 0xF) << 4) | ((low >> 4) & 0xF);
                            b = (((high) & 0xF) << 4) | ((low) & 0xF);
                            consumed = 3;
                        } else {
                            r = ((high >> 8) & 0xF) * 17;
                            g = ((high >> 4) & 0xF) * 17;
                            b = ((high) & 0xF) * 17;
                            consumed = 2;
                        }

                        const raw = seg.slice(i, i + consumed);
                        this._appendColor(frag, r, g, b, raw);
                        i += consumed;
                        continue;
                    }

                    if (cp >= NEW_RGB_PREFIX && cp <= 0xFFFF) {
                        flushBuffer();
                        const nibble = cp & 0x0FFF;
                        const r2 = ((nibble >> 8) & 0xF) * 17;
                        const g2 = ((nibble >> 4) & 0xF) * 17;
                        const b2 = (nibble & 0xF) * 17;
                        const raw2 = seg.slice(i, i + 1);
                        this._appendColor(frag, r2, g2, b2, raw2);
                        i += 1;
                        continue;
                    }

                    this.tokenRegex.lastIndex = 0;
                    const rest = seg.slice(i);
                    const m = this.tokenRegex.exec(rest);
                    if (m && m.index === 0) {
                        flushBuffer();
                        const token = m[0], key = m[1];
                        const ext = this.emotes[key] || "png";
                        const img = document.createElement("img");
                        img.src = `${this.baseUrl}/emotes/assets/${key}.${ext}`;
                        img.alt = img.title = token;
                        img.style.height = "0.75rem";
                        img.style.verticalAlign = "middle";
                        img.style.cursor = "pointer";
                        img.addEventListener("click", () => navigator.clipboard.writeText(token));
                        frag.appendChild(img);

                        i += token.length;
                        continue;
                    }

                    buffer += seg[i];
                    i++;
                }

                flushBuffer();
                console.log(frag);
                el.appendChild(frag);
                if (segIdx < segments.length - 1) {
                    el.appendChild(document.createElement("br"));
                }
            });
        }

        _appendColor(frag, r, g, b, raw) {
            const hex = ((r << 16) | (g << 8) | b).toString(16).padStart(6, '0').toUpperCase();
            const span = document.createElement('span');
            span.style.display = 'inline-block';
            span.style.width = '0.75rem';
            span.style.height = '0.75rem';
            span.style.verticalAlign = 'middle';
            span.style.backgroundColor = `#${hex}`;
            span.style.cursor = 'pointer';
            span.title = `#${hex}`;

            span.addEventListener('click', () => navigator.clipboard.writeText(raw));
            frag.appendChild(span);
        }
    }

    const emotesManager = new EmotesManager(GM_info.script.version, BASE_URL);
    emotesManager.init();
})();