Multiplayer Piano Optimizations [Emotes]

Display emoticons in chat!

נכון ליום 16-07-2025. ראה הגרסה האחרונה.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

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

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

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

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

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Multiplayer Piano Optimizations [Emotes]
// @namespace    https://tampermonkey.net/
// @version      1.2.2
// @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);
                MPP.chat.sendPrivate({
                    name: `[MPP Emotes] v${this.version}`,
                    color: "#ff0000",
                    message: "EmotesManager initialization failed. Check console for details",
                });
            }
        }

        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();

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

                    if (cp === OLD_RGB_PREFIX && i + 3 < seg.length) {
                        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) {
                        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) {
                        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) {
                        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;
                    }

                    frag.appendChild(document.createTextNode(seg[i]));
                    i++;
                }

                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();
})();