Multiplayer Piano Optimizations [Emotes]

Display emoticons in chat!

Verze ze dne 16. 07. 2025. Zobrazit nejnovější verzi.

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

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

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

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.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==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();
})();