// ==UserScript==
// @name Multiplayer Piano Optimizations [Emotes]
// @namespace https://tampermonkey.net/
// @version 1.4.4
// @description Display emoticons and colors in chat!
// @author zackiboiz, ccjit
// @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/*
// @match *://mpp.smp-meow.net/*
// @grant GM_info
// @license MIT
// ==/UserScript==
(async () => {
const dl = GM_info.script.downloadURL || GM_info.script.updateURL || GM_info.script.homepageURL || "";
const match = dl.match(/greasyfork\.org\/scripts\/(\d+)/);
if (!match) {
console.warn("Could not find Greasy Fork script ID in downloadURL/updateURL/homepageURL:", dl);
} else {
const scriptId = match[1];
const localVersion = GM_info.script.version;
const apiUrl = `https://greasyfork.org/scripts/${scriptId}.json`;
fetch(apiUrl, {
mode: "cors",
headers: {
Accept: "application/json"
}
}).then(r => {
if (!r.ok) throw new Error("Failed to fetch Greasy Fork data.");
return r.json();
}).then(data => {
const remoteVersion = data.version;
if (compareVersions(localVersion, remoteVersion) < 0) {
if (confirm(
`A new version of this script is available!\n` +
`Local: ${localVersion}\n` +
`Latest: ${remoteVersion}\n\n` +
`Open Greasy Fork to update?`
)) {
window.open(`https://greasyfork.org/scripts/${scriptId}`, "_blank");
}
}
}).catch(err => console.error("Update check failed:", err));
}
function compareVersions(a, b) {
const pa = a.split(".").map(n => parseInt(n, 10) || 0);
const pb = b.split(".").map(n => parseInt(n, 10) || 0);
const len = Math.max(pa.length, pb.length);
for (let i = 0; i < len; i++) {
if ((pa[i] || 0) < (pb[i] || 0)) return -1;
if ((pa[i] || 0) > (pb[i] || 0)) return 1;
}
return 0;
}
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;
class EmotesManager {
constructor(version, baseUrl) {
this.version = version;
this.baseUrl = baseUrl;
this.emotes = {};
this.emoteUrls = {};
this.tokenRegex = null;
this.MAX_SUGGESTIONS = 100;
this.DROPDOWN_OFFSET_PX = 10;
this.dropdown = document.createElement("div");
this.dropdown.id = "emote-suggestions";
Object.assign(this.dropdown.style, {
position: "absolute",
backgroundColor: "#3c3c3c",
border: "1px solid #555",
borderRadius: "8px",
boxShadow: "0 4px 6px rgba(0,0,0,0.3)",
zIndex: "9999",
maxHeight: "200px",
overflowY: "auto",
display: "none",
fontFamily: "Ubuntu, Arial",
color: "#ffffff",
fontSize: "0.75rem"
});
document.body.appendChild(this.dropdown);
const style = document.createElement("style");
style.textContent = `
#emote-suggestions .dropdown-item:hover {
background-color: #4c4c4c;
}
`;
document.head.appendChild(style);
}
async init() {
try {
await this._loadEmotesMeta();
await this._preloadEmotes();
this._buildTokenRegex();
this._initChatObserver();
this._replaceExistingMessages();
this._initSuggestionListeners();
} catch (err) {
console.error("EmotesManager failed:", err);
}
}
async _loadEmotesMeta() {
const res = await fetch(`${this.baseUrl}/emotes/meta.json?_=${Date.now()}`);
if (!res.ok) {
throw new Error(`Failed to load emote metadata: ${res.status}`);
}
const data = await res.json();
if (typeof data !== "object" || Array.isArray(data)) {
throw new Error("Unexpected emote metadata shape");
}
this.emotes = data;
}
async _preloadEmotes() {
await Promise.all(
Object.entries(this.emotes).map(async ([key, ext]) => {
try {
const resp = await fetch(`${this.baseUrl}/emotes/assets/${key}.${ext}?_=${Date.now()}`);
const blob = await resp.blob();
this.emoteUrls[key] = URL.createObjectURL(blob);
} catch (e) {
console.warn(`Could not preload emote "${key}":`, e);
}
})
);
}
_buildTokenRegex() {
const tokens = Object.keys(this.emotes)
.map(t => t.replace(/[.*+?^${}()|[\]\\]/g, "\\$&"))
.sort((a, b) => b.length - a.length);
this.tokenRegex = new RegExp(`:(${tokens.join("|")}):`, "g");
}
_initChatObserver() {
const chatList = document.querySelector("#chat > ul");
if (!chatList) return;
const observer = new MutationObserver(mutations => {
observer.disconnect();
mutations.forEach(m => m.addedNodes.forEach(node => {
if (node.nodeType === 1 && node.tagName === "LI") {
const msgEl = node.querySelector(".message");
this._replaceEmotesInElement(msgEl);
if (chatList.scrollHeight - chatList.scrollTop - chatList.clientHeight < 30) {
chatList.scrollTop = chatList.scrollHeight;
}
}
}));
observer.observe(chatList, { childList: true });
});
observer.observe(chatList, { childList: true });
}
_replaceExistingMessages() {
document.querySelectorAll("#chat > ul li .message").forEach(el => this._replaceEmotesInElement(el));
}
_replaceEmotesInElement(el) {
if (!el) return;
const walk = node => {
if (node.nodeType === Node.TEXT_NODE) {
const frag = this._processTextSegment(node.textContent);
node.replaceWith(frag);
} else if (node.nodeType === Node.ELEMENT_NODE) {
Array.from(node.childNodes).forEach(walk);
}
};
walk(el);
}
_processTextSegment(rawText) {
const frag = document.createDocumentFragment();
const segments = rawText
.replace(/((?<!\\)(?:\\\\)*)(?:\\n){2,}/g, "$1\\n")
.split(/(?<!\\)(?:\\\\)*\\n/)
.map(s => s.replace(/\\\\n/g, "\\n"));
for (let segIdx = 0; segIdx < segments.length; segIdx++) {
const seg = segments[segIdx];
let buffer = "";
let i = 0;
const flushBuffer = () => {
if (buffer) {
frag.appendChild(document.createTextNode(buffer));
buffer = "";
}
};
while (i < seg.length) {
const cp = seg.codePointAt(i);
if (cp === OLD_RGB_PREFIX && i + 3 < seg.length) {
flushBuffer();
const [rRaw, gRaw, bRaw] = [
seg.codePointAt(i + 1),
seg.codePointAt(i + 2),
seg.codePointAt(i + 3)
];
const [r, g, b] = [rRaw & 0xFF, gRaw & 0xFF, bRaw & 0xFF];
const raw = seg.slice(i, i + 4);
this._appendColor(frag, r, g, b, raw);
i += 4;
continue;
}
if (cp >= 0xE000 && cp <= 0xEFFF) {
flushBuffer();
const nib = cp & 0x0FFF;
const r = ((nib >> 8) & 0xF) * 17;
const g = ((nib >> 4) & 0xF) * 17;
const b = (nib & 0xF) * 17;
const raw = seg.slice(i, i + 1);
this._appendColor(frag, r, g, b, raw);
i += 1;
continue;
}
this.tokenRegex.lastIndex = 0;
const rest = seg.slice(i);
const m = this.tokenRegex.exec(rest);
if (m && m.index === 0) {
flushBuffer();
const full = m[0], key = m[1];
const img = document.createElement("img");
img.src = this.emoteUrls[key] || "";
img.alt = img.title = full;
img.style.height = "0.75rem";
img.style.verticalAlign = "middle";
img.style.cursor = "pointer";
img.addEventListener("click", () => navigator.clipboard.writeText(full));
frag.appendChild(img);
i += full.length;
continue;
}
buffer += seg[i];
i++;
}
flushBuffer();
if (segIdx < segments.length - 1) {
frag.appendChild(document.createElement("br"));
}
}
return frag;
}
_appendColor(frag, r, g, b, raw) {
const hex = ((r << 16) | (g << 8) | b).toString(16).padStart(6, "0").toUpperCase();
const span = document.createElement("span");
span.style.display = "inline-block";
span.style.width = "0.75rem";
span.style.height = "0.75rem";
span.style.verticalAlign = "middle";
span.style.backgroundColor = `#${hex}`;
span.style.cursor = "pointer";
span.title = `#${hex}`;
span.addEventListener("click", () => navigator.clipboard.writeText(raw));
frag.appendChild(span);
}
_initSuggestionListeners() {
const input = document.querySelector("#chat-input");
if (!input) return;
const dd = this.dropdown;
const MAX = this.MAX_SUGGESTIONS;
const OFFSET = this.DROPDOWN_OFFSET_PX;
const emoteKeys = Object.keys(this.emotes);
let selectedIndex = -1;
const wrapChar = ch => `<strong style="color: #ff007f;">${ch}</strong>`;
function showSuggestions(q, rect) {
const qLow = q.toLowerCase();
const buckets = [[], [], [], []];
for (const name of emoteKeys) {
const nameLow = name.toLowerCase();
if (nameLow === qLow) {
buckets[0].push(name);
} else if (nameLow.startsWith(qLow)) {
buckets[1].push(name);
} else if (nameLow.includes(qLow)) {
buckets[2].push(name);
} else {
let qi = 0;
for (const ch of nameLow) {
if (qi < qLow.length && ch === qLow[qi]) qi++;
}
if (qi === qLow.length) buckets[3].push(name);
}
}
for (const arr of buckets) arr.sort((a, b) => a.length - b.length || a.localeCompare(b));
const matches = buckets.flat().slice(0, MAX);
if (!matches.length) {
dd.style.display = "none";
return;
}
dd.innerHTML = "";
dd.style.display = "block";
dd.style.left = rect.left + "px";
dd.style.bottom = (window.innerHeight - rect.top + OFFSET) + "px";
const hdr = document.createElement("div");
hdr.innerHTML = `<em>Showing top <strong>${matches.length}</strong> suggestion${matches.length === 1 ? "" : "s"}...</em>`;
hdr.style.cssText = "font-size: 10px; color: #cccccc; padding: 6px; position: sticky; top: 0; background: #2c2c2c;";
dd.appendChild(hdr);
matches.forEach((name, idx) => {
const item = document.createElement("div");
item.className = "dropdown-item";
item.style.padding = "6px";
item.style.cursor = "pointer";
item.dataset.index = idx;
const img = document.createElement("img");
img.src = this.emoteUrls[name] || "";
img.alt = img.title = `:${name}:`;
img.style.height = "1rem";
img.style.verticalAlign = "middle";
img.style.marginRight = "4px";
item.appendChild(img);
let label = "";
let qi = 0;
for (const ch of name.split("")) {
if (qi < qLow.length && ch.toLowerCase() === qLow[qi]) {
label += wrapChar(ch);
qi++;
} else {
label += ch;
}
}
item.insertAdjacentHTML("beforeend", `:${label}:`);
item.addEventListener("click", () => select(idx));
dd.appendChild(item);
});
setSelected(0);
}
function clearSelection() {
dd.querySelectorAll(".dropdown-item.selected").forEach(el => {
el.classList.remove("selected");
el.style.backgroundColor = "#3c3c3c";
});
}
function setSelected(idx) {
clearSelection();
if (idx >= 0) {
const el = dd.querySelector(`.dropdown-item[data-index="${idx}"]`);
if (el) {
el.classList.add("selected");
el.style.backgroundColor = "#4c4c4c";
el.scrollIntoView({ block: "nearest" });
selectedIndex = idx;
}
} else {
selectedIndex = -1;
}
}
function select(idx) {
const el = dd.querySelector(`.dropdown-item[data-index="${idx}"]`);
if (el) {
const text = `${el.innerText.trim()} `;
input.value = input.value.replace(/(?<!\\):([^:]*)$/, text);
}
dd.style.display = "none";
input.focus();
}
input.addEventListener("input", () => {
const val = input.value, caret = input.selectionStart;
const before = val.slice(0, caret);
const m = before.match(/(?<!\\):([^:]+)$/);
if (m) {
showSuggestions.call(this, m[1], input.getBoundingClientRect());
} else {
dd.style.display = "none";
}
});
input.addEventListener("keydown", e => {
if (dd.style.display === "block") {
if (e.key === "ArrowDown" || e.key === "ArrowRight") {
e.preventDefault();
setSelected((selectedIndex + 1) % dd.querySelectorAll(".dropdown-item").length);
} else if (e.key === "ArrowUp" || e.key === "ArrowLeft") {
e.preventDefault();
const len = dd.querySelectorAll(".dropdown-item").length;
setSelected((selectedIndex - 1 + len) % len);
} else if (e.key === "Tab") {
if (selectedIndex >= 0) {
e.preventDefault();
select(selectedIndex);
}
} else if (e.key === "Escape" || e.key === "Enter") {
dd.style.display = "none";
}
}
});
document.addEventListener("click", e => {
if (!e.target.closest("#chat-input") && !e.target.closest("#emote-suggestions")) {
dd.style.display = "none";
}
});
}
}
const manager = new EmotesManager(GM_info.script.version, BASE_URL);
manager.init();
})();