Multiplayer Piano Optimizations [Emotes]

Display emoticons and colors in chat!

当前为 2025-08-06 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      1.4.15
// @description  Display emoticons and colors in chat!
// @author       zackiboiz, ccjit
// @match        *://multiplayerpiano.com/*
// @match        *://multiplayerpiano.net/*
// @match        *://dev.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/*
// @match        *://piano.ourworldofpixels.com/*
// @match        *://mpp.lapishusky.dev/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=multiplayerpiano.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) {
                new MPP.Notification({
                    "m": "notification",
                    "duration": 15000,
                    "title": "Update Available",
                    "html": "<p>A new version of this script is available!</p>" +
                        `<p style='margin-top: 10px;'>Script: ${GM_info.script.name}</p>` +
                        `<p>Local: v${localVersion}</p>` +
                        `<p>Latest: v${remoteVersion}</p>` +
                        `<a href='https://greasyfork.org/scripts/${scriptId}' target='_blank' style='position: absolute; right: 0;bottom: 0; margin: 10px; font-size: 0.5rem;'>Open Greasy Fork to update?</a>`
                })
            }
        }).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.emotePromises = {};
            this.tokenRegex = null;
            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();
                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}`);
            this.emotes = await res.json();
        }

        _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");
        }

        async _getEmoteUrl(key) {
            if (this.emoteUrls[key]) return this.emoteUrls[key];
            if (this.emotePromises[key]) return this.emotePromises[key];

            const promise = (async () => {
                const ext = this.emotes[key];
                try {
                    const resp = await fetch(`${this.baseUrl}/emotes/assets/${key}.${ext}?_=${Date.now()}`);
                    if (!resp.ok) throw new Error(`HTTP ${resp.status}`);
                    const blob = await resp.blob();
                    const url = URL.createObjectURL(blob);
                    this.emoteUrls[key] = url;
                    return url;
                } catch (e) {
                    console.warn(`Failed to load emote "${key}":`, e);
                    return "";
                } finally {
                    delete this.emotePromises[key];
                }
            })();

            this.emotePromises[key] = promise;
            return promise;
        }

        _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.ELEMENT_NODE && node.tagName.toLowerCase() === "code") return;

                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.split(/(?<!\\)(?:\\\\)*\\n/);

            for (let segIdx = 0; segIdx < segments.length; segIdx++) {
                const seg = segments[segIdx];
                let buffer = "", i = 0;

                const flush = () => {
                    if (buffer) {
                        frag.appendChild(document.createTextNode(buffer));
                        buffer = "";
                    }
                };

                while (i < seg.length) {
                    if (seg[i] === "\\" && seg[i + 1] === ":") {
                        i += 2;
                        continue;
                    }

                    const rest = seg.slice(i);
                    this.tokenRegex.lastIndex = 0;
                    const m = this.tokenRegex.exec(rest);
                    if (m) {
                        const full = m[0], key = m[1];
                        const absIdx = i + m.index;
                        let k = absIdx - 1, backCount = 0;
                        while (k >= 0 && seg[k] === "\\") {
                            backCount++; k--;
                        }

                        if (backCount % 2 === 1) {
                            flush();
                            frag.appendChild(document.createTextNode(full));
                            i = absIdx + full.length;
                            continue;
                        }

                        if (m.index === 0) {
                            flush();
                            const img = document.createElement("img");
                            img.alt = img.title = full;
                            img.style.cssText = "height: 0.75rem; vertical-align: middle; cursor: pointer; image-rendering: auto;";

                            this._getEmoteUrl(key).then(url => {
                                img.src = url;
                            });
                            img.addEventListener("click", () => navigator.clipboard.writeText(full));
                            frag.appendChild(img);
                            i += full.length;
                            continue;
                        }
                    }

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

                    buffer += seg[i++];
                }

                flush();
                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");
            const dd = this.dropdown;
            const OFFSET = this.DROPDOWN_OFFSET_PX;
            const emoteKeys = Object.keys(this.emotes);
            let selectedIndex = -1;

            const wrapChar = ch => `<strong style="color: #ff007f;">${ch}</strong>`;

            const 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 (qLow && nameLow.startsWith(qLow)) {
                        buckets[1].push(name);
                    } else if (qLow && nameLow.includes(qLow)) {
                        buckets[2].push(name);
                    } else if (!qLow || isSubsequence(qLow, nameLow)) {
                        buckets[3].push(name);
                    }
                }

                for (let i = 0; i < buckets.length; i++) {
                    if (i >= 2 && qLow) {
                        buckets[i].sort((a, b) => {
                            const ia = a.toLowerCase().indexOf(qLow[0]);
                            const ib = b.toLowerCase().indexOf(qLow[0]);
                            if (ia !== ib) return ia - ib;
                            return a.length - b.length || a.localeCompare(b);
                        });
                    } else {
                        buckets[i].sort((a, b) => a.length - b.length || a.localeCompare(b));
                    }
                }
                const matches = buckets.flat();
                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.dataset.index = idx;
                    item.style.cssText = "padding: 6px; cursor: pointer;";
                    const img = document.createElement("img");
                    img.alt = img.title = `:${name}:`;
                    img.style.cssText = "height: 1rem; vertical-align: middle; margin-right: 4px; image-rendering: auto;";
                    this._getEmoteUrl(name).then(url => img.src = url);
                    item.appendChild(img);

                    let label = "";
                    let qi = 0;
                    for (const ch of name) {
                        if (qi < qLow.length && ch.toLowerCase() === qLow[qi]) {
                            label += wrapChar(ch);
                            qi++;
                        }
                        else label += ch;
                    }
                    item.insertAdjacentHTML("beforeend", `:${label}:`);
                    item.addEventListener("click", () => {
                        input.value = input.value.replace(/(?<!\\):([^:]*)$/, `:${name}: `);
                        dd.style.display = "none"; input.focus();
                    });
                    dd.appendChild(item);
                });
                setSelected(0);
            };

            const isSubsequence = (q, name) => {
                let qi = 0;
                for (const ch of name) {
                    if (qi < q.length && ch === q[qi]) qi++;
                }
                return qi === q.length;
            };

            const clearSelection = () => {
                dd.querySelectorAll(".dropdown-item.selected").forEach(el => {
                    el.classList.remove("selected");
                    el.style.backgroundColor = "#3c3c3c";
                });
            };

            const 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;
                }
            };

            input.addEventListener("input", () => {
                const val = input.value;
                const caret = input.selectionStart;
                const before = val.slice(0, caret);

                const m = before.match(/(?<![\\\w]):([^:\s]*)$/);
                if (!m) {
                    this.dropdown.style.display = "none";
                    return;
                }
                if (/:(?:[^:\s]+):$/.test(before)) {
                    this.dropdown.style.display = "none";
                    return;
                }

                showSuggestions(m[1], input.getBoundingClientRect());
            });

            input.addEventListener("keydown", e => {
                if (dd.style.display === "block") {
                    const items = dd.querySelectorAll(".dropdown-item");
                    if (e.key === "ArrowDown" || e.key === "ArrowRight") {
                        e.preventDefault();
                        setSelected((selectedIndex + 1) % items.length);
                    } else if (e.key === "ArrowUp" || e.key === "ArrowLeft") {
                        e.preventDefault();
                        setSelected((selectedIndex - 1 + items.length) % items.length);
                    } else if (e.key === "Tab") {
                        if (selectedIndex >= 0) {
                            e.preventDefault();
                            items[selectedIndex].click();
                        }
                    } 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();
})();