Dynamic NQ

Smoother Note Quota for MPP

Versione datata 20/08/2025. Vedi la nuova versione l'ultima versione.

Dovrai installare un'estensione come Tampermonkey, Greasemonkey o Violentmonkey per installare questo script.

Dovrai installare un'estensione come Tampermonkey o Violentmonkey per installare questo script.

Dovrai installare un'estensione come Tampermonkey o Violentmonkey per installare questo script.

Dovrai installare un'estensione come Tampermonkey o Userscripts per installare questo script.

Dovrai installare un'estensione come ad esempio Tampermonkey per installare questo script.

Dovrai installare un gestore di script utente per installare questo script.

(Ho già un gestore di script utente, lasciamelo installare!)

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

Dovrai installare un'estensione per la gestione degli stili utente per installare questo stile.

Dovrai installare un'estensione per la gestione degli stili utente per installare questo stile.

Dovrai installare un'estensione per la gestione degli stili utente per installare questo stile.

(Ho già un gestore di stile utente, lasciamelo installare!)

// ==UserScript==
// @name        Dynamic NQ
// @namespace   seq.wtf
// @match       *://mppclone.com/*
// @match       *://mpp.8448.space/*
// @match       *://multiplayerpiano.net/*
// @match       *://beta-mpp.cedms.jp/*
// @match       *://beta-mpp.csys64.com/*
// @match       *://mpp.terrium.net/*
// @match       *://mppfork.netlify.app/*
// @match       *://mpp.hri7566.info/*
// @match       *://www.multiplayerpiano.dev/*
// @match       *://mc.hri7566.info:8080/*
// @match       *://mpp176.tk/*
// @match       *://piano.ourworldofpixels.com/*
// @match       *://mpp.lapishusky.dev/*
// @match       *://mpp.hyye.tk/*
// @match       *://openmpp.tk/*
// @match       *://staging-mpp.sad.ovh/*
// @run-at      document-start
// @grant       none
// @version     1.0
// @author      Seq
// @description Smoother Note Quota for MPP
// @license     Beerware
// ==/UserScript==

class NoteQuota {
  // allowance and maxHistLen are unused but kept for backwards compatibility
  static PARAMS_LOBBY = { allowance: 200, max: 600, maxHistLen: 3 };
  static PARAMS_NORMAL = { allowance: 400, max: 1200, maxHistLen: 3 };
  static PARAMS_RIDICULOUS = { allowance: 600, max: 1800, maxHistLen: 3 };
  static PARAMS_OFFLINE = { allowance: 8000, max: 24000, maxHistLen: 3 };
  static PARAMS_UNLIMITED = { allowance: 1000000, max: 3000000, maxHistLen: 3 };
  static PARAMS_INFINITE = { allowance: Infinity, max: Infinity, maxHistLen: 3 };

  #points = 0;
  #cachedPoints = 0;
  #regenRate = 0; // pts/ms; dynamic based on max
  #cacheTimestamp = 0; // 0 = invalid
  #lastUpdateTimestamp = 0;

  #recalc(timestamp) {
    const timeElapsed = timestamp - this.#lastUpdateTimestamp;
    const regeneratedPoints = timeElapsed > 0 ? timeElapsed * this.#regenRate : 0;
    return Math.min(this.#points + regeneratedPoints, this.max);
  }

  constructor(cb, params) {
    // this.cb = cb; // UPDATES MANUALLY -> updateQuotaBar()
    this.max = 0;

    this.CACHE_DURATION_MS = 10;

    this.setParams(params);
  }

  get points() {
    const now = Date.now();

    if (this.#cacheTimestamp > 0 && now - this.#cacheTimestamp < this.CACHE_DURATION_MS) {
      return this.#cachedPoints;
    }

    const currentPoints = this.#recalc(now);

    // prime cache
    this.#cachedPoints = currentPoints;
    this.#cacheTimestamp = now;

    return currentPoints;
  }

  getParams() {
    return {
      m: "nq",
      allowance: this.max / 3,
      max: this.max,
      maxHistLen: 3
    };
  }

  setParams(params) {
    params = params || NoteQuota.PARAMS_OFFLINE;
    const max = params.max || this.max || NoteQuota.PARAMS_OFFLINE.max;

    if (max !== this.max) {
      this.max = max;
      this.#regenRate = max / 6000;
      this.resetPoints();
      return true;
    }
    return false;
  }

  resetPoints() {
    this.#points = this.max;
    this.#lastUpdateTimestamp = Date.now();

    // invalidate cache
    // priming would also work, but this is rarely called,
    // so invalidating is acceptable
    this.#cacheTimestamp = 0;

    if (this.cb) this.cb(this.points);
  }

  spend(needed) {
    const now = Date.now();

    // saves a Date.now() call over just using this.points
    const currentPoints = this.#recalc(now);

    if (currentPoints < needed) return false;

    this.#points = currentPoints - needed;
    this.#lastUpdateTimestamp = now;

    // prime cache
    this.#cachedPoints = this.#points;
    this.#cacheTimestamp = now;

    if (this.cb) this.cb(this.#points);
    return true;
  }

  // legacy
  tick() {
    // the MPP client will call this every two seconds
    // do nothing
  }

  get allowance() {
    return this.max / 3;
  }

  get maxHistLen() {
    return 3;
  }

  get history() {
    const p = this.points;
    return [p, p, p];
  }
}

// trap the NoteQuota definition
let patched = false;
Object.defineProperty(window, "NoteQuota", {
  configurable: true,
  enumerable: true,
  get: () => NoteQuota,
  set: () => {
    patched = true;
    delete window.NoteQuota;
    window.NoteQuota = NoteQuota;
  }
});

// very cursed race condition fallback
// (the MPP object could become initialized before we get the chance to hijack the NoteQuota object)
const fallbackInterval = setInterval(() => {
  if (patched || window.MPP?.noteQuota?.CACHE_DURATION_MS) return clearInterval(fallbackInterval); // patched successfully
  if (!window.MPP?.noteQuota) return; // not initialized yet

  console.warn("[DynamicNQ] Race condition lost! Post-patching...");

  const originalInstance = window.MPP.noteQuota;
  const customInstance = new NoteQuota(originalInstance.cb);

  const customProps = new Set([
    ...Object.getOwnPropertyNames(customInstance),
    ...Object.getOwnPropertyNames(NoteQuota.prototype)
  ]);

  for (const prop of customProps) {
    if (prop === "constructor") continue;

    const descriptor = Object.getOwnPropertyDescriptor(customInstance, prop) ||
                       Object.getOwnPropertyDescriptor(NoteQuota.prototype, prop);

    if (typeof descriptor.value === 'function') {
      originalInstance[prop] = descriptor.value.bind(customInstance);
    } else {
      Object.defineProperty(originalInstance, prop, {
        configurable: true,
        get: () => customInstance[prop],
        set: v => customInstance[prop] = v,
      });
    }
  }

  delete originalInstance.cb;

  patched = true;
  clearInterval(fallbackInterval);
});

let nqBar = null;
(function updateQuotaBar() {
  window.requestAnimationFrame(updateQuotaBar);
  if (!$ || !window.MPP?.noteQuota) return;
  if (!nqBar) nqBar = $("#quota .value");
  const nq = window.MPP.noteQuota;
  nqBar.css("width", `${(nq.points / nq.max) * 100}%`);
})();