beatsaber-overlay/index.js

// index.ts
function must(id) {
  const element = document.getElementById(id);
  if (!element) throw new Error(`Missing element: ${id}`);
  return element;
}
function parseJson(raw) {
  return JSON.parse(raw);
}
var beatSaberPlus = {
  // https://github.com/hardcpp/BeatSaberPlus/wiki/%5BEN%5D-Song-Overlay
  url: "ws://localhost:2947/socket",
  onMessage: (e) => {
    const data = parseJson(e.data);
    switch (data._type) {
      case "event":
        switch (data._event) {
          case "gameState":
            document.body.dataset.gameState = data.gameStateChanged;
            break;
          case "mapInfo":
            void updateMapInfo(data.mapInfoChanged);
            break;
          case "pause":
            updateTime(data.pauseTime, true);
            break;
          case "resume":
            updateTime(data.resumeTime, false);
            break;
          case "score":
            updateScore(data.scoreEvent);
            break;
        }
        break;
      default:
        console.log("message", e.data);
        break;
    }
  }
};
var provider = beatSaberPlus;
var retryMs = 1e4;
var retries = 0;
function connect() {
  console.log(`Connecting to ${provider.url} (attempt ${retries++})`);
  const ws = new WebSocket(provider.url);
  ws.onopen = onOpen;
  ws.onmessage = provider.onMessage;
  ws.onclose = onClose;
}
function onOpen() {
  console.log("Connection open.");
  retries = 0;
}
function onClose(e) {
  console.log(`Connection closed. code: ${e.code}, reason: ${e.reason}, clean: ${e.wasClean}`);
  setTimeout(connect, retryMs);
}
connect();
var cover = must("coverImg");
var title = must("title");
var subTitle = must("subTitle");
var artist = must("artist");
var mapper = must("mapper");
var difficulty = must("difficulty");
var characteristic = must("characteristicImg");
var difficultyLabel = must("difficultyLabel");
var type = must("type");
var bsrKey = must("bsrKey");
var timeMultiplier = 1;
var duration = 0;
async function updateMapInfo(data) {
  const custom = data.level_id.startsWith("custom_level_");
  const wip = custom && data.level_id.endsWith("WIP");
  cover.src = data.coverRaw ? `data:image/jpeg;base64,${data.coverRaw}` : "images/unknown.svg";
  title.textContent = data.name || "";
  subTitle.textContent = data.sub_name || "";
  artist.textContent = data.artist || "";
  mapper.textContent = data.mapper || "";
  difficulty.textContent = data.difficulty?.replace("Plus", " +") || "";
  characteristic.src = `images/characteristic/${data.characteristic}.svg`;
  difficultyLabel.textContent = "";
  type.textContent = !custom ? "OST" : wip ? "WIP" : "";
  bsrKey.textContent = data.BSRKey || "???";
  timeMultiplier = data.timeMultiplier || 1;
  duration = data.duration / 1e3;
  if (custom && !wip) {
    document.body.classList.add("loading");
    try {
      const response = await fetch(`https://api.beatsaver.com/maps/hash/${data.level_id.substring(13, 53)}`);
      const map = await response.json();
      if (!map.id) return;
      bsrKey.textContent = map.id;
      mapper.textContent = map.metadata.levelAuthorName;
      const diff = map.versions[0].diffs.find((d) => d.characteristic === data.characteristic && d.difficulty === data.difficulty);
      if (diff?.label) difficultyLabel.textContent = diff.label;
    } finally {
      document.body.classList.remove("loading");
    }
  }
}
var timeText = must("timeText");
var timeBar = must("timeBar");
var intervalMs = 500;
var intervalId = 0;
var currentTime = 0;
function updateTime(time, paused) {
  if (!settings.time) return;
  setTime(time);
  clearInterval(intervalId);
  if (paused) return;
  intervalId = window.setInterval(() => setTime(currentTime + intervalMs * timeMultiplier / 1e3), intervalMs);
}
function setTime(time) {
  currentTime = time;
  timeText.textContent = `${formatTime(currentTime)} / ${formatTime(duration)}`;
  timeBar.style.width = `${currentTime / (duration || Infinity) * 100}%`;
}
function formatTime(t) {
  t = Math.floor(t);
  const minutes = Math.floor(t / 60);
  const seconds = t - minutes * 60;
  return `${minutes}:${String(seconds).padStart(2, "0")}`;
}
var accuracy = must("accuracy");
var mistakes = must("mistakes");
function updateScore(score) {
  if (!settings.score) return;
  accuracy.textContent = (score.accuracy * 100).toFixed(1);
  mistakes.textContent = score.missCount ? String(score.missCount) : "";
  accuracy.classList.toggle("failed", score.currentHealth === 0);
}
var settings = {
  cover: true,
  mapInfo: true,
  time: true,
  score: true,
  bsr: false,
  debug: false,
  right: false,
  bottom: true,
  scale: 1,
  fade: 300
};
var defaults = structuredClone(settings);
var style = document.createElement("style");
function loadSettings() {
  const params = new URLSearchParams(location.hash.slice(1));
  let css = "";
  for (const [key, def] of Object.entries(defaults)) {
    const value = parseJson(params.get(key) || "null") ?? def;
    settings[key] = value;
    if (typeof def === "boolean") document.body.classList.toggle(key, Boolean(value));
    else css += `--${key}: ${value}; `;
  }
  style.textContent = `:root { ${css}}`;
}
function saveSettings() {
  const params = new URLSearchParams();
  for (const [key, value] of Object.entries(settings)) {
    if (value !== defaults[key]) params.set(key, JSON.stringify(value));
  }
  location.replace(`#${params.toString()}`);
}
window.onhashchange = loadSettings;
loadSettings();
document.head.appendChild(style);
for (const key of [
  "cover",
  "mapInfo",
  "time",
  "score",
  "bsr",
  "debug"
]) {
  const input = must(`${key}Input`);
  input.checked = settings[key];
  input.oninput = () => {
    settings[key] = input.checked;
    saveSettings();
    if (key === "debug") void loadRequestQueue();
  };
}
var scale = must("scaleInput");
scale.valueAsNumber = settings.scale * 100;
scale.oninput = () => {
  settings.scale = scale.valueAsNumber / 100;
  saveSettings();
};
var position = must("positionInput");
position.value = JSON.stringify([
  settings.right,
  settings.bottom
]);
position.onchange = () => {
  [settings.right, settings.bottom] = parseJson(position.value);
  saveSettings();
};
var fade = must("fadeInput");
fade.valueAsNumber = settings.fade;
fade.oninput = () => {
  settings.fade = fade.valueAsNumber;
  saveSettings();
};
document.documentElement.onclick = () => document.body.classList.toggle("preview");
must("settings").onclick = (e) => e.stopPropagation();
var MAX_REQUESTS = 10;
var REQUEST_POLL_MS = 5e3;
var requestListEl = must("requestList");
var requestOverlayEl = must("requestOverlay");
var requestEmptyEl = must("requestEmpty");
var requestTitleCache = /* @__PURE__ */ new Map();
function useRequestHistorySim() {
  return settings.debug || new URLSearchParams(location.search).get("debug") === "1";
}
function requestJsonFilenames() {
  const explicit = new URLSearchParams(location.search).get("requests");
  if (explicit) return [
    explicit
  ];
  if (useRequestHistorySim()) return [
    "ChatRequest.json",
    "database.json"
  ];
  return [
    "ChatRequest.json"
  ];
}
function loadJsonNextToPage(fileName) {
  const base = new URL(fileName, location.href);
  if (base.protocol !== "http:" && base.protocol !== "https:") {
    throw new Error("not-http");
  }
  const busted = new URL(base.href);
  busted.searchParams.set("t", String(Date.now()));
  return fetch(busted.href, {
    cache: "no-store"
  }).then((res) => {
    if (!res.ok) throw new Error(String(res.status));
    return res.json();
  });
}
async function loadRequestPayload() {
  let lastErr;
  for (const name of requestJsonFilenames()) {
    try {
      return await loadJsonNextToPage(name);
    } catch (e) {
      lastErr = e;
    }
  }
  throw lastErr instanceof Error ? lastErr : new Error(String(lastErr));
}
function requesterLine(item) {
  const parts = [
    item.npr,
    item.rqn
  ].filter(Boolean);
  return parts.length ? parts.join(" ") : item.rqn || "";
}
async function enrichRequestTitle(key, titleEl) {
  if (requestTitleCache.has(key)) {
    titleEl.textContent = requestTitleCache.get(key) ?? "";
    return;
  }
  try {
    const response = await fetch(`https://api.beatsaver.com/maps/id/${encodeURIComponent(key)}`);
    if (!response.ok) return;
    const map = await response.json();
    const name = map.metadata?.songName ?? map.name;
    if (name && typeof name === "string") {
      requestTitleCache.set(key, name);
      titleEl.textContent = name;
    }
  } catch {
  }
}
function renderRequestList(items) {
  requestListEl.replaceChildren();
  requestOverlayEl.classList.toggle("has-items", items.length > 0);
  for (const item of items) {
    const li = document.createElement("li");
    li.className = "request-item";
    const titleEl = document.createElement("span");
    titleEl.className = "request-title";
    titleEl.textContent = `!bsr ${item.key}`;
    li.appendChild(titleEl);
    const who = requesterLine(item);
    if (who) {
      const meta = document.createElement("span");
      meta.className = "request-meta";
      meta.textContent = who;
      li.appendChild(meta);
    }
    requestListEl.appendChild(li);
    void enrichRequestTitle(item.key, titleEl);
  }
}
async function loadRequestQueue() {
  try {
    const data = await loadRequestPayload();
    requestEmptyEl.textContent = "No pending requests";
    requestOverlayEl.classList.remove("request-load-failed");
    const raw = useRequestHistorySim() ? data.history ?? [] : data.queue ?? [];
    const items = raw.slice(0, MAX_REQUESTS);
    renderRequestList(items);
  } catch {
    requestEmptyEl.textContent = "whupsy, database file missing";
    requestOverlayEl.classList.add("request-load-failed");
    renderRequestList([]);
  }
}
void loadRequestQueue();
window.setInterval(() => void loadRequestQueue(), REQUEST_POLL_MS);