990 lines
39 KiB
JavaScript
990 lines
39 KiB
JavaScript
/**
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* danmaku.js — NicoNico/弾幕-style flying comments for v0ck
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*
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* Usage:
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* const d = new Danmaku(playerEl, videoEl);
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* d.load(commentsArray); // feed comments from API
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* d.fire('hello!', 'user', '#f0f'); // fire one immediately
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* d.toggle(); // toggle on/off
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* d.destroy(); // cleanup
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*/
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(function () {
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const PILL_MIN_MS = 6000; // Fastest a pill can cross the screen
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const PILL_MAX_MS = 12000; // Slowest a pill can cross the screen
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const LOOKAHEAD_SEC = 0.25; // How far ahead of currentTime we look when scanning
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const MIN_RANDOM_SECS = 2; // Random timecode lower bound (avoid very start)
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const RANDOM_SPREAD = 0.85; // Use 85% of duration for random spread
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const DEFAULT_DANMAKU_TUNING = {
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fontSize: 35,
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opacity: 1.0,
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speedMultiplier: 1.0,
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laneCount: 10,
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laneCoverage: 100,
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fontWeight: 700,
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outlineStyle: 2, // 0=None, 1=Subtle, 2=Default Outline, 3=Neon Glow
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useCustomColor: 0,
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customColor: '#ffffff',
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pillBackground: 0, // 0=None, 1=Glass Card, 2=Solid Capsule
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allowMediaEmbeds: 1,
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mediaMaxHeight: 80,
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showGreentext: 1,
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densityLimit: 35,
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flashInterval: 2.5,
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showLaneGuides: 0,
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showDebugHUD: 0
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};
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const loadDanmakuTuning = () => {
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try {
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const raw = localStorage.getItem('f0ck_danmaku_tuning');
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return raw ? Object.assign({}, DEFAULT_DANMAKU_TUNING, JSON.parse(raw)) : Object.assign({}, DEFAULT_DANMAKU_TUNING);
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} catch (e) {
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return Object.assign({}, DEFAULT_DANMAKU_TUNING);
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}
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};
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window.DEFAULT_DANMAKU_TUNING = DEFAULT_DANMAKU_TUNING;
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window.danmakuTuning = window.danmakuTuning || loadDanmakuTuning();
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/**
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* SyntheticClock — emulates a <video> element's time API for non-video items
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* (Flash/Ruffle). Ticks at 4 Hz so Danmaku's timeupdate handler fires normally.
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*/
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class SyntheticClock {
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constructor() {
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this._currentTime = 0;
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this._paused = false;
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this._listeners = { timeupdate: [], seeked: [] };
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this._timer = this._startTimer();
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}
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_startTimer() {
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return setInterval(() => {
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if (this._paused) return;
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this._currentTime += 0.25;
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this._listeners.timeupdate.forEach(fn => fn());
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}, 250);
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}
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get currentTime() { return this._currentTime; }
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get duration() { return Infinity; }
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get paused() { return this._paused; }
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pause() {
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// For Flash/Ruffle: never pause the clock — let pills and time advance freely.
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// Ruffle's is_playing is unreliable and would stall danmaku if respected.
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this._paused = true;
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}
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resume() {
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this._paused = false;
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}
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addEventListener(type, fn, opts) {
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if (this._listeners[type]) this._listeners[type].push(fn);
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}
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removeEventListener(type, fn) {
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if (this._listeners[type])
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this._listeners[type] = this._listeners[type].filter(f => f !== fn);
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}
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/** Reset the clock to zero (used for looping in Flash/Ruffle mode). */
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reset() {
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this._currentTime = 0;
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this._listeners.seeked.forEach(fn => fn());
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}
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destroy() { clearInterval(this._timer); }
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}
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class Danmaku {
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/**
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* @param {HTMLElement} playerEl — the .v0ck wrapper element
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* @param {HTMLVideoElement|HTMLAudioElement} mediaEl — the <video> or <audio>
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*/
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constructor(playerEl, mediaEl) {
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this.player = playerEl;
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this.media = mediaEl;
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this._synthClock = (mediaEl instanceof SyntheticClock) ? mediaEl : null;
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this.overlay = null;
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this.items = [];
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this._lastTime = -1;
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this._paused = false;
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const initialLanes = Math.max(2, Math.min(30, Number(window.danmakuTuning?.laneCount) || 10));
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this._laneUntil = new Array(initialLanes).fill(0);
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// Site-wide config default
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const configDefault = (window.f0ckSession && window.f0ckSession.enable_danmaku !== undefined)
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? !!window.f0ckSession.enable_danmaku
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: true;
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// User preference
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const savedPref = localStorage.getItem('danmaku');
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if (savedPref !== null) {
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// User has explicitly chosen ON or OFF in the past
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this._enabled = savedPref !== 'false';
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} else {
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// No user preference yet — use the site-wide factory default
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this._enabled = configDefault;
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}
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this._bound_onTime = this._onTimeUpdate.bind(this);
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this._bound_onSeek = this._onSeeked.bind(this);
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this._bound_onPause = this._onPause.bind(this);
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this._bound_onPlay = this._onPlay.bind(this);
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// Own emoji cache — populated via CommentSystem, event, or independent fetch
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this._emojiCache = {};
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this._initEmojiCache();
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this._createOverlay();
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this._applyTuning();
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this._bound_onTuningChange = () => this._applyTuning();
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window.addEventListener('f0ck:danmaku_tuning_changed', this._bound_onTuningChange);
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this.media.addEventListener('timeupdate', this._bound_onTime, { passive: true });
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this.media.addEventListener('seeked', this._bound_onSeek, { passive: true });
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this.media.addEventListener('pause', this._bound_onPause, { passive: true });
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this.media.addEventListener('play', this._bound_onPlay, { passive: true });
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}
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/**
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* Initialise the emoji cache from whichever source resolves first:
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* 1. CommentSystem.emojiCache already populated (fast path — browser was already on a page)
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* 2. f0ck:emojis_ready event (CommentSystem finishes loading after us)
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* 3. Independent fetch (Ruffle/Flash items where CommentSystem may never fire the event)
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*/
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_initEmojiCache() {
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// Fast path: CommentSystem already populated (AJAX nav / second page view)
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const tryCs = () => {
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const cs = (typeof CommentSystem !== 'undefined') ? CommentSystem.emojiCache : null;
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return (cs && Object.keys(cs).length > 0) ? cs : null;
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};
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const cs0 = tryCs();
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if (cs0) { this._emojiCache = cs0; return; }
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// Listen for CommentSystem's own event
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this._bound_onEmojis = (e) => {
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const map = e.detail || tryCs() || {};
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if (map && Object.keys(map).length > 0) {
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this._emojiCache = map;
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this._reRenderEmojis();
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}
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};
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window.addEventListener('f0ck:emojis_ready', this._bound_onEmojis);
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// Aggressive retry: try every 500 ms for up to 30 attempts.
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let attempts = 0;
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let fetched = false;
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const retry = () => {
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if (this._emojiCache && Object.keys(this._emojiCache).length > 0) return;
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if (++attempts > 30) return;
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const cs = tryCs();
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if (cs) {
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this._emojiCache = cs;
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this._reRenderEmojis();
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return;
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}
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if (!fetched) {
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fetched = true;
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fetch('/api/v2/emojis')
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.then(r => {
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if (!r.ok) throw new Error(`emoji fetch ${r.status}`);
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return r.json();
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})
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.then(data => {
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if (!data.success || !Array.isArray(data.emojis)) return;
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const map = {};
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data.emojis.forEach(e => { map[e.name] = e.url; });
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if (Object.keys(map).length > 0) {
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this._emojiCache = map;
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this._reRenderEmojis();
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}
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})
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.catch(err => {
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console.warn('[Danmaku] emoji fetch failed:', err.message);
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fetched = false;
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});
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}
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if (!this._destroyed) setTimeout(retry, 500);
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};
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setTimeout(retry, 200);
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}
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// ── Public API ────────────────────────────────────────────────────────────
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/**
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* Load (or reload) comments. Comments with video_time=null get a random time.
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* @param {Array} comments — raw comment objects from /api/comments
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*/
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load(comments) {
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if (!Array.isArray(comments) || comments.length === 0) return;
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const duration = this.media.duration;
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const hasDuration = isFinite(duration) && duration > 0;
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// Build the prepared item list
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const mapped = comments
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.filter(c => !c.is_deleted && c.content)
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.map(c => ({
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id: c.id || null,
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text: this._prepareText(c.content),
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username: c.display_name || c.username || '?',
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color: c.username_color || null,
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raw_time: (c.video_time != null) ? parseFloat(c.video_time) : null,
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fired: false,
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video_time: 0
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}));
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if (this._synthClock) {
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this._flashPool = mapped;
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this._startFlashLoop();
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return;
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}
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this.items = mapped.map(item => {
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if (item.raw_time !== null) {
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item.video_time = item.raw_time;
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} else if (hasDuration) {
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const spread = duration * RANDOM_SPREAD;
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item.video_time = MIN_RANDOM_SECS + Math.random() * Math.max(0, spread - MIN_RANDOM_SECS);
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} else {
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item.video_time = MIN_RANDOM_SECS + Math.random() * 598;
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}
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return item;
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}).sort((a, b) => a.video_time - b.video_time);
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this._resetFiredState(this.media.currentTime);
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this._lastTime = this.media.currentTime;
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}
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/**
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* Random continuous loop for Flash/Ruffle.
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*/
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_startFlashLoop() {
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if (this._flashTimer) clearTimeout(this._flashTimer);
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this._flashTimer = null;
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if (!this._flashPool || this._flashPool.length === 0) return;
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const shuffle = arr => {
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for (let i = arr.length - 1; i > 0; i--) {
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const j = Math.floor(Math.random() * (i + 1));
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[arr[i], arr[j]] = [arr[j], arr[i]];
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}
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return arr;
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};
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let queue = shuffle([...this._flashPool]);
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let idx = 0;
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const tick = () => {
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if (this._destroyed || !this._enabled) return;
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if (idx >= queue.length) {
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queue = shuffle([...this._flashPool]);
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idx = 0;
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}
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const item = queue[idx++];
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this._spawnPill(item.text, item.username, item.color);
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const cfg = window.danmakuTuning || DEFAULT_DANMAKU_TUNING;
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const baseInterval = Math.max(0.4, Number(cfg.flashInterval) || 2.5);
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const delay = (baseInterval * 1000) + Math.random() * (baseInterval * 1200);
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this._flashTimer = setTimeout(tick, delay);
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};
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this._flashTimer = setTimeout(tick, 800);
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}
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/**
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* Immediately fire a single comment pill (e.g. user's own new comment).
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*/
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fire(text, username, color) {
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if (!this._enabled) return;
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this._spawnPill(this._prepareText(text), username, color);
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}
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/**
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* Add a new comment to the timeline so it loops back in future playback.
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*/
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addItem(comment) {
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if (!comment || !comment.content) return;
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if (comment.id && this.items && this.items.some(i => i.id === comment.id)) return;
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const duration = this.media.duration;
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const hasDuration = isFinite(duration) && duration > 0;
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let t = (comment.video_time != null) ? parseFloat(comment.video_time) : null;
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if (t === null) {
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const now = this.media.currentTime || 0;
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if (hasDuration) {
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const remaining = duration - now;
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const spread = Math.max(remaining * 0.9, MIN_RANDOM_SECS);
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t = now + MIN_RANDOM_SECS + Math.random() * spread;
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if (t > duration) t = MIN_RANDOM_SECS + Math.random() * duration * RANDOM_SPREAD;
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} else {
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t = (this.media.currentTime || 0) + MIN_RANDOM_SECS + Math.random() * 300;
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}
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}
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const item = {
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id: comment.id || null,
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video_time: t,
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text: this._prepareText(comment.content),
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username: comment.display_name || comment.username || '?',
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color: comment.username_color || null,
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fired: true
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};
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if (this._synthClock && this._flashPool) {
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if (!this._flashPool.some(i => (comment.id && i.id === comment.id) || (i.text === item.text && i.username === item.username))) {
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this._flashPool.push(item);
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}
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return;
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}
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const idx = this.items.findIndex(i => i.video_time > t);
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if (idx === -1) this.items.push(item);
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else this.items.splice(idx, 0, item);
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}
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/** Toggle danmaku on/off. */
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toggle() {
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this._enabled = !this._enabled;
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localStorage.setItem('danmaku', this._enabled ? 'true' : 'false');
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if (this.overlay) this.overlay.style.display = this._enabled ? '' : 'none';
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const sw = this.player.querySelector('#toggledanmaku');
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if (sw) sw.classList.toggle('active', this._enabled);
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}
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setEnabled(val) {
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if (this._enabled === !!val) return;
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this.toggle();
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}
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isEnabled() { return this._enabled; }
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toggleLoop(forcedVal, options = {}) {
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this._loopMode = (forcedVal !== undefined) ? !!forcedVal : !this._loopMode;
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if (this._loopMode) {
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this.items.forEach(i => { i.fired = false; });
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this._startDebugContinuousLoop(options.interval || 220, options.customText, options.username, options.color);
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} else {
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this._stopDebugContinuousLoop();
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}
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return this._loopMode;
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}
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isLooping() {
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return !!this._loopMode;
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}
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_getSampleComments() {
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return [
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{ text: 'Danmaku burst test! :kreygasm:', username: 'BurstUser', color: '#ffcc00' },
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{ text: '>be me\n>browsing f0ck\n>feels good man', username: 'Anon', color: '#78b87a' },
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{ text: '[spoiler]Secret Classified Spoiler[/spoiler]', username: 'Agent007', color: '#ff5577' },
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{ text: '[blur]Sensitive content blur reveal[/blur]', username: 'ModUser', color: '#bb77ff' },
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{ text: 'Testing flight speed & collision avoidance 🚀', username: 'DevTester', color: '#00e5ff' },
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{ text: '弾幕 Nico Nico style flying comment', username: 'Otaku', color: '#ff88aa' },
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{ text: 'Super high density bullet stream! ⚡⚡', username: 'HyperUser', color: '#99ff00' },
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{ text: 'FeelsGoodMan :feelsgood:', username: 'Pepe', color: '#55cc55' },
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{ text: 'Nice visualizer and danmaku sync! 🔥', username: 'Vibes', color: '#ff6600' },
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{ text: '>mfw danmaku is running infinitely :dance_fart:', username: 'F0cker', color: '#78b87a' }
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];
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}
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_startDebugContinuousLoop(interval = 220, customText = null, username = null, color = null) {
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if (this._debugLoopTimer) clearInterval(this._debugLoopTimer);
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let idx = 0;
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const tick = () => {
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if (this._destroyed || !this._enabled || !this._loopMode) {
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this._stopDebugContinuousLoop();
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return;
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}
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if (customText) {
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this._spawnPill(customText, username || 'LoopTester', color || '#00ffcc');
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} else {
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let pool = (this.items && this.items.length > 0) ? this.items : (this._flashPool || []);
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if (!pool || pool.length === 0) {
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pool = this._getSampleComments();
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}
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if (idx >= pool.length) {
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idx = 0;
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pool.forEach(i => { i.fired = false; });
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}
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const item = pool[idx++];
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if (item) {
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this._spawnPill(item.text, item.username || 'Tester', item.color || null);
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}
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}
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};
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tick();
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this._debugLoopTimer = setInterval(tick, Math.max(40, interval));
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}
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_stopDebugContinuousLoop() {
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if (this._debugLoopTimer) {
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clearInterval(this._debugLoopTimer);
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this._debugLoopTimer = null;
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}
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}
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clearActivePills() {
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if (!this.overlay) return;
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this.overlay.querySelectorAll('.danmaku-pill').forEach(p => p.remove());
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}
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resetTimeline() {
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if (this._synthClock) {
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this._loopSynth();
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} else {
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this._resetFiredState(this.media ? this.media.currentTime : 0);
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this._lastTime = this.media ? this.media.currentTime : 0;
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}
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}
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fireBurst(count = 10, options = {}) {
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const isFlood = count > 15;
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const interval = isFlood ? 100 : 160;
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if (this._loopMode) {
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this._startDebugContinuousLoop(interval, options.text, options.username, options.color);
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return;
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}
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const samples = this._getSampleComments();
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for (let i = 0; i < count; i++) {
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setTimeout(() => {
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if (this._destroyed || !this._enabled) return;
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const sample = samples[i % samples.length];
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const text = options.text ? `${options.text} #${i + 1}` : `${sample.text} #${i + 1}`;
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const user = options.username || sample.username;
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const col = options.color || sample.color;
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this.fire(text, user, col);
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}, i * interval);
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}
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}
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destroy() {
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this._destroyed = true;
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this._stopDebugContinuousLoop();
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this.media.removeEventListener('timeupdate', this._bound_onTime);
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this.media.removeEventListener('seeked', this._bound_onSeek);
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this.media.removeEventListener('pause', this._bound_onPause);
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this.media.removeEventListener('play', this._bound_onPlay);
|
|
if (this._bound_onEmojis) window.removeEventListener('f0ck:emojis_ready', this._bound_onEmojis);
|
|
if (this._bound_onTuningChange) window.removeEventListener('f0ck:danmaku_tuning_changed', this._bound_onTuningChange);
|
|
if (this._laneGuidesTimer) clearInterval(this._laneGuidesTimer);
|
|
if (this._hudTimer) clearInterval(this._hudTimer);
|
|
if (this._rufflePoller) clearInterval(this._rufflePoller);
|
|
if (this._flashTimer) clearTimeout(this._flashTimer);
|
|
if (this._synthClock) this._synthClock.destroy();
|
|
if (this.overlay && this.overlay.parentNode) this.overlay.parentNode.removeChild(this.overlay);
|
|
this.overlay = null;
|
|
}
|
|
|
|
// ── Private ───────────────────────────────────────────────────────────────
|
|
|
|
_createOverlay() {
|
|
this.overlay = document.createElement('div');
|
|
this.overlay.className = 'danmaku-overlay';
|
|
if (!this._enabled) this.overlay.style.display = 'none';
|
|
this.player.appendChild(this.overlay);
|
|
}
|
|
|
|
_applyTuning() {
|
|
if (!this.overlay) return;
|
|
const cfg = window.danmakuTuning || DEFAULT_DANMAKU_TUNING;
|
|
|
|
this.overlay.style.setProperty('--danmaku-font-size', (cfg.fontSize || 35) + 'px');
|
|
this.overlay.style.setProperty('--danmaku-opacity', cfg.opacity !== undefined ? cfg.opacity : 1);
|
|
this.overlay.style.setProperty('--danmaku-font-weight', cfg.fontWeight || 700);
|
|
this.overlay.style.setProperty('--danmaku-color', Number(cfg.useCustomColor) === 1 ? (cfg.customColor || '#ffffff') : '#ffffff');
|
|
this.overlay.style.setProperty('--danmaku-media-max-h', (cfg.mediaMaxHeight || 80) + 'px');
|
|
|
|
this.overlay.classList.toggle('danmaku-bg-glass', Number(cfg.pillBackground) === 1);
|
|
this.overlay.classList.toggle('danmaku-bg-capsule', Number(cfg.pillBackground) === 2);
|
|
|
|
this.overlay.classList.toggle('danmaku-glow-none', Number(cfg.outlineStyle) === 0);
|
|
this.overlay.classList.toggle('danmaku-glow-subtle', Number(cfg.outlineStyle) === 1);
|
|
this.overlay.classList.toggle('danmaku-glow-neon', Number(cfg.outlineStyle) === 3);
|
|
|
|
this.overlay.classList.toggle('danmaku-no-greentext', Number(cfg.showGreentext) === 0);
|
|
|
|
const targetLanes = Math.max(2, Math.min(30, Number(cfg.laneCount) || 10));
|
|
if (this._laneUntil.length !== targetLanes) {
|
|
const old = this._laneUntil;
|
|
this._laneUntil = new Array(targetLanes).fill(0);
|
|
for (let i = 0; i < Math.min(old.length, targetLanes); i++) {
|
|
this._laneUntil[i] = old[i];
|
|
}
|
|
}
|
|
|
|
this._updateLaneGuides();
|
|
this._updateDebugHUD();
|
|
}
|
|
|
|
_updateLaneGuides() {
|
|
if (!this.overlay) return;
|
|
const cfg = window.danmakuTuning || DEFAULT_DANMAKU_TUNING;
|
|
let guides = this.overlay.querySelector('.danmaku-lane-guides-container');
|
|
|
|
if (!cfg.showLaneGuides) {
|
|
if (guides) guides.remove();
|
|
if (this._laneGuidesTimer) {
|
|
clearInterval(this._laneGuidesTimer);
|
|
this._laneGuidesTimer = null;
|
|
}
|
|
return;
|
|
}
|
|
|
|
if (!guides) {
|
|
guides = document.createElement('div');
|
|
guides.className = 'danmaku-lane-guides-container';
|
|
this.overlay.appendChild(guides);
|
|
}
|
|
|
|
const laneCount = this._laneUntil.length || 10;
|
|
const coverage = Math.min(100, Math.max(10, Number(cfg.laneCoverage) || 100)) / 100;
|
|
const laneH = (100 * coverage) / laneCount;
|
|
|
|
let html = '';
|
|
const now = Date.now();
|
|
for (let i = 0; i < laneCount; i++) {
|
|
const topPct = i * laneH;
|
|
const isOccupied = (this._laneUntil[i] || 0) > now;
|
|
const remainingSec = isOccupied ? (((this._laneUntil[i] - now) / 1000).toFixed(1) + 's') : 'FREE';
|
|
html += `
|
|
<div class="danmaku-lane-guide ${isOccupied ? 'occupied' : ''}" style="top: ${topPct}%; height: ${laneH}%;">
|
|
<span class="danmaku-lane-badge">L${i} (${topPct.toFixed(0)}%)</span>
|
|
<span class="danmaku-lane-status">${remainingSec}</span>
|
|
</div>
|
|
`;
|
|
}
|
|
guides.innerHTML = html;
|
|
|
|
if (!this._laneGuidesTimer) {
|
|
this._laneGuidesTimer = setInterval(() => {
|
|
if (this._destroyed || !this.overlay || !window.danmakuTuning?.showLaneGuides) {
|
|
if (this._laneGuidesTimer) clearInterval(this._laneGuidesTimer);
|
|
this._laneGuidesTimer = null;
|
|
return;
|
|
}
|
|
this._updateLaneGuides();
|
|
}, 300);
|
|
}
|
|
}
|
|
|
|
_updateDebugHUD() {
|
|
if (!this.overlay) return;
|
|
const cfg = window.danmakuTuning || DEFAULT_DANMAKU_TUNING;
|
|
let hud = this.overlay.querySelector('.danmaku-debug-hud');
|
|
|
|
if (!cfg.showDebugHUD) {
|
|
if (hud) hud.remove();
|
|
if (this._hudTimer) {
|
|
clearInterval(this._hudTimer);
|
|
this._hudTimer = null;
|
|
}
|
|
return;
|
|
}
|
|
|
|
if (!hud) {
|
|
hud = document.createElement('div');
|
|
hud.className = 'danmaku-debug-hud';
|
|
this.overlay.appendChild(hud);
|
|
}
|
|
|
|
const activePills = this.overlay.querySelectorAll('.danmaku-pill').length;
|
|
const totalItems = this.items.length || (this._flashPool ? this._flashPool.length : 0);
|
|
const firedItems = this.items.filter(i => i.fired).length;
|
|
const curTime = (this.media ? this.media.currentTime : 0).toFixed(1);
|
|
const emojiCount = Object.keys(this._emojiCache || {}).length;
|
|
|
|
hud.innerHTML = `
|
|
<div class="hud-title"><i class="fa-solid fa-bolt"></i> Danmaku Debug HUD</div>
|
|
<div class="hud-row"><span>Active Pills:</span><span class="hud-val accent">${activePills} / ${cfg.densityLimit || 35}</span></div>
|
|
<div class="hud-row"><span>Loaded Comments:</span><span class="hud-val">${totalItems} (fired: ${firedItems})</span></div>
|
|
<div class="hud-row"><span>Clock Time:</span><span class="hud-val">${curTime}s ${this._synthClock ? '(Synth)' : ''}</span></div>
|
|
<div class="hud-row"><span>Lanes:</span><span class="hud-val">${this._laneUntil.length} (${cfg.laneCoverage || 100}%)</span></div>
|
|
<div class="hud-row"><span>Speed Multiplier:</span><span class="hud-val">${cfg.speedMultiplier || 1.0}x</span></div>
|
|
<div class="hud-row"><span>Emoji Cache:</span><span class="hud-val">${emojiCount} emojis</span></div>
|
|
`;
|
|
|
|
if (!this._hudTimer) {
|
|
this._hudTimer = setInterval(() => {
|
|
if (this._destroyed || !this.overlay || !window.danmakuTuning?.showDebugHUD) {
|
|
if (this._hudTimer) clearInterval(this._hudTimer);
|
|
this._hudTimer = null;
|
|
return;
|
|
}
|
|
this._updateDebugHUD();
|
|
}, 250);
|
|
}
|
|
}
|
|
|
|
_onPause() {
|
|
this._paused = true;
|
|
if (this._synthClock) this._synthClock.pause();
|
|
}
|
|
|
|
_onPlay() {
|
|
this._paused = false;
|
|
if (this._synthClock) this._synthClock.resume();
|
|
}
|
|
|
|
_checkRuffleState() {
|
|
const rp = document.querySelector('ruffle-player, ruffle-object');
|
|
if (!rp) return;
|
|
const isPlaying = rp.is_playing !== undefined ? !!rp.is_playing : true;
|
|
if (isPlaying && this._paused) this._onPlay();
|
|
if (!isPlaying && !this._paused) this._onPause();
|
|
}
|
|
|
|
_onTimeUpdate() {
|
|
if (this._paused) return;
|
|
const now = this.media.currentTime;
|
|
if (!this._enabled || this.items.length === 0) { this._lastTime = now; return; }
|
|
|
|
const prev = this._lastTime;
|
|
this._lastTime = now;
|
|
|
|
if (now < prev - 0.5) {
|
|
this._resetFiredState(now);
|
|
return;
|
|
}
|
|
|
|
const from = prev;
|
|
const to = now + LOOKAHEAD_SEC;
|
|
|
|
for (const item of this.items) {
|
|
if (item.fired) continue;
|
|
if (item.video_time < from) { item.fired = true; continue; }
|
|
if (item.video_time > to) break;
|
|
item.fired = true;
|
|
this._spawnPill(item.text, item.username, item.color);
|
|
}
|
|
|
|
if (this._synthClock && this.items.length > 0 && this.items.every(i => i.fired)) {
|
|
this._loopSynth();
|
|
}
|
|
}
|
|
|
|
_loopSynth() {
|
|
this.items.forEach(i => { i.fired = false; });
|
|
this._synthClock.reset();
|
|
this._lastTime = 0;
|
|
}
|
|
|
|
_onSeeked() {
|
|
this._resetFiredState(this.media.currentTime);
|
|
this._lastTime = this.media.currentTime;
|
|
}
|
|
|
|
_resetFiredState(currentTime) {
|
|
for (const item of this.items) {
|
|
item.fired = item.video_time < currentTime - LOOKAHEAD_SEC;
|
|
}
|
|
}
|
|
|
|
_pickLane() {
|
|
const now = Date.now();
|
|
const laneCount = this._laneUntil.length || 10;
|
|
let best = 0;
|
|
let bestFree = this._laneUntil[0] || 0;
|
|
for (let i = 1; i < laneCount; i++) {
|
|
if ((this._laneUntil[i] || 0) < bestFree) {
|
|
bestFree = this._laneUntil[i];
|
|
best = i;
|
|
}
|
|
}
|
|
const cfg = window.danmakuTuning || DEFAULT_DANMAKU_TUNING;
|
|
const speedMult = Math.max(0.2, Number(cfg.speedMultiplier) || 1.0);
|
|
const maxMs = PILL_MAX_MS / speedMult;
|
|
this._laneUntil[best] = now + maxMs;
|
|
return best;
|
|
}
|
|
|
|
_spawnPill(text, username, color) {
|
|
if (!this.overlay || !this._enabled || this._paused) return;
|
|
const cfg = window.danmakuTuning || DEFAULT_DANMAKU_TUNING;
|
|
|
|
const limit = Number(cfg.densityLimit) || 35;
|
|
const currentPills = this.overlay.querySelectorAll('.danmaku-pill');
|
|
if (currentPills.length >= limit) {
|
|
if (currentPills[0]) currentPills[0].remove();
|
|
}
|
|
|
|
const pill = document.createElement('div');
|
|
pill.className = 'danmaku-pill';
|
|
|
|
const lane = this._pickLane();
|
|
const laneCount = this._laneUntil.length || 10;
|
|
const coverage = Math.min(100, Math.max(10, Number(cfg.laneCoverage) || 100)) / 100;
|
|
const laneH = (100 * coverage) / laneCount;
|
|
const topPct = lane * laneH + (laneH * 0.1);
|
|
pill.style.top = topPct + '%';
|
|
|
|
if (Number(cfg.useCustomColor) === 1 && cfg.customColor) {
|
|
pill.style.color = cfg.customColor;
|
|
}
|
|
|
|
const msg = document.createElement('span');
|
|
msg.className = 'dpill-text';
|
|
msg.dataset.rawText = text;
|
|
|
|
const liveCache = (this._emojiCache && Object.keys(this._emojiCache).length > 0)
|
|
? this._emojiCache
|
|
: ((typeof CommentSystem !== 'undefined' && CommentSystem.emojiCache) || null);
|
|
if (liveCache && liveCache !== this._emojiCache) this._emojiCache = liveCache;
|
|
|
|
msg.appendChild(this._renderContent(text));
|
|
|
|
if (!this._emojiCache || Object.keys(this._emojiCache).length === 0) {
|
|
if (!this._pendingPills) this._pendingPills = new Set();
|
|
this._pendingPills.add(msg);
|
|
}
|
|
|
|
pill.appendChild(msg);
|
|
this.overlay.appendChild(pill);
|
|
|
|
const charCount = text.length;
|
|
const speedMult = Math.max(0.2, Number(cfg.speedMultiplier) || 1.0);
|
|
const baseDuration = Math.min(Math.max(5000 + charCount * 25, PILL_MIN_MS), 45_000);
|
|
const duration = baseDuration / speedMult;
|
|
|
|
const overlayW = this.overlay.offsetWidth || window.innerWidth || 1920;
|
|
const contentW = pill.scrollWidth || pill.offsetWidth || 200;
|
|
const startX = overlayW + contentW;
|
|
const endX = -(contentW + 200);
|
|
|
|
const anim = pill.animate(
|
|
[
|
|
{ transform: `translateX(${startX}px)` },
|
|
{ transform: `translateX(${endX}px)` }
|
|
],
|
|
{ duration, easing: 'linear', fill: 'none' }
|
|
);
|
|
|
|
anim.addEventListener('finish', () => {
|
|
if (pill.parentNode) pill.parentNode.removeChild(pill);
|
|
}, { once: true });
|
|
|
|
pill._timeoutId = setTimeout(() => { if (pill.parentNode) pill.parentNode.removeChild(pill); }, duration + 1000);
|
|
}
|
|
|
|
/** Re-render pending pills once emojis are available. */
|
|
_reRenderEmojis() {
|
|
if (!this.overlay) return;
|
|
const pending = this._pendingPills;
|
|
if (pending && pending.size > 0) {
|
|
pending.forEach(msg => {
|
|
if (!msg.parentNode) { pending.delete(msg); return; }
|
|
const raw = msg.dataset.rawText;
|
|
if (!raw) return;
|
|
msg.textContent = '';
|
|
msg.appendChild(this._renderContent(raw));
|
|
});
|
|
pending.clear();
|
|
}
|
|
this.overlay.querySelectorAll('.dpill-text[data-raw-text]').forEach(msg => {
|
|
const raw = msg.dataset.rawText;
|
|
if (!raw) return;
|
|
if (!msg.querySelector('.dpill-emoji')) {
|
|
msg.textContent = '';
|
|
msg.appendChild(this._renderContent(raw));
|
|
}
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Build a DocumentFragment from raw comment text.
|
|
* Handles [spoiler], [blur], :emoji:, and >greentext lines.
|
|
*/
|
|
_renderContent(rawText) {
|
|
if (!rawText) return document.createDocumentFragment();
|
|
|
|
const prepared = this._prepareText(rawText);
|
|
const frag = document.createDocumentFragment();
|
|
const cache = this._emojiCache;
|
|
|
|
const lines = prepared.split('\n').filter(l => l.trim() !== '');
|
|
lines.forEach((line) => {
|
|
const isQuote = /^>\s?/.test(line);
|
|
const text = isQuote ? '> ' + line.replace(/^>\s?/, '') : line;
|
|
|
|
const span = document.createElement('span');
|
|
span.className = isQuote ? 'dpill-greentext' : 'dpill-line';
|
|
this._renderInline(text, span, cache);
|
|
frag.appendChild(span);
|
|
});
|
|
|
|
return frag;
|
|
}
|
|
|
|
/**
|
|
* Renders inline content (spoiler/blur/emoji) into a parent node.
|
|
*/
|
|
_renderInline(text, parent, emojiCache) {
|
|
const combined = /\[spoiler\]([\s\S]*?)\[\/spoiler\]|\[blur\]([\s\S]*?)\[\/blur\]|:([a-z0-9_+\-]+):|\x04([^\x05]+)\x05/gi;
|
|
let lastIndex = 0;
|
|
let match;
|
|
|
|
while ((match = combined.exec(text)) !== null) {
|
|
if (match.index > lastIndex) {
|
|
parent.appendChild(document.createTextNode(text.slice(lastIndex, match.index)));
|
|
}
|
|
|
|
if (match[1] !== undefined) {
|
|
const span = document.createElement('span');
|
|
span.className = 'dpill-spoiler';
|
|
span.title = 'Click to reveal spoiler';
|
|
span.addEventListener('click', (e) => { e.stopPropagation(); span.classList.toggle('revealed'); });
|
|
this._renderInline(match[1], span, emojiCache);
|
|
parent.appendChild(span);
|
|
} else if (match[2] !== undefined) {
|
|
const span = document.createElement('span');
|
|
span.className = 'dpill-blur';
|
|
span.title = 'Click to reveal';
|
|
span.addEventListener('click', (e) => { e.stopPropagation(); span.classList.toggle('revealed'); });
|
|
this._renderInline(match[2], span, emojiCache);
|
|
parent.appendChild(span);
|
|
} else if (match[3]) {
|
|
const code = match[3];
|
|
const url = emojiCache[code];
|
|
if (url) {
|
|
if (url.endsWith('.webm')) {
|
|
const vid = document.createElement('video');
|
|
vid.src = url;
|
|
vid.className = 'dpill-emoji';
|
|
vid.muted = true;
|
|
vid.loop = true;
|
|
vid.autoplay = true;
|
|
vid.playsInline = true;
|
|
vid.play().catch(() => {
|
|
vid.addEventListener('canplay', () => vid.play().catch(() => {}), { once: true });
|
|
});
|
|
parent.appendChild(vid);
|
|
} else {
|
|
const img = document.createElement('img');
|
|
img.src = url;
|
|
img.alt = `:${code}:`;
|
|
img.className = 'dpill-emoji';
|
|
parent.appendChild(img);
|
|
}
|
|
} else {
|
|
parent.appendChild(document.createTextNode(match[0]));
|
|
}
|
|
} else if (match[4]) {
|
|
const mediaUrl = match[4];
|
|
const cleanUrl = mediaUrl.replace(/#gif$/, '');
|
|
const videoExts = /\.(?:mp4|webm|ogv|mov)$/i;
|
|
const audioExts = /\.(?:mp3|ogg|wav|flac|aac|opus|m4a)$/i;
|
|
const cfg = window.danmakuTuning || DEFAULT_DANMAKU_TUNING;
|
|
|
|
if (Number(cfg.allowMediaEmbeds) === 0) {
|
|
const span = document.createElement('span');
|
|
span.className = 'dpill-media-placeholder';
|
|
span.textContent = ' [attachment] ';
|
|
parent.appendChild(span);
|
|
} else if (videoExts.test(cleanUrl)) {
|
|
const vid = document.createElement('video');
|
|
vid.src = cleanUrl;
|
|
vid.className = 'dpill-video';
|
|
vid.muted = true;
|
|
vid.loop = true;
|
|
vid.autoplay = true;
|
|
vid.playsInline = true;
|
|
vid.play().catch(() => { vid.addEventListener('canplay', () => vid.play().catch(() => {}), { once: true }); });
|
|
parent.appendChild(vid);
|
|
} else if (audioExts.test(cleanUrl)) {
|
|
const span = document.createElement('span');
|
|
span.className = 'dpill-audio';
|
|
span.textContent = '🔊 ';
|
|
parent.appendChild(span);
|
|
} else {
|
|
const img = document.createElement('img');
|
|
img.src = cleanUrl;
|
|
img.className = 'dpill-img';
|
|
parent.appendChild(img);
|
|
}
|
|
}
|
|
|
|
lastIndex = match.index + match[0].length;
|
|
}
|
|
|
|
if (lastIndex < text.length) {
|
|
parent.appendChild(document.createTextNode(text.slice(lastIndex)));
|
|
}
|
|
}
|
|
|
|
/** Strips markdown and character limits; preserves > and newlines for _renderContent. */
|
|
_prepareText(text) {
|
|
if (!text) return '';
|
|
|
|
const emojiTokens = [];
|
|
let protected_ = text.replace(/:([a-z0-9_+\-]+):/gi, (match) => {
|
|
emojiTokens.push(match);
|
|
return `\x02${emojiTokens.length - 1}\x03`;
|
|
});
|
|
|
|
const allowedHosts = Array.isArray(window.f0ckAllowedImages) ? window.f0ckAllowedImages : [];
|
|
const siteHost = window.location.hostname;
|
|
const isAllowedImg = (url) => {
|
|
try {
|
|
const h = new URL(url).hostname;
|
|
return h === siteHost || allowedHosts.some(a => h === a || h.endsWith('.' + a));
|
|
} catch { return false; }
|
|
};
|
|
const imgTokenUrls = [];
|
|
protected_ = protected_
|
|
.replace(/\/c\/[a-f0-9]+\.(?:png|jpg|jpeg|gif|webp|svg|avif|mp4|webm|ogv|mov|mp3|ogg|wav|flac|aac|opus|m4a)(?:#gif)?/gi, (url) => {
|
|
imgTokenUrls.push(url);
|
|
return `\x04${imgTokenUrls.length - 1}\x05`;
|
|
})
|
|
.replace(/https?:\/\/(?:(?!https?:\/\/)\S)+\.(?:png|jpg|jpeg|gif|webp|svg|avif)(\?(?:(?!https?:\/\/)\S)*)?/gi, (url) => {
|
|
if (!isAllowedImg(url)) return url;
|
|
imgTokenUrls.push(url);
|
|
return `\x04${imgTokenUrls.length - 1}\x05`;
|
|
})
|
|
.replace(/```[\s\S]*?```/g, '[code]')
|
|
.replace(/`[^`]+`/g, match => match.slice(1, -1))
|
|
.replace(/!\[[^\]]*\]\([^)]+\)/g, '[img]')
|
|
.replace(/\[([^\]]+)\]\([^)]+\)/g, '$1')
|
|
.replace(/^#{1,6}\s+/gm, '')
|
|
.replace(/[*_]{1,3}([^*_]+)[*_]{1,3}/g, '$1')
|
|
.replace(/\r\n?/g, '\n')
|
|
.replace(/\n{3,}/g, '\n\n')
|
|
.trim();
|
|
|
|
return protected_
|
|
.replace(/\x02(\d+)\x03/g, (_, i) => emojiTokens[+i] || '')
|
|
.replace(/\x04(\d+)\x05/g, (_, i) => imgTokenUrls[+i] ? `\x04${imgTokenUrls[+i]}\x05` : '');
|
|
}
|
|
}
|
|
|
|
Danmaku.applyGlobalTuning = function(newCfg) {
|
|
if (newCfg) {
|
|
Object.assign(window.danmakuTuning, newCfg);
|
|
try {
|
|
localStorage.setItem('f0ck_danmaku_tuning', JSON.stringify(window.danmakuTuning));
|
|
} catch (e) {}
|
|
}
|
|
window.dispatchEvent(new CustomEvent('f0ck:danmaku_tuning_changed', { detail: window.danmakuTuning }));
|
|
};
|
|
|
|
window.Danmaku = Danmaku;
|
|
window.SyntheticClock = SyntheticClock;
|
|
|
|
})();
|