Files
intercept/static/js/modes/meteor.js
Smittix 845629ea46 feat: enhance Meteor Scatter with sidebar fixes and visual effects
Move SDR Device below mode title, add sidebar Start/Stop buttons,
and add starfield canvas, meteor streak animations, particle bursts,
signal strength meter, and enhanced ping flash effects.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-03-02 21:04:35 +00:00

872 lines
30 KiB
JavaScript

/**
* Meteor Scatter Monitor — IIFE module
*
* WebSocket for binary waterfall frames, SSE for detection events/stats.
* Renders spectrum, waterfall, timeline, and an event table.
* Enhanced with starfield, meteor streak animations, particle bursts, and signal meter.
*/
const MeteorScatter = (function () {
'use strict';
// ── State ──
let _active = false;
let _running = false;
let _ws = null;
let _sse = null;
// Canvas refs
let _specCanvas = null, _specCtx = null;
let _wfCanvas = null, _wfCtx = null;
let _tlCanvas = null, _tlCtx = null;
let _starCanvas = null, _starCtx = null;
// Data
let _events = [];
let _stats = {};
let _timelineBins = new Array(60).fill(0); // pings per minute, last 60 min
let _timelineBinStart = 0;
// Config (read from sidebar controls)
let _startFreqMhz = 0;
let _endFreqMhz = 0;
let _fftSize = 1024;
// Colour LUT (turbo palette)
const _lut = _buildTurboLUT();
// Starfield state
let _stars = [];
let _meteors = [];
let _starAnimId = null;
// Signal meter state
let _peakSignal = 0;
let _peakDecay = 0;
// ── Public API ──
function init() {
_active = true;
_specCanvas = document.getElementById('meteorSpectrumCanvas');
_wfCanvas = document.getElementById('meteorWaterfallCanvas');
_tlCanvas = document.getElementById('meteorTimelineCanvas');
if (_specCanvas) _specCtx = _specCanvas.getContext('2d');
if (_wfCanvas) _wfCtx = _wfCanvas.getContext('2d');
if (_tlCanvas) _tlCtx = _tlCanvas.getContext('2d');
_resizeCanvases();
window.addEventListener('resize', _resizeCanvases);
// Wire up headline bar start/stop buttons
const startBtn = document.getElementById('meteorStartBtn');
const stopBtn = document.getElementById('meteorStopBtn');
if (startBtn) startBtn.addEventListener('click', start);
if (stopBtn) stopBtn.addEventListener('click', stop);
// Wire up sidebar start/stop buttons
const sidebarStart = document.getElementById('meteorSidebarStartBtn');
const sidebarStop = document.getElementById('meteorSidebarStopBtn');
if (sidebarStart) sidebarStart.addEventListener('click', start);
if (sidebarStop) sidebarStop.addEventListener('click', stop);
// Init starfield canvas
_initStarfield();
// Init signal meter
_initSignalMeter();
_renderEmptyState();
}
function destroy() {
_active = false;
stop();
window.removeEventListener('resize', _resizeCanvases);
_destroyStarfield();
_specCanvas = _wfCanvas = _tlCanvas = null;
_specCtx = _wfCtx = _tlCtx = null;
}
function start() {
if (_running) stop();
const freq = parseFloat(document.getElementById('meteorFrequency')?.value) || 143.05;
const gain = parseFloat(document.getElementById('meteorGain')?.value) || 0;
const sampleRate = parseInt(document.getElementById('meteorSampleRate')?.value) || 1024000;
const fftSize = parseInt(document.getElementById('meteorFFTSize')?.value) || 1024;
const fps = parseInt(document.getElementById('meteorFPS')?.value) || 20;
const snrThreshold = parseFloat(document.getElementById('meteorSNRThreshold')?.value) || 6;
const minDuration = parseFloat(document.getElementById('meteorMinDuration')?.value) || 50;
const cooldown = parseFloat(document.getElementById('meteorCooldown')?.value) || 200;
const freqDrift = parseFloat(document.getElementById('meteorFreqDrift')?.value) || 500;
// Read from shared SDR device panel
const device = parseInt(document.getElementById('deviceSelect')?.value || '0', 10);
const sdrType = document.getElementById('sdrTypeSelect')?.value || 'rtlsdr';
const biasT = (typeof getBiasTEnabled === 'function') ? getBiasTEnabled() : false;
// Check device availability before starting
if (typeof checkDeviceAvailability === 'function' && !checkDeviceAvailability('meteor')) {
return;
}
_fftSize = fftSize;
_events = [];
_stats = {};
const proto = location.protocol === 'https:' ? 'wss:' : 'ws:';
const wsUrl = `${proto}//${location.host}/ws/meteor`;
try {
_ws = new WebSocket(wsUrl);
_ws.binaryType = 'arraybuffer';
} catch (e) {
console.error('Meteor WS connect failed:', e);
return;
}
_ws.onopen = function () {
_running = true;
_updateUI();
_ws.send(JSON.stringify({
cmd: 'start',
frequency_mhz: freq,
gain: gain === 0 ? 'auto' : gain,
sample_rate: sampleRate,
fft_size: fftSize,
fps: fps,
device: device,
sdr_type: sdrType,
bias_t: biasT,
snr_threshold: snrThreshold,
min_duration_ms: minDuration,
cooldown_ms: cooldown,
freq_drift_tolerance_hz: freqDrift,
}));
// Reserve device in shared tracking
if (typeof reserveDevice === 'function') {
reserveDevice(device, 'meteor', sdrType);
}
};
_ws.onmessage = function (evt) {
if (evt.data instanceof ArrayBuffer) {
_onBinaryFrame(evt.data);
} else {
try {
const msg = JSON.parse(evt.data);
_onJsonMessage(msg);
} catch (e) { /* ignore */ }
}
};
_ws.onclose = function () {
_running = false;
if (typeof releaseDevice === 'function') releaseDevice('meteor');
_updateUI();
};
_ws.onerror = function () {
_running = false;
if (typeof releaseDevice === 'function') releaseDevice('meteor');
_updateUI();
};
// Start SSE for events/stats
_startSSE();
}
function stop() {
if (_ws && _ws.readyState === WebSocket.OPEN) {
try { _ws.send(JSON.stringify({ cmd: 'stop' })); } catch (e) { /* */ }
}
if (_ws) {
try { _ws.close(); } catch (e) { /* */ }
_ws = null;
}
_stopSSE();
_running = false;
if (typeof releaseDevice === 'function') releaseDevice('meteor');
_updateUI();
}
function exportCSV() {
_downloadExport('csv');
}
function exportJSON() {
_downloadExport('json');
}
function clearEvents() {
fetch('/meteor/events/clear', { method: 'POST' })
.then(r => r.json())
.then(() => {
_events = [];
_renderEvents();
})
.catch(e => console.error('Clear events failed:', e));
}
// ── SSE ──
function _startSSE() {
_stopSSE();
_sse = new EventSource('/meteor/stream');
_sse.onmessage = function (evt) {
try {
const data = JSON.parse(evt.data);
if (data.type === 'event') {
_events.unshift(data.event);
if (_events.length > 500) _events.length = 500;
_renderEvents();
_addToTimeline(data.event);
_onDetection(data.event);
} else if (data.type === 'stats') {
_stats = data;
_renderStats();
}
} catch (e) { /* ignore */ }
};
}
function _stopSSE() {
if (_sse) {
_sse.close();
_sse = null;
}
}
// ── Binary Frame Handling ──
function _parseFrame(buf) {
if (!buf || buf.byteLength < 11) return null;
const view = new DataView(buf);
if (view.getUint8(0) !== 0x01) return null;
const startMhz = view.getFloat32(1, true);
const endMhz = view.getFloat32(5, true);
const numBins = view.getUint16(9, true);
if (buf.byteLength < 11 + numBins) return null;
const bins = new Uint8Array(buf, 11, numBins);
return { numBins, bins, startMhz, endMhz };
}
function _onBinaryFrame(buf) {
const frame = _parseFrame(buf);
if (!frame) return;
_startFreqMhz = frame.startMhz;
_endFreqMhz = frame.endMhz;
_drawSpectrum(frame.bins);
_scrollWaterfall(frame.bins);
_updateSignalMeter(frame.bins);
}
function _onJsonMessage(msg) {
if (msg.status === 'started') {
_startFreqMhz = msg.start_freq || 0;
_endFreqMhz = msg.end_freq || 0;
_fftSize = msg.fft_size || _fftSize;
_running = true;
_hideEmptyState();
_updateUI();
} else if (msg.status === 'stopped') {
_running = false;
_updateUI();
} else if (msg.status === 'error') {
console.error('Meteor error:', msg.message);
_running = false;
_updateUI();
} else if (msg.type === 'detection') {
// Inline detection via WS — handled by SSE primarily
}
}
// ── Canvas Drawing ──
function _resizeCanvases() {
[_specCanvas, _wfCanvas, _tlCanvas].forEach(function (c) {
if (!c) return;
const rect = c.parentElement.getBoundingClientRect();
const dpr = window.devicePixelRatio || 1;
c.width = Math.round(rect.width * dpr);
c.height = Math.round(rect.height * dpr);
});
_resizeStarfield();
}
function _drawSpectrum(bins) {
const ctx = _specCtx;
const canvas = _specCanvas;
if (!ctx || !canvas) return;
const w = canvas.width;
const h = canvas.height;
ctx.clearRect(0, 0, w, h);
// Background
ctx.fillStyle = 'rgba(3, 7, 15, 0.9)';
ctx.fillRect(0, 0, w, h);
// Draw noise floor line
const nf = _stats.current_noise_floor;
if (nf !== undefined) {
const nfY = h - ((nf + 100) / 100) * h; // rough mapping
ctx.strokeStyle = 'rgba(255, 100, 100, 0.3)';
ctx.setLineDash([4, 4]);
ctx.beginPath();
ctx.moveTo(0, nfY);
ctx.lineTo(w, nfY);
ctx.stroke();
ctx.setLineDash([]);
}
// Draw spectrum line
const n = bins.length;
if (n === 0) return;
const xStep = w / n;
ctx.strokeStyle = 'rgba(107, 255, 184, 0.8)';
ctx.lineWidth = 1;
ctx.beginPath();
for (let i = 0; i < n; i++) {
const x = i * xStep;
const y = h - (bins[i] / 255) * h;
if (i === 0) ctx.moveTo(x, y);
else ctx.lineTo(x, y);
}
ctx.stroke();
// Fill under curve
ctx.lineTo(w, h);
ctx.lineTo(0, h);
ctx.closePath();
ctx.fillStyle = 'rgba(107, 255, 184, 0.08)';
ctx.fill();
}
function _scrollWaterfall(bins) {
const ctx = _wfCtx;
const canvas = _wfCanvas;
if (!ctx || !canvas) return;
const w = canvas.width;
const h = canvas.height;
// Scroll existing content down by 1 pixel
const existing = ctx.getImageData(0, 0, w, h - 1);
ctx.putImageData(existing, 0, 1);
// Draw new top row
const row = ctx.createImageData(w, 1);
const data = row.data;
const n = bins.length;
for (let x = 0; x < w; x++) {
const binIdx = Math.floor((x / w) * n);
const val = Math.min(255, Math.max(0, bins[binIdx] || 0));
const lutOff = val * 3;
const px = x * 4;
data[px] = _lut[lutOff];
data[px + 1] = _lut[lutOff + 1];
data[px + 2] = _lut[lutOff + 2];
data[px + 3] = 255;
}
ctx.putImageData(row, 0, 0);
}
function _drawTimeline() {
const ctx = _tlCtx;
const canvas = _tlCanvas;
if (!ctx || !canvas) return;
const w = canvas.width;
const h = canvas.height;
ctx.clearRect(0, 0, w, h);
ctx.fillStyle = 'rgba(3, 7, 15, 0.9)';
ctx.fillRect(0, 0, w, h);
const bins = _timelineBins;
const maxVal = Math.max(1, ...bins);
const barWidth = w / bins.length;
const padding = 4;
for (let i = 0; i < bins.length; i++) {
const val = bins[i];
if (val === 0) continue;
const barH = ((val / maxVal) * (h - padding * 2));
const x = i * barWidth + 1;
const y = h - padding - barH;
ctx.fillStyle = val > maxVal * 0.7
? 'rgba(107, 255, 184, 0.8)'
: val > maxVal * 0.3
? 'rgba(107, 255, 184, 0.5)'
: 'rgba(107, 255, 184, 0.25)';
ctx.fillRect(x, y, Math.max(1, barWidth - 2), barH);
}
// Label
ctx.fillStyle = 'rgba(255,255,255,0.3)';
ctx.font = '9px monospace';
ctx.fillText('PINGS/MIN (60 MIN)', 8, 12);
}
// ── Timeline Binning ──
function _addToTimeline(event) {
const now = Math.floor(Date.now() / 60000); // current minute
if (_timelineBinStart === 0) _timelineBinStart = now - 59;
const binIdx = now - _timelineBinStart;
if (binIdx >= _timelineBins.length) {
// Shift bins
const shift = binIdx - _timelineBins.length + 1;
_timelineBins = _timelineBins.slice(shift).concat(new Array(shift).fill(0));
_timelineBinStart += shift;
}
const idx = now - _timelineBinStart;
if (idx >= 0 && idx < _timelineBins.length) {
_timelineBins[idx]++;
}
_drawTimeline();
}
// ── Detection Handler (visual effects) ──
function _onDetection(event) {
const snr = event.snr_db || 6;
// 1. Enhanced ping flash (border pulse + stats glow)
_flashPing(snr);
// 2. Meteor streak on starfield
_spawnMeteorStreak(snr);
// 3. Particle burst near spectrum area
_spawnParticleBurst(snr);
// 4. Bounce the total pings counter
_bouncePingCounter();
}
// ── Starfield + Meteor Streaks ──
function _initStarfield() {
const wfWrap = document.querySelector('.ms-waterfall-wrap');
if (!wfWrap) return;
_starCanvas = document.createElement('canvas');
_starCanvas.className = 'ms-starfield-canvas';
wfWrap.insertBefore(_starCanvas, wfWrap.firstChild);
_starCtx = _starCanvas.getContext('2d');
_resizeStarfield();
_generateStars();
_starAnimLoop();
}
function _destroyStarfield() {
if (_starAnimId) {
cancelAnimationFrame(_starAnimId);
_starAnimId = null;
}
if (_starCanvas && _starCanvas.parentNode) {
_starCanvas.parentNode.removeChild(_starCanvas);
}
_starCanvas = null;
_starCtx = null;
_stars = [];
_meteors = [];
}
function _resizeStarfield() {
if (!_starCanvas || !_starCanvas.parentElement) return;
const rect = _starCanvas.parentElement.getBoundingClientRect();
const dpr = window.devicePixelRatio || 1;
_starCanvas.width = Math.round(rect.width * dpr);
_starCanvas.height = Math.round(rect.height * dpr);
_generateStars();
}
function _generateStars() {
if (!_starCanvas) return;
_stars = [];
const count = Math.floor((_starCanvas.width * _starCanvas.height) / 3000);
for (let i = 0; i < count; i++) {
_stars.push({
x: Math.random() * _starCanvas.width,
y: Math.random() * _starCanvas.height,
r: Math.random() * 1.2 + 0.3,
a: Math.random() * 0.6 + 0.2,
twinkleSpeed: Math.random() * 0.02 + 0.005,
twinklePhase: Math.random() * Math.PI * 2,
});
}
}
function _starAnimLoop() {
if (!_active || !_starCtx || !_starCanvas) return;
const ctx = _starCtx;
const w = _starCanvas.width;
const h = _starCanvas.height;
const now = performance.now() * 0.001;
ctx.clearRect(0, 0, w, h);
// Draw twinkling stars
for (const s of _stars) {
const alpha = s.a + Math.sin(now * s.twinkleSpeed * 60 + s.twinklePhase) * 0.15;
ctx.fillStyle = 'rgba(200, 220, 255, ' + Math.max(0.05, Math.min(1, alpha)) + ')';
ctx.beginPath();
ctx.arc(s.x, s.y, s.r, 0, Math.PI * 2);
ctx.fill();
}
// Draw and update meteor streaks
for (let i = _meteors.length - 1; i >= 0; i--) {
const m = _meteors[i];
const elapsed = now - m.startTime;
const progress = elapsed / m.duration;
if (progress > 1) {
_meteors.splice(i, 1);
continue;
}
const headX = m.x0 + (m.x1 - m.x0) * Math.min(progress * 1.2, 1);
const headY = m.y0 + (m.y1 - m.y0) * Math.min(progress * 1.2, 1);
const tailProgress = Math.max(0, progress - 0.2) / 0.8;
const tailX = m.x0 + (m.x1 - m.x0) * Math.min(tailProgress * 1.2, 1);
const tailY = m.y0 + (m.y1 - m.y0) * Math.min(tailProgress * 1.2, 1);
// Fade out near end
const fadeAlpha = progress > 0.7 ? 1 - (progress - 0.7) / 0.3 : 1;
const alpha = m.brightness * fadeAlpha;
// Meteor trail gradient
const grad = ctx.createLinearGradient(tailX, tailY, headX, headY);
grad.addColorStop(0, 'rgba(107, 255, 184, 0)');
grad.addColorStop(0.5, 'rgba(107, 255, 184, ' + (alpha * 0.4) + ')');
grad.addColorStop(1, 'rgba(200, 255, 230, ' + alpha + ')');
ctx.strokeStyle = grad;
ctx.lineWidth = m.width;
ctx.lineCap = 'round';
ctx.beginPath();
ctx.moveTo(tailX, tailY);
ctx.lineTo(headX, headY);
ctx.stroke();
// Bright head glow
if (progress < 0.85) {
const glowR = m.width * 3;
const glowGrad = ctx.createRadialGradient(headX, headY, 0, headX, headY, glowR);
glowGrad.addColorStop(0, 'rgba(220, 255, 240, ' + (alpha * 0.8) + ')');
glowGrad.addColorStop(1, 'rgba(107, 255, 184, 0)');
ctx.fillStyle = glowGrad;
ctx.beginPath();
ctx.arc(headX, headY, glowR, 0, Math.PI * 2);
ctx.fill();
}
}
_starAnimId = requestAnimationFrame(_starAnimLoop);
}
function _spawnMeteorStreak(snr) {
if (!_starCanvas) return;
const w = _starCanvas.width;
const h = _starCanvas.height;
// Brightness and size proportional to SNR
const norm = Math.min(1, Math.max(0, (snr - 3) / 27)); // 3-30 dB range
const brightness = 0.4 + norm * 0.6;
const streakWidth = 1 + norm * 3;
const duration = 0.4 + norm * 0.8; // 0.4s to 1.2s
// Random start near top edge, streak diagonally
const angle = (Math.random() * 0.6 + 0.3) * Math.PI; // roughly top-to-bottom-left
const length = 80 + norm * 200;
const x0 = Math.random() * w;
const y0 = Math.random() * h * 0.3;
const x1 = x0 + Math.cos(angle) * length;
const y1 = y0 + Math.sin(angle) * length;
_meteors.push({
x0: x0, y0: y0,
x1: x1, y1: y1,
brightness: brightness,
width: streakWidth,
duration: duration,
startTime: performance.now() * 0.001,
});
}
// ── Particle Burst ──
function _spawnParticleBurst(snr) {
const specWrap = document.querySelector('.ms-spectrum-wrap');
if (!specWrap) return;
const norm = Math.min(1, Math.max(0, (snr - 3) / 27));
const count = Math.floor(4 + norm * 8);
const rect = specWrap.getBoundingClientRect();
for (let i = 0; i < count; i++) {
const particle = document.createElement('div');
particle.className = 'ms-particle';
// Position near center-bottom of spectrum
const px = rect.width * (0.3 + Math.random() * 0.4);
const py = rect.height * 0.7;
particle.style.left = px + 'px';
particle.style.top = py + 'px';
// Random direction
const angle = Math.random() * Math.PI * 2;
const dist = 20 + Math.random() * 40 * (0.5 + norm);
particle.style.setProperty('--dx', (Math.cos(angle) * dist) + 'px');
particle.style.setProperty('--dy', (Math.sin(angle) * dist) + 'px');
// Size based on SNR
const size = 2 + Math.random() * 2 * (0.5 + norm);
particle.style.width = size + 'px';
particle.style.height = size + 'px';
specWrap.appendChild(particle);
// Clean up after animation
particle.addEventListener('animationend', function () {
if (particle.parentNode) particle.parentNode.removeChild(particle);
});
}
}
// ── Signal Meter ──
function _initSignalMeter() {
const headlineRight = document.querySelector('.ms-headline-right');
if (!headlineRight || document.getElementById('meteorSignalMeter')) return;
const meter = document.createElement('div');
meter.id = 'meteorSignalMeter';
meter.className = 'ms-signal-meter';
meter.innerHTML =
'<span class="ms-signal-meter-label">SIG</span>' +
'<div class="ms-signal-meter-bars">' +
'<div class="ms-signal-bar" data-idx="0"></div>' +
'<div class="ms-signal-bar" data-idx="1"></div>' +
'<div class="ms-signal-bar" data-idx="2"></div>' +
'<div class="ms-signal-bar" data-idx="3"></div>' +
'<div class="ms-signal-bar" data-idx="4"></div>' +
'<div class="ms-signal-bar" data-idx="5"></div>' +
'<div class="ms-signal-bar" data-idx="6"></div>' +
'<div class="ms-signal-bar" data-idx="7"></div>' +
'</div>';
// Insert before the state tag
headlineRight.insertBefore(meter, headlineRight.firstChild);
}
function _updateSignalMeter(bins) {
if (!bins || bins.length === 0) return;
// Find peak value
let peak = 0;
for (let i = 0; i < bins.length; i++) {
if (bins[i] > peak) peak = bins[i];
}
// Smooth peak with decay
if (peak > _peakSignal) {
_peakSignal = peak;
} else {
_peakSignal = _peakSignal * 0.92 + peak * 0.08;
}
// Separate slow-decay hold for the peak indicator
if (peak > _peakDecay) {
_peakDecay = peak;
} else {
_peakDecay = Math.max(peak, _peakDecay - 1.5);
}
const normalized = _peakSignal / 255;
const bars = document.querySelectorAll('.ms-signal-bar');
const count = bars.length;
for (let i = 0; i < count; i++) {
const threshold = (i + 1) / count;
const active = normalized >= threshold;
const isPeak = Math.abs((_peakDecay / 255) - threshold) < (1 / count);
bars[i].classList.toggle('active', active);
bars[i].classList.toggle('peak', isPeak && !active);
}
}
// ── UI Rendering ──
function _renderStats() {
_setText('meteorStatPingsTotal', _stats.pings_total || 0);
_setText('meteorStatPings10min', _stats.pings_last_10min || 0);
_setText('meteorStatStrongest', (_stats.strongest_snr || 0).toFixed(1) + ' dB');
_setText('meteorStatNoiseFloor', (_stats.current_noise_floor || -100).toFixed(1) + ' dB');
_setText('meteorStatUptime', _formatUptime(_stats.uptime_s || 0));
const stateTag = document.getElementById('meteorStateTag');
if (stateTag) {
const state = _stats.state || 'idle';
stateTag.textContent = state.toUpperCase();
stateTag.className = 'ms-headline-tag ' + state;
}
}
function _renderEvents() {
const tbody = document.getElementById('meteorEventsBody');
if (!tbody) return;
const countEl = document.getElementById('meteorEventsCount');
if (countEl) countEl.textContent = _events.length + ' events';
// Only show last 100 in DOM for performance
const display = _events.slice(0, 100);
let html = '';
for (const e of display) {
const ts = new Date(e.start_ts * 1000);
const timeStr = ts.toLocaleTimeString('en-GB', { hour12: false });
const snrClass = e.snr_db >= 20 ? 'ms-snr-strong' : e.snr_db >= 10 ? 'ms-snr-moderate' : 'ms-snr-weak';
const tagsHtml = (e.tags || []).map(function (t) {
const cls = t === 'strong' ? 'strong' : t === 'moderate' ? 'moderate' : '';
return '<span class="ms-tag ' + cls + '">' + t + '</span>';
}).join('');
html += '<tr>' +
'<td>' + timeStr + '</td>' +
'<td>' + e.duration_ms.toFixed(0) + ' ms</td>' +
'<td class="' + snrClass + '">' + e.snr_db.toFixed(1) + '</td>' +
'<td>' + (e.freq_offset_hz || 0).toFixed(0) + '</td>' +
'<td>' + (e.confidence * 100).toFixed(0) + '%</td>' +
'<td>' + tagsHtml + '</td>' +
'</tr>';
}
tbody.innerHTML = html;
}
function _updateUI() {
const startBtn = document.getElementById('meteorStartBtn');
const stopBtn = document.getElementById('meteorStopBtn');
const statusChip = document.getElementById('meteorStatusChip');
if (startBtn) startBtn.disabled = _running;
if (stopBtn) stopBtn.disabled = !_running;
if (statusChip) {
statusChip.textContent = _running ? 'RUNNING' : 'IDLE';
statusChip.className = 'ms-headline-tag' + (_running ? '' : ' idle');
}
// Sidebar buttons: show/hide like other modes
const sidebarStart = document.getElementById('meteorSidebarStartBtn');
const sidebarStop = document.getElementById('meteorSidebarStopBtn');
if (sidebarStart) sidebarStart.style.display = _running ? 'none' : '';
if (sidebarStop) sidebarStop.style.display = _running ? '' : 'none';
}
function _flashPing(snr) {
const container = document.getElementById('meteorVisuals');
if (!container) return;
// Enhanced border pulse
container.classList.remove('ms-ping-flash');
void container.offsetWidth;
container.classList.add('ms-ping-flash');
// Stats strip glow
const strip = container.querySelector('.ms-stats-strip');
if (strip) {
strip.classList.remove('ms-stats-glow');
void strip.offsetWidth;
strip.classList.add('ms-stats-glow');
}
}
function _bouncePingCounter() {
const el = document.getElementById('meteorStatPingsTotal');
if (!el) return;
el.classList.remove('ms-counter-bounce');
void el.offsetWidth;
el.classList.add('ms-counter-bounce');
}
function _renderEmptyState() {
const container = document.getElementById('meteorEmptyState');
if (container) container.style.display = 'flex';
}
function _hideEmptyState() {
const container = document.getElementById('meteorEmptyState');
if (container) container.style.display = 'none';
}
function _setText(id, val) {
const el = document.getElementById(id);
if (el) el.textContent = val;
}
function _formatUptime(s) {
if (!s || s < 0) return '0:00';
const h = Math.floor(s / 3600);
const m = Math.floor((s % 3600) / 60);
const sec = Math.floor(s % 60);
if (h > 0) return h + ':' + String(m).padStart(2, '0') + ':' + String(sec).padStart(2, '0');
return m + ':' + String(sec).padStart(2, '0');
}
// ── Export ──
function _downloadExport(fmt) {
const url = '/meteor/events/export?format=' + fmt;
const a = document.createElement('a');
a.href = url;
a.download = 'meteor_events.' + fmt;
document.body.appendChild(a);
a.click();
document.body.removeChild(a);
}
// ── Turbo LUT ──
function _buildTurboLUT() {
const stops = [
[0, [48, 18, 59]],
[0.25, [65, 182, 196]],
[0.5, [253, 231, 37]],
[0.75, [246, 114, 48]],
[1, [122, 4, 3]]
];
const lut = new Uint8Array(256 * 3);
for (let i = 0; i < 256; i++) {
const t = i / 255;
let s = 0;
while (s < stops.length - 2 && t > stops[s + 1][0]) s++;
const t0 = stops[s][0], t1 = stops[s + 1][0];
const local = t0 === t1 ? 0 : (t - t0) / (t1 - t0);
const c0 = stops[s][1], c1 = stops[s + 1][1];
lut[i * 3] = Math.round(c0[0] + (c1[0] - c0[0]) * local);
lut[i * 3 + 1] = Math.round(c0[1] + (c1[1] - c0[1]) * local);
lut[i * 3 + 2] = Math.round(c0[2] + (c1[2] - c0[2]) * local);
}
return lut;
}
// ── Expose ──
return {
init: init,
destroy: destroy,
start: start,
stop: stop,
exportCSV: exportCSV,
exportJSON: exportJSON,
clearEvents: clearEvents,
};
})();