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MediaWiki:Common.js

From Doom Relics
Revision as of 23:20, 25 December 2025 by Rbutcher (talk | contribs)

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/* Any JavaScript here will be loaded for all users on every page load. */

// Vector 2022: pin main menu for logged-out users on desktop
if (!mw.config.get('wgUserName') && window.matchMedia('(min-width: 1120px)').matches) {
  const observer = new MutationObserver((_, obs) => {
    if (document.documentElement.classList.contains('vector-animations-ready')) {
      const pin = document.querySelector('[data-event-name="pinnable-header.vector-main-menu.pin"]');
      if (pin) pin.click();
      obs.disconnect();
    }
  });
  observer.observe(document.documentElement, { attributes: true, attributeFilter: ['class'] });
}
// Remove "Main menu" headings/labels injected by Vector/Vector 2022 (works across variants)
(function () {
  function killMainMenuText(root = document) {
    // Look for common heading/label elements
    const candidates = root.querySelectorAll(
      '#vector-main-menu, #vector-main-menu-pinned-container, #mw-panel, nav.vector-main-menu, #vector-main-menu-dropdown'
    );

    candidates.forEach(container => {
      // Remove elements whose visible text is exactly "Main menu"
      container.querySelectorAll('*').forEach(el => {
        const txt = (el.textContent || '').trim();
        if (txt === 'Main menu') {
          el.style.display = 'none';
        }
        // Also catch the longer hint text variants
        if (txt.toLowerCase().includes('main menu has moved here')) {
          el.style.display = 'none';
        }
      });
    });
  }

  // Run now, on load, and after Vector finishes UI init
  killMainMenuText();
  window.addEventListener('load', () => killMainMenuText());

  const obs = new MutationObserver(() => killMainMenuText());
  obs.observe(document.documentElement, { childList: true, subtree: true });
})();
// DOOM ARCHIVES header: inject above your Doom Titles links (guaranteed)
(function () {
  const HEADER_CLASS = 'doom-archives-header';

  function styleHeader(header) {
    header.style.display = 'block';
    header.style.width = '100%';
    header.style.boxSizing = 'border-box';
    header.style.margin = '10px 0 10px';
    header.style.padding = '12px 14px';
    header.style.background = 'rgba(0,0,0,0.75)';
    header.style.border = '1px solid #3a0000';
    header.style.borderRadius = '12px';
    header.style.boxShadow = 'inset 0 0 20px rgba(180,0,0,0.30), 0 0 8px rgba(0,0,0,0.8)';
    header.style.color = '#f5c542';
    header.style.fontWeight = '900';
    header.style.letterSpacing = '0.22em';
    header.style.textTransform = 'uppercase';
    header.style.textAlign = 'center';
    header.style.fontFamily = "'Bebas Neue', Arial, sans-serif";
    header.style.textShadow = '0 0 3px rgba(245,197,66,0.35)';
    header.style.fontSize = '22px';
  }

  function findAnchor() {
    // Use a link you KNOW exists in your sidebar
    return (
      document.querySelector('a[href*="Category:Doom_(1993)"]') ||
      document.querySelector('a[href*="Category:Doom_II"]') ||
      document.querySelector('a[href*="Category:Doom_3"]') ||
      document.querySelector('a[href*="Category:Doom_Eternal"]')
    );
  }

  function ensureHeader() {
    const a = findAnchor();
    if (!a) return;

    // Find the menu content container that holds the link list
    const menuContent =
      a.closest('.vector-menu-content') ||
      a.closest('ul') ||
      a.parentElement;

    if (!menuContent) return;

    // Avoid duplicates
    if (menuContent.querySelector('.' + HEADER_CLASS)) return;

    const header = document.createElement('div');
    header.className = HEADER_CLASS;
    header.textContent = 'DOOM RELICS';
    styleHeader(header);

    // Insert header before the first list item / first link area
    menuContent.insertBefore(header, menuContent.firstChild);
  }

  function run() {
    ensureHeader();
    setTimeout(ensureHeader, 150);
    setTimeout(ensureHeader, 600);
    setTimeout(ensureHeader, 1200);
  }

  // Run now + keep alive if Vector re-renders
  run();
  window.addEventListener('load', run);

  const obs = new MutationObserver(() => ensureHeader());
  obs.observe(document.documentElement, { childList: true, subtree: true });
})();
/* ==================================================
   CACODEMON EVENT — NO FLICKER VERSION
   Trigger: word "cacodemon" anywhere in page text
   Fix: no background-image swapping (2 stacked frames, opacity swap)
   ================================================== */

mw.hook('wikipage.content').add(function () {

  function cacoConditionMet() {
    return /\bcacodemon\b/i.test(document.body.innerText);
  }
  if (!cacoConditionMet()) return;

  if (document.getElementById('doom-fx-layer')) return;

  const IMG_A = '/index.php/Special:FilePath/Cacodemon.png';
  const IMG_B = '/index.php/Special:FilePath/Cacodemon_alt.png';

  const BAND_TOP_MIN = 20;
  const BAND_TOP_MAX = 120;
  const DEMON_W = 120;
  const MOUTH = { x: 88, y: 58 };

  function rand(min, max) { return Math.random() * (max - min) + min; }
  function randi(min, max) { return Math.floor(rand(min, max + 1)); }

  function preload(url){
    return new Promise(resolve => {
      const img = new Image();
      img.onload = () => resolve(true);
      img.onerror = () => resolve(false);
      img.src = url;
    });
  }

  Promise.all([preload(IMG_A), preload(IMG_B)]).then(startEvent);

  function startEvent(){

    const layer = document.createElement('div');
    layer.id = 'doom-fx-layer';
    document.body.appendChild(layer);

    function makeDemon(i){
      // Outer demon container
      const el = document.createElement('div');
      el.className = 'doom-demon';

      // Frame A
      const frameA = document.createElement('div');
      frameA.className = 'doom-frame frame-a';
      frameA.style.backgroundImage = `url("${IMG_A}")`;

      // Frame B
      const frameB = document.createElement('div');
      frameB.className = 'doom-frame frame-b';
      frameB.style.backgroundImage = `url("${IMG_B}")`;

      el.appendChild(frameA);
      el.appendChild(frameB);
      layer.appendChild(el);

      const d = {
        el,
        y: randi(BAND_TOP_MIN, BAND_TOP_MAX),
        x: rand(0, window.innerWidth),
        vx: -rand(14, 30),
        bobPhase: rand(0, Math.PI * 2),
        bobAmp: rand(12, 28),
        bobSpeed: rand(0.6, 1.1),

        pauseUntil: 0,
        lastPauseX: 0,
        minPauseTravel: rand(700, 1400),

        // swap control
        isAlt: false,
        swapAt: performance.now() + rand(1200, 5200),

        shootingBias: i === 0 ? 1.0 : 0.25,
      };

      d.lastPauseX = d.x;
      return d;
    }

    const demons = [makeDemon(0), makeDemon(1), makeDemon(2)];

    function spawnPlasma(d){
      const orb = document.createElement('div');
      orb.className = 'doom-plasma';
      layer.appendChild(orb);

      const startX = d.x + MOUTH.x;
      const startY = d.y + MOUTH.y + Math.sin(d.bobPhase) * d.bobAmp * 0.5;

      const speed = rand(160, 260);
      const lifeMs = rand(1600, 2400);
      const born = performance.now();

      function step(t){
        const age = t - born;
        const x = startX - speed * (age / 1000);
        const y = startY + Math.sin(age / 80) * 2;

        orb.style.left = x + 'px';
        orb.style.top = y + 'px';
        orb.style.opacity = 1 - Math.max(0, (age - lifeMs * 0.7) / (lifeMs * 0.3));

        if (age < lifeMs && x > -60) requestAnimationFrame(step);
        else orb.remove();
      }
      requestAnimationFrame(step);
    }

    let last = performance.now();
    let lastPlasmaTime = 0;
    const PLASMA_COOLDOWN = 60000; // rare

    function tick(now){
      const dt = (now - last) / 1000;
      last = now;

      const w = window.innerWidth;

      for (const d of demons){

        // pause only after traveling far
        if (now > d.pauseUntil){
          const traveled = Math.abs(d.x - d.lastPauseX);
          if (traveled > d.minPauseTravel && Math.random() < 0.0025){
            d.pauseUntil = now + rand(900, 2200);
            d.lastPauseX = d.x;
            d.minPauseTravel = rand(700, 1400);
          }
        }

        // move / bob
        if (now < d.pauseUntil){
          d.bobPhase += dt * d.bobSpeed;
        } else {
          d.x += d.vx * dt;
          d.bobPhase += dt * d.bobSpeed;

          if (d.x < -DEMON_W - 40){
            d.x = w + rand(80, 300);
            d.y = randi(BAND_TOP_MIN, BAND_TOP_MAX);
            d.vx = -rand(14, 30);
            d.bobAmp = rand(12, 28);
            d.bobSpeed = rand(0.6, 1.1);
            d.lastPauseX = d.x;
            d.minPauseTravel = rand(700, 1400);
          }
        }

        // sprite swap (NO FLICKER)
        if (now >= d.swapAt){
          d.isAlt = !d.isAlt;
          d.el.classList.toggle('is-alt', d.isAlt);
          d.swapAt = now + rand(1200, 5200);
        }

        const bobY = Math.sin(d.bobPhase) * d.bobAmp;
        d.el.style.left = d.x + 'px';
        d.el.style.top = (d.y + bobY) + 'px';

        // rare plasma
        if (
          now > d.pauseUntil &&
          now - lastPlasmaTime > PLASMA_COOLDOWN &&
          Math.random() < 0.0002 * d.shootingBias
        ){
          lastPlasmaTime = now;
          spawnPlasma(d);
        }
      }

      requestAnimationFrame(tick);
    }

    requestAnimationFrame(tick);
  }
});
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