Mare Background

Plaster lewd mares onto your YouTube webpage!

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Mare Background
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  Plaster lewd mares onto your YouTube webpage!
// @author       Hoover
// @match        *://*.youtube.com/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=youtube.com
// @grant        none
// @license      MIT
// @run-at       document-end
// ==/UserScript==

(function () {
    'use strict';
    const bgSources = [
        "https://cdn.twibooru.org/img/2022/7/26/2759442/full.png",
        "https://cdn.twibooru.org/img/2023/1/24/2877508/full.png",
        "https://cdn.twibooru.org/img/2024/5/25/3235753/full.png",
        "https://derpicdn.net/img/view/2019/10/23/2176935.png",
        "https://derpicdn.net/img/view/2017/2/20/1368546.png",
        "https://derpicdn.net/img/view/2017/1/30/1351451.png",
        "https://derpicdn.net/img/view/2016/12/8/1312441.png",
        "https://derpicdn.net/img/view/2018/6/18/1760892.png",
        "https://derpicdn.net/img/view/2017/11/15/1587154.png",
        "https://derpicdn.net/img/view/2018/3/14/1679745.png",
        "https://derpicdn.net/img/view/2017/4/11/1409508.png",
        "https://derpicdn.net/img/view/2016/10/26/1282218.png",
        "https://derpicdn.net/img/view/2016/12/13/1316825.png",
        "https://derpicdn.net/img/view/2015/6/23/922414.png",
        "https://derpicdn.net/img/view/2017/2/3/1354205.png",
        "https://derpicdn.net/img/view/2015/11/24/1029455.png",
        "https://derpicdn.net/img/view/2021/6/14/2635297.jpg",
        "https://derpicdn.net/img/view/2018/10/12/1854739.jpg",
        "https://derpicdn.net/img/view/2022/5/1/2856366.jpg",
        "https://derpicdn.net/img/view/2022/12/25/3014192.jpg",
        "https://derpicdn.net/img/view/2018/3/7/1673755.png",
        "https://derpicdn.net/img/view/2022/3/14/2825493.png",
        "https://derpicdn.net/img/view/2019/8/29/2130837.png",
        "https://derpicdn.net/img/view/2017/8/17/1513227.png",
        "https://derpicdn.net/img/view/2019/10/15/2169752.png",
        "https://derpicdn.net/img/view/2015/12/26/1052887.png",
        "https://derpicdn.net/img/view/2021/12/20/2768601.png",
        "https://derpicdn.net/img/view/2018/10/5/1848263.png"
    ]

    function getRandomImageUrl(images) {
        const randomIndex = Math.floor(Math.random() * images.length);
        return images[randomIndex];
    }

    // Select only one image from the array every load
    let bgImage = getRandomImageUrl(bgSources);

    function applyBackground() {
        var primaryElement = document.getElementById('content');
        if (primaryElement) {
            primaryElement.style.backgroundImage = `url(${bgImage})`;
            primaryElement.style.backgroundAttachment = 'fixed';
            primaryElement.style.backgroundSize = 'cover';
            primaryElement.style.backgroundRepeat = 'no-repeat';
            primaryElement.style.backgroundPosition = 'center';
        }
    }

    function applyTransparency(divName) {
        var divElem = document.getElementById(divName);
        if (divElem) {
            divElem.style.opacity = 0.9;
        }
    }

    function applyTransparentElems() {
        applyTransparency('guide');
        applyTransparency('chips-wrapper');
    }

    // Function to remove elements by class name
    function removeElementsByID(id) {
        var element = document.getElementById(id);
        if (element) {
            element.parentNode.removeChild(element);
        }
    }


    // Initial removal on page load
    removeElementsByID('cinematics-container');

    applyTransparentElems();

    // Check for the element every 500ms until it is found
    var checkExist = setInterval(function () {
        if (document.getElementById('content')) {
            applyBackground();
            clearInterval(checkExist);
            removeElementsByID('cinematics-container');
        }
    }, 500);

    // Additionally, listen for page changes and reapply the background
    var observer = new MutationObserver(function (mutations) {
        mutations.forEach(function (mutation) {
            if (mutation.addedNodes.length) {
                applyBackground();
                applyTransparentElems()
                removeElementsByID('cinematics-container');
            }
        });
    });

    observer.observe(document.body, {
        childList: true,
        subtree: true
    });
})();