Mare Background

Plaster lewd mares onto your YouTube webpage!

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

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

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==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
    });
})();