IGG-Games HD Thumbnails

Replaces low-res thumbnails with high-res background images

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        IGG-Games HD Thumbnails
// @namespace   github.com/GreenMan36
// @version     1.0.1
// @description Replaces low-res thumbnails with high-res background images
// @author      GreenMan36
// @license     MIT
// @match       https://igg-games.com/
// @match       https://igg-games.com/page/*
// @grant       GM_addStyle
// @grant       GM_getValue
// @grant       GM_setValue
// @grant       GM_registerMenuCommand
// @run-at      document-idle
// ==/UserScript==

(function() {
    'use strict';

    // Default configuration
    const DEFAULTS = {
        borderRadius: 12,
        aspectRatioMode: 'dynamic',
        backgroundSize: 'cover',
        backgroundColor: '#1a1a1a',
    };

    // Load configuration
    const CONFIG = {
        borderRadius: GM_getValue('borderRadius', DEFAULTS.borderRadius),
        aspectRatioMode: GM_getValue('aspectRatioMode', DEFAULTS.aspectRatioMode),
        backgroundSize: GM_getValue('backgroundSize', DEFAULTS.backgroundSize),
        backgroundColor: GM_getValue('backgroundColor', DEFAULTS.backgroundColor),
    };

    // Aspect ratio presets (as CSS strings)
    const ASPECT_RATIOS = {
        'dynamic': null,
        '16:9': '16 / 9',
        '4:3': '4 / 3',
        '1:1': '1 / 1',
        '21:9': '21 / 9',
    };

    // =====================
    // MENU COMMANDS
    // =====================

    GM_registerMenuCommand(`🔘 Border Radius: ${CONFIG.borderRadius}px`, () => {
        const newValue = prompt('Enter border radius in pixels (0-50):', CONFIG.borderRadius);
        if (newValue !== null) {
            const parsed = parseInt(newValue, 10);
            if (!isNaN(parsed) && parsed >= 0 && parsed <= 50) {
                GM_setValue('borderRadius', parsed);
                location.reload();
            } else {
                alert('Please enter a number between 0 and 50');
            }
        }
    });

    GM_registerMenuCommand(`📐 Aspect Ratio: ${CONFIG.aspectRatioMode}`, () => {
        const options = Object.keys(ASPECT_RATIOS);
        const currentIndex = options.indexOf(CONFIG.aspectRatioMode);
        const nextIndex = (currentIndex + 1) % options.length;
        GM_setValue('aspectRatioMode', options[nextIndex]);
        location.reload();
    });

    GM_registerMenuCommand(`🖼️ Background Size: ${CONFIG.backgroundSize}`, () => {
        const newValue = CONFIG.backgroundSize === 'cover' ? 'contain' : 'cover';
        GM_setValue('backgroundSize', newValue);
        location.reload();
    });

    GM_registerMenuCommand(`🎨 Background Color: ${CONFIG.backgroundColor}`, () => {
        const newValue = prompt('Enter background color (hex or name):', CONFIG.backgroundColor);
        if (newValue !== null && newValue.trim()) {
            GM_setValue('backgroundColor', newValue.trim());
            location.reload();
        }
    });

    GM_registerMenuCommand('🔄 Reset to Defaults', () => {
        if (confirm('Reset all settings to defaults?')) {
            Object.keys(DEFAULTS).forEach(key => GM_setValue(key, DEFAULTS[key]));
            location.reload();
        }
    });

    // =====================
    // STYLES
    // =====================

    GM_addStyle(`
        article.uk-article div[property="image"] {
            border-radius: ${CONFIG.borderRadius}px;
            overflow: hidden;
            background-color: ${CONFIG.backgroundColor};
        }

        article.uk-article div[property="image"].hd-loaded {
            height: auto !important;
        }

        article.uk-article div[property="image"].hd-loaded a {
            opacity: 0;
            display: block;
            width: 100%;
        }

        article.uk-article div[property="image"].hd-loaded img {
            width: 100%;
            height: auto;
            visibility: hidden;
        }
    `);

    // =====================
    // THUMBNAIL UPGRADE
    // =====================

    function applyBackgroundStyles(imageContainer, hdUrl, aspectRatio) {
        imageContainer.style.backgroundImage = `url("${hdUrl}")`;
        imageContainer.style.backgroundPosition = 'center';
        imageContainer.style.backgroundSize = CONFIG.backgroundSize;
        imageContainer.style.backgroundRepeat = 'no-repeat';
        imageContainer.style.aspectRatio = aspectRatio;

        const link = imageContainer.querySelector('a');
        if (link) {
            link.style.aspectRatio = aspectRatio;
        }

        imageContainer.classList.add('hd-loaded');
    }

    function processArticle(article) {
        const imageContainer = article.querySelector('div[property="image"]');
        if (!imageContainer) return;

        if (imageContainer.dataset.hdUpgraded) return;
        imageContainer.dataset.hdUpgraded = 'true';

        const metaUrl = imageContainer.querySelector('meta[property="url"]');
        if (!metaUrl || !metaUrl.content) return;

        const hdUrl = metaUrl.content.replace(/-210x210\.jpg$/, '.jpg');
        const fixedRatio = ASPECT_RATIOS[CONFIG.aspectRatioMode];

        if (fixedRatio !== null) {
            // Fixed aspect ratio - apply immediately
            applyBackgroundStyles(imageContainer, hdUrl, fixedRatio);
        } else {
            // Dynamic - need to load HD image to get dimensions
            // Apply a temporary ratio while loading
            applyBackgroundStyles(imageContainer, hdUrl, '1 / 1');

            const hdImage = new Image();
            hdImage.onload = () => {
                const ratio = `${hdImage.naturalWidth} / ${hdImage.naturalHeight}`;
                imageContainer.style.aspectRatio = ratio;
                const link = imageContainer.querySelector('a');
                if (link) {
                    link.style.aspectRatio = ratio;
                }
            };
            hdImage.onerror = () => {
                console.warn('Failed to load HD image:', hdUrl);
            };
            hdImage.src = hdUrl;
        }
    }

    function upgradeArticleThumbnails() {
        const articles = document.querySelectorAll('article.uk-article');
        articles.forEach(processArticle);
    }

    // =====================
    // INTERSECTION OBSERVER (for lazy loading)
    // =====================

    const intersectionObserver = new IntersectionObserver((entries) => {
        entries.forEach(entry => {
            if (entry.isIntersecting) {
                const article = entry.target;
                processArticle(article);
                intersectionObserver.unobserve(article);
            }
        });
    }, {
        rootMargin: '200px', // Start loading 200px before entering viewport
    });

    function observeArticles() {
        const articles = document.querySelectorAll('article.uk-article:not([data-hd-observed])');
        articles.forEach(article => {
            article.dataset.hdObserved = 'true';
            intersectionObserver.observe(article);
        });
    }

    // =====================
    // INITIALIZATION
    // =====================

    // Process visible articles immediately
    upgradeArticleThumbnails();

    // Observe all articles for lazy loading
    observeArticles();

    // Watch for dynamically added content
    const mutationObserver = new MutationObserver((mutations) => {
        let hasNewArticles = false;
        mutations.forEach(mutation => {
            mutation.addedNodes.forEach(node => {
                if (node.nodeType === 1 && (node.matches?.('article') || node.querySelector?.('article'))) {
                    hasNewArticles = true;
                }
            });
        });
        if (hasNewArticles) {
            observeArticles();
        }
    });

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