Arcaea Online Enhancer

Show the rating of each play and the average rating on the Arcaea Online page.

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         Arcaea Online Enhancer
// @namespace    https://github.com/saicaca
// @version      1.1.0
// @description  Show the rating of each play and the average rating on the Arcaea Online page.
// @author       saicaca
// @match        https://arcaea.lowiro.com/*
// @homepageURL  https://github.com/saicaca/arcaea-online-enhancer
// @grant        GM_addStyle
// @license      MIT
// ==/UserScript==

(function() {
    'use strict';

    const queryAPI = '/score/rating/me';

    const originalOpen = XMLHttpRequest.prototype.open;
    const originalSend = XMLHttpRequest.prototype.send;
    XMLHttpRequest.prototype.open = function(method, url, ...rest) {
        this._url = url;
        return originalOpen.call(this, method, url, ...rest);
    };
    XMLHttpRequest.prototype.send = function(...args) {
        this.addEventListener('load', function() {
            if (this._url.includes(queryAPI)) {
                const data = JSON.parse(this.responseText);
                modify(data);
            }
        });
        return originalSend.apply(this, args);
    };

    function modify(data) {
        const cardListEl = document.querySelector('.card-list');
        const cardEls = Array.from(cardListEl.children).filter(child =>
            child.classList.contains('card')
        );

        // Calculate the average rating of the best 30 scores and the best recent scores

        const best30Scores = data.value.best_rated_scores;
        const bestRecentScores = data.value.recent_rated_scores;

        const best30Avg = best30Scores.length === 0 ? 0 : best30Scores.reduce((sum, score) => sum + score.rating, 0) / best30Scores.length;
        const bestRecentAvg = bestRecentScores.length === 0 ? 0 : bestRecentScores.reduce((sum, score) => sum + score.rating, 0) / bestRecentScores.length;

        cardListEl.querySelector('.line-dark').insertAdjacentHTML('afterend', `
            <div class="aoe-info-card">
            <div>
                <div>Best 30 Avg.</div>
                <div class="aoe-rating-text">${best30Avg.toFixed(3)}</div>
            </div>
            <span>
                <div>Best Recent Avg.</div>
                <div class="aoe-rating-text">${bestRecentAvg.toFixed(3)}</div>
            </span>
            </div>
        `);

        // Add the rating of each play and chart constants

        const scores = [...best30Scores, ...bestRecentScores];

        for (let i= 0; i < scores.length; i++) {
            let card = cardEls[i];
            const section1 = card.querySelector('.section-1');
            if (section1) {
                section1.insertAdjacentHTML('afterbegin', `
                    <div class="aoe-rating-text">${scores[i].rating.toFixed(3)}</div>
                `);
            }

            const section2 = card.querySelector('.section-2');
            if (section2) {
                let chartConst = 0;
                if (scores[i].score >= 9800000) {
                    chartConst = (scores[i].rating - 1 - (scores[i].score - 9800000) / 200000).toFixed(1);
                } else {
                    chartConst = (scores[i].rating - (scores[i].score - 9500000) / 300000).toFixed(1);
                }

                const constColor = chartConst >= 11 ? '#FF9500' :
                    chartConst >= 10 ? '#E12A55' :
                    chartConst >= 9 ? '#882299' :
                    chartConst >= 8 ? '#2BB36B' :
                        '#1082BE';

                section2.insertAdjacentHTML('beforeend', `
                    <div class="aoe-constant-text" style="color: ${constColor}">${chartConst}</div>
                `);
            }
        }
    }
})();

GM_addStyle(`
    .aoe-info-card {
        display: flex;
        justify-content: center;
        align-items: center;
        gap: 24px;
        font-family: Titillium Web;
        font-size: 14px;
    }
    .aoe-rating-text {
        font-weight: bold;
        margin-bottom: 4px;
        font-family: Titillium Web;
        color: #882299;
        background: linear-gradient(to bottom, #882299, #5566AA);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        font-size: 18px;
    }
    .card .section-2 {
        flex-direction: column;
        gap: 4px;
        align-items: center !important;
    }
    .aoe-constant-text {
        font-family: Titillium Web;
        font-weight: bold;
        font-size: 18px;
    }
`);