Ratio Script

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// ==UserScript==
// @name         Ratio Script
// @namespace    http://tampermonkey.net/
// @version      1.1
// @description  join my discord server for updates to the script: https://discord.gg/862cXbhXmh
// @author       Snowfall (_snowyfall_ on Discord)
// @match        https://*diep.io/*
// @grant        unsafeWindow
// @run-at       document-start
// ==/UserScript==

const win = typeof unsafeWindow !== "undefined" ? unsafeWindow : window;
const W = WebAssembly;

const expose = e => {
    try {
        const m = e.memory || Object.values(e).find(x => x instanceof W.Memory);
        if (!m) return;

        const b = m.buffer;

        win.Module = {
            memory: m,
            HEAP8:   new Int8Array(b),
            HEAPU8:  new Uint8Array(b),
            HEAP16:  new Int16Array(b),
            HEAPU16: new Uint16Array(b),
            HEAP32:  new Int32Array(b),
            HEAPU32: new Uint32Array(b),
            HEAPF32: new Float32Array(b),
            HEAPF64: new Float64Array(b),
            ready: true
        };

        win.dispatchEvent(new Event("wasm-ready"));
    } catch (e) {
        console.error(e);
    }
};

const wrap = f => async (...a) => {
    const r = await f(...a);
    const i = r.instance || r;
    expose(i.exports || {});
    return r;
};

W.instantiate = wrap(W.instantiate.bind(W));
if (W.instantiateStreaming) {
    W.instantiateStreaming = wrap(W.instantiateStreaming.bind(W));
}

let visible = true;
document.addEventListener('keydown', (e) => {
    if (e.key.toLowerCase() === 'q') {
        visible = !visible;
        timeEl.style.display = visible ? 'block' : 'none';
    }
});

const screenStates = [
    { name: "home", selector: "#home-screen" },
    { name: "ingame", selector: "#in-game-screen" },
    { name: "deathscreen", selector: "#game-over-screen" }
]

const scorePtr = 146096
const scoreOffset = 100

const current_score = (scorePointer) => {
    let pointer = Module.HEAP32[scorePointer] >> 2
    let scorePtr = (Module.HEAP32[pointer] >> 2) + scoreOffset
    return Module.HEAPF32[scorePtr]
}


const scoreMarks = [ // update these for different score projections
    { score: 20000, reached: false, time: 0, default: "00:00:00", format: "20k" },
    { score: 500000, reached: false, time: 0, default: "00:00:00", format: "500k" },
    { score: 1000000, reached: false, time: 0, default: "00:00:00", format: "1.0m" },
    { score: 2000000, reached: false, time: 0, default: "00:00:00", format: "2.0m" },
]

const projectedTime = (score, time, projectedScore) => { // seconds
    let currentRate = score / time
    currentRate = projectedScore / currentRate
    return currentRate
}

const convert = (score) => { // score to string func
    if (score >= 1000000) {
        return (score / 1000000).toFixed(6) + "m";
    } else if (score >= 1000) {
        return (score / 1000).toFixed(3) + "k";
    } else {
        return score.toString();
    }
};

const ratio = (score, time) => {
    return (score / (time / 60)).toFixed(2)
}

const format = (time) => {
    return new Date(time * 1000).toISOString().substr(11, 8);
};

let start = null
let alive = false
let elapsed

setInterval(() => {
    const current = Math.floor(Date.now() / 1000)
    const score = current_score(scorePtr)
    let currentState = null;

    screenStates.forEach((state) => {
        let x = document.querySelector(state.selector)
        x = Array.from(x.classList)
        if (x.includes("active")) {
            currentState = state.name
        }
    })

    if (currentState == "ingame" && alive == false) {
        start = Math.floor(Date.now() / 1000)

        scoreMarks.forEach((mark) => {
            mark.reached = false
        })

        alive = true
    }

    elapsed = current - start

    if (currentState == "ingame" && alive == true) {
        if (score > 0) {
            scoreMarks.forEach((mark) => {
                if (mark.reached === false) {
                    if (score >= mark.score) {
                        mark.reached = true
                        mark.time = format(elapsed)
                    } else {
                        const projected = projectedTime(score, elapsed, mark.score)
                        mark.time = format(projected)
                    }
                }
            })

            timeEl.textContent = `${format(elapsed)}\n`
            scoreMarks.forEach((mark) => {
                timeEl.textContent += `${mark.format}: ${mark.time}\n`
            })
            timeEl.textContent += `${convert(ratio(score, elapsed))}/min\n`
        } else {
            timeEl.textContent = `${format(elapsed)}\n`
            scoreMarks.forEach((mark) => {
                timeEl.textContent += `${mark.format}: ${mark.default}\n`
            })
            timeEl.textContent += `${convert(ratio(score, elapsed))}/min`
        }
    } else if (currentState == "home" || currentState == "deathscreen") {
        alive = false
    }

    console.log(scoreMarks)
}, 1000)

const timeEl = document.createElement('div');
Object.assign(timeEl.style, {
    position: 'fixed',
    right: '10px',
    top: '60%',
    transform: 'translateY(-50%)',
    color: '#ffffff',
    fontSize: '18px',
    fontFamily: 'Arial, sans-serif',
    pointerEvents: 'none',
    zIndex: '999999',
    whiteSpace: 'pre-line',
    textAlign: 'right',
});
document.body.appendChild(timeEl);