mirror of
https://github.com/a-b-street/abstreet.git
synced 2024-12-01 02:33:54 +03:00
56 lines
1.9 KiB
HTML
56 lines
1.9 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8">
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<script type="module">
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import { default as init } from './game.js';
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function prettyPrintBytes(bytes) {
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if (bytes < 1024 ** 2) {
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return Math.round(bytes / 1024) + " KB";
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}
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return Math.round(bytes / 1024 ** 2) + " MB";
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}
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async function run() {
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const t0 = performance.now();
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console.log("Started loading WASM");
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let response = await fetch('./game_bg.wasm');
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const contentLength = response.headers.get('Content-Length');
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const reader = response.body.getReader();
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let receivedLength = 0;
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let chunks = [];
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while (true) {
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const {done, value} = await reader.read();
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if (done) {
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break;
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}
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chunks.push(value);
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receivedLength += value.length;
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document.getElementById("progress_text").innerText = prettyPrintBytes(receivedLength) + " / " + prettyPrintBytes(contentLength);
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document.getElementById("progress_bar").style.width = (100.0 * receivedLength / contentLength) + "%";
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}
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document.getElementById("progress_text").innerText = "Loaded " + prettyPrintBytes(contentLength) + ", now initializing WASM module";
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let blob = new Blob(chunks);
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let buffer = await blob.arrayBuffer();
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const t1 = performance.now();
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console.log(`It took ${t1 - t0} ms to download WASM, now initializing it`);
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await init(buffer);
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}
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run();
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</script>
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</head>
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<body style="background-color:black;">
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<div id="loading" style="padding-top: 40px; color: white; text-align: center; font-family: arial; font-size: 200%;">
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<h1>Loading A/B Street...</h1>
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<div style="width: 100%; background-color: white;">
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<div style="width: 1%; height: 30px; background-color: red;" id="progress_bar"></div>
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</div>
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<div id="progress_text"></div>
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<p>If you think something has broken, check your browser's developer console (Ctrl+Shift+I or similar)</p>
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<p>(Your browser must support WebGL and WebAssembly)</p>
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</div>
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</body>
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<html>
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