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3570fe8 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 | // Pre-boot veil: covers everything until the title page's logo and fonts
// are in, so the menu never pops in half-assembled. Light grey spinner,
// centered on the ink.
import { useEffect, useState } from "react";
import Box from "@mui/material/Box";
import { keyframes } from "@mui/material/styles";
import { useGame } from "../store.js";
import { INK } from "../theme.js";
const spin = keyframes`to { transform: rotate(360deg); }`;
export default function Preboot() {
const prebootDone = useGame((s) => s.prebootDone);
const [gone, setGone] = useState(false);
useEffect(() => {
if (!prebootDone) return;
const t = setTimeout(() => setGone(true), 300);
return () => clearTimeout(t);
}, [prebootDone]);
if (gone) return null;
return (
<Box
aria-hidden
sx={{
position: "fixed",
inset: 0,
zIndex: 40,
display: "flex",
alignItems: "center",
justifyContent: "center",
background: INK,
opacity: prebootDone ? 0 : 1,
pointerEvents: prebootDone ? "none" : "auto",
transition: "opacity 0.25s ease",
}}
>
<Box
sx={{
width: 22,
height: 22,
borderRadius: "50%",
border: "2px solid rgba(255, 255, 255, 0.14)",
borderTopColor: "rgba(255, 255, 255, 0.55)",
animation: `${spin} 0.8s linear infinite`,
"@media (prefers-reduced-motion: reduce)": {
animationDuration: "1.6s",
},
}}
/>
</Box>
);
}
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