minecraft-java-core
Version:
A library starting minecraft game NW.js and Electron.js
56 lines • 2.32 kB
JavaScript
/**
* @author Luuxis
* Luuxis License v1.0 (voir fichier LICENSE pour les détails en FR/EN)
*/
import os from 'os';
import MinecraftNativeLinuxARM from './Minecraft-Lwjgl-Native.js';
/**
* This class retrieves Minecraft version information from Mojang's
* version manifest, and optionally processes the JSON for ARM-based Linux.
*/
export default class Json {
constructor(options) {
this.options = options;
}
/**
* Fetches the Mojang version manifest, resolves the intended version (release, snapshot, etc.),
* and returns the associated JSON object for that version.
* If the system is Linux ARM, it will run additional processing on the JSON.
*
* @returns An object containing { InfoVersion, json, version }, or an error object.
*/
async GetInfoVersion() {
let { version } = this.options;
// Fetch the version manifest
const response = await fetch(`https://launchermeta.mojang.com/mc/game/version_manifest_v2.json?_t=${new Date().toISOString()}`);
const manifest = await response.json();
// Resolve "latest_release"/"latest_snapshot" shorthands
if (version === 'latest_release' || version === 'r' || version === 'lr') {
version = manifest.latest.release;
}
else if (version === 'latest_snapshot' || version === 's' || version === 'ls') {
version = manifest.latest.snapshot;
}
// Find the matching version info from the manifest
const matchedVersion = manifest.versions.find((v) => v.id === version);
if (!matchedVersion) {
return {
error: true,
message: `Minecraft ${version} is not found.`
};
}
// Fetch the detailed version JSON from Mojang
const jsonResponse = await fetch(matchedVersion.url);
let versionJson = await jsonResponse.json();
// If on Linux ARM, run additional processing
if (os.platform() === 'linux' && os.arch().startsWith('arm')) {
versionJson = await new MinecraftNativeLinuxARM(this.options).ProcessJson(versionJson);
}
return {
InfoVersion: matchedVersion,
json: versionJson,
version
};
}
}
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