Crate lighty_launcher 

LightyLauncher - A modern Minecraft launcher library

This library provides everything needed to build a custom Minecraft launcher:

• Authentication (Offline, Microsoft, Azuriom) + trait-based extensibility
• Java runtime management
• Version metadata handling (Vanilla, Fabric, Quilt, Forge, NeoForge, LightyUpdater)
• Game installation and launching
• Event system for progress tracking

Quick Start

use lighty_launcher::prelude::*;
use directories::ProjectDirs;

#[tokio::main]
async fn main() -> anyhow::Result<()> {
    let launcher_dir = ProjectDirs::from("com", "MyCompany", "MyLauncher")
        .expect("Failed to get project directories");

    // Authenticate
    let mut auth = auth::OfflineAuth::new("Player");
    let profile = auth.authenticate().await?;

    // Build and launch
    let mut version = version::VersionBuilder::new(
        "my-instance",
        Loader::Vanilla,
        "",
        "1.21.1",
        &launcher_dir
    );

    version.launch(&profile, JavaDistribution::Temurin)
        .run()
        .await?;

    Ok(())
}

Modules

auth

Authentication providers and utilities

core

Core utilities and system operations

java

Java runtime management

launch

Game launching and installation

loaders

Minecraft mod loaders and version metadata

macros

Utility macros

prelude

Convenient re-exports of most commonly used types

version

Version builders for game instances

Structs

LightyVersionBuilder

Builder pour LightyUpdater avec une sémantique claire

UserProfile

User profile returned after successful authentication

VersionBuilder

Structure principale pour configurer une version Minecraft avec un loader

Enums

JavaDistribution

Available Java distributions

Loader

Traits

Authenticator

Core authentication trait

Launch