Crate lighty_launcher 

LightyLauncher - A modern Minecraft launcher library.

use lighty_launcher::prelude::*;

#[tokio::main]
async fn main() -> anyhow::Result<()> {
    AppState::init("MyLauncher")?;
    let mut auth = auth::OfflineAuth::new("Player");
    let profile = auth.authenticate().await?;
    let mut version = version::VersionBuilder::new(
        "my-instance", Loader::Vanilla, "", "1.21.1",
    );
    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 — conditional tracing + filesystem helpers.

prelude

Convenient re-exports of most commonly used types.

version

Version builders for game instances.

Structs

LightyVersionBuilder

Builder for LightyUpdater-managed instances.

UserProfile

User profile returned after successful authentication.

VersionBuilder

Configures a Minecraft instance: name, loader, versions, and on-disk paths.

Enums

JavaDistribution

Available Java distributions

Loader

The supported Minecraft mod loaders.

Traits

Authenticator

Core authentication trait implemented by every provider.

Launch

Extension trait that adds Self::launch to any installable instance.