Features

• Easy Installation: Simple one-click installation for modpacks
• Java Management: Automatic detection and installation of appropriate Java versions
• Mod Management: Automatic mod installation and cleanup
• Memory Management: Configurable memory allocation for Minecraft
• Discord Integration: Rich Presence support for Discord
• Multi-Server Support: Manage multiple server configurations
• Microsoft Account Authentication: Full Microsoft account authentication flow
• Automatic Updates: Built-in launcher update system

Getting Started

Prerequisites

• Node.js (LTS recommended)
• npm or yarn
• Git (for development)

Installation

1. Clone the repository:

> git clone https://github.com/HydroTuConnais/HydroLauncher.git
> cd HydroLauncher

2. Install dependencies:

> npm install

Development

To start the application in development mode:

> npm start

Building

To build installers for your current platform:

> npm run dist

To build for specific platforms:

Platform	Command
Windows x64	npm run dist:win
macOS	npm run dist:mac
Linux x64	npm run dist:linux

Configuration

Distribution Index

HydroLauncher uses a distribution index to configure servers, mods, and other settings. This is a JSON file that defines:

• Server configurations
• Required mods and files
• Java requirements
• Discord integration settings
• And more

For detailed information about the distribution index format, see the distro.md documentation.

Java Configuration

The launcher can be configured to use specific Java versions for different Minecraft instances:

• Automatic detection of installed Java versions
• Downloading of appropriate Java versions when needed
• Server-specific Java version requirements

Architecture

HydroLauncher is built with:

• Electron: For cross-platform desktop application support
• Node.js: For backend operations
• HTML/CSS/JavaScript: For the frontend interface

Key components:

• ProcessBuilder: Handles construction of Java processes for Minecraft
• ConfigManager: Manages launcher and game configuration
• DistroAPI: Handles downloading and processing of the distribution index
• AuthManager: Handles Microsoft and Mojang authentication

Contributing

Contributions are welcome! Please feel free to submit a Pull Request.

License

This project is licensed under the MIT License - see the LICENSE.txt file for details.

Acknowledgments

• Based on HeliosLauncher by Daniel Scalzi
• Uses helios-core for core functionality