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Today I would like to introduce a new set of tools developed entirely from scratch in Java, designed to simplify and modernize one of the most important tasks for any online server: distributing, updating, and maintaining the game client quickly, securely, and efficiently. The system has been designed to work with Lineage II, Aion, World of Warcraft, or any other project that requires a file distribution and update system, providing a simple solution for both players and administrators. The entire project features a modern dark-mode interface, is completely separated into individual tools, and is distributed as standalone Windows executables (.exe) using Launch4j. 1. GameLauncher: The Player Client GameLauncher is the launcher used by players on their computers. Its goal is to make keeping the game client up to date a completely automatic and transparent process. Smart Updates: Automatically compares local files with the remote server using a manifest file (manifest.json) Hash-Based Integrity: Calculates file hashes to download only new or modified files, saving time and bandwidth. Real-Time Downloads: Detailed progress bar with transfer speed and automatic ZIP package extraction. Standalone: Packaged into a single .exe with Java 17 requirement validation and automatic redirection if the required environment is not installed. Source code: https://gitlab.com/u3games/GameLauncher 2. L2Compiler: The Administrator Tool L2Compiler is the tool designed for server administrators and developers. It allows updates to be prepared and published quickly, automating much of the process that would otherwise have to be performed manually. Mass Packaging: Select the root folder of your development client and automatically generate optimized compressed packages ready for distribution. Automatic Manifest Generation: Instantly generates the manifest.json file with all the required metadata, including file sizes, paths, and hashes, using Gson. Preference Management: Automatically saves the last used paths through java.util.prefs to speed up everyday development tasks. Asynchronous Interface: Background processing through SwingWorker to prevent the interface from freezing during heavy operations. Source code: https://gitlab.com/u3games/GameCompiler A System Designed for Online Servers The idea behind this project is simple: the administrator prepares an update using L2Compiler, and the player receives it automatically through GameLauncher. This allows both tools to work together and provide a simple update workflow: Development Client → L2Compiler → Server → GameLauncher → Updated Client There is no need for players to manually search for files, download patches one by one, or go through complicated installation processes. Although the system was initially designed with projects such as Lineage II, Aion, and World of Warcraft in mind, it is not tied to any specific game. If your project needs to distribute files and keep its clients up to date, it can be easily adapted to fit your needs. Open Source for the Community This project was created by me for the U3Games community, with the goal of providing a modern, simple, and reusable alternative for managing updates across our servers. The source code is publicly available so that other developers can study it, adapt it, improve it, and contribute to the project. Have a Suggestion, Found a Bug, or Want to Contribute? Any suggestions, bug reports, improvements, or contributions are more than welcome. The goal is to continue evolving the project together with the community and turn it into an increasingly complete tool for all kinds of online servers and projects. -
Let's do 1 for share for people? Which one? -
By NeoPacket0041 · Posted
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he did it for me thanks you 😄 some of that bones is broken is some pets or is not exist so is better to buy some from the clientDev: @NevesOma -
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Komnis
i got problem with my registergameserver application. i am trying to open it so i can register my game server and get my hexid but when i double click on registergameserver application nothing happens.
how can i open that application or just register my server?
(if you want a screenshot from my server/login folder, let me know.)
Edited by Komnis20 answers to this question
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