Manus Groups Pro

PlayLegend Application Task – Group & Permission System

A high-performance, database-driven group & authorization system for Minecraft servers, built as part of the PlayLegend application process.
Designed with clean architecture, async I/O, and scalability in mind.

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📌 Project Goal

Create a plugin similar to LuckPerms / PermissionsEx that supports:

• Group management
• Player group assignment (temporary & permanent)
• Prefix display in chat & join messages
• Database persistence
• Customizable messages
• Sign-based player info display
• Permission handling (including * wildcard)

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✨ Features

• 🧱 Group System
  • Create, edit, and delete groups in-game
  • Custom group prefixes
• 👤 Player Assignments
  • Permanent & time-limited group assignments
  • Supports complex durations (e.g. 4d 7m 23s)
• 💬 Chat Integration
  • Prefix shown in chat and on join
• 🔄 Live Updates
  • Group changes apply instantly (no relog required)
• 🪧 Sign Support
  • Display player name & rank on signs
• 🗄️ Relational Database Storage
  • All player & group data stored via JDBC
• ⚙️ Customizable Messages
  • Fully configurable language system
• 🔐 Permission System
  • Group-based permissions
  • Wildcard (*) support
  • Works with Bukkit’s hasPermission()

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🧠 Architecture & Design

• Async I/O for database operations
• HikariCP connection pooling
• Cache layers for:
  • Groups
  • Player assignments
  • Prefixes
  • Permissions
• Modular command system
• Clean separation of:
  • Commands
  • Services
  • Caches
  • Database access

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🛠 Tech Stack

• Java 21
• Spigot / Paper API
• MariaDB / MySQL
• HikariCP
• Maven

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📸 Screenshots (Placeholders)

language.yml

Tab list

Dynamic Signs

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🚀 Why This Project Matters

This plugin demonstrates:

• Backend architecture skills
• Async programming
• Database design
• Performance-oriented Minecraft development
• Clean, maintainable code
• Real-world system design

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📄 License

Private / Application Task
All rights reserved by Manuel Franz Gogg.