🚀 MC-JS - JavaScript Plugin System for Minecraft

Write Minecraft Server Plugins in JavaScript - No Java Required!

MC-JS is a powerful plugin system that allows you to develop server plugins using modern JavaScript (ES6+) instead of Java. Perfect for developers who already know JavaScript or want to quickly create plugins without having to learn Java.

✨ Key Features

🎯 Core Capabilities

• 📝 Full JavaScript Support - Develop plugins in modern JavaScript using the Rhino Engine
• ⚡ Hot Reload - Reload plugins without server restart (/jsreload)
• 🔧 Complete API Access - Access to virtually all Bukkit/Spigot/Paper API functions
• 🎮 Event System - Register listeners for any Minecraft event with priority support
• 💬 Command System - Create custom commands with full tab completion support
• ⏰ Task Scheduling - Synchronous and asynchronous task scheduling
• 📦 Inventory Management - Create and manage custom GUI menus using standard Bukkit inventories (9-54 slots) with click handlers
• 🗄️ Database Support - Built-in SQLite database operations (INSERT, UPDATE, DELETE, SELECT)
• 🌐 HTTP Requests - Make HTTP GET/POST requests asynchronously
• 🔐 Encryption - MD5, SHA256, Base64 encoding/decoding
• 📁 File I/O - YAML, JSON, and text file support
• 🎨 BossBar Support - Create and manage boss bars with progress tracking
• ⏱️ Cooldown System - Built-in cooldown management per player
• ⚙️ Config System - Per-plugin configuration files (YAML)
• 🌍 World Management - Control weather, time, world border, explosions
• 🎯 Entity Management - Spawn, control, and customize entities
• 🔒 Player Management - Ban, kick, teleport, health, food, gamemode

🛠️ Advanced Features

• 🎨 Particle Effects - Spawn particles with string or enum support
• 🔊 Sound System - Play sounds at locations or for players
• 📊 Scoreboard System - Create and manage scoreboards, teams, objectives
• 📝 Item Manipulation - Create, modify, and manage items with custom names and lore
• 🔒 Permission System - Check and manage player permissions
• 🎨 Color Support - Minecraft color codes and formatting utilities
• 🌐 HTTP Integration - Make external API calls and web requests
• 📊 Economy Integration - Vault economy support for server economies

📦 Installation

Requirements

• Minecraft Server: Paper/Spigot 1.20+ (recommended: Paper)
• Java: Version 21 or higher
• Minecraft Version: 1.20+

Steps

1. Download the latest release from the Releases page
2. Place the JAR file in your server's plugins/ folder
3. Start or restart your server
4. Create JS plugins in plugins/MC-JS/js-plugins/ directory

The plugin will automatically create the js-plugins directory and copy an example plugin on first run.

🚀 Quick Start

Creating Your First Plugin

1. Navigate to plugins/MC-JS/js-plugins/ directory
2. Create a new file with .js extension (e.g., myplugin.js)
3. Add the following code:

var pluginInfo = {
    name: "My First Plugin",
    version: "1.0.0",
    author: "YourName",
    description: "My awesome plugin!"
};

function onEnable() {
    logger.info("My plugin is enabled!");
    
    // Register a command
    api.registerCommand("hello", "Say hello", "/hello", function(sender, args) {
        api.sendMessage(sender, "&aHello from JavaScript!");
        return true;
    });
    
    // Register an event
    api.registerEvent("player.PlayerJoinEvent", function(event) {
        var player = event.getPlayer();
        api.sendMessage(player, "&6Welcome to the server!");
    });
}

function onDisable() {
    logger.info("My plugin is disabled!");
}

this.onEnable = onEnable;
this.onDisable = onDisable;
this.pluginInfo = pluginInfo;

1. Save the file - The plugin will auto-load on server start, or use /jsreload to reload
2. Test your command - Type /hello in-game or in console
3. Check console - Look for "My plugin is enabled!" message

💡 Tip: Use /jslist to see all loaded JavaScript plugins and /jsreload <plugin> to reload a specific plugin.

📚 Available Objects

These objects are automatically available in all JavaScript plugins:

Object	Description	Usage
api	Complete JS API wrapper - main interface for all operations	api.registerCommand(...)
server	Minecraft server instance	server.getOnlinePlayers()
plugin	Main plugin instance	plugin.getName()
logger	Plugin logger	logger.info("Message")
scheduler	Server scheduler	scheduler.runTask(...)
Bukkit	Direct Bukkit API access	Bukkit.getServer()

🎮 Commands

Command	Description	Permission
/jsreload	Reload all JS plugins	mcjs.admin
/jsreload <plugin>	Reload specific plugin	mcjs.admin
/jslist	List all loaded JS plugins	mcjs.admin
/jsconfig	View or reload plugin configuration	mcjs.admin

📖 Documentation

📖 Full Documentation: Visit our complete documentation website for detailed API reference, examples, and guides.

💡 Example Applications

• Welcome Plugins - Greet players with messages, titles, and sounds
• Statistics Systems - Track player statistics with SQLite databases
• Custom GUI Menus - Create interactive menus using standard Bukkit inventories with custom layouts and click handlers
• Mini-Games - Develop simple games with event handling
• Utility Plugins - Create helpful tools and commands
• Integration Plugins - Connect your server with external APIs

🛠️ Technical Details

• JavaScript Engine: Rhino (Mozilla)
• API Version: 1.21
• Compatibility: Paper, Spigot, Bukkit
• License: MIT

🤝 Support

• GitHub: LootingVI/MC-JS
• Issues: GitHub Issues
• Documentation: lootingvi.github.io/MC-JS

📝 License

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

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Made with ❤️ for the Minecraft Community

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