BigBrother for PocketMine-MP 5.x

Allows Minecraft: Java Edition clients to connect to PocketMine-MP servers

⚠️ NOTE: A new project with the same goal, targeting a newer Minecraft version (1.18.2) and much more optimized, is currently in development: XGTJavaBridge.

For more information and updates, join the Discord

⚠️ IMPORTANT DISCLAIMER

This plugin is EXPERIMENTAL and largely NON-FUNCTIONAL.

What DOES NOT work:

• ❌ Chunks/World rendering - You cannot see any blocks
• ❌ Player visibility between Java and Bedrock
• ❌ Player list (TAB) integration
• ❌ Movement synchronization
• ❌ Block interactions
• ❌ Entity management
• ❌ Inventory system
• ❌ Commands from Java client
• ❌ Many, many other features

What partially works:

• ✅ Server appears in Java Edition server list
• ✅ Connection establishment
• ✅ Basic chat (bidirectional between Java and Bedrock)
• ✅ Keep-alive (no timeout)

⚠️ This plugin will likely NOT receive further updates. Use at your own risk.

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History

This is an experimental port of BigBrother for PocketMine-MP 5.x. The original BigBrother plugin was designed for PMMP 3.x.

• Original Authors: shoghicp, BigBrotherTeam
• PocketMine-MP 5.x Port (2026): XGDAVID

Requirements

• PocketMine-MP 5.x
• PHP 8.1+
• ext-pmmpthread
• ext-openssl (for online mode)
• ext-zlib
• ext-sockets

Installation

1. Download or clone this plugin to your plugins folder
2. (Optional) Run composer install in the plugin directory for online mode support
3. Start your PocketMine-MP server
4. Configure plugins/BigBrother/config.yml

Configuration

# Network interface to bind to
interface: "0.0.0.0"

# Port for Java Edition clients (default Minecraft Java port)
port: 25565

# Compression threshold for network packets
network-compression-threshold: 256

# Server description shown in server list
motd: "§bPocketMine-MP Server\n§aUsing BigBrother for Java Edition support"

# Use Mojang authentication (requires phpseclib3)
online-mode: false

# Prefix for Java Edition player names
desktop-prefix: "PC_"

Supported Versions

• Target Minecraft Java Edition: 1.12.2
• Protocol Version: 340
• PocketMine-MP API: 5.0.0+

Files Updated for PM5 (2026 by XGDAVID)

The following core files have been rewritten for PocketMine-MP 5.x:

• BigBrother.php - Main plugin class
• network/ProtocolInterface.php - Network interface implementation
• network/ServerThread.php - Thread handling for Java connections
• network/ServerManager.php - Connection management
• network/Session.php - Individual client sessions
• network/JavaPlayer.php - Java Edition player handler
• network/Packet.php - Base packet class
• network/InboundPacket.php - Client→Server packets
• network/OutboundPacket.php - Server→Client packets
• utils/Binary.php - Binary data utilities
• utils/ConvertUtils.php - Data conversion utilities

Credits

• shoghicp - Original BigBrother creator
• BigBrotherTeam - Maintenance and updates
• XGDAVID - Update for PocketMine-MP 5.x (2026)
• hmy2001, eternalharvest, SuperMaXAleX, caspervanneck, DrewD3V - Original contributors

License

LGPL-3.0

Links

• Original Repository
• PocketMine-MP
• Java Edition Protocol
• XGDAVID GitHub