CrossChat

A Velocity 3.x proxy plugin that routes chat from every backend server into a single global channel, visible to all connected players in real time.

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Features

• Cross-server chat — messages sent on any backend server are broadcast to all players on all (configured) servers
• Fully customisable format — edit config.yml with your own colour codes and placeholders
• & legacy codes and MiniMessage — auto-detected; use whichever style you prefer
• LuckPerms integration — optional; prefixes are pulled automatically if LuckPerms is installed on the proxy
• Server filter — choose which servers participate; exclude lobby-only or mini-game servers
• Toggle on/off without restarting — flip enabled: false and restart the proxy

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Requirements

Requirement	Version
Java	17 or later
Velocity	3.x (tested against 3.4.0)
LuckPerms (optional)	5.x

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Installation

1. Download crosschat-x.x.x.jar
2. Drop it into your Velocity plugins/ folder
3. Restart the proxy — plugins/velocityglobalchat/config.yml is created automatically
4. Edit the config to taste, then restart again

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Configuration

plugins/velocityglobalchat/config.yml

# Enable or disable the plugin entirely
enabled: true

# Chat format — placeholders:
#   {server}  — backend server name (e.g. HUB, SURVIVAL)
#   {player}  — sender's Minecraft username
#   {prefix}  — LuckPerms prefix (empty if LuckPerms is absent)
#   {message} — the chat message (always plain text — injection-safe)
#
# Use & colour codes OR MiniMessage tags — do not mix both.
format: "&8[&b{server}&8] &7{prefix}{player}&f: {message}"

# Servers that participate in global chat.
# Players on servers NOT listed here neither see nor send global messages.
# Leave the list empty to include ALL servers.
servers:
  - hub
  - survival
  - farming

Format examples

Style	Example
Legacy & codes	&8[&b{server}&8] &7{prefix}{player}&f: {message}
MiniMessage	<dark_gray>[<aqua>{server}</aqua>]</dark_gray> <gray>{prefix}{player}</gray><white>: {message}</white>

Note: Player message content is always inserted as plain text regardless of the format style, preventing colour-code injection by players.

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How it works

1. PlayerChatEvent fires on the proxy when a player sends a chat message
2. The handler resolves the player's current backend server via player.getCurrentServer()
3. The format string is rendered using the Adventure API (legacy or MiniMessage)
4. The component is broadcast to all players whose current server is in the configured servers list
5. The original event is denied — the backend server never receives the message, so it is not echoed locally

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Licence

MIT — see LICENSE