Rename filter plugin to messaging, add broadcast command.

data/plugins/cmd/filter/plugin.xml

@@ -1,14 +0,0 @@
-<?xml version="1.0"?>
-<plugin>
-  <id>cmd-filter</id>
-  <version>1</version>
-  <name>Filter commandr</name>
-  <description>Adds a command to toggle a server-side message filter, for clients that have not been edited.</description>
-  <authors>
-    <author>Major</author>
-  </authors>
-  <scripts>
-    <script>filter.rb</script>
-  </scripts>
-  <dependencies />
-</plugin>

data/plugins/cmd/messaging/broadcast.rb

@@ -0,0 +1,11 @@
+require_java
+
+java_import 'org.apollo.game.model.World'
+java_import 'org.apollo.game.model.entity.Player'
+
+# Adds a command to broadcast a message to every player on the server.
+on :command, :broadcast, RIGHTS_ADMIN do |player, command|
+  message = command.arguments.to_a.join(" ")
+  broadcast = "[Broadcast] #{player.get_username.capitalize}: #{message}"
+  World.world.player_repository.each { |player| player.send_message(broadcast) }
+end

data/plugins/cmd/messaging/plugin.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0"?>
+<plugin>
+  <id>message</id>
+  <version>1</version>
+  <name>Messaging commands</name>
+  <description>Adds various message-related commands, such as enabling the server-side chat filter or broadcasting a message.</description>
+  <authors>
+    <author>Major</author>
+    <author>xEliqa</author>
+  </authors>
+  <scripts>
+    <script>filter.rb</script>
+    <script>broadcast.rb</script>
+  </scripts>
+  <dependencies />
+</plugin>