src/de/steamwar/bungeecore/listeners/ChatListener.java

@@ -82,27 +82,26 @@ public class ChatListener extends BasicListener {
     }
 
     public static void sendChat(ChatSender sender, Stream<ChatSender> receivers, String format, ChatSender msgReceiver, String message) {
-        String finalMessage = modifyFilter(sender, message);
-        if(finalMessage == null)
-            return;
-
         SteamwarUser user = sender.user();
+        final String coloredMessage = (user.getUserGroup() != UserGroup.Member || coloredTeams.contains(user.getTeam())) ? ChatColor.translateAlternateColorCodes('&', message) : message;
+        if(chatFilter(sender, coloredMessage))
+            return;
 
         AtomicBoolean noReceiver = new AtomicBoolean(true);
         receivers.filter(ChatSender::chatShown).forEach(player -> {
             if(sender.user().getId() != player.user().getId())
                 noReceiver.set(false);
-            chatToReciever(player, msgReceiver, user, format, finalMessage);
+            chatToReciever(player, msgReceiver, user, format, coloredMessage);
         });
 
-        chatToReciever(ChatSender.console(), msgReceiver, user, format, finalMessage);
+        chatToReciever(ChatSender.console(), msgReceiver, user, format, coloredMessage);
 
         if(format.equals("CHAT_GLOBAL")) {
             if (SteamwarDiscordBot.instance() != null)
-                chatToReciever(ChatSender.discordChannel(SteamwarDiscordBot.instance().getIngameChatListener()), msgReceiver, user, format, finalMessage);
+                chatToReciever(ChatSender.discordChannel(SteamwarDiscordBot.instance().getIngameChatListener()), msgReceiver, user, format, coloredMessage);
         } else if (format.equals("CHAT_SERVERTEAM")) {
             if (SteamwarDiscordBot.instance() != null)
-                chatToReciever(ChatSender.discordChannel(SteamwarDiscordBot.instance().getServerTeamChatListener()), msgReceiver, user, format, finalMessage);
+                chatToReciever(ChatSender.discordChannel(SteamwarDiscordBot.instance().getServerTeamChatListener()), msgReceiver, user, format, coloredMessage);
         } else if (noReceiver.get()) {
             sender.system("CHAT_NO_RECEIVER");
         }
@@ -119,40 +118,40 @@ public class ChatListener extends BasicListener {
 
         if(ChatListener.filteredCommand(player, message))
             return;
-        if(!message.startsWith("/")) {
-            message = modifyFilter(sender, message);
-            if(message == null)
-                return;
-        }
+
+        if(!message.startsWith("/") && chatFilter(sender, message))
+            return;
 
         Chat19.chat(player, message);
     }
 
-    private static String modifyFilter(ChatSender sender, String message) {
+    private static boolean chatFilter(ChatSender sender, String message) {
         if(!sender.chatShown()) {
             sender.system("CHAT_RECEIVE");
-            return null;
+            return true;
+        }
+
+        if(message.replace("§[a-f0-9klmno]", "").trim().isEmpty()) {
+            sender.system("CHAT_EMPTY");
+            return true;
         }
 
         SteamwarUser user = sender.user();
         UserGroup group = user.getUserGroup();
         if(!group.isTeamGroup() && (message.contains("http:") || message.contains("https:") || message.contains("www."))){
             sender.system("CHAT_NO_LINKS");
-            return null;
+            return true;
         }
 
         if (user.isPunishedWithMessage(sender, Punishment.PunishmentType.Mute))
-            return null;
-
-        if(group != UserGroup.Member || coloredTeams.contains(user.getTeam()))
-            message = ChatColor.translateAlternateColorCodes('&', message);
+            return true;
 
         if (message.contains("LIXFEL"))
             specialAlert(sender, "Lixfel", "CHAT_LIXFEL_", 3, 6, 11, 12, 15);
         if (message.contains("YOYONOW"))
             specialAlert(sender, "YoyoNow", "CHAT_YOYONOW_", 3, 6, 11, 12);
 
-        return message;
+        return false;
     }
 
     private static void chatToReciever(ChatSender receiver, ChatSender msgReceiver, SteamwarUser sender, String format, String message) {

src/de/steamwar/messages/BungeeCore.properties

@@ -521,6 +521,7 @@ CHAT_RECEIVE=§cTo be able to send chat messages, you must also receive them!
 CHAT_NO_LINKS=§cYou may not send links.
 CHAT_BC_USAGE=§8/§7bc §8[§emessage§8]
 CHAT_NO_RECEIVER=§cNobody receives your message
+CHAT_EMPTY=§cDon't write meaningless empty messages.
 
 CHAT_SERVERTEAM=§8STC §e{0}§8» §f{2}
 CHAT_GLOBAL={3}{4}{5}{6}{0}§8» {7}{2}

src/de/steamwar/messages/BungeeCore_de.properties

@@ -500,6 +500,7 @@ CHAT_RECEIVE=§cUm Chatnachrichten versenden zu können, musst du auch welche em
 CHAT_NO_LINKS=§cDu darfst keine Links versenden.
 CHAT_BC_USAGE=§8/§7bc §8[§eNachricht§8]
 CHAT_NO_RECEIVER=§cNiemand empfängt deine Nachricht
+CHAT_EMPTY=§cSchreibe keine inhaltslosen Nachrichten.
 
 CHAT_SERVERTEAM=§8STC §e{0}§8» §f{2}
 CHAT_GLOBAL={3}{4}{5}{6}{0}§8» {7}{2}