Add option to disable custom server-full message (#3899)

Co-authored-by: Josh Roy <10731363+JRoy@users.noreply.github.com>

Essentials/src/main/java/com/earth2me/essentials/EssentialsPlayerListener.java

@@ -473,7 +473,9 @@ public class EssentialsPlayerListener implements Listener {
                 event.allow();
                 return;
             }
-            event.disallow(Result.KICK_FULL, tl("serverFull"));
+            if (ess.getSettings().isCustomServerFullMessage()) {
+                event.disallow(Result.KICK_FULL, tl("serverFull"));
+            }
         }
     }
 

Essentials/src/main/java/com/earth2me/essentials/ISettings.java

@@ -285,6 +285,8 @@ public interface ISettings extends IConf {
 
     String getCustomQuitMessage();
 
+    boolean isCustomServerFullMessage();
+
     boolean isNotifyNoNewMail();
 
     boolean isDropItemsIfFull();

Essentials/src/main/java/com/earth2me/essentials/Settings.java

@@ -1276,6 +1276,11 @@ public class Settings implements net.ess3.api.ISettings {
         return isCustomQuitMessage;
     }
 
+    @Override
+    public boolean isCustomServerFullMessage() {
+        return config.getBoolean("use-custom-server-full-message", true);
+    }
+
     @Override
     public int getJoinQuitMessagePlayerCount() {
         return config.getInt("hide-join-quit-messages-above", -1);

Essentials/src/main/resources/config.yml

@@ -500,6 +500,10 @@ allow-silent-join-quit: false
 custom-join-message: "none"
 custom-quit-message: "none"
 
+# Should Essentials override the vanilla "Server Full" message with its own from the language file?
+# Set to false to keep the vanilla message.
+use-custom-server-full-message: true
+
 # You can disable join and quit messages when the player count reaches a certain limit.
 # When the player count is below this number, join/quit messages will always be shown.
 # Set this to -1 to always show join and quit messages regardless of player count.