Implemented Essentials config-option vanish-hide-messages

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

@@ -171,11 +171,15 @@ public void onPlayerDeathEvent(final PlayerDeathEvent event) {
             user.setLastLocation();
             user.sendTl("backAfterDeath");
         }
-        if (!ess.getSettings().areDeathMessagesEnabled()) {
+        if (!ess.getSettings().areDeathMessagesEnabled() || isVanishHide(user)) {
             event.setDeathMessage("");
         }
     }
 
+    private boolean isVanishHide(final User user) {
+        return ess.getSettings().isVanishHideMessages() && user.isHidden();
+    }
+
     @EventHandler(priority = EventPriority.LOW)
     public void onPlayerDeathExpEvent(final PlayerDeathEvent event) {
         final User user = ess.getUser(event.getEntity());

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

@@ -294,7 +294,7 @@ public void onPlayerQuit(final PlayerQuitEvent event) {
             ess.getScheduler().cancelTask(pendingId);
         }
 
-        if (hideJoinQuitMessages() || ess.getSettings().allowSilentJoinQuit() && user.isAuthorized("essentials.silentquit")) {
+        if (hideJoinQuitMessages() || ess.getSettings().allowSilentJoinQuit() && user.isAuthorized("essentials.silentquit") || isVanishHide(user)) {
             event.setQuitMessage(null);
         } else if (ess.getSettings().isCustomQuitMessage() && event.getQuitMessage() != null) {
             final Player player = event.getPlayer();
@@ -341,6 +341,10 @@ public void onPlayerQuit(final PlayerQuitEvent event) {
         user.dispose();
     }
 
+    private boolean isVanishHide(final User user) {
+        return ess.getSettings().isVanishHideMessages() && (user.isHidden() || user.isLeavingHidden());
+    }
+
     @SuppressWarnings("UnstableApiUsage")
     private final class JoinListener1_21 implements Listener {
         private final Map<UUID, String> newUserLocales = new ConcurrentHashMap<>();

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

@@ -229,6 +229,8 @@ public interface ISettings extends IConf {
 
     boolean sleepIgnoresVanishedPlayers();
 
+    boolean isVanishHideMessages();
+
     boolean isAfkListName();
 
     String getAfkListName();

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

@@ -1350,6 +1350,11 @@ public boolean sleepIgnoresVanishedPlayers() {
         return config.getBoolean("sleep-ignores-vanished-player", true);
     }
 
+    @Override
+    public boolean isVanishHideMessages() {
+        return config.getBoolean("vanish-hide-messages", false);
+    }
+
     public String _getAfkListName() {
         return FormatUtil.replaceFormat(config.getString("afk-list-name", "none"));
     }

Essentials/src/main/resources/config.yml

@@ -544,6 +544,9 @@ sleep-ignores-afk-players: true
 # Players with the permission 'essentials.sleepingignored' will always be ignored.
 sleep-ignores-vanished-player: true
 
+# Whether quit and death messages from vanished players should be hidden from ingame-chat.
+vanish-hide-messages: false
+
 # Change the player's /list name when they are AFK. This is none by default, which specifies that Essentials
 # should not interfere with the AFK player's /list name.
 # You may use color codes, {USERNAME} for the player's name, or {PLAYER} for the player's display name.