add VanishCommand (untested)

src/main/java/me/freezy/plugins/papermc/blazesmp/BlazeSMP.java

@@ -73,6 +73,7 @@ public final class BlazeSMP extends JavaPlugin {
         new HomeCommand().register();
         new DiscordCommand().register();
         new ReloadCommand().register();
+        new VanishCommand().register();
         this.log.info("Registered Commands!");
 
         this.log.info("Registering EventListeners...");

src/main/java/me/freezy/plugins/papermc/blazesmp/command/VanishCommand.java

@@ -0,0 +1,54 @@
+package me.freezy.plugins.papermc.blazesmp.command;
+
+import me.freezy.plugins.papermc.blazesmp.BlazeSMP;
+import me.freezy.plugins.papermc.blazesmp.command.util.SimpleCommand;
+import me.freezy.plugins.papermc.blazesmp.module.manager.L4M4;
+import net.kyori.adventure.text.minimessage.MiniMessage;
+import org.bukkit.Bukkit;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+import java.util.UUID;
+
+public class VanishCommand extends SimpleCommand {
+    private final Set<UUID> vanishedPlayers = new HashSet<>();
+    private static boolean isvanished = true;
+
+    public VanishCommand() {
+        super("vanish");
+    }
+
+    @Override
+    public boolean onCommand(@NotNull CommandSender sender, @NotNull Command command, @NotNull String label, @NotNull String[] args) {
+        if (!(sender instanceof Player)) {
+            sender.sendMessage("Du bist kein Spieler!");
+            return false;
+        }
+        Player player = (Player) sender;
+        Player online = (Player) Bukkit.getOnlinePlayers();
+
+        if (isvanished) {
+            player.showPlayer(BlazeSMP.getInstance(), online);
+            vanishedPlayers.remove(player.getUniqueId());
+            online.sendMessage(MiniMessage.miniMessage().deserialize(L4M4.get("player.join")));
+        } else {
+            player.hidePlayer(BlazeSMP.getInstance(), online);
+            vanishedPlayers.add(player.getUniqueId());
+            online.sendMessage(MiniMessage.miniMessage().deserialize(L4M4.get("player.left")));
+        }
+
+        isvanished = !isvanished;
+        return true;
+    }
+
+    @Override
+    public @Nullable List<String> onTabComplete(@NotNull CommandSender sender, @NotNull Command command, @NotNull String label, @NotNull String[] args) {
+        return List.of();
+    }
+}

src/main/resources/storage/messages.json

@@ -113,6 +113,7 @@
   "command.blocked": "<red>Unknown or incomplete command, see below for error\n<u>%s</u><i> <--[HERE]</i>",
 
   "player.join": "<gray>[<green>+</green>]</gray> <reset>",
+  "player.left": "<gray>[<red>-</red>]</gray> <reset>",
 
   "pressureplate.teleport": "<red>You need to wait 5 seconds to be teleported.</red>",
 
@@ -125,7 +126,7 @@
   ],
   "tablist.footer": [
       "<aqua>hosted by merged.games</aqua>",
-      "<c:gray>made by BlazeHC Team & Freezy/DaTTV</c>"
+      "<c:gray>made by BlazeGHC Team</c>"
   ],
 
   "storage.locked": "<red>This storage is locked! You need a <yellow>%s</yellow> to open it.</red>",