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src/main/java/com/night/nullvalkyrie/commands/VanishCommand.java

@@ -0,0 +1,46 @@
+package com.night.nullvalkyrie.commands;
+
+import org.bukkit.Bukkit;
+import org.bukkit.ChatColor;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.UUID;
+
+public class VanishCommand extends Command {
+    private final List<UUID> vanished = new ArrayList<>();
+    public VanishCommand() {
+        super(
+                "vanish",
+                new String[]{},
+                "Turn yourself into invisible",
+                ""
+                );
+    }
+    @Override
+    public void onCommand(CommandSender sender, String[] args) {
+        if(sender instanceof Player) {
+            Player player = (Player) sender;
+            if(vanished.contains(player.getUniqueId())) {
+                vanished.remove(player.getUniqueId());
+                for (Player target : Bukkit.getOnlinePlayers()) {
+                    target.showPlayer(player);
+                }
+                player.sendMessage(ChatColor.GREEN + "You are now seen by people");
+            } else {
+                vanished.add(player.getUniqueId());
+                for (Player target: Bukkit.getOnlinePlayers()){
+                    target.hidePlayer(player);
+                }
+                player.sendMessage(ChatColor.GREEN + "You are now vanished");
+            }
+        }
+    }
+
+    @Override
+    public List<String> onTabComplete(CommandSender sender, String[] args) {
+        return null;
+    }
+}