Holograms

src/main/java/com/night/nullvalkyrie/Main.java

@@ -21,6 +21,7 @@ import org.bukkit.entity.Snowball;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
 import org.bukkit.event.block.Action;
+import org.bukkit.event.entity.EntityInteractEvent;
 import org.bukkit.event.player.PlayerInteractEvent;
 import org.bukkit.event.player.PlayerJoinEvent;
 import org.bukkit.event.server.ServerListPingEvent;
@@ -52,6 +53,7 @@ public final class Main extends JavaPlugin implements Listener {
         getCommand("msg").setExecutor(new MessageCommand());
         getCommand("menu").setExecutor(new MenuCommand());
         getCommand("rank").setExecutor(new RankCommand(this));
+        getCommand("hologram").setExecutor(new HologramCommand());
         bossbar = Bukkit.createBossBar(
                 ChatColor.GOLD + "Kuudra",
                 BarColor.RED,
@@ -130,6 +132,11 @@ public final class Main extends JavaPlugin implements Listener {
         }
 
     }
-
+//    For hologram clicks to change page
+//    @EventHandler
+//    public void onEntityInteract(EntityInteractEvent e) {
+//        System.out.println(e.getEntity().getLocation());
+//        e.getEntity().setCustomName(ChatColor.RED + "Changed name since you ust clicked lol");
+//    }
 
 }

src/main/java/com/night/nullvalkyrie/SideBar/SideBarListener.java

@@ -7,9 +7,7 @@ import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
 import org.bukkit.event.entity.PlayerDeathEvent;
-import org.bukkit.event.player.PlayerChatEvent;
 import org.bukkit.event.player.PlayerJoinEvent;
-import org.bukkit.event.player.PlayerQuitEvent;
 import org.bukkit.scoreboard.*;
 
 import java.util.HashMap;

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

@@ -0,0 +1,35 @@
+package com.night.nullvalkyrie.commands;
+
+import org.bukkit.ChatColor;
+import org.bukkit.Location;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandExecutor;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.ArmorStand;
+import org.bukkit.entity.EntityType;
+import org.bukkit.entity.Player;
+
+public class HologramCommand implements CommandExecutor {
+    @Override
+    public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
+        if(sender instanceof Player) {
+            Player player = (Player) sender;
+            String[] ar = new String[]{
+                    ChatColor.AQUA + "Hi",
+                    ChatColor.DARK_PURPLE + "What",
+                    ChatColor.GOLD + "Hello World"
+            };
+            Location location = player.getLocation();
+            for(String line: ar) {
+                ArmorStand stand = (ArmorStand) player.getWorld().spawnEntity(location.subtract(0,0.3,0), EntityType.ARMOR_STAND);
+                stand.setInvisible(true);
+                stand.setGravity(false);
+                stand.setInvulnerable(true);
+                stand.setCustomNameVisible(true);
+                stand.setCustomName(line);
+            }
+        }
+
+        return false;
+    }
+}

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

@@ -1,5 +1,7 @@
 package com.night.nullvalkyrie.commands;
 
+import com.google.common.cache.Cache;
+import com.google.common.cache.CacheBuilder;
 import com.night.nullvalkyrie.Main;
 import com.night.nullvalkyrie.RankSys.Rank;
 import org.bukkit.Bukkit;
@@ -9,17 +11,22 @@ import org.bukkit.command.Command;
 import org.bukkit.command.CommandExecutor;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
+
+import java.util.UUID;
+import java.util.concurrent.TimeUnit;
+
 //92.0.69.141:25565
 public class RankCommand implements CommandExecutor {
     private Main main;
     public RankCommand(Main main) {
         this.main = main;
     }
+    private Cache<UUID, Long> cooldown = CacheBuilder.newBuilder().expireAfterWrite(5, TimeUnit.SECONDS).build();
     @Override
     public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
         if(sender instanceof Player) {
             Player player = (Player) sender;
-            if(player.isOp()) {
+            if(!cooldown.asMap().containsKey(player.getUniqueId())) {if(player.isOp()) {
                 if(args.length == 2) {
                     if(Bukkit.getOfflinePlayer(args[0]).hasPlayedBefore()) {
                         OfflinePlayer target = Bukkit.getOfflinePlayer(args[0]);
@@ -43,6 +50,11 @@ public class RankCommand implements CommandExecutor {
             } else {
                 player.sendMessage(ChatColor.RED + "You must be server operator to use this command");
             }
+              cooldown.put(player.getUniqueId(), System.currentTimeMillis() + 5000);
+            }  else {
+                long distance = cooldown.asMap().get(player.getUniqueId()) - System.currentTimeMillis();
+                player.sendMessage(ChatColor.RED + "You are on a " + TimeUnit.MILLISECONDS.toSeconds(distance) + " seconds cooldown to use the command again");
+            }
         }
         return false;
     }

src/main/resources/plugin.yml

@@ -19,4 +19,6 @@ commands:
   menu:
     description: "Open the menu"
   rank:
-    description: "Set rank of players"
+    description: "Set rank of players"
+  hologram:
+    description: "Spawn a hologram"