SpigotCore_Main/src/de/steamwar/core/Core.java

@@ -2,6 +2,7 @@ package de.steamwar.core;
 
 import de.steamwar.core.events.ChattingEvent;
 import de.steamwar.core.events.PlayerJoinedEvent;
+import de.steamwar.scoreboard.SWScoreboard;
 import de.steamwar.sql.SQL;
 import org.bukkit.Bukkit;
 import org.bukkit.plugin.java.JavaPlugin;
@@ -34,6 +35,8 @@ public class Core extends JavaPlugin{
 	public void onEnable() {
 		Bukkit.getPluginManager().registerEvents(new PlayerJoinedEvent(), this);
 		Bukkit.getPluginManager().registerEvents(new ChattingEvent(), this);
+
+		SWScoreboard.startPlayerBoards();
 	}
 
 	@Override

SpigotCore_Main/src/de/steamwar/core/events/PlayerJoinedEvent.java

@@ -1,5 +1,6 @@
 package de.steamwar.core.events;
 
+import de.steamwar.scoreboard.SWScoreboard;
 import de.steamwar.sql.SteamwarUser;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
@@ -51,5 +52,7 @@ public class PlayerJoinedEvent implements Listener{
 		Player player = event.getPlayer();
 
 		event.setQuitMessage("§c§l« §r" + player.getDisplayName());
+
+		SWScoreboard.getPlayerBoards().remove(player);
 	}
 }

SpigotCore_Main/src/de/steamwar/scoreboard/SWScoreboard.java

@@ -3,6 +3,7 @@ package de.steamwar.scoreboard;
 import com.comphenix.protocol.PacketType;
 import com.comphenix.protocol.ProtocolLibrary;
 import com.comphenix.protocol.events.PacketContainer;
+import de.steamwar.core.Core;
 import org.bukkit.Bukkit;
 import org.bukkit.entity.Player;
 
@@ -13,17 +14,15 @@ import java.util.logging.Level;
 
 public class SWScoreboard {
 
-    HashMap<String, Integer> data;
-    private Player player;
-    private String title;
+    private static HashMap<Player, SWScoreboard> playerBoards = new HashMap<>();
 
-    public SWScoreboard(Player player, HashMap<String, Integer> data, String title) {
-        this.data = data;
-        this.player = player;
-        this.title = title;
+    ScoreboardCallback callback;
+
+    public SWScoreboard(Player player, ScoreboardCallback callback) {
+        this.callback = callback;
     }
 
-    public void sendScoreboard() {
+    public void sendScoreboard(Player player) {
         PacketContainer remove = ProtocolLibrary.getProtocolManager().createPacket(PacketType.Play.Server.SCOREBOARD_OBJECTIVE);
         remove.getStrings().write(0, "AAA");
         remove.getBytes().write(0, (byte) 1);
@@ -31,7 +30,7 @@ public class SWScoreboard {
         PacketContainer createpacket = ProtocolLibrary.getProtocolManager().createPacket(PacketType.Play.Server.SCOREBOARD_OBJECTIVE);
         createpacket.getStrings().write(0, "AAA");
         createpacket.getBytes().write(0, (byte) 0);
-        createpacket.getStrings().write(1, this.title);
+        createpacket.getStrings().write(1, this.callback.getTitle());
         createpacket.getIntegers().write(0, 0);
 
         try {
@@ -41,7 +40,7 @@ public class SWScoreboard {
             Bukkit.getLogger().log(Level.SEVERE, "COULD NOT SEND PACKAGE", ex);
         }
 
-        for(Map.Entry<String, Integer> entry : data.entrySet()) {
+        for(Map.Entry<String, Integer> entry : this.callback.getData().entrySet()) {
             PacketContainer update = ProtocolLibrary.getProtocolManager().createPacket(PacketType.Play.Server.SCOREBOARD_SCORE);
             update.getStrings().write(0, entry.getKey());
             update.getBytes().write(0, (byte) 0);
@@ -57,10 +56,10 @@ public class SWScoreboard {
 
     }
 
-    public void display() {
+    public void display(Player player) {
         PacketContainer display = ProtocolLibrary.getProtocolManager().createPacket(PacketType.Play.Server.SCOREBOARD_DISPLAY_OBJECTIVE);
         display.getBytes().write(0, (byte) 1);
-        display.getStrings().write(0, this.title);
+        display.getStrings().write(0, this.callback.getTitle());
 
         try {
             ProtocolLibrary.getProtocolManager().sendServerPacket(player, display);
@@ -69,27 +68,30 @@ public class SWScoreboard {
         }
     }
 
-    public HashMap<String, Integer> getData() {
-        return data;
+    public static void startPlayerBoards() {
+        Bukkit.getScheduler().scheduleSyncRepeatingTask(Core.getInstance(), new Runnable() {
+            @Override
+            public void run() {
+                synchronized (playerBoards) {
+                    for(Map.Entry<Player, SWScoreboard> entry : playerBoards.entrySet()) {
+                        entry.getValue().sendScoreboard(entry.getKey());
+                        entry.getValue().display(entry.getKey());
+                    }
+                }
+            }
+        }, 10, 5);
     }
 
-    public void setData(HashMap<String, Integer> data) {
-        this.data = data;
+
+    public ScoreboardCallback getCallback() {
+        return callback;
     }
 
-    public Player getPlayer() {
-        return player;
+    public void setCallback(ScoreboardCallback callback) {
+        this.callback = callback;
     }
 
-    public void setPlayer(Player player) {
-        this.player = player;
-    }
-
-    public String getTitle() {
-        return title;
-    }
-
-    public void setTitle(String title) {
-        this.title = title;
+    public static HashMap<Player, SWScoreboard> getPlayerBoards() {
+        return playerBoards;
     }
 }

SpigotCore_Main/src/de/steamwar/scoreboard/ScoreboardContainer.java

@@ -1,57 +0,0 @@
-package de.steamwar.scoreboard;
-
-import de.steamwar.core.Core;
-import org.bukkit.Bukkit;
-import org.bukkit.entity.Player;
-
-import java.util.HashMap;
-import java.util.UUID;
-
-public class ScoreboardContainer {
-
-    private static HashMap<UUID, ScoreboardContainer> containers = new HashMap<>();
-
-    Player player;
-    ScoreboardCallback callback;
-
-    public ScoreboardContainer(Player player, ScoreboardCallback callback) {
-        this.player = player;
-        this.callback = callback;
-    }
-
-    public void update() {
-
-        //Update
-        SWScoreboard update = new SWScoreboard(player, callback.getData(), callback.getTitle());
-        update.sendScoreboard();
-        Bukkit.getScheduler().runTaskLater(Core.getInstance(), new Runnable() {
-            @Override
-            public void run() {
-              update.display();
-            }
-        }, 2);
-    }
-
-    public void startScoreboard() {
-        Bukkit.getScheduler().scheduleSyncRepeatingTask(Core.getInstance(), new Runnable() {
-            @Override
-            public void run() {
-                for(ScoreboardContainer container : ScoreboardContainer.getContainers().values()) {
-                    container.update();
-                }
-            }
-        }, 10, 5);
-    }
-
-    public Player getPlayer() {
-        return player;
-    }
-
-    public void setPlayer(Player player) {
-        this.player = player;
-    }
-
-    public static HashMap<UUID, ScoreboardContainer> getContainers() {
-        return containers;
-    }
-}