Merge pull request 'Improve join performance' (#143) from asyncClipboardLoading into master

Reviewed-by: YoyoNow <jwsteam@nidido.de>

BauSystem_Main/src/de/steamwar/bausystem/world/ClipboardListener.java

@@ -19,8 +19,10 @@
 
 package de.steamwar.bausystem.world;
 
+import de.steamwar.bausystem.BauSystem;
 import de.steamwar.sql.Schematic;
 import de.steamwar.sql.SchematicType;
+import org.bukkit.Bukkit;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
 import org.bukkit.event.player.PlayerJoinEvent;
@@ -34,6 +36,7 @@ public class ClipboardListener implements Listener {
 
     @EventHandler
     public void onLogin(PlayerJoinEvent e){
+        Bukkit.getScheduler().runTaskAsynchronously(BauSystem.getPlugin(), () -> {
             try {
                 Schematic schematic = Schematic.getSchemFromDB(CLIPBOARD_SCHEMNAME, e.getPlayer().getUniqueId());
                 if(schematic != null){
@@ -42,6 +45,7 @@ public class ClipboardListener implements Listener {
             } catch (Exception ex) {
                 //ignore cause players do all kind of stuff with schematics.... like massively oversized schems
             }
+        });
     }
 
     @EventHandler