Wake AFK solo leaders with sound on opponent join

Signed-off-by: Lixfel <agga-games@gmx.de>

FightSystem_Core/src/de/steamwar/fightsystem/FightSystem.java

@@ -32,6 +32,7 @@ import de.steamwar.fightsystem.listener.Shutdown;
 import de.steamwar.fightsystem.listener.*;
 import de.steamwar.fightsystem.record.*;
 import de.steamwar.fightsystem.states.FightState;
+import de.steamwar.fightsystem.states.OneShotStateDependent;
 import de.steamwar.fightsystem.utils.*;
 import de.steamwar.fightsystem.winconditions.*;
 import de.steamwar.message.Message;
@@ -89,6 +90,7 @@ public class FightSystem extends JavaPlugin {
         new ArrowPickup();
         new BlockFadeListener();
         new LeaveableArena();
+        new OneShotStateDependent(ArenaMode.All, FightState.PreSchemSetup, () -> Fight.playSound(SWSound.BLOCK_NOTE_PLING.getSound(), 100.0f, 2.0f));
 
         new EnterHandler();
         new TechHider();