Fix DoubleJumpListener

src/de/steamwar/lobby/listener/DoubleJumpListener.java

@@ -1,6 +1,6 @@
 package de.steamwar.lobby.listener;
 
-import de.steamwar.lobby.utils.LobbyPlayer;
+import org.bukkit.GameMode;
 import org.bukkit.Material;
 import org.bukkit.Sound;
 import org.bukkit.entity.Player;
@@ -25,6 +25,9 @@ public class DoubleJumpListener implements Listener {
     @EventHandler
     public void handlePlayerToggleFlight(PlayerToggleFlightEvent event) {
         Player player = event.getPlayer();
+        if (player.getGameMode() != GameMode.ADVENTURE && player.getGameMode() != GameMode.SURVIVAL) {
+            return;
+        }
 
         event.setCancelled(true);
         player.setAllowFlight(false);
@@ -47,7 +50,9 @@ public class DoubleJumpListener implements Listener {
             return;
 
         player.setAllowFlight(true);
-        player.setFlying(false);
+        if (player.getGameMode() == GameMode.ADVENTURE || player.getGameMode() == GameMode.SURVIVAL) {
+            player.setFlying(false);
+        }
     }