adding easy event canceling

src/main/java/eu/mhsl/craftattack/worldmuseum/Main.java

@@ -18,6 +18,7 @@ import net.minestom.server.MinecraftServer;
 import net.minestom.server.entity.GameMode;
 import net.minestom.server.event.GlobalEventHandler;
 import net.minestom.server.event.inventory.InventoryPreClickEvent;
+import net.minestom.server.event.item.ItemDropEvent;
 import net.minestom.server.event.player.*;
 import net.minestom.server.timer.TaskSchedule;
 
@@ -57,10 +58,19 @@ public class Main {
         globalEventHandler.addListener(PlayerChunkUnloadEvent.class, new ChunkUnloading());
         globalEventHandler.addListener(InventoryPreClickEvent.class, new InventoryClickListener());
         globalEventHandler.addListener(PlayerBlockBreakEvent.class, new BlockBreakListener());
-        globalEventHandler.addListener(PlayerBlockPlaceEvent.class, new BlockPlaceListener());
         globalEventHandler.addListener(PlayerMoveEvent.class, new MovementListener());
+        globalEventHandler.addListener(PlayerBlockPlaceEvent.class, new BlockPlaceListener());
         MinecraftServer.getBlockManager().registerHandler("minecraft:sign", SignHandler::new);
 
+        //canceled Events
+        globalEventHandler.addListener(PlayerSwapItemEvent.class, new EventCancel<>());
+        globalEventHandler.addListener(ItemDropEvent.class, new EventCancel<>());
+
+
+
+
+
+
         //commands
         MinecraftServer.getCommandManager().register(new TeleportCommand());
         MinecraftServer.getCommandManager().register(new GcCommand());
@@ -74,9 +84,9 @@ public class Main {
             event.setSpawningInstance(startworld);
 
             player.setPermissionLevel(4);
-
             player.setRespawnPoint(startworld.getSpawn());
-            player.setGameMode(GameMode.CREATIVE);
+            player.setGameMode(GameMode.SURVIVAL);
+            player.setAllowFlying(true);
             player.getInventory().setItemStack(0, compassManager.getCompass());
             player.getInventory().setItemStack(8, BedManager.getBedItem());
         });

src/main/java/eu/mhsl/craftattack/worldmuseum/listener/EventCancel.java

@@ -0,0 +1,12 @@
+package eu.mhsl.craftattack.worldmuseum.listener;
+
+import net.minestom.server.event.trait.CancellableEvent;
+
+import java.util.function.Consumer;
+
+public class EventCancel<T extends CancellableEvent> implements Consumer<T> {
+    @Override
+    public void accept(T cancellableEvent) {
+        cancellableEvent.setCancelled(true);
+    }
+}