FightSystem_Core/src/de/steamwar/fightsystem/listener/DenyInventoryMovement.java

@@ -27,6 +27,7 @@ import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
 import org.bukkit.event.inventory.InventoryClickEvent;
 import org.bukkit.event.inventory.InventoryDragEvent;
+import org.bukkit.event.player.PlayerPickupItemEvent;
 
 public class DenyInventoryMovement implements Listener {
 
@@ -48,4 +49,9 @@ public class DenyInventoryMovement implements Listener {
         if(!PersonalKitCreator.inKitCreator(event.getWhoClicked()))
             event.setCancelled(true);
     }
+
+    @EventHandler
+    public void onItemPickup(PlayerPickupItemEvent event) {
+        event.setCancelled(true);
+    }
 }

FightSystem_Core/src/de/steamwar/fightsystem/listener/Permanent.java

@@ -40,6 +40,7 @@ import org.bukkit.event.Listener;
 import org.bukkit.event.block.BlockBreakEvent;
 import org.bukkit.event.block.BlockDispenseEvent;
 import org.bukkit.event.block.BlockFromToEvent;
+import org.bukkit.event.entity.EntityExplodeEvent;
 import org.bukkit.event.entity.FoodLevelChangeEvent;
 import org.bukkit.event.entity.PlayerDeathEvent;
 import org.bukkit.event.entity.SpawnerSpawnEvent;
@@ -178,6 +179,18 @@ public class Permanent implements Listener {
         }
     }
 
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    public void onExplosion(EntityExplodeEvent e) {
+        e.blockList().removeIf(block -> {
+            if(block.getType() == Material.TNT) {
+                return false;
+            } else {
+                block.setType(Material.AIR);
+                return true;
+            }
+        });
+    }
+
     @EventHandler
     public void onWorldLoad(WorldLoadEvent e) {
         if(!Config.ArenaLeaveable)