FightSystem_Core/src/de/steamwar/fightsystem/fight/FreezeWorld.java

@@ -27,6 +27,7 @@ import org.bukkit.event.EventPriority;
 import org.bukkit.event.HandlerList;
 import org.bukkit.event.Listener;
 import org.bukkit.event.block.*;
+import org.bukkit.event.entity.ItemSpawnEvent;
 import org.bukkit.event.inventory.InventoryMoveItemEvent;
 import org.bukkit.event.player.PlayerInteractEvent;
 
@@ -83,6 +84,10 @@ public class FreezeWorld implements Listener {
     public void onBlockExplosion(BlockExplodeEvent e){
         e.setCancelled(true);
     }
+    @EventHandler
+    public void onBlockExplosion(ItemSpawnEvent e){
+        e.setCancelled(true);
+    }
 
     @EventHandler(priority = EventPriority.LOW)
     public void handlePlayerInteract(PlayerInteractEvent event) {

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

@@ -35,6 +35,7 @@ import org.bukkit.event.block.BlockPlaceEvent;
 import org.bukkit.event.entity.EntityExplodeEvent;
 import org.bukkit.event.entity.ProjectileLaunchEvent;
 import org.bukkit.event.hanging.HangingBreakEvent;
+import org.bukkit.event.player.PlayerDropItemEvent;
 import org.bukkit.event.player.PlayerKickEvent;
 
 public class DenyWorldInteraction implements Listener {
@@ -53,6 +54,14 @@ public class DenyWorldInteraction implements Listener {
         }
     }
 
+    @EventHandler
+    public void handleItemDrop(PlayerDropItemEvent event) {
+        Player player = event.getPlayer();
+        if(Fight.fighting(player)) {
+            event.setCancelled(true);
+        }
+    }
+
     @EventHandler
     public void handleHangingBreak(HangingBreakEvent event) {
         if(Config.ArenaRegion.inRegion(event.getEntity().getLocation())) {

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

@@ -137,7 +137,7 @@ public class Permanent implements Listener {
 
     @EventHandler
     public void onDropPickup(EntityPickupItemEvent e) {
-        if(!(e.getEntity() instanceof Player || Config.ArenaRegion.inRegion(e.getItem().getLocation())))
+        if(!(e.getEntity() instanceof Player) || !(Config.ArenaRegion.inRegion(e.getItem().getLocation())))
             return;
         Player player = (Player) e.getEntity();
 
@@ -159,10 +159,14 @@ public class Permanent implements Listener {
 
     @EventHandler(priority = EventPriority.MONITOR)
     public void onExplosion(EntityExplodeEvent e) {
-        for(Block block : e.blockList()) {
-            block.setType(Material.AIR);
-        }
-        e.blockList().clear();
+        e.blockList().removeIf(block -> {
+            if(block.getType() == Material.TNT) {
+                return false;
+            } else {
+                block.setType(Material.AIR);
+                return true;
+            }
+        });
     }
 
     @EventHandler