Fix SmartPlaceListener

BauSystem_Main/src/de/steamwar/bausystem/features/smartplace/SmartPlaceListener.java

@@ -39,6 +39,7 @@ import org.bukkit.event.Listener;
 import org.bukkit.event.block.Action;
 import org.bukkit.event.block.BlockPlaceEvent;
 import org.bukkit.event.player.PlayerInteractEvent;
+import org.bukkit.inventory.ItemStack;
 
 import java.io.OutputStream;
 import java.io.PrintStream;
@@ -100,7 +101,14 @@ public class SmartPlaceListener implements Plain, Listener {
                 if (block.getType().isInteractable() || block.getType() == Material.NOTE_BLOCK) {
                     shouldSneak = true;
                 }
-                if (!CONTAINERS.contains(block.getType())) {
+                if (CONTAINERS.contains(block.getType())) {
+                    ItemStack itemStack = player.getInventory().getItemInMainHand();
+                    if (itemStack.getType() == Material.TNT) {
+                        if (block.getType() == Material.CHEST || block.getType() == Material.BARREL || block.getType().name().endsWith("SHULKER_BOX")) {
+                            shouldSneak = false;
+                        }
+                    }
+                } else {
                     shouldSneak = false;
                 }
                 if (IGNORED.contains(block.getType())) {