Merge pull request 'Fixed Issue #110 Loader bugt bei Strings' (#173) from psilab into master

Reviewed-on: #173
Reviewed-by: YoyoNow <jwsteam@nidido.de>

BauSystem_Main/src/de/steamwar/bausystem/features/loader/Loader.java

@@ -38,6 +38,7 @@ import org.bukkit.event.block.Action;
 import org.bukkit.event.block.BlockPlaceEvent;
 import org.bukkit.event.player.PlayerInteractEvent;
 import org.bukkit.event.player.PlayerQuitEvent;
+import org.bukkit.inventory.EquipmentSlot;
 import org.bukkit.scheduler.BukkitTask;
 
 import java.util.*;
@@ -201,8 +202,18 @@ public class Loader implements Listener {
 
         if (event.getAction() != Action.RIGHT_CLICK_BLOCK && event.getAction() != Action.PHYSICAL)
             return;
+
         if (event.getClickedBlock().getType() == Material.OBSERVER)
             return;
+
+        if (event.getHand() == EquipmentSlot.OFF_HAND) {
+            return;
+        }
+
+        if (event.getPlayer().getInventory().getItemInMainHand().getType() == Material.TNT) {
+            return;
+        }
+
         LoaderButton button = LoaderButton.fromBlock(event.getClickedBlock());
         if (button != LoaderButton.INVALID) {
             actions.add(InteractionActivation.construct(p, event.getClickedBlock().getLocation(), this));