Fixed #3362

core/src/mindustry/content/UnitTypes.java

@@ -295,7 +295,6 @@ public class UnitTypes implements ContentList{
                     backColor = Pal.heal;
                     frontColor = Color.white;
                 }};
-                shootSound = Sounds.pew;
             }});
         }};
 

core/src/mindustry/world/blocks/storage/Unloader.java

@@ -71,6 +71,8 @@ public class Unloader extends Block{
                                 other.items.remove(item, 1);
                             }
                             other.itemTaken(item);
+                        }else if(sortItem == null){
+                            other.items.failTake();
                         }
                     }
                 }

core/src/mindustry/world/modules/ItemModule.java

@@ -224,6 +224,18 @@ public class ItemModule extends BlockModule{
         takeRotation = item.id + 1;
     }
 
+    public void failTake(){
+        for(int i = 1; i < items.length; i++){
+            int index = (i + takeRotation);
+            if(index >= items.length) index -= items.length;
+            if(items[index] > 0){
+                takeRotation += i;
+                takeRotation %= items.length;
+                return;
+            }
+        }
+    }
+
     public int get(int id){
         return items[id];
     }

gradle.properties

@@ -1,3 +1,3 @@
 org.gradle.daemon=true
 org.gradle.jvmargs=-Xms256m -Xmx1024m
-archash=a6f488d6f741b98d123113ceb26439032be0719e
+archash=f7fcd4a78e01b1ad41e1bc57c25a78d12c51ec54