Fixed #4729

core/src/mindustry/entities/comp/UnitComp.java

@@ -140,7 +140,7 @@ abstract class UnitComp implements Healthc, Physicsc, Hitboxc, Statusc, Teamc, I
             case controlled -> controller instanceof LogicAI || controller instanceof Player ? 1 : 0;
             case commanded -> controller instanceof FormationAI ? 1 : 0;
             case payloadCount -> self() instanceof Payloadc pay ? pay.payloads().size : 0;
-            default -> 0;
+            default -> Float.NaN;
         };
     }
 
@@ -162,7 +162,7 @@ abstract class UnitComp implements Healthc, Physicsc, Hitboxc, Statusc, Teamc, I
     @Override
     public double sense(Content content){
         if(content == stack().item) return stack().amount;
-        return 0;
+        return Float.NaN;
     }
 
     @Override