derive threat cost dynamically

src/ui/GameWorldView.h

@@ -24,6 +24,7 @@
 #include "EventHandler.h"
 #include "ExitBlueprintModeRequestedEvent.h"
 #include "ExitBuilderModeRequestedEvent.h"
+#include "DebugDrawToggledEvent.h"
 #include "WeaponFiredEvent.h"
 #include "SchematicChoiceOption.h"
 #include "SpeedChangeRequestedEvent.h"
@@ -65,6 +66,7 @@ public:
     ~GameWorldView() override;
 
     double gameSpeed() const;
+    bool isDebugDrawEnabled() const;
     void resetFrameTimer();
     void setGameSpeed(double multiplier);
     void resetForNewGame();