derive threat cost dynamically

src/ui/SelectedBuildingPanel.h

@@ -11,6 +11,7 @@
 
 #include "Building.h"
 #include "BuildingId.h"
+#include "DebugDrawToggledEvent.h"
 #include "EntitySelectedEvent.h"
 #include "EventHandler.h"
 #include "GameConfig.h"
@@ -33,7 +34,8 @@ class QVBoxLayout;
 class SelectedBuildingPanel : public QWidget,
                                public CombinedEventHandler<TickAdvancedEvent,
                                                            EntitySelectedEvent,
-                                                           SelectionChangedEvent>
+                                                           SelectionChangedEvent,
+                                                           DebugDrawToggledEvent>
 {
     Q_OBJECT
 
@@ -46,6 +48,7 @@ private:
     void handleEvent(std::shared_ptr<const TickAdvancedEvent> event) override;
     void handleEvent(std::shared_ptr<const EntitySelectedEvent> event) override;
     void handleEvent(std::shared_ptr<const SelectionChangedEvent> event) override;
+    void handleEvent(std::shared_ptr<const DebugDrawToggledEvent> event) override;
 
 private slots:
     void onRecipeChanged(int comboIndex);
@@ -86,6 +89,7 @@ private:
     QPoint       m_splitterTile;
     std::string  m_currentRecipeId;
 
+    bool m_debugDraw = false;
     std::optional<entt::entity> m_selectedEntity;
     ShipStatsPanel* m_entityStatsPanel;
     QLabel*         m_entityTitleLabel;