change repair_tool application and add beams for salvager and repair_tool

src/balancing/ArenaView.h

@@ -10,7 +10,7 @@
 #include <QVector2D>
 
 #include "EventHandler.h"
-#include "WeaponFiredEvent.h"
+#include "BeamFiredEvent.h"
 
 #include "entt/entity/entity.hpp"
 #include "EntitySelectedEvent.h"
@@ -22,7 +22,7 @@ class ArenaSimulation;
 class QPainter;
 
 class ArenaView : public QOpenGLWidget,
-                  public EventHandler<WeaponFiredEvent>
+                  public EventHandler<BeamFiredEvent>
 {
     Q_OBJECT
 
@@ -45,7 +45,7 @@ private slots:
     void onFrame();
 
 private:
-    void handleEvent(std::shared_ptr<const WeaponFiredEvent> event) override;
+    void handleEvent(std::shared_ptr<const BeamFiredEvent> event) override;
 
     void drawTiles(QPainter& painter);
     void drawBuildings(QPainter& painter);
@@ -66,7 +66,7 @@ private:
 
     struct ActiveBeam
     {
-        WeaponFiredEvent event;
+        BeamFiredEvent event;
         qint64    emittedWallMs;
         QVector2D targetOffset;
     };