Minor code cleanup.

Engine/Graphics/Renderer.cpp

@@ -594,10 +594,11 @@ void Renderer::Update(float timeStep)
             continue;
         
         const IntRect& viewRect = viewport->GetRect();
+        Scene* scene = viewport->GetScene();
         
         // Update octree (perform early update for drawables which need that, and reinsert moved drawables.)
         // However, if the same scene is viewed from multiple cameras, update the octree only once
-        Octree* octree = viewport->GetScene()->GetComponent<Octree>();
+        Octree* octree = scene->GetComponent<Octree>();
         if (!updatedOctrees_.Contains(octree))
         {
             frame_.camera_ = viewport->GetCamera();
@@ -609,7 +610,7 @@ void Renderer::Update(float timeStep)
             
             // Set also the view for the debug graphics already here, so that it can use culling
             /// \todo May result in incorrect debug geometry culling if the same scene is drawn from multiple viewports
-            DebugRenderer* debug = viewport->GetScene()->GetComponent<DebugRenderer>();
+            DebugRenderer* debug = scene->GetComponent<DebugRenderer>();
             if (debug)
                 debug->SetView(viewport->GetCamera());
         }
@@ -687,10 +688,7 @@ void Renderer::DrawDebugGeometry(bool depthTest)
         Octree* octree = view->GetOctree();
         if (!octree)
             continue;
-        Scene* scene = static_cast<Scene*>(octree->GetNode());
-        if (!scene)
-            continue;
-        DebugRenderer* debug = scene->GetComponent<DebugRenderer>();
+        DebugRenderer* debug = octree->GetComponent<DebugRenderer>();
         if (!debug)
             continue;
         

Engine/Graphics/View.cpp

@@ -350,15 +350,11 @@ void View::Render()
     // If this is a main view, draw the associated debug geometry now
     if (!renderTarget_)
     {
-        Scene* scene = static_cast<Scene*>(octree_->GetNode());
-        if (scene)
+        DebugRenderer* debug = octree_->GetComponent<DebugRenderer>();
+        if (debug)
         {
-            DebugRenderer* debug = scene->GetComponent<DebugRenderer>();
-            if (debug)
-            {
-                debug->SetView(camera_);
-                debug->Render();
-            }
+            debug->SetView(camera_);
+            debug->Render();
         }
     }