Editor: flag orbit camera for re-initialization

After swapping cells the orbit cam controller needs to be
re-initialized to properly center on the new cell.

apps/opencs/view/render/cameracontroller.cpp

@@ -632,6 +632,11 @@ namespace CSVRender
         getCamera()->getViewMatrix().orthoNormal(getCamera()->getViewMatrix());
     }
 
+    void OrbitCameraController::reset()
+    {
+        mInitialized = false;
+    }
+
     void OrbitCameraController::onActivate()
     {
         mInitialized = false;

apps/opencs/view/render/cameracontroller.hpp

@@ -159,6 +159,9 @@ namespace CSVRender
 
             void update(double dt);
 
+            /// \brief Flag controller to be re-initialized.
+            void reset();
+
         private:
 
             void onActivate();

apps/opencs/view/render/unpagedworldspacewidget.cpp

@@ -15,6 +15,7 @@
 #include "../widget/scenetooltoggle.hpp"
 #include "../widget/scenetooltoggle2.hpp"
 
+#include "cameracontroller.hpp"
 #include "mask.hpp"
 #include "tagbase.hpp"
 
@@ -93,6 +94,7 @@ bool CSVRender::UnpagedWorldspaceWidget::handleDrop (const std::vector<CSMWorld:
 
     mCell.reset (new Cell (getDocument().getData(), mRootNode, mCellId));
     mCamPositionSet = false;
+    mOrbitCamControl->reset();
 
     update();
     emit cellChanged(*universalIdData.begin());