Update cell marker appearance

- Added bounding box around marker text. Box is black when cell exists
  otherwise it is red.

- Changed format of marker text.

- Changed marker text's pivot point to be at center of text.

apps/opencs/view/render/cell.cpp

@@ -307,7 +307,13 @@ void CSVRender::Cell::setCellArrows (int mask)
 
 void CSVRender::Cell::setCellMarker()
 {
-    mCellMarker.reset(new CellMarker(mCellNode, mCoordinates));
+    bool cellExists = false;
+    int cellIndex = mData.getCells().searchId(mId);
+    if (cellIndex > -1)
+    {
+        cellExists = !mData.getCells().getRecord(cellIndex).isDeleted();
+    }
+    mCellMarker.reset(new CellMarker(mCellNode, mCoordinates, cellExists));
 }
 
 CSMWorld::CellCoordinates CSVRender::Cell::getCoordinates() const

apps/opencs/view/render/cellmarker.cpp

@@ -22,14 +22,27 @@ void CSVRender::CellMarker::buildMarker()
 {
     const int characterSize = 20;
 
-    // Set up marker text containing cell's coordinates.
+    // Set up attributes of marker text.
     osg::ref_ptr<osgText::Text> markerText (new osgText::Text);
-    markerText->setBackdropType(osgText::Text::OUTLINE);
     markerText->setLayout(osgText::Text::LEFT_TO_RIGHT);
     markerText->setCharacterSize(characterSize);
+    markerText->setAlignment(osgText::Text::CENTER_CENTER);
+    markerText->setDrawMode(osgText::Text::TEXT | osgText::Text::FILLEDBOUNDINGBOX);
+
+    // If cell exists then show black bounding box otherwise show red.
+    if (mExists)
+    {
+        markerText->setBoundingBoxColor(osg::Vec4f(0.0f, 0.0f, 0.0f, 1.0f));
+    }
+    else
+    {
+        markerText->setBoundingBoxColor(osg::Vec4f(1.0f, 0.0f, 0.0f, 1.0f));
+    }
+
+    // Add text containing cell's coordinates.
     std::string coordinatesText =
-        "#" + boost::lexical_cast<std::string>(mCoordinates.getX()) +
-        " " + boost::lexical_cast<std::string>(mCoordinates.getY());
+        boost::lexical_cast<std::string>(mCoordinates.getX()) + "," +
+        boost::lexical_cast<std::string>(mCoordinates.getY());
     markerText->setText(coordinatesText);
 
     // Add text to marker node.
@@ -51,9 +64,11 @@ void CSVRender::CellMarker::positionMarker()
 
 CSVRender::CellMarker::CellMarker(
     osg::Group *cellNode,
-    const CSMWorld::CellCoordinates& coordinates
+    const CSMWorld::CellCoordinates& coordinates,
+    const bool cellExists
 ) : mCellNode(cellNode),
-    mCoordinates(coordinates)
+    mCoordinates(coordinates),
+    mExists(cellExists)
 {
     // Set up node for cell marker.
     mMarkerNode = new osg::AutoTransform();

apps/opencs/view/render/cellmarker.hpp

@@ -38,6 +38,7 @@ namespace CSVRender
             osg::Group* mCellNode;
             osg::ref_ptr<osg::AutoTransform> mMarkerNode;
             CSMWorld::CellCoordinates mCoordinates;
+            bool mExists;
 
             // Not implemented.
             CellMarker(const CellMarker&);
@@ -46,7 +47,7 @@ namespace CSVRender
             /// \brief Build marker containing cell's coordinates.
             void buildMarker();
 
-            /// \brief Position marker above center of cell.
+            /// \brief Position marker at center of cell.
             void positionMarker();
 
         public:
@@ -54,9 +55,11 @@ namespace CSVRender
             /// \brief Constructor.
             /// \param cellNode Cell to create marker for.
             /// \param coordinates Coordinates of cell.
+            /// \param cellExists Whether or not cell exists.
             CellMarker(
                 osg::Group *cellNode,
-                const CSMWorld::CellCoordinates& coordinates);
+                const CSMWorld::CellCoordinates& coordinates,
+                const bool cellExists);
 
             ~CellMarker();
     };