Move cell border management to World

components/terrain/terraingrid.cpp

@@ -19,9 +19,8 @@ public:
 
 TerrainGrid::TerrainGrid(osg::Group* parent, osg::Group* compileRoot, Resource::ResourceSystem* resourceSystem, Storage* storage, int nodeMask, int preCompileMask, int borderMask)
     : Terrain::World(parent, compileRoot, resourceSystem, storage, nodeMask, preCompileMask, borderMask)
-    , mNumSplits(4), mBorderVisible(false)
+    , mNumSplits(4)
 {
-    mCellBorder.reset(new MWRender::CellBorder(this,mTerrainRoot.get()));
 }
 
 TerrainGrid::~TerrainGrid()
@@ -89,8 +88,7 @@ void TerrainGrid::loadCell(int x, int y)
     if (!terrainNode)
         return; // no terrain defined
 
-    if (mBorderVisible)
-        mCellBorder->createCellBorderGeometry(x,y);
+    TerrainGrid::World::loadCell(x,y);
 
     mTerrainRoot->addChild(terrainNode);
 
@@ -103,8 +101,7 @@ void TerrainGrid::unloadCell(int x, int y)
     if (it == mGrid.end())
         return;
 
-    if (mBorderVisible)
-        mCellBorder->destroyCellBorderGeometry(x,y);
+    Terrain::World::unloadCell(x,y);
 
     osg::ref_ptr<osg::Node> terrainNode = it->second;
     mTerrainRoot->removeChild(terrainNode);

components/terrain/terraingrid.hpp

@@ -7,8 +7,6 @@
 
 #include "world.hpp"
 
-#include "cellborder.hpp"
-
 namespace Terrain
 {
 
@@ -37,10 +35,6 @@ namespace Terrain
         unsigned int mNumSplits;
 
         MWRender::CellBorder::CellGrid mGrid;
-
-        std::unique_ptr<MWRender::CellBorder> mCellBorder;
-
-        bool mBorderVisible; 
     };
 }
 

components/terrain/world.cpp

@@ -18,6 +18,7 @@ World::World(osg::Group* parent, osg::Group* compileRoot, Resource::ResourceSyst
     : mStorage(storage)
     , mParent(parent)
     , mResourceSystem(resourceSystem)
+    , mBorderVisible(false)
 {
     mTerrainRoot = new osg::Group;
     mTerrainRoot->setNodeMask(nodeMask);
@@ -46,6 +47,7 @@ World::World(osg::Group* parent, osg::Group* compileRoot, Resource::ResourceSyst
 
     mTextureManager.reset(new TextureManager(mResourceSystem->getSceneManager()));
     mChunkManager.reset(new ChunkManager(mStorage, mResourceSystem->getSceneManager(), mTextureManager.get(), mCompositeMapRenderer));
+    mCellBorder.reset(new MWRender::CellBorder(this,mTerrainRoot.get()));
 
     mResourceSystem->addResourceManager(mChunkManager.get());
     mResourceSystem->addResourceManager(mTextureManager.get());
@@ -64,6 +66,26 @@ World::~World()
     delete mStorage;
 }
 
+void World::setBordersVisible(bool visible)
+{
+    mBorderVisible = visible;
+
+    if (!visible)
+        mCellBorder->destroyCellBorderGeometry();
+}
+
+void World::loadCell(int x, int y)
+{
+    if (mBorderVisible)
+        mCellBorder->createCellBorderGeometry(x,y);
+}
+
+void World::unloadCell(int x, int y)
+{
+    if (mBorderVisible)
+        mCellBorder->destroyCellBorderGeometry(x,y);
+}
+
 void World::setTargetFrameRate(float rate)
 {
     mCompositeMapRenderer->setTargetFrameRate(rate);

components/terrain/world.hpp

@@ -8,6 +8,7 @@
 #include <memory>
 
 #include "defs.hpp"
+#include "cellborder.hpp"
 
 namespace osg
 {
@@ -76,15 +77,15 @@ namespace Terrain
 
         /// Load the cell into the scene graph.
         /// @note Not thread safe.
-        virtual void loadCell(int x, int y) {}
+        virtual void loadCell(int x, int y);
 
         /// Remove the cell from the scene graph.
         /// @note Not thread safe.
-        virtual void unloadCell(int x, int y) {}
+        virtual void unloadCell(int x, int y);
 
         virtual void enable(bool enabled) {}
 
-        virtual void setBordersVisible(bool visible) {}
+        virtual void setBordersVisible(bool visible);
 
         /// Create a View to use with preload feature. The caller is responsible for deleting the view.
         /// @note Thread safe.
@@ -113,6 +114,10 @@ namespace Terrain
 
         std::unique_ptr<TextureManager> mTextureManager;
         std::unique_ptr<ChunkManager> mChunkManager;
+
+        std::unique_ptr<MWRender::CellBorder> mCellBorder;
+
+        bool mBorderVisible; 
     };
 }