Enable lazy compiling of composite maps

components/terrain/chunkmanager.cpp

@@ -201,12 +201,14 @@ osg::ref_ptr<osg::Node> ChunkManager::createChunk(float chunkSize, const osg::Ve
 
         compositeMapNode->getOrCreateStateSet()->setMode(GL_LIGHTING, osg::StateAttribute::OFF);
 
-        mCompositeMapRenderer->addCompositeMap(compositeMapNode, true);
+        mCompositeMapRenderer->addCompositeMap(compositeMapNode, false);
 
         std::vector<osg::ref_ptr<osg::StateSet> > passes2;
         passes2.push_back(new osg::StateSet);
         passes2[0]->setTextureAttributeAndModes(0, compositeMap, osg::StateAttribute::ON);
         geometry->setPasses(passes2);
+
+        transform->getOrCreateUserDataContainer()->addUserObject(compositeMapNode);
     }
     else
     {

components/terrain/quadtreeworld.cpp

@@ -8,6 +8,7 @@
 #include "storage.hpp"
 #include "viewdata.hpp"
 #include "chunkmanager.hpp"
+#include "compositemaprenderer.hpp"
 
 namespace
 {
@@ -314,7 +315,19 @@ void QuadTreeWorld::accept(osg::NodeVisitor &nv)
         }
 
         if (entry.mVisible)
+        {
+            osg::UserDataContainer* udc = entry.mRenderingNode->getUserDataContainer();
+            if (udc && udc->getNumUserObjects() > 0)
+            {
+                osg::Node* compositeMapNode = udc->getUserObject(0)->asNode();
+                if (compositeMapNode)
+                {
+                    mCompositeMapRenderer->setImmediate(compositeMapNode);
+                    udc->removeUserObject(0);
+                }
+            }
             entry.mRenderingNode->accept(nv);
+        }
     }
 
     vd->reset(nv.getTraversalNumber());

components/terrain/world.cpp

@@ -27,15 +27,14 @@ World::World(osg::Group* parent, osg::Group* compileRoot, Resource::ResourceSyst
 
     mTerrainRoot->setName("Terrain Root");
 
-    osg::ref_ptr<CompositeMapRenderer> renderer (new CompositeMapRenderer);
-    renderer->setNodeMask(preCompileMask);
-    compileRoot->addChild(renderer);
-    mCompositeMapRenderer = renderer;
+    mCompositeMapRenderer = new CompositeMapRenderer;
+    mCompositeMapRenderer->setNodeMask(preCompileMask);
+    compileRoot->addChild(mCompositeMapRenderer);
 
     mParent->addChild(mTerrainRoot);
 
     mTextureManager.reset(new TextureManager(mResourceSystem->getSceneManager()));
-    mChunkManager.reset(new ChunkManager(mStorage, mResourceSystem->getSceneManager(), mTextureManager.get(), renderer));
+    mChunkManager.reset(new ChunkManager(mStorage, mResourceSystem->getSceneManager(), mTextureManager.get(), mCompositeMapRenderer));
 
     mResourceSystem->addResourceManager(mChunkManager.get());
     mResourceSystem->addResourceManager(mTextureManager.get());

components/terrain/world.hpp

@@ -26,6 +26,7 @@ namespace Terrain
 
     class TextureManager;
     class ChunkManager;
+    class CompositeMapRenderer;
 
     /**
      * @brief The basic interface for a terrain world. How the terrain chunks are paged and displayed
@@ -70,7 +71,7 @@ namespace Terrain
 
         osg::ref_ptr<osg::Group> mParent;
         osg::ref_ptr<osg::Group> mTerrainRoot;
-        osg::ref_ptr<osg::Node> mCompositeMapRenderer;
+        osg::ref_ptr<CompositeMapRenderer> mCompositeMapRenderer;
 
         Resource::ResourceSystem* mResourceSystem;