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52 lines
1.2 KiB
C++
52 lines
1.2 KiB
C++
#ifndef COMPONENTS_TERRAIN_QUADTREEWORLD_H
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#define COMPONENTS_TERRAIN_QUADTREEWORLD_H
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#include "world.hpp"
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#include <OpenThreads/Mutex>
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namespace osg
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{
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class NodeVisitor;
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}
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namespace Terrain
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{
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class RootNode;
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class ViewDataMap;
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/// @brief Terrain implementation that loads cells into a Quad Tree, with geometry LOD and texture LOD. The entire world is displayed at all times.
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class QuadTreeWorld : public Terrain::World
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{
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public:
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QuadTreeWorld(osg::Group* parent, osg::Group* compileRoot, Resource::ResourceSystem* resourceSystem, Storage* storage, int nodeMask, int preCompileMask=~0);
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~QuadTreeWorld();
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void accept(osg::NodeVisitor& nv);
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virtual void enable(bool enabled);
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void cacheCell(View *view, int x, int y);
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View* createView();
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void preload(View* view, const osg::Vec3f& eyePoint);
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void reportStats(unsigned int frameNumber, osg::Stats* stats);
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virtual void setDefaultViewer(osg::Object* obj);
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private:
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void ensureQuadTreeBuilt();
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osg::ref_ptr<RootNode> mRootNode;
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osg::ref_ptr<ViewDataMap> mViewDataMap;
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OpenThreads::Mutex mQuadTreeMutex;
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bool mQuadTreeBuilt;
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};
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}
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#endif
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