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56 lines
1.8 KiB
C++
56 lines
1.8 KiB
C++
#ifndef OPENMW_MWRENDER_GROUNDCOVER_H
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#define OPENMW_MWRENDER_GROUNDCOVER_H
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#include <components/terrain/quadtreeworld.hpp>
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#include <components/resource/scenemanager.hpp>
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#include <components/esm3/loadcell.hpp>
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namespace MWWorld
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{
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class ESMStore;
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class GroundcoverStore;
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}
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namespace osg
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{
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class Program;
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}
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namespace MWRender
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{
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typedef std::tuple<osg::Vec2f, float> GroundcoverChunkId; // Center, Size
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class Groundcover : public Resource::GenericResourceManager<GroundcoverChunkId>, public Terrain::QuadTreeWorld::ChunkManager
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{
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public:
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Groundcover(Resource::SceneManager* sceneManager, float density, float viewDistance, const MWWorld::GroundcoverStore& store);
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~Groundcover();
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osg::ref_ptr<osg::Node> getChunk(float size, const osg::Vec2f& center, unsigned char lod, unsigned int lodFlags, bool activeGrid, const osg::Vec3f& viewPoint, bool compile) override;
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unsigned int getNodeMask() override;
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void reportStats(unsigned int frameNumber, osg::Stats* stats) const override;
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struct GroundcoverEntry
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{
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ESM::Position mPos;
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float mScale;
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GroundcoverEntry(const ESM::CellRef& ref) : mPos(ref.mPos), mScale(ref.mScale)
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{}
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};
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private:
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Resource::SceneManager* mSceneManager;
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float mDensity;
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osg::ref_ptr<osg::StateSet> mStateset;
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osg::ref_ptr<osg::Program> mProgramTemplate;
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const MWWorld::GroundcoverStore& mGroundcoverStore;
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typedef std::map<std::string, std::vector<GroundcoverEntry>> InstanceMap;
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osg::ref_ptr<osg::Node> createChunk(InstanceMap& instances, const osg::Vec2f& center);
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void collectInstances(InstanceMap& instances, float size, const osg::Vec2f& center);
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};
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}
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#endif
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