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70 lines
2.1 KiB
C++
70 lines
2.1 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/sceneutil/statesetupdater.hpp>
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#include <components/esm/loadcell.hpp>
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namespace MWRender
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{
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class GroundcoverUpdater : public SceneUtil::StateSetUpdater
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{
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public:
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GroundcoverUpdater()
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: mWindSpeed(0.f)
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, mPlayerPos(osg::Vec3f())
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{
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}
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void setWindSpeed(float windSpeed);
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void setPlayerPos(osg::Vec3f playerPos);
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protected:
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void setDefaults(osg::StateSet *stateset) override;
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void apply(osg::StateSet *stateset, osg::NodeVisitor *nv) override;
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private:
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float mWindSpeed;
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osg::Vec3f mPlayerPos;
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};
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typedef std::tuple<osg::Vec2f, float, bool> ChunkId; // Center, Size, ActiveGrid
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class Groundcover : public Resource::GenericResourceManager<ChunkId>, public Terrain::QuadTreeWorld::ChunkManager
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{
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public:
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Groundcover(Resource::SceneManager* sceneManager, float density);
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~Groundcover() = default;
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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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std::string mModel;
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GroundcoverEntry(const ESM::CellRef& ref, const std::string& model)
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{
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mPos = ref.mPos;
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mScale = ref.mScale;
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mModel = model;
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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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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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