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99 lines
2.0 KiB
C++
99 lines
2.0 KiB
C++
#ifndef OPENMW_COMPONENTS_TERRAIN_VIEWDATA_H
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#define OPENMW_COMPONENTS_TERRAIN_VIEWDATA_H
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#include <vector>
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#include <deque>
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#include <osg/Node>
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#include "world.hpp"
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namespace Terrain
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{
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class QuadTreeNode;
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class ViewData : public View
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{
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public:
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ViewData();
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~ViewData();
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void add(QuadTreeNode* node, bool visible);
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void reset(unsigned int frame);
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void clear();
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bool contains(QuadTreeNode* node);
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struct Entry
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{
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Entry();
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bool set(QuadTreeNode* node, bool visible);
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QuadTreeNode* mNode;
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bool mVisible;
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unsigned int mLodFlags;
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osg::ref_ptr<osg::Node> mRenderingNode;
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};
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unsigned int getNumEntries() const;
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Entry& getEntry(unsigned int i);
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osg::Object* getViewer() const { return mViewer.get(); }
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void setViewer(osg::Object* viewer) { mViewer = viewer; }
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unsigned int getFrameLastUsed() const { return mFrameLastUsed; }
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/// @return Have any nodes changed since the last frame
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bool hasChanged() const;
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bool hasEyePoint() const;
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void setEyePoint(const osg::Vec3f& eye);
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const osg::Vec3f& getEyePoint() const;
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private:
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std::vector<Entry> mEntries;
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unsigned int mNumEntries;
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unsigned int mFrameLastUsed;
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bool mChanged;
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osg::ref_ptr<osg::Object> mViewer;
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osg::Vec3f mEyePoint;
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bool mHasEyePoint;
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};
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class ViewDataMap : public osg::Referenced
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{
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public:
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ViewData* getViewData(osg::Object* viewer);
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ViewData* createOrReuseView();
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void clearUnusedViews(unsigned int frame);
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void clear();
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void setDefaultViewer(osg::Object* viewer);
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ViewData* getDefaultView();
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private:
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std::list<ViewData> mViewVector;
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typedef std::map<osg::Object*, ViewData*> Map;
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Map mViews;
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std::deque<ViewData*> mUnusedViews;
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osg::ref_ptr<osg::Object> mDefaultViewer;
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};
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}
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#endif
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