compositemaprenderer.hpp

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#ifndef OPENMW_COMPONENTS_TERRAIN_COMPOSITEMAPRENDERER_H
#define OPENMW_COMPONENTS_TERRAIN_COMPOSITEMAPRENDERER_H

#include <osg/Drawable>

#include <OpenThreads/Mutex>

#include <set>

namespace osg
{
    class FrameBufferObject;
    class RenderInfo;
    class Texture2D;
}

namespace Terrain
{

    class CompositeMap : public osg::Referenced
    {
    public:
        CompositeMap();
        ~CompositeMap();
        std::vector<osg::ref_ptr<osg::Drawable> > mDrawables;
        osg::ref_ptr<osg::Texture2D> mTexture;
        unsigned int mCompiled;
    };

    class CompositeMapRenderer : public osg::Drawable
    {
    public:
        CompositeMapRenderer();

        virtual void drawImplementation(osg::RenderInfo& renderInfo) const;

        void compile(CompositeMap& compositeMap, osg::RenderInfo& renderInfo, double* timeLeft) const;

        void setMinimumTimeAvailableForCompile(double time);

        void setTargetFrameRate(float framerate);

        void addCompositeMap(CompositeMap* map, bool immediate=false);

        void setImmediate(CompositeMap* map);

        unsigned int getCompileSetSize() const;

    private:
        float mTargetFrameRate;
        double mMinimumTimeAvailable;
        mutable osg::Timer mTimer;

        typedef std::set<osg::ref_ptr<CompositeMap> > CompileSet;

        mutable CompileSet mCompileSet;
        mutable CompileSet mImmediateCompileSet;

        mutable CompileSet mCompiled;

        mutable OpenThreads::Mutex mMutex;

        osg::ref_ptr<osg::FrameBufferObject> mFBO;
    };

}

#endif