/home/master/UCL/VisualizationLibrary/src/vlGraphics/SceneManager.hpp

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/*  Visualization Library                                                             */
/*  http://visualizationlibrary.org                                                   */
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/*  Copyright (c) 2005-2010, Michele Bosi                                             */
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#ifndef SceneManager_INCLUDE_ONCE
#define SceneManager_INCLUDE_ONCE

#include <vlGraphics/link_config.hpp>
#include <vlCore/Object.hpp>
#include <vlCore/Sphere.hpp>

namespace vl
{
  class Actor;
  class ActorCollection;
  class Camera;

//-------------------------------------------------------------------------------------------------------------------------------------------
// SceneManager
//-------------------------------------------------------------------------------------------------------------------------------------------
  class VLGRAPHICS_EXPORT SceneManager: public Object
  {
    VL_INSTRUMENT_ABSTRACT_CLASS(vl::SceneManager, Object)

  public:
    SceneManager();

    virtual void extractVisibleActors(ActorCollection& list, const Camera* camera)= 0;

    virtual void extractActors(ActorCollection& list) = 0;

    virtual void computeBounds();

    void setBoundingSphere(const Sphere& sphere) { mSphere = sphere; }
    const Sphere& boundingSphere() const { return mSphere; }

    void setBoundingBox(const AABB& bbox) { mAABB = bbox; }
    const AABB& boundingBox() const { return mAABB; }

    void setBoundsDirty(bool dirty) { mBoundsDirty = dirty; }
    bool boundsDirty() const { return mBoundsDirty; }

    void setCullingEnabled(bool enable) { mCullingEnabled = enable; }
    bool cullingEnabled() const { return mCullingEnabled; }

    void setEnableMask(unsigned int enabled) { mEnableMask = enabled; }
    unsigned int enableMask() const { return mEnableMask; }
    bool isEnabled(Actor*a) const;

  protected:
    Sphere mSphere;
    AABB mAABB;
    unsigned int mEnableMask;
    bool mBoundsDirty;
    bool mCullingEnabled;
  };
}

#endif