/home/master/UCL/VisualizationLibrary/src/vlVolume/RaycastVolume.hpp

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/*  Visualization Library                                                             */
/*  http://visualizationlibrary.org                                                   */
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#include <vlVolume/link_config.hpp>
#include <vlGraphics/Geometry.hpp>
#include <vlGraphics/Actor.hpp>

#ifndef RaycastVolume_INCLUDE_ONCE
#define RaycastVolume_INCLUDE_ONCE

namespace vl
{
  class VLVOLUME_EXPORT RaycastVolume: public ActorEventCallback
  {
    VL_INSTRUMENT_CLASS(vl::RaycastVolume, ActorEventCallback)

  public:
    RaycastVolume();
    
    void onActorRenderStarted( Actor* actor, real frame_clock, const Camera* cam, Renderable* renderable, const Shader* shader, int pass );

    void onActorDelete( Actor* ) {}

    void bindActor( Actor* );

    virtual void updateUniforms( Actor* actor, real clock, const Camera* camera, Renderable* rend, const Shader* shader );
    
    Geometry* geometry() { return mGeometry.get(); }
    
    const Geometry* geometry() const { return mGeometry.get(); }
    
    void setBox( const AABB& box );
    
    const AABB& box() const { return mBox; }
    
    const fvec3* vertCoords() const { return mVertCoord->begin(); }
    
    fvec3* vertCoords() { return mVertCoord->begin(); }
    
    const fvec3* texCoords() const { return mTexCoord->begin(); }
    
    fvec3* texCoords() { return mTexCoord->begin(); }
    
    void generateTextureCoordinates( const ivec3& size );
    
    void generateTextureCoordinates(const ivec3& img_size, const ivec3& min_corner, const ivec3& max_corner);

  protected:
    ref<Geometry> mGeometry;
    AABB mBox;
    ref<ArrayFloat3> mTexCoord;
    ref<ArrayFloat3> mVertCoord;
  };
}

#endif