source: GTP/trunk/App/Demos/Vis/FriendlyCulling/src/Visualization.h @ 3245

#ifndef __VISUALIZATION_H
#define __VISUALIZATION_H

#include "common.h"


namespace CHCDemoEngine
{

class Bvh;
class PerspectiveCamera;
class Camera;
class RenderState;
class AxisAlignedBox3;
class GLUquadric;
struct ViewCell;


/** Abstract class implementing a scene traversal for rendering.
*/
class Visualization
{
public:
        /** Main constructor taking a bvh, a camera, a visualization camera and the current render state
            as parameters
        */
        Visualization(Bvh *bvh, PerspectiveCamera *camera, Camera *vizCamera, RenderState *state);

        ~Visualization();
        /** Renders the visualizatioin
        */
        void Render(bool showShadowFrustra);
        /** Sets the scene hierarchy.
        */
        void SetHierarchy(Bvh *bvh);
        /** Sets the visualization camera.
        */
        void SetVizCamera(Camera *cam) { mVizCamera = cam; }
        /** Sets the currently used scene camera.
        */
        void SetCamera(PerspectiveCamera *cam) {mCamera = cam; }
        /** Sets the current render state
        */
        void SetRenderState(RenderState *state);
        /** Sets the currentframe id
        */
        void SetFrameId(int frameId);
        /** Renders a camera frustum.
        */
        void RenderFrustum();
        /** Sets the current view cell.
        */
        void SetViewCell(ViewCell *vc);

        /** Renders box as wireframe.
        */
        static void RenderBoxForViz(const AxisAlignedBox3 &box);

protected:

        ////////////
        //-- members

        /// the current camera
        PerspectiveCamera *mCamera;
        /// the visualization camera
        Camera *mVizCamera;
        /// the root of the scene hierarchy
        Bvh *mBvh;
        /// the current render state
        RenderState *mRenderState;
        /// the current frame id
        int mFrameId;

        ViewCell *mViewCell;
};

}



#endif // VISUALIZATION_H