#ifndef __SCENEENTITY_H
#define __SCENEENTITY_H

#include "common.h"
#include "AxisAlignedBox3.h"
#include "Triangle3.h"


namespace CHCDemoEngine 
{

class Material;
class Geometry;
class RenderState;
struct RenderQueueBucket;

/** Class representing a scene entity.
    A scene entity basically consists of geometry, transformation, and a material
*/
class SceneEntity
{
	friend class RenderQueue;

public:
	/** Creates a scene entity.
	*/
	SceneEntity(Geometry *geometry, Material *mat, Matrix4x4 *trafo);

	~SceneEntity();
	/** Renders this node.
	*/
	void Render(RenderState *state);	
	/** Set pointer to the geometry
	*/
	void SetGeometry(Geometry *geom);
	/** See set
	*/
	Geometry *GetGeometry() const { return mGeometry; }
	/** Set pointer to the geometry
	*/
	void SetTransformation(Matrix4x4 *trafo);
	/** Set pointer to the material
	*/
	void SetMaterial(Material *mat);
	/** Returns the transformed bounding box.
	*/
	AxisAlignedBox3 GetBoundingBox() const;
	/** set frame where we last rendered this node
	*/
	void SetLastRendered(int lastRendered);
	/** returns frame where we last visited this node
	*/
	int GetLastRendered() const;

	inline Material *GetMaterial() const  { return mMaterial; }
	inline Matrix4x4 *GetTransformation() const  { return mTransform; }

protected:

	/// transform matrix 
	Matrix4x4 *mTransform;
	Geometry *mGeometry;
	Material *mMaterial;
	
	int mLastRendered;
	/// pointer to the renderqueue bucket this entity belongs to
	RenderQueueBucket *mRenderQueueBucket;
};

}

#endif // __SCENEENTITY_H