/*]  Copyright (c) 2009-2010, Charles McGarvey  [**************************
**]  All rights reserved.
*
* vi:ts=4 sw=4 tw=75
*
* Distributable under the terms and conditions of the 2-clause BSD license;
* see the file COPYING for a complete text of the license.
*
**************************************************************************/

#ifndef _MOOF_ENTITY_HH_
#define _MOOF_ENTITY_HH_

#include <boost/shared_ptr.hpp>

#include <Moof/Aabb.hh>
#include <Moof/Cullable.hh>
#include <Moof/Drawable.hh>
#include <Moof/Sphere.hh>


namespace Mf {


class Frustum;


/**
 * Interface for game objects that can be drawn to the screen and have a
 * specified volume (take up space).
 */

class Entity;
typedef boost::shared_ptr<Entity> EntityP;


class Entity : public Cullable, public Drawable
{
protected:

	Aabb<3>		mAabb;
	Sphere<3>	mSphere;

public:

	virtual ~Entity() {}

	virtual void drawIfVisible(Scalar alpha, const Frustum& frustum) const
	{
		if (isVisible(frustum)) draw(alpha);
	}

	virtual bool isVisible(const Frustum& frustum) const
	{
		return mSphere.isVisible(frustum) && mAabb.isVisible(frustum);
	}

	const Aabb<3>& getAabb() const
	{
		return mAabb;
	}

	const Sphere<3>& getSphere() const
	{
		return mSphere;
	}
};


} // namespace Mf

#endif // _MOOF_ENTITY_HH_