/*
   render/model.h
   This file is part of the Osirion project and is distributed under
   the terms of the GNU General Public License version 2
*/

#ifndef __INCLUDED_RENDER_MODEL_H__
#define __INCLUDED_RENDER_MODEL_H__

#include <map>
#include <list>

#include "math/plane3f.h"
#include "core/entity.h"
#include "render/face.h"

namespace render
{

/// a spacecraft engine
class Engine
{
public:
	Engine(math::Vector3f const & location);
	~Engine();
	
	inline math::Vector3f const & location() const
	{
		return engine_location;
	}
	
private:
	math::Vector3f		engine_location;
};

/// a 3D model contains a list of faces
class Model
{
public:
	/// load a model from disk
	Model(std::string const & name);
	~Model();
	
	/// the name of the model
	inline std::string const & name() const
	{
		return model_name;
	}
	
	/// the Model registry
	static std::map<std::string, Model*> registry;
	
	/// draw the model for an entity
	/** This will not draw attached engines, turrents and cannons
	 */
	void draw(core::Entity const * entity, math::Vector3f const & eye);
	
	/// draw the model for a controlable enity
	/** This will draw all attached engines, turrents and cannons
	 */
	void draw(core::EntityControlable const * entity, math::Vector3f const & eye);
	
	/* ---- static functions for the Model registry -------------------- */
	
	/// get name model, returns 0 if not found
	static Model *find(std::string const & name);
	
	/// get named model from the registry and load it if necessary
	static Model *get(std::string const & name);
	
	/// clear the model registry
	static void clear();
	
	/// list the content of the model registry
	static void list();
	
private:
	void make_face(math::Plane3f *face, std::vector<math::Plane3f *> & planes);
	void add_engine(Engine *engine);
	void add_face(Face *face);
	
	std::list<Face *>	model_face;
	std::list<Engine *>	model_engine;
	std::string		model_name;
	
	float			model_scale;
	
};

}

#endif // __INCLUDED_RENDER_MODEL_H__