/*
   model/classes.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_MODEL_PARTS_H__
#define __INCLUDED_MODEL_PARTS_H__

#include "math/axis.h"
#include "math/color.h"
#include "math/vector3f.h"

namespace model
{


/**
 * @brief
 * culling parameter values
 * Culling is a paremeter used by flares and particles to indicate
 * with side of the polygons should be culled during rendering
 */
enum Cull { CullNone=0, CullBack=1, CullFront=2 };

/* ---- class Light ------------------------------------------------ */

/// an exterior light
class Light
{
public:
	Light();
	
	Light(const math::Vector3f & location, const math::Color & color, bool strobe=false, bool engine=false);
	
	~Light();
	
	inline const math::Vector3f & location() const
	{
		return light_location;
	}
	
	inline const math::Color & color() const
	{
		return light_color;
	};
	
	/// true if this is a strobe light
	inline bool strobe() const
	{
		return light_strobe;
	}
	
	/// true if this light has entity color
	inline bool entity() const
	{
		return light_entity;
	}
	
	/// size of the light, default is 1.0f
	inline float radius() const
	{
		return light_radius;
	}
	
	/// strobe time offset, in seconds
	inline float offset() const
	{
		return light_offset;
	}
	
	/// frequency in strobes per second
	inline float frequency() const
	{
		return light_frequency;
	}
	
	/// fraction a strobe light will be on, default is 0.5f
	inline float time() const
	{
		return light_time;
	}
	
	/// flare texture number
	inline unsigned int flare() const
	{
		return light_flare;
	}

	/// true if this light has engine activation
	inline const bool engine() const
	{
		return light_engine;
	}
	
	/// render texture number
	inline size_t texture() const
	{
		return render_texture;
	}
	
	math::Vector3f		light_location;
	math::Color		light_color;
	bool			light_strobe;
	bool			light_entity;
	bool			light_engine;
	float			light_radius;
	float			light_frequency;
	float			light_offset;
	float			light_time;
	
	unsigned int		light_flare;
	
	size_t			render_texture;
};

/* ---- class Flare ------------------------------------------------ */

/// a flare is a directional light
class Flare : public Light
{
public:
	Flare();
	~Flare();
	
	inline const math::Axis axis() const
	{
		return flare_axis;
	}
	
	inline const bool engine() const
	{
		return flare_engine;
	}

	inline const Cull cull() const
	{
		return flare_cull;
	}

	math::Axis		flare_axis;
	bool			flare_engine;
	Cull			flare_cull;
};

/* ---- class Particles -------------------------------------------- */

/// a particle system
class Particles
{
public:
	Particles();
	
	Particles(const math::Vector3f & location);
	~Particles();
	
	void set_radius(const float radius);
	
	inline const math::Vector3f & location() const
	{
		return particles_location;
	}

	inline const math::Axis &axis() const
	{
		return particles_axis;
	}
	
	inline const std::string & script() const
	{
		return particles_script;
	}

	inline const bool entity() const
	{
		return particles_entity;
	}

	inline const bool engine() const
	{
		return particles_engine;
	}
	
	inline const float radius() const
	{
		return particles_radius;
	}

	inline const Cull cull() const
	{
		return particles_cull;
	}

	std::string		particles_script;
	math::Vector3f		particles_location;
	math::Axis		particles_axis;

	bool			particles_entity;
	bool			particles_engine;
	
	float			particles_radius;
	Cull			particles_cull;
};

/* ---- class Dock ------------------------------------------------- */

/// a docking location
class Dock
{
public:
	Dock();
	~Dock();
	
	/// location of the dock
	inline const math::Vector3f & location() const
	{
		return dock_location;
	}
	
	/// trigger distance default is 0.01f
	inline float radius() const
	{
		return dock_radius;
	}
	
	
	math::Vector3f		dock_location;
	float			dock_radius;
};

/* ---- class SubModel --------------------------------------------- */

/// a submodel
class SubModel
{
public:
	SubModel();
	~SubModel();

	inline const std::string &name() const { return submodel_name; }

	inline const float scale() const { return submodel_scale; }

	inline const math::Vector3f &location() const { return submodel_location; }

	inline math::Axis &axis() { return submodel_axis; }

	inline void set_scale(const float scale) { submodel_scale = scale; }

	inline void set_name(const std::string &name) { submodel_name.assign(name); }

	inline void set_location(const math::Vector3f &location) { submodel_location.assign(location); }

	inline void set_axis(const math::Axis &axis) { submodel_axis.assign(axis); }

private:
	std::string		submodel_name;
	float			submodel_scale;
	math::Vector3f		submodel_location;
	math::Axis		submodel_axis;
};

}

#endif // __INCLUDED_MODEL_PARTS_H__