//------------------------------------------------------------------------------
// gso_Renderer class	      																--
// (C) Piero Giubilato 2009, Berkeley Lab												   --
//------------------------------------------------------------------------------

//______________________________________________________________________________
// {Trace}
// [File name] "gso_Renderer.h"
// [Author] "Piero Giubilato"
// [Version] "0.4"
// [Modified by] "Piero Giubilato"
// [Last revision] "21 Jan 2009"
// [Language] "C++"
// [Compiler] "Visual C++ 9.x"
// [Member of] "Cool SEAL"
// [Project] "SEAL"
// [Description] "Header for the gso_Renderer class"
// [Key documentation]
// "Visual C++ Reference Help"
// "Root reference guide"
// {Trace}
//______________________________________________________________________________

// Overloading check
#ifndef gso_Renderer_H
#define gso_Renderer_H

// Standard libs

// Root components
#include <TVector3.h>

// Application components


//______________________________________________________________________________
class gso_Material
{
	// Light support class for material properties
	public:
		
		// Special members
		gso_Material(UInt_t color, Double_t amb, Double_t diff, Double_t spec, Double_t shine)
						{k_Color = color; k_Amb = amb; k_Diff = diff; k_Spec = spec; k_Shine = shine;}
		//~gso_Material ();

		// Properties
		UInt_t	k_Color;		// Color
		Double_t k_Amb;		// Ambient reflection
		Double_t k_Diff;		// Diffuse reflection
		Double_t k_Spec;		// Specular reflection
		Double_t k_Shine;		// Shininess
};


//______________________________________________________________________________
class gso_Renderer
{
	private:
		
		// Light properties
		static UInt_t		light_Mode;			// 0 = parallel, 1 = point source
		static Double_t	light_Strenght;	// Strenght
		static TVector3	light_Vect;			// Position/Direction
		static Double_t	light_Color[3];	// Color
				
		// Material properties
		static Double_t mk_Amb;			// Ambient reflection
		static Double_t mk_Diff;		// Diffuse reflection
		static Double_t mk_Spec;		// Specular reflection
		static Double_t mk_Shine;		// Shininess
		

		// Force a singleton
      gso_Renderer ();
		~gso_Renderer ();
      gso_Renderer (const gso_Renderer&) {};		
      gso_Renderer& operator=(gso_Renderer&) {};		
  
	public:
		
		// Default const
		static const Float_t		kl_Default;		// Standard light strenght
		//static const Double_t	km_Amb;			// Ambient reflection
		//static const Double_t	km_Diff;			// Diffuse reflection
		//static const Double_t	km_Spec;			// Specular reflection
		//static const Double_t	km_Shine;		// Shininess
		static const gso_Material k_Material;	// Complete material

		// Light setting
		static UInt_t l_Mode();
		static UInt_t l_Mode(UInt_t mode);
		static Double_t l_Strenght();
		static Double_t l_Strenght(Double_t strenght);
		static void l_Vect(Float_t x, Float_t y, Float_t z);
		static void l_Vect(Float_t* x, Float_t* y, Float_t* z);
		static void l_Color(Float_t R, Float_t G, Float_t B);
		static void l_Color(Float_t* R, Float_t* G, Float_t* B);
		
		// Material setting
		static void m_Set(Double_t k_Amb, Double_t k_Diff, Double_t k_Spec, Double_t k_Shine);
		static void m_Set(const gso_Material* mat);

		//static void light_vect_Get(Float_t* x, Float_t* y, Float_t* z);

		// Rendering
		static void light_Map(Float_t* light_Map, const Float_t* surf_Map, UInt_t surf_map_Width, 
									UInt_t surf_map_Height);
};

// Overloading check
#endif