primitive.h

#ifndef PRIMITIVE_H
#define PRIMITIVE_H

#include "all.h"

namespace HYF
{

class Texture
{
public:
	Texture( Color* p_Bitmap, int p_Width, int p_Height );
	Texture( char* p_File );
	inline Color* getBitmap() { return m_Bitmap; }
	Color getUVColor( double p_U, double p_V );
	inline int getWidth() { return m_Width; }
	inline int getHeight() { return m_Height; }
private:
	Color* m_Bitmap;
	int m_Width, m_Height;
};

class Material
{
public:
	Material();
	inline void setColor( Color& p_Color ) { m_Color = p_Color; m_Tex = NULL;m_TexRatio = m_TexRatioDao = 1.0;}
	inline Color getColor() { return m_Color; }
	inline void setSpecular( double p_Spec ) { m_Spec = p_Spec; }//高光
	inline void setDiffuse( double p_Diff ) { m_Diff = p_Diff; }
	inline void setReflection( double p_Refl ) { m_Refl = p_Refl; }
	inline void setDiffRefl(double p_DiffRefl ) { m_DiffRefl = p_DiffRefl; }
	inline void setRefraction( double p_Refr ) { m_Refr = p_Refr; }
	inline void setRefr_Rate( double p_Refr_Rate ) { m_Refr_Rate = p_Refr_Rate; }
	inline double getSpecular() { return m_Spec; }//高光
	inline double getDiffuse() { return m_Diff; }//漫反射
	inline double getReflection() { return m_Refl;}
	inline double getDiffRefl() { return m_DiffRefl;}
	inline double getRefraction() { return m_Refr;}
	inline double getRefr_Rate() { return m_Refr_Rate;}

	inline void setTexure(Texture* p_Tex){m_Tex = p_Tex;}
	inline Texture* getTexure() {return m_Tex;}
	inline void setTexRatio(double p_TexRatio){m_TexRatio = p_TexRatio; m_TexRatioDao = 1.0 / p_TexRatio;}
	inline double getTexRatio() {return m_TexRatio;}
	inline double getTexRatioDao() {return m_TexRatioDao;}
private:
	Color m_Color;//材质颜色
	double m_Refl;//反射系数
	double m_DiffRefl;//漫镜面反射系数
	double m_Diff;//漫反射系数
	double m_Spec;//高光
	double m_Refr;//透射率
	double m_Refr_Rate;//折射率
	Texture* m_Tex;
	double m_TexRatio;//一块纹理的放大倍数
	double m_TexRatioDao;//一块纹理的放大倍数的倒数

public:
	enum Refl_t { DIFF, SPEC, REFR };
	int BRDFType;
	Color emission;
};

class Primitive
{
public:
	enum
	{
		SPHERE = 1,
		PLANE = 2,
		BOX = 3,
		TRIANGLE = 4
	};
	Primitive() : m_Name( 0 ), m_Light( false ) {};
	inline Material* getMaterial() { return &m_Material; }
	inline void setMaterial( Material& p_Mat ) { m_Material = p_Mat; }

	virtual int getType() = 0;
	virtual int Intersect( Ray& p_Ray, double& p_Dist ) = 0;
	virtual bool H_IntersectBox( BoundingBox& ) = 0;
	virtual vector3 getNormal( vector3& p_Pos ) = 0;
	virtual vector3 getNormal( vector3& p_Pos ,vector3& p_RayO) {return getNormal(p_Pos);}
	virtual Color getColor(vector3& p_Pos) { return m_Material.getColor(); }
	virtual void Light( bool p_Light ) { m_Light = p_Light; }
	virtual BoundingBox getBoundingBox() = 0;
	
	inline bool IsLight() { return m_Light; }
	void setName( char* p_Name );
	inline char* getName() { return m_Name; }
protected:
	Material m_Material;
	char* m_Name;
	bool m_Light;
};

}

#endif