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/******************************************************************/
/* This file is part of the homework assignments for CSCI-427/527 */
/* at The College of William & Mary and authored by Pieter Peers. */
/* No part of this file, whether altered or in original form, can */
/* be distributed or used outside the context of CSCI-427/527 */
/* without consent of either the College of William & Mary or */
/* Pieter Peers. */
/******************************************************************/
#ifndef _LIGHTSOURCESHADER_H_
#define _LIGHTSOURCESHADER_H_
#include <memory>
#include "shader_base.h"
#include "lightsource_base.h"
class lightsourceShader : public shader_base {
public:
//////////////////
// Constructors //
//////////////////
lightsourceShader(const std::shared_ptr<const lightsource_base>& lightsource, const std::shared_ptr<const shader_base>& reflectanceShader=nullptr);
lightsourceShader(const lightsourceShader&) = delete;
///////////////
// Operators //
///////////////
lightsourceShader& operator=(const lightsourceShader&) = delete;
/////////////
// Methods //
/////////////
virtual color shade(const intersectionPoint& ip, const vec3d& light_dir) const final override;
virtual color reflectance(const intersectionPoint& ip, const vec3d& light_dir) const final override;
virtual brdfSample sample(const intersectionPoint& ip, float r1, float r2) const final override;
virtual float reflectivity(const intersectionPoint& ip) const final override;
virtual color emittance(const intersectionPoint& ip) const final override;
virtual shaderProperties properties(const intersectionPoint& ip) const final override;
protected:
///////////////////////
// Protected Methods //
///////////////////////
virtual void _print(std::ostream& s) const final override;
//////////////////
// Data Members //
//////////////////
std::shared_ptr<const shader_base> _reflectanceShader;
std::shared_ptr<const lightsource_base> _lightsource;
};
#endif /* _LIGHTSOURCESHADER_H_ */
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