/******************************************************************/
/* 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 _DIFFUSEREFLECTANCESHADER_H_
#define _DIFFUSEREFLECTANCESHADER_H_

#include "diffuseBrdf.h"
#include "reflectanceParameter.h"
#include "reflectanceShader_base.h"

class diffuseReflectanceShader : public reflectanceShader_base {
 public:
  /////////////////
  // Constructor //
  /////////////////
  diffuseReflectanceShader(const colorReflectanceParameter& albedo=colorReflectanceParameter(color(1.0f, 1.0f, 1.0f)));
  diffuseReflectanceShader(const diffuseReflectanceShader& ) = delete;

  ///////////////
  // Operators //
  ///////////////
  diffuseReflectanceShader& operator=(const diffuseReflectanceShader&) = delete;

protected:
  ///////////////////////
  // Protected Methods //
  ///////////////////////
  virtual std::unique_ptr<const brdf_base> make_brdf(const vec2d& textureCoord) const override;

  virtual void _print(std::ostream& s) const override;

private:
  //////////////////
  // Data Members //
  //////////////////
  colorReflectanceParameter _albedo;
};

#endif /* _DIFFUSEREFLECTANCESHADER_H_ */