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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. */
/******************************************************************/
#include <algorithm>
#include "compoundShader.h"
//////////////////
// Constructors //
//////////////////
compoundShader::compoundShader(const std::vector<std::shared_ptr<const shader_base>>& shader_list)
: shader_base()
{
_compound = shader_list;
}
/////////////
// Methods //
/////////////
color compoundShader::shade(const intersectionPoint& ip, const vec3d& light_dir) const
{
color result(0.0f, 0.0f, 0.0f);
for_each(_compound.begin(), _compound.end(), [&](const std::shared_ptr<const shader_base>& shader)
{
result += shader->shade(ip, light_dir);
});
// Done.
return result;
}
shaderProperties compoundShader::properties(const intersectionPoint& ip) const
{
// if any component has a property set, then set it for the compound
shaderProperties result(false, false);
for(unsigned int i=0; i < _compound.size(); i++)
result |= _compound[i]->properties(ip);
// Done.
return result;
}
void compoundShader::_print(std::ostream& s) const
{
s << "Compound Shader (" << _compound.size() << " components): {";
for(unsigned int i=0; i < _compound.size(); i++)
{
s << *_compound[i];
if(i != _compound.size()-1) s << ", ";
}
s << "}";
}
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