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#ifndef MATERIAL_H
#define MATERIAL_H
#ifdef HAVE_LIBGLM
#include <iostream>
#include <fstream>
#include "common.h"
#include "triple.h"
#include <glm/glm.hpp>
namespace camp {
inline bool operator < (const glm::vec4& m1, const glm::vec4& m2) {
return m1[0] < m2[0] ||
(m1[0] == m2[0] &&
(m1[1] < m2[1] ||
(m1[1] == m2[1] &&
(m1[2] < m2[2] ||
(m1[2] == m2[2] &&
(m1[3] < m2[3]))))));
}
inline glm::vec4 GLparameters(GLfloat shininess, GLfloat metallic,
GLfloat fresnel0) {
return glm::vec4(shininess,metallic,fresnel0,0.0);
}
inline ostream& operator << (ostream& out, const glm::vec4& v)
{
out << "[" << v[0] << "," << v[1] << "," << v[2] << "," << v[3]
<< "]";
return out;
}
struct Material {
public:
glm::vec4 diffuse,emissive,specular;
glm::vec4 parameters;
Material() {}
Material(const glm::vec4& diffuse, const glm::vec4& emissive,
const glm::vec4& specular, double shininess, double metallic, double fresnel0) :
diffuse(diffuse), emissive(emissive), specular(specular),
parameters(GLparameters(shininess,metallic,fresnel0)) {}
Material(Material const& m):
diffuse(m.diffuse), emissive(m.emissive),
specular(m.specular), parameters(m.parameters) {}
~Material() {}
Material& operator=(Material const& m)
{
diffuse=m.diffuse;
emissive=m.emissive;
specular=m.specular;
parameters=m.parameters;
return *this;
}
friend bool operator < (const Material& m1, const Material& m2) {
return m1.diffuse < m2.diffuse ||
(m1.diffuse == m2.diffuse &&
(m1.emissive < m2.emissive ||
(m1.emissive == m2.emissive &&
(m1.specular < m2.specular ||
(m1.specular == m2.specular &&
(m1.parameters < m2.parameters))))));
}
friend ostream& operator << (ostream& out, const Material& m) {
out << "diffuse=" << m.diffuse << "," << newl
<< "emissive=" << m.emissive << "," << newl
<< "specular=" << m.specular << "," << newl
<< "shininess=" << m.parameters[0] << "," << newl
<< "metallic=" << m.parameters[1] << "," << newl
<< "fresnel0=" << m.parameters[2] << newl;
return out;
}
};
extern size_t Nmaterials; // Number of materials compiled in shader
extern size_t nmaterials; // Current size of materials buffer
extern size_t Maxmaterials; // Maxinum size of materials buffer
}
#endif
#endif
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