#include "phongmaterial.h"
#include "texture.h"
#include "phongmodule.h"
#include <glm/ext.hpp>

#define TEX_ID 0

void PhongMaterial::updateShader()
{
    shader = PhongModule::getShader(diffuse_texture == NULL ? PhongModule::PHONG_COLOR : PhongModule::PHONG_TEXTURE);
}

void PhongMaterial::bindAttributes()
{
    shader->bind();
    shader->bindVec3(shader->getLocation("materialAmbient"), emission);
    shader->bindVec3(shader->getLocation("materialKd"), diffuse);
    shader->bindVec3(shader->getLocation("materialKs"), specular);
    shader->bindFloat(shader->getLocation("materialNs"), shininess);
    if(diffuse_texture != NULL)
    {
        diffuse_texture->bind(TEX_ID);
        shader->bindInteger(shader->getLocation("baseTexture"), TEX_ID);
    }
}

void PhongMaterial::crappyBindAttributes()
{
    glMaterialfv(GL_FRONT_AND_BACK, GL_EMISSION, glm::value_ptr(glm::vec4(emission, 1)));
    glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, glm::value_ptr(glm::vec4(diffuse, 1)));
    glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, glm::value_ptr(glm::vec4(specular, 1)));
    glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, shininess);
    if(diffuse_texture != NULL)
        diffuse_texture->bind(TEX_ID);
}

void PhongMaterial::setTexture(Texture* myTexture)
{
    diffuse_texture = myTexture;
    updateShader();
}