bool Material::isCompatible(const Material& other) const
{
if (this == &other)
return true;
// compatible, if using the same textures, or one uses textures and the
// other doesn't, or both don't use any textures at all
if (hasDiffuseTexture() && other.hasDiffuseTexture()) {
if (getDiffuseTexture() != other.getDiffuseTexture())
return false;
}
if (hasSpecularTexture() && other.hasSpecularTexture()) {
if (getSpecularTexture() != other.getSpecularTexture())
return false;
}
if (hasEmissiveTexture() && other.hasEmissiveTexture()) {
if (getEmissiveTexture() != other.getEmissiveTexture())
return false;
}
if (hasGlossyTexture() && other.hasGlossyTexture()) {
if (getGlossyTexture() != other.getGlossyTexture())
return false;
}
if (hasAlphaTexture() && other.hasAlphaTexture()) {
if (getAlphaTexture() != other.getAlphaTexture())
return false;
}
if (hasNormalTexture() && other.hasNormalTexture()) {
if (getNormalTexture() != other.getNormalTexture())
return false;
}
if (hasAmbientTexture() && other.hasAmbientTexture()) {
if (getAmbientTexture() != other.getAmbientTexture())
return false;
}
return true;
}
std::vector<const Image *> Material::getTextures() const
{
std::vector<const Image *> textures = {getDiffuseTexture(), getNormalTexture()};
return textures;
}