shared_ptr<UniversalMaterial> UniversalMaterial::create(const std::string& name, const Specification& specification) {
MaterialCache& cache = _internal::materialCache();
shared_ptr<UniversalMaterial> value = cache[specification];
if (isNull(value)) {
// Construct the appropriate material
value.reset(new UniversalMaterial());
value->m_bsdf =
UniversalBSDF::create(
specification.loadLambertian(),
specification.loadGlossy(),
specification.loadTransmissive(),
specification.m_etaTransmit,
specification.m_extinctionTransmit,
specification.m_etaReflect,
specification.m_extinctionReflect);
value->m_depthWriteHintDistance = specification.m_depthWriteHintDistance;
value->m_customShaderPrefix = specification.m_customShaderPrefix;
value->m_refractionHint = specification.m_refractionHint;
value->m_mirrorHint = specification.m_mirrorHint;
// load emission map
value->m_emissive = specification.loadEmissive();
// load bump map
if (! specification.m_bump.texture.filename.empty()) {
value->m_bump = BumpMap::create(specification.m_bump);
}
value->m_name = name;
value->m_numLightMapDirections = specification.m_numLightMapDirections;
for (int i = 0; i < specification.m_numLightMapDirections; ++i) {
value->m_lightMap[i] = Component3(specification.m_lightMapConstant, specification.m_lightMap[i]);
}
// Update the cache
cache.set(specification, value);
value->computeDefines(value->m_macros);
}
return value;
}
