Method readScene

SPlisHSPlasH/Utilities/SceneLoader.cpp:13–150

void SceneLoader::readScene(const char *fileName, Scene &scene)
{
	LOG_INFO << "Load scene file: " << fileName;

	std::ifstream input_file(fileName);
	if (!input_file.is_open())
	{
		LOG_ERR << "Cannot open file!";
		return;
	}
	try
	{
		m_jsonData = nlohmann::json::parse(input_file);
	}
	catch (const std::exception& e)
	{
		LOG_ERR << e.what();
		exit(1);
	}	

	std::string base_path = FileSystem::getFilePath(fileName);

	//////////////////////////////////////////////////////////////////////////
	// read configuration 
	//////////////////////////////////////////////////////////////////////////
	if (m_jsonData.find("Configuration") != m_jsonData.end())
	{
		nlohmann::json config = m_jsonData["Configuration"];

		scene.particleRadius = 0.025;
		readValue(config["particleRadius"], scene.particleRadius);

		scene.sim2D = false;
		readValue(config["sim2D"], scene.sim2D);
	}

	//////////////////////////////////////////////////////////////////////////
	// read boundary models
	//////////////////////////////////////////////////////////////////////////
	if (m_jsonData.find("RigidBodies") != m_jsonData.end())
	{
		nlohmann::json boundaryModels = m_jsonData["RigidBodies"];
		for (auto& boundaryModel : boundaryModels)
		{
			BoundaryParameterObject* data = new BoundaryParameterObject();
			data->initParameters();
			readParameterObject(boundaryModel, data);
			data->axis.normalize();
			if ((data->meshFile != "") || (data->samplesFile != ""))
				scene.boundaryModels.push_back(data);
			else
				delete data;
		}
	}


	//////////////////////////////////////////////////////////////////////////
	// read fluid models