Example #1
0
    void configure(simulator::Simulation& simulation, const config::Configuration& config) override
    {
        const float px = 0.3;
        const auto filepath = config.buildFilePath(config.get("filename"));

        // SVG image
        NSVGimage* image = nsvgParseFromFile(filepath.string().c_str(), "px", 96);

        if (!image)
            throw RuntimeException("Cannot parse SVG");

        auto obstacle = simulation.buildObject("obstacle.Polygon");
        auto& shapes = obstacle->getMutableShapes();

        const auto size = Vector<float>(image->width, image->height);

        // Coordinate scale
        const auto scale = simulation.getWorldSize() / size;
        const auto offset = size * 0.5;

        // Foreach shapes
        for (NSVGshape* shape = image->shapes; shape != nullptr; shape = shape->next)
        {
            ShapeEdges oShape;

            // Foreach paths
            for (NSVGpath* path = shape->paths; path != nullptr; path = path->next)
            {
                storePath([&oShape, &offset, &scale] (Vector<float> vec) {
                    const auto v = (vec - offset) * scale * Vector<float>(1, -1);
                    if (oShape.edges.empty() ||
                        oShape.edges.back().distanceSquared(v).value() > 0.05)
                    {
                        oShape.edges.push_back(v);
                        Log::debug(v.getX(), "; ", v.getY());
                    }
                }, path, px * 1.5);
            }

            shapes.push_back(std::move(oShape));
        }

        obstacle->initShapes();
    }
Example #2
0
void Program::loadConfig(simulator::Simulation& simulation, const config::Configuration& config)
{
    if (config.has("filename"))
    {
        m_source.initFile(config.get("filename"));
    }
    else
    {
        m_source.initSource(config.getContent());
    }

    // Store function pointer
    m_call = m_source.getFunction("__call__");

    // Fallback
    if (!m_call)
        m_call = m_source.getFunction("call");

    if (!m_call)
        throw InvalidArgumentException("Python program doesn't have '__call__' or 'call' function");
}
Example #3
0
void Simulation::configure(const config::Configuration& config)
{
    // Resize world
    {
        auto size = config.get<SizeVector>("world-size");

        if (size.getWidth() == Zero || size.getHeight() == Zero)
            throw config::Exception("Width or height is zero!");

        setWorldSize(size);
    }

    // Time step
    setTimeStep(config.get<units::Time>("dt"));

    if (config.has("length-coefficient"))
    {
        m_converter.setLengthCoefficient(config.get<RealType>("length-coefficient"));
    }

    // Set gravity
    setGravity(config.get("gravity", getGravity()));

    // Number of iterations
    setIterations(config.get("iterations", getIterations()));

    // Background color
    setBackgroundColor(config.get("background", getBackgroundColor()));

#if CONFIG_RENDER_TEXT_ENABLE
    setFontColor(config.get("text-color", getBackgroundColor().inverted()));
#endif

#if CONFIG_RENDER_TEXT_ENABLE
    setFontSize(config.get("text-size", getFontSize()));
#endif

#if CONFIG_RENDER_TEXT_ENABLE
    setSimulationTimeRender(config.get("show-simulation-time", isSimulationTimeRender()));
#endif

#ifdef CECE_ENABLE_RENDER
    setVisualized(config.get("visualized", isVisualized()));
#endif

    // Parse plugins
    for (auto&& pluginConfig : config.getConfigurations("plugin"))
    {
        // Returns valid pointer or throws an exception
        requirePlugin(pluginConfig.get("name"))->configure(*this, pluginConfig);
    }

    // Parse parameters
    for (auto&& parameterConfig : config.getConfigurations("parameter"))
    {
        setParameter(parameterConfig.get("name"), units::parse(parameterConfig.get("value")));
    }

    // Register user types
    for (auto&& typeConfig : config.getConfigurations("type"))
    {
        addObjectType({
            typeConfig.get("name"),
            typeConfig.get("base"),
            typeConfig.toMemory()
        });
    }

    // Parse init
    for (auto&& initConfig : config.getConfigurations("init"))
    {
        const String typeName = initConfig.has("language")
            ? initConfig.get("language")
            : initConfig.get("type");

        auto initializer = getPluginContext().createInitializer(typeName);

        if (initializer)
        {
            // Configure initializer
            initializer->loadConfig(*this, initConfig);

            // Register initializer
            addInitializer(std::move(initializer));
        }
    }

    // Parse modules
    for (auto&& moduleConfig : config.getConfigurations("module"))
    {
        // Get name
        auto name = moduleConfig.get("name");

        if (hasModule(name))
            continue;

        const String typeName = moduleConfig.has("language")
            ? moduleConfig.get("language")
            : moduleConfig.has("type")
                ? moduleConfig.get("type")
                : name
        ;

        auto module = getPluginContext().createModule(typeName, *this);

        if (module)
        {
            module->loadConfig(*this, moduleConfig);

            addModule(std::move(name), std::move(module));
        }
    }

    // Parse programs
    for (auto&& programConfig : config.getConfigurations("program"))
    {
        const String typeName = programConfig.has("language")
            ? programConfig.get("language")
            : programConfig.get("type");

        auto program = getPluginContext().createProgram(typeName);

        if (program)
        {
            // Configure program
            program->loadConfig(*this, programConfig);

            // Register program
            addProgram(programConfig.get("name"), std::move(program));
        }
    }

    // Parse objects
    for (auto&& objectConfig : config.getConfigurations("object"))
    {
        // Create object
        auto object = buildObject(
            objectConfig.get("class"),
            objectConfig.get("type", object::Object::Type::Dynamic)
        );

        if (object)
            object->configure(objectConfig, *this);
    }

    if (config.has("data-out-objects-filename"))
    {
        m_dataOutObjects = makeUnique<OutFileStream>(config.get("data-out-objects-filename"));
        *m_dataOutObjects << "iteration;totalTime;id;typeName;posX;posY;velX;velY\n";
    }
}