Method export_environment

libraries/lib-engine/src/scene.cpp:147–236

}

void scene::export_environment(const std::string & export_path)
{
    manual_timer t;
    t.start();

    json scene_json;

    for (const auto & [e, obj] : graph.graph_objects)
    {
        if (!obj.serializable) continue;

        json entity_json;

        // Serialize identifier (name)
        if (!obj.name.empty())
        {
            entity_json["@identifier_component"] = json{{"id", obj.name}};
        }

        // Serialize transform
        if (auto * xform = const_cast<base_object &>(obj).get_component<transform_component>())
        {
            json xform_json;
            xform_json["local_pose"] = xform->local_pose;
            xform_json["local_scale"] = xform->local_scale;

            // Get parent from scene graph
            entity parent = graph.get_parent(e);
            if (parent != kInvalidEntity)
            {
                xform_json["parent"] = parent.as_string();
            }
            else
            {
                xform_json["parent"] = "";
            }

            entity_json["@local_transform_component"] = xform_json;
        }

        // Serialize mesh_component
        if (auto * mesh = const_cast<base_object &>(obj).get_component<mesh_component>())
        {
            entity_json["@mesh_component"] = *mesh;
        }

        // Serialize material_component
        if (auto * mat = const_cast<base_object &>(obj).get_component<material_component>())
        {
            entity_json["@material_component"] = *mat;
        }

        // Serialize geometry_component
        if (auto * geom = const_cast<base_object &>(obj).get_component<geometry_component>())
        {
            entity_json["@geometry_component"] = *geom;
        }