private static BuildingDescription LoadBuilding(XmlReader reader)
        {
            var name            = reader.GetAttribute("Name") ?? "empty";
            var canExtractWater = Convert.ToBoolean(reader["CanExtractWater"] ?? "False");

            name = name[0].ToString().ToLower() + name.Substring(1);
            var nameID        = name + "Name";
            var descriptionID = name + "Description";
            var verbalStructureDescription = new VerbalStructureDescription(name, new TranslationKey(nameID), new TranslationKey(descriptionID));
            ConstructionInformation constructionInformation = null;
            ProductionInformation   productionInformation   = null;
            RenderInformation       renderInformation       = new RenderInformation(name + "Fill", name + "Border");
            Knowledge unlockCost = Knowledge.Zero;

            do
            {
                reader.Read();
                if (!reader.IsStartElement())
                {
                    continue;
                }
                switch (reader.Name)
                {
                case "ConstructionInformation":
                    constructionInformation = LoadConstructionInformation(reader);
                    break;

                case "ProductionInformation":
                    productionInformation = LoadProductionInformation(reader);
                    break;

                case "UnlockCost":
                    unlockCost = LoadUnlockCost(reader);
                    break;
                }
            }while (!(string.Equals(reader.Name, "Building") && !reader.IsStartElement()));
            return(new BuildingDescription(verbalStructureDescription, unlockCost, constructionInformation, productionInformation, renderInformation, canExtractWater));
        }
        private static ProductionInformation LoadProductionInformation(XmlReader reader)
        {
            float productionTime = Convert.ToSingle(reader[nameof(ProductionInformation.ProductionTime)], CultureInfo.InvariantCulture);
            List <ResourceTypeSource> ingredients = new List <ResourceTypeSource>();
            List <ResourceTypeSource> products    = new List <ResourceTypeSource>();
            EnvironmentResource       ingredientEnvironmentResource = new EnvironmentResource();
            EnvironmentResource       productsEnvironmentResource   = new EnvironmentResource();
            Knowledge producedKnowledge = Knowledge.Zero;

            do
            {
                reader.Read();

                if (reader.IsStartElement(nameof(ProductionInformation.Ingredients)))
                {
                    reader.Read();
                    reader.MoveToContent();
                    do
                    {
                        if (reader.Name == nameof(EnvironmentResource))
                        {
                            int winStep = Convert.ToInt32(reader["WinStep"] ?? "0", CultureInfo.InvariantCulture);
                            int o2      = Convert.ToInt32(reader["O2"] ?? "0", CultureInfo.InvariantCulture);
                            int energy  = Convert.ToInt32(reader["Energy"] ?? "0", CultureInfo.InvariantCulture);
                            ingredientEnvironmentResource = new EnvironmentResource(winStep, o2, energy);
                        }
                        else
                        {
                            var  resourceName       = reader.Name;
                            bool fromHexagon        = reader["Source"] == "Hexagon";
                            var  resourceType       = (ResourceType)Enum.Parse(typeof(ResourceType), resourceName);
                            var  resourceTypeSource = new ResourceTypeSource(resourceType, fromHexagon ? SourceType.Hexagon : SourceType.Network);
                            ingredients.Add(resourceTypeSource);
                        }
                        reader.Read();
                        reader.MoveToContent();
                    }while (reader.IsStartElement() || reader.Name != nameof(ProductionInformation.Ingredients));
                }
                else if (reader.IsStartElement(nameof(ProductionInformation.Products)))
                {
                    reader.Read();
                    reader.MoveToContent();
                    do
                    {
                        if (reader.Name == nameof(EnvironmentResource))
                        {
                            int winStep = Convert.ToInt32(reader["WinStep"] ?? "0", CultureInfo.InvariantCulture);
                            int o2      = Convert.ToInt32(reader["O2"] ?? "0", CultureInfo.InvariantCulture);
                            int energy  = Convert.ToInt32(reader["Energy"] ?? "0", CultureInfo.InvariantCulture);
                            productsEnvironmentResource = new EnvironmentResource(winStep, o2, energy);
                        }
                        else if (reader.Name == nameof(Knowledge))
                        {
                            int k1 = Convert.ToInt32(reader[nameof(Knowledge.Knowledge1)] ?? "0", CultureInfo.InvariantCulture);
                            int k2 = Convert.ToInt32(reader[nameof(Knowledge.Knowledge2)] ?? "0", CultureInfo.InvariantCulture);
                            int k3 = Convert.ToInt32(reader[nameof(Knowledge.Knowledge3)] ?? "0", CultureInfo.InvariantCulture);
                            producedKnowledge = new Knowledge(k1, k2, k3);
                        }
                        else
                        {
                            var  resourceName       = reader.Name;
                            bool fromHexagon        = Convert.ToBoolean(reader["FromHexagon"] ?? "False", CultureInfo.InvariantCulture);
                            var  resourceType       = (ResourceType)Enum.Parse(typeof(ResourceType), resourceName);
                            var  resourceTypeSource = new ResourceTypeSource(resourceType, fromHexagon ? SourceType.Hexagon : SourceType.Network);
                            products.Add(resourceTypeSource);
                        }
                        reader.Read();
                        reader.MoveToContent();
                    }while (reader.IsStartElement() || reader.Name != nameof(ProductionInformation.Products));
                }
            }while (reader.IsStartElement() || reader.Name != nameof(ProductionInformation));
            var productionInformation = new ProductionInformation(new IngredientsCollection(ingredientEnvironmentResource, ingredients.ToArray()), new ProductsCollection(productsEnvironmentResource, producedKnowledge, products.ToArray()), productionTime);

            return(productionInformation);
        }