/// <summary>
/// Deserializes a given XElement into an entity, with the optional parent
/// </summary>
/// <param name="element">The xml element to derserialize into an entity</param>
/// <param name="parent">The parent of the entity if any</param>
/// <remarks>The method uses recursion to deserialize any children</remarks>
/// <returns>The Deserialized version of the entity provided in the XElement</returns>
private Entity DeserializeSceneEntity(XElement element, Entity parent = null)
{
Entity entity = new Entity(parent);
entity.Name = element.Attribute(nameof(entity.Name))?.Value;
string guidAttribute = element.Attribute(nameof(entity.GUID))?.Value;
Guid guid;
if (guidAttribute != null && Guid.TryParse(guidAttribute, out guid))
{
entity.GUID = guid;
}
else
{
entity.GUID = Guid.NewGuid();
}
IEnumerable <XElement> behaviours = element.Element("Components")?.Elements();
if (behaviours != null)
{
foreach (XElement behaviourElement in behaviours)
{
BehaviourComponent behaviour =
BehaviourFactory.CreateWithName(behaviourElement.Name.LocalName, entity);
if (behaviour != null)
{
behaviour.Deserialize(behaviourElement);
entity.Components.Add(behaviour);
}
}
}
IEnumerable <XElement> children = element.Element("Children")?.Elements();
if (children != null)
{
foreach (XElement childElement in children)
{
Entity childEntity = DeserializeSceneEntity(childElement, entity);
entity.Children.Add(childEntity);
}
}
return(entity);
}
