// Returns a SerializationData a Serializer can use to save the state
// of the object to an Xml file
public SerializationData GetSerializationData(Serializer Serializer, XmlWriter Writer)
{
// Create a new SerializationData
SerializationData data = new SerializationData(Serializer, Writer);
// Add the basic Component values
data.AddData("Component.DrawOrder", DrawOrder);
data.AddData("Component.ParentScreen", Parent.Name);
data.AddData("Component.Visible", Visible);
data.AddData("Component.Name", this.Name);
// Tell serializer that it will need to know the type of component
data.AddDependency(this.GetType());
// Construct a ServiceData
ServiceData sd = new ServiceData();
// If this object is a service, find out what the provider type is
// (the type used to look up the services)
Type serviceType;
if (Engine.Services.IsService(this, out serviceType))
{
// Tell serializer about provider type
data.AddDependency(serviceType);
// Set data to ServiceData
sd.IsService = true;
sd.Type = serviceType.FullName;
}
// Add the ServiceData to the SerializationData
data.AddData("Component.ServiceData", sd);
// Call the overridable function that allows components to provide data
SaveSerializationData(data);
return data;
}
// Save the current state of the engine to file
public static void SerializeState(string Filename)
{
// Get the start time
DateTime startTime = DateTime.Now;
// Create an XmlWriter
XmlWriterSettings set = new XmlWriterSettings();
set.Indent = true;
XmlWriter writer = XmlWriter.Create(new FileStream(Filename, FileMode.Create), set);
// Create Serializer
Serializer s = new Serializer();
// Write start of document including root node and save time
writer.WriteStartDocument();
writer.WriteStartElement("EngineState");
writer.WriteAttributeString("Time", startTime.ToString());
s.WriteGameScreens(writer);
writer.WriteStartElement("Components");
// Serialize components
foreach (GameScreen gameScreen in GameScreens)
foreach (Component component in gameScreen.Components)
if (component.Serialize)
{
writer.WriteStartElement(component.GetType().FullName);
s.Serialize(writer, component.GetSerializationData(s, writer));
writer.WriteEndElement();
}
writer.WriteEndElement();
s.WriteDependencies(writer);
writer.WriteEndElement();
writer.WriteEndDocument();
writer.Close();
DateTime stopTime = DateTime.Now;
TimeSpan elapsedTime = stopTime - startTime;
}