private static SHUnionPropertyCache GetCachedProperties(Type type)
{
if (PropertyCache.ContainsKey(type))
{
return(PropertyCache[type]);
}
var x = new SHUnionPropertyCache
{
TypeProperty = type.GetProperty("Type"),
ValueProperty = type.GetProperty("Value")
};
PropertyCache.Add(type, x);
return(x);
}
/// <inheritdoc />
public object Deserialize(BinaryReader reader, ControllerSerializationContext serializationContext)
{
long dataSize = reader.BaseStream.Length - reader.BaseStream.Position;
SHUnionPropertyCache propertyCache = GetCachedProperties(serializationContext.Type);
Type[] typeArgs = serializationContext.Type.GetGenericArguments();
// Using size of data to determine which of the SHUnion generic type arguments to use.
Type valueType = typeArgs.FirstOrDefault(type => Marshal.SizeOf(type) == dataSize);
if (valueType == null)
{
throw new SilentHunterParserException($"The available stream data does not match the size one of the two union types for property '{serializationContext.Name}'.");
}
object union = Activator.CreateInstance(serializationContext.Type);
propertyCache.TypeProperty.SetValue(union, valueType, null);
propertyCache.ValueProperty.SetValue(union, reader.ReadStruct(valueType), null);
return(union);
}
/// <inheritdoc />
public void Serialize(BinaryWriter writer, ControllerSerializationContext serializationContext, object value)
{
SHUnionPropertyCache propertyCache = GetCachedProperties(serializationContext.Type);
writer.WriteStruct(propertyCache.ValueProperty.GetValue(value, null));
}
