public object PreSerialize(TagElementAttribute info, object obj)
{
if (obj == null)
return null;
// When serializing a resource address, just add a fixup for it and serialize a null pointer
if (obj is ResourceAddress)
{
_fixups.Add(MakeDefinitionFixup((ResourceAddress)obj));
return 0U;
}
var type = obj.GetType();
if (type.IsGenericType && type.GetGenericTypeDefinition() == typeof(D3DPointer<>))
{
// Add a D3D fixup for D3DPointers based on the type of object being pointed to
var d3dType = GetD3DObjectType(type.GenericTypeArguments[0]);
_d3dFixups.Add(MakeD3DFixup((uint)Stream.Position, d3dType));
}
return obj;
}
public object PreSerialize(TagElementAttribute info, object obj)
{
if (obj == null)
return null;
// Get the object type and make sure it's supported
var type = obj.GetType();
if (type == typeof(ResourceDataReference) || (type.IsGenericType && type.GetGenericTypeDefinition() == typeof(D3DPointer<>)))
throw new InvalidOperationException(type + " cannot be serialized as tag data");
if (type == typeof(HaloTag))
{
// Object is a tag reference - add it as a dependency
var referencedTag = obj as HaloTag;
if (referencedTag != null)
_context._dependencies.Add(referencedTag.Index);
}
return obj;
}