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);
}
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);
}
/// <summary>
/// Serializes an inline array.
/// </summary>
/// <param name="context">The serialization context to use.</param>
/// <param name="tagStream">The stream to write completed blocks of tag data to.</param>
/// <param name="block">The temporary block to write incomplete tag data to.</param>
/// <param name="data">The array.</param>
/// <param name="valueInfo">Information about the value. Can be <c>null</c>.</param>
private static void SerializeInlineArray(ISerializationContext context, MemoryStream tagStream, IDataBlock block, Array data, TagElementAttribute valueInfo)
{
if (valueInfo == null || valueInfo.Count == 0)
{
throw new ArgumentException("Cannot serialize an inline array with no count set");
}
if (data == null || data.Length != valueInfo.Count)
{
throw new ArgumentException("Array length does not match the fixed count of " + valueInfo.Count);
}
// Serialize each element into the current block
var elementType = data.GetType().GetElementType();
foreach (var elem in data)
{
SerializeValue(context, tagStream, block, elem, null, elementType);
}
}
/// <summary>
/// Serializes a complex value.
/// </summary>
/// <param name="context">The serialization context to use.</param>
/// <param name="tagStream">The stream to write completed blocks of tag data to.</param>
/// <param name="block">The temporary block to write incomplete tag data to.</param>
/// <param name="val">The value.</param>
/// <param name="valueInfo">Information about the value. Can be <c>null</c>.</param>
/// <param name="valueType">Type of the value.</param>
private static void SerializeComplexValue(ISerializationContext context, MemoryStream tagStream, IDataBlock block, object val, TagElementAttribute valueInfo, Type valueType)
{
if (valueInfo != null && ((valueInfo.Flags & TagElementFlags.Indirect) != 0 || valueType == typeof(ResourceReference)))
{
SerializeIndirectValue(context, tagStream, block, val, valueType);
}
else if (valueType.IsEnum)
{
SerializePrimitiveValue(block.Writer, val, valueType.GetEnumUnderlyingType());
}
else if (valueType == typeof(string))
{
SerializeString(block.Writer, (string)val);
}
else if (valueType == typeof(HaloTag))
{
SerializeTagReference(block.Writer, (HaloTag)val);
}
else if (valueType == typeof(ResourceAddress))
{
block.Writer.Write(((ResourceAddress)val).Value);
}
else if (valueType == typeof(byte[]))
{
SerializeDataReference(tagStream, block, (byte[])val);
}
else if (valueType == typeof(Vector2))
{
SerializeVector(block, (Vector2)val);
}
else if (valueType == typeof(Vector3))
{
SerializeVector(block, (Vector3)val);
}
else if (valueType == typeof(Vector4))
{
SerializeVector(block, (Vector4)val);
}
else if (valueType.IsArray)
{
SerializeInlineArray(context, tagStream, block, (Array)val, valueInfo);
}
else if (valueType.IsGenericType && valueType.GetGenericTypeDefinition() == typeof(List <>))
{
SerializeTagBlock(context, tagStream, block, val, valueType);
}
else
{
SerializeStruct(context, tagStream, block, val);
}
}
/// <summary>
/// Serializes a value.
/// </summary>
/// <param name="context">The serialization context to use.</param>
/// <param name="tagStream">The stream to write completed blocks of tag data to.</param>
/// <param name="block">The temporary block to write incomplete tag data to.</param>
/// <param name="val">The value.</param>
/// <param name="valueInfo">Information about the value. Can be <c>null</c>.</param>
/// <param name="valueType">Type of the value.</param>
private static void SerializeValue(ISerializationContext context, MemoryStream tagStream, IDataBlock block, object val, TagElementAttribute valueInfo, Type valueType)
{
// Call the data block's PreSerialize callback to determine if the value should be mutated
val = block.PreSerialize(valueInfo, val);
if (val != null)
{
valueType = val.GetType(); // TODO: Fix hax
}
if (valueType.IsPrimitive)
{
SerializePrimitiveValue(block.Writer, val, valueType);
}
else
{
SerializeComplexValue(context, tagStream, block, val, valueInfo, valueType);
}
}
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;
}
/// <summary>
/// Deserializes an inline array.
/// </summary>
/// <param name="reader">The reader.</param>
/// <param name="context">The serialization context to use.</param>
/// <param name="valueInfo">The value information. Can be <c>null</c>.</param>
/// <param name="valueType">The type of the value to deserialize.</param>
/// <returns>The deserialized array.</returns>
private static Array DeserializeInlineArray(BinaryReader reader, ISerializationContext context, TagElementAttribute valueInfo, Type valueType)
{
if (valueInfo == null || valueInfo.Count == 0)
{
throw new ArgumentException("Cannot deserialize an inline array with no count set");
}
// Create the array and read the elements in order
var elementCount = valueInfo.Count;
var elementType = valueType.GetElementType();
var result = Array.CreateInstance(elementType, elementCount);
for (var i = 0; i < elementCount; i++)
{
result.SetValue(DeserializeValue(reader, context, null, elementType), i);
}
return(result);
}
/// <summary>
/// Deserializes a complex value.
/// </summary>
/// <param name="reader">The reader.</param>
/// <param name="context">The serialization context to use.</param>
/// <param name="valueInfo">The value information. Can be <c>null</c>.</param>
/// <param name="valueType">The type of the value to deserialize.</param>
/// <returns>The deserialized value.</returns>
private static object DeserializeComplexValue(BinaryReader reader, ISerializationContext context, TagElementAttribute valueInfo, Type valueType)
{
// Indirect objects
// TODO: Remove ResourceReference hax, the Indirect flag wasn't available when I generated the tag structures
if (valueInfo != null && ((valueInfo.Flags & TagElementFlags.Indirect) != 0 || valueType == typeof(ResourceReference)))
{
return(DeserializeIndirectValue(reader, context, valueType));
}
// enum = Enum type
if (valueType.IsEnum)
{
return(DeserializePrimitiveValue(reader, valueType.GetEnumUnderlyingType()));
}
// string = ASCII string
if (valueType == typeof(string))
{
return(DeserializeString(reader));
}
// HaloTag = Tag reference
if (valueType == typeof(HaloTag))
{
return(DeserializeTagReference(reader, context));
}
// ResourceAddress = Resource address
if (valueType == typeof(ResourceAddress))
{
return(new ResourceAddress(reader.ReadUInt32()));
}
// Byte array = Data reference
// TODO: Allow other types to be in data references, since sometimes they can point to a structure
if (valueType == typeof(byte[]))
{
return(DeserializeDataReference(reader, context));
}
// Vector types
if (valueType == typeof(Vector2))
{
return(new Vector2(reader.ReadSingle(), reader.ReadSingle()));
}
if (valueType == typeof(Vector3))
{
return(new Vector3(reader.ReadSingle(), reader.ReadSingle(), reader.ReadSingle()));
}
if (valueType == typeof(Vector4))
{
return(new Vector4(reader.ReadSingle(), reader.ReadSingle(), reader.ReadSingle(), reader.ReadSingle()));
}
// Non-byte array = Inline array
// TODO: Define more clearly in general what constitutes a data reference and what doesn't
if (valueType.IsArray)
{
return(DeserializeInlineArray(reader, context, valueInfo, valueType));
}
// List = Tag block
if (valueType.IsGenericType && valueType.GetGenericTypeDefinition() == typeof(List <>))
{
return(DeserializeTagBlock(reader, context, valueType));
}
// Assume the value is a structure
return(DeserializeStruct(reader, context, valueType));
}
/// <summary>
/// Deserializes a value.
/// </summary>
/// <param name="reader">The reader.</param>
/// <param name="context">The serialization context to use.</param>
/// <param name="valueInfo">The value information. Can be <c>null</c>.</param>
/// <param name="valueType">The type of the value to deserialize.</param>
/// <returns>The deserialized value.</returns>
private static object DeserializeValue(BinaryReader reader, ISerializationContext context, TagElementAttribute valueInfo, Type valueType)
{
if (valueType.IsPrimitive)
{
return(DeserializePrimitiveValue(reader, valueType));
}
return(DeserializeComplexValue(reader, context, valueInfo, valueType));
}