public static BinTreeObject Serialize <T>(MetaEnvironment environment, uint pathHash, T metaClass)
where T : IMetaClass
{
Type metaClassType = metaClass.GetType();
MetaClassAttribute metaClassAttribute = metaClassType.GetCustomAttribute(typeof(MetaClassAttribute)) as MetaClassAttribute;
if (metaClassAttribute is null)
{
throw new InvalidOperationException("The provided MetaClass does not have a MetaClass Attribute");
}
// Create Tree Properties for meta properties
List <BinTreeProperty> properties = new();
foreach (PropertyInfo propertyInfo in metaClassType.GetProperties())
{
BinTreeProperty treeProperty = ConvertPropertyToTreeProperty(environment, metaClass, propertyInfo);
if (treeProperty is not null)
{
properties.Add(treeProperty);
}
}
BinTreeObject treeObject = new BinTreeObject(metaClassAttribute.NameHash, pathHash, properties);
return(treeObject);
}
public static T Deserialize <T>(MetaEnvironment environment, BinTreeObject treeObject)
where T : IMetaClass
{
Type metaClassType = typeof(T);
MetaClassAttribute metaClassAttribute = metaClassType.GetCustomAttribute(typeof(MetaClassAttribute)) as MetaClassAttribute;
// Verify attribute
if (metaClassAttribute is null)
{
throw new InvalidOperationException("The provided MetaClass does not have a MetaClass Attribute");
}
if (metaClassAttribute.NameHash != treeObject.MetaClassHash)
{
throw new InvalidOperationException("Meta Class name does not match class name of treeObject");
}
// Create an instance of T and get its runtime type
T metaClassObject = Activator.CreateInstance <T>();
Type metaClassObjectType = metaClassObject.GetType();
// Assign values to the object properties
AssignMetaClassProperties(environment, metaClassObject, metaClassObjectType, treeObject.Properties);
// Registered the object in the environment for link resolving
environment.RegisterObject(treeObject.PathHash, metaClassObject);
return(metaClassObject);
}
// ------------ PROPERTY DESERIALIZATION ------------ \\
private static object DeserializeTreeProperty(MetaEnvironment environment, BinTreeProperty treeProperty, Type propertyType = null)
{
BinPropertyType treePropertyType = treeProperty.Type;
if (IsPrimitivePropertyType(treePropertyType))
{
return(FetchPrimitivePropertyValue(treeProperty));
}
else if (treePropertyType == BinPropertyType.Container || treePropertyType == BinPropertyType.UnorderedContainer)
{
return(DeserializeContainer(environment, propertyType, treeProperty as BinTreeContainer));
}
else if (treePropertyType == BinPropertyType.Structure)
{
return(DeserializeStructure(environment, treeProperty as BinTreeStructure));
}
else if (treePropertyType == BinPropertyType.Embedded)
{
return(DeserializeEmbedded(environment, treeProperty as BinTreeEmbedded));
}
else if (treePropertyType == BinPropertyType.Map)
{
return(DeserializeMap(environment, propertyType, treeProperty as BinTreeMap));
}
else if (treePropertyType == BinPropertyType.Optional)
{
return(DeserializeOptional(environment, propertyType, treeProperty as BinTreeOptional));
}
return(null);
}
private static object DeserializeOptional(MetaEnvironment environment, Type propertyType, BinTreeOptional optional)
{
bool isSome = optional.Value is not null;
object value = isSome ? DeserializeTreeProperty(environment, optional.Value) : GetTypeDefault(propertyType);
object optionalObject = Activator.CreateInstance(propertyType, new[] { value, isSome });
return(optionalObject);
}
// ------------ SERIALIZATION ------------ \\
private static BinTreeProperty ConvertPropertyToTreeProperty(MetaEnvironment environment, object metaClassObject, PropertyInfo propertyInfo)
{
MetaPropertyAttribute metaPropertyAttribute = propertyInfo.GetCustomAttribute(typeof(MetaPropertyAttribute)) as MetaPropertyAttribute;
if (metaPropertyAttribute is null)
{
throw new InvalidOperationException("The specified property does not have a MetaProperty Attribute");
}
object value = propertyInfo.GetValue(metaClassObject);
return(ConvertObjectToProperty(environment, metaPropertyAttribute.NameHash, value, propertyInfo.PropertyType));
}
private static object DeserializeContainer(MetaEnvironment environment, Type propertyType, BinTreeContainer container)
{
object containerList = Activator.CreateInstance(propertyType);
Type containerListType = containerList.GetType();
MethodInfo addMethod = containerListType.GetMethod("Add");
foreach (BinTreeProperty containerItem in container.Properties)
{
addMethod.Invoke(containerList, new[] { DeserializeTreeProperty(environment, containerItem) });
}
return(containerList);
}
private static object DeserializeStructure(MetaEnvironment environment, BinTreeStructure structure)
{
Type metaClassType = environment.FindMetaClass(structure.MetaClassHash);
if (metaClassType is null)
{
return(null); // Couldn't deserialize structure
}
object metaClassObject = Activator.CreateInstance(metaClassType);
AssignMetaClassProperties(environment, metaClassObject, metaClassObject.GetType(), structure.Properties);
return(metaClassObject);
}
private static object DeserializeEmbedded(MetaEnvironment environment, BinTreeEmbedded embedded)
{
Type metaClassType = environment.FindMetaClass(embedded.MetaClassHash);
if (metaClassType is null)
{
return(null); // Couldn't deserialize structure
}
Type embeddedWrapperType = typeof(MetaEmbedded <>).MakeGenericType(metaClassType);
object metaClassObject = Activator.CreateInstance(metaClassType);
AssignMetaClassProperties(environment, metaClassObject, metaClassObject.GetType(), embedded.Properties);
object embeddedWrapperObject = Activator.CreateInstance(embeddedWrapperType, new[] { metaClassObject });
return(embeddedWrapperObject);
}
// ------------ DESERIALIZATION ASSIGNMENT ------------ \\
private static void AssignMetaClassProperties(MetaEnvironment environment, object metaClassObject, Type metaClassType, ICollection <BinTreeProperty> treeProperties)
{
PropertyInfo[] properties = metaClassType.GetProperties();
foreach (PropertyInfo propertyInfo in properties)
{
MetaPropertyAttribute metaPropertyAttribute = propertyInfo.GetCustomAttribute(typeof(MetaPropertyAttribute)) as MetaPropertyAttribute;
// Ignore non-meta properties
if (metaPropertyAttribute is null)
{
continue;
}
// Find matching tree property
BinTreeProperty treeProperty = treeProperties.FirstOrDefault(x => x.NameHash == metaPropertyAttribute.NameHash);
if (treeProperty is not null) // Ignore missing properties
{
// Assign values to properties
AssignMetaProperty(environment, metaClassObject, propertyInfo, treeProperty);
}
}
}
private static object DeserializeMap(MetaEnvironment environment, Type propertyType, BinTreeMap map)
{
// Invalid key type
if (IsValidMapKey(map.KeyType) is false)
{
return(null);
}
object mapDictionary = Activator.CreateInstance(propertyType);
Type mapDictionaryType = mapDictionary.GetType();
MethodInfo addMethod = mapDictionaryType.GetMethod("Add");
foreach (var propertyPair in map.Map)
{
// Key types can only be primitive so we can fetch their value easily
object keyValue = FetchPrimitivePropertyValue(propertyPair.Key);
object valueValue = DeserializeTreeProperty(environment, propertyPair.Value);
addMethod.Invoke(mapDictionary, new[] { keyValue, valueValue });
}
return(mapDictionary);
}
public static BinTreeObject Serialize <T>(MetaEnvironment environment, string path, T metaClass)
where T : IMetaClass
{
return(Serialize(environment, Fnv1a.HashLower(path), metaClass));
}
private static BinTreeProperty ConvertObjectToProperty(MetaEnvironment environment, uint nameHash, object value, Type valueType)
{
// Handle primitives
if (value is null)
{
return(null);
}
else if (valueType == typeof(bool?))
{
return(new BinTreeBool(null, nameHash, (bool)value));
}
else if (valueType == typeof(sbyte?))
{
return(new BinTreeSByte(null, nameHash, (sbyte)value));
}
else if (valueType == typeof(byte?))
{
return(new BinTreeByte(null, nameHash, (byte)value));
}
else if (valueType == typeof(short?))
{
return(new BinTreeInt16(null, nameHash, (short)value));
}
else if (valueType == typeof(ushort?))
{
return(new BinTreeUInt16(null, nameHash, (ushort)value));
}
else if (valueType == typeof(int?))
{
return(new BinTreeInt32(null, nameHash, (int)value));
}
else if (valueType == typeof(uint?))
{
return(new BinTreeUInt32(null, nameHash, (uint)value));
}
else if (valueType == typeof(long?))
{
return(new BinTreeInt64(null, nameHash, (long)value));
}
else if (valueType == typeof(ulong?))
{
return(new BinTreeUInt64(null, nameHash, (ulong)value));
}
else if (valueType == typeof(float?))
{
return(new BinTreeFloat(null, nameHash, (float)value));
}
else if (valueType == typeof(Vector2?))
{
return(new BinTreeVector2(null, nameHash, (Vector2)value));
}
else if (valueType == typeof(Vector3?))
{
return(new BinTreeVector3(null, nameHash, (Vector3)value));
}
else if (valueType == typeof(Vector4?))
{
return(new BinTreeVector4(null, nameHash, (Vector4)value));
}
else if (valueType == typeof(Matrix4x4?))
{
return(new BinTreeMatrix44(null, nameHash, (Matrix4x4)value));
}
else if (valueType == typeof(Color?))
{
return(new BinTreeColor(null, nameHash, (Color)value));
}
else if (valueType == typeof(string))
{
return(new BinTreeString(null, nameHash, (string)value));
}
else if (valueType == typeof(MetaHash?))
{
return(new BinTreeHash(null, nameHash, (MetaHash)value));
}
else if (valueType == typeof(MetaWadEntryLink?))
{
return(new BinTreeWadEntryLink(null, nameHash, (MetaWadEntryLink)value));
}
else if (valueType == typeof(MetaObjectLink?))
{
return(new BinTreeObjectLink(null, nameHash, (MetaObjectLink)value));
}
else if (valueType == typeof(MetaBitBool?))
{
return(new BinTreeBitBool(null, nameHash, (MetaBitBool)value));
}
else
{
// Handle complex types
if (valueType.IsGenericType)
{
Type genericTypeDefinition = valueType.GetGenericTypeDefinition();
if (genericTypeDefinition == typeof(Dictionary <,>))
{
return(CreateMapProperty(environment, nameHash, valueType.GenericTypeArguments[0], valueType.GenericTypeArguments[1], value as IDictionary));
}
else if (genericTypeDefinition == typeof(MetaUnorderedContainer <>))
{
return(CreateUnorderedContainerProperty(environment, nameHash, valueType.GenericTypeArguments[0], value as IEnumerable));
}
else if (genericTypeDefinition == typeof(MetaContainer <>))
{
return(CreateContainerProperty(environment, nameHash, valueType.GenericTypeArguments[0], value as IEnumerable));
}
else if (genericTypeDefinition == typeof(MetaOptional <>))
{
return(CreateOptionalProperty(environment, nameHash, valueType.GenericTypeArguments[0], value as IMetaOptional));
}
else if (genericTypeDefinition == typeof(MetaEmbedded <>))
{
return(CreateEmbeddedProperty(environment, nameHash, valueType.GenericTypeArguments[0], value as IMetaEmbedded));
}
else
{
return(null);
}
}
else
{
// Check if we're dealing with a Structure type
if (valueType.IsValueType is false && valueType.GetInterface(nameof(IMetaClass)) is not null)
{
return(CreateStructureProperty(environment, value, nameHash));
}
private static void AssignMetaProperty(MetaEnvironment environment, object metaClassObject, PropertyInfo propertyInfo, BinTreeProperty treeProperty)
{
propertyInfo.SetValue(metaClassObject, DeserializeTreeProperty(environment, treeProperty, propertyInfo.PropertyType));
}