internal static BaseProperty ReadAsObject(PackageReader reader, FPropertyTag tag, FName type, ReadType readType)
{
BaseProperty prop = type.String switch
{
"ByteProperty" => new ByteProperty(reader, tag, readType),
"BoolProperty" => new BoolProperty(reader, tag, readType),
"IntProperty" => new IntProperty(reader),
"FloatProperty" => new FloatProperty(reader),
"ObjectProperty" => new ObjectProperty(reader),
"NameProperty" => new NameProperty(reader),
"DelegateProperty" => new DelegateProperty(reader),
"DoubleProperty" => new DoubleProperty(reader),
"ArrayProperty" => new ArrayProperty(reader, tag),
"StructProperty" => new StructProperty(reader, tag),
"StrProperty" => new StrProperty(reader),
"TextProperty" => new TextProperty(reader),
"InterfaceProperty" => new InterfaceProperty(reader),
//"MulticastDelegateProperty" => new MulticastDelegateProperty(reader, tag),
//"LazyObjectProperty" => new LazyObjectProperty(reader, tag),
"SoftObjectProperty" => new SoftObjectProperty(reader, readType),
"AssetObjectProperty" => new SoftObjectProperty(reader, readType),
"UInt64Property" => new UInt64Property(reader),
"UInt32Property" => new UInt32Property(reader),
"UInt16Property" => new UInt16Property(reader),
"Int64Property" => new Int64Property(reader),
"Int16Property" => new Int16Property(reader),
"Int8Property" => new Int8Property(reader),
"MapProperty" => new MapProperty(reader, tag),
"SetProperty" => new SetProperty(reader, tag),
"EnumProperty" => new EnumProperty(reader),
_ => null, //throw new NotImplementedException($"Parsing of {type.String} types aren't supported yet."),
};
return(prop);
}
// https://github.com/EpicGames/UnrealEngine/blob/bf95c2cbc703123e08ab54e3ceccdd47e48d224a/Engine/Source/Runtime/CoreUObject/Private/UObject/PropertySet.cpp#L216
internal SetProperty(PackageReader reader, FPropertyTag tag)
{
var NumKeysToRemove = reader.ReadInt32();
if (NumKeysToRemove != 0)
{
// Let me know if you find a package that has a non-zero NumKeysToRemove value
throw new NotImplementedException("Parsing of non-zero NumKeysToRemove sets aren't supported yet.");
}
var NumEntries = reader.ReadInt32();
Value = new BaseProperty[NumEntries];
for (int i = 0; i < NumEntries; i++)
{
Value[i] = ReadProperty(reader, tag, tag.InnerType, ReadType.ARRAY);
}
}
internal ArrayProperty(PackageReader reader, FPropertyTag tag)
{
int length = reader.ReadInt32();
Value = new BaseProperty[length];
FPropertyTag InnerTag = default;
// Execute if UE4 version is at least VER_UE4_INNER_ARRAY_TAG_INFO
if (tag.InnerType.String == "StructProperty")
{
// Serialize a PropertyTag for the inner property of this array, allows us to validate the inner struct to see if it has changed
InnerTag = new FPropertyTag(reader);
}
for (int i = 0; i < length; i++)
{
Value[i] = ReadProperty(reader, InnerTag, tag.InnerType, ReadType.ARRAY);
}
}
// https://github.com/EpicGames/UnrealEngine/blob/7d9919ac7bfd80b7483012eab342cb427d60e8c9/Engine/Source/Runtime/CoreUObject/Private/UObject/PropertyMap.cpp#L243
internal MapProperty(PackageReader reader, FPropertyTag tag)
{
Position = reader.Position;
var NumKeysToRemove = reader.ReadInt32();
if (NumKeysToRemove != 0)
{
// Let me know if you find a package that has a non-zero NumKeysToRemove value
throw new NotImplementedException("Parsing of non-zero NumKeysToRemove maps aren't supported yet.");
}
var NumEntries = reader.ReadInt32();
var dict = new Dictionary <object, object>(NumEntries);
for (int i = 0; i < NumEntries; i++)
{
dict[ReadAsValue(reader, tag, tag.InnerType, ReadType.MAP)] = BaseProperty.ReadAsObject(reader, tag, tag.ValueType, ReadType.MAP);
}
Value = dict;
}
internal static BaseProperty ReadProperty(PackageReader reader, FPropertyTag tag, FName type, ReadType readType)
{
BaseProperty prop = type.String switch
{
"ByteProperty" => new ByteProperty(reader, tag, readType),
"BoolProperty" => new BoolProperty(reader, tag, readType),
"IntProperty" => new IntProperty(reader, tag),
"FloatProperty" => new FloatProperty(reader, tag),
"ObjectProperty" => new ObjectProperty(reader, tag),
"NameProperty" => new NameProperty(reader, tag),
"DelegateProperty" => new DelegateProperty(reader, tag),
"DoubleProperty" => new DoubleProperty(reader, tag),
"ArrayProperty" => new ArrayProperty(reader, tag),
"StructProperty" => new StructProperty(reader, tag),
// No code in UE4 source despite these being technically serializable properties
//"VectorProperty" => new VectorProperty(reader, tag),
//"RotatorProperty" => new RotatorProperty(reader, tag),
"StrProperty" => new StrProperty(reader, tag),
"TextProperty" => new TextProperty(reader, tag),
"InterfaceProperty" => new InterfaceProperty(reader, tag),
"MulticastDelegateProperty" => new MulticastDelegateProperty(reader, tag),
"LazyObjectProperty" => new LazyObjectProperty(reader, tag),
"SoftObjectProperty" => new SoftObjectProperty(reader, tag, readType),
"UInt64Property" => new UInt64Property(reader, tag),
"UInt32Property" => new UInt32Property(reader, tag),
"UInt16Property" => new UInt16Property(reader, tag),
"Int64Property" => new Int64Property(reader, tag),
"Int16Property" => new Int16Property(reader, tag),
"Int8Property" => new Int8Property(reader, tag),
"MapProperty" => new MapProperty(reader, tag),
"SetProperty" => new SetProperty(reader, tag),
"EnumProperty" => new EnumProperty(reader, tag),
_ => null, //throw new NotImplementedException($"Parsing of {type.String} types aren't supported yet."),
};
return(prop);
}