public void Deserialize(BinaryReader reader)
{
Type = (Types)reader.ReadByte();
switch (Type)
{
case Types.Null:
break;
case Types.InternalLink:
case Types.UUIDRef:
GUID = BaseGGUUID.FromData(reader);
break;
case Types.ExternalLink:
case Types.StreamingRef:
GUID = BaseGGUUID.FromData(reader);
// This could be a Filename instance - no way to determine the type
ExternalFile.Deserialize(reader);
break;
default:
throw new NotImplementedException();
}
}
public static HwShader FromData(BinaryReader reader, GameType gameType)
{
var shader = new HwShader();
// shaderDataLength is discarded
uint shaderDataLength = reader.ReadUInt32();
shader.ResourceDataHash = BaseGGUUID.FromData(reader);
shader.Unknown1 = reader.ReadUInt32();
shader.TypeMask = (BaseProgramTypeMask)reader.ReadUInt32();
shader.Unknown2 = reader.ReadUInt32();// Related to type mask
// Horizon Zero Dawn has it hardcoded for some reason
uint shaderEntryCount = gameType switch
{
GameType.DS => reader.ReadUInt32(),
GameType.HZD => 4,
_ => throw new NotImplementedException(),
};
shader.Programs = new List <ProgramEntry>((int)shaderEntryCount);
for (uint i = 0; i < shaderEntryCount; i++)
{
shader.Programs.Add(ProgramEntry.FromData(reader, gameType));
}
uint rootSignatureDataLength = reader.ReadUInt32();
shader.RootSignatureData = reader.ReadBytesStrict(rootSignatureDataLength);
return(shader);
}
public static GUIDTableContainer FromData(SaveState state)
{
var container = new GUIDTableContainer();
// Why do they try to keep GUID allocations balanced across 256 tables? I don't see the point
for (int i = 0; i < HardcodedTableCount; i++)
{
int guidCount = state.ReadVariableLengthOffset();
for (int j = 0; j < guidCount; j++)
{
container._tables[i].Add(BaseGGUUID.FromData(state.Reader));
}
}
return(container);
}
public static HwIndexArray FromData(BinaryReader reader, GameType gameType)
{
var array = new HwIndexArray();
uint indexElementCount = reader.ReadUInt32();
if (indexElementCount > 0)
{
array.Flags = reader.ReadUInt32();
var format = (BaseIndexFormat)reader.ReadUInt32();
var streamingMode = (BaseRenderDataStreamingMode)reader.ReadUInt32();
array.ResourceDataHash = BaseGGUUID.FromData(reader);
array.Buffer = HwBuffer.FromIndexData(reader, gameType, format, streamingMode, indexElementCount);
}
return(array);
}
public BaseGGUUID ReadIndexedGUID()
{
if (SaveVersion < 26)
{
// Inline read of 16 bytes
return(BaseGGUUID.FromData(Reader));
}
// GUID pool lookup
short value = Reader.ReadInt16();
if (value == -1)
{
return(BaseGGUUID.Empty);
}
int index = (value >> 8) & 0xFF;
int offset = value & 0xFF;
return(_GUIDPool.LookupGUID(index, offset));
}
public static HwVertexArray FromData(BinaryReader reader, GameType gameType)
{
var array = new HwVertexArray();
array.VertexCount = reader.ReadUInt32();
uint streamCount = reader.ReadUInt32();
array.StreamingMode = (BaseRenderDataStreamingMode)reader.ReadByte();
array.Streams = new List <VertexStream>((int)streamCount);
for (uint i = 0; i < streamCount; i++)
{
uint flags = reader.ReadUInt32();
uint byteStride = reader.ReadUInt32();
uint elementDescCount = reader.ReadUInt32();
var stream = new VertexStream();
stream.Flags = flags;
stream.ElementInfo = new List <VertexElementDesc>((int)elementDescCount);
for (uint j = 0; j < elementDescCount; j++)
{
stream.ElementInfo.Add(new VertexElementDesc()
{
ByteOffset = reader.ReadByte(),
StorageType = (BaseVertexElementStorageType)reader.ReadByte(),
ComponentCount = reader.ReadByte(),
ElementType = (BaseVertexElement)reader.ReadByte(),
});
}
stream.ResourceDataHash = BaseGGUUID.FromData(reader);
stream.Buffer = HwBuffer.FromVertexData(reader, gameType, array.StreamingMode, byteStride, array.VertexCount);
array.Streams.Add(stream);
}
return(array);
}
public static HwTexture FromData(BinaryReader reader, GameType gameType)
{
var texture = new HwTexture();
var header = new TextureHeader();
// 32 byte texture header
header.Type = (BaseTextureType)reader.ReadByte(); // 0
_ = reader.ReadByte(); // 1
header.Width = reader.ReadUInt16(); // 2
header.Height = reader.ReadUInt16(); // 4
header.ArraySliceCount = 0;
header.Depth3D = 0;
switch (header.Type)
{
case BaseTextureType._2D:
case BaseTextureType.CubeMap:
_ = reader.ReadUInt16();
break;
case BaseTextureType._3D:
header.Depth3D = 1u << reader.ReadByte();
_ = reader.ReadByte();
break;
case BaseTextureType._2DArray:
header.ArraySliceCount = reader.ReadUInt16();
break;
default:
throw new NotImplementedException("Unknown texture type");
}
header.MipCount = reader.ReadByte(); // 8
header.PixelFormat = (BasePixelFormat)reader.ReadByte(); // 9
header.Unknown1 = reader.ReadByte(); // 10
header.Unknown2 = reader.ReadByte(); // 11
header.Unknown3 = reader.ReadByte(); // 12
header.Flags = reader.ReadByte(); // 13
header.Unknown4 = reader.ReadByte(); // 14 Something to do with mips. Autogen?
header.Unknown5 = reader.ReadByte(); // 15
header.ResourceDataHash = BaseGGUUID.FromData(reader); // 16
texture.Header = header;
// Raw pixel data handling
uint containerSize = reader.ReadUInt32(); // Size of the remaining data being read
long containerEndPosition = reader.BaseStream.Position + containerSize;
texture.EmbeddedDataSize = reader.ReadUInt32(); // Size of pixel data in this core object entry. This value is never used. if (a - b > 0) only.
uint streamedDataSize = reader.ReadUInt32(); // Size of pixel data in external file. This value is never used. if (a > 0) only.
texture.StreamedMipCount = reader.ReadUInt32(); // Number of mipmaps in external file
if (gameType == GameType.DS)
{
texture.DeathStrandingUnknown = reader.ReadUInt64();
}
if (streamedDataSize > 0)
{
texture.StreamHandle = BaseStreamHandle.FromData(reader, gameType);
}
// TODO: Something is wrong here. EmbeddedDataSize doesn't always match the actual length of the byte array. Why? Does it depend on header flags?
if (texture.EmbeddedDataSize > 0)
{
texture.EmbeddedTextureData = reader.ReadBytesStrict((uint)(containerEndPosition - reader.BaseStream.Position));
}
return(texture);
}
private void ReadHeaderData()
{
Reader.BaseStream.Position = _saveDataOffset + _saveDataLength - 0x8;
uint typeDataChunkOffset = Reader.ReadUInt32();
uint rawDataChunkOffset = Reader.ReadUInt32();
// String/GUID tables
Reader.BaseStream.Position = _saveDataOffset + rawDataChunkOffset;
{
// UTF-8 strings
_stringPool = StringTableContainer.FromData(this);
// UTF-16 strings
_wideStringPool = WideStringTableContainer.FromData(this);
// GUIDs
if (SaveVersion >= 26)
{
_GUIDPool = GUIDTableContainer.FromData(this);
}
}
// Serialized type information and object instances
Reader.BaseStream.Position = _saveDataOffset + typeDataChunkOffset;
{
// Create basic objects that are immediately registered with the engine
int objectInstanceTypeCount = ReadVariableLengthOffset();
_localSaveObjects = new Dictionary <int, object>();
for (int i = 0; i < objectInstanceTypeCount; i++)
{
Type objectType = RTTI.GetTypeByName(ReadIndexedString());
int instanceCount = ReadVariableLengthOffset();
for (int j = 0; j < instanceCount; j++)
{
int objectId = ReadVariableLengthOffset();
_localSaveObjects.Add(objectId, RTTI.CreateObjectInstance(objectType));
}
}
// Handles to game data objects
int gameDataObjectCount = ReadVariableLengthOffset();
_gameDataObjects = new Dictionary <int, BaseGGUUID>();
for (int i = 0; i < gameDataObjectCount; i++)
{
int objectId = ReadVariableLengthOffset();
var guid = BaseGGUUID.FromData(Reader);
_gameDataObjects.Add(objectId, guid);
}
// RTTI/class member layouts
_RTTIContainer = RTTIMapContainer.FromData(this);
// File prefetch
int prefetchFileCount = ReadVariableLengthOffset();
_prefetchFilePaths = new List <string>(prefetchFileCount);
for (int i = 0; i < prefetchFileCount; i++)
{
_prefetchFilePaths.Add(ReadIndexedString());
}
}
Reader.BaseStream.Position = _saveDataOffset;
}