public static HwBuffer FromData(BinaryReader reader, GameType gameType, BaseDataBufferFormat format, BaseRenderDataStreamingMode streamingMode, uint byteStride, uint elementCount)
{
if (streamingMode != BaseRenderDataStreamingMode.NotStreaming && streamingMode != BaseRenderDataStreamingMode.Streaming)
{
throw new InvalidDataException("Invalid streaming mode");
}
var buffer = new HwBuffer
{
Format = format,
ElementStride = byteStride,
ElementCount = elementCount,
StreamingMode = streamingMode,
};
if (buffer.StreamingMode == BaseRenderDataStreamingMode.Streaming)
{
if (gameType == GameType.HZD)
{
buffer.StreamInfo = BaseStreamHandle.FromData(reader, gameType);
}
else
{
buffer.StreamInfo = null;
}
}
else
{
// Read raw data
buffer.Data = reader.ReadBytesStrict(elementCount * byteStride);
}
return(buffer);
}
public static HwBuffer FromData(BinaryReader reader, GameType gameType, BaseDataBufferFormat format, bool streaming, uint byteStride, uint elementCount)
{
var buffer = new HwBuffer
{
Format = format,
ElementStride = byteStride,
ElementCount = elementCount,
Streaming = streaming,
};
if (buffer.Streaming)
{
if (gameType == GameType.HZD)
{
buffer.StreamInfo = BaseStreamHandle.FromData(reader, gameType);
}
else
{
buffer.StreamInfo = null;
}
}
else
{
// Read raw data
buffer.Data = reader.ReadBytesStrict(elementCount * byteStride);
}
return(buffer);
}
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);
}
