public static FObjectImport ReadEntry(IOMemoryStream ms, UassetFile f)
{
//Read in
FObjectImport g = new FObjectImport();
g.startPos = ms.position;
g.coreType = ms.ReadNameTableEntry(f);
g.unknown1 = ms.ReadInt();
g.objectType = ms.ReadNameTableEntry(f);
g.unknown2 = ms.ReadInt();
g.index = ms.ReadInt();
g.name = ms.ReadNameTableEntry(f);
g.unknown4 = ms.ReadInt();
return(g);
}
public static FObjectExport ReadEntry(IOMemoryStream ms, UassetFile f)
{
//Read in
FObjectExport g = new FObjectExport();
g.entryLocation = ms.position;
g.id = ms.ReadInt();
g.unknown1 = ms.ReadInt();
g.unknown2 = ms.ReadInt();
g.unknown3 = ms.ReadInt();
g.type = ms.ReadNameTableEntry(f);
g.unknown4 = ms.ReadInt();
g.unknown5 = ms.ReadInt();
g.LengthOffset = (int)ms.position;
g.dataLength = ms.ReadInt();
g.dataLocation = ms.ReadInt();
g.unknown6 = ms.ReadInt();
g.unknown7 = ms.ReadInt();
g.unknown8 = ms.ReadInt();
g.unknown9 = ms.ReadInt();
g.unknown10 = ms.ReadInt();
g.unknown11 = ms.ReadInt();
g.unknown12 = ms.ReadInt();
g.unknown13 = ms.ReadInt();
g.unknown14 = ms.ReadInt();
g.unknown15 = ms.ReadInt();
g.unknown16 = ms.ReadInt();
g.unknown17 = ms.ReadInt();
g.unknown18 = ms.ReadInt();
g.unknown19 = ms.ReadInt();
g.unknown20 = ms.ReadInt();
g.unknown21 = ms.ReadInt();
g.unknown22 = ms.ReadInt();
long lastPos = ms.position;
ms.position = g.dataLocation;
g.data = ms.ReadBytes(g.dataLength);
ms.position = lastPos;
g.uassetFile = f;
return(g);
}
public static UTexture2D GetTextureFromUAsset(UassetFile uassetFile)
{
/*if (uassetFile.UE4Version != UE4Version.UE4__4_14)
* throw new NotSupportedException($"Texture extraction from {uassetFile.UE4Version.ToString()} uasset files is not supported.");*/
TKContext.LogInner("INFO", $"Attempting to get a texture from file {uassetFile.Filename}");
try
{
FObjectExport export = uassetFile.ExportsTable[0];
EPixelFormat ePixelFormat = EPixelFormat.PF_Unknown;
int pfOffset = 0x0;
// TODO: Simplify this mess.
for (int i = 0; i < uassetFile.NamesTable.Length; i++)
{
if (uassetFile.NamesTable[i].Name.ToUpper().StartsWith("PF_"))
{
if (!Enum.TryParse(uassetFile.NamesTable[i].Name, out ePixelFormat))
{
TKContext.LogError("Pixel Format is not supported.");
return(null);
}
}
}
UTexture2D uTexture2D = new UTexture2D();
//uTexture2D.USerializedData = uSerializedData;
uTexture2D.UassetFile = uassetFile;
TKContext.LogInner("INFO", $"Attempting to find {ePixelFormat.ToString()}");
pfOffset = ArrayExtensions.IndexOfPattern(export.data, Encoding.ASCII.GetBytes(ePixelFormat.ToString()));
TKContext.LogInner("INFO", $"Pixel Format offset is 0x{pfOffset:X8}");
if (pfOffset == int.MaxValue)
{
TKContext.LogError("No texture was found.");
return(null);
}
uTexture2D.PFOffset = pfOffset;
uTexture2D.PixelFormat = ePixelFormat;
uTexture2D.Height = BitConverter.ToInt32(ArrayExtensions.GetBytesFromByteArray(export.data, pfOffset - UASSET_RELATIVE_PF_HEIGHT, 4), 0);
uTexture2D.Width = BitConverter.ToInt32(ArrayExtensions.GetBytesFromByteArray(export.data, pfOffset - UASSET_RELATIVE_PF_WIDTH, 4), 0);
uTexture2D.UnknownValue = BitConverter.ToInt32(ArrayExtensions.GetBytesFromByteArray(export.data, pfOffset + 0x8, 4), 0);
TKContext.LogInner("INFO", $"Texture resolution is {uTexture2D.Width}x{uTexture2D.Height}");
int[] offsets = ArrayExtensions.Locate(export.data, BitConverter.GetBytes(PF_SEPERATOR));
uTexture2D.MipMapCount = BitConverter.ToInt32(ArrayExtensions.GetBytesFromByteArray(export.data, offsets[0] - 0x4, 4), 0);
uTexture2D.Mipmaps = new List <FTexture2DMipMap>();
TKContext.LogInner("INFO", $"Texture has {uTexture2D.MipMapCount} mipmaps");
uTexture2D.FirstSeperatorOffset = offsets[0];
for (int i = 0; i < uTexture2D.MipMapCount; i++)
{
FTexture2DMipMap fTexture2DMipMap = new FTexture2DMipMap();
fTexture2DMipMap.UncompressedSize = BitConverter.ToInt32(ArrayExtensions.GetBytesFromByteArray(export.data, offsets[i] + SEPERATOR_UNCOMPRESSED_SIZE_OFFSET, 4), 0);
fTexture2DMipMap.TextureUassetOffset = BitConverter.ToInt32(ArrayExtensions.GetBytesFromByteArray(export.data, offsets[i] + SEPERATOR_TEXTURE_START_OFFSET_OFFSET, 4), 0);
fTexture2DMipMap.UnknownValue = BitConverter.ToInt32(ArrayExtensions.GetBytesFromByteArray(export.data, offsets[i] + SEPERATOR_UNKNOWN_OFFSET, 4), 0);
fTexture2DMipMap.Texture = ArrayExtensions.GetBytesFromByteArray(export.data, offsets[i] + SEPERATOR_TEXTURE_DATA, fTexture2DMipMap.UncompressedSize);
fTexture2DMipMap.Width = BitConverter.ToInt32(ArrayExtensions.GetBytesFromByteArray(export.data, offsets[i] + SEPERATOR_TEXTURE_DATA + fTexture2DMipMap.UncompressedSize, 4), 0);
fTexture2DMipMap.Height = BitConverter.ToInt32(ArrayExtensions.GetBytesFromByteArray(export.data, offsets[i] + SEPERATOR_TEXTURE_DATA + fTexture2DMipMap.UncompressedSize + 0x4, 4), 0);
uTexture2D.Mipmaps.Add(fTexture2DMipMap);
TKContext.LogInner("INFO", fTexture2DMipMap.ToString());
}
return(uTexture2D);
}
catch (Exception ex)
{
TKContext.LogException(ex.ToString());
return(null);
}
}
