private Stream buildDdsImage(int mipMapIndex)
{
MipMap mipMap = maps[mipMapIndex];
DdsHeader ddsHeader = new DdsHeader(new DdsSaveConfig(parsedImageFormat, 0, 0, false, false), mipMap.sizeX, mipMap.sizeY);
MemoryStream stream = new MemoryStream();
BinaryWriter writer = new BinaryWriter(stream);
ddsHeader.Write(writer);
writer.Write(mipMap.uncompressedData);
writer.Flush();
writer.BaseStream.Position = 0;
return(stream);
}
public Stream GetObjectStream()
{
if (maps == null || !maps.Any())
{
return(null);
}
MipMap mipMap = maps.Where(mm => mm.uncompressedData != null && mm.uncompressedData.Length > 0).OrderByDescending(mm => mm.sizeX > mm.sizeY ? mm.sizeX : mm.sizeY).FirstOrDefault();
if (mipMap == null)
{
return(null);
}
return(buildDdsImage(maps.IndexOf(mipMap)));
}
private void ReadMipMapFromReader(BinaryReader reader, MipMap map, GpkPackage package)
{
map.signature = reader.ReadInt32(); //0x9e2a83c1
Debug.Assert(map.signature == Constants.DEFAULT_SIGNATURE);
map.blocksize = reader.ReadInt32();
map.compressedSize = reader.ReadInt32();
map.uncompressedSize_chunkheader = reader.ReadInt32();
map.uncompressedData = new byte[map.uncompressedSize];
map.blockCount = (map.uncompressedSize + map.blocksize - 1) / map.blocksize;
int blockOffset = 0;
for (int j = 0; j < map.blockCount; ++j)
{
var block = new ChunkBlock();
block.compressedSize = reader.ReadInt32();
block.uncompressedDataSize = reader.ReadInt32();
map.blocks.Add(block);
}
foreach (ChunkBlock block in map.blocks)
{
block.compressedData = reader.ReadBytes(block.compressedSize);
block.decompressTextureFlags(map.flags);
Array.ConstrainedCopy(block.uncompressedData, 0, map.uncompressedData, blockOffset, block.uncompressedDataSize);
blockOffset += block.uncompressedDataSize;
//save memory
block.uncompressedData = null;
}
//we clear the compressed chunkblocks, so only uncompressed data is present
//blocks need to be rebuild when saving
if (package.LowMemMode)
{
map.blocks.Clear();
}
}
public void ReadData(GpkPackage package, GpkExport export)
{
BinaryReader reader = new BinaryReader(new MemoryStream(export.Data));
IProperty formatProp = export.Properties.Find(t => ((GpkBaseProperty)t).name == "Format");
String format = ((GpkByteProperty)formatProp).nameValue;
SaveFormat(export);
startUnk = reader.ReadBytes(12);
int mipMapCountOffset = reader.ReadInt32();
int length = reader.ReadInt32();
if (length > 0)
{
tgaPath = Reader.ReadString(reader, length);
}
else if (length < 0)
{
inUnicode = true;
tgaPath = Reader.ReadUnicodeString(reader, (length * -1) * 2);
}
else
{
tgaPath = "";
}
int count = reader.ReadInt32();
for (int i = 0; i < count; i++)
{
MipMap map = new MipMap();
//chunk
//info
map.flags = reader.ReadInt32();
map.uncompressedSize = reader.ReadInt32();
map.compChunkSize = reader.ReadInt32();
map.compChunkOffset = reader.ReadInt32();
var temp = ((CompressionTypes)map.flags & NothingToDo);
if (map.flags == 0)
{
map.uncompressedData = reader.ReadBytes(map.uncompressedSize);
}
else if (((CompressionTypes)map.flags & CompressionTypes.StoreInSeparatefile) != 0)
{
//data in texturecache file
//compChunkOffset == offset
//compChunkSize == size
//TextureFileCacheName prop has name
var txtProp = export.Properties.Find(t => ((GpkBaseProperty)t).name == "TextureFileCacheName");
if (txtProp == null)
{
goto fail;
}
String txtCacheFile = ((GpkNameProperty)txtProp).value;
//assumption: cache in same dir, happens for cookedpc compositegpks
map.textureCacheProp = ((GpkNameProperty)txtProp);
map.textureCachePath = $"{CoreSettings.Default.CookedPCPath}{txtCacheFile}.tfc";
if (File.Exists(map.textureCachePath))
{
BinaryReader cacheReader = new BinaryReader(new FileStream(map.textureCachePath, FileMode.Open, FileAccess.Read, FileShare.Read));
cacheReader.BaseStream.Seek(map.compChunkOffset, SeekOrigin.Begin);
map.signature = cacheReader.ReadInt32(); //0x9e2a83c1
cacheReader.BaseStream.Seek(-4, SeekOrigin.Current);
if (map.signature == Constants.DEFAULT_SIGNATURE)
{
ReadMipMapFromReader(cacheReader, map, package);
}
cacheReader.Close();
}
else
{
logger.Debug("{0}, MipMap {1}, Cache {2}, CompressionTypes.StoreInSeparatefile, could not find tfc!!", export.ObjectName, i, txtCacheFile);
}
}
else if (((CompressionTypes)map.flags & CompressionTypes.SeperateData) != 0)
{
//data in seprate chunk in gpk
logger.Warn("{0}, MipMap {1}, CompressionTypes.SeperateDatam, could not parse!!", export.ObjectName, i);
}
else if (((CompressionTypes)map.flags & NothingToDo) == 0)
{
//normal in gpk data
ReadMipMapFromReader(reader, map, package);
}
else
{
logger.Trace("{0}, MipMap {0}, no data!!", export.ObjectName, i);
}
fail:
map.sizeX = reader.ReadInt32();
map.sizeY = reader.ReadInt32();
maps.Add(map);
}
int toread = (int)(reader.BaseStream.Length - reader.BaseStream.Position);
FooterPaddingUnk = reader.ReadBytes(toread);
}