public static FtexFileMipMapInfo ReadFtexFileMipMapInfo(Stream inputStream)
{
FtexFileMipMapInfo result = new FtexFileMipMapInfo();
result.Read(inputStream);
return(result);
}
private void Read(Stream inputStream)
{
BinaryReader reader = new BinaryReader(inputStream, Encoding.Default, true);
reader.Assert(MagicNumber1);
PixelFormatType = reader.ReadInt16();
Width = reader.ReadInt16();
Height = reader.ReadInt16();
Depth = reader.ReadInt16();
MipMapCount = reader.ReadByte();
NrtFlag = reader.ReadByte();
UnknownFlags = (FtexUnknownFlags)reader.ReadInt16();
reader.Assert(OneInt32);
reader.Assert(ZeroInt32);
TextureType = (FtexTextureType)reader.ReadInt32();
FtexsFileCount = reader.ReadByte();
AdditionalFtexsFileCount = reader.ReadByte();
reader.Assert(ZeroByte);
reader.Assert(ZeroByte);
reader.Assert(ZeroInt32);
reader.Assert(ZeroInt32);
reader.Assert(ZeroInt32);
Hash = reader.ReadBytes(16);
for (int i = 0; i < MipMapCount; i++)
{
FtexFileMipMapInfo fileMipMapInfo = FtexFileMipMapInfo.ReadFtexFileMipMapInfo(inputStream);
AddMipMapInfo(fileMipMapInfo);
}
}
public void UpdateOffsets()
{
int mipMapIndex = 0;
foreach (var ftexsFile in FtexsFiles)
{
foreach (var ftexsFileMipMap in ftexsFile.MipMaps)
{
FtexFileMipMapInfo ftexMipMapInfo = MipMapInfos.ElementAt(mipMapIndex);
ftexMipMapInfo.Size = ftexsFileMipMap.BlockSize;
ftexMipMapInfo.ChunkCount = Convert.ToInt16(ftexsFileMipMap.Chunks.Count());
ftexMipMapInfo.Offset = (int)ftexsFileMipMap.BaseOffset;
++mipMapIndex;
}
}
}
private void AddMipMapInfo(FtexFileMipMapInfo fileMipMapInfo)
{
_mipMapInfos.Add(fileMipMapInfo);
}
public static FtexFileMipMapInfo ReadFtexFileMipMapInfo(X360Reader reader)
{
FtexFileMipMapInfo result = new FtexFileMipMapInfo();
result.Read(reader);
return result;
}
private static List<FtexFileMipMapInfo> GetMipMapInfos(List<byte[]> levelData)
{
List<FtexFileMipMapInfo> mipMapsInfos = new List<FtexFileMipMapInfo>();
for (int i = 0; i < levelData.Count; i++)
{
FtexFileMipMapInfo mipMapInfo = new FtexFileMipMapInfo();
int fileSize = levelData[i].Length;
mipMapInfo.DecompressedFileSize = fileSize;
mipMapInfo.Index = Convert.ToByte(i);
mipMapsInfos.Add(mipMapInfo);
}
SetMipMapFileNumber(mipMapsInfos);
return mipMapsInfos;
}
private static List<FtexsFileChunk> GetFtexsChunks(FtexFileMipMapInfo mipMapInfo, byte[] mipMapData)
{
List<FtexsFileChunk> ftexsFileChunks = new List<FtexsFileChunk>();
const int maxChunkSize = short.MaxValue;
int requiredChunks = (int)Math.Ceiling((double)mipMapData.Length / maxChunkSize);
int mipMapDataOffset = 0;
for (int i = 0; i < requiredChunks; i++)
{
FtexsFileChunk chunk = new FtexsFileChunk();
int chunkSize = Math.Min(mipMapData.Length - mipMapDataOffset, maxChunkSize);
byte[] chunkData = new byte[chunkSize];
Array.Copy(mipMapData, mipMapDataOffset, chunkData, 0, chunkSize);
chunk.SetData(chunkData, false, chunkSize);
ftexsFileChunks.Add(chunk);
mipMapDataOffset += chunkSize;
}
return ftexsFileChunks;
}
public static FtexFileMipMapInfo ReadFtexFileMipMapInfo(Stream inputStream)
{
FtexFileMipMapInfo result = new FtexFileMipMapInfo();
result.Read(inputStream);
return result;
}
private void AddMipMapInfo(FtexFileMipMapInfo fileMipMapInfo)
{
_mipMapInfos.Add(fileMipMapInfo);
}
