public void Read(AssetsFileReader reader)
{
reader.bigEndian = false;
magic = reader.ReadStringLength(4);
fileVersion = reader.ReadByte();
compressionType = reader.ReadByte();
stringTableOffset = reader.ReadUInt32();
stringTableLenUncompressed = reader.ReadUInt32();
stringTableLenCompressed = reader.ReadUInt32();
if (fileVersion == 1) //is this even right?
{
fileBlockSize = reader.ReadUInt32();
}
else
{
fileBlockSize = 0;
}
fileCount = reader.ReadUInt32();
files = new List <ClassDatabaseFileRef>();
for (int i = 0; i < fileCount; i++)
{
files.Add(new ClassDatabaseFileRef()
{
offset = reader.ReadUInt32(),
length = reader.ReadUInt32(),
name = reader.ReadStringLength(15)
});
}
}
///public bool Pack(AssetsFileReader reader, LPARAM lPar, AssetsFileWriter writer, LPARAM writerPar);
public bool IsAssetsFile(AssetsFileReader reader, AssetBundleDirectoryInfo06 entry)
{
//todo - not fully implemented
long offset = bundleHeader6.GetFileDataOffset() + entry.offset;
if (entry.decompressedSize < 0x20)
{
return(false);
}
reader.Position = offset;
string possibleBundleHeader = reader.ReadStringLength(7);
if (possibleBundleHeader == "UnityFS")
{
return(false);
}
reader.Position = offset + 0x08;
int possibleFormat = reader.ReadInt32();
if (possibleFormat > 99)
{
return(false);
}
reader.Position = offset + 0x14;
string possibleVersion = reader.ReadNullTerminated();
string emptyVersion = Regex.Replace(possibleVersion, "[a-zA-Z0-9\\.]", "");
string fullVersion = Regex.Replace(possibleVersion, "[^a-zA-Z0-9\\.]", "");
return(emptyVersion == "" && fullVersion.Length > 0);
}
public bool IsAssetsFile(AssetsFileReader reader, AssetBundleDirectoryInfo06 entry)
{
//todo - not fully implemented
long offset = bundleHeader6.GetFileDataOffset() + entry.offset;
if (entry.decompressedSize < 0x30)
{
return(false);
}
reader.Position = offset;
string possibleBundleHeader = reader.ReadStringLength(7);
if (possibleBundleHeader == "UnityFS")
{
return(false);
}
reader.Position = offset + 0x08;
int possibleFormat = reader.ReadInt32();
if (possibleFormat > 99)
{
return(false);
}
reader.Position = offset + 0x14;
if (possibleFormat >= 0x16)
{
reader.Position += 0x1c;
}
string possibleVersion = "";
char curChar;
while (reader.Position < reader.BaseStream.Length && (curChar = (char)reader.ReadByte()) != 0x00)
{
possibleVersion += curChar;
if (possibleVersion.Length > 0xFF)
{
return(false);
}
}
string emptyVersion = Regex.Replace(possibleVersion, "[a-zA-Z0-9\\.]", "");
string fullVersion = Regex.Replace(possibleVersion, "[^a-zA-Z0-9\\.]", "");
return(emptyVersion == "" && fullVersion.Length > 0);
}
//recommend GetAssetNameFast if at possible
public bool ReadName(AssetsFile file, out string str)
{
str = string.Empty;
AssetsFileReader reader = file.reader;
if (AssetsFileExtra.HasName(curFileType))
{
reader.Position = absoluteFilePos;
int length = Math.Min(reader.ReadInt32(), 99);
str = reader.ReadStringLength(length);
return(true);
}
return(false);
}
public static bool IsAssetsFile(AssetsFileReader reader, long offset, long length)
{
//todo - not fully implemented
if (length < 0x30)
{
return(false);
}
reader.Position = offset;
string possibleBundleHeader = reader.ReadStringLength(5);
if (possibleBundleHeader == "Unity")
{
return(false);
}
reader.Position = offset + 0x08;
int possibleFormat = reader.ReadInt32();
if (possibleFormat > 99)
{
return(false);
}
reader.Position = offset + 0x14;
if (possibleFormat >= 0x16)
{
reader.Position += 0x1c;
}
string possibleVersion = "";
char curChar;
while (reader.Position < reader.BaseStream.Length && (curChar = (char)reader.ReadByte()) != 0x00)
{
possibleVersion += curChar;
if (possibleVersion.Length > 0xFF)
{
return(false);
}
}
string emptyVersion = Regex.Replace(possibleVersion, "[a-zA-Z0-9\\.\\n]", "");
string fullVersion = Regex.Replace(possibleVersion, "[^a-zA-Z0-9\\.\\n]", "");
return(emptyVersion == "" && fullVersion.Length > 0);
}
public void Read(AssetsFileReader reader)
{
reader.bigEndian = false;
header = reader.ReadStringLength(4);
if (header != "cldb")
{
throw new Exception("header not detected. is this a cldb file?");
}
fileVersion = reader.ReadByte();
flags = 0;
if (fileVersion == 4)
{
flags = reader.ReadByte();
}
switch (fileVersion)
{
case 1:
compressionType = 0;
break;
case 2:
compressionType = reader.ReadByte();
break;
case 3:
case 4:
compressionType = reader.ReadByte();
compressedSize = reader.ReadUInt32();
uncompressedSize = reader.ReadUInt32();
break;
default:
return;
}
unityVersionCount = reader.ReadByte();
unityVersions = new string[unityVersionCount];
for (int i = 0; i < unityVersionCount; i++)
{
unityVersions[i] = reader.ReadCountString();
}
stringTableLen = reader.ReadUInt32();
stringTablePos = reader.ReadUInt32();
}
public ulong Read(AssetsFileReader reader, ulong filePos)
{
reader.bigEndian = false;
header = reader.ReadStringLength(4);
if (header != "cldb")
{
return(reader.Position);
}
fileVersion = reader.ReadByte();
switch (fileVersion)
{
case 1:
break;
case 3:
compressionType = reader.ReadByte();
if (compressionType != 0)
{
return(reader.Position);
}
compressedSize = reader.ReadUInt32();
uncompressedSize = reader.ReadUInt32();
break;
default:
return(reader.Position);
}
unityVersionCount = reader.ReadByte();
pUnityVersions = new string[unityVersionCount];
for (int i = 0; i < unityVersionCount; i++)
{
pUnityVersions[i] = reader.ReadCountString();
}
stringTableLen = reader.ReadUInt32();
stringTablePos = reader.ReadUInt32();
return(reader.Position);
}