public BinaryReader GetSectionData(int sectionID)
{
if (sectionID < Header.SectionCount)
{
CaffSection tmpSection = Sections[sectionID];
bStream.BaseStream.Seek(tmpSection.Offset, SeekOrigin.Begin);
if (tmpSection.CompressedSize != tmpSection.DecompressedSize)
{
#if CAFF_SECTIONS_IN_MEMORY
ZlibStream zs = new ZlibStream(bStream.BaseStream, CompressionMode.Decompress, CompressionLevel.BestCompression);
byte[] decompressedData = new byte[tmpSection.DecompressedSize];
MemoryStream ms = new MemoryStream(decompressedData);
zs.CopyTo(ms);
return(new BinaryReader(ms));
#else
var fs = new FileStream(FileName + tmpSection.Name, FileMode.OpenOrCreate);
var zs = new ZlibStream(bStream.BaseStream, CompressionMode.Decompress, CompressionLevel.BestCompression);
zs.CopyTo(fs);
var bs = new BinaryReader(fs);
return(bs);
#endif
}
else
{
#if CAFF_SECTIONS_IN_MEMORY
byte[] decompressedData = new byte[tmpSection.DecompressedSize];
bStream.Read(decompressedData, 0, tmpSection.DecompressedSize);
MemoryStream ms = new MemoryStream(decompressedData);
return(new BinaryReader(ms));
#else
var fs = new FileStream(FileName + tmpSection.Name, FileMode.OpenOrCreate);
var buffer = new byte[0x800];
int bytesRead = 0;
while (bytesRead < tmpSection.DecompressedSize)
{
var toRead = Math.Min(tmpSection.DecompressedSize - bytesRead, 0x800);
var readNow = bStream.Read(buffer, 0, toRead);
if (readNow == 0)
{
break;
}
fs.Write(buffer, 0, readNow);
bytesRead += readNow;
}
fs.Seek(0, SeekOrigin.Begin);
return(new BinaryReader(fs));
#endif
}
}
return(null);
}
public bool Read(string _fileName, MainForm.UpdateStatusDelegate UpdateDelegate = null)
{
FileName = _fileName;
TreeViewNode = new TreeNode(Path.GetFileName(FileName));
TreeViewNode.Tag = new TreeNodeTag(this, 0, 0, 0, TreeNodeTag.NodeType.File);
FileStream fs = new FileStream(_fileName, FileMode.Open);
bStream = new BinaryReader(fs);
Header.HeaderString = IO.ReadStringF(bStream, 0x14);
if (Header.HeaderString != "CAFF28.01.05.0031")
{
Logger.LogError("Error reading Caff File, Header section mismatch.\n");
return(false);
}
Header.Unk1 = IO.ReadBig32(bStream); //0x14
Header.FileCount = IO.ReadBig32(bStream); //0x18
Header.TocEntryCount = IO.ReadBig32(bStream); //0x1c
Header.Unk4 = IO.ReadBig32(bStream); //0x20
Header.Unk5 = IO.ReadBig32(bStream);
Header.Unk6 = IO.ReadBig32(bStream);
Header.Unk7 = IO.ReadBig32(bStream);
Header.Unk8 = IO.ReadBig32(bStream); //0x30
Header.TocOffset = IO.ReadBig32(bStream);
Header.SectionStartOffset = IO.ReadBig32(bStream);
Header.Unk11 = IO.ReadByte(bStream);
Header.SectionCount = IO.ReadByte(bStream);
Header.Unk13 = IO.ReadByte(bStream);
Header.Unk14 = IO.ReadByte(bStream);
Sections = new CaffSection[Header.SectionCount];
int sectionOffset = Header.SectionStartOffset;
for (int i = 0; i < Header.SectionCount; i++)
{
CaffSection tmpSection = new CaffSection();
tmpSection.Name = IO.ReadString(bStream);
IO.Align(bStream, 4);
int tmpSectionType = IO.ReadBig32(bStream);
switch (tmpSectionType)
{
case SECTION_TYPE_DATA:
{
tmpSection.Type = SectionType.Data;
break;
}
case SECTION_TYPE_GPU:
{
tmpSection.Type = SectionType.GPU;
break;
}
case SECTION_TYPE_STREAM:
{
tmpSection.Type = SectionType.Stream;
break;
}
default:
{
Logger.LogError(string.Format("Error reading Caff File, Unknown caff section type {0:X} at 0x{1:X}", tmpSectionType, (int)bStream.BaseStream.Position));
return(false);
}
}
tmpSection.Flags = IO.ReadBig32(bStream);
tmpSection.DecompressedSize = IO.ReadBig32(bStream);
tmpSection.Unk5 = IO.ReadBig32(bStream);
tmpSection.Unk6 = IO.ReadBig32(bStream);
tmpSection.Unk7 = IO.ReadBig32(bStream);
tmpSection.Unk8 = IO.ReadBig32(bStream);
tmpSection.CompressedSize = IO.ReadBig32(bStream);
tmpSection.Offset = sectionOffset;
Sections[i] = tmpSection;
//If section isn't comrpessed, then CompressedSize and DecompressedSize will match anyways.
sectionOffset += tmpSection.CompressedSize;
}
ReadContents(UpdateDelegate);
return(true);
}
