/////////////////////////////////////////////////////////////////////////////
// helper functions
/////////////////////////////////////////////////////////////////////////////
internal Stream GetStream(RageArchiveBinaryFile7 file_)
{
return(new PartialStream(
archive_.BaseStream,
delegate() // offset
{
return 512 * file_.FileOffset;
},
delegate() // size
{
if (file_.FileSize != 0)
{
return file_.FileSize; // compressed
}
else
{
return file_.FileUncompressedSize; // uncompressed
}
},
delegate(long newLength)
{
RequestBytes(file_, newLength);
}
));
}
/// <summary>
/// Creates a new binary file inside this directory.
/// </summary>
public IArchiveBinaryFile CreateBinaryFile()
{
RageArchiveBinaryFile7 realF = new RageArchiveBinaryFile7();
RageArchiveBinaryFileWrapper7 wrD = new RageArchiveBinaryFileWrapper7(archiveWrapper, realF);
realF.Name = "";
var offset = archiveWrapper.FindSpace(64);
realF.FileOffset = (uint)(offset / 512);
directory.Files.Add(realF);
return(wrD);
}
public void RequestBytes(RageArchiveBinaryFile7 file_, long newLength)
{
// determine header size...
long x = GetHeaderSize();
DataBlock thisBlock = null;
var blocks = GetBlocks();
foreach (var q in blocks)
{
if (q.Tag == file_)
{
thisBlock = q;
}
}
long maxlength = ArchiveHelpers.FindSpace(blocks, thisBlock);
if (maxlength < newLength)
{
// move...
long offset = ArchiveHelpers.FindOffset(blocks, newLength, 512);
ArchiveHelpers.MoveBytes(archive_.BaseStream, thisBlock.Offset, offset, thisBlock.Length);
((IRageArchiveFileEntry7)thisBlock.Tag).FileOffset = (uint)offset / 512;
}
if (file_.FileSize != 0)
{
file_.FileSize = (uint)newLength;
}
else
{
file_.FileUncompressedSize = (uint)newLength;
}
}
internal RageArchiveBinaryFileWrapper7(RageArchiveWrapper7 archiveWrapper, RageArchiveBinaryFile7 file)
{
this.archiveWrapper = archiveWrapper;
this.file = file;
}
private List <DataBlock> GetBlocks()
{
var blocks = new List <DataBlock>();
// header
blocks.Add(
new DataBlock(0, GetHeaderSize())
);
var st = new Stack <RageArchiveDirectory7>();
st.Push(archive_.Root);
while (st.Count > 0)
{
var x = st.Pop();
foreach (var q in x.Directories)
{
st.Push(q);
}
foreach (IRageArchiveFileEntry7 q in x.Files)
{
if (q is RageArchiveBinaryFile7)
{
// if(q.FileSize != 0)
RageArchiveBinaryFile7 fff = (RageArchiveBinaryFile7)q;
long l = 0;
if (q.FileSize == 0)
{
l = fff.FileUncompressedSize;
}
else
{
l = fff.FileSize;
}
blocks.Add(new DataBlock(q.FileOffset * 512, l, q));
}
else
{
// if(q.FileSize != 0)
RageArchiveResourceFile7 fff = (RageArchiveResourceFile7)q;
long l = fff.FileSize;
blocks.Add(new DataBlock(q.FileOffset * 512, l, q));
}
}
}
blocks.Sort(
delegate(DataBlock a, DataBlock b)
{
if (a.Offset != b.Offset)
{
return(a.Offset.CompareTo(b.Offset));
}
else
{
return(a.Offset.CompareTo(b.Offset));
}
}
);
return(blocks);
}