/// <summary>
/// This is used to enable SimPe to add compressed Resources
/// </summary>
void PrepareCompression()
{
if (fileindex == null)
{
return;
}
if (filelistfile != null)
{
return;
}
filelistfile = new SimPe.PackedFiles.Wrapper.CompressedFileList(this.Header.IndexType);
filelist = new PackedFileDescriptor();
filelist.Type = Data.MetaData.DIRECTORY_FILE;
filelist.LongInstance = 0x286B1F03;
filelist.Group = Data.MetaData.DIRECTORY_FILE;
filelistfile.FileDescriptor = filelist;
filelistfile.SynchronizeUserData();
this.Add(filelist);
}
/// <summary>
/// Writes the Index to the Package File
/// </summary>
/// <param name="writer">The BinaryWriter to use</param>
/// <param name="tmpcmp">the index you want to write</param>
/// <param name="tmpindex">listing of the compressin state for each packed File</param>
protected void WriteFileList(BinaryWriter writer, ref PackedFileDescriptors tmpindex, ArrayList tmpcmp)
{
if (this.filelist == null)
{
filelist = new PackedFileDescriptor();
filelist.instance = 0x286B1F03;
filelist.Group = Data.MetaData.DIRECTORY_FILE;
filelist.Type = Data.MetaData.DIRECTORY_FILE;
}
//we use the fact, taht packed files that were altered by SimPe will not be compressed,
//so we only need to delete entries in the Filelist that do not exist any longer. The Size
//won't change!
byte[] b = this.Read(filelist).UncompressedData;
SimPe.PackedFiles.Wrapper.CompressedFileList fl = new SimPe.PackedFiles.Wrapper.CompressedFileList(filelist, this);
if (filelist.MarkForDelete)
{
fl.Clear();
}
SimPe.PackedFiles.Wrapper.CompressedFileList newfl = new SimPe.PackedFiles.Wrapper.CompressedFileList(this.Header.IndexType);
newfl.FileDescriptor = filelist;
for (int i = 0; i < tmpcmp.Count; i++)
{
if ((bool)tmpcmp[i])
{
int pos = fl.FindFile((IPackedFileDescriptor)tmpindex[i]);
if (pos != -1) //the file did already exist, so the size did not change!
{
SimPe.PackedFiles.Wrapper.ClstItem fi = fl.Items[pos];
newfl.Add(fi);
}
else //the file is new but compressed
{
//IPackedFile pf = this.Read((IPackedFileDescriptor)tmpindex[i]);
SimPe.PackedFiles.Wrapper.ClstItem fi = new SimPe.PackedFiles.Wrapper.ClstItem(newfl.IndexType);
PackedFileDescriptor pfd = (PackedFileDescriptor)tmpindex[i];
fi.Type = pfd.Type;
fi.Group = pfd.Group;
fi.Instance = pfd.Instance;
fi.SubType = pfd.SubType;
fi.UncompressedSize = (uint)pfd.fldata.UncompressedSize;
newfl.Add(fi);
}
}
}
//no compressed Files, so remove the (empty) Filelist
if (newfl.Items.Length != 0)
{
//tmpindex[tmpindex.Length-1] = filelist;
tmpindex.Add(filelist);
newfl.SynchronizeUserData();
filelist.offset = (uint)writer.BaseStream.Position;
filelist.size = filelist.UserData.Length;
writer.Write(filelist.UserData);
filelist.Changed = false;
}
this.filelistfile = newfl;
}
