/// <summary>
/// This method is an alternate way of saving PCCs
/// Instead of reconstructing the PCC from the data taken, it instead copies across the existing
/// data, appends new exports, updates the export list, changes the namelist location and updates the
/// value in the header
/// </summary>
/// <param name="newFileName">The filename to write to</param>
/// <param name="attemptOverwrite">Do you wish to attempt to overwrite the existing export</param>
public string appendSave(string newFileName, bool attemptOverwrite, int HeadeNameOffset = 34)
{
string rtValues = "";
string loc = Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location);
//Get info
expInfoEndOffset = ExportOffset + Exports.Sum(export => export.header.Length);
if (expDataBegOffset < expInfoEndOffset)
{
expDataBegOffset = expInfoEndOffset;
}
//List<ExportEntry> unchangedExports = Exports.Where(export => !export.hasChanged || (export.hasChanged && export.Data.Length <= export.DataSize)).ToList();
List <ExportEntry> unchangedExports = Exports.Where(export => !export.hasChanged).ToList();
List <ExportEntry> changedExports;
List <ExportEntry> replaceExports = null;
if (!attemptOverwrite)
{
//If not trying to overwrite, then select all exports that have been changed
changedExports = Exports.Where(export => export.hasChanged).ToList();
//MessageBox.Show("No changed exports = " + changedExports.Count);
//throw new NullReferenceException();
}
else
{
//If we are trying to overwrite, then split up the exports that have been changed that can and can't overwrite the originals
changedExports = Exports.Where(export => export.hasChanged && export.Data.Length > export.DataSize).ToList();
replaceExports = Exports.Where(export => export.hasChanged && export.Data.Length <= export.DataSize).ToList();
}
int max = Exports.Max(maxExport => maxExport.DataOffset);
ExportEntry lastExport = Exports.Find(export => export.DataOffset == max);
int lastDataOffset = lastExport.DataOffset + lastExport.DataSize;
//byte[] oldName;
if (!attemptOverwrite)
{
int offset = ExportOffset;
foreach (ExportEntry export in Exports)
{
if (!export.hasChanged)
{
offset += export.header.Length;
}
else
{
break;
}
}
rtValues += offset.ToString() + " ";
using (FileStream stream = new FileStream(loc + "\\exec\\infoCache.bin", FileMode.Append))
{
stream.Seek(0, SeekOrigin.End);
rtValues += stream.Position + " ";
//throw new FileNotFoundException();
stream.Write(changedExports[0].header, 32, 8);
}
}
byte[] oldPCC = new byte[lastDataOffset];//Check whether compressed
if (this.bCompressed)
{
oldPCC = PCCHandler.Decompress(pccFileName).Take(lastDataOffset).ToArray();
}
else
{
using (FileStream oldPccStream = new FileStream(this.pccFileName, FileMode.Open))
{
//Read the original data up to the last export
oldPccStream.Read(oldPCC, 0, lastDataOffset);
}
}
//Start writing the new file
using (FileStream newPCCStream = new FileStream(newFileName, FileMode.Create))
{
newPCCStream.Seek(0, SeekOrigin.Begin);
//Write the original file up til the last original export (note that this leaves in all the original exports)
newPCCStream.Write(oldPCC, 0, lastDataOffset);
if (!attemptOverwrite)
{
//If we're not trying to overwrite then just append all the changed exports
foreach (ExportEntry export in changedExports)
{
export.DataOffset = (int)newPCCStream.Position;
export.DataSize = export.Data.Length;
newPCCStream.Write(export.Data, 0, export.Data.Length);
}
}
else
{
//If we are then move to each offset and overwrite the data with the new exports
foreach (ExportEntry export in replaceExports)
{
//newPCCStream.Position = export.DataOffset;
newPCCStream.Seek(export.DataOffset, SeekOrigin.Begin);
export.DataSize = export.Data.Length;
newPCCStream.Write(export.Data, 0, export.Data.Length);
}
//Then move to the end and append the new data
//newPCCStream.Position = lastDataOffset;
newPCCStream.Seek(lastDataOffset, SeekOrigin.Begin);
foreach (ExportEntry export in changedExports)
{
export.DataOffset = (int)newPCCStream.Position;
export.DataSize = export.Data.Length;
newPCCStream.Write(export.Data, 0, export.Data.Length);
}
}
//Set the new nameoffset and namecounts
NameOffset = (int)newPCCStream.Position;
NameCount = Names.Count;
//Then write out the namelist
foreach (string name in Names)
{
newPCCStream.WriteValueS32(-(name.Length + 1));
newPCCStream.WriteString(name + "\0", (uint)(name.Length + 1) * 2, Encoding.Unicode);
}
//Move to the name info position in the header - not a strong piece of code, but it's working so far
//newPCCStream.Position = 34;
newPCCStream.Seek(HeadeNameOffset, SeekOrigin.Begin);
//And write the new info
byte[] nameHeader = new byte[8];
byte[] nameCount = BitConverter.GetBytes(NameCount);
byte[] nameOff = BitConverter.GetBytes(NameOffset);
for (int i = 0; i < 4; i++)
{
nameHeader[i] = nameCount[i];
}
for (int i = 0; i < 4; i++)
{
nameHeader[i + 4] = nameOff[i];
}
newPCCStream.Write(nameHeader, 0, 8);
//update the import list
newPCCStream.Seek(ImportOffset, SeekOrigin.Begin);
foreach (ImportEntry import in Imports)
{
newPCCStream.Write(import.header, 0, import.header.Length);
}
//Finally, update the export list
newPCCStream.Seek(ExportOffset, SeekOrigin.Begin);
foreach (ExportEntry export in Exports)
{
newPCCStream.Write(export.header, 0, export.header.Length);
}
if (!attemptOverwrite)
{
using (FileStream stream = new FileStream(loc + "\\exec\\infoCache.bin", FileMode.Append))
{
stream.Seek(0, SeekOrigin.End);
rtValues += stream.Position + " ";
stream.Write(changedExports[0].header, 32, 8);
}
}
}
return(rtValues);
}
/// <summary>
/// save PCCObject to file by reconstruction from data
/// </summary>
/// <param name="path">full path + file name.</param>
/// <param name="compress">true if you want a zlib compressed pcc file.</param>
public void saveByReconstructing(string path, bool compress = false)
{
//load in all data
byte[] buff;
foreach (ExportEntry e in Exports)
{
buff = e.Data;
}
try
{
this.bCompressed = false;
MemoryStream m = new MemoryStream();
m.WriteBytes(header);
//name table
NameOffset = (int)m.Position;
NameCount = Names.Count;
foreach (string s in Names)
{
string text = s;
if (!text.EndsWith("\0"))
{
text += "\0";
}
m.Write(BitConverter.GetBytes(-text.Length), 0, 4);
foreach (char c in text)
{
m.WriteByte((byte)c);
m.WriteByte(0);
}
}
//import table
ImportOffset = (int)m.Position;
ImportCount = Imports.Count;
foreach (ImportEntry e in Imports)
{
m.WriteBytes(e.header);
}
//export table
ExportOffset = (int)m.Position;
ExportCount = Exports.Count;
for (int i = 0; i < Exports.Count; i++)
{
ExportEntry e = Exports[i];
e.offset = (uint)m.Position;
m.WriteBytes(e.header);
}
//freezone
int FreeZoneSize = (int)FreeZoneEnd - (int)FreeZoneStart;
FreeZoneStart = (uint)m.Position;
m.Write(new byte[FreeZoneSize], 0, FreeZoneSize);
FreeZoneEnd = HeaderLength = (uint)m.Position;
//export data
for (int i = 0; i < Exports.Count; i++)
{
ExportEntry e = Exports[i];
e.DataOffset = (int)m.Position;
e.DataSize = e.Data.Length;
m.WriteBytes(e.Data);
long pos = m.Position;
m.Seek(e.offset + 32, SeekOrigin.Begin);
m.Write(BitConverter.GetBytes(e.DataSize), 0, 4);
m.Write(BitConverter.GetBytes(e.DataOffset), 0, 4);
m.Seek(pos, SeekOrigin.Begin);
}
//update header
m.Seek(0, SeekOrigin.Begin);
m.WriteBytes(header);
if (compress)
{
PCCHandler.CompressAndSave(m, path);
}
else
{
File.WriteAllBytes(path, m.ToArray());
}
}
catch (Exception ex)
{
Console.WriteLine("PCC Save error:\n" + ex.ToString());
}
}
