public static EQArchive Load(string Filename, byte[] Contents)
{
if (Util.IsBlank(Filename) || (Contents == null))
{
// We got a bad filename, or the file is zero length, and thus not a PFS archive.
return null;
}
Header _header = new Header();
using (BinaryReader _input = new BinaryReader(new MemoryStream(Contents)))
{
try
{
//
// 1. Read the file header
//
_header.IndexPointer = _input.ReadUInt32();
_header.MagicNumber = _input.ReadUInt32();
_header.VersionNumber = _input.ReadUInt32();
}
catch
{
// Too small to be a PFS archive
return null;
}
if (_header.MagicNumber != _MagicNumber)
{
// Not a PFS archive
return null;
}
EQArchive _archive = new EQArchive();
_archive.Filename = Filename;
_archive.SizeOnDisk = (UInt32)Contents.Length;
try
{
//
// 2. Read Index of File Pointers and Sizes in Archive
//
_input.BaseStream.Seek(_header.IndexPointer, SeekOrigin.Begin);
_header.EntryCount = _input.ReadUInt32();
if (_header.EntryCount == 0)
{
// Empty archive...?
_archive.Files = new SortedList<string, EQArchiveFile>();
}
else
{
_archive.Files = new SortedList<string, EQArchiveFile>((int)_header.EntryCount);
}
// Filename directory is the "file" at the end of the archive (with the highest FilePointer)
EQArchiveFile _directory = null;
// For verification later, which is optional, but will catch a malformed/corrupted archive.
Dictionary<UInt32, UInt32> _filenameCRCs = new Dictionary<UInt32, UInt32>();
// Files in a PFS archive tend to be stored by ascending order of FilenameCRC.
// However, the filename directory is sorted by FilePointer
SortedList<UInt32, EQArchiveFile> _files = new SortedList<UInt32, EQArchiveFile>();
for (UInt32 _index = 0; _index < _header.EntryCount; _index++)
{
EQArchiveFile _file = new EQArchiveFile();
UInt32 _filenameCRC = _input.ReadUInt32();
_file.FilePointer = _input.ReadUInt32();
_file.Size.Uncompressed = _input.ReadUInt32();
_filenameCRCs.Add(_file.FilePointer, _filenameCRC);
if ((_directory == null) || (_file.FilePointer > _directory.FilePointer))
{
_directory = _file;
}
_files.Add(_file.FilePointer, _file);
}
if ((_input.BaseStream.Length - _input.BaseStream.Position) >= 9)
{
// PFS Footer
char[] _token = _input.ReadChars(5);
if (new String(_token).Equals("STEVE"))
{
// Valid Footer Token
_header.DateStamp = _input.ReadUInt32();
}
}
//
// 3. Read the compressed file entries (each split into compressed chunks)
//
foreach (EQArchiveFile _file in _files.Values)
{
// Seek to entry position in stream
_input.BaseStream.Seek(_file.FilePointer, SeekOrigin.Begin);
UInt32 _totalUncompressedBytes = _file.Size.Uncompressed;
_file.Size.Uncompressed = 0;
while ((_file.Size.Uncompressed < _totalUncompressedBytes) && (_input.BaseStream.Position < _input.BaseStream.Length))
{
UInt32 _blockSizeCmp = _input.ReadUInt32();
UInt32 _blockSizeUnc = _input.ReadUInt32();
// Sanity Check 1: Uncompressed data larger than what we were told?
if ((_blockSizeUnc + _file.Size.Uncompressed) > _totalUncompressedBytes)
{
throw new Exception();
}
// Sanity Check 2: Compressed data goes past the end of the file?
if ((_input.BaseStream.Position + _blockSizeCmp) > _input.BaseStream.Length)
{
throw new Exception();
}
_file.AddChunk(new EQArchiveFile.Chunk(Contents, (UInt32)_input.BaseStream.Position, _blockSizeCmp, _blockSizeUnc, true));
_input.BaseStream.Position += _blockSizeCmp;
}
}
//
// 4. Unpack and parse the directory of filenames from the "file" at the end of the archive (highest FilePointer)
//
// Remove directory from file entries in archive. We'll have to rebuild it when saving the archive anyway.
_files.Remove(_directory.FilePointer);
_header.EntryCount--;
// Load filenames from directory
BinaryReader _dirStream = new BinaryReader(new MemoryStream(_directory.GetContents()));
UInt32 _filenameCount = _dirStream.ReadUInt32();
if (_filenameCount > _header.EntryCount)
{
// If we somehow have more filenames than entries in the archive, ignore the glitched extras
_filenameCount = _header.EntryCount;
}
_archive.Files = new SortedList<string, EQArchiveFile>();
foreach (EQArchiveFile _file in _files.Values)
{
Int32 _len = _dirStream.ReadInt32();
char[] _inputname = _dirStream.ReadChars(_len);
UInt32 _crc = GetFilenameCRC(_inputname);
if (_crc != _filenameCRCs[_file.FilePointer])
{
// Filename doesn't match with what we were given in Step 2
// This happens in gequip.s3d. We are ignoring it.
//throw new Exception();
}
_file.Filename = new string(_inputname, 0, _len - 1);
_archive.Files.Add(_file.Filename.ToLower(), _file);
}
// All entries loaded and filenames read from directory.
_archive.Status = Result.OK;
}
catch
{
_archive.Status = Result.MalformedFile;
}
return _archive;
}
}
private void AddToMRUs(EQArchive OldArchive)
{
if ((Settings.RememberMRUs > 0) && (OldArchive != null) && (OldArchive.Filename != "(Untitled)") && (OldArchive.FilePath != ""))
{
string _fullPath = OldArchive.FilePath + @"\" + OldArchive.Filename;
int _maxMRU = (Settings.RememberMRUs - 1);
int _newMRU = _maxMRU;
for (int _mru = 0; _mru < _maxMRU; _mru++)
{
if (Settings.MRUs[_mru].Equals(_fullPath, StringComparison.CurrentCultureIgnoreCase))
{
_newMRU = _mru;
break;
}
}
for (int _i = _newMRU; _i > 0; _i--)
{
Settings.MRUs[_i] = Settings.MRUs[_i - 1];
}
Settings.MRUs[0] = _fullPath;
}
}
public void Status_Changed(bool ForceListReload)
{
if (ArchiveLoading && (NewFile != null))
{
ListViewItem _item = new ListViewItem();
_item.Tag = NewFile;
UpdateItem(_item, false);
listView1.Items.Add(_item);
Application.DoEvents();
}
else
{
saveToolStripMenuItem.Enabled = ((CurrentArchive != null) && (CurrentArchive.IsDirty) && (!CurrentArchive.Filename.Equals("(Untitled)")));
saveToolStripButton.Enabled = saveToolStripMenuItem.Enabled;
saveAsToolStripMenuItem.Enabled = (CurrentArchive != null);
saveAsToolStripButton.Enabled = saveAsToolStripMenuItem.Enabled;
importFileToolStripMenuItem.Enabled = (CurrentArchive != null);
importFileToolStripButton.Enabled = importFileToolStripMenuItem.Enabled;
if (ForceListReload || (LastArchive != CurrentArchive) || ArchiveChanged)
{
ViewMode_Changed();
CancelThumbnailThread();
listView1.Items.Clear();
while (itemThumbsLarge.Images.Count > 3)
{
// Clear all but our default built-in icons
itemThumbsLarge.Images.RemoveAt(3);
itemThumbsSmall.Images.RemoveAt(3);
}
if (CurrentArchive != null)
{
foreach (EQArchiveFile _file in CurrentArchive.Files.Values)
{
ListViewItem _item = new ListViewItem();
_item.Tag = _file;
UpdateItem(_item, false);
listView1.Items.Add(_item);
}
}
listView1.Enabled = (CurrentArchive != null);
UpdateMRUs();
LastArchive = CurrentArchive;
ArchiveChanged = false;
listView1.LabelEdit = false;
if (CurrentArchive != null)
{
toolStripProgressBar1.Value = 0;
toolStripProgressBar1.Maximum = CurrentArchive.Files.Count;
ThumbnailsLoaded = false;
toolStripProgressBar1.Visible = true;
}
Application.DoEvents();
ViewMode_Restore();
threadListView.RunWorkerAsync();
}
}
if (CurrentArchive == null)
{
this.Text = Application.ProductName + " " + VersionNumber;
toolStripStatusLabelFileCount.Text = ""; // "Files: 0";
toolStripStatusLabelArchiveSize.Text = ""; // "Size on Disk: 0";
}
else
{
this.Text = CurrentArchive.Filename + (CurrentArchive.IsDirty ? "* - " : " - ") + Application.ProductName + " " + VersionNumber;
toolStripStatusLabelFileCount.Text = "Files: " + CurrentArchive.Files.Count;
toolStripStatusLabelArchiveSize.Text = "Size on Disk: " + CurrentArchive.SizeOnDisk.ToString("###,###,###,##0");
}
Selection_Changed();
}
public void LoadArchive(string FilePath)
{
if (!ConfirmDiscard())
{
// User canceled the change in archive
return;
}
CancelThumbnailThread();
EQArchive _newArchive;
if (FilePath == null)
{
_newArchive = null;
}
else if (FilePath == "")
{
// Requesting a new empty archive
_newArchive = new EQArchive();
}
else
{
_newArchive = EQArchive.Load(FilePath);
switch (_newArchive.Status)
{
case Result.OK:
// Hey, look at that. Nothing bad happened. Awesome. Let's use it.
break;
case Result.WrongFileType:
MessageBox.Show(this, "The specified file was not recognized as a supported EQ Archive type:\r\n\r\n" + FilePath, "Problem Opening Archive", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
case Result.MalformedFile:
MessageBox.Show(this, "The specified file was recognized as an EQ archive, but contained invalid data:\r\n\r\n" + FilePath, "Problem Opening Archive", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
case Result.FileTooLarge:
MessageBox.Show(this, "The specified file is larger than the 4GB limit supported (WTF?!):\r\n\r\n" + FilePath, "Problem Opening Archive", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
case Result.FileReadError:
MessageBox.Show(this, "The specified file could not be read, or may be corrupted:\r\n\r\n" + FilePath, "Problem Opening Archive", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
case Result.FileNotFound:
MessageBox.Show(this, "The specified file does not exist:\r\n\r\n" + FilePath, "Problem Opening Archive", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
case Result.DirectoryNotFound:
MessageBox.Show(this, "The specified file location not exist:\r\n\r\n" + FilePath, "Problem Opening Archive", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
default:
MessageBox.Show(this, "The specified file could not be opened as an archive:\n\n" + FilePath + "\n\nThe error received was: " + _newArchive.Status.ToString(), "Problem Opening Archive", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
}
AddToMRUs(CurrentArchive);
CurrentArchive = _newArchive;
ArchiveChanged = true;
Status_Changed();
UpdateMRUs();
}
private bool ImportFile(EQArchiveFile File, bool Override)
{
if (CurrentArchive == null)
{
CurrentArchive = new EQArchive();
}
EQArchiveFile _existing;
if (Settings.ImportFormat != "")
{
_existing = CurrentArchive.FindFileOrSimilarImage(File.Filename);
}
else
{
_existing = CurrentArchive.FindFile(File.Filename);
}
string _newName = null;
if (_existing != null)
{
_newName = _existing.Filename;
if (!Override || Settings.ConfirmImportOverwrite)
{
switch (MessageBox.Show(this, "The file " + _existing.Filename + " exists in the archive.\n\nDo you wish to overwrite this file with your new one?", "Importing File Exists", MessageBoxButtons.YesNo, MessageBoxIcon.Question))
{
case DialogResult.No:
_newName = File.Filename;
while (CurrentArchive.FindFileOrSimilarImage(_newName) != null)
{
_newName = System.IO.Path.GetFileNameWithoutExtension(_newName) + " (New)" + System.IO.Path.GetExtension(_newName);
}
break;
}
}
File.Filename = _newName;
if (_newName == _existing.Filename) // We're replacing it.
{
DeleteItem(listView1.Items[_existing.Filename.ToLower()]);
}
}
if ((Settings.ImportFormat != "") && (File.GetImage() != null) && (File.ImageFormat != Settings.ImportFormat))
{
File = File.AsFormat(Settings.ImportFormat, (_existing == null));
}
bool _ok = (CurrentArchive.Add(File) == Result.OK);
NewFile = File;
Status_Changed(true);
return _ok;
}
public static EQArchive Load(string Filename, byte[] Contents)
{
if (Util.IsBlank(Filename) || (Contents == null))
{
// We got a bad filename, or the file is zero length, and thus not a PFS archive.
return(null);
}
Header _header = new Header();
using (BinaryReader _input = new BinaryReader(new MemoryStream(Contents)))
{
try
{
//
// 1. Read the file header
//
_header.IndexPointer = _input.ReadUInt32();
_header.MagicNumber = _input.ReadUInt32();
_header.VersionNumber = _input.ReadUInt32();
}
catch
{
// Too small to be a PFS archive
return(null);
}
if (_header.MagicNumber != _MagicNumber)
{
// Not a PFS archive
return(null);
}
EQArchive _archive = new EQArchive();
_archive.Filename = Filename;
_archive.SizeOnDisk = (UInt32)Contents.Length;
try
{
//
// 2. Read Index of File Pointers and Sizes in Archive
//
_input.BaseStream.Seek(_header.IndexPointer, SeekOrigin.Begin);
_header.EntryCount = _input.ReadUInt32();
if (_header.EntryCount == 0)
{
// Empty archive...?
_archive.Files = new SortedList <string, EQArchiveFile>();
}
else
{
_archive.Files = new SortedList <string, EQArchiveFile>((int)_header.EntryCount);
}
// Filename directory is the "file" at the end of the archive (with the highest FilePointer)
EQArchiveFile _directory = null;
// For verification later, which is optional, but will catch a malformed/corrupted archive.
Dictionary <UInt32, UInt32> _filenameCRCs = new Dictionary <UInt32, UInt32>();
// Files in a PFS archive tend to be stored by ascending order of FilenameCRC.
// However, the filename directory is sorted by FilePointer
SortedList <UInt32, EQArchiveFile> _files = new SortedList <UInt32, EQArchiveFile>();
for (UInt32 _index = 0; _index < _header.EntryCount; _index++)
{
EQArchiveFile _file = new EQArchiveFile();
UInt32 _filenameCRC = _input.ReadUInt32();
_file.FilePointer = _input.ReadUInt32();
_file.Size.Uncompressed = _input.ReadUInt32();
_filenameCRCs.Add(_file.FilePointer, _filenameCRC);
if ((_directory == null) || (_file.FilePointer > _directory.FilePointer))
{
_directory = _file;
}
_files.Add(_file.FilePointer, _file);
}
if ((_input.BaseStream.Length - _input.BaseStream.Position) >= 9)
{
// PFS Footer
char[] _token = _input.ReadChars(5);
if (new String(_token).Equals("STEVE"))
{
// Valid Footer Token
_header.DateStamp = _input.ReadUInt32();
}
}
//
// 3. Read the compressed file entries (each split into compressed chunks)
//
foreach (EQArchiveFile _file in _files.Values)
{
// Seek to entry position in stream
_input.BaseStream.Seek(_file.FilePointer, SeekOrigin.Begin);
UInt32 _totalUncompressedBytes = _file.Size.Uncompressed;
_file.Size.Uncompressed = 0;
while ((_file.Size.Uncompressed < _totalUncompressedBytes) && (_input.BaseStream.Position < _input.BaseStream.Length))
{
UInt32 _blockSizeCmp = _input.ReadUInt32();
UInt32 _blockSizeUnc = _input.ReadUInt32();
// Sanity Check 1: Uncompressed data larger than what we were told?
if ((_blockSizeUnc + _file.Size.Uncompressed) > _totalUncompressedBytes)
{
throw new Exception();
}
// Sanity Check 2: Compressed data goes past the end of the file?
if ((_input.BaseStream.Position + _blockSizeCmp) > _input.BaseStream.Length)
{
throw new Exception();
}
_file.AddChunk(new EQArchiveFile.Chunk(Contents, (UInt32)_input.BaseStream.Position, _blockSizeCmp, _blockSizeUnc, true));
_input.BaseStream.Position += _blockSizeCmp;
}
}
//
// 4. Unpack and parse the directory of filenames from the "file" at the end of the archive (highest FilePointer)
//
// Remove directory from file entries in archive. We'll have to rebuild it when saving the archive anyway.
_files.Remove(_directory.FilePointer);
_header.EntryCount--;
// Load filenames from directory
BinaryReader _dirStream = new BinaryReader(new MemoryStream(_directory.GetContents()));
UInt32 _filenameCount = _dirStream.ReadUInt32();
if (_filenameCount > _header.EntryCount)
{
// If we somehow have more filenames than entries in the archive, ignore the glitched extras
_filenameCount = _header.EntryCount;
}
_archive.Files = new SortedList <string, EQArchiveFile>();
foreach (EQArchiveFile _file in _files.Values)
{
Int32 _len = _dirStream.ReadInt32();
char[] _inputname = _dirStream.ReadChars(_len);
UInt32 _crc = GetFilenameCRC(_inputname);
if (_crc != _filenameCRCs[_file.FilePointer])
{
// Filename doesn't match with what we were given in Step 2
// This happens in gequip.s3d. We are ignoring it.
//throw new Exception();
}
_file.Filename = new string(_inputname, 0, _len - 1);
_archive.Files.Add(_file.Filename.ToLower(), _file);
}
// All entries loaded and filenames read from directory.
_archive.Status = Result.OK;
}
catch
{
_archive.Status = Result.MalformedFile;
}
return(_archive);
}
}
