private void OpenArchive(string path)
{
try
{
br = new BinaryReader(File.OpenRead(path), Encoding.Default);
//if(Program.ReadCString(br)!="BSA") throw new fommException("File was not a valid BSA archive");
var type = br.ReadUInt32();
var sb = new StringBuilder(64);
if (type != 0x00415342 && type != 0x00000100)
{
//Might be a fallout 2 dat
br.BaseStream.Position = br.BaseStream.Length - 8;
var TreeSize = br.ReadUInt32();
var DataSize = br.ReadUInt32();
if (DataSize != br.BaseStream.Length)
{
MessageBox.Show("File is not a valid bsa archive");
br.Close();
return;
}
br.BaseStream.Position = DataSize - TreeSize - 8;
var FileCount = br.ReadInt32();
Files = new BSAFileEntry[FileCount];
for (var i = 0; i < FileCount; i++)
{
var fileLen = br.ReadInt32();
for (var j = 0; j < fileLen; j++)
{
sb.Append(br.ReadChar());
}
var comp = br.ReadByte();
var realSize = br.ReadUInt32();
var compSize = br.ReadUInt32();
var offset = br.ReadUInt32();
if (sb[0] == '\\')
{
sb.Remove(0, 1);
}
Files[i] = new BSAFileEntry(sb.ToString(), offset, compSize, comp == 0 ? 0 : realSize);
sb.Length = 0;
}
}
else if (type == 0x0100)
{
var hashoffset = br.ReadUInt32();
var FileCount = br.ReadUInt32();
Files = new BSAFileEntry[FileCount];
var dataoffset = 12 + hashoffset + FileCount*8;
var fnameOffset1 = 12 + FileCount*8;
var fnameOffset2 = 12 + FileCount*12;
for (var i = 0; i < FileCount; i++)
{
br.BaseStream.Position = 12 + i*8;
var size = br.ReadUInt32();
var offset = br.ReadUInt32() + dataoffset;
br.BaseStream.Position = fnameOffset1 + i*4;
br.BaseStream.Position = br.ReadInt32() + fnameOffset2;
sb.Length = 0;
while (true)
{
var b = br.ReadChar();
if (b == '\0')
{
break;
}
sb.Append(b);
}
Files[i] = new BSAFileEntry(sb.ToString(), offset, size);
}
}
else
{
var version = br.ReadInt32();
if (version != 0x67 && version != 0x68)
{
if (MessageBox.Show("This BSA archive has an unknown version number.\n" +
"Attempt to open anyway?", "Warning", MessageBoxButtons.YesNo) != DialogResult.Yes)
{
br.Close();
return;
}
}
br.BaseStream.Position += 4;
var flags = br.ReadUInt32();
Compressed = (flags & 0x004) > 0;
if ((flags & 0x100) > 0 && version == 0x68)
{
ContainsFileNameBlobs = true;
}
else
{
ContainsFileNameBlobs = false;
}
var FolderCount = br.ReadInt32();
var FileCount = br.ReadInt32();
br.BaseStream.Position += 12;
Files = new BSAFileEntry[FileCount];
var numfiles = new int[FolderCount];
br.BaseStream.Position += 8;
for (var i = 0; i < FolderCount; i++)
{
numfiles[i] = br.ReadInt32();
br.BaseStream.Position += 12;
}
br.BaseStream.Position -= 8;
var filecount = 0;
for (var i = 0; i < FolderCount; i++)
{
int k = br.ReadByte();
while (--k > 0)
{
sb.Append(br.ReadChar());
}
br.BaseStream.Position++;
var folder = sb.ToString();
for (var j = 0; j < numfiles[i]; j++)
{
br.BaseStream.Position += 8;
var size = br.ReadUInt32();
var comp = Compressed;
if ((size & (1 << 30)) != 0)
{
comp = !comp;
size ^= 1 << 30;
}
Files[filecount++] = new BSAFileEntry(comp, folder, br.ReadUInt32(), size);
}
sb.Length = 0;
}
for (var i = 0; i < FileCount; i++)
{
while (true)
{
var c = br.ReadChar();
if (c == '\0')
{
break;
}
sb.Append(c);
}
Files[i].FileName = sb.ToString();
sb.Length = 0;
}
}
}
catch (Exception ex)
{
if (br != null)
{
br.Close();
}
br = null;
MessageBox.Show("An error occured trying to open the archive.\n" + ex.Message);
return;
}
tvFolders.Nodes.Add(Path.GetFileNameWithoutExtension(path));
tvFolders.Nodes[0].Nodes.Add("empty");
if (tvFolders.Nodes[0].IsExpanded)
{
tvFolders.Nodes[0].Collapse();
}
tbSearch.Text = "";
UpdateFileList();
bOpen.Text = "Close";
bExtract.Enabled = true;
ArchiveOpen = true;
bExtractAll.Enabled = true;
bPreview.Enabled = true;
}
private void OpenArchive(string path)
{
try
{
br = new BinaryReader(File.OpenRead(path), Encoding.Default);
//if(Program.ReadCString(br)!="BSA") throw new fommException("File was not a valid BSA archive");
var type = br.ReadUInt32();
var sb = new StringBuilder(64);
if (type != 0x00415342 && type != 0x00000100)
{
//Might be a fallout 2 dat
br.BaseStream.Position = br.BaseStream.Length - 8;
var TreeSize = br.ReadUInt32();
var DataSize = br.ReadUInt32();
if (DataSize != br.BaseStream.Length)
{
MessageBox.Show("File is not a valid bsa archive");
br.Close();
return;
}
br.BaseStream.Position = DataSize - TreeSize - 8;
var FileCount = br.ReadInt32();
Files = new BSAFileEntry[FileCount];
for (var i = 0; i < FileCount; i++)
{
var fileLen = br.ReadInt32();
for (var j = 0; j < fileLen; j++)
{
sb.Append(br.ReadChar());
}
var comp = br.ReadByte();
var realSize = br.ReadUInt32();
var compSize = br.ReadUInt32();
var offset = br.ReadUInt32();
if (sb[0] == '\\')
{
sb.Remove(0, 1);
}
Files[i] = new BSAFileEntry(sb.ToString(), offset, compSize, comp == 0 ? 0 : realSize);
sb.Length = 0;
}
}
else if (type == 0x0100)
{
var hashoffset = br.ReadUInt32();
var FileCount = br.ReadUInt32();
Files = new BSAFileEntry[FileCount];
var dataoffset = 12 + hashoffset + FileCount * 8;
var fnameOffset1 = 12 + FileCount * 8;
var fnameOffset2 = 12 + FileCount * 12;
for (var i = 0; i < FileCount; i++)
{
br.BaseStream.Position = 12 + i * 8;
var size = br.ReadUInt32();
var offset = br.ReadUInt32() + dataoffset;
br.BaseStream.Position = fnameOffset1 + i * 4;
br.BaseStream.Position = br.ReadInt32() + fnameOffset2;
sb.Length = 0;
while (true)
{
var b = br.ReadChar();
if (b == '\0')
{
break;
}
sb.Append(b);
}
Files[i] = new BSAFileEntry(sb.ToString(), offset, size);
}
}
else
{
var version = br.ReadInt32();
if (version != 0x67 && version != 0x68)
{
if (MessageBox.Show("This BSA archive has an unknown version number.\n" +
"Attempt to open anyway?", "Warning", MessageBoxButtons.YesNo) != DialogResult.Yes)
{
br.Close();
return;
}
}
br.BaseStream.Position += 4;
var flags = br.ReadUInt32();
Compressed = (flags & 0x004) > 0;
if ((flags & 0x100) > 0 && version == 0x68)
{
ContainsFileNameBlobs = true;
}
else
{
ContainsFileNameBlobs = false;
}
var FolderCount = br.ReadInt32();
var FileCount = br.ReadInt32();
br.BaseStream.Position += 12;
Files = new BSAFileEntry[FileCount];
var numfiles = new int[FolderCount];
br.BaseStream.Position += 8;
for (var i = 0; i < FolderCount; i++)
{
numfiles[i] = br.ReadInt32();
br.BaseStream.Position += 12;
}
br.BaseStream.Position -= 8;
var filecount = 0;
for (var i = 0; i < FolderCount; i++)
{
int k = br.ReadByte();
while (--k > 0)
{
sb.Append(br.ReadChar());
}
br.BaseStream.Position++;
var folder = sb.ToString();
for (var j = 0; j < numfiles[i]; j++)
{
br.BaseStream.Position += 8;
var size = br.ReadUInt32();
var comp = Compressed;
if ((size & (1 << 30)) != 0)
{
comp = !comp;
size ^= 1 << 30;
}
Files[filecount++] = new BSAFileEntry(comp, folder, br.ReadUInt32(), size);
}
sb.Length = 0;
}
for (var i = 0; i < FileCount; i++)
{
while (true)
{
var c = br.ReadChar();
if (c == '\0')
{
break;
}
sb.Append(c);
}
Files[i].FileName = sb.ToString();
sb.Length = 0;
}
}
}
catch (Exception ex)
{
if (br != null)
{
br.Close();
}
br = null;
MessageBox.Show("An error occured trying to open the archive.\n" + ex.Message);
return;
}
tvFolders.Nodes.Add(Path.GetFileNameWithoutExtension(path));
tvFolders.Nodes[0].Nodes.Add("empty");
if (tvFolders.Nodes[0].IsExpanded)
{
tvFolders.Nodes[0].Collapse();
}
tbSearch.Text = "";
UpdateFileList();
bOpen.Text = "Close";
bExtract.Enabled = true;
ArchiveOpen = true;
bExtractAll.Enabled = true;
bPreview.Enabled = true;
}
