/// <summary>
/// Read the Pk2 structure recursively.
/// </summary>
private void Read(long Position, string RootPath)
{
BinaryReader reader = new BinaryReader(m_FileStream);
reader.BaseStream.Position = Position;
List <Pk2Folder> folders = new List <Pk2Folder>();
sPk2EntryBlock entryBlock = (sPk2EntryBlock)BufferToStruct(m_Blowfish.Decode(reader.ReadBytes(Marshal.SizeOf(typeof(sPk2EntryBlock)))), typeof(sPk2EntryBlock));
for (int i = 0; i < 20; i++)
{
sPk2Entry entry = entryBlock.Entries[i]; //.....
switch (entry.Type)
{
case 0: //Null Entry
break;
case 1: //Folder
if (entry.Name != "." && entry.Name != "..")
{
Pk2Folder folder = new Pk2Folder();
folder.Name = entry.Name;
folder.Position = BitConverter.ToInt64(entry.g_Position, 0);
folders.Add(folder);
m_Folders[(RootPath + entry.Name).ToUpper()] = folder;
m_CurrentFolder.SubFolders.Add(folder);
}
break;
case 2: //File
Pk2File file = new Pk2File();
file.Position = entry.Position;
file.Name = entry.Name;
file.Size = entry.Size;
file.ParentFolder = m_CurrentFolder;
m_Files[(RootPath + entry.Name).ToUpper()] = file;
m_CurrentFolder.Files.Add(file);
break;
}
}
if (entryBlock.Entries[19].NextChain != 0)
{
Read(entryBlock.Entries[19].NextChain, RootPath);
}
foreach (Pk2Folder folder in folders)
{
m_CurrentFolder = folder;
if (folder.Files == null)
{
folder.Files = new List <Pk2File>();
}
if (folder.SubFolders == null)
{
folder.SubFolders = new List <Pk2Folder>();
}
Read(folder.Position, RootPath + folder.Name + "\\");
}
}
/// <summary>
/// Reads Pk2 block structure from the position specified and save all data into the Folder
/// </summary>
private void Read(long Position, Pk2Folder CurrentFolder, string ParentPath)
{
// Set cursor position in the stream
BinaryReader reader = new BinaryReader(m_FileStream);
reader.BaseStream.Position = Position;
// Keep a list with all folders from this block to add it to subfolders
List <Pk2Folder> subfolders = new List <Pk2Folder>();
// Read pk2 block
sPk2EntryBlock entryBlock = (sPk2EntryBlock)BufferToStruct(m_Blowfish.Decode(reader.ReadBytes(Marshal.SizeOf(typeof(sPk2EntryBlock)))), typeof(sPk2EntryBlock));
for (int i = 0; i < 20; i++)
{
// Entry
sPk2Entry entry = entryBlock.Entries[i];
// Check entry type
switch (entry.Type)
{
// Null Entry
case 0:
break;
// Folder
case 1:
// Check if is not a parent/root folder
if (entry.Name != "." && entry.Name != "..")
{
Pk2Folder folder = new Pk2Folder()
{
Name = entry.Name,
Position = BitConverter.ToInt64(entry.g_Position, 0)
};
// Add subfolder
subfolders.Add(folder);
// Save dictionary reference
m_Folders[ParentPath + entry.Name.ToUpper(m_EnglishCulture)] = folder;
}
break;
// File
case 2:
Pk2File file = new Pk2File
{
Position = entry.Position,
Name = entry.Name,
Size = entry.Size,
ParentFolder = CurrentFolder
};
// Add files to the current folder
CurrentFolder.Files.Add(file);
// Save dictionary reference
m_Files[ParentPath + entry.Name.ToUpper(m_EnglishCulture)] = file;
break;
}
}
// Read the next pk2 block chain
if (entryBlock.Entries[19].NextChain != 0)
{
Read(entryBlock.Entries[19].NextChain, CurrentFolder, ParentPath);
}
// Add subfolders to the current folder
CurrentFolder.SubFolders.AddRange(subfolders);
// Continue reading folder by folder
foreach (var f in subfolders)
{
Read(f.Position, f, ParentPath + f.Name.ToUpper(m_EnglishCulture) + "\\");
}
}
