/// <summary>
/// Opens the specified file readonly, and *only* this file. Does not search in alternative paths; returns null if not found
/// </summary>
public static Stream OpenExactly(string file, params object[] args)
{
if (GamePath == null)
{
return(null);
}
if (args.Length > 0)
{
file = string.Format(file, args);
}
string fileSystemPath = GamePath;
string[] components = file.ToLower().Split('\\', '/');
string nifPath = null; // sub path within a NPK
// Split the path into pre/post NIF paths
foreach (var comp in components)
{
if (nifPath != null)
{
nifPath = Path.Combine(nifPath, comp);
}
else
{
fileSystemPath = Path.Combine(fileSystemPath, comp);
if (new[] { ".npk", ".mpk" }.Any(ext => comp.EndsWith(ext, StringComparison.InvariantCultureIgnoreCase)))
{
nifPath = ""; // start parsing the nif subtree now
}
}
}
// Return early if the file does not exist
if (!File.Exists(fileSystemPath))
{
return(null);
}
// If this is a nif, look inside to find the file
if (nifPath != null)
{
TinyMPK mpk = TinyMPK.FromFile(fileSystemPath);
MPKFileEntry subfile = mpk.GetFile(nifPath);
return(subfile == null ? null : new MemoryStream(subfile.Data));
}
return(new FileStream(fileSystemPath, FileMode.Open, FileAccess.Read));
}
/// <summary>
/// Loads a .mpk file
/// </summary>
/// <param name="file"></param>
/// <returns></returns>
public static TinyMPK FromFile(string file)
{
var mpk = new TinyMPK();
return(mpk.Load(file));
}
