/// <summary>
/// Replaces BDS version in a data file (the version must be at the
/// beginning of the file).
/// </summary>
public static void ReplaceInDataFile(string fileName, ReplaceDelegate replace)
{
string tempFile1 = fileName + ".repl";
string tempFile2 = fileName + ".backup";
using (BinaryReader r = new BinaryReader(File.OpenRead(fileName)))
{
using (BinaryWriter w = new BinaryWriter(File.Open(tempFile1, FileMode.Create, FileAccess.Write)))
{
BdsVersion currentVersion = new BdsVersion();
currentVersion.Read(r);
replace(ref currentVersion);
currentVersion.Write(w);
byte[] buffer = new byte[1024 * 100];
for (; ;)
{
int actRead = r.Read(buffer, 0, buffer.Length);
w.Write(buffer, 0, actRead);
if (actRead != buffer.Length)
{
break;
}
}
}
}
// Now tempFile1 contains the copy of original file with replaced
// version. Now rename the files and delete the old file.
File.Move(fileName, tempFile2);
File.Move(tempFile1, fileName);
File.Delete(tempFile2);
}
/// <summary>
/// Reads the standard BDS header.
/// </summary>
public static void ReadHeader(BinaryReader r, out BdsVersion bdsVersion, out int formatVersion)
{
bdsVersion = new BdsVersion();
bdsVersion.Read(r);
formatVersion = r.ReadInt32();
}
