public static unsafe string SFileGetFileHash(MpqFileSafeHandle hFile)
{
if (hFile.IsInvalid || hFile.IsClosed)
{
throw new InvalidOperationException();
}
IntPtr handle = hFile.DangerousGetHandle();
_TMPQFileHeader *header = (_TMPQFileHeader *)handle.ToPointer();
byte *md5 = header->pFileEntry->md5;
char[] chars = new char[32];
fixed(char *c = chars)
{
int b;
for (int i = 0; i < 16; i++)
{
b = md5[i] >> 4;
c[i * 2] = (char)(55 + b + (((b - 10) >> 31) & -7));
b = md5[i] & 0xF;
c[i * 2 + 1] = (char)(55 + b + (((b - 10) >> 31) & -7));
}
return(new string(c).Substring(0, 32));
}
}
internal unsafe MpqFileStream(MpqFileSafeHandle handle, FileAccess accessType, MpqArchive owner)
{
_TMPQFileHeader *header = (_TMPQFileHeader *)handle.DangerousGetHandle().ToPointer();
TFileEntry = *header->pFileEntry;
FileName = Marshal.PtrToStringAnsi(TFileEntry.szFileName);
_handle = handle;
_accessType = accessType;
_owner = owner;
}
public static unsafe uint SFileGetFilePointer(MpqFileSafeHandle hFile)
{
if (hFile.IsInvalid || hFile.IsClosed)
{
throw new InvalidOperationException();
}
_TMPQFileHeader *header = (_TMPQFileHeader *)hFile.DangerousGetHandle().ToPointer();
return(header->dwFilePos);
}
public static unsafe DateTime?SFileGetFileTime(MpqFileSafeHandle hFile)
{
if (hFile.IsInvalid || hFile.IsClosed)
{
throw new InvalidOperationException();
}
IntPtr handle = hFile.DangerousGetHandle();
_TMPQFileHeader *header = (_TMPQFileHeader *)handle.ToPointer();
ulong time = header->pFileEntry->FileTime;
return(time > 0 ? (DateTime?)DateTime.FromFileTimeUtc((long)time) : null);
}