private void RevertPatch(GamePatch patch)
{
if (_file[patch.Offset] == patch.Patched)
{
_file[patch.Offset] = patch.Original;
}
else
{
throw new Exception("RevertPatch: Original doesn't match");
}
}
public bool IsPatched(GamePatch patch)
{
if (patch.Offset > _file.Length)
{
throw new Exception(String.Format("A patch offset ({0}) is larger than the file size ({1}).", patch.Offset, _file.Length));
}
if (_file[patch.Offset] != patch.Patched)
{
return(false);
}
return(true);
}
public GamePatch(GamePatch patch, bool revert = false)
{
if (revert)
{
Offset = patch.Offset;
Original = patch.Patched;
Patched = patch.Original;
OriginalDefined = patch.OriginalDefined;
}
else
{
Offset = patch.Offset;
Original = patch.Original;
Patched = patch.Patched;
OriginalDefined = patch.OriginalDefined;
}
}
private void ApplyPatch(GamePatch patch)
{
if (patch.OriginalDefined)
{
if (_file[patch.Offset] == patch.Original)
{
_file[patch.Offset] = patch.Patched;
}
else
{
throw new Exception("ApplyPatch: Original doesn't match");
}
}
else
{
patch.Original = _file[patch.Offset];
_file[patch.Offset] = patch.Patched;
}
}
public static List <GamePatch> CreateIpPatch(string ip, int offset)
{
byte[] ipBytes = Encoding.UTF8.GetBytes(ip);
if (ipBytes.Length > 15)
{
throw new Exception("IP is to long max 15byte");
}
List <GamePatch> patches = new List <GamePatch>();
byte[] data = new byte[15];
Array.Copy(ipBytes, data, ipBytes.Length);
for (int i = 0; i < data.Length; i++)
{
GamePatch patch = new GamePatch(offset + i, data[i]);
patches.Add(patch);
}
return(patches);
}
public void AddPatch(GamePatch patch)
{
if (_patched)
{
throw new Exception("Can only add patches to unpatched file.");
}
GamePatch clone = new GamePatch(patch);
if (clone.Offset > _file.Length)
{
throw new Exception(String.Format("A patch offset ({0}) is larger than the file size ({1}).", clone.Offset, _file.Length));
}
if (clone.OriginalDefined && _file[clone.Offset] != clone.Original)
{
throw new Exception(String.Format("Patch Original ({0}) doesn't match file ({1}) value.", clone.Original, _file[clone.Offset]));
}
_patches.Add(clone);
}