private async Task GenerateCleanedESM(CleanedESM directive)
{
var filename = directive.To.FileName;
var gameFile = GameFolder !.Value.Combine((RelativePath)"Data", filename);
Info($"Generating cleaned ESM for {filename}");
if (!gameFile.Exists)
{
throw new InvalidDataException($"Missing {filename} at {gameFile}");
}
Status($"Hashing game version of {filename}");
var sha = await gameFile.FileHashAsync();
if (sha != directive.SourceESMHash)
{
throw new InvalidDataException(
$"Cannot patch {filename} from the game folder because the hashes do not match. Have you already cleaned the file?");
}
var patchData = await LoadBytesFromPath(directive.SourceDataID);
var toFile = OutputFolder.Combine(directive.To);
Status($"Patching {filename}");
using var output = toFile.Create();
using var input = gameFile.OpenRead();
Utils.ApplyPatch(input, () => new MemoryStream(patchData), output);
}
private void GenerateCleanedESM(CleanedESM directive)
{
var filename = Path.GetFileName(directive.To);
var gameFile = Path.Combine(GameFolder, "Data", filename);
Info($"Generating cleaned ESM for {filename}");
if (!File.Exists(gameFile))
{
throw new InvalidDataException($"Missing {filename} at {gameFile}");
}
Status($"Hashing game version of {filename}");
var sha = gameFile.FileHash();
if (sha != directive.SourceESMHash)
{
throw new InvalidDataException(
$"Cannot patch {filename} from the game folder because the hashes do not match. Have you already cleaned the file?");
}
var patchData = LoadBytesFromPath(directive.SourceDataID);
var toFile = Path.Combine(OutputFolder, directive.To);
Status($"Patching {filename}");
using (var output = File.Open(toFile, FileMode.Create))
using (var input = File.OpenRead(gameFile))
{
BSDiff.Apply(input, () => new MemoryStream(patchData), output);
}
}