/// <summary>
/// Trims mod stream of uninteresting record types
/// </summary>
/// <param name="streamCreator">A func to create an input stream</param>
/// <param name="outputStream">Stream to write output to</param>
/// <param name="interest">Specification of which record types to include</param>
public static void Trim(
Func <IMutagenReadStream> streamCreator,
Stream outputStream,
RecordInterest interest)
{
using var inputStream = streamCreator();
if (inputStream.Complete)
{
return;
}
using var writer = new System.IO.BinaryWriter(outputStream, Encoding.Default, leaveOpen: true);
var fileLocs = RecordLocator.GetLocations(
inputStream,
interest: interest);
// Import until first listed grup
inputStream.Position = 0;
if (!fileLocs.GrupLocations.TryGetInDirection(
inputStream.Position,
higher: true,
result: out var nextRec))
{
return;
}
var recordLocation = fileLocs.ListedRecords.Keys[nextRec.Key];
var noRecordLength = recordLocation - inputStream.Position - inputStream.MetaData.Constants.GroupConstants.HeaderLength;
inputStream.WriteTo(outputStream, (int)noRecordLength);
while (!inputStream.Complete)
{
var groupMeta = inputStream.GetGroup(readSafe: true);
if (interest.IsInterested(groupMeta.ContainedRecordType))
{
inputStream.WriteTo(outputStream, checked ((int)groupMeta.TotalLength));
}
else
{
inputStream.Position += groupMeta.TotalLength;
}
}
}
public static void Align(
ModPath inputPath,
FilePath outputPath,
GameRelease gameMode,
AlignmentRules alignmentRules,
DirectoryPath temp)
{
var interest = new RecordInterest(alignmentRules.Alignments.Keys)
{
EmptyMeansInterested = false
};
// Always interested in parent record types
interest.InterestingTypes.Add("CELL");
interest.InterestingTypes.Add("WRLD");
var fileLocs = RecordLocator.GetLocations(inputPath, gameMode, interest);
if (gameMode == GameRelease.Oblivion)
{
var alignedMajorRecordsFile = new ModPath(inputPath.ModKey, Path.Combine(temp, "alignedRules"));
using (var inputStream = new MutagenBinaryReadStream(inputPath, gameMode))
{
using var writer = new MutagenWriter(new FileStream(alignedMajorRecordsFile, FileMode.Create), gameMode);
AlignMajorRecordsByRules(inputStream, writer, alignmentRules, fileLocs);
}
var alignedGroupsFile = new ModPath(inputPath.ModKey, Path.Combine(temp, "alignedGroups"));
using (var inputStream = new MutagenBinaryReadStream(alignedMajorRecordsFile, gameMode))
{
using var writer = new MutagenWriter(new FileStream(alignedGroupsFile, FileMode.Create), gameMode);
AlignGroupsByRules(inputStream, writer, alignmentRules, fileLocs);
}
fileLocs = RecordLocator.GetLocations(alignedGroupsFile, gameMode, interest);
var alignedCellsFile = new ModPath(inputPath.ModKey, Path.Combine(temp, "alignedCells"));
using (var mutaReader = new BinaryReadStream(alignedGroupsFile))
{
using var writer = new MutagenWriter(alignedCellsFile, gameMode);
foreach (var grup in fileLocs.GrupLocations.Keys)
{
if (grup <= mutaReader.Position)
{
continue;
}
var noRecordLength = grup - mutaReader.Position;
mutaReader.WriteTo(writer.BaseStream, (int)noRecordLength);
// If complete overall, return
if (mutaReader.Complete)
{
break;
}
mutaReader.WriteTo(writer.BaseStream, 12);
var grupType = mutaReader.ReadInt32();
writer.Write(grupType);
if (writer.MetaData.Constants.GroupConstants.Cell.TopGroupType == grupType)
{
AlignCellChildren(mutaReader, writer);
}
}
mutaReader.WriteTo(writer.BaseStream, checked ((int)mutaReader.Remaining));
}
fileLocs = RecordLocator.GetLocations(alignedCellsFile, gameMode, interest);
using (var mutaReader = new MutagenBinaryReadStream(alignedCellsFile, gameMode))
{
using var writer = new MutagenWriter(outputPath.Path, gameMode);
foreach (var grup in fileLocs.GrupLocations.Keys)
{
if (grup <= mutaReader.Position)
{
continue;
}
var noRecordLength = grup - mutaReader.Position;
mutaReader.WriteTo(writer.BaseStream, (int)noRecordLength);
// If complete overall, return
if (mutaReader.Complete)
{
break;
}
mutaReader.WriteTo(writer.BaseStream, 12);
var grupType = mutaReader.ReadInt32();
writer.Write(grupType);
if (writer.MetaData.Constants.GroupConstants.World.TopGroupType == grupType)
{
AlignWorldChildren(mutaReader, writer);
}
}
mutaReader.WriteTo(writer.BaseStream, checked ((int)mutaReader.Remaining));
}
}
else
{
var alignedMajorRecordsFile = new ModPath(inputPath.ModKey, Path.Combine(temp, "alignedRules"));
using (var inputStream = new MutagenBinaryReadStream(inputPath, gameMode))
{
using var writer = new MutagenWriter(alignedMajorRecordsFile, gameMode);
AlignMajorRecordsByRules(inputStream, writer, alignmentRules, fileLocs);
}
var alignedGroupsFile = Path.Combine(temp, "alignedGroups");
using (var inputStream = new MutagenBinaryReadStream(alignedMajorRecordsFile, gameMode))
{
using var writer = new MutagenWriter(new FileStream(outputPath.Path, FileMode.Create), gameMode);
AlignGroupsByRules(inputStream, writer, alignmentRules, fileLocs);
}
}
}
public static void Align(
ModPath inputPath,
FilePath outputPath,
GameRelease release,
AlignmentRules alignmentRules,
TempFolder?temp = null)
{
var interest = new RecordInterest(alignmentRules.Alignments.Keys)
{
EmptyMeansInterested = false
};
var parsingBundle = new ParsingBundle(GameConstants.Get(release), MasterReferenceReader.FromPath(inputPath, release));
var fileLocs = RecordLocator.GetFileLocations(inputPath.Path, release, interest);
temp ??= new TempFolder();
using (temp)
{
var alignedMajorRecordsFile = Path.Combine(temp.Dir.Path, "alignedRules");
using (var inputStream = new MutagenBinaryReadStream(inputPath.Path, parsingBundle))
{
using var writer = new MutagenWriter(new FileStream(alignedMajorRecordsFile, FileMode.Create), release);
AlignMajorRecordsByRules(inputStream, writer, alignmentRules, fileLocs);
}
var alignedGroupsFile = Path.Combine(temp.Dir.Path, "alignedGroups");
using (var inputStream = new MutagenBinaryReadStream(alignedMajorRecordsFile, parsingBundle))
{
using var writer = new MutagenWriter(new FileStream(alignedGroupsFile, FileMode.Create), release);
AlignGroupsByRules(inputStream, writer, alignmentRules, fileLocs);
}
fileLocs = RecordLocator.GetFileLocations(alignedGroupsFile, release, interest);
var alignedCellsFile = Path.Combine(temp.Dir.Path, "alignedCells");
using (var mutaReader = new BinaryReadStream(alignedGroupsFile))
{
using var writer = new MutagenWriter(alignedCellsFile, release);
foreach (var grup in fileLocs.GrupLocations)
{
if (grup <= mutaReader.Position)
{
continue;
}
var noRecordLength = grup - mutaReader.Position;
mutaReader.WriteTo(writer.BaseStream, (int)noRecordLength);
// If complete overall, return
if (mutaReader.Complete)
{
break;
}
mutaReader.WriteTo(writer.BaseStream, 12);
var grupType = (GroupTypeEnum)mutaReader.ReadUInt32();
writer.Write((int)grupType);
switch (grupType)
{
case GroupTypeEnum.CellChildren:
AlignCellChildren(mutaReader, writer);
break;
default:
break;
}
}
mutaReader.WriteTo(writer.BaseStream, checked ((int)mutaReader.Remaining));
}
fileLocs = RecordLocator.GetFileLocations(alignedCellsFile, release, interest);
using (var mutaReader = new MutagenBinaryReadStream(alignedCellsFile, parsingBundle))
{
using var writer = new MutagenWriter(outputPath.Path, GameConstants.Get(release));
foreach (var grup in fileLocs.GrupLocations)
{
if (grup <= mutaReader.Position)
{
continue;
}
var noRecordLength = grup - mutaReader.Position;
mutaReader.WriteTo(writer.BaseStream, (int)noRecordLength);
// If complete overall, return
if (mutaReader.Complete)
{
break;
}
mutaReader.WriteTo(writer.BaseStream, 12);
var grupType = (GroupTypeEnum)mutaReader.ReadUInt32();
writer.Write((int)grupType);
switch (grupType)
{
case GroupTypeEnum.WorldChildren:
AlignWorldChildren(mutaReader, writer);
break;
default:
break;
}
}
mutaReader.WriteTo(writer.BaseStream, checked ((int)mutaReader.Remaining));
}
}
}
