private void SaveStringDatabase(StringDatabase strDb, string outputPath)
{
using (var fs = new FileStream(outputPath, FileMode.Create))
using (var bs = new BinaryStream(fs, strDb.Endian == Endian.Big ? ByteConverter.Big : ByteConverter.Little))
{
bs.WriteString("GTST", StringCoding.Raw);
bs.WriteInt32(strDb.Strings.Count);
bs.WriteInt32(strDb.Version);
long lastDataPos = SDB.HeaderSize + (strDb.Strings.Count * sizeof(uint));
var strTable = GetStringDbTable(strDb.Strings);
bs.Position = SDB.HeaderSize + (strDb.Strings.Count * sizeof(uint));
strTable.SaveStream(bs);
for (int i = 0; i < strDb.Strings.Count; i++)
{
bs.Position = SDB.HeaderSize + (i * sizeof(uint));
bs.WriteInt32(strTable.GetStringOffset(strDb.Strings[i]));
}
}
}
private void PopulateRowStringsIfNeeded(SpecDB db)
{
foreach (var row in Rows)
{
foreach (var dataType in row.ColumnData)
{
if (dataType is DBString str)
{
// Lazy load
if (!db.StringDatabases.TryGetValue(str.FileName, out StringDatabase strDb))
{
var newStrDb = StringDatabase.LoadFromFile(Path.Combine(db.FolderName, str.FileName));
db.StringDatabases.Add(str.FileName, newStrDb);
strDb = newStrDb;
}
str.Value = strDb.Strings[str.StringIndex];
}
}
}
}
public static StringDatabase LoadFromFile(string fileName)
{
using (var file = File.Open(fileName, FileMode.Open))
using (var bs = new BinaryStream(file))
{
if (bs.ReadString(4) != "GTST")
{
throw new InvalidDataException($"Invalid SDB file '{fileName}'. Magic does not match.");
}
var strDb = new StringDatabase();
bs.Position = 0x08;
strDb.Version = bs.ReadInt32();
strDb.Endian = strDb.Version == 1 ? Endian.Little : Endian.Big;
if (strDb.Endian == Endian.Big)
{
bs.ByteConverter = ByteConverter.Big;
}
bs.Position = 0x04;
int entryCount = bs.ReadInt32();
bs.Position = 0x10;
for (int i = 0; i < entryCount; i++)
{
int strOffset = bs.ReadInt32();
using (var seek = bs.TemporarySeek(0x10 + (entryCount * sizeof(uint) + strOffset), SeekOrigin.Begin))
{
seek.Stream.Position += 2;
strDb.Strings.Add(seek.Stream.ReadString(StringCoding.ZeroTerminated));
}
}
return(strDb);
}
}
