public string ReadString(ICypherStrategy cypherStrategy)
{
uint length = ReadUInt32();
byte[] bytes = ReadBytes((int)length);
return(cypherStrategy.Decypher(bytes));
}
public GlacierLocrBinaryReader(FileStream fileStream, HitmanVersion version, LocrTextFile file)
: base(fileStream)
{
switch (version)
{
case HitmanVersion.Version1:
case HitmanVersion.Version1Epic:
{
int initialOffset = ReadInt32();
NumberOfLanguages = initialOffset / 4;
SetDefaultStrategy();
fileStream.Seek(0, SeekOrigin.Begin);
}
break;
case HitmanVersion.Version2:
{
file.HeaderValue = ReadByte();
int initialOffset = ReadInt32();
NumberOfLanguages = (initialOffset - 1) / 4;
CypherStrategy = new CypherStrategyTEA();
fileStream.Seek(1, SeekOrigin.Begin);
}
break;
}
}
public override string ReadString()
{
uint length = ReadUInt32();
byte[] bytes = ReadBytes((int)length);
byte zero = ReadByte(); // remove trailing zero
string decyphered = CypherStrategy.Decypher(bytes);
if (IsUsingIncorrectStrategy(bytes, decyphered))
{
CypherStrategy = new CypherStrategyTEA();
decyphered = CypherStrategy.Decypher(bytes);
}
return(decyphered);
}
private void SetDefaultStrategy()
{
switch (NumberOfLanguages)
{
case 10:
CypherStrategy = new CypherStrategyPermutation();
break;
case 12:
CypherStrategy = new CypherStrategyTEA();
break;
default:
throw new InvalidDataException("Unsupported number of languages");
}
}
public GlacierDlgeBinaryWriter(FileStream fileStream, HitmanVersion version)
: base(fileStream)
{
_version = version;
myStrategy = new CypherStrategyTEA();
}
public GlacierRtlvBinaryWriter(FileStream fileStream)
: base(fileStream)
{
myStrategy = new CypherStrategyTEA();
}
public GlacierLocrBinaryWriter(FileStream fileStream, HitmanVersion version, ICypherStrategy cypherStrategy)
: base(fileStream)
{
_version = version;
myStrategy = cypherStrategy;
}