public void Load(BinaryRobloxFileReader reader)
{
int numSignatures = reader.ReadInt32();
Signatures = new Signature[numSignatures];
for (int i = 0; i < numSignatures; i++)
{
var signature = new Signature
{
Version = reader.ReadInt32(),
Id = reader.ReadInt64(),
Length = reader.ReadInt32(),
};
signature.Data = reader.ReadBytes(signature.Length);
Signatures[i] = signature;
}
var file = reader.File;
file.SIGN = this;
}
protected override void ReadFile(byte[] contents)
{
using (MemoryStream file = new MemoryStream(contents))
using (BinaryRobloxFileReader reader = new BinaryRobloxFileReader(this, file))
{
// Verify the signature of the file.
byte[] binSignature = reader.ReadBytes(14);
string signature = Encoding.UTF7.GetString(binSignature);
if (signature != MagicHeader)
{
throw new InvalidDataException("Provided file's signature does not match BinaryRobloxFile.MagicHeader!");
}
// Read header data.
Version = reader.ReadUInt16();
NumClasses = reader.ReadUInt32();
NumInstances = reader.ReadUInt32();
Reserved = reader.ReadInt64();
// Begin reading the file chunks.
bool reading = true;
Classes = new INST[NumClasses];
Instances = new Instance[NumInstances];
while (reading)
{
try
{
var chunk = new BinaryRobloxFileChunk(reader);
IBinaryFileChunk handler = null;
switch (chunk.ChunkType)
{
case "INST":
handler = new INST();
break;
case "PROP":
handler = new PROP();
break;
case "PRNT":
handler = new PRNT();
break;
case "META":
handler = new META();
break;
case "SSTR":
handler = new SSTR();
break;
case "SIGN":
handler = new SIGN();
break;
case "END\0":
ChunksImpl.Add(chunk);
reading = false;
break;
case string unhandled:
Console.Error.WriteLine("BinaryRobloxFile - Unhandled chunk-type: {0}!", unhandled);
break;
default: break;
}
if (handler != null)
{
using (var readBuffer = new MemoryStream(chunk.Data))
{
using (var dataReader = new BinaryRobloxFileReader(this, readBuffer))
{
chunk.Handler = handler;
handler.Load(dataReader);
}
}
ChunksImpl.Add(chunk);
}
}
catch (EndOfStreamException)
{
throw new Exception("Unexpected end of file!");
}
}
}
}
