private void WriteWhole(int bitsToSend, StreamClientData clientData, byte packetId, ref VRage.Library.Collections.BitStream stream)
{
StreamPartInfo info = new StreamPartInfo();
info.StartIndex = 0;
info.NumBits = bitsToSend;
info.Position = 0;
clientData.SendPackets[packetId] = info;
clientData.RemainingBits = 0;
clientData.Dirty = false;
clientData.ForceSend = false;
stream.WriteInt16(1);
stream.WriteInt16(0);
stream.WriteInt32(bitsToSend);
unsafe
{
fixed(byte *dataPtr = clientData.ObjectData)
{
stream.WriteMemory(dataPtr, bitsToSend);
}
}
}
private void WriteIncompletePacket(StreamClientData clientData, byte packetId, ref VRage.Library.Collections.BitStream stream)
{
if (clientData.ObjectData == null)
{
clientData.FailedIncompletePackets.Clear();
return;
}
StreamPartInfo failedPart = clientData.FailedIncompletePackets[0];
clientData.FailedIncompletePackets.Remove(failedPart);
clientData.SendPackets[packetId] = failedPart;
stream.WriteInt32(clientData.UncompressedSize);
stream.WriteInt16(clientData.NumParts);
stream.WriteInt16(failedPart.Position);
stream.WriteInt32(failedPart.NumBits);
unsafe
{
fixed(byte *dataPtr = &clientData.ObjectData[failedPart.StartIndex])
{
stream.WriteMemory(dataPtr, failedPart.NumBits);
}
}
}
private void WritePart(ref int bitsToSend, StreamClientData clientData, byte packetId, ref VRage.Library.Collections.BitStream stream)
{
bitsToSend = Math.Min(m_streamSize, clientData.RemainingBits);
StreamPartInfo info = new StreamPartInfo();
info.StartIndex = clientData.LastPosition;
info.NumBits = bitsToSend;
clientData.LastPosition = info.StartIndex + MyLibraryUtils.GetDivisionCeil(m_streamSize, 8);
clientData.SendPackets[packetId] = info;
clientData.RemainingBits = Math.Max(0, clientData.RemainingBits - m_streamSize);
stream.WriteInt16(clientData.NumParts);
stream.WriteInt16(clientData.CurrentPart);
info.Position = clientData.CurrentPart;
clientData.CurrentPart++;
stream.WriteInt32(bitsToSend);
unsafe
{
fixed(byte *dataPtr = &clientData.ObjectData[info.StartIndex])
{
stream.WriteMemory(dataPtr, bitsToSend);
}
}
}
private bool ReadPart(ref VRage.Library.Collections.BitStream stream)
{
m_numPartsToRecive = stream.ReadInt16();
short currentPacket = stream.ReadInt16();
int bitsToRecieve = stream.ReadInt32();
int bytesToRecieve = MyLibraryUtils.GetDivisionCeil(bitsToRecieve, 8);
int numBitsInStream = stream.BitLength - stream.BitPosition;
if (numBitsInStream < bitsToRecieve)
{
Debug.Fail("trying to read more than there is in stream. Why ?");
MyLog.Default.WriteLine("trying to read more than there is in stream. Total num parts : " + m_numPartsToRecive.ToString() + " current part : " + currentPacket.ToString() + " bits to read : " + bitsToRecieve.ToString() + " bits in stream : " + numBitsInStream.ToString() + " replicable : " + Instance.ToString());
//what now ?
return(false);
}
if (m_recivedParts == null)
{
m_recivedParts = new SortedList <StreamPartInfo, byte[]>();
}
m_recievedBytes += bytesToRecieve;
byte[] partData = new byte[bytesToRecieve];
unsafe
{
fixed(byte *dataPtr = partData)
{
stream.ReadMemory(dataPtr, bitsToRecieve);
}
}
StreamPartInfo info = new StreamPartInfo();
info.NumBits = bitsToRecieve;
info.StartIndex = currentPacket;
m_recivedParts[info] = partData;
return(true);
}
