// batch as many messages as possible into writer
// returns true if any batch was made.
public bool MakeNextBatch(NetworkWriter writer, double timeStamp)
{
// if we have no messages then there's nothing to do
if (messages.Count == 0)
{
return(false);
}
// make sure the writer is fresh to avoid uncertain situations
if (writer.Position != 0)
{
throw new ArgumentException($"MakeNextBatch needs a fresh writer!");
}
// write timestamp first
// -> double precision for accuracy over long periods of time
writer.WriteDouble(timeStamp);
// do start no matter what
do
{
// add next message no matter what. even if > threshold.
// (we do allow > threshold sized messages as single batch)
NetworkWriterPooled message = messages.Dequeue();
ArraySegment <byte> segment = message.ToArraySegment();
writer.WriteBytes(segment.Array, segment.Offset, segment.Count);
// return the writer to pool
NetworkWriterPool.Return(message);
}
// keep going as long as we have more messages,
// AND the next one would fit into threshold.
while (messages.Count > 0 &&
writer.Position + messages.Peek().Position <= threshold);
// we had messages, so a batch was made
return(true);
}
public static void WriteString(this NetworkWriter writer, string value)
{
// write 0 for null support, increment real size by 1
// (note: original HLAPI would write "" for null strings, but if a
// string is null on the server then it should also be null
// on the client)
if (value == null)
{
writer.WriteUShort(0);
return;
}
// write string with same method as NetworkReader
// convert to byte[]
int size = 0;
try
{
size = encoding.GetBytes(value, 0, value.Length, stringBuffer, 0);
}
catch (ArgumentException exception)
{
Debug.LogError("Caught ArguementException in Mirror::NetworkWriter.WriteString() " +
exception.Message);
return;
}
// check if within max size
if (size >= NetworkWriter.MaxStringLength)
{
throw new IndexOutOfRangeException("NetworkWriter.Write(string) too long: " + size + ". Limit: " + NetworkWriter.MaxStringLength);
}
// write size and bytes
writer.WriteUShort(checked ((ushort)(size + 1)));
writer.WriteBytes(stringBuffer, 0, size);
}
public static void WriteGuid(this NetworkWriter writer, Guid value)
{
byte[] data = value.ToByteArray();
writer.WriteBytes(data, 0, data.Length);
}