public override void Handle(object sender, Packet packet)
{
GameMessage gameMessage = (GameMessage)packet;
int frameIndex = gameMessage.Frame;
List <Packet> list = new List <Packet>();
Command[] comm = new Command[gameMessage.Command.Count];
gameMessage.Command.CopyTo(comm, 0); // comm 是一帧中的所有事件的帧命令数据
for (int i = 0; i < comm.Length; i++)
{
if (comm[i].Type != -1)
{
using (MemoryStream stream = new MemoryStream()) {
byte[] data = comm[i].Data.ToByteArray();
stream.Write(data, 0, data.Length);
stream.Position = 0;
//Debug.Log(stream.Length);
Type packetType = NetworkChannelHelper.GetAllPacketType(comm[i].Type);
object instance = Activator.CreateInstance(packetType);
Packet framePacket = (Packet)ProtobufHelper.FromStream(instance, stream);
list.Add(framePacket); // list是一帧的所有数据包命令
}
}
}
// 将帧数据保存下来
//Debug.Log("AddOneFrame ---- frameIndex: " + frameIndex);
GameEntry.LockManager.AddOneFrame(frameIndex, list);
}
//
// 摘要:
// 序列化消息包。
//
// 参数:
// packet:
// 要序列化的消息包。
//
// destination:
// 要序列化的目标流。
//
// 类型参数:
// T:
// 消息包类型。
//
// 返回结果:
// 是否序列化成功。
public bool Serialize <T>(T packet, Stream destination) where T : Packet
{
PacketBase packetImpl = packet as PacketBase;
if (packetImpl == null)
{
Log.Warning("Packet is invalid.");
return(false);
}
if (packetImpl.PacketType != PacketType.ClientToServer)
{
Log.Warning("Send packet invalid.");
return(false);
}
// 恐怖的 GCAlloc，这里是例子，不做优化(这句注释是框架作者写的,我本人并不懂GC什么的)
/* 以下内容为木头本人做的改动,不知道是否有错误的地方(虽然它运行起来是正确的),希望大家能帮忙指正 */
// 因为头部消息有8字节长度，所以先跳过8字节
using (MemoryStream memoryStream = new MemoryStream()) {
memoryStream.SetLength(memoryStream.Capacity); // 此行防止 Array.Copy 的数据无法写入
memoryStream.Position = 8;
ProtobufHelper.ToStream(packet, memoryStream);
//Serializer.SerializeWithLengthPrefix<T>(m_CachedStream, packet, PrefixStyle.Fixed32);
//Serializer.Serialize(m_CachedStream, packet);
//
// 头部消息
//CSPacketHeader packetHeader = ReferencePool.Acquire<CSPacketHeader>();
memoryStream.Position = 0;
int mid = packet.Id;
int length = (int)memoryStream.Length - 4; // 消息内容长度需要减去头部消息长度
byte[] midData = BitConverter.GetBytes(mid);
byte[] lenData = BitConverter.GetBytes(length);
//反转
Array.Reverse(midData);
Array.Reverse(lenData);
memoryStream.Write(lenData, 0, 4);
memoryStream.Position = 4;
memoryStream.Write(midData, 0, 4);
//Serializer.SerializeWithLengthPrefix(m_CachedStream, packetHeader, PrefixStyle.Fixed32BigEndian);
//ReferencePool.Release(packetHeader);
memoryStream.WriteTo(destination);
}
//Debug.Log("msgSend");
return(true);
}
/// <summary>
/// 反序列化消息包。
/// </summary>
/// <param name="packetHeader">消息包头。</param>
/// <param name="source">要反序列化的来源流。</param>
/// <param name="customErrorData">用户自定义错误数据。</param>
/// <returns>反序列化后的消息包。</returns>
public Packet DeserializePacket(IPacketHeader packetHeader, Stream source, out object customErrorData)
{
// 注意：此函数并不在主线程调用！
customErrorData = null;
SCPacketHeader scPacketHeader = packetHeader as SCPacketHeader;
if (scPacketHeader == null)
{
Log.Warning("Packet header is invalid.");
return(null);
}
Packet packet = null;
if (scPacketHeader.IsValid)
{
Type packetType = GetServerToClientPacketType(scPacketHeader.Id);
if (packetType != null && source is MemoryStream)
{
//packet = (Packet)RuntimeTypeModel.Default.DeserializeWithLengthPrefix(source, ReferencePool.Acquire(packetType), packetType, PrefixStyle.Fixed32, 0);
object instance = Activator.CreateInstance(packetType);
//packet = (Packet)ProtobufHelper.FromStream(packetType, (MemoryStream)source);
packet = (Packet)ProtobufHelper.FromStream(instance, (MemoryStream)source);
}
else
{
Log.Warning("Can not deserialize packet for packet id '{0}'.", scPacketHeader.Id.ToString());
}
}
else
{
Log.Warning("Packet header is invalid.");
}
ReferencePool.Release(scPacketHeader);
return(packet);
}
