private void OnAck(Packet packet)
{
// 遍历处理超过32次收包未被应答的包
foreach (byte seq in quantics.Keys)
{
if (packet.ack > seq && (packet.ack - seq).value >= 32)
{
cacheLost.Add(seq);
}
}
foreach (byte seq in cacheLost)
{
Packet p = quantics[seq];
quantics.Remove(seq);
OnPacketLoss(p);
}
cacheLost.Clear();
// 对已发包列表应用应答，移除已被应答的包
for (int i = 0; i < 32; i++)
{
if ((packet.ackbit & (1 << i)) > 0)
{
byte seq = (packet.ack - i).value;
if (quantics.ContainsKey(seq))
{
Packet p = quantics[seq];
quantics.Remove(seq);
OnPacketArrived(p);
}
}
}
// 写收包应答
if (packet.sequence > ack)
{
ackbit = ackbit << (int)(packet.sequence - ack).value;
ackbit |= (1 << 0);
ack = packet.sequence;
OnPacketReceived(packet);
}
else
{
uint value = (uint)(1 << (int)(ack - packet.sequence).value);
if ((ackbit & value) == 0)
{
// 如果收到的包是未被处理的
ackbit |= value;
OnPacketReceived(packet);
}
else
{
Debug.Log("Receive packet already handle : sequence " + packet.sequence);
}
}
}
public override void Parse(BinaryReader reader)
{
mFrame = reader.ReadByte();
mDatas.Clear();
byte length = reader.ReadByte();
for (byte i = 0; i < length; i++)
{
PlayerInput input = new PlayerInput(mFrame);
input.Parse(reader);
mDatas.Add(input);
}
}
public override void Parse(BinaryReader reader)
{
type = (PacketType)reader.ReadByte();
id = reader.ReadUInt32();
sequence = reader.ReadByte();
ack = reader.ReadByte();
ackbit = reader.ReadUInt32();
long dataLen = reader.BaseStream.Length - reader.BaseStream.Position;
if (dataLen > 0)
{
data = new byte[dataLen];
reader.Read(data, 0, data.Length);
}
}
public USocket(uint id)
{
this.id = id;
netState = NetState.None;
sequence = 0;
ack = 0;
ackbit = 0;
quantics = new Dictionary <byte, Packet>();
cacheSend = new List <Packet>();
cacheReceived = new List <Packet>();
cacheLost = new List <byte>();
lastConnectTime = lastReceviedTime = DateTime.MinValue;
connectTimes = 0;
sends = new LimitedQueue <Packet>(10);
receives = new LimitedQueue <Packet>(10);
}
private void FixedUpdate()
{
if (LSState > LockStepState.None)
{
if (LSFrameAchieve)
{
if (LSAccFrame == 0)
{
float deltaTime = Time.fixedDeltaTime;
float accTime = LSTick + deltaTime;
LSAccFrame = Mathf.FloorToInt(accTime / NetConfig.TPF);
LSTick = accTime - LSAccFrame * NetConfig.TPF;
}
while (LSAccFrame > 0)
{
SendPlayerInput();
LSAccFrame -= 1;
LSFrame += 1;
LSFrameAchieve = false;
if (LSState == LockStepState.Prepare)
{
if (LSFrame > new RUShortInt(NetConfig.PDBL - 1))
{
LSState = LockStepState.Start;
}
else
{
LSFrameAchieve = true;
}
}
if (LSState == LockStepState.Start)
{
LSFrameAchieve = LockStepUpdate();
}
if (!LSFrameAchieve)
{
break;
}
}
}
else
{
LSFrameAchieve = LockStepUpdate();
}
}
}
public virtual void Close()
{
netState = NetState.None;
sequence = 0;
ack = 0;
ackbit = 0;
quantics.Clear();
cacheSend.Clear();
cacheReceived.Clear();
cacheLost.Clear();
lastConnectTime = lastReceviedTime = DateTime.MinValue;
connectTimes = 0;
sends.Clear();
receives.Clear();
try
{
if (rc != null)
{
rc.Close();
}
}
catch (Exception ecp)
{
Debug.LogError(ecp.Message + "\n" + ecp.StackTrace);
}
try
{
if (sc != null)
{
sc.Close();
}
}
catch (Exception ecp)
{
Debug.LogError(ecp.Message + "\n" + ecp.StackTrace);
}
rc = null;
sc = null;
ep = null;
}
private void ReceivePacketHandler(Packet packet)
{
if (packet.type == PacketType.Message)
{
if (LSState == LockStepState.None)
{
LSState = LockStepState.Prepare;
}
}
else if (packet.type == PacketType.LockStep)
{
PlayersInputBuffer pib = new PlayersInputBuffer();
pib.Parse(packet.data);
RUShortInt CFrame = LSFrame + RUShortInt.Reverse(NetConfig.PDBL);
int index = pib.buffer.FindIndex((PlayersInput each) => each.frame == CFrame);
if (index > 0)
{
pib.buffer.RemoveRange(0, index);
}
SLSBuffer.Merge(pib);
}
}
private bool LockStepUpdate()
{
float speedTo = 1;
RUShortInt CFrame = LSFrame + RUShortInt.Reverse(NetConfig.PDBL);
List <PlayersInput> buffer = SLSBuffer.buffer;
int lsIndex = buffer.FindIndex(0, buffer.Count, (PlayersInput each) => each.frame == CFrame);
if (lsIndex == -1)
{
speedTo = 0;
}
else
{
RUShortInt minFrame = buffer[0].frame;
RUShortInt maxFrame = buffer[buffer.Count - 1].frame;
if (CFrame == minFrame)
{
uint dist = (maxFrame - minFrame).value;
speedTo = dist <= NetConfig.PDBL ? 1 : 2;
}
else
{
speedTo = 0;
}
}
gameSpeed = speedTo;
if (gameSpeed > 0)
{
ApplyPlayersInput(SLSBuffer.buffer[0]);
SLSBuffer.buffer.RemoveAt(0);
return(true);
}
return(false);
}
public PlayerInput(RUShortInt frame) : base()
{
mFrame = frame;
}
/// <summary>
/// 取反
/// </summary>
/// <param name="val"></param>
/// <returns></returns>
public static RUShortInt Reverse(RUShortInt val)
{
return(new RUShortInt(byte.MaxValue - val.value + 1));
}
private void OnGUI()
{
GUILayout.BeginHorizontal();
GUILayout.Label("ID");
ID = uint.Parse(GUILayout.TextField(ID.ToString()));
GUILayout.EndHorizontal();
GUILayout.BeginHorizontal();
GUILayout.Label("server ip");
byte[] bip = serverAddress.GetAddressBytes();
for (int i = 0; i < bip.Length; i++)
{
bip[i] = System.Convert.ToByte(GUILayout.TextField(bip[i].ToString()));
}
serverAddress = new IPAddress(bip);
GUILayout.EndHorizontal();
GUILayout.BeginHorizontal();
GUILayout.Label("server port");
serverPort = int.Parse(GUILayout.TextField(serverPort.ToString()));
GUILayout.EndHorizontal();
GUILayout.BeginHorizontal();
GUILayout.Label("client port");
clientPort = int.Parse(GUILayout.TextField(clientPort.ToString()));
GUILayout.EndHorizontal();
GUI.enabled = socket == null || socket.netState == NetState.None;
if (GUILayout.Button("Connect", GUILayout.Width(200), GUILayout.Width(80)))
{
LSState = LockStepState.None;
LSTick = 0;
LSFrame = 0;
LSFrameAchieve = true;
LSAccFrame = 0;
SLSBuffer = new PlayersInputBuffer();
socket = new AppSocket(ID);
socket.packetHandler[PacketType.Message] = ReceivePacketHandler;
socket.packetHandler[PacketType.LockStep] = ReceivePacketHandler;
socket.Connect(serverAddress, serverPort, clientPort);
}
GUI.enabled = true;
GUI.color = socket != null && socket.netState == NetState.Connected ? Color.green : Color.white;
GUILayout.Label("状态: " + (socket != null ? socket.netState : NetState.None));
GUI.color = Color.white;
GUILayout.Label("延迟: " + (socket != null ? ((int)(socket.latency * 1000)).ToString() : ""));
GUILayout.Label("速度: " + gameSpeed);
if (socket != null)
{
// 已发送包
Packet[] sends = socket.sends.ToArray();
for (int i = 0; i < sends.Length; i++)
{
GUI.color = sends[i].arrived ? Color.green : Color.white;
GUILayout.Label(sends[i].sequence + " " + sends[i].type);
GUI.color = Color.white;
}
// 已接收包
GUILayout.BeginArea(new Rect(300, 20, 200, 600));
Packet[] receives = socket.receives.ToArray();
for (int i = 0; i < receives.Length; i++)
{
GUILayout.Label(receives[i].sequence + " " + receives[i].type);
}
GUILayout.EndArea();
}
}
