protected int BaseDecodePacket(PacketWrapper pkwPacketWrapper, int iDataReadHead)
{
//add read offset for packet type
//iDataReadHead += sizeof(PacketType);
return(iDataReadHead);
}
public void SendPacket(PacketWrapper packetToSend, Connection conTarget)
{
//check if packet is dropped
if (IsPacketDropped())
{
return;
}
//loop through list of packets in flight to find one not in use
for (int i = 0; i < m_lstDataInFlight.Count; i++)
{
if (m_lstDataInFlight[i].m_fTimeOfDelivery == 0)
{
m_lstDataInFlight[i] = new TimeStampedWrapper()
{
m_tWrappedData = packetToSend,
m_conTarget = conTarget,
m_fTimeOfDelivery = CalcuateDeliveryTime()
};
return;
}
}
//if there is not enough room already then add a new entry to the list
m_lstDataInFlight.Add(new TimeStampedWrapper()
{
m_tWrappedData = packetToSend,
m_conTarget = conTarget,
m_fTimeOfDelivery = CalcuateDeliveryTime()
});
}
public override void EncodePacket(PacketWrapper pkwPacketWrapper)
{
BaseEncodePacket(pkwPacketWrapper);
//add input byte
//pkwPacketWrapper.add(m_bInput)
}
private Packet DecodePacket(PacketWrapper packetWrapper, ref int iReadHead)
{
//get packet type
Packet.PacketType ptyPacketType = Packet.GetPacketType(packetWrapper, iReadHead);
Packet pktOutput = null;
//create Packet
switch (ptyPacketType)
{
case Packet.PacketType.Ping:
pktOutput = new PingPacket();
break;
case Packet.PacketType.Input:
pktOutput = new InputPacket();
break;
case Packet.PacketType.ResetTickCount:
pktOutput = new ResetTickCountPacket();
break;
case Packet.PacketType.StartCountdown:
pktOutput = new StartCountDownPacket();
break;
}
//decode packet
iReadHead = pktOutput.DecodePacket(packetWrapper, iReadHead);
return(pktOutput);
}
public void ReceivePacket(PacketWrapper packetWrapper)
{
//update the last ack packet sent from this client to the connection target clamped to not be more than the total number of packets sent
m_iLastAckPacketNumberSent = Mathf.Min(Mathf.Max(m_iLastAckPacketNumberSent, packetWrapper.m_iLastAckPackageFromPerson), m_iPacketsQueuedToSendCount);
//get the tick of the oldest packet in the packet wrapper
int iPacketNumberHead = packetWrapper.m_iStartPacketNumber;
//the packet read head
int iPacketReadHead = 0;
//the length of the data
int iPacketReadTail = packetWrapper.m_Payload.Count;
//decode the remaining packets
while (iPacketReadHead < iPacketReadTail)
{
//decode packet
Packet pktDecodedPacket = DecodePacket(packetWrapper, ref iPacketReadHead);
iPacketNumberHead++;
//add packet to list of packets to be processed
QueueReceivedPacket(pktDecodedPacket, iPacketNumberHead);
}
}
public override int DecodePacket(PacketWrapper pkwPacketWrapper, int iDataReadHead)
{
iDataReadHead = BaseDecodePacket(pkwPacketWrapper, iDataReadHead);
//decode tick offset
m_bOffset = (pkwPacketWrapper.m_Payload[iDataReadHead] as TickStampedPacket).m_bOffset;
//offset data read point for offset byte
//iDataReadHead += sizeof(byte);
return(iDataReadHead);
}
public override int DecodePacket(PacketWrapper pkwPacketWrapper, int iDataReadHead)
{
iDataReadHead = base.DecodePacket(pkwPacketWrapper, iDataReadHead);
//decode tick offset
m_bInput = (pkwPacketWrapper.m_Payload[iDataReadHead] as InputPacket).m_bInput;
//move the read head
//iDataReadHead += sizeof(byte);
iDataReadHead++;
return(iDataReadHead);
}
public override int DecodePacket(PacketWrapper pkwPacketWrapper, int iDataReadHead)
{
iDataReadHead = base.BaseDecodePacket(pkwPacketWrapper, iDataReadHead);
//decode tick offset
m_lGameStartTime = (pkwPacketWrapper.m_Payload[iDataReadHead] as StartCountDownPacket).m_lGameStartTime;
iDataReadHead += 1;
return(iDataReadHead);
}
private void SendPackets()
{
//check if there is anything to send
if (m_PacketsInFlight.Count == 0)
{
return;
}
//calculate the number of packets that dont need to be sent
int iPacketsToDrop = m_PacketsInFlight.Count - (m_iPacketsQueuedToSendCount - m_iLastAckPacketNumberSent);
if (iPacketsToDrop >= m_PacketsInFlight.Count)
{
m_PacketsInFlight.Clear();
return;
}
//dequeue all the old packets that have already been acknowledged
for (int i = 0; i < iPacketsToDrop; i++)
{
m_PacketsInFlight.Dequeue();
}
if (m_PacketsInFlight.Count == 0)
{
return;
}
//create packet wrapper
PacketWrapper pkwPacketWrappepr = new PacketWrapper(m_iTotalPacketsReceived, m_iPacketsQueuedToSendCount - m_PacketsInFlight.Count, m_PacketsInFlight.Count);
//add as many packets as possible without hitting the max send data limit
for (int i = 0; i < m_PacketsInFlight.Count; i++)
{
pkwPacketWrappepr.AddDataPacket(m_PacketsInFlight[i]);
}
//send packet through coms
if (m_icsConnectionSim != null)
{
m_icsConnectionSim.SendPacket(pkwPacketWrappepr, m_conConnectionTarget);
}
}
public static PacketType GetPacketType(PacketWrapper pkwPacketWrapper, int iDataReadHead)
{
return((PacketType)pkwPacketWrapper.m_Payload[iDataReadHead].m_ptyPacketType);
}
public override int DecodePacket(PacketWrapper pkwPacketWrapper, int iDataReadHead)
{
return(BaseDecodePacket(pkwPacketWrapper, iDataReadHead) + 1);
}
public override void EncodePacket(PacketWrapper pkwPacketWrapper)
{
BaseEncodePacket(pkwPacketWrapper);
}
protected void BaseEncodePacket(PacketWrapper pkwPacketWrapper)
{
//encode packet type
//pkwPacketWrapper.AddDataPacket((byte)m_ptyPacketType);
}
public abstract void EncodePacket(PacketWrapper pkwPacketWrapper);
public abstract int DecodePacket(PacketWrapper pkwPacketWrapper, int iDataReadHead);
public override void EncodePacket(PacketWrapper pkwPacketWrapper)
{
BaseEncodePacket(pkwPacketWrapper);
//pkwPacketWrapper.add(m_bOffset);
}
public override void EncodePacket(PacketWrapper pkwPacketWrapper)
{
//pkwPacketWrapper.add(tobyte(m_lGameStartTime));
}