//
// Process SDL msgs to send and recv state
//
bool plSDLModifier::MsgReceive(plMessage* msg)
{
plSDLModifierMsg* sdlMsg = plSDLModifierMsg::ConvertNoRef(msg);
if (sdlMsg && !sdlMsg->GetSDLName().CompareI(GetSDLName()))
{
uint32_t sendFlags = IApplyModFlags(sdlMsg->GetFlags());
if (!fSentOrRecvdState)
sendFlags |= plSynchedObject::kNewState;
if (sdlMsg->GetAction()==plSDLModifierMsg::kSendToServer)
{
// local player is changing the state and sending it out
plStateChangeNotifier::SetCurrentPlayerID(plNetClientApp::GetInstance()->GetPlayerID());
SendState(sendFlags);
}
else
if (sdlMsg->GetAction()==plSDLModifierMsg::kSendToServerAndClients)
{
// local player is changing the state and sending it out
plStateChangeNotifier::SetCurrentPlayerID(plNetClientApp::GetInstance()->GetPlayerID());
SendState(sendFlags | plSynchedObject::kBCastToClients);
}
else
if (sdlMsg->GetAction()==plSDLModifierMsg::kRecv)
{
plStateDataRecord* sdRec=sdlMsg->GetState();
plStateChangeNotifier::SetCurrentPlayerID(sdlMsg->GetPlayerID()); // remote player changed the state
ReceiveState(sdRec);
}
return true; // consumed
}
return plSingleModifier::MsgReceive(msg);
}
int32 PacketTunnelIOGateway :: DoInputImplementation(AbstractGatewayMessageReceiver & receiver, uint32 maxBytes)
{
if (_inputPacketBuffer.SetNumBytes(_maxTransferUnit, false) != B_NO_ERROR) return -1;
bool firstTime = true;
uint32 totalBytesRead = 0;
while((totalBytesRead < maxBytes)&&((firstTime)||(IsSuggestedTimeSliceExpired() == false)))
{
firstTime = false;
int32 bytesRead = GetDataIO()()->Read(_inputPacketBuffer.GetBuffer(), _inputPacketBuffer.GetNumBytes());
//printf(" READ " INT32_FORMAT_SPEC "/" UINT32_FORMAT_SPEC " bytes\n", bytesRead, _inputPacketBuffer.GetNumBytes());
if (bytesRead > 0)
{
totalBytesRead += bytesRead;
IPAddressAndPort fromIAP;
const PacketDataIO * packetIO = dynamic_cast<PacketDataIO *>(GetDataIO()());
if (packetIO) fromIAP = packetIO->GetSourceOfLastReadPacket();
const uint8 * p = (const uint8 *) _inputPacketBuffer.GetBuffer();
if ((_allowMiscData)&&((bytesRead < (int32)FRAGMENT_HEADER_SIZE)||(((uint32)B_LENDIAN_TO_HOST_INT32(muscleCopyIn<uint32>(p))) != _magic)))
{
// If we're allowed to handle miscellaneous data, we'll just pass it on through verbatim
ByteBuffer temp;
temp.AdoptBuffer(bytesRead, const_cast<uint8 *>(p));
HandleIncomingMessage(receiver, ByteBufferRef(&temp, false), fromIAP);
(void) temp.ReleaseBuffer();
}
else
{
const uint8 * invalidByte = p+bytesRead;
while(invalidByte-p >= (int32)FRAGMENT_HEADER_SIZE)
{
const uint32 magic = B_LENDIAN_TO_HOST_INT32(muscleCopyIn<uint32>(&p[0*sizeof(uint32)]));
const uint32 sexID = B_LENDIAN_TO_HOST_INT32(muscleCopyIn<uint32>(&p[1*sizeof(uint32)]));
const uint32 messageID = B_LENDIAN_TO_HOST_INT32(muscleCopyIn<uint32>(&p[2*sizeof(uint32)]));
const uint32 offset = B_LENDIAN_TO_HOST_INT32(muscleCopyIn<uint32>(&p[3*sizeof(uint32)]));
const uint32 chunkSize = B_LENDIAN_TO_HOST_INT32(muscleCopyIn<uint32>(&p[4*sizeof(uint32)]));
const uint32 totalSize = B_LENDIAN_TO_HOST_INT32(muscleCopyIn<uint32>(&p[5*sizeof(uint32)]));
//printf(" PARSE magic=" UINT32_FORMAT_SPEC "/" UINT32_FORMAT_SPEC " sex=" UINT32_FORMAT_SPEC "/" UINT32_FORMAT_SPEC " messageID=" UINT32_FORMAT_SPEC " offset=" UINT32_FORMAT_SPEC " chunkSize=" UINT32_FORMAT_SPEC " totalSize=" UINT32_FORMAT_SPEC "\n", magic, _magic, sexID, _sexID, messageID, offset, chunkSize, totalSize);
p += FRAGMENT_HEADER_SIZE;
if ((magic == _magic)&&((_sexID == 0)||(_sexID != sexID))&&((invalidByte-p >= (int32)chunkSize)&&(totalSize <= _maxIncomingMessageSize)))
{
ReceiveState * rs = _receiveStates.Get(fromIAP);
if (rs == NULL)
{
if (offset == 0) rs = _receiveStates.PutAndGet(fromIAP, ReceiveState(messageID));
if (rs)
{
rs->_buf = GetByteBufferFromPool(totalSize);
if (rs->_buf() == NULL)
{
_receiveStates.Remove(fromIAP);
rs = NULL;
}
}
}
if (rs)
{
if ((offset == 0)||(messageID != rs->_messageID))
{
// A new message... start receiving it (but only if we are starting at the beginning)
rs->_messageID = messageID;
rs->_offset = 0;
rs->_buf()->SetNumBytes(totalSize, false);
}
uint32 rsSize = rs->_buf()->GetNumBytes();
//printf(" CHECK: offset=" UINT32_FORMAT_SPEC "/" UINT32_FORMAT_SPEC " %s\n", offset, rs->_offset, (offset==rs->_offset)?"":"DISCONTINUITY!!!");
if ((messageID == rs->_messageID)&&(totalSize == rsSize)&&(offset == rs->_offset)&&(offset+chunkSize <= rsSize))
{
memcpy(rs->_buf()->GetBuffer()+offset, p, chunkSize);
rs->_offset += chunkSize;
if (rs->_offset == rsSize)
{
HandleIncomingMessage(receiver, rs->_buf, fromIAP);
rs->_offset = 0;
rs->_buf()->Clear(rsSize > MAX_CACHE_SIZE);
}
}
else
{
LogTime(MUSCLE_LOG_DEBUG, "Unknown fragment (" UINT32_FORMAT_SPEC "/" UINT32_FORMAT_SPEC "/" UINT32_FORMAT_SPEC "/" UINT32_FORMAT_SPEC ") received from %s, ignoring it.\n", messageID, offset, chunkSize, totalSize, fromIAP.ToString()());
rs->_offset = 0;
rs->_buf()->Clear(rsSize > MAX_CACHE_SIZE);
}
}
p += chunkSize;
}
else break;
}
}
}
else if (bytesRead < 0) return -1;
else break;
}
return totalBytesRead;
}
void MULTIPLAY::Update(double inc)
{
if (MP_DBGDEEP)
cout << "multiplay update" << endl;
//create packet arrays if necessary
int i;
for (i = 0; i < NumConnected() + 1; i++)
{
if (packetarrays[i] == NULL)
{
packetarrays[i] = new REPLAY_PACKET [PACKET_ARRAY_SIZE];
}
}
if (MP_DBGDEEP)
cout << "packet mem allocated" << endl;
bool oldc = Connected();
net.Update();
if (!oldc && Connected())
{
//wasn't connected before, connected now.
if (Server())
remote_players++;
ExchangeWorldInfo();
int i;
for (i = 0; i < MAX_PLAYERS; i++)
{
timeindex[i] = 0.0;
loadstates[i].time = 0.0;
loadstatenow[i] = false;
numpackets[i] = 0;
//packetarraytime[i] = 0.0;
nooptime[i] = 0;
noopvalid[i] = false;
tickthisframe[i] = false;
nooptick[i] = false;
}
dbgnumstates = 0;
dbgnumpackets = 0;
mq1.Clear();
mq1.AddMessage("A client successfully connected");
}
if (MP_DBGDEEP)
cout << "net updated" << endl;
//read incoming data
/*if (Connected() && net.NumBufferedPackets() > 0)
{
int i;
for (i = 0; i < net.GetMaxBuffers(); i++)
{
if (net.GetBuffer(i)->Valid())
ProcessPacket(net.GetBuffer(i));
}
}*/
if (Connected())
{
if (!MP_DISABLEGET)
{
ReceiveState();
if (MP_DBGDEEP)
cout << "state receive" << endl;
ReceivePacketArray();
if (MP_DBGDEEP)
cout << "packet array receive" << endl;
}
if (!MP_DISABLEFUNCUPDATE)
{
double tval = 0;
string ticktype = "packet array";
nooptick[1] = false;
if (PacketArrayValid(1))
tval = GetPacketArrayTime(1);
if (noopvalid[1] && nooptime[1] > tval)
{
tval = nooptime[1];
ticktype = "noop";
nooptick[1] = true;
}
if ((noopvalid[1] || PacketArrayValid(1)) && timeindex[1] < tval + PACKET_ARRAY_FREQUENCY - FrameTime()/2.0)
{
tickthisframe[1] = true;
/*int nextpacket = curpackets[1];
if (nextpacket >= numpackets[1])
nextpacket = numpackets[1] - 1;
if (ticktype == "packet array")
cout << "ticking " << ticktype << ": " << GetFuncMem(1)[GetPacketArray(1)[nextpacket].chardata[CHAR_FUNCNUM]].func_name << " " << curpackets[1] << "/" << numpackets[1] << " packets for " << tval << " at " << timeindex[1] << endl;
else
cout << "ticking " << ticktype << " for " << tval << " at " << timeindex[1] << endl;*/
timeindex[1] += inc;
//process packet data into the function memory (which is then given to DoOp by vamosworld)
//if (PacketArrayValid(1))// && !(ticktype == "noop"))
int i;
for (i = 0; i < fnums[1]; i++)
{
if (!GetFuncMem(1)[i].held && GetFuncMem(1)[i].active)
GetFuncMem(1)[i].active = false;
}
UpdateFuncmem(1);
}
else
{
tickthisframe[1] = false;
//cout << "not ticking at " << timeindex[1] << endl;
}
}
if (MP_DBGDEEP)
cout << "ticked" << endl;
//check to see if we need to increment
/*for (i = 0; i < NumConnected(); i++)
{
if (loadstatevalid[i+1] && timeindex[i+1] < loadstates[i+1].time + STATE_FREQUENCY + FrameTime()/2.0)
{
timeindex[i+1] += inc;
}
}*/
//if (packetarrayvalid[1] && timeindex[1] < loadstates[1].time + STATE_FREQUENCY - FrameTime()/2.0)
}
//cout << "Latency: " << GetLatency(1) << " (" << timeindex[0] << "-" << timeindex[1] << ")" << endl;
//disconnect if the latency is super high
if (GetLatency(1) > CLIENT_DISCONNECT_TIMEOUT)
{
Disconnect();
}
//update statistics
UpdateStats();
if (MP_DBGDEEP)
cout << "multiplay update done" << endl;
}