bool FileListTransfer::DecodeSetHeader(Packet *packet)
{
unsigned i;
unsigned int frequencyTable[ 256 ];
bool anythingToWrite;
unsigned short setID;
RakNet::BitStream inBitStream(packet->data, packet->length, false);
inBitStream.IgnoreBits(8);
inBitStream.Read(setID);
FileListReceiver *fileListReceiver;
if (fileListReceivers.Has(setID)==false)
{
#ifdef _DEBUG
assert(0);
#endif
return false;
}
fileListReceiver=fileListReceivers.Get(setID);
if (fileListReceiver->allowedSender!=packet->playerId)
{
#ifdef _DEBUG
assert(0);
#endif
return false;
}
#ifdef _DEBUG
assert(fileListReceiver->gotSetHeader==false);
#endif
inBitStream.Read(anythingToWrite);
if (anythingToWrite)
{
inBitStream.Read(fileListReceiver->isCompressed);
if (fileListReceiver->isCompressed)
{
for (i=0; i < 256; i++)
inBitStream.ReadCompressed(frequencyTable[i]);
fileListReceiver->tree.GenerateFromFrequencyTable(frequencyTable);
inBitStream.ReadCompressed(fileListReceiver->setCount);
inBitStream.ReadCompressed(fileListReceiver->setTotalFinalLength);
if (inBitStream.ReadCompressed(fileListReceiver->setTotalCompressedTransmissionLength))
{
fileListReceiver->gotSetHeader=true;
return true;
}
}
else
{
inBitStream.ReadCompressed(fileListReceiver->setCount);
inBitStream.ReadCompressed(fileListReceiver->setTotalFinalLength);
fileListReceiver->setTotalCompressedTransmissionLength=fileListReceiver->setTotalFinalLength;
}
}
else
{
fileListReceiver->downloadHandler->OnFile(0, 0, 0, 0, 0, setID, 0, 0, 0, 0);
return true;
}
return false;
}
Packet* RakClient::Receive( void )
{
Packet * packet = RakPeer::Receive();
// Intercept specific client / server feature packets
if ( packet )
{
RakNet::BitStream bitStream( ( char* ) packet->data, packet->length, false );
int i;
if ( packet->data[ 0 ] == ID_CONNECTION_REQUEST_ACCEPTED )
{
// ConnectionAcceptStruct cas;
// cas.Deserialize(bitStream);
// unsigned short remotePort;
// PlayerID externalID;
PlayerIndex playerIndex;
RakNet::BitStream inBitStream((char*)packet->data, packet->length, false);
inBitStream.IgnoreBits(8); // ID_CONNECTION_REQUEST_ACCEPTED
inBitStream.IgnoreBits(8 * sizeof(unsigned short)); //inBitStream.Read(remotePort);
inBitStream.IgnoreBits(8 * sizeof(unsigned int)); //inBitStream.Read(externalID.binaryAddress);
inBitStream.IgnoreBits(8 * sizeof(unsigned short)); //inBitStream.Read(externalID.port);
inBitStream.Read(playerIndex);
localPlayerIndex = playerIndex;
packet->playerIndex = playerIndex;
}
else if (
packet->data[ 0 ] == ID_REMOTE_NEW_INCOMING_CONNECTION ||
packet->data[ 0 ] == ID_REMOTE_EXISTING_CONNECTION ||
packet->data[ 0 ] == ID_REMOTE_DISCONNECTION_NOTIFICATION ||
packet->data[ 0 ] == ID_REMOTE_CONNECTION_LOST )
{
bitStream.IgnoreBits( 8 ); // Ignore identifier
bitStream.Read( packet->playerId.binaryAddress );
bitStream.Read( packet->playerId.port );
if ( bitStream.Read( ( unsigned short& ) packet->playerIndex ) == false )
{
DeallocatePacket( packet );
return 0;
}
if ( packet->data[ 0 ] == ID_REMOTE_DISCONNECTION_NOTIFICATION ||
packet->data[ 0 ] == ID_REMOTE_CONNECTION_LOST )
{
i = GetOtherClientIndexByPlayerID( packet->playerId );
if ( i >= 0 )
otherClients[ i ].isActive = false;
}
}
else if ( packet->data[ 0 ] == ID_REMOTE_STATIC_DATA )
{
bitStream.IgnoreBits( 8 ); // Ignore identifier
bitStream.Read( packet->playerId.binaryAddress );
bitStream.Read( packet->playerId.port );
bitStream.Read( packet->playerIndex ); // ADDED BY KURI
i = GetOtherClientIndexByPlayerID( packet->playerId );
if ( i < 0 )
i = GetFreeOtherClientIndex();
if ( i >= 0 )
{
otherClients[ i ].playerId = packet->playerId;
otherClients[ i ].isActive = true;
otherClients[ i ].staticData.Reset();
// The static data is what is left over in the stream
otherClients[ i ].staticData.Write( ( char* ) bitStream.GetData() + BITS_TO_BYTES( bitStream.GetReadOffset() ), bitStream.GetNumberOfBytesUsed() - BITS_TO_BYTES( bitStream.GetReadOffset() ) );
}
}
else if ( packet->data[ 0 ] == ID_BROADCAST_PINGS )
{
PlayerID playerId;
int index;
bitStream.IgnoreBits( 8 ); // Ignore identifier
for ( i = 0; i < 32; i++ )
{
if ( bitStream.Read( playerId.binaryAddress ) == false )
break; // No remaining data!
bitStream.Read( playerId.port );
index = GetOtherClientIndexByPlayerID( playerId );
if ( index >= 0 )
bitStream.Read( otherClients[ index ].ping );
else
{
index = GetFreeOtherClientIndex();
if ( index >= 0 )
{
otherClients[ index ].isActive = true;
bitStream.Read( otherClients[ index ].ping );
otherClients[ index ].playerId = playerId;
otherClients[ index ].staticData.Reset();
}
else
bitStream.IgnoreBits( sizeof( short ) * 8 );
}
}
DeallocatePacket( packet );
return 0;
}
else if ( packet->data[ 0 ] == ID_TIMESTAMP &&
packet->length == sizeof(unsigned char)+sizeof(unsigned int)+sizeof(unsigned char)+sizeof(unsigned int)+sizeof(unsigned int) )
{
/*
RakNet::BitStream s_BitS( (char *)packet->data, SetRandomNumberSeedStruct_Size, false );
SetRandomNumberSeedStruct s;
s.Deserialize( s_BitS );
*/
RakNet::BitStream inBitStream((char *)packet->data, packet->length, false);
/*
unsigned char ts;
unsigned int timeStamp;
unsigned char typeId;
unsigned int seed;
unsigned int nextSeed;
*/
unsigned int timeStamp;
unsigned char typeId;
unsigned int in_seed;
unsigned int in_nextSeed;
inBitStream.IgnoreBits(8); // ID_TIMESTAMP
inBitStream.Read(timeStamp);
inBitStream.Read(typeId); // ID_SET_RANDOM_NUMBER_SEED ?
// Check to see if this is a user TIMESTAMP message which
// accidentally has length SetRandomNumberSeedStruct_Size
if ( typeId != ID_SET_RANDOM_NUMBER_SEED )
return packet;
inBitStream.Read(in_seed);
inBitStream.Read(in_nextSeed);
seed = in_seed;
nextSeed = in_nextSeed;
nextSeedUpdate = timeStamp + 9000; // Seeds are updated every 9 seconds
DeallocatePacket( packet );
return 0;
}
}
return packet;
}
