void CLocalPlayer::SendOnFootFullSyncData()
{
if(m_pPlayerPed)
{
RakNet::BitStream bsPlayerSync;
PLAYER_SYNC_DATA playerSyncData;
// write packet id
bsPlayerSync.Write((MessageID)ID_PLAYER_SYNC);
// get the player keys
playerSyncData.wKeys = m_pPlayerPed->GetKeys();
// get the player position
m_pPlayerPed->GetPosition(&playerSyncData.vecPos);
// get the player rotation
playerSyncData.fRotation = m_pPlayerPed->GetRotation();
// get player current weapon (casted to a byte to save space)
playerSyncData.byteCurrentWeapon = m_pPlayerPed->GetCurrentWeapon();
// get player shooting flags
playerSyncData.byteShootingFlags = m_pPlayerPed->GetShootingFlags();
// get player health (casted to a byte to save space)
playerSyncData.byteHealth = (BYTE)m_pPlayerPed->GetHealth();
// get player armour (casted to a byte to save space)
playerSyncData.byteArmour = (BYTE)m_pPlayerPed->GetArmour();
// write player sync data struct
bsPlayerSync.Write((char *)&playerSyncData, sizeof(PLAYER_SYNC_DATA));
// send aiming data if player has fire key held down and we have ammo
if(m_pPlayerPed->IsFiring() && m_pPlayerPed->HasAmmoForCurrentWeapon())
{
// write a 1 bit to say the bit stream has aim sync data
bsPlayerSync.Write1();
// get the camera pointer
CAMERA_TYPE * pCamera = pGame->GetCamera()->GetCamera();
// write the aim sync data
bsPlayerSync.Write((char *)&pCamera->aim, sizeof(CAMERA_AIM));
}
else
{
// write a 0 bit to say the bit stream has no aim sync data
bsPlayerSync.Write0();
}
// send sync data
pNetowkManager->GetRakPeer()->Send(&bsPlayerSync,HIGH_PRIORITY,UNRELIABLE_SEQUENCED,0,UNASSIGNED_SYSTEM_ADDRESS,TRUE);
}
}
void CPlayer::BroadcastSyncData()
{
RakNet::BitStream bsSync;
if(m_byteUpdateFromNetwork == UPDATE_TYPE_FULL_ONFOOT)
{
PLAYER_SYNC_DATA playerSyncData;
bsSync.Write((MessageID)ID_PLAYER_SYNC);
bsSync.Write(m_bytePlayerID);
playerSyncData.wKeys = m_wKeys;
memcpy(&playerSyncData.vecPos, &m_vecPos, sizeof(Vector3));
playerSyncData.fRotation = m_fRotation;
playerSyncData.byteCurrentWeapon = m_byteCurrentWeapon;
playerSyncData.byteShootingFlags = m_byteShootingFlags;
playerSyncData.byteHealth = m_byteHealth;
playerSyncData.byteArmour = m_byteArmour;
bsSync.Write((char *)&playerSyncData, sizeof(PLAYER_SYNC_DATA));
if(m_bHasAim)
{
bsSync.Write1();
bsSync.Write((char *)&m_Aiming, sizeof(S_CAMERA_AIM));
m_bHasAim = false;
}
else
{
bsSync.Write0();
}
pNetowkManager->BroadcastData(&bsSync,HIGH_PRIORITY,UNRELIABLE_SEQUENCED,0,m_bytePlayerID);
}
else if(m_byteUpdateFromNetwork == UPDATE_TYPE_FULL_INCAR)
{
VEHICLE_SYNC_DATA vehicleSyncData;
bsSync.Write((MessageID)ID_VEHICLE_SYNC);
bsSync.Write(m_bytePlayerID);
vehicleSyncData.vehicleID = m_vehicleID;
vehicleSyncData.wKeys = m_wKeys;
memcpy(&vehicleSyncData.vecRoll, &m_vecRoll, sizeof(Vector3));
memcpy(&vehicleSyncData.vecDirection, &m_vecDirection, sizeof(Vector3));
memcpy(&vehicleSyncData.vecPos, &m_vecPos, sizeof(Vector3));
memcpy(&vehicleSyncData.vecMoveSpeed, &m_vecMoveSpeed, sizeof(Vector3));
memcpy(&vehicleSyncData.vecTurnSpeed, &m_vecTurnSpeed, sizeof(Vector3));
vehicleSyncData.byteVehicleHealth = PACK_VEHICLE_HEALTH(m_fVehicleHealth);
vehicleSyncData.bytePlayerHealth = m_byteHealth;
vehicleSyncData.bytePlayerArmour = m_byteArmour;
bsSync.Write((char *)&vehicleSyncData, sizeof(VEHICLE_SYNC_DATA));
pNetowkManager->BroadcastData(&bsSync,HIGH_PRIORITY,UNRELIABLE_SEQUENCED,0,m_bytePlayerID);
}
}
void NetworkEngine::updatePingResponse()
{
RakNet::BitStream data;
if(isLobby())
{
data.Write1();
unsigned char numPlayers = (unsigned char) peer->NumberOfConnections();
data.Write(numPlayers);
std::cout << "Total players: " << (unsigned int) numPlayers << std::endl;
peer->SetOfflinePingResponse((char *)data.GetData(), data.GetNumberOfBytesUsed());
} else
{
data.Write0();
}
peer->SetOfflinePingResponse((char *)data.GetData(), data.GetNumberOfBytesUsed());
}
void NetworkManager::sendMessage(const short id, const char *data, const short len, Client *destination)
{
RakNet::BitStream bs;
bs.Write(id);
if (data && len > 0) {
bs.Write(len);
bs.Write(data,len);
} else
bs.Write((short)0);
SystemAddress recipient;
if (destination) {
recipient = destination->getSystemAddress();
bs.Write1();
} else {
recipient = UNASSIGNED_SYSTEM_ADDRESS;
bs.Write0();
}
rakPeer->RPC("NetworkManager::RPC_Message",&bs, HIGH_PRIORITY, RELIABLE_ORDERED, 0, recipient, (destination ? false : true), 0, UNASSIGNED_NETWORK_ID,0);
}
// Given a frequency table of 256 elements, all with a frequency of 1 or more, generate the tree
void HuffmanEncodingTree::GenerateFromFrequencyTable( unsigned int frequencyTable[ 256 ] )
{
int counter;
HuffmanEncodingTreeNode * node;
HuffmanEncodingTreeNode *leafList[ 256 ]; // Keep a copy of the pointers to all the leaves so we can generate the encryption table bottom-up, which is easier
// 1. Make 256 trees each with a weight equal to the frequency of the corresponding character
DataStructures::LinkedList<HuffmanEncodingTreeNode *> huffmanEncodingTreeNodeList;
FreeMemory();
for ( counter = 0; counter < 256; counter++ )
{
node = new HuffmanEncodingTreeNode;
node->left = 0;
node->right = 0;
node->value = (unsigned char) counter;
node->weight = frequencyTable[ counter ];
if ( node->weight == 0 )
node->weight = 1; // 0 weights are illegal
leafList[ counter ] = node; // Used later to generate the encryption table
InsertNodeIntoSortedList( node, &huffmanEncodingTreeNodeList ); // Insert and maintain sort order.
}
// 2. While there is more than one tree, take the two smallest trees and merge them so that the two trees are the left and right
// children of a new node, where the new node has the weight the sum of the weight of the left and right child nodes.
#ifdef _MSC_VER
#pragma warning( disable : 4127 ) // warning C4127: conditional expression is constant
#endif
while ( 1 )
{
huffmanEncodingTreeNodeList.Beginning();
HuffmanEncodingTreeNode *lesser, *greater;
lesser = huffmanEncodingTreeNodeList.Pop();
greater = huffmanEncodingTreeNodeList.Pop();
node = new HuffmanEncodingTreeNode;
node->left = lesser;
node->right = greater;
node->weight = lesser->weight + greater->weight;
lesser->parent = node; // This is done to make generating the encryption table easier
greater->parent = node; // This is done to make generating the encryption table easier
if ( huffmanEncodingTreeNodeList.Size() == 0 )
{
// 3. Assign the one remaining node in the list to the root node.
root = node;
root->parent = 0;
break;
}
// Put the new node back into the list at the correct spot to maintain the sort. Linear search time
InsertNodeIntoSortedList( node, &huffmanEncodingTreeNodeList );
}
bool tempPath[ 256 ]; // Maximum path length is 256
unsigned short tempPathLength;
HuffmanEncodingTreeNode *currentNode;
RakNet::BitStream bitStream;
// Generate the encryption table. From before, we have an array of pointers to all the leaves which contain pointers to their parents.
// This can be done more efficiently but this isn't bad and it's way easier to program and debug
for ( counter = 0; counter < 256; counter++ )
{
// Already done at the end of the loop and before it!
tempPathLength = 0;
// Set the current node at the leaf
currentNode = leafList[ counter ];
do
{
if ( currentNode->parent->left == currentNode ) // We're storing the paths in reverse order.since we are going from the leaf to the root
tempPath[ tempPathLength++ ] = false;
else
tempPath[ tempPathLength++ ] = true;
currentNode = currentNode->parent;
}
while ( currentNode != root );
// Write to the bitstream in the reverse order that we stored the path, which gives us the correct order from the root to the leaf
while ( tempPathLength-- > 0 )
{
if ( tempPath[ tempPathLength ] ) // Write 1's and 0's because writing a bool will write the BitStream TYPE_CHECKING validation bits if that is defined along with the actual data bit, which is not what we want
bitStream.Write1();
else
bitStream.Write0();
}
// Read data from the bitstream, which is written to the encoding table in bits and bitlength. Note this function allocates the encodingTable[counter].encoding pointer
encodingTable[ counter ].bitLength = ( unsigned char ) bitStream.CopyData( &encodingTable[ counter ].encoding );
// Reset the bitstream for the next iteration
bitStream.Reset();
}
}
void CChat::ProcessInput( void )
{
// Are we not connected?
if( !pCore->GetNetworkModule() || !pCore->GetNetworkModule()->IsConnected() )
return;
// Was anything entered?
if( m_strInput.GetLength() > 0 )
{
// Is the input a command?
bool bIsCommand = (m_strInput.GetChar( 0 ) == CHAT_CMD_CHAR);
// Internal cmds
bool bHasUsedCmd = false;
// Process internal commands
if( bIsCommand )
{
//
std::string sInput = m_strInput.Get();
// Get the end of the command
size_t sCommandEnd = sInput.find( " " );
// If we don't have a valid end use the end of the string
if ( sCommandEnd == std::string::npos )
sCommandEnd = sInput.length();
// Get the command name
std::string strCommand = sInput.substr( 1, (sCommandEnd - 1) );
// Get the command parameters
std::string strParams;
// Do we have any parameters?
if( sCommandEnd < sInput.length() )
strParams = sInput.substr( (sCommandEnd + 1), sInput.length() );
if( strCommand == "q" || strCommand == "quit" || strCommand == "exit" )
{
// Shutdown
pCore->Shutdown();
return;
}
else if( strCommand == "disconnect" )
{
// Are we connected?
if( pCore->GetNetworkModule() && pCore->GetNetworkModule()->IsConnected() )
{
// Disconnect from the network
pCore->GetNetworkModule()->Disconnect();
// Stop multiplayer
pCore->StopMultiplayer();
// Go back to main menu
pCore->GetGUI()->GetMainMenu()->SetVisible( true );
}
bHasUsedCmd = true;
}
else if( strCommand == "savepos" )
{
bHasUsedCmd = true;
// Are we spawned?
if( pCore->GetPlayerManager()->GetLocalPlayer()->IsSpawned() )
{
//
CVector3 vecPosition;
CVector3 vecRotation;
bool bOnFoot = true;
// Is the player on-foot?
if( pCore->GetPlayerManager()->GetLocalPlayer()->GetState() == ePlayerState::PLAYERSTATE_ONFOOT )
{
// Get the localplayer position
pCore->GetPlayerManager()->GetLocalPlayer()->GetPosition( &vecPosition );
// Get the localplayer rotation
pCore->GetPlayerManager()->GetLocalPlayer()->GetRotation( &vecRotation );
}
else if( pCore->GetPlayerManager()->GetLocalPlayer()->GetState() == ePlayerState::PLAYERSTATE_DRIVER || pCore->GetPlayerManager()->GetLocalPlayer()->GetState() == ePlayerState::PLAYERSTATE_PASSENGER )
{
// Get the vehicle position
pCore->GetPlayerManager()->GetLocalPlayer()->GetVehicle()->GetPosition( &vecPosition );
// Get the vehicle rotation
pCore->GetPlayerManager()->GetLocalPlayer()->GetVehicle()->GetRotation( &vecRotation );
//
bOnFoot = false;
}
// Open the saved positions file
FILE * pFile = fopen( SharedUtility::GetAbsolutePath( "data\\savedpositions.txt" ).Get(), "a" );
// Did the file open?
if( pFile )
{
// Get the localplayer pointer
CLocalPlayer * pLocalPlayer = pCore->GetPlayerManager()->GetLocalPlayer();
// Save the player position
fprintf( pFile, "%d, %f, %f, %f, %f, %f, %f // %s\n", (bOnFoot ? pLocalPlayer->GetModel () : pLocalPlayer->GetVehicle()->GetModel ()), vecPosition.fX, vecPosition.fY, vecPosition.fZ, vecRotation.fX, vecRotation.fY, vecRotation.fZ, strParams.c_str() );
// Close the saved positions file
fclose( pFile );
//
AddInfoMessage( (bOnFoot ? " -> Onfoot position saved!" : " -> Invehicle position saved!") );
}
else
{
//
AddInfoMessage( CColor( 255, 0, 0, 255 ), "Failed to open savedpositions.txt" );
}
}
}
#ifdef DEBUG
else if( strCommand == "lua" )
{
bHasUsedCmd = true;
if( CLua::Execute( strParams.c_str() ) )
AddInfoMessage( CColor( 50, 177, 94, 255 ), strParams.c_str() );
else
AddInfoMessage( CColor( 178, 40, 86, 255 ), strParams.c_str() );
}
#endif
}
// Have we used a command?
if( bHasUsedCmd )
{
// Add this command to the history
AddToHistory();
// This is an internal command, don't pass it to the server!
return;
}
// Is the network module instance valid?
if( pCore->GetNetworkModule() )
{
// Are we connected?
if( pCore->GetNetworkModule()->IsConnected() )
{
RakNet::BitStream bitStream;
RakNet::RakString strInput;
// Is this a command?
if( bIsCommand )
{
// Write 1
bitStream.Write1();
// Set the input minus the command character
strInput = (GetInputText() + 1);
}
else
{
// Write 0
bitStream.Write0();
// Set the input
strInput = GetInputText();
}
// Write the input
bitStream.Write( strInput );
// Call the client event
CSquirrelArguments pArguments;
pArguments.push( strInput.C_String () );
// Should we send this message?
if ( pCore->GetClientScriptingManager()->GetEvents()->Call( "onClientChat", &pArguments ).GetInteger() == 1 )
{
// Send it to the server
pCore->GetNetworkModule()->Call( RPC_PLAYER_CHAT, &bitStream, HIGH_PRIORITY, RELIABLE_ORDERED, true );
// Add this message to the history
AddToHistory();
// Add the chat message for the localplayer if it's not a command
if ( !bIsCommand )
AddChatMessage( pCore->GetPlayerManager()->GetLocalPlayer(), GetInputText() );
}
}
}
}
}
void PlayerManager::HandlePacket(RakNet::Packet *packet)
{
RakNet::BitStream receivedData(packet->data, packet->length, false);
RakNetwork *network = m_Network;
RakNetGUID remotePeerGUID = packet->guid;
unsigned char type;
receivedData.Read(type);
if (type == ID_NEW_INCOMING_CONNECTION)
{
// Notify new peers about the existing players
if (NetworkManager::ArbitratorIsLocal())
{
for (auto it = PlayerRegistry::PlayersBegin(), end = PlayerRegistry::PlayersEnd(); it != end; ++it)
{
RakNet::BitStream newPlayerNotification;
newPlayerNotification.Write0(); // Tell the peer that the player is on another system
newPlayerNotification.Write(it->NetID);
if (it->LocalIndex >= s_MaxLocalPlayers)
newPlayerNotification.Write(it->GUID); // Remote player (relative to this arbitrator)
else
newPlayerNotification.Write(NetworkManager::GetNetwork()->GetLocalGUID()); // Local player
network->Send(
NetDestination(remotePeerGUID, false),
!Timestamped,
MTID_ADDPLAYER, &newPlayerNotification,
MEDIUM_PRIORITY, RELIABLE_ORDERED, CID_SYSTEM);
}
}
}
else if (type == MTID_ADDPLAYER)
{
if (NetworkManager::ArbitratorIsLocal())
{
// So we can tell the remote peer what requested player we are adding:
unsigned int remotePlayerIndex;
receivedData.Read(remotePlayerIndex);
PlayerID netId = m_NextNetId++;//m_UnusedNetIds.getFreeID();
PlayerRegistry::AddRemotePlayer(netId, remotePeerGUID);
{
RakNet::BitStream response;
response.Write1(); // Tell the peer that the player being added is on their system
response.Write(netId);
response.Write(remotePlayerIndex);
network->Send(
NetDestination(remotePeerGUID, false),
!Timestamped,
MTID_ADDPLAYER, &response,
MEDIUM_PRIORITY, RELIABLE_ORDERED, CID_SYSTEM);
}
{
RakNet::BitStream newPlayerNotification;
newPlayerNotification.Write0(); // Tell the peer that the player being added is on another system
newPlayerNotification.Write(netId);
newPlayerNotification.Write(remotePeerGUID);
network->Send(
NetDestination(remotePeerGUID, true), // Broadcast
!Timestamped,
MTID_ADDPLAYER, &newPlayerNotification,
MEDIUM_PRIORITY, RELIABLE_ORDERED, CID_SYSTEM);
}
}
else
{
bool localPlayer = receivedData.ReadBit();
// The net ID the arbiter has assigned to the new player:
PlayerID netId;
receivedData.Read(netId);
if (localPlayer)
{
unsigned int localIndex;
receivedData.Read(localIndex);
PlayerRegistry::AddLocalPlayer(netId, localIndex);
}
else
{
RakNetGUID guid;
receivedData.Read(guid);
PlayerRegistry::AddRemotePlayer(netId, guid);
}
}
}
else if (type == MTID_REMOVEPLAYER)
{
PlayerID netId;
receivedData.Read(netId);
PlayerRegistry::RemovePlayer(netId);
}
}
void CLocalPlayer::OnLeaveVehicle( void )
{
// Set the player state
SetState( PLAYERSTATE_ONFOOT );
// Is the vehicle instance valid?
if( m_pVehicle )
{
// Get the seat of this player
EntityId seat = m_seat;
// Construct a new bitstream
RakNet::BitStream pBitStream;
// Write the vehicle id
pBitStream.WriteCompressed( m_pVehicle->GetId() );
// Write the seat
pBitStream.WriteCompressed( seat );
// Write if we're exiting quickly!
m_bFastExitVehicle ? pBitStream.Write1() : pBitStream.Write0();
// Send to the server
pCore->GetNetworkModule()->Call( RPC_EXIT_VEHICLE, &pBitStream, HIGH_PRIORITY, RELIABLE_ORDERED, true );
#ifdef DEBUG
pCore->GetChat()->AddDebugMessage( "CLocalPlayer::OnExitVehicle( %d, %d ) - Forcefully: %s", m_pVehicle->GetId(), seat, (IsBeingRemovedForcefully () ? "Yes" : "No") );
#endif
// Are we not being removed forcefully?
if ( !IsBeingRemovedForcefully () )
{
// Handle this enter with the network vehicle
m_pVehicle->HandlePlayerExit( this, seat, false );
// Do we need to respawn this vehicle? (Set to true when vehicle enters water)
if( bRespawnVehicle && m_seat == 0 )
{
// Respawn the vehicle
m_pVehicle->Respawn();
//
bRespawnVehicle = false;
}
// Are we a passenger?
if( m_seat > 0 )
{
// Restore the player controls
LockControls( bOldControlState );
// Restore the camera lock state
pCore->GetCamera()->LockControl( bOldCameraState );
//
*(DWORD *)(m_pPlayerPed->GetPed() + 0x310) = 6;
}
}
// Reset the vehicle
SetVehicle( NULL );
// Reset the seat
SetSeat( INVALID_ENTITY_ID );
// Reset the target data
SetEnteringVehicle( NULL, INVALID_ENTITY_ID );
// Reset the fast vehicle exit flag
FlagForFastExitVehicle ( false );
// Reset the forceful exit flag
SetRemoveForcefully ( false );
}
}