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CPacketHandler.cpp
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CPacketHandler.cpp
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/*****************************************************************************
*
* PROJECT: Multi Theft Auto v1.0
* LICENSE: See LICENSE in the top level directory
* FILE: mods/deathmatch/logic/CPacketHandler.cpp
* PURPOSE: Packet handling and processing
* DEVELOPERS: Christian Myhre Lundheim <>
* Jax <>
* Stanislav Bobrov <lil_toady@hotmail.com>
* Cecill Etheredge <ijsf@gmx.net>
* Alberto Alonso <rydencillo@gmail.com>
*
* Multi Theft Auto is available from http://www.multitheftauto.com/
*
*****************************************************************************/
#include "StdInc.h"
#include "net/SyncStructures.h"
using std::list;
class CCore;
// TODO: Make this independant of g_pClientGame. Just moved it here to get it out of the
// horribly big CClientGame file.
bool CPacketHandler::ProcessPacket ( unsigned char ucPacketID, NetBitStreamInterface& bitStream )
{
// Can the net api handle it?
if ( g_pClientGame->m_pNetAPI->ProcessPacket ( ucPacketID, bitStream ) )
{
return true;
}
// Can we handle it?
switch ( ucPacketID )
{
case PACKET_ID_SERVER_JOIN_COMPLETE:
Packet_ServerConnected ( bitStream );
return true;
case PACKET_ID_SERVER_JOINEDGAME:
Packet_ServerJoined ( bitStream );
return true;
case PACKET_ID_SERVER_DISCONNECTED:
Packet_ServerDisconnected ( bitStream );
return true;
case PACKET_ID_PLAYER_LIST:
Packet_PlayerList ( bitStream );
return true;
case PACKET_ID_PLAYER_QUIT:
Packet_PlayerQuit ( bitStream );
return true;
case PACKET_ID_PLAYER_SPAWN:
Packet_PlayerSpawn ( bitStream );
return true;
case PACKET_ID_PED_WASTED:
Packet_PlayerWasted ( bitStream );
return true;
case PACKET_ID_PLAYER_WASTED:
Packet_PlayerWasted ( bitStream );
return true;
case PACKET_ID_PLAYER_CHANGE_NICK:
Packet_PlayerChangeNick ( bitStream );
return true;
case PACKET_ID_CHAT_ECHO:
Packet_ChatEcho ( bitStream );
return true;
case PACKET_ID_CONSOLE_ECHO:
Packet_ConsoleEcho ( bitStream );
return true;
case PACKET_ID_DEBUG_ECHO:
Packet_DebugEcho ( bitStream );
return true;
case PACKET_ID_VEHICLE_SPAWN:
Packet_VehicleSpawn ( bitStream );
return true;
case PACKET_ID_VEHICLE_INOUT:
Packet_Vehicle_InOut ( bitStream );
return true;
case PACKET_ID_VEHICLE_DAMAGE_SYNC:
Packet_VehicleDamageSync ( bitStream );
return true;
case PACKET_ID_VEHICLE_TRAILER:
Packet_VehicleTrailer ( bitStream );
return true;
// Map information packet sent when you join if a map is being played
case PACKET_ID_MAP_INFO:
Packet_MapInfo ( bitStream );
return true;
// Contains info for progress of a large packet
case PACKET_ID_PACKET_PROGRESS:
Packet_PartialPacketInfo ( bitStream );
return true;
case PACKET_ID_PLAYER_NETWORK_STATUS:
Packet_PlayerNetworkStatus( bitStream );
return true;
// Adds a new entity of any type to the world streamer.
case PACKET_ID_ENTITY_ADD:
Packet_EntityAdd ( bitStream );
return true;
// Deletes vehicles
case PACKET_ID_ENTITY_REMOVE:
Packet_EntityRemove ( bitStream );
return true;
// Respawns/hides pickups
case PACKET_ID_PICKUP_HIDESHOW:
Packet_PickupHideShow ( bitStream );
return true;
// Pickup hit confirmations
case PACKET_ID_PICKUP_HIT_CONFIRM:
Packet_PickupHitConfirm ( bitStream );
return true;
// Functions from LUA scripts server side
case PACKET_ID_LUA:
case PACKET_ID_LUA_ELEMENT_RPC:
Packet_Lua ( ucPacketID, bitStream );
return true;
case PACKET_ID_TEXT_ITEM:
Packet_TextItem ( bitStream );
break;
case PACKET_ID_EXPLOSION:
Packet_ExplosionSync ( bitStream );
break;
case PACKET_ID_FIRE:
Packet_FireSync ( bitStream );
break;
case PACKET_ID_PROJECTILE:
Packet_ProjectileSync ( bitStream );
break;
case PACKET_ID_PLAYER_STATS:
Packet_PlayerStats ( bitStream );
break;
case PACKET_ID_PLAYER_CLOTHES:
Packet_PlayerClothes ( bitStream );
break;
case PACKET_ID_LUA_EVENT:
Packet_LuaEvent ( bitStream );
break;
case PACKET_ID_RESOURCE_START:
Packet_ResourceStart ( bitStream );
return true;
case PACKET_ID_RESOURCE_STOP:
Packet_ResourceStop ( bitStream );
return true;
case PACKET_ID_RESOURCE_CLIENT_SCRIPTS:
Packet_ResourceClientScripts ( bitStream );
return true;
case PACKET_ID_DETONATE_SATCHELS:
Packet_DetonateSatchels ( bitStream );
return true;
case PACKET_ID_DESTROY_SATCHELS:
Packet_DestroySatchels ( bitStream );
return true;
case PACKET_ID_VOICE_DATA:
Packet_VoiceData ( bitStream );
return true;
case PACKET_ID_UPDATE_INFO:
Packet_UpdateInfo ( bitStream );
return true;
case PACKET_ID_LATENT_TRANSFER:
Packet_LatentTransfer ( bitStream );
return true;
case PACKET_ID_SYNC_SETTINGS:
Packet_SyncSettings ( bitStream );
return true;
case PACKET_ID_PED_TASK:
Packet_PedTask ( bitStream );
return true;
default: break;
}
// See if unoccupied sync can handle it
if ( g_pClientGame->GetUnoccupiedVehicleSync ()->ProcessPacket ( ucPacketID, bitStream ) )
return true;
else if ( g_pClientGame->GetPedSync ()->ProcessPacket ( ucPacketID, bitStream ) )
return true;
#ifdef WITH_OBJECT_SYNC
else if ( g_pClientGame->GetObjectSync ()->ProcessPacket ( ucPacketID, bitStream ) )
return true;
#endif
return false;
}
void CPacketHandler::Packet_ServerConnected ( NetBitStreamInterface& bitStream )
{
// unsigned char [x] - server version string
// If we're not "connecting", we shouldn't have received this packet. Unload.
if ( g_pClientGame->m_Status != CClientGame::STATUS_CONNECTING )
{
RaiseProtocolError ( 1 );
return;
}
/*
* We *REALLY* need to use the CPlayerJoinCompletePacket class here
* instead of reading this out separately.
*/
// Extract the version string
char szVersionString [128];
szVersionString[0] = '\0';
unsigned short ucSize = 0;
if (!bitStream.Read(ucSize))
{
__asm int 3;
g_pCore->SetConnected ( false );
return;
}
// Adjust the size to our buffer size
if ( ucSize > sizeof ( szVersionString ) - 1 )
{
ucSize = sizeof ( szVersionString ) - 1;
}
// Read out the reason to a buffer
bitStream.Read(szVersionString, ucSize);
if (ucSize)
szVersionString[ucSize] = '\0';
// Run it through the character filter
StripUnwantedCharacters ( szVersionString, ' ' );
// Echo Connected to the chatbox
if ( szVersionString[0] != '\0' )
{
g_pCore->ChatPrintfColor ( "* Connected! [%s]", false, CHATCOLOR_INFO, szVersionString );
}
else
{
g_pCore->ChatEchoColor ( "* Connected!", CHATCOLOR_INFO );
}
// Get the long server version
SString strServerVersionSortable;
bitStream.ReadString ( strServerVersionSortable );
g_pClientGame->SetServerVersionSortable ( strServerVersionSortable );
//m_Status = CClientGame::STATUS_TRANSFER;
// Tell the core we're finished
g_pCore->SetConnected ( true );
g_pCore->HideMainMenu ();
// We're now "Joining"
g_pClientGame->m_Status = CClientGame::STATUS_JOINING;
// If the game isn't started, start it
if ( g_pGame->GetSystemState () == 7 )
{
g_pGame->StartGame ();
}
}
void CPacketHandler::Packet_ServerJoined ( NetBitStreamInterface& bitStream )
{
// ElementID (2) - assigned player id
// unsigned char (1) - number of players in the server (including local)
// ElementID (2) - root element id
// unsigned char (1) - HTTP Download Type
// HTTP Download Type
// 0 - Disabled (0)
// 1 - Port
// unsigned short (2) - HTTP Download Port
// 2 - URL
// unsigned short (2) - HTTP Download URL Size
// unsigned char (X) - HTTP Download URL
// Make sure any existing messageboxes are hided
g_pCore->RemoveMessageBox ();
// Are we ingame?
if ( !g_pClientGame->m_bGameLoaded )
{
RaiseProtocolError ( 2 );
return;
}
// Are we JOINING? (if not, protocol error)
if ( g_pClientGame->m_Status != CClientGame::STATUS_JOINING )
{
RaiseProtocolError ( 3 );
return;
}
// Read out our local id
bitStream.Read ( g_pClientGame->m_LocalID );
if ( g_pClientGame->m_LocalID == INVALID_ELEMENT_ID )
{
RaiseProtocolError ( 4 );
return;
}
// Set our player ID
CClientPlayer* pPlayer = g_pClientGame->m_pPlayerManager->GetLocalPlayer ();
if ( !pPlayer )
{
RaiseProtocolError ( 5 );
return;
}
pPlayer->SetID ( g_pClientGame->m_LocalID );
// Read out number of players
unsigned char ucNumberOfPlayers = 0;
bitStream.Read ( ucNumberOfPlayers );
// Can't be 0
if ( ucNumberOfPlayers == 0 )
{
RaiseProtocolError ( 14 );
return;
}
// Read out the root element id
ElementID RootElementID;
bitStream.Read ( RootElementID );
if ( RootElementID == INVALID_ELEMENT_ID )
{
// Raise an error
return;
}
g_pClientGame->m_pRootEntity->SetID ( RootElementID );
// Get amount of checking to do, as determined by the server
int iEnableClientChecks = -1;
bitStream.Read ( iEnableClientChecks );
// Get whether or not voice is enabled, as determined by the server
bool bVoiceEnabled = true;
bitStream.ReadBit ( bVoiceEnabled );
// Get the current sample rate for the voice module
SIntegerSync < unsigned char, 2 > sampleRate;
bitStream.Read ( &sampleRate );
// Get the current voice for the voice module
SIntegerSync < unsigned char, 4 > quality;
bitStream.Read ( &quality );
unsigned int iBitrate;
bitStream.ReadCompressed ( iBitrate );
g_pClientGame->InitVoice ( bVoiceEnabled, (unsigned int)sampleRate, quality, iBitrate );
// Limit number of http request if required by the server
int iHTTPMaxConnectionsPerClient = 4;
bitStream.Read ( iHTTPMaxConnectionsPerClient );
// HTTP Download Type
unsigned char ucHTTPDownloadType;
bitStream.Read ( ucHTTPDownloadType );
ushort usHTTPDownloadPort;
bitStream.Read ( usHTTPDownloadPort );
SString strExternalHTTPDownloadURL;
if ( ucHTTPDownloadType == HTTP_DOWNLOAD_ENABLED_URL )
{
bitStream.ReadString( strExternalHTTPDownloadURL );
}
//
// Add servers to use
//
// Allow forcing of SingleDownloadOption with core config option <single_download>1</single_download>
if ( g_pCore->GetCVars ()->GetValue ( "single_download", 0 ) == 1 )
iHTTPMaxConnectionsPerClient = 1;
// First HTTP server is external if present
if ( !strExternalHTTPDownloadURL.empty() )
{
g_pClientGame->GetResourceFileDownloadManager()->AddServer( strExternalHTTPDownloadURL, iHTTPMaxConnectionsPerClient, EDownloadMode::RESOURCE_INITIAL_FILES_EXTERNAL, 3, 6000 );
}
// Last (or only) HTTP server is internal
SString strInternalHTTPDownloadURL = SString ( "http://%s:%d", g_pNet->GetConnectedServer(), usHTTPDownloadPort );
g_pClientGame->GetResourceFileDownloadManager()->AddServer( strInternalHTTPDownloadURL, 1, EDownloadMode::RESOURCE_INITIAL_FILES_INTERNAL, 10, 10000 );
// Set appropriate server for stupid SingularFileDownloadManager
g_pClientGame->m_strHTTPDownloadURL = !strExternalHTTPDownloadURL.empty() ? strExternalHTTPDownloadURL : strInternalHTTPDownloadURL;
// Make the camera black until we spawn
// Anyone want to document wtf these values are? Why are we putting seemingly "random"
// numbers everywhere? --slush.
CVector vecPos ( -2377, -1636, 700 );
/*m_pCamera->SetFocus ( m_pLocalPlayer, MODE_FIXED, false );
m_pCamera->SetFocus ( &vecPos, false );*/
g_pClientGame->m_pCamera->ToggleCameraFixedMode ( true );
g_pClientGame->m_pCamera->SetPosition ( vecPos );
g_pClientGame->m_pCamera->SetFixedTarget ( CVector ( 0, 0, 720 ) );
// We're now joined
g_pClientGame->m_Status = CClientGame::STATUS_JOINED;
// Request the on join stuff
g_pClientGame->GetNetAPI ()->RPC ( INITIAL_DATA_STREAM );
// Call the onClientPlayerJoin event for ourselves
CLuaArguments Arguments;
g_pClientGame->m_pLocalPlayer->CallEvent ( "onClientPlayerJoin", Arguments, true );
g_pCore->UpdateRecentlyPlayed();
}
void CPacketHandler::Packet_ServerDisconnected ( NetBitStreamInterface& bitStream )
{
// unsigned char [x] - disconnect reason
char ucType;
// Adjust the size to our buffer size
SString strDuration;
SString strReason;
SString strErrorCode;
bool bShowMessageBox = true;
bool bExpectExtraString = false;
bitStream.ReadBits ( &ucType, 5 );
switch ( ucType )
{
case ePlayerDisconnectType::INVALID_NICKNAME:
strReason = _("Disconnected: Invalid nickname"); strErrorCode = _E("CD30");
break;
case ePlayerDisconnectType::NO_REASON:
strReason = _("Disconnect from server"); strErrorCode = _E("CD31");
break;
case ePlayerDisconnectType::BANNED_SERIAL:
strReason = _("Disconnected: Serial is banned.\nReason: %s"); strErrorCode = _E("CD32");
bExpectExtraString = true;
bitStream.ReadString ( strDuration );
break;
case ePlayerDisconnectType::BANNED_IP:
strReason = _("Disconnected: You are banned.\nReason: %s"); strErrorCode = _E("CD33");
bExpectExtraString = true;
bitStream.ReadString ( strDuration );
break;
case ePlayerDisconnectType::BANNED_ACCOUNT:
strReason = _("Disconnected: Account is banned.\nReason: %s"); strErrorCode = _E("CD34");
bExpectExtraString = true;
break;
case ePlayerDisconnectType::VERSION_MISMATCH:
strReason = _("Disconnected: Version mismatch"); strErrorCode = _E("CD35");
break;
case ePlayerDisconnectType::JOIN_FLOOD:
strReason = _("Disconnected: Join flood. Please wait a minute, then reconnect."); strErrorCode = _E("CD36");
break;
case ePlayerDisconnectType::DIFFERENT_BRANCH:
strReason = _("Disconnected: Server from different branch.\nInformation: %s"); strErrorCode = _E("CD37");
bExpectExtraString = true;
break;
case ePlayerDisconnectType::BAD_VERSION:
strReason = _("Disconnected: Bad version.\nInformation: %s"); strErrorCode = _E("CD38");
bExpectExtraString = true;
break;
case ePlayerDisconnectType::SERVER_NEWER:
strReason = _("Disconnected: Server is running a newer build.\nInformation: %s"); strErrorCode = _E("CD39");
bExpectExtraString = true;
break;
case ePlayerDisconnectType::SERVER_OLDER:
strReason = _("Disconnected: Server is running an older build.\nInformation: %s"); strErrorCode = _E("CD40");
bExpectExtraString = true;
break;
case ePlayerDisconnectType::NICK_CLASH:
strReason = _("Disconnected: Nick already in use"); strErrorCode = _E("CD41");
break;
case ePlayerDisconnectType::ELEMENT_FAILURE:
strReason = _("Disconnected: Player Element Could not be created."); strErrorCode = _E("CD42");
break;
case ePlayerDisconnectType::GENERAL_REFUSED:
strReason = _("Disconnected: Server refused the connection: %s"); strErrorCode = _E("CD43");
bExpectExtraString = true;
break;
case ePlayerDisconnectType::SERIAL_VERIFICATION:
strReason = _("Disconnected: Serial verification failed"); strErrorCode = _E("CD44");
break;
case ePlayerDisconnectType::CONNECTION_DESYNC:
strReason = _("Disconnected: Connection desync %s"); strErrorCode = _E("CD45");
bExpectExtraString = true;
break;
case ePlayerDisconnectType::INVALID_PASSWORD:
g_pCore->ShowServerInfo ( 2 );
bShowMessageBox = false;
break;
case ePlayerDisconnectType::KICK:
strReason = _("Disconnected: You were kicked by %s"); strErrorCode = _E("CD46");
bExpectExtraString = true;
break;
case ePlayerDisconnectType::BAN:
strReason = _("Disconnected: You were banned by %s"); strErrorCode = _E("CD47");
bExpectExtraString = true;
bitStream.ReadString ( strDuration );
break;
case ePlayerDisconnectType::CUSTOM:
strReason = "%s"; strErrorCode = _E("CD48"); // Custom disconnect reason
bExpectExtraString = true;
break;
case ePlayerDisconnectType::SHUTDOWN:
strReason = _("Disconnected: Server shutdown or restarting"); strErrorCode = _E("CD49");
break;
default: break;
}
if ( bShowMessageBox )
{
// Read and insert extra string if required
SString strMessage;
if ( bitStream.GetNumberOfUnreadBits() > 7 ) // We have our string left to read
{
bitStream.ReadString ( strMessage );
}
if ( bExpectExtraString )
{
strReason = SString( strReason, strMessage.c_str() );
}
if ( !strDuration.empty() && strDuration != "0")
{
time_t Duration;
std::istringstream ( strDuration ) >> Duration;
strReason += "\n" ;
strReason += _("Time Remaining: ");
int iDays = static_cast < int > ( Duration / 86400 );
Duration = Duration % 86400;
int iHours = static_cast < int > ( Duration / 3600 );
Duration = Duration % 3600;
int iMins = static_cast < int > ( Duration / 60 );
if ( iDays )
strReason += SString(_tn( "%d day", "%d days", iDays ),iDays) += iHours ? " " : "";
if ( iHours )
strReason += SString(_tn( "%d hour", "%d hours", iHours ),iHours) += iMins ? " " : "";
if ( iMins )
strReason += SString(_tn( "%d minute", "%d minutes", iMins ),iMins);
}
// Display the error
g_pCore->ShowMessageBox ( _("Disconnected")+strErrorCode, strReason, MB_BUTTON_OK | MB_ICON_INFO );
}
AddReportLog( 7107, SString( "Game - Disconnected (%s) (%s)", *strErrorCode, *strReason.Replace( "\n", " " ) ) );
// Terminate the mod (disconnect first in case there were more packets after this one)
g_pClientGame->m_bGracefulDisconnect = true;
g_pNet->StopNetwork ();
g_pCore->GetModManager ()->RequestUnload ();
g_pClientGame->GetManager ()->SetGameUnloadedFlag ();
}
void CPacketHandler::Packet_PlayerList ( NetBitStreamInterface& bitStream )
{
// bool - show the "X has joined the game" messages?
// [ following repeats <number of players joined> times ]
// unsigned char (1) - assigned player id
// unsigned char (1) - player nick length
// unsigned char (X) - player nick (X = player nick length)
// unsigned char (1) - nametag text length
// unsigned char (X) - nametag text (X = nametag text length)
// unsigned char (3) - nametag color
// unsigned char (1) - nametag showing
// bool - is he dead?
// bool - spawned? (following data only if this is TRUE)
// unsigned char (1) - model id
// ElementID (2) - team id
// bool - in a vehicle?
// ElementID (2) - vehicle id (if vehicle)
// unsigned char (1) - vehicle seat (if vehicle)
// CVector (12) - position (if player)
// float (4) - rotation (if player)
// bool - has a jetpack?
// unsigned short (2) - dimension
// unsigned char (1) - fighting style
// Dear God, please fix issue #7376
// The game must be loaded or the game will crash
if ( g_pClientGame->m_Status != CClientGame::STATUS_JOINED )
{
RaiseProtocolError ( 7 );
return;
}
SString strACInfo;
SString strSDInfo;
bitStream.ReadString ( strACInfo );
bitStream.ReadString ( strSDInfo );
// Grab the flags
bool bJustJoined;
if ( !bitStream.ReadBit ( bJustJoined ) )
{
RaiseProtocolError ( 8 );
return;
}
if ( !bJustJoined )
{
SString strAllowedFiles = "Undisclosed";
SString strDisabledAC = "Undisclosed";
SString strEnabledSD = "Undisclosed";
if ( !strACInfo.empty () )
{
SString strVerifyFiles = strACInfo.SplitLeft ( "," );
strDisabledAC = strACInfo.SplitRight ( "," );
strEnabledSD = strSDInfo;
strDisabledAC = strDisabledAC == "" ? "None" : strDisabledAC;
strEnabledSD = strEnabledSD == "" ? "None" : strEnabledSD;
int iVerifyFiles = atoi ( strVerifyFiles );
if ( iVerifyFiles == -1 )
strAllowedFiles = "None";
else
if ( iVerifyFiles == 0 )
strAllowedFiles = "All";
else
{
strAllowedFiles = "";
for ( uint i = 0 ; i < 31 ; i++ )
{
if ( ( iVerifyFiles & ( 1 << i ) ) == 0 )
{
if ( !strAllowedFiles.empty () )
strAllowedFiles += ",";
strAllowedFiles += SString ( "%d", i + 1 );
}
}
}
}
g_pClientGame->m_strACInfo = SString ( "[Allowed client files: %s] [Disabled AC: %s] [Enabled SD: %s]", *strAllowedFiles, *strDisabledAC, *strEnabledSD );
g_pCore->GetConsole ()->Print ( SString ( "Server AC info: %s", *g_pClientGame->m_strACInfo ) );
}
// While there are bytes left, parse player list items
char szNickBuffer [MAX_PLAYER_NICK_LENGTH + 1];
while ( bitStream.GetNumberOfUnreadBits () >= 8 )
{
// Read out the assigned player id
ElementID PlayerID;
if ( !bitStream.Read ( PlayerID ) )
{
RaiseProtocolError ( 8 );
return;
}
unsigned char ucTimeContext = 255;
bitStream.Read ( ucTimeContext );
// Player nick length
unsigned char ucPlayerNickLength = 255;
if ( !bitStream.Read ( ucPlayerNickLength ) || ucPlayerNickLength < MIN_PLAYER_NICK_LENGTH || ucPlayerNickLength > MAX_PLAYER_NICK_LENGTH )
{
/*
* So what happens if someone is able to fake a packet with the nick len < MIN_PLAYER_NICK_LENGTH?
* This is what you call a DoS...
*
* --slush
*/
RaiseProtocolError ( 9 );
return;
}
// Read out the nick
bitStream.Read ( szNickBuffer, ucPlayerNickLength );
szNickBuffer [ ucPlayerNickLength ] = '\0';
// Strip the nick from any unwanted characters
StripUnwantedCharacters ( szNickBuffer, '_' );
// Read version info
ushort usBitStreamVersion = 0;
uint uiBuildNumber = 0;
if ( bitStream.Version () >= 0x34 )
{
bitStream.Read ( usBitStreamVersion );
bitStream.Read ( uiBuildNumber );
}
// Player flags
bool bIsDead = bitStream.ReadBit (); // Unused.
bool bIsSpawned = bitStream.ReadBit (); // Indicates extra info in packet. Always true for newer server builds.
bool bInVehicle = bitStream.ReadBit ();
bool bHasJetPack = bitStream.ReadBit ();
bool bNametagShowing = bitStream.ReadBit ();
bool bHasNametagColorOverridden = bitStream.ReadBit ();
bool bIsHeadless = bitStream.ReadBit ();
bool bIsFrozen = bitStream.ReadBit ();
// Player nametag text
char szNametagText [MAX_PLAYER_NAMETAG_LENGTH + 1];
szNametagText[0] = '\0';
unsigned char ucNametagTextLength;
if ( !bitStream.Read ( ucNametagTextLength ) || ucNametagTextLength > MAX_PLAYER_NAMETAG_LENGTH )
{
// Nametag length all wrong
RaiseProtocolError ( 9 );
return;
}
if ( ucNametagTextLength > 0 )
{
bitStream.Read ( szNametagText, ucNametagTextLength );
szNametagText [ ucNametagTextLength ] = '\0';
StripUnwantedCharacters ( szNametagText, '_' );
}
// Read out the nametag override color if it's overridden
unsigned char ucNametagR, ucNametagG, ucNametagB;
if ( bHasNametagColorOverridden )
{
bitStream.Read ( ucNametagR );
bitStream.Read ( ucNametagG );
bitStream.Read ( ucNametagB );
}
// Move anim
uchar ucMoveAnim = MOVE_DEFAULT;
if ( bitStream.Version() > 0x4B )
bitStream.Read ( ucMoveAnim );
// Read out the spawndata if he has spawned
unsigned short usPlayerModelID;
ElementID TeamID = INVALID_ELEMENT_ID;
ElementID ID = INVALID_ELEMENT_ID;
unsigned char ucVehicleSeat = 0xFF;
SPositionSync position ( false );
SPedRotationSync rotation;
unsigned short usDimension = 0;
unsigned char ucFightingStyle = 0;
SEntityAlphaSync alpha;
unsigned char ucInterior = 0;
if ( bIsSpawned ) // Always true for newer server builds.
{
// Read out the player model id
bitStream.ReadCompressed ( usPlayerModelID );
if ( !CClientPlayerManager::IsValidModel ( usPlayerModelID ) )
{
RaiseProtocolError ( 10 );
return;
}
// Team?
bool bHasTeam;
if ( !bitStream.ReadBit ( bHasTeam ) )
{
RaiseProtocolError ( 10 );
return;
}
if ( bHasTeam )
bitStream.Read ( TeamID );
// In vehicle?
if ( bInVehicle )
{
// Read out the vehicle id
bitStream.Read ( ID );
SOccupiedSeatSync seat;
if ( !bitStream.Read ( &seat ) )
{
RaiseProtocolError ( 11 );
return;
}
ucVehicleSeat = seat.data.ucSeat;
// Valid seat?
if ( ucVehicleSeat == 0xFF )
{
RaiseProtocolError ( 11 );
return;
}
}
else // On foot?
{
// Set the vehicle id to 0 to indicate we're on foot
ID = INVALID_ELEMENT_ID;
// Read out the position
bitStream.Read ( &position );
// Read out the rotation float
bitStream.Read ( &rotation );
}
bitStream.ReadCompressed ( usDimension );
bitStream.Read ( ucFightingStyle );
bitStream.Read ( &alpha );
bitStream.Read ( ucInterior );
}
// Create the player
CClientPlayer* pPlayer = new CClientPlayer ( g_pClientGame->m_pManager, PlayerID );
if ( pPlayer )
{
// Set version info
pPlayer->SetRemoteVersionInfo ( usBitStreamVersion, uiBuildNumber );
// Set its parent the root entity
pPlayer->SetSyncTimeContext ( ucTimeContext );
pPlayer->SetParent ( g_pClientGame->m_pRootEntity );
// Store the nick and if he's dead
pPlayer->SetNick ( szNickBuffer );
pPlayer->SetDeadOnNetwork ( false );
if ( szNametagText [ 0 ] )
pPlayer->SetNametagText ( szNametagText );
// Set the nametag override color if it's overridden
if ( bHasNametagColorOverridden )
{
pPlayer->SetNametagOverrideColor ( ucNametagR, ucNametagG, ucNametagB );
}
pPlayer->SetNametagShowing ( bNametagShowing );
CClientTeam* pTeam = NULL;
if ( TeamID != INVALID_ELEMENT_ID )
pTeam = g_pClientGame->m_pTeamManager->GetTeam ( TeamID );
if ( pTeam )
pPlayer->SetTeam ( pTeam, true );
// If the player has spawned
if ( bIsSpawned ) // Always true for newer server builds.
{
// Give him the correct skin
pPlayer->SetModel ( usPlayerModelID );
// Not in a vehicle?
if ( ID == INVALID_ELEMENT_ID )
{
pPlayer->SetPosition ( position.data.vecPosition );
pPlayer->SetCurrentRotation ( rotation.data.fRotation );
pPlayer->SetCameraRotation ( rotation.data.fRotation );
pPlayer->ResetInterpolation ();
pPlayer->SetHasJetPack ( bHasJetPack );
}
else // In a vehicle
{
// Grab the vehicle and warp him into it
CClientVehicle* pVehicle = g_pClientGame->m_pVehicleManager->Get ( ID );
if ( pVehicle )
{
pPlayer->WarpIntoVehicle ( pVehicle, ucVehicleSeat );
}
}
pPlayer->SetHeadless ( bIsHeadless );
pPlayer->SetFrozen ( bIsFrozen );
pPlayer->SetDimension ( usDimension );
pPlayer->SetFightingStyle ( ( eFightingStyle ) ucFightingStyle );
pPlayer->SetAlpha ( alpha.data.ucAlpha );
pPlayer->SetInterior ( ucInterior );
// Read the weapon slots
for ( unsigned int i = 0; i < 16; ++i )
{
if ( bitStream.ReadBit () == true )
{
SWeaponTypeSync weaponType;
bitStream.Read ( &weaponType );
pPlayer->GiveWeapon ( static_cast < eWeaponType > ( weaponType.data.ucWeaponType ), 1 );
}
}
}
// Set move anim even if not spawned
pPlayer->SetMoveAnim ( ( eMoveAnim ) ucMoveAnim );
// Print the join message in the chat
if ( bJustJoined )
{
// Call the onClientPlayerJoin event
CLuaArguments Arguments;
pPlayer->CallEvent ( "onClientPlayerJoin", Arguments, true );
}
}
else
{
RaiseFatalError ( 5 );
}
}
}
void CPacketHandler::Packet_PlayerQuit ( NetBitStreamInterface& bitStream )
{
// unsigend char (1) - player id
if ( g_pClientGame->m_Status != CClientGame::STATUS_JOINED )
{
RaiseProtocolError ( 13 );
return;
}
// Read out the id
ElementID PlayerID;
SQuitReasonSync quitReason;
if ( bitStream.Read ( PlayerID ) &&
bitStream.Read ( &quitReason ) )
{
// Look up the player in the playermanager
CClientPlayer* pPlayer = g_pClientGame->m_pPlayerManager->Get ( PlayerID );
if ( pPlayer )
{
// Quit him
CClientGame::eQuitReason Reason = static_cast < CClientGame::eQuitReason > ( quitReason.data.uiQuitReason );
g_pClientGame->QuitPlayer ( pPlayer, Reason );
}
}
else
{
RaiseProtocolError ( 15 );
}
}
void CPacketHandler::Packet_PlayerSpawn ( NetBitStreamInterface& bitStream )
{
// Read out the player id
ElementID PlayerID;
bitStream.Read ( PlayerID );
// Flags
unsigned char ucFlags;
bitStream.Read ( ucFlags ); // Unused
// Position vector
CVector vecPosition;
bitStream.Read ( vecPosition.fX );
bitStream.Read ( vecPosition.fY );
bitStream.Read ( vecPosition.fZ );
// Rotation short
float fRotation;
bitStream.Read ( fRotation );
// Player model id
unsigned short usPlayerModelID;
bitStream.Read ( usPlayerModelID );
if ( !CClientPlayerManager::IsValidModel ( usPlayerModelID ) )
{
RaiseProtocolError ( 16 );
return;
}
// Interior
unsigned char ucInterior = 0;
bitStream.Read ( ucInterior );