void CL_ReadPackets( void )
{
CL_ReadNetMessage();
cl.lerpFrac = CL_LerpPoint();
cl.thirdperson = clgame.dllFuncs.CL_IsThirdPerson();
#if 0
// keep cheat cvars are unchanged
if( cl.maxclients > 1 && cls.state == ca_active && host.developer <= 1 )
Cvar_SetCheatState();
#endif
// singleplayer never has connection timeout
if( NET_IsLocalAddress( cls.netchan.remote_address ))
return;
// check timeout
if( cls.state >= ca_connected && !cls.demoplayback && cls.state != ca_cinematic )
{
if( host.realtime - cls.netchan.last_received > cl_timeout->value )
{
if( ++cl.timeoutcount > 5 ) // timeoutcount saves debugger
{
Msg( "\nServer connection timed out.\n" );
CL_Disconnect();
CL_ClearEdicts();
return;
}
}
}
else cl.timeoutcount = 0;
}
/*
================
Host_EndGame
================
*/
void Host_EndGame( const char *message, ... )
{
va_list argptr;
static char string[MAX_SYSPATH];
va_start( argptr, message );
Q_vsprintf( string, message, argptr );
va_end( argptr );
MsgDev( D_INFO, "Host_EndGame: %s\n", string );
if( SV_Active())
{
Q_snprintf( host.finalmsg, sizeof( host.finalmsg ), "Host_EndGame: %s", string );
SV_Shutdown( false );
return;
}
if( host.type == HOST_DEDICATED )
Sys_Break( "Host_EndGame: %s\n", string ); // dedicated servers exit
SV_Shutdown( false );
CL_Disconnect();
// recreate world if needs
CL_ClearEdicts ();
// release all models
Mod_ClearAll( true );
Host_AbortCurrentFrame ();
}
/*
================
CL_Drop
Called after an Host_Error was thrown
================
*/
void CL_Drop( void )
{
if( cls.state == ca_uninitialized )
return;
CL_Disconnect();
// This fixes crash in menu_playersetup after disconnecting from server
CL_ClearEdicts();
}
/*
=================
CL_ConnectionlessPacket
Responses to broadcasts, etc
=================
*/
void CL_ConnectionlessPacket( netadr_t from, sizebuf_t *msg )
{
char *args;
char *c, buf[MAX_SYSPATH];
int len = sizeof( buf ), i = 0;
netadr_t servadr;
BF_Clear( msg );
BF_ReadLong( msg ); // skip the -1
args = BF_ReadStringLine( msg );
Cmd_TokenizeString( args );
c = Cmd_Argv( 0 );
MsgDev( D_NOTE, "CL_ConnectionlessPacket: %s : %s\n", NET_AdrToString( from ), c );
// server connection
if( !Q_strcmp( c, "client_connect" ))
{
if( cls.state == ca_connected )
{
MsgDev( D_INFO, "Dup connect received. Ignored.\n");
return;
}
Netchan_Setup( NS_CLIENT, &cls.netchan, from, net_qport->integer);
BF_WriteByte( &cls.netchan.message, clc_stringcmd );
BF_WriteString( &cls.netchan.message, "new" );
cls.state = ca_connected;
cl.validsequence = 0; // haven't gotten a valid frame update yet
cl.delta_sequence = -1; // we'll request a full delta from the baseline
cls.lastoutgoingcommand = -1; // we don't have a backed up cmd history yet
cls.nextcmdtime = host.realtime; // we can send a cmd right away
CL_StartupDemoHeader ();
}
else if( !Q_strcmp( c, "info" ))
{
// server responding to a status broadcast
CL_ParseStatusMessage( from, msg );
}
else if( !Q_strcmp( c, "netinfo" ))
{
// server responding to a status broadcast
CL_ParseNETInfoMessage( from, msg );
}
else if( !Q_strcmp( c, "cmd" ))
{
// remote command from gui front end
if( !NET_IsLocalAddress( from ))
{
Msg( "Command packet from remote host. Ignored.\n" );
return;
}
#ifdef XASH_SDL
SDL_RestoreWindow( host.hWnd );
#endif
args = BF_ReadString( msg );
Cbuf_AddText( args );
Cbuf_AddText( "\n" );
}
else if( !Q_strcmp( c, "print" ))
{
// print command from somewhere
Msg("remote: %s\n", BF_ReadString( msg ) );
}
else if( !Q_strcmp( c, "ping" ))
{
// ping from somewhere
Netchan_OutOfBandPrint( NS_CLIENT, from, "ack" );
}
else if( !Q_strcmp( c, "challenge" ))
{
// challenge from the server we are connecting to
cls.challenge = Q_atoi( Cmd_Argv( 1 ));
CL_SendConnectPacket();
return;
}
else if( !Q_strcmp( c, "echo" ))
{
// echo request from server
Netchan_OutOfBandPrint( NS_CLIENT, from, "%s", Cmd_Argv( 1 ));
}
else if( !Q_strcmp( c, "disconnect" ))
{
// a disconnect message from the server, which will happen if the server
// dropped the connection but it is still getting packets from us
CL_Disconnect();
CL_ClearEdicts();
}
else if( !Q_strcmp( c, "f") )
{
// serverlist got from masterserver
while( !msg->bOverflow )
{
servadr.type = NA_IP;
// 4 bytes for IP
BF_ReadBytes( msg, servadr.ip, sizeof( servadr.ip ));
// 2 bytes for Port
servadr.port = BF_ReadShort( msg );
if( !servadr.port )
break;
MsgDev( D_INFO, "Found server: %s\n", NET_AdrToString( servadr ));
NET_Config( true ); // allow remote
Netchan_OutOfBandPrint( NS_CLIENT, servadr, "info %i", PROTOCOL_VERSION );
}
// execute at next frame preventing relation on fps
Cbuf_AddText("menu_resetping\n");
}
else if( clgame.dllFuncs.pfnConnectionlessPacket( &from, args, buf, &len ))
{
// user out of band message (must be handled in CL_ConnectionlessPacket)
if( len > 0 ) Netchan_OutOfBand( NS_SERVER, from, len, (byte *)buf );
}
else MsgDev( D_ERROR, "Bad connectionless packet from %s:\n%s\n", NET_AdrToString( from ), args );
}
/*
=================
Host_Error
=================
*/
void Host_Error( const char *error, ... )
{
static char hosterror1[MAX_SYSPATH];
static char hosterror2[MAX_SYSPATH];
static qboolean recursive = false;
va_list argptr;
if( host.mouse_visible && !CL_IsInMenu( ))
{
// hide VGUI mouse
#ifdef XASH_SDL
SDL_ShowCursor( false );
#endif
host.mouse_visible = false;
}
va_start( argptr, error );
Q_vsprintf( hosterror1, error, argptr );
va_end( argptr );
CL_WriteMessageHistory (); // before Q_error call
if( host.framecount < 3 )
{
Sys_Error( "Host_InitError: %s", hosterror1 );
}
else if( host.framecount == host.errorframe )
{
Sys_Error( "Host_MultiError: %s", hosterror2 );
return;
}
else
{
if( host.developer > 0 )
{
UI_SetActiveMenu( false );
Key_SetKeyDest( key_console );
Msg( "^1Host_Error: ^7%s", hosterror1 );
}
else MSGBOX2( hosterror1 );
}
// host is shutting down. don't invoke infinite loop
if( host.state == HOST_SHUTDOWN ) return;
if( recursive )
{
Msg( "Host_RecursiveError: %s", hosterror2 );
Sys_Error( hosterror1 );
return; // don't multiple executes
}
recursive = true;
Q_strncpy( hosterror2, hosterror1, MAX_SYSPATH );
host.errorframe = host.framecount; // to avoid multple calls per frame
Q_sprintf( host.finalmsg, "Server crashed: %s", hosterror1 );
// clear cmd buffer to prevent execution of any commands
Cbuf_Clear();
SV_Shutdown( false );
CL_Drop(); // drop clients
// recreate world if required
CL_ClearEdicts ();
// release all models
Mod_ClearAll( false );
recursive = false;
Host_AbortCurrentFrame();
}
