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Xash3D FWGS engine.
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xash3d-fwgs/engine/server/sv_client.c

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/*
sv_client.c - client interactions
Copyright (C) 2008 Uncle Mike
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
*/
#include "common.h"
#include "const.h"
#include "server.h"
#include "net_encode.h"
#include "net_api.h"
const char *clc_strings[clc_lastmsg+1] =
{
"clc_bad",
"clc_nop",
"clc_move",
"clc_stringcmd",
"clc_delta",
"clc_resourcelist",
"clc_unused6",
"clc_fileconsistency",
"clc_voicedata",
"clc_cvarvalue",
"clc_cvarvalue2",
};
typedef struct ucmd_s
{
const char *name;
qboolean (*func)( sv_client_t *cl );
} ucmd_t;
static int g_userid = 1;
static void SV_UserinfoChanged( sv_client_t *cl );
/*
=================
SV_GetPlayerCount
=================
*/
void SV_GetPlayerCount( int *players, int *bots )
{
int i;
*players = 0;
*bots = 0;
if( !svs.clients )
return;
for( i = 0; i < svs.maxclients; i++ )
{
if( svs.clients[i].state >= cs_connected )
{
if( FBitSet( svs.clients[i].flags, FCL_FAKECLIENT ))
(*bots)++;
else
(*players)++;
}
}
}
/*
=================
SV_GetChallenge
Returns a challenge number that can be used
in a subsequent client_connect command.
We do this to prevent denial of service attacks that
flood the server with invalid connection IPs. With a
challenge, they must give a valid IP address.
=================
*/
void SV_GetChallenge( netadr_t from )
{
int i, oldest = 0;
double oldestTime;
oldestTime = 0x7fffffff;
// see if we already have a challenge for this ip
for( i = 0; i < MAX_CHALLENGES; i++ )
{
if( !svs.challenges[i].connected && NET_CompareAdr( from, svs.challenges[i].adr ))
break;
if( svs.challenges[i].time < oldestTime )
{
oldestTime = svs.challenges[i].time;
oldest = i;
}
}
if( i == MAX_CHALLENGES )
{
// this is the first time this client has asked for a challenge
svs.challenges[oldest].challenge = (COM_RandomLong( 0, 0xFFFF ) << 16) | COM_RandomLong( 0, 0xFFFF );
svs.challenges[oldest].adr = from;
svs.challenges[oldest].time = host.realtime;
svs.challenges[oldest].connected = false;
i = oldest;
}
// send it back
Netchan_OutOfBandPrint( NS_SERVER, svs.challenges[i].adr, "challenge %i", svs.challenges[i].challenge );
}
int SV_GetFragmentSize( void *pcl, fragsize_t mode )
{
sv_client_t *cl = (sv_client_t*)pcl;
int cl_frag_size;
if( Netchan_IsLocal( &cl->netchan ))
return FRAGMENT_LOCAL_SIZE;
if( mode == FRAGSIZE_UNRELIABLE )
{
// allow setting unreliable limit with "setinfo cl_urmax"
cl_frag_size = Q_atoi( Info_ValueForKey( cl->userinfo, "cl_urmax" ));
if( cl_frag_size == 0 )
return NET_MAX_MESSAGE;
return bound( FRAGMENT_MAX_SIZE, cl_frag_size, NET_MAX_MESSAGE );
}
cl_frag_size = Q_atoi( Info_ValueForKey( cl->userinfo, "cl_dlmax" ));
cl_frag_size = bound( FRAGMENT_MIN_SIZE, cl_frag_size, FRAGMENT_MAX_SIZE );
if( mode != FRAGSIZE_FRAG )
{
if( cl->extensions & NET_EXT_SPLITSIZE )
return cl_frag_size;
else
return 0; // original engine behaviour
}
// get in-game fragmentation size
if( cl->state == cs_spawned )
{
// allow setting in-game fragsize with "setinfo cl_frmax"
int frmax = Q_atoi( Info_ValueForKey( cl->userinfo, "cl_frmax" ));
if( frmax < FRAGMENT_MIN_SIZE || frmax > FRAGMENT_MAX_SIZE )
cl_frag_size /= 2; // add window for unreliable
else
cl_frag_size = frmax;
}
return cl_frag_size - HEADER_BYTES;
}
/*
================
SV_RejectConnection
Rejects connection request and sends back a message
================
*/
void SV_RejectConnection( netadr_t from, const char *fmt, ... )
{
char text[1024];
va_list argptr;
va_start( argptr, fmt );
Q_vsnprintf( text, sizeof( text ), fmt, argptr );
va_end( argptr );
Con_Reportf( "%s connection refused. Reason: %s\n", NET_AdrToString( from ), text );
Netchan_OutOfBandPrint( NS_SERVER, from, "errormsg\n^1Server was reject the connection:^7 %s", text );
Netchan_OutOfBandPrint( NS_SERVER, from, "print\n^1Server was reject the connection:^7 %s", text );
Netchan_OutOfBandPrint( NS_SERVER, from, "disconnect\n" );
}
/*
================
SV_FailDownload
for some reasons file can't be downloaded
tell the client about this problem
================
*/
void SV_FailDownload( sv_client_t *cl, const char *filename )
{
if( !COM_CheckString( filename ))
return;
MSG_BeginServerCmd( &cl->netchan.message, svc_filetxferfailed );
MSG_WriteString( &cl->netchan.message, filename );
}
/*
================
SV_CheckChallenge
Make sure connecting client is not spoofing
================
*/
int SV_CheckChallenge( netadr_t from, int challenge )
{
int i;
// see if the challenge is valid
// don't care if it is a local address.
if( NET_IsLocalAddress( from ))
return 1;
for( i = 0; i < MAX_CHALLENGES; i++ )
{
if( NET_CompareAdr( from, svs.challenges[i].adr ))
{
if( challenge == svs.challenges[i].challenge )
break; // valid challenge
#if 0
// g-cont. this breaks multiple connections from single machine
SV_RejectConnection( from, "bad challenge %i\n", challenge );
return 0;
#endif
}
}
if( i == MAX_CHALLENGES )
{
SV_RejectConnection( from, "no challenge for your address\n" );
return 0;
}
svs.challenges[i].connected = true;
return 1;
}
/*
================
SV_CheckIPRestrictions
Determine if client is outside appropriate address range
================
*/
int SV_CheckIPRestrictions( netadr_t from )
{
if( sv_lan.value )
{
if( !NET_CompareClassBAdr( from, net_local ) && !NET_IsReservedAdr( from ))
return 0;
}
return 1;
}
/*
================
SV_FindEmptySlot
Get slot # and set client_t pointer for player, if possible
We don't do this search on a "reconnect, we just reuse the slot
================
*/
int SV_FindEmptySlot( netadr_t from, int *pslot, sv_client_t **ppClient )
{
sv_client_t *cl;
int i;
for( i = 0, cl = svs.clients; i < svs.maxclients; i++, cl++ )
{
if( cl->state == cs_free )
{
*ppClient = cl;
*pslot = i;
return 1;
}
}
SV_RejectConnection( from, "server is full\n" );
return 0;
}
/*
==================
SV_ConnectClient
A connection request that did not come from the master
==================
*/
void SV_ConnectClient( netadr_t from )
{
char userinfo[MAX_INFO_STRING];
char protinfo[MAX_INFO_STRING];
sv_client_t *cl, *newcl = NULL;
qboolean reconnect = false;
int nClientSlot = 0;
int qport, version;
int i, count = 0;
int challenge;
const char *s;
int extensions;
if( Cmd_Argc() < 5 )
{
SV_RejectConnection( from, "insufficient connection info\n" );
return;
}
version = Q_atoi( Cmd_Argv( 1 ));
if( version != PROTOCOL_VERSION )
{
SV_RejectConnection( from, "unsupported protocol (%i should be %i)\n", version, PROTOCOL_VERSION );
return;
}
challenge = Q_atoi( Cmd_Argv( 2 )); // get challenge
// see if the challenge is valid (local clients don't need to challenge)
if( !SV_CheckChallenge( from, challenge ))
return;
s = Cmd_Argv( 3 ); // protocol info
if( !Info_IsValid( s ))
{
SV_RejectConnection( from, "invalid protinfo in connect command\n" );
return;
}
Q_strncpy( protinfo, s, sizeof( protinfo ));
if( !SV_ProcessUserAgent( from, protinfo ) )
{
return;
}
// extract qport from protocol info
qport = Q_atoi( Info_ValueForKey( protinfo, "qport" ));
s = Info_ValueForKey( protinfo, "uuid" );
if( Q_strlen( s ) != 32 )
{
SV_RejectConnection( from, "invalid authentication certificate length\n" );
return;
}
extensions = Q_atoi( Info_ValueForKey( protinfo, "ext" ) );
// LAN servers restrict to class b IP addresses
if( !SV_CheckIPRestrictions( from ))
{
SV_RejectConnection( from, "LAN servers are restricted to local clients (class C)\n" );
return;
}
s = Cmd_Argv( 4 ); // user info
if( Q_strlen( s ) > MAX_INFO_STRING || !Info_IsValid( s ))
{
SV_RejectConnection( from, "invalid userinfo in connect command\n" );
return;
}
Q_strncpy( userinfo, s, sizeof( userinfo ));
// check connection password (don't verify local client)
if( !NET_IsLocalAddress( from ) && sv_password.string[0] && Q_stricmp( sv_password.string, Info_ValueForKey( userinfo, "password" )))
{
SV_RejectConnection( from, "invalid password\n" );
return;
}
// if there is already a slot for this ip, reuse it
for( i = 0, cl = svs.clients; i < svs.maxclients; i++, cl++ )
{
if( cl->state == cs_free || cl->state == cs_zombie )
continue;
if( NET_CompareBaseAdr( from, cl->netchan.remote_address ) && ( cl->netchan.qport == qport || from.port == cl->netchan.remote_address.port ))
{
reconnect = true;
newcl = cl;
break;
}
}
// A reconnecting client will re-use the slot found above when checking for reconnection.
// the slot will be wiped clean.
if( !reconnect )
{
// connect the client if there are empty slots.
if( !SV_FindEmptySlot( from, &nClientSlot, &newcl ))
return;
}
else
{
Con_Reportf( S_NOTE "%s:reconnect\n", NET_AdrToString( from ));
}
// find a client slot
ASSERT( newcl != NULL );
// build a new connection
// accept the new client
sv.current_client = newcl;
newcl->edict = EDICT_NUM( (newcl - svs.clients) + 1 );
newcl->challenge = challenge; // save challenge for checksumming
if( newcl->frames ) Mem_Free( newcl->frames );
newcl->frames = (client_frame_t *)Z_Calloc( sizeof( client_frame_t ) * SV_UPDATE_BACKUP );
newcl->userid = g_userid++; // create unique userid
newcl->state = cs_connected;
newcl->extensions = extensions & (NET_EXT_SPLITSIZE);
Q_strncpy( newcl->useragent, protinfo, MAX_INFO_STRING );
// reset viewentities (from previous level)
memset( newcl->viewentity, 0, sizeof( newcl->viewentity ));
newcl->num_viewents = 0;
// HACKHACK: can hear all players by default to avoid issues
// with server.dll without voice game manager
newcl->listeners = -1;
// initailize netchan
Netchan_Setup( NS_SERVER, &newcl->netchan, from, qport, newcl, SV_GetFragmentSize );
MSG_Init( &newcl->datagram, "Datagram", newcl->datagram_buf, sizeof( newcl->datagram_buf )); // datagram buf
Q_strncpy( newcl->hashedcdkey, Info_ValueForKey( protinfo, "uuid" ), 32 );
newcl->hashedcdkey[32] = '\0';
// build protinfo answer
protinfo[0] = '\0';
Info_SetValueForKeyf( protinfo, "ext", sizeof( protinfo ), "%d", newcl->extensions );
// send the connect packet to the client
Netchan_OutOfBandPrint( NS_SERVER, from, "client_connect %s", protinfo );
newcl->upstate = us_inactive;
newcl->connection_started = host.realtime;
newcl->cl_updaterate = 0.05; // 20 fps as default
newcl->delta_sequence = -1;
newcl->flags = 0;
// reset any remaining events
memset( &newcl->events, 0, sizeof( newcl->events ));
// parse some info from the info strings (this can override cl_updaterate)
Q_strncpy( newcl->userinfo, userinfo, sizeof( newcl->userinfo ));
SV_UserinfoChanged( newcl );
SV_ClearResourceLists( newcl );
#if 0
memset( &newcl->resourcesneeded, 0, sizeof( resource_t ));
memset( &newcl->resourcesonhand, 0, sizeof( resource_t ));
newcl->resourcesneeded.pNext = newcl->resourcesneeded.pPrev = &newcl->resourcesneeded;
newcl->resourcesonhand.pNext = newcl->resourcesonhand.pPrev = &newcl->resourcesonhand;
#endif
newcl->next_messagetime = host.realtime + newcl->cl_updaterate;
newcl->next_sendinfotime = 0.0;
newcl->ignored_ents = 0;
newcl->chokecount = 0;
// reset stats
newcl->next_checkpingtime = -1.0;
newcl->packet_loss = 0.0f;
// if this was the first client on the server, or the last client
// the server can hold, send a heartbeat to the master.
for( i = 0, cl = svs.clients; i < svs.maxclients; i++, cl++ )
if( cl->state >= cs_connected ) count++;
Log_Printf( "\"%s<%i><%i><>\" connected, address \"%s\"\n", newcl->name, newcl->userid, i, NET_AdrToString( newcl->netchan.remote_address ));
if( count == 1 || count == svs.maxclients )
NET_MasterClear();
}
/*
==================
SV_FakeConnect
A connection request that came from the game module
==================
*/
edict_t *GAME_EXPORT SV_FakeConnect( const char *netname )
{
char userinfo[MAX_INFO_STRING];
int i, count = 0;
sv_client_t *cl;
if( !COM_CheckString( netname ))
netname = "Bot";
// find a client slot
for( i = 0, cl = svs.clients; i < svs.maxclients; i++, cl++ )
{
if( cl->state == cs_free )
break;
}
if( i == svs.maxclients )
return NULL; // server is full
userinfo[0] = '\0';
// setup fake client params
Info_SetValueForKey( userinfo, "name", netname, MAX_INFO_STRING );
Info_SetValueForKey( userinfo, "model", "gordon", MAX_INFO_STRING );
Info_SetValueForKey( userinfo, "topcolor", "1", MAX_INFO_STRING );
Info_SetValueForKey( userinfo, "bottomcolor", "1", MAX_INFO_STRING );
// build a new connection
// accept the new client
sv.current_client = cl;
if( cl->frames ) Mem_Free( cl->frames ); // fakeclients doesn't have frames
memset( cl, 0, sizeof( sv_client_t ));
cl->edict = EDICT_NUM( (cl - svs.clients) + 1 );
cl->userid = g_userid++; // create unique userid
SetBits( cl->flags, FCL_FAKECLIENT );
// parse some info from the info strings
Q_strncpy( cl->userinfo, userinfo, sizeof( cl->userinfo ));
SV_UserinfoChanged( cl );
SetBits( cl->flags, FCL_RESEND_USERINFO );
cl->next_sendinfotime = 0.0;
// if this was the first client on the server, or the last client
// the server can hold, send a heartbeat to the master.
for( i = 0, cl = svs.clients; i < svs.maxclients; i++, cl++ )
if( cl->state >= cs_connected ) count++;
cl = sv.current_client;
Log_Printf( "\"%s<%i><%i><>\" connected, address \"local\"\n", cl->name, cl->userid, i );
SetBits( cl->edict->v.flags, FL_CLIENT|FL_FAKECLIENT ); // mark it as fakeclient
cl->connection_started = host.realtime;
cl->state = cs_spawned;
if( count == 1 || count == svs.maxclients )
NET_MasterClear();
return cl->edict;
}
/*
==================
SV_Kick_f
Kick a user off of the server
==================
*/
void SV_KickPlayer( sv_client_t *cl, const char *fmt, ... )
{
const char *clientId;
va_list va;
char buf[MAX_VA_STRING];
if( NET_IsLocalAddress( cl->netchan.remote_address ))
{
Con_Printf( "The local player cannot be kicked!\n" );
return;
}
clientId = SV_GetClientIDString( cl );
va_start( va, fmt );
Q_vsnprintf( buf, sizeof( buf ), fmt, va );
va_end( va );
if( buf[0] )
{
Log_Printf( "Kick: \"%s<%i><%s><>\" was kicked by \"Console\" (message \"%s\")\n", cl->name, cl->userid, clientId, buf );
SV_BroadcastPrintf( cl, "%s was kicked with message: \"%s\"\n", cl->name, buf );
SV_ClientPrintf( cl, "You were kicked from the game with message: \"%s\"\n", buf );
if( cl->useragent[0] )
Netchan_OutOfBandPrint( NS_SERVER, cl->netchan.remote_address, "errormsg\nKicked with message:\n%s\n", buf );
}
else
{
Log_Printf( "Kick: \"%s<%i><%s><>\" was kicked by \"Console\"\n", cl->name, cl->userid, clientId );
SV_BroadcastPrintf( cl, "%s was kicked\n", cl->name );
SV_ClientPrintf( cl, "You were kicked from the game\n" );
if( cl->useragent[0] )
Netchan_OutOfBandPrint( NS_SERVER, cl->netchan.remote_address, "errormsg\nYou were kicked from the game\n" );
}
SV_DropClient( cl, false );
}
/*
=====================
SV_DropClient
Called when the player is totally leaving the server, either willingly
or unwillingly. This is NOT called if the entire server is quiting
or crashing.
=====================
*/
void SV_DropClient( sv_client_t *cl, qboolean crash )
{
int i;
if( cl->state == cs_zombie )
return; // already dropped
if( !crash )
{
// add the disconnect
if( !FBitSet( cl->flags, FCL_FAKECLIENT ) )
{
MSG_BeginServerCmd( &cl->netchan.message, svc_disconnect );
}
if( cl->edict && cl->state == cs_spawned )
{
svgame.dllFuncs.pfnClientDisconnect( cl->edict );
}
if( !FBitSet( cl->flags, FCL_FAKECLIENT ) )
{
Netchan_TransmitBits( &cl->netchan, 0, NULL );
}
}
ClearBits( cl->flags, FCL_FAKECLIENT );
ClearBits( cl->flags, FCL_HLTV_PROXY );
cl->state = cs_zombie; // become free in a few seconds
cl->name[0] = 0;
if( cl->frames )
Mem_Free( cl->frames ); // release delta
cl->frames = NULL;
if( NET_CompareBaseAdr( cl->netchan.remote_address, host.rd.address ))
SV_EndRedirect();
// throw away any residual garbage in the channel.
Netchan_Clear( &cl->netchan );
// clean client data on disconnect
memset( cl->userinfo, 0, MAX_INFO_STRING );
memset( cl->physinfo, 0, MAX_INFO_STRING );
COM_ClearCustomizationList( &cl->customdata, false );
// don't send to other clients
cl->edict = NULL;
// send notification to all other clients
SV_FullClientUpdate( cl, &sv.reliable_datagram );
// if this was the last client on the server, send a heartbeat
// to the master so it is known the server is empty
// send a heartbeat now so the master will get up to date info
// if there is already a slot for this ip, reuse it
for( i = 0; i < svs.maxclients; i++ )
{
if( svs.clients[i].state >= cs_connected )
break;
}
if( i == svs.maxclients )
NET_MasterClear();
}
/*
==============================================================================
SVC COMMAND REDIRECT
==============================================================================
*/
void SV_BeginRedirect( netadr_t adr, rdtype_t target, char *buffer, size_t buffersize, void (*flush))
{
if( !target || !buffer || !buffersize || !flush )
return;
host.rd.target = target;
host.rd.buffer = buffer;
host.rd.buffersize = buffersize;
host.rd.flush = flush;
host.rd.address = adr;
host.rd.buffer[0] = 0;
if( host.rd.lines == 0 )
host.rd.lines = -1;
}
void SV_FlushRedirect( netadr_t adr, int dest, char *buf )
{
if( sv.current_client && FBitSet( sv.current_client->flags, FCL_FAKECLIENT ))
return;
switch( dest )
{
case RD_PACKET:
Netchan_OutOfBandPrint( NS_SERVER, adr, "print\n%s", buf );
break;
case RD_CLIENT:
if( !sv.current_client ) return; // client not set
MSG_BeginServerCmd( &sv.current_client->netchan.message, svc_print );
MSG_WriteString( &sv.current_client->netchan.message, buf );
break;
case RD_NONE:
Con_Printf( S_ERROR "SV_FlushRedirect: %s: invalid destination\n", NET_AdrToString( adr ));
break;
}
}
void SV_EndRedirect( void )
{
if( host.rd.lines > 0 )
return;
if( host.rd.flush )
host.rd.flush( host.rd.address, host.rd.target, host.rd.buffer );
host.rd.target = 0;
host.rd.buffer = NULL;
host.rd.buffersize = 0;
host.rd.flush = NULL;
}
/*
================
Rcon_Print
Print message to rcon buffer and send to rcon redirect target
================
*/
void Rcon_Print( const char *pMsg )
{
if( host.rd.target && host.rd.lines && host.rd.flush && host.rd.buffer )
{
size_t len = Q_strncat( host.rd.buffer, pMsg, host.rd.buffersize );
if( len && host.rd.buffer[len-1] == '\n' )
{
host.rd.flush( host.rd.address, host.rd.target, host.rd.buffer );
if( host.rd.lines > 0 )
host.rd.lines--;
host.rd.buffer[0] = 0;
if( !host.rd.lines )
Msg( "End of redirection!\n" );
}
}
}
/*
===============
SV_GetClientIDString
Returns a pointer to a static char for most likely only printing.
===============
*/
const char *SV_GetClientIDString( sv_client_t *cl )
{
static char result[MAX_QPATH];
if( !cl ) return "";
if( FBitSet( cl->flags, FCL_FAKECLIENT ))
{
Q_strncpy( result, "ID_BOT", sizeof( result ));
}
else if( NET_IsLocalAddress( cl->netchan.remote_address ))
{
Q_strncpy( result, "ID_LOOPBACK", sizeof( result ));
}
else if( sv_lan.value )
{
Q_strncpy( result, "ID_LAN", sizeof( result ));
}
else
{
Q_snprintf( result, sizeof( result ), "ID_%s", MD5_Print( (byte *)cl->hashedcdkey ));
}
return result;
}
sv_client_t *SV_ClientById( int id )
{
sv_client_t *cl;
int i;
ASSERT( id >= 0 );
for( i = 0, cl = svs.clients; i < svgame.globals->maxClients; i++, cl++ )
{
if( !cl->state )
continue;
if( cl->userid == id )
return cl;
}
return NULL;
}
sv_client_t *SV_ClientByName( const char *name )
{
sv_client_t *cl;
int i;
if( !COM_CheckString( name ))
return NULL;
for( i = 0, cl = svs.clients; i < svgame.globals->maxClients; i++, cl++ )
{
if( !cl->state )
continue;
if( !Q_strcmp( cl->name, name ) )
return cl;
}
return NULL;
}
/*
================
SV_TestBandWidth
================
*/
void SV_TestBandWidth( netadr_t from )
{
const int version = Q_atoi( Cmd_Argv( 1 ));
const int packetsize = Q_atoi( Cmd_Argv( 2 ));
uint32_t crc;
int ofs;
// don't waste time of protocol mismatched
if( version != PROTOCOL_VERSION )
{
SV_RejectConnection( from, "unsupported protocol (%i should be %i)\n", version, PROTOCOL_VERSION );
return;
}
// quickly reject invalid packets
if( !svs.testpacket_buf ||
( packetsize <= FRAGMENT_MIN_SIZE ) ||
( packetsize > FRAGMENT_MAX_SIZE ))
{
// skip the test and just get challenge
SV_GetChallenge( from );
return;
}
// don't go out of bounds
ofs = packetsize - svs.testpacket_filepos - 1;
if(( ofs < 0 ) || ( ofs > svs.testpacket_filelen ))
{
SV_GetChallenge( from );
return;
}
crc = svs.testpacket_crcs[ofs];
memcpy( svs.testpacket_crcpos, &crc, sizeof( crc ));
// send the datagram
NET_SendPacket( NS_SERVER, packetsize, MSG_GetData( &svs.testpacket ), from );
}
/*
================
SV_Ack
================
*/
void SV_Ack( netadr_t from )
{
Con_Printf( "ping %s\n", NET_AdrToString( from ));
}
/*
================
SV_Info
Responds with short info for broadcast scans
The second parameter should be the current protocol version number.
================
*/
void SV_Info( netadr_t from, int protocolVersion )
{
char s[512];
// ignore in single player
if( svs.maxclients == 1 || !svs.initialized )
return;
s[0] = '\0';
if( protocolVersion != PROTOCOL_VERSION )
{
Q_snprintf( s, sizeof( s ), "%s: wrong version\n", hostname.string );
}
else
{
int count;
int bots;
int remaining;
char temp[sizeof( s )];
qboolean have_password = COM_CheckStringEmpty( sv_password.string );
SV_GetPlayerCount( &count, &bots );
// a1ba: send protocol version to distinguish old engine and new
Info_SetValueForKeyf( s, "p", sizeof( s ), "%i", PROTOCOL_VERSION );
Info_SetValueForKey( s, "map", sv.name, sizeof( s ));
Info_SetValueForKey( s, "dm", svgame.globals->deathmatch ? "1" : "0", sizeof( s ));
Info_SetValueForKey( s, "team", svgame.globals->teamplay ? "1" : "0", sizeof( s ));
Info_SetValueForKey( s, "coop", svgame.globals->coop ? "1" : "0", sizeof( s ));
Info_SetValueForKeyf( s, "numcl", sizeof( s ), "%i", count );
Info_SetValueForKeyf( s, "maxcl", sizeof( s ), "%i", svs.maxclients );
Info_SetValueForKey( s, "gamedir", GI->gamefolder, sizeof( s ));
Info_SetValueForKey( s, "password", have_password ? "1" : "0", sizeof( s ));
// write host last so we can try to cut off too long hostnames
// TODO: value size limit for infostrings
remaining = sizeof( s ) - Q_strlen( s ) - sizeof( "\\host\\" ) - 1;
if( remaining < 0 )
{
// should never happen?
Con_Printf( S_ERROR "SV_Info: infostring overflow!\n" );
return;
}
Q_strncpy( temp, hostname.string, remaining );
Info_SetValueForKey( s, "host", temp, sizeof( s ));
}
Netchan_OutOfBandPrint( NS_SERVER, from, "info\n%s", s );
}
/*
================
SV_BuildNetAnswer
Responds with long info for local and broadcast requests
================
*/
void SV_BuildNetAnswer( netadr_t from )
{
char string[MAX_INFO_STRING];
int version, context, type;
int i, count = 0;
// ignore in single player
if( svs.maxclients == 1 || !svs.initialized )
return;
version = Q_atoi( Cmd_Argv( 1 ));
context = Q_atoi( Cmd_Argv( 2 ));
type = Q_atoi( Cmd_Argv( 3 ));
if( version != PROTOCOL_VERSION )
{
// handle the unsupported protocol
string[0] = '\0';
Info_SetValueForKey( string, "neterror", "protocol", MAX_INFO_STRING );
// send error unsupported protocol
Netchan_OutOfBandPrint( NS_SERVER, from, "netinfo %i %i %s\n", context, type, string );
return;
}
if( type == NETAPI_REQUEST_PING )
{
Netchan_OutOfBandPrint( NS_SERVER, from, "netinfo %i %i %s\n", context, type, "" );
}
else if( type == NETAPI_REQUEST_RULES )
{
// send serverinfo
Netchan_OutOfBandPrint( NS_SERVER, from, "netinfo %i %i %s\n", context, type, svs.serverinfo );
}
else if( type == NETAPI_REQUEST_PLAYERS )
{
size_t len = 0;
string[0] = '\0';
for( i = 0; i < svs.maxclients; i++ )
{
if( svs.clients[i].state >= cs_connected )
{
int ret;
edict_t *ed = svs.clients[i].edict;
float time = host.realtime - svs.clients[i].connection_started;
ret = Q_snprintf( &string[len], sizeof( string ) - len, "%c\\%s\\%i\\%f\\", count, svs.clients[i].name, (int)ed->v.frags, time );
if( ret == -1 )
{
Con_DPrintf( S_WARN "SV_BuildNetAnswer: NETAPI_REQUEST_PLAYERS: buffer overflow!\n" );
break;
}
len += ret;
count++;
}
}
// send playernames
Netchan_OutOfBandPrint( NS_SERVER, from, "netinfo %i %i %s\n", context, type, string );
}
else if( type == NETAPI_REQUEST_DETAILS )
{
for( i = 0; i < svs.maxclients; i++ )
if( svs.clients[i].state >= cs_connected )
count++;
string[0] = '\0';
Info_SetValueForKey( string, "hostname", hostname.string, MAX_INFO_STRING );
Info_SetValueForKey( string, "gamedir", GI->gamefolder, MAX_INFO_STRING );
Info_SetValueForKeyf( string, "current", MAX_INFO_STRING, "%i", count );
Info_SetValueForKeyf( string, "max", MAX_INFO_STRING, "%i", svs.maxclients );
Info_SetValueForKey( string, "map", sv.name, MAX_INFO_STRING );
// send serverinfo
Netchan_OutOfBandPrint( NS_SERVER, from, "netinfo %i %i %s\n", context, type, string );
}
else
{
string[0] = '\0';
Info_SetValueForKey( string, "neterror", "undefined", MAX_INFO_STRING );
// send error undefined request type
Netchan_OutOfBandPrint( NS_SERVER, from, "netinfo %i %i %s\n", context, type, string );
}
}
/*
================
SV_Ping
Just responds with an acknowledgement
================
*/
void SV_Ping( netadr_t from )
{
Netchan_OutOfBandPrint( NS_SERVER, from, "ack" );
}
/*
================
Rcon_Validate
================
*/
qboolean Rcon_Validate( void )
{
if( !COM_CheckString( rcon_password.string ))
return false;
if( Q_strcmp( Cmd_Argv( 1 ), rcon_password.string ))
return false;
return true;
}
/*
===============
SV_RemoteCommand
A client issued an rcon command.
Shift down the remaining args
Redirect all printfs
===============
*/
void SV_RemoteCommand( netadr_t from, sizebuf_t *msg )
{
static char outputbuf[2048];
const char *adr;
char remaining[1024];
char *p = remaining;
int i;
if( !rcon_enable.value || !COM_CheckStringEmpty( rcon_password.string ))
return;
adr = NET_AdrToString( from );
Con_Printf( "Rcon from %s:\n%s\n", adr, MSG_GetData( msg ) + 4 );
Log_Printf( "Rcon: \"%s\" from \"%s\"\n", MSG_GetData( msg ) + 4, adr );
if( Rcon_Validate( ))
{
SV_BeginRedirect( from, RD_PACKET, outputbuf, sizeof( outputbuf ) - 16, SV_FlushRedirect );
remaining[0] = 0;
for( i = 2; i < Cmd_Argc(); i++ )
{
p += Q_strncpy( p, "\"", sizeof( remaining ) - ( p - remaining ));
p += Q_strncpy( p, Cmd_Argv( i ), sizeof( remaining ) - ( p - remaining ));
p += Q_strncpy( p, "\" ", sizeof( remaining ) - ( p - remaining ));
}
Cmd_ExecuteString( remaining );
SV_EndRedirect();
}
else Con_Printf( S_ERROR "Bad rcon_password.\n" );
}
/*
===================
SV_CalcPing
recalc ping on current client
===================
*/
int SV_CalcPing( sv_client_t *cl )
{
float ping = 0;
int i, count;
int idx, back;
client_frame_t *frame;
// bots don't have a real ping
if( FBitSet( cl->flags, FCL_FAKECLIENT ) || !cl->frames )
return 0;
if( SV_UPDATE_BACKUP <= 31 )
{
back = SV_UPDATE_BACKUP / 2;
if( back <= 0 ) return 0;
}
else back = 16;
count = 0;
for( i = 0; i < back; i++ )
{
idx = cl->netchan.incoming_acknowledged + ~i;
frame = &cl->frames[idx & SV_UPDATE_MASK];
if( frame->ping_time > 0.0f )
{
ping += frame->ping_time;
count++;
}
}
if( count > 0 )
return (( ping / count ) * 1000.0f );
return 0;
}
/*
===================
SV_EstablishTimeBase
Finangles latency and the like.
===================
*/
void SV_EstablishTimeBase( sv_client_t *cl, usercmd_t *cmds, int dropped, int numbackup, int numcmds )
{
double runcmd_time = 0.0;
int i, cmdnum = dropped;
if( dropped < 24 )
{
while( dropped > numbackup )
{
runcmd_time = (double)cl->lastcmd.msec / 1000.0;
dropped--;
}
while( dropped > 0 )
{
cmdnum = dropped + numcmds - 1;
runcmd_time += (double)cmds[cmdnum].msec / 1000.0;
dropped--;
}
}
for( i = numcmds - 1; i >= 0; i-- )
runcmd_time += cmds[i].msec / 1000.0;
cl->timebase = sv.time + sv.frametime - runcmd_time;
}
/*
===================
SV_CalcClientTime
compute latency for client
===================
*/
float SV_CalcClientTime( sv_client_t *cl )
{
float minping, maxping;
float ping = 0.0f;
int i, count = 0;
int backtrack;
backtrack = (int)sv_unlagsamples.value;
if( backtrack < 1 ) backtrack = 1;
if( backtrack >= (SV_UPDATE_BACKUP <= 16 ? SV_UPDATE_BACKUP : 16 ))
backtrack = ( SV_UPDATE_BACKUP <= 16 ? SV_UPDATE_BACKUP : 16 );
if( backtrack <= 0 )
return 0.0f;
for( i = 0; i < backtrack; i++ )
{
client_frame_t *frame = &cl->frames[SV_UPDATE_MASK & (cl->netchan.incoming_acknowledged - i)];
if( frame->ping_time <= 0.0f )
continue;
ping += frame->ping_time;
count++;
}
if( !count ) return 0.0f;
minping = 9999.0f;
maxping = -9999.0f;
ping /= count;
for( i = 0; i < ( SV_UPDATE_BACKUP <= 4 ? SV_UPDATE_BACKUP : 4 ); i++ )
{
client_frame_t *frame = &cl->frames[SV_UPDATE_MASK & (cl->netchan.incoming_acknowledged - i)];
if( frame->ping_time <= 0.0f )
continue;
if( frame->ping_time < minping )
minping = frame->ping_time;
if( frame->ping_time > maxping )
maxping = frame->ping_time;
}
if( maxping < minping || fabs( maxping - minping ) <= 0.2f )
return ping;
return 0.0f;
}
/*
===================
SV_FullClientUpdate
Writes all update values to a bitbuf
===================
*/
void SV_FullClientUpdate( sv_client_t *cl, sizebuf_t *msg )
{
char info[MAX_INFO_STRING];
char digest[16];
MD5Context_t ctx;
int i;
// process userinfo before updating
SV_UserinfoChanged( cl );
i = cl - svs.clients;
MSG_BeginServerCmd( msg, svc_updateuserinfo );
MSG_WriteUBitLong( msg, i, MAX_CLIENT_BITS );
MSG_WriteLong( msg, cl->userid );
if( cl->name[0] )
{
MSG_WriteOneBit( msg, 1 );
Q_strncpy( info, cl->userinfo, sizeof( info ));
// remove server passwords, etc.
Info_RemovePrefixedKeys( info, '_' );
MSG_WriteString( msg, info );
MD5Init( &ctx );
MD5Update( &ctx, (byte *)cl->hashedcdkey, sizeof( cl->hashedcdkey ));
MD5Final( digest, &ctx );
MSG_WriteBytes( msg, digest, sizeof( digest ));
}
else MSG_WriteOneBit( msg, 0 );
}
/*
===================
SV_RefreshUserinfo
===================
*/
void SV_RefreshUserinfo( void )
{
sv_client_t *cl;
int i;
for( i = 0, cl = svs.clients; i < svs.maxclients; i++, cl++ )
{
if( cl->state >= cs_connected )
SetBits( cl->flags, FCL_RESEND_USERINFO );
}
}
/*
===================
SV_FullUpdateMovevars
this is send all movevars values when client connected
otherwise see code SV_UpdateMovevars()
===================
*/
void SV_FullUpdateMovevars( sv_client_t *cl, sizebuf_t *msg )
{
movevars_t nullmovevars;
memset( &nullmovevars, 0, sizeof( nullmovevars ));
MSG_WriteDeltaMovevars( msg, &nullmovevars, &svgame.movevars );
}
/*
===================
SV_ShouldUpdatePing
determine should we recalculate
ping times now
===================
*/
qboolean SV_ShouldUpdatePing( sv_client_t *cl )
{
if( FBitSet( cl->flags, FCL_HLTV_PROXY ))
{
if( host.realtime < cl->next_checkpingtime )
return false;
cl->next_checkpingtime = host.realtime + 2.0;
return true;
}
// they are viewing the scoreboard. Send them pings.
return FBitSet( cl->lastcmd.buttons, IN_SCORE ) ? true : false;
}
/*
===================
SV_IsPlayerIndex
===================
*/
qboolean SV_IsPlayerIndex( int idx )
{
if( idx > 0 && idx <= svs.maxclients )
return true;
return false;
}
/*
===================
SV_GetPlayerStats
This function and its static vars track some of the networking
conditions. I haven't bothered to trace it beyond that, because
this fucntion sucks pretty badly.
===================
*/
void SV_GetPlayerStats( sv_client_t *cl, int *ping, int *packet_loss )
{
static int last_ping[MAX_CLIENTS];
static int last_loss[MAX_CLIENTS];
int i;
i = cl - svs.clients;
if( host.realtime >= cl->next_checkpingtime )
{
cl->next_checkpingtime = host.realtime + 2.0;
last_ping[i] = SV_CalcPing( cl );
last_loss[i] = cl->packet_loss;
}
if( ping ) *ping = last_ping[i];
if( packet_loss ) *packet_loss = last_loss[i];
}
/*
===========
PutClientInServer
Called when a player connects to a server or respawns in
a deathmatch.
============
*/
void SV_PutClientInServer( sv_client_t *cl )
{
static byte msg_buf[MAX_INIT_MSG + 0x200]; // MAX_INIT_MSG + some space
edict_t *ent = cl->edict;
sizebuf_t msg;
MSG_Init( &msg, "Spawn", msg_buf, sizeof( msg_buf ));
if( sv.loadgame )
{
// NOTE: we needs to setup angles on restore here
if( ent->v.fixangle == 1 )
{
MSG_BeginServerCmd( &msg, svc_setangle );
MSG_WriteVec3Angles( &msg, ent->v.angles );
ent->v.fixangle = 0;
}
if( svgame.dllFuncs.pfnParmsChangeLevel )
{
SAVERESTOREDATA levelData;
string name;
int i;
memset( &levelData, 0, sizeof( levelData ));
svgame.globals->pSaveData = &levelData;
svgame.dllFuncs.pfnParmsChangeLevel();
MSG_BeginServerCmd( &msg, svc_restore );
Q_snprintf( name, sizeof( name ), DEFAULT_SAVE_DIRECTORY "%s.HL2", sv.name );
COM_FixSlashes( name );
MSG_WriteString( &msg, name );
MSG_WriteByte( &msg, levelData.connectionCount );
for( i = 0; i < levelData.connectionCount; i++ )
MSG_WriteString( &msg, levelData.levelList[i].mapName );
svgame.globals->pSaveData = NULL;
}
// reset weaponanim
MSG_BeginServerCmd( &msg, svc_weaponanim );
MSG_WriteByte( &msg, 0 );
MSG_WriteByte( &msg, 0 );
sv.loadgame = false;
sv.paused = false;
}
else
{
if( Q_atoi( Info_ValueForKey( cl->userinfo, "hltv" )))
SetBits( cl->flags, FCL_HLTV_PROXY );
// need to realloc private data for client
SV_InitEdict( ent );
if( FBitSet( cl->flags, FCL_HLTV_PROXY ))
SetBits( ent->v.flags, FL_PROXY );
else ent->v.flags = 0;
ent->v.netname = MAKE_STRING( cl->name );
ent->v.colormap = NUM_FOR_EDICT( ent ); // ???
// fisrt entering
svgame.globals->time = sv.time;
svgame.dllFuncs.pfnClientPutInServer( ent );
if( sv.background ) // don't attack player in background mode
SetBits( ent->v.flags, FL_GODMODE|FL_NOTARGET );
cl->pViewEntity = NULL; // reset pViewEntity
}
if( svgame.globals->cdAudioTrack )
{
MSG_BeginServerCmd( &msg, svc_stufftext );
MSG_WriteStringf( &msg, "cd loop %3d\n", svgame.globals->cdAudioTrack );
svgame.globals->cdAudioTrack = 0;
}
#ifdef HACKS_RELATED_HLMODS
// enable dev-mode to prevent crash cheat-protecting from Invasion mod
if( FBitSet( ent->v.flags, FL_GODMODE|FL_NOTARGET ) && !Q_stricmp( GI->gamefolder, "invasion" ))
SV_ExecuteClientCommand( cl, "test\n" );
#endif
// refresh the userinfo and movevars
// NOTE: because movevars can be changed during the connection process
SetBits( cl->flags, FCL_RESEND_USERINFO|FCL_RESEND_MOVEVARS );
// reset client times
cl->connecttime = 0.0;
cl->ignorecmdtime = 0.0;
cl->cmdtime = 0.0;
if( !FBitSet( cl->flags, FCL_FAKECLIENT ))
{
int viewEnt;
// NOTE: it's will be fragmented automatically in right ordering
MSG_WriteBits( &msg, MSG_GetData( &sv.signon ), MSG_GetNumBitsWritten( &sv.signon ));
if( cl->pViewEntity )
viewEnt = NUM_FOR_EDICT( cl->pViewEntity );
else viewEnt = NUM_FOR_EDICT( cl->edict );
MSG_BeginServerCmd( &msg, svc_setview );
MSG_WriteWord( &msg, viewEnt );
MSG_BeginServerCmd( &msg, svc_signonnum );
MSG_WriteByte( &msg, 1 );
if( MSG_CheckOverflow( &msg ))
{
if( svs.maxclients == 1 )
Host_Error( "spawn player: overflowed\n" );
else SV_DropClient( cl, false );
}
else
{
// send initialization data
Netchan_CreateFragments( &cl->netchan, &msg );
Netchan_FragSend( &cl->netchan );
}
}
}
/*
===========
SV_UpdateClientView
Resend the client viewentity (used for demos)
============
*/
void SV_UpdateClientView( sv_client_t *cl )
{
int viewEnt;
if( cl->pViewEntity )
viewEnt = NUM_FOR_EDICT( cl->pViewEntity );
else viewEnt = NUM_FOR_EDICT( cl->edict );
MSG_BeginServerCmd( &cl->netchan.message, svc_setview );
MSG_WriteWord( &cl->netchan.message, viewEnt );
}
/*
==================
SV_TogglePause
==================
*/
void SV_TogglePause( const char *msg )
{
if( sv.background ) return;
sv.paused ^= 1;
if( COM_CheckString( msg ))
SV_BroadcastPrintf( NULL, "%s", msg );
// send notification to all clients
MSG_BeginServerCmd( &sv.reliable_datagram, svc_setpause );
MSG_WriteOneBit( &sv.reliable_datagram, sv.paused );
}
/*
================
SV_SendReconnect
Tell all the clients that the server is changing levels
================
*/
void SV_BuildReconnect( sizebuf_t *msg )
{
MSG_BeginServerCmd( msg, svc_stufftext );
MSG_WriteString( msg, "reconnect\n" );
}
/*
==================
SV_WriteDeltaDescriptionToClient
send delta communication encoding
==================
*/
void SV_WriteDeltaDescriptionToClient( sizebuf_t *msg )
{
int tableIndex;
int fieldIndex;
for( tableIndex = 0; tableIndex < Delta_NumTables(); tableIndex++ )
{
delta_info_t *dt = Delta_FindStructByIndex( tableIndex );
for( fieldIndex = 0; fieldIndex < dt->numFields; fieldIndex++ )
Delta_WriteTableField( msg, tableIndex, &dt->pFields[fieldIndex] );
}
}
/*
================
SV_SendServerdata
Sends the first message from the server to a connected client.
This will be sent on the initial connection and upon each server load.
================
*/
void SV_SendServerdata( sizebuf_t *msg, sv_client_t *cl )
{
string message;
int i;
// Only send this message to developer console, or multiplayer clients.
if(( host_developer.value ) || ( svs.maxclients > 1 ))
{
MSG_BeginServerCmd( msg, svc_print );
Q_snprintf( message, sizeof( message ), "\n^3BUILD %d SERVER (%i CRC)\nServer #%i\n", Q_buildnum(), sv.progsCRC, svs.spawncount );
MSG_WriteString( msg, message );
}
// send the serverdata
MSG_BeginServerCmd( msg, svc_serverdata );
MSG_WriteLong( msg, PROTOCOL_VERSION );
MSG_WriteLong( msg, svs.spawncount );
MSG_WriteLong( msg, sv.worldmapCRC );
MSG_WriteByte( msg, cl - svs.clients );
MSG_WriteByte( msg, svs.maxclients );
MSG_WriteWord( msg, GI->max_edicts );
MSG_WriteWord( msg, MAX_MODELS );
MSG_WriteString( msg, sv.name );
MSG_WriteString( msg, STRING( svgame.edicts->v.message )); // Map Message
MSG_WriteOneBit( msg, sv.background ); // tell client about background map
MSG_WriteString( msg, GI->gamefolder );
MSG_WriteLong( msg, host.features );
// send the player hulls
for( i = 0; i < MAX_MAP_HULLS * 3; i++ )
{
MSG_WriteChar( msg, host.player_mins[i/3][i%3] );
MSG_WriteChar( msg, host.player_maxs[i/3][i%3] );
}
// send delta-encoding
SV_WriteDeltaDescriptionToClient( msg );
// now client know delta and can reading encoded messages
SV_FullUpdateMovevars( cl, msg );
// send the user messages registration
for( i = 1; i < MAX_USER_MESSAGES && svgame.msg[i].name[0]; i++ )
SV_SendUserReg( msg, &svgame.msg[i] );
for( i = 0; i < MAX_LIGHTSTYLES; i++ )
{
if( !sv.lightstyles[i].pattern[0] )
continue; // unused style
MSG_BeginServerCmd( msg, svc_lightstyle );
MSG_WriteByte( msg, i ); // stylenum
MSG_WriteString( msg, sv.lightstyles[i].pattern );
MSG_WriteFloat( msg, sv.lightstyles[i].time );
}
}
/*
============================================================
CLIENT COMMAND EXECUTION
============================================================
*/
/*
================
SV_New_f
Sends the first message from the server to a connected client.
This will be sent on the initial connection and upon each server load.
================
*/
static qboolean SV_New_f( sv_client_t *cl )
{
byte msg_buf[MAX_INIT_MSG];
char szRejectReason[128];
char szAddress[128];
char szName[32];
sv_client_t *cur;
sizebuf_t msg;
int i;
memset( msg_buf, 0, sizeof( msg_buf ));
MSG_Init( &msg, "New", msg_buf, sizeof( msg_buf ));
if( cl->state != cs_connected )
return false;
// send the serverdata
SV_SendServerdata( &msg, cl );
// if the client was connected, tell the game .dll to disconnect him/her.
if(( cl->state == cs_spawned ) && cl->edict )
svgame.dllFuncs.pfnClientDisconnect( cl->edict );
Q_strncpy( szName, cl->name, sizeof( szName ) );
Q_strncpy( szAddress, NET_AdrToString( cl->netchan.remote_address ), sizeof( szAddress ) );
Q_strncpy( szRejectReason, "Connection rejected by game\n", sizeof( szRejectReason ) );
// Allow the game dll to reject this client.
if( !svgame.dllFuncs.pfnClientConnect( cl->edict, szName, szAddress, szRejectReason ))
{
// reject the connection and drop the client.
SV_RejectConnection( cl->netchan.remote_address, "%s\n", szRejectReason );
SV_DropClient( cl, false );
return true;
}
// server info string
MSG_BeginServerCmd( &msg, svc_stufftext );
MSG_WriteStringf( &msg, "fullserverinfo \"%s\"\n", SV_Serverinfo( ));
// collect the info about all the players and send to me
for( i = 0, cur = svs.clients; i < svs.maxclients; i++, cur++ )
{
if( !cur->edict || cur->state != cs_spawned )
continue; // not in game yet
SV_FullClientUpdate( cur, &msg );
}
// g-cont. why this is there?
memset( &cl->lastcmd, 0, sizeof( cl->lastcmd ));
Netchan_CreateFragments( &cl->netchan, &msg );
Netchan_FragSend( &cl->netchan );
return true;
}
/*
=================
SV_Disconnect_f
The client is going to disconnect, so remove the connection immediately
=================
*/
static qboolean SV_Disconnect_f( sv_client_t *cl )
{
SV_DropClient( cl, false );
return true;
}
/*
==================
SV_ShowServerinfo_f
Dumps the serverinfo info string
==================
*/
static qboolean SV_ShowServerinfo_f( sv_client_t *cl )
{
Info_Print( svs.serverinfo );
return true;
}
/*
==================
SV_Pause_f
==================
*/
static qboolean SV_Pause_f( sv_client_t *cl )
{
string message;
if( UI_CreditsActive( ))
return true;
if( !sv_pausable.value )
{
SV_ClientPrintf( cl, "Pause not allowed.\n" );
return true;
}
if( FBitSet( cl->flags, FCL_HLTV_PROXY ))
{
SV_ClientPrintf( cl, "Spectators can not pause.\n" );
return true;
}
if( !sv.paused ) Q_snprintf( message, MAX_STRING, "^2%s^7 paused the game\n", cl->name );
else Q_snprintf( message, MAX_STRING, "^2%s^7 unpaused the game\n", cl->name );
SV_TogglePause( message );
return true;
}
static qboolean SV_ShouldUpdateUserinfo( sv_client_t *cl )
{
qboolean allow = true; // predict state
if( !sv_userinfo_enable_penalty.value )
return allow;
if( FBitSet( cl->flags, FCL_FAKECLIENT ))
return allow;
// start from 1 second
if( !cl->userinfo_penalty )
cl->userinfo_penalty = sv_userinfo_penalty_time.value;
// player changes userinfo after limit time window, but before
// next timewindow
// he seems to be spammer, so just increase change attempts
if( host.realtime < cl->userinfo_next_changetime + cl->userinfo_penalty * sv_userinfo_penalty_multiplier.value )
{
// player changes userinfo too quick! ignore!
if( host.realtime < cl->userinfo_next_changetime )
{
Con_Reportf( "SV_ShouldUpdateUserinfo: ignore userinfo update for %s: penalty %f, attempts %i\n",
cl->name, cl->userinfo_penalty, cl->userinfo_change_attempts );
allow = false;
}
cl->userinfo_change_attempts++;
}
// they spammed too fast, increase penalty
if( cl->userinfo_change_attempts > sv_userinfo_penalty_attempts.value )
{
Con_Reportf( "SV_ShouldUpdateUserinfo: penalty set %f for %s\n",
cl->userinfo_penalty, cl->name );
cl->userinfo_penalty *= sv_userinfo_penalty_multiplier.value;
cl->userinfo_change_attempts = 0;
}
cl->userinfo_next_changetime = host.realtime + cl->userinfo_penalty;
return allow;
}
/*
=================
SV_UserinfoChanged
Pull specific info from a newly changed userinfo string
into a more C freindly form.
=================
*/
static void SV_UserinfoChanged( sv_client_t *cl )
{
int i, dupc = 1;
edict_t *ent = cl->edict;
string name1, name2;
sv_client_t *current;
const char *val;
if( !COM_CheckString( cl->userinfo ))
return;
if( !SV_ShouldUpdateUserinfo( cl ))
return;
if( !Info_IsValid( cl->userinfo ))
return;
val = Info_ValueForKey( cl->userinfo, "name" );
Q_strncpy( name2, val, sizeof( name2 ));
COM_TrimSpace( name2, name1 );
if( !Q_stricmp( name1, "console" ))
{
Info_SetValueForKey( cl->userinfo, "name", "unnamed", MAX_INFO_STRING );
val = Info_ValueForKey( cl->userinfo, "name" );
}
else if( Q_strcmp( name1, val ))
{
Info_SetValueForKey( cl->userinfo, "name", name1, MAX_INFO_STRING );
val = Info_ValueForKey( cl->userinfo, "name" );
}
if( !COM_CheckStringEmpty( name1 ) )
{
Info_SetValueForKey( cl->userinfo, "name", "unnamed", MAX_INFO_STRING );
val = Info_ValueForKey( cl->userinfo, "name" );
Q_strncpy( name2, "unnamed", sizeof( name2 ));
Q_strncpy( name1, "unnamed", sizeof( name1 ));
}
// check to see if another user by the same name exists
while( 1 )
{
for( i = 0, current = svs.clients; i < svs.maxclients; i++, current++ )
{
if( current == cl || current->state != cs_spawned )
continue;
if( !Q_stricmp( current->name, val ))
break;
}
if( i != svs.maxclients )
{
// dup name
Q_snprintf( name2, sizeof( name2 ), "%s (%u)", name1, dupc++ );
Info_SetValueForKey( cl->userinfo, "name", name2, MAX_INFO_STRING );
val = Info_ValueForKey( cl->userinfo, "name" );
Q_strncpy( cl->name, name2, sizeof( cl->name ));
}
else
{
if( dupc == 1 ) // unchanged
Q_strncpy( cl->name, name1, sizeof( cl->name ));
break;
}
}
// rate command
val = Info_ValueForKey( cl->userinfo, "rate" );
if( COM_CheckString( val ) )
cl->netchan.rate = bound( sv_minrate.value, Q_atoi( val ), sv_maxrate.value );
else cl->netchan.rate = DEFAULT_RATE;
// movement prediction
if( Q_atoi( Info_ValueForKey( cl->userinfo, "cl_nopred" )))
ClearBits( cl->flags, FCL_PREDICT_MOVEMENT );
else SetBits( cl->flags, FCL_PREDICT_MOVEMENT );
// lag compensation
if( Q_atoi( Info_ValueForKey( cl->userinfo, "cl_lc" )))
SetBits( cl->flags, FCL_LAG_COMPENSATION );
else ClearBits( cl->flags, FCL_LAG_COMPENSATION );
// weapon perdiction
if( Q_atoi( Info_ValueForKey( cl->userinfo, "cl_lw" )))
SetBits( cl->flags, FCL_LOCAL_WEAPONS );
else ClearBits( cl->flags, FCL_LOCAL_WEAPONS );
val = Info_ValueForKey( cl->userinfo, "cl_updaterate" );
if( COM_CheckString( val ) )
{
if( Q_atoi( val ) != 0 )
{
cl->cl_updaterate = 1.0 / bound( sv_minupdaterate.value, Q_atoi( val ), sv_maxupdaterate.value );
}
else cl->cl_updaterate = 0.0;
}
// call prog code to allow overrides
svgame.dllFuncs.pfnClientUserInfoChanged( cl->edict, cl->userinfo );
val = Info_ValueForKey( cl->userinfo, "name" );
Q_strncpy( cl->name, val, sizeof( cl->name ));
ent->v.netname = MAKE_STRING( cl->name );
}
/*
==================
SV_UpdateUserinfo_f
==================
*/
static qboolean SV_UpdateUserinfo_f( sv_client_t *cl )
{
Q_strncpy( cl->userinfo, Cmd_Argv( 1 ), sizeof( cl->userinfo ));
if( cl->state >= cs_connected )
SetBits( cl->flags, FCL_RESEND_USERINFO ); // needs for update client info
return true;
}
/*
==================
SV_SetInfo_f
==================
*/
static qboolean SV_SetInfo_f( sv_client_t *cl )
{
Info_SetValueForKey( cl->userinfo, Cmd_Argv( 1 ), Cmd_Argv( 2 ), MAX_INFO_STRING );
if( cl->state >= cs_connected )
SetBits( cl->flags, FCL_RESEND_USERINFO ); // needs for update client info
return true;
}
/*
==================
SV_Noclip_f
==================
*/
static qboolean SV_Noclip_f( sv_client_t *cl )
{
edict_t *pEntity = cl->edict;
if( !Cvar_VariableInteger( "sv_cheats" ) || sv.background )
return true;
if( pEntity->v.movetype != MOVETYPE_NOCLIP )
{
SV_ClientPrintf( cl, "noclip ON\n" );
pEntity->v.movetype = MOVETYPE_NOCLIP;
}
else
{
SV_ClientPrintf( cl, "noclip OFF\n" );
pEntity->v.movetype = MOVETYPE_WALK;
}
return true;
}
/*
==================
SV_Godmode_f
==================
*/
static qboolean SV_Godmode_f( sv_client_t *cl )
{
edict_t *pEntity = cl->edict;
if( !Cvar_VariableInteger( "sv_cheats" ) || sv.background )
return true;
pEntity->v.flags = pEntity->v.flags ^ FL_GODMODE;
if( !FBitSet( pEntity->v.flags, FL_GODMODE ))
SV_ClientPrintf( cl, "godmode OFF\n" );
else SV_ClientPrintf( cl, "godmode ON\n" );
return true;
}
/*
==================
SV_Notarget_f
==================
*/
static qboolean SV_Notarget_f( sv_client_t *cl )
{
edict_t *pEntity = cl->edict;
if( !Cvar_VariableInteger( "sv_cheats" ) || sv.background )
return true;
pEntity->v.flags = pEntity->v.flags ^ FL_NOTARGET;
if( !FBitSet( pEntity->v.flags, FL_NOTARGET ))
SV_ClientPrintf( cl, "notarget OFF\n" );
else SV_ClientPrintf( cl, "notarget ON\n" );
return true;
}
/*
==================
SV_Kill_f
==================
*/
static qboolean SV_Kill_f( sv_client_t *cl )
{
if( !SV_IsValidEdict( cl->edict ))
return true;
if( cl->state != cs_spawned )
{
SV_ClientPrintf( cl, "Can't suicide - not connected!\n" );
return true;
}
if( cl->edict->v.health <= 0.0f )
{
SV_ClientPrintf( cl, "Can't suicide - already dead!\n");
return true;
}
svgame.dllFuncs.pfnClientKill( cl->edict );
return true;
}
/*
==================
SV_SendRes_f
==================
*/
static qboolean SV_SendRes_f( sv_client_t *cl )
{
byte buffer[MAX_INIT_MSG];
sizebuf_t msg;
if( cl->state != cs_connected )
return false;
memset( buffer, 0, sizeof( buffer ));
MSG_Init( &msg, "SendResources", buffer, sizeof( buffer ));
if( svs.maxclients > 1 && FBitSet( cl->flags, FCL_SEND_RESOURCES ))
return true;
SetBits( cl->flags, FCL_SEND_RESOURCES );
SV_SendResources( cl, &msg );
Netchan_CreateFragments( &cl->netchan, &msg );
Netchan_FragSend( &cl->netchan );
return true;
}
/*
==================
SV_DownloadFile_f
==================
*/
static qboolean SV_DownloadFile_f( sv_client_t *cl )
{
const char *name;
if( Cmd_Argc() < 2 )
return true;
name = Cmd_Argv( 1 );
if( !COM_CheckString( name ))
return true;
if( !COM_IsSafeFileToDownload( name ) || !sv_allow_download.value )
{
SV_FailDownload( cl, name );
return true;
}
// g-cont. now we supports hot precache
if( name[0] != '!' )
{
if( sv_send_resources.value )
{
int i;
// security: allow download only precached resources
for( i = 0; i < sv.num_resources; i++ )
{
const char *cmpname = name;
if( sv.resources[i].type == t_sound )
cmpname += sizeof( DEFAULT_SOUNDPATH ) - 1; // cut "sound/" off
if( !Q_strncmp( sv.resources[i].szFileName, cmpname, 64 ) )
break;
}
if( i == sv.num_resources )
{
SV_FailDownload( cl, name );
return true;
}
// also check the model textures
if( !Q_stricmp( COM_FileExtension( name ), "mdl" ))
{
if( FS_FileExists( Mod_StudioTexName( name ), false ) > 0 )
Netchan_CreateFileFragments( &cl->netchan, Mod_StudioTexName( name ));
}
if( Netchan_CreateFileFragments( &cl->netchan, name ))
{
Netchan_FragSend( &cl->netchan );
return true;
}
}
SV_FailDownload( cl, name );
return true;
}
if( Q_strlen( name ) == 36 && !Q_strnicmp( name, "!MD5", 4 ) && sv_send_logos.value )
{
resource_t custResource;
byte md5[32];
byte *pbuf;
int size;
memset( &custResource, 0, sizeof( custResource ) );
COM_HexConvert( name + 4, 32, md5 );
if( HPAK_ResourceForHash( CUSTOM_RES_PATH, md5, &custResource ))
{
if( HPAK_GetDataPointer( CUSTOM_RES_PATH, &custResource, &pbuf, &size ))
{
if( size )
{
Netchan_CreateFileFragmentsFromBuffer( &cl->netchan, name, pbuf, size );
Netchan_FragSend( &cl->netchan );
Mem_Free( pbuf );
}
}
}
}
else
{
SV_FailDownload( cl, name );
}
return true;
}
/*
==================
SV_Spawn_f
==================
*/
static qboolean SV_Spawn_f( sv_client_t *cl )
{
if( cl->state != cs_connected )
return false;
// handle the case of a level changing while a client was connecting
if( Q_atoi( Cmd_Argv( 1 )) != svs.spawncount )
{
SV_New_f( cl );
return true;
}
SV_PutClientInServer( cl );
// if we are paused, tell the clients
if( sv.paused )
{
MSG_BeginServerCmd( &sv.reliable_datagram, svc_setpause );
MSG_WriteByte( &sv.reliable_datagram, sv.paused );
SV_ClientPrintf( cl, "Server is paused.\n" );
}
return true;
}
/*
==================
SV_Begin_f
==================
*/
static qboolean SV_Begin_f( sv_client_t *cl )
{
if( cl->state != cs_connected )
return false;
// now client is spawned
cl->state = cs_spawned;
cl->connecttime = host.realtime;
return true;
}
/*
==================
SV_SendBuildInfo_f
==================
*/
static qboolean SV_SendBuildInfo_f( sv_client_t *cl )
{
SV_ClientPrintf( cl, "Server running " XASH_ENGINE_NAME " " XASH_VERSION " (build %i-%s, %s-%s)\n",
Q_buildnum(), Q_buildcommit(), Q_buildos(), Q_buildarch() );
return true;
}
/*
==================
SV_GetCrossEnt
==================
*/
static edict_t *SV_GetCrossEnt( edict_t *player )
{
edict_t *ent = EDICT_NUM(1);
edict_t *closest = NULL;
float flMaxDot = 0.94;
vec3_t forward;
vec3_t viewPos;
int i;
float maxLen = 1000;
AngleVectors( player->v.v_angle, forward, NULL, NULL );
VectorAdd( player->v.origin, player->v.view_ofs, viewPos );
// find bmodels by trace
{
trace_t trace;
vec3_t target;
VectorMA( viewPos, 1000, forward, target );
trace = SV_Move( viewPos, vec3_origin, vec3_origin, target, 0, player, false );
closest = trace.ent;
VectorSubtract( viewPos, trace.endpos, target );
maxLen = VectorLength(target) + 30;
}
// check untraceable entities
for ( i = 1; i < svgame.numEntities; i++, ent++ )
{
vec3_t vecLOS;
vec3_t vecOrigin;
float flDot, traceLen;
vec3_t boxSize;
trace_t trace;
vec3_t vecTrace;
if( ent->free )
continue;
if( ent->v.solid == SOLID_BSP || ent->v.movetype == MOVETYPE_PUSHSTEP )
continue; // bsp models will be found by trace later
// do not touch following weapons
if( ent->v.movetype == MOVETYPE_FOLLOW )
continue;
if( ent == player )
continue;
VectorAdd( ent->v.absmin, ent->v.absmax, vecOrigin );
VectorScale( vecOrigin, 0.5, vecOrigin );
VectorSubtract( vecOrigin, viewPos, vecLOS );
traceLen = VectorLength(vecLOS);
if( traceLen > maxLen )
continue;
VectorCopy( ent->v.size, boxSize);
VectorScale( boxSize, 0.5, boxSize );
if ( vecLOS[0] > boxSize[0] )
vecLOS[0] -= boxSize[0];
else if ( vecLOS[0] < -boxSize[0] )
vecLOS[0] += boxSize[0];
else
vecLOS[0] = 0;
if ( vecLOS[1] > boxSize[1] )
vecLOS[1] -= boxSize[1];
else if ( vecLOS[1] < -boxSize[1] )
vecLOS[1] += boxSize[1];
else
vecLOS[1] = 0;
if ( vecLOS[2] > boxSize[2] )
vecLOS[2] -= boxSize[2];
else if ( vecLOS[2] < -boxSize[2] )
vecLOS[2] += boxSize[2];
else
vecLOS[2] = 0;
VectorNormalize( vecLOS );
flDot = DotProduct (vecLOS , forward);
if ( flDot <= flMaxDot )
continue;
trace = SV_Move( viewPos, vec3_origin, vec3_origin, vecOrigin, 0, player, false );
VectorSubtract( trace.endpos, viewPos, vecTrace );
if( VectorLength( vecTrace ) + 30 < traceLen )
continue;
closest = ent, flMaxDot = flDot;
}
return closest;
}
/*
==================
SV_EntFindSingle
==================
*/
static edict_t *SV_EntFindSingle( sv_client_t *cl, const char *pattern )
{
edict_t *ent = NULL;
int i = 0;
if( Q_isdigit( pattern ) )
{
i = Q_atoi( pattern );
if( i >= svgame.numEntities )
return NULL;
}
else if( !Q_stricmp( pattern, "!cross" ) )
{
ent = SV_GetCrossEnt( cl->edict );
if( !SV_IsValidEdict( ent ) )
return NULL;
i = NUM_FOR_EDICT( ent );
}
else if( pattern[0] == '!' ) // check for correct instance with !(num)_(serial)
{
const char *p = pattern + 1;
i = Q_atoi( p );
while( Q_isdigit( p )) p++;
if( *p++ != '_' )
return NULL;
if( i >= svgame.numEntities )
return NULL;
ent = EDICT_NUM( i );
if( ent->serialnumber != Q_atoi( p ) )
return NULL;
}
else
{
for( i = svgame.globals->maxClients + 1; i < svgame.numEntities; i++ )
{
ent = EDICT_NUM( i );
if( !SV_IsValidEdict( ent ) )
continue;
if( Q_stricmpext( pattern, STRING( ent->v.targetname ) ) )
break;
}
}
ent = EDICT_NUM( i );
if( !SV_IsValidEdict( ent ) )
return NULL;
return ent;
}
/*
===============
SV_EntList_f
Print list of entities to client
===============
*/
static qboolean SV_EntList_f( sv_client_t *cl )
{
vec3_t borigin;
edict_t *ent = NULL;
int i;
for( i = 0; i < svgame.numEntities; i++ )
{
ent = EDICT_NUM( i );
if( !SV_IsValidEdict( ent ))
continue;
// filter by string
if( Cmd_Argc() > 1 )
{
if( !Q_stricmpext( Cmd_Argv( 1 ), STRING( ent->v.classname ) ) && !Q_stricmpext( Cmd_Argv( 1 ), STRING( ent->v.targetname ) ) )
continue;
}
VectorAdd( ent->v.absmin, ent->v.absmax, borigin );
VectorScale( borigin, 0.5, borigin );
SV_ClientPrintf( cl, "%5i origin: %.f %.f %.f", i, ent->v.origin[0], ent->v.origin[1], ent->v.origin[2] );
SV_ClientPrintf( cl, "%5i borigin: %.f %.f %.f", i, borigin[0], borigin[1], borigin[2] );
if( ent->v.classname )
SV_ClientPrintf( cl, ", class: %s", STRING( ent->v.classname ));
if( ent->v.globalname )
SV_ClientPrintf( cl, ", global: %s", STRING( ent->v.globalname ));
if( ent->v.targetname )
SV_ClientPrintf( cl, ", name: %s", STRING( ent->v.targetname ));
if( ent->v.target )
SV_ClientPrintf( cl, ", target: %s", STRING( ent->v.target ));
if( ent->v.model )
SV_ClientPrintf( cl, ", model: %s", STRING( ent->v.model ));
SV_ClientPrintf( cl, "\n" );
}
return true;
}
/*
===============
SV_EntInfo_f
Print specified entity information to client
===============
*/
static qboolean SV_EntInfo_f( sv_client_t *cl )
{
edict_t *ent = NULL;
vec3_t borigin;
if( Cmd_Argc() != 2 )
{
SV_ClientPrintf( cl, "Use ent_info <index|name|inst>\n" );
return false;
}
ent = SV_EntFindSingle( cl, Cmd_Argv( 1 ) );
if( !SV_IsValidEdict( ent ))
return false;
VectorAdd( ent->v.absmin, ent->v.absmax, borigin );
VectorScale( borigin, 0.5, borigin );
SV_ClientPrintf( cl, "origin: %.f %.f %.f\n", ent->v.origin[0], ent->v.origin[1], ent->v.origin[2] );
SV_ClientPrintf( cl, "angles: %.f %.f %.f\n", ent->v.angles[0], ent->v.angles[1], ent->v.angles[2] );
SV_ClientPrintf( cl, "borigin: %.f %.f %.f\n", borigin[0], borigin[1], borigin[2] );
if( ent->v.classname )
SV_ClientPrintf( cl, "class: %s\n", STRING( ent->v.classname ));
if( ent->v.globalname )
SV_ClientPrintf( cl, "global: %s\n", STRING( ent->v.globalname ));
if( ent->v.targetname )
SV_ClientPrintf( cl, "name: %s\n", STRING( ent->v.targetname ));
if( ent->v.target )
SV_ClientPrintf( cl, "target: %s\n", STRING( ent->v.target ));
if( ent->v.model )
SV_ClientPrintf( cl, "model: %s\n", STRING( ent->v.model ));
SV_ClientPrintf( cl, "health: %.f\n", ent->v.health );
if( ent->v.gravity != 1.0f )
SV_ClientPrintf( cl, "gravity: %.2f\n", ent->v.gravity );
SV_ClientPrintf( cl, "movetype: %d\n", ent->v.movetype );
SV_ClientPrintf( cl, "rendermode: %d\n", ent->v.rendermode );
SV_ClientPrintf( cl, "renderfx: %d\n", ent->v.renderfx );
SV_ClientPrintf( cl, "renderamt: %f\n", ent->v.renderamt );
SV_ClientPrintf( cl, "rendercolor: %f %f %f\n", ent->v.rendercolor[0], ent->v.rendercolor[1], ent->v.rendercolor[2] );
SV_ClientPrintf( cl, "maxspeed: %f\n", ent->v.maxspeed );
if( ent->v.solid )
SV_ClientPrintf( cl, "solid: %d\n", ent->v.solid );
SV_ClientPrintf( cl, "flags: 0x%x\n", ent->v.flags );
SV_ClientPrintf( cl, "spawnflags: 0x%x\n", ent->v.spawnflags );
return true;
}
/*
===============
SV_EntFire_f
Perform some actions
===============
*/
static qboolean SV_EntFire_f( sv_client_t *cl )
{
edict_t *ent = NULL;
int i = 1, count = 0;
qboolean single; // true if user specified something that match single entity
if( Cmd_Argc() < 3 )
{
SV_ClientPrintf( cl, "Use ent_fire <index||pattern> <command> [<values>]\n"
"Use ent_fire 0 help to get command list\n" );
return false;
}
if( ( single = Q_isdigit( Cmd_Argv( 1 ) ) ) )
{
i = Q_atoi( Cmd_Argv( 1 ) );
if( i < 0 || i >= svgame.numEntities )
return false;
ent = EDICT_NUM( i );
}
else if( ( single = !Q_stricmp( Cmd_Argv( 1 ), "!cross" ) ) )
{
ent = SV_GetCrossEnt( cl->edict );
if (!SV_IsValidEdict(ent))
return false;
i = NUM_FOR_EDICT( ent );
}
else if( ( single = ( Cmd_Argv( 1 )[0] == '!') ) ) // check for correct instance with !(num)_(serial)
{
const char *cmd = Cmd_Argv( 1 ) + 1;
i = Q_atoi( cmd );
while( Q_isdigit( cmd )) cmd++;
if( *cmd++ != '_' )
return false;
if( i < 0 || i >= svgame.numEntities )
return false;
ent = EDICT_NUM( i );
if( ent->serialnumber != Q_atoi( cmd ) )
return false;
}
else
{
i = svgame.globals->maxClients + 1;
}
for( ; ( i < svgame.numEntities ) && ( count < sv_enttools_maxfire.value ); i++ )
{
ent = EDICT_NUM( i );
if( !SV_IsValidEdict( ent ))
{
// SV_ClientPrintf( cl, PRINT_LOW, "Got invalid entity\n" );
if( single )
break;
continue;
}
// if user specified not a number, try find such entity
if( !single )
{
if( !Q_stricmpext( Cmd_Argv( 1 ), STRING( ent->v.targetname ) ) && !Q_stricmpext( Cmd_Argv( 1 ), STRING( ent->v.classname ) ))
continue;
}
SV_ClientPrintf( cl, "entity %i\n", i );
count++;
if( !Q_stricmp( Cmd_Argv( 2 ), "health" ) )
ent->v.health = Q_atoi( Cmd_Argv ( 3 ) );
else if( !Q_stricmp( Cmd_Argv( 2 ), "gravity" ) )
ent->v.gravity = Q_atof( Cmd_Argv ( 3 ) );
else if( !Q_stricmp( Cmd_Argv( 2 ), "movetype" ) )
ent->v.movetype = Q_atoi( Cmd_Argv ( 3 ) );
else if( !Q_stricmp( Cmd_Argv( 2 ), "solid" ) )
ent->v.solid = Q_atoi( Cmd_Argv ( 3 ) );
else if( !Q_stricmp( Cmd_Argv( 2 ), "rename" ) )
ent->v.targetname = ALLOC_STRING( Cmd_Argv ( 3 ) );
else if( !Q_stricmp( Cmd_Argv( 2 ), "settarget" ) )
ent->v.target = ALLOC_STRING( Cmd_Argv ( 3 ) );
else if( !Q_stricmp( Cmd_Argv( 2 ), "setmodel" ) )
SV_SetModel( ent, Cmd_Argv( 3 ) );
else if( !Q_stricmp( Cmd_Argv( 2 ), "set" ) )
{
string keyname;
string value;
KeyValueData pkvd;
if( Cmd_Argc() != 5 )
return false;
pkvd.szClassName = (char*)STRING( ent->v.classname );
Q_strncpy( keyname, Cmd_Argv( 3 ), sizeof( keyname ));
Q_strncpy( value, Cmd_Argv( 4 ), sizeof( value ));
pkvd.szKeyName = keyname;
pkvd.szValue = value;
pkvd.fHandled = false;
svgame.dllFuncs.pfnKeyValue( ent, &pkvd );
if( pkvd.fHandled )
SV_ClientPrintf( cl, "value set successfully!\n" );
}
else if( !Q_stricmp( Cmd_Argv( 2 ), "touch" ) )
{
if( Cmd_Argc() == 4 )
{
edict_t *other = SV_EntFindSingle( cl, Cmd_Argv( 3 ) );
if( other && other->pvPrivateData )
svgame.dllFuncs.pfnTouch( ent, other );
}
else
svgame.dllFuncs.pfnTouch( ent, cl->edict );
}
else if( !Q_stricmp( Cmd_Argv( 2 ), "use" ) )
{
if( Cmd_Argc() == 4 )
{
edict_t *other = SV_EntFindSingle( cl, Cmd_Argv( 3 ) );
if( other && other->pvPrivateData )
svgame.dllFuncs.pfnUse( ent, other );
}
else
svgame.dllFuncs.pfnUse( ent, cl->edict );
}
else if( !Q_stricmp( Cmd_Argv( 2 ), "movehere" ) )
{
ent->v.origin[2] = cl->edict->v.origin[2] + 25;
ent->v.origin[1] = cl->edict->v.origin[1] + 100 * sin( DEG2RAD( cl->edict->v.angles[1] ) );
ent->v.origin[0] = cl->edict->v.origin[0] + 100 * cos( DEG2RAD( cl->edict->v.angles[1] ) );
SV_LinkEdict( ent, true );
}
else if( !Q_stricmp( Cmd_Argv( 2 ), "drop2floor" ) )
{
pfnDropToFloor( ent );
}
else if( !Q_stricmp( Cmd_Argv( 2 ), "moveup" ) )
{
float dist = 25;
if( Cmd_Argc() >= 4 )
dist = Q_atof( Cmd_Argv( 3 ) );
ent->v.origin[2] += dist;
if( Cmd_Argc() >= 5 )
{
dist = Q_atof( Cmd_Argv( 4 ) );
ent->v.origin[0] += dist * cos( DEG2RAD( cl->edict->v.angles[1] ) );
ent->v.origin[1] += dist * sin( DEG2RAD( cl->edict->v.angles[1] ) );
}
}
else if( !Q_stricmp( Cmd_Argv( 2 ), "becomeowner" ) )
{
if( Cmd_Argc() == 4 )
ent->v.owner = SV_EntFindSingle( cl, Cmd_Argv( 3 ) );
else
ent->v.owner = cl->edict;
}
else if( !Q_stricmp( Cmd_Argv( 2 ), "becomeenemy" ) )
{
if( Cmd_Argc() == 4 )
ent->v.enemy = SV_EntFindSingle( cl, Cmd_Argv( 3 ) );
else
ent->v.enemy = cl->edict;
}
else if( !Q_stricmp( Cmd_Argv( 2 ), "becomeaiment" ) )
{
if( Cmd_Argc() == 4 )
ent->v.aiment= SV_EntFindSingle( cl, Cmd_Argv( 3 ) );
else
ent->v.aiment = cl->edict;
}
else if( !Q_stricmp( Cmd_Argv( 2 ), "hullmin" ) )
{
if( Cmd_Argc() != 6 )
return false;
ent->v.mins[0] = Q_atof( Cmd_Argv( 3 ) );
ent->v.mins[1] = Q_atof( Cmd_Argv( 4 ) );
ent->v.mins[2] = Q_atof( Cmd_Argv( 5 ) );
}
else if( !Q_stricmp( Cmd_Argv( 2 ), "hullmax" ) )
{
if( Cmd_Argc() != 6 )
return false;
ent->v.maxs[0] = Q_atof( Cmd_Argv( 3 ) );
ent->v.maxs[1] = Q_atof( Cmd_Argv( 4 ) );
ent->v.maxs[2] = Q_atof( Cmd_Argv( 5 ) );
}
else if( !Q_stricmp( Cmd_Argv( 2 ), "rendercolor" ) )
{
if( Cmd_Argc() != 6 )
return false;
ent->v.rendercolor[0] = Q_atof( Cmd_Argv( 3 ) );
ent->v.rendercolor[1] = Q_atof( Cmd_Argv( 4 ) );
ent->v.rendercolor[2] = Q_atof( Cmd_Argv( 5 ) );
}
else if( !Q_stricmp( Cmd_Argv( 2 ), "renderamt" ) )
{
ent->v.renderamt = Q_atof( Cmd_Argv( 3 ) );
}
else if( !Q_stricmp( Cmd_Argv( 2 ), "renderfx" ) )
{
ent->v.renderfx = Q_atoi( Cmd_Argv( 3 ) );
}
else if( !Q_stricmp( Cmd_Argv( 2 ), "rendermode" ) )
{
ent->v.rendermode = Q_atoi( Cmd_Argv( 3 ) );
}
else if( !Q_stricmp( Cmd_Argv( 2 ), "angles" ) )
{
ent->v.angles[0] = Q_atof( Cmd_Argv( 3 ) );
ent->v.angles[1] = Q_atof( Cmd_Argv( 4 ) );
ent->v.angles[2] = Q_atof( Cmd_Argv( 5 ) );
}
else if( !Q_stricmp( Cmd_Argv( 2 ), "setflag" ) )
{
ent->v.flags |= 1U << Q_atoi( Cmd_Argv ( 3 ) );
SV_ClientPrintf( cl, "flags set to 0x%x\n", ent->v.flags );
}
else if( !Q_stricmp( Cmd_Argv( 2 ), "clearflag" ) )
{
ent->v.flags &= ~( 1U << Q_atoi( Cmd_Argv ( 3 ) ) );
SV_ClientPrintf( cl, "flags set to 0x%x\n", ent->v.flags );
}
else if( !Q_stricmp( Cmd_Argv( 2 ), "setspawnflag" ) )
{
ent->v.spawnflags |= 1U << Q_atoi( Cmd_Argv ( 3 ) );
SV_ClientPrintf( cl, "spawnflags set to 0x%x\n", ent->v.spawnflags );
}
else if( !Q_stricmp( Cmd_Argv( 2 ), "clearspawnflag" ) )
{
ent->v.spawnflags &= ~( 1U << Q_atoi( Cmd_Argv ( 3 ) ) );
SV_ClientPrintf( cl, "spawnflags set to 0x%x\n", ent->v.flags );
}
else if( !Q_stricmp( Cmd_Argv( 2 ), "help" ) )
{
SV_ClientPrintf( cl, "Available commands:\n"
"Set fields:\n"
" (Only set entity field, does not call any functions)\n"
" health\n"
" gravity\n"
" movetype\n"
" solid\n"
" rendermode\n"
" rendercolor (vector)\n"
" renderfx\n"
" renderamt\n"
" hullmin (vector)\n"
" hullmax (vector)\n"
"Actions\n"
" rename: set entity targetname\n"
" settarget: set entity target (only targetnames)\n"
" setmodel: set entity model\n"
" set: set <key> <value> by server library\n"
" See game FGD to get list.\n"
" command takes two arguments\n"
" touch: touch entity by current player.\n"
" use: use entity by current player.\n"
" movehere: place entity in player fov.\n"
" drop2floor: place entity to nearest floor surface\n"
" moveup: move entity to 25 units up\n"
"Flags:\n"
" (Set/clear specified flag bit, arg is bit number)\n"
" setflag\n"
" clearflag\n"
" setspawnflag\n"
" clearspawnflag\n"
);
return true;
}
else
{
SV_ClientPrintf( cl, "Unknown command %s!\nUse \"ent_fire 0 help\" to list commands.\n", Cmd_Argv( 2 ) );
return false;
}
if( single )
break;
}
return true;
}
/*
===============
SV_EntSendVars
===============
*/
static void SV_EntSendVars( sv_client_t *cl, edict_t *ent )
{
if( !ent )
return;
MSG_WriteByte( &cl->netchan.message, svc_stufftext );
MSG_WriteStringf( &cl->netchan.message, "set ent_last_name \"%s\"\n", STRING( ent->v.targetname ));
MSG_WriteByte( &cl->netchan.message, svc_stufftext );
MSG_WriteStringf( &cl->netchan.message, "set ent_last_num %i\n", NUM_FOR_EDICT( ent ));
MSG_WriteByte( &cl->netchan.message, svc_stufftext );
MSG_WriteStringf( &cl->netchan.message, "set ent_last_inst !%i_%i\n", NUM_FOR_EDICT( ent ), ent->serialnumber );
MSG_WriteByte( &cl->netchan.message, svc_stufftext );
MSG_WriteStringf( &cl->netchan.message, "set ent_last_origin \"%f %f %f\"\n", ent->v.origin[0], ent->v.origin[1], ent->v.origin[2] );
MSG_WriteByte( &cl->netchan.message, svc_stufftext );
MSG_WriteStringf( &cl->netchan.message, "set ent_last_class \"%s\"\n", STRING( ent->v.classname ));
MSG_WriteByte( &cl->netchan.message, svc_stufftext );
MSG_WriteString( &cl->netchan.message, "ent_getvars_cb\n" ); // why do we need this?
}
/*
===============
SV_EntCreate_f
Create new entity with specified name.
===============
*/
static qboolean SV_EntCreate_f( sv_client_t *cl )
{
edict_t *ent = NULL;
int i = 0;
string_t classname;
if( Cmd_Argc() < 2 )
{
SV_ClientPrintf( cl, "Use ent_create <classname> <key1> <value1> <key2> <value2> ...\n" );
return false;
}
classname = ALLOC_STRING( Cmd_Argv( 1 ) );
ent = SV_CreateNamedEntity( 0, classname );
// Xash3D extension
if( !ent && svgame.physFuncs.SV_CreateEntity )
{
ent = SV_AllocEdict();
ent->v.classname = classname;
if( svgame.physFuncs.SV_CreateEntity( ent, (char*)STRING( classname ) ) == -1 )
{
if( ent && !ent->free )
SV_FreeEdict( ent );
ent = NULL;
}
}
// XashXT does not implement SV_CreateEntity, use saverestore export
if( !ent && svgame.physFuncs.pfnCreateEntitiesInRestoreList )
{
SAVERESTOREDATA data = { 0 };
ENTITYTABLE table = { 0 };
data.tableCount = 1;
data.pTable = &table;
table.classname = classname;
table.id = -1;
table.size = 1;
svgame.physFuncs.pfnCreateEntitiesInRestoreList( &data, 0, false );
ent = table.pent;
}
if( !ent )
{
SV_ClientPrintf( cl, "Invalid entity!\n" );
return false;
}
// choose default origin
ent->v.origin[2] = cl->edict->v.origin[2] + 25;
ent->v.origin[1] = cl->edict->v.origin[1] + 100 * sin( DEG2RAD( cl->edict->v.angles[1] ) );
ent->v.origin[0] = cl->edict->v.origin[0] + 100 * cos( DEG2RAD( cl->edict->v.angles[1] ) );
SV_LinkEdict( ent, false );
// apply keyvalues if supported
if( svgame.dllFuncs.pfnKeyValue )
{
for( i = 2; i < Cmd_Argc() - 1; i++ )
{
string keyname;
string value;
KeyValueData pkvd;
// allow split keyvalues to prespawn and postspawn
if( !Q_strcmp( Cmd_Argv( i ), "|" ) )
break;
Q_strncpy( keyname, Cmd_Argv( i++ ), sizeof( keyname ));
Q_strncpy( value, Cmd_Argv( i ), sizeof( value ));
pkvd.fHandled = false;
pkvd.szClassName = (char*)STRING( ent->v.classname );
pkvd.szKeyName = keyname;
pkvd.szValue = value;
svgame.dllFuncs.pfnKeyValue( ent, &pkvd );
if( pkvd.fHandled )
SV_ClientPrintf( cl, "value \"%s\" set to \"%s\"!\n", pkvd.szKeyName, pkvd.szValue );
}
}
// set default targetname
if( !ent->v.targetname )
{
string newname, clientname;
int j;
for( j = 0; j < sizeof( cl->name ); j++ )
{
char c = Q_tolower( cl->name[j] );
if( c < 'a' || c > 'z' )
c = '_';
if( !cl->name[j] )
{
clientname[j] = 0;
break;
}
clientname[j] = c;
}
// generate name based on nick name and index
Q_snprintf( newname, sizeof( newname ), "%s_%i_e%i", clientname, cl->userid, NUM_FOR_EDICT( ent ));
// i know, it may break strict aliasing rules
// but we will not lose anything in this case.
Q_strnlwr( newname, newname, sizeof( newname ));
ent->v.targetname = ALLOC_STRING( newname );
SV_EntSendVars( cl, ent );
}
SV_ClientPrintf( cl, "Created %i: %s, targetname %s\n", NUM_FOR_EDICT( ent ), Cmd_Argv( 1 ), STRING( ent->v.targetname ) );
if( svgame.dllFuncs.pfnSpawn )
svgame.dllFuncs.pfnSpawn( ent );
// now drop entity to floor.
pfnDropToFloor( ent );
// force think. Otherwise given weapon may crash server if player touch it before.
svgame.dllFuncs.pfnThink( ent );
pfnDropToFloor( ent );
// apply postspawn keyvales if supported
if( svgame.dllFuncs.pfnKeyValue )
{
for( i = i + 1; i < Cmd_Argc() - 1; i++ )
{
string keyname;
string value;
KeyValueData pkvd;
Q_strncpy( keyname, Cmd_Argv( i++ ), sizeof( keyname ));
Q_strncpy( value, Cmd_Argv( i ), sizeof( value ));
pkvd.fHandled = false;
pkvd.szClassName = (char*)STRING( ent->v.classname );
pkvd.szKeyName = keyname;
pkvd.szValue = value;
svgame.dllFuncs.pfnKeyValue( ent, &pkvd );
if( pkvd.fHandled )
SV_ClientPrintf( cl, "value \"%s\" set to \"%s\"!\n", pkvd.szKeyName, pkvd.szValue );
}
}
return true;
}
static qboolean SV_EntGetVars_f( sv_client_t *cl )
{
edict_t *ent = NULL;
if( Cmd_Argc() != 2 )
{
SV_ClientPrintf( cl, "Use ent_getvars <index|name|inst>\n" );
return false;
}
ent = SV_EntFindSingle( cl, Cmd_Argv( 1 ) );
if( Cmd_Argc() )
{
if( !SV_IsValidEdict( ent ))
return false;
}
SV_EntSendVars( cl, ent );
return true;
}
ucmd_t ucmds[] =
{
{ "new", SV_New_f },
{ "god", SV_Godmode_f },
{ "kill", SV_Kill_f },
{ "begin", SV_Begin_f },
{ "spawn", SV_Spawn_f },
{ "pause", SV_Pause_f },
{ "noclip", SV_Noclip_f },
{ "setinfo", SV_SetInfo_f },
{ "sendres", SV_SendRes_f },
{ "notarget", SV_Notarget_f },
{ "info", SV_ShowServerinfo_f },
{ "dlfile", SV_DownloadFile_f },
{ "disconnect", SV_Disconnect_f },
{ "userinfo", SV_UpdateUserinfo_f },
{ "_sv_build_info", SV_SendBuildInfo_f },
{ NULL, NULL }
};
ucmd_t enttoolscmds[] =
{
{ "ent_list", SV_EntList_f },
{ "ent_info", SV_EntInfo_f },
{ "ent_fire", SV_EntFire_f },
{ "ent_create", SV_EntCreate_f },
{ "ent_getvars", SV_EntGetVars_f },
{ NULL, NULL }
};
/*
==================
SV_ExecuteUserCommand
==================
*/
void SV_ExecuteClientCommand( sv_client_t *cl, const char *s )
{
ucmd_t *u;
Cmd_TokenizeString( s );
for( u = ucmds; u->name; u++ )
{
if( !Q_strcmp( Cmd_Argv( 0 ), u->name ))
{
if( !u->func( cl ))
Con_Printf( "'%s' is not valid from the console\n", u->name );
else Con_Reportf( "ucmd->%s()\n", u->name );
break;
}
}
if( !u->name && sv_enttools_enable.value > 0.0f && !sv.background )
{
for( u = enttoolscmds; u->name; u++ )
{
if( !Q_strcmp( Cmd_Argv( 0 ), u->name ))
{
Con_Reportf( "enttools->%s(): %s\n", u->name, s );
Log_Printf( "\"%s<%i><%s><>\" performed: %s\n", Info_ValueForKey( cl->userinfo, "name" ),
cl->userid, SV_GetClientIDString( cl ), s );
if( u->func )
u->func( cl );
break;
}
}
}
if( !u->name && sv.state == ss_active )
{
qboolean fullupdate = !Q_strcmp( Cmd_Argv( 0 ), "fullupdate" );
if( fullupdate )
{
if( sv_fullupdate_penalty_time.value && host.realtime < cl->fullupdate_next_calltime )
return;
}
// custom client commands
svgame.dllFuncs.pfnClientCommand( cl->edict );
if( fullupdate )
{
// resend the ambient sounds for demo recording
SV_RestartAmbientSounds();
// resend all the decals for demo recording
SV_RestartDecals();
// resend all the static ents for demo recording
SV_RestartStaticEnts();
// resend the viewentity
SV_UpdateClientView( cl );
if( sv_fullupdate_penalty_time.value )
cl->fullupdate_next_calltime = host.realtime + sv_fullupdate_penalty_time.value;
}
}
}
/*
=================
SV_ConnectionlessPacket
A connectionless packet has four leading 0xff
characters to distinguish it from a game channel.
Clients that are in the game can still send
connectionless packets.
=================
*/
void SV_ConnectionlessPacket( netadr_t from, sizebuf_t *msg )
{
char *args;
const char *pcmd;
char buf[MAX_SYSPATH];
int len = sizeof( buf );
// prevent flooding from banned address
if( SV_CheckIP( &from ) )
return;
MSG_Clear( msg );
MSG_ReadLong( msg );// skip the -1 marker
args = MSG_ReadStringLine( msg );
Cmd_TokenizeString( args );
pcmd = Cmd_Argv( 0 );
if( sv_log_outofband.value )
Con_Reportf( "SV_ConnectionlessPacket: %s : %s\n", NET_AdrToString( from ), pcmd );
if( !Q_strcmp( pcmd, "ping" )) SV_Ping( from );
else if( !Q_strcmp( pcmd, "ack" )) SV_Ack( from );
else if( !Q_strcmp( pcmd, "info" )) SV_Info( from, Q_atoi( Cmd_Argv( 1 )));
else if( !Q_strcmp( pcmd, "bandwidth" )) SV_TestBandWidth( from );
else if( !Q_strcmp( pcmd, "getchallenge" )) SV_GetChallenge( from );
else if( !Q_strcmp( pcmd, "connect" )) SV_ConnectClient( from );
else if( !Q_strcmp( pcmd, "rcon" )) SV_RemoteCommand( from, msg );
else if( !Q_strcmp( pcmd, "netinfo" )) SV_BuildNetAnswer( from );
else if( !Q_strcmp( pcmd, "s" )) SV_AddToMaster( from, msg );
else if( !Q_strcmp( pcmd, "i" )) NET_SendPacket( NS_SERVER, 5, "\xFF\xFF\xFF\xFFj", from ); // A2A_PING
else if( SV_SourceQuery_HandleConnnectionlessPacket( pcmd, from )) { } // function handles replies
else if( !Q_strcmp( pcmd, "c" ) && sv_nat.value && NET_IsMasterAdr( from ))
{
netadr_t to;
if( NET_StringToAdr( Cmd_Argv( 1 ), &to ) && !NET_IsReservedAdr( to ))
SV_Info( to, PROTOCOL_VERSION );
}
else if( svgame.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 Con_DPrintf( S_ERROR "bad connectionless packet from %s:\n%s\n", NET_AdrToString( from ), args );
}
/*
==================
SV_ParseClientMove
The message usually contains all the movement commands
that were in the last three packets, so that the information
in dropped packets can be recovered.
On very fast clients, there may be multiple usercmd packed into
each of the backup packets.
==================
*/
static void SV_ParseClientMove( sv_client_t *cl, sizebuf_t *msg )
{
client_frame_t *frame;
int key, size, checksum1, checksum2;
int i, numbackup, totalcmds, numcmds;
usercmd_t nullcmd, *to, *from;
usercmd_t cmds[CMD_BACKUP];
float packet_loss;
edict_t *player;
model_t *model;
player = cl->edict;
frame = &cl->frames[cl->netchan.incoming_acknowledged & SV_UPDATE_MASK];
memset( &nullcmd, 0, sizeof( usercmd_t ));
memset( cmds, 0, sizeof( cmds ));
key = MSG_GetRealBytesRead( msg );
checksum1 = MSG_ReadByte( msg );
packet_loss = MSG_ReadByte( msg );
numbackup = MSG_ReadByte( msg );
numcmds = MSG_ReadByte( msg );
totalcmds = numcmds + numbackup;
net_drop -= (numcmds - 1);
if( totalcmds < 0 || totalcmds >= CMD_MASK )
{
Con_Reportf( S_ERROR "SV_ParseClientMove: %s sending too many commands %i\n", cl->name, totalcmds );
SV_DropClient( cl, false );
return;
}
from = &nullcmd; // first cmd are starting from null-compressed usercmd_t
for( i = totalcmds - 1; i >= 0; i-- )
{
to = &cmds[i];
MSG_ReadDeltaUsercmd( msg, from, to );
from = to; // get new baseline
}
if( cl->state != cs_spawned )
return;
// if the checksum fails, ignore the rest of the packet
size = MSG_GetRealBytesRead( msg ) - key - 1;
checksum2 = CRC32_BlockSequence( msg->pData + key + 1, size, cl->netchan.incoming_sequence );
if( checksum2 != checksum1 )
{
Con_Reportf( S_ERROR "SV_UserMove: failed command checksum for %s (%d != %d)\n", cl->name, checksum2, checksum1 );
return;
}
cl->packet_loss = packet_loss;
// freeze player for some reasons if loadgame was executed
if( GameState->loadGame )
return;
// check for pause or frozen
if( sv.paused || !CL_IsInGame() || SV_PlayerIsFrozen( player ))
{
for( i = 0; i < numcmds; i++ )
{
cmds[i].msec = 0;
cmds[i].forwardmove = 0;
cmds[i].sidemove = 0;
cmds[i].upmove = 0;
cmds[i].buttons = 0;
if( SV_PlayerIsFrozen( player ))
cmds[i].impulse = 0;
VectorCopy( cmds[i].viewangles, player->v.v_angle );
}
net_drop = 0;
}
else
{
if( !player->v.fixangle )
VectorCopy( cmds[0].viewangles, player->v.v_angle );
}
SV_EstablishTimeBase( cl, cmds, net_drop, numbackup, numcmds );
if( net_drop < 24 )
{
while( net_drop > numbackup )
{
SV_RunCmd( cl, &cl->lastcmd, 0 );
net_drop--;
}
while( net_drop > 0 )
{
i = numcmds + net_drop - 1;
SV_RunCmd( cl, &cmds[i], cl->netchan.incoming_sequence - i );
net_drop--;
}
}
for( i = numcmds - 1; i >= 0; i-- )
{
SV_RunCmd( cl, &cmds[i], cl->netchan.incoming_sequence - i );
}
cl->lastcmd = cmds[0];
// adjust latency time by 1/2 last client frame since
// the message probably arrived 1/2 through client's frame loop
frame->ping_time -= ( cl->lastcmd.msec * 0.5f ) / 1000.0f;
frame->ping_time = Q_max( 0.0f, frame->ping_time );
model = SV_ModelHandle( player->v.modelindex );
if( model && model->type == mod_studio )
{
// g-cont. yes we using svgame.globals->time instead of sv.time
if( player->v.animtime > svgame.globals->time + sv.frametime )
player->v.animtime = svgame.globals->time + sv.frametime;
}
}
/*
===================
SV_ParseResourceList
Parse resource list
===================
*/
void SV_ParseResourceList( sv_client_t *cl, sizebuf_t *msg )
{
int totalsize;
resource_t *resource;
int i, total;
resourceinfo_t ri;
total = MSG_ReadShort( msg );
SV_ClearResourceList( &cl->resourcesneeded );
SV_ClearResourceList( &cl->resourcesonhand );
for( i = 0; i < total; i++ )
{
resource = Z_Calloc( sizeof( resource_t ) );
Q_strncpy( resource->szFileName, MSG_ReadString( msg ), sizeof( resource->szFileName ));
resource->type = MSG_ReadByte( msg );
resource->nIndex = MSG_ReadShort( msg );
resource->nDownloadSize = MSG_ReadLong( msg );
resource->ucFlags = MSG_ReadByte( msg );
resource->pNext = NULL;
resource->pPrev = NULL;
ClearBits( resource->ucFlags, RES_WASMISSING );
if( FBitSet( resource->ucFlags, RES_CUSTOM ))
MSG_ReadBytes( msg, resource->rgucMD5_hash, 16 );
if( resource->type > t_world || resource->nDownloadSize > 1024 * 1024 * 1024 )
{
SV_ClearResourceList( &cl->resourcesneeded );
SV_ClearResourceList( &cl->resourcesonhand );
return;
}
SV_AddToResourceList( resource, &cl->resourcesneeded );
}
totalsize = COM_SizeofResourceList( &cl->resourcesneeded, &ri );
if( totalsize != 0 && sv_allow_upload.value )
{
Con_DPrintf( "Verifying and uploading resources...\n" );
if( totalsize != 0 )
{
Con_DPrintf( "Custom resources total %.2fK\n", totalsize / 1024.0 );
if ( ri.info[t_model].size != 0 )
Con_DPrintf( " Models: %.2fK\n", ri.info[t_model].size / 1024.0 );
if ( ri.info[t_sound].size != 0 )
Con_DPrintf( " Sounds: %.2fK\n", ri.info[t_sound].size / 1024.0 );
if ( ri.info[t_decal].size != 0 )
Con_DPrintf( " Decals: %.2fK\n", ri.info[t_decal].size / 1024.0 );
if ( ri.info[t_skin].size != 0 )
Con_DPrintf( " Skins : %.2fK\n", ri.info[t_skin].size / 1024.0 );
if ( ri.info[t_generic].size != 0 )
Con_DPrintf( " Generic : %.2fK\n", ri.info[t_generic].size / 1024.0 );
if ( ri.info[t_eventscript].size != 0 )
Con_DPrintf( " Events : %.2fK\n", ri.info[t_eventscript].size / 1024.0 );
Con_DPrintf( "----------------------\n" );
}
totalsize = SV_EstimateNeededResources( cl );
if( totalsize > sv_uploadmax.value * 1024 * 1024 )
{
SV_ClearResourceList( &cl->resourcesneeded );
SV_ClearResourceList( &cl->resourcesonhand );
return;
}
Con_DPrintf( "resources to request: %s\n", Q_memprint( totalsize ));
}
cl->upstate = us_processing;
SV_BatchUploadRequest( cl );
}
/*
===================
SV_ParseCvarValue
Parse a requested value from client cvar
===================
*/
void SV_ParseCvarValue( sv_client_t *cl, sizebuf_t *msg )
{
const char *value = MSG_ReadString( msg );
if( svgame.dllFuncs2.pfnCvarValue != NULL )
svgame.dllFuncs2.pfnCvarValue( cl->edict, value );
Con_Reportf( "Cvar query response: name:%s, value:%s\n", cl->name, value );
}
/*
===================
SV_ParseCvarValue2
Parse a requested value from client cvar
===================
*/
void SV_ParseCvarValue2( sv_client_t *cl, sizebuf_t *msg )
{
string name, value;
int requestID = MSG_ReadLong( msg );
Q_strncpy( name, MSG_ReadString( msg ), sizeof( name ));
Q_strncpy( value, MSG_ReadString( msg ), sizeof( value ));
if( svgame.dllFuncs2.pfnCvarValue2 != NULL )
svgame.dllFuncs2.pfnCvarValue2( cl->edict, requestID, name, value );
Con_Reportf( "Cvar query response: name:%s, request ID %d, cvar:%s, value:%s\n", cl->name, requestID, name, value );
}
/*
===================
SV_ParseVoiceData
===================
*/
void SV_ParseVoiceData( sv_client_t *cl, sizebuf_t *msg )
{
char received[4096];
sv_client_t *cur;
int i, client;
uint length, size, frames;
cl->m_bLoopback = MSG_ReadByte( msg );
frames = MSG_ReadByte( msg );
size = MSG_ReadShort( msg );
client = cl - svs.clients;
if( size > sizeof( received ))
{
Con_DPrintf( "SV_ParseVoiceData: invalid incoming packet.\n" );
SV_DropClient( cl, false );
return;
}
MSG_ReadBytes( msg, received, size );
if( !sv_voiceenable.value )
return;
for( i = 0, cur = svs.clients; i < svs.maxclients; i++, cur++ )
{
if( cl != cur )
{
if( cur->state < cs_connected )
continue;
if( !FBitSet( cur->listeners, BIT( client )))
continue;
}
length = size;
// 6 is a number of bytes for other parts of message
if( MSG_GetNumBytesLeft( &cur->datagram ) < length + 6 )
continue;
if( cl == cur && !cur->m_bLoopback )
length = 0;
MSG_BeginServerCmd( &cur->datagram, svc_voicedata );
MSG_WriteByte( &cur->datagram, client );
MSG_WriteByte( &cur->datagram, frames );
MSG_WriteShort( &cur->datagram, length );
MSG_WriteBytes( &cur->datagram, received, length );
}
}
/*
===================
SV_ExecuteClientMessage
Parse a client packet
===================
*/
void SV_ExecuteClientMessage( sv_client_t *cl, sizebuf_t *msg )
{
qboolean move_issued = false;
client_frame_t *frame;
int c;
ASSERT( cl->frames != NULL );
// calc ping time
frame = &cl->frames[cl->netchan.incoming_acknowledged & SV_UPDATE_MASK];
// ping time doesn't factor in message interval, either
frame->ping_time = host.realtime - frame->senttime - cl->cl_updaterate;
// on first frame ( no senttime ) don't skew ping
if( frame->senttime == 0.0f ) frame->ping_time = 0.0f;
// don't skew ping based on signon stuff either
if(( host.realtime - cl->connection_started ) < 2.0f && ( frame->ping_time > 0.0f ))
frame->ping_time = 0.0f;
cl->latency = SV_CalcClientTime( cl );
cl->delta_sequence = -1; // no delta unless requested
// read optional clientCommand strings
while( cl->state != cs_zombie )
{
if( MSG_CheckOverflow( msg ))
{
Con_DPrintf( S_ERROR "incoming overflow for %s\n", cl->name );
SV_DropClient( cl, false );
return;
}
// end of message
if( MSG_GetNumBitsLeft( msg ) < 8 )
break;
c = MSG_ReadClientCmd( msg );
switch( c )
{
case clc_nop:
break;
case clc_delta:
cl->delta_sequence = MSG_ReadByte( msg );
break;
case clc_move:
if( move_issued ) return; // someone is trying to cheat...
move_issued = true;
SV_ParseClientMove( cl, msg );
break;
case clc_stringcmd:
SV_ExecuteClientCommand( cl, MSG_ReadString( msg ));
if( cl->state == cs_zombie )
return; // disconnect command
break;
case clc_resourcelist:
SV_ParseResourceList( cl, msg );
break;
case clc_fileconsistency:
SV_ParseConsistencyResponse( cl, msg );
break;
case clc_voicedata:
SV_ParseVoiceData( cl, msg );
break;
case clc_requestcvarvalue:
SV_ParseCvarValue( cl, msg );
break;
case clc_requestcvarvalue2:
SV_ParseCvarValue2( cl, msg );
break;
default:
Con_DPrintf( S_ERROR "%s: clc_bad\n", cl->name );
SV_DropClient( cl, false );
return;
}
}
}