/*
* TV_Module_RelayError
*/
static void TV_Module_RelayError( relay_t *relay, const char *msg )
{
if( !relay )
TV_Module_Error( va( "RelayError without relay: %s\n", msg ) );
if( msg )
TV_Relay_Error( relay, "Game error: %s", msg );
else
TV_Relay_Error( relay, "Game error" );
}
/*
* TV_Module_ConfigString
*/
static void TV_Module_ConfigString( relay_t *relay, int index, const char *val )
{
size_t len;
if( !relay )
{
Com_Printf( "Error: TV_Module_ConfigString: Relay not set\n" );
return;
}
if( !val )
TV_Relay_Error( relay, "TV_Module_ConfigString: No value" );
if( index < 0 || index >= MAX_CONFIGSTRINGS )
TV_Relay_Error( relay, "TV_Module_ConfigString: Bad index" );
len = strlen( val );
if( len >= sizeof( relay->configstrings[0] ) )
{
Com_Printf( "WARNING: 'TV_Module_ConfigString', configstring %i overflowed (%i)\n", index, len );
len = sizeof( relay->configstrings[0] ) - 1;
}
if( !COM_ValidateConfigstring( val ) )
{
Com_Printf( "WARNING: 'TV_Module_ConfigString' invalid configstring %i: %s\n", index, val );
return;
}
// ignore if no changes
if( !strncmp( relay->configstrings[index], val, len ) && relay->configstrings[index][len] == '\0' )
return;
// change the string in sv
Q_strncpyz( relay->configstrings[index], val, sizeof( relay->configstrings[index] ) );
{
// We have to manually broadcast this one.
client_t *client;
int i;
for( i = 0, client = tvs.clients; i < tv_maxclients->integer; i++, client++ )
{
if( client->state < CS_CONNECTED )
continue;
if( client->relay != relay )
continue;
TV_Downstream_SendServerCommand( client, "cs %i \"%s\"", index, val );
}
}
}
/*
* TV_Module_LocateLocalEntities
*/
static void TV_Module_LocateLocalEntities( relay_t *relay, struct edict_s *edicts, int edict_size, int num_edicts,
int max_edicts )
{
int i;
if( !relay )
{
Com_Printf( "Error: TV_Module_LocateLocalEntities: Relay not set\n" );
return;
}
if( !edicts || edict_size < sizeof( entity_shared_t ) )
TV_Relay_Error( relay, "TV_Module_LocateLocalEntities: bad edicts" );
relay->gi.local_edicts = edicts;
relay->gi.local_edict_size = edict_size;
relay->gi.local_num_edicts = num_edicts;
relay->gi.local_max_edicts = max_edicts;
for( i = 0; i < tv_maxclients->integer; i++ )
{
if( tvs.clients[i].relay == relay )
{
tvs.clients[i].edict = LOCAL_EDICT_NUM( relay, i );
}
}
}
/*
* TV_Module_ExecuteClientThinks
*/
static void TV_Module_ExecuteClientThinks( relay_t *relay, int clientNum )
{
client_t *client;
if( !relay )
{
Com_Printf( "Error: TV_Module_ExecuteClientThinks: Relay not set\n" );
return;
}
if( clientNum < 0 || clientNum >= tv_maxclients->integer )
TV_Relay_Error( relay, "TV_Module_ExecuteClientThinks: Invalid clientNum" );
client = tvs.clients + clientNum;
if( client->state < CS_SPAWNED || client->relay != relay )
TV_Relay_Error( relay, "TV_Module_ExecuteClientThinks: Invalid clientNum" );
TV_Downstream_ExecuteClientThinks( relay, client );
}
/*
* TV_Module_GetClientState
* Game code asks for the state of this client
*/
static int TV_Module_GetClientState( relay_t *relay, int numClient )
{
client_t *client;
if( !relay )
{
Com_Printf( "Error: TV_Module_GetClientState: Relay not set\n" );
return -1;
}
if( numClient < 0 || numClient >= tv_maxclients->integer )
TV_Relay_Error( relay, "TV_Module_GetClientState: Invalid numClient" );
client = &tvs.clients[numClient];
if( client->relay != relay )
TV_Relay_Error( relay, "TV_Module_GetClientState: Invalid client" );
return client->state;
}
/*
* TV_Module_GameCmd
*
* Sends the server command to clients.
* if numClient is -1 the command will be sent to all connected clients
*/
static void TV_Module_GameCmd( relay_t *relay, int numClient, const char *cmd )
{
int i;
client_t *client;
if( !relay )
{
Com_Printf( "Error: TV_Module_GameCmd: Relay not set\n" );
return;
}
if( !cmd || !cmd[0] )
TV_Relay_Error( relay, "TV_Module_GameCmd: Missing command" );
if( numClient < -1 || numClient >= tv_maxclients->integer )
TV_Relay_Error( relay, "TV_Module_GameCmd: Invalid numClient" );
if( numClient == -1 )
{
for( i = 0, client = tvs.clients; i < tv_maxclients->integer; i++, client++ )
{
if( client->state < CS_SPAWNED )
continue;
if( client->relay != relay )
continue;
TV_Downstream_AddGameCommand( relay, client, cmd );
}
}
else
{
client = &tvs.clients[numClient];
if( client->state == CS_FREE || client->state == CS_ZOMBIE || client->relay != relay )
TV_Relay_Error( relay, "TV_Module_GameCmd: Invalid client" );
TV_Downstream_AddGameCommand( relay, client, cmd );
}
}
/*
* TV_Module_DropClient
*/
static void TV_Module_DropClient( relay_t *relay, int numClient, int type, const char *message )
{
client_t *client;
if( !relay )
{
Com_Printf( "Error: TV_Module_DropClient: Relay not set\n" );
return;
}
if( numClient < 0 || numClient >= tv_maxclients->integer )
TV_Relay_Error( relay, "TV_Module_DropClient: Invalid numClient" );
client = &tvs.clients[numClient];
if( client->state == CS_FREE || client->state == CS_ZOMBIE || client->relay != relay )
TV_Relay_Error( relay, "TV_Module_DropClient: Invalid client" );
if( message )
TV_Downstream_DropClient( client, type, "%s", message );
else
TV_Downstream_DropClient( client, type, "" );
}
/*
* TV_Relay_ParseServerData
*/
static void TV_Relay_ParseServerData( relay_t *relay, msg_t *msg )
{
int i, numpure;
TV_Relay_ClearState( relay );
relay->state = CA_CONNECTED;
relay->map_checksum = 0;
// parse protocol version number
i = MSG_ReadLong( msg );
if( i != APP_PROTOCOL_VERSION )
TV_Relay_Error( relay, "Server returned version %i, not %i", i, APP_PROTOCOL_VERSION );
relay->servercount = MSG_ReadLong( msg );
relay->snapFrameTime = (unsigned int)MSG_ReadShort( msg );
Q_strncpyz( relay->basegame, MSG_ReadString( msg ), sizeof( relay->basegame ) );
Q_strncpyz( relay->game, MSG_ReadString( msg ), sizeof( relay->game ) );
// parse player entity number
relay->playernum = MSG_ReadShort( msg );
// get the full level name
Q_strncpyz( relay->levelname, MSG_ReadString( msg ), sizeof( relay->levelname ) );
relay->sv_bitflags = MSG_ReadByte( msg );
// using upstream->reliable won't work for TV_Relay_ParseServerMessage
// in case of reliable demo following unreliable demo, causing "clack message while reliable" error
relay->reliable = ( ( relay->sv_bitflags & SV_BITFLAGS_RELIABLE ) ? qtrue : qfalse );
// pure list
// clean old, if necessary
Com_FreePureList( &relay->purelist );
// add new
numpure = MSG_ReadShort( msg );
while( numpure > 0 )
{
const char *pakname = MSG_ReadString( msg );
const unsigned checksum = MSG_ReadLong( msg );
Com_AddPakToPureList( &relay->purelist, pakname, checksum, relay->upstream->mempool );
numpure--;
}
}
/*
* TV_Module_LocateEntities
*/
static void TV_Module_LocateEntities( relay_t *relay, struct edict_s *edicts, int edict_size, int num_edicts,
int max_edicts )
{
if( !relay )
{
Com_Printf( "Error: TV_Module_LocateEntities: Relay not set\n" );
return;
}
if( !edicts || edict_size < sizeof( entity_shared_t ) )
TV_Relay_Error( relay, "TV_Module_LocateEntities: bad edicts" );
relay->gi.edicts = edicts;
relay->gi.edict_size = edict_size;
relay->gi.num_edicts = num_edicts;
relay->gi.max_edicts = max_edicts;
relay->gi.max_clients = min( num_edicts, MAX_CLIENTS );
}
/*
* TV_Relay_ParseServerMessage
*/
void TV_Relay_ParseServerMessage( relay_t *relay, msg_t *msg )
{
int cmd;
assert( relay && relay->state >= CA_HANDSHAKE );
assert( msg );
// parse the message
while( relay->state >= CA_HANDSHAKE )
{
if( msg->readcount > msg->cursize )
TV_Relay_Error( relay, "Bad server message" );
cmd = MSG_ReadByte( msg );
/*if( cmd == -1 )
Com_Printf( "%3i:CMD %i %s\n", msg->readcount-1, cmd, "EOF" );
else
Com_Printf( "%3i:CMD %i %s\n", msg->readcount-1, cmd, !svc_strings[cmd] ? "bad" : svc_strings[cmd] );*/
if( cmd == -1 )
break;
// other commands
switch( cmd )
{
default:
TV_Relay_Error( relay, "Illegible server message" );
case svc_nop:
break;
case svc_servercmd:
if( !relay->reliable )
{
int cmdNum = MSG_ReadLong( msg );
if( cmdNum < 0 )
TV_Relay_Error( relay, "Invalid cmdNum value" );
if( cmdNum <= relay->lastExecutedServerCommand )
{
MSG_ReadString( msg ); // read but ignore
break;
}
relay->lastExecutedServerCommand = cmdNum;
}
// fall trough
case svc_servercs: // configstrings from demo files. they don't have acknowledge
TV_Relay_ParseServerCommand( relay, msg );
break;
case svc_serverdata:
if( relay->upstream->demo.playing )
TV_Relay_ReconnectClients( relay );
if( relay->state == CA_HANDSHAKE )
{
Cbuf_Execute(); // make sure any stuffed commands are done
TV_Relay_ParseServerData( relay, msg );
}
else
{
return; // ignore rest of the packet (serverdata is always sent alone)
}
break;
case svc_spawnbaseline:
TV_Relay_ParseBaseline( relay, msg );
break;
case svc_download:
//CL_ParseDownload( msg );
break;
case svc_clcack:
if( relay->reliable )
TV_Relay_Error( relay, "clack message while reliable" );
MSG_ReadLong( msg ); // reliableAcknowledge
MSG_ReadLong( msg ); // ucmdAcknowledged
break;
case svc_frame:
TV_Relay_ParseFrame( relay, msg );
break;
case svc_demoinfo:
{
int length;
length = MSG_ReadLong( msg );
MSG_SkipData( msg, length );
}
break;
case svc_playerinfo:
case svc_packetentities:
case svc_match:
TV_Relay_Error( relay, "Out of place frame data" );
break;
case svc_extension:
if( 1 )
{
int len;
MSG_ReadByte( msg ); // extension id
MSG_ReadByte( msg ); // version number
len = MSG_ReadShort( msg ); // command length
MSG_SkipData( msg, len ); // command data
}
break;
}
}
}
