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Quake-III-Arena/code/client/cl_parse.c

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/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.
This file is part of Quake III Arena source code.
Quake III Arena source code 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 2 of the License,
or (at your option) any later version.
Quake III Arena source code 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.
You should have received a copy of the GNU General Public License
along with Quake III Arena source code; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
// cl_parse.c -- parse a message received from the server
#include "client.h"
char *svc_strings[256] = {
"svc_bad",
"svc_nop",
"svc_gamestate",
"svc_configstring",
"svc_baseline",
"svc_serverCommand",
"svc_download",
"svc_snapshot",
"svc_EOF",
"svc_voip",
};
void SHOWNET( msg_t *msg, char *s) {
if ( cl_shownet->integer >= 2) {
Com_Printf ("%3i:%s\n", msg->readcount-1, s);
}
}
/*
=========================================================================
MESSAGE PARSING
=========================================================================
*/
/*
==================
CL_DeltaEntity
Parses deltas from the given base and adds the resulting entity
to the current frame
==================
*/
void CL_DeltaEntity (msg_t *msg, clSnapshot_t *frame, int newnum, entityState_t *old,
qboolean unchanged) {
entityState_t *state;
// save the parsed entity state into the big circular buffer so
// it can be used as the source for a later delta
state = &cl.parseEntities[cl.parseEntitiesNum & (MAX_PARSE_ENTITIES-1)];
if ( unchanged ) {
*state = *old;
} else {
MSG_ReadDeltaEntity( msg, old, state, newnum );
}
if ( state->number == (MAX_GENTITIES-1) ) {
return; // entity was delta removed
}
cl.parseEntitiesNum++;
frame->numEntities++;
}
/*
==================
CL_ParsePacketEntities
==================
*/
void CL_ParsePacketEntities( msg_t *msg, clSnapshot_t *oldframe, clSnapshot_t *newframe) {
int newnum;
entityState_t *oldstate;
int oldindex, oldnum;
newframe->parseEntitiesNum = cl.parseEntitiesNum;
newframe->numEntities = 0;
// delta from the entities present in oldframe
oldindex = 0;
oldstate = NULL;
if (!oldframe) {
oldnum = 99999;
} else {
if ( oldindex >= oldframe->numEntities ) {
oldnum = 99999;
} else {
oldstate = &cl.parseEntities[
(oldframe->parseEntitiesNum + oldindex) & (MAX_PARSE_ENTITIES-1)];
oldnum = oldstate->number;
}
}
while ( 1 ) {
// read the entity index number
newnum = MSG_ReadBits( msg, GENTITYNUM_BITS );
if ( newnum == (MAX_GENTITIES-1) ) {
break;
}
if ( msg->readcount > msg->cursize ) {
Com_Error (ERR_DROP,"CL_ParsePacketEntities: end of message");
}
while ( oldnum < newnum ) {
// one or more entities from the old packet are unchanged
if ( cl_shownet->integer == 3 ) {
Com_Printf ("%3i: unchanged: %i\n", msg->readcount, oldnum);
}
CL_DeltaEntity( msg, newframe, oldnum, oldstate, qtrue );
oldindex++;
if ( oldindex >= oldframe->numEntities ) {
oldnum = 99999;
} else {
oldstate = &cl.parseEntities[
(oldframe->parseEntitiesNum + oldindex) & (MAX_PARSE_ENTITIES-1)];
oldnum = oldstate->number;
}
}
if (oldnum == newnum) {
// delta from previous state
if ( cl_shownet->integer == 3 ) {
Com_Printf ("%3i: delta: %i\n", msg->readcount, newnum);
}
CL_DeltaEntity( msg, newframe, newnum, oldstate, qfalse );
oldindex++;
if ( oldindex >= oldframe->numEntities ) {
oldnum = 99999;
} else {
oldstate = &cl.parseEntities[
(oldframe->parseEntitiesNum + oldindex) & (MAX_PARSE_ENTITIES-1)];
oldnum = oldstate->number;
}
continue;
}
if ( oldnum > newnum ) {
// delta from baseline
if ( cl_shownet->integer == 3 ) {
Com_Printf ("%3i: baseline: %i\n", msg->readcount, newnum);
}
CL_DeltaEntity( msg, newframe, newnum, &cl.entityBaselines[newnum], qfalse );
continue;
}
}
// any remaining entities in the old frame are copied over
while ( oldnum != 99999 ) {
// one or more entities from the old packet are unchanged
if ( cl_shownet->integer == 3 ) {
Com_Printf ("%3i: unchanged: %i\n", msg->readcount, oldnum);
}
CL_DeltaEntity( msg, newframe, oldnum, oldstate, qtrue );
oldindex++;
if ( oldindex >= oldframe->numEntities ) {
oldnum = 99999;
} else {
oldstate = &cl.parseEntities[
(oldframe->parseEntitiesNum + oldindex) & (MAX_PARSE_ENTITIES-1)];
oldnum = oldstate->number;
}
}
}
/*
================
CL_ParseSnapshot
If the snapshot is parsed properly, it will be copied to
cl.snap and saved in cl.snapshots[]. If the snapshot is invalid
for any reason, no changes to the state will be made at all.
================
*/
void CL_ParseSnapshot( msg_t *msg ) {
int len;
clSnapshot_t *old;
clSnapshot_t newSnap;
int deltaNum;
int oldMessageNum;
int i, packetNum;
// get the reliable sequence acknowledge number
// NOTE: now sent with all server to client messages
//clc.reliableAcknowledge = MSG_ReadLong( msg );
// read in the new snapshot to a temporary buffer
// we will only copy to cl.snap if it is valid
Com_Memset (&newSnap, 0, sizeof(newSnap));
// we will have read any new server commands in this
// message before we got to svc_snapshot
newSnap.serverCommandNum = clc.serverCommandSequence;
newSnap.serverTime = MSG_ReadLong( msg );
// if we were just unpaused, we can only *now* really let the
// change come into effect or the client hangs.
cl_paused->modified = 0;
newSnap.messageNum = clc.serverMessageSequence;
deltaNum = MSG_ReadByte( msg );
if ( !deltaNum ) {
newSnap.deltaNum = -1;
} else {
newSnap.deltaNum = newSnap.messageNum - deltaNum;
}
newSnap.snapFlags = MSG_ReadByte( msg );
// If the frame is delta compressed from data that we
// no longer have available, we must suck up the rest of
// the frame, but not use it, then ask for a non-compressed
// message
if ( newSnap.deltaNum <= 0 ) {
newSnap.valid = qtrue; // uncompressed frame
old = NULL;
clc.demowaiting = qfalse; // we can start recording now
} else {
old = &cl.snapshots[newSnap.deltaNum & PACKET_MASK];
if ( !old->valid ) {
// should never happen
Com_Printf ("Delta from invalid frame (not supposed to happen!).\n");
} else if ( old->messageNum != newSnap.deltaNum ) {
// The frame that the server did the delta from
// is too old, so we can't reconstruct it properly.
Com_Printf ("Delta frame too old.\n");
} else if ( cl.parseEntitiesNum - old->parseEntitiesNum > MAX_PARSE_ENTITIES-128 ) {
Com_Printf ("Delta parseEntitiesNum too old.\n");
} else {
newSnap.valid = qtrue; // valid delta parse
}
}
// read areamask
len = MSG_ReadByte( msg );
if(len > sizeof(newSnap.areamask))
{
Com_Error (ERR_DROP,"CL_ParseSnapshot: Invalid size %d for areamask", len);
return;
}
MSG_ReadData( msg, &newSnap.areamask, len);
// read playerinfo
SHOWNET( msg, "playerstate" );
if ( old ) {
MSG_ReadDeltaPlayerstate( msg, &old->ps, &newSnap.ps );
} else {
MSG_ReadDeltaPlayerstate( msg, NULL, &newSnap.ps );
}
// read packet entities
SHOWNET( msg, "packet entities" );
CL_ParsePacketEntities( msg, old, &newSnap );
// if not valid, dump the entire thing now that it has
// been properly read
if ( !newSnap.valid ) {
return;
}
// clear the valid flags of any snapshots between the last
// received and this one, so if there was a dropped packet
// it won't look like something valid to delta from next
// time we wrap around in the buffer
oldMessageNum = cl.snap.messageNum + 1;
if ( newSnap.messageNum - oldMessageNum >= PACKET_BACKUP ) {
oldMessageNum = newSnap.messageNum - ( PACKET_BACKUP - 1 );
}
for ( ; oldMessageNum < newSnap.messageNum ; oldMessageNum++ ) {
cl.snapshots[oldMessageNum & PACKET_MASK].valid = qfalse;
}
// copy to the current good spot
cl.snap = newSnap;
cl.snap.ping = 999;
// calculate ping time
for ( i = 0 ; i < PACKET_BACKUP ; i++ ) {
packetNum = ( clc.netchan.outgoingSequence - 1 - i ) & PACKET_MASK;
if ( cl.snap.ps.commandTime >= cl.outPackets[ packetNum ].p_serverTime ) {
cl.snap.ping = cls.realtime - cl.outPackets[ packetNum ].p_realtime;
break;
}
}
// save the frame off in the backup array for later delta comparisons
cl.snapshots[cl.snap.messageNum & PACKET_MASK] = cl.snap;
if (cl_shownet->integer == 3) {
Com_Printf( " snapshot:%i delta:%i ping:%i\n", cl.snap.messageNum,
cl.snap.deltaNum, cl.snap.ping );
}
cl.newSnapshots = qtrue;
}
//=====================================================================
int cl_connectedToPureServer;
int cl_connectedToCheatServer;
/*
==================
CL_SystemInfoChanged
The systeminfo configstring has been changed, so parse
new information out of it. This will happen at every
gamestate, and possibly during gameplay.
==================
*/
void CL_SystemInfoChanged( void ) {
char *systemInfo;
const char *s, *t;
char key[BIG_INFO_KEY];
char value[BIG_INFO_VALUE];
qboolean gameSet;
systemInfo = cl.gameState.stringData + cl.gameState.stringOffsets[ CS_SYSTEMINFO ];
// NOTE TTimo:
// when the serverId changes, any further messages we send to the server will use this new serverId
// https://zerowing.idsoftware.com/bugzilla/show_bug.cgi?id=475
// in some cases, outdated cp commands might get sent with this news serverId
cl.serverId = atoi( Info_ValueForKey( systemInfo, "sv_serverid" ) );
// don't set any vars when playing a demo
if ( clc.demoplaying ) {
return;
}
#ifdef USE_VOIP
#ifdef LEGACY_PROTOCOL
if(clc.compat)
clc.voipEnabled = qfalse;
else
#endif
{
s = Info_ValueForKey( systemInfo, "sv_voip" );
if ( Cvar_VariableValue( "g_gametype" ) == GT_SINGLE_PLAYER || Cvar_VariableValue("ui_singlePlayerActive"))
clc.voipEnabled = qfalse;
else
clc.voipEnabled = atoi(s);
}
#endif
s = Info_ValueForKey( systemInfo, "sv_cheats" );
cl_connectedToCheatServer = atoi( s );
if ( !cl_connectedToCheatServer ) {
Cvar_SetCheatState();
}
// check pure server string
s = Info_ValueForKey( systemInfo, "sv_paks" );
t = Info_ValueForKey( systemInfo, "sv_pakNames" );
FS_PureServerSetLoadedPaks( s, t );
s = Info_ValueForKey( systemInfo, "sv_referencedPaks" );
t = Info_ValueForKey( systemInfo, "sv_referencedPakNames" );
FS_PureServerSetReferencedPaks( s, t );
gameSet = qfalse;
// scan through all the variables in the systeminfo and locally set cvars to match
s = systemInfo;
while ( s ) {
int cvar_flags;
Info_NextPair( &s, key, value );
if ( !key[0] ) {
break;
}
// ehw!
if (!Q_stricmp(key, "fs_game"))
{
if(FS_CheckDirTraversal(value))
{
Com_Printf(S_COLOR_YELLOW "WARNING: Server sent invalid fs_game value %s\n", value);
continue;
}
gameSet = qtrue;
}
if((cvar_flags = Cvar_Flags(key)) == CVAR_NONEXISTENT)
Cvar_Get(key, value, CVAR_SERVER_CREATED | CVAR_ROM);
else
{
// If this cvar may not be modified by a server discard the value.
if(!(cvar_flags & (CVAR_SYSTEMINFO | CVAR_SERVER_CREATED | CVAR_USER_CREATED)))
{
#ifndef STANDALONE
if(Q_stricmp(key, "g_synchronousClients") && Q_stricmp(key, "pmove_fixed") &&
Q_stricmp(key, "pmove_msec"))
#endif
{
Com_Printf(S_COLOR_YELLOW "WARNING: server is not allowed to set %s=%s\n", key, value);
continue;
}
}
Cvar_SetSafe(key, value);
}
}
// if game folder should not be set and it is set at the client side
if ( !gameSet && *Cvar_VariableString("fs_game") ) {
Cvar_Set( "fs_game", "" );
}
cl_connectedToPureServer = Cvar_VariableValue( "sv_pure" );
}
/*
==================
CL_ParseServerInfo
==================
*/
static void CL_ParseServerInfo(void)
{
const char *serverInfo;
serverInfo = cl.gameState.stringData
+ cl.gameState.stringOffsets[ CS_SERVERINFO ];
clc.sv_allowDownload = atoi(Info_ValueForKey(serverInfo,
"sv_allowDownload"));
Q_strncpyz(clc.sv_dlURL,
Info_ValueForKey(serverInfo, "sv_dlURL"),
sizeof(clc.sv_dlURL));
}
/*
==================
CL_ParseGamestate
==================
*/
void CL_ParseGamestate( msg_t *msg ) {
int i;
entityState_t *es;
int newnum;
entityState_t nullstate;
int cmd;
char *s;
char oldGame[MAX_QPATH];
Con_Close();
clc.connectPacketCount = 0;
// wipe local client state
CL_ClearState();
// a gamestate always marks a server command sequence
clc.serverCommandSequence = MSG_ReadLong( msg );
// parse all the configstrings and baselines
cl.gameState.dataCount = 1; // leave a 0 at the beginning for uninitialized configstrings
while ( 1 ) {
cmd = MSG_ReadByte( msg );
if ( cmd == svc_EOF ) {
break;
}
if ( cmd == svc_configstring ) {
int len;
i = MSG_ReadShort( msg );
if ( i < 0 || i >= MAX_CONFIGSTRINGS ) {
Com_Error( ERR_DROP, "configstring > MAX_CONFIGSTRINGS" );
}
s = MSG_ReadBigString( msg );
len = strlen( s );
if ( len + 1 + cl.gameState.dataCount > MAX_GAMESTATE_CHARS ) {
Com_Error( ERR_DROP, "MAX_GAMESTATE_CHARS exceeded" );
}
// append it to the gameState string buffer
cl.gameState.stringOffsets[ i ] = cl.gameState.dataCount;
Com_Memcpy( cl.gameState.stringData + cl.gameState.dataCount, s, len + 1 );
cl.gameState.dataCount += len + 1;
} else if ( cmd == svc_baseline ) {
newnum = MSG_ReadBits( msg, GENTITYNUM_BITS );
if ( newnum < 0 || newnum >= MAX_GENTITIES ) {
Com_Error( ERR_DROP, "Baseline number out of range: %i", newnum );
}
Com_Memset (&nullstate, 0, sizeof(nullstate));
es = &cl.entityBaselines[ newnum ];
MSG_ReadDeltaEntity( msg, &nullstate, es, newnum );
} else {
Com_Error( ERR_DROP, "CL_ParseGamestate: bad command byte" );
}
}
clc.clientNum = MSG_ReadLong(msg);
// read the checksum feed
clc.checksumFeed = MSG_ReadLong( msg );
// save old gamedir
Cvar_VariableStringBuffer("fs_game", oldGame, sizeof(oldGame));
// parse useful values out of CS_SERVERINFO
CL_ParseServerInfo();
// parse serverId and other cvars
CL_SystemInfoChanged();
// stop recording now so the demo won't have an unnecessary level load at the end.
if(cl_autoRecordDemo->integer && clc.demorecording)
CL_StopRecord_f();
// reinitialize the filesystem if the game directory has changed
if(!cls.oldGameSet && (Cvar_Flags("fs_game") & CVAR_MODIFIED))
{
cls.oldGameSet = qtrue;
Q_strncpyz(cls.oldGame, oldGame, sizeof(cls.oldGame));
}
FS_ConditionalRestart(clc.checksumFeed, qfalse);
// This used to call CL_StartHunkUsers, but now we enter the download state before loading the
// cgame
CL_InitDownloads();
// make sure the game starts
Cvar_Set( "cl_paused", "0" );
}
//=====================================================================
/*
=====================
CL_ParseDownload
A download message has been received from the server
=====================
*/
void CL_ParseDownload ( msg_t *msg ) {
int size;
unsigned char data[MAX_MSGLEN];
uint16_t block;
if (!*clc.downloadTempName) {
Com_Printf("Server sending download, but no download was requested\n");
CL_AddReliableCommand("stopdl", qfalse);
return;
}
// read the data
block = MSG_ReadShort ( msg );
if(!block && !clc.downloadBlock)
{
// block zero is special, contains file size
clc.downloadSize = MSG_ReadLong ( msg );
Cvar_SetValue( "cl_downloadSize", clc.downloadSize );
if (clc.downloadSize < 0)
{
Com_Error( ERR_DROP, "%s", MSG_ReadString( msg ) );
return;
}
}
size = MSG_ReadShort ( msg );
if (size < 0 || size > sizeof(data))
{
Com_Error(ERR_DROP, "CL_ParseDownload: Invalid size %d for download chunk", size);
return;
}
MSG_ReadData(msg, data, size);
if((clc.downloadBlock & 0xFFFF) != block)
{
Com_DPrintf( "CL_ParseDownload: Expected block %d, got %d\n", (clc.downloadBlock & 0xFFFF), block);
return;
}
// open the file if not opened yet
if (!clc.download)
{
clc.download = FS_SV_FOpenFileWrite( clc.downloadTempName );
if (!clc.download) {
Com_Printf( "Could not create %s\n", clc.downloadTempName );
CL_AddReliableCommand("stopdl", qfalse);
CL_NextDownload();
return;
}
}
if (size)
FS_Write( data, size, clc.download );
CL_AddReliableCommand(va("nextdl %d", clc.downloadBlock), qfalse);
clc.downloadBlock++;
clc.downloadCount += size;
// So UI gets access to it
Cvar_SetValue( "cl_downloadCount", clc.downloadCount );
if (!size) { // A zero length block means EOF
if (clc.download) {
FS_FCloseFile( clc.download );
clc.download = 0;
// rename the file
FS_SV_Rename ( clc.downloadTempName, clc.downloadName );
}
// send intentions now
// We need this because without it, we would hold the last nextdl and then start
// loading right away. If we take a while to load, the server is happily trying
// to send us that last block over and over.
// Write it twice to help make sure we acknowledge the download
CL_WritePacket();
CL_WritePacket();
// get another file if needed
CL_NextDownload ();
}
}
#ifdef USE_VOIP
static
qboolean CL_ShouldIgnoreVoipSender(int sender)
{
if (!cl_voip->integer)
return qtrue; // VoIP is disabled.
else if ((sender == clc.clientNum) && (!clc.demoplaying))
return qtrue; // ignore own voice (unless playing back a demo).
else if (clc.voipMuteAll)
return qtrue; // all channels are muted with extreme prejudice.
else if (clc.voipIgnore[sender])
return qtrue; // just ignoring this guy.
else if (clc.voipGain[sender] == 0.0f)
return qtrue; // too quiet to play.
return qfalse;
}
/*
=====================
CL_PlayVoip
Play raw data
=====================
*/
static void CL_PlayVoip(int sender, int samplecnt, const byte *data, int flags)
{
if(flags & VOIP_DIRECT)
{
S_RawSamples(sender + 1, samplecnt, clc.speexSampleRate, 2, 1,
data, clc.voipGain[sender], -1);
}
if(flags & VOIP_SPATIAL)
{
S_RawSamples(sender + MAX_CLIENTS + 1, samplecnt, clc.speexSampleRate, 2, 1,
data, 1.0f, sender);
}
}
/*
=====================
CL_ParseVoip
A VoIP message has been received from the server
=====================
*/
static
void CL_ParseVoip ( msg_t *msg ) {
static short decoded[4096]; // !!! FIXME: don't hardcode.
const int sender = MSG_ReadShort(msg);
const int generation = MSG_ReadByte(msg);
const int sequence = MSG_ReadLong(msg);
const int frames = MSG_ReadByte(msg);
const int packetsize = MSG_ReadShort(msg);
const int flags = MSG_ReadBits(msg, VOIP_FLAGCNT);
char encoded[1024];
int seqdiff = sequence - clc.voipIncomingSequence[sender];
int written = 0;
int i;
Com_DPrintf("VoIP: %d-byte packet from client %d\n", packetsize, sender);
if (sender < 0)
return; // short/invalid packet, bail.
else if (generation < 0)
return; // short/invalid packet, bail.
else if (sequence < 0)
return; // short/invalid packet, bail.
else if (frames < 0)
return; // short/invalid packet, bail.
else if (packetsize < 0)
return; // short/invalid packet, bail.
if (packetsize > sizeof (encoded)) { // overlarge packet?
int bytesleft = packetsize;
while (bytesleft) {
int br = bytesleft;
if (br > sizeof (encoded))
br = sizeof (encoded);
MSG_ReadData(msg, encoded, br);
bytesleft -= br;
}
return; // overlarge packet, bail.
}
if (!clc.speexInitialized) {
MSG_ReadData(msg, encoded, packetsize); // skip payload.
return; // can't handle VoIP without libspeex!
} else if (sender >= MAX_CLIENTS) {
MSG_ReadData(msg, encoded, packetsize); // skip payload.
return; // bogus sender.
} else if (CL_ShouldIgnoreVoipSender(sender)) {
MSG_ReadData(msg, encoded, packetsize); // skip payload.
return; // Channel is muted, bail.
}
// !!! FIXME: make sure data is narrowband? Does decoder handle this?
Com_DPrintf("VoIP: packet accepted!\n");
// This is a new "generation" ... a new recording started, reset the bits.
if (generation != clc.voipIncomingGeneration[sender]) {
Com_DPrintf("VoIP: new generation %d!\n", generation);
speex_bits_reset(&clc.speexDecoderBits[sender]);
clc.voipIncomingGeneration[sender] = generation;
seqdiff = 0;
} else if (seqdiff < 0) { // we're ahead of the sequence?!
// This shouldn't happen unless the packet is corrupted or something.
Com_DPrintf("VoIP: misordered sequence! %d < %d!\n",
sequence, clc.voipIncomingSequence[sender]);
// reset the bits just in case.
speex_bits_reset(&clc.speexDecoderBits[sender]);
seqdiff = 0;
} else if (seqdiff > 100) { // more than 2 seconds of audio dropped?
// just start over.
Com_DPrintf("VoIP: Dropped way too many (%d) frames from client #%d\n",
seqdiff, sender);
speex_bits_reset(&clc.speexDecoderBits[sender]);
seqdiff = 0;
}
if (seqdiff != 0) {
Com_DPrintf("VoIP: Dropped %d frames from client #%d\n",
seqdiff, sender);
// tell speex that we're missing frames...
for (i = 0; i < seqdiff; i++) {
assert((written + clc.speexFrameSize) * 2 < sizeof (decoded));
speex_decode_int(clc.speexDecoder[sender], NULL, decoded + written);
written += clc.speexFrameSize;
}
}
for (i = 0; i < frames; i++) {
char encoded[256];
const int len = MSG_ReadByte(msg);
if (len < 0) {
Com_DPrintf("VoIP: Short packet!\n");
break;
}
MSG_ReadData(msg, encoded, len);
// shouldn't happen, but just in case...
if ((written + clc.speexFrameSize) * 2 > sizeof (decoded)) {
Com_DPrintf("VoIP: playback %d bytes, %d samples, %d frames\n",
written * 2, written, i);
CL_PlayVoip(sender, written, (const byte *) decoded, flags);
written = 0;
}
speex_bits_read_from(&clc.speexDecoderBits[sender], encoded, len);
speex_decode_int(clc.speexDecoder[sender],
&clc.speexDecoderBits[sender], decoded + written);
#if 0
static FILE *encio = NULL;
if (encio == NULL) encio = fopen("voip-incoming-encoded.bin", "wb");
if (encio != NULL) { fwrite(encoded, len, 1, encio); fflush(encio); }
static FILE *decio = NULL;
if (decio == NULL) decio = fopen("voip-incoming-decoded.bin", "wb");
if (decio != NULL) { fwrite(decoded+written, clc.speexFrameSize*2, 1, decio); fflush(decio); }
#endif
written += clc.speexFrameSize;
}
Com_DPrintf("VoIP: playback %d bytes, %d samples, %d frames\n",
written * 2, written, i);
if(written > 0)
CL_PlayVoip(sender, written, (const byte *) decoded, flags);
clc.voipIncomingSequence[sender] = sequence + frames;
}
#endif
/*
=====================
CL_ParseCommandString
Command strings are just saved off until cgame asks for them
when it transitions a snapshot
=====================
*/
void CL_ParseCommandString( msg_t *msg ) {
char *s;
int seq;
int index;
seq = MSG_ReadLong( msg );
s = MSG_ReadString( msg );
// see if we have already executed stored it off
if ( clc.serverCommandSequence >= seq ) {
return;
}
clc.serverCommandSequence = seq;
index = seq & (MAX_RELIABLE_COMMANDS-1);
Q_strncpyz( clc.serverCommands[ index ], s, sizeof( clc.serverCommands[ index ] ) );
}
/*
=====================
CL_ParseServerMessage
=====================
*/
void CL_ParseServerMessage( msg_t *msg ) {
int cmd;
if ( cl_shownet->integer == 1 ) {
Com_Printf ("%i ",msg->cursize);
} else if ( cl_shownet->integer >= 2 ) {
Com_Printf ("------------------\n");
}
MSG_Bitstream(msg);
// get the reliable sequence acknowledge number
clc.reliableAcknowledge = MSG_ReadLong( msg );
//
if ( clc.reliableAcknowledge < clc.reliableSequence - MAX_RELIABLE_COMMANDS ) {
clc.reliableAcknowledge = clc.reliableSequence;
}
//
// parse the message
//
while ( 1 ) {
if ( msg->readcount > msg->cursize ) {
Com_Error (ERR_DROP,"CL_ParseServerMessage: read past end of server message");
break;
}
cmd = MSG_ReadByte( msg );
if (cmd == svc_EOF) {
SHOWNET( msg, "END OF MESSAGE" );
break;
}
if ( cl_shownet->integer >= 2 ) {
if ( (cmd < 0) || (!svc_strings[cmd]) ) {
Com_Printf( "%3i:BAD CMD %i\n", msg->readcount-1, cmd );
} else {
SHOWNET( msg, svc_strings[cmd] );
}
}
// other commands
switch ( cmd ) {
default:
Com_Error (ERR_DROP,"CL_ParseServerMessage: Illegible server message");
break;
case svc_nop:
break;
case svc_serverCommand:
CL_ParseCommandString( msg );
break;
case svc_gamestate:
CL_ParseGamestate( msg );
break;
case svc_snapshot:
CL_ParseSnapshot( msg );
break;
case svc_download:
CL_ParseDownload( msg );
break;
case svc_voip:
#ifdef USE_VOIP
CL_ParseVoip( msg );
#endif
break;
}
}
}
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