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cl_main.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_main.c -- client main loop
#include "client.h"
#include <limits.h>
#include "../sys/sys_local.h"
#include "../sys/sys_loadlib.h"
#if EMSCRIPTEN
#include "../ui/ui_shared.h"
#endif
#ifdef USE_MUMBLE
#include "libmumblelink.h"
#endif
#ifdef USE_MUMBLE
cvar_t *cl_useMumble;
cvar_t *cl_mumbleScale;
#endif
#ifdef USE_VOIP
cvar_t *cl_voipUseVAD;
cvar_t *cl_voipVADThreshold;
cvar_t *cl_voipSend;
cvar_t *cl_voipSendTarget;
cvar_t *cl_voipGainDuringCapture;
cvar_t *cl_voipCaptureMult;
cvar_t *cl_voipShowMeter;
cvar_t *cl_voip;
#endif
#ifdef USE_RENDERER_DLOPEN
cvar_t *cl_renderer;
#endif
cvar_t *cl_nodelta;
cvar_t *cl_debugMove;
cvar_t *cl_noprint;
#ifdef UPDATE_SERVER_NAME
cvar_t *cl_motd;
#endif
cvar_t *rcon_client_password;
cvar_t *rconAddress;
cvar_t *cl_timeout;
cvar_t *cl_maxpackets;
cvar_t *cl_packetdup;
cvar_t *cl_timeNudge;
cvar_t *cl_showTimeDelta;
cvar_t *cl_freezeDemo;
cvar_t *cl_shownet;
cvar_t *cl_showSend;
cvar_t *cl_timedemo;
cvar_t *cl_timedemoLog;
cvar_t *cl_autoRecordDemo;
cvar_t *cl_aviFrameRate;
cvar_t *cl_aviMotionJpeg;
cvar_t *cl_forceavidemo;
cvar_t *cl_freelook;
cvar_t *cl_sensitivity;
cvar_t *cl_mouseAccel;
cvar_t *cl_mouseAccelOffset;
cvar_t *cl_mouseAccelStyle;
cvar_t *cl_showMouseRate;
cvar_t *m_pitch;
cvar_t *m_yaw;
cvar_t *m_forward;
cvar_t *m_side;
cvar_t *m_filter;
cvar_t *j_pitch;
cvar_t *j_yaw;
cvar_t *j_forward;
cvar_t *j_side;
cvar_t *j_up;
cvar_t *j_pitch_axis;
cvar_t *j_yaw_axis;
cvar_t *j_forward_axis;
cvar_t *j_side_axis;
cvar_t *j_up_axis;
cvar_t *cl_activeAction;
cvar_t *cl_motdString;
cvar_t *cl_allowDownload;
cvar_t *cl_conXOffset;
cvar_t *cl_inGameVideo;
cvar_t *cl_serverStatusResendTime;
cvar_t *cl_lanForcePackets;
cvar_t *cl_guidServerUniq;
cvar_t *cl_consoleKeys;
cvar_t *cl_rate;
clientActive_t cl;
clientConnection_t clc;
clientStatic_t cls;
vm_t *cgvm;
char cl_reconnectArgs[MAX_OSPATH];
// char cl_oldGame[MAX_QPATH];
// qboolean cl_oldGameSet;
// Structure containing functions exported from refresh DLL
refexport_t re;
#ifdef USE_RENDERER_DLOPEN
static void *rendererLib = NULL;
#endif
ping_t cl_pinglist[MAX_PINGREQUESTS];
typedef struct serverStatus_s
{
char string[BIG_INFO_STRING];
netadr_t address;
int time, startTime;
qboolean pending;
qboolean print;
qboolean retrieved;
} serverStatus_t;
serverStatus_t cl_serverStatusList[MAX_SERVERSTATUSREQUESTS];
int serverStatusCount;
#if defined __USEA3D && defined __A3D_GEOM
void hA3Dg_ExportRenderGeom (refexport_t *incoming_re);
#endif
static int noGameRestart = qfalse;
extern void SV_BotFrame( int time );
void CL_CheckForResend( void );
void CL_ShowIP_f(void);
void CL_ServerStatus_f(void);
void CL_ServerStatusResponse( netadr_t from, msg_t *msg );
/*
===============
CL_CDDialog
Called by Com_Error when a cd is needed
===============
*/
void CL_CDDialog( void ) {
cls.cddialog = qtrue; // start it next frame
}
#ifdef USE_MUMBLE
static
void CL_UpdateMumble(void)
{
vec3_t pos, forward, up;
float scale = cl_mumbleScale->value;
float tmp;
if(!cl_useMumble->integer)
return;
// !!! FIXME: not sure if this is even close to correct.
AngleVectors( cl.snap.ps.viewangles, forward, NULL, up);
pos[0] = cl.snap.ps.origin[0] * scale;
pos[1] = cl.snap.ps.origin[2] * scale;
pos[2] = cl.snap.ps.origin[1] * scale;
tmp = forward[1];
forward[1] = forward[2];
forward[2] = tmp;
tmp = up[1];
up[1] = up[2];
up[2] = tmp;
if(cl_useMumble->integer > 1) {
fprintf(stderr, "%f %f %f, %f %f %f, %f %f %f\n",
pos[0], pos[1], pos[2],
forward[0], forward[1], forward[2],
up[0], up[1], up[2]);
}
mumble_update_coordinates(pos, forward, up);
}
#endif
#ifdef USE_VOIP
static
void CL_UpdateVoipIgnore(const char *idstr, qboolean ignore)
{
if ((*idstr >= '0') && (*idstr <= '9')) {
const int id = atoi(idstr);
if ((id >= 0) && (id < MAX_CLIENTS)) {
clc.voipIgnore[id] = ignore;
CL_AddReliableCommand(va("voip %s %d",
ignore ? "ignore" : "unignore", id), qfalse);
Com_Printf("VoIP: %s ignoring player #%d\n",
ignore ? "Now" : "No longer", id);
return;
}
}
Com_Printf("VoIP: invalid player ID#\n");
}
static
void CL_UpdateVoipGain(const char *idstr, float gain)
{
if ((*idstr >= '0') && (*idstr <= '9')) {
const int id = atoi(idstr);
if (gain < 0.0f)
gain = 0.0f;
if ((id >= 0) && (id < MAX_CLIENTS)) {
clc.voipGain[id] = gain;
Com_Printf("VoIP: player #%d gain now set to %f\n", id, gain);
}
}
}
void CL_Voip_f( void )
{
const char *cmd = Cmd_Argv(1);
const char *reason = NULL;
if (clc.state != CA_ACTIVE)
reason = "Not connected to a server";
else if (!clc.speexInitialized)
reason = "Speex not initialized";
else if (!clc.voipEnabled)
reason = "Server doesn't support VoIP";
else if (!clc.demoplaying && (Cvar_VariableValue( "g_gametype" ) == GT_SINGLE_PLAYER || Cvar_VariableValue("ui_singlePlayerActive")))
reason = "running in single-player mode";
if (reason != NULL) {
Com_Printf("VoIP: command ignored: %s\n", reason);
return;
}
if (strcmp(cmd, "ignore") == 0) {
CL_UpdateVoipIgnore(Cmd_Argv(2), qtrue);
} else if (strcmp(cmd, "unignore") == 0) {
CL_UpdateVoipIgnore(Cmd_Argv(2), qfalse);
} else if (strcmp(cmd, "gain") == 0) {
if (Cmd_Argc() > 3) {
CL_UpdateVoipGain(Cmd_Argv(2), atof(Cmd_Argv(3)));
} else if (Q_isanumber(Cmd_Argv(2))) {
int id = atoi(Cmd_Argv(2));
if (id >= 0 && id < MAX_CLIENTS) {
Com_Printf("VoIP: current gain for player #%d "
"is %f\n", id, clc.voipGain[id]);
} else {
Com_Printf("VoIP: invalid player ID#\n");
}
} else {
Com_Printf("usage: voip gain <playerID#> [value]\n");
}
} else if (strcmp(cmd, "muteall") == 0) {
Com_Printf("VoIP: muting incoming voice\n");
CL_AddReliableCommand("voip muteall", qfalse);
clc.voipMuteAll = qtrue;
} else if (strcmp(cmd, "unmuteall") == 0) {
Com_Printf("VoIP: unmuting incoming voice\n");
CL_AddReliableCommand("voip unmuteall", qfalse);
clc.voipMuteAll = qfalse;
} else {
Com_Printf("usage: voip [un]ignore <playerID#>\n"
" voip [un]muteall\n"
" voip gain <playerID#> [value]\n");
}
}
static
void CL_VoipNewGeneration(void)
{
// don't have a zero generation so new clients won't match, and don't
// wrap to negative so MSG_ReadLong() doesn't "fail."
clc.voipOutgoingGeneration++;
if (clc.voipOutgoingGeneration <= 0)
clc.voipOutgoingGeneration = 1;
clc.voipPower = 0.0f;
clc.voipOutgoingSequence = 0;
}
/*
===============
CL_VoipParseTargets
sets clc.voipTargets according to cl_voipSendTarget
Generally we don't want who's listening to change during a transmission,
so this is only called when the key is first pressed
===============
*/
void CL_VoipParseTargets(void)
{
const char *target = cl_voipSendTarget->string;
char *end;
int val;
Com_Memset(clc.voipTargets, 0, sizeof(clc.voipTargets));
clc.voipFlags &= ~VOIP_SPATIAL;
while(target)
{
while(*target == ',' || *target == ' ')
target++;
if(!*target)
break;
if(isdigit(*target))
{
val = strtol(target, &end, 10);
target = end;
}
else
{
if(!Q_stricmpn(target, "all", 3))
{
Com_Memset(clc.voipTargets, ~0, sizeof(clc.voipTargets));
return;
}
if(!Q_stricmpn(target, "spatial", 7))
{
clc.voipFlags |= VOIP_SPATIAL;
target += 7;
continue;
}
else
{
if(!Q_stricmpn(target, "attacker", 8))
{
val = VM_Call(cgvm, CG_LAST_ATTACKER);
target += 8;
}
else if(!Q_stricmpn(target, "crosshair", 9))
{
val = VM_Call(cgvm, CG_CROSSHAIR_PLAYER);
target += 9;
}
else
{
while(*target && *target != ',' && *target != ' ')
target++;
continue;
}
if(val < 0)
continue;
}
}
if(val < 0 || val >= MAX_CLIENTS)
{
Com_Printf(S_COLOR_YELLOW "WARNING: VoIP "
"target %d is not a valid client "
"number\n", val);
continue;
}
clc.voipTargets[val / 8] |= 1 << (val % 8);
}
}
/*
===============
CL_CaptureVoip
Record more audio from the hardware if required and encode it into Speex
data for later transmission.
===============
*/
static
void CL_CaptureVoip(void)
{
const float audioMult = cl_voipCaptureMult->value;
const qboolean useVad = (cl_voipUseVAD->integer != 0);
qboolean initialFrame = qfalse;
qboolean finalFrame = qfalse;
#if USE_MUMBLE
// if we're using Mumble, don't try to handle VoIP transmission ourselves.
if (cl_useMumble->integer)
return;
#endif
// If your data rate is too low, you'll get Connection Interrupted warnings
// when VoIP packets arrive, even if you have a broadband connection.
// This might work on rates lower than 25000, but for safety's sake, we'll
// just demand it. Who doesn't have at least a DSL line now, anyhow? If
// you don't, you don't need VoIP. :)
if (cl_voip->modified || cl_rate->modified) {
if ((cl_voip->integer) && (cl_rate->integer < 25000)) {
Com_Printf(S_COLOR_YELLOW "Your network rate is too slow for VoIP.\n");
Com_Printf("Set 'Data Rate' to 'LAN/Cable/xDSL' in 'Setup/System/Network'.\n");
Com_Printf("Until then, VoIP is disabled.\n");
Cvar_Set("cl_voip", "0");
}
cl_voip->modified = qfalse;
cl_rate->modified = qfalse;
}
if (!clc.speexInitialized)
return; // just in case this gets called at a bad time.
if (clc.voipOutgoingDataSize > 0)
return; // packet is pending transmission, don't record more yet.
if (cl_voipUseVAD->modified) {
Cvar_Set("cl_voipSend", (useVad) ? "1" : "0");
cl_voipUseVAD->modified = qfalse;
}
if ((useVad) && (!cl_voipSend->integer))
Cvar_Set("cl_voipSend", "1"); // lots of things reset this.
if (cl_voipSend->modified) {
qboolean dontCapture = qfalse;
if (clc.state != CA_ACTIVE)
dontCapture = qtrue; // not connected to a server.
else if (!clc.voipEnabled)
dontCapture = qtrue; // server doesn't support VoIP.
else if (clc.demoplaying)
dontCapture = qtrue; // playing back a demo.
else if ( cl_voip->integer == 0 )
dontCapture = qtrue; // client has VoIP support disabled.
else if ( audioMult == 0.0f )
dontCapture = qtrue; // basically silenced incoming audio.
cl_voipSend->modified = qfalse;
if(dontCapture)
{
Cvar_Set("cl_voipSend", "0");
return;
}
if (cl_voipSend->integer) {
initialFrame = qtrue;
} else {
finalFrame = qtrue;
}
}
// try to get more audio data from the sound card...
if (initialFrame) {
S_MasterGain(Com_Clamp(0.0f, 1.0f, cl_voipGainDuringCapture->value));
S_StartCapture();
CL_VoipNewGeneration();
CL_VoipParseTargets();
}
if ((cl_voipSend->integer) || (finalFrame)) { // user wants to capture audio?
int samples = S_AvailableCaptureSamples();
const int mult = (finalFrame) ? 1 : 4; // 4 == 80ms of audio.
// enough data buffered in audio hardware to process yet?
if (samples >= (clc.speexFrameSize * mult)) {
// audio capture is always MONO16 (and that's what speex wants!).
// 2048 will cover 12 uncompressed frames in narrowband mode.
static int16_t sampbuffer[2048];
float voipPower = 0.0f;
int speexFrames = 0;
int wpos = 0;
int pos = 0;
if (samples > (clc.speexFrameSize * 4))
samples = (clc.speexFrameSize * 4);
// !!! FIXME: maybe separate recording from encoding, so voipPower
// !!! FIXME: updates faster than 4Hz?
samples -= samples % clc.speexFrameSize;
S_Capture(samples, (byte *) sampbuffer); // grab from audio card.
// this will probably generate multiple speex packets each time.
while (samples > 0) {
int16_t *sampptr = &sampbuffer[pos];
int i, bytes;
// preprocess samples to remove noise...
speex_preprocess_run(clc.speexPreprocessor, sampptr);
// check the "power" of this packet...
for (i = 0; i < clc.speexFrameSize; i++) {
const float flsamp = (float) sampptr[i];
const float s = fabs(flsamp);
voipPower += s * s;
sampptr[i] = (int16_t) ((flsamp) * audioMult);
}
// encode raw audio samples into Speex data...
speex_bits_reset(&clc.speexEncoderBits);
speex_encode_int(clc.speexEncoder, sampptr,
&clc.speexEncoderBits);
bytes = speex_bits_write(&clc.speexEncoderBits,
(char *) &clc.voipOutgoingData[wpos+1],
sizeof (clc.voipOutgoingData) - (wpos+1));
assert((bytes > 0) && (bytes < 256));
clc.voipOutgoingData[wpos] = (byte) bytes;
wpos += bytes + 1;
// look at the data for the next packet...
pos += clc.speexFrameSize;
samples -= clc.speexFrameSize;
speexFrames++;
}
clc.voipPower = (voipPower / (32768.0f * 32768.0f *
((float) (clc.speexFrameSize * speexFrames)))) *
100.0f;
if ((useVad) && (clc.voipPower < cl_voipVADThreshold->value)) {
CL_VoipNewGeneration(); // no "talk" for at least 1/4 second.
} else {
clc.voipOutgoingDataSize = wpos;
clc.voipOutgoingDataFrames = speexFrames;
Com_DPrintf("VoIP: Send %d frames, %d bytes, %f power\n",
speexFrames, wpos, clc.voipPower);
#if 0
static FILE *encio = NULL;
if (encio == NULL) encio = fopen("voip-outgoing-encoded.bin", "wb");
if (encio != NULL) { fwrite(clc.voipOutgoingData, wpos, 1, encio); fflush(encio); }
static FILE *decio = NULL;
if (decio == NULL) decio = fopen("voip-outgoing-decoded.bin", "wb");
if (decio != NULL) { fwrite(sampbuffer, speexFrames * clc.speexFrameSize * 2, 1, decio); fflush(decio); }
#endif
}
}
}
// User requested we stop recording, and we've now processed the last of
// any previously-buffered data. Pause the capture device, etc.
if (finalFrame) {
S_StopCapture();
S_MasterGain(1.0f);
clc.voipPower = 0.0f; // force this value so it doesn't linger.
}
}
#endif
/*
=======================================================================
CLIENT RELIABLE COMMAND COMMUNICATION
=======================================================================
*/
/*
======================
CL_AddReliableCommand
The given command will be transmitted to the server, and is gauranteed to
not have future usercmd_t executed before it is executed
======================
*/
void CL_AddReliableCommand(const char *cmd, qboolean isDisconnectCmd)
{
int unacknowledged = clc.reliableSequence - clc.reliableAcknowledge;
// if we would be losing an old command that hasn't been acknowledged,
// we must drop the connection
// also leave one slot open for the disconnect command in this case.
if ((isDisconnectCmd && unacknowledged > MAX_RELIABLE_COMMANDS) ||
(!isDisconnectCmd && unacknowledged >= MAX_RELIABLE_COMMANDS))
{
if(com_errorEntered)
return;
else
Com_Error(ERR_DROP, "Client command overflow");
}
Q_strncpyz(clc.reliableCommands[++clc.reliableSequence & (MAX_RELIABLE_COMMANDS - 1)],
cmd, sizeof(*clc.reliableCommands));
}
/*
=======================================================================
CLIENT SIDE DEMO RECORDING
=======================================================================
*/
/*
====================
CL_WriteDemoMessage
Dumps the current net message, prefixed by the length
====================
*/
void CL_WriteDemoMessage ( msg_t *msg, int headerBytes ) {
int len, swlen;
// write the packet sequence
len = clc.serverMessageSequence;
swlen = LittleLong( len );
FS_Write (&swlen, 4, clc.demofile);
// skip the packet sequencing information
len = msg->cursize - headerBytes;
swlen = LittleLong(len);
FS_Write (&swlen, 4, clc.demofile);
FS_Write ( msg->data + headerBytes, len, clc.demofile );
}
/*
====================
CL_StopRecording_f
stop recording a demo
====================
*/
void CL_StopRecord_f( void ) {
int len;
if ( !clc.demorecording ) {
Com_Printf ("Not recording a demo.\n");
return;
}
// finish up
len = -1;
FS_Write (&len, 4, clc.demofile);
FS_Write (&len, 4, clc.demofile);
FS_FCloseFile (clc.demofile);
clc.demofile = 0;
clc.demorecording = qfalse;
clc.spDemoRecording = qfalse;
Com_Printf ("Stopped demo.\n");
}
/*
==================
CL_DemoFilename
==================
*/
void CL_DemoFilename( int number, char *fileName, int fileNameSize ) {
int a,b,c,d;
if(number < 0 || number > 9999)
number = 9999;
a = number / 1000;
number -= a*1000;
b = number / 100;
number -= b*100;
c = number / 10;
number -= c*10;
d = number;
Com_sprintf( fileName, fileNameSize, "demo%i%i%i%i"
, a, b, c, d );
}
/*
====================
CL_Record_f
record <demoname>
Begins recording a demo from the current position
====================
*/
static char demoName[MAX_QPATH]; // compiler bug workaround
void CL_Record_f( void ) {
char name[MAX_OSPATH];
byte bufData[MAX_MSGLEN];
msg_t buf;
int i;
int len;
entityState_t *ent;
entityState_t nullstate;
char *s;
if ( Cmd_Argc() > 2 ) {
Com_Printf ("record <demoname>\n");
return;
}
if ( clc.demorecording ) {
if (!clc.spDemoRecording) {
Com_Printf ("Already recording.\n");
}
return;
}
if ( clc.state != CA_ACTIVE ) {
Com_Printf ("You must be in a level to record.\n");
return;
}
// sync 0 doesn't prevent recording, so not forcing it off .. everyone does g_sync 1 ; record ; g_sync 0 ..
if ( NET_IsLocalAddress( clc.serverAddress ) && !Cvar_VariableValue( "g_synchronousClients" ) ) {
Com_Printf (S_COLOR_YELLOW "WARNING: You should set 'g_synchronousClients 1' for smoother demo recording\n");
}
if ( Cmd_Argc() == 2 ) {
s = Cmd_Argv(1);
Q_strncpyz( demoName, s, sizeof( demoName ) );
#ifdef LEGACY_PROTOCOL
if(clc.compat)
Com_sprintf(name, sizeof(name), "demos/%s.%s%d", demoName, DEMOEXT, com_legacyprotocol->integer);
else
#endif
Com_sprintf(name, sizeof(name), "demos/%s.%s%d", demoName, DEMOEXT, com_protocol->integer);
} else {
int number;
// scan for a free demo name
for ( number = 0 ; number <= 9999 ; number++ ) {
CL_DemoFilename( number, demoName, sizeof( demoName ) );
#ifdef LEGACY_PROTOCOL
if(clc.compat)
Com_sprintf(name, sizeof(name), "demos/%s.%s%d", demoName, DEMOEXT, com_legacyprotocol->integer);
else
#endif
Com_sprintf(name, sizeof(name), "demos/%s.%s%d", demoName, DEMOEXT, com_protocol->integer);
if (!FS_FileExists(name))
break; // file doesn't exist
}
}
// open the demo file
Com_Printf ("recording to %s.\n", name);
clc.demofile = FS_FOpenFileWrite( name );
if ( !clc.demofile ) {
Com_Printf ("ERROR: couldn't open.\n");
return;
}
clc.demorecording = qtrue;
if (Cvar_VariableValue("ui_recordSPDemo")) {
clc.spDemoRecording = qtrue;
} else {
clc.spDemoRecording = qfalse;
}
Q_strncpyz( clc.demoName, demoName, sizeof( clc.demoName ) );
// don't start saving messages until a non-delta compressed message is received
clc.demowaiting = qtrue;
// write out the gamestate message
MSG_Init (&buf, bufData, sizeof(bufData));
MSG_Bitstream(&buf);
// NOTE, MRE: all server->client messages now acknowledge
MSG_WriteLong( &buf, clc.reliableSequence );
MSG_WriteByte (&buf, svc_gamestate);
MSG_WriteLong (&buf, clc.serverCommandSequence );
// configstrings
for ( i = 0 ; i < MAX_CONFIGSTRINGS ; i++ ) {
if ( !cl.gameState.stringOffsets[i] ) {
continue;
}
s = cl.gameState.stringData + cl.gameState.stringOffsets[i];
MSG_WriteByte (&buf, svc_configstring);
MSG_WriteShort (&buf, i);
MSG_WriteBigString (&buf, s);
}
// baselines
Com_Memset (&nullstate, 0, sizeof(nullstate));
for ( i = 0; i < MAX_GENTITIES ; i++ ) {
ent = &cl.entityBaselines[i];
if ( !ent->number ) {
continue;
}
MSG_WriteByte (&buf, svc_baseline);
MSG_WriteDeltaEntity (&buf, &nullstate, ent, qtrue );
}
MSG_WriteByte( &buf, svc_EOF );
// finished writing the gamestate stuff
// write the client num
MSG_WriteLong(&buf, clc.clientNum);
// write the checksum feed
MSG_WriteLong(&buf, clc.checksumFeed);
// finished writing the client packet
MSG_WriteByte( &buf, svc_EOF );
// write it to the demo file
len = LittleLong( clc.serverMessageSequence - 1 );
FS_Write (&len, 4, clc.demofile);
len = LittleLong (buf.cursize);
FS_Write (&len, 4, clc.demofile);
FS_Write (buf.data, buf.cursize, clc.demofile);
// the rest of the demo file will be copied from net messages
}
/*
=======================================================================
CLIENT SIDE DEMO PLAYBACK
=======================================================================
*/
/*
=================
CL_DemoFrameDurationSDev
=================
*/
static float CL_DemoFrameDurationSDev( void )
{
int i;
int numFrames;
float mean = 0.0f;
float variance = 0.0f;
if( ( clc.timeDemoFrames - 1 ) > MAX_TIMEDEMO_DURATIONS )
numFrames = MAX_TIMEDEMO_DURATIONS;
else
numFrames = clc.timeDemoFrames - 1;
for( i = 0; i < numFrames; i++ )
mean += clc.timeDemoDurations[ i ];
mean /= numFrames;
for( i = 0; i < numFrames; i++ )
{
float x = clc.timeDemoDurations[ i ];
variance += ( ( x - mean ) * ( x - mean ) );
}
variance /= numFrames;
return sqrt( variance );
}
/*
=================
CL_DemoCompleted
=================
*/
void CL_DemoCompleted( void )
{
char buffer[ MAX_STRING_CHARS ];
if( cl_timedemo && cl_timedemo->integer )
{
int time;
time = Sys_Milliseconds() - clc.timeDemoStart;
if( time > 0 )
{
// Millisecond times are frame durations:
// minimum/average/maximum/std deviation
Com_sprintf( buffer, sizeof( buffer ),
"%i frames %3.1f seconds %3.1f fps %d.0/%.1f/%d.0/%.1f ms\n",
clc.timeDemoFrames,
time/1000.0,
clc.timeDemoFrames*1000.0 / time,
clc.timeDemoMinDuration,
time / (float)clc.timeDemoFrames,
clc.timeDemoMaxDuration,
CL_DemoFrameDurationSDev( ) );
Com_Printf( "%s", buffer );
// Write a log of all the frame durations
if( cl_timedemoLog && strlen( cl_timedemoLog->string ) > 0 )
{
int i;
int numFrames;
fileHandle_t f;
if( ( clc.timeDemoFrames - 1 ) > MAX_TIMEDEMO_DURATIONS )
numFrames = MAX_TIMEDEMO_DURATIONS;
else
numFrames = clc.timeDemoFrames - 1;
f = FS_FOpenFileWrite( cl_timedemoLog->string );
if( f )
{
FS_Printf( f, "# %s", buffer );
for( i = 0; i < numFrames; i++ )
FS_Printf( f, "%d\n", clc.timeDemoDurations[ i ] );
FS_FCloseFile( f );
Com_Printf( "%s written\n", cl_timedemoLog->string );
}
else
{
Com_Printf( "Couldn't open %s for writing\n",
cl_timedemoLog->string );
}
}
}
}
CL_Disconnect( qtrue );
CL_NextDemo();
}
/*
=================
CL_ReadDemoMessage
=================
*/
void CL_ReadDemoMessage( void ) {
int r;
msg_t buf;
byte bufData[ MAX_MSGLEN ];
int s;
if ( !clc.demofile ) {
CL_DemoCompleted ();
return;
}
// get the sequence number
r = FS_Read( &s, 4, clc.demofile);
if ( r != 4 ) {
CL_DemoCompleted ();
return;
}
clc.serverMessageSequence = LittleLong( s );
// init the message
MSG_Init( &buf, bufData, sizeof( bufData ) );
// get the length
r = FS_Read (&buf.cursize, 4, clc.demofile);
if ( r != 4 ) {
CL_DemoCompleted ();
return;
}
buf.cursize = LittleLong( buf.cursize );
if ( buf.cursize == -1 ) {
CL_DemoCompleted ();
return;
}
if ( buf.cursize > buf.maxsize ) {
Com_Error (ERR_DROP, "CL_ReadDemoMessage: demoMsglen > MAX_MSGLEN");
}
r = FS_Read( buf.data, buf.cursize, clc.demofile );
if ( r != buf.cursize ) {
Com_Printf( "Demo file was truncated.\n");
CL_DemoCompleted ();
return;
}
clc.lastPacketTime = cls.realtime;
buf.readcount = 0;
CL_ParseServerMessage( &buf );
}
/*
====================
CL_WalkDemoExt
====================