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ioef/code/qcommon/msg.c
Ryan C. Gordon 8ab3f7af8d Changed the protocol for VoIP packets to support legacy clients. 
Previously, a legacy client wouldn't get a VoIP packet, but if they did,
 they'd panic and disconnect. Now they ignore them and continue on. This also
 gives us the framework to add other features legacy clients can ignore.

Oh, this also has the benefit of allowing us to store incoming VoIP for
 playback in recorded demos. They'll play the chatter on VoIP clients, and
 be ignored on legacy ones. Huge win.
2008-06-03 02:32:52 +00:00

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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
===========================================================================
*/
#include "q_shared.h"
#include "qcommon.h"
static huffman_t msgHuff;
static qboolean msgInit = qfalse;
int pcount[256];
/*
==============================================================================
MESSAGE IO FUNCTIONS
Handles byte ordering and avoids alignment errors
==============================================================================
*/
int oldsize = 0;
void MSG_initHuffman( void );
void MSG_Init( msg_t *buf, byte *data, int length ) {
if (!msgInit) {
MSG_initHuffman();
}
Com_Memset (buf, 0, sizeof(*buf));
buf->data = data;
buf->maxsize = length;
}
void MSG_InitOOB( msg_t *buf, byte *data, int length ) {
if (!msgInit) {
MSG_initHuffman();
}
Com_Memset (buf, 0, sizeof(*buf));
buf->data = data;
buf->maxsize = length;
buf->oob = qtrue;
}
void MSG_Clear( msg_t *buf ) {
buf->cursize = 0;
buf->overflowed = qfalse;
buf->bit = 0; //<- in bits
}
void MSG_Bitstream( msg_t *buf ) {
buf->oob = qfalse;
}
void MSG_BeginReading( msg_t *msg ) {
msg->readcount = 0;
msg->bit = 0;
msg->oob = qfalse;
}
void MSG_BeginReadingOOB( msg_t *msg ) {
msg->readcount = 0;
msg->bit = 0;
msg->oob = qtrue;
}
void MSG_Copy(msg_t *buf, byte *data, int length, msg_t *src)
{
if (length<src->cursize) {
Com_Error( ERR_DROP, "MSG_Copy: can't copy into a smaller msg_t buffer");
}
Com_Memcpy(buf, src, sizeof(msg_t));
buf->data = data;
Com_Memcpy(buf->data, src->data, src->cursize);
}
/*
=============================================================================
bit functions
=============================================================================
*/
int overflows;
// negative bit values include signs
void MSG_WriteBits( msg_t *msg, int value, int bits ) {
int i;
// FILE* fp;
oldsize += bits;
// this isn't an exact overflow check, but close enough
if ( msg->maxsize - msg->cursize < 4 ) {
msg->overflowed = qtrue;
return;
}
if ( bits == 0 || bits < -31 || bits > 32 ) {
Com_Error( ERR_DROP, "MSG_WriteBits: bad bits %i", bits );
}
// check for overflows
if ( bits != 32 ) {
if ( bits > 0 ) {
if ( value > ( ( 1 << bits ) - 1 ) || value < 0 ) {
overflows++;
}
} else {
int r;
r = 1 << (bits-1);
if ( value > r - 1 || value < -r ) {
overflows++;
}
}
}
if ( bits < 0 ) {
bits = -bits;
}
if (msg->oob) {
if (bits==8) {
msg->data[msg->cursize] = value;
msg->cursize += 1;
msg->bit += 8;
} else if (bits==16) {
unsigned short *sp = (unsigned short *)&msg->data[msg->cursize];
*sp = LittleShort(value);
msg->cursize += 2;
msg->bit += 16;
} else if (bits==32) {
unsigned int *ip = (unsigned int *)&msg->data[msg->cursize];
*ip = LittleLong(value);
msg->cursize += 4;
msg->bit += 32;
} else {
Com_Error(ERR_DROP, "can't read %d bits\n", bits);
}
} else {
// fp = fopen("c:\\netchan.bin", "a");
value &= (0xffffffff>>(32-bits));
if (bits&7) {
int nbits;
nbits = bits&7;
for(i=0;i<nbits;i++) {
Huff_putBit((value&1), msg->data, &msg->bit);
value = (value>>1);
}
bits = bits - nbits;
}
if (bits) {
for(i=0;i<bits;i+=8) {
// fwrite(bp, 1, 1, fp);
Huff_offsetTransmit (&msgHuff.compressor, (value&0xff), msg->data, &msg->bit);
value = (value>>8);
}
}
msg->cursize = (msg->bit>>3)+1;
// fclose(fp);
}
}
int MSG_ReadBits( msg_t *msg, int bits ) {
int value;
int get;
qboolean sgn;
int i, nbits;
// FILE* fp;
value = 0;
if ( bits < 0 ) {
bits = -bits;
sgn = qtrue;
} else {
sgn = qfalse;
}
if (msg->oob) {
if (bits==8) {
value = msg->data[msg->readcount];
msg->readcount += 1;
msg->bit += 8;
} else if (bits==16) {
unsigned short *sp = (unsigned short *)&msg->data[msg->readcount];
value = LittleShort(*sp);
msg->readcount += 2;
msg->bit += 16;
} else if (bits==32) {
unsigned int *ip = (unsigned int *)&msg->data[msg->readcount];
value = LittleLong(*ip);
msg->readcount += 4;
msg->bit += 32;
} else {
Com_Error(ERR_DROP, "can't read %d bits\n", bits);
}
} else {
nbits = 0;
if (bits&7) {
nbits = bits&7;
for(i=0;i<nbits;i++) {
value |= (Huff_getBit(msg->data, &msg->bit)<<i);
}
bits = bits - nbits;
}
if (bits) {
// fp = fopen("c:\\netchan.bin", "a");
for(i=0;i<bits;i+=8) {
Huff_offsetReceive (msgHuff.decompressor.tree, &get, msg->data, &msg->bit);
// fwrite(&get, 1, 1, fp);
value |= (get<<(i+nbits));
}
// fclose(fp);
}
msg->readcount = (msg->bit>>3)+1;
}
if ( sgn ) {
if ( value & ( 1 << ( bits - 1 ) ) ) {
value |= -1 ^ ( ( 1 << bits ) - 1 );
}
}
return value;
}
//================================================================================
//
// writing functions
//
void MSG_WriteChar( msg_t *sb, int c ) {
#ifdef PARANOID
if (c < -128 || c > 127)
Com_Error (ERR_FATAL, "MSG_WriteChar: range error");
#endif
MSG_WriteBits( sb, c, 8 );
}
void MSG_WriteByte( msg_t *sb, int c ) {
#ifdef PARANOID
if (c < 0 || c > 255)
Com_Error (ERR_FATAL, "MSG_WriteByte: range error");
#endif
MSG_WriteBits( sb, c, 8 );
}
void MSG_WriteData( msg_t *buf, const void *data, int length ) {
int i;
for(i=0;i<length;i++) {
MSG_WriteByte(buf, ((byte *)data)[i]);
}
}
void MSG_WriteShort( msg_t *sb, int c ) {
#ifdef PARANOID
if (c < ((short)0x8000) || c > (short)0x7fff)
Com_Error (ERR_FATAL, "MSG_WriteShort: range error");
#endif
MSG_WriteBits( sb, c, 16 );
}
void MSG_WriteLong( msg_t *sb, int c ) {
MSG_WriteBits( sb, c, 32 );
}
void MSG_WriteFloat( msg_t *sb, float f ) {
union {
float f;
int l;
} dat;
dat.f = f;
MSG_WriteBits( sb, dat.l, 32 );
}
void MSG_WriteString( msg_t *sb, const char *s ) {
if ( !s ) {
MSG_WriteData (sb, "", 1);
} else {
int l,i;
char string[MAX_STRING_CHARS];
l = strlen( s );
if ( l >= MAX_STRING_CHARS ) {
Com_Printf( "MSG_WriteString: MAX_STRING_CHARS" );
MSG_WriteData (sb, "", 1);
return;
}
Q_strncpyz( string, s, sizeof( string ) );
// get rid of 0xff chars, because old clients don't like them
for ( i = 0 ; i < l ; i++ ) {
if ( ((byte *)string)[i] > 127 ) {
string[i] = '.';
}
}
MSG_WriteData (sb, string, l+1);
}
}
void MSG_WriteBigString( msg_t *sb, const char *s ) {
if ( !s ) {
MSG_WriteData (sb, "", 1);
} else {
int l,i;
char string[BIG_INFO_STRING];
l = strlen( s );
if ( l >= BIG_INFO_STRING ) {
Com_Printf( "MSG_WriteString: BIG_INFO_STRING" );
MSG_WriteData (sb, "", 1);
return;
}
Q_strncpyz( string, s, sizeof( string ) );
// get rid of 0xff chars, because old clients don't like them
for ( i = 0 ; i < l ; i++ ) {
if ( ((byte *)string)[i] > 127 ) {
string[i] = '.';
}
}
MSG_WriteData (sb, string, l+1);
}
}
void MSG_WriteAngle( msg_t *sb, float f ) {
MSG_WriteByte (sb, (int)(f*256/360) & 255);
}
void MSG_WriteAngle16( msg_t *sb, float f ) {
MSG_WriteShort (sb, ANGLE2SHORT(f));
}
//============================================================
//
// reading functions
//
// returns -1 if no more characters are available
int MSG_ReadChar (msg_t *msg ) {
int c;
c = (signed char)MSG_ReadBits( msg, 8 );
if ( msg->readcount > msg->cursize ) {
c = -1;
}
return c;
}
int MSG_ReadByte( msg_t *msg ) {
int c;
c = (unsigned char)MSG_ReadBits( msg, 8 );
if ( msg->readcount > msg->cursize ) {
c = -1;
}
return c;
}
int MSG_LookaheadByte( msg_t *msg ) {
const int bloc = Huff_getBloc();
const int readcount = msg->readcount;
const int bit = msg->bit;
int c = MSG_ReadByte(msg);
Huff_setBloc(bloc);
msg->readcount = readcount;
msg->bit = bit;
return c;
}
int MSG_ReadShort( msg_t *msg ) {
int c;
c = (short)MSG_ReadBits( msg, 16 );
if ( msg->readcount > msg->cursize ) {
c = -1;
}
return c;
}
int MSG_ReadLong( msg_t *msg ) {
int c;
c = MSG_ReadBits( msg, 32 );
if ( msg->readcount > msg->cursize ) {
c = -1;
}
return c;
}
float MSG_ReadFloat( msg_t *msg ) {
union {
byte b[4];
float f;
int l;
} dat;
dat.l = MSG_ReadBits( msg, 32 );
if ( msg->readcount > msg->cursize ) {
dat.f = -1;
}
return dat.f;
}
char *MSG_ReadString( msg_t *msg ) {
static char string[MAX_STRING_CHARS];
int l,c;
l = 0;
do {
c = MSG_ReadByte(msg); // use ReadByte so -1 is out of bounds
if ( c == -1 || c == 0 ) {
break;
}
// translate all fmt spec to avoid crash bugs
if ( c == '%' ) {
c = '.';
}
// don't allow higher ascii values
if ( c > 127 ) {
c = '.';
}
string[l] = c;
l++;
} while (l < sizeof(string)-1);
string[l] = 0;
return string;
}
char *MSG_ReadBigString( msg_t *msg ) {
static char string[BIG_INFO_STRING];
int l,c;
l = 0;
do {
c = MSG_ReadByte(msg); // use ReadByte so -1 is out of bounds
if ( c == -1 || c == 0 ) {
break;
}
// translate all fmt spec to avoid crash bugs
if ( c == '%' ) {
c = '.';
}
// don't allow higher ascii values
if ( c > 127 ) {
c = '.';
}
string[l] = c;
l++;
} while (l < sizeof(string)-1);
string[l] = 0;
return string;
}
char *MSG_ReadStringLine( msg_t *msg ) {
static char string[MAX_STRING_CHARS];
int l,c;
l = 0;
do {
c = MSG_ReadByte(msg); // use ReadByte so -1 is out of bounds
if (c == -1 || c == 0 || c == '\n') {
break;
}
// translate all fmt spec to avoid crash bugs
if ( c == '%' ) {
c = '.';
}
// don't allow higher ascii values
if ( c > 127 ) {
c = '.';
}
string[l] = c;
l++;
} while (l < sizeof(string)-1);
string[l] = 0;
return string;
}
float MSG_ReadAngle16( msg_t *msg ) {
return SHORT2ANGLE(MSG_ReadShort(msg));
}
void MSG_ReadData( msg_t *msg, void *data, int len ) {
int i;
for (i=0 ; i<len ; i++) {
((byte *)data)[i] = MSG_ReadByte (msg);
}
}
/*
=============================================================================
delta functions
=============================================================================
*/
extern cvar_t *cl_shownet;
#define LOG(x) if( cl_shownet->integer == 4 ) { Com_Printf("%s ", x ); };
void MSG_WriteDelta( msg_t *msg, int oldV, int newV, int bits ) {
if ( oldV == newV ) {
MSG_WriteBits( msg, 0, 1 );
return;
}
MSG_WriteBits( msg, 1, 1 );
MSG_WriteBits( msg, newV, bits );
}
int MSG_ReadDelta( msg_t *msg, int oldV, int bits ) {
if ( MSG_ReadBits( msg, 1 ) ) {
return MSG_ReadBits( msg, bits );
}
return oldV;
}
void MSG_WriteDeltaFloat( msg_t *msg, float oldV, float newV ) {
if ( oldV == newV ) {
MSG_WriteBits( msg, 0, 1 );
return;
}
MSG_WriteBits( msg, 1, 1 );
MSG_WriteBits( msg, *(int *)&newV, 32 );
}
float MSG_ReadDeltaFloat( msg_t *msg, float oldV ) {
if ( MSG_ReadBits( msg, 1 ) ) {
float newV;
*(int *)&newV = MSG_ReadBits( msg, 32 );
return newV;
}
return oldV;
}
/*
=============================================================================
delta functions with keys
=============================================================================
*/
int kbitmask[32] = {
0x00000001, 0x00000003, 0x00000007, 0x0000000F,
0x0000001F, 0x0000003F, 0x0000007F, 0x000000FF,
0x000001FF, 0x000003FF, 0x000007FF, 0x00000FFF,
0x00001FFF, 0x00003FFF, 0x00007FFF, 0x0000FFFF,
0x0001FFFF, 0x0003FFFF, 0x0007FFFF, 0x000FFFFF,
0x001FFFFf, 0x003FFFFF, 0x007FFFFF, 0x00FFFFFF,
0x01FFFFFF, 0x03FFFFFF, 0x07FFFFFF, 0x0FFFFFFF,
0x1FFFFFFF, 0x3FFFFFFF, 0x7FFFFFFF, 0xFFFFFFFF,
};
void MSG_WriteDeltaKey( msg_t *msg, int key, int oldV, int newV, int bits ) {
if ( oldV == newV ) {
MSG_WriteBits( msg, 0, 1 );
return;
}
MSG_WriteBits( msg, 1, 1 );
MSG_WriteBits( msg, newV ^ key, bits );
}
int MSG_ReadDeltaKey( msg_t *msg, int key, int oldV, int bits ) {
if ( MSG_ReadBits( msg, 1 ) ) {
return MSG_ReadBits( msg, bits ) ^ (key & kbitmask[bits]);
}
return oldV;
}
void MSG_WriteDeltaKeyFloat( msg_t *msg, int key, float oldV, float newV ) {
if ( oldV == newV ) {
MSG_WriteBits( msg, 0, 1 );
return;
}
MSG_WriteBits( msg, 1, 1 );
MSG_WriteBits( msg, (*(int *)&newV) ^ key, 32 );
}
float MSG_ReadDeltaKeyFloat( msg_t *msg, int key, float oldV ) {
if ( MSG_ReadBits( msg, 1 ) ) {
float newV;
*(int *)&newV = MSG_ReadBits( msg, 32 ) ^ key;
return newV;
}
return oldV;
}
/*
============================================================================
usercmd_t communication
============================================================================
*/
// ms is allways sent, the others are optional
#define CM_ANGLE1 (1<<0)
#define CM_ANGLE2 (1<<1)
#define CM_ANGLE3 (1<<2)
#define CM_FORWARD (1<<3)
#define CM_SIDE (1<<4)
#define CM_UP (1<<5)
#define CM_BUTTONS (1<<6)
#define CM_WEAPON (1<<7)
/*
=====================
MSG_WriteDeltaUsercmd
=====================
*/
void MSG_WriteDeltaUsercmd( msg_t *msg, usercmd_t *from, usercmd_t *to ) {
if ( to->serverTime - from->serverTime < 256 ) {
MSG_WriteBits( msg, 1, 1 );
MSG_WriteBits( msg, to->serverTime - from->serverTime, 8 );
} else {
MSG_WriteBits( msg, 0, 1 );
MSG_WriteBits( msg, to->serverTime, 32 );
}
MSG_WriteDelta( msg, from->angles[0], to->angles[0], 16 );
MSG_WriteDelta( msg, from->angles[1], to->angles[1], 16 );
MSG_WriteDelta( msg, from->angles[2], to->angles[2], 16 );
MSG_WriteDelta( msg, from->forwardmove, to->forwardmove, 8 );
MSG_WriteDelta( msg, from->rightmove, to->rightmove, 8 );
MSG_WriteDelta( msg, from->upmove, to->upmove, 8 );
MSG_WriteDelta( msg, from->buttons, to->buttons, 16 );
MSG_WriteDelta( msg, from->weapon, to->weapon, 8 );
}
/*
=====================
MSG_ReadDeltaUsercmd
=====================
*/
void MSG_ReadDeltaUsercmd( msg_t *msg, usercmd_t *from, usercmd_t *to ) {
if ( MSG_ReadBits( msg, 1 ) ) {
to->serverTime = from->serverTime + MSG_ReadBits( msg, 8 );
} else {
to->serverTime = MSG_ReadBits( msg, 32 );
}
to->angles[0] = MSG_ReadDelta( msg, from->angles[0], 16);
to->angles[1] = MSG_ReadDelta( msg, from->angles[1], 16);
to->angles[2] = MSG_ReadDelta( msg, from->angles[2], 16);
to->forwardmove = MSG_ReadDelta( msg, from->forwardmove, 8);
to->rightmove = MSG_ReadDelta( msg, from->rightmove, 8);
to->upmove = MSG_ReadDelta( msg, from->upmove, 8);
to->buttons = MSG_ReadDelta( msg, from->buttons, 16);
to->weapon = MSG_ReadDelta( msg, from->weapon, 8);
}
/*
=====================
MSG_WriteDeltaUsercmd
=====================
*/
void MSG_WriteDeltaUsercmdKey( msg_t *msg, int key, usercmd_t *from, usercmd_t *to ) {
if ( to->serverTime - from->serverTime < 256 ) {
MSG_WriteBits( msg, 1, 1 );
MSG_WriteBits( msg, to->serverTime - from->serverTime, 8 );
} else {
MSG_WriteBits( msg, 0, 1 );
MSG_WriteBits( msg, to->serverTime, 32 );
}
if (from->angles[0] == to->angles[0] &&
from->angles[1] == to->angles[1] &&
from->angles[2] == to->angles[2] &&
from->forwardmove == to->forwardmove &&
from->rightmove == to->rightmove &&
from->upmove == to->upmove &&
from->buttons == to->buttons &&
from->weapon == to->weapon) {
MSG_WriteBits( msg, 0, 1 ); // no change
oldsize += 7;
return;
}
key ^= to->serverTime;
MSG_WriteBits( msg, 1, 1 );
MSG_WriteDeltaKey( msg, key, from->angles[0], to->angles[0], 16 );
MSG_WriteDeltaKey( msg, key, from->angles[1], to->angles[1], 16 );
MSG_WriteDeltaKey( msg, key, from->angles[2], to->angles[2], 16 );
MSG_WriteDeltaKey( msg, key, from->forwardmove, to->forwardmove, 8 );
MSG_WriteDeltaKey( msg, key, from->rightmove, to->rightmove, 8 );
MSG_WriteDeltaKey( msg, key, from->upmove, to->upmove, 8 );
MSG_WriteDeltaKey( msg, key, from->buttons, to->buttons, 16 );
MSG_WriteDeltaKey( msg, key, from->weapon, to->weapon, 8 );
}
/*
=====================
MSG_ReadDeltaUsercmd
=====================
*/
void MSG_ReadDeltaUsercmdKey( msg_t *msg, int key, usercmd_t *from, usercmd_t *to ) {
if ( MSG_ReadBits( msg, 1 ) ) {
to->serverTime = from->serverTime + MSG_ReadBits( msg, 8 );
} else {
to->serverTime = MSG_ReadBits( msg, 32 );
}
if ( MSG_ReadBits( msg, 1 ) ) {
key ^= to->serverTime;
to->angles[0] = MSG_ReadDeltaKey( msg, key, from->angles[0], 16);
to->angles[1] = MSG_ReadDeltaKey( msg, key, from->angles[1], 16);
to->angles[2] = MSG_ReadDeltaKey( msg, key, from->angles[2], 16);
to->forwardmove = MSG_ReadDeltaKey( msg, key, from->forwardmove, 8);
to->rightmove = MSG_ReadDeltaKey( msg, key, from->rightmove, 8);
to->upmove = MSG_ReadDeltaKey( msg, key, from->upmove, 8);
to->buttons = MSG_ReadDeltaKey( msg, key, from->buttons, 16);
to->weapon = MSG_ReadDeltaKey( msg, key, from->weapon, 8);
} else {
to->angles[0] = from->angles[0];
to->angles[1] = from->angles[1];
to->angles[2] = from->angles[2];
to->forwardmove = from->forwardmove;
to->rightmove = from->rightmove;
to->upmove = from->upmove;
to->buttons = from->buttons;
to->weapon = from->weapon;
}
}
/*
=============================================================================
entityState_t communication
=============================================================================
*/
/*
=================
MSG_ReportChangeVectors_f
Prints out a table from the current statistics for copying to code
=================
*/
void MSG_ReportChangeVectors_f( void ) {
int i;
for(i=0;i<256;i++) {
if (pcount[i]) {
Com_Printf("%d used %d\n", i, pcount[i]);
}
}
}
typedef struct {
char *name;
int offset;
int bits; // 0 = float
} netField_t;
// using the stringizing operator to save typing...
#define NETF(x) #x,(size_t)&((entityState_t*)0)->x
netField_t entityStateFields[] =
{
{ NETF(pos.trTime), 32 },
{ NETF(pos.trBase[0]), 0 },
{ NETF(pos.trBase[1]), 0 },
{ NETF(pos.trDelta[0]), 0 },
{ NETF(pos.trDelta[1]), 0 },
{ NETF(pos.trBase[2]), 0 },
{ NETF(apos.trBase[1]), 0 },
{ NETF(pos.trDelta[2]), 0 },
{ NETF(apos.trBase[0]), 0 },
{ NETF(event), 10 },
{ NETF(angles2[1]), 0 },
{ NETF(eType), 8 },
{ NETF(torsoAnim), 8 },
{ NETF(eventParm), 8 },
{ NETF(legsAnim), 8 },
{ NETF(groundEntityNum), GENTITYNUM_BITS },
{ NETF(pos.trType), 8 },
{ NETF(eFlags), 19 },
{ NETF(otherEntityNum), GENTITYNUM_BITS },
{ NETF(weapon), 8 },
{ NETF(clientNum), 8 },
{ NETF(angles[1]), 0 },
{ NETF(pos.trDuration), 32 },
{ NETF(apos.trType), 8 },
{ NETF(origin[0]), 0 },
{ NETF(origin[1]), 0 },
{ NETF(origin[2]), 0 },
{ NETF(solid), 24 },
{ NETF(powerups), MAX_POWERUPS },
{ NETF(modelindex), 8 },
{ NETF(otherEntityNum2), GENTITYNUM_BITS },
{ NETF(loopSound), 8 },
{ NETF(generic1), 8 },
{ NETF(origin2[2]), 0 },
{ NETF(origin2[0]), 0 },
{ NETF(origin2[1]), 0 },
{ NETF(modelindex2), 8 },
{ NETF(angles[0]), 0 },
{ NETF(time), 32 },
{ NETF(apos.trTime), 32 },
{ NETF(apos.trDuration), 32 },
{ NETF(apos.trBase[2]), 0 },
{ NETF(apos.trDelta[0]), 0 },
{ NETF(apos.trDelta[1]), 0 },
{ NETF(apos.trDelta[2]), 0 },
{ NETF(time2), 32 },
{ NETF(angles[2]), 0 },
{ NETF(angles2[0]), 0 },
{ NETF(angles2[2]), 0 },
{ NETF(constantLight), 32 },
{ NETF(frame), 16 }
};
// if (int)f == f and (int)f + ( 1<<(FLOAT_INT_BITS-1) ) < ( 1 << FLOAT_INT_BITS )
// the float will be sent with FLOAT_INT_BITS, otherwise all 32 bits will be sent
#define FLOAT_INT_BITS 13
#define FLOAT_INT_BIAS (1<<(FLOAT_INT_BITS-1))
/*
==================
MSG_WriteDeltaEntity
Writes part of a packetentities message, including the entity number.
Can delta from either a baseline or a previous packet_entity
If to is NULL, a remove entity update will be sent
If force is not set, then nothing at all will be generated if the entity is
identical, under the assumption that the in-order delta code will catch it.
==================
*/
void MSG_WriteDeltaEntity( msg_t *msg, struct entityState_s *from, struct entityState_s *to,
qboolean force ) {
int i, lc;
int numFields;
netField_t *field;
int trunc;
float fullFloat;
int *fromF, *toF;
numFields = sizeof(entityStateFields)/sizeof(entityStateFields[0]);
// all fields should be 32 bits to avoid any compiler packing issues
// the "number" field is not part of the field list
// if this assert fails, someone added a field to the entityState_t
// struct without updating the message fields
assert( numFields + 1 == sizeof( *from )/4 );
// a NULL to is a delta remove message
if ( to == NULL ) {
if ( from == NULL ) {
return;
}
MSG_WriteBits( msg, from->number, GENTITYNUM_BITS );
MSG_WriteBits( msg, 1, 1 );
return;
}
if ( to->number < 0 || to->number >= MAX_GENTITIES ) {
Com_Error (ERR_FATAL, "MSG_WriteDeltaEntity: Bad entity number: %i", to->number );
}
lc = 0;
// build the change vector as bytes so it is endien independent
for ( i = 0, field = entityStateFields ; i < numFields ; i++, field++ ) {
fromF = (int *)( (byte *)from + field->offset );
toF = (int *)( (byte *)to + field->offset );
if ( *fromF != *toF ) {
lc = i+1;
}
}
if ( lc == 0 ) {
// nothing at all changed
if ( !force ) {
return; // nothing at all
}
// write two bits for no change
MSG_WriteBits( msg, to->number, GENTITYNUM_BITS );
MSG_WriteBits( msg, 0, 1 ); // not removed
MSG_WriteBits( msg, 0, 1 ); // no delta
return;
}
MSG_WriteBits( msg, to->number, GENTITYNUM_BITS );
MSG_WriteBits( msg, 0, 1 ); // not removed
MSG_WriteBits( msg, 1, 1 ); // we have a delta
MSG_WriteByte( msg, lc ); // # of changes
oldsize += numFields;
for ( i = 0, field = entityStateFields ; i < lc ; i++, field++ ) {
fromF = (int *)( (byte *)from + field->offset );
toF = (int *)( (byte *)to + field->offset );
if ( *fromF == *toF ) {
MSG_WriteBits( msg, 0, 1 ); // no change
continue;
}
MSG_WriteBits( msg, 1, 1 ); // changed
if ( field->bits == 0 ) {
// float
fullFloat = *(float *)toF;
trunc = (int)fullFloat;
if (fullFloat == 0.0f) {
MSG_WriteBits( msg, 0, 1 );
oldsize += FLOAT_INT_BITS;
} else {
MSG_WriteBits( msg, 1, 1 );
if ( trunc == fullFloat && trunc + FLOAT_INT_BIAS >= 0 &&
trunc + FLOAT_INT_BIAS < ( 1 << FLOAT_INT_BITS ) ) {
// send as small integer
MSG_WriteBits( msg, 0, 1 );
MSG_WriteBits( msg, trunc + FLOAT_INT_BIAS, FLOAT_INT_BITS );
} else {
// send as full floating point value
MSG_WriteBits( msg, 1, 1 );
MSG_WriteBits( msg, *toF, 32 );
}
}
} else {
if (*toF == 0) {
MSG_WriteBits( msg, 0, 1 );
} else {
MSG_WriteBits( msg, 1, 1 );
// integer
MSG_WriteBits( msg, *toF, field->bits );
}
}
}
}
/*
==================
MSG_ReadDeltaEntity
The entity number has already been read from the message, which
is how the from state is identified.
If the delta removes the entity, entityState_t->number will be set to MAX_GENTITIES-1
Can go from either a baseline or a previous packet_entity
==================
*/
extern cvar_t *cl_shownet;
void MSG_ReadDeltaEntity( msg_t *msg, entityState_t *from, entityState_t *to,
int number) {
int i, lc;
int numFields;
netField_t *field;
int *fromF, *toF;
int print;
int trunc;
int startBit, endBit;
if ( number < 0 || number >= MAX_GENTITIES) {
Com_Error( ERR_DROP, "Bad delta entity number: %i", number );
}
if ( msg->bit == 0 ) {
startBit = msg->readcount * 8 - GENTITYNUM_BITS;
} else {
startBit = ( msg->readcount - 1 ) * 8 + msg->bit - GENTITYNUM_BITS;
}
// check for a remove
if ( MSG_ReadBits( msg, 1 ) == 1 ) {
Com_Memset( to, 0, sizeof( *to ) );
to->number = MAX_GENTITIES - 1;
if ( cl_shownet->integer >= 2 || cl_shownet->integer == -1 ) {
Com_Printf( "%3i: #%-3i remove\n", msg->readcount, number );
}
return;
}
// check for no delta
if ( MSG_ReadBits( msg, 1 ) == 0 ) {
*to = *from;
to->number = number;
return;
}
numFields = sizeof(entityStateFields)/sizeof(entityStateFields[0]);
lc = MSG_ReadByte(msg);
// shownet 2/3 will interleave with other printed info, -1 will
// just print the delta records`
if ( cl_shownet->integer >= 2 || cl_shownet->integer == -1 ) {
print = 1;
Com_Printf( "%3i: #%-3i ", msg->readcount, to->number );
} else {
print = 0;
}
to->number = number;
for ( i = 0, field = entityStateFields ; i < lc ; i++, field++ ) {
fromF = (int *)( (byte *)from + field->offset );
toF = (int *)( (byte *)to + field->offset );
if ( ! MSG_ReadBits( msg, 1 ) ) {
// no change
*toF = *fromF;
} else {
if ( field->bits == 0 ) {
// float
if ( MSG_ReadBits( msg, 1 ) == 0 ) {
*(float *)toF = 0.0f;
} else {
if ( MSG_ReadBits( msg, 1 ) == 0 ) {
// integral float
trunc = MSG_ReadBits( msg, FLOAT_INT_BITS );
// bias to allow equal parts positive and negative
trunc -= FLOAT_INT_BIAS;
*(float *)toF = trunc;
if ( print ) {
Com_Printf( "%s:%i ", field->name, trunc );
}
} else {
// full floating point value
*toF = MSG_ReadBits( msg, 32 );
if ( print ) {
Com_Printf( "%s:%f ", field->name, *(float *)toF );
}
}
}
} else {
if ( MSG_ReadBits( msg, 1 ) == 0 ) {
*toF = 0;
} else {
// integer
*toF = MSG_ReadBits( msg, field->bits );
if ( print ) {
Com_Printf( "%s:%i ", field->name, *toF );
}
}
}
// pcount[i]++;
}
}
for ( i = lc, field = &entityStateFields[lc] ; i < numFields ; i++, field++ ) {
fromF = (int *)( (byte *)from + field->offset );
toF = (int *)( (byte *)to + field->offset );
// no change
*toF = *fromF;
}
if ( print ) {
if ( msg->bit == 0 ) {
endBit = msg->readcount * 8 - GENTITYNUM_BITS;
} else {
endBit = ( msg->readcount - 1 ) * 8 + msg->bit - GENTITYNUM_BITS;
}
Com_Printf( " (%i bits)\n", endBit - startBit );
}
}
/*
============================================================================
plyer_state_t communication
============================================================================
*/
// using the stringizing operator to save typing...
#define PSF(x) #x,(size_t)&((playerState_t*)0)->x
netField_t playerStateFields[] =
{
{ PSF(commandTime), 32 },
{ PSF(origin[0]), 0 },
{ PSF(origin[1]), 0 },
{ PSF(bobCycle), 8 },
{ PSF(velocity[0]), 0 },
{ PSF(velocity[1]), 0 },
{ PSF(viewangles[1]), 0 },
{ PSF(viewangles[0]), 0 },
{ PSF(weaponTime), -16 },
{ PSF(origin[2]), 0 },
{ PSF(velocity[2]), 0 },
{ PSF(legsTimer), 8 },
{ PSF(pm_time), -16 },
{ PSF(eventSequence), 16 },
{ PSF(torsoAnim), 8 },
{ PSF(movementDir), 4 },
{ PSF(events[0]), 8 },
{ PSF(legsAnim), 8 },
{ PSF(events[1]), 8 },
{ PSF(pm_flags), 16 },
{ PSF(groundEntityNum), GENTITYNUM_BITS },
{ PSF(weaponstate), 4 },
{ PSF(eFlags), 16 },
{ PSF(externalEvent), 10 },
{ PSF(gravity), 16 },
{ PSF(speed), 16 },
{ PSF(delta_angles[1]), 16 },
{ PSF(externalEventParm), 8 },
{ PSF(viewheight), -8 },
{ PSF(damageEvent), 8 },
{ PSF(damageYaw), 8 },
{ PSF(damagePitch), 8 },
{ PSF(damageCount), 8 },
{ PSF(generic1), 8 },
{ PSF(pm_type), 8 },
{ PSF(delta_angles[0]), 16 },
{ PSF(delta_angles[2]), 16 },
{ PSF(torsoTimer), 12 },
{ PSF(eventParms[0]), 8 },
{ PSF(eventParms[1]), 8 },
{ PSF(clientNum), 8 },
{ PSF(weapon), 5 },
{ PSF(viewangles[2]), 0 },
{ PSF(grapplePoint[0]), 0 },
{ PSF(grapplePoint[1]), 0 },
{ PSF(grapplePoint[2]), 0 },
{ PSF(jumppad_ent), 10 },
{ PSF(loopSound), 16 }
};
/*
=============
MSG_WriteDeltaPlayerstate
=============
*/
void MSG_WriteDeltaPlayerstate( msg_t *msg, struct playerState_s *from, struct playerState_s *to ) {
int i;
playerState_t dummy;
int statsbits;
int persistantbits;
int ammobits;
int powerupbits;
int numFields;
int c;
netField_t *field;
int *fromF, *toF;
float fullFloat;
int trunc, lc;
if (!from) {
from = &dummy;
Com_Memset (&dummy, 0, sizeof(dummy));
}
c = msg->cursize;
numFields = sizeof( playerStateFields ) / sizeof( playerStateFields[0] );
lc = 0;
for ( i = 0, field = playerStateFields ; i < numFields ; i++, field++ ) {
fromF = (int *)( (byte *)from + field->offset );
toF = (int *)( (byte *)to + field->offset );
if ( *fromF != *toF ) {
lc = i+1;
}
}
MSG_WriteByte( msg, lc ); // # of changes
oldsize += numFields - lc;
for ( i = 0, field = playerStateFields ; i < lc ; i++, field++ ) {
fromF = (int *)( (byte *)from + field->offset );
toF = (int *)( (byte *)to + field->offset );
if ( *fromF == *toF ) {
MSG_WriteBits( msg, 0, 1 ); // no change
continue;
}
MSG_WriteBits( msg, 1, 1 ); // changed
// pcount[i]++;
if ( field->bits == 0 ) {
// float
fullFloat = *(float *)toF;
trunc = (int)fullFloat;
if ( trunc == fullFloat && trunc + FLOAT_INT_BIAS >= 0 &&
trunc + FLOAT_INT_BIAS < ( 1 << FLOAT_INT_BITS ) ) {
// send as small integer
MSG_WriteBits( msg, 0, 1 );
MSG_WriteBits( msg, trunc + FLOAT_INT_BIAS, FLOAT_INT_BITS );
} else {
// send as full floating point value
MSG_WriteBits( msg, 1, 1 );
MSG_WriteBits( msg, *toF, 32 );
}
} else {
// integer
MSG_WriteBits( msg, *toF, field->bits );
}
}
c = msg->cursize - c;
//
// send the arrays
//
statsbits = 0;
for (i=0 ; i<MAX_STATS ; i++) {
if (to->stats[i] != from->stats[i]) {
statsbits |= 1<<i;
}
}
persistantbits = 0;
for (i=0 ; i<MAX_PERSISTANT ; i++) {
if (to->persistant[i] != from->persistant[i]) {
persistantbits |= 1<<i;
}
}
ammobits = 0;
for (i=0 ; i<MAX_WEAPONS ; i++) {
if (to->ammo[i] != from->ammo[i]) {
ammobits |= 1<<i;
}
}
powerupbits = 0;
for (i=0 ; i<MAX_POWERUPS ; i++) {
if (to->powerups[i] != from->powerups[i]) {
powerupbits |= 1<<i;
}
}
if (!statsbits && !persistantbits && !ammobits && !powerupbits) {
MSG_WriteBits( msg, 0, 1 ); // no change
oldsize += 4;
return;
}
MSG_WriteBits( msg, 1, 1 ); // changed
if ( statsbits ) {
MSG_WriteBits( msg, 1, 1 ); // changed
MSG_WriteBits( msg, statsbits, MAX_STATS );
for (i=0 ; i<MAX_STATS ; i++)
if (statsbits & (1<<i) )
MSG_WriteShort (msg, to->stats[i]);
} else {
MSG_WriteBits( msg, 0, 1 ); // no change
}
if ( persistantbits ) {
MSG_WriteBits( msg, 1, 1 ); // changed
MSG_WriteBits( msg, persistantbits, MAX_PERSISTANT );
for (i=0 ; i<MAX_PERSISTANT ; i++)
if (persistantbits & (1<<i) )
MSG_WriteShort (msg, to->persistant[i]);
} else {
MSG_WriteBits( msg, 0, 1 ); // no change
}
if ( ammobits ) {
MSG_WriteBits( msg, 1, 1 ); // changed
MSG_WriteBits( msg, ammobits, MAX_WEAPONS );
for (i=0 ; i<MAX_WEAPONS ; i++)
if (ammobits & (1<<i) )
MSG_WriteShort (msg, to->ammo[i]);
} else {
MSG_WriteBits( msg, 0, 1 ); // no change
}
if ( powerupbits ) {
MSG_WriteBits( msg, 1, 1 ); // changed
MSG_WriteBits( msg, powerupbits, MAX_POWERUPS );
for (i=0 ; i<MAX_POWERUPS ; i++)
if (powerupbits & (1<<i) )
MSG_WriteLong( msg, to->powerups[i] );
} else {
MSG_WriteBits( msg, 0, 1 ); // no change
}
}
/*
===================
MSG_ReadDeltaPlayerstate
===================
*/
void MSG_ReadDeltaPlayerstate (msg_t *msg, playerState_t *from, playerState_t *to ) {
int i, lc;
int bits;
netField_t *field;
int numFields;
int startBit, endBit;
int print;
int *fromF, *toF;
int trunc;
playerState_t dummy;
if ( !from ) {
from = &dummy;
Com_Memset( &dummy, 0, sizeof( dummy ) );
}
*to = *from;
if ( msg->bit == 0 ) {
startBit = msg->readcount * 8 - GENTITYNUM_BITS;
} else {
startBit = ( msg->readcount - 1 ) * 8 + msg->bit - GENTITYNUM_BITS;
}
// shownet 2/3 will interleave with other printed info, -2 will
// just print the delta records
if ( cl_shownet->integer >= 2 || cl_shownet->integer == -2 ) {
print = 1;
Com_Printf( "%3i: playerstate ", msg->readcount );
} else {
print = 0;
}
numFields = sizeof( playerStateFields ) / sizeof( playerStateFields[0] );
lc = MSG_ReadByte(msg);
for ( i = 0, field = playerStateFields ; i < lc ; i++, field++ ) {
fromF = (int *)( (byte *)from + field->offset );
toF = (int *)( (byte *)to + field->offset );
if ( ! MSG_ReadBits( msg, 1 ) ) {
// no change
*toF = *fromF;
} else {
if ( field->bits == 0 ) {
// float
if ( MSG_ReadBits( msg, 1 ) == 0 ) {
// integral float
trunc = MSG_ReadBits( msg, FLOAT_INT_BITS );
// bias to allow equal parts positive and negative
trunc -= FLOAT_INT_BIAS;
*(float *)toF = trunc;
if ( print ) {
Com_Printf( "%s:%i ", field->name, trunc );
}
} else {
// full floating point value
*toF = MSG_ReadBits( msg, 32 );
if ( print ) {
Com_Printf( "%s:%f ", field->name, *(float *)toF );
}
}
} else {
// integer
*toF = MSG_ReadBits( msg, field->bits );
if ( print ) {
Com_Printf( "%s:%i ", field->name, *toF );
}
}
}
}
for ( i=lc,field = &playerStateFields[lc];i<numFields; i++, field++) {
fromF = (int *)( (byte *)from + field->offset );
toF = (int *)( (byte *)to + field->offset );
// no change
*toF = *fromF;
}
// read the arrays
if (MSG_ReadBits( msg, 1 ) ) {
// parse stats
if ( MSG_ReadBits( msg, 1 ) ) {
LOG("PS_STATS");
bits = MSG_ReadBits (msg, MAX_STATS);
for (i=0 ; i<MAX_STATS ; i++) {
if (bits & (1<<i) ) {
to->stats[i] = MSG_ReadShort(msg);
}
}
}
// parse persistant stats
if ( MSG_ReadBits( msg, 1 ) ) {
LOG("PS_PERSISTANT");
bits = MSG_ReadBits (msg, MAX_PERSISTANT);
for (i=0 ; i<MAX_PERSISTANT ; i++) {
if (bits & (1<<i) ) {
to->persistant[i] = MSG_ReadShort(msg);
}
}
}
// parse ammo
if ( MSG_ReadBits( msg, 1 ) ) {
LOG("PS_AMMO");
bits = MSG_ReadBits (msg, MAX_WEAPONS);
for (i=0 ; i<MAX_WEAPONS ; i++) {
if (bits & (1<<i) ) {
to->ammo[i] = MSG_ReadShort(msg);
}
}
}
// parse powerups
if ( MSG_ReadBits( msg, 1 ) ) {
LOG("PS_POWERUPS");
bits = MSG_ReadBits (msg, MAX_POWERUPS);
for (i=0 ; i<MAX_POWERUPS ; i++) {
if (bits & (1<<i) ) {
to->powerups[i] = MSG_ReadLong(msg);
}
}
}
}
if ( print ) {
if ( msg->bit == 0 ) {
endBit = msg->readcount * 8 - GENTITYNUM_BITS;
} else {
endBit = ( msg->readcount - 1 ) * 8 + msg->bit - GENTITYNUM_BITS;
}
Com_Printf( " (%i bits)\n", endBit - startBit );
}
}
int msg_hData[256] = {
250315, // 0
41193, // 1
6292, // 2
7106, // 3
3730, // 4
3750, // 5
6110, // 6
23283, // 7
33317, // 8
6950, // 9
7838, // 10
9714, // 11
9257, // 12
17259, // 13
3949, // 14
1778, // 15
8288, // 16
1604, // 17
1590, // 18
1663, // 19
1100, // 20
1213, // 21
1238, // 22
1134, // 23
1749, // 24
1059, // 25
1246, // 26
1149, // 27
1273, // 28
4486, // 29
2805, // 30
3472, // 31
21819, // 32
1159, // 33
1670, // 34
1066, // 35
1043, // 36
1012, // 37
1053, // 38
1070, // 39
1726, // 40
888, // 41
1180, // 42
850, // 43
960, // 44
780, // 45
1752, // 46
3296, // 47
10630, // 48
4514, // 49
5881, // 50
2685, // 51
4650, // 52
3837, // 53
2093, // 54
1867, // 55
2584, // 56
1949, // 57
1972, // 58
940, // 59
1134, // 60
1788, // 61
1670, // 62
1206, // 63
5719, // 64
6128, // 65
7222, // 66
6654, // 67
3710, // 68
3795, // 69
1492, // 70
1524, // 71
2215, // 72
1140, // 73
1355, // 74
971, // 75
2180, // 76
1248, // 77
1328, // 78
1195, // 79
1770, // 80
1078, // 81
1264, // 82
1266, // 83
1168, // 84
965, // 85
1155, // 86
1186, // 87
1347, // 88
1228, // 89
1529, // 90
1600, // 91
2617, // 92
2048, // 93
2546, // 94
3275, // 95
2410, // 96
3585, // 97
2504, // 98
2800, // 99
2675, // 100
6146, // 101
3663, // 102
2840, // 103
14253, // 104
3164, // 105
2221, // 106
1687, // 107
3208, // 108
2739, // 109
3512, // 110
4796, // 111
4091, // 112
3515, // 113
5288, // 114
4016, // 115
7937, // 116
6031, // 117
5360, // 118
3924, // 119
4892, // 120
3743, // 121
4566, // 122
4807, // 123
5852, // 124
6400, // 125
6225, // 126
8291, // 127
23243, // 128
7838, // 129
7073, // 130
8935, // 131
5437, // 132
4483, // 133
3641, // 134
5256, // 135
5312, // 136
5328, // 137
5370, // 138
3492, // 139
2458, // 140
1694, // 141
1821, // 142
2121, // 143
1916, // 144
1149, // 145
1516, // 146
1367, // 147
1236, // 148
1029, // 149
1258, // 150
1104, // 151
1245, // 152
1006, // 153
1149, // 154
1025, // 155
1241, // 156
952, // 157
1287, // 158
997, // 159
1713, // 160
1009, // 161
1187, // 162
879, // 163
1099, // 164
929, // 165
1078, // 166
951, // 167
1656, // 168
930, // 169
1153, // 170
1030, // 171
1262, // 172
1062, // 173
1214, // 174
1060, // 175
1621, // 176
930, // 177
1106, // 178
912, // 179
1034, // 180
892, // 181
1158, // 182
990, // 183
1175, // 184
850, // 185
1121, // 186
903, // 187
1087, // 188
920, // 189
1144, // 190
1056, // 191
3462, // 192
2240, // 193
4397, // 194
12136, // 195
7758, // 196
1345, // 197
1307, // 198
3278, // 199
1950, // 200
886, // 201
1023, // 202
1112, // 203
1077, // 204
1042, // 205
1061, // 206
1071, // 207
1484, // 208
1001, // 209
1096, // 210
915, // 211
1052, // 212
995, // 213
1070, // 214
876, // 215
1111, // 216
851, // 217
1059, // 218
805, // 219
1112, // 220
923, // 221
1103, // 222
817, // 223
1899, // 224
1872, // 225
976, // 226
841, // 227
1127, // 228
956, // 229
1159, // 230
950, // 231
7791, // 232
954, // 233
1289, // 234
933, // 235
1127, // 236
3207, // 237
1020, // 238
927, // 239
1355, // 240
768, // 241
1040, // 242
745, // 243
952, // 244
805, // 245
1073, // 246
740, // 247
1013, // 248
805, // 249
1008, // 250
796, // 251
996, // 252
1057, // 253
11457, // 254
13504, // 255
};
void MSG_initHuffman( void ) {
int i,j;
msgInit = qtrue;
Huff_Init(&msgHuff);
for(i=0;i<256;i++) {
for (j=0;j<msg_hData[i];j++) {
Huff_addRef(&msgHuff.compressor, (byte)i); // Do update
Huff_addRef(&msgHuff.decompressor, (byte)i); // Do update
}
}
}
/*
void MSG_NUinitHuffman() {
byte *data;
int size, i, ch;
int array[256];
msgInit = qtrue;
Huff_Init(&msgHuff);
// load it in
size = FS_ReadFile( "netchan/netchan.bin", (void **)&data );
for(i=0;i<256;i++) {
array[i] = 0;
}
for(i=0;i<size;i++) {
ch = data[i];
Huff_addRef(&msgHuff.compressor, ch); // Do update
Huff_addRef(&msgHuff.decompressor, ch); // Do update
array[ch]++;
}
Com_Printf("msg_hData {\n");
for(i=0;i<256;i++) {
if (array[i] == 0) {
Huff_addRef(&msgHuff.compressor, i); // Do update
Huff_addRef(&msgHuff.decompressor, i); // Do update
}
Com_Printf("%d, // %d\n", array[i], i);
}
Com_Printf("};\n");
FS_FreeFile( data );
Cbuf_AddText( "condump dump.txt\n" );
}
*/
//===========================================================================
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