diff options
| author | Paweł Redman <pawel.redman@gmail.com> | 2017-03-22 17:56:34 +0100 |
|---|---|---|
| committer | Paweł Redman <pawel.redman@gmail.com> | 2017-03-22 17:56:34 +0100 |
| commit | 6a777afc079c2a8d3af3ecd2145fe8dd50567a39 (patch) | |
| tree | 520f4489cebf8564ef6cb27064ceea45cbc005b3 /src/qcommon/msg.c | |
Diffstat (limited to 'src/qcommon/msg.c')
| -rw-r--r-- | src/qcommon/msg.c | 1767 |
1 files changed, 1767 insertions, 0 deletions
diff --git a/src/qcommon/msg.c b/src/qcommon/msg.c new file mode 100644 index 0000000..b30b2ba --- /dev/null +++ b/src/qcommon/msg.c @@ -0,0 +1,1767 @@ +/*
+===========================================================================
+Copyright (C) 1999-2005 Id Software, Inc.
+Copyright (C) 2000-2006 Tim Angus
+
+This file is part of Tremulous.
+
+Tremulous 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.
+
+Tremulous 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 Tremulous; 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_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,(int)&((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,(int)&((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(otherEntityNum), 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" );
+}
+*/
+
+//===========================================================================
|