1208 lines
28 KiB
C++
1208 lines
28 KiB
C++
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#include "../game/q_shared.h"
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#include "qcommon.h"
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/*
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==============================================================================
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MESSAGE IO FUNCTIONS
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Handles byte ordering and avoids alignment errors
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==============================================================================
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*/
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void MSG_Init( msg_t *buf, byte *data, int length ) {
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memset (buf, 0, sizeof(*buf));
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buf->data = data;
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buf->maxsize = length;
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}
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void MSG_Clear( msg_t *buf ) {
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buf->cursize = 0;
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buf->overflowed = qfalse;
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buf->bit = 0;
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}
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void MSG_BeginReading( msg_t *msg ) {
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msg->readcount = 0;
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msg->bit = 0;
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}
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void MSG_ReadByteAlign( msg_t *buf ) {
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// round up to the next byte
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if ( buf->bit ) {
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buf->bit = 0;
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buf->readcount++;
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}
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}
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void *MSG_GetSpace( msg_t *buf, int length ) {
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void *data;
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// round up to the next byte
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if ( buf->bit ) {
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buf->bit = 0;
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buf->cursize++;
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}
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if ( buf->cursize + length > buf->maxsize ) {
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if ( !buf->allowoverflow ) {
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Com_Error (ERR_FATAL, "MSG_GetSpace: overflow without allowoverflow set");
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}
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if ( length > buf->maxsize ) {
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Com_Error (ERR_FATAL, "MSG_GetSpace: %i is > full buffer size", length);
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}
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Com_Printf ("MSG_GetSpace: overflow\n");
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MSG_Clear (buf);
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buf->overflowed = qtrue;
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}
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data = buf->data + buf->cursize;
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buf->cursize += length;
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return data;
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}
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void MSG_WriteData( msg_t *buf, const void *data, int length ) {
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memcpy (MSG_GetSpace(buf,length),data,length);
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}
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/*
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=============================================================================
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bit functions
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=============================================================================
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*/
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int overflows;
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// negative bit values include signs
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void MSG_WriteBits( msg_t *msg, int value, int bits ) {
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int put;
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int fraction;
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// this isn't an exact overflow check, but close enough
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if ( msg->maxsize - msg->cursize < 4 ) {
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msg->overflowed = qtrue;
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#ifndef FINAL_BUILD
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Com_Printf (S_COLOR_RED"MSG_WriteBits: buffer Full writing %d in %d bits\n", value, bits);
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#endif
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return;
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}
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if ( bits == 0 || bits < -31 || bits > 32 ) {
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Com_Error( ERR_DROP, "MSG_WriteBits: bad bits %i", bits );
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}
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// check for overflows
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if ( bits != 32 ) {
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if ( bits > 0 ) {
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if ( value > ( ( 1 << bits ) - 1 ) || value < 0 ) {
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overflows++;
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#ifndef FINAL_BUILD
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#ifdef _DEBUG
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Com_Printf (S_COLOR_RED"MSG_WriteBits: overflow writing %d in %d bits\n", value, bits);
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#endif
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#endif
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}
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} else {
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int r;
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r = 1 << (bits-1);
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if ( value > r - 1 || value < -r ) {
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overflows++;
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#ifndef FINAL_BUILD
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#ifdef _DEBUG
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Com_Printf (S_COLOR_RED"MSG_WriteBits: overflow writing %d in %d bits\n", value, bits);
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#endif
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#endif
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}
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}
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}
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if ( bits < 0 ) {
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bits = -bits;
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}
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while ( bits ) {
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if ( msg->bit == 0 ) {
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msg->data[msg->cursize] = 0;
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msg->cursize++;
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}
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put = 8 - msg->bit;
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if ( put > bits ) {
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put = bits;
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}
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fraction = value & ( ( 1 << put ) - 1 );
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msg->data[msg->cursize - 1] |= fraction << msg->bit;
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bits -= put;
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value >>= put;
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msg->bit = ( msg->bit + put ) & 7;
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}
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}
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int MSG_ReadBits( msg_t *msg, int bits ) {
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int value;
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int valueBits;
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int get;
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int fraction;
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qboolean sgn;
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value = 0;
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valueBits = 0;
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if ( bits < 0 ) {
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bits = -bits;
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sgn = qtrue;
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} else {
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sgn = qfalse;
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}
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while ( valueBits < bits ) {
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if ( msg->bit == 0 ) {
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msg->readcount++;
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assert (msg->readcount <= msg->cursize);
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}
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get = 8 - msg->bit;
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if ( get > (bits - valueBits) ) {
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get = (bits - valueBits);
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}
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fraction = msg->data[msg->readcount - 1];
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fraction >>= msg->bit;
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fraction &= ( 1 << get ) - 1;
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value |= fraction << valueBits;
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valueBits += get;
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msg->bit = ( msg->bit + get ) & 7;
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}
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if ( sgn ) {
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if ( value & ( 1 << ( bits - 1 ) ) ) {
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value |= -1 ^ ( ( 1 << bits ) - 1 );
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}
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}
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return value;
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}
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//================================================================================
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//
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// writing functions
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//
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void MSG_WriteByte( msg_t *sb, int c ) {
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#ifdef PARANOID
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if (c < 0 || c > 255)
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Com_Error (ERR_FATAL, "MSG_WriteByte: range error");
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#endif
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MSG_WriteBits( sb, c, 8 );
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}
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void MSG_WriteShort( msg_t *sb, int c ) {
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#ifdef PARANOID
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if (c < ((short)0x8000) || c > (short)0x7fff)
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Com_Error (ERR_FATAL, "MSG_WriteShort: range error");
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#endif
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MSG_WriteBits( sb, c, 16 );
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}
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static void MSG_WriteSShort( msg_t *sb, int c ) {
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MSG_WriteBits( sb, c, -16 );
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}
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void MSG_WriteLong( msg_t *sb, int c ) {
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MSG_WriteBits( sb, c, 32 );
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}
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void MSG_WriteString( msg_t *sb, const char *s ) {
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if ( !s ) {
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MSG_WriteData (sb, "", 1);
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} else {
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int l, i;
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char string[MAX_STRING_CHARS];
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l = strlen( s );
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if ( l >= MAX_STRING_CHARS ) {
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Com_Printf( "MSG_WriteString: MAX_STRING_CHARS" );
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MSG_WriteData (sb, "", 1);
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return;
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}
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Q_strncpyz( string, s, sizeof( string ) );
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// get rid of 0xff chars, because old clients don't like them
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for ( i = 0 ; i < l ; i++ ) {
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if ( ((byte *)string)[i] > 127 ) {
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string[i] = '.';
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}
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}
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MSG_WriteData (sb, string, l+1);
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}
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}
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//============================================================
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//
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// reading functions
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//
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// returns -1 if no more characters are available
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int MSG_ReadByte( msg_t *msg ) {
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int c;
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if ( msg->readcount+1 > msg->cursize ) {
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c = -1;
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} else {
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c = (unsigned char)MSG_ReadBits( msg, 8 );
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}
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return c;
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}
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int MSG_ReadShort( msg_t *msg ) {
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int c;
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if ( msg->readcount+2 > msg->cursize ) {
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c = -1;
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} else {
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c = MSG_ReadBits( msg, 16 );
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}
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return c;
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}
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static int MSG_ReadSShort( msg_t *msg ) {
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int c;
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if ( msg->readcount+2 > msg->cursize ) {
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c = -1;
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} else {
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c = MSG_ReadBits( msg, -16 );
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}
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return c;
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}
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int MSG_ReadLong( msg_t *msg ) {
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int c;
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if ( msg->readcount+4 > msg->cursize ) {
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c = -1;
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} else {
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c = MSG_ReadBits( msg, 32 );
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}
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return c;
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}
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char *MSG_ReadString( msg_t *msg ) {
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static char string[MAX_STRING_CHARS];
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int l,c;
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MSG_ReadByteAlign( msg );
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l = 0;
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do {
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c = MSG_ReadByte(msg); // use ReadByte so -1 is out of bounds
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if ( c == -1 || c == 0 ) {
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break;
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}
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// translate all fmt spec to avoid crash bugs
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if ( c == '%' ) {
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c = '.';
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}
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string[l] = c;
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l++;
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} while (l < sizeof(string)-1);
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string[l] = 0;
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return string;
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}
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char *MSG_ReadStringLine( msg_t *msg ) {
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static char string[MAX_STRING_CHARS];
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int l,c;
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MSG_ReadByteAlign( msg );
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l = 0;
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do {
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c = MSG_ReadByte(msg); // use ReadByte so -1 is out of bounds
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if (c == -1 || c == 0 || c == '\n') {
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break;
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}
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// translate all fmt spec to avoid crash bugs
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if ( c == '%' ) {
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c = '.';
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}
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string[l] = c;
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l++;
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} while (l < sizeof(string)-1);
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string[l] = 0;
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return string;
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}
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void MSG_ReadData( msg_t *msg, void *data, int len ) {
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int i;
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MSG_ReadByteAlign( msg );
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for (i=0 ; i<len ; i++) {
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((byte *)data)[i] = MSG_ReadByte (msg);
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}
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}
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/*
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=============================================================================
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delta functions
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=============================================================================
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*/
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extern cvar_t *cl_shownet;
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#define LOG(x) if( cl_shownet->integer == 4 ) { Com_Printf("%s ", x ); };
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void MSG_WriteDelta( msg_t *msg, int oldV, int newV, int bits ) {
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if ( oldV == newV ) {
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MSG_WriteBits( msg, 0, 1 );
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return;
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}
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MSG_WriteBits( msg, 1, 1 );
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MSG_WriteBits( msg, newV, bits );
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}
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int MSG_ReadDelta( msg_t *msg, int oldV, int bits ) {
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if ( MSG_ReadBits( msg, 1 ) ) {
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return MSG_ReadBits( msg, bits );
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}
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return oldV;
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}
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void MSG_WriteDeltaFloat( msg_t *msg, float oldV, float newV ) {
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if ( oldV == newV ) {
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MSG_WriteBits( msg, 0, 1 );
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return;
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}
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MSG_WriteBits( msg, 1, 1 );
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MSG_WriteBits( msg, *(int *)&newV, 32 );
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}
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float MSG_ReadDeltaFloat( msg_t *msg, float oldV ) {
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if ( MSG_ReadBits( msg, 1 ) ) {
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float newV;
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*(int *)&newV = MSG_ReadBits( msg, 32 );
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return newV;
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}
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return oldV;
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}
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/*
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============================================================================
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usercmd_t communication
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============================================================================
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*/
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// ms is allways sent, the others are optional
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#define CM_ANGLE1 (1<<0)
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#define CM_ANGLE2 (1<<1)
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#define CM_ANGLE3 (1<<2)
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#define CM_FORWARD (1<<3)
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#define CM_SIDE (1<<4)
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#define CM_UP (1<<5)
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#define CM_BUTTONS (1<<6)
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#define CM_WEAPON (1<<7)
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/*
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=====================
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MSG_WriteDeltaUsercmd
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=====================
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*/
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void MSG_WriteDeltaUsercmd( msg_t *msg, usercmd_t *from, usercmd_t *to ) {
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MSG_WriteDelta( msg, from->serverTime, to->serverTime, 32 );
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MSG_WriteDelta( msg, from->angles[0], to->angles[0], 16 );
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MSG_WriteDelta( msg, from->angles[1], to->angles[1], 16 );
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MSG_WriteDelta( msg, from->angles[2], to->angles[2], 16 );
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MSG_WriteDelta( msg, from->forwardmove, to->forwardmove, -8 );
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MSG_WriteDelta( msg, from->rightmove, to->rightmove, -8 );
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MSG_WriteDelta( msg, from->upmove, to->upmove, -8 );
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MSG_WriteDelta( msg, from->buttons, to->buttons, 16 );//FIXME: We're only really using 9 bits...can this be changed to that?
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MSG_WriteDelta( msg, from->weapon, to->weapon, 8 );
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}
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/*
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=====================
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MSG_ReadDeltaUsercmd
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=====================
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*/
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void MSG_ReadDeltaUsercmd( msg_t *msg, usercmd_t *from, usercmd_t *to ) {
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to->serverTime = MSG_ReadDelta( msg, from->serverTime, 32);
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to->angles[0] = MSG_ReadDelta( msg, from->angles[0], 16);
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to->angles[1] = MSG_ReadDelta( msg, from->angles[1], 16);
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to->angles[2] = MSG_ReadDelta( msg, from->angles[2], 16);
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to->forwardmove = MSG_ReadDelta( msg, from->forwardmove, -8);
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to->rightmove = MSG_ReadDelta( msg, from->rightmove, -8);
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to->upmove = MSG_ReadDelta( msg, from->upmove, -8);
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to->buttons = MSG_ReadDelta( msg, from->buttons, 16);//FIXME: We're only really using 9 bits...can this be changed to that?
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to->weapon = MSG_ReadDelta( msg, from->weapon, 8);
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}
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/*
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=============================================================================
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entityState_t communication
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=============================================================================
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*/
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typedef struct {
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char *name;
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int offset;
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int bits; // 0 = float
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} netField_t;
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// using the stringizing operator to save typing...
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#define NETF(x) #x,(int)&((entityState_t*)0)->x
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const netField_t entityStateFields[] =
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{
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{ NETF(eType), 8 },
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{ NETF(eFlags), 32 },
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{ NETF(pos.trType), 8 },
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{ NETF(pos.trTime), 32 },
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{ NETF(pos.trDuration), 32 },
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{ NETF(pos.trBase[0]), 0 },
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{ NETF(pos.trBase[1]), 0 },
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{ NETF(pos.trBase[2]), 0 },
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{ NETF(pos.trDelta[0]), 0 },
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{ NETF(pos.trDelta[1]), 0 },
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{ NETF(pos.trDelta[2]), 0 },
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{ NETF(apos.trType), 8 },
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{ NETF(apos.trTime), 32 },
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{ NETF(apos.trDuration), 32 },
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{ NETF(apos.trBase[0]), 0 },
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{ NETF(apos.trBase[1]), 0 },
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{ NETF(apos.trBase[2]), 0 },
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{ NETF(apos.trDelta[0]), 0 },
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{ NETF(apos.trDelta[1]), 0 },
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{ NETF(apos.trDelta[2]), 0 },
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{ NETF(time), 32 },
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{ NETF(time2), 32 },
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{ NETF(origin[0]), 0 },
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{ NETF(origin[1]), 0 },
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{ NETF(origin[2]), 0 },
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{ NETF(origin2[0]), 0 },
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{ NETF(origin2[1]), 0 },
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{ NETF(origin2[2]), 0 },
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{ NETF(angles[0]), 0 },
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{ NETF(angles[1]), 0 },
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{ NETF(angles[2]), 0 },
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{ NETF(angles2[0]), 0 },
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{ NETF(angles2[1]), 0 },
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{ NETF(angles2[2]), 0 },
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{ NETF(otherEntityNum), GENTITYNUM_BITS },
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{ NETF(otherEntityNum2), GENTITYNUM_BITS },
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{ NETF(groundEntityNum), GENTITYNUM_BITS },
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{ NETF(constantLight), 32 },
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{ NETF(loopSound), 16 },
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{ NETF(modelindex), 9 }, //0 to 511
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{ NETF(modelindex2), 8 },
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{ NETF(modelindex3), 8 },
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{ NETF(clientNum), 32 },
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{ NETF(frame), 16 },
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{ NETF(solid), 24 },
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{ NETF(event), 10 },
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{ NETF(eventParm), 16 },
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{ NETF(powerups), 16 },
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{ NETF(weapon), 8 },
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{ NETF(legsAnim), 16 },
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{ NETF(legsAnimTimer), 8 },
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{ NETF(torsoAnim), 16 },
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{ NETF(torsoAnimTimer), 8 },
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{ NETF(scale), 8 },
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{ NETF(pushVec[0]), 0 },
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{ NETF(pushVec[1]), 0 },
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{ NETF(pushVec[2]), 0 },
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{ NETF(saberInFlight), 4 },
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{ NETF(saberActive), 4 },
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{ NETF(vehicleModel), 32 },
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/*
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Ghoul2 Insert Start
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*/
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{ NETF(modelScale[0]), 0 },
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{ NETF(modelScale[1]), 0 },
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{ NETF(modelScale[2]), 0 },
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{ NETF(radius), 16 },
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{ NETF(boltInfo), 32 },
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//{ NETF(ghoul2), 32 },
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|
|
|
|
//loadsavecrash
|
|
//#if _DEBUG
|
|
//
|
|
//{ NETF(mins[0]), 0 },
|
|
//{ NETF(mins[1]), 0 },
|
|
//{ NETF(mins[2]), 0 },
|
|
//{ NETF(maxs[0]), 0 },
|
|
//{ NETF(maxs[1]), 0 },
|
|
//{ NETF(maxs[2]), 0 }
|
|
//#endif
|
|
|
|
|
|
};
|
|
|
|
|
|
// 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))
|
|
|
|
void MSG_WriteField (msg_t *msg, const int *toF, const netField_t *field)
|
|
{
|
|
int trunc;
|
|
float fullFloat;
|
|
|
|
if ( field->bits == -1)
|
|
{ // a -1 in the bits field means it's a float that's always between -1 and 1
|
|
int temp = *(float *)toF * 32767;
|
|
MSG_WriteBits( msg, temp, -16 );
|
|
}
|
|
else
|
|
if ( field->bits == 0 ) {
|
|
// float
|
|
fullFloat = *(float *)toF;
|
|
trunc = (int)fullFloat;
|
|
|
|
if (fullFloat == 0.0f) {
|
|
MSG_WriteBits( msg, 0, 1 ); //it's a zero
|
|
} else {
|
|
MSG_WriteBits( msg, 1, 1 ); //not a zero
|
|
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 ); //it's a zero
|
|
} else {
|
|
MSG_WriteBits( msg, 1, 1 ); //not a zero
|
|
// integer
|
|
MSG_WriteBits( msg, *toF, field->bits );
|
|
}
|
|
}
|
|
}
|
|
|
|
void MSG_ReadField (msg_t *msg, int *toF, const netField_t *field, int print)
|
|
{
|
|
int trunc;
|
|
|
|
if ( field->bits == -1)
|
|
{ // a -1 in the bits field means it's a float that's always between -1 and 1
|
|
int temp = MSG_ReadBits( msg, -16);
|
|
*(float *)toF = (float)temp / 32767;
|
|
}
|
|
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 );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
==================
|
|
MSG_WriteDeltaEntity
|
|
|
|
|
|
GENTITYNUM_BITS 1 : remove this entity
|
|
GENTITYNUM_BITS 0 1 SMALL_VECTOR_BITS <data>
|
|
GENTITYNUM_BITS 0 0 LARGE_VECTOR_BITS >data>
|
|
|
|
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 c;
|
|
int i;
|
|
const netField_t *field;
|
|
int *fromF, *toF;
|
|
int blah;
|
|
bool stuffChanged = false;
|
|
const int numFields = sizeof(entityStateFields)/sizeof(entityStateFields[0]);
|
|
byte changeVector[(numFields/8) + 1];
|
|
|
|
|
|
// 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
|
|
blah = sizeof( *from );
|
|
assert( numFields + 1 == blah/4);
|
|
|
|
c = msg->cursize;
|
|
|
|
// 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 );
|
|
}
|
|
|
|
memset(changeVector, 0, sizeof(changeVector));
|
|
|
|
// 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 ) {
|
|
changeVector[ i>>3 ] |= 1 << ( i & 7 );
|
|
stuffChanged = true;
|
|
}
|
|
}
|
|
|
|
if ( stuffChanged )
|
|
{
|
|
MSG_WriteBits( msg, to->number, GENTITYNUM_BITS );
|
|
MSG_WriteBits( msg, 0, 1 ); // not removed
|
|
MSG_WriteBits( msg, 1, 1 ); // we have a delta
|
|
|
|
// we need to write the entire delta
|
|
for ( i = 0 ; i + 8 <= numFields ; i += 8 ) {
|
|
MSG_WriteByte( msg, changeVector[i>>3] );
|
|
}
|
|
if ( numFields & 7 ) {
|
|
MSG_WriteBits( msg, changeVector[i>>3], numFields & 7 );
|
|
}
|
|
|
|
for ( i = 0, field = entityStateFields ; i < numFields ; i++, field++ ) {
|
|
fromF = (int *)( (byte *)from + field->offset );
|
|
toF = (int *)( (byte *)to + field->offset );
|
|
|
|
if ( *fromF == *toF ) {
|
|
continue;
|
|
}
|
|
|
|
MSG_WriteField(msg, toF, field);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// nothing at all changed
|
|
// 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
|
|
}
|
|
|
|
c = msg->cursize - c;
|
|
}
|
|
|
|
/*
|
|
==================
|
|
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;
|
|
const netField_t *field;
|
|
int *fromF, *toF;
|
|
int print = 0;
|
|
int startBit, endBit;
|
|
const int numFields = sizeof(entityStateFields)/sizeof(entityStateFields[0]);
|
|
byte expandedVector[(numFields/8) + 1];
|
|
|
|
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 ) {
|
|
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 )
|
|
{
|
|
const int numFields = sizeof(entityStateFields)/sizeof(entityStateFields[0]);
|
|
|
|
// 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;
|
|
}
|
|
|
|
// we need to write the entire delta
|
|
for ( i = 0 ; i + 8 <= numFields ; i += 8 ) {
|
|
expandedVector[i>>3] = MSG_ReadByte( msg );
|
|
}
|
|
if ( numFields & 7 ) {
|
|
expandedVector[i>>3] = MSG_ReadBits( msg, numFields & 7 );
|
|
}
|
|
|
|
to->number = number;
|
|
|
|
for ( i = 0, field = entityStateFields ; i < numFields ; i++, field++ ) {
|
|
fromF = (int *)( (byte *)from + field->offset );
|
|
toF = (int *)( (byte *)to + field->offset );
|
|
|
|
if ( ! ( expandedVector[ i >> 3 ] & ( 1 << ( i & 7 ) ) ) ) {
|
|
// no change
|
|
*toF = *fromF;
|
|
} else {
|
|
MSG_ReadField(msg, toF, field, print);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
memcpy(to, from,sizeof(entityState_t));
|
|
to->number = number;
|
|
}
|
|
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 );
|
|
}
|
|
}
|
|
|
|
/*
|
|
Ghoul2 Insert End
|
|
*/
|
|
|
|
/*
|
|
============================================================================
|
|
|
|
plyer_state_t communication
|
|
|
|
============================================================================
|
|
*/
|
|
|
|
// using the stringizing operator to save typing...
|
|
#define PSF(x) #x,(int)&((playerState_t*)0)->x
|
|
|
|
static const netField_t playerStateFields[] =
|
|
{
|
|
{ PSF(commandTime), 32 },
|
|
{ PSF(pm_type), 8 },
|
|
{ PSF(bobCycle), 8 },
|
|
{ PSF(pm_flags), 17 },
|
|
{ PSF(pm_time), -16 },
|
|
{ PSF(origin[0]), 0 },
|
|
{ PSF(origin[1]), 0 },
|
|
{ PSF(origin[2]), 0 },
|
|
{ PSF(velocity[0]), 0 },
|
|
{ PSF(velocity[1]), 0 },
|
|
{ PSF(velocity[2]), 0 },
|
|
{ PSF(weaponTime), -16 },
|
|
{ PSF(weaponChargeTime), 32 }, //? really need 32 bits??
|
|
{ PSF(gravity), 16 },
|
|
{ PSF(leanofs), -8 },
|
|
{ PSF(friction), 16 },
|
|
{ PSF(speed), 16 },
|
|
{ PSF(delta_angles[0]), 16 },
|
|
{ PSF(delta_angles[1]), 16 },
|
|
{ PSF(delta_angles[2]), 16 },
|
|
{ PSF(groundEntityNum), GENTITYNUM_BITS },
|
|
//{ PSF(animationTimer), 16 },
|
|
{ PSF(legsAnim), 16 },
|
|
{ PSF(torsoAnim), 16 },
|
|
{ PSF(movementDir), 4 },
|
|
{ PSF(eFlags), 32 },
|
|
{ PSF(eventSequence), 16 },
|
|
{ PSF(events[0]), 8 },
|
|
{ PSF(events[1]), 8 },
|
|
{ PSF(eventParms[0]), 8 },
|
|
{ PSF(eventParms[1]), 8 },
|
|
{ PSF(externalEvent), 8 },
|
|
{ PSF(externalEventParm), 8 },
|
|
{ PSF(clientNum), 32 },
|
|
{ PSF(weapon), 5 },
|
|
{ PSF(weaponstate), 4 },
|
|
{ PSF(batteryCharge), 16 },
|
|
{ PSF(viewangles[0]), 0 },
|
|
{ PSF(viewangles[1]), 0 },
|
|
{ PSF(viewangles[2]), 0 },
|
|
{ PSF(viewheight), -8 },
|
|
{ PSF(damageEvent), 8 },
|
|
{ PSF(damageYaw), 8 },
|
|
{ PSF(damagePitch), -8 },
|
|
{ PSF(damageCount), 8 },
|
|
{ PSF(saberColor), 8 },
|
|
{ PSF(saberActive), 8 },
|
|
{ PSF(saberLength), 32 },
|
|
{ PSF(saberLengthMax), 32 },
|
|
{ PSF(forcePowersActive), 32},
|
|
{ PSF(saberInFlight), 8 },
|
|
{ PSF(vehicleModel), 32 },
|
|
{ PSF(viewEntity), 32 },
|
|
};
|
|
|
|
/*
|
|
=============
|
|
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;
|
|
const netField_t *field;
|
|
int *fromF, *toF;
|
|
|
|
if (!from) {
|
|
from = &dummy;
|
|
memset (&dummy, 0, sizeof(dummy));
|
|
}
|
|
|
|
c = msg->cursize;
|
|
|
|
numFields = sizeof( playerStateFields ) / sizeof( playerStateFields[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 ) {
|
|
MSG_WriteBits( msg, 0, 1 ); // no change
|
|
continue;
|
|
}
|
|
|
|
MSG_WriteBits( msg, 1, 1 ); // changed
|
|
MSG_WriteField (msg, toF, field);
|
|
}
|
|
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;
|
|
}
|
|
}
|
|
if ( statsbits ) {
|
|
MSG_WriteBits( msg, 1, 1 ); // changed
|
|
MSG_WriteShort( msg, statsbits );
|
|
for (i=0 ; i<MAX_STATS ; i++)
|
|
if (statsbits & (1<<i) )
|
|
MSG_WriteSShort (msg, to->stats[i]);
|
|
} else {
|
|
MSG_WriteBits( msg, 0, 1 ); // no change
|
|
}
|
|
|
|
|
|
persistantbits = 0;
|
|
for (i=0 ; i<MAX_PERSISTANT ; i++) {
|
|
if (to->persistant[i] != from->persistant[i]) {
|
|
persistantbits |= 1<<i;
|
|
}
|
|
}
|
|
if ( persistantbits ) {
|
|
MSG_WriteBits( msg, 1, 1 ); // changed
|
|
MSG_WriteShort( msg, persistantbits );
|
|
for (i=0 ; i<MAX_PERSISTANT ; i++)
|
|
if (persistantbits & (1<<i) )
|
|
MSG_WriteSShort (msg, to->persistant[i]);
|
|
} else {
|
|
MSG_WriteBits( msg, 0, 1 ); // no change
|
|
}
|
|
|
|
|
|
ammobits = 0;
|
|
for (i=0 ; i<MAX_AMMO ; i++) {
|
|
if (to->ammo[i] != from->ammo[i]) {
|
|
ammobits |= 1<<i;
|
|
}
|
|
}
|
|
if ( ammobits ) {
|
|
MSG_WriteBits( msg, 1, 1 ); // changed
|
|
MSG_WriteShort( msg, ammobits );
|
|
for (i=0 ; i<MAX_AMMO ; i++)
|
|
if (ammobits & (1<<i) )
|
|
MSG_WriteSShort (msg, to->ammo[i]);
|
|
} else {
|
|
MSG_WriteBits( msg, 0, 1 ); // no change
|
|
}
|
|
|
|
powerupbits = 0;
|
|
for (i=0 ; i<MAX_POWERUPS ; i++) {
|
|
if (to->powerups[i] != from->powerups[i]) {
|
|
powerupbits |= 1<<i;
|
|
}
|
|
}
|
|
if ( powerupbits ) {
|
|
MSG_WriteBits( msg, 1, 1 ); // changed
|
|
MSG_WriteShort( msg, powerupbits );
|
|
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
|
|
}
|
|
|
|
|
|
statsbits = 0;
|
|
for (i=0 ; i<MAX_INVENTORY ; i++)
|
|
{
|
|
if (to->inventory[i] != from->inventory[i])
|
|
{
|
|
statsbits |= 1<<i;
|
|
}
|
|
}
|
|
if ( statsbits )
|
|
{
|
|
MSG_WriteBits( msg, 1, 1 ); // changed
|
|
MSG_WriteShort( msg, statsbits );
|
|
for (i=0 ; i<MAX_INVENTORY ; i++)
|
|
{
|
|
if (statsbits & (1<<i) )
|
|
{
|
|
MSG_WriteShort (msg, to->inventory[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;
|
|
int bits;
|
|
const netField_t *field;
|
|
int numFields;
|
|
int startBit, endBit;
|
|
int print;
|
|
int *fromF, *toF;
|
|
playerState_t dummy;
|
|
|
|
if ( !from ) {
|
|
from = &dummy;
|
|
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] );
|
|
for ( i = 0, field = playerStateFields ; i < numFields ; i++, field++ ) {
|
|
fromF = (int *)( (byte *)from + field->offset );
|
|
toF = (int *)( (byte *)to + field->offset );
|
|
|
|
if ( ! MSG_ReadBits( msg, 1 ) ) {
|
|
// no change
|
|
*toF = *fromF;
|
|
} else {
|
|
MSG_ReadField( msg, toF, field, print);
|
|
}
|
|
}
|
|
|
|
// read the arrays
|
|
|
|
// parse stats
|
|
if ( MSG_ReadBits( msg, 1 ) ) {
|
|
LOG("PS_STATS");
|
|
bits = MSG_ReadShort (msg);
|
|
for (i=0 ; i<MAX_STATS ; i++) {
|
|
if (bits & (1<<i) ) {
|
|
to->stats[i] = MSG_ReadSShort(msg);
|
|
}
|
|
}
|
|
}
|
|
|
|
// parse persistant stats
|
|
if ( MSG_ReadBits( msg, 1 ) ) {
|
|
LOG("PS_PERSISTANT");
|
|
bits = MSG_ReadShort (msg);
|
|
for (i=0 ; i<MAX_PERSISTANT ; i++) {
|
|
if (bits & (1<<i) ) {
|
|
to->persistant[i] = MSG_ReadSShort(msg);
|
|
}
|
|
}
|
|
}
|
|
|
|
// parse ammo
|
|
if ( MSG_ReadBits( msg, 1 ) ) {
|
|
LOG("PS_AMMO");
|
|
bits = MSG_ReadShort (msg);
|
|
for (i=0 ; i<MAX_AMMO ; i++) {
|
|
if (bits & (1<<i) ) {
|
|
to->ammo[i] = MSG_ReadSShort(msg);
|
|
}
|
|
}
|
|
}
|
|
|
|
// parse powerups
|
|
if ( MSG_ReadBits( msg, 1 ) ) {
|
|
LOG("PS_POWERUPS");
|
|
bits = MSG_ReadShort (msg);
|
|
for (i=0 ; i<MAX_POWERUPS ; i++) {
|
|
if (bits & (1<<i) ) {
|
|
to->powerups[i] = MSG_ReadLong(msg);
|
|
}
|
|
}
|
|
}
|
|
|
|
// parse inventory
|
|
if ( MSG_ReadBits( msg, 1 ) ) {
|
|
LOG("PS_INVENTORY");
|
|
bits = MSG_ReadShort (msg);
|
|
for (i=0 ; i<MAX_INVENTORY ; i++) {
|
|
if (bits & (1<<i) ) {
|
|
to->inventory[i] = MSG_ReadShort(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 );
|
|
}
|
|
}
|
|
|
|
|
|
//===========================================================================
|