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engine: net_encode: split delta "no changes" copy into separate function

pull/2/head
Alibek Omarov 3 years ago
parent
2c74a633d0
commit
6e4ab74694
1 changed files with 88 additions and 98 deletions
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  1. 186
      engine/common/net_encode.c

186
engine/common/net_encode.c
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@ -1114,7 +1114,7 @@ assume from and to is valid @@ -1114,7 +1114,7 @@ assume from and to is valid
qboolean Delta_WriteField( sizebuf_t *msg, delta_t *pField, void *from, void *to, double timebase )
{
qboolean bSigned = ( pField->flags & DT_SIGNED ) ? true : false;
float flValue, flAngle, flTime;
float flValue, flAngle;
uint iValue;
const char *pStr;
@ -1204,6 +1204,53 @@ qboolean Delta_WriteField( sizebuf_t *msg, delta_t *pField, void *from, void *to @@ -1204,6 +1204,53 @@ qboolean Delta_WriteField( sizebuf_t *msg, delta_t *pField, void *from, void *to
return true;
}
/*
====================
Delta_CopyField
====================
*/
static void Delta_CopyField( delta_t *pField, void *from, void *to, double timebase )
{
qboolean bSigned = FBitSet( pField->flags, DT_SIGNED );
uint8_t *to_field = (uint8_t *)to + pField->offset;
uint8_t *from_field = (uint8_t *)from + pField->offset;
if( FBitSet( pField->flags, DT_BYTE ))
{
if( bSigned )
*(int8_t *)( to_field ) = *(int8_t *)( from_field );
else
*(uint8_t *)( to_field ) = *(uint8_t *)( from_field );
}
else if( FBitSet( pField->flags, DT_SHORT ))
{
if( bSigned )
*(int16_t *)( to_field ) = *(int16_t *)( from_field );
else
*(uint16_t *)( to_field ) = *(uint16_t *)( from_field );
}
else if( FBitSet( pField->flags, DT_INTEGER ))
{
if( bSigned )
*(int32_t *)( to_field ) = *(int32_t *)( from_field );
else
*(uint32_t *)( to_field ) = *(uint32_t *)( from_field );
}
else if( FBitSet( pField->flags, DT_FLOAT|DT_ANGLE|DT_TIMEWINDOW_8|DT_TIMEWINDOW_BIG ))
{
*(float *)( to_field ) = *(float *)( from_field );
}
else if( FBitSet( pField->flags, DT_STRING ))
{
Q_strncpy( to_field, from_field, pField->size );
}
else
{
Assert( 0 );
}
}
/*
=====================
Delta_ReadField
@ -1216,30 +1263,24 @@ qboolean Delta_ReadField( sizebuf_t *msg, delta_t *pField, void *from, void *to, @@ -1216,30 +1263,24 @@ qboolean Delta_ReadField( sizebuf_t *msg, delta_t *pField, void *from, void *to,
{
qboolean bSigned = ( pField->flags & DT_SIGNED ) ? true : false;
float flValue, flAngle, flTime;
qboolean bChanged;
uint iValue;
const char *pStr;
char *pOut;
bChanged = MSG_ReadOneBit( msg );
if( !MSG_ReadOneBit( msg ) )
{
Delta_CopyField( pField, from, to, timebase );
return false;
}
Assert( pField->multiplier != 0.0f );
if( pField->flags & DT_BYTE )
{
if( bChanged )
{
iValue = MSG_ReadBitLong( msg, pField->bits, bSigned );
if( !Q_equal( pField->multiplier, 1.0 ) )
iValue /= pField->multiplier;
}
else
{
if( bSigned )
iValue = *(int8_t *)((uint8_t *)from + pField->offset );
else
iValue = *(uint8_t *)((uint8_t *)from + pField->offset );
}
iValue = MSG_ReadBitLong( msg, pField->bits, bSigned );
if( !Q_equal( pField->multiplier, 1.0 ) )
iValue /= pField->multiplier;
if( bSigned )
*(int8_t *)((uint8_t *)to + pField->offset ) = iValue;
else
@ -1247,19 +1288,10 @@ qboolean Delta_ReadField( sizebuf_t *msg, delta_t *pField, void *from, void *to, @@ -1247,19 +1288,10 @@ qboolean Delta_ReadField( sizebuf_t *msg, delta_t *pField, void *from, void *to,
}
else if( pField->flags & DT_SHORT )
{
if( bChanged )
{
iValue = MSG_ReadBitLong( msg, pField->bits, bSigned );
if( !Q_equal( pField->multiplier, 1.0 ) )
iValue /= pField->multiplier;
}
else
{
if( bSigned )
iValue = *(int16_t *)((uint8_t *)from + pField->offset );
else
iValue = *(uint16_t *)((uint8_t *)from + pField->offset );
}
iValue = MSG_ReadBitLong( msg, pField->bits, bSigned );
if( !Q_equal( pField->multiplier, 1.0 ) )
iValue /= pField->multiplier;
if( bSigned )
*(int16_t *)((uint8_t *)to + pField->offset ) = iValue;
else
@ -1267,19 +1299,10 @@ qboolean Delta_ReadField( sizebuf_t *msg, delta_t *pField, void *from, void *to, @@ -1267,19 +1299,10 @@ qboolean Delta_ReadField( sizebuf_t *msg, delta_t *pField, void *from, void *to,
}
else if( pField->flags & DT_INTEGER )
{
if( bChanged )
{
iValue = MSG_ReadBitLong( msg, pField->bits, bSigned );
if( !Q_equal( pField->multiplier, 1.0 ) )
iValue /= pField->multiplier;
}
else
{
if( bSigned )
iValue = *(int32_t *)((uint8_t *)from + pField->offset );
else
iValue = *(uint32_t *)((uint8_t *)from + pField->offset );
}
iValue = MSG_ReadBitLong( msg, pField->bits, bSigned );
if( !Q_equal( pField->multiplier, 1.0 ) )
iValue /= pField->multiplier;
if( bSigned )
*(int32_t *)((uint8_t *)to + pField->offset ) = iValue;
else
@ -1287,85 +1310,52 @@ qboolean Delta_ReadField( sizebuf_t *msg, delta_t *pField, void *from, void *to, @@ -1287,85 +1310,52 @@ qboolean Delta_ReadField( sizebuf_t *msg, delta_t *pField, void *from, void *to,
}
else if( pField->flags & DT_FLOAT )
{
if( bChanged )
{
iValue = MSG_ReadBitLong( msg, pField->bits, bSigned );
if( bSigned )
flValue = (int)iValue;
else
flValue = iValue;
iValue = MSG_ReadBitLong( msg, pField->bits, bSigned );
if( bSigned )
flValue = (int)iValue;
else
flValue = iValue;
if( !Q_equal( pField->multiplier, 1.0 ) )
flValue = flValue / pField->multiplier;
if( !Q_equal( pField->multiplier, 1.0 ) )
flValue = flValue / pField->multiplier;
if( !Q_equal( pField->post_multiplier, 1.0 ) )
flValue = flValue * pField->post_multiplier;
if( !Q_equal( pField->post_multiplier, 1.0 ) )
flValue = flValue * pField->post_multiplier;
}
else
{
flValue = *(float *)((byte *)from + pField->offset );
}
*(float *)((byte *)to + pField->offset ) = flValue;
}
else if( pField->flags & DT_ANGLE )
{
if( bChanged )
{
flAngle = MSG_ReadBitAngle( msg, pField->bits );
}
else
{
flAngle = *(float *)((byte *)from + pField->offset );
}
flAngle = MSG_ReadBitAngle( msg, pField->bits );
*(float *)((byte *)to + pField->offset ) = flAngle;
}
else if( pField->flags & DT_TIMEWINDOW_8 )
{
if( bChanged )
{
bSigned = true; // timewindow is always signed
iValue = MSG_ReadBitLong( msg, pField->bits, bSigned );
flTime = (timebase * 100.0 - iValue) / 100.0;
}
else
{
flTime = *(float *)((byte *)from + pField->offset );
}
bSigned = true; // timewindow is always signed
iValue = MSG_ReadBitLong( msg, pField->bits, bSigned );
flTime = (timebase * 100.0 - iValue) / 100.0;
*(float *)((byte *)to + pField->offset ) = flTime;
}
else if( pField->flags & DT_TIMEWINDOW_BIG )
{
if( bChanged )
{
bSigned = true; // timewindow is always signed
iValue = MSG_ReadBitLong( msg, pField->bits, bSigned );
bSigned = true; // timewindow is always signed
iValue = MSG_ReadBitLong( msg, pField->bits, bSigned );
if( !Q_equal( pField->multiplier, 1.0 ) )
flTime = ( timebase * pField->multiplier - iValue ) / pField->multiplier;
else
flTime = timebase - iValue;
}
if( !Q_equal( pField->multiplier, 1.0 ) )
flTime = ( timebase * pField->multiplier - iValue ) / pField->multiplier;
else
{
flTime = *(float *)((byte *)from + pField->offset );
}
flTime = timebase - iValue;
*(float *)((byte *)to + pField->offset ) = flTime;
}
else if( pField->flags & DT_STRING )
{
if( bChanged )
{
pStr = MSG_ReadString( msg );
}
else
{
pStr = (char *)((byte *)from + pField->offset );
}
pStr = MSG_ReadString( msg );
pOut = (char *)((byte *)to + pField->offset );
Q_strncpy( pOut, pStr, pField->size );
}
return bChanged;
return true;
}
/*

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