void CHLTVClientState::CopyNewEntity(
CEntityReadInfo &u,
int iClass,
int iSerialNum
)
{
ServerClass *pServerClass = SV_FindServerClass( iClass );
Assert( pServerClass );
ClientClass *pClientClass = GetClientClass( iClass );
Assert( pClientClass );
const int ent = u.m_nNewEntity;
// copy class & serial
CFrameSnapshot *pSnapshot = u.m_pTo->GetSnapshot();
pSnapshot->m_pEntities[ent].m_nSerialNumber = iSerialNum;
pSnapshot->m_pEntities[ent].m_pClass = pServerClass;
// Get either the static or instance baseline.
const void *pFromData = NULL;
int nFromBits = 0;
int nFromTick = 0; // MOTODO get tick when baseline last changed
PackedEntity *baseline = u.m_bAsDelta ? GetEntityBaseline( u.m_nBaseline, ent ) : NULL;
if ( baseline && baseline->m_pClientClass == pClientClass )
{
Assert( !baseline->IsCompressed() );
pFromData = baseline->GetData();
nFromBits = baseline->GetNumBits();
}
else
{
// Every entity must have a static or an instance baseline when we get here.
ErrorIfNot(
GetClassBaseline( iClass, &pFromData, &nFromBits ),
("HLTV_CopyNewEntity: GetDynamicBaseline(%d) failed.", iClass)
);
nFromBits *= 8; // convert to bits
}
// create new ChangeFrameList containing all properties set as changed
int nFlatProps = SendTable_GetNumFlatProps( pServerClass->m_pTable );
IChangeFrameList *pChangeFrame = NULL;
if ( !m_bSaveMemory )
{
pChangeFrame = AllocChangeFrameList( nFlatProps, nFromTick );
}
// Now make a PackedEntity and store the new packed data in there.
PackedEntity *pPackedEntity = framesnapshotmanager->CreatePackedEntity( pSnapshot, ent );
pPackedEntity->SetChangeFrameList( pChangeFrame );
pPackedEntity->SetServerAndClientClass( pServerClass, pClientClass );
// Make space for the baseline data.
char packedData[MAX_PACKEDENTITY_DATA];
bf_read fromBuf( "HLTV_ReadEnterPVS1", pFromData, Bits2Bytes( nFromBits ), nFromBits );
bf_write writeBuf( "HLTV_ReadEnterPVS2", packedData, sizeof( packedData ) );
int changedProps[MAX_DATATABLE_PROPS];
// decode basline, is compressed against zero values
int nChangedProps = RecvTable_MergeDeltas( pClientClass->m_pRecvTable, &fromBuf,
u.m_pBuf, &writeBuf, -1, false, changedProps );
// update change tick in ChangeFrameList
if ( pChangeFrame )
{
pChangeFrame->SetChangeTick( changedProps, nChangedProps, pSnapshot->m_nTickCount );
}
if ( u.m_bUpdateBaselines )
{
SetEntityBaseline( (u.m_nBaseline==0)?1:0, pClientClass, u.m_nNewEntity, packedData, writeBuf.GetNumBytesWritten() );
}
pPackedEntity->AllocAndCopyPadded( packedData, writeBuf.GetNumBytesWritten() );
// If ent doesn't think it's in PVS, signal that it is
Assert( u.m_pTo->last_entity <= ent );
u.m_pTo->last_entity = ent;
u.m_pTo->transmit_entity.Set( ent );
}
void CHLTVClientState::ReadDeltaEnt( CEntityReadInfo &u )
{
const int i = u.m_nNewEntity;
CFrameSnapshot *pFromSnapshot = u.m_pFrom->GetSnapshot();
CFrameSnapshot *pSnapshot = u.m_pTo->GetSnapshot();
Assert( i < pFromSnapshot->m_nNumEntities );
pSnapshot->m_pEntities[i] = pFromSnapshot->m_pEntities[i];
PackedEntity *pToPackedEntity = framesnapshotmanager->CreatePackedEntity( pSnapshot, i );
// WARNING! get pFromPackedEntity after new pPackedEntity has been created, otherwise pointer may be wrong
PackedEntity *pFromPackedEntity = framesnapshotmanager->GetPackedEntity( pFromSnapshot, i );
pToPackedEntity->SetServerAndClientClass( pFromPackedEntity->m_pServerClass, pFromPackedEntity->m_pClientClass );
// create a copy of the pFromSnapshot ChangeFrameList
IChangeFrameList* pChangeFrame = NULL;
if ( !m_bSaveMemory )
{
pChangeFrame = pFromPackedEntity->GetChangeFrameList()->Copy();
pToPackedEntity->SetChangeFrameList( pChangeFrame );
}
// Make space for the baseline data.
char packedData[MAX_PACKEDENTITY_DATA];
const void *pFromData;
int nFromBits;
if ( pFromPackedEntity->IsCompressed() )
{
pFromData = m_pHLTV->UncompressPackedEntity( pFromPackedEntity, nFromBits );
}
else
{
pFromData = pFromPackedEntity->GetData();
nFromBits = pFromPackedEntity->GetNumBits();
}
bf_read fromBuf( "HLTV_ReadEnterPVS1", pFromData, Bits2Bytes( nFromBits ), nFromBits );
bf_write writeBuf( "HLTV_ReadEnterPVS2", packedData, sizeof( packedData ) );
int changedProps[MAX_DATATABLE_PROPS];
// decode baseline, is compressed against zero values
int nChangedProps = RecvTable_MergeDeltas( pToPackedEntity->m_pClientClass->m_pRecvTable,
&fromBuf, u.m_pBuf, &writeBuf, -1, false, changedProps );
// update change tick in ChangeFrameList
if ( pChangeFrame )
{
pChangeFrame->SetChangeTick( changedProps, nChangedProps, pSnapshot->m_nTickCount );
}
if ( m_bSaveMemory )
{
int bits = writeBuf.GetNumBitsWritten();
const char *compressedData = m_pHLTV->CompressPackedEntity(
pToPackedEntity->m_pServerClass,
(char*)writeBuf.GetData(),
bits );
// store as compressed data and don't use mem pools
pToPackedEntity->AllocAndCopyPadded( compressedData, Bits2Bytes(bits) );
pToPackedEntity->SetCompressed();
}
else
{
// store as normal
pToPackedEntity->AllocAndCopyPadded( packedData, writeBuf.GetNumBytesWritten() );
}
u.m_pTo->last_entity = u.m_nNewEntity;
u.m_pTo->transmit_entity.Set( u.m_nNewEntity );
u.NextOldEntity();
}