98 lines
3.2 KiB
C++
98 lines
3.2 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//=============================================================================//
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#ifndef DATATABLE_RECV_ENG_H
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#define DATATABLE_RECV_ENG_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include "dt_recv.h"
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#include "bitbuf.h"
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#include "dt.h"
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class CStandardSendProxies;
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// ------------------------------------------------------------------------------------------ //
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// RecvTable functions.
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// ------------------------------------------------------------------------------------------ //
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// These are the module startup and shutdown routines.
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bool RecvTable_Init( RecvTable **pTables, int nTables );
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void RecvTable_Term( bool clearall = true );
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// After calling RecvTable_Init to provide the list of RecvTables, call this
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// as the server sends its SendTables over. When bNeedsDecoder is specified,
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// it will precalculate the necessary data to actually decode this type of
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// SendTable from the server. nDemoProtocol = 0 means current version.
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bool RecvTable_RecvClassInfos( bf_read *pBuf, bool bNeedsDecoder, int nDemoProtocol = 0);
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// After ALL the SendTables have been received, call this and it will create CRecvDecoders
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// for all the SendTable->RecvTable matches it finds.
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// Returns false if there is an unrecoverable error.
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//
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// bAllowMismatches is true when playing demos back so we can change datatables without breaking demos.
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// If pAnyMisMatches is non-null, it will be set to true if the client's recv tables mismatched the server's ones.
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bool RecvTable_CreateDecoders( const CStandardSendProxies *pSendProxies, bool bAllowMismatches, bool *pAnyMismatches=NULL );
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// objectID gets passed into proxies and can be used to track data on particular objects.
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// NOTE: this function can ONLY decode a buffer outputted from RecvTable_MergeDeltas
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// or RecvTable_CopyEncoding because if the way it follows the exclude prop bits.
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bool RecvTable_Decode(
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RecvTable *pTable,
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void *pStruct,
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bf_read *pIn,
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int objectID,
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bool updateDTI = true
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);
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// This acts like a RecvTable_Decode() call where all properties are written and all their values are zero.
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void RecvTable_DecodeZeros( RecvTable *pTable, void *pStruct, int objectID );
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// This writes all pNewState properties into pOut.
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//
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// If pOldState is non-null and contains any properties that aren't in pNewState, then
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// those properties are written to the output as well. Returns # of changed props
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int RecvTable_MergeDeltas(
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RecvTable *pTable,
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bf_read *pOldState, // this can be null
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bf_read *pNewState,
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bf_write *pOut,
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int objectID = - 1,
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int *pChangedProps = NULL,
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bool updateDTI = false // enclude merge from newState in the DTI reports
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);
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// Just copies the bits from the bf_read into the bf_write (this function is used
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// when you don't know the length of the encoded data).
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void RecvTable_CopyEncoding(
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RecvTable *pRecvTable,
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bf_read *pIn,
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bf_write *pOut,
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int objectID
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);
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// ------------------------------------------------------------------------------------------ //
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// Globals
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// ------------------------------------------------------------------------------------------ //
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// This is incremented each time a property is decoded.
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extern int g_nPropsDecoded;
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#endif // DATATABLE_RECV_ENG_H
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