129 lines
3.5 KiB
C++
129 lines
3.5 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_SEND_ENG_H
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#define DATATABLE_SEND_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_send.h"
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#include "bitbuf.h"
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#include "utlmemory.h"
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typedef unsigned int CRC32_t;
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class CStandardSendProxies;
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#define MAX_DELTABITS_SIZE 2048
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// ------------------------------------------------------------------------ //
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// SendTable functions.
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// ------------------------------------------------------------------------ //
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// Precalculate data that enables the SendTable to be used to encode data.
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bool SendTable_Init( SendTable **pTables, int nTables );
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void SendTable_Term();
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CRC32_t SendTable_GetCRC();
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int SendTable_GetNum();
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SendTable *SendTabe_GetTable(int index);
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// Return the number of unique properties in the table.
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int SendTable_GetNumFlatProps( SendTable *pTable );
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// compares properties and writes delta properties
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int SendTable_WriteAllDeltaProps(
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const SendTable *pTable,
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const void *pFromData,
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const int nFromDataBits,
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const void *pToData,
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const int nToDataBits,
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const int nObjectID,
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bf_write *pBufOut );
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// Write the properties listed in pCheckProps and nCheckProps.
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void SendTable_WritePropList(
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const SendTable *pTable,
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const void *pState,
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const int nBits,
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bf_write *pOut,
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const int objectID,
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const int *pCheckProps,
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const int nCheckProps
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);
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//
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// Writes the property indices that must be written to move from pFromState to pToState into pDeltaProps.
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// Returns the number of indices written to pDeltaProps.
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//
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int SendTable_CalcDelta(
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const SendTable *pTable,
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const void *pFromState,
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const int nFromBits,
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const void *pToState,
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const int nToBits,
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int *pDeltaProps,
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int nMaxDeltaProps,
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const int objectID );
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// This function takes the list of property indices in startProps and the values from
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// SendProxies in pProxyResults, and fills in a new array in outProps with the properties
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// that the proxies want to allow for iClient's client.
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//
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// If pOldStateProxies is non-null, this function adds new properties into the output list
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// if a proxy has turned on from the previous state.
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int SendTable_CullPropsFromProxies(
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const SendTable *pTable,
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const int *pStartProps,
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int nStartProps,
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const int iClient,
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const CSendProxyRecipients *pOldStateProxies,
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const int nOldStateProxies,
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const CSendProxyRecipients *pNewStateProxies,
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const int nNewStateProxies,
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int *pOutProps,
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int nMaxOutProps
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);
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// Encode the properties that are referenced in the delta bits.
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// If pDeltaBits is NULL, then all the properties are encoded.
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bool SendTable_Encode(
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const SendTable *pTable,
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const void *pStruct,
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bf_write *pOut,
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int objectID = -1,
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CUtlMemory<CSendProxyRecipients> *pRecipients = NULL, // If non-null, this is an array of CSendProxyRecipients.
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// The array must have room for pTable->GetNumDataTableProxies().
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bool bNonZeroOnly = false // If this is true, then it will write all properties that have
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// nonzero values.
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);
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// In order to receive a table, you must send it from the server and receive its info
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// on the client so the client knows how to unpack it.
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bool SendTable_WriteInfos( SendTable *pTable, bf_write *pBuf );
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// do all kinds of checks on a packed entity bitbuffer
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bool SendTable_CheckIntegrity( SendTable *pTable, const void *pData, const int nDataBits );
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#endif // DATATABLE_SEND_ENG_H
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