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360 lines
14 KiB
360 lines
14 KiB
//========= Copyright © 1996-2005, 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 PREDICTIONCOPY_H
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#define PREDICTIONCOPY_H
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#ifdef _WIN32
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#pragma once
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#endif
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#ifndef _PS3
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#include <memory.h>
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#endif
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#include "datamap.h"
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#include "ehandle.h"
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#include "tier1/utlstring.h"
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#include "tier1/utlrbtree.h"
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#include "tier1/utlstack.h"
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#if defined( CLIENT_DLL )
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class C_BaseEntity;
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typedef CHandle<C_BaseEntity> EHANDLE;
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// #define COPY_CHECK_STRESSTEST
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#if defined( COPY_CHECK_STRESSTEST )
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class IGameSystem;
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IGameSystem* GetPredictionCopyTester( void );
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#endif
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#else
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class CBaseEntity;
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typedef CHandle<CBaseEntity> EHANDLE;
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#endif
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typedef void ( *FN_FIELD_COMPARE )( const char *classname, const char *fieldname, const char *fieldtype,
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bool networked, bool noterrorchecked, bool differs, bool withintolerance, const char *value );
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// Each datamap_t is broken down into two flattened arrays of fields,
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// one for PC_NETWORKED_DATA and one for PC_NON_NETWORKED_ONLY (optimized_datamap_t::datamapinfo_t::flattenedoffsets_t)
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// Each flattened array is sorted by offset for better cache performance
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// Finally, contiguous "runs" off offsets are precomputed (optimized_datamap_t::datamapinfo_t::datacopyruns_t) for fast copy operations
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// A data run is a set of DEFINE_PRED_FIELD fields in a c++ object which are contiguous and can be processing
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// using a single memcpy operation
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struct datarun_t
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{
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datarun_t() : m_nStartFlatField( 0 ), m_nEndFlatField( 0 ), m_nLength( 0 )
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{
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for ( int i = 0 ; i < TD_OFFSET_COUNT; ++i )
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{
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m_nStartOffset[ i ] = 0;
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#ifdef _GAMECONSOLE
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// These are the offsets of the next run, for priming the L1 cache
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m_nPrefetchOffset[ i ] = 0;
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#endif
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}
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}
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// Indices of start/end fields in the flattened typedescription_t list
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int m_nStartFlatField;
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int m_nEndFlatField;
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// Offsets for run in the packed/unpacked data (I think the run starts need to be properly aligned)
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int m_nStartOffset[ TD_OFFSET_COUNT ];
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#ifdef _GAMECONSOLE
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// These are the offsets of the next run, for priming the L1 cache
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int m_nPrefetchOffset[ TD_OFFSET_COUNT ];
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#endif
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int m_nLength;
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};
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struct datacopyruns_t
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{
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public:
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CUtlVector< datarun_t > m_vecRuns;
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};
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struct flattenedoffsets_t
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{
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CUtlVector< typedescription_t > m_Flattened;
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int m_nPackedSize; // Contiguous memory to pack all of these together for TD_OFFSET_PACKED
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int m_nPackedStartOffset;
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};
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struct datamapinfo_t
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{
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// Flattened list, with FIELD_EMBEDDED, FTYPEDESC_PRIVATE,
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// and FTYPEDESC_OVERRIDE (overridden) fields removed
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flattenedoffsets_t m_Flat;
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datacopyruns_t m_CopyRuns;
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};
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struct optimized_datamap_t
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{
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// Optimized info for PC_NON_NETWORKED and PC_NETWORKED data
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datamapinfo_t m_Info[ PC_COPYTYPE_COUNT ];
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};
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class CPredictionCopy
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{
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public:
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typedef enum
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{
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DIFFERS = 0,
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IDENTICAL,
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WITHINTOLERANCE,
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} difftype_t;
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typedef enum
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{
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TRANSFERDATA_COPYONLY = 0, // Data copying only (uses runs)
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TRANSFERDATA_ERRORCHECK_NOSPEW, // Checks for errors, returns after first error found
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TRANSFERDATA_ERRORCHECK_SPEW, // checks for errors, reports all errors to console
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TRANSFERDATA_ERRORCHECK_DESCRIBE, // used by hud_pdump, dumps values, etc, for all fields
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} optype_t;
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CPredictionCopy( int type, byte *dest, bool dest_packed, const byte *src, bool src_packed,
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optype_t opType, FN_FIELD_COMPARE func = NULL );
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int TransferData( const char *operation, int entindex, datamap_t *dmap );
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static bool PrepareDataMap( datamap_t *dmap );
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static const typedescription_t *FindFlatFieldByName( const char *fieldname, const datamap_t *dmap );
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private:
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// Operations:
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void TransferDataCopyOnly( const datamap_t *dmap );
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void TransferDataErrorCheckNoSpew( char const *pchOperation, const datamap_t *dmap );
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void TransferDataErrorCheckSpew( char const *pchOperation, const datamap_t *dmap );
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void TransferDataDescribe( char const *pchOperation, const datamap_t *dmap );
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// Report function
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void ReportFieldsDiffer( const datamap_t *pCurrentMap, const typedescription_t *pField, PRINTF_FORMAT_STRING const char *fmt, ... );
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void OutputFieldDescription( const datamap_t *pCurrentMap, const typedescription_t *pField, difftype_t dt, PRINTF_FORMAT_STRING const char *fmt, ... );
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// Helper for TransferDataCopyOnly
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void CopyFlatFieldsUsingRuns( const datamap_t *pCurrentMap, int nPredictionCopyType );
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void CopyFlatFields( const datamap_t *pCurrentMap, int nPredictionCopyType );
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template< class T >
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FORCEINLINE void CopyField( difftype_t difftype, T *outvalue, const T *invalue, int count );
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// Helper for TransferDataErrorCheckNoSpew
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void ErrorCheckFlatFields_NoSpew( const datamap_t *pCurrentMap, int nPredictionCopyType );
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template< class T >
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FORCEINLINE void ProcessField_Compare_NoSpew( const datamap_t *pCurrentMap, const typedescription_t *pField, const T *pOutputData, const T *pInputData, int fieldSize );
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// Helper for TransferDataErrorCheckSpew
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void ErrorCheckFlatFields_Spew( const datamap_t *pCurrentMap, int nPredictionCopyType );
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template< class T >
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FORCEINLINE void ProcessField_Compare_Spew( const datamap_t *pCurrentMap, const typedescription_t *pField, const T *pOutputData, const T *pInputData, int fieldSize );
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// Helper for TransferDataDescribe
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void DescribeFields( const CUtlVector< const datamap_t * > &vecGroups, const datamap_t *pCurrentMap, int nPredictionCopyType );
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// Main entry point
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template< class T >
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FORCEINLINE void ProcessField_Describe( const datamap_t *pCurrentMap, const typedescription_t *pField, const T *pOutputData, const T *pInputData, int fieldSize );
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// Helpers for entity field watcher
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void DetermineWatchField( const char *operation, int entindex, const datamap_t *dmap );
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void WatchMsg( const typedescription_t *pField, PRINTF_FORMAT_STRING const char *fmt, ... );
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void DumpWatchField( const typedescription_t *pField, const byte *outvalue, int count );
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template< class T >
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FORCEINLINE void WatchField( const typedescription_t *pField, const T *outvalue, int count );
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// Helper for ErrorCheck ops
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template< class T >
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FORCEINLINE difftype_t CompareField( const typedescription_t *pField, const T *outvalue, const T *invalue, int count );
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// Used by TRANSFERDATA_ERRORCHECK_SPEW and by TRANSFERDATA_ERRORCHECK_DESCRIBE
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template< class T >
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FORCEINLINE void DescribeField( const datamap_t *pCurrentMap, const typedescription_t *pField, difftype_t difftype, const T *outvalue, const T *invalue, int count );
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private:
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optype_t m_OpType;
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int m_nType;
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byte *m_pDest;
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const byte *m_pSrc;
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int m_nDestOffsetIndex;
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int m_nSrcOffsetIndex;
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int m_nErrorCount;
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int m_nEntIndex;
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FN_FIELD_COMPARE m_FieldCompareFunc;
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const typedescription_t *m_pWatchField;
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char const *m_pOperation;
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CUtlStack< const typedescription_t * > m_FieldStack;
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};
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typedef void (*FN_FIELD_DESCRIPTION)( const char *classname, const char *fieldname, const char *fieldtype,
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bool networked, const char *value );
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//
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// Compare methods
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//
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// Specializations
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template<> FORCEINLINE CPredictionCopy::difftype_t CPredictionCopy::CompareField( const typedescription_t *pField, const float *outvalue, const float *invalue, int count );
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template<> FORCEINLINE CPredictionCopy::difftype_t CPredictionCopy::CompareField( const typedescription_t *pField, const Vector *outvalue, const Vector *invalue, int count );
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template<> FORCEINLINE CPredictionCopy::difftype_t CPredictionCopy::CompareField( const typedescription_t *pField, const Quaternion *outvalue, const Quaternion *invalue, int count );
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template<> FORCEINLINE CPredictionCopy::difftype_t CPredictionCopy::CompareField( const typedescription_t *pField, const char *outvalue, const char *invalue, int count );
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template<> FORCEINLINE CPredictionCopy::difftype_t CPredictionCopy::CompareField( const typedescription_t *pField, const EHANDLE *outvalue, const EHANDLE *invalue, int count );
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template<> FORCEINLINE CPredictionCopy::difftype_t CPredictionCopy::CompareField( const typedescription_t *pField, const color32 *outvalue, const color32 *invalue, int count );
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//
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// Describe Methods
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//
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// Specializations
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template<> FORCEINLINE void CPredictionCopy::DescribeField( const datamap_t *pCurrentMap, const typedescription_t *pField, difftype_t difftype, const short *outvalue, const short *invalue, int count );
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template<> FORCEINLINE void CPredictionCopy::DescribeField( const datamap_t *pCurrentMap, const typedescription_t *pField, difftype_t difftype, const int *outvalue, const int *invalue, int count );
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template<> FORCEINLINE void CPredictionCopy::DescribeField( const datamap_t *pCurrentMap, const typedescription_t *pField, difftype_t difftype, const bool *outvalue, const bool *invalue, int count );
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template<> FORCEINLINE void CPredictionCopy::DescribeField( const datamap_t *pCurrentMap, const typedescription_t *pField, difftype_t difftype, const float *outvalue, const float *invalue, int count );
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template<> FORCEINLINE void CPredictionCopy::DescribeField( const datamap_t *pCurrentMap, const typedescription_t *pField, difftype_t difftype, const char *outvalue, const char *invalue, int count );
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template<> FORCEINLINE void CPredictionCopy::DescribeField( const datamap_t *pCurrentMap, const typedescription_t *pField, difftype_t difftype, const Vector* outValue, const Vector *inValue, int count );
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template<> FORCEINLINE void CPredictionCopy::DescribeField( const datamap_t *pCurrentMap, const typedescription_t *pField, difftype_t difftype, const Quaternion* outValue, const Quaternion *inValue, int count );
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template<> FORCEINLINE void CPredictionCopy::DescribeField( const datamap_t *pCurrentMap, const typedescription_t *pField, difftype_t difftype, const EHANDLE *outvalue, const EHANDLE *invalue, int count );
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template<> FORCEINLINE void CPredictionCopy::DescribeField( const datamap_t *pCurrentMap, const typedescription_t *pField, difftype_t difftype, const color32 *outvalue, const color32 *invalue, int count );
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template<> FORCEINLINE void CPredictionCopy::DescribeField( const datamap_t *pCurrentMap, const typedescription_t *pField, difftype_t difftype, const uint8 *outvalue, const uint8 *invalue, int count );
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//
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// Watch Methods
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//
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// Specializations
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template<> FORCEINLINE void CPredictionCopy::WatchField( const typedescription_t *pField, const short *outvalue,int count );
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template<> FORCEINLINE void CPredictionCopy::WatchField( const typedescription_t *pField, const int *outvalue, int count );
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template<> FORCEINLINE void CPredictionCopy::WatchField( const typedescription_t *pField, const bool *outvalue, int count );
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template<> FORCEINLINE void CPredictionCopy::WatchField( const typedescription_t *pField, const float *outvalue, int count );
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template<> FORCEINLINE void CPredictionCopy::WatchField( const typedescription_t *pField, const Vector *outvalue, int count );
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template<> FORCEINLINE void CPredictionCopy::WatchField( const typedescription_t *pField, const Quaternion *outvalue, int count );
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template<> FORCEINLINE void CPredictionCopy::WatchField( const typedescription_t *pField, const EHANDLE *outvalue, int count );
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template<> FORCEINLINE void CPredictionCopy::WatchField( const typedescription_t *pField, const char *outvalue, int count );
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template<> FORCEINLINE void CPredictionCopy::WatchField( const typedescription_t *pField, const color32 *outvalue, int count );
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//
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// Copy Methods
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//
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// specializations
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template<> FORCEINLINE void CPredictionCopy::CopyField( difftype_t difftype, char *outvalue, const char *invalue, int count );
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template< class T >
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FORCEINLINE void CPredictionCopy::ProcessField_Compare_NoSpew( const datamap_t *pCurrentMap, const typedescription_t *pField, const T *pOutputData, const T *pInputData, int fieldSize )
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{
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difftype_t difftype = CompareField( pField, pOutputData, pInputData, fieldSize );
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if ( difftype == DIFFERS )
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{
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++m_nErrorCount;
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}
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}
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template< class T >
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FORCEINLINE void CPredictionCopy::ProcessField_Compare_Spew( const datamap_t *pCurrentMap, const typedescription_t *pField, const T *pOutputData, const T *pInputData, int fieldSize )
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{
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difftype_t difftype = CompareField( pField, pOutputData, pInputData, fieldSize );
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DescribeField( pCurrentMap, pField, difftype, pOutputData, pInputData, fieldSize );
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}
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template< class T >
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FORCEINLINE void CPredictionCopy::ProcessField_Describe( const datamap_t *pCurrentMap, const typedescription_t *pField, const T *pOutputData, const T *pInputData, int fieldSize )
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{
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difftype_t difftype = CompareField( pField, pOutputData, pInputData, fieldSize );
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DescribeField( pCurrentMap, pField, difftype, pOutputData, pInputData, fieldSize );
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}
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#if defined( CLIENT_DLL )
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class CValueChangeTracker
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{
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public:
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CValueChangeTracker();
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void Reset();
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void StartTrack( char const *pchContext );
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void EndTrack();
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bool IsActive() const;
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void SetupTracking( C_BaseEntity *ent, char const *pchFieldName );
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void ClearTracking();
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void Spew();
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C_BaseEntity *GetEntity();
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private:
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enum
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{
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eChangeTrackerBufSize = 128,
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};
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// Returns field size
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void GetValue( char *buf, size_t bufsize );
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bool m_bActive : 1;
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bool m_bTracking : 1;
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EHANDLE m_hEntityToTrack;
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const typedescription_t *m_pTrackField;
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CUtlString m_strFieldName;
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CUtlString m_strContext;
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// First 128 bytes of data is all we will consider
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char m_OrigValueBuf[ eChangeTrackerBufSize ];
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CUtlVector< CUtlString > m_History;
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};
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extern CValueChangeTracker *g_pChangeTracker;
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class CValueChangeTrackerScope
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{
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public:
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CValueChangeTrackerScope( char const *pchContext )
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{
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m_bCallEndTrack = true;
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g_pChangeTracker->StartTrack( pchContext );
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}
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// Only calls Start/End if passed in entity matches entity to track
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CValueChangeTrackerScope( C_BaseEntity *pEntity, char const *pchContext )
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{
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m_bCallEndTrack = g_pChangeTracker->GetEntity() == pEntity;
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if ( m_bCallEndTrack )
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{
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g_pChangeTracker->StartTrack( pchContext );
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}
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}
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~CValueChangeTrackerScope()
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{
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if ( m_bCallEndTrack )
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{
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g_pChangeTracker->EndTrack();
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}
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}
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private:
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bool m_bCallEndTrack;
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};
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#if defined( _DEBUG )
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#define PREDICTION_TRACKVALUECHANGESCOPE( context ) CValueChangeTrackerScope scope( context );
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#define PREDICTION_TRACKVALUECHANGESCOPE_ENTITY( entity, context ) CValueChangeTrackerScope scope( entity, context );
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#define PREDICTION_STARTTRACKVALUE( context ) g_pChangeTracker->StartTrack( context );
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#define PREDICTION_ENDTRACKVALUE() g_pChangeTracker->EndTrack();
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#define PREDICTION_SPEWVALUECHANGES() g_pChangeTracker->Spew();
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#else
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#define PREDICTION_TRACKVALUECHANGESCOPE( context )
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#define PREDICTION_TRACKVALUECHANGESCOPE_ENTITY( entity, context )
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#define PREDICTION_STARTTRACKVALUE( context )
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#define PREDICTION_ENDTRACKVALUE()
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#define PREDICTION_SPEWVALUECHANGES()
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#endif
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#endif // !CLIENT_DLL
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#endif // PREDICTIONCOPY_H
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