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91 lines
3.0 KiB
91 lines
3.0 KiB
//======= Copyright (c) 1996-2009, Valve Corporation, All rights reserved. ======
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//
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//===============================================================================
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#ifndef DEMOBUFFER_H
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#define DEMOBUFFER_H
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#ifdef _WIN32
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#pragma once
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#endif
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//-----------------------------------------------------------------------------
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// Includes
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//-----------------------------------------------------------------------------
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#include "utlbuffer.h"
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#include "utllinkedlist.h"
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#include <tier2/utlstreambuffer.h>
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#include "interface.h"
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#include "demofile/demoformat.h"
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//-----------------------------------------------------------------------------
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struct DemoBufferInitParams_t
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{
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virtual ~DemoBufferInitParams_t() {} // Need this to make polymorphic
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};
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struct StreamDemoBufferInitParams_t : public DemoBufferInitParams_t
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{
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StreamDemoBufferInitParams_t( char const* filename, char const* path, int flags, int openfileflags ) : pFilename( filename ), pszPath( path ), nFlags( flags ), nOpenFileFlags( openfileflags ) {}
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char const* pFilename;
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char const* pszPath;
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int nFlags;
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int nOpenFileFlags;
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};
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struct MemoryDemoBufferInitParams_t : public DemoBufferInitParams_t
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{
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MemoryDemoBufferInitParams_t( int maxsize ) : nMaxSize( maxsize ) {}
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int nMaxSize; // TODO: make use of this parameter
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};
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//-----------------------------------------------------------------------------
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// Demo buffer interface - allows for one implementation of the demo format
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// (demofile.cpp) with a common interface for writing to disk or writing to
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// a buffer in memory.
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//-----------------------------------------------------------------------------
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class IDemoBuffer : public IBaseInterface
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{
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public:
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virtual bool Init( DemoBufferInitParams_t const& params ) = 0;
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virtual void NotifySignonComplete() = 0;
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virtual bool IsInitialized() const = 0;
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virtual bool IsValid() const = 0;
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virtual void WriteHeader( const void *pData, int nSize ) = 0;
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virtual void NotifyBeginFrame() = 0;
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virtual void NotifyEndFrame() = 0;
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// Change where I'm writing (put)/reading (get)
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virtual void SeekPut( bool bAbsolute, int offset ) = 0;
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virtual void SeekGet( bool bAbsolute, int offset ) = 0;
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// Where am I writing (put)/reading (get)?
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virtual int TellPut( ) const = 0;
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virtual int TellGet( ) const = 0;
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// What's the most I've ever written?
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virtual int TellMaxPut( ) const = 0;
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virtual char GetChar( ) = 0;
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virtual unsigned char GetUnsignedChar( ) = 0;
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virtual int GetInt( ) = 0;
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virtual void Get( void* pMem, int size ) = 0;
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virtual void PutChar( char c ) = 0;
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virtual void PutUnsignedChar( unsigned char uc ) = 0;
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virtual void PutInt( int i ) = 0;
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virtual void Put( const void* pMem, int size ) = 0;
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virtual void WriteTick( int nTick ) = 0;
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virtual void UpdateStartTick( int& nStartTick ) const = 0;
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virtual void DumpToFile( char const* pFilename, const demoheader_t &header ) const = 0;
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};
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IDemoBuffer *CreateDemoBuffer( bool bMemoryBuffer, const DemoBufferInitParams_t ¶ms );
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#endif // DEMOBUFFER_H
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