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engine/demofile.h

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//===========================================================================//
+
+#ifndef DEMOFILE_H
+#define DEMOFILE_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+#define DEMO_FILE_UTLBUFFER 1
+#define DEMO_FILE_MAX_STRINGTABLE_SIZE 5000000 // 5 mb
+
+#include "demo.h"
+
+#ifdef DEMO_FILE_UTLBUFFER
+#include "tier2/utlstreambuffer.h"
+#else
+#include <filesystem.h>
+#endif
+
+
+#include "tier1/bitbuf.h"
+
+//-----------------------------------------------------------------------------
+// Forward declarations
+//-----------------------------------------------------------------------------
+class IDemoBuffer;
+
+//-----------------------------------------------------------------------------
+// Demo file 
+//-----------------------------------------------------------------------------
+class CDemoFile  
+{
+public:
+	CDemoFile();
+	~CDemoFile();
+
+	bool	Open(const char *name, bool bReadOnly, bool bMemoryBuffer = false, int nBufferSize = 0, bool bAllowHeaderWrite = true);
+	bool	IsOpen();
+	void	Close();
+
+	void	SeekTo( int position, bool bRead );
+	unsigned int GetCurPos( bool bRead );
+	int		GetSize();
+
+	void	WriteRawData( const char *buffer, int length );
+	int		ReadRawData( char *buffer, int length );
+
+	void	WriteSequenceInfo(int nSeqNrIn, int nSeqNrOutAck);
+	void	ReadSequenceInfo(int &nSeqNrIn, int &nSeqNrOutAck);
+
+	void	WriteCmdInfo( democmdinfo_t& info );
+	void	ReadCmdInfo( democmdinfo_t& info );
+
+	void	WriteCmdHeader( unsigned char cmd, int tick );
+	void	ReadCmdHeader( unsigned char& cmd, int& tick );
+	
+	void	WriteConsoleCommand( const char *cmd, int tick );
+	const char *ReadConsoleCommand( void );
+
+	void	WriteNetworkDataTables( bf_write *buf, int tick );
+	int		ReadNetworkDataTables( bf_read *buf );
+	
+	void	WriteStringTables( bf_write *buf, int tick );
+	int		ReadStringTables( bf_read *buf );
+
+	void	WriteUserCmd( int cmdnumber, const char *buffer, unsigned char bytes, int tick );
+	int		ReadUserCmd( char *buffer, int &size );
+
+	void	WriteDemoHeader();
+	demoheader_t *ReadDemoHeader();
+
+	void	WriteFileBytes( FileHandle_t fh, int length );
+
+	// Returns the PROTOCOL_VERSION used when .dem was recorded
+	int		GetProtocolVersion();
+public:
+	char			m_szFileName[MAX_PATH];	//name of current demo file
+	demoheader_t    m_DemoHeader;  //general demo info
+	CUtlBuffer		*m_pBuffer;
+	bool			m_bAllowHeaderWrite;
+	bool			m_bIsStreamBuffer;
+};
+
+#endif // DEMOFILE_H