DirextX编程

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Visual C++

PackFileBaseClass.h：源码内容

							// Copyright (C) 1999 DXGuide.  All Rights Reserved.
// File: PackFileBaseClass.h
#ifndef _PACKFILEBASECLASS__H
#define _PACKFILEBASECLASS__H
#if _MSC_VER >= 1000
#pragma once
#endif // _MSC_VER >= 1000
class	CPackFileManagerBaseClass;
class	CPackFileBaseClass
{
public:
	CPackFileBaseClass(void);
	virtual	~CPackFileBaseClass();
public:
	virtual bool	Open(CPackFileManagerBaseClass*  pPackFileManager, LPCTSTR  lpszName);
public:
	virtual int	Read(LPVOID  pBuf, int  nSize) = 0;
	virtual LONG	Seek(LONG  lOff, CFile::SeekPosition  seekPos = CFile::begin) = 0;
	virtual LONG	Tell(void) const = 0;
	virtual LONG	GetFileSize(void) const = 0;
	virtual CString	GetFileName(void) const = 0;
public:
	BYTE const*	GetBuffer(void);
	void	ReleaseBuffer(void) const;
public:
#ifdef _DEBUG
	CPackFileManagerBaseClass* const	GetPackFileManager(void) const
	{
		return  m_pParentPackFileManager;
	}
#endif	// _DEBUG
protected:
	CPackFileManagerBaseClass*	m_pParentPackFileManager;
};
#endif	// _PACKFILEBASECLASS__H

						