www.pudn.com > GameEngine_src.rar > CEPKFile.h

// CEPKFile.h: interface for the CEPKFile class. 
// 
////////////////////////////////////////////////////////////////////// 
 
#ifndef CEPKFile_h 
#define CEPKFile_h 
 
#if _MSC_VER > 1000 
#pragma once 
#endif // _MSC_VER > 1000 
 
 
#include "CHashTable.h" 
#include  
 
 
 
typedef unsigned char BYTE; 
typedef unsigned long DWORD; 
 
 
 
 
const int EPK = 0x454b; 
 
 
enum EPK_OPEN_TYPE 
{ 
	EPK_OUT, 
	EPK_IN, 
	EPK_CREATE, 
	EPK_NONE, 
}; 
 
struct EPKFILEHEADER 
{ 
	int epkType;				//文件类型EPK 
	int epkNumOfFile;			//文件中所含的文件数目 
	int epkHashSize;			//哈希表最大元素个数 
	int epkOffBits;				//从文件头到数据区的偏移 
	DWORD epkSize;				//整个文件的大小 
	DWORD epkMaxFileSize;		//包中最大的文件长度 
	DWORD res1;					//保留 
	DWORD res2;					//保留 
}; 
 
struct FILEINFO   
{ 
	FILEINFO(); 
	~FILEINFO(); 
	FILEINFO( const FILEINFO& fileinfo ); 
	void SetFileName( const char *filename ); 
 
	FILEINFO &operator = ( const FILEINFO& fileinfo ); 
	int operator % ( int i ) const; 
	bool operator == ( const FILEINFO& fileinfo ); 
	 
 
	char	m_szFileName[32]; 
	int		m_iFilePos; 
	DWORD m_iFileSize; 
}; 
 
 
/////////////////////////////////////////////////////////////////////// 
//CEPKFile类,描述EPK文件. 
//负责打开,插入,查找,关闭EPK文件. 
// 
/////////////////////////////////////////////////////////////////////// 
class CEPKFile   
{ 
public: 
	CEPKFile(); 
	~CEPKFile(); 
 
	bool Open( char *szFileName, EPK_OPEN_TYPE opentype ); 
	void Close(); 
	bool Write( char *szFileName ); 
	BYTE *Read( const char *szFileName, int *pFileSize ); 
	BYTE *Read( const char *szFileName ) 
	{ return Read( szFileName, NULL ); } 
 
	bool GetFileList( FILEINFO **ppFileInfo, int *pNumFile ); 
	bool SetBuffer( int bufsize ); 
private: 
	DWORD GetFileSize(  FILE *fp  ); 
	int GetFileNameWithoutPath( const char *namein, char * nameout, int size ); 
	 
 
private: 
	CHashTable	m_hashtable; 
	EPK_OPEN_TYPE			m_opentype; 
	EPKFILEHEADER			m_fileheader; 
	FILE				   *m_pfile; 
 
	BYTE	*m_buffer; 
	int		m_bufsize; 
}; 
 
#endif