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56 lines
1.1 KiB
C
56 lines
1.1 KiB
C
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#pragma once
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//----------------------------------------------------------
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#define FS_FILE_MAGIC 0x32414153 // "SAA2"
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#define FS_BLOCK_SIZE 0x800 // 2kb
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#define FS_INVALID_FILE 0xFFFFFFFF
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#define FS_ENCKEY_VAR 37625
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#define FS_ENC_CONST1 54825
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#define FS_ENC_CONST2 91722
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//----------------------------------------------------------
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typedef struct _FS_HEADER
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{
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DWORD dwSAAV;
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DWORD dwFileCount;
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WORD wKey;
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} FS_HEADER;
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typedef struct _FS_FILE_ENTRY
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{
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DWORD dwOffset;
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DWORD dwSize;
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char szName[24];
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DWORD dwRealSize;
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WORD wKey;
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} FS_FILE_ENTRY;
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//----------------------------------------------------------
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class CFileSystem
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{
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private:
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bool m_bLoaded;
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DWORD m_dwFileCount;
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WORD m_wKey;
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FS_FILE_ENTRY* m_pFileList;
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BYTE** m_pFileData;
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public:
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CFileSystem();
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virtual ~CFileSystem();
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virtual bool Load(char* szFileName);
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virtual void Unload();
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virtual DWORD GetFileIndex(char* szFileName);
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virtual DWORD GetFileSize(DWORD dwFileIndex);
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virtual BYTE* GetFileData(DWORD dwFileIndex);
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void DecryptData(BYTE* pData, DWORD dwDataLen, WORD wKey);
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};
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//----------------------------------------------------------
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// EOF
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