forked from metin2/client
75 lines
1.7 KiB
C
75 lines
1.7 KiB
C
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#ifndef __INC_METIN_II_371GNFBQOCJ_LZO_H__
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#define __INC_METIN_II_371GNFBQOCJ_LZO_H__
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#include <windows.h>
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#include <lzo/lzo1x.h>
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#include "Singleton.h"
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class CLZObject
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{
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public:
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#pragma pack(4)
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typedef struct SHeader
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{
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DWORD dwFourCC;
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DWORD dwEncryptSize; // <20><>ȣȭ<C8A3><C8AD> ũ<><C5A9>
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DWORD dwCompressedSize; // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> ũ<><C5A9>
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DWORD dwRealSize; // <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> ũ<><C5A9>
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} THeader;
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#pragma pack()
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CLZObject();
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~CLZObject();
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void Clear();
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void BeginCompress(const void * pvIn, UINT uiInLen);
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void BeginCompressInBuffer(const void * pvIn, UINT uiInLen, void * pvOut);
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bool Compress();
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bool BeginDecompress(const void * pvIn);
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bool Decompress(DWORD * pdwKey = NULL);
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bool Encrypt(DWORD * pdwKey);
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bool __Decrypt(DWORD * key, BYTE* data);
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const THeader & GetHeader() { return *m_pHeader; }
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BYTE * GetBuffer() { return m_pbBuffer; }
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DWORD GetSize();
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void AllocBuffer(DWORD dwSize);
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DWORD GetBufferSize() { return m_dwBufferSize; }
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//void CopyBuffer(const char* pbSrc, DWORD dwSrcSize);
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private:
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void Initialize();
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BYTE * m_pbBuffer;
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DWORD m_dwBufferSize;
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THeader * m_pHeader;
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const BYTE * m_pbIn;
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bool m_bCompressed;
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bool m_bInBuffer;
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public:
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static DWORD ms_dwFourCC;
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};
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class CLZO : public CSingleton<CLZO>
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{
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public:
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CLZO();
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virtual ~CLZO();
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bool CompressMemory(CLZObject & rObj, const void * pIn, UINT uiInLen);
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bool CompressEncryptedMemory(CLZObject & rObj, const void * pIn, UINT uiInLen, DWORD * pdwKey);
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bool Decompress(CLZObject & rObj, const BYTE * pbBuf, DWORD * pdwKey = NULL);
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BYTE * GetWorkMemory();
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private:
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BYTE * m_pWorkMem;
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};
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#endif
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