增加Lua函数

libnpk/source/libNPK_FileStream.h

@@ -31,6 +31,8 @@ public:
 		return m_currentOffset >= m_fileSize;
 	}
 
+	virtual bool writeToDiskFile(const wchar_t* diskPathFile);
+
 protected:
 	//Pack file
 	CNPKFile* m_pNPKFile;
@@ -38,9 +40,9 @@ protected:
 	HANDLE m_hFileandle;
 	std::string m_fileName;
 	//offset of the file in the pak file
-	uint32_t m_fileOffset = 0;
+	const uint32_t m_fileOffset = 0;
 	//size of the file
-	uint32_t m_fileSize = 0;
+	const uint32_t m_fileSize = 0;
 	//current read offset in the file
 	uint32_t m_currentOffset = 0;
 	//CRC32 checksum of the file