增加Lua函数

sgutil/sgu_lua_npk_file.h

@@ -27,6 +27,9 @@ public:
 	uint32_t crc32(void);
 	bool isEOF(void) const;
 
+	//write total file content to local disk file, wszFileName(utf8)
+	bool writeToDiskFile(const char* wszFileName);
+public:
 	NPK::IFileStream* m_pFileStream = nullptr;
 };
 
@@ -46,7 +49,6 @@ public:
 class LuaNPKFile
 {
 public:
-	static void registerLuaApi(struct lua_State* L);
 	static LuaNPKFile* create();
 	static void destroy(LuaNPKFile* instance);
 
@@ -68,3 +70,5 @@ public:
 	LuaNPKFile();
 	~LuaNPKFile();
 };
+
+void registerNPKLuaLibs(struct lua_State* L);