Comments (4)
这篇博客的评论中有人这样说过。https://blog.codingnow.com/2012/04/lua_multi_states_database.html
“大侠,看了以后我有个疑惑,求解惑。既然要多个lua_State共享一份数据,为什么不把这些静态数据像加载到一个lua_State* L中,以后创建的lua_State都以L子线程的发生创建,这样不就可以读共享数据了吗?
L1 = lua_newthread(L)我在Lua程序设计那本书上看到的,也写过小例子测试过,不知道这样会不会有什么缺点,望大侠不吝赐教”
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1.如果是1个USluaComponent维护所有界面,每个界面用一个脚本去控制,还需要一些共有数据脚本去存储数据,比如策划表,也有可能数据脚本保存一些共有变量,但是创建出来的新界面脚本需要如何去调用自己的init或tick函数,还有如何销毁某个界面。
USluaComponent的唯一作用是拿到uworld指针和tick,除此之外没有任何其他作用,uworld指针也仅仅用于load widget ui(这部分代码一般都需要根据项目重写,所以很可能实际代码中不需要USluaComponent,仅需要luastate),这样的情况下,slua目前的设计是一个luastate加载所有界面,每个界面对应一个lua文件。
同时目前slua的设计,支持多state,但确实尚未考虑数据共享问题,未来会考虑添加。
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好的,期待多state下数据共享的实现,脚本底层可以用script_mgr和script方式去管理,各脚本独立state又可以访问script_mgr下LuaState的共享数据。
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初步使用看下来用单个state没什么问题,数据也很方便。
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