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Lua Object Scripts

Started by Zane528 Oct 25, 2007 at 4:33 PM 2 replies 1.3k views

Original Post

Oct 25, 2007 at 4:33 PM

I am trying to extend my classes through scripting. I create my objects in Lua and then assign them a script. I can't find a way to load a script and connect it to that object, so in c++ I can call that objects scripted function. I can do it globally by loading the script into a table and then calling the function in that table. What I want to do is connect that table to the full userdata so each object can have it's own script, and can be easily called from c++.

Sneftel

Oct 25, 2007 at 4:52 PM

The usual way for a C++ object to hold onto a Lua object is through the Lua registry, which see the manual. If you're using a binding system like LuaBind or SWIG, though, the preferred method may be different.

noooooon

Oct 25, 2007 at 5:01 PM

Seems very confusing to me. Could you explain or give an example of what you want to do ? If you create your objects in Lua as you said, why can't you assign them a lua file ?

myObject1 = CreateMyUserData("myObject1Script.lua")
myObject2 = CreateMyUserData("myObject2Script.lua")

The C function CreateMyUserData check the filename of the script and keep it in a string to call the script later.

Zane528

Oct 25, 2007 at 5:22 PM

I'm using lunar for the binding. Right now I am keeping the script in a string and call it when I need to. The problem with this is that I can't save any of the variables in the script to use later on. If I load it into a table in the object, then I should be able to access them until the object dies.

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