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# Can you do this w/ lua?

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yodaman    188
Hiya *I havent bothered yet to really learn lua so im not sure what exactly it can and cant do* In the engine im making right now I plan on interfacing it with lua. The engine however uses quite a few enums, now if you had a cpp function like so: void SetStyle(BlendStyle pStyle), you would simple set the param with a member of the particular enum structure, but now in lua you wouldn''t have access to the enums (or is there a way to expose them to lua?) or would I probably just have to make the function take in a string and then use a switch statement...ex:
void SetStyle(char* pStyle)
{
switch(pStyle)
{
case ''transparent'':
m_Blendstyle = BS_TRANSPARENT;
break;
etc...
}

and also, is there a way to make pointers in lua to hardcoded classes? lua file...CMesh *m_tree; m_tree->style = "transparent" etc. Thanx a lot in advance! Cheers!

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Endurion    5408
For enums, just assign the values to lua variables, then you can use them just like in c.

The latter requires the use of lua tables; it will work, but you''ll have to register everything and encapsulate parameters.
Or you simple use one of the wrappers out there (i prefer luabind, it''s quite mighty; tolua would be an alternative too).

Regards,
Endurion