Re: Haw to get out table inside a table?

[Tomas <tomas@...>]

> I have embeded LUA in my VC++6.0. Now I know haw to simple tabel data out by 
> lua_getglobal(), lua_pushstring() and lua_gettable() via stack. But I dont
> know haw to get data out if I have table inside the table.
	It's almost the same!  A table is a value like others:

> > function get (i, j)
> > 	return EnemyList["Enemy"..i][j]
> > end
/* untested code */
void get (lua_State *L, int i, char *j) {
	/* push EnemyList table on stack */
	lua_pushstring (L, "EnemyList");
	lua_rawget (L, LUA_GLOBALSINDEX);
	/* first key */
	lua_pushstring (L, "Enemy");
	lua_pushnumber (L, i);
	lua_concat (L, 2);
	/* get the "Enemy?" table */
	lua_gettable (L, -2);
	/* second key (the field name) */
	lua_pushstring (L, j);
	/* get result */
	lua_gettable (L, -2);
}

	The result will be on top of the stack!
		Tomas

> > > Haw do I get out path or x,y,z from this table? 
> > > 
> > > EnemyList = {
> > >     
> > >     Enemy1 = {
> > >         path = ".\mesh\kock4.x",
> > >         x = 67,
> > >         y = 57,
> > >         z = 23
> > >     },
> > > 
> > >     Enemy2 = {
> > >         path = ".\mesh\kock2.x",
> > >         x = 10,
> > >         y = 1,
> > >         z = 45
> > >     }
> > > }
> > 	Do you mean EnemyList.Enemy1.path?  Or a generic
> > way?  Something like:
> > 
> > 
> > get (1, 'path')
> > 
> > 	might give you the same result.
> > 		Tomas
> 
> 
> 
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