Re: Multidimensional matrices
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- Subject: Re: Multidimensional matrices
- From: Edgar Toernig <froese@...>
- Date: 2004年1月28日 21:35:20 +0100
Luis Carvalho wrote:
>
> The simplest way I found to allow correct indexing was to build a
> struct with a pointer to Udata (from lobject.h) and to provide a small
> extension to the API so that full userdatas could be pushed to the
> virtual stack. I know it's a bit overkill, but it worked like a charm.
> :)
Afaics, it's totally unnecessary. Every userdata you push via
pushrawuserdata has a luaL_ref. Just use it to push the userdata
back onto the stack: lua_rawgeti(L, LUA_REGISTRYINDEX, matrix->ref).
Then you can also remove all the udata<->matrix conversions; use
Matrix-ptrs everywhere.
Ciao, ET.