[PD] Dev question

[Orm Finnendahl]

Hi Krzysztof,

thanks a lot for the code (and the comments!). That's not too
complicated. I'll probably go ahead and implement both ways to do it
(the general list-ops and the more specific objects as it is more or
less the same code just rearranged).

Orm

Am Mittwoch, den 30. Januar 2002 um 14:38:16 Uhr (+0100) schrieb Krzysztof Czaja:
> hi Orm,
> 
> append (and prepend) has only one inlet, and I do not know about join.
> But anyway having other than leftmost inlet to accept various messages
> is not that difficult.  To give you a clue how this may be done, here
> is an excerpt from my `spying' code:
> 
> static void *spy_new(...)
> {
>     t_spy *x = (t_spy *)pd_new(spy_class);
>     t_spy *x1 = (t_spy *)pd_new(s2y_class);  /* proxy for 2nd inlet messages */
> ... (there are more...)
> 
> /* here goes something like: x->x_shadow = x1 */
> 	inlet_new(&x->x_ob, &x1->x_ob.ob_pd, 0, 0);  /* create 2nd inlet */
> ...
> }
> 
> static void spy_free(t_spy *x)
> {
> ...
> /* here goes something like: x1 = x->x_shadow */
> 	    pd_free(&x1->x_ob.ob_pd);  /* this has to be done explicitly */
> ...
> }
> 
> void spy_setup(void)
> {
> ...
>     spy_class = class_new(gensym("spy"), (t_newmethod)spy_new,
> 			  (t_method)spy_free, sizeof(t_spy), 0, ..., 0);
> ...
>     s2y_class = class_new(gensym("spy (second inlet)"), 0, 0,
> 			  sizeof(t_spy), /* this may need to be changed */
> 			  CLASS_PD | CLASS_NOINLET, 0);
> ...
>     class_addmethod(spy_class, ...
> ...
>     class_addmethod(s2y_class, ...
> ...
> }
> 
> Krzysztof
> 
> Orm Finnendahl wrote:
> ...
> > I would like to know, how to implement the proxy, your're
> > mentioning. I had the same problem, trying to mimik the list objects
> > from Max/MSP like join and append. There is a way around that, like