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/*
* Copyright (c) 1997-1999 Mark Danks.
* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt" in this distribution.
*/
#include "m_pd.h"
/* -------------------------- alternate ------------------------------ */
/* instance structure */
static t_class *alternate_class;
typedef struct _alternate
{
t_object x_obj; /* obligatory object header */
int a_which; /* which outlet to go out 0 = left, 1 = right */
t_outlet *t_out1; /* the outlet */
t_outlet *t_out2; /* the other outlet */
} t_alternate;
static void alternate_list(t_alternate *x, t_symbol *s, int argc, t_atom *argv)
{
static t_symbol *listSym = NULL;
if (!listSym)
listSym = gensym("list");
if (!x->a_which) outlet_list(x->t_out1, listSym, argc, argv);
else outlet_list(x->t_out2, listSym, argc, argv);
x->a_which++;
x->a_which = (x->a_which > 1) ? 0 : x->a_which;
}
static void alternate_float(t_alternate *x, t_floatarg n)
{
if (!x->a_which) outlet_float(x->t_out1, n);
else outlet_float(x->t_out2, n);
x->a_which++;
x->a_which = (x->a_which > 1) ? 0 : x->a_which;
}
static void alternate_bang(t_alternate *x)
{
if (!x->a_which) outlet_bang(x->t_out1);
else outlet_bang(x->t_out2);
x->a_which++;
x->a_which = (x->a_which > 1) ? 0 : x->a_which;
}
static void alternate_reset(t_alternate *x)
{
x->a_which = 0;
}
static void *alternate_new(t_symbol *s) /* init vals in struc */
{
t_alternate *x = (t_alternate *)pd_new(alternate_class);
x->t_out1 = outlet_new(&x->x_obj, 0);
x->t_out2 = outlet_new(&x->x_obj, 0);
x->a_which = 0;
return (x);
}
void alternate_setup(void)
{
alternate_class = class_new(gensym("alternate"), (t_newmethod)alternate_new, 0,
sizeof(t_alternate), 0, A_NULL);
class_addfloat(alternate_class, (t_method)alternate_float);
class_addbang(alternate_class, (t_method)alternate_bang);
class_addmethod(alternate_class, (t_method)alternate_reset, gensym("reset"), A_NULL);
class_addmethod(alternate_class, (t_method)alternate_list,
gensym("list"), A_GIMME, A_NULL);
#if PD_MINOR_VERSION < 37
class_sethelpsymbol(alternate_class, gensym("alternate-help.pd"));
#endif
}
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