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/* Copyright (c) 2002-2003 krzYszcz and others.
* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution. */
/* This is a slightly edited version of Joseph A. Sarlo's code.
The most important changes are listed in "pd-lib-notes.txt" file. */
#include "m_pd.h"
typedef struct _accum
{
t_object x_ob;
t_float x_total;
} t_accum;
static t_class *accum_class;
static void accum_set(t_accum *x, t_floatarg val)
{
x->x_total = val;
}
static void accum_bang(t_accum *x)
{
outlet_float(((t_object *)x)->ob_outlet, x->x_total);
}
static void accum_float(t_accum *x, t_floatarg val)
{
/* LATER reconsider int/float dilemma */
accum_set(x, val);
accum_bang(x);
}
static void accum_add(t_accum *x, t_floatarg val)
{
/* LATER reconsider int/float dilemma */
x->x_total += val;
}
static void accum_mult(t_accum *x, t_floatarg val)
{
x->x_total *= val;
}
static void *accum_new(t_floatarg val)
{
t_accum *x = (t_accum *)pd_new(accum_class);
x->x_total = val;
inlet_new((t_object *)x, (t_pd *)x, &s_float, gensym("ft1"));
inlet_new((t_object *)x, (t_pd *)x, &s_float, gensym("ft2"));
outlet_new((t_object *)x, &s_float);
return (x);
}
void accum_setup(void)
{
accum_class = class_new(gensym("accum"), (t_newmethod)accum_new, 0,
sizeof(t_accum), 0, A_DEFFLOAT, 0);
class_addbang(accum_class, accum_bang);
class_addfloat(accum_class, accum_float);
class_addmethod(accum_class, (t_method)accum_add,
gensym("ft1"), A_FLOAT, 0);
class_addmethod(accum_class, (t_method)accum_mult,
gensym("ft2"), A_FLOAT, 0);
class_addmethod(accum_class, (t_method)accum_set,
gensym("set"), A_FLOAT, 0);
}
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