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/* Copyright (c) 2002-2005 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 an entirely rewritten version of Joseph A. Sarlo's code.
The most important changes are listed in "pd-lib-notes.txt" file. */
#include "m_pd.h"
#include "common/loud.h"
#include "common/fitter.h"
#define DECODE_C74MAXOUTS 8 /* CHECKED (does it make any sense?) */
#define DECODE_DEFOUTS 1
typedef struct _Decode
{
t_object x_ob;
int x_numouts;
int x_onout;
int x_allon; /* submaster switch */
int x_alloff; /* master switch */
t_outlet **x_outs;
t_outlet *x_outbuf[DECODE_C74MAXOUTS];
} t_Decode;
static t_class *Decode_class;
/* CHECKED: all outlets deliver after any action */
/* CHECKED: outlets output in right-to-left order */
static void Decode_deliver(t_Decode *x)
{
int i = x->x_numouts;
if (x->x_alloff)
while (i--) outlet_float(x->x_outs[i], 0);
else if (x->x_allon)
while (i--) outlet_float(x->x_outs[i], 1);
else
while (i--) outlet_float(x->x_outs[i], (i == x->x_onout ? 1 : 0));
}
static void Decode_float(t_Decode *x, t_floatarg f)
{
int val = (int)f;
/* CHECKED: out-of-range input is clipped, not ignored */
if (val < 0)
val = 0;
else if (val >= x->x_numouts)
val = x->x_numouts - 1;
/* CHECKED: while in all-off mode, input is stored, not ignored */
x->x_onout = val;
Decode_deliver(x);
}
static void Decode_allon(t_Decode *x, t_floatarg f)
{
x->x_allon = (f != 0);
Decode_deliver(x);
}
static void Decode_alloff(t_Decode *x, t_floatarg f)
{
x->x_alloff = (f != 0);
Decode_deliver(x);
}
static void Decode_free(t_Decode *x)
{
if (x->x_outs != x->x_outbuf)
freebytes(x->x_outs, x->x_numouts * sizeof(*x->x_outs));
}
static void *Decode_new(t_floatarg val)
{
t_Decode *x;
int i, nouts = (int)val;
t_outlet **outs;
if (nouts < 1)
nouts = DECODE_DEFOUTS;
if (nouts > DECODE_C74MAXOUTS)
{
fittermax_rangewarning(Decode_class, DECODE_C74MAXOUTS, "outlets");
if (!(outs = (t_outlet **)getbytes(nouts * sizeof(*outs))))
return (0);
}
else outs = 0;
x = (t_Decode *)pd_new(Decode_class);
x->x_numouts = nouts;
x->x_outs = (outs ? outs : x->x_outbuf);
x->x_onout = 0;
x->x_allon = 0;
x->x_alloff = 0;
inlet_new((t_object *)x, (t_pd *)x, &s_float, gensym("ft1"));
inlet_new((t_object *)x, (t_pd *)x, &s_float, gensym("ft2"));
for (i = 0; i < nouts; i++)
x->x_outs[i] = outlet_new((t_object *)x, &s_float);
return (x);
}
void Decode_setup(void)
{
Decode_class = class_new(gensym("Decode"),
(t_newmethod)Decode_new,
(t_method)Decode_free,
sizeof(t_Decode), 0, A_DEFFLOAT, 0);
class_addcreator((t_newmethod)Decode_new, gensym("decode"), A_DEFFLOAT, 0);
class_addcreator((t_newmethod)Decode_new, gensym("cyclone/decode"), A_DEFFLOAT, 0);
class_addfloat(Decode_class, Decode_float);
class_addmethod(Decode_class, (t_method)Decode_allon,
gensym("ft1"), A_FLOAT, 0);
class_addmethod(Decode_class, (t_method)Decode_alloff,
gensym("ft2"), A_FLOAT, 0);
fitter_setup(Decode_class, 0);
}
void decode_setup()
{
Decode_setup();
}
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