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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/api.h>
#define decode_C74MAXOUTS 512 // CHECKED (max goes up higher but freezes) */
#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_bang(t_decode *x)
{
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){
nouts = decode_C74MAXOUTS;
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);
}
CYCLONE_OBJ_API 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_addfloat(decode_class, decode_float);
class_addbang(decode_class, decode_bang);
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);
}
CYCLONE_OBJ_API 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_addfloat(decode_class, decode_float);
class_addbang(decode_class, decode_bang);
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);
class_sethelpsymbol(decode_class, gensym("decode"));
pd_error(decode_class, "Cyclone: please use [decode] instead of [Decode] to suppress this error");
}
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