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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 modified 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 _Bucket
{
t_object x_ob;
int x_numbucks;
t_float *x_bucks; /* CHECKED: no limit */
t_outlet **x_outs;
short int x_frozen; /* 0 for thawed, 1 for frozen */
short int x_dir; /* 0 for L2R, 1 for R2L */
} t_Bucket;
static t_class *Bucket_class;
static void Bucket_bang(t_Bucket *x)
{
int i = x->x_numbucks;
/* CHECKED: outlets output in right-to-left order */
while (i--) outlet_float(x->x_outs[i], x->x_bucks[i]);
}
static void Bucket_float(t_Bucket *x, t_float val)
{
int i;
if (!x->x_frozen)
Bucket_bang(x);
if (!x->x_dir)
{
for (i = x->x_numbucks - 1; i > 0; i--)
x->x_bucks[i] = x->x_bucks[i - 1];
x->x_bucks[0] = val;
}
else
{
for (i = 0; i < x->x_numbucks - 1; i++)
x->x_bucks[i] = x->x_bucks[i + 1];
x->x_bucks[x->x_numbucks - 1] = val;
}
}
static void Bucket_freeze(t_Bucket *x)
{
x->x_frozen = 1;
}
static void Bucket_thaw(t_Bucket *x)
{
x->x_frozen = 0;
}
static void Bucket_roll(t_Bucket *x)
{
if (x->x_dir)
Bucket_float(x, x->x_bucks[0]);
else
Bucket_float(x, x->x_bucks[x->x_numbucks - 1]);
}
static void Bucket_rtol(t_Bucket *x)
{
x->x_dir = 1;
}
static void Bucket_ltor(t_Bucket *x)
{
x->x_dir = 0;
}
static void Bucket_set(t_Bucket *x, t_floatarg f)
{
int i = x->x_numbucks;
while (i--) x->x_bucks[i] = f;
if (!x->x_frozen) /* CHECKED */
Bucket_bang(x);
}
static void Bucket_free(t_Bucket *x)
{
if (x->x_bucks)
freebytes(x->x_bucks, x->x_numbucks * sizeof(*x->x_bucks));
if (x->x_outs)
freebytes(x->x_outs, x->x_numbucks * sizeof(*x->x_outs));
}
static void *Bucket_new(t_floatarg val)
{
t_Bucket *x;
int i, nbucks = (int)val;
t_float *bucks;
t_outlet **outs;
if (nbucks < 1)
nbucks = 1;
if (!(bucks = (t_float *)getbytes(nbucks * sizeof(*bucks))))
return (0);
if (!(outs = (t_outlet **)getbytes(nbucks * sizeof(*outs))))
{
freebytes(bucks, nbucks * sizeof(*bucks));
return (0);
}
x = (t_Bucket *)pd_new(Bucket_class);
x->x_numbucks = nbucks;
x->x_bucks = bucks;
x->x_outs = outs;
x->x_frozen = 0;
x->x_dir = 0;
while (nbucks--) *outs++ = outlet_new((t_object *)x, &s_float);
return (x);
}
void Bucket_setup(void)
{
Bucket_class = class_new(gensym("Bucket"),
(t_newmethod)Bucket_new,
(t_method)Bucket_free,
sizeof(t_Bucket), 0, A_DEFFLOAT, 0);
class_addbang(Bucket_class, Bucket_bang);
class_addfloat(Bucket_class, Bucket_float);
class_addmethod(Bucket_class, (t_method)Bucket_freeze, gensym("freeze"), 0);
class_addmethod(Bucket_class, (t_method)Bucket_thaw, gensym("thaw"), 0);
class_addmethod(Bucket_class, (t_method)Bucket_ltor, gensym("L2R"), 0);
class_addmethod(Bucket_class, (t_method)Bucket_rtol, gensym("R2L"), 0);
/* CHECKED (refman error) roll has no argument */
class_addmethod(Bucket_class, (t_method)Bucket_roll, gensym("roll"), 0);
/* 3.5 additions */
class_addmethod(Bucket_class, (t_method)Bucket_set,
gensym("set"), A_FLOAT, 0);
class_addmethod(Bucket_class, (t_method)Bucket_ltor, gensym("l2r"), 0);
class_addmethod(Bucket_class, (t_method)Bucket_rtol, gensym("r2l"), 0);
}
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