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/* [accum~] by Thomas Ouellet Fredericks
* License: If you use and die, it's not my fault
* Based on [count~] (sickle/count.c)
* Copyright (c) 2002-2003 krzYszcz and others.
* For information on usage and redistribution, and for a DISCLAIMER OF ALL
*/
#include "m_pd.h"
#include <math.h>
/* TODO
- Maybe add a pause?
*/
typedef struct _accum_tilde
{
t_object x_obj;
t_float f;
t_float min;
t_float max;
int wrap;
//int limit;
int on;
int autoreset;
double count;
} t_accum_tilde;
static t_class *accum_tilde_class;
static void accum_tilde_wrap(t_accum_tilde *x, t_floatarg f) {
x->wrap = (f != 0);
}
/*
static void accum_tilde_set(t_accum_tilde *x, t_floatarg f1, t_floatarg f2) {
x->min=(f1<f2)?f1:f2;
x->max=(f1>f2)?f1:f2;
post(" min: %f \n max: %f",x->min,x->max);
}
*/
static void accum_tilde_min(t_accum_tilde *x, t_floatarg f) {
x->min = f;
//accum_tilde_set(x,f,x->max);
}
static void accum_tilde_max(t_accum_tilde *x, t_floatarg f) {
x->max = f;
//accum_tilde_set(x,x->min,f);
}
static void accum_tilde_autoreset(t_accum_tilde *x, t_floatarg f)
{
x->autoreset = (f != 0);
}
static void accum_tilde_bang(t_accum_tilde *x)
{
x->count = x->min;
x->on = 1;
}
/*
static void accum_tilde_float(t_accum_tilde *x, t_floatarg f)
{
x->x_accum_tilde = x->x_min = (int)f;
x->x_on = 1;
}
*/
/*
static void accum_tilde_list(t_accum_tilde *x, t_symbol *s, int ac, t_atom *av)
{
int i;
if (ac > 4) ac = 4;
for (i = 0; i < ac; i++)
if (av[i].a_type != A_FLOAT) break;
switch (i)
{
case 4:
count_autoreset(x, av[3].a_w.w_float);
case 3:
x->x_on = (av[2].a_w.w_float != 0);
case 2:
count_max(x, av[1].a_w.w_float);
case 1:
count_min(x, av[0].a_w.w_float);
default:
x->x_accum_tilde = x->x_min;
}
}
*/
/*
static void accum_tilde_set(t_accum_tilde *x, t_symbol s, int ac, t_atom *av)
{
if (av[0].a_type == A_FLOAT) count_min(x, av[0].a_w.w_float);
if (av[1].a_type == A_FLOAT) count_max(x, av[1].a_w.w_float);
}
*/
static void accum_tilde_stop(t_accum_tilde *x)
{
x->count = x->min;
x->on = 0;
}
static t_int *accum_tilde_perform(t_int *w) {
// point to x
// point to number of samples
// point to inlet~
// point to outlet~
t_accum_tilde *x = (t_accum_tilde *)(w[1]);
int nblock = (int)(w[2]);
t_float* in = (t_float *)(w[3]);
t_float* out = (t_float *)(w[4]);
double count = x->count;
t_float min = (x->min < x->max)?x->min:x->max;
t_float max = (x->max > x->min)?x->max:x->min;
//post(" min: %f \n max: %f",min,max);
// Do not count if min == max
if ( min == max) {
count = min;
while (nblock--) *out++ = count;
} else {
if (x->on) {
if ( x->wrap ) {
// Possible wrapping
while (nblock--) {
count = count + *in;
in++;
if (count < min || count >= max) {
count = fmod((count - min),(max - min));
if (count < 0) {
count = count + max ;
} else {
count = count + min;
}
}
*out++ = count;
}
} else {
// No wrapping
while (nblock--) {
count = count + *in;
in++;
*out++ = count;
}
}
} else {
/* WRAP EVEN IF NOT ACCUMULATING ?
if ( x->wrap && (count < min || count >= max)) {
count = fmod((count - min),(max - min));
if (count < 0) {
count = count + max ;
} else {
count = count + min;
}
}
*/
while (nblock--) *out++ = count;
}
}
x->count = count;
return (w + 5);
}
static void accum_tilde_dsp(t_accum_tilde *x, t_signal **sp) {
if (x->autoreset) accum_tilde_bang(x);
// point to x
// point to number of samples
// point to inlet~
// point to outlet~
dsp_add(accum_tilde_perform, 4, x, sp[0]->s_n, sp[0]->s_vec,sp[1]->s_vec);
}
static void *accum_tilde_new(t_floatarg minval, t_floatarg maxval,
t_floatarg wrapflag, t_floatarg autoflag)
{
t_accum_tilde *x = (t_accum_tilde *)pd_new(accum_tilde_class);
x->wrap = 0;
x->on = 0;
accum_tilde_min(x, minval);
accum_tilde_max(x, maxval);
x->wrap = (wrapflag != 0);
accum_tilde_autoreset(x, autoflag);
x->count = x->min;
//inlet_new((t_object *)x, &s_signal);
inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("min"));
inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("max"));
inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("wrap"));
outlet_new((t_object *)x, &s_signal);
return (x);
}
void accum_tilde_setup(void)
{
accum_tilde_class = class_new(gensym("accum~"),
(t_newmethod)accum_tilde_new, 0,
sizeof(t_accum_tilde), 0,
A_DEFFLOAT, A_DEFFLOAT,
A_DEFFLOAT, A_DEFFLOAT, 0);
CLASS_MAINSIGNALIN(accum_tilde_class, t_accum_tilde, f);
class_addmethod(accum_tilde_class, (t_method)accum_tilde_dsp, gensym("dsp"), 0);
//sic_setup(count_class, count_dsp, SIC_NOMAINSIGNALIN);
class_addbang(accum_tilde_class, accum_tilde_bang);
//class_addfloat(accum_tilde_class, count_float);
//class_addlist(accum_tilde_class, count_list);
/*class_addmethod(count_class, (t_method)count_max,
gensym("ft1"), A_FLOAT, 0);*/
class_addmethod(accum_tilde_class, (t_method)accum_tilde_autoreset,
gensym("autoreset"), A_FLOAT, 0);
class_addmethod(accum_tilde_class, (t_method)accum_tilde_min,
gensym("min"), A_FLOAT, 0);
class_addmethod(accum_tilde_class, (t_method)accum_tilde_max,
gensym("max"), A_FLOAT, 0);
class_addmethod(accum_tilde_class, (t_method)accum_tilde_wrap,
gensym("wrap"), A_FLOAT, 0);
//class_addmethod(count_class, (t_method)count_set, gensym("set"), A_GIMME, 0);
class_addmethod(accum_tilde_class, (t_method)accum_tilde_stop, gensym("stop"), 0);
}
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