File: bfilt2.c

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pd-cxc 0.5.2-2
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/* bangfilter: = % x plus sel 0
 * spaeter: % x plus sel y mit 2 arguments
 */
#include "m_pd.h"
#include <math.h>

static t_class *bfilt2_class;

typedef struct _bfilt2
{
    t_object x_obj;
    t_float x_f1;
    t_float x_f2;
} t_bfilt2;

static void *bfilt2_new(t_floatarg f)
{
    t_bfilt2 *x = (t_bfilt2 *)pd_new(bfilt2_class);
    outlet_new(&x->x_obj, &s_bang);
    floatinlet_new(&x->x_obj, &x->x_f2);
    x->x_f1 = 0;
    x->x_f2 = f;
    return (x);
}

static void bfilt2_bang(t_bfilt2 *x)
{
    int n2 = x->x_f2, result;
    if (n2 < 0) n2 = -n2;
    else if (!n2) n2 = 1;
    x->x_f1++;
    result = ((int)(x->x_f1)) % n2;
    if (result == 0) //result += n2;
      {
	outlet_bang(x->x_obj.ob_outlet);
      }
	//outlet_float(x->x_obj.ob_outlet, (t_float)result);
}

static void bfilt2_float(t_bfilt2 *x, t_float f)
{
  x->x_f1 = f;
  bfilt2_bang(x);
}


void bfilt2_setup()
{
    bfilt2_class = class_new(gensym("bfilt2"), (t_newmethod)bfilt2_new, 0,
    	sizeof(t_bfilt2), 0, A_DEFFLOAT, 0);
    class_addbang(bfilt2_class, bfilt2_bang);
    class_addfloat(bfilt2_class, (t_method)bfilt2_float);
}