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/* Copyright (c) 1997-2001 Miller Puckette and others.
* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution. */
/* MIDI. */
#include "m_pd.h"
static t_symbol *ctlin_sym;
static t_class *ctlin_class;
typedef struct _ctlin
{
t_object x_obj;
t_float x_channel;
t_float x_ctlno;
t_outlet *x_outlet1;
t_outlet *x_outlet2;
t_outlet *x_outlet3;
} t_ctlin;
static void *ctlin_new(t_symbol *s, int argc, t_atom *argv)
{
int ctlno, channel;
t_ctlin *x = (t_ctlin *)pd_new(ctlin_class);
if (!argc) ctlno = -1;
else ctlno = atom_getfloatarg(0, argc, argv);
channel = atom_getfloatarg(1, argc, argv);
x->x_channel = channel;
x->x_ctlno = ctlno;
x->x_outlet1 = outlet_new(&x->x_obj, &s_float);
if (!channel)
{
if (x->x_ctlno < 0) x->x_outlet2 = outlet_new(&x->x_obj, &s_float);
x->x_outlet3 = outlet_new(&x->x_obj, &s_float);
}
pd_bind(&x->x_obj.ob_pd, ctlin_sym);
return (x);
}
static void ctlin_list(t_ctlin *x, t_symbol *s, int argc, t_atom *argv)
{
t_float ctlnumber = atom_getfloatarg(0, argc, argv);
t_float value = atom_getfloatarg(1, argc, argv);
t_float channel = atom_getfloatarg(2, argc, argv);
if (x->x_ctlno >= 0 && x->x_ctlno != ctlnumber) return;
if (x->x_channel > 0 && x->x_channel != channel) return;
if (x->x_channel == 0) outlet_float(x->x_outlet3, channel);
if (x->x_ctlno < 0) outlet_float(x->x_outlet2, ctlnumber);
outlet_float(x->x_outlet1, value);
}
static void ctlin_free(t_ctlin *x)
{
pd_unbind(&x->x_obj.ob_pd, ctlin_sym);
}
void ctlin_setup(void)
{
ctlin_class = class_new(gensym("ctlin"), (t_newmethod)ctlin_new,
(t_method)ctlin_free, sizeof(t_ctlin),
CLASS_NOINLET, A_GIMME, 0);
class_addlist(ctlin_class, ctlin_list);
class_sethelpsymbol(ctlin_class, gensym("midi"));
ctlin_sym = gensym("#ctlin");
}
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