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/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2011 */
#include "m_pd.h"
#include "iemlib.h"
/* ------------------------------------ for++ -------------------------------------- */
/* -- an optional timed counter (begin number, end number, metro time, increment) -- */
typedef struct _forpp
{
t_object x_obj;
double x_beg;
double x_end;
double x_delay;
double x_cur;
double x_incr;
t_outlet *x_out_counter;
t_outlet *x_out_end;
t_clock *x_clock_incr;
t_clock *x_clock_end;
} t_forpp;
static t_class *forpp_class;
static void forpp_tick_end(t_forpp *x)
{
outlet_bang(x->x_out_end);
clock_unset(x->x_clock_end);
}
static void forpp_tick_incr(t_forpp *x)
{
int stop_it=1;
outlet_float(x->x_out_counter, (t_float)x->x_cur);
x->x_cur += x->x_incr;
if(x->x_incr > 0)
{
if(x->x_cur <= x->x_end)
stop_it = 0;
}
else
{
if(x->x_cur >= x->x_end)
stop_it = 0;
}
if(stop_it)
{
clock_unset(x->x_clock_incr);
clock_delay(x->x_clock_end, x->x_delay);
}
else
clock_delay(x->x_clock_incr, x->x_delay);
}
static void forpp_bang(t_forpp *x)
{
if(x->x_delay > 0.0)
{
x->x_cur = x->x_beg;
forpp_tick_incr(x);
}
else
{
double cur=x->x_beg, end=x->x_end, incr=x->x_incr;
if(x->x_end < x->x_beg)
{
for(; cur >= end; cur += incr)
outlet_float(x->x_out_counter, (t_float)cur);
}
else
{
for(; cur <= end; cur += incr)
outlet_float(x->x_out_counter, (t_float)cur);
}
outlet_bang(x->x_out_end);
}
}
static void forpp_start(t_forpp *x)
{
forpp_bang(x);
}
static void forpp_stop(t_forpp *x)
{
x->x_cur = x->x_end + x->x_incr;
clock_unset(x->x_clock_incr);
clock_unset(x->x_clock_end);
}
static void forpp_ft3(t_forpp *x, t_floatarg incr)
{
if(x->x_end < x->x_beg)
{
if(incr > 0.0)
incr = -incr;
}
else
{
if(incr < 0.0)
incr = -incr;
}
x->x_incr = (double)incr;
}
static void forpp_ft2(t_forpp *x, t_floatarg delay)
{
if(delay < 0.0)
delay = 0.0;
x->x_delay = (double)delay;
}
static void forpp_ft1(t_forpp *x, t_floatarg end)
{
x->x_end = (double)end;
forpp_ft3(x, (t_floatarg)x->x_incr);
}
static void forpp_float(t_forpp *x, t_floatarg beg)
{
x->x_beg = (double)beg;
forpp_ft3(x, (t_floatarg)x->x_incr);
}
static void forpp_list(t_forpp *x, t_symbol *s, int argc, t_atom *argv)
{
if((argc >= 4) && IS_A_FLOAT(argv, 3))
forpp_ft3(x, atom_getfloatarg(3, argc, argv));
if((argc >= 3) && IS_A_FLOAT(argv, 2))
forpp_ft2(x, atom_getfloatarg(2, argc, argv));
if((argc >= 2) && IS_A_FLOAT(argv, 1))
forpp_ft1(x, atom_getfloatarg(1, argc, argv));
if((argc >= 1) && IS_A_FLOAT(argv, 0))
forpp_float(x, atom_getfloatarg(0, argc, argv));
}
static void *forpp_new(t_symbol *s, int argc, t_atom *argv)
{
t_forpp *x = (t_forpp *)pd_new(forpp_class);
t_float fbeg=0.0, fend=0.0, fdelay=0.0, fincr=1.0; // default
if((argc >= 1) && IS_A_FLOAT(argv, 0))
fbeg = (t_float)atom_getfloatarg(0, argc, argv);
if((argc >= 2) && IS_A_FLOAT(argv, 1))
fend = (t_float)atom_getfloatarg(1, argc, argv);
if((argc >= 3) && IS_A_FLOAT(argv, 2))
fdelay = (t_float)atom_getfloatarg(2, argc, argv);
if((argc >= 4) && IS_A_FLOAT(argv, 3))
fincr = (t_float)atom_getfloatarg(3, argc, argv);
inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft1"));
inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft2"));
inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft3"));
x->x_out_counter = outlet_new(&x->x_obj, &s_float);
x->x_out_end = outlet_new(&x->x_obj, &s_bang);
x->x_clock_incr = clock_new(x, (t_method)forpp_tick_incr);
x->x_clock_end = clock_new(x, (t_method)forpp_tick_end);
x->x_beg = (double)fbeg;
x->x_end = (double)fend;
forpp_ft3(x, (t_floatarg)fincr);
forpp_ft2(x, (t_floatarg)fdelay);
x->x_cur = x->x_beg;
return(x);
}
static void forpp_ff(t_forpp *x)
{
clock_free(x->x_clock_incr);
clock_free(x->x_clock_end);
}
void forpp_setup(void)
{
forpp_class = class_new(gensym("for++"), (t_newmethod)forpp_new,
(t_method)forpp_ff, sizeof(t_forpp),
0, A_GIMME, 0);
class_addcreator((t_newmethod)forpp_new, gensym("for_pp"), A_GIMME, 0);
class_addbang(forpp_class, forpp_bang);
class_addfloat(forpp_class, forpp_float);
class_addlist(forpp_class, forpp_list);
class_addmethod(forpp_class, (t_method)forpp_start, gensym("start"), 0);
class_addmethod(forpp_class, (t_method)forpp_stop, gensym("stop"), 0);
class_addmethod(forpp_class, (t_method)forpp_ft1, gensym("ft1"), A_FLOAT, 0);
class_addmethod(forpp_class, (t_method)forpp_ft2, gensym("ft2"), A_FLOAT, 0);
class_addmethod(forpp_class, (t_method)forpp_ft3, gensym("ft3"), A_FLOAT, 0);
}
void setup_for0x2b0x2b(void)
{
forpp_setup();
}
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