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/* Copyright (c) 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. */
/* LATER: 'click' method */
#include "m_pd.h"
#include "unstable/fragile.h"
#include "sickle/sic.h"
#include "sickle/arsic.h"
#define POKE_MAXCHANNELS 4 /* LATER implement arsic resizing feature */
typedef struct _poke
{
t_arsic x_arsic;
int x_maxchannels;
int x_effchannel; /* effective channel (clipped reqchannel) */
int x_reqchannel; /* requested channel */
t_sample *x_indexptr;
t_clock *x_clock;
double x_clocklasttick;
int x_clockset;
} t_poke;
static t_class *poke_class;
static void poke_tick(t_poke *x)
{
arsic_redraw((t_arsic *)x); /* LATER redraw only dirty channel(s!) */
x->x_clockset = 0;
x->x_clocklasttick = clock_getsystime();
}
static void poke_set(t_poke *x, t_symbol *s)
{
arsic_setarray((t_arsic *)x, s, 1);
}
static void poke_bang(t_poke *x)
{
arsic_redraw((t_arsic *)x);
}
/* CHECKED: index 0-based, negative values block input, overflowed are clipped.
LATER revisit: incompatibly, the code below is nop for any out-of-range index
(see also peek.c) */
/* CHECKED: value never clipped, 'clip' not understood */
/* CHECKED: no float-to-signal conversion. 'Float' message is ignored
when dsp is on -- whether a signal is connected to the left inlet, or not
(if not, current index is set to zero). Incompatible (revisit LATER) */
static void poke_float(t_poke *x, t_float f)
{
t_arsic *sic = (t_arsic *)x;
t_float *vp;
arsic_validate(sic, 0); /* LATER rethink (efficiency, and complaining) */
if (vp = sic->s_vectors[x->x_effchannel])
{
int ndx = (int)*x->x_indexptr;
if (ndx >= 0 && ndx < sic->s_vecsize)
{
double timesince;
vp[ndx] = f;
timesince = clock_gettimesince(x->x_clocklasttick);
if (timesince > 1000) poke_tick(x);
else if (!x->x_clockset)
{
clock_delay(x->x_clock, 1000 - timesince);
x->x_clockset = 1;
}
}
}
}
static void poke_ft2(t_poke *x, t_floatarg f)
{
if ((x->x_reqchannel = (f > 1 ? (int)f - 1 : 0)) > x->x_maxchannels)
x->x_effchannel = x->x_maxchannels - 1;
else
x->x_effchannel = x->x_reqchannel;
}
static t_int *poke_perform(t_int *w)
{
t_arsic *sic = (t_arsic *)(w[1]);
int nblock = (int)(w[2]);
t_float *in1 = (t_float *)(w[3]);
t_float *in2 = (t_float *)(w[4]);
t_poke *x = (t_poke *)sic;
t_float *vp = sic->s_vectors[x->x_effchannel];
if (vp && sic->s_playable)
{
int vecsize = sic->s_vecsize;
while (nblock--)
{
t_float f = *in1++;
int ndx = (int)*in2++;
if (ndx >= 0 && ndx < vecsize)
vp[ndx] = f;
}
}
return (w + sic->s_nperfargs + 1);
}
static void poke_dsp(t_poke *x, t_signal **sp)
{
arsic_dsp((t_arsic *)x, sp, poke_perform, 0);
}
static void poke_free(t_poke *x)
{
if (x->x_clock) clock_free(x->x_clock);
arsic_free((t_arsic *)x);
}
static void *poke_new(t_symbol *s, t_floatarg f)
{
int ch = (f > 0 ? (int)f : 0);
t_poke *x = (t_poke *)arsic_new(poke_class, s,
(ch ? POKE_MAXCHANNELS : 0), 2, 0);
if (x)
{
t_inlet *in2;
if (ch > POKE_MAXCHANNELS)
ch = POKE_MAXCHANNELS;
x->x_maxchannels = (ch ? POKE_MAXCHANNELS : 1);
x->x_effchannel = x->x_reqchannel = (ch ? ch - 1 : 0);
/* CHECKED: no float-to-signal conversion.
Floats in 2nd inlet are ignored when dsp is on, but only if a signal
is connected to this inlet. Incompatible (revisit LATER). */
in2 = inlet_new((t_object *)x, (t_pd *)x, &s_signal, &s_signal);
x->x_indexptr = fragile_inlet_signalscalar(in2);
inlet_new((t_object *)x, (t_pd *)x, &s_float, gensym("ft2"));
x->x_clock = clock_new(x, (t_method)poke_tick);
x->x_clocklasttick = clock_getsystime();
x->x_clockset = 0;
}
return (x);
}
void poke_tilde_setup(void)
{
poke_class = class_new(gensym("poke~"),
(t_newmethod)poke_new,
(t_method)poke_free,
sizeof(t_poke), 0,
A_DEFSYM, A_DEFFLOAT, 0);
arsic_setup(poke_class, poke_dsp, poke_float);
class_addbang(poke_class, poke_bang); /* LATER rethink */
class_addfloat(poke_class, poke_float);
class_addmethod(poke_class, (t_method)poke_set,
gensym("set"), A_SYMBOL, 0);
class_addmethod(poke_class, (t_method)poke_ft2,
gensym("ft2"), A_FLOAT, 0);
}
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