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/* Copyright (c) 2002-2005 krzYszcz and others.
* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution. */
#include "m_pd.h"
#include "common/loud.h"
#include "common/fitter.h"
#define SWITCH_MININLETS 2 /* LATER consider using 1 (with a warning) */
#define SWITCH_C74MAXINLETS 100
#define SWITCH_DEFINLETS 2
typedef struct _switch
{
t_object x_ob;
int x_open;
int x_ninlets; /* not counting left one */
int x_nproxies; /* as requested (and allocated) */
t_pd **x_proxies;
} t_switch;
typedef struct _switch_proxy
{
t_object p_ob;
t_switch *p_master;
int p_id;
} t_switch_proxy;
static t_class *switch_class;
static t_class *switch_proxy_class;
static void switch_proxy_bang(t_switch_proxy *x)
{
t_switch *master = x->p_master;
if (master->x_open == x->p_id)
outlet_bang(((t_object *)master)->ob_outlet);
}
static void switch_proxy_float(t_switch_proxy *x, t_float f)
{
t_switch *master = x->p_master;
if (master->x_open == x->p_id)
outlet_float(((t_object *)master)->ob_outlet, f);
}
static void switch_proxy_symbol(t_switch_proxy *x, t_symbol *s)
{
t_switch *master = x->p_master;
if (master->x_open == x->p_id)
outlet_symbol(((t_object *)master)->ob_outlet, s);
}
static void switch_proxy_pointer(t_switch_proxy *x, t_gpointer *gp)
{
t_switch *master = x->p_master;
if (master->x_open == x->p_id)
outlet_pointer(((t_object *)master)->ob_outlet, gp);
}
static void switch_proxy_list(t_switch_proxy *x,
t_symbol *s, int ac, t_atom *av)
{
t_switch *master = x->p_master;
if (master->x_open == x->p_id)
outlet_list(((t_object *)master)->ob_outlet, s, ac, av);
}
static void switch_proxy_anything(t_switch_proxy *x,
t_symbol *s, int ac, t_atom *av)
{
t_switch *master = x->p_master;
if (master->x_open == x->p_id)
outlet_anything(((t_object *)master)->ob_outlet, s, ac, av);
}
static void switch_float(t_switch *x, t_float f)
{
int i = (int)f;
if (i < 0) i = -i;
if (i > x->x_ninlets) i = x->x_ninlets;
x->x_open = i;
}
static void switch_bang(t_switch *x)
{
outlet_float(((t_object *)x)->ob_outlet, x->x_open);
}
static void switch_free(t_switch *x)
{
if (x->x_proxies)
{
int i = x->x_ninlets;
while (i--) pd_free(x->x_proxies[i]);
freebytes(x->x_proxies, x->x_nproxies * sizeof(*x->x_proxies));
}
}
static void *switch_new(t_floatarg f1, t_floatarg f2)
{
t_switch *x;
int i, ninlets, nproxies = (int)f1;
t_pd **proxies;
if (nproxies < SWITCH_MININLETS)
nproxies = SWITCH_DEFINLETS;
if (nproxies > SWITCH_C74MAXINLETS)
fittermax_rangewarning(switch_class, SWITCH_C74MAXINLETS, "inlets");
if (!(proxies = (t_pd **)getbytes(nproxies * sizeof(*proxies))))
return (0);
for (ninlets = 0; ninlets < nproxies; ninlets++)
if (!(proxies[ninlets] = pd_new(switch_proxy_class))) break;
if (ninlets < SWITCH_MININLETS)
{
int i = ninlets;
while (i--) pd_free(proxies[i]);
freebytes(proxies, nproxies * sizeof(*proxies));
return (0);
}
x = (t_switch *)pd_new(switch_class);
x->x_ninlets = ninlets;
x->x_nproxies = nproxies;
x->x_proxies = proxies;
for (i = 0; i < ninlets; i++)
{
t_switch_proxy *y = (t_switch_proxy *)proxies[i];
y->p_master = x;
y->p_id = i + 1;
inlet_new((t_object *)x, (t_pd *)y, 0, 0);
}
outlet_new((t_object *)x, &s_anything);
switch_float(x, (f2 > 0 ? f2 : 0)); /* CHECKED */
return (x);
}
void switch_setup(void)
{
switch_class = class_new(gensym("switch"),
(t_newmethod)switch_new,
(t_method)switch_free,
sizeof(t_switch), 0,
A_DEFFLOAT, A_DEFFLOAT, 0);
class_addfloat(switch_class, switch_float);
class_addbang(switch_class, switch_bang);
switch_proxy_class = class_new(gensym("_switch_proxy"), 0, 0,
sizeof(t_switch_proxy),
CLASS_PD | CLASS_NOINLET, 0);
class_addfloat(switch_proxy_class, switch_proxy_float);
class_addbang(switch_proxy_class, switch_proxy_bang);
class_addsymbol(switch_proxy_class, switch_proxy_symbol);
class_addpointer(switch_proxy_class, switch_proxy_pointer);
class_addlist(switch_proxy_class, switch_proxy_list);
class_addanything(switch_proxy_class, switch_proxy_anything);
fitter_setup(switch_class, 0);
}
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