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#include "../src/m_pd.h"
/* ---------- tabread: control, non-interpolating ------------------------ */
static t_class *tabread_class;
typedef struct _tabread
{
t_object x_obj;
t_symbol *x_arrayname;
} t_tabread;
static void tabread_float(t_tabread *x, t_float f)
{
t_garray *a;
int npoints;
t_sample *vec;
if (!(a = (t_garray *)pd_findbyclass(x->x_arrayname, garray_class)))
pd_error(x, "%s: no such array", x->x_arrayname->s_name);
else if (!garray_getfloatarray(a, &npoints, &vec))
pd_error(x, "%s: bad template for tabread", x->x_arrayname->s_name);
else
{
int n = f;
if (n < 0) n = 0;
else if (n >= npoints) n = npoints - 1;
outlet_float(x->x_obj.ob_outlet, (npoints ? fixtof(vec[n]) : 0));
}
}
static void tabread_set(t_tabread *x, t_symbol *s)
{
x->x_arrayname = s;
}
static void *tabread_new(t_symbol *s)
{
t_tabread *x = (t_tabread *)pd_new(tabread_class);
x->x_arrayname = s;
outlet_new(&x->x_obj, &s_float);
return (x);
}
void tabread_setup(void)
{
tabread_class = class_new(gensym("tabread"), (t_newmethod)tabread_new,
0, sizeof(t_tabread), 0, A_DEFSYM, 0);
class_addfloat(tabread_class, (t_method)tabread_float);
class_addmethod(tabread_class, (t_method)tabread_set, gensym("set"),
A_SYMBOL, 0);
}
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