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/* takes a map like 0 1 3 4 7 and a route. if the route and the input are */
/* non-zero in the map, then the route is output from the object */
#include "m_pd.h"
#include <math.h>
#include <string.h>
#define MAXENTRIES 512
#define LASTENTRY 511
static t_class *valve_class;
typedef struct _valve
{
t_object x_obj;
t_atom *map;
int bufsize;
t_float input, router, max;
t_outlet *routed, *notrouted;
int flush;
} t_valve;
static void valve_map(t_valve *x, t_symbol *s, int n, t_atom *map)
{
if (x->map) {
freebytes(x->map, x->bufsize * sizeof(t_atom));
x->map = 0;
x->bufsize = 0;
}
x->map = copybytes(map, n * sizeof(t_atom));
x->bufsize = n;
}
void valve_float(t_valve *x, t_floatarg fin)
{
if (x->map) {
int arg, arga, argb;
arga = argb = 0;
float testa, testb;
testa = testb = 0;
x->input = fin;
arg = (int)x->input;
testa = fin < 0 ? 0 : atom_getfloatarg(arg, x->bufsize, x->map);
testb = x->router < 0 ? 0 : atom_getfloatarg(x->router, x->bufsize, x->map);
arga = (int)testa;
argb = (int)testb;
if(arga && argb)
{
outlet_float(x->routed, x->router);
}
else if (!argb)
{
outlet_float(x->notrouted, argb);
}
else if (!arga && argb)
{
outlet_float(x->notrouted, arga);
}
}
}
void valve_set(t_valve *x, t_floatarg fmap, t_floatarg fval)
{
if(fmap < x->bufsize && fmap >= 0)
{
int imap = (int)fmap;
SETFLOAT(&x->map[imap], fval);
x->max = fmap > x->max ? fmap : x->max;
}
}
void valve_clear(t_valve *x)
{
if (x->map) {
freebytes(x->map, x->bufsize * sizeof(t_atom));
x->map = 0;
x->bufsize = 0;
}
}
void valve_debug(t_valve *x)
{
int i;
for(i=0;i<x->bufsize;i++) {
float element = atom_getfloatarg(i, x->bufsize, x->map);
post("element %d = %d", i, element);
}
post("max = %d", x->max);
}
void *valve_new(t_floatarg f)
{
t_valve *x = (t_valve *)pd_new(valve_class);
x->max = 0;
int i;
x->map = 0;
x->bufsize = 0;
floatinlet_new(&x->x_obj, &x->router);
x->routed = outlet_new(&x->x_obj, &s_float);
x->notrouted = outlet_new(&x->x_obj, &s_float);
return (void *)x;
}
void valve_setup(void)
{
valve_class = class_new(gensym("valve"),
(t_newmethod)valve_new,
0, sizeof(t_valve),
0, A_DEFFLOAT, 0);
post("|¬~¬~¬~¬~¬~¬valve~¬~¬~¬~¬~¬~¬|");
post("|~>^^^integer map router^^^<¬|");
post("|¬~¬~¬Edward Kelly 2007~¬~¬~¬|");
class_addfloat(valve_class, valve_float);
class_addmethod(valve_class, (t_method)valve_set, gensym("set"), A_DEFFLOAT, A_DEFFLOAT, 0);
class_addmethod(valve_class, (t_method)valve_map, gensym("map"), A_GIMME, 0);
class_addmethod(valve_class, (t_method)valve_clear, gensym("clear"), A_DEFFLOAT, 0);
class_addmethod(valve_class, (t_method)valve_debug, gensym("debug"), A_DEFFLOAT, 0);
}
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