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#include "m_pd.h"
#include <math.h>
#include <string.h>
#define MAXENTRIES 512
#define LASTENTRY 511
static t_class *polystat_class;
typedef struct _map
{
t_atom map[MAXENTRIES];
t_atom maxlist[MAXENTRIES];
t_atom outlist[MAXENTRIES];
} t_map;
typedef struct _polystat
{
t_object x_obj;
t_map x_map;
t_int voices, max, maxval, maxindex, maxflag, maxcount, highest, mode;
t_outlet *voice, *value, *vars, *maxvox, *mapped;
} t_polystat;
void polystat_float(t_polystat *x, t_floatarg fin)
{
int voice = (int)fin;
int inst;
int maxindex = (int)x->maxindex + 1;
if(voice >= 0 && voice < MAXENTRIES)
{
int instances = atom_getfloatarg(voice, MAXENTRIES, x->x_map.map);
if(instances == 0)x->voices++;
inst = instances + 1;
SETFLOAT(&x->x_map.map[voice], inst);
if(x->mode == 0)
{
if(inst >= x->max && voice != x->maxval)
{
x->maxflag = x->maxcount >= MAXENTRIES ? 1 : x->maxflag == 1 ? 1 : 0;
x->maxcount += 1;
x->maxcount = x->maxcount > MAXENTRIES ? MAXENTRIES : x->maxcount;
x->maxindex = maxindex % MAXENTRIES;
SETFLOAT(&x->x_map.maxlist[x->maxindex], voice);
x->maxval = voice;
x->max = inst;
outlet_float(x->maxvox, voice);
}
else if(inst >= x->max && voice == x->maxval)
{
x->max = inst;
outlet_float(x->maxvox, voice);
}
}
else if(x->mode != 0)
{
if(inst > x->max && voice != x->maxval)
{
x->maxflag = x->maxcount >= MAXENTRIES ? 1 : x->maxflag == 1 ? 1 : 0;
x->maxcount += 1;
x->maxcount = x->maxcount > MAXENTRIES ? MAXENTRIES : x->maxcount;
x->maxindex = (float)(maxindex % MAXENTRIES);
SETFLOAT(&x->x_map.maxlist[x->maxindex], voice);
x->maxval = voice;
x->max = inst;
outlet_float(x->maxvox, voice);
}
else if(inst > x->max && voice == x->maxval)
{
x->max = inst;
outlet_float(x->maxvox, voice);
}
}
x->highest = voice > x->highest ? voice : x->highest;
outlet_float(x->vars, x->voices);
outlet_float(x->value, inst);
outlet_float(x->voice, voice);
}
}
void polystat_clear(t_polystat *x, t_floatarg fin)
{
int inst = (int)fin;
int indexed = (int)(x->maxindex+(MAXENTRIES*x->maxflag));
int modindex = 0;
int counted = 0;
float current = atom_getfloatarg(inst, MAXENTRIES, x->x_map.map);
float voice;
voice = 0;
if(x->voices > 0 && current > 0)
{
x->voices--;
SETFLOAT(&x->x_map.map[inst], 0);
current = 0;
if(current == 0 && x->maxcount > 0)
{
indexed--;
x->maxcount--;
modindex = (indexed+MAXENTRIES) % MAXENTRIES;
voice = atom_getfloatarg(modindex, MAXENTRIES, x->x_map.maxlist);
current = atom_getfloatarg(voice, MAXENTRIES, x->x_map.map);
}
if(x->maxcount == 0 || current == 0)
{
x->max = 0;
x->maxval = 0;
x->maxindex = 0;
}
else if(x->maxcount > 0 || current > 0)
{
x->max = current;
x->maxval = voice;
x->maxindex = modindex;
}
}
outlet_float(x->maxvox, x->maxval);
outlet_float(x->vars, x->voices);
outlet_float(x->value, x->max);
}
void polystat_print(t_polystat *x, t_symbol *s)
{
post("most_instances = %d at voice %d, voices = %d, highest_voice = %d", x->max, x->maxval, x->voices, x->highest);
}
void polystat_get(t_polystat *x, t_floatarg fin)
{
int inst = (int)fin;
float voice, instances;
voice = instances = 0;
if(x->voices>0 && inst>=0 && inst<MAXENTRIES)
{
instances = atom_getfloatarg(inst, MAXENTRIES, x->x_map.map);
voice = inst;
}
if(instances>0)
{
outlet_float(x->value, instances);
outlet_float(x->voice, voice);
}
}
void polystat_clearall(t_polystat *x)
{
int i;
for(i=0;i<MAXENTRIES;i++)
{
SETFLOAT(&x->x_map.map[i],0);
SETFLOAT(&x->x_map.maxlist[i],0);
}
x->voices = x->max = x->maxval = x->maxindex = x->highest = x->maxcount = 0;
outlet_float(x->vars, x->voices);
}
void polystat_getmap(t_polystat *x, t_symbol *s) //output map. terminate map at highest voice.
{
if(x->voices>0)
{
outlet_list(x->mapped, gensym("list"), x->highest+1, x->x_map.map);
}
}
void polystat_setmap(t_polystat *x, t_symbol *s, int argc, t_atom *argv)
{
int i;
float arg, max, maxval, high;
max = maxval = high = 0;
for(i=0;i<argc;i++)
{
arg = atom_getfloat(argv+i);
if(arg != 0)
{
if(x->mode==0)
{
if(arg>=maxval)
{
maxval = arg;
max = i;
}
}
else if(x->mode!=0)
{
if(arg>maxval)
{
maxval = arg;
max = i;
}
}
x->highest = i;
SETFLOAT(&x->x_map.map[i], arg);
SETFLOAT(&x->x_map.maxlist[i], 0);
}
}
x->max = max;
x->maxval = maxval;
SETFLOAT(&x->x_map.maxlist[0], max);
}
void polystat_bang(t_polystat *x, t_symbol *s)
{
outlet_float(x->vars, x->voices);
outlet_float(x->value, x->maxval);
outlet_float(x->voice, x->max);
}
void polystat_voices(t_polystat *x, t_symbol *s) //list all voices
{
int i, mindex, current;
mindex=0;
for(i=0;i<(x->highest+1);i++)
{
current = atom_getfloatarg(i, MAXENTRIES, x->x_map.map);
if(current>0)
{
SETFLOAT(&x->x_map.outlist[mindex],(float)i);
mindex++;
}
}
outlet_list(x->mapped, gensym("list"), x->voices, x->x_map.outlist);
}
void polystat_mode(t_polystat *x, t_floatarg fmode)
{
x->mode = fmode;
}
void *polystat_new(t_floatarg f)
{
t_polystat *x = (t_polystat *)pd_new(polystat_class);
x->mode = f;
x->max = x->maxval = x->voices = x->maxindex = x->maxcount = x->highest = 0;
//memset(x->x_map.map, 0, MAXENTRIES);
//memset(x->x_map.nomap, 1, MAXENTRIES);
int i;
for(i=0;i<MAXENTRIES;i++)
{
SETFLOAT(x->x_map.map+i, 0);
SETFLOAT(x->x_map.maxlist+i, 0);
}
x->voice = outlet_new(&x->x_obj, &s_float);
x->value = outlet_new(&x->x_obj, &s_float);
x->vars = outlet_new(&x->x_obj, &s_float);
x->maxvox = outlet_new(&x->x_obj, &s_float);
x->mapped = outlet_new(&x->x_obj, &s_list);
return (void *)x;
}
void polystat_setup(void)
{
polystat_class = class_new(gensym("polystat"),
(t_newmethod)polystat_new,
0, sizeof(t_polystat),
0, A_DEFFLOAT, 0);
post("|^^^^^^^^^^^^polystat^^^^^^^^^^^^|");
post("|->^^^^polyphony statistics^^^^<-|");
post("|^^^^^^^^Edward Kelly 2006^^^^^^^|");
class_sethelpsymbol(polystat_class, gensym("help-polystat"));
class_addfloat(polystat_class, polystat_float);
class_addmethod(polystat_class, (t_method)polystat_clear, gensym("clear"), A_DEFFLOAT, 0);
class_addmethod(polystat_class, (t_method)polystat_get, gensym("get"), A_DEFFLOAT, 0);
class_addmethod(polystat_class, (t_method)polystat_clearall, gensym("clearall"), A_DEFFLOAT, 0);
class_addmethod(polystat_class, (t_method)polystat_getmap, gensym("getmap"), A_DEFFLOAT, 0);
class_addmethod(polystat_class, (t_method)polystat_setmap, gensym("setmap"), A_GIMME, 0);
class_addmethod(polystat_class, (t_method)polystat_voices, gensym("voices"), A_DEFFLOAT, 0);
class_addmethod(polystat_class, (t_method)polystat_mode, gensym("mode"), A_DEFFLOAT, 0);
class_addmethod(polystat_class, (t_method)polystat_print, gensym("print"), A_DEFFLOAT, 0);
class_addbang(polystat_class, (t_method)polystat_bang);
}
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