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/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
iem_t3_lib written by Gerhard Eckel, Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2006 */
#include "m_pd.h"
#include "iemlib.h"
/* ------------------------ t3_bpe ---------------------------- */
static t_class *t3_bpe_class;
typedef struct _t3_bpe
{
t_object x_obj;
t_atom x_at[2];
t_clock *x_clock;
int x_maxnum;
int x_curnum;
int x_curindex;
t_atom *x_beg;
double x_t3_bang;
double x_ticks2ms;
int x_hit;
void *x_out_val;
void *x_out_time;
void *x_out_finished;
} t_t3_bpe;
static void t3_bpe_stop(t_t3_bpe *x)
{
clock_unset(x->x_clock);
}
static void t3_bpe_tick(t_t3_bpe *x)
{
t_atom *vec = x->x_beg;
t_float val;
double dticks, time;
int iticks;
if(x->x_curindex >= x->x_curnum)
{
t3_bpe_stop(x);
outlet_float(x->x_out_finished, x->x_t3_bang);
}
else
{
x->x_hit = 0;
vec += x->x_curindex;
val = atom_getfloat(vec++);
time = (double)atom_getfloat(vec);
outlet_float(x->x_out_time, time);
x->x_at[1].a_w.w_float = val;
x->x_at[0].a_w.w_float = x->x_t3_bang;
outlet_list(x->x_obj.ob_outlet, &s_list, 2, x->x_at);
dticks = (time + x->x_t3_bang)/x->x_ticks2ms;
iticks = (int)dticks;
x->x_t3_bang = (dticks - (double)iticks)*x->x_ticks2ms;
if(!x->x_hit)
clock_delay(x->x_clock, (double)iticks*x->x_ticks2ms);
x->x_curindex += 2;
}
}
static void t3_bpe_float(t_t3_bpe *x, t_floatarg f)
{
double dticks;
int iticks;
if(x->x_curnum)
{
x->x_curindex = 0;
dticks = (double)f/x->x_ticks2ms;
iticks = (int)dticks;
x->x_t3_bang = (dticks - (double)iticks)*x->x_ticks2ms;
clock_delay(x->x_clock, (double)iticks*x->x_ticks2ms);
x->x_hit = 1;
}
}
static void t3_bpe_list(t_t3_bpe *x, t_symbol *s, int ac, t_atom *av)
{
int n = ac & 0xfffffffe, i;
t_atom *vec = x->x_beg;
if(n > x->x_maxnum)
{
freebytes(x->x_beg, x->x_maxnum*sizeof(t_atom));
x->x_maxnum = 2 + n;
x->x_beg = (t_atom *)getbytes(x->x_maxnum*sizeof(t_atom));
vec = x->x_beg;
}
x->x_curnum = n;
for(i=0; i<n; i++)
{
*vec++ = *av++;
}
}
static void t3_bpe_free(t_t3_bpe *x)
{
freebytes(x->x_beg, x->x_maxnum*sizeof(t_atom));
clock_free(x->x_clock);
}
static void *t3_bpe_new(void)
{
t_t3_bpe *x = (t_t3_bpe *)pd_new(t3_bpe_class);
x->x_t3_bang = 0.0;
x->x_ticks2ms = 1000.0*(double)sys_getblksize()/(double)sys_getsr();
x->x_curindex = 0;
x->x_maxnum = 20;
x->x_curnum = 0;
x->x_hit = 0;
x->x_beg = (t_atom *)getbytes(x->x_maxnum*sizeof(t_atom));
x->x_clock = clock_new(x, (t_method)t3_bpe_tick);
outlet_new(&x->x_obj, &s_list);
x->x_out_time = outlet_new(&x->x_obj, &s_float);
x->x_out_finished = outlet_new(&x->x_obj, &s_float);
x->x_at[0].a_type = A_FLOAT;
x->x_at[1].a_type = A_FLOAT;
return (x);
}
void t3_bpe_setup(void)
{
t3_bpe_class = class_new(gensym("t3_bpe"), (t_newmethod)t3_bpe_new,
(t_method)t3_bpe_free, sizeof(t_t3_bpe), 0, 0);
class_addmethod(t3_bpe_class, (t_method)t3_bpe_stop, gensym("stop"), 0);
class_addfloat(t3_bpe_class, (t_method)t3_bpe_float);
class_addlist(t3_bpe_class, (t_method)t3_bpe_list);
// class_sethelpsymbol(t3_bpe_class, gensym("iemhelp/help-t3_bpe"));
}
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