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#ifdef NT
#include "stdafx.h"
#include <io.h>
#endif
#include "m_pd.h"
#include <stdlib.h>
#include<time.h>
#include "metroplus.h"
/**
* The metroplus object is a more complex version of the metro
* object - it allows a list of time intervals to be given which are
* sequentially used thus giving a more compelex timing source
* than the metro object
*
* the code is based on the metro code from the pd source code
*/
static t_class *metroplus_class;
static t_class *metroplus_2_class;
/**
* clock tick - do a bang and wait the next
* time delay in the list
*/
static void metroplus_tick(t_metroplus *x)
{
x->x_hit = 0;
outlet_bang(x->x_obj.ob_outlet);
if (!x->x_hit) clock_delay(x->x_clock, metroplus_getNextDelay(x) );
}
/**
* switch the metroplus object on or off
*/
static void metroplus_float(t_metroplus *x, t_float f)
{
if (f != 0) metroplus_tick(x);
else clock_unset(x->x_clock);
x->x_hit = 1;
}
/**
* a bang turns us on - a start message also calls this function
*/
static void metroplus_bang(t_metroplus *x)
{
metroplus_float(x, 1);
}
/**
* a stop message turns us off
*/
static void metroplus_stop(t_metroplus *x)
{
metroplus_float(x, 0);
}
/**
* free our clock and our timer array
*/
static void metroplus_free(t_metroplus *x)
{
clock_free(x->x_clock);
free( x->x_times );
pd_free( &( (t_metroplus*)x->x_shadow)->x_obj.ob_pd );
}
/**
* get the next delay time in the list - wrap
* if we have run over the end
*/
static float metroplus_getNextDelay( t_metroplus *x )
{
if ( x->x_idx == x->x_size )
{
x->x_idx = 0;
}
return x->x_times[ x->x_idx++ ];
}
/*
* make a new metroplus - we can provide a list of times
* so read these in too
*/
static void *metroplus_new(t_symbol *s, int argc, t_atom *argv)
{
int i;
t_metroplus *x = (t_metroplus *)pd_new(metroplus_class);
t_metroplus *x1 = (t_metroplus *)pd_new(metroplus_2_class);
x->x_shadow=x1;
x1->x_shadow=x;
x->x_times = NULL;
// a silly little kludge - out time_seq method assumes it is accessed from x1
// so we have to pass a pointer to this so it can dereference it
metroplus_time_seq( x->x_shadow , s , argc , argv );
x->x_clock = clock_new(x, (t_method)metroplus_tick);
outlet_new(&x->x_obj, gensym("bang"));
inlet_new( &x->x_obj , &x1->x_obj.ob_pd,0,0);
//inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("list"), gensym("tseq"));
return (x);
}
/**
* set a time sequence and free the old array
*/
static void metroplus_time_seq( t_metroplus *x1, t_symbol *s, int ac, t_atom *av )
{
int i;
t_metroplus *x = x1->x_shadow;
if ( x->x_times != NULL )
{
free( x->x_times );
}
if ( ac > 0 )
{
x->x_times = (float *) malloc( ac * sizeof( float ));
for( i = 0 ; i < ac ; i++ )
{
float t = atom_getfloat( &av[i] );
x->x_times[i] = t > 0 ? t : 10;
}
x->x_size=ac;
}
else
{
x->x_times = (float *) malloc( sizeof( float ));
x->x_times[0] = 10;
x->x_size=1;
}
x->x_idx = 0;
x->x_hit = 0;
}
static void metroplus_time_float( t_metroplus *x1, t_float f )
{
int i;
t_metroplus *x = x1->x_shadow;
post("here with %f" , f );
if ( x->x_times != NULL )
{
free( x->x_times );
}
x->x_times = (float *) malloc( sizeof( float ));
x->x_times[0] = f > 0 ? f : 10;
x->x_size=1;
x->x_idx = 0;
x->x_hit = 0;
}
/**
* make a new one and setup all of our messages
*/
void metroplus_setup(void)
{
metroplus_class = class_new(gensym("metroplus"), (t_newmethod)metroplus_new,
(t_method)metroplus_free, sizeof(t_metroplus), 0, A_GIMME, 0);
metroplus_2_class = class_new(gensym("metroplus (second inlet)"), 0,
0, sizeof(t_metroplus), CLASS_PD | CLASS_NOINLET, 0);
class_addbang(metroplus_class, metroplus_bang);
class_addmethod(metroplus_class, (t_method)metroplus_stop, gensym("stop"), 0);
class_addmethod(metroplus_class, (t_method)metroplus_bang, gensym("start"), 0);
class_addmethod(metroplus_2_class, (t_method)metroplus_time_seq, gensym("list"),A_GIMME,0);
class_addmethod(metroplus_2_class, (t_method)metroplus_time_float ,gensym("float"),A_FLOAT,0);
class_sethelpsymbol(metroplus_class, gensym("mjLib/metroplus"));
}
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