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#include "MSPd.h"
#define OBJECT_NAME "impulse~"
#if __MSP__
void *impulse_class;
#endif
#if __PD__
static t_class *impulse_class;
#endif
typedef struct _impulse
{
#if __MSP__
t_pxobject x_obj;
#endif
#if __PD__
t_object x_obj;
float x_f;
#endif
int activated;
} t_impulse;
void *impulse_new(t_symbol *s, int argc, t_atom *argv);
t_int *impulse_perform(t_int *w);
void impulse_dsp(t_impulse *x, t_signal **sp, short *count);
void impulse_assist(t_impulse *x, void *b, long m, long a, char *s);
void impulse_bang(t_impulse *x);
void impulse_bang(t_impulse *x) {
x->activated = 1 ;
}
#if __MSP__
void main(void)
{
setup((t_messlist **)&impulse_class, (method)impulse_new, (method)dsp_free,
(short)sizeof(t_impulse), 0, A_GIMME, 0);
addmess((method)impulse_dsp, "dsp", A_CANT, 0);
addmess((method)impulse_assist,"assist",A_CANT,0);
addmess((method)impulse_bang,"bang",A_CANT,0);
dsp_initclass();
post("%s %s",OBJECT_NAME, LYONPOTPOURRI_MSG);
}
#endif
#if __PD__
#define NO_FREE_FUNCTION 0
void impulse_tilde_setup(void)
{
impulse_class = class_new(gensym("impulse~"), (t_newmethod)impulse_new,
NO_FREE_FUNCTION,sizeof(t_impulse), 0,A_GIMME,0);
CLASS_MAINSIGNALIN(impulse_class, t_impulse, x_f);
class_addmethod(impulse_class, (t_method)impulse_dsp, gensym("dsp"), 0);
class_addmethod(impulse_class, (t_method)impulse_bang, gensym("bang"), 0);
post("%s %s",OBJECT_NAME, LYONPOTPOURRI_MSG);
}
#endif
void impulse_assist (t_impulse *x, void *b, long msg, long arg, char *dst)
{
if (msg==1) {
switch (arg) {
case 0:sprintf(dst,"(bang) Trigger Impulse");break;
}
} else if (msg==2) {
sprintf(dst,"(signal) Output");
}
}
void *impulse_new(t_symbol *s, int argc, t_atom *argv)
{
#if __MSP__
t_impulse *x = (t_impulse *)newobject(impulse_class);
dsp_setup((t_pxobject *)x,0); // No Signal Inlets
outlet_new((t_pxobject *)x, "signal");
#endif
#if __PD__
t_impulse *x = (t_impulse *)pd_new(impulse_class);
outlet_new(&x->x_obj, gensym("signal"));
#endif
x->activated = 0;
return (x);
}
t_int *impulse_perform(t_int *w)
{
t_impulse *x = (t_impulse *) (w[1]);
t_float *out = (t_float *)(w[2]);
t_int n = w[3];
int activated = x->activated;
while( n-- ) {
if( activated ) {
*out++ = 1.0;
activated = 0;
}
else *out++ = 0.0;
}
x->activated = activated;
return (w+4);
}
void impulse_dsp(t_impulse *x, t_signal **sp, short *count)
{
dsp_add(impulse_perform, 3, x, sp[0]->s_vec,sp[0]->s_n);
}
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