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/*
* Pure Data Packet module.
* Copyright (c) by Tom Schouten <tom@zwizwa.be>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include "pdp.h"
#include "pdp_internals.h"
/* adapted from the pd trigger object */
#define TR_BANG 0
#define TR_FLOAT 1
#define TR_SYMBOL 2
#define TR_POINTER 3
#define TR_LIST 4
#define TR_ANYTHING 5
#define TR_PDP 6
/*
$$$TODO: emplement so that it behaves like the standard trigger object
i.e. [trigger bang pdp pdp bang pdp]
register_ro and register_rw messages pass right trough,
since they're not action events, only configure events.
a bang is made equivalent to a process event.
*/
typedef struct triggerout
{
int u_type; /* outlet type from above */
t_outlet *u_outlet;
} t_triggerout;
typedef struct pdp_trigger_struct
{
t_object x_obj;
t_float x_f;
int x_n;
t_triggerout *x_vec;
} t_pdp_trigger;
static void pdp_trigger_input_pdp(t_pdp_trigger *x, t_symbol *s, t_floatarg f)
{
t_atom atom[2];
t_symbol *pdp = S_PDP;
t_symbol *prc = S_PROCESS;
t_triggerout *u;
int i;
for (i = x->x_n, u = x->x_vec + i; u--, i--;){
/* trigger bang outlet only when a process event is recieved */
if ((u->u_type == TR_BANG) && (s == prc)){
outlet_bang(u->u_outlet);
}
/* just pass the message if it is a pdp outlet */
if ((u->u_type) == TR_PDP){
SETSYMBOL(atom+0, s);
SETFLOAT(atom+1, f);
if (s == prc) outlet_anything(u->u_outlet, pdp, 1, atom);
else outlet_anything(u->u_outlet, pdp, 2, atom);
}
}
}
static void pdp_trigger_input_dpd(t_pdp_trigger *x, t_symbol *s, t_floatarg f)
{
t_atom atom[2];
t_symbol *dpd = S_DPD;
t_symbol *acc = S_ACCUMULATE;
t_triggerout *u;
int i;
int p = (int)f;
for (i = x->x_n, u = x->x_vec + i; u--, i--;){
/* trigger outlet only when an accumulate event is recieved */
if (s == acc){
/* output bang */
if (u->u_type == TR_BANG) outlet_bang(u->u_outlet);
/* output a complete dpd message if it is a pdp outlet */
if ((u->u_type) == TR_PDP){
outlet_dpd(u->u_outlet, p);
}
}
}
}
static void pdp_trigger_free(t_pdp_trigger *x)
{
pdp_dealloc(x->x_vec);
}
t_class *pdp_trigger_class;
static void *pdp_trigger_new(t_symbol *s, int argc, t_atom *argv)
{
t_pdp_trigger *x = (t_pdp_trigger *)pd_new(pdp_trigger_class);
t_atom defarg[2], *ap;
t_triggerout *u;
int i;
if (!argc)
{
argv = defarg;
argc = 2;
SETSYMBOL(&defarg[0], gensym("pdp"));
SETSYMBOL(&defarg[1], gensym("bang"));
}
x->x_n = argc;
x->x_vec = pdp_alloc(argc * sizeof(*x->x_vec));
for (i = 0, ap = argv, u = x->x_vec; i < argc; u++, ap++, i++)
{
t_atomtype thistype = ap->a_type;
char c;
if (thistype == TR_SYMBOL) c = ap->a_w.w_symbol->s_name[0];
else c = 0;
if (c == 'p')
u->u_type = TR_PDP,
u->u_outlet = outlet_new(&x->x_obj, &s_anything);
else if (c == 'b')
u->u_type = TR_BANG, u->u_outlet = outlet_new(&x->x_obj, &s_bang);
else
{
pd_error(x, "pdp_trigger: %s: bad type", ap->a_w.w_symbol->s_name);
u->u_type = TR_BANG, u->u_outlet = outlet_new(&x->x_obj, &s_bang);
}
}
return (void *)x;
}
#ifdef __cplusplus
extern "C"
{
#endif
void pdp_trigger_setup(void)
{
pdp_trigger_class = class_new(gensym("pdp_trigger"), (t_newmethod)pdp_trigger_new,
(t_method)pdp_trigger_free, sizeof(t_pdp_trigger), 0, A_GIMME, A_NULL);
class_addcreator((t_newmethod)pdp_trigger_new, gensym("pdp_t"), A_GIMME, 0);
class_addmethod(pdp_trigger_class, (t_method)pdp_trigger_input_pdp, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL);
class_addmethod(pdp_trigger_class, (t_method)pdp_trigger_input_dpd, gensym("dpd"), A_SYMBOL, A_DEFFLOAT, A_NULL);
}
#ifdef __cplusplus
}
#endif
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