diff options
Diffstat (limited to 'modules/generic/pdp_trigger.c')
| -rw-r--r-- | modules/generic/pdp_trigger.c | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/modules/generic/pdp_trigger.c b/modules/generic/pdp_trigger.c new file mode 100644 index 0000000..4bac9d1 --- /dev/null +++ b/modules/generic/pdp_trigger.c @@ -0,0 +1,192 @@ +/* + * Pure Data Packet module. + * Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org> + * + * 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 = pdp_sym_pdp(); + t_symbol *prc = pdp_sym_prc(); + 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 = pdp_sym_dpd(); + t_symbol *acc = pdp_sym_acc(); + 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 |