Commit 1c24d97b authored by Jonathan Wilkes's avatar Jonathan Wilkes
Browse files

Vanilla 0.47 backport 13: g_clone.c

parent b72eb039
#include "m_pd.h"
#include "g_canvas.h"
#include "m_imp.h"
#include <string.h>
/* ---------- clone - maintain copies of a patch ----------------- */
/* OOPS - have to add outlet vector to each copy to disambiguate */
/* next: feed each instance its serial number */
/* next next: DSP method */
#ifdef _WIN32
# include <malloc.h> /* MSVC or mingw on windows */
#elif defined(__linux__) || defined(__APPLE__)
# include <alloca.h> /* linux, mac, mingw, cygwin */
#else
# include <stdlib.h> /* BSDs for example */
#endif
#define LIST_NGETBYTE 100 /* bigger that this we use alloc, not alloca */
#define ATOMS_ALLOCA(x, n) ((x) = (t_atom *)((n) < LIST_NGETBYTE ? \
alloca((n) * sizeof(t_atom)) : getbytes((n) * sizeof(t_atom))))
#define ATOMS_FREEA(x, n) ( \
((n) < LIST_NGETBYTE || (freebytes((x), (n) * sizeof(t_atom)), 0)))
t_class *clone_class;
static t_class *clone_in_class, *clone_out_class;
typedef struct _copy
{
t_glist *c_gl;
int c_on; /* DSP running */
} t_copy;
typedef struct _in
{
t_class *i_pd;
struct _clone *i_owner;
int i_signal;
int i_n;
} t_in;
typedef struct _out
{
t_class *o_pd;
t_outlet *o_outlet;
int o_signal;
int o_n;
} t_out;
typedef struct _clone
{
t_object x_obj;
int x_n; /* number of copies */
t_copy *x_vec; /* the copies */
int x_nin;
t_in *x_invec;
int x_nout;
t_out **x_outvec;
t_symbol *x_s; /* name of abstraction */
int x_argc; /* creation arguments for abstractions */
t_atom *x_argv;
int x_phase;
int x_startvoice; /* number of first voice, 0 by default */
int x_suppressvoice; /* suppress voice number as $1 arg */
} t_clone;
int clone_match(t_pd *z, t_symbol *name, t_symbol *dir)
{
t_clone *x = (t_clone *)z;
if (!x->x_n)
return (0);
return (x->x_vec[0].c_gl->gl_name == name &&
canvas_getdir(x->x_vec[0].c_gl) == dir);
}
void obj_sendinlet(t_object *x, int n, t_symbol *s, int argc, t_atom *argv);
static void clone_in_list(t_in *x, t_symbol *s, int argc, t_atom *argv)
{
int n;
if (argc < 1 || argv[0].a_type != A_FLOAT)
pd_error(x->i_owner, "clone: no instance number in message");
else if ((n = argv[0].a_w.w_float - x->i_owner->x_startvoice) < 0 ||
n >= x->i_owner->x_n)
pd_error(x->i_owner, "clone: instance number %d out of range",
n + x->i_owner->x_startvoice);
else if (argc > 1 && argv[1].a_type == A_SYMBOL)
obj_sendinlet(&x->i_owner->x_vec[n].c_gl->gl_obj, x->i_n,
argv[1].a_w.w_symbol, argc-2, argv+2);
else obj_sendinlet(&x->i_owner->x_vec[n].c_gl->gl_obj, x->i_n,
&s_list, argc-1, argv+1);
}
static void clone_in_this(t_in *x, t_symbol *s, int argc, t_atom *argv)
{
int phase = x->i_owner->x_phase;
if (phase < 0 || phase >= x->i_owner->x_n)
phase = 0;
if (argc <= 0)
return;
else if (argv->a_type == A_SYMBOL)
obj_sendinlet(&x->i_owner->x_vec[phase].c_gl->gl_obj, x->i_n,
argv[0].a_w.w_symbol, argc-1, argv+1);
else obj_sendinlet(&x->i_owner->x_vec[phase].c_gl->gl_obj, x->i_n,
&s_list, argc, argv);
}
static void clone_in_next(t_in *x, t_symbol *s, int argc, t_atom *argv)
{
int phase = x->i_owner->x_phase + 1;
if (phase < 0 || phase >= x->i_owner->x_n)
phase = 0;
x->i_owner->x_phase = phase;
clone_in_this(x, s, argc, argv);
}
static void clone_in_set(t_in *x, t_floatarg f)
{
int phase = f;
if (phase < 0 || phase >= x->i_owner->x_n)
phase = 0;
x->i_owner->x_phase = phase;
}
static void clone_in_all(t_in *x, t_symbol *s, int argc, t_atom *argv)
{
int phasewas = x->i_owner->x_phase, i;
for (i = 0; i < x->i_owner->x_n; i++)
{
x->i_owner->x_phase = i;
clone_in_this(x, s, argc, argv);
}
}
static void clone_in_vis(t_in *x, t_floatarg fn, t_floatarg vis)
{
int n = fn - x->i_owner->x_startvoice;
if (n < 0)
n = 0;
else if (n >= x->i_owner->x_n)
n = x->i_owner->x_n - 1;
canvas_vis(x->i_owner->x_vec[n].c_gl, (vis != 0));
}
static void clone_out_anything(t_out *x, t_symbol *s, int argc, t_atom *argv)
{
t_atom *outv, *ap;
int first =
1 + (s != &s_list && s != &s_float && s != &s_symbol && s != &s_bang),
outc = argc + first;
ATOMS_ALLOCA(outv, outc);
SETFLOAT(outv, x->o_n);
if (first == 2)
SETSYMBOL(outv + 1, s);
memcpy(outv+first, argv, sizeof(t_atom) * argc);
outlet_list(x->o_outlet, 0, outc, outv);
ATOMS_FREEA(outv, outc);
}
static void clone_free(t_clone *x)
{
if (x->x_vec)
{
int i;
for (i = 0; i < x->x_n; i++)
{
canvas_closebang(x->x_vec[i].c_gl);
pd_free(&x->x_vec[i].c_gl->gl_pd);
}
t_freebytes(x->x_vec, x->x_n * sizeof(*x->x_vec));
t_freebytes(x->x_argv, x->x_argc * sizeof(*x->x_argv));
t_freebytes(x->x_invec, x->x_nin * sizeof(*x->x_invec));
for (i = 0; i < x->x_nout; i++)
t_freebytes(x->x_outvec[i],
x->x_nout * sizeof(*x->x_outvec[i]));
t_freebytes(x->x_outvec, x->x_nout * sizeof(*x->x_outvec));
}
}
extern t_pd *newest;
static t_canvas *clone_makeone(t_symbol *s, int argc, t_atom *argv)
{
t_canvas *retval;
newest = 0;
typedmess(&pd_objectmaker, s, argc, argv);
if (newest == 0)
{
error("clone: can't create subpatch '%s'",
s->s_name);
return (0);
}
if (*newest != canvas_class)
{
error("clone: can't clone '%s' because it's not an abstraction",
s->s_name);
pd_free(newest);
newest = 0;
return (0);
}
retval = (t_canvas *)newest;
newest = 0;
retval->gl_owner = 0;
retval->gl_isclone = 1;
return (retval);
}
void clone_setn(t_clone *x, t_floatarg f)
{
int dspstate = canvas_suspend_dsp();
int nwas = x->x_n, wantn = f, i, j;
if (wantn < 1)
{
pd_error(x, "can't resize to zero or negative number; setting to 1");
wantn = 1;
}
if (wantn > nwas)
for (i = nwas; i < wantn; i++)
{
t_canvas *c;
t_out *outvec;
SETFLOAT(x->x_argv, x->x_startvoice + i);
if (!(c = clone_makeone(x->x_s, x->x_argc - x->x_suppressvoice,
x->x_argv + x->x_suppressvoice)))
{
pd_error(x, "clone: couldn't create '%s'", x->x_s->s_name);
goto done;
}
x->x_vec = (t_copy *)t_resizebytes(x->x_vec, i * sizeof(t_copy),
(i+1) * sizeof(t_copy));
x->x_vec[i].c_gl = c;
x->x_vec[i].c_on = 0;
x->x_outvec = (t_out **)t_resizebytes(x->x_outvec,
i * sizeof(*x->x_outvec), (i+1) * sizeof(*x->x_outvec));
x->x_outvec[i] = outvec =
(t_out *)getbytes(x->x_nout * sizeof(*outvec));
for (j = 0; j < x->x_nout; j++)
{
outvec[j].o_pd = clone_out_class;
outvec[j].o_signal =
obj_issignaloutlet(&x->x_vec[0].c_gl->gl_obj, i);
outvec[j].o_n = x->x_startvoice + i;
outvec[j].o_outlet =
x->x_outvec[0][j].o_outlet;
obj_connect(&x->x_vec[i].c_gl->gl_obj, j,
(t_object *)(&outvec[j]), 0);
}
x->x_n++;
}
if (wantn < nwas)
{
for (i = wantn; i < nwas; i++)
{
canvas_closebang(x->x_vec[i].c_gl);
pd_free(&x->x_vec[i].c_gl->gl_pd);
}
x->x_vec = (t_copy *)t_resizebytes(x->x_vec, nwas * sizeof(t_copy),
wantn * sizeof(*x->x_vec));
x->x_n = wantn;
}
done:
canvas_resume_dsp(dspstate);
}
static void clone_click(t_clone *x, t_floatarg xpos, t_floatarg ypos,
t_floatarg shift, t_floatarg ctrl, t_floatarg alt)
{
if (!x->x_n)
return;
canvas_vis(x->x_vec[0].c_gl, 1);
}
static void clone_loadbang(t_clone *x, t_floatarg f)
{
int i;
if (f == LB_LOAD)
for (i = 0; i < x->x_n; i++)
canvas_loadbang(x->x_vec[i].c_gl);
else if (f == LB_CLOSE)
for (i = 0; i < x->x_n; i++)
canvas_closebang(x->x_vec[i].c_gl);
}
void canvas_dodsp(t_canvas *x, int toplevel, t_signal **sp);
t_signal *signal_newfromcontext(int borrowed);
void signal_makereusable(t_signal *sig);
static void clone_dsp(t_clone *x, t_signal **sp)
{
int i, j, nin, nout;
t_signal **tempsigs;
if (!x->x_n)
return;
for (i = nin = 0; i < x->x_nin; i++)
if (x->x_invec[i].i_signal)
nin++;
for (i = nout = 0; i < x->x_nout; i++)
if (x->x_outvec[0][i].o_signal)
nout++;
for (j = 0; j < x->x_n; j++)
{
if (obj_ninlets(&x->x_vec[j].c_gl->gl_obj) != x->x_nin ||
obj_noutlets(&x->x_vec[j].c_gl->gl_obj) != x->x_nout ||
obj_nsiginlets(&x->x_vec[j].c_gl->gl_obj) != nin ||
obj_nsigoutlets(&x->x_vec[j].c_gl->gl_obj) != nout)
{
pd_error(x, "clone: can't do DSP until edited copy is saved");
for (i = 0; i < nout; i++)
dsp_add_zero(sp[nin+i]->s_vec, sp[nin+i]->s_n);
return;
}
}
tempsigs = (t_signal **)alloca((nin + 3 * nout) * sizeof(*tempsigs));
/* load input signals into signal vector to send subpatches */
for (i = 0; i < nin; i++)
{
/* we already have one reference "counted" for our presumed
use of this input signal but we must add the others. */
sp[i]->s_refcount += x->x_n-1;
tempsigs[2 * nout + i] = sp[i];
}
/* for first copy, write output to first nout temp sigs */
for (i = 0; i < nout; i++)
tempsigs[i] = tempsigs[2 * nout + nin + i] = signal_newfromcontext(1);
canvas_dodsp(x->x_vec[0].c_gl, 0, tempsigs + 2*nout);
/* for remaining copies, write to second nout temp sigs */
for (j = 1; j < x->x_n; j++)
{
for (i = 0; i < nout; i++)
tempsigs[nout+i] = tempsigs[2 * nout + nin + i] =
signal_newfromcontext(1);
canvas_dodsp(x->x_vec[j].c_gl, 0, tempsigs + 2*nout);
for (i = 0; i < nout; i++)
{
dsp_add_plus(tempsigs[nout + i]->s_vec, tempsigs[i]->s_vec,
tempsigs[i]->s_vec, tempsigs[i]->s_n);
signal_makereusable(tempsigs[nout + i]);
}
}
/* copy to output signsls */
for (i = 0; i < nout; i++)
{
dsp_add_copy(tempsigs[i]->s_vec, sp[nin+i]->s_vec, tempsigs[i]->s_n);
signal_makereusable(tempsigs[i]);
}
}
static void *clone_new(t_symbol *s, int argc, t_atom *argv)
{
t_clone *x = (t_clone *)pd_new(clone_class);
t_canvas *c;
int wantn, dspstate, i;
t_out *outvec;
x->x_invec = 0;
x->x_outvec = 0;
x->x_startvoice = 0;
x->x_suppressvoice = 0;
if (argc == 0)
{
x->x_vec = 0;
x->x_n = 0;
return (x);
}
dspstate = canvas_suspend_dsp();
while (argc > 0 && argv[0].a_type == A_SYMBOL &&
argv[0].a_w.w_symbol->s_name[0] == '-')
{
if (!strcmp(argv[0].a_w.w_symbol->s_name, "-s") && argc > 1 &&
argv[1].a_type == A_FLOAT)
{
x->x_startvoice = argv[1].a_w.w_float;
argc -= 2; argv += 2;
}
else if (!strcmp(argv[0].a_w.w_symbol->s_name, "-x"))
x->x_suppressvoice = 1, argc--, argv++;
else goto usage;
}
if (argc >= 2 && (wantn = atom_getfloatarg(0, argc, argv)) >= 0
&& argv[1].a_type == A_SYMBOL)
x->x_s = argv[1].a_w.w_symbol;
else if (argc >= 2 && (wantn = atom_getfloatarg(1, argc, argv)) >= 0
&& argv[0].a_type == A_SYMBOL)
x->x_s = argv[0].a_w.w_symbol;
else goto usage;
/* store a copy of the argmuents with an extra space (argc+1) for
supplying an instance number, which we'll bash as we go. */
x->x_argc = argc - 1;
x->x_argv = getbytes(x->x_argc * sizeof(*x->x_argv));
memcpy(x->x_argv, argv+1, x->x_argc * sizeof(*x->x_argv));
SETFLOAT(x->x_argv, x->x_startvoice);
if (!(c = clone_makeone(x->x_s, x->x_argc - x->x_suppressvoice,
x->x_argv + x->x_suppressvoice)))
goto fail;
x->x_vec = (t_copy *)getbytes(sizeof(*x->x_vec));
x->x_vec[0].c_gl = c;
x->x_n = 1;
x->x_nin = obj_ninlets(&x->x_vec[0].c_gl->gl_obj);
x->x_invec = (t_in *)getbytes(x->x_nin * sizeof(*x->x_invec));
for (i = 0; i < x->x_nin; i++)
{
x->x_invec[i].i_pd = clone_in_class;
x->x_invec[i].i_owner = x;
x->x_invec[i].i_signal =
obj_issignalinlet(&x->x_vec[0].c_gl->gl_obj, i);
x->x_invec[i].i_n = i;
if (x->x_invec[i].i_signal)
signalinlet_new(&x->x_obj, 0);
else inlet_new(&x->x_obj, &x->x_invec[i].i_pd, 0, 0);
}
x->x_nout = obj_noutlets(&x->x_vec[0].c_gl->gl_obj);
x->x_outvec = (t_out **)getbytes(sizeof(*x->x_outvec));
x->x_outvec[0] = outvec =
(t_out *)getbytes(x->x_nout * sizeof(*outvec));
for (i = 0; i < x->x_nout; i++)
{
outvec[i].o_pd = clone_out_class;
outvec[i].o_signal =
obj_issignaloutlet(&x->x_vec[0].c_gl->gl_obj, i);
outvec[i].o_n = x->x_startvoice;
outvec[i].o_outlet =
outlet_new(&x->x_obj, (outvec[i].o_signal ? &s_signal : 0));
obj_connect(&x->x_vec[0].c_gl->gl_obj, i,
(t_object *)(&outvec[i]), 0);
}
clone_setn(x, (t_floatarg)(wantn));
x->x_phase = wantn-1;
canvas_resume_dsp(dspstate);
return (x);
usage:
error("usage: clone [-s starting-number] <number> <name> [arguments]");
fail:
freebytes(x, sizeof(t_clone));
canvas_resume_dsp(dspstate);
return (0);
}
void clone_setup(void)
{
clone_class = class_new(gensym("clone"), (t_newmethod)clone_new,
(t_method)clone_free, sizeof(t_clone), CLASS_NOINLET, A_GIMME, 0);
class_addmethod(clone_class, (t_method)clone_click, gensym("click"),
A_FLOAT, A_FLOAT, A_FLOAT, A_FLOAT, A_FLOAT, 0);
class_addmethod(clone_class, (t_method)clone_loadbang, gensym("loadbang"),
A_FLOAT, 0);
class_addmethod(clone_class, (t_method)clone_dsp,
gensym("dsp"), A_CANT, 0);
clone_in_class = class_new(gensym("clone-inlet"), 0, 0,
sizeof(t_in), CLASS_PD, 0);
class_addmethod(clone_in_class, (t_method)clone_in_next, gensym("next"),
A_GIMME, 0);
class_addmethod(clone_in_class, (t_method)clone_in_this, gensym("this"),
A_GIMME, 0);
class_addmethod(clone_in_class, (t_method)clone_in_set, gensym("set"),
A_FLOAT, 0);
class_addmethod(clone_in_class, (t_method)clone_in_all, gensym("all"),
A_GIMME, 0);
class_addmethod(clone_in_class, (t_method)clone_in_vis, gensym("vis"),
A_FLOAT, A_FLOAT, 0);
class_addlist(clone_in_class, (t_method)clone_in_list);
clone_out_class = class_new(gensym("clone-outlet"), 0, 0,
sizeof(t_in), CLASS_PD, 0);
class_addanything(clone_out_class, (t_method)clone_out_anything);
}
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