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/* Copyright (c) 2005 krzYszcz and others.
* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution. */
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include "m_pd.h"
#include "fitter.h"
#ifdef KRZYSZCZ
# include "loud.h"
# define FITTER_DEBUG
#else
# define loudbug_bug(msg) fprintf(stderr, "BUG: %s\n", msg), bug(msg)
#endif
/* FIXME compatibility mode should be a standard Pd feature. When it is,
it will be possible to simplify the implementation. Until then,
we have to handle multiple copies of the 'fitterstate_mode' variable
(coming from different externals), and the only way is multicasting
through a symbol (#miXed). */
static t_symbol *fitterstate_mode = 0;
/* FIXME keep state in an extensible fitterstate_dictionary */
static t_symbol *fitterstate_test = 0;
typedef struct _fitterstate_client
{
t_class *fc_owner;
t_canvas *fc_canvas;
t_fitterstate_callback fc_callback;
struct _fitterstate_client *fc_next;
} t_fitterstate_client;
static t_fitterstate_client *fitterstate_clients = 0;
static t_class *fitterstate_class = 0;
static t_pd *fitterstate_target = 0;
static int fitterstate_ready = 0;
static t_symbol *fitterps_hashmiXed = 0;
static t_symbol *fitterps_mode = 0;
static t_symbol *fitterps_test = 0;
static t_symbol *fitterps_max = 0;
static t_symbol *fitterps_none = 0;
/* read access (query), called only from fitterstate_dosetup()
or through "#miXed" */
static void fitterstate_bang(t_pd *x)
{
if (fitterps_hashmiXed)
{
if (fitterstate_ready /* do not reply to own request */
&& fitterps_hashmiXed->s_thing)
{
t_atom atout[2];
/* these proliferate for the third and subsequent
fitterstate_dosetup() calls... */
SETSYMBOL(&atout[0], fitterps_mode);
SETSYMBOL(&atout[1], fitterstate_mode);
typedmess(fitterps_hashmiXed->s_thing, gensym("reply"), 2, atout);
SETSYMBOL(&atout[0], fitterps_test);
SETSYMBOL(&atout[1], fitterstate_test);
typedmess(fitterps_hashmiXed->s_thing, gensym("reply"), 2, atout);
}
}
else loudbug_bug("fitterstate_bang");
}
/* read access (query), called only through "#miXed" */
static void fitterstate_symbol(t_pd *x, t_symbol *s)
{
if (fitterstate_ready && fitterps_hashmiXed && fitterps_hashmiXed->s_thing)
{
t_atom atout[2];
if (s == fitterps_mode)
{
SETSYMBOL(&atout[0], fitterps_mode);
SETSYMBOL(&atout[1], fitterstate_mode);
typedmess(fitterps_hashmiXed->s_thing, gensym("reply"), 2, atout);
}
else if (s == fitterps_test)
{
SETSYMBOL(&atout[0], fitterps_test);
SETSYMBOL(&atout[1], fitterstate_test);
typedmess(fitterps_hashmiXed->s_thing, gensym("reply"), 2, atout);
}
else post("\"%s\": no such key in the miXed state",
(s ? s->s_name : "???"));
}
else loudbug_bug("fitterstate_symbol");
}
/* read access (reply), called only from fitter_dosetup() or through "#miXed" */
static void fitterstate_reply(t_pd *x, t_symbol *s1, t_symbol *s2)
{
if (!s2 || s2 == &s_)
{
loudbug_bug("fitterstate_reply");
s2 = fitterps_none;
}
if (s1 == fitterps_mode)
fitterstate_mode = s2;
else if (s1 == fitterps_test)
fitterstate_test = s2;
}
/* write access, called only from fitter_setmode() or through "#miXed" */
static void fitterstate_set(t_pd *x, t_symbol *s1, t_symbol *s2)
{
t_fitterstate_client *fc;
if (s1 == fitterps_mode)
fitterstate_mode = s2;
else if (s1 == fitterps_test)
fitterstate_test = s2;
for (fc = fitterstate_clients; fc; fc = fc->fc_next)
if (fc->fc_callback)
fc->fc_callback();
}
static void fitterstate_dosetup(int noquery)
{
if (fitterstate_class || fitterstate_target)
loudbug_bug("fitterstate_dosetup");
fitterps_hashmiXed = gensym("#miXed");
fitterps_mode = gensym("mode");
fitterps_test = gensym("test");
fitterps_max = gensym("max");
fitterps_none = gensym("none");
fitterstate_mode = fitterps_none;
fitterstate_test = fitterps_none;
fitterstate_class = class_new(fitterps_hashmiXed,
0, 0, sizeof(t_pd),
CLASS_PD | CLASS_NOINLET, 0);
class_addbang(fitterstate_class, fitterstate_bang);
class_addsymbol(fitterstate_class, fitterstate_symbol);
class_addmethod(fitterstate_class,
(t_method)fitterstate_reply,
gensym("reply"), A_SYMBOL, A_SYMBOL, 0);
class_addmethod(fitterstate_class,
(t_method)fitterstate_set,
gensym("set"), A_SYMBOL, A_SYMBOL, 0);
fitterstate_target = pd_new(fitterstate_class);
pd_bind(fitterstate_target, fitterps_hashmiXed);
if (!noquery)
pd_bang(fitterps_hashmiXed->s_thing);
fitterstate_ready = 1;
}
void fitter_setup(t_class *owner, t_fitterstate_callback callback)
{
if (!fitterstate_class)
fitterstate_dosetup(0);
if (callback)
{
t_fitterstate_client *fc = getbytes(sizeof(*fc));
fc->fc_owner = owner;
fc->fc_canvas = 0; /* a global client */
fc->fc_callback = callback;
fc->fc_next = fitterstate_clients;
fitterstate_clients = fc;
}
}
void fitter_drop(t_class *owner)
{
if (fitterstate_class && fitterps_hashmiXed->s_thing)
{
t_fitterstate_client *fcp = 0,
*fc = fitterstate_clients;
while (fc)
{
if (fc->fc_owner == owner)
{
if (fcp)
fcp->fc_next = fc->fc_next;
else
fitterstate_clients = fc->fc_next;
break;
}
fcp = fc;
fc = fc->fc_next;
}
if (fc)
freebytes(fc, sizeof(*fc));
else
loudbug_bug("fitter_drop 1");
}
else loudbug_bug("fitter_drop 2");
}
t_float *fitter_getfloat(t_symbol *s)
{
if (!fitterstate_class)
fitterstate_dosetup(0);
loudbug_bug("fitter_getfloat");
return (0);
}
t_symbol *fitter_getsymbol(t_symbol *s)
{
if (!fitterstate_class)
fitterstate_dosetup(0);
if (s == fitterps_mode)
return (fitterstate_mode);
else if (s == fitterps_test)
return (fitterstate_test);
else
{
loudbug_bug("fitter_getsymbol");
return (0);
}
}
void fitter_setmode(t_symbol *s)
{
if (!s || s == &s_)
s = fitterps_none;
post("setting compatibility mode to '%s'", s->s_name);
if (!fitterstate_class)
fitterstate_dosetup(1);
if (fitterps_hashmiXed->s_thing)
{
t_atom atout[2];
SETSYMBOL(&atout[0], fitterps_mode);
SETSYMBOL(&atout[1], s);
typedmess(fitterps_hashmiXed->s_thing, gensym("set"), 2, atout);
}
else loudbug_bug("fitter_setmode");
}
t_symbol *fitter_getmode(void)
{
if (!fitterstate_class)
fitterstate_dosetup(0);
return (fitterstate_mode);
}
void fittermax_set(void)
{
if (!fitterstate_class)
fitterstate_dosetup(0);
fitter_setmode(fitterps_max);
}
int fittermax_get(void)
{
if (!fitterstate_class)
fitterstate_dosetup(0);
return (fitterstate_mode == fitterps_max);
}
void fittermax_warning(t_class *c, char *fmt, ...)
{
if (!fitterstate_class)
fitterstate_dosetup(0);
if (fitterstate_mode == fitterps_max)
{
char buf[MAXPDSTRING];
va_list ap;
va_start(ap, fmt);
vsprintf(buf, fmt, ap);
post("'%s' class incompatibility warning:\n\t%s",
class_getname(c), buf);
va_end(ap);
}
}
void fittermax_rangewarning(t_class *c, int maxmax, char *what)
{
fittermax_warning(c, "more than %d %s requested", maxmax, what);
}
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