1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
|
/* Copyright (c) 2002-2003 krzYszcz and others.
* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution. */
/* This is a modified version of Joseph A. Sarlo's code.
The most important changes are listed in "pd-lib-notes.txt" file. */
#include "m_pd.h"
#include "common/loud.h"
//#define CYCLE_USEEVENTNO
#define CYCLE_MINOUTS 1
#define CYCLE_C74MAXOUTS 100 /* CHECKED */
#define CYCLE_DEFOUTS 1
typedef struct _cycle
{
t_object x_ob;
int x_eventmode;
#ifdef CYCLE_USEEVENTNO
int x_lastevent;
#else
double x_lastevent;
#endif
int x_index;
int x_nouts;
t_outlet **x_outs;
} t_cycle;
static t_class *cycle_class;
static int cycle_isnextevent(t_cycle *x)
{
#ifdef CYCLE_USEEVENTNO
int nextevent = sys_geteventno();
#else
double nextevent = clock_getlogicaltime();
#endif
if (x->x_lastevent == nextevent)
return (0);
else
{
x->x_lastevent = nextevent;
return (1);
}
}
static void cycle_bang(t_cycle *x)
{
/* CHECKED: bangs ignored (but message 'bang' is an error -- why?) */
}
static void cycle_float(t_cycle *x, t_float f)
{
if ((x->x_eventmode && cycle_isnextevent(x)) || x->x_index >= x->x_nouts)
x->x_index = 0;
outlet_float(x->x_outs[x->x_index++], f);
}
static void cycle_symbol(t_cycle *x, t_symbol *s)
{
if ((x->x_eventmode && cycle_isnextevent(x)) || x->x_index >= x->x_nouts)
x->x_index = 0;
outlet_symbol(x->x_outs[x->x_index++], s);
}
/* LATER gpointer */
static void cycle_list(t_cycle *x, t_symbol *s, int ac, t_atom *av)
{
if ((x->x_eventmode && cycle_isnextevent(x)) || x->x_index >= x->x_nouts)
x->x_index = 0;
while (ac--)
{
if (av->a_type == A_FLOAT)
outlet_float(x->x_outs[x->x_index], av->a_w.w_float);
else if (av->a_type == A_SYMBOL)
outlet_symbol(x->x_outs[x->x_index], av->a_w.w_symbol);
av++;
if (++(x->x_index) >= x->x_nouts) x->x_index = 0;
}
}
static void cycle_anything(t_cycle *x, t_symbol *s, int ac, t_atom *av)
{
if (s && s != &s_) cycle_symbol(x, s); /* CHECKED */
cycle_list(x, 0, ac, av);
}
static void cycle_set(t_cycle *x, t_floatarg f)
{
int i = (int)f;
if (i >= 0 && i < x->x_nouts) x->x_index = i;
}
static void cycle_thresh(t_cycle *x, t_floatarg f)
{
if (x->x_eventmode = (f != 0))
#ifdef CYCLE_USEEVENTNO
x->x_lastevent = sys_geteventno();
#else
x->x_lastevent = clock_getlogicaltime();
#endif
}
static void cycle_free(t_cycle *x)
{
if (x->x_outs)
freebytes(x->x_outs, x->x_nouts * sizeof(*x->x_outs));
}
static void *cycle_new(t_floatarg f1, t_floatarg f2)
{
t_cycle *x;
int i, nouts = (int)f1;
t_outlet **outs;
if (nouts < CYCLE_MINOUTS)
nouts = CYCLE_DEFOUTS;
if (nouts > CYCLE_C74MAXOUTS)
{
shared_usecompatibility();
loud_incompatible_max(cycle_class, CYCLE_C74MAXOUTS, "outlets");
/* CHECKED: max clips with an error:
``perhaps you were trying to make an oscillator?'' */
}
if (!(outs = (t_outlet **)getbytes(nouts * sizeof(*outs))))
return (0);
x = (t_cycle *)pd_new(cycle_class);
x->x_nouts = nouts;
x->x_outs = outs;
x->x_index = 0;
for (i = 0; i < nouts; i++)
x->x_outs[i] = outlet_new((t_object *)x, &s_anything);
cycle_thresh(x, f2);
return (x);
}
void cycle_setup(void)
{
cycle_class = class_new(gensym("cycle"),
(t_newmethod)cycle_new,
(t_method)cycle_free,
sizeof(t_cycle), 0, A_DEFFLOAT, A_DEFFLOAT, 0);
class_addbang(cycle_class, cycle_bang);
class_addfloat(cycle_class, cycle_float);
class_addsymbol(cycle_class, cycle_symbol);
class_addlist(cycle_class, cycle_list);
class_addanything(cycle_class, cycle_anything);
class_addmethod(cycle_class, (t_method)cycle_set,
gensym("set"), A_FLOAT, 0); /* CHECKED: arg required */
class_addmethod(cycle_class, (t_method)cycle_thresh,
gensym("thresh"), A_FLOAT, 0);
}
|
