diff options
Diffstat (limited to 'src/iemlib2/modulo_counter.c')
-rw-r--r-- | src/iemlib2/modulo_counter.c | 181 |
1 files changed, 91 insertions, 90 deletions
diff --git a/src/iemlib2/modulo_counter.c b/src/iemlib2/modulo_counter.c index 3c072e2..309b5a0 100644 --- a/src/iemlib2/modulo_counter.c +++ b/src/iemlib2/modulo_counter.c @@ -1,90 +1,91 @@ -/* Copyright (c) 1997-2003 Miller Puckette. -* For information on usage and redistribution, and for a DISCLAIMER OF ALL -* WARRANTIES, see the file, "LICENSE.txt," in this distribution. - -iemlib2 written by Thomas Musil (c) IEM KUG Graz Austria 2000 - 2003 */ - -#ifdef NT -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - -#include "m_pd.h" -#include "iemlib.h" -#include <stdlib.h> -#include <string.h> -#include <stdio.h> -#include <math.h> - -/* ---------------- modulo-counter. ----------------- */ - -static t_class *modulo_counter_class; - -typedef struct _modulo_counter -{ - t_object x_obj; - int x_max; - int x_cur; -} t_modulo_counter; - -static void modulo_counter_bang(t_modulo_counter *x) -{ - outlet_float(x->x_obj.ob_outlet, x->x_cur++); - x->x_cur = x->x_cur % x->x_max; -} - -static void modulo_counter_float(t_modulo_counter *x, t_float max) -{ - int i = (int)max; - - if(i < 1) - i = 1; - if(x->x_cur >= i) - x->x_cur = i - 1; - x->x_max = i; -} - -static void modulo_counter_ft1(t_modulo_counter *x, t_float set_init) -{ - int i = (int)set_init; - - if(i < 0) - i = 0; - if(i >= x->x_max) - i = x->x_max - 1; - x->x_cur = i; -} - -static void *modulo_counter_new(t_symbol *s, int ac, t_atom *av) -{ - t_modulo_counter *x = (t_modulo_counter *)pd_new(modulo_counter_class); - int max = 1, cur = 0; - - if((ac > 0) && IS_A_FLOAT(av, 0)) - max = atom_getintarg(0, ac, av); - if((ac > 1) && IS_A_FLOAT(av, 1)) - cur = atom_getintarg(1, ac, av); - if(max < 1) - x->x_max = 1; - else - x->x_max = max; - if(cur < 0) - cur = 0; - if(cur >= x->x_max) - cur = x->x_max - 1; - x->x_cur = cur; - outlet_new(&x->x_obj, &s_float); - inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft1")); - return (x); -} - -void modulo_counter_setup(void) -{ - modulo_counter_class = class_new(gensym("modulo_counter"), - (t_newmethod)modulo_counter_new, 0, - sizeof(t_modulo_counter), 0, A_GIMME, 0); - class_addbang(modulo_counter_class, (t_method)modulo_counter_bang); - class_addfloat(modulo_counter_class, (t_method)modulo_counter_float); - class_addmethod(modulo_counter_class, (t_method)modulo_counter_ft1, gensym("ft1"), A_FLOAT, 0); - class_sethelpsymbol(modulo_counter_class, gensym("iemhelp/help-modulo_counter")); -} +/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
+* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
+
+iemlib2 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
+
+#ifdef NT
+#pragma warning( disable : 4244 )
+#pragma warning( disable : 4305 )
+#endif
+
+#include "m_pd.h"
+#include "iemlib.h"
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <math.h>
+
+/* ---------------- modulo-counter. ----------------- */
+/* -------- counter increments if input a bang ------ */
+/* -------- output is a modulo function. ------------ */
+
+static t_class *modulo_counter_class;
+
+typedef struct _modulo_counter
+{
+ t_object x_obj;
+ int x_max;
+ int x_cur;
+} t_modulo_counter;
+
+static void modulo_counter_bang(t_modulo_counter *x)
+{
+ outlet_float(x->x_obj.ob_outlet, x->x_cur++);
+ x->x_cur = x->x_cur % x->x_max;
+}
+
+static void modulo_counter_float(t_modulo_counter *x, t_float max)
+{
+ int i = (int)max;
+
+ if(i < 1)
+ i = 1;
+ if(x->x_cur >= i)
+ x->x_cur = i - 1;
+ x->x_max = i;
+}
+
+static void modulo_counter_ft1(t_modulo_counter *x, t_float set_init)
+{
+ int i = (int)set_init;
+
+ if(i < 0)
+ i = 0;
+ if(i >= x->x_max)
+ i = x->x_max - 1;
+ x->x_cur = i;
+}
+
+static void *modulo_counter_new(t_symbol *s, int ac, t_atom *av)
+{
+ t_modulo_counter *x = (t_modulo_counter *)pd_new(modulo_counter_class);
+ int max = 1, cur = 0;
+
+ if((ac > 0) && IS_A_FLOAT(av, 0))
+ max = atom_getintarg(0, ac, av);
+ if((ac > 1) && IS_A_FLOAT(av, 1))
+ cur = atom_getintarg(1, ac, av);
+ if(max < 1)
+ x->x_max = 1;
+ else
+ x->x_max = max;
+ if(cur < 0)
+ cur = 0;
+ if(cur >= x->x_max)
+ cur = x->x_max - 1;
+ x->x_cur = cur;
+ outlet_new(&x->x_obj, &s_float);
+ inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft1"));
+ return (x);
+}
+
+void modulo_counter_setup(void)
+{
+ modulo_counter_class = class_new(gensym("modulo_counter"),
+ (t_newmethod)modulo_counter_new, 0,
+ sizeof(t_modulo_counter), 0, A_GIMME, 0);
+ class_addbang(modulo_counter_class, (t_method)modulo_counter_bang);
+ class_addfloat(modulo_counter_class, (t_method)modulo_counter_float);
+ class_addmethod(modulo_counter_class, (t_method)modulo_counter_ft1, gensym("ft1"), A_FLOAT, 0);
+ class_sethelpsymbol(modulo_counter_class, gensym("iemhelp/help-modulo_counter"));
+}
|