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-rw-r--r--externals/vanilla/delay.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/externals/vanilla/delay.c b/externals/vanilla/delay.c
new file mode 100644
index 00000000..867aca52
--- /dev/null
+++ b/externals/vanilla/delay.c
@@ -0,0 +1,71 @@
+/* Copyright (c) 1997-1999 Miller Puckette.
+* For information on usage and redistribution, and for a DISCLAIMER OF ALL
+* WARRANTIES, see the file, "LICENSE.txt," in this distribution. */
+
+/* clock objects */
+
+#include "m_pd.h"
+#include <stdio.h>
+/* -------------------------- delay ------------------------------ */
+static t_class *delay_class;
+
+typedef struct _delay
+{
+ t_object x_obj;
+ t_clock *x_clock;
+ double x_deltime;
+} t_delay;
+
+static void delay_bang(t_delay *x)
+{
+ clock_delay(x->x_clock, x->x_deltime);
+}
+
+static void delay_stop(t_delay *x)
+{
+ clock_unset(x->x_clock);
+}
+
+static void delay_ft1(t_delay *x, t_floatarg g)
+{
+ if (g < 0) g = 0;
+ x->x_deltime = g;
+}
+
+static void delay_float(t_delay *x, t_float f)
+{
+ delay_ft1(x, f);
+ delay_bang(x);
+}
+
+static void delay_tick(t_delay *x)
+{
+ outlet_bang(x->x_obj.ob_outlet);
+}
+
+static void delay_free(t_delay *x)
+{
+ clock_free(x->x_clock);
+}
+
+static void *delay_new(t_floatarg f)
+{
+ t_delay *x = (t_delay *)pd_new(delay_class);
+ delay_ft1(x, f);
+ x->x_clock = clock_new(x, (t_method)delay_tick);
+ outlet_new(&x->x_obj, gensym("bang"));
+ inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("float"), gensym("ft1"));
+ return (x);
+}
+
+static void delay_setup(void)
+{
+ delay_class = class_new(gensym("delay"), (t_newmethod)delay_new,
+ (t_method)delay_free, sizeof(t_delay), 0, A_DEFFLOAT, 0);
+ class_addcreator((t_newmethod)delay_new, gensym("del"), A_DEFFLOAT, 0);
+ class_addbang(delay_class, delay_bang);
+ class_addmethod(delay_class, (t_method)delay_stop, gensym("stop"), 0);
+ class_addmethod(delay_class, (t_method)delay_ft1,
+ gensym("ft1"), A_FLOAT, 0);
+ class_addfloat(delay_class, (t_method)delay_float);
+}