From faada59567f8cb252f4a909116595ce309ff5828 Mon Sep 17 00:00:00 2001
From: "N.N." <krzyszcz@users.sourceforge.net>
Date: Fri, 23 May 2003 12:29:55 +0000
Subject: This commit was generated by cvs2svn to compensate for changes in
 r647, which included commits to RCS files with non-trunk default branches.

svn path=/trunk/externals/miXed/; revision=648
---
 cyclone/hammer/Decode.c | 110 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 110 insertions(+)
 create mode 100644 cyclone/hammer/Decode.c

(limited to 'cyclone/hammer/Decode.c')

diff --git a/cyclone/hammer/Decode.c b/cyclone/hammer/Decode.c
new file mode 100644
index 0000000..8317d7e
--- /dev/null
+++ b/cyclone/hammer/Decode.c
@@ -0,0 +1,110 @@
+/* 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 an entirely rewritten 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 DECODE_MAXOUTS  8  /* CHECKED (does it make any sense?) */
+#define DECODE_DEFOUTS  1
+
+typedef struct _Decode
+{
+    t_object    x_ob;
+    int         x_numouts;
+    int         x_onout;
+    int         x_allon;   /* submaster switch */
+    int         x_alloff;  /* master switch */
+    t_outlet  **x_outs;
+    t_outlet   *x_outbuf[DECODE_MAXOUTS];
+} t_Decode;
+
+static t_class *Decode_class;
+
+/* CHECKED: all outlets deliver after any action */
+/* CHECKED: outlets output in right-to-left order */
+
+static void Decode_deliver(t_Decode *x)
+{
+    int i = x->x_numouts;
+    if (x->x_alloff)
+	while (i--) outlet_float(x->x_outs[i], 0);
+    else if (x->x_allon)
+	while (i--) outlet_float(x->x_outs[i], 1);
+    else
+	while (i--) outlet_float(x->x_outs[i], (i == x->x_onout ? 1 : 0));
+}
+
+static void Decode_float(t_Decode *x, t_floatarg f)
+{
+    int val = (int)f;
+    /* CHECKED: out-of-range input is clipped, not ignored */
+    if (val < 0)
+	val = 0;
+    else if (val >= x->x_numouts)
+	val = x->x_numouts - 1;
+    /* CHECKED: while in all-off mode, input is stored, not ignored */
+    x->x_onout = val;
+    Decode_deliver(x);
+}
+
+static void Decode_allon(t_Decode *x, t_floatarg f)
+{
+    x->x_allon = (f != 0);
+    Decode_deliver(x);
+}
+
+static void Decode_alloff(t_Decode *x, t_floatarg f)
+{
+    x->x_alloff = (f != 0);
+    Decode_deliver(x);
+}
+
+static void Decode_free(t_Decode *x)
+{
+    if (x->x_outs != x->x_outbuf)
+	freebytes(x->x_outs, x->x_numouts * sizeof(*x->x_outs));
+}
+
+static void *Decode_new(t_floatarg val)
+{
+    t_Decode *x;
+    int i, nouts = (int)val;
+    t_outlet **outs;
+    if (nouts < 1)
+	nouts = DECODE_DEFOUTS;
+    if (nouts > DECODE_MAXOUTS)
+    {
+	loud_incompatible_max(Decode_class, DECODE_MAXOUTS, "outlets");
+	if (!(outs = (t_outlet **)getbytes(nouts * sizeof(*outs))))
+	    return (0);
+    }
+    else outs = 0;
+    x = (t_Decode *)pd_new(Decode_class);
+    x->x_numouts = nouts;
+    x->x_outs = (outs ? outs : x->x_outbuf);
+    x->x_onout = 0;
+    x->x_allon = 0;
+    x->x_alloff = 0;
+    inlet_new((t_object *)x, (t_pd *)x, &s_float, gensym("ft1"));
+    inlet_new((t_object *)x, (t_pd *)x, &s_float, gensym("ft2"));
+    for (i = 0; i < nouts; i++)
+	x->x_outs[i] = outlet_new((t_object *)x, &s_float);
+    return (x);
+}
+
+void Decode_setup(void)
+{
+    Decode_class = class_new(gensym("Decode"),
+			     (t_newmethod)Decode_new,
+			     (t_method)Decode_free,
+			     sizeof(t_Decode), 0, A_DEFFLOAT, 0);
+    class_addfloat(Decode_class, Decode_float);
+    class_addmethod(Decode_class, (t_method)Decode_allon,
+		    gensym("ft1"), A_FLOAT, 0);
+    class_addmethod(Decode_class, (t_method)Decode_alloff,
+		    gensym("ft2"), A_FLOAT, 0); 
+}
-- 
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