aboutsummaryrefslogtreecommitdiff
path: root/cyclone/hammer/Decode.c
diff options
context:
space:
mode:
Diffstat (limited to 'cyclone/hammer/Decode.c')
-rw-r--r--cyclone/hammer/Decode.c110
1 files changed, 110 insertions, 0 deletions
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);
+}