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/Uzi.c | 108 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 108 insertions(+)
 create mode 100644 cyclone/hammer/Uzi.c

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

diff --git a/cyclone/hammer/Uzi.c b/cyclone/hammer/Uzi.c
new file mode 100644
index 0000000..c773c6b
--- /dev/null
+++ b/cyclone/hammer/Uzi.c
@@ -0,0 +1,108 @@
+/* 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.  */
+
+/* CHECKME negative 'nbangs' value set during run-time */
+
+#include "m_pd.h"
+
+typedef struct _Uzi
+{
+    t_object   x_obj;
+    t_float    x_nbangs;
+    int        x_count;
+    int        x_running;
+    t_outlet  *x_out2;
+    t_outlet  *x_out3;
+} t_Uzi;
+
+static t_class *Uzi_class;
+
+#define UZI_RUNNING  1
+#define UZI_PAUSED   2
+
+static void Uzi_dobang(t_Uzi *x)
+{
+    /* CHECKME reentrancy */
+    if (!x->x_running)
+    {
+	int count, nbangs = (int)x->x_nbangs;
+	x->x_running = UZI_RUNNING;
+	for (count = x->x_count + 1; count <= nbangs; count++)
+	{
+	    outlet_float(x->x_out3, count);
+	    outlet_bang(((t_object *)x)->ob_outlet);
+	    if (x->x_running == UZI_PAUSED)
+	    {
+		/* CHECKED: carry bang not sent, even if this is last bang */
+		x->x_count = count;
+		return;
+	    }
+	}
+	/* CHECKED: carry bang sent also when there are no left-outlet bangs */
+	/* CHECKED: sent after left outlet, not before */
+	outlet_bang(x->x_out2);
+	x->x_count = 0;
+	x->x_running = 0;
+    }
+}
+
+static void Uzi_bang(t_Uzi *x)
+{
+    /* CHECKED: always restarts (when paused too) */
+    x->x_count = 0;
+    x->x_running = 0;
+    Uzi_dobang(x);
+}
+
+static void Uzi_float(t_Uzi *x, t_float f)
+{
+    /* CHECKED: always sets a new value and restarts (when paused too) */
+    x->x_nbangs = f;
+    Uzi_bang(x);
+}
+
+/* CHECKED: 'pause, resume' (but not just 'resume')
+   sends a carry bang when not running (a bug?) */
+static void Uzi_pause(t_Uzi *x)
+{
+    if (!x->x_running)
+	x->x_count = (int)x->x_nbangs;  /* bug emulation? */
+    x->x_running = UZI_PAUSED;
+}
+
+static void Uzi_resume(t_Uzi *x)
+{
+    if (x->x_running == UZI_PAUSED)
+    {
+	x->x_running = 0;
+	Uzi_dobang(x);
+    }
+}
+
+static void *Uzi_new(t_floatarg f)
+{
+    t_Uzi *x = (t_Uzi *)pd_new(Uzi_class);
+    x->x_nbangs = (f > 1. ? f : 1.);
+    x->x_count = 0;
+    x->x_running = 0;
+    /* CHECKED: set when paused, but then 'resume' is blocked (a bug?) */
+    floatinlet_new((t_object *)x, &x->x_nbangs);
+    outlet_new((t_object *)x, &s_bang);
+    x->x_out2 = outlet_new((t_object *)x, &s_bang);
+    x->x_out3 = outlet_new((t_object *)x, &s_float);
+    return (x);
+}
+
+void Uzi_setup(void)
+{
+    Uzi_class = class_new(gensym("Uzi"),
+			  (t_newmethod)Uzi_new, 0,
+			  sizeof(t_Uzi), 0, A_DEFFLOAT, 0);
+    class_addbang(Uzi_class, Uzi_bang);
+    class_addfloat(Uzi_class, Uzi_float);
+    class_addmethod(Uzi_class, (t_method)Uzi_pause, gensym("pause"), 0);
+    class_addmethod(Uzi_class, (t_method)Uzi_pause, gensym("break"), 0);
+    class_addmethod(Uzi_class, (t_method)Uzi_resume, gensym("resume"), 0);
+    class_addmethod(Uzi_class, (t_method)Uzi_resume, gensym("continue"), 0);
+}
-- 
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