From 506b8e7dedb80d79bf015e47d92e8b8dd8284584 Mon Sep 17 00:00:00 2001
From: Hans-Christoph Steiner <eighthave@users.sourceforge.net>
Date: Sat, 16 Aug 2003 17:08:55 +0000
Subject: added files straight from Yves' sources

svn path=/trunk/externals/unauthorized/; revision=864
---
 countund/countund.c | 117 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 117 insertions(+)
 create mode 100644 countund/countund.c

(limited to 'countund/countund.c')

diff --git a/countund/countund.c b/countund/countund.c
new file mode 100644
index 0000000..709ffd0
--- /dev/null
+++ b/countund/countund.c
@@ -0,0 +1,117 @@
+/* ------------------------ countund~ -------------------------------------- */
+/*                                                                              */
+/* Count up to a value and then down to zero                                    */
+/* Written by Yves Degoyon (ydegoyon@free.fr).                                  */
+/*                                                                              */
+/* This program is free software; you can redistribute it and/or                */
+/* modify it under the terms of the GNU General Public License                  */
+/* as published by the Free Software Foundation; either version 2               */
+/* of the License, or (at your option) any later version.                       */
+/*                                                                              */
+/* See file LICENSE for further informations on licensing terms.                */
+/*                                                                              */
+/* This program is distributed in the hope that it will be useful,              */
+/* but WITHOUT ANY WARRANTY; without even the implied warranty of               */
+/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                */
+/* GNU General Public License for more details.                                 */
+/*                                                                              */
+/* You should have received a copy of the GNU General Public License            */
+/* along with this program; if not, write to the Free Software                  */
+/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.  */
+/*                                                                              */
+/* Based on PureData by Miller Puckette and others.                             */
+/*                                                                              */
+/* ---------------------------------------------------------------------------- */
+
+
+
+#include <sys/types.h>
+#include <string.h>
+#include <stdio.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+#include <malloc.h>
+#include <ctype.h>
+#include <unistd.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netdb.h>
+#include <time.h>
+#include <sys/time.h>
+
+#include "m_pd.h"            /* standard pd stuff */
+
+static char   *countund_version = "countund~: count up to a value and then down to zero : author : ydegoyon@free.fr";
+
+static t_class *countund_class;
+
+typedef struct _countund
+{
+    t_object x_obj;
+    t_int x_limit;
+    t_int x_value;
+    t_int x_up;
+} t_countund;
+
+	/* clean up */
+static void countund_free(t_countund *x)    
+{
+}
+
+static void *countund_new(t_float flimit)
+{
+  t_countund *x = (t_countund *)pd_new(countund_class);
+  outlet_new(&x->x_obj, &s_float);
+  inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("limit"));
+  if ( flimit < 0 ) {
+       post( "countund~: wrong creation argument" );
+       return NULL;
+  }
+  x->x_limit = (int) flimit;
+  x->x_value = 0;
+  x->x_up = 1;
+  return(x);
+}
+
+static void *countund_limit(t_countund* x, t_float flimit)
+{
+  if ( flimit < 0 ) {
+       post( "countund~: wrong count limit" );
+       return;
+  } else {
+       x->x_limit=(int)flimit;
+  }
+}
+
+static void *countund_bang(t_countund *x)
+{
+
+  if ( x->x_up ) {
+     x->x_value+=1;
+     if (x->x_value>x->x_limit) {
+        x->x_value=x->x_limit-1;
+        x->x_up=0;
+     }
+  } else {
+     x->x_value-=1;
+     if (x->x_value<0) {
+        x->x_value=1;
+        x->x_up=1;
+     }
+  }
+  outlet_float( x->x_obj.ob_outlet, x->x_value );
+  return;
+}
+
+void countund_setup(void)
+{
+  post(countund_version);
+  countund_class = class_new(gensym("countund"), (t_newmethod)countund_new, 
+        (t_method)countund_free,
+        sizeof(t_countund), 0, A_DEFFLOAT, 0);
+  class_addmethod( countund_class, (t_method)countund_bang, &s_bang, 0);
+  class_addmethod( countund_class, (t_method)countund_limit, gensym("limit"), A_FLOAT, 0);
+  class_sethelpsymbol( countund_class, gensym("help-countund.pd"));
+}
-- 
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