1 files changed, 146 insertions, 0 deletions
diff --git a/modules/pdp_snap.c b/modules/pdp_snap.c
new file mode 100644
index 0000000..3ed0da2
--- /dev/null
+++ b/modules/pdp_snap.c
@@ -0,0 +1,146 @@
+/*
+ *   Pure Data Packet module.
+ *   Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org>
+ *
+ *   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.
+ *
+ *   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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+
+
+#include "pdp.h"
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+typedef struct pdp_snap_struct
+{
+    t_object x_obj;
+    t_float x_f;
+
+    t_outlet *x_outlet0;
+
+    int x_packet0;
+    bool x_snapnext;
+
+} t_pdp_snap;
+
+
+static void pdp_snap_bang(t_pdp_snap *x)
+{
+
+  if (-1 != x->x_packet0)
+    outlet_pdp(x->x_outlet0, x->x_packet0);
+
+}
+
+
+
+
+static void pdp_snap_input_1(t_pdp_snap *x, t_symbol *s, t_floatarg f)
+{
+
+    /* if this is a register_ro message or register_rw message, register with packet factory */
+
+    /* if this is a process message, start the processing + propagate stuff to outputs */
+
+    if (s == gensym("register_ro")){
+      if(x->x_snapnext) {
+	pdp_packet_mark_unused(x->x_packet0);
+	x->x_packet0 = pdp_packet_copy_ro((int)f);
+	x->x_snapnext = false;
+      }
+    }
+
+}
+
+static void pdp_snap_snap(t_pdp_snap *x)
+{
+  x->x_snapnext = true;
+}
+
+static void pdp_snap_free(t_pdp_snap *x)
+{
+    pdp_packet_mark_unused(x->x_packet0);
+
+}
+
+t_class *pdp_snap_class;
+
+
+
+void *pdp_snap_new(void)
+{
+    t_pdp_snap *x = (t_pdp_snap *)pd_new(pdp_snap_class);
+
+    inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("pdp"), gensym("pdp1"));
+
+    x->x_outlet0 = outlet_new(&x->x_obj, &s_anything); 
+
+    x->x_packet0 = -1;
+    x->x_snapnext = false;
+
+    return (void *)x;
+}
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+void pdp_snap_setup(void)
+{
+
+
+    pdp_snap_class = class_new(gensym("pdp_snap"), (t_newmethod)pdp_snap_new,
+    	(t_method)pdp_snap_free, sizeof(t_pdp_snap), 0, A_NULL);
+
+
+    class_addmethod(pdp_snap_class, (t_method)pdp_snap_bang, gensym("bang"), A_NULL);
+    class_addmethod(pdp_snap_class, (t_method)pdp_snap_snap, gensym("snap"), A_NULL);
+    
+    class_addmethod(pdp_snap_class, (t_method)pdp_snap_input_1, gensym("pdp1"),  A_SYMBOL, A_DEFFLOAT, A_NULL);
+
+}
+
+#ifdef __cplusplus
+}
+#endif