From 1afba99e1f981c8e2ab5061af14a9d6d115d5a2e Mon Sep 17 00:00:00 2001
From: David Rose <david@ddrose.com>
Date: Fri, 18 Oct 2002 00:06:00 +0000
Subject: [PATCH] set_visible_child

---
 panda/src/pgraph/sequenceNode.I | 17 +++++++++++++++++
 panda/src/pgraph/sequenceNode.h |  1 +
 2 files changed, 18 insertions(+)

diff --git a/panda/src/pgraph/sequenceNode.I b/panda/src/pgraph/sequenceNode.I
index a361610354..5d08c297e7 100644
--- a/panda/src/pgraph/sequenceNode.I
+++ b/panda/src/pgraph/sequenceNode.I
@@ -88,6 +88,23 @@ get_cycle_rate() const {
   return cdata->_cycle_rate;
 }
 
+////////////////////////////////////////////////////////////////////
+//     Function: SequenceNode::set_visible_child
+//       Access: Published
+//  Description: Sets the particular child that this SequenceNode will
+//               display this frame.  Future frames will proceed from
+//               here.
+////////////////////////////////////////////////////////////////////
+INLINE void SequenceNode::
+set_visible_child(int index) {
+  int num_children = get_num_children();
+  if (num_children != 0) {
+    CDWriter cdata(_cycler);
+    float now = ClockObject::get_global_clock()->get_frame_time();
+    cdata->_frame_offset = (index - (now - cdata->_start_time) * cdata->_cycle_rate);
+  }
+}
+
 ////////////////////////////////////////////////////////////////////
 //     Function: SequenceNode::get_visible_child
 //       Access: Published
diff --git a/panda/src/pgraph/sequenceNode.h b/panda/src/pgraph/sequenceNode.h
index e81baa9b41..7ffbf48a4a 100644
--- a/panda/src/pgraph/sequenceNode.h
+++ b/panda/src/pgraph/sequenceNode.h
@@ -46,6 +46,7 @@ PUBLISHED:
   INLINE void set_cycle_rate(float cycle_rate);
   INLINE float get_cycle_rate() const;
 
+  INLINE void set_visible_child(int index);
   INLINE int get_visible_child() const;
 
 private: