From f46fdb4d4ec06f58fbeb038c62d9cfc64860e0aa Mon Sep 17 00:00:00 2001
From: Julien Valentin <pascal@pcpascal.WORKGROUP>
Date: Mon, 28 Aug 2017 05:17:17 +0200
Subject: [PATCH] add a new prepareData method to the interface

---
 include/osgAnimation/RigTransform | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/osgAnimation/RigTransform b/include/osgAnimation/RigTransform
index 184cdae0c..7be592035 100644
--- a/include/osgAnimation/RigTransform
+++ b/include/osgAnimation/RigTransform
@@ -33,6 +33,10 @@ namespace osgAnimation
 
         virtual void operator()(RigGeometry&) {}
 
+        /// to call manually when a skeleton is reacheable from the rig
+        /// in order to prepare technic data before rendering
+        virtual bool prepareData(RigGeometry&){}
+
     protected:
         virtual ~RigTransform() {}