From c2416e48c19a5745bf37c4f1ba8d28a9208fc6b3 Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Fri, 12 Jan 2007 15:08:45 +0000
Subject: [PATCH] Added support for animation path manipulator to osgViewer
 path

---
 applications/osgviewer/osgviewer.cpp | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/applications/osgviewer/osgviewer.cpp b/applications/osgviewer/osgviewer.cpp
index 56955dcc7..49bfd9c25 100644
--- a/applications/osgviewer/osgviewer.cpp
+++ b/applications/osgviewer/osgviewer.cpp
@@ -138,7 +138,7 @@ int main_osgProducer(osg::ArgumentParser& arguments)
 #include <osgGA/DriveManipulator>
 #include <osgGA/KeySwitchMatrixManipulator>
 #include <osgGA/StateSetManipulator>
-
+#include <osgGA/AnimationPathManipulator>
 
 int main_osgViewer(osg::ArgumentParser& arguments)
 {
@@ -152,6 +152,19 @@ int main_osgViewer(osg::ArgumentParser& arguments)
         keyswitchManipulator->addMatrixManipulator( '2', "Flight", new osgGA::FlightManipulator() );
         keyswitchManipulator->addMatrixManipulator( '3', "Drive", new osgGA::DriveManipulator() );
 
+        std::string pathfile;
+        osg::ref_ptr<osgGA::AnimationPathManipulator> apm = 0;
+        while (arguments.read("-p",pathfile))
+        {
+            osgGA::AnimationPathManipulator* apm = new osgGA::AnimationPathManipulator(pathfile);
+            if (apm || !apm->valid()) 
+            {
+                unsigned int num = keyswitchManipulator->getNumMatrixManipulators();
+                keyswitchManipulator->addMatrixManipulator( '4', "Path", apm );
+                keyswitchManipulator->selectMatrixManipulator(num);
+            }
+        }
+
         viewer.setCameraManipulator( keyswitchManipulator.get() );
     }