Restructed the osgPresentation and present3D directories back to the structure that was present in OSG-3.2

git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14759 16af8721-9629-0410-8352-f15c8da7e697

applications/present3D/ReadShowFile.h

@@ -0,0 +1,37 @@
+/* -*-c++-*- Present3D - Copyright (C) 1999-2006 Robert Osfield 
+ *
+ * This software is open source and may be redistributed and/or modified under  
+ * the terms of the GNU General Public License (GPL) version 2.0.
+ * The full license is in LICENSE.txt file included with this distribution,.
+ * 
+ * This software 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 
+ * include LICENSE.txt for more details.
+*/
+
+#ifndef P3D_READFILE
+#define P3D_READFILE 1
+
+#include <osg/ArgumentParser>
+#include <osgDB/ReaderWriter>
+
+namespace p3d {
+
+typedef std::vector<std::string> FileNameList;
+
+bool getFileNames(osg::ArgumentParser& arguments, FileNameList& xmlFiles, FileNameList& normalFiles);
+
+bool readEnvVars(osg::ArgumentParser& arguments);
+
+bool readEnvVars(const std::string& filename);
+
+osg::ref_ptr<osg::Node> readHoldingSlide(const std::string& filename);
+
+osg::ref_ptr<osg::Node> readPresentation(const std::string& filename,const osgDB::ReaderWriter::Options* options);
+
+osg::ref_ptr<osg::Node> readShowFiles(osg::ArgumentParser& arguments,const osgDB::ReaderWriter::Options* options);
+
+}
+
+#endif