Added beginings of new osgmultitexturecontrol example

examples/CMakeLists.txt

@@ -51,6 +51,7 @@ IF(DYNAMIC_OPENSCENEGRAPH)
     ADD_SUBDIRECTORY(osgmotionblur)
     ADD_SUBDIRECTORY(osgmovie)
     ADD_SUBDIRECTORY(osgmultitexture)
+    ADD_SUBDIRECTORY(osgmultitexturecontrol)
     ADD_SUBDIRECTORY(osgoccluder)
     ADD_SUBDIRECTORY(osgocclusionquery)
     ADD_SUBDIRECTORY(osgpagedlod)

examples/osgmultitexturecontrol/CMakeLists.txt

@@ -0,0 +1,4 @@
+SET(TARGET_SRC osgmultitexturecontrol.cpp )
+
+#### end var setup  ###
+SETUP_EXAMPLE(osgmultitexturecontrol )

examples/osgmultitexturecontrol/osgmultitexturecontrol.cpp

@@ -0,0 +1,113 @@
+/* OpenSceneGraph example, osgmultitexture.
+*
+*  Permission is hereby granted, free of charge, to any person obtaining a copy
+*  of this software and associated documentation files (the "Software"), to deal
+*  in the Software without restriction, including without limitation the rights
+*  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+*  copies of the Software, and to permit persons to whom the Software is
+*  furnished to do so, subject to the following conditions:
+*
+*  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+*  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+*  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+*  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+*  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+*  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+*  THE SOFTWARE.
+*/
+
+#include <osgViewer/Viewer>
+
+#include <osg/Notify>
+
+#include <osg/Texture2D>
+#include <osg/TexEnv>
+#include <osg/TexGen>
+
+#include <osgDB/Registry>
+#include <osgDB/ReadFile>
+
+#include <osgFX/MultiTextureControl>
+
+#include <osgGA/TerrainManipulator>
+
+#include <osgUtil/Optimizer>
+
+#include <iostream>
+
+template<class T>
+class FindTopMostNodeOfTypeVisitor : public osg::NodeVisitor
+{
+public:
+    FindTopMostNodeOfTypeVisitor():
+        osg::NodeVisitor(osg::NodeVisitor::TRAVERSE_ALL_CHILDREN),
+        _foundNode(0)
+    {}
+    
+    void apply(osg::Node& node)
+    {
+        T* result = dynamic_cast<T*>(&node);
+        if (result)
+        {
+            _foundNode = result;
+        }
+        else
+        {
+            traverse(node);
+        }
+    }
+    
+    T* _foundNode;
+};
+
+template<class T>
+T* findTopMostNodeOfType(osg::Node* node)
+{
+    if (!node) return 0;
+
+    FindTopMostNodeOfTypeVisitor<T> fnotv;
+    node->accept(fnotv);
+    
+    return fnotv._foundNode;
+}
+
+int main( int argc, char **argv )
+{
+    // use an ArgumentParser object to manage the program arguments.
+    osg::ArgumentParser arguments(&argc,argv);
+   
+    // construct the viewer.
+    osgViewer::Viewer viewer;
+
+    // load the nodes from the commandline arguments.
+    osg::Node* rootnode = osgDB::readNodeFiles(arguments);
+
+    if (!rootnode)
+    {
+        osg::notify(osg::NOTICE)<<"Warning: no valid data loaded, please specify a database on the command line."<<std::endl;
+        return 1;
+    }
+    
+    osg::CoordinateSystemNode* csn = findTopMostNodeOfType<osg::CoordinateSystemNode>(rootnode);
+    if (csn)
+    {
+        osg::notify(osg::NOTICE)<<"Found CSN"<<csn<<std::endl;
+    }
+
+    osgFX::MultiTextureControl* mtc = findTopMostNodeOfType<osgFX::MultiTextureControl>(rootnode);
+    if (mtc)
+    {
+        osg::notify(osg::NOTICE)<<"Found MTC "<<mtc<<std::endl;
+    }
+
+    // add terrain manipulator
+    viewer.setCameraManipulator(new osgGA::TerrainManipulator);
+     
+    // add a viewport to the viewer and attach the scene graph.
+    viewer.setSceneData( rootnode );
+    
+    // create the windows and run the threads.
+    viewer.realize();
+
+    return viewer.run();
+}