OpenWalnut
1.2.5
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00001 //--------------------------------------------------------------------------- 00002 // 00003 // Project: OpenWalnut ( http://www.openwalnut.org ) 00004 // 00005 // Copyright 2009 OpenWalnut Community, BSV@Uni-Leipzig and CNCF@MPI-CBS 00006 // For more information see http://www.openwalnut.org/copying 00007 // 00008 // This file is part of OpenWalnut. 00009 // 00010 // OpenWalnut is free software: you can redistribute it and/or modify 00011 // it under the terms of the GNU Lesser General Public License as published by 00012 // the Free Software Foundation, either version 3 of the License, or 00013 // (at your option) any later version. 00014 // 00015 // OpenWalnut is distributed in the hope that it will be useful, 00016 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00017 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00018 // GNU Lesser General Public License for more details. 00019 // 00020 // You should have received a copy of the GNU Lesser General Public License 00021 // along with OpenWalnut. If not, see <http://www.gnu.org/licenses/>. 00022 // 00023 //--------------------------------------------------------------------------- 00024 00025 #ifndef WGEPROPERTYTRANSFORMATIONCALLBACK_H 00026 #define WGEPROPERTYTRANSFORMATIONCALLBACK_H 00027 00028 #include <osg/Node> 00029 #include <osg/TexMat> 00030 #include <osg/StateAttribute> 00031 #include <osg/MatrixTransform> 00032 00033 #include "WGECallbackTraits.h" 00034 #include "../../common/WProperties.h" 00035 #include "../WExportWGE.h" 00036 00037 /** 00038 * TODO(ebaum): write. 00039 */ 00040 template < typename ParentType = osg::Node, typename TargetType = osg::MatrixTransform > 00041 class WGEPropertyTransformationCallback: public WGECallbackTraits< ParentType >::CallbackType 00042 { 00043 public: 00044 00045 /** 00046 * Default constructor. 00047 * 00048 * \param prop the property holding the matrix to use. 00049 */ 00050 explicit WGEPropertyTransformationCallback( WPropMatrix4X4 prop ); 00051 00052 /** 00053 * Destructor. 00054 */ 00055 virtual ~WGEPropertyTransformationCallback(); 00056 00057 /** 00058 * This operator gets called by OSG every update cycle. It calls the specified functor. 00059 * 00060 * \param handled the osg node, stateset or whatever 00061 * \param nv the node visitor 00062 */ 00063 virtual void operator()( typename WGECallbackTraits< ParentType >::HandledType* handled, osg::NodeVisitor* nv ); 00064 00065 protected: 00066 00067 private: 00068 00069 /** 00070 * The property controlling the callback 00071 */ 00072 WPropMatrix4X4 m_prop; 00073 }; 00074 00075 template < typename ParentType, typename TargetType > 00076 WGEPropertyTransformationCallback< ParentType, TargetType >::WGEPropertyTransformationCallback( WPropMatrix4X4 prop ): 00077 WGECallbackTraits< ParentType >::CallbackType(), 00078 m_prop( prop ) 00079 { 00080 // initialize members 00081 } 00082 00083 template < typename ParentType, typename TargetType > 00084 WGEPropertyTransformationCallback< ParentType, TargetType >::~WGEPropertyTransformationCallback() 00085 { 00086 // cleanup 00087 } 00088 00089 template < typename ParentType, typename TargetType > 00090 void WGEPropertyTransformationCallback< ParentType, TargetType >::operator()( typename WGECallbackTraits< ParentType >::HandledType* handled, 00091 osg::NodeVisitor* nv ) 00092 { 00093 TargetType* m = dynamic_cast< TargetType* >( handled ); 00094 if( m ) 00095 { 00096 m->setMatrix( m_prop->get() ); 00097 } 00098 00099 WGECallbackTraits< ParentType >::traverse( this, handled, nv ); 00100 } 00101 00102 #endif // WGEPROPERTYTRANSFORMATIONCALLBACK_H 00103