91 lines
4.3 KiB
C++
91 lines
4.3 KiB
C++
/**************************************************************************************/
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/* */
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/* Visualization Library */
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/* http://visualizationlibrary.org */
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/* */
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/* Copyright (c) 2005-2020, Michele Bosi */
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/* All rights reserved. */
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/* */
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/* Redistribution and use in source and binary forms, with or without modification, */
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/* are permitted provided that the following conditions are met: */
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/* */
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/* - Redistributions of source code must retain the above copyright notice, this */
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/* list of conditions and the following disclaimer. */
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/* */
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/* - Redistributions in binary form must reproduce the above copyright notice, this */
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/* list of conditions and the following disclaimer in the documentation and/or */
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/* other materials provided with the distribution. */
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/* */
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/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND */
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/* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED */
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/* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */
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/* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR */
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/* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES */
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/* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; */
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/* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON */
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/* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */
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/* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS */
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/* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
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/* */
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/**************************************************************************************/
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#ifndef SceneManagerVolumeTree_INCLUDE_ONCE
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#define SceneManagerVolumeTree_INCLUDE_ONCE
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#include <vlGraphics/SceneManager.hpp>
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namespace vl
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{
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//-------------------------------------------------------------------------------------------------------------------------------------------
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// SceneManagerBVH
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//-------------------------------------------------------------------------------------------------------------------------------------------
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/**
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* The SceneManagerBVH class implements the basic functionalities for bounding-volume-hierarchy based scene managers.
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*
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* \sa
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* - Actor
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* - ActorKdTree
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* - ActorTree
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* - SceneManager
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* - SceneManagerActorKdTree
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* - SceneManagerActorTree
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* - SceneManagerPortals
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*/
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template<class T>
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class SceneManagerBVH: public SceneManager
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{
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VL_INSTRUMENT_CLASS(vl::SceneManagerBVH<T>, SceneManager)
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public:
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//! Sets the tree to be used by the scene manager.
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void setTree(T* bbh) { mBoundingVolumeTree = bbh; }
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//! Returns the tree used by the scene manager.
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const T* tree() const { return mBoundingVolumeTree.get(); }
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//! Returns the tree used by the scene manager.
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T* tree() { return mBoundingVolumeTree.get(); }
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virtual void extractVisibleActors(ActorCollection& list, const Camera* camera)
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{
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// extracts Actors from the hierarchical volume tree
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if ( cullingEnabled() ) {
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tree()->extractVisibleActors( list, camera, enableMask() );
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}
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else {
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extractActors(list);
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}
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}
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virtual void extractActors(ActorCollection& list)
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{
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// extracts Actors from the hierarchical volume tree
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tree()->extractActors( list );
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}
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protected:
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ref<T> mBoundingVolumeTree;
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};
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}
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#endif
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