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OgreOctreeNode.h - Hosted on DriveHQ Cloud IT Platform
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Ruta de la carpeta: \\game3dprogramming\materials\GameFactory\GameFactoryDemo\references\ogre\include\opt\OgreOctreeNode.h
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/* ----------------------------------------------------------------------------- This source file is part of OGRE (Object-oriented Graphics Rendering Engine) For the latest info, see http://www.ogre3d.org/ Copyright (c) 2000-2006 Torus Knot Software Ltd Also see acknowledgements in Readme.html This program is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program 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 GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA, or go to http://www.gnu.org/copyleft/lesser.txt. You may alternatively use this source under the terms of a specific version of the OGRE Unrestricted License provided you have obtained such a license from Torus Knot Software Ltd. ----------------------------------------------------------------------------- */ /*************************************************************************** octreenode.h - description ------------------- begin : Fri Sep 27 2002 copyright : (C) 2002 by Jon Anderson email : janders@users.sf.net Enhancements 2003 - 2004 (C) The OGRE Team ***************************************************************************/ #ifndef OCTREENODE_H #define OCTREENODE_H #include
#include
#include "OgreTerrainPrerequisites.h" namespace Ogre { /** Specialized SceneNode that is customized for working within an Octree. Each node * maintains its own bounding box, rather than merging it with all the children. * */ class _OgreOctreePluginExport OctreeNode : public SceneNode { public: /** Standard constructor */ OctreeNode( SceneManager* creator ); /** Standard constructor */ OctreeNode( SceneManager* creator, const String& name ); /** Standard destructor */ ~OctreeNode(); /** Overridden from Node to remove any reference to octants */ Node * removeChild( unsigned short index ); /** Overridden from Node to remove any reference to octants */ Node * removeChild( const String & name ); /** Overridden from Node to remove any reference to octants */ Node * removeChild( Node* child); /** Overridden from Node to remove any reference to octants */ void removeAllChildren(void); /** Returns the Octree in which this OctreeNode resides */ Octree * getOctant() { return mOctant; }; /** Sets the Octree in which this OctreeNode resides */ void setOctant( Octree *o ) { mOctant = o; }; /** Determines if the center of this node is within the given box */ bool _isIn( AxisAlignedBox &box ); /** Adds all the attached scenenodes to the render queue */ virtual void _addToRenderQueue( Camera* cam, RenderQueue * q, bool onlyShadowCasters, VisibleObjectsBoundsInfo* visibleBounds); /** Sets up the LegacyRenderOperation for rendering this scene node as geometry. @remarks This will render the scenenode as a bounding box. */ virtual void getRenderOperation( RenderOperation& op ); /** Returns the local bounding box of this OctreeNode. @remarks This is used to render the bounding box, rather then the global. */ AxisAlignedBox & _getLocalAABB() { return mLocalAABB; }; protected: /** Internal method for updating the bounds for this OctreeNode. @remarks This method determines the bounds solely from the attached objects, not any children. If the node has changed its bounds, it is removed from its current octree, and reinserted into the tree. */ void _updateBounds( void ); void _removeNodeAndChildren( ); ///local bounding box AxisAlignedBox mLocalAABB; ///Octree this node is attached to. Octree *mOctant; ///preallocated corners for rendering Real mCorners[ 24 ]; ///shared colors for rendering static unsigned long mColors[ 8 ]; ///shared indexes for rendering static unsigned short mIndexes[ 24 ]; }; } #endif
OgreOctreeNode.h
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