00001 /* 00002 ----------------------------------------------------------------------------- 00003 This source file is part of OGRE 00004 (Object-oriented Graphics Rendering Engine) 00005 For the latest info, see http://ogre.sourceforge.net/ 00006 00007 Copyright © 2000-2002 The OGRE Team 00008 Also see acknowledgements in Readme.html 00009 00010 This program is free software; you can redistribute it and/or modify it under 00011 the terms of the GNU Lesser General Public License as published by the Free Software 00012 Foundation; either version 2 of the License, or (at your option) any later 00013 version. 00014 00015 This program is distributed in the hope that it will be useful, but WITHOUT 00016 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 00017 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. 00018 00019 You should have received a copy of the GNU Lesser General Public License along with 00020 this program; if not, write to the Free Software Foundation, Inc., 59 Temple 00021 Place - Suite 330, Boston, MA 02111-1307, USA, or go to 00022 http://www.gnu.org/copyleft/lesser.txt. 00023 ----------------------------------------------------------------------------- 00024 */ 00025 #ifndef _BspNode_H__ 00026 #define _BspNode_H__ 00027 00028 #include "OgreBspPrerequisites.h" 00029 #include "OgrePlane.h" 00030 #include "OgreAxisAlignedBox.h" 00031 00032 namespace Ogre { 00033 00047 class BspNode 00048 { 00049 friend class BspLevel; 00050 00051 public: 00053 BspNode(BspLevel* owner, bool isLeaf); 00054 00055 BspNode(); 00056 ~BspNode(); 00057 00067 bool isLeaf(void) const; 00068 00073 BspNode* getFront(void) const; 00074 00079 BspNode* getBack(void) const; 00080 00085 Plane::Side getSide (const Vector3& point) const; 00086 00092 BspNode* getNextNode(const Vector3& point) const; 00093 00094 00099 Plane getSplitPlane(void); 00100 00105 AxisAlignedBox& getBoundingBox(void); 00106 00110 int getNumFaceGroups(void); 00120 int getFaceGroupStart(void); 00121 00128 bool isLeafVisible(const BspNode* leaf); 00129 00130 friend std::ostream& operator<< (std::ostream& o, BspNode& n); 00131 00132 00133 00134 protected: 00135 BspLevel* mOwner; // Back-reference to containing level 00136 bool mIsLeaf; 00137 00138 // Node-only members 00143 Plane mSplitPlane; 00145 BspNode* mFront; 00147 BspNode* mBack; 00148 00149 // Leaf-only members 00161 int mVisCluster; 00162 00164 AxisAlignedBox mBounds; 00166 int mNumFaceGroups; 00174 int mFaceGroupStart; 00175 00176 }; 00177 00178 00179 } 00180 00181 #endif
Copyright © 2002 by The OGRE Team