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107 lines
3.8 KiB
107 lines
3.8 KiB
/*==LICENSE==* |
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CyanWorlds.com Engine - MMOG client, server and tools |
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Copyright (C) 2011 Cyan Worlds, Inc. |
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This program is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program. If not, see <http://www.gnu.org/licenses/>. |
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Additional permissions under GNU GPL version 3 section 7 |
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If you modify this Program, or any covered work, by linking or |
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combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK, |
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NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent |
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JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK |
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(or a modified version of those libraries), |
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containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA, |
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PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG |
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JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the |
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licensors of this Program grant you additional |
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permission to convey the resulting work. Corresponding Source for a |
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non-source form of such a combination shall include the source code for |
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the parts of OpenSSL and IJG JPEG Library used as well as that of the covered |
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work. |
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You can contact Cyan Worlds, Inc. by email legal@cyan.com |
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or by snail mail at: |
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Cyan Worlds, Inc. |
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14617 N Newport Hwy |
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Mead, WA 99021 |
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*==LICENSE==*/ |
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#ifndef plSpaceTreeMaker_inc |
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#define plSpaceTreeMaker_inc |
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#include "hsBounds.h" |
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#include "hsTemplates.h" |
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#include "hsBitVector.h" |
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class hsRadixSortElem; |
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class plSpaceTree; |
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class plSpacePrepNode |
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{ |
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public: |
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hsBounds3Ext fWorldBounds; |
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Int16 fIndex; |
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Int16 fDataIndex; |
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plSpacePrepNode* fChildren[2]; |
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}; |
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class plSpaceTreeMaker |
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{ |
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protected: |
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hsTArray<plSpacePrepNode*> fLeaves; // input |
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hsRadixSortElem* fSortScratch; |
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hsBitVector fDisabled; |
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plSpacePrepNode* fPrepTree; |
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Int16 fTreeSize; |
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plSpacePrepNode* INewSubRoot(const hsBounds3Ext& bnd); |
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void IFindBigList(hsTArray<plSpacePrepNode*>& nodes, hsScalar length, const hsVector3& axis, hsTArray<plSpacePrepNode*>& giants, hsTArray<plSpacePrepNode*>& strimp); |
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void ISortList(hsTArray<plSpacePrepNode*>& nodes, const hsVector3& axis); |
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void ISplitList(hsTArray<plSpacePrepNode*>& nodes, const hsVector3& axis, hsTArray<plSpacePrepNode*>& lower, hsTArray<plSpacePrepNode*>& upper); |
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hsBounds3Ext IFindDistToCenterAxis(hsTArray<plSpacePrepNode*>& nodes, hsScalar& length, hsVector3& axis); |
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plSpacePrepNode* IMakeFatTreeRecur(hsTArray<plSpacePrepNode*>& nodes); |
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hsBounds3Ext IFindSplitAxis(hsTArray<plSpacePrepNode*>& nodes, hsScalar& length, hsVector3& axis); |
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plSpacePrepNode* IMakeTreeRecur(hsTArray<plSpacePrepNode*>& nodes); |
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void IMakeTree(); |
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plSpaceTree* IMakeEmptyTree(); |
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plSpaceTree* IMakeDegenerateTree(); |
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void IGatherLeavesRecur(plSpacePrepNode* sub, plSpaceTree* tree); |
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void IMakeSpaceTreeRecur(plSpacePrepNode* sub, plSpaceTree* tree, const int targetLevel, int currLevel); |
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plSpaceTree* IMakeSpaceTree(); |
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int ITreeDepth(plSpacePrepNode* subRoot); |
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void IDeleteTreeRecur(plSpacePrepNode* node); |
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public: |
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void Cleanup(); |
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void Reset(); |
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Int32 AddLeaf(const hsBounds3Ext& worldBnd, hsBool disable=false); |
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plSpaceTree* MakeTree(); |
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void TestTree(); // development only - NUKE ME mf horse |
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}; |
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#endif // plSpaceTreeMaker_inc
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