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128 lines
3.8 KiB
C++
128 lines
3.8 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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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 Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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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 Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#ifndef NL_QUAD_GRID_CLIP_MANAGER_H
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#define NL_QUAD_GRID_CLIP_MANAGER_H
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#include "nel/misc/types_nl.h"
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#include "nel/misc/plane.h"
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#include "nel/3d/quad_grid_clip_cluster.h"
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#include <vector>
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#include "nel/3d/fast_ptr_list.h"
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#include "nel/3d/transform.h"
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namespace NL3D
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{
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using NLMISC::CVector;
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using NLMISC::CPlane;
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class CScene;
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class CTransformShape;
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class CClipTrav;
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// ***************************************************************************
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// ClassIds.
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const NLMISC::CClassId QuadGridClipManagerId=NLMISC::CClassId(0x1ffb079a, 0x6c536a96);
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// ***************************************************************************
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/**
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* A quadgrix of QuadGridCluster
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* \author Lionel Berenguier
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* \author Nevrax France
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* \date 2001
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*/
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class CQuadGridClipManager : public CTransform
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{
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public:
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/// Call at the begining of the program, to register the model
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static void registerBasic();
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public:
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/// Constructor
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CQuadGridClipManager();
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~CQuadGridClipManager();
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/** Init the manager.
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* \param clusterSize is the size of a cluster. eg: 160mx160m.
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* \param maxDists eg (100, 500). Intervalls of distance for fast DistMax clip optimisation.
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* there is maxDists.size()+1 clusters created by case of clusterSize*clusterSize. And as so many test.
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* \param radiusMax a square of radiusMax*2 x radiusMax*2 of CQuadGridCluster are ensured to be created.
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*/
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void init(float clusterSize, uint numDist, float maxDist, float radiusMax );
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/// delete clusters from scene, and reset the manager.
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void reset();
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/** create / delete QuadGridClusters around us.
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*/
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void updateClustersFromCamera(const CVector &camPos);
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/** link a model to the best cluster possible, and update the bbox of this cluster.
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* if out of range (no cluster found), don't link to any and return false.
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* NB: pTfmShp->getFirstParent() should be NULL.
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*/
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bool linkModel(CTransformShape *pTfmShp);
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/** output (nlinfo) Stats for Usage of the QuadClip
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*/
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void profile() const;
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/// \name CTransform traverse specialisation. Only clip is special
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// @{
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virtual void traverseHrc() {}
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virtual void traverseClip();
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virtual void traverseAnimDetail() {}
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virtual void traverseLoadBalancing() {}
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virtual void traverseLight() {}
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virtual void traverseRender() {}
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virtual void profileRender() {}
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// @}
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private:
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static CTransform *creator() {return new CQuadGridClipManager;}
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private:
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float _ClusterSize;
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float _RadiusMax;
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float _MaxDist;
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uint _NumDist;
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sint _X, _Y;
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sint _Width, _Height;
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std::vector<CQuadGridClipCluster*> _QuadGridClusterCases;
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// List of not empty QuadGridClusters
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typedef CFastPtrList<CQuadGridClipCluster> TClusterList;
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TClusterList _NotEmptyQuadGridClipClusters;
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void deleteCaseModels(CClipTrav *pClipTrav, sint x, sint y);
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void newCaseModels(CQuadGridClipCluster *&clusterCase, const NLMISC::CAABBox &pivotBbox);
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};
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} // NL3D
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#endif // NL_QUAD_GRID_CLIP_MANAGER_H
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/* End of quad_grid_clip_manager.h */
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