khanat-opennel-code/code/nel/include/nel/3d/quad_grid_clip_manager.h
2013-02-08 13:17:44 +01:00

131 lines
3.7 KiB
C++

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