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00001 
+00007 /* Copyright, 2001 Nevrax Ltd.
+00008  *
+00009  * This file is part of NEVRAX NEL.
+00010  * NEVRAX NEL is free software; you can redistribute it and/or modify
+00011  * it under the terms of the GNU General Public License as published by
+00012  * the Free Software Foundation; either version 2, or (at your option)
+00013  * any later version.
+00014 
+00015  * NEVRAX NEL is distributed in the hope that it will be useful, but
+00016  * WITHOUT ANY WARRANTY; without even the implied warranty of
+00017  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+00018  * General Public License for more details.
+00019 
+00020  * You should have received a copy of the GNU General Public License
+00021  * along with NEVRAX NEL; see the file COPYING. If not, write to the
+00022  * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+00023  * MA 02111-1307, USA.
+00024  */
+00025 
+00026 #ifndef NL_CLUSTER_H
+00027 #define NL_CLUSTER_H
+00028 
+00029 #include "nel/misc/types_nl.h"
+00030 #include "nel/misc/plane.h"
+00031 #include "nel/misc/aabbox.h"
+00032 
+00033 #include "3d/transform.h"
+00034 
+00035 #include <vector>
+00036 
+00037 namespace NLMISC
+00038 {
+00039 class CRGBA;
+00040 class IStream;
+00041 struct EStream;
+00042 }
+00043 
+00044 namespace NL3D {
+00045 
+00046 
+00047 class CPortal;
+00048 class CClusterClipObs;
+00049 class CInstanceGroup;
+00050 
+00051 const NLMISC::CClassId  ClusterId=NLMISC::CClassId(0x13f37e46, 0x3e880780);
+00052 
+00062 class CCluster : public CTransform
+00063 {
+00064 
+00065 public:
+00066 
+00067         static void registerBasic ();
+00068         
+00069 public:
+00070 
+00071         CCluster();
+00072 
+00073         ~CCluster();
+00074 
+00080         bool makeVolume (NLMISC::CVector& p1, NLMISC::CVector& p2, NLMISC::CVector& p3);
+00081         
+00082         
+00084         void applyMatrix(const NLMISC::CMatrix &m);
+00085 
+00089         bool isIn (NLMISC::CVector& p);
+00090 
+00094         bool isIn (NLMISC::CAABBox& b);
+00095 
+00099         bool isIn (NLMISC::CVector& center, float size);
+00100 
+00101         NLMISC::CAABBox& getBBox() { return _BBox; }
+00102         
+00104 
+00105         // reset all links to portals.
+00106         void resetPortalLinks ();
+00107 
+00108         void link (CPortal* portal);
+00109         void unlink (CPortal* portal);
+00110 
+00111         uint32 getNbPortals() {return _Portals.size();}
+00112         CPortal* getPortal(uint32 pos) {return _Portals[pos];}
+00113 
+00114         CClusterClipObs *getClipObs();
+00115 
+00117 
+00118         void serial (NLMISC::IStream& f);
+00119 
+00120         void setWorldMatrix (const NLMISC::CMatrix &WM);
+00121 
+00122         // Moving cluster
+00123         CQuadGrid<CCluster*>::CIterator AccelIt;
+00124 
+00125         // Additionnal properties
+00126         std::string Name;
+00127         bool FatherVisible;
+00128         bool VisibleFromFather;
+00129         CCluster *Father;
+00130         std::vector<CCluster*> Children;
+00131         CInstanceGroup *Group;
+00132 
+00133         bool isRoot() { return _LocalVolume.size() == 0; }
+00134 
+00135         
+00136 private:
+00137 
+00138         static IModel *creator () {return new CCluster;}
+00139 
+00140 private:
+00141 
+00143         CClusterClipObs *_Obs;
+00144 
+00146         std::vector<CPortal*>   _Portals;
+00147 
+00151         NLMISC::CAABBox _LocalBBox;
+00153         std::vector<NLMISC::CPlane> _LocalVolume;
+00154 
+00157         NLMISC::CAABBox _BBox;
+00159         std::vector<NLMISC::CPlane> _Volume;
+00160 private:
+00161         // This unlink this cluster from its sons and its parents
+00162         void    unlinkFromClusterTree();
+00163         //              unlink this cluster from its parent
+00164         void    unlinkFromParent();
+00165         //              unlink this cluster sons
+00166         void    unlinkSons();
+00167 
+00168 
+00170         friend class CInstanceGroup;
+00171 };
+00172 
+00180 class CClusterHrcObs : public CTransformHrcObs
+00181 {
+00182 
+00183 public:
+00184 
+00185         virtual void traverse (IObs *caller);
+00186 
+00187         static IObs     *creator () {return new CClusterHrcObs;}
+00188 
+00190         friend class CCluster;
+00191 };
+00192 
+00200 class CClusterClipObs : public IBaseClipObs
+00201 {
+00202 
+00203 public:
+00204         CClusterClipObs();
+00205         
+00207         virtual bool clip (IBaseClipObs *caller);
+00208 
+00210         virtual void traverse (IObs *caller);
+00211 
+00212 private:
+00213 
+00214         bool Visited;
+00215 
+00216 private:
+00217 
+00218         static IObs *creator () {return new CClusterClipObs;}
+00219 
+00221         friend class CCluster;
+00222 };
+00223 
+00224 
+00225 } // NL3D
+00226 
+00227 
+00228 #endif // NL_CLUSTER_H
+00229 
+00230 /* End of cluster.h */
+