nevrax.org : docs

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_QUAD_GRID_CLIP_CLUSTER_H
+00027 #define NL_QUAD_GRID_CLIP_CLUSTER_H
+00028 
+00029 #include "nel/misc/types_nl.h"
+00030 #include "3d/mot.h"
+00031 #include "3d/clip_trav.h"
+00032 #include "nel/misc/aabbox.h"
+00033 
+00034 
+00035 namespace NL3D 
+00036 {
+00037 
+00038 
+00039 // ***************************************************************************
+00040 // ClassIds.
+00041 const NLMISC::CClassId          QuadGridClipClusterId=NLMISC::CClassId(0x31d517aa, 0x2c4357a0);
+00042 
+00043 
+00044 // ***************************************************************************
+00052 class CQuadGridClipCluster : public IModel
+00053 {
+00054 public:
+00056         static  void    registerBasic();
+00057 
+00058         void            extendCluster(const NLMISC::CAABBox &worldBBox);
+00059 
+00060         void            setDistMax(float d) {_DistMax= d;}
+00061 
+00062         // never need to update, so unlink me from ValidateList.
+00063         virtual void update();
+00064 
+00065 protected:
+00067         CQuadGridClipCluster() {_Empty= true; _DistMax= -1;}
+00069         virtual ~CQuadGridClipCluster() {}
+00070 
+00071 private:
+00072         static IModel   *creator() {return new CQuadGridClipCluster;}
+00073         friend class    CQuadGridClipClusterClipObs;
+00074 
+00075         NLMISC::CAABBox         _BBox;
+00076         bool                            _Empty;
+00077         float                           _DistMax;
+00078         float                           _Radius;
+00079 };
+00080 
+00081 
+00082 // ***************************************************************************
+00093 class   CQuadGridClipClusterClipObs : public IBaseClipObs
+00094 {
+00095         bool            _LastClipWasDistMaxClip;
+00096         bool            _LastClipWasFrustumClip;
+00097 
+00098 public:
+00099         CQuadGridClipClusterClipObs();
+00100 
+00101 
+00102         // not used by traverse().
+00103         virtual bool    clip(IBaseClipObs *caller) {return true;}
+00104 
+00105 
+00107 
+00108 
+00109         virtual void    traverse(IObs *caller);
+00111 
+00112         static IObs     *creator() {return new CQuadGridClipClusterClipObs;}
+00113 
+00114 };
+00115 
+00116 
+00117 } // NL3D
+00118 
+00119 
+00120 #endif // NL_QUAD_GRID_CLIP_CLUSTER_H
+00121 
+00122 /* End of quad_grid_clip_cluster.h */
+